:root {
  color-scheme: dark;
  --bg: #07100d;
  --panel: #0d1915;
  --panel-2: #10221c;
  --text: #e7fff4;
  --muted: #96baa8;
  --line: rgba(142, 255, 205, 0.12);
  --accent: #7affc8;
  --accent-2: #5dcf97;
  --danger: #ff7b7b;
  --warning: #ffd76a;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(122, 255, 200, 0.12), transparent 34%),
    linear-gradient(180deg, #06110f 0%, #081412 45%, #060d0b 100%);
  color: var(--text);
}

body {
  padding: 24px;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(7, 16, 13, 0.82);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 20, 17, 0.75);
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(122, 255, 200, 0.22), rgba(93, 207, 151, 0.1));
  border: 1px solid var(--line);
  color: var(--accent);
  letter-spacing: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
}

.nav a {
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav a:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.cta {
  padding: 11px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04110b;
  font-weight: 700;
}

.hero {
  padding: 44px 22px 22px;
  display: grid;
  gap: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.02;
  margin-bottom: 14px;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  padding: 0 22px 28px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(16, 34, 28, 0.9), rgba(10, 20, 17, 0.95));
  padding: 20px;
}

.card h2,
.card h3 {
  margin-bottom: 10px;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.6;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.9rem;
}

.badge.safe {
  color: var(--accent);
}

.badge.warning {
  color: var(--warning);
}

.badge.danger {
  color: var(--danger);
}

.footer {
  padding: 18px 22px 28px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer a {
  color: var(--text);
}

.stack {
  display: grid;
  gap: 14px;
}

@media (max-width: 720px) {
  body {
    padding: 12px;
  }

  .topbar {
    position: static;
    padding: 16px;
  }

  .hero,
  .grid,
  .footer {
    padding-left: 16px;
    padding-right: 16px;
  }
}