/* ========================================
   ULAK Website - Modern Landing Page
   ======================================== */

/* CSS Variables */
:root {
    --primary: #00b4d8;
    --primary-dark: #0096c7;
    --primary-light: #48cae4;
    --primary-glow: rgba(0, 180, 216, 0.3);
    --accent: #3b4880;
    --accent-dark: #2d3561;
    --bg-dark: #0a0e1a;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --bg-surface: #0f1629;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(0, 180, 216, 0.3);
    --green: #10b981;
    --orange: #f59e0b;
    --purple: #8b5cf6;
    --pink: #ec4899;
    --teal: #14b8a6;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-logo-img {
    width: 36px;
    height: 36px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 180, 216, 0.4);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-download {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: var(--transition);
}

.btn-download:hover {
    background: rgba(0, 180, 216, 0.15);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 180, 216, 0.2);
}

.btn-download small {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

.btn-download strong {
    font-size: 1rem;
    display: block;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.hero-blob-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    opacity: 0.15;
}

.hero-blob-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
    opacity: 0.2;
}

.hero-blob-3 {
    width: 300px;
    height: 300px;
    background: var(--purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.08;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 180, 216, 0.1);
    border: 1px solid rgba(0, 180, 216, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--primary), var(--teal));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-stat svg {
    color: var(--primary);
}

/* Hero Visual - Device Mockups */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-device-group {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.device-desktop {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: visible;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.device-ui {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.device-screen {
    padding: 0;
}

.device-stand {
    width: 80px;
    height: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: none;
    margin: 0 auto;
    border-radius: 0 0 8px 8px;
}

.device-ui {
    background: var(--bg-surface);
}

.ui-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 600;
}

.ui-logo {
    width: 20px;
    height: 20px;
}

.ui-body {
    padding: 14px;
}

.ui-device-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.ui-device-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.ui-device-icon {
    font-size: 1.2rem;
}

.ui-device-name {
    font-size: 0.8rem;
    font-weight: 600;
}

.ui-device-status {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.ui-device-status.online {
    color: var(--green);
}

.ui-transfer {
    padding: 10px 12px;
    background: rgba(0, 180, 216, 0.08);
    border: 1px solid rgba(0, 180, 216, 0.15);
    border-radius: 8px;
}

.ui-transfer-file {
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.ui-progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
}

.ui-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--teal));
    border-radius: 3px;
    width: 0%;
    animation: progress-animate 3s ease-in-out infinite;
}

@keyframes progress-animate {
    0% { width: 0%; }
    50% { width: 85%; }
    100% { width: 100%; }
}

.ui-transfer-speed {
    font-size: 0.7rem;
    color: var(--primary-light);
    text-align: right;
}

.ui-link-share {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    padding: 6px 10px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 6px;
    animation: link-pulse 3s ease-in-out infinite;
}

@keyframes link-pulse {
    0%, 100% { border-color: rgba(59, 130, 246, 0.15); }
    50% { border-color: rgba(59, 130, 246, 0.4); }
}

.ui-link-svg {
    flex-shrink: 0;
}

.ui-link-text {
    font-size: 0.6rem;
    color: #60a5fa;
    font-family: 'Courier New', monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: -0.02em;
}

/* Phone Device */
.device-phone {
    position: absolute;
    right: -30px;
    bottom: -20px;
    width: 140px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    animation: float-phone 4s ease-in-out infinite;
}

@keyframes float-phone {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.ui-header-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    font-size: 0.7rem;
    font-weight: 700;
}

.ui-logo-sm {
    width: 14px;
    height: 14px;
}

.ui-body-phone {
    padding: 12px 10px;
}

.ui-received {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 6px;
}

.ui-received-icon {
    font-size: 0.9rem;
}

.ui-received-text {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--green);
}

/* Transfer Arrows */
.transfer-arrows {
    position: absolute;
    right: 80px;
    bottom: 50px;
    display: flex;
    gap: 4px;
}

.arrow {
    font-size: 1.5rem;
    color: var(--primary);
    opacity: 0;
    animation: arrow-flow 1.5s ease-in-out infinite;
}

.arrow-1 { animation-delay: 0s; }
.arrow-2 { animation-delay: 0.3s; }
.arrow-3 { animation-delay: 0.6s; }

@keyframes arrow-flow {
    0% { opacity: 0; transform: translateX(-10px); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translateX(10px); }
}

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    padding: 60px 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-card {
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========================================
   Section Commons
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ========================================
   Features Section
   ======================================== */
.features-section {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 216, 0.1);
    border-radius: 12px;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.feature-icon-green { background: rgba(16, 185, 129, 0.1); }
.feature-icon-green svg { color: var(--green); }
.feature-icon-orange { background: rgba(245, 158, 11, 0.1); }
.feature-icon-orange svg { color: var(--orange); }
.feature-icon-purple { background: rgba(139, 92, 246, 0.1); }
.feature-icon-purple svg { color: var(--purple); }
.feature-icon-pink { background: rgba(236, 72, 153, 0.1); }
.feature-icon-pink svg { color: var(--pink); }
.feature-icon-teal { background: rgba(20, 184, 166, 0.1); }
.feature-icon-teal svg { color: var(--teal); }
.feature-icon-blue { background: rgba(59, 130, 246, 0.1); }
.feature-icon-blue svg { color: #3b82f6; }
.feature-icon-cyan { background: rgba(6, 182, 212, 0.1); }
.feature-icon-cyan svg { color: #06b6d4; }

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-section {
    padding: 100px 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.step-card {
    text-align: center;
    padding: 40px 32px;
    position: relative;
    flex: 1;
    max-width: 280px;
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 1rem;
    font-weight: 800;
    border-radius: 50%;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.step-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 216, 0.08);
    border: 1px solid rgba(0, 180, 216, 0.15);
    border-radius: 16px;
    margin: 0 auto 20px;
}

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

.step-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    display: flex;
    align-items: center;
    position: relative;
    width: 80px;
    height: 2px;
}

.connector-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0.3;
}

.connector-dot {
    position: absolute;
    right: 0;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

/* ========================================
   Yerli & Milli Section
   ======================================== */
.milli-section {
    padding: 100px 0;
}

.milli-card {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 48px 56px;
    background: linear-gradient(135deg, rgba(227, 10, 23, 0.06), rgba(227, 10, 23, 0.02), var(--bg-card));
    border: 1px solid rgba(227, 10, 23, 0.15);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.milli-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #E30A17, #E30A17 50%, white 50%, white);
}

.milli-flag {
    flex-shrink: 0;
}

.flag-crescent svg {
    width: 140px;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(227, 10, 23, 0.3));
    transition: var(--transition);
}

.milli-card:hover .flag-crescent svg {
    filter: drop-shadow(0 8px 30px rgba(227, 10, 23, 0.4));
    transform: scale(1.05);
}

.milli-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.milli-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.milli-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.milli-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(227, 10, 23, 0.08);
    border: 1px solid rgba(227, 10, 23, 0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #ff6b6b;
    transition: var(--transition);
}

.milli-tag:hover {
    background: rgba(227, 10, 23, 0.15);
    border-color: rgba(227, 10, 23, 0.3);
}

.milli-tag svg {
    color: #E30A17;
}

@media (max-width: 768px) {
    .milli-card {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
        gap: 24px;
    }

    .milli-card::before {
        width: 100%;
        height: 4px;
        left: 0;
        top: 0;
        background: linear-gradient(90deg, #E30A17, #E30A17 50%, white 50%, white);
    }

    .milli-tags {
        justify-content: center;
    }

    .milli-title {
        font-size: 1.6rem;
    }

    .flag-crescent svg {
        width: 100px;
    }
}

/* ========================================
   Platforms Section
   ======================================== */
.platforms-section {
    padding: 100px 0;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.platform-card {
    padding: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    text-align: center;
}

.platform-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.platform-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 216, 0.1);
    border-radius: 16px;
    margin: 0 auto 20px;
}

.platform-icon svg {
    width: 32px;
    height: 32px;
    color: var(--primary);
}

.platform-icon-linux { background: rgba(245, 158, 11, 0.1); }
.platform-icon-linux svg { color: var(--orange); }
.platform-icon-android { background: rgba(16, 185, 129, 0.1); }
.platform-icon-android svg { color: var(--green); }

.platform-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.platform-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.platform-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.platform-tag {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ========================================
   Download Section
   ======================================== */
.download-section {
    padding: 100px 0;
}

.download-card {
    position: relative;
    padding: 80px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    text-align: center;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.download-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.download-blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: -200px;
    left: -100px;
    opacity: 0.12;
}

.download-blob-2 {
    width: 300px;
    height: 300px;
    background: var(--purple);
    bottom: -150px;
    right: -50px;
    opacity: 0.1;
}

.download-content {
    position: relative;
    z-index: 1;
}

.download-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    animation: float-phone 4s ease-in-out infinite;
}

.download-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.download-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
}

.download-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--primary);
    border-color: var(--border-hover);
    background: rgba(0, 180, 216, 0.1);
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   Animations
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.features-grid .feature-card:nth-child(1) { transition-delay: 0s; }
.features-grid .feature-card:nth-child(2) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(3) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(4) { transition-delay: 0.3s; }
.features-grid .feature-card:nth-child(5) { transition-delay: 0.1s; }
.features-grid .feature-card:nth-child(6) { transition-delay: 0.2s; }
.features-grid .feature-card:nth-child(7) { transition-delay: 0.3s; }
.features-grid .feature-card:nth-child(8) { transition-delay: 0.4s; }

.stats-grid .stat-card:nth-child(1) { transition-delay: 0s; }
.stats-grid .stat-card:nth-child(2) { transition-delay: 0.1s; }
.stats-grid .stat-card:nth-child(3) { transition-delay: 0.2s; }
.stats-grid .stat-card:nth-child(4) { transition-delay: 0.3s; }

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.8rem;
    }

    .hero-container {
        gap: 40px;
    }

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

    .milli-card {
        gap: 32px;
        padding: 40px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 14, 26, 0.95);
        backdrop-filter: blur(20px);
        padding: 16px;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        margin: 0 auto 32px;
    }

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

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

    .hero-visual {
        order: -1;
    }

    .hero-device-group {
        max-width: 360px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .steps-grid {
        flex-direction: column;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        flex-direction: column;
    }

    .connector-line {
        width: 2px;
        height: 100%;
        background: linear-gradient(180deg, var(--primary), transparent);
    }

    .connector-dot {
        right: auto;
        bottom: 0;
    }

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

    .download-card {
        padding: 50px 24px;
    }

    .download-content h2 {
        font-size: 1.6rem;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }
}