:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f6f6f4;
  --border: #e3e3de;
  --fg: #16161a;
  --muted: #5f6169;
  --faint: #8d8f98;
  --accent: #2f5496;
  --accent-soft: #eaf0fb;
  --violet: #7a4fd0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; letter-spacing: -.01em; color: var(--fg); text-decoration: none; }
.logo span { color: var(--accent); }
.nav nav { display: flex; align-items: center; gap: 24px; font-size: .9rem; font-weight: 500; }
.nav nav a { color: var(--muted); text-decoration: none; }
.nav nav a:hover { color: var(--accent); }
.nav nav a.btn { color: #fff; }

.btn {
  display: inline-block; border-radius: 999px; padding: .75rem 1.6rem;
  font-size: .9rem; font-weight: 600; color: #fff; text-decoration: none;
  background: linear-gradient(90deg, var(--accent), var(--violet));
  box-shadow: 0 10px 30px -12px rgba(47,84,150,.6);
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-sm { padding: .45rem 1.1rem; box-shadow: none; }
.btn-ghost { background: none; color: var(--fg); border: 1px solid var(--border); box-shadow: none; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero {
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, var(--accent-soft), transparent 70%),
    radial-gradient(var(--border) 1px, transparent 1px) 0 0 / 28px 28px;
}
.eyebrow { margin: 0; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .8rem; color: var(--faint); text-transform: uppercase; letter-spacing: .14em; }
h1 { margin: 18px 0 0; max-width: 820px; font-size: clamp(2rem, 5.5vw, 3.6rem); line-height: 1.1; letter-spacing: -.025em; }
.grad { background: linear-gradient(90deg, var(--accent), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 640px; margin: 24px 0 0; font-size: 1.1rem; color: var(--muted); }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.section { padding: 84px 0; border-bottom: 1px solid var(--border); }
.alt { background: var(--surface); }
h2 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.3rem); letter-spacing: -.02em; }
.sub { margin: 12px 0 0; color: var(--muted); }
.grid { display: grid; gap: 20px; margin-top: 40px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 26px; transition: border-color .25s; }
.alt .card, .card.plain { background: var(--bg); }
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 20px 0 0; list-style: none; }
.tags li { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 4px 12px; font: .75rem ui-monospace, Menlo, Consolas, monospace; }

.loop { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 32px 0 0; list-style: none; counter-reset: s; }
.loop li { counter-increment: s; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 6px 16px; font: .85rem ui-monospace, Menlo, Consolas, monospace; }
.loop li::after { content: " →"; color: var(--faint); }
.loop li:last-child::after { content: ""; }

.narrow p { color: var(--muted); margin: 18px 0 0; }
.contact { text-align: center; }
.contact .narrow { margin: 0 auto; }

footer { padding: 28px 0; font-size: .85rem; color: var(--faint); }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

@media (max-width: 640px) {
  .nav nav a:not(.btn) { display: none; }
  .hero { padding: 64px 0; }
  .section { padding: 60px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}