:root{
  --bg:#0b0b0c;
  --bg-soft:#111113;
  --card:#151517;
  --card-2:#1b1b1e;
  --line:#26262a;
  --text:#f4f4f2;
  --muted:#9b9ba1;
  --muted-2:#8a8a92;
  --accent:#ffd400;
  --accent-soft:rgba(255,212,0,.12);
  --danger:#ff6b6b;
  --radius:18px;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.display{font-family:'Space Grotesk','Inter',sans-serif;letter-spacing:-.02em;line-height:1.05}
.accent{color:var(--accent)}
section{position:relative}

section[id],main[id]{scroll-margin-top:90px}

header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  border-bottom:1px solid transparent;
}
header.scrolled{
  background:rgba(11,11,12,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;letter-spacing:.01em}
.logo small{font-weight:500;color:var(--muted);font-size:13px;letter-spacing:.16em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a.btn-primary,
.nav-links a.btn-primary:hover,
.nav-links a.btn-primary:focus{color:#111}
.btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14.5px;
  padding:12px 22px;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#111}
.btn-primary:hover{transform:translateY(-2px)}
.btn-primary:disabled{opacity:.6;cursor:default;transform:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.25s}

.hero{padding:150px 0 90px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-200px;right:-160px;width:640px;height:640px;
  background:radial-gradient(circle,rgba(255,212,0,.14),transparent 62%);filter:blur(10px);z-index:0;
}
.hero::after{
  content:"";position:absolute;bottom:-260px;left:-200px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(80,80,255,.10),transparent 65%);z-index:0;
}
.hero .wrap{position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--muted);background:var(--card);border:1px solid var(--line);
  padding:8px 16px;border-radius:999px;margin-bottom:28px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.hero h1{font-size:clamp(38px,6.6vw,78px);font-weight:700;max-width:15ch}
.hero p.lead{margin-top:26px;font-size:clamp(17px,2.2vw,21px);color:var(--muted);max-width:56ch}
.hero-cta{margin-top:40px;display:flex;gap:14px;flex-wrap:wrap}
.hero-tags{margin-top:46px;display:flex;flex-wrap:wrap;gap:10px}
.tag{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:7px 15px}

.sec{padding:96px 0}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-tag{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.sec-head h2{margin-top:16px;font-size:clamp(30px,4.4vw,50px);font-weight:700}
.sec-head p{margin-top:18px;color:var(--muted);font-size:17px}

.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;position:relative;overflow:hidden;transition:transform .22s ease,border-color .22s ease,background .22s;
}
.service:hover{transform:translateY(-4px);border-color:#3a3a40;background:var(--card-2)}
.service .idx{font-family:'Space Grotesk';font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.05em}
.service h3{margin-top:16px;font-size:21px;font-weight:700}
.service p{margin-top:12px;color:var(--muted);font-size:14.5px}
.service .items{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.service .items span{font-size:12.5px;color:var(--muted-2);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.service::after{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.service:hover::after{transform:scaleX(1)}

.codex{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.codex-inner{display:grid;grid-template-columns:0.9fr 1.1fr;gap:60px;align-items:start}
.codex-lead h2{font-size:clamp(30px,4.4vw,52px);font-weight:700}
.codex-lead .stamp{
  display:inline-block;margin-top:22px;font-family:'Space Grotesk';font-weight:700;font-size:13px;letter-spacing:.22em;
  color:var(--accent);border:1px dashed var(--accent);border-radius:10px;padding:9px 16px;text-transform:uppercase;
}
.codex-lead p{margin-top:26px;color:var(--muted);font-size:16.5px;max-width:44ch}
.codex-list{display:flex;flex-direction:column;gap:2px}
.codex-item{display:flex;gap:22px;padding:22px 4px;border-bottom:1px solid var(--line)}
.codex-item:last-child{border-bottom:0}
.codex-item .no{font-family:'Space Grotesk';font-weight:700;color:var(--accent);font-size:15px;min-width:44px}
.codex-item .txt{font-size:17.5px;font-weight:500}

.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-info h2{font-size:clamp(30px,4.4vw,50px);font-weight:700}
.contact-info p.sub{margin-top:20px;color:var(--muted);font-size:17px;max-width:42ch}
.contact-cards{margin-top:36px;display:flex;flex-direction:column;gap:14px}
.cc{display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 24px;transition:border-color .2s}
.cc:hover{border-color:var(--accent)}
.cc .ico{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);flex-shrink:0}
.cc .ico svg{width:20px;height:20px}
.cc > :last-child{display:flex;flex-direction:column;min-width:0}
.cc .k{display:block;font-size:12.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.1em}
.cc .v{display:block;font-size:16px;font-weight:600;margin-top:3px;line-height:1.4}
form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:8px;font-weight:500}
.field label .req{color:var(--accent)}
.field input,.field textarea{
  width:100%;background:var(--bg-soft);border:1px solid var(--line);border-radius:11px;
  padding:13px 15px;color:var(--text);font-family:inherit;font-size:15px;transition:border-color .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:var(--danger)}
.field textarea{resize:vertical;min-height:110px}
.field-error{margin-top:6px;font-size:12.5px;color:var(--danger)}

.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
form .btn-primary{width:100%;justify-content:center;margin-top:6px;padding:15px}
.consent{margin-top:16px;font-size:12.5px;color:var(--muted-2);line-height:1.5}
.consent a{color:var(--muted);text-decoration:underline}
.form-note{margin-top:14px;font-size:14px;font-weight:600;display:none}
.form-note.ok{display:block;color:var(--accent)}
.form-note.err{display:block;color:var(--danger)}
.form-note.info{display:block;color:var(--muted)}

footer{border-top:1px solid var(--line);padding:52px 0 40px}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot-brand{max-width:340px}
.foot-brand p{margin-top:16px;color:var(--muted);font-size:14.5px}
.foot-cols{display:flex;gap:70px;flex-wrap:wrap}
.foot-col h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted-2);margin-bottom:16px}
.foot-col a,.foot-col span{display:block;color:var(--muted);font-size:14.5px;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:var(--accent)}
.legal{color:var(--muted);font-size:13.5px;line-height:1.6;margin-top:6px}
.legal strong{color:var(--text);font-weight:600}
.foot-bottom{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:13.5px}

.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .codex-inner{grid-template-columns:1fr;gap:40px}
  .contact-inner{grid-template-columns:1fr;gap:36px}
}
@media(max-width:720px){
  .nav-links{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(11,11,12,.98);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
    padding:8px 24px 22px;transform:translateY(-140%);transition:transform .3s ease;align-items:stretch;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links .btn{margin-top:14px;justify-content:center}
  .burger{display:flex}
  .services-grid{grid-template-columns:1fr}
  .foot-cols{gap:40px}
  body.menu-open{overflow:hidden}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
}