:root {
  color-scheme: dark;
  --background: #0b1811;
  --surface: #13231a;
  --line: #30463a;
  --ink: #f8f5ee;
  --muted: #aeb9b1;
  --green: #359167;
  --orange: #f59a52;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
}

a { color: var(--orange); }

.site-header,
main,
footer {
  width: min(100% - 36px, 900px);
  margin-inline: auto;
}

.site-header {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: #f4f3ef;
  font-size: 25px;
}

.brand strong {
  display: block;
  color: var(--orange);
  font-size: 13px;
  letter-spacing: 2px;
}

.brand small { color: var(--muted); }

nav { display: flex; gap: 20px; }
nav a { color: var(--ink); font-weight: 700; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--orange); }

main { padding-block: 54px 72px; }

article {
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface);
}

h1, h2 { line-height: 1.2; }
h1 { margin-top: 0; font-size: clamp(2.2rem, 7vw, 4rem); letter-spacing: -0.04em; }
h2 { margin-top: 2.3rem; color: var(--orange); font-size: 1.35rem; }
p, li { color: #e5e8e5; }
strong { color: var(--ink); }

footer {
  padding-block: 28px 42px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 660px) {
  body { font-size: 16px; }
  .site-header { padding-block: 18px; align-items: flex-start; }
  .brand small { display: none; }
  nav { flex-direction: column; gap: 2px; text-align: right; }
  main { padding-block: 26px 48px; }
  article { border-radius: 22px; }
  footer { flex-direction: column; }
}