:root {
  --bg: #ffffff; --fg: #14151a; --muted: #565b6b;
  --accent: #4338ca; --card: #f6f6fa; --border: #e2e3ec;
  --max: 64rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1015; --fg: #ececf2; --muted: #a2a6b8;
    --accent: #a5b4fc; --card: #181a22; --border: #2a2d3a;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 1rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--bg); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

.site-header { border-bottom: 1px solid var(--border); }
.bar { display: flex; justify-content: space-between; align-items: center; padding-top: 1rem; padding-bottom: 1rem; gap: 1rem; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
nav a { margin-left: 1.25rem; text-decoration: none; }
nav a:hover { text-decoration: underline; }

section { padding-top: 3rem; padding-bottom: 1rem; }
.hero { padding-top: 5rem; padding-bottom: 2rem; }
h1 { font-size: clamp(2rem, 6vw, 3.25rem); line-height: 1.15; margin: 0 0 1rem; max-width: 18ch; }
h2 { font-size: 1.5rem; margin: 0 0 1rem; }
h3 { margin: 0 0 .5rem; font-size: 1.25rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 40rem; margin: 0; }

.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; }
.card p { color: var(--muted); margin: 0 0 1rem; }
.badge { display: inline-block; font-size: .8rem; font-weight: 600; padding: .2rem .65rem; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); }

.contact { list-style: none; padding: 0; margin: 0; display: flex; gap: 1.5rem; flex-wrap: wrap; }
.site-footer { margin-top: 4rem; padding: 1.5rem 0; border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }