/* ============ Design Tokens ============ */
:root{
  --bg: #0B1215;
  --bg-2:#0F171B;
  --surface:#131D22;
  --ink:#E6F0F2;
  --ink-2:#9FB3B9;
  --accent:#2AD4C9;
  --accent-2:#57E3D9;
  --line:#1E2A30;
  --shadow: 0 20px 50px rgba(42,212,201,.15);
  --radius: 18px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: 'Manrope', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 800px at 80% -10%, rgba(42,212,201,.07), transparent 60%) , var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

/* Helpers */
.wrap{max-width:1180px;margin-inline:auto;padding-inline:20px}
.sr-only{position:absolute;clip:rect(0 0 0 0);clip-path:inset(50%);height:1px;width:1px;overflow:hidden;white-space:nowrap;border:0}

/* ============ Header ============ */
.site-header{
  position: sticky; top:0; z-index:50;
  background: rgba(11,18,21,.7);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;gap:24px;justify-content:space-between;padding-block:14px}
.brand img{display:block}

.primary-nav{display:flex;align-items:center;gap:18px}
.menu{display:flex;gap:24px;list-style:none}
.menu a{color:var(--ink-2);text-decoration:none;font-weight:600}
.menu a:hover{color:var(--ink)}

.nav-toggle{
  display:none; position:relative; width:44px; height:44px; border-radius:12px;
  border:1px solid var(--line); background:var(--surface); cursor:pointer;
}
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after{
  position:absolute; left:50%; top:50%; translate:-50% -50%;
  width:20px;height:2px;background:var(--ink); content:""; transition:.25s var(--ease)
}
.nav-toggle__bar::before{translate:-50% calc(-50% - 6px)}
.nav-toggle__bar::after{translate:-50% calc(-50% + 6px)}

/* ============ Hero ============ */
.hero{padding:96px 0 36px;border-bottom:1px solid var(--line);background:
  radial-gradient(800px 600px at 10% -10%, rgba(87,227,217,.08), transparent 60%)}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.eyebrow{letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--accent);margin-bottom:14px}
.display{font-size:clamp(2.4rem, 3.6vw, 3.8rem);line-height:1.15;font-weight:800;margin-bottom:14px}
.display .accent{color:var(--accent-2)}
.lead{font-size:1.1rem;color:var(--ink-2);max-width:56ch;margin-bottom:22px}

.cta-row{display:flex;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.btn{
  --btn-bg:var(--surface);--btn-ink:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 18px;border-radius:14px;border:1px solid var(--line);
  background:var(--btn-bg); color:var(--btn-ink); text-decoration:none; font-weight:800;
  transition:transform .15s var(--ease), box-shadow .15s var(--ease), border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px); box-shadow: var(--shadow); border-color:rgba(255,255,255,.08)}
.btn-primary{--btn-bg:linear-gradient(135deg,var(--accent),var(--accent-2));--btn-ink:#0A0F11}
.btn-ghost{background:transparent}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.12)}
.btn-contrast{--btn-bg:#FAFAFA; --btn-ink:#0B1215}

.kpis{display:flex;gap:22px;list-style:none;flex-wrap:wrap}
.kpis li{background:var(--surface);border:1px solid var(--line);padding:14px 16px;border-radius:12px}
.kpis strong{font-size:1.2rem}
.kpis span{display:block;color:var(--ink-2);font-size:.95rem}

.mosaic{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mosaic img{width:100%;height:200px;object-fit:cover;border-radius:14px;border:1px solid var(--line);filter:saturate(1.05) contrast(1.02)}

/* ============ Sections ============ */
.section{padding:72px 0}
.section--alt{background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.section__head{margin-bottom:28px}
.section__head h2{font-size:clamp(1.8rem,2.8vw,2.4rem)}
.muted{color:var(--ink-2)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
  padding:20px; display:flex; flex-direction:column; gap:16px; transition:transform .2s var(--ease), box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-2px); box-shadow: var(--shadow)}
.card__head h3{font-size:1.2rem}
.price{color:var(--accent-2);font-weight:800}
.list{list-style:none;display:grid;gap:10px}
.list li{position:relative;padding-left:18px;color:var(--ink-2)}
.list li::before{content:"✓";position:absolute;left:0;color:var(--accent-2);font-weight:800}
.card--featured{outline:2px solid rgba(42,212,201,.35)}
.chip{
  display:inline-block; align-self:flex-start; padding:6px 10px; border-radius:999px;
  background:rgba(42,212,201,.15); color:var(--accent-2); font-weight:800; font-size:.85rem;
}

/* Lab */
.lab{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.lead-sm{color:var(--ink-2);max-width:62ch;margin:10px 0 14px}
.steps{display:grid;gap:10px;margin:4px 0 16px 0}
.steps li{background:var(--bg-2);border:1px dashed var(--line);padding:12px 14px;border-radius:12px}
.mini-cta{display:flex;gap:10px;flex-wrap:wrap}
.quote{
  background:linear-gradient(180deg,#0D1519,#0F191D);border:1px solid var(--line);
  border-radius:14px;padding:18px;margin-bottom:14px;font-style:italic
}
.quote cite{display:block;margin-top:8px;color:var(--ink-2);font-style:normal}
.facts{list-style:none;display:grid;gap:10px}
.facts li{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px}
.facts span{display:inline-block;font-weight:800;color:var(--accent-2);margin-right:8px}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.gallery__item{width:100%;height:340px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}

/* Brands */
.brands{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;place-items:center;opacity:.8;filter:grayscale(100%) brightness(1.3)}
.brands img{max-height:44px;width:auto}
.brands img:hover{opacity:1;filter:none}
.tech{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}
.tech__row{display:flex;gap:40px;align-items:center;justify-content:center;opacity:.85;filter:grayscale(100%)}
.tech__row img{max-height:36px}

/* CTA */
.cta{padding:96px 0;background:
  linear-gradient(135deg, rgba(42,212,201,.18), transparent 45%),
  radial-gradient(800px 500px at 0% 100%, rgba(87,227,217,.12), transparent 60%);}
.cta .display-sm{font-size:clamp(1.8rem,2.6vw,2.2rem);margin-bottom:12px}

/* Footer */
.site-footer{border-top:1px solid var(--line); background:var(--bg-2)}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;padding:28px 0}
.footer__nav ul, .footer__contacts ul{list-style:none;display:grid;gap:8px}
.footer__nav a, .footer__contacts a{color:var(--ink-2);text-decoration:none}
.footer__nav a:hover, .footer__contacts a:hover{color:var(--ink)}
.footer__bottom{padding:16px 0;border-top:1px solid var(--line);text-align:center;color:var(--ink-2)}

/* Reveal on scroll */
[data-reveal]{opacity:0; transform:translateY(14px); transition:opacity .5s var(--ease), transform .5s var(--ease)}
[data-reveal].is-visible{opacity:1; transform:none}

/* ============ Responsive ============ */
@media (max-width: 980px){
  .hero__grid, .lab{grid-template-columns:1fr}
  .mosaic img{height:180px}
  .cards{grid-template-columns:1fr 1fr}
}
@media (max-width: 740px){
  .menu{position:fixed; inset:64px 0 auto 0; background:var(--bg); border-top:1px solid var(--line);
    transform:translateY(-10px); opacity:0; pointer-events:none; padding:12px; display:grid; gap:8px}
  .menu.open{transform:none; opacity:1; pointer-events:auto}
  .nav-toggle{display:inline-block}
  .cards{grid-template-columns:1fr}
  .brands{grid-template-columns:repeat(2,1fr)}
  .gallery__item{height:240px}
}