:root {
  --bg: #07111f;
  --surface: #0f1b2d;
  --surface2: #13243a;
  --text: #ffffff;
  --muted: #a9c3dc;
  --border: rgba(148, 163, 184, .22);
  --primary: #10b8aa;
  --primary2: #0f766e;
  --danger: #ef4444;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(16, 184, 170, .14), transparent 35%),
    linear-gradient(180deg, #0d2134, var(--bg));
  color: var(--text);
  line-height: 1.65;
}

a {
  color: var(--primary);
  text-decoration: none;
}

.wrap {
  width: min(1000px, calc(100% - 34px));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--border);
  background: rgba(7, 17, 31, .86);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 20;
}

nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-size: 24px;
  font-weight: 950;
  letter-spacing: -0.7px;
  color: white;
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-weight: 750;
  font-size: 14px;
}

.nav-links a:hover {
  color: white;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #001b1b !important;
  font-weight: 950;
}

.hero {
  padding: 64px 0 28px;
}

.eyebrow {
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -1.5px;
}

.lead {
  color: var(--muted);
  max-width: 760px;
  margin-top: 18px;
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 28px 0 60px;
}

.card {
  background: rgba(15, 27, 45, .82);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.16);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

.card h3 {
  margin: 22px 0 8px;
  font-size: 18px;
}

.card p,
.card li {
  color: var(--muted);
}

.card ul {
  padding-left: 20px;
}

.notice {
  border-left: 4px solid var(--primary);
  background: rgba(16, 184, 170, .08);
  border-radius: 16px;
  padding: 16px;
  color: var(--muted);
}

.warning {
  border-left-color: var(--warning);
  background: rgba(245, 158, 11, .08);
}

details {
  background: rgba(15, 27, 45, .82);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0;
  overflow: hidden;
}

summary {
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 900;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
  color: var(--primary);
}

details[open] summary::after {
  content: "–";
}

.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 60px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.kv {
  display: grid;
  gap: 10px;
}

.kv div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

.kv span {
  color: var(--muted);
}

@media (max-width: 720px) {
  .grid {
    grid-template-columns: 1fr;
  }

  nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }
}