/* DiveDex — divedex.donarundas.com. Single committed dark "underwater" world. */
:root{
  --reef:url("assets/reef.jpg");
  --ink:#08181E; --ink2:#06141A; --deep:#050f14;
  --teal:#33D2C9; --teal-d:#1BA89F; --mint:#C6EAE8;
  --text:#F2FAF9; --muted:#9FB8B6; --faint:#6E8A88;
  --amber:#E0B341;
  --glass:rgba(8,24,30,.55); --stroke:rgba(255,255,255,.12);
  --card:rgba(255,255,255,.035); --card-stroke:rgba(255,255,255,.08);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,"Segoe UI",Roboto,sans-serif;
  --wrap:1120px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
body{margin:0;color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.6;
  background:
    radial-gradient(120% 70% at 50% -8%, #0e3944 0%, transparent 55%),
    radial-gradient(90% 60% at 85% 20%, rgba(51,210,201,.08) 0%, transparent 50%),
    var(--deep);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px;}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);}
h1,h2,h3{letter-spacing:-.02em;text-wrap:balance;margin:0;}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(5,15,20,.85),rgba(5,15,20,.45));border-bottom:1px solid rgba(255,255,255,.06);}
.nav .wrap{display:flex;align-items:center;gap:14px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;}
.brand img{width:30px;height:30px;border-radius:9px;box-shadow:0 0 16px rgba(51,210,201,.35);}
.nav nav{margin-left:auto;display:flex;align-items:center;gap:26px;}
.nav nav a{font-size:14px;color:var(--muted);font-weight:500;}
.nav nav a:hover{color:var(--text);}
.nav .cta{color:#06231f;background:var(--teal);padding:8px 15px;border-radius:20px;font-weight:700;font-size:13.5px;}
@media(max-width:720px){.nav nav a.hidesm{display:none;}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;border-radius:26px;padding:13px 22px;}
.btn-primary{color:#06231f;background:var(--teal);box-shadow:0 10px 30px rgba(51,210,201,.28);}
.btn-primary:hover{filter:brightness(1.05);}
.btn-ghost{color:var(--text);border:1px solid var(--stroke);}
.btn-ghost:hover{border-color:var(--teal);color:var(--mint);}
.btn svg{width:17px;height:17px;}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;padding:66px 0 40px;}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.hero .appicon{width:74px;height:74px;border-radius:20px;box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.06);}
.hero h1{font-size:clamp(38px,6vw,60px);font-weight:800;line-height:1.02;margin:22px 0 0;}
.hero h1 em{font-style:normal;color:var(--teal);}
.hero .lede{font-size:18px;color:var(--mint);opacity:.9;margin:18px 0 0;max-width:34ch;}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero .micro{font-size:12.5px;color:var(--faint);margin-top:14px;}
.hero-phone{justify-self:center;}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;text-align:center;}
  .hero .lede{margin-inline:auto;}.hero .actions{justify-content:center;}.hero-phone{margin-top:8px;}}

/* ---- section scaffolding ---- */
section{padding:56px 0;}
.sec-head{max-width:56ch;}
.sec-head h2{font-size:clamp(28px,4vw,40px);font-weight:800;margin-top:10px;}
.sec-head p{color:var(--muted);font-size:16px;margin-top:12px;}

/* feature rows */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0;border-top:1px solid rgba(255,255,255,.05);}
.feat.rev .fcopy{order:2;}
.feat h3{font-size:26px;font-weight:800;}
.feat p{color:var(--muted);font-size:16px;margin-top:12px;}
.feat ul{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.feat li{display:flex;gap:11px;font-size:15px;color:var(--text);}
.feat li svg{width:19px;height:19px;flex:none;margin-top:2px;stroke:var(--teal);fill:none;stroke-width:2;}
.fmedia{display:flex;justify-content:center;}
@media(max-width:860px){.feat{grid-template-columns:1fr;gap:26px;}.feat.rev .fcopy{order:0;}}

/* pill grid (species / packs) */
.pillgrid{display:flex;flex-wrap:wrap;gap:9px;margin-top:8px;}
.tag{font-size:13px;font-weight:600;color:var(--text);padding:8px 13px;border-radius:20px;
  background:rgba(51,210,201,.08);border:1px solid rgba(51,210,201,.22);}

/* privacy band */
.band{background:linear-gradient(180deg,rgba(51,210,201,.06),transparent);border-block:1px solid rgba(255,255,255,.06);}
.band .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px;}
.pcard{background:var(--card);border:1px solid var(--card-stroke);border-radius:16px;padding:18px;}
.pcard svg{width:22px;height:22px;stroke:var(--teal);fill:none;stroke-width:1.8;}
.pcard h4{font-size:15px;font-weight:700;margin:12px 0 5px;}
.pcard p{font-size:13px;color:var(--muted);margin:0;}
@media(max-width:860px){.band .grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.band .grid{grid-template-columns:1fr;}}

/* maker */
.maker{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--card-stroke);border-radius:24px;padding:28px;}
.maker .ic{width:64px;height:64px;border-radius:18px;border:1.6px solid var(--teal);display:grid;place-items:center;box-shadow:0 0 22px rgba(51,210,201,.3);}
.maker .ic svg{width:34px;height:22px;}
.maker h3{font-size:22px;font-weight:800;}
.maker p{color:var(--muted);font-size:15px;margin:8px 0 0;}
.maker a.lnk{color:var(--teal);font-weight:700;font-size:14px;}
@media(max-width:620px){.maker{grid-template-columns:1fr;text-align:center;}.maker .ic{margin:0 auto;}}

/* cta */
.finalcta{text-align:center;}
.finalcta h2{font-size:clamp(30px,5vw,46px);font-weight:800;}
.finalcta p{color:var(--muted);margin:14px auto 0;max-width:46ch;}

/* footer */
footer{border-top:1px solid rgba(255,255,255,.07);padding:38px 0 54px;color:var(--faint);}
footer .row{display:flex;flex-wrap:wrap;gap:18px;align-items:center;}
footer .brand{font-size:16px;color:var(--text);}
footer nav{margin-left:auto;display:flex;gap:22px;flex-wrap:wrap;}
footer nav a{font-size:14px;color:var(--muted);}
footer nav a:hover{color:var(--text);}
footer .fine{font-size:12.5px;margin-top:20px;line-height:1.7;max-width:80ch;}

/* ===== phone mockup (from the app UI) ===== */
.phone{border-radius:38px;padding:8px;background:#0a0d0f;box-shadow:0 0 0 2px #1b2226,0 26px 60px rgba(0,0,0,.55);width:290px;}
.screen{position:relative;aspect-ratio:9/19.5;border-radius:30px;overflow:hidden;background:var(--ink);}
.photo{position:absolute;inset:0;background:var(--reef) center/cover;}
.scrim-b{position:absolute;left:0;right:0;bottom:0;height:52%;background:linear-gradient(to top,rgba(4,12,16,.94),rgba(4,12,16,.35) 55%,transparent);}
.scrim-t{position:absolute;left:0;right:0;top:0;height:20%;background:linear-gradient(to bottom,rgba(4,12,16,.6),transparent);}
.tb{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:7px;padding:12px 13px;z-index:4;}
.tb .mk{width:21px;height:21px;border-radius:7px;border:1.3px solid var(--teal);display:grid;place-items:center;}
.tb .mk svg{width:12px;height:8px;}
.tb .wm{font-size:12px;font-weight:700;}
.tb .sp{flex:1;}
.pill2{display:inline-flex;align-items:center;gap:5px;font-size:9.5px;font-weight:700;padding:5px 9px;border-radius:20px;background:var(--glass);border:1px solid var(--stroke);color:var(--mint);}
.pill2.on{color:var(--teal);border-color:rgba(51,210,201,.4);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--teal);}
.reticle{position:absolute;top:34%;left:50%;transform:translate(-50%,-50%);width:60%;aspect-ratio:1;z-index:3;}
.reticle svg{width:100%;height:100%;filter:drop-shadow(0 0 10px rgba(51,210,201,.5));}
.idcard{position:absolute;left:11px;right:11px;bottom:74px;z-index:5;display:flex;gap:10px;align-items:center;padding:10px 11px;border-radius:18px;background:var(--glass);border:1px solid var(--stroke);backdrop-filter:blur(14px);}
.idcard .th{width:46px;height:46px;border-radius:12px;background:var(--reef) center/cover;flex:none;box-shadow:0 0 0 1px rgba(255,255,255,.1);}
.idcard .nm{font-size:15px;font-weight:700;line-height:1.1;}
.idcard .sci{font-size:11px;font-style:italic;color:var(--mint);margin-top:2px;}
.idcard .lin{font-size:9px;color:var(--faint);margin-top:3px;}
.idcard .pc{margin-left:auto;text-align:right;}
.idcard .pc b{font-size:16px;color:var(--teal);}
.idcard .pc span{display:block;font-size:8.5px;color:var(--faint);}
.shutter{position:absolute;bottom:15px;left:50%;transform:translateX(-50%);z-index:5;width:52px;height:52px;border-radius:50%;border:3px solid rgba(255,255,255,.92);display:grid;place-items:center;}
.shutter::after{content:"";width:40px;height:40px;border-radius:50%;background:#fff;}
.screen.dark{background:linear-gradient(180deg,#0a2029,var(--ink2));}
.sheet{position:absolute;inset:0;padding:15px 14px;display:flex;flex-direction:column;gap:11px;overflow:hidden;}
.sheet h3{font-size:18px;font-weight:800;}
.sheet .sub{font-size:11.5px;color:var(--muted);}
.mini{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:15px;padding:11px;}
.chips{display:flex;flex-wrap:wrap;gap:6px;}
.mchip{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:600;color:#fff;padding:6px 9px;border-radius:11px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);}
.mchip svg{width:11px;height:11px;stroke:var(--teal);fill:none;stroke-width:1.6;}
.lrow{display:flex;align-items:center;gap:9px;padding:8px 2px;border-bottom:1px solid rgba(255,255,255,.06);}
.lrow:last-child{border-bottom:0;}
.lrow .t{width:34px;height:34px;border-radius:9px;background:var(--reef) center/cover;flex:none;}
.lrow .t.b{filter:hue-rotate(150deg) saturate(.8) brightness(.9);}
.lrow .t.c{filter:hue-rotate(60deg) saturate(1.1);}
.lrow .n{font-size:12.5px;font-weight:600;}
.lrow .s{font-size:10px;font-style:italic;color:var(--muted);}
.lrow .r{margin-left:auto;font-size:12px;font-weight:700;color:var(--teal);}
.lrow .x{font-size:10px;color:var(--faint);margin-left:9px;}
.verify{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:13px;padding:11px;}
.verify .hd{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;}
.verify .hd svg{width:13px;height:13px;stroke:var(--teal);fill:none;stroke-width:1.7;}
.verify .ok{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:var(--teal);margin-top:7px;}
.verify .ok svg{width:13px;height:13px;fill:var(--teal);}
.verify .g{font-size:10px;color:var(--faint);margin-top:4px;}
.sbtn{display:flex;align-items:center;justify-content:center;gap:7px;margin-top:11px;font-size:13px;font-weight:800;color:#07231f;background:var(--teal);border-radius:20px;padding:10px;}
.sbtn svg{width:14px;height:14px;fill:#07231f;}

/* ===== doc pages (privacy / support) ===== */
.doc{max-width:760px;margin:0 auto;padding:48px 22px 80px;}
.doc .eyebrow{margin-bottom:8px;}
.doc h1{font-size:38px;font-weight:800;}
.doc .updated{color:var(--faint);font-size:13.5px;margin-top:8px;}
.doc h2{font-size:22px;font-weight:800;margin:36px 0 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.07);}
.doc h3{font-size:17px;font-weight:700;margin:22px 0 0;}
.doc p,.doc li{color:#D6E6E4;font-size:15.5px;}
.doc ul{padding-left:20px;display:flex;flex-direction:column;gap:8px;margin:14px 0;}
.doc a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;}
.doc .lead{font-size:17px;color:var(--mint);}
.back{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:14px;margin-bottom:26px;}
.back:hover{color:var(--text);}