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

:root {
  --bg:        #07100a;
  --surface:   #0d1c10;
  --surface2:  #152b19;
  --border:    #1e3a24;
  --text:      #ecf7ed;
  --muted:     #7aa090;
  --accent:    #4ade80;
  --accent-h:  #86efac;
  --accent-dim: #22c55e;
  --r:         8px;
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono:      'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  --max-w:     1120px;
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100dvh;
}


/* ─── Nav ───────────────────────────────────────────────────────────────── */

#nav {
  border-bottom: 1px solid var(--border);
  background: rgba(7, 16, 10, 0.88);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.9rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark       { font-size: 1.2rem; font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: -0.03em }
.wordmark b     { color: var(--accent) }
.wordmark.small { font-size: 0.9rem }

.nav-end  { display: flex; align-items: center; gap: 1.5rem }
.nav-link { font-size: 0.875rem; color: var(--muted); text-decoration: none; font-weight: 500; transition: color 0.12s }
.nav-link:hover { color: var(--text) }


/* ─── Buttons ───────────────────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: none;
  border-radius: var(--r);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1.1rem;
  text-decoration: none;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
  white-space: nowrap;
}
.btn.primary       { background: var(--accent);  color: #07100a }
.btn.primary:hover { background: var(--accent-h) }
.btn.ghost         { background: transparent; color: var(--text); border: 1px solid var(--border) }
.btn.ghost:hover   { background: var(--surface2); border-color: var(--accent-dim) }
.btn.small         { padding: 0.35rem 0.75rem; font-size: 0.8rem }
.btn.large         { padding: 0.75rem 1.75rem; font-size: 1rem }


/* ─── Main layout ───────────────────────────────────────────────────────── */

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem 6rem;
}


/* ─── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 7rem 1rem 5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.hero-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dim);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.07;
}
.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 520px;
}


/* ─── Section label ─────────────────────────────────────────────────────── */

.section-label {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 1.5rem;
}


/* ─── Pillars ───────────────────────────────────────────────────────────── */

.pillars { margin-bottom: 5rem }

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
}
.pillar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--r) + 2px);
  padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s;
}
.pillar:hover   { border-color: var(--accent-dim); background: var(--surface2) }
.pillar-icon    { font-size: 1.4rem; margin-bottom: 0.9rem; color: var(--accent-dim) }
.pillar h3      { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.5rem }
.pillar p       { font-size: 0.875rem; color: var(--muted); line-height: 1.65 }


/* ─── Network table ─────────────────────────────────────────────────────── */

.network-section { margin-bottom: 5rem }

.zone-table { border: 1px solid var(--border); border-radius: calc(var(--r) + 2px); overflow: hidden }

.zone-row {
  display: grid;
  grid-template-columns: 1fr 120px 120px;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.zone-row:last-child { border-bottom: none }
.zone-row.head {
  background: var(--surface);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
}
.zone-name   { font-family: var(--mono); font-size: 0.82rem }
.zone-type   { color: var(--muted); font-size: 0.82rem }
.zone-region { color: var(--muted); font-size: 0.82rem; font-family: var(--mono) }


/* ─── CTA ───────────────────────────────────────────────────────────────── */

.cta-section {
  text-align: center;
  padding: 5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--r) * 2);
  background: var(--surface);
  margin-bottom: 5rem;
}
.cta-section h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em }
.cta-section p  { font-size: 1rem; color: var(--muted) }


/* ─── Footer ────────────────────────────────────────────────────────────── */

.footer { border-top: 1px solid var(--border); padding: 2rem 0 }
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.footer-note  { font-size: 0.8rem; color: var(--muted); flex: 1 }
.footer-links { display: flex; gap: 1.25rem }
.footer-link  { font-size: 0.8rem; color: var(--muted); text-decoration: none; transition: color 0.12s }
.footer-link:hover { color: var(--text) }


/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .nav-inner  { padding: 0.875rem 1rem }
  main        { padding: 0 1rem 4rem }
  .hero       { padding: 4rem 0 3rem }
  .zone-row   { grid-template-columns: 1fr 90px 90px }
  .footer-inner { flex-wrap: wrap; gap: 1rem }
}