:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #e7eef8;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 8%, rgba(27, 119, 166, .22), transparent 36rem),
    linear-gradient(145deg, #07111f 0%, #0a1727 52%, #0d1c2b 100%);
}

.page {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: .04em;
}

.mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(123, 214, 255, .45);
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(52, 189, 235, .24), rgba(29, 99, 151, .12));
  color: #8bddff;
}

.environment {
  padding: 8px 12px;
  border: 1px solid rgba(128, 159, 191, .24);
  border-radius: 999px;
  color: #a9bad0;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero {
  max-width: 820px;
  padding-bottom: 44px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #73d2ff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: .98;
  letter-spacing: -.055em;
}

.lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: #aabbd0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.6;
}

.notice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin: 0 0 28px;
  padding: 18px 20px;
  border: 1px solid rgba(250, 190, 70, .25);
  border-radius: 16px;
  background: rgba(134, 88, 16, .12);
  color: #e8cf9b;
  line-height: 1.5;
}

.notice strong { color: #ffd783; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  min-height: 164px;
  padding: 22px;
  border: 1px solid rgba(133, 169, 204, .16);
  border-radius: 18px;
  background: rgba(13, 31, 50, .72);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .12);
}

.card span {
  display: inline-block;
  margin-bottom: 32px;
  color: #6f8299;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: #8fa3ba;
  font-size: 14px;
  line-height: 1.5;
}

footer {
  margin-top: 44px;
  color: #667a91;
  font-size: 12px;
}

@media (max-width: 780px) {
  .topbar { padding-bottom: 40px; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .card span { margin-bottom: 18px; }
}