:root {
  color-scheme: light dark;
  --background: #f4f6f8;
  --text: #0e1a1f;
  --secondary: #55666e;
  --primary: #0f5c6e;
  --button-text: #fff;
  --border: #e1e7eb;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); }
.page { width: min(100% - 96px, 1120px); min-height: 100svh; margin-inline: auto; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 12px; padding-block: 36px; font-size: 25px; font-weight: 750; letter-spacing: -.8px; }
.brand img { display: block; border-radius: 11px; }
.hero { flex: 1; display: flex; align-items: center; justify-content: space-between; gap: 64px; padding-block: 80px 112px; }
.content { max-width: 740px; }
h1 { margin: 0; font-size: clamp(42px, 5.25vw, 68px); line-height: 1.08; font-weight: 800; letter-spacing: -.055em; text-wrap: balance; }
h1 span { color: var(--primary); }
.description { max-width: 520px; margin: 28px 0 32px; color: var(--secondary); font-size: 20px; line-height: 1.6; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 26px; min-height: 52px; padding: 14px 24px; border-radius: 12px; background: var(--primary); color: var(--button-text); font-size: 17px; font-weight: 650; text-decoration: none; transition: opacity .15s ease; }
.button:hover { opacity: .88; }
.button span { font-size: 22px; line-height: 1; }
.hero-mark { flex: 0 0 auto; display: block; width: 248px; height: 248px; border-radius: 54px; }
footer { padding-block: 24px 32px; border-top: 1px solid var(--border); color: var(--secondary); font-size: 14px; line-height: 1.5; }
a:focus-visible { outline: 3px solid var(--primary); outline-offset: 5px; }
.skip-link { position: fixed; z-index: 1; top: 12px; left: 12px; padding: 12px 16px; border-radius: 8px; background: var(--text); color: var(--background); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
@media (prefers-color-scheme: dark) {
  :root { --background: #0c1215; --text: #f1f5f7; --secondary: #a6b4ba; --primary: #5fb5c4; --button-text: #06181c; --border: #243036; }
}
@media (max-width: 760px) {
  .page { width: min(100% - 48px, 540px); }
  .brand { padding-block: 28px; }
  .hero { flex-direction: column; align-items: flex-start; justify-content: center; gap: 44px; padding-block: 44px 64px; }
  .hero-mark { width: 112px; height: 112px; border-radius: 26px; }
  .description { margin-block: 24px 28px; font-size: 18px; }
  h1 { font-size: clamp(38px, 8.8vw, 56px); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }