/* Layout: single centred column (max 1200px), sections separated by hairlines; hero splits copy | faceted gem. Dark-only by design. */
:root{
  --ink:#070A12;          /* page ground: deep blue-black */
  --ink-2:#0B1020;        /* alternate band */
  --panel:#0E1426;        /* raised panels */
  --line:#1B2440;         /* hairlines */
  --line-2:#2A3558;
  --text:#E9EDF5;
  --muted:#A7B0C4;
  --dim:#7F89A1;
  --emerald:#37D6A6;      /* the stone */
  --emerald-ink:#03140E;
  --gold:#D8B45E;         /* the setting: small details only */
  --display:"Unbounded","Arial Black",system-ui,sans-serif;
  --body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:18px;
  --wrap:1200px;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--emerald);text-decoration:none}
a:hover{color:#8CF0D0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
h1,h2,h3{text-wrap:balance}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:24px}
@media (max-width:480px){.wrap{padding-inline:16px}}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--panel);padding:8px 14px;z-index:99}

/* header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(7,10,18,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:72px;flex-wrap:wrap;padding-block:10px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);margin-right:auto}
.brand:hover{color:var(--text)}
.brand b{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:.08em}
.brand span{font-family:var(--display);font-weight:400;font-size:19px;color:var(--muted)}
.nav{display:flex;gap:26px;flex-wrap:wrap;font-size:15px;font-weight:500}
.nav a{color:var(--muted)}.nav a:hover{color:var(--text)}
.lang{display:flex;border:1px solid var(--line-2);border-radius:999px;padding:3px}
.lang button{all:unset;cursor:pointer;min-width:40px;min-height:36px;display:grid;place-items:center;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.lang button[aria-pressed="true"]{background:var(--emerald);color:var(--emerald-ink)}
.lang button:focus-visible{outline:2px solid var(--gold)}
.menu-btn{display:none}
@media (max-width:960px){
  .nav{display:none;order:5;width:100%;flex-direction:column;gap:4px;padding-block:8px}
  .nav.open{display:flex}
  .nav a{padding:10px 0;font-size:17px}
  .menu-btn{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line-2);border-radius:12px;background:none;color:var(--text);cursor:pointer}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;border-radius:999px;font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer;font-family:var(--body);transition:transform .15s ease,background .15s ease}
.btn-primary{background:var(--emerald);color:var(--emerald-ink)}
.btn-primary:hover{color:var(--emerald-ink);background:#5FE3BB;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{color:var(--text);border-color:var(--emerald)}

/* sections */
section{padding-block:96px;border-top:1px solid var(--line)}
section.band{background:var(--ink-2)}
@media (max-width:640px){section{padding-block:64px}}
.eyebrow{margin:0 0 14px;font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.h2{margin:0 0 20px;font-family:var(--display);font-weight:600;font-size:clamp(28px,3.4vw,44px);line-height:1.12;letter-spacing:-.01em;max-width:22ch}
.lead{margin:0;color:var(--muted);max-width:62ch}
.section-head{margin-bottom:52px}

/* hero */
.hero{border-top:0;padding-block:80px 104px}
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:48px}
.hero-copy{flex:1 1 540px;min-width:0}
.hero-art{flex:1 1 360px;min-width:0;display:flex;justify-content:center}
.hero-art svg{width:100%;max-width:440px;height:auto}
.hero h1{margin:0 0 28px;font-family:var(--display);font-weight:600;font-size:clamp(36px,5.2vw,68px);line-height:1.04;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--emerald)}
.hero .lead{font-size:19px;margin-bottom:36px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.reg-badge{margin-top:36px;display:inline-flex;align-items:center;gap:12px;padding:10px 16px;border:1px solid var(--line-2);border-radius:12px;font-size:14px;color:var(--muted)}
.reg-badge svg{flex:none}
.facet{transform-origin:220px 220px;animation:glint 7s ease-in-out infinite}
@keyframes glint{0%,100%{opacity:.35}50%{opacity:.85}}

/* grids */
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1020px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.grid-4,.grid-3{grid-template-columns:minmax(0,1fr)}}
.card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.card h3{margin:18px 0 8px;font-size:19px;font-weight:700;line-height:1.3}
.card p{margin:0;color:var(--muted);font-size:16px}
.icon{width:40px;height:40px;color:var(--emerald)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;counter-reset:s}
.step{padding:34px 28px;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step-n{font-family:var(--mono);font-size:13px;color:var(--gold)}
.step h3{margin:14px 0 8px;font-size:19px}
.step p{margin:0;color:var(--muted);font-size:16px}
@media (max-width:1020px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:620px){.steps{grid-template-columns:minmax(0,1fr)}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}}

/* methods */
.split{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start}
.split>*{min-width:0}
.split .side{flex:1 1 340px}
.split .main{flex:1 1 560px}
.chips{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.chip{display:flex;align-items:center;gap:14px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:var(--panel);font-weight:600}
.chip svg{width:26px;height:26px;color:var(--emerald);flex:none}
.fineprint{margin:18px 0 0;font-size:14px;color:var(--dim);max-width:70ch}

/* developers */
.code{border:1px solid var(--line);border-radius:var(--radius);background:#050811;overflow:hidden}
.code-bar{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 18px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px;color:var(--dim)}
.code pre{margin:0;padding:22px;overflow-x:auto;font-family:var(--mono);font-size:14px;line-height:1.7;color:#C9D2E3}
.code .c{color:var(--dim)}.code .s{color:var(--emerald)}.code .k{color:var(--gold)}
.ticks{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:baseline}
.ticks li::before{content:"";width:8px;height:8px;flex:none;transform:translateY(-2px) rotate(45deg);background:var(--emerald)}

/* compliance */
.legal-card{padding:34px;border:1px solid var(--line-2);border-radius:var(--radius);background:linear-gradient(var(--panel),var(--panel)) padding-box}
.legal-card h3{margin:0 0 6px;font-family:var(--display);font-weight:600;font-size:20px}
.legal-card .sub{margin:0 0 22px;color:var(--muted);font-size:15px}
dl.facts{display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:12px 24px;margin:0;font-size:15.5px}
dl.facts dt{color:var(--dim)}
dl.facts dd{margin:0;font-variant-numeric:tabular-nums}
@media (max-width:560px){dl.facts{grid-template-columns:minmax(0,1fr)}dl.facts dd{margin-bottom:8px}}
.seal{display:flex;gap:16px;align-items:flex-start;padding:24px;border:1px solid var(--gold);border-radius:var(--radius);margin-bottom:18px}
.seal svg{flex:none;width:44px;height:44px;color:var(--gold)}
.seal p{margin:0;color:var(--text)}
.seal small{display:block;margin-top:6px;color:var(--muted);font-size:14px}

/* contact */
.contact-info{display:grid;gap:22px;margin-top:32px}
.contact-info .row{display:flex;gap:14px}
.contact-info svg{width:22px;height:22px;flex:none;color:var(--emerald);margin-top:3px}
.contact-info .lbl{display:block;font-size:13px;color:var(--dim);letter-spacing:.06em;text-transform:uppercase}
form.contact{display:grid;gap:16px;padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:560px){.two{grid-template-columns:minmax(0,1fr)}form.contact{padding:22px}}
.field{display:grid;gap:7px;font-size:14px;color:var(--muted)}
.field input,.field textarea,.field select{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line-2);border-radius:12px;background:var(--ink);color:var(--text);font:inherit;font-size:16px}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--emerald);outline:none}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted)}
.consent input{width:20px;height:20px;margin-top:2px;accent-color:var(--emerald);flex:none}
.form-status{margin:0;font-size:15px;min-height:1.6em}
.form-status.ok{color:var(--emerald)}.form-status.err{color:#FF9A8B}
.hp{position:absolute;left:-9999px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding-block:44px;font-size:14px;color:var(--dim)}
.site-footer .wrap{display:grid;gap:18px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{color:var(--muted)}
.foot-legal{margin:0;max-width:90ch;line-height:1.7}

/* legal pages */
.doc{padding-block:64px 96px;border-top:0}
.doc .wrap{max-width:820px}
.doc h1{font-family:var(--display);font-weight:600;font-size:clamp(30px,4vw,44px);line-height:1.1;margin:0 0 10px}
.doc .updated{color:var(--dim);margin:0 0 40px;font-size:15px}
.doc h2{font-size:20px;margin:40px 0 10px}
.doc p,.doc li{color:#CDD4E2}
.doc ul{padding-left:22px}
.doc .box{padding:20px 22px;border:1px solid var(--line-2);border-radius:14px;background:var(--panel);font-size:15.5px}
.back{display:inline-flex;gap:8px;margin-bottom:28px;font-size:15px}