/* ClaimProof — design system
   Dark, instrument-grade UI. Yellow #FFC20E on near-black. */

:root{
  --bg:#06070A;
  --bg-2:#0A0C11;
  --panel:#0E1117;
  --panel-2:#121620;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --ink:#F2F4F8;
  --ink-2:#A8B0BF;
  --ink-3:#6B7484;
  --yellow:#FFC20E;
  --yellow-2:#FFD84D;
  --yellow-dim:rgba(255,194,14,.14);
  --green:#3DDC97;
  --red:#FF5C5C;
  --blue:#5B9CFF;
  --r:14px;
  --r-lg:20px;
  --wrap:1200px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --disp:"Space Grotesk","Inter",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--disp);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin:0}
h1{font-size:clamp(2.6rem,6.2vw,4.6rem);letter-spacing:-.035em}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.03em}
h3{font-size:1.2rem;letter-spacing:-.015em}
p{margin:0 0 1.1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:200;background:var(--yellow);color:#000;padding:10px 16px;border-radius:8px}

/* ---------- ambient background ---------- */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-fx::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 78%);
}
.glow{position:absolute;border-radius:50%;filter:blur(120px);opacity:.5}
.glow--a{width:720px;height:720px;top:-320px;left:50%;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(255,194,14,.20),transparent 66%)}
.glow--b{width:560px;height:560px;top:420px;right:-220px;
  background:radial-gradient(circle,rgba(91,156,255,.13),transparent 66%)}
.glow--c{width:520px;height:520px;top:1200px;left:-200px;
  background:radial-gradient(circle,rgba(61,220,151,.09),transparent 66%)}
main,header,footer{position:relative;z-index:1}

/* ---------- top bar ---------- */
.ticker{
  border-bottom:1px solid var(--line);background:rgba(6,7,10,.8);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);
}
.ticker .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:38px}
.ticker b{color:var(--ink-2);font-weight:500}
.live{display:inline-flex;align-items:center;gap:8px}
.live i{width:6px;height:6px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(61,220,151,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(61,220,151,0)}100%{box-shadow:0 0 0 0 rgba(61,220,151,0)}}

/* ---------- header ---------- */
.head{position:sticky;top:0;z-index:60;backdrop-filter:blur(18px);
  background:rgba(6,7,10,.78);border-bottom:1px solid var(--line)}
.head .wrap{display:flex;align-items:center;gap:28px;height:74px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo img{height:42px;width:auto}
.logo__type{font-family:var(--disp);font-weight:800;font-size:1.32rem;letter-spacing:-.03em;
  line-height:1;display:flex;flex-direction:column;gap:3px}
.logo__type span:first-child i{font-style:normal;color:var(--yellow)}
.logo__type small{font-family:var(--mono);font-size:.5rem;letter-spacing:.16em;
  color:var(--ink-3);text-transform:uppercase;font-weight:400}
.nav{display:flex;gap:26px;margin-left:auto;font-size:.92rem;color:var(--ink-2);font-weight:500}
.nav a{position:relative;padding:4px 0;transition:color .18s}
.nav a:hover,.nav a[aria-current]{color:var(--ink)}
.nav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--yellow);border-radius:2px}
.head__cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.burger{display:none;background:none;border:1px solid var(--line-2);border-radius:10px;
  width:42px;height:42px;cursor:pointer;flex-direction:column;gap:4px;align-items:center;justify-content:center}
.burger span{width:17px;height:1.5px;background:var(--ink);display:block;transition:.2s}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--disp);font-weight:700;font-size:.83rem;letter-spacing:.05em;
  text-transform:uppercase;padding:13px 22px;border-radius:11px;border:1px solid transparent;
  cursor:pointer;transition:transform .16s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn--y{background:linear-gradient(180deg,var(--yellow-2),var(--yellow));color:#0A0A0A;
  box-shadow:0 6px 22px -8px rgba(255,194,14,.6)}
.btn--y:hover{box-shadow:0 10px 30px -8px rgba(255,194,14,.75)}
.btn--ghost{border-color:var(--line-2);color:var(--ink);background:rgba(255,255,255,.03)}
.btn--ghost:hover{border-color:var(--yellow);color:var(--yellow)}
.btn--dark{background:#0A0A0A;color:var(--ink);border-color:var(--line-2)}
.btn--sm{padding:9px 15px;font-size:.74rem;border-radius:9px}
.btn--block{width:100%}
.btn svg{width:15px;height:15px}

/* ---------- sections ---------- */
.sect{padding:96px 0;position:relative}
.sect--tight{padding:64px 0}
.sect--alt{background:linear-gradient(180deg,transparent,rgba(255,255,255,.018),transparent)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--yellow);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--yellow)}
.eyebrow--c{justify-content:center}
.eyebrow--c::before{display:none}
.lede{font-size:1.16rem;color:var(--ink-2);max-width:74ch}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
.sect-head{max-width:820px;margin-bottom:52px}
.sect-head.center{margin-left:auto;margin-right:auto}

/* ---------- hero ---------- */
.hero{padding:96px 0 84px;position:relative}
.hero h1{margin-bottom:24px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--yellow),#FFE9A3 55%,var(--yellow));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lede{font-size:1.2rem;color:var(--ink-2);max-width:64ch;margin-bottom:16px}
.hero__acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.badge{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  padding:6px 12px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink-2);
  background:rgba(255,255,255,.025)}
.badge--y{border-color:rgba(255,194,14,.4);color:var(--yellow);background:var(--yellow-dim)}

/* ---------- cards ---------- */
.card{background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;position:relative;
  transition:border-color .22s,transform .22s}
.card:hover{border-color:var(--line-2);transform:translateY(-2px)}
.card h3{margin-bottom:10px}
.card p{color:var(--ink-2);font-size:.96rem;margin:0}
.card__n{font-family:var(--mono);font-size:.7rem;color:var(--yellow);letter-spacing:.14em;
  margin-bottom:14px;display:block}
.card--glow{border-color:rgba(255,194,14,.28);
  box-shadow:inset 0 1px 0 rgba(255,194,14,.12),0 24px 60px -30px rgba(255,194,14,.3)}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* icon tile */
.itile{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:var(--yellow-dim);border:1px solid rgba(255,194,14,.28);margin-bottom:16px}
.itile svg{width:20px;height:20px;stroke:var(--yellow);fill:none;stroke-width:1.7}

/* ---------- steps ---------- */
.steps{counter-reset:s;display:grid;gap:2px;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;background:var(--line)}
.step{background:var(--bg-2);padding:26px 28px;display:grid;
  grid-template-columns:64px 1fr;gap:20px;align-items:start;transition:background .2s}
.step:hover{background:var(--panel-2)}
.step__n{font-family:var(--mono);font-size:.78rem;color:var(--yellow);padding-top:4px;
  letter-spacing:.1em;border-right:1px solid var(--line);height:100%}
.step h3{margin-bottom:6px}
.step p{color:var(--ink-2);font-size:.95rem;margin:0}

/* ---------- spec list ---------- */
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0;list-style:none}
.chips li{font-family:var(--mono);font-size:.73rem;color:var(--ink-2);
  border:1px solid var(--line);background:rgba(255,255,255,.022);
  padding:6px 11px;border-radius:8px;transition:.18s}
.chips li:hover{border-color:rgba(255,194,14,.4);color:var(--yellow)}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:26px;color:var(--ink-2);font-size:.95rem}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:7px;
  border-left:2px solid var(--yellow);border-bottom:2px solid var(--yellow);
  transform:rotate(-45deg)}

/* ---------- terminal / data panel ---------- */
.term{background:#080A0E;border:1px solid var(--line-2);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 40px 90px -40px rgba(0,0,0,.9)}
.term__bar{display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid var(--line);background:rgba(255,255,255,.022)}
.term__dot{width:9px;height:9px;border-radius:50%;background:#2A2F3A}
.term__t{font-family:var(--mono);font-size:.72rem;color:var(--ink-3);margin-left:8px;letter-spacing:.06em}
.term__body{padding:20px;font-family:var(--mono);font-size:.78rem;line-height:2}
.term__row{display:flex;justify-content:space-between;gap:16px;padding:7px 0;
  border-bottom:1px dashed rgba(255,255,255,.06)}
.term__row:last-child{border:0}
.term__k{color:var(--ink-3)}
.term__v{color:var(--ink)}
.term__v.ok{color:var(--green)}
.term__v.warn{color:var(--yellow)}
.term__v.flag{color:var(--red)}

/* ---------- stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stat{background:var(--bg-2);padding:28px 24px;text-align:center}
.stat b{display:block;font-family:var(--disp);font-size:2.1rem;color:var(--yellow);
  letter-spacing:-.03em;line-height:1}
.stat span{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-3);margin-top:10px;display:block}

/* ---------- pricing ---------- */
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.tier{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 24px;display:flex;flex-direction:column;position:relative}
.tier--best{border-color:rgba(255,194,14,.45);
  box-shadow:0 30px 70px -40px rgba(255,194,14,.5)}
.tier__tag{position:absolute;top:-11px;left:24px;font-family:var(--mono);font-size:.62rem;
  letter-spacing:.14em;text-transform:uppercase;background:var(--yellow);color:#000;
  padding:4px 10px;border-radius:6px;font-weight:700}
.tier__name{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:14px}
.tier__price{font-family:var(--disp);font-size:2.5rem;font-weight:800;letter-spacing:-.04em;line-height:1}
.tier__sub{font-family:var(--mono);font-size:.74rem;color:var(--yellow);margin:10px 0 18px}
.tier ul{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:9px;flex:1}
.tier li{font-size:.9rem;color:var(--ink-2);padding-left:20px;position:relative}
.tier li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:5px;
  border-left:2px solid var(--yellow);border-bottom:2px solid var(--yellow);transform:rotate(-45deg)}

/* ---------- callout ---------- */
.callout{border:1px solid rgba(255,194,14,.3);background:linear-gradient(135deg,var(--yellow-dim),transparent 62%);
  border-radius:var(--r-lg);padding:30px 32px}
.callout h3{color:var(--yellow);margin-bottom:8px}
.callout p:last-child{margin:0}
.note{border-left:2px solid var(--line-2);padding-left:20px;color:var(--ink-3);font-size:.92rem}

/* ---------- forms ---------- */
.form{display:grid;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field label{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.field input,.field select,.field textarea{
  background:#080A0E;border:1px solid var(--line-2);border-radius:11px;padding:13px 15px;
  color:var(--ink);font-family:var(--body);font-size:.95rem;width:100%;transition:border-color .18s,box-shadow .18s}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--yellow);
  box-shadow:0 0 0 3px rgba(255,194,14,.13)}
.field input::placeholder,.field textarea::placeholder{color:#4A5262}
.field__err{color:var(--red);font-size:.78rem;min-height:1em;font-family:var(--mono)}
.hp{position:absolute;left:-9999px}
.form__fine{font-size:.8rem;color:var(--ink-3);margin:0}
.form__alert{display:none;padding:12px 16px;border-radius:11px;font-size:.9rem}
.form__alert.bad{display:block;background:rgba(255,92,92,.1);border:1px solid rgba(255,92,92,.35);color:#FFA0A0}
.req{color:var(--yellow)}

/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--line);
  display:grid;gap:1px}
.faq details{background:var(--bg-2)}
.faq summary{cursor:pointer;list-style:none;padding:20px 26px;font-family:var(--disp);
  font-weight:600;font-size:1rem;display:flex;justify-content:space-between;gap:18px;align-items:center;
  transition:color .18s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--yellow);font-size:1.2rem;flex-shrink:0}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--yellow)}
.faq__a{padding:0 26px 22px;color:var(--ink-2);font-size:.95rem;max-width:78ch}
.faq__a p:last-child{margin:0}

/* ---------- cta band ---------- */
.cta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,194,14,.05),transparent);padding:76px 0}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:36px;flex-wrap:wrap}
.cta h2{margin-bottom:8px}
.cta p{color:var(--ink-2);margin:0;max-width:56ch}
.cta__acts{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding:66px 0 34px;background:var(--bg-2)}
.foot__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:42px}
.foot h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 16px;font-weight:400}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot a{color:var(--ink-2);font-size:.92rem;transition:color .18s}
.foot a:hover{color:var(--yellow)}
.foot__brand p{color:var(--ink-3);font-size:.9rem;max-width:44ch;margin:16px 0 0}
.foot__legal{margin-top:52px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-family:var(--mono);font-size:.72rem;color:var(--ink-3);letter-spacing:.04em}
.tm{font-size:.6em;vertical-align:super}

/* ---------- crumbs / page banner ---------- */
.pbanner{padding:72px 0 44px;border-bottom:1px solid var(--line)}
.crumbs{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:20px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--yellow)}
.pbanner h1{font-size:clamp(2.1rem,4.6vw,3.4rem);margin-bottom:18px}
.pbanner .lede{margin:0}

/* ---------- layout w/ sidebar ---------- */
.layout{display:grid;grid-template-columns:1fr 372px;gap:56px;align-items:start}
.side{position:sticky;top:104px;display:grid;gap:18px}
.prose h2{margin:52px 0 18px}
.prose h3{margin:32px 0 10px}
.prose p{color:var(--ink-2)}
.prose > p:first-child{font-size:1.1rem}
.prose ul{color:var(--ink-2)}

/* ---------- SVG diagram helpers ---------- */
.diagram{width:100%;height:auto;display:block}
.dg-label{font-family:var(--mono);font-size:9px;fill:#6B7484;letter-spacing:.1em;text-transform:uppercase}
.dg-val{font-family:var(--mono);font-size:11px;fill:#F2F4F8}
.dash{stroke-dasharray:3 4}
@keyframes sweep{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.radar-sweep{transform-origin:150px 150px;animation:sweep 7s linear infinite}
@keyframes blip{0%,100%{opacity:.35}50%{opacity:1}}
.blip{animation:blip 2.8s ease-in-out infinite}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:1040px){
  .hero__grid{grid-template-columns:1fr;gap:44px}
  .layout{grid-template-columns:1fr;gap:40px}
  .side{position:static}
  .g4{grid-template-columns:repeat(2,1fr)}
  .tiers{grid-template-columns:repeat(2,1fr)}
  .foot__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav{position:fixed;inset:74px 0 auto;flex-direction:column;background:rgba(6,7,10,.98);
    padding:24px;gap:4px;border-bottom:1px solid var(--line);display:none;backdrop-filter:blur(20px)}
  .nav.open{display:flex}
  .nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .burger{display:flex;order:3}
  .head__cta .btn--ghost{display:none}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .ticker .wrap{justify-content:center}
  .ticker .util-hide{display:none}
}
@media(max-width:560px){
  body{font-size:16px}
  .sect{padding:64px 0}
  .tiers{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr;gap:32px}
  .step{grid-template-columns:1fr;gap:8px}
  .step__n{border:0;padding:0}
  .hero{padding:56px 0}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* ---- product screenshots ---- */
.brand__mark{height:34px;width:auto;display:block}
.brand--f .brand__mark{height:40px}
@media(max-width:640px){.brand__mark{height:28px}}
.shot{margin:0;position:relative}
.shot img{width:100%;height:auto;display:block;border-radius:14px;border:1px solid var(--line);
  background:#fff;box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.04)}
.shot--dark img{background:#0b0c10}
.shot figcaption{margin-top:14px;font-family:var(--mono);font-size:.72rem;letter-spacing:.09em;
  text-transform:uppercase;color:var(--ink-3)}
.shot--glow::before{content:"";position:absolute;inset:-14% -8% auto;height:60%;
  background:radial-gradient(60% 100% at 50% 0,rgba(255,194,14,.16),transparent 70%);
  filter:blur(38px);z-index:-1}
.shots{display:grid;gap:34px;grid-template-columns:repeat(2,1fr);margin-top:34px}
.shots--3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.shots,.shots--3{grid-template-columns:1fr}}