@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@400;500;700;800&display=swap');

:root {
  --bg: #0b0c12;
  --panel: #151826;
  --ink: #f6f8ff;
  --glow: #68f0ff;
  --flare: #ff8bd2;
  --line: #2b314a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Bricolage Grotesque', sans-serif;
  background: radial-gradient(circle at 18% 12%, #222944 0%, #0b0c12 48%), linear-gradient(115deg, #0b0c12, #101528);
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.frame {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 12;
  backdrop-filter: blur(12px);
  background: rgba(11, 12, 18, 0.86);
  border-bottom: 1px solid var(--line);
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand img { width: 34px; height: 34px; }

.nav-toggle {
  display: none;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.36rem 0.65rem;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  justify-content: flex-end;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.48rem 0.84rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  border-color: var(--glow);
  box-shadow: 0 0 0 1px rgba(104, 240, 255, 0.4) inset;
}

.hero {
  padding: 3.4rem 0 1.2rem;
}

.shard {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(104, 240, 255, 0.12), rgba(255, 139, 210, 0.08));
  clip-path: polygon(0 0, 97% 0, 100% 23%, 100% 100%, 3% 100%, 0 76%);
  padding: 2.2rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5.2vw, 3.7rem);
}

.callouts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.callouts span {
  border: 1px solid var(--line);
  background: rgba(17, 22, 40, 0.85);
  padding: 0.5rem 0.76rem;
  border-radius: 0.8rem;
  font-weight: 600;
}

.layout {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  padding-bottom: 2rem;
}

.arcade,
.stack-card,
.note,
.page-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(15, 19, 34, 0.88);
}

.arcade {
  padding: 0.95rem;
}

.arcade iframe {
  width: 100%;
  min-height: 640px;
  border: 0;
  border-radius: 10px;
  background: #05060a;
}

.stack {
  display: grid;
  gap: 0.9rem;
}

.stack-card {
  padding: 1rem;
}

.stack-card h2 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
}

.page-wrap {
  padding: 2.2rem 0 2.8rem;
}

.page-card {
  padding: 1.5rem;
  max-width: 980px;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

.foot {
  padding: 1.2rem 0 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
  justify-content: space-between;
  align-items: center;
}

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.foot-links a { color: var(--glow); }

.gate {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(3, 4, 8, 0.88);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.gate-box {
  width: min(530px, 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #101528;
  padding: 1.4rem;
}

.gate-actions {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
}

.gate-actions button {
  border: 0;
  padding: 0.6rem 0.9rem;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
}

.gate-actions .yes { background: var(--glow); color: #041018; }
.gate-actions .no { background: #2b314a; color: var(--ink); }

.gate.hidden { display: none; }

@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .topbar { grid-template-columns: auto auto; }
  .site-nav {
    grid-column: 1 / -1;
    display: none;
    border-top: 1px solid var(--line);
    padding-top: 0.55rem;
  }
  .site-nav.open { display: block; }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links a { display: block; }
  .shard { padding: 1.25rem; clip-path: none; border-radius: 16px; }
  .arcade iframe { min-height: 460px; }
}