:root {
  color-scheme: light;
  --ink: #13243a;
  --muted: #53657a;
  --paper: #f5f8fb;
  --card: #ffffff;
  --line: #dce5ee;
  --accent: #0d5c63;
  --accent-soft: #dceff0;
  --focus: #d86b32;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 0%, rgba(13, 92, 99, 0.11), transparent 32rem),
    var(--paper);
  font-size: 1rem;
  line-height: 1.65;
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.shell { min-height: 100vh; display: grid; grid-template-rows: auto 1fr auto; }

header, main, footer { width: min(100% - 2rem, 72rem); margin-inline: auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand { color: var(--ink); font-weight: 760; text-decoration: none; letter-spacing: -0.02em; }
nav { display: flex; flex-wrap: wrap; gap: 0.9rem; font-size: 0.9rem; }

main { padding-block: clamp(3rem, 8vw, 7rem); }

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2 { letter-spacing: -0.035em; line-height: 1.12; }
h1 { max-width: 16ch; margin: 0; font-size: clamp(2.4rem, 7vw, 5.5rem); }
h2 { margin: 0 0 0.75rem; font-size: clamp(1.35rem, 2.5vw, 1.9rem); }
p { max-width: 68ch; }

.lede { margin: 1.5rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2.5rem, 6vw, 5rem);
}

.card {
  min-height: 12rem;
  padding: 1.4rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: 0 1rem 2rem rgba(19, 36, 58, 0.05);
}

.card p { margin-bottom: 0; color: var(--muted); }
.policy { max-width: 48rem; }
.policy h1 { max-width: 20ch; font-size: clamp(2.25rem, 6vw, 4.4rem); }
.policy h2 { margin-top: 2.4rem; }
.policy li { margin-block: 0.55rem; }
.updated { color: var(--muted); font-size: 0.9rem; }

.notice {
  margin-top: 2.25rem;
  padding: 1.1rem 1.25rem;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0.4rem;
}

footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  padding-block: 1.5rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
}

@media (max-width: 700px) {
  header { align-items: flex-start; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  main { padding-block: 3.5rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .card { transition: transform 160ms ease, box-shadow 160ms ease; }
  .card:hover { transform: translateY(-2px); box-shadow: 0 1.2rem 2.4rem rgba(19, 36, 58, 0.08); }
}