/* layout.css — шапка, футер, сітки, hero-каркас */

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,249,255,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s,box-shadow .3s;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(7,26,82,.5);background:rgba(247,249,255,.94)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:14px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--ff-head);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand .mark{width:42px;height:42px;flex:none;border-radius:12px;box-shadow:var(--shadow-sm)}
.brand small{display:block;font-family:var(--ff-body);font-weight:500;font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-600)}

.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  font-weight:500;font-size:.94rem;padding:9px 14px;border-radius:10px;
  color:var(--ink);transition:background .2s,color .2s;position:relative;
}
.nav-links a:hover{background:var(--paper-2);color:var(--blue-700)}
.nav-links a.active{color:var(--blue-700)}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--yellow-400);border-radius:2px}

.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--blue-700);color:#fff;padding:11px 20px;border-radius:12px;font-weight:600;font-size:.9rem;transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);background:var(--blue-800)}

.nav-toggle{display:none;width:46px;height:46px;border-radius:12px;background:var(--paper-2);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;
}
.nav-toggle span::before{transform:translateY(-6px)}
.nav-toggle span::after{transform:translateY(6px)}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg)}

/* ===== Footer ===== */
.site-footer{background:var(--blue-900);color:#cdd7ff;padding-block:clamp(50px,7vw,80px) 30px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 400px at 85% -10%,rgba(255,212,0,.12),transparent 60%);pointer-events:none}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;position:relative}
.footer-grid h4{color:#fff;margin-bottom:16px;font-family:var(--ff-head);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand p{color:#9fb0e8;max-width:34ch;font-size:.95rem}
.footer-grid ul li{margin-bottom:10px}
.footer-grid ul a{color:#bdc9f5;font-size:.94rem;transition:color .2s}
.footer-grid ul a:hover{color:var(--yellow-300)}
.footer-contact a{color:#fff;font-weight:600}
.social-row{display:flex;gap:10px;margin-top:14px}
.social-row a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.08);display:grid;place-items:center;transition:.2s}
.social-row a:hover{background:var(--yellow-400);color:var(--ink);transform:translateY(-3px)}
.social-row svg{width:18px;height:18px}
.footer-bottom{margin-top:46px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:.85rem;color:#8d9fd8;position:relative}
.footer-bottom a{color:#bdc9f5}
.footer-bottom a:hover{color:var(--yellow-300)}

/* ===== Generic grids ===== */
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}

/* ===== Page hero (inner pages) ===== */
.page-hero{position:relative;color:#fff;padding-block:clamp(72px,11vw,150px) clamp(48px,7vw,90px);overflow:hidden;background:linear-gradient(135deg,var(--blue-900),var(--blue-700))}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 90% 0,rgba(255,212,0,.22),transparent 60%),repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 2px,transparent 2px 26px);pointer-events:none}
.page-hero .container{position:relative;z-index:2;max-width:880px}
.page-hero .eyebrow{color:var(--yellow-300)}
.page-hero .eyebrow::before{background:var(--yellow-400)}
.page-hero h1{color:#fff;margin:.35em 0 .4em}
.page-hero p{color:#cfd9ff;max-width:62ch;font-size:clamp(1.02rem,1.6vw,1.25rem)}
.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:.84rem;color:#a9b8ee;margin-bottom:8px}
.breadcrumbs a:hover{color:#fff}
.breadcrumbs span{opacity:.6}

@media(max-width:980px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--paper);padding:14px;gap:6px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);transform:translateY(-130%);transition:transform .32s ease;z-index:55;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 16px;font-size:1.02rem;border-radius:12px}
  .nav-links a:hover{background:var(--paper-2)}
  .nav-cta-wrap{display:none}
  .split{grid-template-columns:1fr}
}
@media(max-width:600px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}