:root {
  color-scheme: light dark;
  --background: #f4f5fa;
  --surface: rgba(255, 255, 255, 0.88);
  --text: #101322;
  --secondary: #5f6472;
  --accent: #ef3656;
  --blue: #1477ff;
  --border: rgba(16, 19, 34, 0.08);
  --shadow: 0 20px 60px rgba(29, 35, 72, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(20, 119, 255, 0.13), transparent 34rem),
    radial-gradient(circle at 90% 15%, rgba(239, 54, 86, 0.12), transparent 30rem),
    var(--background);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  line-height: 1.65;
}

main {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

.hero {
  padding: 40px;
  color: white;
  border-radius: 32px;
  background: linear-gradient(135deg, #08162f 0%, #123a7a 55%, #401a48 100%);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: #9dc8ff;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 680px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.05rem;
}

.card {
  margin-top: 22px;
  padding: 28px 32px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 12px 36px rgba(29, 35, 72, 0.06);
  backdrop-filter: blur(18px);
}

h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  letter-spacing: -0.015em;
}

p { margin: 8px 0; }
ul { margin: 10px 0 0; padding-left: 1.25rem; }
li + li { margin-top: 8px; }

a { color: var(--blue); font-weight: 650; }
.meta { color: var(--secondary); font-size: 0.92rem; }
.language { margin-top: 22px; text-align: center; }
.language a + a { margin-left: 18px; }

footer {
  margin-top: 32px;
  color: var(--secondary);
  text-align: center;
  font-size: 0.86rem;
}

@media (max-width: 620px) {
  main { padding-top: 22px; }
  .hero { padding: 30px 24px; border-radius: 24px; }
  .card { padding: 22px; border-radius: 20px; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #090b12;
    --surface: rgba(22, 25, 37, 0.9);
    --text: #f5f6fa;
    --secondary: #adb2c0;
    --border: rgba(255, 255, 255, 0.08);
  }
}