/* JetBrains Mono (monospace) */
@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/jetbrains-mono-v24-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('/fonts/jetbrains-mono-v24-latin-700.woff2') format('woff2');
}

/* Outfit (display) */
@font-face {
    font-family: 'Outfit';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('/fonts/outfit-v15-latin-regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Outfit';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('/fonts/outfit-v15-latin-600.woff2') format('woff2');
}

@font-face {
    font-family: 'Outfit';
    font-style: normal;
    font-weight: 800;
    font-display: swap;
    src: url('/fonts/outfit-v15-latin-800.woff2') format('woff2');
}

/* Design tokens: Clever Coyote — dark teal + sage green */
:root {
    /* ---------------------------------------------------------------
       Background System (Dark Teal-Black)
       --------------------------------------------------------------- */
    --bg-primary: #0a1014;        /* Almost-black dark teal */
    --bg-secondary: #0f1820;      /* Slightly lighter for layers */
    --bg-card: #141e26;           /* Card surfaces */
    --bg-card-hover: #1a2830;     /* Card hover state */
    
    /* ---------------------------------------------------------------
       Sage Green Palette (Primary Brand Color)
       --------------------------------------------------------------- */
    --sage-300: #95b895;          /* Lightest sage for links */
    --sage-400: #7fa07f;          /* Lighter sage for hover */
    --sage-500: #6b8f6b;          /* Main sage green */
    --sage-600: #5a7d5a;          /* Darker sage for active/pressed */
    
    /* ---------------------------------------------------------------
       Accent Colors
       --------------------------------------------------------------- */
    /* Primary accent: Sage green */
    --accent-primary: var(--sage-500);
    --accent-primary-hover: var(--sage-400);
    --accent-primary-dark: var(--sage-600);
    
    /* Secondary accent: Neon green glow */
    --accent-glow: #90ee90;       /* Bright neon green for glows */
    --accent-glow-rgb: 144, 238, 144;
    
    /* Tertiary: Limited cyan (data orb) - use sparingly */
    --accent-cyan: #4dd4d4;       /* Cyan from the data orb */
    --accent-cyan-rgb: 77, 212, 212;
    
    /* Functional colors */
    --accent-warning: #d4a855;    /* Muted gold-yellow */
    --accent-danger: #d45f5f;     /* Muted red */
    --accent-success: #6fbf6f;    /* Success green (sage-adjacent) */
    
    /* ---------------------------------------------------------------
       Text Colors
       --------------------------------------------------------------- */
    --text-primary: #d0d4d0;      /* Off-white with slight green tint */
    --text-secondary: #8a9a8a;     /* Muted grey-green */
    --text-muted: #5a6a5a;         /* Very muted grey-green */
    --text-inverse: #0a1014;       /* Dark text on light backgrounds */
    
    /* ---------------------------------------------------------------
       Gradients & Effects
       --------------------------------------------------------------- */
    --gradient-accent: linear-gradient(135deg, var(--sage-500), var(--sage-400));
    --gradient-glow: radial-gradient(ellipse at center, rgba(var(--accent-glow-rgb), 0.08) 0%, transparent 70%);
    --gradient-orb: radial-gradient(circle, rgba(var(--accent-cyan-rgb), 0.3) 0%, rgba(var(--accent-glow-rgb), 0.1) 50%, transparent 70%);
    
    /* Glow shadows */
    --glow-sage: 0 0 20px rgba(107, 143, 107, 0.4);
    --glow-neon: 0 0 30px rgba(var(--accent-glow-rgb), 0.3);
    --glow-cyan: 0 0 20px rgba(var(--accent-cyan-rgb), 0.3);
    
    /* ---------------------------------------------------------------
       Typography
       --------------------------------------------------------------- */
    --font-display: 'Outfit', -apple-system, sans-serif;
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* ---------------------------------------------------------------
       Spacing Scale
       --------------------------------------------------------------- */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* ---------------------------------------------------------------
       Border Radius
       --------------------------------------------------------------- */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;
    
    /* ---------------------------------------------------------------
       Transitions
       --------------------------------------------------------------- */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #080d10;
    background-image: 
        linear-gradient(rgba(144, 238, 144, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(144, 238, 144, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: #080d10;
    background-image: 
        linear-gradient(rgba(144, 238, 144, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(144, 238, 144, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
    min-height: 100vh;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
}

.content {
    min-width: 0; /* Prevents grid overflow */
}

/* Header / hero */
.hero {
    background: transparent;
    padding: var(--space-xl) 0;
    text-align: center;
    position: relative;
}

.hero::before {
    content: none;
}

.brand-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-secondary);
}

.brand-icon {
    font-size: 1.5rem;
}

.hero-orb {
    width: 120px;
    height: 120px;
    margin: var(--space-lg) auto var(--space-md);
    background: var(--gradient-orb);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    animation: float 3s ease-in-out infinite;
}

.hero-orb-inner {
    font-size: 3rem;
    filter: drop-shadow(0 0 20px rgba(var(--accent-cyan-rgb), 0.5));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    /* Sage green gradient text */
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    color: initial; /* Fallback for browsers that don't support background-clip */
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.sarcasm-box {
    background: var(--bg-card);
    border: 1px solid rgba(107, 143, 107, 0.2);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-top: var(--space-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.sarcasm-highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ---------------------------------------------------------------
   SKIP LINK (Accessibility)
   --------------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: var(--text-inverse);
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
    top: 0;
}

/* Version detector */
.detector {
    background: var(--bg-card);
    border: 1px solid rgba(107, 143, 107, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.detector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.detector-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.detector-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.detector-helper-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

.detector-helper-subtext {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.detector-input-group {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.detector-input {
    flex: 1;
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: 1rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(107, 143, 107, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.detector-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(107, 143, 107, 0.1);
}

.detector-btn {
    padding: var(--space-md) var(--space-lg);
    min-height: 44px;
    min-width: 44px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    background: var(--accent-primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.detector-btn:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow-sage);
}

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

.detector-error {
    color: var(--accent-danger);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
    display: none;
}

.detector-error.show {
    display: block;
}

.detector-result {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--accent-primary);
    display: none;
}

.detector-result.show {
    display: block;
}

/* Tabs */
.download-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    border-bottom: 2px solid rgba(107, 143, 107, 0.2);
}

.download-tab {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-bottom: -2px;
}

.download-tab:hover {
    color: var(--text-primary);
    background: rgba(107, 143, 107, 0.05);
}

.download-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: rgba(107, 143, 107, 0.1);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Download cards */
.download-section {
    margin-bottom: var(--space-lg);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.versions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.versions-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.version-search-input {
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(107, 143, 107, 0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    min-width: 200px;
    transition: var(--transition-fast);
}

.version-search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(107, 143, 107, 0.1);
}

.versions-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.version-card {
    background: var(--bg-card);
    border: 1px solid rgba(107, 143, 107, 0.3);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: var(--transition-base);
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-md);
}

.version-card:hover {
    border-color: var(--accent-primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow-sage);
}

.version-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.version-number {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.version-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.version-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    font-family: var(--font-mono);
    flex-shrink: 0;
    align-self: flex-start;
}

.badge-latest {
    background: rgba(107, 143, 107, 0.2);
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.badge-lts {
    background: rgba(212, 168, 85, 0.2);
    color: var(--accent-warning);
    border: 1px solid var(--accent-warning);
}

.badge-legacy {
    background: rgba(138, 154, 138, 0.2);
    color: var(--text-secondary);
    border: 1px solid var(--text-secondary);
}

.version-download-btn {
    padding: var(--space-sm) var(--space-md);
    min-height: 44px;
    min-width: 120px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    background: transparent;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    align-self: flex-start;
}

.version-download-btn:hover {
    background: var(--accent-primary);
    color: var(--text-inverse);
    transform: translateY(-1px);
}


/* SHA256 checksum display */
.version-checksum {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    word-break: break-all;
    overflow-wrap: break-word;
    line-height: 1.4;
}

.version-checksum span {
    font-weight: 600;
    margin-right: var(--space-xs);
    color: var(--text-secondary);
    display: inline-block;
}

.version-checksum code {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    word-break: break-all;
    overflow-wrap: break-word;
    display: block;
    margin-top: var(--space-xs);
    line-height: 1.5;
    max-width: 100%;
    box-sizing: border-box;
}

/* Instructions */
.instructions {
    background: var(--bg-card);
    border: 1px solid rgba(107, 143, 107, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    transition: none;
    display: flex;
    flex-direction: column;
}

.instructions h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.instruction-step {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(107, 143, 107, 0.1);
}

.instruction-step:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: var(--text-inverse);
    font-family: var(--font-mono);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-top: 2px;
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

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

.step-content code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--accent-primary);
}

/* Sidebar */

.sidebar-box {
    background: var(--bg-card);
    border: 1px solid rgba(107, 143, 107, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.sidebar-box.support-box h4,
.sidebar-box.support-box p {
    color: var(--text-primary) !important;
}

.sidebar-box-border {
    border: 1px solid rgba(107, 143, 107, 0.15);
}

.sidebar-box-gradient {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(107, 143, 107, 0.08) 100%);
}

.sidebar-h4-sm {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.sidebar-list {
    list-style: none;
}

.sidebar-list li {
    margin-bottom: var(--space-sm);
}

.sidebar-link {
    color: var(--sage-300);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-block;
}

.sidebar-link:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

.sidebar-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.sidebar-text-small {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--space-md);
}

.sidebar-text-muted {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.sidebar-text-italic {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: var(--space-sm);
}

.sidebar-details {
    margin-top: var(--space-sm);
}

.sidebar-summary {
    cursor: pointer;
    color: var(--sage-300);
    font-size: 0.85rem;
    user-select: none;
}

.sidebar-summary:hover {
    color: var(--accent-primary);
}

.sidebar-details-content {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(107, 143, 107, 0.1);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.sidebar-kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border: 1px solid rgba(107, 143, 107, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--accent-primary);
}

.sidebar-kbd-lg {
    display: inline-block;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border: 1px solid rgba(107, 143, 107, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--accent-primary);
    font-weight: 600;
}

.underline-text {
    text-decoration: underline;
}

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

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(107, 143, 107, 0.15);
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: var(--space-xl);
}

.footer-signoff {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.signoff-message {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.signoff-submessage {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.coffee-link-footer {
    color: var(--sage-600);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.coffee-link-footer:hover {
    color: var(--sage-500);
    text-decoration: underline;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-left {
    flex: 1;
    min-width: 200px;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-block;
    margin-bottom: var(--space-sm);
}

.footer-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.footer-small {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
    display: block;
}

.link-sage {
    color: var(--sage-300);
    text-decoration: none;
    transition: var(--transition-fast);
}

.link-sage:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

.link-accent {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.link-accent:hover {
    color: var(--accent-primary-hover);
    text-decoration: underline;
}

/* FAQ */
.faq-section {
    margin-bottom: var(--space-xl);
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid rgba(107, 143, 107, 0.15);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: rgba(107, 143, 107, 0.2);
}

.faq-item.open {
    border-color: var(--accent-primary);
}

.faq-question {
    width: 100%;
    padding: var(--space-lg);
    min-height: 44px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.faq-question:hover {
    background: rgba(107, 143, 107, 0.05);
    color: var(--accent-primary);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.faq-item.open .faq-question::after {
    content: '-';
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 2000px;
}

.faq-answer-content {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-answer-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.faq-answer-content code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
    color: var(--accent-primary);
}

.faq-answer-content a {
    color: var(--accent-primary);
    text-decoration: none;
}

.faq-answer-content a:hover {
    text-decoration: underline;
}

/* Toast notification */
.download-toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--glow-sage);
    max-width: 400px;
    z-index: 1000;
    display: none;
    animation: slideInUp 0.3s ease;
}

.download-toast.visible {
    display: block;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.download-toast-close {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.download-toast-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.download-toast-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.download-toast-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.download-toast-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.download-toast-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.download-toast-subtitle a {
    color: var(--accent-primary);
    text-decoration: none;
}

.download-toast-subtitle a:hover {
    text-decoration: underline;
}

/* ---------------------------------------------------------------
   SCROLL ANIMATIONS � Fade-in on scroll (Option 1)
   --------------------------------------------------------------- */
.scroll-fade {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------------------------------------------------------------
   ACCESSIBILITY
   --------------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus indicators */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.download-btn-primary:focus-visible,
.coffee-btn:focus-visible,
.faq-question:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.download-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    min-height: 44px;
    min-width: 44px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    background: var(--accent-primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-align: center;
}

.download-btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow-sage);
}

.coffee-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    min-height: 44px;
    min-width: 44px;
    background: linear-gradient(135deg, #c9a84c, #d4b85a);
    color: var(--text-inverse);
    font-weight: 700;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-base);
}

.coffee-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 168, 76, 0.3);
    background: linear-gradient(135deg, #d4b85a, #dfc86a);
}

/* Responsive breakpoints */

/* Tablet and below (968px) - Main layout becomes single column */
@media (max-width: 968px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        order: 2;
    }
}

/* Tablet-specific (768px) - Intermediate breakpoint for smoother transitions */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
    
    /* Version cards remain single column on tablets */
    
    /* Adjust hero padding for tablets */
    .hero {
        padding: var(--space-xl) 0;
    }
}

/* Mobile-specific fixes for horizontal overflow (640px) */
@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    /* Ensure all elements respect viewport width */
    * {
        max-width: 100%;
    }
    
    /* Prevent long text from causing overflow */
    code, pre, .checksum-value {
        word-break: break-all;
        overflow-wrap: break-word;
    }
    
    /* Ensure buttons and links don't overflow and maintain touch targets */
    .download-btn-primary,
    .version-download-btn,
    .detector-btn,
    .coffee-btn {
        width: 100%;
        box-sizing: border-box;
        min-height: 44px; /* Ensure touch targets on mobile */
    }
    
    /* Version cards: Stack vertically on mobile */
    .version-card {
        flex-direction: column;
        align-items: stretch;
    }
    
    .version-card .version-badge,
    .version-card .version-download-btn {
        align-self: stretch;
        width: 100%;
    }
    
    /* Sidebar adjustments for mobile */
    .sidebar {
        margin-top: var(--space-xl);
    }
    
    .sidebar-box {
        padding: var(--space-md);
    }
    
    /* .versions-grid already uses flex column - no change needed */
    
    .versions-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .version-search-input {
        width: 100%;
    }
    
    .download-tabs {
        flex-wrap: wrap;
    }
    
    .download-tab {
        flex: 1;
        min-width: 120px;
    }
    
    .detector-input-group {
        flex-direction: column;
    }
    
    .detector-btn {
        width: 100%;
    }
    
    .download-toast {
        right: var(--space-md);
        left: var(--space-md);
        max-width: none;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .scroll-fade {
        opacity: 1;
        transform: none;
    }
}