:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --background: #0b1216;
  --panel: #111c22;
  --line: #32434c;
  --text: #f7f4ed;
  --muted: #bac6ca;
  --orange: #f28c28;
  --mint: #71d6c5;
}

* { box-sizing: border-box; }
html { background: var(--background); }
body { min-height: 100vh; margin: 0; color: var(--text); background: radial-gradient(circle at top right, #26363d, var(--background) 46%); }
a { color: var(--mint); }
a:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; }

header,
main,
footer { width: min(820px, calc(100% - 2rem)); margin-inline: auto; }

header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; color: var(--text); text-decoration: none; }
.brand span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 11px; color: #111a1f; background: var(--orange); font-weight: 950; }
.back-link { font-size: 0.8rem; font-weight: 850; text-underline-offset: 4px; text-transform: uppercase; }

main { padding: clamp(3.5rem, 9vw, 7rem) 0; }
.eyebrow { margin: 0 0 0.8rem; color: var(--orange); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.14em; text-transform: uppercase; }
h1 { max-width: 720px; margin: 0; font-size: clamp(3rem, 9vw, 6rem); line-height: 0.95; letter-spacing: -0.055em; }
.lead { max-width: 720px; margin: 1.5rem 0 3rem; color: #dde5e7; font-size: clamp(1.1rem, 2.5vw, 1.35rem); line-height: 1.65; }

section { margin-top: 1rem; padding: clamp(1.35rem, 4vw, 2.2rem); border: 1px solid var(--line); border-radius: 14px; background: rgba(17, 28, 34, 0.92); }
h2 { margin: 0 0 1rem; color: var(--mint); font-size: clamp(1.25rem, 3vw, 1.7rem); }
p,
li { color: var(--muted); line-height: 1.7; }
ul { margin: 0; padding-left: 1.25rem; }
li + li { margin-top: 0.55rem; }
.choice { margin-top: 2rem; border-color: rgba(242, 140, 40, 0.65); }
.button { display: inline-flex; min-height: 48px; align-items: center; margin-top: 0.5rem; padding: 0.8rem 1rem; border-radius: 6px; color: #111a1f; background: var(--orange); font-weight: 900; text-decoration: none; }

footer { display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem 0 2.5rem; border-top: 1px solid var(--line); color: #87969d; font-size: 0.78rem; }
footer a { text-underline-offset: 4px; }

@media (max-width: 560px) {
  header,
  footer { align-items: flex-start; flex-direction: column; }
  h1 { font-size: clamp(2.8rem, 16vw, 4.6rem); }
  .button { width: 100%; justify-content: center; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}