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

:root {
  --ink: #11100e;
  --muted: #66615b;
  --soft: #f8f4ed;
  --card: #fffdf9;
  --line: rgba(184, 134, 11, 0.18);
  --gold: #b8860b;
  --gold-dark: #8a6208;
}

body {
  margin: 0;
  background: radial-gradient(circle at 16% 0%, #fffaf0 0%, #f8f4ed 38%, #eee7dc 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 0 24px;
}

.brand {
  text-decoration: none;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.nav a,
.chip,
.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 13px;
  text-decoration: none;
  color: var(--muted);
  background: rgba(255,255,255,0.56);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav a:hover,
.button:hover {
  border-color: rgba(184, 134, 11, 0.45);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 28px;
  align-items: stretch;
  margin: 28px 0 34px;
}

.hero-card,
.side-card,
.content-card,
.path-card,
.note-card {
  background: rgba(255,253,249,0.84);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 70px rgba(26, 20, 9, 0.08);
}

.hero-card {
  padding: clamp(28px, 5vw, 58px);
}

.kicker {
  color: var(--gold-dark);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 16px 0 18px;
  max-width: 12ch;
  font-family: "Orbitron", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(2.35rem, 7vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0 0 12px;
  font-family: "Orbitron", ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1.45rem, 3vw, 2.4rem);
  line-height: 1.1;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.deck {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.side-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
}

.side-card p,
.content-card p,
.path-card p,
.note-card p {
  color: var(--muted);
  margin: 0;
}

.button-row,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  color: var(--ink);
  background: rgba(184, 134, 11, 0.12);
  font-weight: 800;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 22px 0 40px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-card,
.path-card,
.note-card {
  padding: 24px;
}

.path-card {
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.path-card:hover {
  transform: translateY(-3px);
  border-color: rgba(184, 134, 11, 0.45);
}

.meta {
  margin-bottom: 10px;
  color: var(--gold-dark);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section {
  margin-top: 38px;
}

.list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li {
  margin: 8px 0;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .topbar,
  .hero {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .site-shell {
    width: min(100% - 24px, 1120px);
    padding-top: 12px;
  }
}