/* ShopSphere - layout.css : navbar, hero, footer, grids */

header.nav{
  position:sticky;top:0;z-index:40;background:#fff;
  box-shadow:0 2px 18px rgba(15,18,38,.07);
  padding:14px 28px;display:flex;align-items:center;gap:20px;
}
.brand-row{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700;letter-spacing:.3px}
.logo-dot{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;
}
.nav-links{display:flex;gap:20px;margin-left:26px;font-size:14px}
.nav-links a{color:#4b5563;font-weight:500;padding:6px 2px;border-bottom:2px solid transparent;transition:.16s}
.nav-links a:hover{color:var(--brand);border-color:var(--brand)}
.nav-links a.active{color:var(--brand);border-color:var(--brand);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:16px}

.search{display:flex;align-items:center;gap:8px;background:#f2f3f9;border-radius:10px;padding:9px 13px;width:240px}
.search input{border:none;background:transparent;outline:none;font-size:14px;width:100%;color:var(--ink)}

.cart-btn{position:relative;font-size:21px;cursor:pointer;background:none;border:none}
.cart-count{position:absolute;top:-6px;right:-9px;background:var(--danger);color:#fff;font-size:11px;font-weight:700;border-radius:99px;padding:2px 6px}

.user-chip{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-size:14px}
.logout{background:none;border:1.4px solid var(--line);border-radius:9px;padding:7px 13px;font-size:13px;cursor:pointer;color:#4b5563}
.logout:hover{border-color:var(--danger);color:var(--danger)}

.hero{
  margin:24px 28px;border-radius:20px;padding:48px 44px;color:#fff;
  background:linear-gradient(120deg,#5b5bd6,#3f3fae 50%,#00c2a8);
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(255,255,255,.09);right:-120px;top:-140px}
.hero h1{margin-bottom:12px;max-width:520px}
.hero p{opacity:.92;font-size:15.5px;max-width:460px}
.hero-art{width:190px;position:relative;z-index:2;animation:float 6s ease-in-out infinite}

.page-head{
  background:linear-gradient(120deg,#5b5bd6,#3f3fae);color:#fff;
  padding:44px 28px;margin-bottom:8px;
}
.page-head h1{margin-bottom:8px}
.page-head p{opacity:.9}
.crumbs{font-size:13px;opacity:.85;margin-bottom:14px}
.crumbs a:hover{text-decoration:underline}

.section-head{display:flex;align-items:center;justify-content:space-between;margin:34px 28px 16px;gap:16px;flex-wrap:wrap}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:20px;margin:0 28px 44px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin:0 28px 44px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px;margin:0 28px 44px}

footer{background:var(--bg);color:#c9cbe0;padding:38px 28px;font-size:13.5px;line-height:1.9;margin-top:auto}
footer .fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:26px;max-width:1100px;margin:0 auto 24px}
footer h5{color:#fff;font-size:14.5px;margin-bottom:10px}
footer a:hover{color:#fff}
footer .fbottom{text-align:center;border-top:1px solid #262a4d;padding-top:18px}
footer b{color:#fff}

@media(max-width:840px){
  .nav-links,.search{display:none}
  .hero{padding:34px 26px}
  .hero h1{font-size:27px}
  .hero-art{width:120px}
}