/*
Theme Name: STGDT Fast
Theme URI: https://sieuthigiaydantuong.net
Author: Sieu Thi Giay Dan Tuong
Description: Theme toc do cao cho website ban & thi cong giay dan tuong. Khong dung JavaScript, toi uu HTML/CSS, ho tro WooCommerce.
Version: 1.0.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: stgdt-fast
*/

:root{
  --red:#dd2727;
  --red-d:#b71c1c;
  --dark:#141414;
  --ink:#222;
  --gray:#666;
  --line:#e8e8e8;
  --bg:#f6f6f6;
  --rad:8px;
  --wrap:1200px;
  --shadow:0 2px 10px rgba(0,0,0,.07);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.btn{display:inline-block;padding:12px 26px;border-radius:var(--rad);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.3px;border:2px solid transparent;transition:background .2s,color .2s,border-color .2s;cursor:pointer;text-align:center}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-d)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--dark)}
.btn-line{border-color:var(--line);color:var(--ink);font-weight:600}
.btn-line:hover{border-color:var(--red);color:var(--red)}
.sec{padding:56px 0}
.sec-alt{background:var(--bg)}
.sec-head{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:34px;position:relative}
.sec-title{font-size:26px;font-weight:800;text-transform:uppercase;text-align:center;color:var(--dark)}
.sec-title em{color:var(--red);font-style:normal}
.sec-more{position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:13px;font-weight:700;border:1px solid var(--line);border-radius:20px;padding:7px 16px;background:#fff}
.sec-more:hover{border-color:var(--red);color:var(--red)}
.ico{width:1em;height:1em;display:inline-block;vertical-align:-.12em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Topbar ---------- */
.topbar{background:var(--dark);color:#ddd;font-size:12.5px}
.topbar-in{display:flex;justify-content:space-between;gap:12px;padding:7px 16px;max-width:var(--wrap);margin:0 auto;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.topbar-in::-webkit-scrollbar{display:none}
.topbar-in span{display:inline-flex;align-items:center;gap:6px}
.topbar .ico{color:var(--red);font-size:14px}

/* ---------- Header ---------- */
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:99;box-shadow:0 1px 6px rgba(0,0,0,.05)}
.head-in{display:flex;align-items:center;gap:20px;padding:10px 16px;max-width:var(--wrap);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand img{max-height:52px;width:auto}
.brand-name{font-weight:800;font-size:19px;color:var(--red);text-transform:uppercase;line-height:1.15}
.brand-name small{display:block;font-size:11px;color:var(--ink);font-weight:600;letter-spacing:.5px}
.main-nav{flex:1}
.main-nav>ul{display:flex;justify-content:center;flex-wrap:wrap}
.main-nav a{display:block;padding:12px 13px;font-weight:700;font-size:13.5px;text-transform:uppercase}
.main-nav li.current-menu-item>a,.main-nav a:hover{color:var(--red)}
.main-nav li{position:relative}
.main-nav li.menu-item-has-children>a::after{content:"▾";margin-left:4px;font-size:10px}
.main-nav .sub-menu{position:absolute;left:0;top:100%;background:#fff;min-width:230px;box-shadow:var(--shadow);border-radius:0 0 var(--rad) var(--rad);opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;z-index:50}
.main-nav li:hover>.sub-menu,.main-nav li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}
.main-nav .sub-menu a{padding:10px 16px;font-size:13px;text-transform:none;border-bottom:1px solid var(--bg)}
.main-nav .sub-menu .sub-menu{left:100%;top:0}
.head-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.hotline{display:flex;align-items:center;gap:8px;line-height:1.2}
.hotline .ico{font-size:26px;color:var(--red)}
.hotline b{color:var(--red);font-size:17px;display:block}
.hotline small{font-size:11px;color:var(--gray)}
.head-cta .btn{padding:10px 16px;font-size:12px}
.nav-toggle{display:none}
.nav-burger{display:none;font-size:26px;cursor:pointer;padding:4px 10px;border:1px solid var(--line);border-radius:6px;line-height:1}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.hero-in{position:relative;max-width:var(--wrap);margin:0 auto;padding:84px 16px;max-width:var(--wrap)}
.hero-txt{max-width:560px}
.hero-kicker{font-size:20px;font-weight:800;text-transform:uppercase;letter-spacing:1px}
.hero-title{font-size:44px;font-weight:900;text-transform:uppercase;color:var(--red);margin:6px 0 2px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.hero-sub{font-size:24px;font-weight:800;text-transform:uppercase;margin-bottom:14px}
.hero-desc{color:#e5e5e5;margin:0 0 26px;font-size:15.5px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- USP strip ---------- */
.usp{border-bottom:1px solid var(--line)}
.usp-in{display:grid;grid-template-columns:repeat(6,1fr);max-width:var(--wrap);margin:0 auto}
.usp-item{display:flex;align-items:center;gap:10px;padding:18px 14px;border-left:1px solid var(--line)}
.usp-item:first-child{border-left:0}
.usp-item .ico{font-size:30px;color:var(--red);flex-shrink:0}
.usp-item b{font-size:13px;text-transform:uppercase;display:block;line-height:1.25}
.usp-item small{font-size:12px;color:var(--gray)}

/* ---------- Category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.cat-card{position:relative;border-radius:var(--rad);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.cat-card img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .3s}
.cat-card:hover img{transform:scale(1.06)}
.cat-card figcaption{position:absolute;left:0;right:0;bottom:0;background:rgba(20,20,20,.82);color:#fff;font-size:12.5px;font-weight:700;text-transform:uppercase;text-align:center;padding:9px 6px;line-height:1.3}

/* ---------- Product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s}
.p-card:hover{box-shadow:0 6px 18px rgba(0,0,0,.12)}
.p-thumb{position:relative;display:block}
.p-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover}
.p-badge{position:absolute;top:8px;left:8px;background:var(--red);color:#fff;font-size:10.5px;font-weight:800;padding:3px 8px;border-radius:3px;text-transform:uppercase}
.p-body{padding:12px;display:flex;flex-direction:column;flex:1;gap:4px}
.p-name{font-size:13.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.p-name:hover{color:var(--red)}
.p-price{color:var(--red);font-weight:800;font-size:15px}
.p-price del{color:var(--gray);font-weight:400;font-size:12px;margin-right:6px}
.p-sku{font-size:11.5px;color:var(--gray)}
.p-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto;padding-top:8px}
.p-btns .btn{padding:8px 4px;font-size:11px}

/* ---------- Services ---------- */
.svc{display:grid;grid-template-columns:340px 1fr;gap:30px;align-items:center}
.svc-intro h2{font-size:24px;font-weight:800;text-transform:uppercase}
.svc-intro h2 em{color:var(--red);font-style:normal}
.svc-intro p{color:var(--gray);font-size:14.5px}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.svc-item{background:#fff;padding:22px 16px;text-align:center}
.svc-item .ico{font-size:34px;color:var(--red)}
.svc-item b{display:block;font-size:14px;margin:10px 0 4px;text-transform:capitalize}
.svc-item small{color:var(--gray);font-size:12.5px;line-height:1.45;display:block}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;position:relative}
.steps::before{content:"";position:absolute;top:24px;left:8%;right:8%;border-top:2px dashed #f0b9b9}
.step{text-align:center;position:relative}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;position:relative;box-shadow:0 0 0 5px #fdeaea}
.step b{font-size:13.5px;display:block;text-transform:capitalize}
.step small{color:var(--gray);font-size:12px;line-height:1.4;display:block;margin-top:4px}

/* ---------- Projects (CSS scroll-snap) ---------- */
.proj-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 64px)/5);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:thin}
.proj-card{scroll-snap-align:start;border-radius:var(--rad);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.proj-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.proj-card figcaption{padding:10px;font-size:13px;font-weight:700;text-align:center}

/* ---------- Why us ---------- */
.why{display:grid;grid-template-columns:340px 1fr;gap:30px;align-items:center}
.why h2{font-size:24px;font-weight:800;text-transform:uppercase;margin-bottom:16px}
.why-list li{display:flex;gap:9px;font-size:14px;margin-bottom:9px;align-items:flex-start}
.why-list .ico{color:var(--red);font-size:17px;margin-top:3px;flex-shrink:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--rad);text-align:center;padding:26px 12px}
.stat .ico{font-size:36px;color:var(--red)}
.stat b{display:block;font-size:26px;font-weight:900;color:var(--dark);margin:8px 0 2px}
.stat small{color:var(--gray);font-size:13px}

/* ---------- Testimonials ---------- */
.tsm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tsm{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:22px}
.tsm-stars{color:#f5a623;font-size:15px;letter-spacing:2px;margin-bottom:10px}
.tsm p{font-size:14px;color:#444;font-style:italic;margin:0 0 16px}
.tsm-who{display:flex;align-items:center;gap:10px}
.tsm-ava{width:40px;height:40px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px}
.tsm-who b{font-size:13.5px}
.tsm-who small{display:block;color:var(--gray);font-size:12px}

/* ---------- Blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.b-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.b-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.b-card h3{font-size:13px;font-weight:700;padding:12px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.b-card h3:hover{color:var(--red)}

/* ---------- Footer ---------- */
.site-foot{background:var(--dark);color:#c9c9c9;font-size:13.5px;margin-top:56px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:30px;padding:48px 16px;max-width:var(--wrap);margin:0 auto}
.foot-in h4{color:#fff;font-size:14px;text-transform:uppercase;margin-bottom:16px;letter-spacing:.5px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand img{max-height:46px;width:auto;background:#fff;border-radius:6px;padding:3px}
.foot-brand b{color:var(--red);text-transform:uppercase;font-size:16px;line-height:1.2}
.foot-brand b small{display:block;color:#fff;font-size:10.5px;letter-spacing:.5px}
.foot-contact li{display:flex;gap:9px;margin-bottom:9px;align-items:flex-start}
.foot-contact .ico{color:var(--red);margin-top:4px;flex-shrink:0}
.foot-links li{margin-bottom:9px}
.foot-links a:hover{color:#fff}
.foot-bottom{border-top:1px solid #2b2b2b;text-align:center;padding:16px;font-size:12.5px;color:#8d8d8d}
.foot-bottom a{color:#c9c9c9}

/* ---------- Floating contact ---------- */
.float-contact{position:fixed;right:14px;bottom:20px;z-index:98;display:flex;flex-direction:column;gap:10px}
.fc-btn{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;box-shadow:0 4px 12px rgba(0,0,0,.25);font-weight:800}
.fc-call{background:var(--red);animation:fc-pulse 1.6s infinite}
.fc-zalo{background:#0068ff;font-size:11px;letter-spacing:.5px}
.fc-mess{background:#7b3ff2;background:linear-gradient(45deg,#0099ff,#a033ff)}
.fc-top{background:#555;font-size:16px}
@keyframes fc-pulse{0%{box-shadow:0 0 0 0 rgba(221,39,39,.55)}70%{box-shadow:0 0 0 14px rgba(221,39,39,0)}100%{box-shadow:0 0 0 0 rgba(221,39,39,0)}}

/* ---------- Inner pages / Woo wrapper ---------- */
.page-main{padding:40px 0}
.page-main .entry-title{font-size:28px;margin-bottom:20px}
.woocommerce .page-main ul.products li.product a img{border:1px solid var(--line);border-radius:var(--rad)}
.woocommerce .page-main ul.products li.product .woocommerce-loop-product__title{font-size:14px;font-weight:600;line-height:1.35}
.woocommerce .page-main ul.products li.product .woocommerce-loop-product__title:hover{color:var(--red)}
.woocommerce .page-main ul.products li.product .price,
.woocommerce .page-main div.product p.price{color:var(--red);font-weight:800}
.woocommerce .page-main a.button,
.woocommerce .page-main button.button,
.woocommerce .page-main input.button,
.woocommerce #respond input#submit{background:var(--red);color:#fff;border-radius:var(--rad);font-weight:700}
.woocommerce .page-main a.button:hover,
.woocommerce .page-main button.button:hover{background:var(--red-d);color:#fff}
.woocommerce .page-main span.onsale{background:var(--red)}
.woocommerce .page-main .woocommerce-pagination ul li a:focus,
.woocommerce .page-main .woocommerce-pagination ul li a:hover,
.woocommerce .page-main .woocommerce-pagination ul li span.current{background:var(--red);color:#fff}
.woocommerce .page-main .woocommerce-breadcrumb{font-size:13px;color:var(--gray)}
.woocommerce .page-main .woocommerce-breadcrumb a{color:var(--gray)}
.woocommerce .page-main .woocommerce-breadcrumb a:hover{color:var(--red)}
.page-main .woocommerce-products-header__title{font-size:26px;font-weight:800;text-transform:uppercase;margin-bottom:18px}

/* ---------- Banner trang trong ---------- */
.page-banner{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.page-banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.page-banner-in{position:relative;padding:52px 16px}
.page-banner h1{font-size:34px;font-weight:900;text-transform:uppercase;margin-bottom:8px}
.crumb{font-size:13px;color:#ddd}
.crumb a{color:#ddd}
.crumb a:hover{color:#fff}
.crumb span{color:var(--red)}
.page-main .crumb{color:var(--gray);margin-bottom:18px}
.page-main .crumb a{color:var(--gray)}
.page-main .crumb a:hover{color:var(--red)}

/* ---------- Trang danh muc ---------- */
.arch-sec-title{font-size:20px;font-weight:800;text-transform:uppercase;margin:30px 0 18px;padding-left:12px;border-left:4px solid var(--red)}
.cat-grid-5{grid-template-columns:repeat(5,1fr)}
.cat-grid-5 .cat-card img{aspect-ratio:4/3}
.cat-card figcaption small{display:block;font-weight:400;font-size:11px;color:#ccc;text-transform:none;margin-top:2px}
.arch-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.a-card{background:#fff;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s;text-align:center}
.a-card:hover{box-shadow:0 6px 18px rgba(0,0,0,.12)}
.a-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover}
.a-name{font-size:13.5px;font-weight:600;line-height:1.35;padding:10px 10px 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.a-name:hover{color:var(--red)}
.a-btn{margin:8px 10px 12px;padding:8px 6px;font-size:11.5px}
.arch-pagi{margin-top:28px;text-align:center}
.arch-pagi .nav-links{display:inline-flex;gap:6px}
.arch-pagi .page-numbers{display:inline-block;min-width:36px;padding:7px 10px;border:1px solid var(--line);border-radius:6px;font-size:13.5px;font-weight:600;background:#fff}
.arch-pagi .page-numbers.current,.arch-pagi .page-numbers:hover{background:var(--red);border-color:var(--red);color:#fff}
.arch-pagi .page-numbers.dots{border:0;background:none}

/* ---------- Trang san pham don ---------- */
.sp-top{display:grid;grid-template-columns:44% 1fr;gap:36px;margin-top:6px}
.sp-gallery{position:relative}
.sp-gallery .p-badge{z-index:5}
.spg-radio{position:absolute;opacity:0;pointer-events:none}
.spg-mains,.spg-main-single{border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;background:#fff}
.spg-main{display:none}
.spg-main img,.spg-main-single img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
#spg-0:checked~.spg-mains .spg-main-0,#spg-1:checked~.spg-mains .spg-main-1,#spg-2:checked~.spg-mains .spg-main-2,#spg-3:checked~.spg-mains .spg-main-3,#spg-4:checked~.spg-mains .spg-main-4{display:block}
.spg-thumbs{display:flex;gap:10px;margin-top:10px}
.spg-thumb{width:72px;border:2px solid var(--line);border-radius:6px;overflow:hidden;cursor:pointer;flex-shrink:0}
.spg-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
#spg-0:checked~.spg-thumbs .spg-thumb-0,#spg-1:checked~.spg-thumbs .spg-thumb-1,#spg-2:checked~.spg-thumbs .spg-thumb-2,#spg-3:checked~.spg-thumbs .spg-thumb-3,#spg-4:checked~.spg-thumbs .spg-thumb-4{border-color:var(--red)}
.sp-title{font-size:26px;font-weight:800;margin-bottom:10px}
.sp-meta{font-size:14px;color:var(--gray);margin:0 0 14px}
.sp-meta a:hover{color:var(--red)}
.sp-sep{margin:0 10px;color:var(--line)}
.sp-stock{color:#1a8a3c}
.sp-price{margin-bottom:16px}
.sp-price span{font-size:28px;font-weight:900;color:var(--red)}
.sp-price small{display:block;color:var(--gray);font-size:12.5px;margin-top:2px}
.sp-price del{color:var(--gray);font-weight:400;font-size:18px;margin-right:8px}
.sp-specs{margin-bottom:20px}
.sp-specs li{display:flex;gap:9px;align-items:flex-start;font-size:14px;margin-bottom:8px}
.sp-specs .ico{color:var(--red);font-size:16px;margin-top:3px;flex-shrink:0}
.sp-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.sp-btns .btn{min-width:190px}
.btn-zline{border-color:#0068ff;color:#0068ff}
.btn-zline:hover{background:#0068ff;color:#fff}
.sp-mini-usp{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--gray);border-top:1px dashed var(--line);padding-top:14px}
.sp-mini-usp .ico{color:var(--red);margin-right:4px}
.sp-usp{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;margin:34px 0}
.sp-usp-item{background:#fff;padding:16px;display:flex;gap:10px;align-items:center}
.sp-usp-item .ico{font-size:28px;color:var(--red);flex-shrink:0}
.sp-usp-item b{font-size:13.5px;display:block}
.sp-usp-item small{color:var(--gray);font-size:12px}

/* ---------- Tabs CSS thuan ---------- */
.sptab-radio{position:absolute;opacity:0;pointer-events:none}
.sp-tabs{position:relative;margin-bottom:10px}
.sptab-nav{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:18px;flex-wrap:wrap}
.sptab-nav label{padding:11px 20px;font-weight:700;font-size:14px;text-transform:uppercase;cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;color:var(--gray)}
#sptab-1:checked~.sptab-nav label[for=sptab-1],#sptab-2:checked~.sptab-nav label[for=sptab-2],#sptab-3:checked~.sptab-nav label[for=sptab-3]{color:var(--red);border-bottom-color:var(--red)}
.sptab-panel{display:none;font-size:14.5px;line-height:1.75;color:#333}
.sptab-panel h2,.sptab-panel h3{margin:16px 0 8px}
.sptab-panel img{border-radius:var(--rad);margin:10px 0}
.sptab-panel ol,.sptab-panel ul{padding-left:22px;list-style:revert}
.sptab-panel li{margin-bottom:8px}
#sptab-1:checked~.sptab-panel-1,#sptab-2:checked~.sptab-panel-2,#sptab-3:checked~.sptab-panel-3{display:block}
.sp-review{border-bottom:1px solid var(--bg);padding:12px 0}
.sp-review p{margin:4px 0 0;font-size:14px}

/* ---------- San pham lien quan ---------- */
.rel-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 64px)/5);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:thin}
.rel-track .a-card{scroll-snap-align:start}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .prod-grid,.cat-grid{grid-template-columns:repeat(4,1fr)}
  .arch-grid,.cat-grid-5{grid-template-columns:repeat(3,1fr)}
  .rel-track{grid-auto-columns:calc((100% - 32px)/3)}
  .sp-usp{grid-template-columns:repeat(2,1fr)}
  .proj-track{grid-auto-columns:calc((100% - 32px)/3)}
  .blog-grid{grid-template-columns:repeat(3,1fr)}
  .usp-in{grid-template-columns:repeat(3,1fr)}
  .usp-item:nth-child(4){border-left:0}
  .steps{grid-template-columns:repeat(3,1fr);gap:24px}
  .steps::before{display:none}
  .hotline{display:none}
}
@media(max-width:900px){
  .nav-burger{display:block;order:3;margin-left:auto}
  .head-cta{order:2;margin-left:auto}
  .head-cta .btn{display:none}
  .main-nav{order:4;flex-basis:100%;display:none}
  .nav-toggle:checked~.main-nav{display:block}
  .main-nav>ul{flex-direction:column}
  .main-nav a{border-bottom:1px solid var(--bg);padding:12px 4px}
  .main-nav .sub-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding-left:18px;display:block}
  .svc,.why{grid-template-columns:1fr}
  .sp-top{grid-template-columns:1fr}
  .page-banner h1{font-size:26px}
  .hero-title{font-size:32px}
  .hero-sub{font-size:19px}
  .hero-in{padding:56px 16px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .tsm-grid{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .prod-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .arch-grid,.cat-grid-5{grid-template-columns:repeat(2,1fr)}
  .rel-track{grid-auto-columns:calc((100% - 16px)/2)}
  .sp-btns .btn{flex:1;min-width:0}
  .sp-title{font-size:20px}
  .blog-grid{grid-template-columns:repeat(2,1fr)}
  .usp-in{grid-template-columns:repeat(2,1fr)}
  .usp-item{border-left:0}
  .proj-track{grid-auto-columns:calc((100% - 16px)/1.5)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:1fr 1fr}
  .sec{padding:38px 0}
  .sec-title{font-size:20px}
  .sec-more{position:static;transform:none;display:inline-block;margin-top:10px}
  .sec-head{flex-direction:column;gap:4px}
  .foot-in{grid-template-columns:1fr}
  .hero-title{font-size:26px}
}