:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #d7deea;
  --accent: #0b1220;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "SF Pro Text", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #eef3ff 0%, #f7f9ff 40%, #f4f6fb 100%);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin: 2.5rem auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.5rem 1.2rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

@media (min-width: 720px) {
  .container {
    padding: 2.25rem;
  }
}

.eyebrow {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.2;
}

.lead {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

section {
  margin-top: 1.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0;
  font-size: 1.12rem;
}

p {
  margin: 0.6rem 0 0;
}

a {
  color: var(--accent);
  font-weight: 600;
  text-underline-offset: 2px;
}

.en {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.en h2 {
  margin-top: 0;
}

footer {
  margin-top: 1.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: #1e293b;
}