:root{
  --ink:#0E1A2B;
  --ink-soft:#3B4A63;
  --paper:#F5F8FC;
  --surface:#FFFFFF;
  --surface-2:#EEF2F8;
  --line:#DCE3ED;
  --accent:#0B5FFF;
  --accent-ink:#FFFFFF;
  --accent-2:#00B39A;
  --signal:#FF5A36;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --body-font: 'Manrope', system-ui, sans-serif;
  --display: 'Unbounded', system-ui, sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#EAF0FA; --ink-soft:#93A6C4; --paper:#080D16; --surface:#0F1729;
    --surface-2:#141F35; --line:#22304A; --accent:#4C9AFF; --accent-ink:#08101F;
    --accent-2:#2DE0C2; --signal:#FF7A5C;
  }
}
:root[data-theme="dark"]{
  --ink:#EAF0FA; --ink-soft:#93A6C4; --paper:#080D16; --surface:#0F1729;
  --surface-2:#141F35; --line:#22304A; --accent:#4C9AFF; --accent-ink:#08101F;
  --accent-2:#2DE0C2; --signal:#FF7A5C;
}

*{box-sizing:border-box}
html{ background:var(--paper); }
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--body-font); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
[hidden]{display:none!important}
a{color:inherit}
::selection{background:var(--accent); color:var(--accent-ink)}
.wrap{ max-width:1180px; margin-inline:auto; padding-inline:20px; }
@media (min-width:640px){ .wrap{ padding-inline:32px; } }

h1,h2,h3{ font-family:var(--display); font-weight:600; line-height:1.1; text-wrap:balance; margin:0; letter-spacing:-.01em; }
p{ margin:0; }
.eyebrow{
  font-family:var(--mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent); display:flex; align-items:center; gap:10px; font-weight:500;
}
.eyebrow::before{ content:""; width:18px; height:1.5px; background:var(--accent); display:block; flex:none; }

/* ---------- nav ---------- */
header.nav{ position:sticky; top:0; z-index:50; backdrop-filter:blur(14px) saturate(140%);
  background:color-mix(in srgb, var(--paper) 78%, transparent); border-bottom:1px solid var(--line); }
.nav-row{ display:flex; align-items:center; justify-content:space-between; padding-block:16px; gap:16px; }
.logo{ display:flex; align-items:center; gap:9px; font-family:var(--display); font-weight:700; font-size:16.5px; letter-spacing:-.01em; text-decoration:none; color:var(--ink); }
.logo-dot{ width:9px; height:9px; border-radius:2px; background:var(--accent); transform:rotate(45deg); flex:none; }
nav.links{ display:none; gap:34px; font-size:14.5px; font-weight:600; }
nav.links a{ text-decoration:none; color:var(--ink-soft); }
nav.links a:hover{ color:var(--ink); }
@media (min-width:860px){ nav.links{ display:flex; } }
.nav-right{ display:flex; align-items:center; gap:14px; }
.nav-right .btn-accent{ display:none; }
@media (min-width:640px){ .nav-right .btn-accent{ display:inline-flex; } }

.nav-toggle{ width:38px; height:38px; border-radius:8px; border:1px solid var(--line); background:var(--surface);
  display:grid; place-items:center; gap:4px; cursor:pointer; flex:none; }
@media (min-width:860px){ .nav-toggle{ display:none; } }
.nav-toggle span{ width:16px; height:1.6px; background:var(--ink); display:block; transition:transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(5.6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-5.6px) rotate(-45deg); }

.nav-mobile{ display:grid; gap:2px; padding:10px 20px 18px; border-top:1px solid var(--line); }
.nav-mobile a{ text-decoration:none; color:var(--ink-soft); font-weight:600; font-size:14.5px; padding:10px 4px; border-bottom:1px solid var(--line); }
.nav-mobile a:last-child{ border-bottom:none; }
@media (min-width:860px){ .nav-mobile{ display:none!important; } }

.btn{ font-family:var(--body-font); font-weight:700; font-size:14px; letter-spacing:.01em;
  padding:11px 20px; border-radius:8px; border:1px solid transparent; cursor:pointer;
  text-decoration:none; display:inline-flex; align-items:center; gap:8px; white-space:nowrap; }
.btn-accent{ background:var(--accent); color:var(--accent-ink); }
.btn-accent:hover{ filter:brightness(1.08); }
.btn-ghost{ border-color:var(--line); color:var(--ink); background:transparent; }
.btn-ghost:hover{ border-color:var(--accent); }
.btn-sm{ padding:8px 14px; font-size:13px; }

/* ---------- hero (home) ---------- */
.hero{ position:relative; overflow:hidden; border-bottom:1px solid var(--line); }
.hero canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.55; }
.hero-inner{ position:relative; padding-block:76px 92px; display:grid; gap:26px; max-width:760px; }
.hero h1{ font-size:clamp(34px,6.4vw,64px); }
.hero h1 em{ font-style:normal; color:var(--accent); }
.hero p.lead{ font-size:clamp(16px,2vw,19px); color:var(--ink-soft); max-width:56ch; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-top:6px; }
.hero-tags{ display:flex; gap:10px; flex-wrap:wrap; margin-top:8px; }
.tag{ font-family:var(--mono); font-size:12px; letter-spacing:.03em; color:var(--ink-soft);
  border:1px solid var(--line); border-radius:100px; padding:6px 12px; background:var(--surface); }

/* ---------- hero (detail pages) ---------- */
.dhero{ position:relative; overflow:hidden; border-bottom:1px solid var(--line); }
.dhero canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.4; }
.dhero-inner{ position:relative; padding-block:52px 60px; display:grid; gap:18px; max-width:720px; }
.breadcrumb{ font-family:var(--mono); font-size:12px; color:var(--ink-soft); display:flex; gap:8px; align-items:center; margin-bottom:4px; }
.breadcrumb a{ text-decoration:none; color:var(--ink-soft); }
.breadcrumb a:hover{ color:var(--accent); }
.dhero h1{ font-size:clamp(28px,4.6vw,44px); }
.dhero p.lead{ font-size:16.5px; color:var(--ink-soft); max-width:60ch; }

section{ padding-block:88px; border-bottom:1px solid var(--line); }
.section-tight{ padding-block:64px; }
.head-row{ display:flex; flex-direction:column; gap:16px; margin-bottom:52px; max-width:640px; }
.head-row p{ color:var(--ink-soft); font-size:16.5px; }
.head-row h2{ font-size:clamp(26px,3.6vw,38px); }

/* ---------- services grid (home) ---------- */
.svc-grid{ display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:16px; overflow:hidden; }
@media (min-width:700px){ .svc-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:1040px){ .svc-grid{ grid-template-columns:1fr 1fr 1fr; } }
.svc-card{ background:var(--surface); padding:32px 28px; display:flex; flex-direction:column; gap:14px;
  position:relative; min-height:220px; overflow:hidden; transition:background .25s ease, transform .2s ease;
  text-decoration:none; color:var(--ink); will-change:transform; }
.svc-card::after{ content:""; position:absolute; inset:0; pointer-events:none; opacity:0; transition:opacity .25s ease;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
.svc-card:hover{ background:var(--surface-2); }
.svc-card:hover::after{ opacity:1; }
.svc-card .ico{ width:42px; height:42px; border-radius:10px; display:grid; place-items:center;
  background:color-mix(in srgb, var(--accent) 12%, transparent); color:var(--accent); flex:none; }
.svc-card .ico svg{ width:22px; height:22px; }
.svc-card h3{ font-size:18px; font-weight:600; }
.svc-card p{ color:var(--ink-soft); font-size:14.6px; line-height:1.55; flex:1; }
.svc-card .more{ font-family:var(--mono); font-size:12px; color:var(--accent); text-transform:uppercase; letter-spacing:.06em; }
.svc-card .num{ position:absolute; top:20px; right:24px; font-family:var(--mono); font-size:12px; color:var(--line); }

/* ---------- detail page: what we do ---------- */
.feature-list{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden; }
.feature{ background:var(--surface); padding:24px 26px; display:flex; gap:16px; }
.feature .check{ width:26px; height:26px; border-radius:7px; background:color-mix(in srgb, var(--accent-2) 16%, transparent); color:var(--accent-2); display:grid; place-items:center; flex:none; margin-top:2px; }
.feature .check svg{ width:14px; height:14px; }
.feature h3{ font-size:16.5px; font-weight:600; margin-bottom:5px; }
.feature p{ color:var(--ink-soft); font-size:14.6px; }

/* ---------- related services ---------- */
.related-grid{ display:grid; grid-template-columns:1fr; gap:14px; }
@media (min-width:640px){ .related-grid{ grid-template-columns:1fr 1fr; } }
@media (min-width:960px){ .related-grid{ grid-template-columns:repeat(3,1fr); } }
.related-card{ border:1px solid var(--line); border-radius:12px; padding:18px 20px; text-decoration:none; color:var(--ink);
  display:flex; align-items:center; justify-content:space-between; gap:10px; background:var(--surface);
  position:relative; overflow:hidden; transition:border-color .2s ease, transform .2s ease; will-change:transform; }
.related-card::after{ content:""; position:absolute; inset:0; pointer-events:none; opacity:0; transition:opacity .25s ease;
  background:radial-gradient(160px circle at var(--mx,50%) var(--my,50%), color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%); }
.related-card:hover{ border-color:var(--accent); }
.related-card:hover::after{ opacity:1; }
.related-card span, .related-card svg{ position:relative; }
.related-card span{ font-size:14.5px; font-weight:600; }
.related-card svg{ width:15px; height:15px; color:var(--accent); flex:none; }

/* ---------- method ---------- */
.method{ display:grid; gap:0; position:relative; }
.m-row{ display:grid; grid-template-columns:64px 1fr; gap:20px; padding-block:26px; border-top:1px solid var(--line); position:relative; }
.m-row:last-child{ border-bottom:1px solid var(--line); }
.m-num{ font-family:var(--mono); font-size:13px; color:var(--accent); padding-top:3px; }
.m-body h3{ font-size:19px; font-weight:600; margin-bottom:6px; }
.m-body p{ color:var(--ink-soft); font-size:15px; max-width:62ch; }
.m-line{ position:absolute; left:31px; top:0; bottom:0; width:1px; background:var(--line); }
.m-line i{ display:block; width:100%; background:var(--accent); height:0%; transform-origin:top; }

/* ---------- about page ---------- */
.about-grid{ display:grid; gap:44px; }
@media (min-width:900px){ .about-grid{ grid-template-columns:1.1fr .9fr; } }
.about-copy p{ color:var(--ink-soft); font-size:16px; margin-top:16px; }
.about-copy p:first-of-type{ margin-top:0; }
.values{ display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:14px; overflow:hidden; }
.value{ background:var(--surface); padding:20px 22px; display:flex; gap:14px; align-items:flex-start; }
.value .dot{ width:7px; height:7px; border-radius:2px; background:var(--accent-2); margin-top:8px; flex:none; transform:rotate(45deg); }
.value b{ display:block; font-size:14.5px; margin-bottom:3px; }
.value span{ color:var(--ink-soft); font-size:13.8px; }

/* ---------- marquee ---------- */
.marquee{ border-bottom:1px solid var(--line); overflow:hidden; }
.marquee .track{ display:flex; gap:56px; white-space:nowrap; padding-block:20px; animation:scroll 30s linear infinite; width:max-content; }
.marquee span{ font-family:var(--mono); font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); display:flex; align-items:center; gap:10px; }
.marquee span::after{ content:"◆"; font-size:8px; color:var(--accent); }
@keyframes scroll{ to{ transform:translateX(-50%); } }
@media (prefers-reduced-motion:reduce){ .marquee .track{ animation:none; } }

/* ---------- cta banner ---------- */
.cta-banner{ border-bottom:none; background:var(--ink); color:var(--paper); }
.cta-banner .wrap{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:24px; padding-block:56px; }
.cta-banner h2{ color:var(--paper); font-size:clamp(22px,3vw,30px); max-width:32ch; }
.cta-banner p{ color:color-mix(in srgb, var(--paper) 65%, transparent); font-size:15px; margin-top:8px; max-width:44ch; }

/* ---------- contact page ---------- */
.contact-grid{ display:grid; gap:40px; }
@media (min-width:900px){ .contact-grid{ grid-template-columns:.85fr 1.15fr; } }
.contact-card{ background:var(--ink); color:var(--paper); border-radius:20px; padding:40px 34px; }
.contact-card h3{ font-size:24px; margin-bottom:14px; color:var(--paper); }
.contact-card p{ color:color-mix(in srgb, var(--paper) 65%, transparent); font-size:15px; margin-bottom:26px; }
.contact-line{ display:flex; align-items:center; gap:12px; padding-block:14px; border-top:1px solid color-mix(in srgb, var(--paper) 16%, transparent); font-size:15px; }
.contact-line:first-of-type{ border-top:none; }
.contact-line svg{ width:17px; height:17px; flex:none; color:var(--accent-2); }
.contact-line a{ text-decoration:none; color:var(--paper); font-weight:600; }

form.f{ display:grid; gap:14px; }
.f-row{ display:grid; gap:14px; }
@media (min-width:560px){ .f-row.two{ grid-template-columns:1fr 1fr; } }
label{ font-size:13px; font-weight:700; color:var(--ink-soft); display:block; margin-bottom:7px; }
input, textarea, select{ width:100%; font-family:var(--body-font); font-size:15px; padding:13px 14px; border-radius:9px;
  border:1px solid var(--line); background:var(--surface); color:var(--ink); resize:vertical; }
input:focus, textarea:focus, select:focus{ outline:2px solid var(--accent); outline-offset:1px; }
textarea{ min-height:120px; }
.f-submit{ display:flex; align-items:center; gap:16px; margin-top:4px; flex-wrap:wrap; }
.f-note{ font-size:12.5px; color:var(--ink-soft); }

/* ---------- footer ---------- */
footer{ padding-block:56px 30px; }
.foot-grid{ display:grid; gap:36px; padding-bottom:36px; border-bottom:1px solid var(--line); }
@media (min-width:760px){ .foot-grid{ grid-template-columns:1.3fr 1fr 1fr 1fr; } }
.foot-brand p{ color:var(--ink-soft); font-size:14px; margin-top:12px; max-width:32ch; }
.foot-col{ display:flex; flex-direction:column; gap:10px; }
.foot-col b{ font-size:13px; text-transform:uppercase; letter-spacing:.06em; color:var(--ink); margin-bottom:2px; }
.foot-col a{ text-decoration:none; color:var(--ink-soft); font-size:14px; }
.foot-col a:hover{ color:var(--accent); }
.foot-bottom{ padding-top:22px; font-size:13px; color:var(--ink-soft); }

.reveal{ opacity:0; transform:translateY(24px); }
@media (prefers-reduced-motion:reduce){ .reveal{ opacity:1; transform:none; } }

/* ---- FAQ & zones (SEO) ---- */
.faq{ display:grid; gap:12px; max-width:880px; }
.faq-item{ background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:0 20px; }
.faq-item summary{ cursor:pointer; list-style:none; padding:18px 28px 18px 0; font-weight:700; color:var(--ink); position:relative; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; position:absolute; right:0; top:50%; transform:translateY(-50%); font-size:22px; color:var(--accent); }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ margin:0 0 18px; color:var(--ink-soft); }
.hero-tags.zones{ flex-wrap:wrap; }