:root{
  --bg:#071a22;
  --panel:#0b2b3a;
  --panel2:#0f3d52;
  --text:#e9f3f7;
  --muted:#9cc0cf;
  --line:rgba(255,255,255,.10);
  --brand:#33d1a0;
  --brand2:#ffd166;
  --danger:#ff4d6d;
  --shadow:0 18px 60px rgba(0,0,0,.35);
  --radius:18px;
  --radius2:12px;
  --font: "Manrope", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:radial-gradient(1200px 500px at 30% 0%, rgba(51,209,160,.18), transparent 60%),
             radial-gradient(900px 400px at 90% 40%, rgba(255,209,102,.10), transparent 55%),
             var(--bg);
  color:var(--text);
  font-family:var(--font);
}

a{color:inherit; text-decoration:none}
code{background:rgba(0,0,0,.35); padding:2px 6px; border-radius:8px}

.container{max-width:1100px; margin:0 auto; padding:0 16px}

.topbar{
  position:sticky; top:0; z-index:20;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(7,26,34,.92), rgba(7,26,34,.70));
  border-bottom:1px solid var(--line);
}
.topbar__inner{display:flex; align-items:center; justify-content:space-between; min-height:64px; gap:16px}

.brand{display:flex; align-items:center; gap:10px}
.brand__mark{
  width:34px; height:34px; border-radius:12px;
  display:grid; place-items:center;
  background:linear-gradient(135deg, var(--brand), #1bb2ff);
  color:#05222e; font-weight:800;
}
.brand__name{font-weight:800; letter-spacing:.4px}

.nav{display:flex; gap:14px; align-items:center}
.nav__link{
  padding:10px 12px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  background:rgba(255,255,255,.04);
}
.badge{
  margin-left:6px;
  padding:2px 8px;
  border-radius:999px;
  background:rgba(51,209,160,.18);
  border:1px solid rgba(51,209,160,.35);
  color:var(--text);
  font-weight:700;
  font-size:12px;
}

.main{padding-bottom:92px}
.section{padding:28px 0}
.section__head{display:flex; align-items:flex-end; justify-content:space-between; gap:14px; margin-bottom:16px; flex-wrap:wrap}
.h1{font-size:40px; line-height:1.05; margin:0}
.h2{font-size:26px; margin:0}
.lead{color:var(--muted); margin:10px 0 0; max-width:64ch}
.link{color:var(--brand); font-weight:700}

.hero{padding:28px 0 10px}
.hero__inner{display:grid; grid-template-columns: 1.5fr .8fr; gap:18px}
.hero__copy{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(11,43,58,.92), rgba(11,43,58,.55));
  padding:22px;
  box-shadow:var(--shadow);
}
.hero__actions{display:flex; gap:10px; margin-top:16px; flex-wrap:wrap}
.hero__card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(15,61,82,.88), rgba(15,61,82,.45));
  padding:18px;
  box-shadow:var(--shadow);
  display:flex; flex-direction:column; gap:12px;
}
.kpi{display:flex; justify-content:space-between; align-items:baseline}
.kpi__label{color:var(--muted)}
.kpi__value{font-weight:900; font-size:22px}
.hint{
  color:rgba(233,243,247,.88);
  font-size:13px;
  line-height:1.35;
  padding-top:10px;
  border-top:1px dashed rgba(255,255,255,.16);
}

.grid{display:grid; grid-template-columns: repeat(4, 1fr); gap:14px}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(255,255,255,.03);
  box-shadow: 0 10px 36px rgba(0,0,0,.22);
  display:flex; flex-direction:column;
}
.card__media{display:block; aspect-ratio: 4/3; background:rgba(0,0,0,.25)}
.card__media img{width:100%; height:100%; object-fit:cover; display:block}
.card__placeholder{width:100%; height:100%; display:grid; place-items:center; color:rgba(255,255,255,.40)}
.card__body{padding:12px 12px 14px; display:flex; flex-direction:column; gap:8px; flex:1}
.card__title{font-weight:800}
.card__title a:hover{color:var(--brand)}
.card__desc{color:var(--muted); font-size:13px}
.card__meta{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-top:auto}
.price{font-weight:900}
.price--big{font-size:28px}
.pill{
  font-size:12px;
  color:rgba(233,243,247,.88);
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
}
.pill--ok{border-color:rgba(51,209,160,.35); background:rgba(51,209,160,.12)}

.btn{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:var(--text);
  padding:10px 14px;
  border-radius:14px;
  font-weight:800;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn:hover{transform: translateY(-1px)}
.btn--primary{
  border-color: rgba(51,209,160,.55);
  background:linear-gradient(135deg, rgba(51,209,160,.25), rgba(27,178,255,.18));
}
.btn--ghost{background:transparent}
.btn--small{padding:8px 10px; border-radius:12px; font-size:13px}
.btn--full{width:100%}

.chips{display:flex; gap:8px; flex-wrap:wrap}
.chip{
  padding:8px 10px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  font-weight:800;
  font-size:13px;
}
.chip--active{border-color: rgba(255,209,102,.45); background:rgba(255,209,102,.12)}

.crumbs{color:var(--muted); font-size:13px; margin-bottom:10px}
.crumbs a{color:rgba(233,243,247,.88)}
.crumbs__sep{margin:0 6px; opacity:.6}
.crumbs__current{color:var(--text)}

.product{display:grid; grid-template-columns: 1.05fr .95fr; gap:16px}
.product__media{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(0,0,0,.25);
  box-shadow:var(--shadow);
}
.product__img{width:100%; height:auto; display:block}
.product__placeholder{height:420px; display:grid; place-items:center; color:rgba(255,255,255,.40)}
.product__info{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  padding:16px;
  box-shadow:var(--shadow);
}
.product__meta{display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin:10px 0 14px}
.buy{display:flex; gap:10px; align-items:flex-end; flex-wrap:wrap}
.field{display:flex; flex-direction:column; gap:6px; min-width:160px}
.field__label{font-weight:800; font-size:13px; color:rgba(233,243,247,.90)}
.field__input, .field input, .field select, .field textarea{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.20);
  color:var(--text);
  padding:10px 12px;
  font-family:inherit;
}
.panel{
  margin-top:14px;
  border-top:1px solid rgba(255,255,255,.10);
  padding-top:14px;
}
.panel__title{font-weight:900; margin-bottom:6px}
.panel__body{color:rgba(233,243,247,.92); line-height:1.5}

.gallery{display:grid; grid-template-columns: repeat(2, 1fr); gap:6px; padding:8px}
.gallery__img{width:100%; height:220px; object-fit:cover; border-radius:12px}

.cart{display:grid; grid-template-columns: 1.2fr .8fr; gap:16px}
.line{
  display:grid;
  grid-template-columns: 90px 1fr auto;
  gap:12px;
  padding:12px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  margin-bottom:10px;
}
.line__media{width:90px; height:72px; overflow:hidden; border-radius:14px; background:rgba(0,0,0,.25)}
.line__media img{width:100%; height:100%; object-fit:cover; display:block}
.line__placeholder{width:100%; height:100%; display:grid; place-items:center; color:rgba(255,255,255,.40)}
.line__title{font-weight:900}
.line__meta{color:var(--muted); font-size:13px; margin-top:4px}
.line__actions{display:flex; gap:10px; align-items:center; margin-top:10px; flex-wrap:wrap}
.line__qty{display:flex; gap:8px; align-items:center}
.line__qty input{width:90px}
.line__total{font-weight:900; align-self:center}

.summary{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(11,43,58,.85), rgba(11,43,58,.40));
  padding:14px;
  box-shadow:var(--shadow);
}
.summary__title{font-weight:900; margin-bottom:10px}
.summary__row{display:flex; justify-content:space-between; padding:8px 0; border-top:1px solid rgba(255,255,255,.10)}
.summary__row:first-child{border-top:none}
.summary__row--total{font-size:18px}
.summary__item{display:flex; justify-content:space-between; gap:12px; padding:6px 0}

.checkout{display:grid; grid-template-columns: 1.2fr .8fr; gap:16px}
.form__grid{display:grid; grid-template-columns: repeat(2, 1fr); gap:12px}
.field--full{grid-column: 1 / -1}
.field__err{color:var(--danger); font-size:12px}

.success{max-width:680px; margin:0 auto; text-align:center}
.success__icon{
  width:62px; height:62px; margin:0 auto 10px;
  border-radius:18px;
  display:grid; place-items:center;
  background:linear-gradient(135deg, rgba(51,209,160,.25), rgba(27,178,255,.18));
  border:1px solid rgba(51,209,160,.45);
  font-size:28px;
  box-shadow:var(--shadow);
}

.empty{
  border:1px dashed rgba(255,255,255,.20);
  border-radius:var(--radius);
  padding:18px;
  color:rgba(233,243,247,.92);
  background:rgba(255,255,255,.02);
}

.muted{color:var(--muted)}

.footer{
  border-top:1px solid var(--line);
  background:rgba(0,0,0,.18);
}
.footer__inner{padding:16px 0}
.footer__line{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap}

.mobilebar{
  position:fixed; bottom:10px; left:0; right:0;
  display:none;
  z-index:30;
}
.mobilebar__item{
  position:relative;
  flex:1;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(7,26,34,.82);
  backdrop-filter: blur(10px);
  padding:10px 10px;
  border-radius:16px;
  display:flex;
  flex-direction:column;
  gap:2px;
  align-items:center;
  justify-content:center;
  font-weight:900;
}
.mobilebar__icon{font-size:16px}
.mobilebar__text{font-size:12px; color:rgba(233,243,247,.90)}
.mobilebar__badge{
  position:absolute; top:6px; right:10px;
  min-width:20px;
  padding:2px 6px;
  border-radius:999px;
  background:rgba(255,209,102,.16);
  border:1px solid rgba(255,209,102,.45);
  font-size:12px;
}

@media (max-width: 980px){
  .grid{grid-template-columns: repeat(3, 1fr)}
  .hero__inner{grid-template-columns: 1fr}
}
@media (max-width: 720px){
  .grid{grid-template-columns: repeat(2, 1fr)}
  .product{grid-template-columns: 1fr}
  .cart{grid-template-columns: 1fr}
  .checkout{grid-template-columns: 1fr}
  .form__grid{grid-template-columns: 1fr}
  .nav{display:none}
  .mobilebar{display:flex; gap:10px; padding:0 16px}
  .main{padding-bottom:118px}
  .h1{font-size:34px}
}