:root {
  --bg-1: #070914;
  --bg-2: #140f29;
  --bg-3: #08070f;
  --glass: rgba(23, 28, 46, 0.62);
  --glass-strong: rgba(18, 22, 38, 0.82);
  --text: #f5f7fc;
  --muted: rgba(245, 247, 252, 0.62);
  --faint: rgba(245, 247, 252, 0.42);
  --accent: #59d9f2;
  --accent-deep: #33b8d4;
  --violet: #ad73fa;
  --gold: #fac759;
  --stroke: rgba(255, 255, 255, 0.14);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --max: 760px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background: var(--bg-1);
}

body {
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(89, 217, 242, 0.16), transparent 55%),
    radial-gradient(720px 480px at 110% 8%, rgba(173, 115, 250, 0.18), transparent 50%),
    radial-gradient(700px 500px at 50% 120%, rgba(115, 140, 250, 0.12), transparent 55%),
    linear-gradient(160deg, var(--bg-1), var(--bg-2) 48%, var(--bg-3));
  background-attachment: fixed;
}

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.top {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  background: rgba(7, 9, 20, 0.55);
  border-bottom: 1px solid var(--stroke);
}

.top-inner {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.06em;
}

.mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(145deg, rgba(89, 217, 242, 0.25), rgba(173, 115, 250, 0.2));
  border: 1px solid rgba(89, 217, 242, 0.35);
  box-shadow: 0 0 16px rgba(89, 217, 242, 0.22);
}

.mark svg { display: block; }

nav {
  display: flex;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--stroke);
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 550;
  padding: 7px 14px;
  border-radius: 999px;
}

nav a:hover { color: var(--text); }
nav a.active {
  color: #081016;
  background: linear-gradient(180deg, #7ae7f8, var(--accent-deep));
}

main {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 72px;
}

.hero {
  margin-bottom: 28px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.meta {
  color: var(--muted);
  margin: 0;
  max-width: 42em;
}

.stack { display: grid; gap: 14px; }

.card {
  position: relative;
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  padding: 22px 24px 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.45), transparent);
}

h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 12px;
  color: rgba(245, 247, 252, 0.86);
}

.card p:last-child { margin-bottom: 0; }

.links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}

.tile {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 168px;
  padding: 22px;
  text-decoration: none;
  color: var(--text);
  background: var(--glass);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tile:hover {
  transform: translateY(-2px);
  border-color: rgba(89, 217, 242, 0.45);
}

.tile strong {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.tile span { color: var(--muted); font-size: 0.95rem; }
.tile em {
  margin-top: auto;
  font-style: normal;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.site-foot {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto 36px;
  color: var(--faint);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.site-foot a { color: var(--muted); text-decoration: none; }
.site-foot a:hover { color: var(--accent); }

@media (max-width: 640px) {
  .links { grid-template-columns: 1fr; }
  nav a { padding: 7px 11px; }
}