/* styles.css — УНІКАЛЬНИЙ РЕДИЗАЙН (варіант B) */
:root{
  --bg:#0B0F15;
  --card:#111826;
  --ink:#E8EEF5;
  --muted:#98A6B2;
  --brand:#7C5CFF;     /* було бірюзове — зробили фіолетово-блакитний акцент */
  --brand-2:#3AD0FF;
  --ring:#243241;
  --radius:14px;
  --shadow:0 14px 40px rgba(0,0,0,.35);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body.u-body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(58,208,255,.12), transparent 60%),
    var(--bg);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* A11Y */
.u-skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.u-skip:focus{left:20px;top:20px;background:#111;color:#fff;padding:10px 14px;border-radius:8px;z-index:1000}

/* TOP BAR */
.topbar{position:fixed;left:0;right:0;top:0;z-index:50;background:rgba(12,17,22,.6);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid rgba(255,255,255,.06);transition:box-shadow .2s,border-color .2s}
.topbar.with-shadow{box-shadow:var(--shadow);border-color:transparent}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand img{height:40px}

.site-nav ul{display:flex;gap:36px;list-style:none}
.site-nav a{color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:.02em;position:relative}
.site-nav a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .25s}
.site-nav a:hover::after{width:100%}

.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
.nav-toggle .line{display:block;width:26px;height:3px;background:var(--ink);margin:5px 0;border-radius:2px}

/* PANELS */
.panel{padding:140px 0 100px;border-top:1px solid rgba(255,255,255,.06)}
.hero-panel{padding-top:160px;border-top:none}
.capabilities-panel{background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 40%)}
.proof-panel{background:linear-gradient(180deg, transparent, rgba(255,255,255,.03))}
.tooling-panel{background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 40%)}
.cta-panel{background:#0A0F14}

/* HERO */
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.display{font-size:clamp(44px,7.5vw,88px);font-weight:900;letter-spacing:-.02em;line-height:1.02}
.accent{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:18px;font-size:18px;color:var(--muted);max-width:680px}
.actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.kpi{display:flex;gap:14px;padding:16px;border:1px solid var(--ring);border-radius:12px;background:rgba(17,24,38,.6)}
.kpi strong{font-size:28px;line-height:1}
.kpi span{color:var(--muted)}
.hero-stats{display:grid;gap:14px}

/* CARDS */
.seg-head{text-align:center;margin-bottom:46px}
.seg-head h2{font-size:clamp(32px,5.6vw,48px);font-weight:900}
.muted{color:var(--muted);max-width:700px;margin:8px auto 0}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:var(--card);border:1px solid var(--ring);border-radius:var(--radius);padding:26px}
.card .num{font-weight:900;color:var(--brand-2);margin-bottom:8px;letter-spacing:.02em}
.card h3{font-size:18px;margin-bottom:10px}
.card ul{list-style:none;color:#C8D2DC;font-size:15px}
.card li{padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.card li:last-child{border-bottom:none}

/* CASES */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case{background:var(--card);border:1px solid var(--ring);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.case-media img{height:220px;object-fit:cover;width:100%}
.case-copy{padding:20px}
.case-copy h3{font-size:18px;margin-bottom:8px}
.case-copy p{font-size:15px;color:#C8D2DC}

/* TOOLING */
.tooling-title{text-align:center;font-size:clamp(30px,5vw,42px);font-weight:900;margin-bottom:26px}
.tooling-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;align-items:center;justify-items:center;margin-bottom:30px}
.tooling-grid img{height:44px;filter:brightness(0) invert(1);opacity:.78;transition:transform .2s,opacity .2s}
.tooling-grid img:hover{opacity:1;transform:translateY(-2px) scale(1.06)}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 28px}
.gallery img{height:200px;object-fit:cover;border-radius:12px;border:1px solid var(--ring)}

.badge-list{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.badge-list img{height:48px;object-fit:contain;filter:brightness(0) invert(1)}

/* CTA */
.cta-panel .wrap{display:grid;place-items:center;text-align:center}
.cta-panel h2{font-size:clamp(34px,6vw,52px);font-weight:900}
.cta-actions{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}

/* BUTTONS */
.btn{display:inline-block;padding:14px 28px;border-radius:999px;font-weight:800;letter-spacing:.02em;text-decoration:none;border:2px solid transparent;transition:transform .15s, background .2s, color .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#0A0F14}
.btn-primary:hover{filter:saturate(115%)}
.btn-ghost{background:transparent;border-color:#2A394B;color:var(--ink)}
.btn-ghost:hover{background:#101821}

/* FOOTER */
.site-footer{background:#05080C;padding:64px 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:22px;align-items:center}
.foot-logo{height:50px}
.foot-nav{list-style:none;display:flex;gap:18px;flex-wrap:wrap}
.foot-nav a{text-decoration:none;color:#C8D2DC;font-weight:800;font-size:13px}
.foot-nav a:hover{color:#fff}
.foot-note{color:#8FA0AE;margin-top:10px}
.foot-art img{height:200px}

/* RESPONSIVE */
@media (max-width: 1020px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr 1fr}
  .hero-grid{grid-template-columns:1fr}
}
@media (max-width: 860px){
  .site-nav ul{display:none}
  .nav-toggle{display:block}
  .site-nav ul.is-open{
    display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:76px;
    background:#0A0F14;border-bottom:1px solid rgba(255,255,255,.06);padding:12px 0
  }
  body.nav-open{overflow:hidden}
}
@media (max-width: 640px){
  .tooling-grid{grid-template-columns:repeat(3,1fr)}
  .gallery{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
}