:root {
    --bg-dark: #000000;
    --bg-surface: #0a0a0a;
    --primary: #0066FF;
    --primary-glow: rgba(0, 102, 255, 0.4);
    --accent: #00ff66;
    --accent-glow: rgba(0, 255, 102, 0.3);
    
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    --card-bg: rgba(255, 255, 255, 0.02);
    
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

/* Background Effects */
.glow-orb {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
    top: -300px;
    left: -200px;
    z-index: -1;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.7;
    animation: pulse 10s infinite alternate;
}
.orb-2 {
    top: 30%;
    left: 60%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    animation-delay: -5s;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.1); opacity: 0.8; }
}

/* Typography Utilities */
.accent { color: var(--accent); }
.primary { color: var(--primary); }
.section-sub { 
    text-align: center; 
    color: var(--text-muted); 
    margin-bottom: 4rem; 
    font-size: 1.125rem;
    max-width: 600px;
    margin-inline: auto;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}
.logo span { color: var(--primary); }
.links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s var(--ease-out);
}
.links a:hover { color: var(--text-main); }

/* Hero Section */
.hero {
    text-align: center;
    padding: 8rem 5% 6rem;
    max-width: 900px;
    margin: 0 auto;
}
.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}
.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-inline: auto;
}

/* Buttons */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 5rem;
}
.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 9999px; /* Pill shape for modern look */
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s var(--ease-out);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn.primary {
    background-color: var(--text-main);
    color: var(--bg-dark);
}
.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255,255,255,0.2);
}
.btn.secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border);
}
.btn.secondary:hover {
    border-color: var(--text-main);
    background-color: var(--card-bg);
}

/* Terminal Mac-style */
.terminal {
    background: #050505;
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8), 0 0 0 1px rgba(255,255,255,0.05);
}
.terminal-header {
    background: #111;
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
}
.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }
.title {
    margin: 0 auto;
    color: #666;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
}
.terminal-body {
    padding: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
}
.prompt { color: var(--primary); margin-right: 12px; }
.success { color: var(--accent); margin: 6px 0 16px 0; display: flex; align-items: center;}
.info { color: var(--text-muted); margin-left: 20px;}

/* Grid / Cards */
.features {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}
.features h2 {
    text-align: center;
    font-size: 2.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.04);
}
.card:hover::before { opacity: 1; }

.icon {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 12px;
    background: rgba(255,255,255,0.03);
    border-radius: 12px;
    border: 1px solid var(--border);
}
.card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}
.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Installation */
.installation {
    padding: 5rem 5%;
    max-width: 1000px;
    margin: 0 auto;
}
.installation h2 {
    text-align: center;
    font-size: 2.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
}
.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}
.install-card {
    background: transparent;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
}
.install-card h3 {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}
.install-card code {
    display: block;
    background: #000;
    padding: 1rem 1.2rem;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-main);
    font-size: 0.85rem;
    border: 1px solid var(--border);
    word-break: break-all;
}

/* Roadmap */
.roadmap {
    padding: 8rem 5% 5rem;
    max-width: 800px;
    margin: 0 auto;
}
.roadmap h2 {
    text-align: center;
    font-size: 2.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}
.timeline {
    position: relative;
    border-left: 1px solid var(--border);
    padding-left: 2.5rem;
    margin-top: 4rem;
    margin-left: 1rem;
}
.timeline-item {
    margin-bottom: 4rem;
    position: relative;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-item .marker {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 2px solid var(--border);
    left: -2.85rem; 
    top: 6px;
    transition: all 0.3s;
}
.timeline-item.done .marker {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}
.timeline-item.active .marker {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}
.timeline-item h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}
.timeline-item p {
    color: var(--text-muted);
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5rem;
}
footer a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
}
footer a:hover { color: var(--primary); }

/* Animation Classes added via JS */
.fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}