:root {
  --bg: #0a1626;
  --bg-alt: #0f1f33;
  --card: #13263d;
  --line: #1f3756;
  --text: #e6edf5;
  --muted: #9fb2c8;
  --accent: #ff9900;
  --accent-ink: #1a1000;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

section { padding: 80px 0; }
section.alt { background: var(--bg-alt); }

.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(10, 22, 38, .9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 800; font-size: 1.4rem; color: var(--text); text-decoration: none; }
.logo span { color: var(--accent); }
.nav nav { display: flex; gap: 20px; align-items: center; }
.nav nav a { color: var(--muted); text-decoration: none; }
.nav nav a:hover { color: var(--text); }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink) !important;
  font-weight: 700;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.1); }
.btn-sm { padding: 6px 14px; }
.btn-ghost { background: transparent; color: var(--text) !important; border: 1px solid var(--line); }

.hero {
  padding: 110px 0 90px;
  background: radial-gradient(ellipse at 80% 0%, #1b3a5e 0%, transparent 60%), var(--bg);
}
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 680px; }
.center .lead { margin-left: auto; margin-right: auto; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 48px; }

.certs { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.certs li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: .85rem;
  color: var(--muted);
}
.certs strong { color: var(--text); }
.certs a { color: inherit; text-decoration: none; }
.certs li:has(a) { border-color: var(--accent); }
.links { display: flex; flex-wrap: wrap; gap: 8px 24px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.card p { color: var(--muted); margin: 0; }

.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.steps li { counter-increment: step; border-top: 2px solid var(--accent); padding-top: 16px; }
.steps li::before { content: "0" counter(step); color: var(--accent); font-weight: 800; font-size: 1.4rem; display: block; margin-bottom: 8px; }
.steps p { color: var(--muted); }

.two-col { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; }
@media (max-width: 760px) {
  .two-col { grid-template-columns: 1fr; }
  .nav nav a:not(.btn) { display: none; }
}
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: 12px 0 12px 32px; border-bottom: 1px solid var(--line); position: relative; }
.checks li::before { content: "✓"; color: var(--accent); font-weight: 800; position: absolute; left: 4px; }

.person { display: grid; grid-template-columns: 120px 1fr; gap: 32px; max-width: 860px; }
@media (max-width: 600px) { .person { grid-template-columns: 1fr; } }
.avatar {
  width: 120px; height: 120px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--card); border: 2px solid var(--accent);
  font-size: 2.2rem; font-weight: 800; color: var(--accent);
}
.role { color: var(--accent); font-weight: 600; }
.person p { color: var(--muted); }
.timeline { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: .9rem; }
.timeline span { color: var(--text); font-weight: 700; margin-right: 4px; }

details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 12px 0 0; }

.contact { background: linear-gradient(180deg, var(--bg-alt), var(--bg)); }
.email { box-sizing: content-box; }

footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: .9rem; }
footer p { margin: 0 0 .4em; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }