:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --text: #16181d;
  --muted: #5b6270;
  --border: #e3e6eb;
  --accent: #111318;
  --accent-contrast: #ffffff;
  --radius: 14px;
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-soft: #171a21;
    --text: #e8eaee;
    --muted: #9aa1ad;
    --border: #262a33;
    --accent: #f2f3f5;
    --accent-contrast: #0f1115;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main { flex: 1; }

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--accent); color: var(--accent-contrast);
  padding: 8px 12px; border-radius: 8px; z-index: 10;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header { border-bottom: 1px solid var(--border); }
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 64px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -0.01em;
}
.brand .logo { display: block; height: 18px; width: auto; }
.nav { display: flex; gap: 18px; font-size: 0.95rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

/* Hero */
.hero { padding: 96px 0 72px; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted);
  margin-bottom: 12px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.12;
  letter-spacing: -0.025em; margin: 0 0 20px; max-width: 18ch;
}
.lead { font-size: 1.2rem; color: var(--muted); max-width: 60ch; margin: 0 0 32px; }

.btn {
  display: inline-block; background: var(--accent); color: var(--accent-contrast);
  padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }

/* Features */
.features { padding: 24px 0 80px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.card svg { width: 28px; height: 28px; color: var(--text); margin-bottom: 14px; }
.card h2, .card h3 { font-size: 1.15rem; margin: 0 0 8px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); }

/* Contact */
.contact { padding: 72px 0; border-top: 1px solid var(--border); background: var(--bg-soft); }
.contact h2 { font-size: 1.75rem; margin: 0 0 12px; letter-spacing: -0.02em; }
.contact p { color: var(--muted); margin: 0 0 24px; max-width: 60ch; }

/* Text pages */
.prose { padding: 64px 0 80px; max-width: 760px; }
.prose h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); max-width: none; }
.prose h2 { font-size: 1.3rem; margin: 40px 0 8px; letter-spacing: -0.01em; }
.prose h3 { font-size: 1.05rem; margin: 24px 0 4px; }
.prose p, .prose ul, .prose address { margin: 0 0 14px; }
.prose address { font-style: normal; }
.prose .muted { color: var(--muted); font-size: 0.95rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; font-size: 0.9rem; color: var(--muted); }
.site-footer .container { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); text-decoration: underline; }

@media (max-width: 560px) {
  .nav { gap: 12px; font-size: 0.9rem; }
  .nav .hide-sm { display: none; }
  .hero { padding: 64px 0 48px; }
}