/* SeaVint open site: same chart palette as the app. */
:root{
  --sea:#dfe9ec;--sea-2:#c9dbe1;--sea-3:#b2cbd3;--paper:#fbfcfb;--white:#fff;
  --ink:#14232e;--ink-2:#41525e;--muted:#6d7d88;--rule:#d3dde1;--rule-2:#e6ecee;
  --mag:#a3286f;--mag-2:#8a1f5d;--mag-soft:#f6e6ef;--buff:#efe3bf;--buff-ink:#5b4a17;--bad:#b8392a;
  --display:"Geologica",system-ui,sans-serif;--body:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --lift:0 1px 0 rgba(20,35,46,.04),0 14px 40px -22px rgba(20,35,46,.4);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
a{color:var(--mag);text-underline-offset:2px}
h1,h2,h3{font-family:var(--display);font-weight:650;letter-spacing:-.015em;line-height:1.1;margin:0;text-wrap:balance}
h1{font-size:clamp(34px,5vw,62px);letter-spacing:-.035em;line-height:1.02}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:18px}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--mag);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(16px,3vw,32px)}
.narrow{max-width:860px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:550 15px var(--body);padding:10px 16px;border-radius:11px;border:1px solid var(--rule);background:var(--white);color:var(--ink);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--ink-2)}
.btn.primary{background:var(--mag);border-color:var(--mag);color:#fff}
.btn.primary:hover{background:var(--mag-2)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.ghost:hover{background:var(--sea)}
.btn.big{padding:14px 22px;font-size:16px}

/* header */
.top{position:sticky;top:0;z-index:10;background:rgba(223,233,236,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(20,35,46,.06)}
.top-in{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:700 22px var(--display);letter-spacing:-.02em}
.logo{width:30px;height:30px}
.nav{display:flex;gap:20px;flex:1}
.nav a{color:var(--ink-2);text-decoration:none;font-weight:500}
.nav a:hover{color:var(--ink)}
.top-cta{display:flex;gap:8px}
@media(max-width:760px){.nav{display:none}.top-in{justify-content:space-between}.top-cta .ghost{display:none}}

/* hero */
.hero{background:var(--sea);padding:56px 0 64px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -15% -40% 35%;height:110%;pointer-events:none;opacity:.5;background:repeating-radial-gradient(circle at 70% 85%,transparent 0 30px,rgba(20,35,46,.06) 30px 31px)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:40px;align-items:center;position:relative;z-index:1}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--ink-2);margin:18px 0 26px;max-width:40ch}
.free{color:var(--ink-2);font-size:14.5px;margin:18px 0 0}
.hero-3d{position:relative;aspect-ratio:1/1;max-height:580px;border-radius:22px;overflow:hidden;background:radial-gradient(120% 90% at 40% 35%,#f4f8f8 0%,var(--sea) 60%,var(--sea-2) 100%);box-shadow:var(--lift)}
.hero-3d iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.hero-tip{position:absolute;left:18px;bottom:16px;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);pointer-events:none;background:rgba(251,252,251,.8);padding:6px 12px;border-radius:99px}
.hero-tip i{width:9px;height:9px;border-radius:50%;background:var(--mag);box-shadow:0 0 0 5px var(--mag-soft)}
@media(max-width:900px){.hero-in{grid-template-columns:1fr}.hero-3d{aspect-ratio:4/3}}

/* search */
.search{display:flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--rule);border-radius:16px;padding:6px 6px 6px 16px;box-shadow:var(--lift);max-width:640px}
.search:focus-within{border-color:var(--mag);box-shadow:0 0 0 4px var(--mag-soft)}
.search svg{width:20px;height:20px;fill:none;stroke:var(--muted);stroke-width:2;stroke-linecap:round;flex:none}
.search input{flex:1;min-width:0;border:0;outline:0;font:16px var(--body);color:var(--ink);background:transparent;padding:10px 4px}
.search.big input{font-size:17.5px;padding:13px 4px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chips a{font-size:14px;color:var(--ink);text-decoration:none;background:rgba(255,255,255,.65);border:1px solid var(--rule);padding:5px 12px;border-radius:99px}
.chips a:hover{border-color:var(--mag);color:var(--mag)}

/* sections */
.sec{padding:64px 0}
.sec.first{padding-top:40px}
.sub{color:var(--ink-2);margin:10px 0 24px;max-width:62ch}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.answers{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.ans{display:grid;gap:6px;align-content:start;text-decoration:none;color:var(--ink);background:var(--buff);border-radius:16px;padding:18px 20px}
.ans:hover{box-shadow:var(--lift)}
.ans-k{font-size:13px;color:var(--buff-ink);font-weight:600}
.ans b{font:650 20px/1.2 var(--display)}
.ans-a{color:var(--ink-2);font-size:15px}
.ans-src{font-size:13px;color:var(--buff-ink);margin-top:4px}
.how{background:var(--sea)}
.steps{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:s}
.steps li{counter-increment:s;display:grid;gap:8px;align-content:start}
.steps li::before{content:counter(s);font:700 44px/1 var(--display);color:var(--mag)}
.steps b{font:650 20px var(--display)}
.steps span{color:var(--ink-2)}
@media(max-width:800px){.steps{grid-template-columns:1fr}}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.eq{display:grid;grid-template-rows:auto 1fr;border:1px solid var(--rule);border-radius:16px;overflow:hidden;text-decoration:none;color:var(--ink);background:var(--white)}
.eq:hover{box-shadow:var(--lift);border-color:var(--sea-3)}
.eq-cov{aspect-ratio:25/16;background:var(--sea);display:grid;place-items:center;overflow:hidden}
.eq-cov img{width:100%;height:100%;object-fit:cover;display:block}
.eq-cov .ph{font:700 44px var(--display);color:var(--sea-3)}
.eq-b{padding:14px 16px 16px;display:grid;gap:5px;align-content:start}
.eq-k{font-size:13px;color:var(--ink-2)}
.eq-m{font-size:13px;color:var(--muted)}
.grp{font-size:20px;margin:34px 0 14px}
.companies{background:var(--ink);color:#e9eff1}
.companies .sub{color:#b9c6cd}
.comp-in{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:start}
.ticks{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:12px}
.ticks li{padding-left:30px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:7px;border-radius:2px;background:var(--mag)}
.comp-note{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:20px}
.comp-note p{color:#b9c6cd;margin:6px 0 0}
@media(max-width:860px){.comp-in{grid-template-columns:1fr}}

/* equipment page */
.crumbs{display:flex;gap:8px;font-size:14px;color:var(--muted);margin-bottom:14px;flex-wrap:wrap}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--mag)}
.kind{color:var(--ink-2);margin:8px 0 0;font-size:17px}
.eqp .lead{max-width:70ch}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 30px}
.toc a{text-decoration:none;color:var(--ink);background:var(--sea);padding:6px 13px;border-radius:99px;font-size:14px}
.toc a:hover{background:var(--sea-2)}
.block{margin:0 0 44px}
.block h2{margin-bottom:16px}
.tri{aspect-ratio:16/8;border-radius:18px;overflow:hidden;background:var(--sea);position:relative}
.tri iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.tri-cap{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px;color:var(--ink-2);font-size:15px}
@media(max-width:700px){.tri{aspect-ratio:4/3}}
.proc{border-top:1px solid var(--rule-2);padding:18px 0}
.proc ol{margin:10px 0 0;padding-left:22px;display:grid;gap:8px}
.pgref{font-size:13px;color:var(--mag);background:var(--mag-soft);border-radius:6px;padding:1px 7px;white-space:nowrap}
.spec{display:inline-block;margin-top:4px;background:var(--buff);color:var(--buff-ink);border-radius:6px;padding:1px 8px;font-size:14px}
.warn{color:var(--bad);font-size:14.5px;margin-top:3px}
.tw{overflow-x:auto;border:1px solid var(--rule);border-radius:14px;background:var(--white)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{padding:11px 14px;border-bottom:1px solid var(--rule-2);text-align:left;vertical-align:top}
thead th{font-size:13.5px;color:var(--muted);font-weight:600;background:var(--paper)}
tbody th{font-weight:500;color:var(--ink-2);width:45%}
tr:last-child td,tr:last-child th{border-bottom:0}
td.pn{font-family:var(--mono);font-size:14px;white-space:nowrap}
td.pgc{color:var(--muted);font-size:13.5px;white-space:nowrap}
.faults{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.fault{display:grid;gap:4px;text-decoration:none;color:var(--ink);border:1px solid var(--rule);border-radius:14px;padding:14px 16px;background:var(--white)}
.fault:hover{border-color:var(--mag)}
.fault b{font-weight:600}
.fault span{color:var(--ink-2);font-size:14.5px}
.verdict{display:grid;gap:18px;background:var(--buff);border-radius:18px;padding:22px 24px;margin:24px 0}
.verdict .lbl{font-size:13.5px;font-weight:600;color:var(--buff-ink)}
.verdict p{margin:4px 0 0;font-size:18px}
.ask{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--sea);border-radius:18px;padding:20px 22px;margin:34px 0}
.ask div{display:grid;gap:4px;max-width:60ch}
.ask span{color:var(--ink-2)}
.src{font-size:14px;color:var(--muted);margin-top:26px}
.hits{display:grid;gap:4px;margin-top:22px}
.hit{display:grid;gap:3px;text-decoration:none;color:var(--ink);padding:14px 12px;border-radius:12px}
.hit:hover{background:var(--sea)}
.hit-m{font-size:14px;color:var(--ink-2)}
.hit-s{font-size:14.5px;color:var(--muted);overflow-wrap:anywhere}

/* footer */
.foot{background:var(--sea);padding:44px 0 50px;margin-top:20px}
.foot-in{display:grid;grid-template-columns:1.2fr .8fr 1.4fr;gap:32px}
.foot-in div{display:grid;gap:6px;align-content:start}
.foot-in a:not(.brand){color:var(--ink-2);text-decoration:none}
.foot-in p{color:var(--ink-2);margin:6px 0 0;font-size:14.5px}
@media(max-width:800px){.foot-in{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.narrow>h1{margin-bottom:22px}
.fault-hit{background:var(--sea);border-left:3px solid var(--mag);border-radius:4px 12px 12px 4px}
.fault-hit b{font-size:17px}
/* language switcher */
.langs{position:relative}
.langs summary{list-style:none;display:flex;align-items:center;gap:6px;cursor:pointer;padding:8px 10px;border-radius:10px;font-weight:600;font-size:14px;color:var(--ink-2)}
.langs summary::-webkit-details-marker{display:none}
.langs summary:hover,.langs[open] summary{background:var(--sea)}
.langs summary svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6}
.langs-m{position:absolute;right:0;top:calc(100% + 6px);background:var(--white);border:1px solid var(--rule);border-radius:12px;box-shadow:var(--lift);padding:6px;display:grid;min-width:190px;z-index:30}
.langs-m a{padding:8px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:15px}
.langs-m a:hover{background:var(--sea)}
.langs-m a[aria-current]{font-weight:600;color:var(--mag)}
@media (max-width:720px){.top-cta #signin{display:none}}