:root {
  color-scheme: light dark;
  --paper: #F4F3EF;
  --card: #FFFFFF;
  --ink: #1B1D1F;
  --muted: #5E6268;
  --line: #DCDAD3;
  --accent: #1F5E7A;
  --a: #3A5BA0;
  --b: #2E7D6B;
  --gold: #F2C14E;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E0F10;
    --card: #1C1C1E;
    --ink: #F2F2F0;
    --muted: #A3A7AD;
    --line: #34363A;
    --accent: #6FB6D6;
    --a: #93AEEA;
    --b: #72C9B0;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

main, footer {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

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

.hero { padding: 80px 0 48px; }

.mark {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  width: 72px;
  height: 72px;
  padding: 14px;
  border-radius: 18px;
  background: #1F5E7A;
}
.mark span { display: block; width: 18px; border-radius: 5px; }
.mark .a { height: 36px; background: #F4F3EF; }
.mark .b { height: 24px; background: #72C9B0; }

.eyebrow {
  margin: 26px 0 8px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(38px, 6.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -.03em;
}

.lead {
  max-width: 700px;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(19px, 2.6vw, 24px);
}

section { padding: 24px 0 40px; }
h2 { font-size: 28px; letter-spacing: -.02em; }
h3 { margin-top: 0; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

article, .note {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
}

.values { width: 100%; border-collapse: collapse; }
.values td { padding: 6px 0; border-bottom: 1px solid var(--line); }
.values td:last-child { text-align: right; font-variant-numeric: tabular-nums; }

.button {
  display: inline-block;
  margin: 6px 8px 0 0;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 600;
}

footer { padding: 32px 0 48px; color: var(--muted); font-size: 14px; }

@media (max-width: 680px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
}