/* ============================================
   RepoVerse - Main Stylesheet
   Modern Dark Theme with Glassmorphism
   ============================================ */

/* CSS Custom Properties */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: rgba(20, 20, 30, 0.6);
    --bg-card-hover: rgba(30, 30, 45, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    --text-accent: #ff7c7c;

    --accent-primary: #ff7c7c;
    --accent-secondary: #ff9e9e;
    --accent-glow: rgba(255, 124, 124, 0.3);
    --accent-glow-strong: rgba(255, 124, 124, 0.5);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);

    --gradient-hero: linear-gradient(135deg, #ff7c7c 0%, #c0392b 50%, #2d0909 100%);
    --gradient-text: linear-gradient(50deg, #fffefe, #2d0909);
    --gradient-glow: radial-gradient(circle, rgba(255, 124, 124, 0.15) 0%, transparent 70%);

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(255, 124, 124, 0.2);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --navbar-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: #fed6d6;
    color: #471919;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

/* Grid Overlay */
.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 124, 124, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 124, 124, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* Glow Blobs */
.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 124, 124, 0.3), transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 69, 69, 0.25), transparent 70%);
    bottom: 10%;
    right: -5%;
    animation-delay: -7s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 100, 100, 0.2), transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

/* Particles */
.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255, 124, 124, 0.6);
    border-radius: 50%;
    animation: particleFloat linear infinite;
    box-shadow: 0 0 6px rgba(255, 124, 124, 0.8);
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) translateX(50px); opacity: 0; }
}

/* Floating Cards */
.floating-cards {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.float-card {
    position: absolute;
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-md), 0 0 20px rgba(255, 124, 124, 0.1);
    animation: cardFloat linear infinite;
    opacity: 0.85;
}

.float-card .card-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.float-card .card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.float-card .card-lang {
    display: flex;
    align-items: center;
    gap: 4px;
}

.float-card .card-lang-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
}

.float-card .card-stars {
    display: flex;
    align-items: center;
    gap: 3px;
}

.float-card .card-stars svg {
    width: 12px;
    height: 12px;
    fill: #f1c40f;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(1deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
    75% { transform: translateY(-25px) rotate(0.5deg); }
}

/* Mouse Glow */
.mouse-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 124, 124, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--navbar-height);
    transition: var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.3rem;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    color: var(--accent-primary);
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

.nav-search-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-search-btn:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-login {
    margin-left: 8px;
}

.nav-cta {
    background: var(--accent-primary);
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
    margin-left: 8px;
}

.nav-cta:hover {
    background: var(--accent-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.nav-cta::after {
    display: none !important;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   SEARCH MODAL
   ============================================ */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 640px;
    margin: 0 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: translateY(-20px);
    transition: var(--transition-normal);
}

.search-modal.active .search-box {
    transform: translateY(0);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.search-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-shortcut {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    border: 1px solid var(--border-color);
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px 0;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    color: var(--text-primary);
}

.search-result-item:hover {
    background: var(--bg-glass-hover);
}

.search-result-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.search-result-info {
    flex: 1;
    min-width: 0;
}

.search-result-title {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-result-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
    flex-shrink: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(var(--navbar-height) + 40px) 24px 80px;
    text-align: center;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #2ecc71;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.title-gradient {
    background: linear-gradient(50deg, #fffefe 0%, #ff7c7c 50%, #2d0909 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 40px;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease 0.5s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-normal);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--accent-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255, 124, 124, 0.3);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 124, 124, 0.4);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    animation: fadeInUp 0.6s ease 0.6s both;
}

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

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* ============================================
   HERO CODE WINDOW
   ============================================ */
.hero-code-window {
    position: relative;
    max-width: 560px;
    width: 100%;
    margin: 60px auto 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(255, 124, 124, 0.08);
    animation: fadeInUp 0.6s ease 0.7s both;
    transform: perspective(1000px) rotateX(2deg);
    transition: var(--transition-normal);
}

.hero-code-window:hover {
    transform: perspective(1000px) rotateX(0deg);
    box-shadow: var(--shadow-lg), 0 0 80px rgba(255, 124, 124, 0.12);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.code-dots {
    display: flex;
    gap: 8px;
}

.code-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-filename {
    flex: 1;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-align: center;
}

.code-actions {
    display: flex;
    gap: 8px;
}

.code-action-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
}

.code-action-btn:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.code-body {
    padding: 20px 24px;
    overflow-x: auto;
}

.code-content {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    text-align: left;
    overflow-x: auto;
}

.code-content code {
    display: block;
}

.code-keyword { color: #c678dd; }
.code-variable { color: #e06c75; }
.code-operator { color: #56b6c2; }
.code-class { color: #e5c07b; }
.code-punctuation { color: #abb2bf; }
.code-string { color: #98c379; }
.code-function { color: #61afef; }
.code-property { color: #e06c75; }
.code-comment { color: #5c6370; font-style: italic; }

.code-glow {
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(255, 124, 124, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    position: relative;
    z-index: 2;
    padding: 120px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--accent-primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), 0 0 30px rgba(255, 124, 124, 0.08);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: 20px;
    transition: var(--transition-fast);
}

.feature-card:hover .feature-icon {
    background: var(--accent-primary);
    color: #fff;
    box-shadow: 0 0 20px rgba(255, 124, 124, 0.3);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    position: relative;
    z-index: 2;
    padding: 120px 24px;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 20px;
}

.about-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, #a0a0b0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.about-stats {
    display: flex;
    gap: 40px;
}

.about-stat {
    text-align: left;
}

.about-stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.about-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    transform: rotate(-2deg);
    transition: var(--transition-normal);
}

.about-card:hover {
    transform: rotate(0deg) scale(1.02);
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.about-card-dots {
    display: flex;
    gap: 8px;
}

.about-card-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
}

.about-card-dots span:nth-child(1) { background: #ff5f56; }
.about-card-dots span:nth-child(2) { background: #ffbd2e; }
.about-card-dots span:nth-child(3) { background: #27c93f; }

.about-card-header span:last-child {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.about-card-body {
    padding: 20px 24px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 2;
}

.code-line {
    display: flex;
    gap: 16px;
}

.line-num {
    color: var(--text-muted);
    user-select: none;
    min-width: 24px;
    text-align: right;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    padding: 60px 24px 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.footer-logo .logo-icon {
    width: 24px;
    height: 24px;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 6px 0;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

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

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-stats {
        justify-content: center;
    }

    .about-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        width: 100%;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link, .nav-cta, .nav-login {
        margin: 0;
        width: 100%;
        text-align: center;
        padding: 12px !important;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .about-stats {
        flex-direction: column;
        gap: 24px;
        align-items: center;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero {
        padding: calc(var(--navbar-height) + 20px) 16px 60px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .features {
        padding: 80px 16px;
    }

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

    .about {
        padding: 80px 16px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}