/* ========== CSS Variables & Reset ========== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b85;
    --accent-primary: #8b5cf6;
    --accent-secondary: #6366f1;
    --accent-tertiary: #a855f7;
    --accent-glow: rgba(139, 92, 246, 0.3);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(139, 92, 246, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    color: inherit;
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

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

/* ========== Navbar ========== */
.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, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

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

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

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    font-size: 0.85rem;
}

.lang-toggle:hover {
    border-color: var(--border-hover);
    background: rgba(139, 92, 246, 0.1);
}

.btn-github {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    font-size: 0.85rem;
}

.btn-github:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

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

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(139, 92, 246, 0.12) 0%, transparent 70%),
                radial-gradient(ellipse 60% 50% at 70% 60%, rgba(168, 85, 247, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 30% 70%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
}

#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 50px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.25);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title-main {
    display: block;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-accent {
    display: block;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary), #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    color: #fff;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.6);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 1; }
    50% { transform: rotate(45deg) translate(5px, 5px); opacity: 0.5; }
}

/* ========== Sections Common ========== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========== Features Section ========== */
.features {
    background: var(--bg-secondary);
}

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

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

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
    opacity: 0;
    transition: var(--transition);
}

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

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

.feature-icon {
    margin-bottom: 20px;
}

.icon-bg {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: rgba(139, 92, 246, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

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

.feature-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== Platforms Section ========== */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
}

.platform-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.platform-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.platform-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.platform-card p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ========== Android Section ========== */
.android {
    background: var(--bg-secondary);
}

.android-badge {
    display: inline-block;
    margin-bottom: 16px;
}

.android-badge span {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(168, 85, 247, 0.15));
    border: 1px solid rgba(139, 92, 246, 0.3);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
}

.android-showcase {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 48px;
}

/* Phone Mockup */
.phone-mockup {
    perspective: 1000px;
}

.phone-frame {
    width: 320px;
    height: 640px;
    border-radius: 36px;
    border: 3px solid rgba(139, 92, 246, 0.3);
    background: #0d0d15;
    padding: 12px;
    position: relative;
    box-shadow: 0 0 60px rgba(139, 92, 246, 0.15), var(--shadow-lg);
    margin: 0 auto;
}

.phone-notch {
    width: 120px;
    height: 28px;
    background: #000;
    border-radius: 0 0 16px 16px;
    margin: 0 auto 8px;
    position: relative;
}

.phone-notch::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #1a1a2e;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

.phone-screen {
    background: linear-gradient(180deg, #0f0f18 0%, #16161f 100%);
    border-radius: 24px;
    height: calc(100% - 20px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.screen-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.screen-logo {
    font-size: 1.3rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

.screen-header span:last-child {
    font-weight: 600;
    font-size: 0.95rem;
}

.screen-messages {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
}

.msg {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.msg-ai .msg-bubble {
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.msg-user {
    justify-content: flex-end;
}

.msg-user .msg-bubble-user {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    border-radius: 16px 16px 4px 16px;
    padding: 10px 16px;
    font-size: 0.78rem;
    max-width: 85%;
    line-height: 1.5;
}

.msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.msg-bubble {
    border-radius: 16px 16px 16px 4px;
    padding: 10px 14px;
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-secondary);
    max-width: 85%;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 4px 0;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-4px); }
}

.screen-input {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    gap: 8px;
}

.screen-input input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 8px 16px;
    color: var(--text-muted);
    font-size: 0.78rem;
    outline: none;
}

.send-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* Android Features */
.android-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.android-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.android-feature:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.android-feature-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.android-feature h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.android-feature p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

/* ========== Models Section ========== */
.models-marquee {
    overflow: hidden;
    position: relative;
    padding: 20px 0;
}

.models-marquee::before,
.models-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.models-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-primary), transparent);
}

.models-marquee::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-primary), transparent);
}

.models-track {
    display: flex;
    gap: 16px;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.models-track:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.model-chip {
    padding: 12px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
}

.model-chip:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

/* ========== Use Cases Section ========== */
.usecases {
    background: var(--bg-secondary);
}

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

.usecase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

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

.usecase-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.usecase-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* ========== Install Section ========== */
.install-tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.install-tab {
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.install-tab.active,
.install-tab:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.install-panels {
    max-width: 700px;
    margin: 0 auto;
}

.install-panel {
    display: none;
}

.install-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.code-block {
    background: #0d0d15;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.copy-btn {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.code-block pre {
    padding: 20px;
    overflow-x: auto;
}

.code-block code {
    color: #a78bfa;
    font-size: 0.95rem;
    line-height: 1.6;
}

.install-steps {
    display: flex;
    gap: 24px;
    margin-top: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.step {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.install-note {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding: 16px 20px;
    background: rgba(234, 179, 8, 0.05);
    border: 1px solid rgba(234, 179, 8, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.note-icon {
    flex-shrink: 0;
}

/* ========== Commands Section ========== */
.commands-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.command-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition);
}

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

.command-cmd code {
    display: block;
    font-size: 0.9rem;
    color: #a78bfa;
    margin-bottom: 6px;
    font-weight: 600;
}

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

/* ========== CTA Section ========== */
.cta {
    background: var(--bg-secondary);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

/* ========== Footer ========== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 12px 0 16px;
    line-height: 1.6;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    border-color: var(--border-hover);
    background: rgba(139, 92, 246, 0.1);
}

.footer-links h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 6px 0;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

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

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .platforms-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .android-showcase {
        grid-template-columns: 1fr;
    }
    
    .phone-mockup {
        display: flex;
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .usecases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .commands-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .android-download {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .install-steps {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .usecases-grid {
        grid-template-columns: 1fr;
    }
    
    .commands-grid {
        grid-template-columns: 1fr;
    }
    
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========== Scroll Animations ========== */
.feature-card,
.platform-card,
.usecase-card,
.command-card,
.android-feature {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card.visible,
.platform-card.visible,
.usecase-card.visible,
.command-card.visible,
.android-feature.visible {
    opacity: 1;
    transform: translateY(0);
}