/* ==========================================
   SuperPicky - Official Website
   Minimalist Design System
   Matching App UI (ui/styles.py)
   ========================================== */

/* === CSS Variables === */
:root {
    /* Backgrounds - matching app */
    --bg-void: #0a0a0a;
    --bg-primary: #111111;
    --bg-elevated: #1a1a1a;
    --bg-card: #1f1f1f;
    --bg-input: #262626;

    /* Text hierarchy */
    --text-primary: #fafafa;
    --text-secondary: #a1a1a1;
    --text-tertiary: #666666;
    --text-muted: #404040;

    /* Accent - elegant teal */
    --accent: #00d4aa;
    --accent-dim: rgba(0, 212, 170, 0.15);
    --accent-glow: rgba(0, 212, 170, 0.25);

    /* Status colors */
    --star-gold: #d4a800;
    --success: #22c55e;

    /* Borders */
    --border: #2a2a2a;
    --border-subtle: #1e1e1e;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 48px;
    --space-2xl: 80px;

    /* Border radius - matching app */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    /* Fonts - matching app */
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, sans-serif;
    --font-mono: "Space Mono", "Menlo", "Monaco", monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Grain Texture Overlay === */
.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%' height='100%' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* === Container === */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* === Header === */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(17, 17, 17, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

.logo img {
    width: 28px;
    height: 28px;
}

.logo span {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.lang-switch {
    display: flex;
    gap: 2px;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-btn {
    padding: 6px 12px;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-btn.active {
    background: var(--accent);
    color: var(--bg-void);
}

.lang-btn:hover:not(.active) {
    color: var(--text-secondary);
}

/* === Hero Section === */
.hero {
    padding: 160px 0 var(--space-xl);
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: clamp(48px, 10vw, 72px);
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-void);
}

.btn-primary:hover {
    background: #00e6b8;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-version {
    font-size: 11px;
    opacity: 0.7;
    font-family: var(--font-mono);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-tertiary);
}

/* === Showcase Section === */
.showcase {
    padding: 0 0 var(--space-2xl);
}

.showcase-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
}

.showcase-frame img {
    width: 100%;
    display: block;
}

.showcase-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center bottom, var(--accent-glow) 0%, transparent 60%);
    pointer-events: none;
}

/* === Section Header === */
.section-header {
    margin-bottom: var(--space-xl);
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-tertiary);
    padding: 8px 16px;
    background: var(--bg-elevated);
    border-radius: var(--radius-sm);
}

/* === Features Section === */
.features {
    padding: var(--space-2xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.feature-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    border-color: var(--border);
    transform: translateY(-2px);
}

.feature-number {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.feature-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* === Rating Section === */
.rating-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-void);
}

.rating-grid {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.rating-row {
    display: flex;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    gap: var(--space-lg);
}

.rating-row:last-child {
    border-bottom: none;
}

.rating-stars {
    font-size: 18px;
    color: var(--star-gold);
    min-width: 60px;
    font-family: var(--font-mono);
}

.rating-stars.dim {
    opacity: 0.6;
}

.rating-stars.muted {
    color: var(--text-muted);
}

.rating-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.rating-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.rating-desc {
    font-size: 12px;
    color: var(--text-tertiary);
}

.rating-badges {
    display: flex;
    gap: var(--space-sm);
}

.badge {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.badge-pick {
    background: var(--accent);
    color: var(--bg-void);
}

.badge-fly {
    background: var(--success);
    color: var(--bg-void);
}

/* === Scoring Logic Section === */
.logic-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-primary);
}

.logic-block {
    margin-bottom: var(--space-xl);
}

.logic-block:last-child {
    margin-bottom: 0;
}

.logic-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.logic-icon {
    font-size: 18px;
}

/* Four dimensions grid */
.logic-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.logic-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.logic-card-header {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: var(--space-xs);
}

.logic-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Logic table */
.logic-table {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.logic-table-row {
    display: grid;
    grid-template-columns: 80px 1fr 1fr;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
    align-items: center;
}

.logic-table-row:last-child {
    border-bottom: none;
}

.logic-table-row.header {
    background: var(--bg-card);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.logic-table-cell {
    font-size: 13px;
}

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

.condition-cell {
    color: var(--text-secondary);
}

.meaning-cell {
    color: var(--text-tertiary);
}

.star-display {
    font-family: var(--font-mono);
    font-size: 14px;
}

.star-display.gold {
    color: var(--star-gold);
}

.star-display.dim {
    color: var(--star-gold);
    opacity: 0.6;
}

.star-display.muted {
    color: var(--text-muted);
}

/* Logic flags */
.logic-flags {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.logic-flag {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.flag-badge {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    flex-shrink: 0;
}

.flag-badge.pick {
    background: var(--accent);
    color: var(--bg-void);
}

.flag-badge.fly {
    background: var(--success);
    color: var(--bg-void);
}

.flag-badge.exposure {
    background: #f59e0b;
    color: var(--bg-void);
}

.flag-info strong {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.flag-info p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Logic note */
.logic-note {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.logic-note p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.logic-note ul {
    list-style: none;
    margin-left: var(--space-md);
}

.logic-note li {
    font-size: 12px;
    color: var(--text-tertiary);
    padding: 4px 0;
    position: relative;
}

.logic-note li::before {
    content: "•";
    position: absolute;
    left: -12px;
    color: var(--accent);
}

/* Logic tips */
.logic-tips {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.tip-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

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

.tip-from {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    min-width: 50px;
    text-align: center;
}

.tip-from.gold {
    color: var(--star-gold);
}

.tip-from.dim {
    color: var(--star-gold);
    opacity: 0.5;
}

.tip-from.dim2 {
    color: var(--star-gold);
    opacity: 0.7;
}

.tip-from.muted {
    color: var(--text-muted);
}

.tip-arrow {
    color: var(--text-muted);
    font-size: 14px;
}

.tip-action {
    font-size: 13px;
    color: var(--text-secondary);
}

/* === Download Section === */
.download-section {
    padding: var(--space-2xl) 0;
}

.download-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.download-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.download-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), #00a080);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
}

.download-icon img {
    width: 40px;
    height: 40px;
}

.download-meta h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 2px;
}

.download-version {
    font-size: 12px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

.download-links {
    display: flex;
    gap: var(--space-sm);
}

.requirements {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 12px;
    color: var(--text-muted);
}

/* === Team Section === */
.team-section {
    padding: var(--space-2xl) 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.team-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
}

.team-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.team-role {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.team-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.team-desc {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* === Tools Section === */
.tools-section {
    padding: var(--space-2xl) 0;
    background: var(--bg-void);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
}

.tool-item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.tool-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.tool-desc {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* === Footer === */
footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--border-subtle);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-tertiary);
    font-size: 14px;
}

.footer-brand img {
    width: 24px;
    height: 24px;
    opacity: 0.6;
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-brand-text span:first-child {
    font-weight: 500;
    color: var(--text-secondary);
}

.footer-author {
    font-size: 11px;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-subtle);
}

.credits, .copyright {
    font-size: 11px;
    color: var(--text-muted);
}

/* === Language Toggle === */
.lang-cn, .lang-en {
    display: none;
}

[data-lang="cn"] .lang-cn {
    display: block;
}

[data-lang="en"] .lang-en {
    display: block;
}

/* Inline variants */
.rating-name .lang-cn,
.rating-name .lang-en,
.rating-desc .lang-cn,
.rating-desc .lang-en,
.badge .lang-cn,
.badge .lang-en {
    display: none;
}

[data-lang="cn"] .rating-name .lang-cn,
[data-lang="cn"] .rating-desc .lang-cn,
[data-lang="cn"] .badge .lang-cn {
    display: inline;
}

[data-lang="en"] .rating-name .lang-en,
[data-lang="en"] .rating-desc .lang-en,
[data-lang="en"] .badge .lang-en {
    display: inline;
}

/* Tool items inline language */
.tool-name .lang-cn,
.tool-name .lang-en,
.tool-desc .lang-cn,
.tool-desc .lang-en {
    display: none;
}

[data-lang="cn"] .tool-name .lang-cn,
[data-lang="cn"] .tool-desc .lang-cn {
    display: inline;
}

[data-lang="en"] .tool-name .lang-en,
[data-lang="en"] .tool-desc .lang-en {
    display: inline;
}

/* Team items inline language */
.team-role .lang-cn,
.team-role .lang-en,
.team-name .lang-cn,
.team-name .lang-en,
.team-desc .lang-cn,
.team-desc .lang-en {
    display: none;
}

[data-lang="cn"] .team-role .lang-cn,
[data-lang="cn"] .team-name .lang-cn,
[data-lang="cn"] .team-desc .lang-cn {
    display: inline;
}

[data-lang="en"] .team-role .lang-en,
[data-lang="en"] .team-name .lang-en,
[data-lang="en"] .team-desc .lang-en {
    display: inline;
}

/* Logic section inline language */
.logic-title .lang-cn,
.logic-title .lang-en,
.logic-card-header .lang-cn,
.logic-card-header .lang-en,
.logic-card p .lang-cn,
.logic-card p .lang-en,
.logic-table-cell .lang-cn,
.logic-table-cell .lang-en,
.star-display .lang-cn,
.star-display .lang-en,
.flag-badge .lang-cn,
.flag-badge .lang-en,
.flag-info strong .lang-cn,
.flag-info strong .lang-en,
.flag-info p .lang-cn,
.flag-info p .lang-en,
.logic-note p .lang-cn,
.logic-note p .lang-en,
.logic-note li .lang-cn,
.logic-note li .lang-en,
.tip-from .lang-cn,
.tip-from .lang-en,
.tip-action .lang-cn,
.tip-action .lang-en {
    display: none;
}

[data-lang="cn"] .logic-title .lang-cn,
[data-lang="cn"] .logic-card-header .lang-cn,
[data-lang="cn"] .logic-card p .lang-cn,
[data-lang="cn"] .logic-table-cell .lang-cn,
[data-lang="cn"] .star-display .lang-cn,
[data-lang="cn"] .flag-badge .lang-cn,
[data-lang="cn"] .flag-info strong .lang-cn,
[data-lang="cn"] .flag-info p .lang-cn,
[data-lang="cn"] .logic-note p .lang-cn,
[data-lang="cn"] .logic-note li .lang-cn,
[data-lang="cn"] .tip-from .lang-cn,
[data-lang="cn"] .tip-action .lang-cn {
    display: inline;
}

[data-lang="en"] .logic-title .lang-en,
[data-lang="en"] .logic-card-header .lang-en,
[data-lang="en"] .logic-card p .lang-en,
[data-lang="en"] .logic-table-cell .lang-en,
[data-lang="en"] .star-display .lang-en,
[data-lang="en"] .flag-badge .lang-en,
[data-lang="en"] .flag-info strong .lang-en,
[data-lang="en"] .flag-info p .lang-en,
[data-lang="en"] .logic-note p .lang-en,
[data-lang="en"] .logic-note li .lang-en,
[data-lang="en"] .tip-from .lang-en,
[data-lang="en"] .tip-action .lang-en {
    display: inline;
}

/* === Responsive === */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero {
        padding: 120px 0 var(--space-xl);
    }

    .hero h1 {
        font-size: 40px;
        letter-spacing: -1px;
    }

    .tagline {
        font-size: 16px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .rating-row {
        flex-wrap: wrap;
    }

    .rating-badges {
        width: 100%;
        margin-top: var(--space-sm);
    }

    /* Logic section responsive */
    .logic-grid {
        grid-template-columns: 1fr;
    }

    .logic-table-row {
        grid-template-columns: 60px 1fr;
        gap: var(--space-sm);
    }

    .logic-table-row.header .meaning-cell,
    .logic-table-row .meaning-cell {
        display: none;
    }

    .logic-flag {
        flex-direction: column;
        align-items: flex-start;
    }

    .tip-item {
        flex-wrap: wrap;
    }

    .tip-action {
        width: 100%;
        margin-top: var(--space-xs);
    }

    .download-card {
        flex-direction: column;
        text-align: center;
    }

    .download-info {
        flex-direction: column;
    }

    .download-links {
        width: 100%;
        flex-direction: column;
    }

    .download-links .btn {
        max-width: none;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-inner {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
    }

    .footer-brand-text {
        align-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xs);
    }
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge,
.hero h1,
.tagline,
.hero-cta {
    animation: fadeInUp 0.6s ease-out backwards;
}

.hero-badge { animation-delay: 0.1s; }
.hero h1 { animation-delay: 0.2s; }
.tagline { animation-delay: 0.3s; }
.hero-cta { animation-delay: 0.4s; }

.feature-card {
    animation: fadeInUp 0.5s ease-out backwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.15s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.25s; }

/* === Smooth scroll offset for fixed header === */
:target {
    scroll-margin-top: 80px;
}