:root{
  --bg:#061321;
  --bg-2:#0a2236;
  --ink:#e8f1ff;
  --muted:#8fb7cf;
  --accent:#7fd4ef;
  --line:rgba(127,212,239,.18);
  --ok:#7dffb3;
  --display:Georgia,"Times New Roman",serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(127,212,239,.14), transparent 60%),
    linear-gradient(180deg, var(--bg), #041018 72%, #020b12);
  font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif;
}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#b7ecff}
.top{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1rem clamp(1rem,3vw,2rem);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
  background:rgba(6,19,33,.94);
}
.brand{
  font-family:var(--display);
  font-weight:700;
  font-size:1.25rem;
  color:var(--ink);
  text-decoration:none;
  letter-spacing:.01em;
}
.nav{display:flex;gap:1rem;flex-wrap:wrap}
.nav a{color:var(--muted);text-decoration:none;font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.nav a:hover{color:var(--ink)}
main{width:min(920px,100%);margin:0 auto;padding:1.25rem clamp(1rem,3vw,1.5rem) 3rem}
.hero{padding-top:.5rem}
.eyebrow{
  margin:0 0 .35rem;
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
}
h1{
  margin:0 0 .55rem;
  font-family:var(--display);
  font-size:clamp(2rem,5vw,3rem);
  line-height:1.1;
  font-weight:700;
}
.lede{margin:0 0 1rem;color:var(--muted);max-width:42rem}
.stage{
  position:relative;
  width:100%;
  aspect-ratio:16/11;
  max-height:min(70vh,640px);
  border:1px solid var(--line);
  background:var(--bg-2);
  overflow:hidden;
  contain:layout paint;
}
.stage iframe,.cover,.loader{position:absolute;inset:0;width:100%;height:100%}
.stage iframe{border:0;background:#061321;opacity:0;transition:opacity .2s ease;content-visibility:auto}
.stage[data-gf-state="playing"] iframe{opacity:1}
.cover{
  display:grid;place-items:center;
  background:#041018;
}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.cover button{
  position:relative;z-index:1;
  appearance:none;border:0;cursor:pointer;
  font-family:var(--mono);font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:1rem 1.35rem;border-radius:999px;
  color:#041018;background:var(--accent);
  box-shadow:0 0 0 1px rgba(255,255,255,.15),0 12px 40px rgba(0,0,0,.35);
}
.cover button:hover{filter:brightness(1.06)}
.loader{
  display:none;place-items:center;
  background:rgba(4,16,24,.92);
  font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;font-size:.8rem;color:var(--muted);
}
.stage[data-gf-state="loading"] .loader{display:grid}
.tools{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin:0.85rem 0 0}
.tools button{
  appearance:none;cursor:pointer;
  border:1px solid var(--line);background:rgba(10,34,54,.8);color:var(--ink);
  font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;
  padding:.65rem .9rem;
}
.tools button[aria-pressed="true"],.tools button[data-gf-liked]{border-color:var(--ok);color:var(--ok)}
.block{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid var(--line)}
.block h2{margin:0 0 .8rem;font-family:var(--display);font-size:1.45rem}
.block p,.block li{color:#d5e6f5}
.steps{margin:0;padding-left:1.15rem}
.steps li{margin:.45rem 0}
.faq details{border:1px solid var(--line);padding:.75rem 1rem;margin:0 0 .55rem;background:rgba(10,34,54,.45)}
.faq summary{cursor:pointer;font-weight:650}
.faq p{margin:.55rem 0 0}
.talk form{display:grid;gap:.55rem;margin:0 0 1rem}
.talk input,.talk textarea{
  width:100%;border:1px solid var(--line);background:#041018;color:var(--ink);
  padding:.7rem .8rem;font:inherit
}
.talk textarea{min-height:6rem;resize:vertical}
.talk button[type="submit"]{
  justify-self:start;appearance:none;border:0;cursor:pointer;
  background:var(--accent);color:#041018;font-family:var(--mono);font-weight:700;
  letter-spacing:.06em;text-transform:uppercase;padding:.7rem 1rem
}
[data-gf-comments]{list-style:none;margin:0;padding:0}
[data-gf-comments] li{border:1px solid var(--line);padding:.8rem 1rem;margin:0 0 .55rem;background:rgba(10,34,54,.35)}
[data-gf-comments][data-gf-empty]::before{content:"No comments yet — drop your best depth or a tip for the next diver.";display:block;color:var(--muted);margin-bottom:.8rem}
.foot{
  width:min(920px,100%);margin:0 auto;padding:2rem clamp(1rem,3vw,1.5rem) 3rem;
  border-top:1px solid var(--line);color:var(--muted)
}
.brand-mini{margin:0;font-family:var(--display);color:var(--ink);font-size:1.1rem}
.tag,.disc,.copy{margin:.35rem 0}
.foot-nav{display:flex;flex-wrap:wrap;gap:.9rem;margin:1rem 0}
.foot-nav a{color:var(--muted);text-decoration:none;font-family:var(--mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.page h1{margin-top:0}
@media (max-width:640px){
  .top{align-items:flex-start;flex-direction:column}
  .stage{aspect-ratio:4/5;max-height:62vh}
}