:root { color-scheme: light; --sky: #4cc5e8; --coral: #f35d4b; --cream: #fff3d5; --paper: #fffaf0; --ink: #18385f; --muted: #52667d; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: linear-gradient(180deg, var(--sky) 0 13rem, var(--coral) 13rem 14.2rem, var(--cream) 14.2rem); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
header, main, footer { width: min(760px, calc(100% - 32px)); margin-inline: auto; }
header { padding: 56px 0 34px; color: white; text-align: center; }
header h1 { margin: 0; font-size: clamp(2.5rem, 10vw, 4.5rem); letter-spacing: .04em; }
header p { margin: 4px 0 0; font-weight: 700; }
main { min-height: 55vh; padding: clamp(24px, 6vw, 54px); border: 2px solid rgba(24, 56, 95, .12); border-radius: 28px; background: var(--paper); box-shadow: 0 18px 40px rgba(24, 56, 95, .16); }
h2 { margin-top: 2rem; line-height: 1.2; }
h2:first-child { margin-top: 0; }
a { color: #075e91; font-weight: 700; }
li + li { margin-top: .45rem; }
.meta { color: var(--muted); font-size: .95rem; }
.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.card { display: block; padding: 18px; border: 2px solid rgba(24, 56, 95, .12); border-radius: 18px; background: white; text-decoration: none; }
.card:hover, .card:focus-visible { border-color: var(--coral); transform: translateY(-2px); }
footer { padding: 28px 0 48px; text-align: center; color: var(--muted); }
nav { margin-bottom: 28px; }
nav a + a::before { content: " · "; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) { .card { transition: transform 140ms ease, border-color 140ms ease; } }