:root {
  color-scheme: light dark;
  --bg: #f7f8fb;
  --card: #ffffff;
  --ink: #171827;
  --muted: #5e6275;
  --line: #dde1ea;
  --accent: #4657d8;
  --accent-soft: #eef1ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11131d;
    --card: #191c28;
    --ink: #f3f5ff;
    --muted: #b6bbcf;
    --line: #303446;
    --accent: #9ea9ff;
    --accent-soft: #252a48;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Segoe UI", sans-serif;
  line-height: 1.75;
}

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

.page {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 48px 20px 72px;
}

.hero,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(24px, 5vw, 48px);
}

.hero {
  margin-top: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .02em;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.18;
}

h2 {
  margin: 36px 0 12px;
  font-size: 24px;
  line-height: 1.35;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p,
ul {
  margin: 0 0 16px;
}

ul {
  padding-left: 1.25rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  background: var(--accent-soft);
  color: var(--accent);
}

.lang {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.note {
  border-left: 4px solid var(--accent);
  padding: 12px 16px;
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
}