:root{
  --ink:#e9f4f5; --mute:#9fc2c8; --line:rgba(190,230,236,.18);
  --aqua:#8fe3ea; --sea:#3aa6b9; --bg:#06303d;
  --loss:0; --gutter:clamp(20px,5vw,72px);
  --f:"Familjen Grotesk",system-ui,sans-serif; --m:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{overflow-x:clip}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font:400 17px/1.6 var(--f);color:var(--ink);background:var(--bg);transition:background-color .4s linear;-webkit-font-smoothing:antialiased}
img,video{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{font-weight:600;letter-spacing:-.015em;line-height:1.08}
h2{font-size:clamp(30px,3.6vw,48px);margin-bottom:.5em;max-width:16ch}
h3{font-size:22px}
p{max-width:62ch}
.wrap{width:min(1180px,100% - var(--gutter)*2 - 2*var(--gz,0px));margin-inline:auto;position:relative}
section{position:relative;padding:clamp(96px,14vh,160px) 0}
main{position:relative;z-index:1}
@media (min-width:761px){:root{--gz:max(0px,150px - var(--gutter))}.reel{margin-right:140px}}

#snow{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 24px;border-radius:999px;background:var(--aqua);color:#032029;font-weight:600;font-size:16px;text-decoration:none;border:1px solid var(--aqua);transition:background .2s,color .2s,transform .2s}
.btn:hover{background:#c6f4f7}
.btn-line{background:transparent;color:var(--ink);border-color:rgba(233,244,245,.5)}
.btn-line:hover{background:rgba(233,244,245,.1)}
.btn-sm{padding:9px 18px;font-size:15px}
.btn[disabled]{opacity:.35;cursor:default}

/* header */
.nav{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px var(--gutter);background:linear-gradient(rgba(3,22,30,.75),rgba(3,22,30,0));}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand svg{width:40px;height:24px;fill:none;stroke:var(--aqua);stroke-width:2.6;stroke-linecap:round}
.brand span{font-weight:700;font-size:19px;line-height:1}
.brand small{display:block;font:500 11px var(--m);letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin-top:4px}
.links{display:flex;gap:26px}
.links a{text-decoration:none;font-size:15px;color:var(--mute);transition:color .2s}
.links a:hover{color:var(--ink)}

/* gauge */
.gauge{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:30;width:118px;padding:14px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(2,18,25,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);font-family:var(--m)}
.g-label{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.g-depth{display:flex;align-items:baseline;gap:3px;margin-top:2px}
.g-depth b{font-size:26px;font-weight:500;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.g-depth span{font-size:13px;color:var(--mute)}
.g-ft{font-size:12px;color:var(--mute);margin-bottom:10px;font-variant-numeric:tabular-nums}
.g-scale{position:relative;height:120px;margin:0 0 12px 4px;border-left:1px solid var(--line);background:repeating-linear-gradient(transparent 0 11px,var(--line) 11px 12px) left/8px 100% no-repeat}
.g-scale i{position:absolute;left:-5px;top:0;width:9px;height:9px;border-radius:50%;background:var(--aqua);box-shadow:0 0 12px var(--aqua);transform:translateY(-50%)}
.g-light{display:flex;gap:5px;align-items:flex-end;height:38px;margin:6px 0 10px}
.g-light i{flex:1;height:calc(var(--v,1)*100%);min-height:2px;border-radius:2px;transition:height .25s}
.g-light i[data-c=r]{background:#ff5a4e}.g-light i[data-c=y]{background:#ffd34d}.g-light i[data-c=g]{background:#5be08a}.g-light i[data-c=b]{background:#4aa8ff}
.g-state{font-size:11px;color:var(--aqua);letter-spacing:.04em}

/* section depth stop */
.stop{font:500 13px var(--m);color:var(--mute);display:flex;gap:10px;align-items:baseline;margin-bottom:22px}
.stop span{color:var(--aqua);font-size:15px}
.stop::before{content:"";width:34px;height:1px;background:var(--aqua);align-self:center}

/* surface */
.surface{min-height:100svh;display:flex;align-items:flex-end;padding:0;overflow:hidden}
.surface-film{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.surface-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,25,33,.1) 30%,rgba(6,48,61,.95) 96%)}
.surface-copy{position:relative;padding:0 var(--gutter) clamp(90px,14vh,140px);max-width:900px}
.where{font:500 13px var(--m);letter-spacing:.06em;color:var(--aqua);margin-bottom:18px}
h1{font-size:clamp(44px,6.4vw,88px);font-weight:700;line-height:1;margin-bottom:24px;letter-spacing:-.025em}
.lede{font-size:clamp(17px,1.5vw,20px);color:#d3e8eb;margin-bottom:32px}
.ctas{display:flex;flex-wrap:wrap;gap:12px}
.scroll-hint{position:absolute;left:var(--gutter);bottom:28px;font:400 12px var(--m);color:var(--mute)}

/* intro */
.big{font-size:clamp(26px,3vw,42px);line-height:1.25;font-weight:500;max-width:30ch;margin-bottom:48px}
.big em{font-style:normal;color:var(--aqua)}
.intro-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:900px;color:#cfe3e6}

/* recovery */
.rec-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(40px,6vw,96px);align-items:start}
.rec-copy>p{color:#cfe3e6}
.log{list-style:none;margin:32px 0;counter-reset:l;border-top:1px solid var(--line)}
.log li{display:grid;grid-template-columns:40px 1fr;padding:16px 0;border-bottom:1px solid var(--line);counter-increment:l}
.log li::before{content:counter(l,decimal-leading-zero);font:500 13px var(--m);color:var(--aqua);grid-row:span 2;padding-top:3px}
.log b{font-weight:600;font-size:18px}
.log span{color:var(--mute);font-size:15px}
.rec-photo{border-radius:6px;overflow:hidden;position:relative}
.rec-photo::after,.frame::after{content:"";position:absolute;inset:0;background:#0b5767;mix-blend-mode:multiply;opacity:calc(var(--loss)*.55);pointer-events:none;transition:opacity .3s}
.rec-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}

.drop{position:sticky;top:100px;border:1px solid var(--line);border-radius:14px;padding:24px;background:rgba(2,22,30,.45)}
.drop-title{font-size:22px;font-weight:600}
.drop-sub{color:var(--mute);font-size:15px;margin-bottom:16px}
.drop-picks{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.drop-picks button{padding:7px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--mute)}
.drop-picks button.on{border-color:var(--aqua);color:var(--ink);background:rgba(143,227,234,.12)}
.column{position:relative;height:360px;border-radius:10px;overflow:hidden;background:linear-gradient(#9fd5dc 0 18%,#2f8796 18.5%,#0d4c5b 60%,#06303d 100%)}
.dock{position:absolute;left:8%;top:4%;width:44%;border-radius:4px;overflow:hidden;opacity:.95}
.dock img{width:100%;height:58px;object-fit:cover}
.waterline{position:absolute;left:0;right:0;top:18%;height:2px;background:rgba(255,255,255,.6)}
.seabed{position:absolute;left:0;right:0;bottom:0;height:34px;background:radial-gradient(ellipse at 30% 0,#5f5a3f,#2c2a1e 70%);border-top:1px solid rgba(255,255,255,.08)}
.item{position:absolute;left:46%;top:12%;width:34px;height:34px;border-radius:8px;display:grid;place-items:center;transition:transform 2.6s cubic-bezier(.45,.05,.55,.95);will-change:transform}
.item svg{width:30px;height:30px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}
.col-depth{position:absolute;right:12px;bottom:44px;font:500 14px var(--m);color:#fff}
.drop-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.drop-note{margin-top:14px;font-size:14px;color:var(--mute)}

/* imagery */
.img-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.img-head p{color:#cfe3e6}
.spec{font:400 14px var(--m);color:var(--aqua);margin:28px 0 40px;max-width:none}
.reel{display:flex;gap:16px;overflow-x:auto;padding:4px var(--gutter) 18px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--sea) transparent}
.frame{flex:0 0 clamp(260px,30vw,420px);scroll-snap-align:start;text-align:left;position:relative;border-radius:6px;overflow:hidden;background:#000}
.frame img{width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(calc(1 - var(--loss)*.85)) brightness(calc(1 - var(--loss)*.45));transition:filter .35s}
.frame span{display:block;padding:12px 14px 14px;background:#03161d;font-size:14px;color:var(--mute)}
.frame b{display:block;color:var(--ink);font-size:16px;font-weight:600}
.frame:hover img,.frame:focus-visible img,.frame.lit-on img{filter:none}
.frame:hover::after,.frame:focus-visible::after,.frame.lit-on::after{opacity:0}
.reel-foot p{font-size:14px;color:var(--mute);margin-top:12px}

/* research */
.res-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,72px);align-items:center}
.res-copy p{color:#cfe3e6;margin-bottom:1em}
.scan{position:relative;border-radius:10px;overflow:hidden;background:#041a24;cursor:grab;touch-action:pan-y;user-select:none}
.scan.drag{cursor:grabbing}
.scan video{width:100%;aspect-ratio:760/444;object-fit:cover;pointer-events:none}
.scan figcaption{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;gap:12px;padding:12px 16px;font:400 12px var(--m);color:var(--mute);background:linear-gradient(transparent,rgba(2,14,20,.85))}
.scan-hint{color:var(--aqua)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:clamp(64px,9vw,120px)}
.lit{position:relative;border-radius:6px;overflow:hidden;background:#000;cursor:crosshair;touch-action:pan-y}
.lit img{width:100%;aspect-ratio:3/2;object-fit:cover}
.l-base{filter:grayscale(.85) brightness(.32) sepia(.35) hue-rotate(160deg)}
.l-beam{position:absolute;inset:0;height:100%;-webkit-mask-image:radial-gradient(circle var(--r,150px) at var(--x,50%) var(--y,50%),#000 0,#000 45%,transparent 100%);mask-image:radial-gradient(circle var(--r,150px) at var(--x,50%) var(--y,50%),#000 0,#000 45%,transparent 100%);filter:brightness(var(--b,1.05))}
.lit figcaption{position:absolute;left:14px;bottom:12px;font:400 12px var(--m);color:#cfe3e6;text-shadow:0 1px 4px #000}
.beam-hint{font:400 13px var(--m);color:var(--mute);margin-top:14px}
.partners{margin-top:clamp(72px,10vw,128px);display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,72px)}
.partners h3{grid-column:1}
.p-intro{grid-column:1;color:var(--mute);font-size:15px}
.partners dl{grid-column:2;grid-row:1/span 3;border-top:1px solid var(--line)}
.partners dl div{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.partners dt{font-weight:600}
.partners dt a{text-decoration:none;border-bottom:1px solid var(--sea)}
.partners dd{color:var(--mute);font-size:15px}

/* diver */
.diver-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(40px,6vw,96px);align-items:center}
.card-wrap{perspective:1400px}
.ccard{position:relative;display:block;width:min(360px,100%);aspect-ratio:.63;margin-inline:auto;transform-style:preserve-3d;transition:transform .9s cubic-bezier(.3,.7,.2,1);text-align:left}
.ccard.flip{transform:rotateY(180deg)}
.cc-face{position:absolute;inset:0;display:flex;flex-direction:column;padding:20px;border-radius:18px;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:linear-gradient(160deg,#0f5d6d,#062a35 60%,#04161e);border:1px solid rgba(143,227,234,.35);box-shadow:0 30px 60px rgba(0,0,0,.45)}
.cc-back{transform:rotateY(180deg)}
.cc-top{display:flex;justify-content:space-between;font:500 11px var(--m);letter-spacing:.12em;text-transform:uppercase;color:var(--aqua);margin-bottom:14px}
.cc-front img{width:100%;flex:1;min-height:0;object-fit:cover;object-position:50% 30%;border-radius:10px}
.cc-name{font-size:26px;font-weight:700;margin:14px 0 8px}
.cc-rows{display:grid;gap:4px;font:400 13px var(--m)}
.cc-rows i{font-style:normal;color:var(--mute);display:inline-block;width:92px}
.cc-list{display:flex;flex-direction:column;gap:9px;font-size:16px;flex:1}
.cc-list span{border-bottom:1px solid var(--line);padding-bottom:8px}
.cc-turn{font:500 11px var(--m);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-top:14px;text-align:right}
.diver-copy p{color:#cfe3e6;margin-bottom:1em}
.sig{font:500 14px var(--m);color:var(--aqua)!important}

/* archon */
.ar-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(40px,6vw,96px);align-items:start}
.ar-copy p{color:#cfe3e6;margin-bottom:1em}
.ar-copy .quote{font-size:19px;color:var(--ink);border-left:2px solid var(--aqua);padding-left:18px}
.reasons{margin:22px 0 30px 20px;color:#cfe3e6}
.reasons li{padding:4px 0}
.lit-big img{aspect-ratio:3/2}
.lumen{margin-top:18px;font-family:var(--m);font-size:13px;color:var(--mute)}
.lumen label{display:flex;justify-content:space-between}
.lumen b{color:var(--ink);font-weight:500}
.lumen input{width:100%;margin:12px 0 6px;accent-color:var(--aqua)}
.lm-ends{display:flex;justify-content:space-between;font-size:11px}
.archon-tag{margin-top:clamp(64px,9vw,110px);font-size:clamp(24px,3vw,40px);font-weight:600;color:var(--aqua)}

/* ascent */
.ascent{padding-bottom:0}
.stop.up span{color:#fff}
.as-lede{font-size:clamp(18px,1.6vw,21px);margin:8px 0 32px}
.as-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:56px}
.as-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid rgba(255,255,255,.25);padding-top:24px}
.as-meta span{display:block;font:500 11px var(--m);letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:4px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:56px var(--gutter) 28px;font:400 12px var(--m);color:rgba(255,255,255,.7)}

/* player */
.player{position:fixed;inset:0;z-index:60;background:rgba(1,10,14,.92);display:grid;place-items:center;padding:24px}
.player[hidden]{display:none}
.player-box{width:min(1100px,100%);aspect-ratio:16/9;background:#000}
.player-box iframe{width:100%;height:100%;border:0}
.player-x{position:absolute;top:18px;right:22px;font:500 13px var(--m);padding:8px 14px;border:1px solid var(--line);border-radius:999px}

/* dive desk */
.desk-fab{position:fixed;right:22px;bottom:22px;z-index:45;display:flex;align-items:center;gap:8px;padding:12px 18px 12px 14px;border-radius:999px;background:var(--aqua);color:#032029;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.desk-fab svg{width:20px;height:20px;fill:none;stroke:#032029;stroke-width:2;stroke-linecap:round}
.desk{position:fixed;right:22px;bottom:22px;z-index:50;width:min(400px,calc(100vw - 24px));height:min(600px,calc(100svh - 110px));display:flex;flex-direction:column;border-radius:16px;background:#04202a;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.55);overflow:hidden}
.desk[hidden]{display:none}
.desk-head{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.desk-head p{font-weight:600}
.desk-head small{display:block;color:var(--mute);font-size:12px;line-height:1.4}
.desk-x{font-size:26px;line-height:1;width:32px;height:32px;color:var(--mute)}
.desk-log{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.msg{max-width:88%;padding:10px 14px;border-radius:14px;font-size:15px;line-height:1.45;white-space:pre-line}
.msg.bot{background:#0a3a48;border-bottom-left-radius:4px}
.msg.me{background:var(--aqua);color:#032029;align-self:flex-end;border-bottom-right-radius:4px}
.msg a{color:var(--aqua)}
.desk-opts{display:flex;flex-wrap:wrap;gap:6px;padding:0 18px 10px}
.desk-opts button,.desk-opts a{padding:7px 12px;border:1px solid rgba(143,227,234,.4);border-radius:999px;font-size:13px;color:var(--ink);text-decoration:none}
.desk-opts .go{background:var(--aqua);color:#032029;border-color:var(--aqua);font-weight:600}
.desk-form{display:flex;border-top:1px solid var(--line)}
.desk-form input{flex:1;min-width:0;padding:14px 18px;background:transparent;border:0;color:var(--ink);font:inherit;font-size:16px;outline:none}
.desk-form button{padding:0 18px;font-weight:600;color:var(--aqua)}

:focus-visible{outline:2px solid var(--aqua);outline-offset:3px}

/* responsive */
@media (max-width:1100px){.links{display:none}}
@media (max-width:900px){
  .rec-grid,.img-head,.res-grid,.diver-grid,.ar-grid,.partners,.intro-cols{grid-template-columns:1fr}
  .partners dl{grid-column:1;grid-row:auto}
  .drop{position:relative;top:0}
  .as-meta{grid-template-columns:1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav{padding:12px 16px}
  .nav .btn-sm{display:none}
  .gauge{top:auto;transform:none;bottom:16px;left:14px;right:auto;width:auto;padding:7px 12px;border-radius:999px;display:flex;gap:8px;align-items:baseline}
  .gauge .g-label,.g-scale,.g-light{display:none}
  .g-depth{margin:0}.g-depth b{font-size:20px}
  .g-ft{margin:0;font-size:11px}
  .g-state{font-size:10px}
  .pair{grid-template-columns:1fr}
  .partners dl div{grid-template-columns:1fr;gap:4px}
  .scroll-hint{display:none}
  .desk-fab{right:14px;bottom:14px}
  .desk{right:12px;bottom:12px}
  .scan figcaption{flex-direction:column;gap:2px}
}