/* Seafloor Elements — shared design system */
:root{
  --abyss:#020910; --abyss2:#04131d; --panel:#06202a;
  --ink:#e9f5f3; --dim:#8aacb2; --faint:#54707a;
  --bio:#52e8c0; --glow:#5ad2ff; --amber:#ffb45c; --red:#ff7a6e;
  --line:rgba(110,200,200,.16); --card:rgba(10,34,44,.45);
  --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  font-family:'Bricolage Grotesque',sans-serif;color:var(--ink);
  background:
    radial-gradient(120% 70% at 80% -10%, rgba(20,90,110,.22), transparent 55%),
    linear-gradient(180deg,#041019 0%, #020910 55%, #01060b 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;line-height:1.55;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.045;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.7'/%3E%3C/svg%3E");}

/* ---------- NAV ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;
  background:linear-gradient(180deg, rgba(3,12,18,.92), rgba(3,12,18,.62));
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;font-size:17px}
.brand .mark{width:13px;height:13px;border-radius:50%;background:var(--bio);box-shadow:0 0 12px var(--bio),0 0 26px rgba(82,232,192,.5)}
.brand b{color:var(--bio)}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);transition:.2s;position:relative;padding:4px 0}
.navlinks a:hover{color:var(--ink)}
.navlinks a.active{color:var(--bio)}
.navlinks a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--bio);box-shadow:0 0 8px var(--bio)}
.navcta{border:1px solid var(--bio);color:var(--bio)!important;padding:8px 14px!important;border-radius:2px}
.navcta:hover{background:rgba(82,232,192,.12)}
.burger{display:none;background:none;border:0;color:var(--ink);font-size:22px;cursor:pointer}
@media(max-width:880px){
  .navlinks{position:fixed;inset:64px 0 auto 0;flex-direction:column;gap:0;background:#041520;border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s ease}
  .navlinks.open{max-height:520px}
  .navlinks a{padding:16px 28px;width:100%;border-bottom:1px solid var(--line);letter-spacing:.12em}
  .navlinks a.active::after{display:none}
  .navcta{margin:14px 28px;text-align:center}
  .burger{display:block}
}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:78vh;display:flex;flex-direction:column;justify-content:center;padding:130px 0 80px;overflow:hidden}
.hero canvas{position:absolute;inset:0;z-index:0;opacity:.5;pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero.short{min-height:46vh;padding:130px 0 50px}
.bigword{position:absolute;right:-2%;bottom:-4%;z-index:1;font-size:clamp(110px,20vw,300px);font-weight:800;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1px rgba(110,200,200,.10);line-height:1;pointer-events:none;user-select:none}
.kicker{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--bio);margin-bottom:18px}
.kicker::before{content:"// ";color:var(--faint)}
h1{font-size:clamp(40px,7vw,90px);font-weight:800;line-height:.96;letter-spacing:-.025em}
h1 .em{color:var(--bio)}
.lede{font-family:'Newsreader',serif;font-style:italic;font-weight:300;font-size:clamp(18px,2.1vw,27px);color:var(--dim);max-width:50ch;line-height:1.45;margin-top:26px}
.pagehead h1{font-size:clamp(34px,5.4vw,62px)}

/* ---------- BUTTONS ---------- */
.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  padding:14px 22px;border:1px solid var(--bio);color:var(--bio);transition:.2s;border-radius:2px}
.btn:hover{background:var(--bio);color:var(--abyss)}
.btn.ghost{border-color:var(--line);color:var(--dim)}
.btn.ghost:hover{border-color:var(--ink);background:transparent;color:var(--ink)}

/* ---------- SECTIONS ---------- */
section.band{padding:74px 0;border-top:1px solid var(--line)}
section.band.tight{padding:54px 0}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--bio);margin-bottom:14px}
h2{font-size:clamp(26px,3.6vw,46px);font-weight:800;line-height:1.04;letter-spacing:-.015em;max-width:20ch}
h2 .em{color:var(--bio)}
h3{font-size:clamp(18px,1.7vw,22px);font-weight:700;margin-bottom:8px}
p.body{font-size:clamp(15px,1.3vw,17.5px);font-weight:300;color:var(--dim);line-height:1.65;max-width:64ch;margin-top:16px}
p.body b{color:var(--ink);font-weight:600}
.lead-row{display:flex;justify-content:space-between;align-items:end;gap:30px;flex-wrap:wrap;margin-bottom:34px}

/* ---------- METAL STRIP ---------- */
.metals{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:36px}
.metal{background:var(--card);padding:24px 20px;backdrop-filter:blur(3px)}
.metal .sym{font-size:clamp(30px,3.4vw,46px);font-weight:800;color:var(--bio);text-shadow:0 0 24px rgba(82,232,192,.3)}
.metal .nm{font-weight:600;margin-top:6px}
.metal .pct{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--faint);letter-spacing:.1em;margin-top:4px}
@media(max-width:680px){.metals{grid-template-columns:repeat(2,1fr)}}

/* ---------- CARD GRID ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:34px}
.card{border:1px solid var(--line);background:var(--card);padding:28px 26px;backdrop-filter:blur(3px);transition:.25s;display:block}
a.card:hover{border-color:rgba(82,232,192,.5);transform:translateY(-3px)}
.card .num{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;color:var(--bio);margin-bottom:14px}
.card p{color:var(--dim);font-weight:300;font-size:14.5px;margin-top:8px;line-height:1.6}
.card .more{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.14em;color:var(--bio);margin-top:16px;display:inline-block}

/* ---------- STATS ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:34px}
.stat{background:var(--card);padding:24px 20px}
.stat .v{font-size:clamp(26px,3vw,40px);font-weight:800;letter-spacing:-.02em}
.stat .v.bio{color:var(--bio)} .stat .v.amber{color:var(--amber)}
.stat .k{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-top:8px;line-height:1.5}

/* ---------- TABLES ---------- */
.tbl{width:100%;border-collapse:collapse;margin-top:30px;border:1px solid var(--line)}
.tbl th,.tbl td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:14.5px;vertical-align:top}
.tbl th{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--bio);background:var(--panel)}
.tbl td{color:var(--dim);font-weight:300}
.tbl td:first-child{color:var(--ink);font-weight:600}
.tbl td b{color:var(--ink);font-weight:600}
.tbl .pos{color:var(--bio);font-weight:600}
.spec td:first-child{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--bio);white-space:nowrap;width:32%;font-weight:400}

/* ---------- CHAIN ---------- */
.chain{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;align-items:stretch}
.chain .node{flex:1;min-width:150px;border:1px solid var(--line);background:var(--card);padding:18px 16px;position:relative}
.chain .node b{display:block;color:var(--ink);font-size:15px;font-weight:600;margin-bottom:5px}
.chain .node span{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.06em;color:var(--faint);line-height:1.5}
.chain .node.moby{border-color:rgba(82,232,192,.55);box-shadow:0 0 18px rgba(82,232,192,.1) inset}
.chain .node.moby::after{content:"MOBY SCOPE";position:absolute;top:-9px;left:14px;font-size:8px;letter-spacing:.18em;color:var(--bio);background:var(--abyss);padding:1px 7px}

/* ---------- FAQ ---------- */
.faq{margin-top:34px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font-weight:600;font-size:clamp(15px,1.5vw,18px);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:18px;color:var(--bio);font-size:22px;font-weight:300;transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 40px 22px 0;color:var(--dim);font-weight:300;font-size:15px;line-height:1.7;max-width:80ch}
.faq .ans b{color:var(--ink);font-weight:600}

/* ---------- PILL / CALLOUT ---------- */
.pill{display:inline-block;border:1px solid rgba(82,232,192,.4);color:var(--bio);font-family:'IBM Plex Mono',monospace;
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;padding:7px 14px;margin-bottom:22px}
.callout{border:1px solid rgba(82,232,192,.3);background:linear-gradient(180deg,rgba(82,232,192,.05),transparent);
  padding:30px 30px;margin-top:34px}
.callout p{color:var(--dim);font-weight:300;font-size:15.5px;line-height:1.65}
.callout p b{color:var(--ink)}

/* ---------- 2-COL ---------- */
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start;margin-top:34px}
@media(max-width:820px){.cols2{grid-template-columns:1fr;gap:32px}}

/* ---------- FORM ---------- */
.form{display:grid;gap:16px;max-width:520px;margin-top:32px}
.form label{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:7px}
.form input,.form textarea{width:100%;background:var(--card);border:1px solid var(--line);color:var(--ink);
  padding:13px 14px;font-family:inherit;font-size:15px;border-radius:2px}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--bio)}
.form textarea{min-height:130px;resize:vertical}

/* ---------- FOOTER ---------- */
footer.ft{border-top:1px solid var(--line);background:rgba(2,8,13,.7);margin-top:20px}
.ft .wrap{padding:54px 28px 30px}
.ft-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:36px}
.ft-brand{max-width:340px}
.ft-brand .lede2{color:var(--dim);font-weight:300;font-size:14px;margin-top:14px;line-height:1.6}
.ft-cols{display:flex;gap:54px;flex-wrap:wrap}
.ft-col h4{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--bio);margin-bottom:14px}
.ft-col a{display:block;color:var(--dim);font-size:14px;padding:5px 0;transition:.2s}
.ft-col a:hover{color:var(--ink)}
.ft-legal{border-top:1px solid var(--line);padding-top:22px;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.04em;color:var(--faint);line-height:1.8}
.ft-legal a{color:var(--dim)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.hero canvas{display:none}}