:root{
  --black:#101010;
  --ink:#171717;
  --paper:#f2f2ef;
  --white:#fff;
  --line:#d9d9d4;
  --muted:#6f706c;
  --soft:#e9e9e5;
  --accent:#dd3d32;
  --blue:#183f73;
  --green:#1c9b59;
  --shadow:0 24px 70px rgba(0,0,0,.16);
  --shell:min(1280px,calc(100% - 36px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
body.locked{overflow:hidden}
button,input,select,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
[hidden]{display:none!important}
.shell{width:var(--shell);margin-inline:auto}

.announcement{background:var(--black);color:#fff;min-height:36px;display:flex;align-items:center}
.announcement-inner{display:flex;align-items:center;justify-content:center;gap:10px;font-size:12px;text-align:center}
.announcement strong{padding:4px 8px;background:var(--accent);font-size:10px;letter-spacing:.08em}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logos{display:flex;align-items:center;gap:18px;direction:ltr}
.isfar-logo{width:152px;height:48px;object-fit:contain;background:#000}
.logo-divider{width:1px;height:32px;background:var(--line)}
.keychron-logo{font-size:27px;letter-spacing:-.05em;font-weight:500}
.header-cart{border:0;background:var(--black);color:#fff;min-height:42px;padding:0 15px;display:flex;align-items:center;gap:10px;font-weight:800}
.header-cart b{min-width:23px;height:23px;border-radius:50%;background:#fff;color:var(--black);display:grid;place-items:center;font-size:11px}

.hero{background:var(--black);color:#fff;overflow:hidden}
.hero-inner{min-height:570px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(480px,1.1fr);direction:ltr}
.hero-copy{direction:rtl;display:flex;flex-direction:column;justify-content:center;padding:68px 58px 68px 0;z-index:2}
.eyebrow{margin:0 0 16px;font-size:11px;font-weight:800;letter-spacing:.16em;direction:ltr;text-align:right;color:#b8b8b3}
.eyebrow.dark{color:var(--muted)}
.hero h1{margin:0;font-size:clamp(48px,5.4vw,82px);line-height:.98;letter-spacing:-.06em}
.hero h1 span{color:#a9aaa6}
.hero-lead{max-width:560px;margin:26px 0 0;color:#d1d1cc;font-size:18px;line-height:1.75}
.hero-actions{display:flex;gap:12px;margin-top:32px}
.button{min-height:48px;padding:0 22px;border:1px solid #fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.button-light{background:#fff;color:#111}
.button-outline{background:transparent;color:#fff}
.hero-points{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.17);display:flex;flex-wrap:wrap;gap:12px 24px;color:#aaa9a5;font-size:12px}
.hero-product{direction:rtl;background:linear-gradient(145deg,#e7e7e2,#b7b8b4);display:flex;flex-direction:column;justify-content:center;padding:42px;position:relative;min-width:0}
.hero-product:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.17),transparent 28%);pointer-events:none}
.hero-image-wrap{height:390px;background:rgba(255,255,255,.58);display:grid;place-items:center;padding:34px;position:relative;z-index:1;box-shadow:0 24px 60px rgba(0,0,0,.18)}
.hero-image-wrap img{width:100%;height:100%;object-fit:contain}
.hero-caption{display:flex;align-items:end;justify-content:space-between;gap:16px;color:#111;position:relative;z-index:1;margin-top:18px;direction:ltr}
.hero-caption small{letter-spacing:.18em;font-weight:800}
.hero-caption strong{font-size:22px;letter-spacing:-.03em}

.catalog{padding-top:76px;padding-bottom:92px}
.catalog-heading{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:end;margin-bottom:26px}
.catalog-heading h2{margin:0;font-size:clamp(34px,4vw,58px);letter-spacing:-.055em;line-height:1}
.catalog-heading>p{margin:0;color:var(--muted);font-size:15px;line-height:1.75;max-width:570px}
.tools{position:sticky;top:76px;z-index:30;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:12px;padding:13px 0;background:rgba(242,242,239,.95);backdrop-filter:blur(12px)}
.search-box,.sort-box{min-height:54px;background:#fff;border:1px solid var(--line);display:flex;align-items:center}
.search-box{padding:0 16px;gap:12px}
.search-box>span{font-size:24px;line-height:1;transform:rotate(-20deg)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:16px}
.search-box button{border:0;background:transparent;font-size:25px;color:var(--muted);width:34px;height:34px}
.sort-box{padding:0 14px;gap:12px}
.sort-box span{font-size:12px;color:var(--muted);white-space:nowrap}
.sort-box select{border:0;outline:0;background:transparent;width:100%;font-weight:700}
.category-row{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}
.category-scroller{display:flex;gap:8px;overflow-x:auto;padding:3px 0;scrollbar-width:none}
.category-scroller::-webkit-scrollbar{display:none}
.category-chip{border:1px solid var(--line);background:#fff;min-height:46px;padding:0 17px;font-size:15px;font-weight:800;white-space:nowrap;color:#343431}
.category-chip.active{background:var(--black);border-color:var(--black);color:#fff}
.category-row>strong{white-space:nowrap;color:var(--muted);font-size:13px}
.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.product-card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;min-width:0;transition:.2s ease;overflow:hidden}
.product-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(0,0,0,.09)}
.product-card.has-qty{border-color:#7bc49d;box-shadow:0 0 0 1px #7bc49d inset}
.product-media{aspect-ratio:4/3;background:#f8f8f6;display:grid;place-items:center;padding:20px;position:relative;border-bottom:1px solid #edede9;overflow:hidden;cursor:zoom-in}
.product-media img{width:100%;height:100%;object-fit:contain}
.image-open{position:absolute;left:10px;bottom:10px;border:1px solid rgba(0,0,0,.13);background:rgba(255,255,255,.92);min-height:34px;padding:0 10px;font-size:11px;font-weight:800}
.selected-badge{position:absolute;right:10px;top:10px;background:var(--green);color:#fff;padding:6px 9px;font-size:10px;font-weight:800}
.product-body{padding:15px;display:flex;flex-direction:column;gap:10px;flex:1}
.product-overline{display:flex;justify-content:space-between;gap:8px;align-items:center;color:var(--muted);font-size:10px}
.product-overline span:first-child{color:var(--accent);font-weight:800}
.product-title{margin:0;font-size:15px;line-height:1.45;min-height:44px;cursor:pointer}
.product-description{margin:0;color:var(--muted);font-size:12px;line-height:1.55;min-height:56px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
.product-prices{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}
.price-box{border:1px solid var(--line);padding:9px;background:#fafaf8}
.price-box span{display:block;color:var(--muted);font-size:9px;margin-bottom:4px}
.price-box strong{font-size:18px;line-height:1}
.price-box.dealer{background:#101010;color:#fff;border-color:#101010}
.price-box.dealer span{color:#bdbdb8}
.card-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.details-button,.official-link{min-height:40px;border:1px solid var(--black);display:flex;align-items:center;justify-content:center;background:#fff;font-size:11px;font-weight:800;padding:0 8px;text-align:center}
.official-link{background:#f1f1ee;border-color:var(--line)}
.add-button{width:100%;min-height:44px;border:0;background:var(--black);color:#fff;font-weight:800}
.quantity-control{min-height:44px;display:grid;grid-template-columns:44px 1fr 44px;border:1px solid var(--black)}
.quantity-control button{border:0;background:var(--black);color:#fff;font-size:21px}
.quantity-control b{display:grid;place-items:center;background:#fff}
.empty-state{background:#fff;border:1px dashed #bbbcb7;padding:40px;text-align:center}
.empty-state strong{font-size:20px}.empty-state p{color:var(--muted)}.empty-state button{border:0;background:var(--black);color:#fff;padding:12px 18px;font-weight:800}

.service-band{background:#d8d9d5;padding:65px 0}
.service-band-inner{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:60px}
.service-band span{font-size:11px;letter-spacing:.17em;font-weight:800}
.service-band h2{margin:10px 0 0;font-size:46px;letter-spacing:-.05em}
.service-band p{margin:0;font-size:17px;line-height:1.75;max-width:600px}
.footer{background:#111;color:#fff;padding:38px 0}
.footer-inner{display:grid;grid-template-columns:1fr auto 1.3fr;gap:40px;align-items:center}
.footer p{margin:5px 0 0;color:#aaa;font-size:12px;line-height:1.6}
.contact-block span{display:block;color:#aaa;font-size:11px;margin-bottom:5px}.contact-block strong{white-space:nowrap}
.footer-note{text-align:left}

.floating-cart{position:fixed;z-index:70;right:50%;transform:translateX(50%);bottom:14px;width:min(620px,calc(100% - 24px));background:#111;color:#fff;border:0;box-shadow:0 14px 40px rgba(0,0,0,.28);min-height:64px;padding:0 18px;display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:16px;text-align:right}
.floating-cart span b,.floating-cart span small{display:block}.floating-cart span small{color:#aaa;margin-top:3px}.floating-cart>strong{font-size:22px}.floating-cart i{font-style:normal;font-size:24px}

.drawer-layer,.modal-layer{position:fixed;inset:0;z-index:100}
.drawer-backdrop,.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55)}
.cart-drawer{position:absolute;top:0;bottom:0;left:0;width:min(520px,100%);background:#fff;display:flex;flex-direction:column;box-shadow:24px 0 60px rgba(0,0,0,.25)}
.drawer-header{padding:18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-header small{font-weight:800;letter-spacing:.14em;color:var(--muted)}.drawer-header h2{margin:5px 0 0}
.icon-button{width:42px;height:42px;border:1px solid var(--line);background:#fff;font-size:25px;display:grid;place-items:center}
.drawer-body{padding:17px;overflow:auto;flex:1}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.section-title h3{margin:0;font-size:17px}.section-title span{font-size:10px;color:var(--muted)}
.text-button{border:0;background:transparent;font-size:11px;font-weight:800}.danger{color:#b43636}
.cart-item{display:grid;grid-template-columns:66px 1fr auto;gap:10px;align-items:center;border-bottom:1px solid #ecece8;padding:10px 0}
.cart-item img{width:66px;height:55px;object-fit:contain;background:#f5f5f2}
.cart-item h4{margin:0;font-size:12px;line-height:1.35}.cart-item small{color:var(--muted);font-size:10px}.cart-item>strong{white-space:nowrap;font-size:13px}
.cart-item-controls{display:flex;gap:5px;margin-top:6px}.cart-item-controls button{border:0;background:#ecece8;width:28px;height:28px;font-weight:800}.cart-item-controls b{width:30px;display:grid;place-items:center;font-size:12px}
.cart-empty{border:1px dashed var(--line);padding:30px;text-align:center;color:var(--muted)}.cart-empty strong{color:#222}.cart-empty p{font-size:12px}
.customer-section{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field{display:grid;gap:5px}.field.full{grid-column:1/-1}.field span{font-size:11px;font-weight:800}.field input,.field textarea{border:1px solid var(--line);background:#fff;padding:11px;outline:0}.field textarea{resize:vertical}
.order-summary{margin-top:22px;background:#111;color:#fff;padding:15px}.order-summary>div{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px}.order-summary .summary-total{font-size:19px;padding-top:10px;border-top:1px solid rgba(255,255,255,.2)}.order-summary small{color:#aaa}
.drawer-footer{border-top:1px solid var(--line);padding:14px}.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-actions button{min-height:46px;border:0;font-weight:800}.copy-button{background:#e8e8e4}.whatsapp-button{background:#1fa85e;color:#fff}.drawer-footer>small{display:block;margin-top:8px;color:var(--muted);text-align:center}.validation-message{margin:0 0 8px;color:#b43636;font-size:12px;min-height:16px}

.modal-layer{display:grid;place-items:center;padding:22px}
.product-modal{position:relative;width:min(1120px,100%);max-height:92vh;background:#fff;box-shadow:var(--shadow);display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden;z-index:1;direction:ltr}
.modal-close{position:absolute;top:12px;left:12px;z-index:5}
.modal-media{direction:rtl;background:#f1f1ee;padding:38px 26px 24px;display:flex;flex-direction:column;min-width:0;overflow:auto}
.modal-main-image{min-height:420px;height:52vh;max-height:520px;background:#fff;display:grid;place-items:center;padding:24px}
.modal-main-image img{width:100%;height:100%;object-fit:contain}
.modal-gallery{display:flex;gap:8px;overflow-x:auto;padding:12px 0 2px}
.gallery-button{width:76px;height:58px;border:1px solid var(--line);background:#fff;padding:4px;flex:0 0 auto}.gallery-button.active{border:2px solid #111}.gallery-button img{width:100%;height:100%;object-fit:contain}
.modal-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.modal-links a{min-height:42px;border:1px solid #111;background:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;text-align:center;padding:6px}
.modal-content{direction:rtl;padding:52px 38px 34px;overflow:auto;min-width:0}
.modal-category{display:inline-block;color:var(--accent);font-size:11px;font-weight:800;margin-bottom:10px}
.modal-content h2{margin:0;font-size:32px;line-height:1.25;letter-spacing:-.035em}
.modal-description{color:var(--muted);font-size:15px;line-height:1.75;margin:18px 0}
.spec-list{display:flex;flex-wrap:wrap;gap:7px}.spec-list span{border:1px solid var(--line);background:#f7f7f4;padding:7px 10px;font-size:11px;font-weight:700}
.product-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}.product-meta div{border-top:1px solid var(--line);padding-top:10px}.product-meta dt{color:var(--muted);font-size:10px}.product-meta dd{margin:5px 0 0;font-size:13px;font-weight:700;direction:ltr;text-align:right}
.modal-prices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.modal-prices>div{padding:14px;border:1px solid var(--line)}.modal-prices span{display:block;font-size:11px;margin-bottom:7px}.modal-prices strong{font-size:27px}.dealer-price{background:#111;color:#fff}.dealer-price span{color:#bdbdb8}
.modal-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.product-page-link{min-height:46px;border:1px solid #111;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}.modal-buttons .quantity-control,.modal-buttons .add-button{height:46px}
.recommendations{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.recommendations-heading span{display:block;font-size:17px;font-weight:800}.recommendations-heading small{color:var(--muted);font-size:11px}.recommendation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.recommendation-card{border:1px solid var(--line);padding:8px;min-width:0}.recommendation-card img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#f7f7f4}.recommendation-card h4{margin:7px 0;font-size:10px;line-height:1.35;min-height:28px}.recommendation-card strong{font-size:13px}.recommendation-card button{width:100%;border:0;background:#111;color:#fff;min-height:34px;margin-top:7px;font-size:10px;font-weight:800}
.toast{position:fixed;z-index:200;bottom:90px;right:50%;transform:translateX(50%) translateY(10px);opacity:0;background:#111;color:#fff;padding:10px 16px;font-size:12px;transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translateX(50%) translateY(0)}

@media(max-width:1050px){.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero-inner{grid-template-columns:.9fr 1.1fr}.hero-copy{padding-right:30px}.product-modal{grid-template-columns:1fr 1fr}.modal-content{padding-inline:25px}}
@media(max-width:760px){
  :root{--shell:calc(100% - 20px)}
  .announcement-inner{font-size:10px;line-height:1.35;padding:6px 0}.announcement strong{display:none}
  .header-inner{height:64px}.isfar-logo{width:118px;height:34px}.logo-divider{height:26px}.keychron-logo{font-size:21px}.header-cart{min-height:38px;padding:0 11px}
  .hero-inner{min-height:auto;display:flex;flex-direction:column-reverse}
  .hero-product{padding:16px 14px 14px;min-height:272px}
  .hero-image-wrap{height:220px;padding:14px;box-shadow:none}
  .hero-caption{margin-top:8px}.hero-caption strong{font-size:16px}
  .hero-copy{padding:28px 2px 34px}.hero h1{font-size:44px}.hero-lead{font-size:15px;line-height:1.65;margin-top:18px}.hero-actions{margin-top:22px}.button{min-height:44px;padding:0 16px}.hero-points{margin-top:24px;padding-top:16px;gap:8px 18px}
  .catalog{padding-top:48px;padding-bottom:65px}.catalog-heading{grid-template-columns:1fr;gap:14px}.catalog-heading h2{font-size:38px}.catalog-heading>p{font-size:13px}
  .tools{top:64px;grid-template-columns:1fr;padding:9px 0}.search-box,.sort-box{min-height:48px}.sort-box{display:none}
  .category-row{align-items:flex-start;flex-direction:column;gap:8px}.category-scroller{width:100%}.category-chip{min-height:48px;font-size:16px;padding:0 18px}.category-row>strong{padding-right:2px}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .product-media{padding:10px}.image-open{display:none}.product-body{padding:10px;gap:7px}.product-overline{font-size:8px}.product-title{font-size:12px;min-height:52px;line-height:1.4}.product-description{font-size:10px;min-height:47px;-webkit-line-clamp:3}.price-box{padding:7px}.price-box span{font-size:8px}.price-box strong{font-size:15px}.card-actions{grid-template-columns:1fr}.details-button,.official-link{min-height:37px;font-size:10px}.official-link{display:none}.add-button,.quantity-control{min-height:43px}
  .service-band{padding:44px 0}.service-band-inner{grid-template-columns:1fr;gap:16px}.service-band h2{font-size:38px}.service-band p{font-size:14px}
  .footer-inner{grid-template-columns:1fr;gap:20px}.footer-note{text-align:right}.contact-block strong{white-space:normal}
  .floating-cart{bottom:8px;min-height:60px}
  .modal-layer{padding:0;align-items:end}.product-modal{width:100%;max-height:96vh;grid-template-columns:1fr;overflow:auto}.modal-close{position:absolute;top:10px;left:10px;background:#fff;box-shadow:0 4px 18px rgba(0,0,0,.12)}.modal-media{padding:16px 10px 12px;overflow:visible}.modal-main-image{height:310px;min-height:310px;max-height:none;padding:12px}.modal-gallery{padding-top:8px}.modal-links{margin-top:7px}.modal-links a{min-height:40px;font-size:10px}.modal-content{padding:22px 14px 26px;overflow:visible}.modal-content h2{font-size:25px}.modal-description{font-size:13px;margin:13px 0}.modal-prices strong{font-size:22px}.modal-buttons{grid-template-columns:1fr}.recommendation-grid{grid-template-columns:repeat(2,1fr)}
  .cart-drawer{width:100%}.drawer-body{padding:12px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
}
@media(max-width:390px){.hero h1{font-size:39px}.product-title{font-size:11px}.price-box strong{font-size:14px}.product-body{padding:8px}.modal-main-image{height:275px;min-height:275px}}