:root{
  --bg:#07101b;
  --bg-2:#0b1624;
  --surface:rgba(12,22,34,.72);
  --surface-strong:rgba(14,26,40,.92);
  --text:#edf4ff;
  --muted:#a4b2c6;
  --line:rgba(164,178,198,.16);
  --brand:#66a7ff;
  --brand-2:#8b7cff;
  --brand-3:#5ef0c8;
  --shadow:0 16px 60px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(102,167,255,.12), 0 0 40px rgba(102,167,255,.12);
  --radius:22px;
  --radius-sm:16px;
  --container:1200px;
}

html[data-theme="light"]{
  --bg:#f3f7fc;
  --bg-2:#ebf1f8;
  --surface:rgba(255,255,255,.72);
  --surface-strong:rgba(255,255,255,.96);
  --text:#0d1522;
  --muted:#59667a;
  --line:rgba(13,21,34,.10);
  --brand:#2f6dff;
  --brand-2:#6757ff;
  --brand-3:#19b48f;
  --shadow:0 16px 50px rgba(18,31,53,.08);
  --glow:0 0 0 1px rgba(47,109,255,.10), 0 0 32px rgba(47,109,255,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(102,167,255,.18), transparent 34%),
    radial-gradient(circle at top right, rgba(139,124,255,.16), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.045) 1px, transparent 0);
  background-size:30px 30px;
  pointer-events:none;
  z-index:-1;
}
html[data-theme="light"] body::before{background-image:radial-gradient(circle at 1px 1px, rgba(0,0,0,.04) 1px, transparent 0)}

a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}

.page-load{opacity:0;transition:opacity .45s ease}
.page-load.loaded{opacity:1}

.container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
.section{padding:104px 0;position:relative}
.section--compact{padding-top:60px}
.section--first{padding-top:140px}
.section__head{max-width:800px;margin-bottom:34px}
.section__eyebrow,.eyebrow{
  display:inline-flex;
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--brand);
  margin-bottom:14px;
}
.section__head h1,.section__head h2{font-size:clamp(2rem,5vw,3.3rem);line-height:1.04;margin:0 0 16px}
.section__head p{color:var(--muted);font-size:1.02rem;line-height:1.75;margin:0}

.skip-link{
  position:absolute;left:-9999px;top:10px;
  padding:10px 14px;border-radius:12px;background:var(--surface-strong);border:1px solid var(--line)
}
.skip-link:focus{left:10px;z-index:1000}

:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--brand-3));
  z-index:200;box-shadow:0 0 15px rgba(102,167,255,.5)
}

.header{
  position:sticky;top:0;z-index:120;
  backdrop-filter:blur(18px) saturate(1.15);
  -webkit-backdrop-filter:blur(18px) saturate(1.15);
  background:rgba(8,14,23,.55);
  border-bottom:1px solid var(--line);
}
html[data-theme="light"] .header{background:rgba(243,247,252,.78)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 16px;border-radius:999px;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--glow);font-weight:800;letter-spacing:.06em
}
.nav{display:flex;gap:12px;align-items:center}
.nav a,.mobile-nav a{
  padding:10px 14px;border-radius:999px;color:var(--muted);transition:.22s ease;
}
.nav a:hover,.mobile-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);transform:translateY(-1px)}
.header__actions{display:flex;align-items:center;gap:10px}
.burger{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer}
.mobile-nav{
  display:none;flex-direction:column;gap:8px;padding:0 16px 16px;margin-top:-6px
}
.mobile-nav.open{display:flex}

.toggle,.lang-switch{
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  border-radius:999px;min-height:42px;padding:0 14px;cursor:pointer;transition:.25s ease;
  box-shadow:var(--shadow)
}
.toggle:hover,.lang-switch:hover{transform:translateY(-1px);border-color:rgba(102,167,255,.35)}
.toggle{padding:4px;width:72px}
.toggle__track{display:block;position:relative;height:32px;border-radius:999px;background:linear-gradient(90deg,rgba(102,167,255,.12),rgba(139,124,255,.12))}
.toggle__thumb{
  position:absolute;top:4px;left:4px;width:24px;height:24px;border-radius:50%;
  background:linear-gradient(180deg,#fff,#b8d6ff);box-shadow:0 6px 16px rgba(0,0,0,.22);transition:transform .28s ease
}
html[data-theme="light"] .toggle__thumb{transform:translateX(40px);background:linear-gradient(180deg,#fff,#ffe4a8)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 18px;border-radius:999px;border:1px solid transparent;
  transition:.25s ease;font-weight:600;cursor:pointer
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:white;box-shadow:0 14px 32px rgba(102,167,255,.26)}
.btn--secondary{background:var(--surface);border-color:var(--line)}
.btn--ghost{background:transparent;border-color:var(--line)}
.desktop-only{display:inline-flex}

.hero{padding-top:64px;padding-bottom:90px}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.hero__pills{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.pill{
  display:inline-flex;padding:9px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);font-size:.92rem;color:var(--text)
}
.pill--ghost{color:var(--muted)}
.hero__title{font-size:clamp(2.8rem,7vw,5.5rem);line-height:.96;margin:0 0 16px}
.hero__subtitle{font-size:clamp(1.15rem,2vw,1.55rem);margin:0 0 14px;color:var(--text);max-width:760px}
.hero__lead{font-size:1.02rem;line-height:1.8;color:var(--muted);max-width:700px;margin:0 0 28px}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px}
.stat{padding:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.stat__num{display:block;font-size:1.7rem;font-weight:800;margin-bottom:6px}
.stat__label{color:var(--muted);font-size:.95rem;line-height:1.5}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero__quick{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.quick__value{line-height:1.65;color:var(--muted)}

.hero__visual{position:relative;min-height:620px}
.portrait-wrap{
  position:absolute;inset:30px 60px 70px 30px;padding:18px;border-radius:40px;
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)
}
.portrait-glow{position:absolute;inset:auto -20% -15% -20%;height:220px;background:radial-gradient(circle, rgba(102,167,255,.28), transparent 60%);filter:blur(20px)}
.portrait{width:100%;height:100%;object-fit:cover;object-position:center 18%;border-radius:28px}
.floating-card{
  position:absolute;max-width:280px;padding:18px;border-radius:22px;background:var(--surface-strong);border:1px solid var(--line);box-shadow:var(--shadow);line-height:1.5
}
.floating-card--one{right:-80px;top:0px}
.floating-card--two{left:0;bottom:0}

.card,.contact-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow)
}
.card--soft{background:rgba(255,255,255,.04)}
.card h3,.card h2{margin:0 0 14px}
.card p{margin:0;color:var(--muted);line-height:1.75}
.card ul{margin:18px 0 0;padding-left:18px;color:var(--muted);line-height:1.75}
.card li+li{margin-top:8px}
.card-hover{transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease,background .28s ease}
.card-hover:hover{transform:translateY(-6px);border-color:rgba(102,167,255,.28);box-shadow:0 18px 50px rgba(0,0,0,.30), 0 0 0 1px rgba(102,167,255,.10)}

.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.cases-grid,.stack-grid,.contacts-grid,.pricing-grid,.highlight-grid{display:grid;gap:18px}
.cases-grid{grid-template-columns:repeat(3,1fr)}
.stack-grid{grid-template-columns:repeat(3,1fr)}
.highlight-grid{grid-template-columns:1fr 1fr}
.pricing-grid{grid-template-columns:repeat(3,1fr)}
.contacts-grid{grid-template-columns:repeat(3,1fr)}
.case__meta,.price__label{display:inline-flex;margin-bottom:14px;color:var(--brand);font-size:.88rem}
.case--accent,.price--accent{background:linear-gradient(180deg,rgba(102,167,255,.14),rgba(139,124,255,.10))}
.inline-link{display:inline-flex;margin-top:18px;color:var(--text);font-weight:600}
.inline-link:hover{color:var(--brand)}

.ordered-list,.plain-list,.steps{margin:0;padding:0;list-style:none}
.ordered-list li,.plain-list li,.steps div{padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.ordered-list li:last-child,.plain-list li:last-child,.steps div:last-child{border-bottom:none}
.steps strong{display:inline-block;width:48px;color:var(--text)}

.contact-card{
  display:flex;flex-direction:column;gap:8px;min-height:150px;justify-content:flex-end;cursor:pointer
}
.copy-card{width:100%;text-align:left;color:var(--text)}
.contact-card strong{font-size:1.06rem;line-height:1.55}

.cta-banner{display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta-banner__actions{display:flex;gap:12px;flex-wrap:wrap}
.footer{padding:28px 0 40px;border-top:1px solid var(--line);margin-top:30px}
.footer__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted)}

.toast{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  padding:12px 16px;border-radius:999px;background:var(--surface-strong);border:1px solid var(--line);
  opacity:0;pointer-events:none;transition:.28s ease;z-index:300
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.reveal,.reveal-delay,.reveal-stagger > *{opacity:0;transform:translateY(16px);transition:opacity .55s ease, transform .55s ease}
.reveal-delay{transition-delay:.15s}
.reveal.is-visible,.reveal-delay.is-visible,.reveal-stagger.is-visible > *{opacity:1;transform:none}
.reveal-stagger.is-visible > *:nth-child(2){transition-delay:.08s}
.reveal-stagger.is-visible > *:nth-child(3){transition-delay:.16s}
.reveal-stagger.is-visible > *:nth-child(4){transition-delay:.24s}
.reveal-stagger.is-visible > *:nth-child(5){transition-delay:.32s}
.reveal-stagger.is-visible > *:nth-child(6){transition-delay:.40s}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal,.reveal-delay,.reveal-stagger > *{opacity:1;transform:none}
}

@media (max-width:1100px){
  .hero__grid,.grid--3,.cases-grid,.stack-grid,.pricing-grid,.contacts-grid,.highlight-grid{grid-template-columns:1fr 1fr}
  .hero__visual{min-height:540px}
}

@media (max-width:820px){
  .desktop-nav,.desktop-only{display:none}
  .burger{display:inline-block}
  .hero__grid,.hero__stats,.hero__quick,.grid--3,.cases-grid,.stack-grid,.pricing-grid,.contacts-grid,.highlight-grid,.cta-banner{grid-template-columns:1fr;display:grid}
  .hero__visual{min-height:auto}
  .portrait-wrap{position:relative;inset:auto;height:520px;margin-bottom:18px}
  .floating-card{position:relative;max-width:none;left:auto;right:auto;top:auto;bottom:auto;margin-top:12px}
  .section{padding:82px 0}
  .hero{padding-top:38px}
}

@media (max-width:560px){
  .container{width:min(var(--container),calc(100% - 22px))}
  .header__inner{padding:12px 0}
  .hero__title{font-size:2.5rem}
  .btn{width:100%}
  .header__actions{gap:8px}
  .lang-switch{padding:0 12px}
  .toggle{width:60px}
  html[data-theme="light"] .toggle__thumb{transform:translateX(28px)}
}