:root {
    --sc-bg: #050505;
    --sc-surface: #0a0a0a;
    --sc-surface-elevated: #111;
    --sc-border: rgba(255,255,255,0.08);
    --sc-border-mid: rgba(255,255,255,0.15);
    --sc-text-dim: #555;
    --sc-text: #888;
    --sc-text-bright: #e4e4e4;
    --sc-white: #fff;
    --sc-teal: #177486;
    --sc-teal-light: #7cc1b1;
    --sc-teal-glow: rgba(23,116,134,0.3);
    --sc-font: 'Inter', -apple-system, sans-serif;
    --sc-mono: 'JetBrains Mono', 'Menlo', 'Consolas', monospace;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--sc-font);
    background: var(--sc-bg);
    color: var(--sc-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--sc-teal-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--sc-white); }

/* ── NAV ── */
.sc-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 2rem;
    background: rgba(5,5,5,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sc-border);
}
.sc-nav-brand {
    display: flex; align-items: center; gap: 0.5rem;
    font-family: var(--sc-mono); font-size: 0.875rem; font-weight: 500;
    color: var(--sc-white); letter-spacing: 0.1em;
}
.sc-claw-icon {
    color: var(--sc-teal-light); font-family: var(--sc-mono); font-weight: 700;
}
.sc-nav-links {
    display: flex; align-items: center; gap: 1.5rem; font-size: 0.8125rem;
}
.sc-nav-links a { color: var(--sc-text); }
.sc-nav-links a:hover { color: var(--sc-white); }
.sc-lang-switch { display: flex; gap: 0.5rem; }
.sc-lang-switch a {
    font-family: var(--sc-mono); font-size: 0.75rem;
    color: var(--sc-text-dim); padding: 2px 6px;
    border: 1px solid transparent;
}
.sc-lang-switch a.active {
    color: var(--sc-text-bright); border-color: var(--sc-border-mid);
}

/* ── HERO ── */
.sc-hero {
    position: relative; min-height: 100vh;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    text-align: center; overflow: hidden;
}
.sc-hero-canvas {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0; opacity: 0.4;
}
.sc-hero-content {
    position: relative; z-index: 1;
    max-width: 740px; padding: 0 2rem;
}
.sc-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700;
    color: var(--sc-white); line-height: 1.15; letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}
.sc-hero h1 .sc-hl { color: var(--sc-teal-light); }
.sc-hero-tagline {
    font-size: 1.125rem; color: var(--sc-text); line-height: 1.8;
    max-width: 520px; margin: 0 auto;
}
.sc-hero-scroll {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
    z-index: 1;
}
.sc-hero-scroll span {
    font-family: var(--sc-mono); font-size: 0.6875rem; letter-spacing: 0.1em;
    color: var(--sc-text-dim); text-transform: uppercase;
}
.sc-hero-scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--sc-text-dim), transparent);
    animation: sc-scroll-pulse 2s ease-in-out infinite;
}
@keyframes sc-scroll-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ── SECTIONS ── */
.sc-section {
    max-width: 800px; margin: 0 auto; padding: 6rem 2rem;
}
.sc-section-label {
    display: block; font-family: var(--sc-mono); font-size: 0.6875rem;
    letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--sc-text-dim); margin-bottom: 2.5rem;
}

/* ── PHILOSOPHY ── */
.sc-philosophy {
    border-top: 1px solid var(--sc-border);
}
.sc-statement {
    font-size: clamp(1.5rem, 3.5vw, 2rem); font-weight: 400;
    color: var(--sc-text-bright); line-height: 1.5;
    margin-bottom: 2rem;
}
.sc-statement em {
    font-style: normal; color: var(--sc-white);
    border-bottom: 1px solid var(--sc-teal);
}
.sc-philosophy-body {
    font-size: 1rem; color: var(--sc-text); line-height: 1.9;
    max-width: 640px;
}

/* ── CAPABILITIES ── */
.sc-capabilities {
    border-top: 1px solid var(--sc-border);
    background: var(--sc-surface);
}
.sc-cap-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
    border: 1px solid var(--sc-border);
}
.sc-cap-item {
    padding: 2.5rem 2rem;
    background: var(--sc-bg);
    transition: background 0.3s;
}
.sc-cap-item:hover {
    background: var(--sc-surface-elevated);
}
.sc-cap-item h3 {
    font-family: var(--sc-mono); font-size: 0.8125rem; font-weight: 500;
    color: var(--sc-text-bright); letter-spacing: 0.05em;
    margin-bottom: 1rem;
}
.sc-cap-item p {
    font-size: 0.875rem; color: var(--sc-text); line-height: 1.8;
}

/* ── ORIGIN ── */
.sc-origin {
    border-top: 1px solid var(--sc-border);
}
.sc-origin-line {
    width: 40px; height: 1px;
    background: var(--sc-teal); opacity: 0.4;
    margin-bottom: 2rem;
}
.sc-origin-text {
    font-size: 1rem; color: var(--sc-text); line-height: 1.9;
    max-width: 640px;
}

/* ── EARLY ACCESS ── */
.sc-early {
    border-top: 1px solid var(--sc-border);
    background: var(--sc-surface);
    text-align: center;
}
.sc-early h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 600;
    color: var(--sc-white); letter-spacing: -0.01em;
    margin-bottom: 1rem;
}
.sc-early-desc {
    font-size: 1rem; color: var(--sc-text); line-height: 1.8;
    max-width: 480px; margin: 0 auto 2.5rem;
}
.sc-early-btn {
    display: inline-block;
    font-family: var(--sc-mono); font-size: 0.8125rem;
    color: var(--sc-text-bright); padding: 10px 28px;
    border: 1px solid var(--sc-border-mid);
    background: rgba(255,255,255,0.03);
    letter-spacing: 0.02em;
    transition: all 0.3s;
}
.sc-early-btn:hover {
    color: var(--sc-white); border-color: var(--sc-teal);
    background: rgba(23,116,134,0.08);
    box-shadow: 0 0 20px var(--sc-teal-glow);
}

/* ── FOOTER ── */
.sc-footer {
    border-top: 1px solid var(--sc-border);
    padding: 3rem 2rem;
}
.sc-footer-inner {
    max-width: 800px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
}
.sc-footer-brand {
    font-family: var(--sc-mono); font-size: 0.8125rem;
    color: var(--sc-text-dim); letter-spacing: 0.1em;
}
.sc-footer-meta { font-size: 0.8125rem; color: var(--sc-text-dim); }
.sc-footer-meta a { color: var(--sc-text); }
.sc-footer-copy { font-size: 0.75rem; color: var(--sc-text-dim); }

/* ── REVEAL ── */
.sc-reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.sc-reveal.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .sc-nav { padding: 0.75rem 1rem; }
    .sc-section { padding: 4rem 1.25rem; }
    .sc-cap-grid { grid-template-columns: 1fr; }
    .sc-footer-inner { flex-direction: column; text-align: center; }
}