:root {
  --bg: #0b1520;
  --surface: #12202c;
  --ink: #f2f6f8;
  --muted: #8aa0b0;
  --line: rgba(255, 255, 255, 0.1);
  --teal: #1f6f78;
  --orange: #e85d04;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(700px 380px at 10% -10%, rgba(31, 111, 120, 0.35), transparent 55%),
    radial-gradient(600px 360px at 100% 0%, rgba(232, 93, 4, 0.12), transparent 50%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

.wrap {
  width: min(720px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  text-decoration: none;
  color: inherit;
}

.mark {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #2a9d8f, var(--teal) 60%, #0f1c24);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.02em;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.brand strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
}

.brand span {
  color: var(--muted);
  font-size: 13px;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

.lead {
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 1.02rem;
}

.card {
  background: rgba(18, 32, 44, 0.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 22px 8px;
}

h2 {
  font-size: 1.05rem;
  margin: 0 0 8px;
  font-weight: 800;
}

p,
li {
  color: #d5e0e8;
  font-size: 0.98rem;
}

p {
  margin: 0 0 16px;
}

ul {
  margin: 0 0 16px;
  padding-left: 1.2rem;
}

li {
  margin-bottom: 8px;
}

.meta {
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
}

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 24px;
}

nav.links a {
  color: #7fd4cc;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

nav.links a:hover {
  color: #fff;
}

.accent {
  color: var(--orange);
  font-weight: 700;
}