:root {
  --bg: #11140f;
  --bg-elev: #1a1f18;
  --ink: #f3efe4;
  --muted: #b7b3a6;
  --line: #2c3228;
  --accent: #c8f06c;
  --accent-ink: #15180f;
  --card: #181d16;
  --max: 68rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

h1, h2, h3, .mark, .btn, .lang, nav {
  font-family: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: #e7ff9a; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 6vw;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.mark {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
nav a:hover { color: var(--ink); }

main { max-width: var(--max); margin: 0 auto; padding: 0 6vw 4rem; }

.hero { padding: 4.5rem 0 3rem; max-width: 46rem; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  font-weight: 650;
  margin: 0.4rem 0 1rem;
  letter-spacing: -0.03em;
}

.lede { font-size: 1.2rem; color: var(--muted); margin: 0 0 1.6rem; }

.cta { display: flex; flex-wrap: wrap; gap: 0.7rem; }

.btn {
  display: inline-block;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 650;
}

.btn:hover { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); }

section { padding: 2.4rem 0; border-top: 1px solid var(--line); }

h2 {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.4rem;
}

h3 { margin: 0 0 0.45rem; font-size: 1.12rem; }

.grid {
  display: grid;
  gap: 1rem;
}

.grid.four { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }

.grid.four article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.15rem 1.2rem;
}

.grid.four p, .card p { margin: 0; color: var(--muted); font-size: 0.98rem; }

.cards { grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr)); }

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem 1.2rem 1.25rem;
  color: inherit;
  text-decoration: none;
  min-height: 9.5rem;
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  color: inherit;
}

.lang {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.55rem;
}

.also { color: var(--muted); margin: 1.3rem 0 0; }
.also a { color: var(--ink); }

.about { max-width: 42rem; }
.about p { color: var(--muted); font-size: 1.08rem; }

.certs {
  columns: 2;
  gap: 2rem;
  padding-left: 1.1rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .certs { columns: 1; }
  .site-header { align-items: flex-start; flex-direction: column; }
}

footer {
  border-top: 1px solid var(--line);
  padding: 2.2rem 6vw 2.4rem;
  color: var(--muted);
  font-size: 0.95rem;
  background: var(--bg-elev);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem 2rem;
}

footer .mark {
  display: inline-block;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

footer p { margin: 0 0 0.35rem; }

footer nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}

.legal {
  max-width: var(--max);
  margin: 1.6rem auto 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

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