:root {
    --black: #000000;
    --white: #ffffff;
    --gray-100: #0a0a0a;
    --gray-200: #111111;
    --gray-300: #1a1a1a;
    --gray-400: #262626;
    --gray-500: #404040;
    --gray-600: #525252;
    --gray-700: #737373;
    --gray-800: #a3a3a3;
    --gray-900: #d4d4d4;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}
::selection { background-color: var(--white); color: var(--black); }
.navbar {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    padding: 1.5rem 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent);
    backdrop-filter: blur(20px);
}
.nav-container {
    max-width: 1400px; margin: 0 auto; padding: 0 2rem;
    display: flex; justify-content: space-between; align-items: center;
}
.logo {
    display: flex; align-items: center; gap: 0.5rem;
    text-decoration: none; color: var(--white);
    font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em;
}
.logo-icon { font-size: 1.75rem; opacity: 0.9; }
.nav-links { display: flex; gap: 2.5rem; align-items: center; }
.nav-links a {
    color: var(--gray-700); text-decoration: none; font-size: 0.875rem;
    font-weight: 500; letter-spacing: 0.01em;
    transition: color 0.3s var(--ease-out-quart);
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
    background-color: var(--white); color: var(--black);
    padding: 0.75rem 1.5rem; border-radius: 100px; text-decoration: none;
    font-size: 0.875rem; font-weight: 600;
    transition: all 0.3s var(--ease-out-expo);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 0 30px rgba(255,255,255,0.3); }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { width: 24px; height: 2px; background-color: var(--white); transition: 0.3s; }
.hero {
    min-height: 100vh; display: flex; flex-direction: column;
    justify-content: center; align-items: center; position: relative;
    padding: 8rem 2rem 4rem; overflow: hidden;
}
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; }
#networkCanvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.gradient-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(ellipse at center, transparent 0%, var(--black) 70%);
    pointer-events: none;
}
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 900px; animation: fadeInUp 1s var(--ease-out-expo) 0.2s backwards; }
.badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1rem; background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 100px;
    font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
    margin-bottom: 2rem; color: var(--gray-700);
}
.hero-title {
    font-family: 'Space Grotesk', sans-serif; font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 1.5rem;
}
.hero-title .line { display: block; }
.hero-title .line:last-child {
    background: linear-gradient(90deg, var(--white) 0%, var(--gray-700) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem); color: var(--gray-700);
    max-width: 550px; margin: 0 auto 2.5rem; line-height: 1.7;
}
.highlight { color: var(--white); border-bottom: 1px solid rgba(255,255,255,0.3); }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn {
    padding: 1rem 2rem; font-size: 0.875rem; font-weight: 600; letter-spacing: 0.01em;
    border-radius: 100px; cursor: pointer; transition: all 0.3s var(--ease-out-expo);
    text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; border: none;
}
.btn-primary { background-color: var(--white); color: var(--black); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(255,255,255,0.2); }
.btn-secondary { background-color: transparent; color: var(--white); border: 1px solid var(--gray-500); }
.btn-secondary:hover { border-color: var(--white); background-color: rgba(255,255,255,0.05); }
.scroll-indicator { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 0.75rem; color: var(--gray-700); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; }
.mouse { width: 24px; height: 40px; border: 2px solid var(--gray-600); border-radius: 12px; display: flex; justify-content: center; padding-top: 8px; }
.wheel { width: 4px; height: 8px; background-color: var(--gray-500); border-radius: 2px; animation: scroll 2s ease-in-out infinite; }
@keyframes scroll { 0%, 100% { transform: translateY(0); opacity: 1; } 50% { transform: translateY(8px); opacity: 0.3; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; }
.features { padding: 8rem 0; background-color: var(--gray-100); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gray-600); margin-bottom: 1rem; border: 1px solid var(--gray-400); padding: 0.5rem 1rem; border-radius: 100px; }
.section-title { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 1.5rem; }
.feature-card { background: var(--gray-200); border: 1px solid var(--gray-400); border-radius: 16px; padding: 2rem; transition: all 0.4s var(--ease-out-expo); position: relative; overflow: hidden; }
.feature-card:hover { transform: translateY(-4px); border-color: var(--gray-500); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.feature-number { position: absolute; top: 1.5rem; right: 1.5rem; font-size: 0.75rem; font-weight: 600; color: var(--gray-600); letter-spacing: 0.1em; }
.feature-icon { width: 56px; height: 56px; background: var(--gray-300); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; color: var(--white); }
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; letter-spacing: -0.01em; }
.feature-card p { color: var(--gray-700); font-size: 0.9375rem; line-height: 1.7; }
.visualization { padding: 8rem 0; background-color: var(--black); }
.viz-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.viz-text h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1rem; }
.viz-text p { color: var(--gray-700); font-size: 1.0625rem; line-height: 1.8; margin-bottom: 2rem; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.feature-list li { display: flex; align-items: center; gap: 0.75rem; color: var(--gray-800); font-size: 0.9375rem; }
.check { color: var(--white); font-weight: 700; }
.viz-demo { display: flex; justify-content: center; align-items: center; }
.demo-container { position: relative; width: 400px; height: 300px; }
.demo-node { position: absolute; width: 16px; height: 16px; background: var(--white); border-radius: 50%; animation: pulse 2s ease-in-out infinite; animation-delay: var(--delay); }
.demo-node:nth-child(1) { top: 20px; left: 50%; transform: translateX(-50%); }
.demo-node:nth-child(2) { top: 100px; left: 80px; }
.demo-node:nth-child(3) { top: 100px; right: 80px; }
.demo-node:nth-child(4) { bottom: 60px; left: 120px; }
.demo-node:nth-child(5) { bottom: 60px; right: 120px; }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; box-shadow: 0 0 20px rgba(255,255,255,0.5); } 50% { transform: scale(1.2); opacity: 0.8; box-shadow: 0 0 40px rgba(255,255,255,0.8); } }
.demo-connections { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.demo-connections svg { width: 100%; height: 100%; }
.connection { stroke: rgba(255,255,255,0.2); stroke-width: 2; animation: dash 3s ease-in-out infinite; }
@keyframes dash { 0%, 100% { opacity: 0.2; } 50% { opacity: 0.6; } }
.stats { padding: 6rem 0; background-color: var(--gray-100); border-top: 1px solid var(--gray-400); border-bottom: 1px solid var(--gray-400); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; text-align: center; }
.stat-item { padding: 2rem; }
.stat-number { font-family: 'Space Grotesk', sans-serif; font-size: clamp(2.5rem, 5vw, 3.5rem); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 0.5rem; background: linear-gradient(180deg, var(--white) 0%, var(--gray-600) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 0.875rem; color: var(--gray-700); text-transform: uppercase; letter-spacing: 0.1em; }
.cta { padding: 8rem 0; background-color: var(--black); }
.cta-box { position: relative; background: var(--gray-100); border: 1px solid var(--gray-400); border-radius: 24px; padding: 4rem; overflow: hidden; }
.cta-grid { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px); background-size: 40px 40px; }
.cta-content { position: relative; z-index: 1; text-align: center; max-width: 600px; margin: 0 auto; }
.cta-content h2 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 1rem; }
.cta-content p { color: var(--gray-700); margin-bottom: 2rem; }
.waitlist-form { display: flex; gap: 0.75rem; max-width: 450px; margin: 0 auto 1rem; }
.waitlist-form input { flex: 1; padding: 1rem 1.5rem; background: var(--black); border: 1px solid var(--gray-400); border-radius: 100px; color: var(--white); font-size: 0.9375rem; outline: none; transition: all 0.3s; }
.waitlist-form input:focus { border-color: var(--gray-500); box-shadow: 0 0 0 3px rgba(255,255,255,0.1); }
.waitlist-form input::placeholder { color: var(--gray-600); }
.form-note { font-size: 0.8125rem; color: var(--gray-600); }
.footer { 
    padding: 5rem 0 2rem; 
    background-color: var(--gray-100); 
    border-top: 1px solid var(--gray-400); 
}
.footer-content { 
    display: grid; 
    grid-template-columns: 2fr 1fr 1fr 1fr; 
    gap: 3rem; 
    margin-bottom: 3rem; 
    align-items: start;
}
.footer-brand .logo { 
    display: inline-flex; 
    margin-bottom: 1rem;
    color: var(--white);
}
.footer-brand p { 
    color: var(--gray-700); 
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 280px;
}
.footer-col { 
    display: flex; 
    flex-direction: column; 
    gap: 0.75rem; 
}
.footer-col h4 { 
    font-size: 0.875rem; 
    font-weight: 600; 
    color: var(--white); 
    margin-bottom: 0.5rem; 
    letter-spacing: 0.02em; 
    text-transform: uppercase;
}
.footer-col a { 
    color: var(--gray-700); 
    text-decoration: none; 
    font-size: 0.875rem; 
    transition: all 0.3s ease;
    padding: 0.25rem 0;
}
.footer-col a:hover { 
    color: var(--white); 
    transform: translateX(4px);
}
.footer-bottom { 
    padding-top: 2rem; 
    border-top: 1px solid var(--gray-400); 
    text-align: center; 
}
.footer-bottom p { 
    color: var(--gray-600); 
    font-size: 0.875rem; 
}
@media (max-width: 1024px) { .viz-content { grid-template-columns: 1fr; gap: 3rem; } .demo-container { width: 300px; height: 225px; } .footer-content { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .nav-links, .nav-cta { display: none; } .mobile-menu-btn { display: flex; } .hero-title { font-size: 2rem; } .hero-cta { flex-direction: column; width: 100%; } .hero-cta .btn { width: 100%; justify-content: center; } .features, .stats { padding: 4rem 0; } .features-grid { grid-template-columns: 1fr; } .stats-grid { grid-template-columns: 1fr; gap: 1rem; } .waitlist-form { flex-direction: column; } .cta-box { padding: 2rem; } .footer-content { 
        grid-template-columns: 1fr; 
        gap: 2.5rem; 
        text-align: center;
    }
    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer-brand p {
        max-width: 100%;
    }
    .footer-col {
        align-items: center;
    }
    .footer-col a:hover {
        transform: none;
    } }