:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #06131e;
  color: #e8f0fb;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 12%, rgba(22, 191, 176, 0.15), transparent 34rem),
    linear-gradient(135deg, #06131e 0%, #0b1728 100%);
}

a { color: #56dfcd; }
a:hover { color: #8defe2; }

.shell {
  min-height: 100vh;
  padding: clamp(1.25rem, 4vw, 4rem);
  display: grid;
  place-items: center;
}

.card {
  width: min(100%, 960px);
  padding: clamp(1.5rem, 5vw, 4.5rem);
  border: 1px solid #263b55;
  border-radius: 28px;
  background: rgba(10, 24, 41, 0.94);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: #37d6c1;
  color: #051821;
  font-weight: 800;
  font-size: 1.1rem;
}

.eyebrow {
  margin: 1.75rem 0 0.65rem;
  color: #78a2bb;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.5rem, 7vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.policy h1 { max-width: none; font-size: clamp(2.4rem, 6vw, 4.7rem); }

.lead {
  max-width: 720px;
  margin: 1.6rem 0 0;
  color: #a9bbd1;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 3rem 0;
}

.facts article {
  padding: 1.25rem;
  border: 1px solid #263b55;
  border-radius: 16px;
  background: #0d1d31;
}

h2 { margin: 2.5rem 0 0.7rem; font-size: 1.25rem; }
.facts h2 { margin: 0 0 0.6rem; font-size: 1rem; }
p, li { color: #b4c2d5; line-height: 1.75; }
.facts p { margin: 0; font-size: 0.92rem; }
code { overflow-wrap: anywhere; color: #d8e5f4; }

.button {
  display: inline-block;
  padding: 0.85rem 1.1rem;
  border-radius: 12px;
  background: #37d6c1;
  color: #051821;
  font-weight: 800;
  text-decoration: none;
}

.button:hover { background: #70eadb; color: #051821; }
.back { display: inline-block; margin-bottom: 1rem; text-decoration: none; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #263b55;
  color: #7890a9;
  font-size: 0.88rem;
}

@media (max-width: 720px) {
  .facts { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}