/* ========================================
   Life in Weeks Website - Tech/Matrix Theme
   ======================================== */

:root {
    /* Matrix Green Palette */
    --matrix-green: #00ff41;
    --matrix-green-dim: #00cc33;
    --matrix-green-bright: #00ff88;
    --matrix-green-dark: #003311;
    
    /* Dark Backgrounds */
    --bg-primary: #0a0a0a;
    --bg-secondary: #0d0d0d;
    --bg-tertiary: #111111;
    --bg-elevated: #1a1a1a;
    
    /* Text Colors */
    --text-primary: #e0e0e0;
    --text-secondary: #00ff41;
    --text-muted: #666666;
    --text-dim: #333333;
    
    /* Accents */
    --accent: #00ff41;
    --accent-glow: rgba(0, 255, 65, 0.3);
    --accent-bright: #00ff88;
    
    /* Typography */
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-sans: 'Inter', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    
    /* Effects */
    --glow: 0 0 20px var(--accent-glow);
    --glow-strong: 0 0 40px var(--accent-glow);
}

/* ========================================
   Base Styles
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

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

/* Matrix Canvas Background */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

/* Container */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
}

/* ========================================
   Header
   ======================================== */

.header {
    text-align: center;
    padding: var(--space-2xl) 0;
    animation: fadeInDown 0.8s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.logo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    padding: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--matrix-green-dim);
    border-radius: 6px;
    box-shadow: var(--glow);
}

.logo-grid .dot {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.logo-grid .dot.past {
    background: var(--matrix-green-dim);
}

.logo-grid .dot.current {
    background: var(--matrix-green);
    box-shadow: 0 0 10px var(--matrix-green);
    animation: pulse 2s infinite;
}

.logo-grid .dot.future {
    background: transparent;
    border: 1px solid var(--matrix-green-dark);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--matrix-green);
    text-shadow: 0 0 20px var(--accent-glow);
    letter-spacing: 0.05em;
}

.tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    font-weight: 300;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid var(--matrix-green);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--matrix-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: 44px; /* Touch-friendly minimum size */
    -webkit-tap-highlight-color: rgba(0, 255, 65, 0.2);
}

.btn:hover {
    background: var(--matrix-green);
    color: var(--bg-primary);
    box-shadow: var(--glow-strong);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--matrix-green);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--matrix-green-bright);
    border-color: var(--matrix-green-bright);
}

.btn-secondary {
    border-color: var(--text-muted);
    color: var(--text-muted);
}

.btn-secondary:hover {
    border-color: var(--matrix-green);
    color: var(--matrix-green);
}

.btn-download {
    font-size: 1rem;
    padding: var(--space-md) var(--space-xl);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding: var(--space-2xl) 0;
    text-align: center;
    animation: fadeIn 1s ease 0.2s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--matrix-green);
    margin-bottom: var(--space-md);
    text-shadow: 0 0 30px var(--accent-glow);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-primary);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 8px;
    min-width: 150px;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--matrix-green);
    text-shadow: 0 0 15px var(--accent-glow);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Product Showcase
   ======================================== */

.product-showcase {
    margin: var(--space-2xl) 0;
    padding: var(--space-2xl) 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.showcase-container {
    max-width: 1200px;
    width: 100%;
    padding: 0 var(--space-md);
    position: relative;
}

.product-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 2px solid var(--matrix-green-dark);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-glow);
    transition: all 0.3s ease;
    display: block;
    margin: 0 auto;
}

.product-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.6), 0 0 40px var(--accent-glow);
    border-color: var(--matrix-green);
}

/* ========================================
   Sections
   ======================================== */

section {
    margin: var(--space-2xl) 0;
    padding: var(--space-xl) 0;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--matrix-green);
    text-align: center;
    margin-bottom: var(--space-xl);
    text-shadow: 0 0 20px var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   Features Grid
   ======================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.feature-card {
    padding: var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--matrix-green);
    box-shadow: var(--glow);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
    display: block;
}

.feature-card h3 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--matrix-green);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-card p {
    color: var(--text-primary);
    line-height: 1.7;
}

/* ========================================
   Download Section
   ======================================== */

.download {
    background: var(--bg-secondary);
    padding: var(--space-2xl);
    border-radius: 12px;
    border: 1px solid var(--matrix-green-dark);
}

.download-tabs {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.tab-btn {
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: transparent;
    border: 1px solid var(--matrix-green-dark);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: 44px; /* Touch-friendly minimum size */
    -webkit-tap-highlight-color: rgba(0, 255, 65, 0.2);
}

.tab-btn:hover {
    border-color: var(--matrix-green);
    color: var(--matrix-green);
}

.tab-btn.active {
    background: var(--matrix-green);
    color: var(--bg-primary);
    border-color: var(--matrix-green);
    box-shadow: var(--glow);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.tab-description {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

.platform-selector {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.platform-btn {
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: var(--bg-elevated);
    border: 1px solid var(--matrix-green-dark);
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    min-height: 40px; /* Touch-friendly minimum size */
    -webkit-tap-highlight-color: rgba(0, 255, 65, 0.2);
}

.platform-btn:hover {
    border-color: var(--matrix-green);
    color: var(--matrix-green);
}

.platform-btn.active {
    border-color: var(--matrix-green);
    color: var(--matrix-green);
    background: var(--bg-tertiary);
}

.platform-instructions {
    display: none;
}

.platform-instructions.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.platform-instructions h3 {
    font-family: var(--font-mono);
    color: var(--matrix-green);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.download-buttons {
    text-align: center;
    margin-top: var(--space-xl);
}

/* GUI Downloads */
.gui-downloads {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xl);
    background: var(--bg-elevated);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    text-align: center;
    min-height: 44px; /* Touch-friendly */
    -webkit-tap-highlight-color: rgba(0, 255, 65, 0.2);
}

.download-card:hover {
    border-color: var(--matrix-green);
    box-shadow: var(--glow);
    transform: translateY(-4px);
}

.download-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.download-card h3 {
    font-family: var(--font-mono);
    color: var(--matrix-green);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
}

.download-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.download-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--matrix-green);
    color: var(--bg-primary);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
}

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

.download-note {
    text-align: center;
    margin-top: var(--space-lg);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.download-note a {
    color: var(--matrix-green);
    text-decoration: none;
    transition: all 0.3s ease;
}

.download-note a:hover {
    color: var(--matrix-green-bright);
    text-shadow: 0 0 10px var(--accent-glow);
}

.download-card.recommended {
    border-color: var(--matrix-green);
    box-shadow: var(--glow);
    position: relative;
}


/* ========================================
   Code Blocks
   ======================================== */

.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 6px;
    padding: var(--space-md);
    margin: var(--space-md) 0;
    overflow-x: auto;
    position: relative;
}

.code-block::before {
    content: '>';
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    color: var(--matrix-green);
    font-family: var(--font-mono);
    font-weight: 700;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--matrix-green);
    line-height: 1.8;
    display: block;
    padding-left: var(--space-lg);
    white-space: pre;
}

.code-block code br {
    line-height: 1.8;
}

/* ========================================
   Tutorial Section
   ======================================== */

.tutorial-section {
    margin: var(--space-2xl) 0;
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 12px;
}

.tutorial-title {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--matrix-green);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tutorial-icon {
    font-size: 1.8rem;
}

.tutorial-step {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--bg-elevated);
    border-left: 3px solid var(--matrix-green);
    border-radius: 4px;
}

.tutorial-step h4 {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--matrix-green);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tutorial-step p {
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.tutorial-list {
    list-style: none;
    padding-left: 0;
    margin: var(--space-md) 0;
}

.tutorial-list li {
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    color: var(--text-primary);
    position: relative;
    line-height: 1.8;
}

.tutorial-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--matrix-green);
    font-weight: 700;
}

.tutorial-list li strong {
    color: var(--matrix-green);
    font-family: var(--font-mono);
}

/* ========================================
   Platform Notes
   ======================================== */

.platform-notes {
    margin: var(--space-2xl) 0;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.note-card {
    padding: var(--space-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--matrix-green-dark);
    border-radius: 8px;
}

.note-card h3 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    color: var(--matrix-green);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.note-card ul {
    list-style: none;
    padding-left: 0;
}

.note-card li {
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    color: var(--text-primary);
    position: relative;
    line-height: 1.7;
}

.note-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--matrix-green);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    text-align: center;
    padding: var(--space-2xl) 0;
    margin-top: var(--space-2xl);
    border-top: 1px solid var(--matrix-green-dark);
    color: var(--text-muted);
}

.footer p {
    margin: var(--space-sm) 0;
}

.footer a {
    color: var(--matrix-green);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--matrix-green-bright);
    text-shadow: 0 0 10px var(--accent-glow);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.footer-links span {
    color: var(--text-dim);
}

/* Support Button */
.support-section {
    margin-bottom: var(--space-xl);
    display: flex;
    justify-content: center;
    align-items: center;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: linear-gradient(135deg, #8B6914 0%, #B8860B 100%);
    color: #0a0a0a;
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid #B8860B;
    box-shadow: 0 4px 20px rgba(184, 134, 11, 0.2), 0 0 20px rgba(139, 105, 20, 0.15);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    animation: pulse-glow 2s ease-in-out infinite;
}

.support-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.5s ease;
}

.support-btn:hover::before {
    left: 100%;
}

.support-btn:hover {
    transform: translateY(-3px) scale(1.05);
    background: linear-gradient(135deg, #9B7A1F 0%, #C8960C 100%);
    box-shadow: 0 6px 30px rgba(184, 134, 11, 0.3), 0 0 25px rgba(139, 105, 20, 0.2);
    border-color: #C8960C;
}

.support-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.3));
    animation: bounce 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(184, 134, 11, 0.2), 0 0 20px rgba(139, 105, 20, 0.15);
    }
    50% {
        box-shadow: 0 4px 25px rgba(184, 134, 11, 0.25), 0 0 25px rgba(139, 105, 20, 0.2);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Support Message (Post-Download) */
.support-message {
    position: fixed;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    transition: bottom 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 90%;
    width: 500px;
}

.support-message.show {
    bottom: 30px;
}

.support-message-content {
    background: var(--bg-elevated);
    border: 2px solid var(--matrix-green);
    border-radius: 12px;
    padding: var(--space-lg);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-glow);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    position: relative;
    animation: slideUpBounce 0.5s ease-out;
}

@keyframes slideUpBounce {
    0% {
        transform: translateY(20px);
        opacity: 0;
    }
    60% {
        transform: translateY(-5px);
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.support-message-text {
    flex: 1;
    margin: 0;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.5;
    min-width: 200px;
}

.support-btn-inline {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.support-close {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: var(--space-xs);
    width: 44px; /* Touch-friendly size */
    height: 44px; /* Touch-friendly size */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: rgba(0, 255, 65, 0.2);
}

.support-close:hover {
    color: var(--matrix-green);
    background: rgba(0, 255, 65, 0.1);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    /* Container and spacing */
    .container {
        padding: var(--space-sm);
    }
    
    /* Header */
    .header {
        padding: var(--space-xl) 0;
    }
    
    .header h1 {
        font-size: 1.75rem;
    }
    
    .tagline {
        font-size: 1rem;
        padding: 0 var(--space-sm);
    }
    
    .header-buttons {
        flex-direction: column;
        gap: var(--space-sm);
        width: 100%;
        padding: 0 var(--space-sm);
    }
    
    .header-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .logo {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    /* Hero section */
    .hero {
        padding: var(--space-xl) 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
        padding: 0 var(--space-sm);
    }
    
    .hero-description {
        font-size: 1rem;
        padding: 0 var(--space-sm);
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
        padding: 0 var(--space-sm);
    }
    
    .stat {
        width: 100%;
        max-width: 250px;
    }
    
    /* Product Showcase */
    .product-showcase {
        margin: var(--space-xl) 0;
        padding: var(--space-xl) 0;
    }
    
    .showcase-container {
        padding: 0 var(--space-sm);
    }
    
    .product-image {
        border-radius: 8px;
    }
    
    /* Sections */
    section {
        margin: var(--space-xl) 0;
        padding: var(--space-lg) 0;
    }
    
    .section-title {
        font-size: 1.5rem;
        padding: 0 var(--space-sm);
    }
    
    /* Features and notes grids */
    .features-grid,
    .notes-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: 0 var(--space-sm);
    }
    
    .feature-card {
        padding: var(--space-md);
    }
    
    /* Download section */
    .download {
        padding: var(--space-lg) var(--space-md);
        margin: 0 var(--space-sm);
    }
    
    .download-tabs {
        flex-wrap: wrap;
        gap: var(--space-xs);
    }
    
    .tab-btn {
        font-size: 0.85rem;
        padding: var(--space-xs) var(--space-md);
        flex: 1;
        min-width: 120px;
    }
    
    .platform-selector {
        flex-wrap: wrap;
        gap: var(--space-xs);
    }
    
    .platform-btn {
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-sm);
        flex: 1;
        min-width: 80px;
    }
    
    .download-buttons {
        flex-direction: column;
        gap: var(--space-sm);
        padding: 0 var(--space-sm);
    }
    
    .download-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .gui-downloads {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: 0 var(--space-sm);
    }
    
    .download-card {
        padding: var(--space-lg);
    }
    
    /* Code blocks */
    .code-block {
        padding: var(--space-sm);
        margin: var(--space-sm) 0;
        overflow-x: auto;
        font-size: 0.75rem;
    }
    
    .code-block code {
        font-size: 0.75rem;
        padding-left: var(--space-md);
    }
    
    .code-block::before {
        top: var(--space-sm);
        left: var(--space-sm);
    }
    
    /* Tutorial section */
    .tutorial-section {
        padding: var(--space-md);
        margin: var(--space-lg) var(--space-sm);
    }
    
    .tutorial-title {
        font-size: 1.2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .tutorial-step {
        padding: var(--space-md);
        margin: var(--space-lg) 0;
    }
    
    .tutorial-step h4 {
        font-size: 1rem;
    }
    
    /* Support button */
    .support-section {
        padding: 0 var(--space-sm);
    }
    
    .support-btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.9rem;
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    /* Footer */
    .footer {
        padding: var(--space-xl) var(--space-sm);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--space-xs);
        padding: 0 var(--space-sm);
    }
    
    .footer-links span {
        display: none;
    }
    
    .footer a {
        display: block;
        padding: var(--space-xs) 0;
    }
    
    /* Support message */
    .support-message {
        width: calc(100% - 20px);
        max-width: none;
        left: 10px;
        transform: none;
    }
    
    .support-message.show {
        bottom: 20px;
    }
    
    .support-message-content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding: var(--space-md);
    }
    
    .support-message-text {
        margin-bottom: var(--space-sm);
        min-width: auto;
        font-size: 0.9rem;
    }
    
    .support-btn-inline {
        width: 100%;
        justify-content: center;
        font-size: 0.85rem;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 1.3rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .support-btn {
        font-size: 0.85rem;
        padding: var(--space-xs) var(--space-md);
    }
    
    .code-block code {
        font-size: 0.7rem;
    }
}

/* ========================================
   Scroll Animations
   ======================================== */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: slideInUp 0.6s ease both;
}

section:nth-child(2) { animation-delay: 0.1s; }
section:nth-child(3) { animation-delay: 0.2s; }
section:nth-child(4) { animation-delay: 0.3s; }
section:nth-child(5) { animation-delay: 0.4s; }
section:nth-child(6) { animation-delay: 0.5s; }