:root {
  --bg: #0b0e14;
  --bg-alt: #111624;
  --card: #161c2c;
  --text: #e7ebf3;
  --text-dim: #9aa4b8;
  --accent: #5eead4;
  --accent-2: #a78bfa;
  --border: #232a3d;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 14, 20, 0.9);
  backdrop-filter: blur(8px);
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--text);
}
.logo span { color: var(--accent); }
nav a {
  color: var(--text-dim);
  margin-left: 28px;
  font-size: 0.95rem;
}
nav a:hover { color: var(--text); text-decoration: none; }
nav a.active { color: var(--text); }

.hero {
  padding: 88px 0 64px;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(94, 234, 212, 0.12), transparent 60%),
    radial-gradient(600px 300px at 85% 20%, rgba(167, 139, 250, 0.12), transparent 60%);
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}
h1 {
  font-size: 2.5rem;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 22ch;
}
h1 .grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 58ch;
  margin: 0 0 32px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}
.btn-primary {
  background: var(--accent);
  color: #08120f;
}
.btn-primary:hover { text-decoration: none; opacity: 0.9; }
.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { text-decoration: none; border-color: var(--accent); }

section { padding: 64px 0; border-top: 1px solid var(--border); }
h2 {
  font-size: 1.7rem;
  margin: 0 0 12px;
}
.section-lede {
  color: var(--text-dim);
  max-width: 60ch;
  margin: 0 0 36px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 26px;
}
.card .icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}
.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.how {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.step {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: var(--bg-alt);
}
.step .num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(94, 234, 212, 0.12);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 8px; font-size: 1rem; }
.step p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

.certs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.cert {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  color: var(--text);
}
.cert:hover {
  text-decoration: none;
  border-color: var(--accent);
}
.cert img {
  width: 72px;
  height: 72px;
  flex: none;
}
.cert-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cert-body strong { font-size: 1rem; }
.cert-org {
  color: var(--text-dim);
  font-size: 0.88rem;
}
.cert-id {
  color: var(--text-dim);
  font-size: 0.82rem;
}
.cert-id code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--text);
  background: rgba(94, 234, 212, 0.08);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  margin-left: 2px;
}
.cert-verify {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 4px;
}
.cert:hover .cert-verify { text-decoration: underline; }

.note {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  color: var(--text-dim);
  font-size: 0.95rem;
}
.note strong { color: var(--text); }

.cta-band {
  text-align: center;
  background: var(--bg-alt);
  border-radius: 16px;
  padding: 52px 32px;
  margin: 0 24px;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: var(--text-dim); margin-bottom: 28px; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 640px) {
  h1 { font-size: 2rem; }
  nav a { margin-left: 16px; font-size: 0.85rem; }
  .cta-band { margin: 0; border-radius: 0; }
}