:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --line: #dbe2ea;
  --accent: #c1124b;
  --panel: #ffffff;
  --wash: #f4f7fb;
}
* { box-sizing: border-box; }
html { background: var(--wash); color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { margin: 0; line-height: 1.65; }
a { color: var(--accent); }
.shell { width: min(760px, calc(100% - 32px)); margin: 48px auto; padding: 48px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 18px 45px rgba(17, 24, 39, .07); }
.hero { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: .82rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
h1 { margin: 0 0 12px; font-size: clamp(2rem, 6vw, 3.25rem); line-height: 1.08; }
h2 { margin-top: 32px; font-size: 1.18rem; line-height: 1.35; }
p { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 28px 0; }
.card { display: flex; min-height: 130px; flex-direction: column; justify-content: center; padding: 22px; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); text-decoration: none; transition: transform .15s ease, border-color .15s ease; }
.card:hover, .card:focus-visible { transform: translateY(-2px); border-color: var(--accent); }
.card span { font-weight: 800; }
.card small { margin-top: 8px; color: var(--muted); }
.back { display: inline-block; margin-bottom: 28px; text-decoration: none; }
.effective { margin-top: 0; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
footer { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); }
@media (max-width: 620px) {
  .shell { width: 100%; margin: 0; padding: 28px 20px 40px; border: 0; border-radius: 0; box-shadow: none; }
  .cards { grid-template-columns: 1fr; }
}