:root{
  --abyss:#01060c;
  --deep:#04121f;
  --shelf:#0a2136;
  --edge:rgba(53,224,200,.18);
  --glow:#35e0c8;
  --glow-dim:rgba(53,224,200,.55);
  --ink:#e8f6f4;
  --ink-dim:#8fb3b8;
  --amber:#f2b25c;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--abyss);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;
  background-image:
    radial-gradient(1200px 700px at 50% -140px,rgba(53,224,200,.10),transparent 70%),
    radial-gradient(900px 500px at 85% 20%,rgba(28,88,140,.22),transparent 70%),
    linear-gradient(180deg,#03101b 0%,#020a12 55%,#01060c 100%);
  background-attachment:fixed;
}
a{color:var(--glow);text-decoration:none;border-bottom:1px solid var(--glow-dim)}
a:hover{border-bottom-color:var(--glow)}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 18px}

/* ---------- header ---------- */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0 10px}
.brand{display:flex;align-items:center;gap:10px;border:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
.brand .mark{width:26px;height:26px;border-radius:6px;background:linear-gradient(160deg,var(--glow),#0e7f75);color:#00120f;
  display:grid;place-items:center;font-family:var(--mono);font-size:13px;font-weight:700}
.nav{display:flex;gap:16px;font-size:14px;align-items:center}
.nav a{border:0;color:var(--ink-dim)}
.nav a:hover{color:var(--glow)}

/* ---------- h1 ---------- */
h1{font-size:clamp(25px,5.2vw,40px);line-height:1.12;margin:10px 0 4px;letter-spacing:-.5px}
h1 .sub{display:block;font-family:var(--mono);font-size:12px;letter-spacing:2.4px;text-transform:uppercase;
  color:var(--glow);margin-bottom:8px;font-weight:600}

/* ---------- player stage ---------- */
.stage{
  position:relative;width:100%;aspect-ratio:16/9;margin:14px 0 10px;
  background:#020d16;border:1px solid var(--edge);border-radius:10px;overflow:hidden;
  box-shadow:0 24px 60px -24px rgba(0,0,0,.9),inset 0 0 0 1px rgba(255,255,255,.02);
}
.stage iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}

.cover{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:18px;
  background:linear-gradient(180deg,#08283d 0%,#041421 60%,#01080f 100%);cursor:pointer}
.cover::after{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(180deg,rgba(53,224,200,.07) 0 1px,transparent 1px 34px);opacity:.5;pointer-events:none}
.cover-in{position:relative;z-index:2;max-width:560px}
.cover-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--glow);margin-bottom:10px}
.cover-title{font-size:clamp(22px,4.4vw,34px);font-weight:800;margin:0 0 6px;line-height:1.1}
.cover-note{color:var(--ink-dim);font-size:14px;margin:0 0 16px}
.play{font:inherit;font-weight:700;font-size:17px;padding:14px 30px;border-radius:8px;border:0;cursor:pointer;
  color:#00120f;background:linear-gradient(180deg,#5cf0da,#22c2ac);
  box-shadow:0 10px 26px -8px rgba(53,224,200,.6)}
.play:hover{filter:brightness(1.06)}
.play:active{transform:translateY(1px)}

/* loader = depth gauge */
.loader{position:absolute;inset:0;display:none;place-items:center;background:#01080f;z-index:3}
.stage[data-gf-state="loading"] .loader{display:grid}
.stage[data-gf-state="playing"] .cover{display:none}
.loader-box{text-align:center;width:min(78%,340px)}
.loader-label{font-family:var(--mono);font-size:11px;letter-spacing:2.6px;text-transform:uppercase;color:var(--glow);margin-bottom:12px}
.gauge{height:6px;border-radius:3px;background:rgba(255,255,255,.08);overflow:hidden;position:relative}
.gauge::after{content:"";position:absolute;top:0;left:0;height:100%;width:38%;border-radius:3px;
  background:linear-gradient(90deg,transparent,var(--glow));animation:dive 1.25s ease-in-out infinite}
@keyframes dive{0%{left:-38%}100%{left:100%}}
.loader-depth{font-family:var(--mono);font-size:13px;color:var(--ink-dim);margin-top:10px}

/* ---------- action row ---------- */
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 26px}
.chip{font:inherit;font-size:14px;display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:7px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.10);color:var(--ink);cursor:pointer}
.chip:hover{border-color:var(--glow-dim);color:#fff}
.chip[aria-pressed="true"],.chip[data-gf-liked]{border-color:var(--glow);color:var(--glow);background:rgba(53,224,200,.10)}
.chip .num{font-family:var(--mono);font-size:13px;color:var(--ink-dim)}
.chip[aria-pressed="true"] .num{color:var(--glow)}
.chip-note{font-family:var(--mono);font-size:12px;color:var(--ink-dim)}

/* ---------- prose ---------- */
main{padding-bottom:56px}
h2{font-size:clamp(20px,3.2vw,26px);margin:40px 0 12px;line-height:1.25;padding-left:13px;border-left:3px solid var(--glow)}
h3{font-size:18px;margin:24px 0 8px;color:#cdeee9}
p{margin:0 0 14px;color:#d3e7e5}
ul,ol{margin:0 0 16px;padding-left:22px;color:#d3e7e5}
li{margin:0 0 7px}
strong{color:#fff}
.lede{font-size:18px;color:#c6e2df}
.note{border:1px solid var(--edge);background:rgba(53,224,200,.045);border-radius:8px;padding:14px 16px;margin:18px 0;font-size:15px}
.note b{color:var(--glow)}
.table{width:100%;border-collapse:collapse;margin:14px 0 18px;font-size:15px}
.table th,.table td{text-align:left;padding:9px 10px;border-bottom:1px solid rgba(255,255,255,.08)}
.table th{font-family:var(--mono);font-size:12px;letter-spacing:1.2px;text-transform:uppercase;color:var(--glow);font-weight:600}
.table td:last-child{font-family:var(--mono);color:var(--ink)}

/* faq */
.faq{margin:10px 0 0}
.faq details{border:1px solid rgba(255,255,255,.09);border-radius:8px;margin:0 0 9px;background:rgba(255,255,255,.025)}
.faq summary{cursor:pointer;padding:13px 16px;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+ ";color:var(--glow);font-family:var(--mono)}
.faq details[open] summary::before{content:"− "}
.faq .ans{padding:0 16px 14px;color:#c6dcda;font-size:16px}

/* comments */
.comments{margin-top:34px}
.cform{display:grid;gap:8px;margin:12px 0 18px}
.cform input,.cform textarea{font:inherit;font-size:15px;padding:11px 12px;border-radius:7px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);color:var(--ink);width:100%}
.cform textarea{min-height:88px;resize:vertical}
.cform button{justify-self:start;font:inherit;font-weight:600;padding:10px 22px;border-radius:7px;border:0;cursor:pointer;
  background:var(--glow);color:#00120f}
.cform [data-gf-reply-to]{font-family:var(--mono);font-size:12px;color:var(--glow)}
.cmsg{font-size:14px;color:var(--ink-dim)}
.clist{display:grid;gap:10px}
.clist[data-gf-empty]::before{content:"No dives logged yet. Tell everyone your best score — or the trick that got you there.";
  display:block;color:var(--ink-dim);font-size:15px;padding:14px;border:1px dashed rgba(255,255,255,.14);border-radius:8px}
.citem{border:1px solid rgba(255,255,255,.09);border-radius:8px;padding:12px 14px;background:rgba(255,255,255,.02)}
.citem[data-gf-owner]{border-color:var(--glow-dim);background:rgba(53,224,200,.05)}
.chead{display:flex;gap:10px;align-items:baseline;margin-bottom:5px}
.cname{font-weight:700;font-size:15px}
.citem[data-gf-owner] .cname::after{content:" site host";font-family:var(--mono);font-size:10px;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--glow);font-weight:600}
.ctime{font-family:var(--mono);font-size:11px;color:var(--ink-dim)}
.ctext{font-size:15.5px;color:#d9ecea;white-space:pre-wrap;word-break:break-word}
.creply{font:inherit;font-size:13px;background:none;border:0;color:var(--glow-dim);cursor:pointer;padding:6px 0 0}
.creply:hover{color:var(--glow)}
.creplies{margin:10px 0 0 14px;display:grid;gap:8px;border-left:1px solid rgba(53,224,200,.22);padding-left:12px}
.cto{font-family:var(--mono);font-size:12px;color:var(--glow);margin-right:5px}

/* footer */
footer{border-top:1px solid rgba(255,255,255,.08);padding:26px 0 40px;font-size:14px;color:var(--ink-dim)}
footer .cols{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:14px}
footer a{border:0;color:var(--ink-dim)}
footer a:hover{color:var(--glow)}
footer .fine{margin-top:16px;font-size:12.5px;line-height:1.7;color:#6d8f95;max-width:760px}

@media(max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 14px}
  .stage{aspect-ratio:4/5;margin:12px 0 8px;border-radius:8px}
  .play{padding:13px 26px;font-size:16px}
  .actions{gap:7px}
  .chip{padding:8px 12px;font-size:13.5px}
  h2{margin-top:32px}
  footer .cols{flex-direction:column;gap:16px}
}
@media(prefers-reduced-motion:reduce){
  .gauge::after{animation:none;left:0;width:60%}
}