:root {
    --bg: #030712;
    --accent: #22d3ee;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --border: #1f2937;
    --surface: #0f172a;
    --glow: rgba(34, 211, 238, 0.2);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    line-height: 1.6;
}

/* ── Layout ──────────────────────────────────────── */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Nav ─────────────────────────────────────────── */
.site-nav {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -1px;
}

.logo span { color: var(--accent); }

.btn {
    background: var(--accent);
    color: var(--bg);
    padding: 8px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.8rem;
    transition: opacity 0.2s, box-shadow 0.2s;
}

.btn:hover {
    opacity: 0.85;
    box-shadow: 0 0 20px var(--glow);
}

/* ── Hero ─────────────────────────────────────────── */
.hero {
    padding: 100px 0 80px;
    text-align: center;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    line-height: 1.1;
    margin: 0;
}

.tagline {
    color: var(--muted);
    font-size: 1.15rem;
    max-width: 680px;
    margin: 24px auto 0;
    line-height: 1.7;
}

/* ── Viz section ─────────────────────────────────── */
.viz-section {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 52px;
    margin-bottom: 80px;
    text-align: center;
}

.viz-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted);
    margin-bottom: 40px;
}

.node-map {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--accent);
}

.node-dot {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent);
    flex-shrink: 0;
}

.node-line {
    height: 1px;
    background: var(--border);
    width: 80px;
    flex-shrink: 0;
}

/* ── Feature cards ──────────────────────────────── */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    padding-bottom: 100px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: 14px;
    transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }

.card h3 {
    margin: 0 0 12px;
    color: var(--text);
    font-size: 1rem;
    font-weight: 700;
}

.card p {
    color: var(--muted);
    font-size: 0.88rem;
    margin: 0;
    line-height: 1.6;
}

/* ── Acquisition page ────────────────────────────── */
.acq-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    position: relative;
}

.return-nav {
    position: absolute;
    top: 40px;
    left: 40px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
}

.return-nav:hover { color: var(--accent); }

.acq-content {
    max-width: 680px;
    width: 100%;
    text-align: center;
}

.acq-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -1px;
    display: block;
    margin-bottom: 24px;
}

.acq-logo span { color: var(--accent); }

.acq-title {
    font-size: clamp(2.2rem, 6vw, 3.5rem);
    letter-spacing: -0.05em;
    margin: 0 0 16px;
    font-weight: 800;
    line-height: 1.1;
}

.acq-lead {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: 540px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.prospectus-box {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 44px;
    border-radius: 14px;
    text-align: left;
}

.prospectus-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.prospectus-item:last-of-type { border-bottom: none; }

.p-label { color: var(--muted); font-size: 0.88rem; }
.p-val { font-weight: 600; color: var(--accent); font-size: 0.88rem; text-transform: uppercase; }

.buy-btn {
    display: block;
    background: var(--accent);
    color: var(--bg);
    padding: 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 800;
    text-align: center;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 32px;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
}

.buy-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--glow);
}

.acq-note {
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.6;
    max-width: 500px;
    margin: 24px auto 0;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
    .grid { grid-template-columns: 1fr; gap: 16px; }
    .node-map { flex-direction: column; gap: 12px; }
    .node-line { width: 1px; height: 40px; }
    .viz-section { padding: 36px 24px; }
    .prospectus-box { padding: 28px 20px; }
    .return-nav { top: 20px; left: 20px; }
}