:root {
  color-scheme: light dark;
  --bg: #edf6ff;
  --card: rgba(255, 255, 255, 0.9);
  --text: #132238;
  --muted: #53657a;
  --accent: #1769aa;
  --border: rgba(23, 105, 170, 0.14);
  --shadow: 0 16px 40px rgba(30, 74, 110, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  background: linear-gradient(180deg, #dcefff 0%, var(--bg) 45%, #f8fbff 100%);
  color: var(--text);
}

.container {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 28px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 26px 28px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero { padding: 34px 32px; }
.eyebrow {
  display: inline-block;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .02em;
  margin-bottom: 8px;
}

h1, h2 { line-height: 1.2; margin-top: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: 14px; }
h2 { font-size: 1.3rem; margin-bottom: 8px; }
p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }
.lead { font-size: 1.12rem; color: var(--muted); }
a { color: var(--accent); font-weight: 600; }
.disclaimer { border-left: 5px solid var(--accent); }
footer { text-align: center; color: var(--muted); font-size: .9rem; padding: 12px 0; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14283b;
    --card: rgba(28, 50, 70, 0.9);
    --text: #f3f7fb;
    --muted: #b8c7d6;
    --accent: #78bfff;
    --border: rgba(160, 205, 244, 0.16);
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  }
  body { background: linear-gradient(180deg, #18344d 0%, var(--bg) 50%, #102130 100%); }
}

@media (max-width: 560px) {
  .container { padding-top: 24px; }
  .card, .hero { padding: 22px 20px; border-radius: 18px; }
}