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

:root {
  --navy: #0B1120;
  --dark: #030B0F;
  --card: #0A1419;
  --cyan: #00F0FF;
  --accent: #00D9FF;
  --gold: #F2C94C;
  --green: #22C55E;
  --red: #FF4444;
  --fg: #E2E8F0;
  --muted: #94A3B8;
  --dim: #7A9BA8;
  --border: #1E3A4C;
  --font: 'Chakra Petch', system-ui, sans-serif;
  --mono: 'Courier New', monospace;
}

html { font-size: 17px; }

body {
  background: var(--dark);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 4px;
}

h2 {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

p { font-size: 0.85rem; color: var(--muted); margin-bottom: 12px; }

section { margin-bottom: 48px; }

.contact {
  font-size: 0.7rem;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 6px;
  margin-bottom: 40px;
}

.contact a { color: var(--dim); }
.contact a:hover { color: var(--accent); }

.subtitle {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 400;
  margin-bottom: 8px;
}

.video-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 16px;
}
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.stack-row {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.8rem;
}
.stack-row:last-child { border-bottom: none; }

.stack-label {
  color: var(--fg);
  font-weight: 600;
  width: 140px;
  flex-shrink: 0;
  font-size: 0.75rem;
}
.stack-detail { color: var(--muted); font-size: 0.75rem; }
.stack-detail a { font-size: 0.7rem; }

.contracts {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin-top: 4px;
}
.contracts a {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--dim);
  padding: 2px 6px;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
}
.contracts a:hover { color: var(--accent); border-color: rgba(0,240,255,0.2); text-decoration: none; }

.method p { margin-bottom: 16px; }

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--dim);
}

@media (max-width: 600px) {
  body { padding: 24px 16px 60px; }
  .stack-row { flex-direction: column; gap: 2px; }
  .stack-label { width: auto; }
}