/* ===========================================================
   Huapeng Magnetics — Tech-style storefront
   Palette: deep-space navy + cyan glow + electric blue
   =========================================================== */

:root{
  --bg:        #070b14;
  --bg-2:      #0b1220;
  --panel:     rgba(17, 27, 46, 0.72);
  --panel-br:  rgba(56, 189, 248, 0.22);
  --ink:       #e8f1ff;
  --ink-soft:  #9fb3d1;
  --cyan:      #22d3ee;
  --blue:      #3b82f6;
  --blue-2:    #2563eb;
  --glow:      0 0 24px rgba(34, 211, 238, 0.35);
  --radius:    16px;
  --maxw:      1200px;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html{ scroll-behavior:smooth; }

body{
  font-family:"Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(59,130,246,0.18), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(34,211,238,0.12), transparent 55%),
    var(--bg);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }

.container{ width:min(100% - 40px, var(--maxw)); margin-inline:auto; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 22px; border-radius:999px; font-weight:600; cursor:pointer;
  border:1px solid transparent; font-size:15px; transition:.25s ease; white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(135deg, var(--cyan), var(--blue));
  color:#03121f; box-shadow:var(--glow);
}
.btn--primary:hover{ transform:translateY(-2px); box-shadow:0 0 34px rgba(34,211,238,0.55); }
.btn--ghost{
  background:rgba(255,255,255,0.04); color:var(--ink);
  border-color:var(--panel-br); backdrop-filter:blur(6px);
}
.btn--ghost:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn--mini{
  padding:8px 14px; font-size:13px; border-radius:10px;
  background:linear-gradient(135deg, var(--cyan), var(--blue)); color:#03121f; font-weight:700;
}
.btn--mini:hover{ transform:translateY(-1px); box-shadow:var(--glow); }
.btn--mini-ghost{ background:transparent; border:1px solid var(--panel-br); color:var(--cyan); }
.btn--mini-ghost:hover{ border-color:var(--cyan); }

/* ---------- Top bar ---------- */
.topbar{ background:rgba(7,11,20,0.85); border-bottom:1px solid rgba(255,255,255,0.06); font-size:13px; color:var(--ink-soft); }
.topbar__inner{ display:flex; justify-content:space-between; padding:8px 0; }
.topbar__links a{ margin-left:18px; transition:.2s; }
.topbar__links a:hover{ color:var(--cyan); }

/* ---------- Header ---------- */
.header{
  position:sticky; top:0; z-index:50;
  background:rgba(7,11,20,0.78); backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(56,189,248,0.14);
}
.header__inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 0; gap:20px; }

.brand{ display:flex; align-items:center; gap:10px; }
.brand__mark{ filter:drop-shadow(0 0 8px rgba(34,211,238,0.5)); display:flex; }
.brand__text{ font-weight:800; letter-spacing:1px; font-size:18px; }
.brand__text span{ color:var(--cyan); margin-left:6px; font-weight:600; }

.nav{ display:flex; gap:26px; font-weight:500; }
.nav a{ color:var(--ink-soft); position:relative; padding:4px 0; transition:.2s; }
.nav a:hover{ color:var(--ink); }
.nav a::after{ content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px; background:linear-gradient(90deg,var(--cyan),var(--blue)); transition:.25s; }
.nav a:hover::after{ width:100%; }

.header__actions{ display:flex; align-items:center; gap:12px; }
.cart{
  position:relative; background:rgba(255,255,255,0.05); border:1px solid var(--panel-br);
  color:var(--ink); border-radius:999px; padding:9px 14px; cursor:pointer; font-size:15px; transition:.2s;
}
.cart:hover{ border-color:var(--cyan); color:var(--cyan); }
.cart__count{
  position:absolute; top:-6px; right:-6px; background:var(--cyan); color:#03121f;
  font-size:11px; font-weight:800; min-width:18px; height:18px; border-radius:9px;
  display:grid; place-items:center; padding:0 4px;
}
.nav-toggle{ display:none; background:none; border:none; color:var(--ink); font-size:24px; cursor:pointer; }

/* ---------- Hero ---------- */
.hero{ position:relative; height:clamp(440px, 70vh, 620px); overflow:hidden; }
.hero__track{ height:100%; }
.slide{
  position:absolute; inset:0; opacity:0; visibility:hidden; transition:opacity .7s ease;
  background-image:var(--img); background-size:cover; background-position:center; display:flex; align-items:center;
}
.slide.is-active{ opacity:1; visibility:visible; }
.slide__overlay{
  position:absolute; inset:0;
  background:linear-gradient(90deg, rgba(7,11,20,0.94) 0%, rgba(7,11,20,0.7) 45%, rgba(7,11,20,0.25) 100%);
}
.slide__content{ position:relative; z-index:2; max-width:620px; }
.eyebrow{
  display:inline-block; font-size:13px; letter-spacing:2px; text-transform:uppercase;
  color:var(--cyan); font-weight:700; margin-bottom:14px;
  padding:5px 12px; border:1px solid var(--panel-br); border-radius:999px; background:rgba(34,211,238,0.08);
}
.slide h1{ font-size:clamp(30px, 5vw, 52px); line-height:1.1; font-weight:800; margin-bottom:16px;
  background:linear-gradient(180deg,#fff, #b9d4ff); -webkit-background-clip:text; background-clip:text; color:transparent; }
.slide p{ color:var(--ink-soft); font-size:17px; margin-bottom:26px; max-width:520px; }
.slide__cta{ display:flex; gap:14px; flex-wrap:wrap; }

.hero__arrow{
  position:absolute; top:50%; transform:translateY(-50%); z-index:5;
  width:48px; height:48px; border-radius:50%; cursor:pointer;
  background:rgba(11,18,32,0.6); border:1px solid var(--panel-br); color:var(--ink);
  font-size:26px; line-height:1; display:grid; place-items:center; backdrop-filter:blur(6px); transition:.2s;
}
.hero__arrow:hover{ border-color:var(--cyan); color:var(--cyan); box-shadow:var(--glow); }
.hero__arrow--prev{ left:18px; }
.hero__arrow--next{ right:18px; }
.hero__dots{ position:absolute; bottom:18px; left:50%; transform:translateX(-50%); z-index:5; display:flex; gap:10px; }
.hero__dots button{ width:10px; height:10px; border-radius:50%; border:none; cursor:pointer; background:rgba(255,255,255,0.3); transition:.2s; }
.hero__dots button.is-active{ background:var(--cyan); width:26px; border-radius:6px; box-shadow:var(--glow); }

/* ---------- Sections ---------- */
.section{ padding:78px 0; }
.section--alt{ background:linear-gradient(180deg, rgba(11,18,32,0.5), rgba(7,11,20,0)); }
.section__head{ text-align:center; max-width:640px; margin:0 auto 48px; }
.section__head h2{ font-size:clamp(26px, 4vw, 38px); font-weight:800; margin:6px 0 10px; }
.section__head p{ color:var(--ink-soft); }

/* ---------- Category grid ---------- */
.cat-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(200px,1fr)); gap:20px; }
.cat-card{
  background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius);
  overflow:hidden; transition:.3s; backdrop-filter:blur(8px);
  display:flex; flex-direction:column;
}
.cat-card:hover{ transform:translateY(-6px); border-color:var(--cyan); box-shadow:0 14px 40px rgba(34,211,238,0.18); }
.cat-card__img{ height:172px; margin:14px 14px 0; border-radius:14px; background-size:contain; background-repeat:no-repeat; background-position:center; background-color:#eef2f7; flex-shrink:0; }
.cat-card__body{ padding:16px 18px 20px; flex:1; display:flex; flex-direction:column; }
.cat-card__body h3{ font-size:18px; margin-bottom:4px; }
.cat-card__body p{ color:var(--ink-soft); font-size:14px; }
.cat-card__more{ display:inline-block; margin-top:auto; padding-top:10px; color:var(--cyan); font-weight:600; font-size:14px; }
.cat-card--custom{ display:flex; flex-direction:column; align-items:center; text-align:center; justify-content:center; padding:24px; }
.cat-card--custom .cat-card__body{ flex:0 0 auto; display:block; text-align:center; }
.cat-card--custom .cat-card__more{ margin-top:10px; padding-top:0; }
.cat-card__icon{ margin-bottom:12px; }

/* ---------- Product grid ---------- */
.product-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(230px,1fr)); gap:22px; }
.product{
  background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius);
  overflow:hidden; transition:.3s; backdrop-filter:blur(8px); position:relative;
  display:flex; flex-direction:column;
}
.product:hover{ transform:translateY(-6px); border-color:var(--cyan); box-shadow:0 14px 40px rgba(34,211,238,0.16); }
.product__img{ height:196px; background-size:contain; background-repeat:no-repeat; background-position:center; background-color:#eef2f7; position:relative; flex-shrink:0; }
.product__img--custom{ display:grid; place-items:center; background:radial-gradient(circle at 50% 40%, rgba(34,211,238,0.16), transparent 70%); }
.product__badge{
  position:absolute; top:12px; left:12px; background:var(--cyan); color:#03121f;
  font-size:12px; font-weight:800; padding:4px 10px; border-radius:999px;
}
.product__badge--new{ background:var(--blue); color:#fff; }
.product__body{ padding:16px 18px 18px; flex:1; display:flex; flex-direction:column; }
.product__body h3{ font-size:17px; margin-bottom:4px; }
.product__spec{ color:var(--ink-soft); font-size:13px; margin-bottom:14px; }
.product__foot{ display:flex; align-items:center; justify-content:space-between; margin-top:auto; }
.price{ font-size:20px; font-weight:800; color:var(--cyan); }
.price span{ font-size:12px; color:var(--ink-soft); font-weight:500; }
.price--quote{ font-size:16px; }
.price-from{ font-size:12px; color:var(--ink-soft); font-weight:500; }
.price-unit{ font-size:12px; color:var(--ink-soft); font-weight:500; margin-left:1px; }

/* ---------- Filters ---------- */
.filters{ display:flex; flex-wrap:wrap; gap:18px 28px; margin-bottom:28px; }
.filter-group{ display:flex; align-items:center; gap:12px; }
.filter-group__label{ font-size:13px; color:var(--ink-soft); font-weight:600; white-space:nowrap; }
.filter-group__btns{ display:flex; flex-wrap:wrap; gap:8px; }
.filter-group__btns button{
  background:rgba(255,255,255,0.05); border:1px solid var(--panel-br); color:var(--ink-soft);
  padding:7px 14px; border-radius:999px; font-size:13px; font-weight:500; cursor:pointer; transition:.2s;
}
.filter-group__btns button:hover{ border-color:var(--cyan); color:var(--cyan); }
.filter-group__btns button.is-active{ background:var(--cyan); color:#03121f; border-color:var(--cyan); font-weight:700; }

/* ---------- Promotions ---------- */
.promo-banner{
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  background:linear-gradient(120deg, rgba(59,130,246,0.22), rgba(34,211,238,0.14));
  border:1px solid var(--panel-br); border-radius:var(--radius); padding:28px 32px; margin-bottom:28px;
}
.promo-banner__tag{ font-size:12px; letter-spacing:2px; font-weight:800; color:var(--cyan); }
.promo-banner h3{ font-size:24px; margin:6px 0 4px; }
.promo-banner p{ color:var(--ink-soft); }

.promo-grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(250px,1fr)); gap:22px; }
.promo-card{
  background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius);
  padding:26px; text-align:center; transition:.3s; backdrop-filter:blur(8px);
}
.promo-card:hover{ transform:translateY(-5px); border-color:var(--cyan); box-shadow:0 12px 34px rgba(34,211,238,0.16); }
.promo-card__icon{ font-size:34px; margin-bottom:12px; }
.promo-card h3{ font-size:18px; margin-bottom:8px; }
.promo-card p{ color:var(--ink-soft); font-size:14px; margin-bottom:14px; }
.promo-card code, .promo-card__code{
  display:inline-block; font-family:"Courier New", monospace; font-weight:700; letter-spacing:1px;
  color:var(--cyan); background:rgba(34,211,238,0.1); border:1px dashed var(--panel-br);
  padding:6px 14px; border-radius:8px; font-size:14px;
}
.promo-card__code{ margin-top:auto; }

/* ---------- Compliance ---------- */
.compliance{ padding:26px 0 8px; }
.compliance__inner{
  display:flex; align-items:flex-start; gap:14px; max-width:900px;
  background:rgba(255,196,0,0.06); border:1px solid rgba(255,196,0,0.25);
  border-radius:var(--radius); padding:18px 22px; color:var(--ink-soft); font-size:14px;
}
.compliance__icon{ font-size:20px; }

/* ---------- Footer ---------- */
.footer{ background:var(--bg-2); border-top:1px solid rgba(56,189,248,0.14); margin-top:40px; padding-top:48px; }
.footer__grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:30px; padding-bottom:36px; }
.footer__brand p{ color:var(--ink-soft); font-size:14px; margin-top:12px; max-width:280px; }
.footer__col h4{ font-size:15px; margin-bottom:14px; color:var(--ink); }
.footer__col a{ display:block; color:var(--ink-soft); font-size:14px; margin-bottom:9px; transition:.2s; }
.footer__col a:hover{ color:var(--cyan); }
.footer__bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  border-top:1px solid rgba(255,255,255,0.07); padding:18px 0; color:var(--ink-soft); font-size:13px;
}

/* ---------- Toast ---------- */
.toast{
  position:fixed; left:50%; top:84px; transform:translateX(-50%) translateY(-20px);
  background:rgba(11,18,32,0.95); border:1px solid var(--cyan); color:var(--ink);
  padding:12px 22px; border-radius:999px; font-size:14px; font-weight:600;
  box-shadow:var(--glow); opacity:0; pointer-events:none; transition:.3s; z-index:200;
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

/* ---------- Config Modal ---------- */
.modal{
  position:fixed; inset:0; z-index:300; display:flex; align-items:center; justify-content:center;
  padding:20px; opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.modal[hidden]{ display:none; }
.modal:not([hidden]){ opacity:1; pointer-events:auto; }
.modal__overlay{
  position:absolute; inset:0; background:rgba(0,0,0,0.72); backdrop-filter:blur(4px);
}
.modal__panel{
  position:relative; width:100%; max-width:620px; max-height:90vh; overflow:auto;
  background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius);
  box-shadow:0 24px 70px rgba(0,0,0,0.45);
}
.modal__close{
  position:absolute; top:12px; right:12px; z-index:2;
  background:rgba(15,23,42,0.7); border:1px solid rgba(255,255,255,0.25); color:#fff;
  width:36px; height:36px; border-radius:50%; font-size:22px; font-weight:700; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 2px 8px rgba(0,0,0,0.35);
  transition:.2s;
}
.modal__close:hover{ background:var(--cyan); color:#03121f; border-color:var(--cyan); }

.config-modal{ display:flex; flex-direction:column; }
.config-modal__media{ height:180px; background-size:contain; background-repeat:no-repeat; background-position:center; background-color:#eef2f7; position:relative; }
.config-modal__media img{ width:100%; height:100%; object-fit:contain; }
.config-modal__img{ width:100%; height:100%; background-size:contain; background-repeat:no-repeat; background-position:center; background-color:#eef2f7; }
.config-modal__img--custom{ display:grid; place-items:center; background:radial-gradient(circle at 50% 40%, rgba(34,211,238,0.16), transparent 70%); }
.config-modal__content{ padding:22px 26px 26px; }
.config-modal__title{ font-size:22px; margin-bottom:4px; }
.config-modal__subtitle{ color:var(--ink-soft); font-size:14px; margin-bottom:18px; }
.config-modal__form{ display:flex; flex-direction:column; gap:14px; }
.config-modal__row{ display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:14px; align-items:end; }
.config-modal__row--grade{ grid-template-columns:minmax(140px, 1fr); }
.config-modal__row--bottom{ grid-template-columns:repeat(2, minmax(140px, 1fr)); }
.config-modal__row--dims{ grid-template-columns:1fr; }
.config-modal__field{ min-width:120px; }
.config-modal__field label{ display:block; font-size:12px; color:var(--ink-soft); margin-bottom:6px; font-weight:600; }
.config-modal__field input,
.config-modal__field select,
.config-modal__field textarea{
  width:100%; background:rgba(255,255,255,0.05); border:1px solid var(--panel-br); color:var(--ink);
  padding:10px 12px; border-radius:10px; font-size:14px;
}
.config-modal__field input:focus,
.config-modal__field select:focus,
.config-modal__field textarea:focus{ outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(34,211,238,0.12); }
/* Native <option> elements inherit the select's color, which is light on this
   dark-themed site — unreadable on the browser's default white popup.
   Force dark text on white background for every select's dropdown options. */
select option{ color:#0b1020; background:#ffffff; }
select option:checked{ background:#d1f4ff linear-gradient(0deg,#d1f4ff,#d1f4ff); color:#0b1020; }
.config-modal__dims{ display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:14px; width:100%; }
.config-modal__price{
  font-size:15px; color:var(--cyan); font-weight:700; padding:4px 0;
}
.config-modal__actions{ display:flex; gap:12px; margin-top:6px; }
.config-modal__row--drawing{ grid-template-columns:1fr; }
.config-modal__field--full{ grid-column:1 / -1; }
.drawing-field{ margin-top:8px; }
.drawing-input{
  width:100%; padding:10px 12px; background:rgba(255,255,255,0.05); border:1px solid var(--panel-br);
  color:var(--ink); border-radius:10px; font-size:14px; cursor:pointer;
}
/* Hard-hide the browser-localized native file button (e.g. "Choose File" / "Choose
   File") and replace it with an English trigger rendered via the <label>. */
.drawing-input{ position:absolute !important; opacity:0 !important; width:0.01px !important; height:0.01px !important; overflow:hidden !important; pointer-events:none !important; }
.drawing-input:hover{ border-color:var(--cyan); }
.drawing-file-trigger{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 14px; border:1px dashed var(--panel-br); border-radius:10px;
  background:rgba(255,255,255,0.03); color:var(--ink-soft);
  cursor:pointer; font-size:14px;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.drawing-file-trigger:hover{ border-color:var(--cyan); color:var(--ink); background:rgba(255,255,255,0.06); }
.drawing-file-trigger__icon{ color:var(--cyan); }
.drawing-file-trigger__text{ font-weight:600; }
.drawing-file-trigger__filename{ color:var(--cyan); font-weight:600; }
.drawing-file-trigger__filename:empty{ display:none; }
.drawing-file-trigger__hint{ font-size:12px; color:var(--ink-soft); }
.drawing-hint{
  display:block; font-size:12px; color:var(--ink-soft); margin-top:6px;
}
.drawing-preview{ margin-top:8px; }
.drawing-preview__item{ position:relative; display:inline-block; }
.drawing-preview__item img{ max-width:120px; max-height:120px; border-radius:8px; border:1px solid var(--panel-br); display:block; }
.drawing-preview__remove{
  position:absolute; top:4px; right:4px; width:22px; height:22px; padding:0;
  border:none; border-radius:50%; background:rgba(0,0,0,0.7); color:#fff;
  font-size:16px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:background 0.15s ease;
}
.drawing-preview__remove:hover,
.drawing-preview__remove:focus{ background:#c0392b; outline:none; }

/* Per-product drawing upload slots (one per cart item) */
.cart-drawings{ display:flex; flex-direction:column; gap:10px; }
.cart-drawing-slot{
  border:1px solid var(--panel-br);
  border-radius:10px;
  padding:10px 12px;
  background:rgba(255,255,255,0.02);
}
.cart-drawing-slot__header{
  display:flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; color:var(--ink);
  margin-bottom:6px;
}
.cart-drawing-slot__num{
  display:inline-flex; align-items:center; justify-content:center;
  width:22px; height:22px; border-radius:50%;
  background:var(--cyan,#22d3ee); color:#0b1020;
  font-size:12px; font-weight:700;
}
.cart-drawing-slot__label{
  flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
  color:var(--ink);
}

/* ---------- Reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px){
  .nav{ display:none; }
  .nav-toggle{ display:block; }
  .nav.open{
    display:flex; flex-direction:column; gap:0; position:absolute; top:100%; left:0; right:0;
    background:rgba(7,11,20,0.97); padding:14px 20px; border-bottom:1px solid var(--panel-br);
  }
  .nav.open a{ padding:12px 0; border-bottom:1px solid rgba(255,255,255,0.06); }
  .footer__grid{ grid-template-columns:1fr 1fr; }
  .filters{ flex-direction:column; gap:14px; }
  .filter-group{ flex-direction:column; align-items:flex-start; gap:8px; }
  .config-modal__content{ padding:18px; }
  .config-modal__row,
  .config-modal__row--grade,
  .config-modal__row--bottom,
  .config-modal__row--dims,
  .config-modal__dims{ grid-template-columns:1fr; }
}
/* ---------- Overlay ---------- */
.overlay{
  position:fixed; inset:0; background:rgba(3,7,15,0.62); backdrop-filter:blur(2px);
  z-index:90; opacity:0; transition:.3s;
}
.overlay.show{ opacity:1; }

/* ---------- Cart drawer ---------- */
.cart-drawer{
  position:fixed; top:0; right:0; height:100%; width:min(380px, 92vw); z-index:100;
  background:var(--bg-2); border-left:1px solid var(--panel-br);
  display:flex; flex-direction:column; transform:translateX(100%); transition:transform .35s ease;
  box-shadow:-20px 0 50px rgba(0,0,0,0.45);
}
.cart-drawer.open{ transform:translateX(0); }
.cart-drawer__head{ display:flex; align-items:center; justify-content:space-between; padding:20px; border-bottom:1px solid rgba(255,255,255,0.07); }
.cart-drawer__head h3{ font-size:18px; }
.cart-drawer__close{ background:none; border:none; color:var(--ink-soft); font-size:22px; cursor:pointer; transition:.2s; }
.cart-drawer__close:hover{ color:var(--cyan); }
.cart-drawer__body{ flex:1; overflow-y:auto; padding:16px 18px; display:flex; flex-direction:column; gap:14px; }
.cart-empty{ color:var(--ink-soft); text-align:center; margin-top:40px; font-size:14px; }
.cart-item{ display:flex; gap:12px; align-items:center; background:rgba(255,255,255,0.03); border:1px solid var(--panel-br); border-radius:12px; padding:10px; }
.cart-item__info{ flex:1; }
.cart-item__name{ font-size:14px; font-weight:600; }
.cart-item__price{ font-size:13px; color:var(--cyan); }
.cart-item__qty{ display:flex; align-items:center; gap:8px; }
.cart-item__qty button{ width:24px; height:24px; border-radius:6px; border:1px solid var(--panel-br); background:rgba(255,255,255,0.05); color:var(--ink); cursor:pointer; font-size:14px; line-height:1; }
.cart-item__qty button:hover{ border-color:var(--cyan); color:var(--cyan); }
.cart-item__qty-input{ width:56px; height:24px; text-align:center; font-size:14px; border-radius:6px; border:1px solid var(--panel-br); background:rgba(255,255,255,0.05); color:var(--ink); padding:0 4px; -moz-appearance:textfield; }
.cart-item__qty-input::-webkit-outer-spin-button,
.cart-item__qty-input::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }
.cart-item__qty-input:focus{ outline:none; border-color:var(--cyan); }
.cart-item__remove{ background:none; border:none; color:var(--ink-soft); cursor:pointer; font-size:16px; }
.cart-item__remove:hover{ color:#ff6b6b; }
.cart-drawer__foot{ padding:18px 20px; border-top:1px solid rgba(255,255,255,0.07); display:flex; flex-direction:column; gap:10px; }
.cart-drawer__subtotal{ display:flex; justify-content:space-between; font-weight:600; }
.cart-drawer__subtotal span{ color:var(--cyan); }

/* ---------- About ---------- */
.about__intro{ max-width:820px; margin:0 auto 44px; text-align:center; color:var(--ink-soft); }
.about__intro p{ margin-bottom:14px; }
.about__intro strong{ color:var(--ink); }
.about__grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:18px; }
.about__item{ background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius); padding:22px; transition:.3s; backdrop-filter:blur(8px); }
.about__item:hover{ transform:translateY(-5px); border-color:var(--cyan); box-shadow:0 12px 34px rgba(34,211,238,0.16); }
.about__ico{ font-size:28px; display:block; margin-bottom:10px; }
.about__item h4{ font-size:16px; margin-bottom:6px; }
.about__item p{ color:var(--ink-soft); font-size:14px; }

/* ---------- Contact ---------- */
.contact{ display:grid; grid-template-columns:1fr 1.1fr; gap:40px; align-items:start; }
.contact__info h2{ font-size:clamp(24px,4vw,34px); margin:8px 0 14px; }
.contact__info p{ color:var(--ink-soft); margin-bottom:18px; }
.contact__list{ list-style:none; display:flex; flex-direction:column; gap:10px; color:var(--ink-soft); }
.contact__list a:hover{ color:var(--cyan); }
.contact__form{ background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius); padding:26px; backdrop-filter:blur(8px); display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field--full{ grid-column:1 / -1; }
.field label{ font-size:13px; color:var(--ink-soft); }
.field input, .field textarea{
  background:rgba(7,11,20,0.6); border:1px solid var(--panel-br); border-radius:10px;
  padding:11px 13px; color:var(--ink); font-size:14px; font-family:inherit; transition:.2s; resize:vertical;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(34,211,238,0.15); }
.contact__form .btn--primary{ grid-column:1 / -1; justify-self:start; }

/* ---------- Checkout ---------- */
.checkout{ display:grid; grid-template-columns:1fr; gap:28px; align-items:start; }
.checkout__form{ background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius); padding:26px; backdrop-filter:blur(8px); display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.checkout__form h3{ grid-column:1 / -1; font-size:17px; margin-bottom:2px; }
.checkout__summary{ background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius); padding:24px; backdrop-filter:blur(8px); }
.checkout__summary h3{ font-size:17px; margin-bottom:14px; }
.checkout__dual{ display:grid; grid-template-columns:1fr 1fr; gap:28px; align-items:start; }
.checkout__inquiry{ background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius); padding:26px; backdrop-filter:blur(8px); }
.checkout__inquiry h3{ font-size:17px; margin-bottom:10px; }
.checkout__inquiry p{ color:var(--ink-soft); font-size:13px; line-height:1.6; margin-bottom:18px; }
.checkout__drawings{ grid-column:1 / -1; padding:18px 22px; border:1px dashed var(--panel-br); border-radius:var(--radius); background:rgba(255,255,255,0.015); }
.checkout__drawings > label{ display:block; font-weight:600; margin-bottom:10px; color:var(--ink-soft); }
.checkout__drawings .drawing-hint{ display:block; margin-top:10px; color:var(--ink-soft); font-size:12px; }
.checkout__summary-deposit{ display:flex; flex-direction:column; gap:18px; }
.summary-row{ display:flex; justify-content:space-between; gap:12px; padding:9px 0; border-bottom:1px dashed rgba(255,255,255,0.08); font-size:14px; }
.summary-row--total{ border-bottom:none; font-weight:800; font-size:16px; padding-top:14px; }
.summary-row--total span:last-child{ color:var(--cyan); }
.summary-note{ color:var(--ink-soft); font-size:13px; margin-top:14px; }
.checkout-done{ position:fixed; inset:0; z-index:200; display:none; place-items:center; background:rgba(3,7,15,0.85); backdrop-filter:blur(4px); padding:20px; }
.checkout-done:not([hidden]){ display:grid; }
.checkout-done__card{ background:var(--bg-2); border:1px solid var(--panel-br); border-radius:var(--radius); padding:40px; max-width:440px; text-align:center; }
.checkout-done__ico{ font-size:46px; margin-bottom:12px; }
.checkout-done__card h2{ margin-bottom:12px; }
.checkout-done__card p{ color:var(--ink-soft); margin-bottom:22px; }

@media (max-width: 760px){
  .checkout__dual{ grid-template-columns:1fr; }
}
@media (max-width: 560px){
  .hero__arrow{ display:none; }
  .footer__grid{ grid-template-columns:1fr; }
  .promo-banner{ flex-direction:column; align-items:flex-start; }
  .contact{ grid-template-columns:1fr; }
  .contact__form{ grid-template-columns:1fr; }
  .checkout{ grid-template-columns:1fr; }
  .checkout__form{ grid-template-columns:1fr; }
  .checkout__summary{ position:static; }
}

/* ===========================================================
   Quotation page
   =========================================================== */
.nav a.is-active{ color:var(--cyan); }

.quote-hero{
  padding:140px 0 60px;
  background:
    radial-gradient(900px 360px at 85% 20%, rgba(34,211,238,0.12), transparent 60%),
    radial-gradient(700px 300px at 10% 50%, rgba(59,130,246,0.14), transparent 55%);
}
.quote-hero h1{ font-size:clamp(34px,6vw,58px); line-height:1.05; margin:12px 0 18px; }
.quote-hero p{ max-width:720px; color:var(--ink-soft); font-size:17px; }
.quote-hero strong{ color:var(--cyan); }

.rate-bar{
  background:rgba(17,27,46,0.6);
  border-top:1px solid var(--panel-br);
  border-bottom:1px solid var(--panel-br);
  backdrop-filter:blur(8px);
}
.rate-bar__inner{
  display:flex; align-items:center; gap:18px; padding:12px 0; flex-wrap:wrap;
}
.rate-bar__label{ color:var(--ink-soft); font-size:14px; }
.rate-bar__value{ color:var(--cyan); font-size:18px; }
.rate-bar__source{ margin-left:auto; color:var(--ink-soft); font-size:13px; }

.quote-calc{ padding-top:50px; }
.calc-grid{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:28px; align-items:start;
}
.calc-form h2, .calc-result h2{ font-size:22px; margin-bottom:20px; }
.calc-form, .calc-result{
  background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius);
  padding:28px; backdrop-filter:blur(8px);
}
.calc-form .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px; }
.calc-form .field-row:has(.field--full){ grid-template-columns:1fr; }
.calc-form label{ font-size:13px; color:var(--ink-soft); margin-bottom:4px; }
.calc-form select, .calc-form input[type="number"]{
  width:100%; background:rgba(7,11,20,0.6); border:1px solid var(--panel-br); border-radius:10px;
  padding:12px 13px; color:var(--ink); font-size:14px; font-family:inherit;
}
.calc-form select:focus, .calc-form input:focus{ outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(34,211,238,0.15); }
.btn--wide{ width:100%; justify-content:center; margin-top:8px; }

.calc-result__empty{ color:var(--ink-soft); }
.calc-result__empty p{ margin-bottom:10px; }
.calc-result__head{
  background:linear-gradient(135deg, rgba(34,211,238,0.12), rgba(59,130,246,0.12));
  border:1px solid var(--panel-br); border-radius:14px; padding:22px; text-align:center; margin-bottom:20px;
}
.calc-result__label{ display:block; font-size:13px; color:var(--ink-soft); text-transform:uppercase; letter-spacing:0.08em; }
.calc-result__price{ display:block; font-size:42px; font-weight:800; color:var(--cyan); line-height:1.1; margin:6px 0; }
.calc-result__sub{ display:block; font-size:14px; color:var(--ink-soft); }
.calc-result__body{ display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:18px; }
.calc-result__body div{
  background:rgba(7,11,20,0.45); border:1px solid var(--panel-br); border-radius:10px; padding:12px 14px;
}
.calc-result__body span{ display:block; font-size:12px; color:var(--ink-soft); margin-bottom:2px; }
.calc-result__body strong{ font-size:15px; color:var(--ink); }
.calc-result__note{ color:var(--ink-soft); font-size:13px; line-height:1.6; }

.calc-result__request{
  text-align:center; padding:30px 10px; color:var(--ink-soft);
}
.calc-result__request h3{ color:var(--ink); font-size:20px; margin-bottom:10px; }
.calc-result__request p{ margin-bottom:14px; }

.quote-table{ padding-top:70px; }
.table-filter{ display:flex; gap:10px; flex-wrap:wrap; margin:22px 0; }
.table-filter button{
  padding:8px 16px; border-radius:999px; border:1px solid var(--panel-br);
  background:rgba(255,255,255,0.04); color:var(--ink-soft); cursor:pointer; font-size:14px; transition:.2s;
}
.table-filter button:hover, .table-filter button.is-active{
  border-color:var(--cyan); color:var(--cyan); background:rgba(34,211,238,0.08);
}

.table-wrap{ overflow-x:auto; border:1px solid var(--panel-br); border-radius:var(--radius); background:var(--panel); backdrop-filter:blur(8px); }
.price-table, .spec-table{ width:100%; border-collapse:collapse; min-width:720px; }
.price-table th, .price-table td, .spec-table th, .spec-table td{
  padding:14px 16px; text-align:left; border-bottom:1px solid rgba(255,255,255,0.06); font-size:14px;
}
.price-table th, .spec-table th{
  background:rgba(7,11,20,0.5); color:var(--ink-soft); font-weight:600; text-transform:uppercase; font-size:12px; letter-spacing:0.05em;
}
.price-table td{ color:var(--ink); }
.price-table td:nth-child(n+4):nth-child(-n+7){ font-family:"SF Mono", Consolas, monospace; color:var(--cyan); }
.price-table tr:hover td{ background:rgba(34,211,238,0.04); }
.btn--sm{ padding:7px 14px; font-size:13px; border-radius:8px; }

.grade-specs{ padding-top:70px; }
.spec-table td{ color:var(--ink-soft); }
.spec-table td:first-child{ color:var(--cyan); font-weight:700; }

.section--cta{ padding-top:70px; }
.cta-box{
  display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  background:linear-gradient(135deg, rgba(34,211,238,0.10), rgba(59,130,246,0.10));
  border:1px solid var(--panel-br); border-radius:var(--radius); padding:34px 40px;
}
.cta-box h2{ font-size:24px; margin-bottom:6px; }
.cta-box p{ color:var(--ink-soft); }

@media (max-width: 820px){
  .calc-grid{ grid-template-columns:1fr; }
  .calc-form .field-row{ grid-template-columns:1fr; }
  .calc-result__body{ grid-template-columns:1fr; }
  .cta-box{ flex-direction:column; align-items:flex-start; }
  .rate-bar__source{ margin-left:0; width:100%; }
}

/* Quote request form inside calculator result card */
.quote-request{
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid var(--panel-br);
}
.quote-request h3{
  font-size:18px;
  margin-bottom:6px;
}
.quote-request > p{
  font-size:13px;
  color:var(--ink-soft);
  margin-bottom:14px;
}
.quote-request__form .field-row{
  grid-template-columns:1fr 1fr;
}
.quote-request__form textarea{
  width:100%;
  background:rgba(7,11,20,0.45);
  border:1px solid var(--panel-br);
  border-radius:10px;
  padding:10px 12px;
  color:var(--ink);
  font-family:inherit;
  resize:vertical;
}
.quote-request__form textarea:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(34,211,238,0.15);
}
.quote-request__success{
  background:rgba(5,150,105,0.12);
  border:1px solid rgba(5,150,105,0.35);
  color:#6ee7b7;
  border-radius:10px;
  padding:14px;
  text-align:center;
  font-size:14px;
}
@media (max-width: 820px){
  .quote-request__form .field-row{
    grid-template-columns:1fr;
  }
}

/* ===========================================================
   Site search (header)
   =========================================================== */
.search{ position:relative; display:flex; align-items:center; }
.search__icon{ position:absolute; left:12px; font-size:14px; opacity:.7; pointer-events:none; }
.search__input{
  width:230px; max-width:42vw; padding:9px 30px 9px 34px;
  background:rgba(255,255,255,0.05); border:1px solid var(--panel-br); color:var(--ink);
  border-radius:999px; font-size:14px; font-family:inherit; transition:.2s;
}
.search__input::placeholder{ color:var(--ink-soft); }
.search__input:focus{ outline:none; border-color:var(--cyan); box-shadow:0 0 0 3px rgba(34,211,238,0.14); width:260px; }
.search__clear{
  position:absolute; right:10px; background:none; border:none; color:var(--ink-soft);
  cursor:pointer; font-size:14px; line-height:1; padding:2px; display:none;
}
.search__clear:hover{ color:var(--cyan); }
.search__clear:not([hidden]){ display:block; }

/* ---------- Product foot buttons ---------- */
.product__foot-btns{ display:flex; align-items:center; gap:8px; }
.product__foot-btns .btn--mini{ padding:8px 13px; }
.product mark, .faq-list mark{ background:rgba(34,211,238,0.28); color:var(--ink); border-radius:3px; padding:0 1px; }

/* ---------- FAQ accordion ---------- */
.faq-list{ display:flex; flex-direction:column; gap:12px; max-width:840px; margin:0 auto; }
.faq-item{
  background:var(--panel); border:1px solid var(--panel-br); border-radius:var(--radius);
  backdrop-filter:blur(8px); overflow:hidden; transition:border-color .2s ease;
}
.faq-item.open{ border-color:var(--cyan); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:14px;
  background:none; border:none; cursor:pointer; color:var(--ink); text-align:left;
  padding:18px 22px; font-size:16px; font-weight:600; font-family:inherit;
}
.faq-q:hover{ color:var(--cyan); }
.faq-ico{
  flex:0 0 auto; width:22px; height:22px; position:relative; transition:transform .25s ease;
}
.faq-ico::before, .faq-ico::after{
  content:""; position:absolute; top:50%; left:50%; background:var(--cyan); border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{ width:14px; height:2px; }
.faq-ico::after{ width:2px; height:14px; transition:transform .25s ease; }
.faq-item.open .faq-ico::after{ transform:translate(-50%,-50%) scaleY(0); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.faq-a > p{ color:var(--ink-soft); font-size:14px; padding:0 22px 18px; margin:0; }

/* ===========================================================
   Product detail modal
   =========================================================== */
.detail{ display:flex; flex-direction:column; }
.detail__media{ height:180px; background-size:contain; background-repeat:no-repeat; background-position:center; background-color:#eef2f7; position:relative; }
.detail__img{ width:100%; height:100%; background-size:contain; background-repeat:no-repeat; background-position:center; background-color:#eef2f7; }
.detail__img--custom{ display:grid; place-items:center; background:radial-gradient(circle at 50% 40%, rgba(34,211,238,0.16), transparent 70%); }
.detail__content{ padding:22px 26px 26px; }
.detail__title{ font-size:22px; margin-bottom:4px; }
.detail__tagline{ color:var(--cyan); font-size:14px; font-weight:600; margin-bottom:14px; }
.detail__desc{ color:var(--ink-soft); font-size:14px; margin-bottom:18px; }
.detail__grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:14px 22px; }
.detail__row{ border-top:1px solid rgba(255,255,255,0.08); padding-top:12px; }
.detail__row h4{ font-size:12px; letter-spacing:.04em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:6px; }
.detail__row p, .detail__row li{ font-size:14px; color:var(--ink); margin:0; }
.detail__row ul{ margin:0; padding-left:18px; }
.detail__row li{ margin-bottom:3px; }
.detail__chips{ display:flex; flex-wrap:wrap; gap:7px; }
.detail__chip{ font-size:12px; font-weight:600; padding:5px 11px; border-radius:999px; background:rgba(34,211,238,0.1); border:1px solid var(--panel-br); color:var(--cyan); }
.detail__actions{ display:flex; gap:12px; margin-top:20px; flex-wrap:wrap; }
.detail__loading, .detail__error{ padding:40px; text-align:center; color:var(--ink-soft); }

/* ---------- Search responsive ---------- */
@media (max-width: 880px){
  .search__input{ width:160px; }
  .search__input:focus{ width:190px; }
}
@media (max-width: 560px){
  .search{ order:-1; width:100%; }
  .search__input, .search__input:focus{ width:100%; max-width:100%; }
  .header__actions{ flex-wrap:wrap; }
}

/* ---------- PayPal Deposit Block ---------- */
.paypal-deposit{
  grid-column: 1 / -1;
  margin-top:28px;
  padding:20px 22px;
  border:1px solid var(--panel-br);
  border-radius:12px;
  background:rgba(255,255,255,0.02);
}
.paypal-deposit__head{
  display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-bottom:8px;
}
.paypal-deposit__amount{
  margin-left:auto;
  font-size:22px; font-weight:700; color:var(--cyan);
}
.paypal-deposit__note{
  margin:0 0 16px; font-size:13px; color:var(--ink-soft);
}
#paypalBtnWrap{ min-height:48px; }
.paypal-deposit__hint{
  margin:10px 0 0; font-size:12px; color:var(--ink-soft); min-height:18px;
}