:root{
  --bg:#0b0d12;
  --card:#111524;
  --muted:#98a2b3;
  --text:#eef2ff;
  --accent:#6ea8ff;
  --border:rgba(255,255,255,.10);
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
code{color:var(--accent)}
.container{max-width:1120px;margin:0 auto;padding:0 18px}

.header{position:sticky;top:0;z-index:20;background:rgba(11,13,18,.75);backdrop-filter: blur(10px);border-bottom:1px solid var(--border)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{font-weight:800;letter-spacing:.5px}
.nav{display:flex;gap:16px}
.nav a{color:var(--muted)}
.nav a:hover{color:var(--text)}
.cart-btn{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:999px;cursor:pointer}
.pill{background:rgba(110,168,255,.18);border:1px solid rgba(110,168,255,.35);padding:2px 8px;border-radius:999px;font-size:12px}

.hero{padding:48px 0 22px}
.hero__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
.badge{display:inline-block;background:rgba(110,168,255,.15);border:1px solid rgba(110,168,255,.35);padding:6px 10px;border-radius:999px;color:var(--text);font-size:12px}
h1{font-size:42px;line-height:1.05;margin:12px 0}
.lead{color:var(--muted);font-size:16px;max-width:62ch}
.hero__cta{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.trust{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.trust__item{background:rgba(255,255,255,.04);border:1px solid var(--border);padding:10px 12px;border-radius:12px;color:var(--muted);font-size:13px}

.hero__card{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.hero__mock{border-radius:14px;border:1px solid var(--border);overflow:hidden}
.mock__img{height:220px;background:radial-gradient( circle at 30% 20%, rgba(110,168,255,.30), transparent 55% ),
          radial-gradient( circle at 60% 70%, rgba(255,255,255,.10), transparent 55% ),
          rgba(255,255,255,.04);}
.mock__lines{padding:12px;display:grid;gap:8px}
.mock__lines span{display:block;height:10px;border-radius:999px;background:rgba(255,255,255,.06)}
.mock__lines span:nth-child(2){width:82%}
.mock__lines span:nth-child(3){width:62%}

.section{padding:44px 0}
.section--alt{background:rgba(255,255,255,.02);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap}
h2{margin:0 0 6px;font-size:26px}
.filters{display:flex;gap:10px;flex-wrap:wrap}

.input{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:12px;outline:none}
.input:focus{border-color:rgba(110,168,255,.55)}

select.input{
  appearance:none;
  padding-right:44px;
  cursor:pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(255,255,255,.65) 50%),
    linear-gradient(135deg, rgba(255,255,255,.65) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 12px) 50%;
  background-size:6px 6px, 6px 6px;
  background-repeat:no-repeat;
}
select.input option{background:#0b0d12;color:#eef2ff}

.grid{margin-top:18px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.product{display:flex;flex-direction:column;gap:10px;transform:translateY(0);transition:transform .2s ease, border-color .2s ease}
.product:hover{transform:translateY(-3px);border-color:rgba(110,168,255,.35)}
.product__img{height:160px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
.product__title{font-weight:700}
.product__title-link{display:inline-block}
.product__title-link:hover{color:var(--accent)}
.product__desc{color:var(--muted);font-size:13px;line-height:1.35;min-height:52px}
.product__bottom{display:flex;align-items:center;justify-content:space-between;gap:10px}
.product__actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.price{font-weight:800}
.muted{color:var(--muted)}
.small{font-size:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);border:1px solid rgba(110,168,255,.55);color:#06101f;padding:10px 12px;border-radius:12px;font-weight:750;cursor:pointer;transition:transform .15s ease, filter .15s ease}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn--ghost:hover{border-color:rgba(110,168,255,.35)}
.icon-btn{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:12px;padding:8px 10px;cursor:pointer}

.footer{padding:18px 0;border-top:1px solid var(--border)}
.footer__inner{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--muted)}
.footer__links{display:flex;gap:12px}
.footer__links a:hover{color:var(--text)}

.drawer{position:fixed;inset:0;display:none;z-index:50}
.drawer.is-open{display:block}
.drawer__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.drawer__panel{position:absolute;top:0;right:0;height:100%;width:min(440px, 92vw);background:var(--bg);border-left:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--border)}
.drawer__body{padding:14px;display:flex;flex-direction:column;gap:12px;overflow:auto}
.cart-items{display:grid;gap:10px}
.cart-item{display:grid;grid-template-columns:56px 1fr auto;gap:10px;align-items:center;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:14px;padding:10px}
.cart-thumb{height:56px;width:56px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px}
.cart-meta{display:grid;gap:4px}
.cart-meta .name{font-weight:700}
.cart-meta .line{color:var(--muted);font-size:12px}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:30px;height:30px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);cursor:pointer}
.qty button:hover{border-color:rgba(110,168,255,.35)}
.cart-summary{border:1px solid var(--border);border-radius:14px;padding:12px;background:rgba(255,255,255,.03)}
.row{display:flex;justify-content:space-between;gap:10px;margin:6px 0}
.total{padding-top:8px;border-top:1px dashed var(--border)}
.cart-actions{display:flex;gap:10px}
.cart-actions .btn{flex:1}

@media (max-width: 900px){
  .hero__grid{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 560px){
  .grid{grid-template-columns:1fr}
  h1{font-size:34px}
}

/* ===== FAQ boxed cards ===== */
.faq{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  margin-top: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  transition: border-color .2s ease, transform .2s ease, background-color .2s ease;
}

.faq:hover{
  transform: translateY(-1px);
  border-color: rgba(110,168,255,.35);
  background: rgba(255,255,255,.05);
}

/* remove default marker & make summary look like a button row */
.faq summary{
  list-style: none;
  cursor: pointer;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 2px 0;
}

.faq summary::-webkit-details-marker{
  display: none;
}

/* Chevron */
.faq summary::after{
  content: "▾";
  color: rgba(255,255,255,.70);
  font-size: 14px;
  transition: transform .18s ease, color .18s ease;
}

.faq[open] summary::after{
  transform: rotate(180deg);
  color: rgba(110,168,255,.90);
}

.faq p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
  padding-top: 10px;
  border-top: 1px dashed rgba(255,255,255,.12);
}

/* ===== Product detail page ===== */
.product-page{padding:26px 0 44px}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:14px;margin-bottom:14px;flex-wrap:wrap}
.crumbs a:hover{color:var(--text)}
.product-detail{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:16px;
  align-items:start;
}
.panel{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:0 12px 34px rgba(0,0,0,.22);
}
.product-visual{
  min-height:320px;
  border-radius:14px;
  border:1px solid var(--border);
  background:
    radial-gradient(circle at 20% 15%, rgba(110,168,255,.20), transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,.08), transparent 45%),
    rgba(255,255,255,.04);
  display:grid;
  place-items:center;
  color:var(--muted);
  font-size:14px;
}
.product-detail__head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap}
.product-detail__title{font-size:30px;line-height:1.08;margin:0}
.price-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0 4px}
.price-row .price{font-size:28px}
.price-old{text-decoration:line-through;color:var(--muted)}
.product-detail__short{color:var(--muted);line-height:1.55;margin:8px 0 0}
.meta-list{display:grid;gap:8px;margin:14px 0 0;padding:0;list-style:none}
.meta-list li{
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.06);
  border-radius:12px;
  padding:10px 12px;
}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.status-note{
  margin-top:10px;
  color:var(--muted);
  font-size:13px;
  min-height:18px;
}
.section-grid{
  margin-top:16px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:16px;
}
.content-block h2,
.reviews-block h2{
  margin:0 0 12px;
  font-size:22px;
}
.content-block p{
  color:var(--muted);
  line-height:1.7;
  margin:0 0 12px;
}
.content-block ul{
  margin:0;
  padding-left:18px;
  color:var(--text);
}
.content-block li{
  margin:8px 0;
  color:var(--muted);
}
.spec-grid{
  margin-top:12px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.spec{
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  border-radius:12px;
  padding:10px 12px;
}
.spec .label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.spec .value{font-weight:700}

.review-summary{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  margin-bottom:12px;
  padding:12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
}
.review-score{font-size:24px;font-weight:800}
.stars{letter-spacing:2px;color:#f8c45b}
.review-count{color:var(--muted);font-size:13px}
.review-form{
  display:grid;
  gap:10px;
  margin:12px 0 14px;
  padding:12px;
  border:1px solid var(--border);
  border-radius:12px;
  background:rgba(255,255,255,.02);
}
.review-form__row{display:grid;grid-template-columns:1fr 140px;gap:10px}
.review-form textarea{resize:vertical;min-height:110px}
.review-list{display:grid;gap:10px}
.review-card{
  border:1px solid var(--border);
  background:rgba(255,255,255,.02);
  border-radius:12px;
  padding:12px;
}
.review-card__head{
  display:flex;
  justify-content:space-between;
  gap:8px;
  align-items:flex-start;
  margin-bottom:8px;
}
.review-card__name{font-weight:700}
.review-card__meta{color:var(--muted);font-size:12px}
.review-card__text{color:var(--muted);line-height:1.55;white-space:pre-wrap}
.empty-state{
  border:1px dashed rgba(255,255,255,.14);
  border-radius:12px;
  padding:12px;
  color:var(--muted);
  background:rgba(255,255,255,.02);
}
.notice{
  border:1px dashed rgba(110,168,255,.35);
  background:rgba(110,168,255,.08);
  color:var(--muted);
  border-radius:12px;
  padding:10px 12px;
  font-size:13px;
}

@media (max-width: 900px){
  .product-detail{grid-template-columns:1fr}
  .section-grid{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .product-detail__title{font-size:26px}
  .review-form__row{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
}