:root {
  --bg: #0b0f14;
  --bg-2: #111821;
  --line: #1f2a36;
  --text: #e6edf3;
  --muted: #8b98a7;
  --accent: #5eead4;
  --accent-2: #a78bfa;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --bg-2: #ffffff;
    --line: #dde3ea;
    --text: #0e141b;
    --muted: #5a6776;
    --accent: #0d9488;
    --accent-2: #7c3aed;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 30rem at 85% -10%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 70%),
    radial-gradient(50rem 30rem at -10% 10%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 75%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 75%);
  opacity: .55;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--accent); }

/* ---------- hero ---------- */
.hero { padding: 18vh 0 10vh; }

.prompt {
  font-family: var(--mono);
  color: var(--accent);
  margin: 0 0 1rem;
  font-size: .95rem;
}
.prompt::after {
  content: "▋";
  margin-left: .35rem;
  animation: blink 1.1s steps(1) infinite;
}
.caret { opacity: .7; }

@keyframes blink { 50% { opacity: 0; } }

h1 {
  margin: 0;
  font-size: clamp(3rem, 10vw, 6.2rem);
  line-height: 1;
  letter-spacing: -.035em;
  font-weight: 800;
  background: linear-gradient(100deg, var(--text) 30%, var(--accent) 75%, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.name {
  margin: .9rem 0 0;
  font-family: var(--mono);
  color: var(--muted);
  letter-spacing: .02em;
}

.lede {
  max-width: 38ch;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.5;
  margin: 1.6rem 0;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 0;
  margin: 0 0 2rem;
}
.tags li {
  font-family: var(--mono);
  font-size: .78rem;
  padding: .3rem .7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg-2) 70%, transparent);
}

.cta { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: .7rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  transition: border-color .2s, transform .2s, background .2s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #04201c;
}
.btn.primary:hover { background: color-mix(in srgb, var(--accent) 85%, white); }

/* ---------- sections ---------- */
section { padding: 4rem 0; border-top: 1px solid var(--line); }

h2 {
  font-size: 1.05rem;
  font-family: var(--mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  margin: 0 0 2rem;
}
.num { color: var(--accent); margin-right: .6rem; }

.about p { max-width: 64ch; margin: 0 0 1.1rem; }
.about strong { color: var(--text); font-weight: 650; }

.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  margin: 2.5rem 0 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.facts div { background: var(--bg-2); padding: 1.1rem 1.2rem; }
.facts dt {
  font-family: var(--mono);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
}
.facts dd { margin: .3rem 0 0; font-weight: 600; }

/* ---------- cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.4rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-2);
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: .5rem 0 .6rem; font-size: 1.15rem; line-height: 1.3; }
.card p { margin: 0 0 1rem; color: var(--muted); font-size: .95rem; flex: 1; }

.kicker {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--accent);
}
.more { font-family: var(--mono); font-size: .82rem; color: var(--accent); }

.card.featured {
  padding: 2rem;
  border-color: color-mix(in srgb, var(--accent-2) 45%, var(--line));
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-2) 14%, transparent), transparent 60%),
    var(--bg-2);
}
.card.featured h3 { font-size: clamp(1.4rem, 3.4vw, 2rem); letter-spacing: -.01em; }
.card.featured .kicker { color: var(--accent-2); }
.card.featured p { font-size: 1rem; max-width: 62ch; }

/* ---------- footer ---------- */
.foot {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 4rem;
  font-size: .95rem;
}
.foot p { margin: 0 0 .4rem; }
.muted { color: var(--muted); font-family: var(--mono); font-size: .8rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}