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

:root {
    --bg-dark: #0a0a0e;
    --bg-card: rgba(20, 20, 28, 0.6);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-glow: #8b5cf6;
    --accent-neon: #a78bfa;
    --terminal-bg: #1e1e2e;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
.bg-gradient {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.1), transparent 40%),
                radial-gradient(circle at bottom left, rgba(56, 189, 248, 0.05), transparent 40%);
    z-index: -2;
}

#particle-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: -1;
    opacity: 0.5;
}

.glow-orb {
    position: fixed;
    width: 500px; height: 500px;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -2;
    opacity: 0.3;
}
.orb-1 { top: -100px; right: -100px; background: #8b5cf6; }
.orb-2 { bottom: -100px; left: -100px; background: #0ea5e9; }

/* Navigation */
.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(10, 10, 14, 0.5);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.github-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.github-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 6rem 1rem 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.badge {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-neon);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.hero-title {
    font-family: 'Outfit', sans-serif;
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, #a78bfa 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 3rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}

.primary-btn, .secondary-btn {
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.primary-btn {
    background: var(--accent-glow);
    color: white;
    border: none;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.primary-btn:hover {
    background: #9f7aea;
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
    transform: translateY(-2px);
}

.secondary-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-card);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.secondary-btn code {
    font-family: 'JetBrains Mono', monospace;
    color: #e2e8f0;
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.copy-icon {
    width: 16px; height: 16px;
    color: var(--text-secondary);
}

/* Terminal Mockup */
.terminal-container {
    width: 100%;
    max-width: 700px;
    background: var(--terminal-bg);
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    text-align: left;
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.dots {
    display: flex;
    gap: 6px;
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transform: translateX(-20px);
}

.terminal-body {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.code-line { margin-bottom: 0.5rem; }
.prompt { color: var(--accent-neon); margin-right: 0.5rem; }
.output { color: var(--text-secondary); }
.success { color: #4ade80; margin-top: 1rem; }
.file { color: #93c5fd; padding-left: 1rem; }
.cursor { animation: blink 1s step-end infinite; }

@keyframes blink { 50% { opacity: 0; } }

/* Sections */
.features, .sdk-demo {
    padding: 6rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: -1px;
}
.section-title.text-left { text-align: left; margin-bottom: 1rem; }

/* Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 10px 30px -10px rgba(139, 92, 246, 0.2);
}

.feature-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 1.5rem;
    color: var(--accent-neon);
    background: rgba(139, 92, 246, 0.1);
    padding: 8px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* SDK Demo Layout */
.sdk-demo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.benefit-list {
    list-style: none;
}
.benefit-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
}
.benefit-list svg { width: 24px; height: 24px; }

.code-window {
    padding: 0;
    overflow: hidden;
}

.code-header {
    background: rgba(0,0,0,0.2);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.code-window pre {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #e2e8f0;
}

.keyword { color: #f472b6; }
.built_in { color: #38bdf8; }
.string { color: #a3e635; }
.comment { color: #64748b; font-style: italic; }

/* Footer CTA */
.footer-cta {
    text-align: center;
    padding: 6rem 1rem;
    background: linear-gradient(to top, rgba(139, 92, 246, 0.05), transparent);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-cta h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.glow-btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.footer-note {
    margin-top: 3rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Delay load for terminal output */
.delay-load {
    opacity: 0;
}

@media (max-width: 900px) {
    .sdk-demo { grid-template-columns: 1fr; }
    .hero-title { font-size: 3.5rem; }
}