:root {
  color-scheme: light;
  --ink: #12263a;
  --muted: #607080;
  --paper: #fffdf9;
  --canvas: #f4eee5;
  --line: #e6ddd1;
  --accent: #ef5b3f;
  --accent-dark: #cc4027;
  --navy: #10283c;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(239, 91, 63, 0.10), transparent 28rem),
    linear-gradient(180deg, #faf6ef 0%, var(--canvas) 100%);
  color: var(--ink);
  min-height: 100vh;
}

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

.site-header {
  width: min(100% - 40px, 920px);
  margin: 0 auto;
  padding: 28px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-nav { display: flex; gap: 18px; }
.site-nav a { color: var(--muted); font-size: 0.92rem; font-weight: 600; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus { color: var(--accent-dark); }

.document, .landing {
  width: min(100% - 40px, 920px);
  margin: 24px auto 64px;
  background: rgba(255, 253, 249, 0.94);
  border: 1px solid rgba(230, 221, 209, 0.9);
  border-radius: 28px;
  box-shadow: 0 22px 70px rgba(31, 44, 56, 0.09);
}

.document { padding: clamp(28px, 6vw, 72px); }
.landing { padding: clamp(32px, 7vw, 82px); overflow: hidden; position: relative; }

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2 { font-family: Georgia, "Times New Roman", serif; color: var(--navy); }
h1 { margin: 10px 0 8px; font-size: clamp(2.25rem, 6vw, 4.7rem); line-height: 0.98; letter-spacing: -0.045em; }
.document h1 { font-size: clamp(2.1rem, 5vw, 3.65rem); line-height: 1.04; }
h2 { margin: 2.25rem 0 0.65rem; font-size: 1.35rem; letter-spacing: -0.015em; }
h3 { margin: 1.4rem 0 0.4rem; font-size: 1rem; }

p, li { font-size: 1rem; line-height: 1.72; }
p { margin: 0.75rem 0; }
li + li { margin-top: 0.45rem; }

.lede { max-width: 680px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); }
.meta { color: var(--muted); font-size: 0.9rem; margin: 0 0 2.2rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 42px;
}

.card {
  display: block;
  min-height: 210px;
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  color: var(--ink);
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.card:hover, .card:focus {
  transform: translateY(-3px);
  border-color: rgba(239, 91, 63, 0.45);
  box-shadow: 0 16px 36px rgba(31, 44, 56, 0.08);
}

.card-mark { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; background: #ffe7df; color: var(--accent-dark); font-weight: 800; }
.card h2 { margin-top: 26px; }
.card p { color: var(--muted); }
.card-link { color: var(--accent-dark); font-weight: 700; }

.notice {
  margin: 1.5rem 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: #fff5f1;
  border-radius: 6px 14px 14px 6px;
}

.footer {
  width: min(100% - 40px, 920px);
  margin: -32px auto 42px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

@media (max-width: 640px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .cards { grid-template-columns: 1fr; }
  .document, .landing { border-radius: 22px; margin-top: 14px; }
}

@media (prefers-color-scheme: dark) {
  :root { color-scheme: dark; --ink: #e9edf0; --muted: #a9b3bc; --paper: #13293c; --canvas: #091a29; --line: #294157; --accent: #ff765c; --accent-dark: #ff8b74; --navy: #f5ede1; }
  body { background: radial-gradient(circle at 8% 0%, rgba(239, 91, 63, 0.13), transparent 28rem), linear-gradient(180deg, #10263a 0%, var(--canvas) 100%); }
  .document, .landing { background: rgba(16, 40, 60, 0.94); border-color: #294157; }
  .card-mark { background: #49312f; }
  .notice { background: #352825; }
}