:root {
  --bg: #ffffff;
  --fg: #1f2328;
  --muted: #5a6470;
  --accent: #2b5c8a;
  --alt: #f4f6f8;
  --line: #dde2e8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14181d;
    --fg: #e6e9ed;
    --muted: #9aa4af;
    --accent: #7fb0e0;
    --alt: #1b2129;
    --line: #2a313b;
  }
}
:root[data-theme="dark"] {
  --bg: #14181d;
  --fg: #e6e9ed;
  --muted: #9aa4af;
  --accent: #7fb0e0;
  --alt: #1b2129;
  --line: #2a313b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.section { padding: 48px 0; }
.section-alt { background: var(--alt); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.site-header { border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; min-height: 64px; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; font-size: 1.1rem; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--fg); text-decoration: underline; }

.hero { padding: 72px 0 56px; }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; margin-bottom: 12px; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 640px; }
.button {
  display: inline-block; margin-top: 8px; padding: 12px 20px; border-radius: 6px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
}
.button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.cards li { border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.cards p { color: var(--muted); margin: 0; }

.prices { width: 100%; border-collapse: collapse; }
.prices th, .prices td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--line); }
.prices th { color: var(--muted); font-weight: 600; }
.note { color: var(--muted); font-size: .9rem; margin-top: 12px; }

.prose { max-width: 680px; }
.site-footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: .9rem; }
.site-footer p { margin: 4px 0; }

@media (max-width: 560px) {
  nav a { margin-left: 12px; }
  .hero { padding: 48px 0 40px; }
}
