/* ==========================================================================
   Calcula.io — Production Stylesheet
   Organized: Reset > Variables > Typography > Layout > Navigation > Hero >
   Cards & Surfaces > Forms & Inputs > Calculator > Sections > Footer >
   Announcement Banner > AdSense > Blog > Utility > Animations > Responsive
   ========================================================================== */


/* ==========================================================================
   1. RESET & BASE
   ========================================================================== */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image:
        linear-gradient(var(--bg-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-grid-line) 1px, transparent 1px),
        radial-gradient(ellipse 110% 58% at 50% -14%, var(--bg-glow-top) 0%, transparent 56%),
        radial-gradient(ellipse 52% 42% at 98% 4%, var(--bg-glow-corner) 0%, transparent 52%);
    background-size:
        var(--bg-grid-size) var(--bg-grid-size),
        var(--bg-grid-size) var(--bg-grid-size),
        auto,
        auto;
    background-position: 0 0, 0 0, center top, top right;
    background-attachment: fixed;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

button {
    font-family: var(--font-sans);
}

img {
    max-width: 100%;
    height: auto;
}

.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 99999;
    padding: 0.5rem 1rem;
    background: var(--accent-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    left: 0.5rem;
    top: 0.5rem;
}


/* ==========================================================================
   2. CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    color-scheme: dark;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Outfit', var(--font-sans);
    --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Menlo, Consolas, monospace;

    --bg-page: #05080f;
    --bg-surface: #0a0f1a;
    --bg-surface-glass: rgba(10, 15, 26, 0.88);
    --bg-surface-alt: #0f1624;
    --bg-input: #080c16;
    --bg-secondary: rgba(30, 41, 59, 0.55);
    --bg-tertiary: rgba(15, 23, 42, 0.88);

    --bg-grid-line: rgba(147, 197, 253, 0.038);
    --bg-grid-size: 44px;
    --bg-glow-top: rgba(59, 130, 246, 0.085);
    --bg-glow-corner: rgba(99, 102, 241, 0.055);

    --border-color: rgba(148, 163, 184, 0.1);
    --border-strong: rgba(148, 163, 184, 0.2);
    --border-glass: rgba(255, 255, 255, 0.04);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-on-accent: #f8fafc;
    --text-accent: #93c5fd;

    --accent-primary: #3b82f6;
    --accent-secondary: #6366f1;
    --accent-tertiary: #38bdf8;

    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 38%, #6366f1 72%, #0ea5e9 100%);
    --gradient-primary: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(99, 102, 241, 0.12));
    --accent-glow: 0 0 88px -22px rgba(59, 130, 246, 0.38);

    --success-color: #4ade80;
    --warning-color: #fbbf24;
    --error-color: #fb7185;

    --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 16px 40px -12px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 24px 48px -16px rgba(0, 0, 0, 0.65);
    --shadow-2xl: 0 32px 64px -20px rgba(0, 0, 0, 0.7);
    --shadow-soft: 0 8px 30px -10px rgba(0, 0, 0, 0.45);
    --shadow-hard: 0 12px 40px -14px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 32px rgba(59, 130, 246, 0.14);

    --radius-box: 12px;
    --radius-sm: var(--radius-box);
    --radius-md: var(--radius-box);
    --radius-lg: var(--radius-box);
    --radius-xl: var(--radius-box);

    --profit-pill-bg: color-mix(in srgb, var(--success-color) 12%, transparent);
    --loss-pill-bg: color-mix(in srgb, var(--error-color) 12%, transparent);
    --chart-grid-line: color-mix(in srgb, var(--text-muted) 14%, transparent);
    --chart-cost-fill: color-mix(in srgb, var(--text-muted) 50%, transparent);
    --chart-cost-border: color-mix(in srgb, var(--text-muted) 45%, transparent);
    --chart-profit-fill: color-mix(in srgb, var(--accent-primary) 78%, transparent);
    --chart-loss-fill: color-mix(in srgb, var(--error-color) 78%, transparent);

    --content-max: min(92vw, 1180px);
    --glass-blur: blur(20px);
}

/* ---------- Light Theme ---------- */

[data-theme="light"] {
    color-scheme: light;

    --bg-page: #f4f7fc;
    --bg-surface: #ffffff;
    --bg-surface-glass: rgba(255, 255, 255, 0.94);
    --bg-surface-alt: #eef2f9;
    --bg-input: #ffffff;
    --bg-secondary: #e8eef7;
    --bg-tertiary: #dfe7f3;

    --bg-grid-line: rgba(37, 99, 235, 0.055);
    --bg-glow-top: rgba(59, 130, 246, 0.1);
    --bg-glow-corner: rgba(79, 70, 229, 0.06);

    --border-color: rgba(30, 58, 138, 0.12);
    --border-strong: rgba(30, 58, 138, 0.22);
    --border-glass: rgba(255, 255, 255, 0.82);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-on-accent: #ffffff;
    --text-accent: #2563eb;

    --accent-primary: #2563eb;
    --accent-secondary: #4f46e5;
    --accent-gradient: linear-gradient(135deg, #1d4ed8 0%, #2563eb 45%, #4f46e5 100%);
    --gradient-primary: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(79, 70, 229, 0.08));
    --accent-glow: 0 16px 48px -16px rgba(37, 99, 235, 0.22);
    --accent-tertiary: #0284c7;
    --success-color: #16a34a;
    --warning-color: #ca8a04;
    --error-color: #dc2626;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 24px -6px rgba(15, 23, 42, 0.1);
    --shadow-xl: 0 20px 40px -10px rgba(15, 23, 42, 0.12);
    --shadow-2xl: 0 28px 56px -14px rgba(15, 23, 42, 0.14);
    --shadow-soft: 0 4px 16px -4px rgba(15, 23, 42, 0.06);
    --shadow-hard: 0 10px 32px -8px rgba(15, 23, 42, 0.1);
    --shadow-glow: 0 0 24px rgba(37, 99, 235, 0.12);
}

[data-theme="light"] body {
    background-color: var(--bg-page);
    background-image:
        linear-gradient(var(--bg-grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-grid-line) 1px, transparent 1px),
        radial-gradient(120% 82% at 50% -6%, var(--bg-glow-top) 0%, transparent 52%),
        radial-gradient(ellipse 55% 45% at 100% 0%, var(--bg-glow-corner) 0%, transparent 50%);
    background-size:
        var(--bg-grid-size) var(--bg-grid-size),
        var(--bg-grid-size) var(--bg-grid-size),
        auto,
        auto;
    background-position: 0 0, 0 0, center top, top right;
    background-attachment: fixed;
}


/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

label {
    display: block;
    margin-bottom: 0.55rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.label-tech {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.label-tech small {
    opacity: 0.7;
    font-size: 0.7rem;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.helper-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.logo-part {
    color: var(--text-accent);
}

[data-theme="light"] .label-tech {
    color: var(--text-secondary);
}


/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

main {
    width: 100%;
    max-width: 100%;
    padding: 0 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

main > section,
main > article,
main > div:not(.hero) {
    width: var(--content-max);
    margin-left: auto;
    margin-right: auto;
}

.section-shell {
    width: var(--content-max);
    margin-left: auto;
    margin-right: auto;
}

.section-shell + .section-shell {
    margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-shell {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 0 2rem;
}

.layout-main {
    width: 100%;
    max-width: var(--content-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: clamp(0.75rem, 2vw, 1.25rem);
    padding-right: clamp(0.75rem, 2vw, 1.25rem);
}

.text-center {
    text-align: center;
}

.grid {
    display: grid;
    gap: 1.75rem;
}

.row {
    display: flex;
    gap: 1.5rem;
}


/* ==========================================================================
   5. NAVIGATION & HEADER
   ========================================================================== */

header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: color-mix(in srgb, var(--bg-page) 88%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}

nav {
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0.75rem clamp(0.75rem, 2vw, 1.25rem);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav::before {
    display: none;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.logo-label {
    font-weight: 700;
}

.footer-logo {
    font-size: 1.1rem;
}

.nav-spacer {
    flex: 1;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

nav a:hover,
nav a.active {
    color: var(--text-primary);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.65rem;
    min-height: 1.65rem;
    padding: 0.15rem;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: color 0.15s ease;
}

.theme-toggle:hover {
    color: var(--text-accent);
}

.theme-toggle:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.theme-icon {
    font-size: 0.92rem;
    line-height: 1;
}

[data-theme="light"] header {
    background: color-mix(in srgb, var(--bg-page) 92%, transparent);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 12px 32px -28px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] nav {
    justify-content: space-between;
}

[data-theme="light"] .logo {
    background: transparent;
    border: none;
    box-shadow: none;
}

[data-theme="light"] .theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-primary);
}


/* ==========================================================================
   6. HERO SECTIONS
   ========================================================================== */

.hero {
    width: var(--content-max);
    margin: 1rem auto 2rem;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-glass);
    background: var(--bg-surface-glass);
    backdrop-filter: blur(40px);
    box-shadow: var(--shadow-2xl);
}

main.layout-main > section.hero:has(+ section#quick-profit) {
    margin-bottom: 0.6rem;
}

main.layout-main > section.hero + section#quick-profit.glass-panel {
    margin-top: 0.25rem;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    z-index: -1;
}

.hero::before {
    background: var(--accent-primary);
    top: -200px;
    right: -100px;
    opacity: 0.12;
}

.hero::after {
    background: var(--accent-secondary);
    bottom: -200px;
    left: -100px;
    opacity: 0.1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    line-height: 1.08;
    margin-bottom: 1.5rem;
    background: linear-gradient(105deg, #f8fafc 0%, #cbd5e1 36%, #93c5fd 78%, #38bdf8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-lede {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.hero-pill {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: var(--radius-sm);
    color: var(--text-accent);
    margin-bottom: 1rem;
    text-align: center;
}

.hero-aside-highlights .hero-pill {
    margin-bottom: 0;
}

.hero-badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.14), rgba(99, 102, 241, 0.12));
    border: 1px solid rgba(59, 130, 246, 0.28);
    color: var(--text-accent);
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    display: inline-block;
    margin: 0 auto 1rem;
}

.hero-badge-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.hero-intro {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
}

.hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
}

.hero-copy h1 {
    text-align: center;
    margin: 1.5rem auto 1rem;
    width: 100%;
}

.hero-copy p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin: 0 auto;
    max-width: 640px;
    text-align: center;
    animation: fadeUp 0.6s ease both;
}

.hero-copy .action-links {
    margin: 1.5rem auto 0;
    max-width: 540px;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.hero-intro--split .hero-copy .action-links {
    justify-content: flex-start;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
    max-width: none;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.hero-actions--inline {
    margin-top: 1.75rem;
}

.hero-intro .hero-actions {
    justify-content: center;
}

.hero-toolbar-panel {
    margin-top: clamp(1.35rem, 3.2vw, 2rem);
    width: 100%;
    max-width: min(100%, 36rem);
    padding: 1rem 1.15rem 1.1rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(8, 12, 24, 0.48);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .hero-toolbar-panel {
    background: rgba(255, 255, 255, 0.62);
    border-color: rgba(148, 163, 184, 0.28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.hero-toolbar-heading {
    margin: 0 0 0.75rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    line-height: 1.35;
}

.hero-toolbar-panel .hero-toolbar {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    max-width: none;
}

.hero-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: center;
    gap: 1rem 1.25rem;
    width: 100%;
    max-width: 36rem;
    margin-top: 0.5rem;
    padding-top: 1.35rem;
    border-top: 1px solid rgba(148, 163, 184, 0.22);
}

.hero-toolbar__refresh {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    flex-shrink: 0;
}

.hero-toolbar__refresh-icon {
    display: inline-block;
    font-size: 1.05em;
    line-height: 1;
}

.hero-toolbar .currency-picker {
    flex: 1 1 12rem;
    min-width: min(100%, 11rem);
    max-width: 20rem;
    margin: 0;
}

.hero-toolbar-panel .hero-toolbar__refresh {
    padding: 0.62rem 1.35rem;
    font-size: 0.92rem;
}

.hero-toolbar-panel .currency-picker {
    padding: 0.5rem 0.85rem;
    gap: 0.55rem;
}

.hero-toolbar-panel .currency-picker .calculator-select {
    min-width: 7.5rem;
    padding: 0.55rem 1rem;
}

@media (min-width: 520px) {
    .hero-toolbar-panel .hero-toolbar {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
        align-items: end;
        column-gap: 1.15rem;
        row-gap: 0.75rem;
    }

    .hero-toolbar-panel .hero-toolbar .currency-picker {
        justify-self: end;
        max-width: 17.5rem;
        width: 100%;
    }
}

@media (min-width: 960px) {
    .hero-intro--split .hero-toolbar-panel {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-intro--split .hero-toolbar-panel .hero-toolbar-heading {
        text-align: center;
    }

    .hero-intro--split .hero-toolbar {
        justify-content: center;
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-intro--split .hero-toolbar-panel .hero-toolbar {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: flex-end;
        gap: 1rem 1.25rem;
    }

    .hero-intro--split .hero-toolbar .currency-picker {
        max-width: 17.5rem;
    }

    .hero-intro--split .hero-toolbar-panel .hero-toolbar .currency-picker {
        max-width: 17.5rem;
        justify-self: center;
    }
}

@media (max-width: 520px) {
    .hero-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.85rem;
    }

    .hero-toolbar .currency-picker {
        max-width: none;
    }
}

.hero-selector {
    margin-top: clamp(3.4rem, 5vw, 4.6rem);
    max-width: 520px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-selector label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.hero-selector .surface {
    padding: 1.3rem 1.5rem;
    background: rgba(9, 14, 30, 0.72);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(99, 102, 241, 0.24);
    box-shadow: 0 20px 45px -35px rgba(96, 165, 250, 0.45);
    width: 100%;
    display: flex;
    justify-content: center;
}

.hero-selector--inline {
    margin: 0 auto;
    margin-top: clamp(1.2rem, 3vw, 2rem);
    max-width: 420px;
    width: 100%;
    justify-content: center;
    text-align: center;
    align-items: center;
}

.hero-selector--inline label {
    justify-content: center;
    text-align: center;
}

.hero-selector--inline .surface {
    padding: 1rem 1.2rem;
}

.hero-intro--split {
    width: 100%;
}

.hero-aside-panel {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1.1rem;
    width: 100%;
    max-width: min(28rem, 100%);
    margin-left: auto;
    margin-right: auto;
}

.hero-aside-highlights {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.hero-aside-highlights__title {
    margin: 0;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    line-height: 1.35;
    text-align: center;
}

.hero-aside-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem 0.55rem;
}

.hero-aside-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    min-width: 0;
    padding: 0.7rem 0.45rem;
    text-align: center;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.hero-aside-stat__value {
    font-size: 1.4rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    line-height: 1.05;
    color: var(--accent-primary);
    letter-spacing: -0.02em;
}

.hero-aside-stat__value--text {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.hero-aside-stat__label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.25;
}

.hero-aside-panel .hero-selector--inline {
    max-width: 100%;
    width: 100%;
    margin-top: 0.15rem;
}

.hero-aside-panel .hero-selector--inline label {
    font-size: 0.68rem;
    letter-spacing: 0.12em;
}

.hero-aside-panel .hero-selector--inline .surface {
    padding: 0.55rem 0.75rem;
}

.hero-aside-panel .hero-selector--inline .calculator-select {
    padding: 0.52rem 1.85rem 0.52rem 0.75rem;
    font-size: 0.875rem;
    background-position: right 0.55rem center;
    background-size: 0.82rem;
}

.hero-trust-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 0.65rem;
    min-width: 0;
}

.hero-trust-label {
    flex: 1 0 100%;
    text-align: center;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    line-height: 1.3;
}

@media (min-width: 480px) {
    .hero-trust-label {
        white-space: nowrap;
    }
}

@media (min-width: 960px) {
    .hero-intro--split {
        display: grid;
        grid-template-columns: minmax(0, min(100%, 36rem)) minmax(320px, min(32rem, 100%));
        gap: clamp(1.5rem, 3.5vw, 2.75rem);
        align-items: center;
        justify-content: center;
    }

    .hero-intro--split .hero-copy {
        align-items: flex-start;
        text-align: left;
        max-width: none;
        gap: 0.35rem;
        padding: 0.35rem clamp(0.85rem, 2.2vw, 1.35rem) 0.85rem clamp(0.35rem, 1.5vw, 1rem);
        box-sizing: border-box;
    }

    .hero-intro--split .hero-copy h1 {
        text-align: left;
        margin: 0.35rem 0 0.5rem;
        text-wrap: balance;
        max-width: 22ch;
        line-height: 1.06;
    }

    .hero-intro--split .hero-copy p {
        text-align: left;
        margin: 0 0 0.25rem;
        max-width: 36rem;
    }

    .hero-intro--split .hero-copy .action-links {
        justify-content: flex-start;
        margin-top: 1.05rem;
    }

    .hero-intro--split .hero-aside-panel {
        max-width: 100%;
        width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding: 1.35rem 1.4rem 1.45rem;
        border-radius: var(--radius-xl);
        border: 1px solid rgba(148, 163, 184, 0.2);
        background: rgba(8, 12, 24, 0.42);
        box-shadow: 0 24px 48px -38px rgba(0, 0, 0, 0.65);
    }

    [data-theme="light"] .hero-intro--split .hero-aside-panel {
        background: rgba(255, 255, 255, 0.55);
        border-color: rgba(148, 163, 184, 0.28);
        box-shadow: 0 20px 44px -36px rgba(14, 116, 144, 0.2);
    }

    .hero-intro--split .hero-aside-panel .hero-widget {
        padding: 1.75rem 1.6rem;
        gap: 1.4rem;
    }

    .hero-intro--split .hero-aside-panel .widget-header {
        padding-bottom: 0.85rem;
    }

    .hero-intro--split .hero-aside-panel .widget-label {
        font-size: 0.78rem;
    }

    .hero-intro--split .hero-aside-panel .widget-status {
        font-size: 0.65rem;
    }

    .hero-intro--split .hero-aside-panel .input-minimal label {
        font-size: 0.65rem;
    }

    .hero-intro--split .hero-aside-panel .input-minimal input {
        padding: 0.75rem 0.95rem;
        font-size: 1.02rem;
    }

    .hero-intro--split .hero-aside-panel .widget-btn {
        padding: 0.88rem;
        font-size: 0.88rem;
    }

    .hero-intro--split .hero-aside-highlights .hero-pill {
        text-align: center;
        align-self: center;
    }

    .hero-intro--split .hero-aside-stats {
        gap: 0.55rem 0.65rem;
    }

    .hero-intro--split .hero-aside-stat {
        padding: 0.8rem 0.5rem;
    }

    .hero-intro--split .hero-aside-stat__value {
        font-size: 1.55rem;
    }

    .hero-intro--split .hero-aside-stat__value--text {
        font-size: 1.12rem;
    }

    .hero-intro--split .hero-aside-stat__label {
        font-size: 0.72rem;
    }

    .hero-intro--split .hero-selector--inline {
        margin-top: 0.25rem;
        align-items: stretch;
    }

    .hero-intro--split .hero-selector--inline label {
        justify-content: flex-start;
        text-align: left;
    }
}

[data-theme="light"] .hero h1 {
    background: linear-gradient(105deg, #0f172a 0%, #334155 42%, #2563eb 88%, #0284c7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="light"] .hero {
    background: radial-gradient(120% 120% at 85% -10%, rgba(59, 130, 246, 0.14) 0%, transparent 55%),
                radial-gradient(120% 120% at -5% 110%, rgba(37, 99, 235, 0.1) 0%, transparent 58%),
                linear-gradient(140deg, rgba(248, 250, 252, 0.98) 0%, rgba(241, 245, 249, 0.98) 50%, rgba(239, 246, 255, 0.99) 100%);
    border: 1px solid rgba(59, 130, 246, 0.18);
    box-shadow: 0 35px 70px -50px rgba(37, 99, 235, 0.18);
}

[data-theme="light"] .hero::before,
[data-theme="light"] .hero::after {
    filter: saturate(1.1);
}

[data-theme="light"] .hero-note {
    background: rgba(239, 246, 255, 0.92);
    border: 1px solid rgba(59, 130, 246, 0.22);
    color: rgba(29, 78, 216, 0.92);
}

[data-theme="light"] .hero-selector .surface {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(59, 130, 246, 0.16);
    box-shadow: 0 22px 50px -40px rgba(37, 99, 235, 0.14);
}

[data-theme="light"] .hero-selector--inline .surface {
    background: rgba(255, 255, 255, 0.95);
}


/* ==========================================================================
   7. BUTTONS
   ========================================================================== */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-on-accent);
    background: var(--accent-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 0 15px rgba(59, 130, 246, 0.4);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.cta-button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    background: var(--accent-secondary);
    box-shadow: 0 8px 12px -1px rgba(0, 0, 0, 0.3), 0 0 25px rgba(59, 130, 246, 0.45);
}

.cta-button:hover::after {
    opacity: 1;
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button span {
    font-size: 1.2rem;
    opacity: 0.8;
}

.cta-button.secondary {
    background: transparent;
    color: var(--accent-secondary);
    border: 1px solid transparent;
    box-shadow: none;
}

.cta-button.secondary::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(14, 165, 233, 0.9));
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
}

.cta-button.secondary:hover {
    border-color: transparent;
    box-shadow: 0 16px 35px -25px rgba(85, 240, 255, 0.6);
    color: var(--text-primary);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(79, 70, 229, 0.18));
}

.cta-button-full {
    width: 100%;
    margin-top: 1rem;
}

[data-theme="light"] .cta-button {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.96), rgba(96, 165, 250, 0.92), rgba(14, 165, 233, 0.92));
    color: rgba(7, 16, 38, 0.92);
    box-shadow: 0 24px 60px -32px rgba(59, 130, 246, 0.35);
}

[data-theme="light"] .cta-button.secondary {
    background: rgba(237, 242, 255, 0.9);
    border: 1px solid rgba(79, 70, 229, 0.28);
    color: rgba(30, 64, 175, 0.95);
    box-shadow: 0 12px 30px -24px rgba(59, 130, 246, 0.2);
}

[data-theme="light"] .cta-button.secondary:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(96, 165, 250, 0.16));
    color: rgba(18, 28, 56, 0.95);
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.cta-row .cta-button.secondary {
    border: 1px solid rgba(99, 102, 241, 0.45);
    background: transparent;
}

.cta-row .cta-button.secondary:hover {
    border-color: rgba(85, 240, 255, 0.6);
}


/* ==========================================================================
   8. CARDS & SURFACES
   ========================================================================== */

.surface {
    backdrop-filter: blur(24px);
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.glass-panel {
    margin-top: 1rem;
    padding: 2rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(140deg, rgba(6, 12, 28, 0.92), rgba(3, 7, 18, 0.94));
    border: 1px solid rgba(71, 126, 210, 0.35);
    box-shadow: 0 30px 70px -45px rgba(4, 10, 28, 0.9);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 18% 22%, rgba(96, 196, 255, 0.12), transparent 60%),
                radial-gradient(circle at 78% 65%, rgba(59, 130, 246, 0.15), transparent 65%);
    opacity: 0.85;
    pointer-events: none;
}

.glass-panel h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: 1.25rem;
}

.glass-panel p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 760px;
}

.glass-panel.centered {
    text-align: center;
}

.glass-panel.centered > div:first-child {
    margin-bottom: 1.5rem;
}

.glass-panel.centered h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-panel.centered > p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="light"] .glass-panel {
    background: linear-gradient(150deg, rgba(251, 252, 255, 0.96), rgba(244, 247, 255, 0.98));
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 32px 60px -48px rgba(14, 116, 144, 0.25);
}

[data-theme="light"] .glass-panel::before {
    opacity: 0.35;
}

.card {
    position: relative;
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(155deg, rgba(20, 24, 32, 0.95), rgba(12, 14, 20, 0.92));
    border: 1px solid color-mix(in srgb, var(--accent-primary) 22%, transparent);
    box-shadow: var(--shadow-hard);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--accent-primary) 45%, transparent);
    box-shadow: 0 28px 56px -36px color-mix(in srgb, var(--accent-primary) 35%, transparent);
}

.card a.cta-button {
    justify-content: center;
    width: 100%;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.75rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.3;
}

.card-copy {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

[data-theme="light"] .card {
    background: var(--bg-surface);
    border-color: color-mix(in srgb, var(--accent-primary) 20%, var(--border-color));
    box-shadow: var(--shadow-lg);
}

.feature-card {
    position: relative;
    padding: 2.1rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(140deg, rgba(16, 22, 45, 0.95), rgba(7, 10, 28, 0.92));
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-hard);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.feature-card::before {
    content: "";
    position: absolute;
    inset: -40% -20% auto -20%;
    height: 65%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(85, 240, 255, 0.42);
    box-shadow: 0 28px 60px -35px rgba(85, 240, 255, 0.55);
}

.feature-card:hover::before {
    opacity: 1;
    transform: translateY(-8%);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.feature-card a {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--accent-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.8rem;
}

.feature-card a::after {
    content: "\2197";
    font-size: 0.9rem;
}

[data-theme="light"] .feature-card {
    background: linear-gradient(140deg, rgba(250, 251, 255, 0.95), rgba(244, 247, 255, 0.96));
    border-color: rgba(59, 130, 246, 0.15);
    box-shadow: 0 20px 40px -25px rgba(59, 130, 246, 0.15);
}

[data-theme="light"] .feature-card:hover {
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow: 0 28px 50px -30px rgba(14, 165, 233, 0.25);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

.feature-grid-inner {
    display: grid;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.feature-card-inner {
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.feature-card-inner h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card-inner h3 span {
    color: var(--accent-secondary);
}

.feature-card-inner p {
    margin: 0;
    color: var(--text-secondary);
}

.feature-card-accent {
    padding: 2rem;
    border: 1px solid rgba(14, 165, 233, 0.4);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(10, 20, 40, 0.6), rgba(14, 165, 233, 0.05));
}

.feature-card-accent h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.feature-card-accent p {
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 0;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.12));
    border: 1px solid rgba(99, 102, 241, 0.35);
    color: var(--text-accent);
    box-shadow: 0 2px 8px -2px rgba(59, 130, 246, 0.22);
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.badge:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(99, 102, 241, 0.18));
    border-color: rgba(59, 130, 246, 0.45);
    box-shadow: 0 4px 12px -3px rgba(59, 130, 246, 0.28);
    transform: translateY(-1px);
}

.badge--success {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.14), rgba(34, 197, 94, 0.1));
    border-color: rgba(74, 222, 128, 0.38);
    color: var(--success-color);
    box-shadow: 0 2px 8px -2px rgba(74, 222, 128, 0.2);
}

.badge--warning {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.1));
    border-color: rgba(251, 191, 36, 0.4);
    color: var(--warning-color);
    box-shadow: 0 2px 8px -2px rgba(251, 191, 36, 0.22);
}

.badge--primary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(96, 165, 250, 0.12));
    border-color: rgba(96, 165, 250, 0.45);
    color: #93c5fd;
    box-shadow: 0 2px 8px -2px rgba(96, 165, 250, 0.3);
}

[data-theme="light"] .badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(99, 102, 241, 0.06));
    border-color: rgba(59, 130, 246, 0.25);
    color: var(--text-accent);
    box-shadow: 0 2px 6px -2px rgba(59, 130, 246, 0.15);
}

[data-theme="light"] .badge:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(99, 102, 241, 0.1));
    border-color: rgba(59, 130, 246, 0.35);
}

.stat-board {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
}

.stat-card {
    position: relative;
    padding: 1.35rem 1.25rem;
    border-radius: var(--radius-md);
    background: linear-gradient(150deg, rgba(12, 18, 36, 0.9), rgba(10, 16, 32, 0.95));
    border: 1px solid rgba(99, 102, 241, 0.28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stat-card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, rgba(59, 130, 246, 0.35), rgba(56, 189, 248, 0.22), rgba(99, 102, 241, 0.22));
    mask: linear-gradient(#fff, #fff) content-box, linear-gradient(#fff, #fff);
    -webkit-mask: linear-gradient(#fff, #fff) content-box, linear-gradient(#fff, #fff);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
}

.stat-card strong {
    display: block;
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.3rem;
}

.stat-card span {
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

[data-theme="light"] .stat-card {
    background: linear-gradient(150deg, rgba(248, 250, 255, 0.95), rgba(242, 246, 255, 0.98));
    border-color: rgba(59, 130, 246, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .stat-card::after {
    opacity: 0.5;
}

[data-theme="light"] .metric-card {
    background: linear-gradient(140deg, rgba(248, 250, 255, 0.96), rgba(241, 245, 255, 0.99));
    border-color: rgba(59, 130, 246, 0.16);
    box-shadow: var(--shadow-soft);
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.4rem;
}

.metric-card {
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(140deg, rgba(10, 16, 34, 0.85), rgba(7, 12, 32, 0.85));
    border: 1px solid rgba(99, 102, 241, 0.18);
    box-shadow: var(--shadow-soft);
}

.metric-card strong {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--accent-secondary);
}

.metric-card span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.notice {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(99, 102, 241, 0.2);
    background: rgba(12, 20, 44, 0.55);
    color: var(--text-secondary);
    line-height: 1.7;
}

.notice strong {
    color: var(--text-primary);
}

.notice.alert {
    border-color: rgba(255, 111, 145, 0.45);
    background: rgba(255, 111, 145, 0.12);
    color: var(--text-primary);
}

.notice-centered {
    margin-top: 2rem;
    text-align: center;
}

.notice-centered a {
    color: var(--accent-primary);
}

[data-theme="light"] .notice {
    background: rgba(252, 253, 255, 0.95);
    border-color: rgba(30, 64, 175, 0.18);
    box-shadow: 0 24px 50px -40px rgba(79, 70, 229, 0.24);
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 2.5rem 0 0;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.14);
    border: 1px solid rgba(99, 102, 241, 0.24);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.pill:hover {
    transform: translateY(-2px);
    border-color: rgba(85, 240, 255, 0.55);
    background: rgba(85, 240, 255, 0.18);
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.chip {
    padding: 0.45rem 0.95rem;
    border-radius: var(--radius-sm);
    background: rgba(13, 25, 52, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.24);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.blurred-accent {
    position: absolute;
    filter: blur(35px);
    opacity: 0.8;
    z-index: 0;
}

[data-theme="light"] .floating-card {
    background: rgba(250, 251, 255, 0.92);
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 24px 48px -36px rgba(79, 70, 229, 0.2);
}

[data-theme="light"] .floating-card::after {
    border: 1px dashed rgba(59, 130, 246, 0.18);
}


/* ==========================================================================
   9. FORMS & INPUTS
   ========================================================================== */

input,
textarea,
select {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(148, 178, 220, 0.35);
    background: rgba(15, 21, 36, 0.85);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
    border-color: rgba(85, 240, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(85, 240, 255, 0.2);
    outline: none;
    transform: translateY(-1px);
}

input::placeholder,
textarea::placeholder {
    color: rgba(230, 240, 255, 0.7);
}

[data-theme="light"] input,
[data-theme="light"] textarea,
[data-theme="light"] select {
    border: 1px solid rgba(148, 178, 255, 0.3);
    background: linear-gradient(136deg, rgba(190, 214, 255, 0.28), rgba(156, 210, 255, 0.22)), rgba(247, 249, 255, 0.92);
    color: rgba(30, 48, 82, 0.88);
}

[data-theme="light"] input::placeholder,
[data-theme="light"] textarea::placeholder {
    color: rgba(60, 86, 128, 0.55);
}

.input-tech {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    background: rgba(10, 15, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.input-tech:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(15, 20, 40, 0.7);
}

.input-tech:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(10, 15, 30, 0.9);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15), inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .input-tech {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(148, 178, 255, 0.4);
    color: var(--text-primary);
    box-shadow: inset 0 2px 4px rgba(148, 178, 255, 0.1);
}

[data-theme="light"] .input-tech:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(14, 165, 233, 0.5);
}

[data-theme="light"] .input-tech:focus {
    background: #fff;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1), inset 0 1px 2px rgba(148, 178, 255, 0.1);
}

.input-group-addon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-addon-right {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.35rem 0.65rem;
    background: rgba(85, 240, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--accent-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    pointer-events: none;
}

[data-theme="light"] .input-addon-right {
    background: rgba(14, 165, 233, 0.1);
    color: var(--accent-primary);
}

.calculator-select {
    width: 100%;
    padding: 1rem 3rem 1rem 1.4rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background-color: var(--bg-input);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2360a5fa' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.1rem center;
    background-size: 1rem;
    color: var(--text-primary);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.calculator-select:hover,
.calculator-select:focus {
    border-color: color-mix(in srgb, var(--accent-primary) 55%, transparent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 18%, transparent);
    outline: none;
}

.calculator-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 1rem;
}

.calculator-select::-ms-expand {
    display: none;
}

[data-theme="light"] .calculator-select {
    border: 1px solid var(--border-strong);
    background-color: var(--bg-input);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%232563eb' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.1rem center;
    background-size: 1rem;
    color: var(--text-primary);
}

[data-theme="light"] .calculator-select option {
    background: #fff;
    color: rgba(33, 48, 78, 0.88);
}

.form-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.form-grid-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1rem;
}

.contact-form {
    max-width: 640px;
    margin: 2rem auto 0;
    padding: clamp(1.5rem, 3vw, 2.25rem);
    border-radius: var(--radius-xl);
    background: linear-gradient(140deg, rgba(6, 12, 28, 0.92), rgba(3, 7, 18, 0.94));
    border: 1px solid rgba(71, 126, 210, 0.35);
    box-shadow: 0 30px 70px -45px rgba(4, 10, 28, 0.9);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 18% 22%, rgba(96, 196, 255, 0.1), transparent 60%),
                radial-gradient(circle at 78% 65%, rgba(59, 130, 246, 0.12), transparent 65%);
    opacity: 0.85;
    pointer-events: none;
}

.contact-form > * {
    position: relative;
    z-index: 1;
}

[data-theme="light"] .contact-form {
    background: linear-gradient(150deg, rgba(251, 252, 255, 0.96), rgba(244, 247, 255, 0.98));
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 32px 60px -48px rgba(14, 116, 144, 0.25);
}

[data-theme="light"] .contact-form::before {
    opacity: 0.35;
}

.contact-form .form-group {
    margin-bottom: 1.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.contact-form .form-group:last-of-type {
    margin-bottom: 1.5rem;
}

.contact-form .label-tech {
    margin-bottom: 0;
    font-size: 0.8125rem;
    letter-spacing: 0.09em;
    color: color-mix(in srgb, var(--text-secondary) 92%, var(--text-primary) 8%);
}

.contact-form small {
    margin-top: 0.5rem;
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-hint {
    color: var(--text-muted);
    margin-top: 0.5rem;
    display: block;
}

.form-status {
    margin-top: 1.25rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-status.success {
    background: rgba(70, 245, 199, 0.12);
    border: 1px solid rgba(70, 245, 199, 0.35);
    color: var(--success-color);
}

.form-status.error {
    background: rgba(255, 111, 145, 0.12);
    border: 1px solid rgba(255, 111, 145, 0.35);
    color: var(--error-color);
}

.currency-picker {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-input);
}

.currency-picker label {
    display: inline-block;
    margin: 0;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.currency-picker .calculator-select {
    min-width: 140px;
    padding: 0.75rem 1.2rem;
}


/* ==========================================================================
   10. CALCULATOR PANELS & TABS
   ========================================================================== */

.calculator-container {
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
    margin-left: auto;
    margin-right: auto;
}

[data-theme="light"] .calculator-container {
    background: linear-gradient(150deg, rgba(251, 252, 255, 0.96), rgba(244, 247, 255, 0.98));
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 32px 60px -48px rgba(14, 116, 144, 0.25);
}

[data-theme="light"] .calculator-container::before {
    opacity: 0.35;
}

.tab-container {
    width: 100%;
    max-width: min(100%, var(--content-max));
    margin: 2rem auto 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .tab-container {
    background: linear-gradient(150deg, rgba(251, 252, 255, 0.96), rgba(244, 247, 255, 0.98));
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 32px 60px -48px rgba(14, 116, 144, 0.25);
}

[data-theme="light"] .tab-container::before {
    opacity: 0.35;
}

.tab-container .calculator-container {
    margin-top: 0;
    border: none;
    border-radius: var(--radius-box);
    box-shadow: none;
    background: transparent;
    backdrop-filter: none;
}

.tab-container .calculator-container::before {
    display: none;
}

.tab-container .selector-shell,
.tab-container .calc-panel {
    position: relative;
    z-index: 1;
}

.tab-container__top {
    display: grid;
    gap: clamp(1.25rem, 3vw, 1.75rem);
    padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 4vw, 2.5rem);
    border-bottom: 1px solid var(--border-glass);
    background: color-mix(in srgb, var(--bg-surface-alt) 45%, transparent);
    position: relative;
    z-index: 1;
}

[data-theme="light"] .tab-container__top {
    border-bottom-color: rgba(59, 130, 246, 0.18);
    background: color-mix(in srgb, rgba(244, 247, 255, 0.75) 65%, transparent);
}

[data-theme="light"] .tab-container__top-intro {
    border-bottom-color: rgba(59, 130, 246, 0.16);
}

.tab-container__top-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: clamp(1.1rem, 2.8vw, 1.65rem);
}

.tab-container__top-intro {
    margin: 0;
    padding-bottom: clamp(0.85rem, 2vw, 1.2rem);
    border-bottom: 1px solid color-mix(in srgb, var(--border-glass) 80%, transparent);
}

.tab-container__controls-row {
    width: 100%;
    min-width: 0;
    margin: 0;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem) clamp(1rem, 2.2vw, 1.35rem);
    border: none;
    border-bottom: 1px solid var(--border-glass);
    background: transparent;
    box-sizing: border-box;
}

[data-theme="light"] .tab-container__controls-row {
    border-bottom-color: rgba(59, 130, 246, 0.18);
}

.calc-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 1rem 1.5rem;
    width: 100%;
    min-width: 0;
    padding: 1.125rem 1.35rem;
    border-radius: var(--radius-lg);
    border: 1px solid color-mix(in srgb, var(--border-glass) 88%, transparent);
    background: color-mix(in srgb, var(--bg-surface-alt) 42%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    box-sizing: border-box;
}

[data-theme="light"] .calc-toolbar {
    background: color-mix(in srgb, rgba(255, 255, 255, 0.72) 88%, transparent);
    border-color: rgba(148, 163, 184, 0.28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.calc-toolbar__group--primary {
    flex: 1 1 min(18rem, 100%);
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-toolbar__group--actions {
    flex: 1 1 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 0.85rem 1.25rem;
    min-width: min(100%, 22rem);
}

.calc-toolbar__divider {
    align-self: stretch;
    width: 1px;
    min-height: 3.25rem;
    margin: 0 0.15rem;
    background: linear-gradient(
        180deg,
        transparent,
        color-mix(in srgb, var(--border-glass) 90%, transparent) 12%,
        color-mix(in srgb, var(--border-glass) 90%, transparent) 88%,
        transparent
    );
    flex-shrink: 0;
}

.calc-toolbar__label {
    display: block;
    margin: 0;
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    line-height: 1.35;
}

.calc-toolbar__field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: min(100%, 11rem);
}

.calc-toolbar .calculator-select {
    font-size: 0.9375rem;
    padding: 0.65rem 2.75rem 0.65rem 1rem;
    background-size: 0.95rem;
    background-position: right 0.85rem center;
}

.calc-toolbar #calculator-select.calculator-select {
    width: 100%;
    max-width: none;
    min-height: 0;
    box-sizing: border-box;
}

.calc-toolbar .calc-toolbar__field .calculator-select {
    min-width: 7.5rem;
}

.calc-toolbar .calculator-select option {
    padding: 0.4rem 0.65rem;
    font-size: 0.9375rem;
}

.calc-toolbar .cta-button.secondary {
    font-size: 0.9375rem;
    padding: 0.62rem 1.35rem;
}

.calc-toolbar .cta-button.secondary span {
    font-size: 1em;
    opacity: 1;
}

.calc-toolbar__refresh {
    flex-shrink: 0;
    gap: 0.45rem;
}

.calc-toolbar__refresh-icon {
    display: inline-block;
    font-size: 1.1em;
    line-height: 1;
    opacity: 0.88;
}

@media (max-width: 720px) {
    .calc-toolbar__divider {
        display: none;
    }

    .calc-toolbar__group--actions {
        width: 100%;
        justify-content: flex-start;
        padding-top: 1rem;
        border-top: 1px solid color-mix(in srgb, var(--border-glass) 80%, transparent);
    }

    .calc-toolbar__field {
        flex: 1 1 10rem;
    }
}

.calc-page-title {
    margin: 0;
    font-family: var(--font-display, "Outfit", system-ui, sans-serif);
    font-size: clamp(1.35rem, 2.8vw, 1.85rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.selector-shell {
    max-width: 640px;
    margin: 0 auto 2rem;
    text-align: left;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem 1rem;
}

.selector-shell label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tab-container .selector-shell {
    margin: 0;
    width: 100%;
    max-width: 100%;
    padding: 0.85rem clamp(1.25rem, 4vw, 2.5rem);
    border-radius: var(--radius-box);
    border: none;
    border-bottom: 1px solid var(--border-glass);
    background: color-mix(in srgb, var(--bg-surface-alt) 55%, transparent);
    box-shadow: none;
    align-items: center;
    gap: 0.55rem 1.15rem;
}

.tab-container .selector-shell .calculator-select {
    flex: 0 1 auto;
    width: auto;
    min-width: min(100%, 12rem);
    max-width: min(100%, 28rem);
    padding: 0.62rem 2.65rem 0.62rem 1rem;
    font-size: 0.95rem;
}

.tab-container .selector-shell label {
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
}

[data-theme="light"] .tab-container .selector-shell {
    border-bottom-color: rgba(59, 130, 246, 0.18);
    background: color-mix(in srgb, rgba(244, 247, 255, 0.85) 70%, transparent);
}

.trust-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.trust-chip strong {
    color: var(--accent-primary);
    font-weight: 700;
    margin-right: 0.25rem;
}

a.trust-chip--link {
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s ease, color 0.15s ease;
}

a.trust-chip--link:hover {
    border-color: color-mix(in srgb, var(--accent-primary) 42%, transparent);
    color: var(--text-accent);
}

.calc-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.calc-panel-head__title {
    font-family: var(--font-heading);
    font-size: clamp(1.35rem, 2.4vw, 1.65rem);
    font-weight: 700;
    margin: 0 0 0.35rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.calc-panel-head__lede {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 36rem;
    line-height: 1.55;
}

.calc-panel-head--stack {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 1.75rem;
}

.btn-fetch {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 38%, transparent);
    background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
    color: var(--text-accent);
    font-size: 0.65rem;
    font-family: var(--font-mono);
    font-weight: 600;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-fetch:hover {
    background: color-mix(in srgb, var(--accent-primary) 22%, transparent);
    border-color: color-mix(in srgb, var(--accent-primary) 50%, transparent);
}

.calc-panel {
    width: 100%;
    margin: 2rem auto 0;
    max-width: min(100%, 56rem);
    animation: fadeIn 0.4s ease-out;
}

.calc-panel > h2 {
    text-align: center;
}

.calc-panel-head .calc-panel-head__title {
    text-align: left;
}

.calc-panel > p {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
}

.result {
    margin-top: 1.5rem;
    padding: 1.75rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(18, 22, 30, 0.94), rgba(10, 12, 18, 0.92));
    border: 1px solid color-mix(in srgb, var(--accent-primary) 18%, transparent);
    box-shadow: var(--shadow-hard);
}

.result h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.result-value {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

[data-theme="light"] .result {
    background: linear-gradient(135deg, rgba(251, 252, 255, 0.96), rgba(244, 247, 255, 0.98));
    border-color: rgba(59, 130, 246, 0.15);
    box-shadow: 0 20px 40px -20px rgba(14, 165, 233, 0.15);
}

.result-card-pro {
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.08), transparent 70%),
                rgba(8, 12, 28, 0.95);
    border: 1px solid rgba(85, 240, 255, 0.25);
    border-radius: var(--radius-lg);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    margin-top: 2rem;
    box-shadow: 0 24px 60px -30px rgba(8, 12, 40, 0.8),
                inset 0 1px 0 rgba(85, 240, 255, 0.1);
}

.result-card-pro::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0.8;
}

.result-header-pro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
    padding-bottom: 1rem;
}

.result-badge-pro {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-accent);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 35%, transparent);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    background: color-mix(in srgb, var(--accent-primary) 10%, transparent);
    flex-shrink: 0;
}

.result-main-value {
    font-family: var(--font-mono);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(180deg, #fff, rgba(255, 255, 255, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.result-sub-value {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.result-value-positive {
    color: var(--success-color);
    -webkit-text-fill-color: var(--success-color);
}

.result-value-negative {
    color: var(--error-color);
    -webkit-text-fill-color: var(--error-color);
}

.result-value--compact {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.result-value--portfolio-total {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.pl-stat-row {
    font-size: 1.1rem;
    margin: 0.35rem 0;
}

.pl-stat-row .text-pl-profit {
    color: var(--success-color);
    font-weight: 600;
}

.pl-stat-row .text-pl-loss {
    color: var(--error-color);
    font-weight: 600;
}

.pl-breakdown {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.result-callout-box {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.holding-card {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.pl-breakdown p,
.result-callout-box p {
    margin: 0.2rem 0;
}

.btn-copy-result {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
}

.btn-copy-result:hover {
    border-color: color-mix(in srgb, var(--accent-primary) 45%, var(--border-color));
    color: var(--text-accent);
}

.result-highlight-accent {
    color: var(--accent-primary);
}

.result-highlight-loss {
    color: var(--error-color);
}

.result-value.result-highlight-accent {
    color: var(--accent-primary);
    -webkit-text-fill-color: var(--accent-primary);
}

.result-value.result-highlight-loss {
    color: var(--error-color);
    -webkit-text-fill-color: var(--error-color);
}

[data-theme="light"] .result-card-pro {
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.08), transparent 70%),
                rgba(252, 253, 255, 0.95);
    border-color: rgba(14, 165, 233, 0.25);
    box-shadow: 0 24px 60px -30px rgba(14, 165, 233, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .result-card-pro::before {
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.5), transparent);
    opacity: 0.5;
}

[data-theme="light"] .result-header-pro {
    border-bottom-color: rgba(14, 165, 233, 0.2);
}

[data-theme="light"] .result-badge-pro {
    background: rgba(14, 165, 233, 0.1);
    border-color: rgba(14, 165, 233, 0.3);
    color: var(--accent-primary);
}

[data-theme="light"] .result-main-value {
    background: linear-gradient(180deg, var(--text-primary), rgba(30, 64, 175, 0.8));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.portfolio-entry {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    background: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
}


/* ==========================================================================
   11. SECTIONS (Gradient, Info, FAQ, Page Content)
   ========================================================================== */

.info-section,
.faq-section,
.page-content,
.gradient-section {
    position: relative;
    margin-top: 2.5rem;
    padding: clamp(1.5rem, 3vw, 2rem);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(18, 20, 28, 0.94), rgba(10, 12, 18, 0.92));
    border: 1px solid color-mix(in srgb, var(--accent-primary) 16%, transparent);
    box-shadow: var(--shadow-hard);
    overflow: hidden;
}

.info-section::before,
.faq-section::before,
.page-content::before,
.calculator-container::before,
.tab-container::before,
.gradient-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(40% 48% at 78% 12%, color-mix(in srgb, var(--accent-primary) 18%, transparent) 0%, transparent 62%);
    opacity: 0.55;
    pointer-events: none;
}

.gradient-section h2,
.gradient-section h3 {
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.gradient-section p,
.gradient-section li {
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.gradient-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(165deg, color-mix(in srgb, var(--accent-primary) 10%, transparent), color-mix(in srgb, var(--accent-secondary) 8%, transparent));
    opacity: 0.65;
    pointer-events: none;
}

.gradient-section .feature-grid {
    margin-top: 1.5rem;
}

.calc-page-cta {
    margin-top: clamp(3rem, 8vw, 5rem);
    text-align: center;
}

.calc-page-cta h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.65rem, 3vw, 2.1rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.calc-page-cta p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.calc-page-cta .cta-button {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    gap: 0.4rem;
}

.gradient-section .cta-row {
    justify-content: center;
    margin-top: 2rem;
}

[data-theme="light"] .info-section,
[data-theme="light"] .faq-section,
[data-theme="light"] .page-content,
[data-theme="light"] .gradient-section {
    background: linear-gradient(150deg, rgba(251, 252, 255, 0.96), rgba(244, 247, 255, 0.98));
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 0 32px 60px -48px rgba(14, 116, 144, 0.25);
}

[data-theme="light"] .info-section::before,
[data-theme="light"] .faq-section::before,
[data-theme="light"] .page-content::before,
[data-theme="light"] .gradient-section::before {
    opacity: 0.35;
}

.section-head {
    max-width: 760px;
    margin: 0 auto 2.4rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.section-head h2 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 2.7rem);
    letter-spacing: -0.015em;
}

.section-head p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.25rem;
    gap: 1rem;
}

.section-heading h2 {
    font-size: clamp(2rem, 3.4vw, 2.6rem);
    letter-spacing: -0.01em;
}

.section-heading p {
    max-width: 420px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.gradient-section .section-intro--hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 2rem;
    margin-left: auto;
    margin-right: auto;
    max-width: min(42rem, 100%);
    position: relative;
    z-index: 1;
}

.gradient-section .section-intro--hero .hero-pill {
    margin-bottom: 0.85rem;
}

.gradient-section .section-intro--hero h2 {
    margin: 0 0 0.65rem;
    font-size: clamp(1.85rem, 2.8vw, 2.4rem);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.gradient-section .section-intro--hero .hero-lede {
    margin: 0 auto;
    max-width: 38rem;
}

.gradient-section .section-intro--hero + .section-subheading {
    margin-top: 1.75rem;
}

.section-subheading {
    font-size: 1.1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 3rem 0 1.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.gradient-section .section-subheading.section-subheading--left {
    text-align: left;
    align-self: stretch;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    font-weight: 600;
}

@media (max-width: 640px) {
    .gradient-section .section-subheading.section-subheading--left {
        text-align: center;
    }
}

.info-section h2,
.faq-section h2,
.page-content h1,
.page-content h2 {
    font-size: clamp(1.85rem, 2.8vw, 2.4rem);
    margin-bottom: 1.2rem;
    letter-spacing: -0.015em;
}

.page-content.contact-page {
    padding: clamp(1.75rem, 4vw, 2.75rem);
    padding-bottom: clamp(2rem, 5vw, 3rem);
    overflow: visible;
}

.page-content.contact-page > * {
    position: relative;
    z-index: 1;
}

.contact-page__shell {
    display: flex;
    flex-direction: column;
    gap: clamp(1.75rem, 3vw, 2.5rem);
    max-width: min(72rem, 100%);
    margin: 0 auto;
}

.contact-page__header {
    text-align: center;
    max-width: min(40rem, 100%);
    margin: 0 auto;
}

.contact-page__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin: 0 0 0.5rem;
}

.contact-page__header h1 {
    margin-bottom: 0.65rem;
    text-align: center;
}

.page-content.contact-page p.contact-page__lead {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.65;
}

.contact-page__grid {
    display: grid;
    gap: clamp(1.75rem, 3vw, 2.5rem);
    align-items: start;
}

.contact-page__primary {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-width: 0;
}

@media (min-width: 960px) {
    .contact-page__grid {
        grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
        gap: clamp(2rem, 4vw, 3rem);
        align-items: start;
    }

    .contact-page__aside {
        position: sticky;
        top: 5.5rem;
    }
}

.contact-page .contact-form {
    margin: 0;
    width: 100%;
    max-width: none;
}

.contact-form .contact-form__row {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.35rem;
}

.contact-form .contact-form__row .form-group {
    margin-bottom: 0;
}

@media (min-width: 520px) {
    .contact-form .contact-form__row--duo {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.contact-page__aside {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: clamp(1.25rem, 2.5vw, 1.5rem);
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--text-primary) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--border-color) 85%, transparent);
}

[data-theme="light"] .contact-page__aside {
    background: rgba(255, 255, 255, 0.55);
    border-color: rgba(59, 130, 246, 0.18);
}

.page-content.contact-page h2.contact-page__aside-title {
    font-family: var(--font-heading);
    font-size: clamp(1.05rem, 1.5vw, 1.15rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    text-transform: none;
    color: var(--text-primary);
    margin: 0;
    padding-bottom: 0.75rem;
    line-height: 1.3;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 80%, transparent);
}

.contact-page__topic-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    counter-reset: topic;
}

.contact-topic-item {
    position: relative;
    margin: 0;
    padding: 0.85rem 0 0.85rem 2.35rem;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 55%, transparent);
}

.contact-topic-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-topic-item::before {
    counter-increment: topic;
    content: counter(topic, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0.95rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--accent-primary);
    opacity: 0.9;
}

.contact-topic-item h3 {
    font-size: 0.98rem;
    font-weight: 600;
    margin: 0 0 0.4rem;
    line-height: 1.35;
    color: var(--text-primary);
}

.contact-topic-item p {
    font-size: 0.875rem;
    line-height: 1.58;
    margin: 0;
    color: var(--text-secondary);
}

.page-content.contact-page p.contact-page__footnote {
    margin: 0;
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 1.1rem 1.15rem;
}

.page-content.contact-page .contact-page__topic-list {
    padding-left: 0;
}

.page-content.contact-page .contact-topic-item {
    margin-bottom: 0;
}

.page-content.contact-page .contact-topic-item h3 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 0.98rem;
}

.page-content.contact-page .contact-topic-item p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.info-section h3,
.faq-section h3,
.page-content h3 {
    margin-top: 2.25rem;
    margin-bottom: 0.9rem;
    font-size: 1.2rem;
}

.info-section p,
.faq-section p,
.page-content p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1.15rem;
}

.info-section ul,
.page-content ul,
.page-content ol {
    padding-left: 1.25rem;
    color: var(--text-secondary);
}

.info-section li,
.page-content li {
    margin-bottom: 0.7rem;
    line-height: 1.6;
}

.page-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
    align-items: center;
}

.page-header > div:first-child {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.page-header img {
    height: 80px;
    width: auto;
    filter: drop-shadow(0 10px 28px rgba(14, 165, 233, 0.6)) brightness(1.1);
}

.page-header .lead {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.info-banner {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(99, 102, 241, 0.15));
    border: 2px solid rgba(14, 165, 233, 0.3);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.info-banner p {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.info-banner strong {
    color: var(--text-accent);
}

.info-banner a {
    color: var(--text-accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.18em;
}

.info-banner a:hover {
    color: var(--accent-secondary);
}

.glass-panel.centered h2 a {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    text-decoration: none;
}

.glass-panel.centered h2 a:hover {
    opacity: 0.88;
}

.page-header .lead a.org-site-link {
    color: var(--accent-primary);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

.page-header .lead a.org-site-link:hover {
    color: var(--accent-secondary);
}

a.org-site-link {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 0.12em;
}

a.org-site-link:hover {
    color: var(--accent-secondary);
}

[data-theme="light"] a.org-site-link,
[data-theme="light"] .page-header .lead a.org-site-link {
    color: rgba(37, 99, 235, 0.95);
}

.split-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.accent-panel {
    border-left: 3px solid var(--accent-primary);
    padding: 1.25rem 1.25rem 1.25rem 1.75rem;
    border-radius: var(--radius-md);
    background: rgba(12, 18, 40, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.12);
}

[data-theme="light"] .accent-panel {
    background: rgba(239, 246, 255, 0.88);
    border-color: rgba(59, 130, 246, 0.2);
}

.about-stack-card {
    padding: 1.5rem;
}

.about-stack-card--performance {
    border-left-color: var(--accent-primary);
    background: color-mix(in srgb, var(--accent-primary) 12%, var(--bg-surface));
}

.about-stack-card--strategy {
    border-left-color: var(--accent-secondary);
    background: color-mix(in srgb, var(--accent-secondary) 12%, var(--bg-surface));
}

.about-stack-card--yield {
    border-left-color: var(--accent-tertiary);
    background: color-mix(in srgb, var(--accent-tertiary) 12%, var(--bg-surface));
}

.about-stack-card__title {
    margin-bottom: 0.75rem;
}

.about-stack-card--performance .about-stack-card__title {
    color: var(--accent-primary);
}

.about-stack-card--strategy .about-stack-card__title {
    color: var(--accent-secondary);
}

.about-stack-card--yield .about-stack-card__title {
    color: var(--accent-tertiary);
}

.about-stack-card--performance strong {
    color: var(--accent-primary);
}

.about-stack-card--strategy strong {
    color: var(--accent-secondary);
}

.about-stack-card--yield strong {
    color: var(--accent-tertiary);
}

.about-stack-card__list {
    font-size: 0.85rem;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.faq-section .faq-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.faq-section .faq-item:last-child {
    border-bottom: none;
}

.faq-toggle {
    margin-top: 2.5rem;
    text-align: center;
}

/* ==========================================================================
   Hero Widget & Terminal
   ========================================================================== */

.hero-widget {
    width: 100%;
    padding: 1.5rem;
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: color-mix(in srgb, var(--bg-surface) 72%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideUpFade 0.6s ease-out forwards;
}

.hero-aside-panel .hero-widget {
    margin-top: 0;
    padding: 1.35rem 1.25rem 1.4rem;
    gap: 1.1rem;
}

.hero-aside-panel .hero-widget.glass-panel {
    margin-top: 0;
}

@media (min-width: 960px) {
    .hero-aside-panel .hero-widget {
        padding: 1.5rem 1.35rem 1.55rem;
        gap: 1.2rem;
    }

    .hero-aside-panel .widget-label {
        font-size: 0.74rem;
        letter-spacing: 0.11em;
    }

    .hero-aside-panel .widget-status {
        font-size: 0.65rem;
    }

    .hero-aside-panel .input-minimal label {
        font-size: 0.65rem;
    }

    .hero-aside-panel .input-minimal input {
        padding: 0.68rem 0.85rem;
        font-size: 1rem;
    }

    .hero-aside-panel .widget-btn {
        padding: 0.82rem;
        font-size: 0.82rem;
    }
}

.widget-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-glass);
}

.widget-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
}

.widget-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.6rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--success-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success-color);
}

.widget-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-minimal {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.input-minimal label {
    font-size: 0.6rem;
    margin: 0;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
}

.input-minimal input {
    width: 100%;
    background: color-mix(in srgb, var(--bg-input) 88%, var(--bg-page));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.8rem;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.input-minimal input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-input);
}

.widget-btn {
    width: 100%;
    background: var(--accent-gradient);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    font-weight: 700;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.widget-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.widget-btn:active {
    transform: translateY(0);
}

.widget-result {
    padding-top: 1rem;
    border-top: 1px solid var(--border-glass);
    animation: fadeIn 0.4s ease-out;
}

.quick-summary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quick-summary__metric {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.quick-summary__label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.quick-summary__value {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.quick-summary__value strong {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.quick-summary__percent {
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font-mono);
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-sm);
}

.is-profit .quick-summary__value strong { color: var(--success-color); }
.is-profit .quick-summary__percent { background: var(--profit-pill-bg); color: var(--success-color); }

.is-loss .quick-summary__value strong { color: var(--error-color); }
.is-loss .quick-summary__percent { background: var(--loss-pill-bg); color: var(--error-color); }

.detail-stack {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.75rem;
    background: color-mix(in srgb, var(--bg-page) 72%, var(--bg-input));
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.detail-row span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

[data-theme="light"] .detail-row {
    background: rgba(244, 247, 255, 0.8);
    border-color: rgba(148, 178, 255, 0.3);
    color: var(--text-secondary);
}

[data-theme="light"] .detail-row span:last-child {
    color: var(--text-primary);
}

[data-theme="light"] .quick-summary {
    background: rgba(252, 253, 255, 0.95);
    border-color: rgba(30, 64, 175, 0.18);
    box-shadow: 0 24px 50px -40px rgba(79, 70, 229, 0.24);
}

.quick-example {
    padding: 1.25rem 1.4rem;
    border-radius: var(--radius-md);
    background: rgba(12, 20, 44, 0.6);
    border: 1px dashed rgba(99, 102, 241, 0.3);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.quick-example strong {
    color: var(--accent-secondary);
}

[data-theme="light"] .quick-example {
    background: rgba(241, 244, 255, 0.95);
    border-color: rgba(148, 178, 255, 0.35);
    color: rgba(36, 48, 84, 0.9);
}

[data-theme="light"] .hero-widget {
    background: var(--bg-surface-glass);
    border-color: var(--border-glass);
    box-shadow: var(--shadow-lg);
}

[data-theme="light"] .widget-header,
[data-theme="light"] .widget-result {
    border-color: var(--border-color);
}

[data-theme="light"] .detail-stack {
    background: color-mix(in srgb, var(--bg-surface-alt) 94%, var(--bg-page));
    border-color: var(--border-color);
}


/* ==========================================================================
   13. MISC SECTION STYLES
   ========================================================================== */

.monetize-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.4rem;
}

.monetize-card {
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(150deg, rgba(12, 18, 36, 0.92), rgba(7, 12, 30, 0.9));
    border: 1px solid rgba(99, 102, 241, 0.25);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.monetize-card header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-secondary);
}

.monetize-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.monetize-card ul {
    padding-left: 1.1rem;
    color: var(--text-muted);
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.insight-item {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: rgba(13, 19, 40, 0.75);
    border: 1px solid rgba(14, 165, 233, 0.2);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.insight-grid .insight-item:hover,
.monetize-card:hover,
.faq-item:hover {
    transform: translateY(-4px);
    border-color: rgba(14, 165, 233, 0.4);
}

[data-theme="light"] .monetize-card,
[data-theme="light"] .insight-grid .insight-item,
[data-theme="light"] .faq-item {
    background: rgba(252, 253, 255, 0.95);
    border-color: rgba(30, 64, 175, 0.18);
    box-shadow: 0 24px 50px -40px rgba(79, 70, 229, 0.24);
}

.faq-item {
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.timeline {
    position: relative;
    padding-left: 1.75rem;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 0.6rem;
    top: 0.3rem;
    bottom: 0.3rem;
    width: 2px;
    background: linear-gradient(180deg, rgba(96, 165, 250, 0.35), rgba(14, 165, 233, 0.4));
}

.timeline-step {
    position: relative;
    margin-bottom: 1.75rem;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.timeline-step::before {
    content: "";
    position: absolute;
    left: -1.1rem;
    top: 0.35rem;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    box-shadow: 0 0 0 6px rgba(96, 165, 250, 0.12);
}

.timeline-step h4 {
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

.timeline-step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.centered-content {
    text-align: center;
    margin: 0 auto;
}


/* ==========================================================================
   14. FOOTER
   ========================================================================== */

footer {
    margin-top: 4.5rem;
    border-top: 1px solid rgba(99, 102, 241, 0.16);
    background: linear-gradient(135deg, rgba(10, 14, 32, 0.96), rgba(7, 10, 26, 0.92));
    position: relative;
    overflow: hidden;
}

footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(35% 40% at 80% 20%, rgba(99, 102, 241, 0.2), transparent 70%);
    opacity: 0.6;
    pointer-events: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.75rem 2.25rem 1.5rem;
    display: grid;
    gap: 2.25rem 2.5rem;
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr) minmax(0, 1fr);
        justify-items: stretch;
        text-align: left;
        align-items: start;
        column-gap: clamp(2rem, 4vw, 3.25rem);
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 22rem;
}

@media (min-width: 768px) {
    .footer-brand {
        align-items: flex-start;
        max-width: none;
    }
}

.footer-brand-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.15rem;
    text-decoration: none;
    color: inherit;
}

.footer-brand-link:hover .footer-logo {
    color: var(--accent-secondary);
}

.footer-brand .logo-img {
    height: 56px;
    width: auto;
    flex-shrink: 0;
    filter: drop-shadow(0 6px 16px rgba(14, 165, 233, 0.5));
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.55;
    margin: 0;
    max-width: 22rem;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 0;
}

@media (min-width: 768px) {
    .footer-nav {
        align-items: flex-start;
    }
}

.footer-nav-heading {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 0 0 1rem;
    color: var(--text-muted);
}

.footer-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    align-items: center;
}

@media (min-width: 768px) {
    .footer-nav ul {
        align-items: flex-start;
    }
}

.footer-nav a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.footer-nav a:hover {
    color: var(--accent-secondary);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid rgba(99, 102, 241, 0.16);
    padding: 1.75rem 2.25rem 2.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom strong {
    color: var(--accent-secondary);
}

[data-theme="light"] footer {
    background: linear-gradient(135deg, rgba(245, 247, 255, 0.96), rgba(238, 244, 255, 0.94));
    border-top: 1px solid rgba(79, 70, 229, 0.18);
}


/* ==========================================================================
   15. ANNOUNCEMENT BANNER
   ========================================================================== */

.announcement-banner {
    position: relative;
    background: linear-gradient(130deg, rgba(6, 10, 24, 0.9), rgba(10, 20, 38, 0.88));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.35rem 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 14px 32px -24px rgba(49, 130, 246, 0.35);
    margin: 0.5rem auto 0;
    width: var(--content-max);
    transition: opacity 0.3s ease, transform 0.3s ease;
    overflow: hidden;
    color: rgba(230, 238, 255, 0.95);
    text-align: left;
    font-size: 0.86rem;
}

.announcement-banner::before {
    content: "";
    position: absolute;
    inset: -50% -30% auto auto;
    background: radial-gradient(circle, rgba(144, 206, 255, 0.28), transparent 55%);
    opacity: 0.85;
    pointer-events: none;
}

.announcement-banner strong {
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(128, 196, 255, 0.92);
    display: inline-flex;
}

.announcement-banner .banner-content {
    flex: 1;
    text-align: left;
}

.announcement-banner .banner-content p {
    margin: 0;
    color: rgba(226, 238, 255, 0.88);
    font-size: 0.82rem;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.announcement-banner .banner-highlight {
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.banner-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: auto;
    padding-right: 1.5rem;
}

.banner-actions .cta-button {
    padding: 0.24rem 0.75rem;
    font-size: 0.74rem;
}

.banner-pill {
    background: rgba(59, 130, 246, 0.28);
    border: 1px solid rgba(96, 165, 250, 0.4);
    color: rgba(235, 243, 255, 0.9);
    padding: 0.18rem 0.55rem;
    border-radius: var(--radius-sm);
    font-size: 0.68rem;
}

.announcement-banner .banner-close {
    position: absolute;
    top: 50%;
    right: 0.6rem;
    border: none;
    background: transparent;
    color: rgba(236, 243, 255, 0.92);
    width: auto;
    height: auto;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    transition: color 0.25s ease, transform 0.25s ease;
    transform: translateY(-50%);
}

.announcement-banner .banner-close:hover {
    color: rgba(255, 255, 255, 1);
    transform: scale(1.05) translateY(-50%);
}

.announcement-banner.is-hidden {
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
    max-height: 0;
    margin: 0 auto;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
}

[data-theme="light"] .announcement-banner {
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 255, 0.96));
    border: 1px solid rgba(148, 181, 232, 0.5);
    color: var(--text-secondary);
    box-shadow: 0 18px 42px -30px rgba(84, 136, 255, 0.24);
}

[data-theme="light"] .announcement-banner strong {
    color: rgba(58, 99, 190, 0.88);
}

[data-theme="light"] .announcement-banner .banner-content p {
    color: rgba(36, 54, 92, 0.78);
}

[data-theme="light"] .announcement-banner .banner-highlight {
    color: var(--accent-primary);
}

[data-theme="light"] .announcement-banner .banner-pill {
    background: rgba(96, 165, 250, 0.15);
    border: 1px solid rgba(96, 165, 250, 0.3);
    color: rgba(28, 46, 82, 0.86);
}

[data-theme="light"] .announcement-banner .banner-close {
    color: rgba(36, 54, 92, 0.9);
}

[data-theme="light"] .announcement-banner .banner-close:hover {
    color: rgba(20, 30, 60, 1);
}


/* ==========================================================================
   16. ADSENSE CONTAINERS
   ========================================================================== */

/* --- AdSense Containers --- */
/* Hidden until AdSense sets data-ad-status="filled" (avoids giant white iframe placeholders). */
.adsense-container {
    width: 100%;
    max-width: var(--content-max, 1280px);
    margin: 2rem auto;
    padding: 0 1rem;
    min-height: 0;
    overflow: hidden;
    text-align: center;
    display: none;
}

.adsense-container.adsense-visible {
    display: block;
}

.adsense-container ins.adsbygoogle {
    display: block;
    width: 100%;
}

.adsense-after-hero {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.adsense-mid-content {
    margin: 3rem auto;
}

/* Homepage: less dead air between Quick Profit and ad stack */
main.layout-main section#quick-profit + .adsense-container.adsense-after-hero {
    margin-top: 1rem;
    margin-bottom: 0.75rem;
}

main.layout-main section#quick-profit ~ .adsense-container.adsense-mid-content {
    margin-top: 0.75rem;
    margin-bottom: 1rem;
}

.adsense-pre-footer {
    margin-top: 3rem;
    margin-bottom: 1rem;
}

/* Calcula.io Internal Promo Placeholder */
.calcula-promo-placeholder {
    width: 100%;
    max-width: var(--content-max);
    margin: 1.5rem auto;
    padding: 1.5rem;
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.08), rgba(99, 102, 241, 0.05));
    border: 1px dashed var(--accent-primary);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calcula-promo-placeholder .promo-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

.calcula-promo-placeholder p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.calcula-promo-placeholder .promo-link {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.calcula-promo-placeholder .promo-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}


@media (max-width: 768px) {
    .adsense-container {
        margin: 1.5rem auto;
        padding: 0 0.5rem;
    }
}


/* ==========================================================================
   17. 404 ERROR PAGE
   ========================================================================== */

.error-page {
    text-align: center;
    max-width: 600px;
    margin: 4rem auto;
    padding: 3rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(13, 19, 40, 0.9), rgba(7, 12, 30, 0.9));
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-hard);
}

.error-code {
    font-size: clamp(4rem, 10vw, 6rem);
    font-weight: 700;
    color: var(--accent-secondary);
    margin-bottom: 1rem;
}

.error-message {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.error-links {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.error-links .cta-button {
    width: 100%;
    max-width: 260px;
    justify-content: center;
}

[data-theme="light"] .error-page {
    background: rgba(252, 253, 255, 0.95);
    border-color: rgba(30, 64, 175, 0.18);
    box-shadow: 0 24px 50px -40px rgba(79, 70, 229, 0.24);
}


/* ==========================================================================
   18. ANIMATIONS
   ========================================================================== */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(0.98);
    }
}

.hero-copy > *:nth-child(1) { animation: fadeUp 0.4s ease 0s both; }
.hero-copy > *:nth-child(2) { animation: fadeUp 0.4s ease 0.1s both; }
.hero-copy > *:nth-child(3) { animation: fadeUp 0.4s ease 0.2s both; }
.hero-copy > *:nth-child(4) { animation: fadeUp 0.4s ease 0.3s both; }
.hero-copy > *:nth-child(5) { animation: fadeUp 0.4s ease 0.4s both; }


/* ==========================================================================
   20. TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
    max-width: calc(100vw - 4rem);
}

.toast {
    position: relative;
    min-width: 320px;
    max-width: 420px;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-2xl);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.85rem;
    pointer-events: auto;
    overflow: hidden;
    animation: toastSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    cursor: pointer;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.toast.removing {
    animation: toastSlideOut 0.3s cubic-bezier(0.7, 0, 0.84, 0) forwards;
}

@keyframes toastSlideOut {
    from {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateX(40px) scale(0.9);
    }
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-message {
    flex-grow: 1;
    font-size: 0.925rem;
    font-weight: 500;
    line-height: 1.4;
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
}

.toast-progress-bar {
    height: 100%;
    width: 100%;
    background: var(--accent-primary);
    transform-origin: left;
}

.toast-error {
    border-left: 4px solid var(--error-color);
}

.toast-error .toast-icon {
    color: var(--error-color);
}

.toast-error .toast-progress-bar {
    background: var(--error-color);
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-success .toast-icon {
    color: var(--success-color);
}

.toast-success .toast-progress-bar {
    background: var(--success-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-warning .toast-icon {
    color: var(--warning-color);
}

.toast-warning .toast-progress-bar {
    background: var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--accent-primary);
}

.toast-info .toast-icon {
    color: var(--accent-primary);
}

.toast-info .toast-progress-bar {
    background: var(--accent-primary);
}

[data-theme="light"] .toast {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.12);
}

@media (max-width: 640px) {
    .toast-container {
        bottom: 1.5rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
    
    .toast {
        min-width: 0;
        width: 100%;
    }
}


/* ==========================================================================
   19. RESPONSIVE BREAKPOINTS
   ========================================================================== */


@media (max-width: 1024px) {
    .hero-intro {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-copy {
        align-items: center;
        text-align: center;
        max-width: 640px;
        margin: 0 auto;
    }

    .hero-selector--inline {
        margin: 0 auto clamp(1.2rem, 4vw, 2.4rem);
        max-width: 520px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        align-items: center;
        gap: 1.75rem;
    }

    .hero-aside {
        max-width: 560px;
        margin: 0 auto;
        align-items: center;
    }

    .hero-meta {
        justify-content: center;
    }

    .hero-copy .action-links {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-logo-block {
        align-items: center;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }
}

@media (max-width: 860px) {
    nav {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem 1.1rem;
    }

    .nav-spacer {
        display: none;
    }

    .nav-actions {
        flex-wrap: wrap;
        width: 100%;
        justify-content: center;
        gap: 0.65rem;
    }

    nav ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.65rem;
    }

    .logo {
        position: static;
        transform: none;
    }

    .section-heading {
        flex-direction: column;
        align-items: flex-start;
    }

    .stat-board {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-copy {
        align-items: center;
        text-align: center;
        gap: 1.2rem;
    }

    .hero-actions {
        justify-content: center;
        gap: 0.9rem;
    }

    .hero-aside {
        width: 100%;
        gap: 1.25rem;
    }

    .floating-card {
        width: min(100%, 420px);
        padding: 1.5rem;
    }

    .hero-selector {
        width: 100%;
        max-width: 420px;
    }

    .hero-selector .surface {
        padding: 1rem 1.2rem;
    }

    .announcement-banner {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        width: calc(100% - 1.2rem);
        padding: 0.55rem 0.95rem 0.7rem;
    }

    .announcement-banner .banner-content {
        width: 100%;
    }

    .announcement-banner .banner-content p {
        white-space: normal;
    }

    .banner-actions {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        margin-left: 0;
        padding-right: 0;
    }

}

@media (max-width: 640px) {
    :root {
        --content-max: 100%;
    }

    html,
    body {
        overflow-x: hidden;
    }

    main {
        padding: 2rem 1.1rem 3.2rem;
    }

    header {
        padding: 0.15rem 0;
    }

    nav {
        flex-direction: column;
        align-items: center;
        gap: 0.65rem;
        padding: 0.6rem 1rem;
        width: 100%;
    }

    .nav-actions {
        width: 100%;
        justify-content: center;
        gap: 0.6rem;
    }

    nav ul {
        justify-content: center;
        gap: 0.55rem;
        flex-wrap: wrap;
    }

    nav a {
        font-size: 0.84rem;
        padding: 0.4rem 0.55rem;
    }

    .theme-toggle {
        min-width: 1.6rem;
        min-height: 1.6rem;
        order: -1;
        flex-shrink: 0;
    }

    .theme-toggle .theme-icon {
        font-size: 0.88rem;
    }

    .hero {
        padding: 2.1rem 1rem;
        gap: 1.6rem;
        width: 100%;
        max-width: 100%;
    }

    .hero-pill {
        position: static;
        margin-bottom: 1rem;
        align-self: center;
        width: 100%;
        max-width: 320px;
        text-align: center;
    }

    .hero-copy h1 {
        font-size: clamp(2.05rem, 6.5vw, 2.9rem);
    }

    .hero-copy p {
        font-size: 0.96rem;
        max-width: 100%;
        text-align: center;
    }

    .action-links {
        gap: 0.8rem;
        width: min(100%, 420px);
    }

    .hero-intro--split .hero-copy .action-links {
        justify-content: flex-start;
        width: 100%;
        max-width: none;
    }

    .action-links li {
        font-size: 0.9rem;
        padding: 0.3rem 0;
        text-align: center;
    }

    .floating-card {
        width: 100%;
        padding: 1.35rem;
    }

    .quick-panel {
        gap: 1.15rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 0.9rem;
    }

    .form-grid-2,
    .form-grid-3,
    .form-grid-compact {
        grid-template-columns: 1fr;
    }

    .hero-selector label {
        justify-content: center;
        font-size: 0.68rem;
        letter-spacing: 0.2em;
    }

    .hero-selector .surface {
        padding: 0.9rem 1rem;
    }

    .section-shell,
    .section-shell .glass-panel,
    .section-shell .gradient-section,
    .page-shell,
    .footer-content {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0.55rem 0.85rem;
    }

    nav a {
        padding: 0.35rem 0.48rem;
        font-size: 0.8rem;
    }

    .theme-toggle {
        margin-bottom: 0.25rem;
    }

    .hero {
        padding: 2.15rem 0.95rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }

    section#quick-profit .quick-actions .cta-button {
        width: auto;
        max-width: 100%;
    }

    .hero-selector .surface {
        padding: 0.85rem 0.9rem;
    }

    .floating-card {
        padding: 1.25rem;
    }

    .hero-aside .action-links li {
        justify-content: center;
        text-align: center;
    }
}