/* ============================================================
   ALANO TITANIUM — brand site stylesheet (light / clean B2B)
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-2: #f6f7f8;
  --panel: #ffffff;
  --line: #e7e9ec;
  --line-strong: #d4d8dd;
  --text: #16181c;
  --muted: #5f646b;
  --faint: #8b9097;
  --ink: #16181c;
  --ti-grad: linear-gradient(115deg, #6f7680 0%, #3d434c 45%, #23272d 100%);
  --blue: #1a66c2;
  --radius: 12px;
  --font-display: "Archivo", "Inter", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --container: 1240px;
  --pad: 24px;
  --header-h: 118px; /* announcement 40 + header 78 */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: #d8dde4; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; }
.display { font-size: clamp(2.2rem, 4.6vw, 3.6rem); font-weight: 650; letter-spacing: -0.025em; }
.h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--faint);
}
.eyebrow::before { content: ""; width: 22px; height: 1.5px; background: var(--line-strong); }
.lead { color: var(--muted); font-size: 1.04rem; max-width: 62ch; }
.ti-text { background: var(--ti-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 26px;
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1.5px solid var(--ink); border-radius: 8px;
  color: var(--ink); background: transparent; cursor: pointer;
  transition: all 0.22s ease; white-space: nowrap;
}
.btn:hover { background: var(--ink); color: #fff; }
.btn-solid { background: var(--ink); color: #fff; }
.btn-solid:hover { background: #2c3038; border-color: #2c3038; transform: translateY(-1px); }
.btn-light { border-color: #fff; color: #fff; }
.btn-light:hover { background: #fff; color: var(--ink); }
.btn-sm { padding: 9px 18px; font-size: 12px; }
.btn[disabled] { opacity: 0.55; cursor: default; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); border-bottom: 1.5px solid var(--line-strong); padding-bottom: 3px;
  transition: border-color 0.2s ease;
}
.arrow-link:hover { border-color: var(--ink); }
.arrow-link .arr { transition: transform 0.22s ease; }
.arrow-link:hover .arr { transform: translateX(4px); }

/* ---------- announcement + header ---------- */
.announce {
  background: var(--ink); color: #d7dade;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  text-align: center; padding: 10px 16px;
}
.announce strong { color: #fff; font-weight: 600; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--container); margin: 0 auto; padding: 0 var(--pad);
  height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.logo { display: inline-flex; align-items: baseline; gap: 8px; font-family: var(--font-display); }
.logo .logo-main { font-size: 21px; font-weight: 700; letter-spacing: 0.05em; color: var(--ink); }
.logo .logo-ti {
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  padding: 3px 7px; border-radius: 5px;
  background: var(--ti-grad); color: #fff; transform: translateY(-1px);
}

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  font-size: 13.5px; font-weight: 500; letter-spacing: 0.06em;
  color: var(--muted); padding: 6px 0; position: relative; transition: color 0.2s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--ink); border-radius: 2px;
}

.header-tools { display: flex; align-items: center; gap: 12px; }
.search-toggle { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; padding: 6px; border: 0; background: transparent; color: var(--ink); cursor: pointer; border-radius: 50%; transition: background .2s ease; }
.search-toggle:hover { background: var(--bg-2); }
.search-toggle svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.cart-link { position: relative; display: inline-flex; padding: 6px; color: var(--ink); }
.cart-link svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.cart-count {
  position: absolute; top: -2px; right: -4px;
  min-width: 17px; height: 17px; padding: 0 4px;
  background: var(--ink); color: #fff;
  border-radius: 999px; font-size: 10.5px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.cart-count.empty { display: none; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 1.6px; background: var(--ink); transition: all 0.3s ease; display: block; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6.6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6.6px) rotate(-45deg); }

/* ---------- site search ---------- */
.search-modal { position: fixed; inset: 0; z-index: 300; display: flex; align-items: flex-start; justify-content: center; padding: 8vh 20px 20px; }
.search-modal[hidden] { display: none; }
.search-backdrop { position: absolute; inset: 0; background: rgba(22, 24, 28, .42); backdrop-filter: blur(3px); }
.search-panel {
  position: relative; width: min(720px, 100%); max-height: 78vh; overflow: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: clamp(22px, 4vw, 36px); box-shadow: 0 30px 80px rgba(22,24,28,.22);
  animation: searchIn .25s ease;
}
@keyframes searchIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.search-panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.search-panel-head h2 { font-size: 1.4rem; margin-top: 8px; }
.search-close { flex: 0 0 auto; width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: 50%; background: #fff; font-size: 20px; line-height: 1; color: var(--ink); cursor: pointer; transition: all .2s ease; }
.search-close:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.search-field { display: flex; align-items: center; gap: 10px; border: 1.5px solid var(--ink); border-radius: 10px; padding: 0 16px; background: #fff; }
.search-field svg { flex: 0 0 auto; width: 19px; height: 19px; fill: none; stroke: var(--muted); stroke-width: 1.7; stroke-linecap: round; }
.search-field input { flex: 1; border: 0; outline: none; padding: 14px 0; font-size: 1rem; font-family: var(--font-body); color: var(--text); background: transparent; }
.search-meta { margin: 12px 2px 6px; font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.search-results { display: grid; }
.search-result { display: grid; grid-template-columns: 64px 1fr auto; gap: 16px; align-items: center; padding: 12px 6px; border-top: 1px solid var(--line); transition: background .18s ease; }
.search-result:hover { background: var(--bg-2); }
.search-result img, .search-thumb { width: 64px; height: 64px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-2); }
.search-thumb { display: flex; align-items: center; justify-content: center; color: var(--faint); font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.search-result .t { font-family: var(--font-display); font-weight: 600; font-size: .98rem; line-height: 1.3; }
.search-result .s { font-size: .82rem; color: var(--faint); margin-top: 2px; }
.search-result .k { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; white-space: nowrap; }
.search-empty { padding: 26px 6px; color: var(--muted); font-size: .95rem; border-top: 1px solid var(--line); }

/* ---------- home about (factory intro) ---------- */
.home-about .section-head { margin-bottom: clamp(28px, 4vw, 44px); }
.home-about-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.home-about-intro .prose h3 { margin-top: 26px; }
.home-about-intro .prose .home-about-first { margin-top: 0; }
.home-factory-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin-top: clamp(36px, 5vw, 56px); }
.home-factory-strip figure { overflow: hidden; background: var(--bg-2); }
.home-factory-strip img { width: 100%; height: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s ease; }
.home-factory-strip figure:hover img { transform: scale(1.03); }
.about-factory-strip { margin-top: 0; }
.home-about-media { align-self: center; }

/* ---------- hero carousel: product imagery only ---------- */
.hero-carousel { position: relative; border-bottom: 1px solid var(--line); overflow: hidden; background: var(--bg-2); }
.carousel-track { position: relative; }
.slide { display: none; background: var(--bg-2); }
.slide.active { display: block; animation: slideIn 0.55s ease; }
@keyframes slideIn { from { opacity: 0; } to { opacity: 1; } }
.slide-media { position: relative; display: block; width: 100%; aspect-ratio: 16 / 7; min-height: 400px; max-height: 680px; overflow: hidden; }
.slide-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; position: absolute; inset: 0; transition: transform 1s ease; }
.slide-media:hover img { transform: scale(1.012); }

.carousel-ui { position: absolute; inset: auto 0 0 0; display: flex; align-items: center; justify-content: space-between; padding: 0 24px 20px; pointer-events: none; }
.carousel-dots { display: flex; gap: 8px; pointer-events: auto; padding: 10px 12px; border-radius: 999px; background: rgba(255,255,255,.76); backdrop-filter: blur(8px); }
.carousel-dots button {
  width: 26px; height: 3px; border: none; border-radius: 3px;
  background: #b8bdc4; cursor: pointer; transition: background 0.25s ease; padding: 0;
}
.carousel-dots button.on { background: var(--ink); }
.carousel-arrows { display: flex; gap: 8px; pointer-events: auto; }
.carousel-arrows button {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: rgba(255,255,255,0.9);
  color: var(--ink); font-size: 16px; cursor: pointer; transition: all 0.2s ease;
}
.carousel-arrows button:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ---------- sections ---------- */
.section { padding: clamp(64px, 8vw, 104px) 0; }
.section-alt { background: var(--bg-2); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: clamp(36px, 5vw, 56px); flex-wrap: wrap; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head p.sub { color: var(--muted); max-width: 56ch; }

/* ---------- collection cards ---------- */
.coll-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.coll-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  display: flex; flex-direction: column;
}
.coll-card:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(22, 24, 28, 0.09); border-color: var(--line-strong); }
.coll-card .media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--bg-2); }
.coll-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.2,0.6,0.2,1); }
.coll-card:hover .media img { transform: scale(1.045); }
.coll-card .body { padding: 16px 16px 18px; }
.coll-card h3 { font-size: 1.02rem; margin-bottom: 4px; }
.coll-card .items { font-size: 0.8rem; color: var(--faint); line-height: 1.5; }

/* ---------- product grid ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card {
  position: relative;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(22,24,28,0.09); border-color: var(--line-strong); }
.product-card .media { aspect-ratio: 1 / 1; overflow: hidden; background: var(--bg-2); position: relative; }
.product-card .media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.2,0.6,0.2,1); }
.product-card:hover .media img { transform: scale(1.045); }
.product-card .badge {
  position: absolute; top: 12px; left: 12px;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  background: var(--ink); color: #fff; padding: 5px 10px; border-radius: 999px;
}
.product-card .body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card .coll-name { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.product-card h3 { font-size: 1.02rem; line-height: 1.35; }
.product-card h3 a::after { content: ""; position: absolute; inset: 0; }
.product-card .price-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 8px; gap: 8px; }
.product-card .price { font-family: var(--font-display); font-weight: 650; font-size: 1.05rem; }
.product-card .add-mini {
  position: relative; z-index: 1;
  border: 1px solid var(--line-strong); background: #fff; color: var(--ink);
  border-radius: 7px; padding: 6px 12px; font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: all 0.2s ease;
  font-family: var(--font-display);
}
.product-card .add-mini:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.product-card .add-mini.added { background: #1c7c3c; border-color: #1c7c3c; color: #fff; }

/* ---------- information links block ---------- */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-block {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(26px, 3.4vw, 40px); background: var(--panel);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.info-block:hover { border-color: var(--line-strong); box-shadow: 0 14px 36px rgba(22,24,28,0.07); }
.info-block h3 { font-size: 1.25rem; margin: 14px 0 10px; }
.info-block p { color: var(--muted); font-size: 0.95rem; margin-bottom: 18px; }

/* ---------- split / factory ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5.5vw, 80px); align-items: center; }
.split-media { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3.4; }
.split-body .eyebrow { margin-bottom: 16px; }
.split-body h2 { margin-bottom: 18px; }
.split-body p { color: var(--muted); margin-bottom: 16px; }

.check-list { margin: 24px 0 30px; display: grid; gap: 13px; }
.check-list li { display: flex; gap: 13px; align-items: flex-start; font-size: 0.97rem; }
.check-list li::before {
  content: "✓"; flex: 0 0 auto; width: 22px; height: 22px;
  border: 1.5px solid var(--line-strong); border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--ink); margin-top: 2px;
}

/* ---------- oem band ---------- */
.oem-band {
  border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(150deg, #f2f4f6, #e8ebee);
  padding: clamp(36px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between; gap: 36px; flex-wrap: wrap;
}
.oem-band h2 { max-width: 22ch; }
.oem-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.oem-tags .tag {
  font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 7px 14px; background: #fff;
}

/* ---------- page hero ---------- */
.page-hero { padding: clamp(48px, 7vw, 84px) 0 clamp(36px, 5vw, 56px); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.crumbs { font-size: 12.5px; color: var(--faint); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs .sep { margin: 0 8px; }

/* ---------- product detail ---------- */
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.pd-media { position: sticky; top: calc(var(--header-h) + 20px); }
.pd-media .frame { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-2); }
.pd-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.pd-info h1 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 10px; }
.pd-info .sku { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-bottom: 16px; }
.pd-price { font-family: var(--font-display); font-size: 1.8rem; font-weight: 650; margin-bottom: 6px; }
.pd-price-note { font-size: 0.86rem; color: var(--faint); margin-bottom: 22px; }
.pd-info .lead { margin-bottom: 26px; }

.buy-row { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; margin-bottom: 14px; }
.qty-wrap { display: inline-flex; align-items: center; border: 1.5px solid var(--ink); border-radius: 8px; overflow: hidden; }
.qty-wrap button { width: 40px; height: 100%; min-height: 48px; border: none; background: #fff; font-size: 17px; cursor: pointer; color: var(--ink); }
.qty-wrap button:hover { background: var(--bg-2); }
.qty-wrap input { width: 48px; border: none; text-align: center; font-size: 15px; font-weight: 600; color: var(--ink); background: #fff; }
.qty-wrap input:focus { outline: none; }
.buy-row .btn { flex: 1; min-width: 180px; }

.pd-perks { display: grid; gap: 9px; font-size: 0.9rem; color: var(--muted); margin-bottom: 26px; }
.pd-perks li { display: flex; gap: 9px; align-items: center; }
.pd-perks li::before { content: "✓"; color: var(--ink); font-weight: 700; }

.pd-section { padding: clamp(48px, 7vw, 88px) 0; }
.pd-section + .pd-section { border-top: 1px solid var(--line); }
.pd-two-col { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(32px, 5vw, 72px); }
.pd-two-col h2 { margin-bottom: 18px; }
.pd-two-col p { color: var(--muted); margin-bottom: 14px; }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table caption { text-align: left; font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; padding-bottom: 14px; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 4px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { font-size: 11.5px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); width: 38%; }
.spec-table td { font-size: 0.95rem; }
.spec-table td.pv { text-align: right; font-weight: 650; white-space: nowrap; }

/* ---------- about / content pages ---------- */
.prose { max-width: 76ch; }
.prose p { color: var(--muted); margin-bottom: 18px; }
.prose p strong { color: var(--text); }
.prose h3 { font-size: 1.35rem; margin: 34px 0 12px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); margin-bottom: 12px; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px;
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--faint); line-height: 1; transition: transform 0.25s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 22px 20px; color: var(--muted); }

/* ---------- process steps (OEM) ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.step { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; background: var(--panel); }
.step .n { font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: 0.16em; color: var(--faint); margin-bottom: 12px; }
.step h3 { font-size: 1.02rem; margin-bottom: 8px; }
.step p { font-size: 0.87rem; color: var(--muted); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.info-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 20px 24px; margin-bottom: 14px; }
.info-card .k { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); margin-bottom: 4px; }
.info-card .v { font-size: 1.02rem; }
.info-card a.v:hover { text-decoration: underline; }

/* ---------- social circles (footer Follow Us) ---------- */
.social-circles { display: flex; gap: 12px; flex-wrap: wrap; }
.social-circle {
  width: 42px; height: 42px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; transition: transform .22s ease, box-shadow .22s ease;
  box-shadow: 0 2px 8px rgba(22,24,28,.12);
}
.social-circle.social-facebook { border-radius: 50%; }
.social-circle:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(22,24,28,.2); }
.social-circle svg { width: 20px; height: 20px; fill: currentColor; flex: none; }
.social-circle.social-tiktok svg { width: 22px; height: 22px; }

/* ---------- products list page (PLP) ---------- */
.plp-section { padding: clamp(28px, 4vw, 48px) 0 clamp(64px, 8vw, 104px); background: #f4f5f6; }
.plp-layout { display: grid; grid-template-columns: 230px 1fr; gap: clamp(24px, 3vw, 40px); align-items: start; }

.plp-sidebar {
  position: sticky; top: calc(var(--header-h) + 16px);
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 0 20px;
}
.plp-side-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 10px; font-size: 11.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--faint); }
.plp-drawer-close { display: none; border: none; background: none; font-size: 22px; color: var(--muted); cursor: pointer; line-height: 1; }
.plp-cat-list li + li { margin-top: 2px; }
.plp-cat {
  display: flex; align-items: center; justify-content: space-between;
  height: 40px; padding: 0 16px 0 13px;
  font-size: 13px; font-weight: 600; color: var(--text);
  border-left: 3px solid transparent; transition: background .18s ease, border-color .18s ease;
}
.plp-cat:hover { background: #f4f5f6; }
.plp-cat.active { border-left-color: #262b2f; background: #eef0f2; }
.plp-cat-count { font-size: 11.5px; font-weight: 500; color: var(--faint); }

.plp-side-block { margin-top: 18px; padding: 16px 16px 0; border-top: 1px solid var(--line); }
.plp-side-block h5 { font-family: var(--font-display); font-size: 11.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--faint); margin-bottom: 12px; }
.plp-picks { display: grid; gap: 10px; }
.plp-pick { display: flex; align-items: center; gap: 10px; padding: 6px; border-radius: 10px; transition: background .18s ease; }
.plp-pick:hover { background: #f4f5f6; }
.plp-pick img { width: 36px; height: 36px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); flex: 0 0 auto; }
.plp-pick-info { display: grid; gap: 1px; min-width: 0; }
.plp-pick-name { font-size: 12px; font-weight: 600; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plp-pick-price { font-size: 11.5px; color: #b45309; font-weight: 650; }

.plp-main { min-width: 0; }
.plp-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 20px; }
.plp-total { font-size: 13px; color: var(--muted); font-weight: 500; }
.plp-tools { display: flex; align-items: center; gap: 12px; }
.plp-sort { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--faint); letter-spacing: .06em; text-transform: uppercase; font-weight: 600; }
.plp-sort select {
  appearance: none; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff;
  font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--text);
  padding: 9px 34px 9px 12px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%; background-size: 5px 5px; background-repeat: no-repeat;
}
.plp-sort select:focus { outline: none; border-color: #262b2f; }
.plp-view { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 8px; overflow: hidden; background: #fff; }
.plp-view button { width: 38px; height: 37px; border: none; background: #fff; font-size: 15px; color: var(--muted); cursor: pointer; }
.plp-view button + button { border-left: 1px solid var(--line); }
.plp-view button.on { background: #262b2f; color: #fff; }

.plp-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plp-grid[data-cols="4"] { grid-template-columns: repeat(4, 1fr); gap: 14px; }
.plp-grid .product-card { border-radius: 12px; border-color: #eceef0; box-shadow: 0 1px 3px rgba(22,24,28,.05); }
.plp-grid .product-card:hover { box-shadow: 0 12px 30px rgba(22,24,28,.09); }
.plp-grid .product-card .price { color: #b45309; }

.plp-drawer-btn {
  display: none; align-items: center; gap: 8px;
  border: 1px solid var(--line-strong); border-radius: 8px; background: #fff;
  font-family: var(--font-display); font-size: 12.5px; font-weight: 600; letter-spacing: .06em;
  padding: 10px 16px; color: #262b2f; cursor: pointer;
}
.plp-overlay { position: fixed; inset: 0; background: rgba(22,24,28,.4); z-index: 190; }
.plp-overlay[hidden] { display: none; }

.socials { display: flex; gap: 10px; flex-wrap: wrap; }
.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink); border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 9px 16px; transition: all 0.22s ease; background: #fff;
}
.social-btn:hover { border-color: var(--ink); transform: translateY(-1px); }
.social-btn svg { width: 15px; height: 15px; fill: currentColor; }

.form-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: clamp(26px, 3.6vw, 42px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; background: #fff; border: 1px solid var(--line-strong); border-radius: 8px;
  color: var(--text); font-family: var(--font-body); font-size: 0.97rem; padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(22, 24, 28, 0.08);
}
.field textarea { min-height: 128px; resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.form-note { font-size: 0.83rem; color: var(--faint); margin-top: 14px; }
.form-status { display: none; margin-top: 14px; padding: 12px 15px; border-radius: 8px; font-size: 0.92rem; border: 1px solid #bfd8c8; background: #eef7f1; color: #1c7c3c; }
.form-status.show { display: block; }

/* ---------- cart ---------- */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { text-align: left; font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); padding: 0 12px 12px 0; border-bottom: 1px solid var(--line); }
.cart-table td { padding: 18px 12px 18px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.cart-item { display: flex; align-items: center; gap: 16px; }
.cart-item img { width: 74px; height: 74px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.cart-item .n { font-weight: 600; font-family: var(--font-display); }
.cart-item .s { font-size: 0.82rem; color: var(--faint); }
.cart-qty { display: inline-flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 8px; }
.cart-qty button { width: 32px; height: 34px; border: none; background: #fff; cursor: pointer; font-size: 15px; }
.cart-qty button:hover { background: var(--bg-2); }
.cart-qty span { width: 34px; text-align: center; font-weight: 600; font-size: 14px; }
.cart-remove { border: none; background: none; color: var(--faint); cursor: pointer; font-size: 0.85rem; text-decoration: underline; }
.cart-remove:hover { color: #b3261e; }
.cart-summary { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; background: var(--bg-2); }
.cart-summary .row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 0.95rem; }
.cart-summary .total { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; border-top: 1px solid var(--line); margin-top: 10px; padding-top: 14px; }
.cart-empty { text-align: center; padding: clamp(48px, 8vw, 90px) 0; }

/* ---------- cta band ---------- */
.cta-band { background: var(--ink); color: #fff; padding: clamp(64px, 9vw, 110px) 0; }
.cta-band .eyebrow { color: #9aa0a6; justify-content: center; margin-bottom: 18px; }
.cta-band .eyebrow::before { background: #9aa0a6; }
.cta-band .eyebrow::after { content: ""; width: 22px; height: 1.5px; background: #9aa0a6; }
.cta-band h2 { max-width: 24ch; margin: 0 auto 16px; }
.cta-band p { color: #b8bcc2; max-width: 58ch; margin: 0 auto 32px; }
.cta-band .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: clamp(52px, 7vw, 76px) 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { color: var(--muted); font-size: 0.93rem; margin: 14px 0 20px; max-width: 34ch; }
.footer-col h4 { font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); margin-bottom: 16px; font-weight: 600; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a, .footer-col li { color: var(--muted); font-size: 0.93rem; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: var(--faint); font-size: 0.84rem; }

/* ---------- factory gallery ---------- */
.factory-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.factory-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.factory-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .5s ease; }
.factory-card:hover img { transform: scale(1.025); }
.factory-card figcaption { padding: 20px 22px 22px; display: grid; gap: 5px; }
.factory-card figcaption strong { font-family: var(--font-display); font-size: 1.05rem; }
.factory-card figcaption span { color: var(--muted); font-size: .9rem; }
.oem-options { grid-template-columns: repeat(4, 1fr); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.65s ease, transform 0.65s cubic-bezier(0.2,0.6,0.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .coll-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split, .pd-grid, .contact-grid, .pd-two-col { grid-template-columns: 1fr; }
  .pd-media { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .oem-options { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .slide-media { aspect-ratio: 4 / 3; min-height: 300px; }
  .home-about-intro { grid-template-columns: 1fr; }
  .home-factory-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .plp-layout { grid-template-columns: 1fr; }
  .plp-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
    width: 270px; border-radius: 0; border: none; overflow-y: auto;
    transform: translateX(-100%); transition: transform .28s ease;
    box-shadow: 20px 0 50px rgba(22,24,28,.18);
  }
  .plp-sidebar.open { transform: none; }
  .plp-drawer-close { display: block; }
  .plp-drawer-btn { display: inline-flex; }
  .plp-grid, .plp-grid[data-cols="4"] { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .plp-view { display: none; }
  .plp-toolbar { justify-content: flex-start; }
  .plp-tools { margin-left: auto; }
}
@media (max-width: 720px) {
  .announce { font-size: 10.5px; padding: 8px 12px; }
  .main-nav {
    position: fixed; inset: 0; background: rgba(255,255,255,0.98);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    flex-direction: column; justify-content: center; gap: 6px;
    opacity: 0; pointer-events: none; transition: opacity 0.28s ease; z-index: 110;
  }
  .main-nav.open { opacity: 1; pointer-events: auto; }
  .main-nav a { font-size: 19px; padding: 11px 0; }
  .nav-toggle { display: flex; }
  .header-tools .btn { display: none; }
  .coll-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .info-grid, .form-grid, .steps, .factory-grid, .oem-options { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .cart-table th:nth-child(3), .cart-table td:nth-child(3) { display: none; }
}
@media (max-width: 480px) {
  .product-grid, .coll-grid { grid-template-columns: 1fr; }
  .plp-grid, .plp-grid[data-cols="4"] { grid-template-columns: repeat(2, 1fr); }
  .plp-grid .product-card .body { padding: 12px 12px 14px; }
  .plp-grid .product-card h3 { font-size: .9rem; }
  .plp-grid .product-card .add-mini { padding: 5px 9px; font-size: 10.5px; }
  .slide-media { aspect-ratio: 1 / 1; min-height: 0; }
  .carousel-ui { padding: 0 14px 14px; }
  .search-result { grid-template-columns: 52px 1fr; }
  .search-result img, .search-thumb { width: 52px; height: 52px; }
  .search-result .k { display: none; }
}