:root {
  --bg: #050505;
  --panel: #0b0b11;
  --card: #11111a;
  --card-2: #151521;
  --border: rgba(212, 175, 55, 0.16);
  --text: #e6e2d5;
  --muted: #9b9688;
  --gold: #d4af37;
  --gold-soft: rgba(212, 175, 55, 0.12);
  --blue: #6b8aff;
  --teal: #34d399;
  --violet: #a78bfa;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(212, 175, 55, 0.07), transparent 36%),
    radial-gradient(circle at 20% 20%, rgba(107, 138, 255, 0.07), transparent 24%),
    linear-gradient(180deg, #040406 0%, #07070d 48%, #050507 100%);
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.12;
}

a { color: inherit; }

.layer-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.layer-hero {
  padding: 2.25rem 1.5rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: 1.4rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  box-shadow: 0 18px 55px rgba(0,0,0,0.35);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--gold);
  background: rgba(212, 175, 55, 0.05);
  font: 600 0.7rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 14px var(--gold);
}

h1, h2, h3 {
  font-family: "Cinzel", "Georgia", serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.layer-hero h1 {
  margin: 0.85rem 0 0.45rem;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.02;
}

.lead {
  max-width: 74ch;
  margin: 0;
  color: rgba(230, 226, 213, 0.86);
  font-size: 1.03rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.72rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  font: 500 0.78rem/1 "JetBrains Mono", ui-monospace, monospace;
}

.chip strong { color: var(--text); font-weight: 600; }

.layer-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  grid-column: span 6;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  box-shadow: 0 8px 28px rgba(0,0,0,0.18);
}

.card.full { grid-column: 1 / -1; }

.card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.18rem;
  color: var(--gold);
}

.card p {
  margin: 0.45rem 0 0;
  color: rgba(230, 226, 213, 0.82);
}

.card ul {
  margin: 0.65rem 0 0;
  padding-left: 1.15rem;
  color: rgba(230, 226, 213, 0.82);
}

.card li { margin: 0.3rem 0; }

.stack {
  display: grid;
  gap: 0.8rem;
}

.nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(255,255,255,0.03);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.nav-card:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(212, 175, 55, 0.06);
}

.nav-card .name {
  font-family: "Cinzel", serif;
  color: var(--text);
  font-size: 1.02rem;
}

.nav-card .desc {
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-card .tag {
  color: var(--gold);
  font: 600 0.7rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.accent-gold { --accent: var(--gold); }
.accent-blue { --accent: var(--blue); }
.accent-teal { --accent: var(--teal); }
.accent-violet { --accent: var(--violet); }

.accent-bar {
  margin-top: 0.85rem;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--accent, var(--gold)), transparent);
  opacity: 0.9;
}

.framework-brief {
  margin-top: 1rem;
  padding: 1.25rem;
  border: 1px solid rgba(212, 175, 55, 0.22);
  border-radius: 1.2rem;
  background:
    linear-gradient(135deg, rgba(212, 175, 55, 0.09), rgba(107, 138, 255, 0.035)),
    rgba(10, 10, 16, 0.82);
  box-shadow: 0 16px 44px rgba(0,0,0,0.28);
}

.brief-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.brief-kicker {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--gold);
  font: 600 0.68rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brief-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.12;
}

.brief-badge {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  font: 600 0.68rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brief-lede {
  max-width: 82ch;
  margin: 0 0 1.1rem;
  color: rgba(230, 226, 213, 0.88);
  font-size: 1rem;
}

.brief-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.brief-point {
  min-height: 190px;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  background: rgba(255,255,255,0.025);
}

.brief-point .num {
  display: inline-block;
  margin-bottom: 0.55rem;
  color: var(--gold);
  font: 700 0.68rem/1 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.13em;
}

.brief-point h3 {
  margin: 0 0 0.45rem;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.25;
}

.brief-point p {
  margin: 0;
  color: rgba(230, 226, 213, 0.76);
  font-size: 0.92rem;
}

.brief-point code {
  color: var(--gold);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.9em;
}

.brief-summary {
  margin-top: 1rem;
  padding: 1rem;
  border-left: 3px solid var(--gold);
  border-radius: 0.75rem;
  background: rgba(212, 175, 55, 0.055);
  color: rgba(230, 226, 213, 0.86);
}

.brief-summary strong {
  color: var(--gold);
}

.callout {
  border-left: 3px solid var(--accent, var(--gold));
  padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.025);
  border-radius: 0.6rem;
  color: rgba(230, 226, 213, 0.84);
}

.foot {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.93rem;
}

@media (max-width: 880px) {
  .card,
  .nav-grid {
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
  }

  .brief-head,
  .brief-points {
    grid-template-columns: 1fr;
  }

  .brief-badge {
    justify-self: start;
  }
}

@media (max-width: 700px) {
  .layer-shell { width: min(100%, calc(100% - 1rem)); }
  .layer-hero { padding: 1.45rem 1rem 1.2rem; }
}