:root {
  --bg: #0a0f1a;
  --card: #141c2e;
  --neon: #ff2d6a;
  --surf: #00e5c8;
  --gold: #ffd54a;
  --text: #f2f6ff;
  --muted: #8ba3c7;
  --border: #2a3d5c;
  --weed: #7cfc4a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,45,106,.08), rgba(0,229,200,.06));
  pointer-events: none;
  z-index: -1;
}
a { color: var(--surf); }
a:hover { color: var(--gold); }
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  padding: 1rem 1.5rem;
  border-bottom: 2px solid var(--neon);
  background: rgba(10,15,26,.92);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-nav strong { color: var(--gold); margin-right: auto; }
.site-nav a { text-decoration: none; font-weight: 600; font-size: .9rem; }
.site-nav a.active { color: var(--neon); }
.hero {
  padding: 2.5rem 1.5rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}
.hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  background: linear-gradient(90deg, var(--gold), var(--neon), var(--surf));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.terminal {
  font-family: "Cascadia Code", Consolas, monospace;
  background: #050810;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-size: .85rem;
  color: var(--weed);
}
.terminal .dim { color: var(--muted); }
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}
.stat b { display: block; font-size: 1.75rem; color: var(--surf); }
.stat span { font-size: .75rem; color: var(--muted); text-transform: uppercase; }
main { max-width: 960px; margin: 0 auto; padding: 0 1.5rem 3rem; }
section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}
section h2 { margin: 0 0 .75rem; color: var(--gold); font-size: 1.15rem; }
.grid-2 { display: grid; gap: 1rem; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.instructor-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--neon), var(--surf));
  flex-shrink: 0;
}
.btn {
  display: inline-block;
  background: var(--neon);
  color: #fff;
  text-decoration: none;
  padding: .65rem 1.2rem;
  border-radius: 8px;
  font-weight: 700;
  margin-top: .5rem;
}
.btn.secondary { background: transparent; border: 2px solid var(--surf); color: var(--surf); }
.muted { color: var(--muted); font-size: .9rem; }
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: .8rem;
  border-top: 1px solid var(--border);
}
.cert-page { max-width: 820px; margin: 0 auto; padding: 1.5rem; }
.cert-frame {
  background: #fffef5;
  color: #1a1a2e;
  border: 8px double #8b4513;
  border-radius: 4px;
  padding: 2rem;
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
}
.cert-frame h1 { font-family: Georgia, serif; text-align: center; margin: 0 0 .25rem; color: #5c1a1a; }
.cert-frame .latin { text-align: center; font-style: italic; color: #666; margin-bottom: 1.5rem; }
.cert-art { width: 100%; max-height: 200px; margin: 1rem 0; }
.sig { font-family: "Brush Script MT", cursive; font-size: 1.5rem; color: #5c1a1a; }
.verify { font-size: .75rem; color: #444; margin-top: 1rem; }
.gallery { display: grid; gap: 1rem; }
@media (min-width: 500px) { .gallery { grid-template-columns: 1fr 1fr; } }
.gallery a {
  display: block;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
}
.gallery a:hover { border-color: var(--neon); }
.tag { display: inline-block; font-size: .7rem; padding: .2rem .5rem; border-radius: 4px; background: rgba(0,229,200,.15); color: var(--surf); margin-right: .35rem; }
.voice-btn { cursor: pointer; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: .4rem .75rem; border-radius: 6px; font-size: .8rem; }
.voice-btn:disabled { opacity: .5; }