:root {
  --navy: #0b1b33;
  --navy-2: #122845;
  --blue: #1d4ed8;
  --accent: #ef4d2f;
  --accent-dark: #c7371e;
  --ink: #152033;
  --muted: #667085;
  --line: #e6eaf0;
  --soft: #f5f7fa;
  --white: #ffffff;
  --green: #20b15a;
  --shadow: 0 18px 50px rgba(15, 28, 48, .09);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
button, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }
.shell { width: min(1440px, calc(100% - 48px)); margin: 0 auto; }

.topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(230,234,240,.85); }
.topbar-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-mark { display: grid; place-items: center; min-width: 82px; height: 42px; padding: 0 12px; border-radius: 10px; color: #fff; background: var(--navy); font-weight: 900; font-size: 23px; letter-spacing: 1.5px; }
.brand-copy { display: flex; flex-direction: column; min-width: 0; }
.brand-copy strong { font-size: 12px; line-height: 1.4; letter-spacing: .25px; white-space: nowrap; }
.brand-copy small { color: var(--muted); font-size: 12px; margin-top: 3px; }
.top-actions { display: flex; align-items: center; gap: 12px; }
.contact-mini { display: flex; flex-direction: column; gap: 2px; padding: 7px 10px; border-radius: 9px; font-size: 10px; color: var(--muted); }
.contact-mini b { color: var(--ink); font-size: 12px; }
.whatsapp-mini b { color: #0f8c47; }
.lang-switch { display: flex; padding: 3px; background: var(--soft); border: 1px solid var(--line); border-radius: 10px; }
.lang-switch button { width: 34px; height: 30px; border: 0; border-radius: 7px; background: transparent; color: #596579; font-weight: 750; font-size: 11px; cursor: pointer; }
.lang-switch button.active { background: var(--navy); color: #fff; box-shadow: 0 3px 8px rgba(11,27,51,.18); }

.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(118deg, #081729 0%, #0d2340 58%, #13345d 100%); }
.hero::after { content:""; position:absolute; inset:auto -120px -250px auto; width:640px; height:640px; border-radius:50%; background: radial-gradient(circle, rgba(239,77,47,.22), rgba(239,77,47,0) 68%); pointer-events:none; }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.15) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to right, #000 0%, transparent 78%); }
.hero-inner { position: relative; min-height: 485px; display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: 40px; padding-top: 62px; padding-bottom: 62px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #ff9a86; font-size: 12px; font-weight: 850; letter-spacing: 1.8px; }
.eyebrow::before, .section-kicker::before { content:""; width: 26px; height: 2px; background: currentColor; }
.hero h1 { max-width: 820px; margin: 17px 0 16px; font-size: clamp(38px, 5vw, 66px); line-height: 1.08; letter-spacing: -1.6px; }
.hero-copy > p { max-width: 790px; margin: 0; color: #cbd5e1; font-size: 17px; line-height: 1.8; }
.hero-search { max-width: 820px; height: 62px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; margin-top: 30px; padding: 6px 6px 6px 12px; background: #fff; border-radius: 14px; box-shadow: 0 15px 38px rgba(0,0,0,.20); }
.search-icon { color: #6c7688; font-size: 27px; transform: rotate(-20deg); }
.hero-search input { width: 100%; height: 100%; border: 0; outline: 0; color: var(--ink); font-size: 15px; min-width: 0; }
.hero-search button { height: 50px; padding: 0 26px; border: 0; border-radius: 10px; color: #fff; background: var(--accent); font-weight: 800; cursor: pointer; }
.hero-search button:hover { background: var(--accent-dark); }
.hero-tags { display: flex; gap: 11px; flex-wrap: wrap; margin-top: 24px; }
.hero-tags span { display: inline-flex; align-items: baseline; gap: 6px; padding: 8px 11px; border: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.055); border-radius: 9px; }
.hero-tags b { font-size: 17px; }
.hero-tags i { color: #aebbd0; font-style: normal; font-size: 12px; }
.hero-visual { position: relative; height: 390px; display: grid; place-items: center; }
.watermark { position: absolute; font-size: clamp(92px, 12vw, 175px); font-weight: 950; letter-spacing: 10px; color: rgba(255,255,255,.04); transform: rotate(-8deg); }
.clutch-art { position: relative; width: 310px; height: 310px; border-radius: 50%; display: grid; place-items: center; filter: drop-shadow(0 26px 40px rgba(0,0,0,.35)); }
.ring { position: absolute; border-radius: 50%; border-style: solid; }
.ring-1 { inset: 0; border-width: 26px; border-color: #273a55; box-shadow: inset 0 0 0 4px #63738a, 0 0 0 2px #0a1422; }
.ring-2 { inset: 53px; border-width: 30px; border-color: #b8c0ca; box-shadow: inset 0 0 0 8px #667386, 0 0 0 7px #1f2e42; }
.ring-3 { inset: 112px; border-width: 17px; border-color: #26364b; box-shadow: inset 0 0 0 3px #98a4b2; }
.hub { width: 67px; height: 67px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); border: 8px solid #d2d8df; font-size: 11px; font-weight: 900; letter-spacing: .5px; }
.visual-caption { position:absolute; bottom:16px; padding: 7px 12px; border-radius: 999px; background: rgba(0,0,0,.22); color:#9fb0c6; font-size:10px; letter-spacing:1.8px; }

.catalog-section { padding: 70px 0 82px; background: #fff; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(340px, 620px); align-items: end; gap: 40px; margin-bottom: 28px; }
.section-kicker { color: var(--accent); }
.section-heading h2 { margin: 10px 0 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.18; }
.section-heading p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.catalog-layout { display: grid; grid-template-columns: 292px minmax(0,1fr); gap: 22px; align-items: start; }
.category-panel { position: sticky; top: 96px; max-height: calc(100vh - 118px); overflow-y: auto; padding: 13px; background: #f7f9fc; border: 1px solid var(--line); border-radius: var(--radius); scrollbar-width: thin; }
.category-panel-head { display:flex; justify-content:space-between; align-items:center; padding: 8px 9px 12px; }
.category-panel-head h3 { margin:0; font-size:14px; }
.category-panel-head span { display:grid; place-items:center; min-width:27px; height:24px; padding:0 7px; background:#e9eef6; border-radius:999px; color:#536176; font-size:11px; font-weight:800; }
.category-item { width:100%; min-height:42px; display:grid; grid-template-columns:1fr auto; align-items:center; gap:8px; text-align:left; margin:2px 0; padding:8px 9px 8px 11px; border:0; border-radius:10px; color:#39465a; background:transparent; cursor:pointer; }
.category-item span { font-size:12px; line-height:1.35; }
.category-item b { display:grid; place-items:center; min-width:27px; height:22px; padding:0 6px; color:#7a8799; background:#edf1f6; border-radius:999px; font-size:10px; }
.category-item:hover { background:#fff; }
.category-item.active { color:#fff; background:var(--navy); box-shadow:0 7px 16px rgba(11,27,51,.14); }
.category-item.active b { color:#fff; background:rgba(255,255,255,.12); }
.mobile-category-row { display:none; }
.catalog-content { min-width: 0; }
.catalog-toolbar { min-height:64px; display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:12px; padding:8px 10px; background:#fff; border:1px solid var(--line); border-radius:14px; box-shadow:0 6px 22px rgba(15,35,60,.045); }
.toolbar-search { height:44px; min-width:320px; max-width:620px; flex:1; display:grid; grid-template-columns:32px 1fr 34px; align-items:center; padding:0 5px 0 10px; background:var(--soft); border-radius:10px; }
.toolbar-search > span { color:#7b8797; font-size:20px; transform:rotate(-20deg); }
.toolbar-search input { width:100%; min-width:0; border:0; outline:0; background:transparent; color:var(--ink); font-size:13px; }
.toolbar-search button { width:30px; height:30px; border:0; border-radius:8px; background:transparent; color:#8a95a5; font-size:20px; cursor:pointer; }
.toolbar-search button:hover { background:#e7ebf0; color:#3b4553; }
.result-meta { white-space:nowrap; display:flex; align-items:baseline; gap:5px; color:var(--muted); font-size:12px; padding:0 8px; }
.result-meta #resultCategory { max-width:280px; overflow:hidden; text-overflow:ellipsis; }
.result-meta strong { color:var(--accent); font-size:18px; }
.desktop-table-wrap { overflow:hidden; border:1px solid var(--line); border-radius:14px; }
.product-table { width:100%; border-collapse:collapse; table-layout:fixed; }
.product-table th { height:45px; padding:0 13px; text-align:left; background:#f6f8fb; color:#667085; border-bottom:1px solid var(--line); font-size:11px; letter-spacing:.15px; }
.product-table td { padding:12px 13px; border-bottom:1px solid #edf0f4; vertical-align:middle; font-size:12px; line-height:1.45; word-break:break-word; }
.product-table tr:last-child td { border-bottom:0; }
.product-table tbody tr:hover { background:#fbfcfe; }
.product-table th:nth-child(1), .product-table td:nth-child(1) { width:20%; }
.product-table th:nth-child(2), .product-table td:nth-child(2) { width:26%; }
.product-table th:nth-child(3), .product-table td:nth-child(3) { width:20%; }
.product-table th:nth-child(4), .product-table td:nth-child(4) { width:9%; }
.product-table th:nth-child(5), .product-table td:nth-child(5) { width:15%; }
.product-table th:nth-child(6), .product-table td:nth-child(6) { width:10%; text-align:right; }
.category-cell { color:#5f6b7c; font-size:11px!important; }
.category-cell small { display:block; margin-top:3px; color:#9aa3b1; }
.engine-cell { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight:750; color:#27364b; }
.diameter-pill { display:inline-flex; align-items:center; justify-content:center; min-width:58px; padding:5px 8px; border-radius:999px; color:#b53520; background:#fff0ec; font-weight:850; }
.note-cell { color:#697586; }
.inquiry-btn { display:inline-flex; align-items:center; justify-content:center; gap:5px; min-width:74px; height:32px; padding:0 10px; border-radius:8px; color:#0a7d3d; background:#eaf8f0; font-size:11px; font-weight:850; }
.inquiry-btn:hover { color:#fff; background:#16a05a; }
.product-cards { display:none; }
.load-more-wrap { display:flex; justify-content:center; margin-top:18px; }
.load-more { min-width:210px; min-height:47px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:1px; padding:7px 18px; border:1px solid #d7dce4; border-radius:11px; background:#fff; color:#344054; font-weight:800; cursor:pointer; }
.load-more small { color:#8a94a3; font-size:10px; font-weight:600; }
.load-more:hover { border-color:#aeb7c4; background:#fafbfc; }
.load-more[hidden], .load-more-wrap:has(.load-more[hidden]) { display:none; }
.empty-state { text-align:center; padding:70px 20px; border:1px dashed #d7dce4; border-radius:14px; background:#fbfcfe; }
.empty-icon { font-size:52px; color:#b1bac7; transform:rotate(-20deg); }
.empty-state h3 { margin:12px 0 7px; }
.empty-state p { margin:0 auto 18px; max-width:520px; color:var(--muted); font-size:13px; line-height:1.7; }
.empty-state button { height:38px; padding:0 16px; border:0; border-radius:8px; color:#fff; background:var(--navy); font-weight:750; cursor:pointer; }

.contact-section { padding: 0 0 80px; }
.contact-card { position:relative; overflow:hidden; display:grid; grid-template-columns:1.1fr .9fr; align-items:center; gap:40px; padding:38px 42px; border-radius:22px; color:#fff; background:linear-gradient(120deg,#0c1d34,#17365d); box-shadow:var(--shadow); }
.contact-card::after { content:"SCDL"; position:absolute; right:-15px; bottom:-50px; color:rgba(255,255,255,.045); font-size:150px; font-weight:950; letter-spacing:6px; }
.contact-card h2 { margin:10px 0 10px; font-size:30px; }
.contact-card p { max-width:720px; margin:0; color:#bdc9d9; line-height:1.7; font-size:13px; }
.contact-buttons { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.contact-buttons a { min-height:76px; display:flex; flex-direction:column; justify-content:center; gap:4px; padding:14px 18px; border-radius:13px; }
.contact-buttons span { font-size:11px; opacity:.78; }
.contact-buttons strong { font-size:13px; }
.primary-contact { background:#21af5b; }
.secondary-contact { background:rgba(255,255,255,.09); border:1px solid rgba(255,255,255,.15); }
footer { color:#778294; background:#f5f7f9; border-top:1px solid var(--line); }
.footer-inner { min-height:110px; display:flex; align-items:center; justify-content:space-between; gap:30px; }
.footer-inner > div:first-child { display:flex; flex-direction:column; gap:4px; }
.footer-inner strong { color:#26364c; font-size:12px; }
.footer-inner span { font-size:11px; }
.footer-meta { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:12px 18px; }
.floating-whatsapp { position:fixed; right:22px; bottom:22px; z-index:45; width:54px; height:54px; display:grid; place-items:center; border-radius:50%; color:#fff; background:#20b15a; box-shadow:0 12px 28px rgba(32,177,90,.35); border:4px solid #fff; }
.floating-whatsapp span { font-weight:900; font-size:12px; }

@media (max-width: 1120px) {
  .contact-mini { display:none; }
  .hero-inner { grid-template-columns: 1fr .52fr; }
  .clutch-art { transform:scale(.82); }
  .catalog-layout { grid-template-columns: 252px minmax(0,1fr); }
  .section-heading { grid-template-columns:1fr; gap:14px; align-items:start; }
  .contact-card { grid-template-columns:1fr; gap:24px; }
}
@media (max-width: 860px) {
  .shell { width:min(100% - 28px, 1440px); }
  .topbar-inner { min-height:68px; }
  .brand-mark { min-width:72px; height:38px; font-size:20px; }
  .brand-copy strong { max-width:44vw; overflow:hidden; text-overflow:ellipsis; }
  .brand-copy small { display:none; }
  .hero-inner { min-height:auto; grid-template-columns:1fr; padding-top:52px; padding-bottom:50px; }
  .hero-visual { display:none; }
  .hero h1 { font-size:clamp(34px,9vw,52px); }
  .hero-copy > p { font-size:14px; }
  .catalog-section { padding-top:50px; }
  .category-panel { display:none; }
  .mobile-category-row { display:grid; grid-template-columns:auto 1fr; align-items:center; gap:12px; margin-bottom:12px; padding:10px 12px; border:1px solid var(--line); border-radius:12px; background:#f8fafc; }
  .mobile-category-row label { font-size:12px; color:#667085; font-weight:750; }
  .mobile-category-row select { width:100%; height:38px; padding:0 10px; border:1px solid #d6dce5; border-radius:8px; background:#fff; color:#344054; outline:0; }
  .catalog-layout { display:block; }
  .catalog-toolbar { flex-direction:column; align-items:stretch; padding:9px; }
  .toolbar-search { min-width:0; max-width:none; width:100%; }
  .result-meta { justify-content:flex-end; padding-right:3px; }
  .desktop-table-wrap { display:none; }
  .product-cards { display:grid; gap:10px; }
  .product-card { position:relative; overflow:hidden; padding:14px; border:1px solid var(--line); border-radius:13px; background:#fff; box-shadow:0 5px 16px rgba(20,32,50,.035); }
  .product-card::after { content:"SCDL"; position:absolute; right:-8px; bottom:-14px; color:#f3f5f7; font-size:50px; font-weight:950; letter-spacing:1px; pointer-events:none; }
  .product-card-head { position:relative; z-index:1; display:flex; justify-content:space-between; gap:10px; align-items:flex-start; margin-bottom:12px; }
  .product-card-head > div { min-width:0; }
  .product-card-category { display:block; color:#7b8797; font-size:10px; line-height:1.4; }
  .product-card h3 { margin:4px 0 0; font-size:15px; line-height:1.4; }
  .mobile-diameter { flex:0 0 auto; }
  .product-card-grid { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:9px; }
  .product-card-grid div { min-width:0; padding:8px 9px; background:#f7f9fb; border-radius:8px; }
  .product-card-grid label { display:block; margin-bottom:3px; color:#8a94a3; font-size:9px; }
  .product-card-grid span { display:block; overflow-wrap:anywhere; color:#344054; font-size:11px; line-height:1.45; }
  .product-card-actions { position:relative; z-index:1; margin-top:10px; display:flex; justify-content:flex-end; }
  .product-card-actions .inquiry-btn { height:36px; min-width:108px; }
  .contact-section { padding-bottom:50px; }
  .contact-card { width:calc(100% - 28px); padding:28px 22px; }
  .contact-card h2 { font-size:24px; }
  .contact-buttons { grid-template-columns:1fr; }
  .footer-inner { padding:22px 0; align-items:flex-start; flex-direction:column; }
  .footer-meta { justify-content:flex-start; }
}
@media (max-width: 560px) {
  .shell { width:min(100% - 20px, 1440px); }
  .topbar-inner { gap:8px; }
  .brand { gap:8px; }
  .brand-mark { min-width:66px; height:36px; font-size:18px; }
  .brand-copy { display:none; }
  .lang-switch button { width:31px; }
  .hero-inner { padding-top:42px; padding-bottom:40px; }
  .hero h1 { margin-top:13px; font-size:34px; letter-spacing:-.8px; }
  .hero-search { height:auto; min-height:57px; grid-template-columns:34px 1fr; padding:6px 8px; }
  .hero-search button { display:none; }
  .hero-tags { gap:6px; }
  .hero-tags span { padding:6px 8px; }
  .hero-tags b { font-size:15px; }
  .hero-tags i { font-size:10px; }
  .catalog-section { padding:42px 0 55px; }
  .section-heading { margin-bottom:18px; }
  .section-heading h2 { font-size:28px; }
  .section-heading p { font-size:12px; }
  .mobile-category-row { grid-template-columns:1fr; gap:5px; }
  .result-meta #resultCategory { max-width:55vw; }
  .product-card-grid { grid-template-columns:1fr; }
  .contact-card { width:calc(100% - 20px); }
  .floating-whatsapp { right:14px; bottom:14px; width:50px; height:50px; }
}