:root {
  color-scheme: light;
  --red: #b42318;
  --red-dark: #7a1b16;
  --ink: #20242c;
  --muted: #6b7280;
  --canvas: #f6f7f9;
  --line: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.65;
}

header {
  color: white;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
}

.header-inner,
main,
footer {
  width: min(920px, calc(100% - 32px));
  margin: auto;
}

.header-inner { padding: 52px 0 44px; }
.brand { font-size: 1.15rem; font-weight: 800; opacity: .9; }
h1 { margin: 8px 0 10px; font-size: clamp(2rem, 7vw, 3.3rem); line-height: 1.1; }
.lead { max-width: 690px; margin: 0; font-size: 1.08rem; opacity: .9; }

main {
  margin-top: 28px;
  margin-bottom: 46px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: white;
  box-shadow: 0 14px 40px rgba(32, 36, 44, .07);
}

h2 { margin-top: 30px; line-height: 1.25; }
h2:first-child { margin-top: 0; }
a { color: var(--red); font-weight: 650; }
.meta, .note { color: var(--muted); }
.note {
  padding: 16px 18px;
  border-left: 4px solid var(--red);
  border-radius: 8px;
  background: #fff4f2;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.button {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 10px;
  color: white;
  background: var(--red);
  text-decoration: none;
}
.button.secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: white;
}
footer { padding-bottom: 36px; text-align: center; color: var(--muted); }

@media (max-width: 620px) {
  .header-inner { padding: 38px 0 32px; }
  main { padding: 22px 18px; margin-top: 18px; }
}