/*
Theme Name: Lan Trường
Theme URI: https://vatlieulantruong.com.vn
Description: Theme WordPress PHP native cho Vật Liệu Lan Trường — vật liệu xây dựng (gỗ). Giao diện dựng từ mockup: 10 section trang chủ, font Montserrat, tông cam + vân gỗ. Backend (CPT san-pham, ACF, import) tái dùng.
Author: Lan Trường
Version: 1.2.1
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: lantruong
*/

/* ================= BRAND TOKENS (từ Ma mau.png) ================= */
:root{
  --brand:#ef873a;          /* cam chủ đạo */
  --brand-2:#f39b4c;
  --brand-light:#fcb560;
  --brand-yellow:#fef490;
  --brand-dark:#ab5526;     /* nâu cam đậm */
  --ink:#191919;
  --white:#ffffff;
  --grad:linear-gradient(135deg,#fcb560 0%,#ef873a 55%,#ab5526 130%);
  --grad-soft:linear-gradient(135deg,#fef490 0%,#fcb560 100%);

  --text:#191919; --text-muted:#6b6b6b; --border:#e3ddd5;
  --bg:#ffffff; --bg-soft:#f7f3ee; --bg-warm:#f3ebe1;
  --shadow:0 6px 18px rgba(25,25,25,.06);
  --shadow-lg:0 14px 34px rgba(171,85,38,.12);
  --container:1280px; --radius:6px;
  --ease:.24s cubic-bezier(.2,.7,.2,1);

  /* vân gỗ tinh tế — dùng ở hero/banner/footer */
  --wood:
    repeating-linear-gradient(92deg,
      rgba(90,54,28,.05) 0px, rgba(90,54,28,.05) 2px,
      rgba(120,72,38,.02) 2px, rgba(120,72,38,.02) 5px,
      rgba(70,40,20,.06) 5px, rgba(70,40,20,.06) 6px,
      transparent 6px, transparent 14px);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:"Montserrat",system-ui,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}
h1,h2,h3,h4,p{margin:0;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.section{padding:84px 0;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-dark);margin-bottom:14px;
}
.h2{font-size:30px;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.lead{color:var(--text-muted);font-size:16px;max-width:620px;}
.center{text-align:center;margin-left:auto;margin-right:auto;}

/* Phosphor icons (SVG sprite inline) */
.icon{width:1.15em;height:1.15em;display:inline-block;vertical-align:-0.18em;fill:none;stroke:currentColor;stroke-width:18;stroke-linecap:round;stroke-linejoin:round;flex:none;}
.icon.fill{fill:currentColor;stroke:none;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  padding:12px 22px;border-radius:6px;border:1.5px solid transparent;cursor:pointer;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);}
.btn-outline-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-outline-w:hover{background:#fff;color:var(--ink);}
.btn.sm{padding:9px 16px;font-size:14px;}

/* ============ 1. HEADER ============ */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);}
.header-in{display:flex;align-items:center;height:80px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:46px;width:auto;}
.brand .bn{font-weight:700;font-size:17px;line-height:1.1;letter-spacing:.02em;color:var(--ink);}
.brand .bn small{display:block;font-weight:500;font-size:10.5px;letter-spacing:.2em;color:var(--brand-dark);}
nav.menu{margin-left:auto;}
.menu-list,.sub-menu{list-style:none;margin:0;padding:0;}
.menu-list{display:flex;align-items:center;gap:28px;}
.menu-item{position:relative;}
.menu-list > .menu-item > a{display:inline-flex;align-items:center;gap:5px;font-size:15px;font-weight:500;color:#333;position:relative;padding:6px 0;}
.menu-list > .menu-item > a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--brand);transition:width var(--ease);}
.menu-list > .menu-item:hover > a,.menu-list > .menu-item.is-current > a{color:var(--brand-dark);}
.menu-list > .menu-item:hover > a::after,.menu-list > .menu-item.is-current > a::after{width:100%;}
.menu-item .caret{width:.8em;height:.8em;transition:transform var(--ease);}
.menu-list > .menu-item:hover > a .caret{transform:rotate(180deg);}
.sub-toggle{display:none;}

/* dropdown (desktop): mở khi hover hoặc focus bàn phím */
.sub-menu{position:absolute;top:calc(100% + 14px);left:-14px;z-index:60;min-width:220px;padding:8px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;}
.sub-menu::before{content:"";position:absolute;left:0;right:0;top:-16px;height:16px;} /* cầu nối hover */
.menu-item:hover > .sub-menu,.menu-item:focus-within > .sub-menu{opacity:1;visibility:visible;transform:none;}
.sub-menu a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 12px;border-radius:4px;font-size:14.5px;font-weight:500;color:#333;white-space:nowrap;transition:background var(--ease),color var(--ease);}
.sub-menu a:hover,.sub-menu .is-current > a{background:var(--bg-soft);color:var(--brand-dark);}
.sub-menu .sub-menu{top:-9px;left:100%;margin-left:8px;}
.sub-menu .sub-menu::before{top:0;bottom:0;left:-10px;right:auto;width:10px;height:auto;}
.hotline-btn{margin-left:10px;white-space:nowrap;}
.hotline-btn .lbl{font-weight:500;opacity:.9;font-size:13px;}
.hotline-btn b{font-weight:700;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink);padding:6px;}
.nav-toggle .icon{width:26px;height:26px;}

/* ============ 2. HERO slideshow ============ */
.hero{position:relative;height:72vh;min-height:420px;overflow:hidden;background:#111;}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center;}
.slide.on{opacity:1;}
.slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(25,25,25,.35),rgba(25,25,25,.05));}
.s1{background-image:linear-gradient(120deg,#3a2c1e,#6b4a2e);}
.s2{background-image:linear-gradient(120deg,#4a3826,#8a5a34);}
.s3{background-image:linear-gradient(120deg,#2c241c,#7a5230);}
.slide.s1::before,.slide.s2::before,.slide.s3::before{content:"";position:absolute;inset:0;background:var(--wood);opacity:.5;z-index:1;}
.hero .dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:9px;z-index:3;}
.hero .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:var(--ease);}
.hero .dots i.on{background:var(--brand);}
.hero .nav-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:6px;background:rgba(255,255,255,.12);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.28);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:3;transition:var(--ease);}
.hero .nav-arrow:hover{background:var(--brand);border-color:var(--brand);}
.hero .nav-arrow.l{left:24px;} .hero .nav-arrow.r{right:24px;}
.hero .nav-arrow .icon{width:20px;height:20px;}

/* ============ 3. TRUST BAR ============ */
.trust{background:#fff;border-bottom:1px solid var(--border);}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);}
.trust .cell{padding:26px 16px;text-align:center;border-right:1px solid var(--border);}
.trust .cell:last-child{border-right:0;}
.trust .num{font-size:30px;font-weight:700;line-height:1;color:var(--brand-dark);}
.trust .cap{font-size:13.5px;font-weight:500;margin-top:6px;color:var(--text-muted);}

/* ============ 4. ABOUT ============ */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;}
.about-grid p{color:var(--text-muted);margin-top:16px;font-size:16px;}
.about-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:linear-gradient(120deg,#e9ddd0,#cbb49c);display:flex;align-items:center;justify-content:center;color:#7a5c3f;font-weight:600;}
.checklist{margin-top:20px;display:grid;gap:11px;padding:0;}
.checklist li{list-style:none;display:flex;gap:11px;align-items:flex-start;font-weight:500;}
.checklist .ic{flex:0 0 22px;height:22px;border-radius:4px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;margin-top:1px;}
.checklist .ic .icon{width:14px;height:14px;stroke-width:24;}

/* ============ 5. CTA BOX ============ */
.cta-wrap{padding:32px 0;}
.cta-box{background:var(--ink);border-radius:var(--radius);padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden;border-left:4px solid var(--brand);}
.cta-box::before{content:"";position:absolute;inset:0;background:var(--wood);opacity:.4;}
.cta-box h3{color:#fff;font-size:23px;font-weight:700;position:relative;}
.cta-box p{color:rgba(255,255,255,.66);margin-top:6px;position:relative;font-size:15px;}
.cta-box .actions{display:flex;gap:12px;position:relative;flex-wrap:wrap;}

/* ============ 6. PRODUCTS ============ */
.bg-soft{background:var(--bg-soft);}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px;}
.prod{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.prod:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--brand-light);}
.prod .thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#efe4d8,#d9c3a9);display:flex;align-items:center;justify-content:center;color:#8a6a48;font-weight:500;position:relative;overflow:hidden;}
.prod .thumb .tag{position:absolute;top:12px;left:12px;z-index:2;background:#fff;color:var(--brand-dark);font-size:12px;font-weight:600;padding:4px 10px;border-radius:4px;box-shadow:var(--shadow);}
.prod .body{padding:20px;}
.prod .body .prod-cat{font-size:12px;font-weight:600;color:var(--brand-dark);text-transform:uppercase;letter-spacing:.06em;}
.prod .body h4{font-size:17px;font-weight:600;margin-top:4px;color:var(--ink);}
.prod .body p{color:var(--text-muted);font-size:14px;margin-top:8px;}
.prod .more{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-dark);font-size:14px;transition:gap var(--ease);}
.prod:hover .more{gap:10px;}

/* ============ 7. BANNER ============ */
.banner-wrap{background:#2a1f16;position:relative;}
.banner-wrap.has-bg{background-size:cover;background-position:center;}
/* overlay tối để chữ trắng đọc rõ trên ảnh */
.banner-wrap.has-bg::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,14,8,.78),rgba(20,14,8,.55));}
.banner{max-width:1200px;margin:0 auto;padding:56px 40px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;overflow:hidden;}
.banner::before{content:"";position:absolute;inset:0;background:var(--wood);opacity:.5;}
.banner-wrap.has-bg .banner::before{opacity:.25;}
.banner::after{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--brand);}
.banner .bl{position:relative;max-width:640px;}
.banner h3{color:#fff;font-size:26px;font-weight:700;line-height:1.3;}
.banner p{color:rgba(255,255,255,.68);margin-top:12px;font-size:15px;}
.banner .br{position:relative;}

/* ============ 8. KNOWLEDGE ============ */
.know-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:34px;margin-top:44px;}
.know-feature{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:box-shadow var(--ease);}
.know-feature:hover{box-shadow:var(--shadow);}
.know-feature .img{aspect-ratio:16/9;background:linear-gradient(135deg,#e6d8c8,#c9ae8f);display:flex;align-items:center;justify-content:center;color:#7a5c3f;font-weight:500;overflow:hidden;}
.know-feature .fbody{padding:24px 26px;}
.know-feature .date{font-size:13px;color:var(--brand-dark);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.know-feature h3{font-size:21px;font-weight:700;margin:8px 0 10px;line-height:1.35;color:var(--ink);}
.know-feature p{color:var(--text-muted);font-size:15px;}
.know-list{display:flex;flex-direction:column;gap:14px;}
.know-item{display:flex;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:12px;transition:var(--ease);cursor:pointer;}
.know-item:hover{border-color:var(--brand);}
.know-item .img{flex:0 0 104px;height:78px;border-radius:4px;background:linear-gradient(135deg,#e6d8c8,#c9ae8f);display:flex;align-items:center;justify-content:center;color:#7a5c3f;font-size:12px;font-weight:500;overflow:hidden;}
.know-item .it-body{flex:1;display:flex;flex-direction:column;min-width:0;}
.know-item h4{font-size:15.5px;font-weight:600;line-height:1.4;color:var(--ink);}
.know-item .date{margin-top:auto;text-align:right;font-size:12px;color:var(--text-muted);font-weight:500;}

/* ============ 9. FAQ + FORM ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;margin-top:12px;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:#fff;margin-bottom:12px;overflow:hidden;transition:var(--ease);}
.faq-item.open{border-color:var(--brand);}
.faq-q{padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:600;font-size:15.5px;cursor:pointer;}
.faq-q .pm{flex:0 0 24px;height:24px;border-radius:4px;background:var(--bg-warm);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;transition:var(--ease);}
.faq-item.open .pm{background:var(--brand);color:#fff;transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--text-muted);}
.faq-a .inner{padding:0 18px 16px;font-size:15px;}
.form-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);position:relative;overflow:hidden;}
.form-box::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--brand);}
.form-box h3{font-size:22px;font-weight:700;margin-top:6px;color:var(--ink);}
.form-box .sub{color:var(--text-muted);margin:6px 0 22px;font-size:15px;}
.field{margin-bottom:15px;}
.field label{display:block;font-size:13.5px;font-weight:500;margin-bottom:6px;}
.field input,.field textarea,
.form-box input:not([type=submit]),.form-box textarea{width:100%;border:1.5px solid var(--border);border-radius:6px;padding:11px 13px;font-family:inherit;font-size:15px;background:#fcfbfa;transition:var(--ease);}
.field input:focus,.field textarea:focus,
.form-box input:focus,.form-box textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(239,135,58,.1);}
.field textarea{min-height:92px;resize:vertical;}

/* Contact Form 7 khớp style form-box */
.form-box .wpcf7 p{margin:0 0 15px;}
.form-box .wpcf7 label{display:block;font-size:13.5px;font-weight:500;margin-bottom:6px;}
.form-box .wpcf7-submit{width:100%;background:var(--brand);color:#fff;border:none;border-radius:6px;padding:15px;font-family:inherit;font-size:16px;font-weight:600;cursor:pointer;transition:background var(--ease);}
.form-box .wpcf7-submit:hover{background:var(--brand-dark);}
.form-box .wpcf7-response-output{border-radius:6px;font-size:14px;margin:8px 0 0;}

/* ============ 10. FOOTER ============ */
.site-footer{background:#2a1f16;color:#c9c4bf;padding:60px 0 24px;position:relative;overflow:hidden;}
.site-footer::before{content:"";position:absolute;inset:0;background:var(--wood);opacity:.45;pointer-events:none;}
.site-footer .container{position:relative;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;}
.site-footer .brand img{height:42px;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.7;color:#a89f95;}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:600;margin-bottom:16px;}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.site-footer ul a{font-size:14px;color:#a89f95;transition:var(--ease);}
.site-footer ul a:hover{color:var(--brand);}
.foot-contact div{display:flex;gap:10px;margin-bottom:11px;font-size:14px;align-items:flex-start;}
.foot-contact .ic{color:var(--brand);flex:0 0 18px;display:flex;justify-content:center;margin-top:2px;}
.foot-contact .ic .icon{width:16px;height:16px;}
.foot-hotline{margin-top:16px;display:inline-flex;flex-direction:column;background:var(--brand);color:#fff;padding:11px 18px;border-radius:6px;}
.foot-hotline small{font-size:11px;opacity:.9;font-weight:500;}
.foot-hotline b{font-size:19px;font-weight:700;}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;text-align:center;font-size:13px;color:#8a8178;position:relative;}

/* ============ GALLERY SẢN PHẨM ============ */
.sp-gallery-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:8px;}
.sp-gallery-thumb{padding:0;border:1px solid var(--border);border-radius:4px;background:none;cursor:pointer;overflow:hidden;aspect-ratio:4/3;transition:border-color .15s;}
.sp-gallery-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.sp-gallery-thumb:hover{border-color:var(--brand);}
.sp-gallery-thumb.is-active{border-color:var(--brand);border-width:2px;}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  nav.menu{position:fixed;top:80px;left:0;right:0;max-height:calc(100vh - 80px);overflow-y:auto;background:#fff;padding:8px 0;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none;}
  nav.menu.open{display:block;}
  .menu-list{flex-direction:column;align-items:stretch;gap:0;}
  .menu-item.has-sub{display:grid;grid-template-columns:1fr auto;}
  .menu-list > .menu-item > a{display:flex;padding:14px 28px;}
  .menu-list > .menu-item > a::after,.menu-item .caret{display:none;}
  .sub-toggle{display:flex;align-items:center;justify-content:center;width:56px;background:none;border:0;color:#333;font-size:16px;cursor:pointer;}
  .sub-toggle .icon{transition:transform var(--ease);}
  .menu-item.open > .sub-toggle .icon{transform:rotate(180deg);}
  .sub-menu,.sub-menu .sub-menu{position:static;grid-column:1 / -1;display:none;min-width:0;margin:0;padding:4px 0 8px;border:0;border-radius:0;box-shadow:none;background:var(--bg-soft);opacity:1;visibility:visible;transform:none;}
  .sub-menu::before{display:none;}
  .menu-item.open > .sub-menu{display:block;}
  .sub-menu a{padding:11px 28px 11px 44px;border-radius:0;white-space:normal;}
  .sub-menu .sub-menu a{padding-left:60px;}
  .nav-toggle{display:block;margin-left:4px;}
  .hotline-btn{margin-left:auto;}
  .hotline-btn .lbl{display:none;}
  .about-grid,.faq-grid,.know-grid{grid-template-columns:1fr;gap:36px;}
  .prod-grid{grid-template-columns:repeat(2,1fr);}
  .trust-in{grid-template-columns:repeat(2,1fr);}
  .trust .cell:nth-child(2){border-right:0;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .h2{font-size:28px;}
}
@media(max-width:560px){
  .container{padding:0 18px;}
  .foot-grid{grid-template-columns:1fr;}
  /* sản phẩm trang chủ: 2 cột gọn */
  .prod-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:28px;}
  .prod .body{padding:12px 12px 14px;}
  .prod .body h4{font-size:14px;line-height:1.35;}
  .prod .body p{display:none;}
  .prod .more{font-size:13px;margin-top:8px;}
  .prod .thumb .tag{top:8px;left:8px;font-size:10px;padding:3px 6px;}
  .cta-box,.banner{padding:32px 22px;}
  .trust .cell{border-right:0;}
  .section{padding:56px 0;}
  .hero{height:58vh;min-height:320px;}
  .hero .nav-arrow{width:38px;height:38px;}
  .hero .nav-arrow.l{left:12px;} .hero .nav-arrow.r{right:12px;}
  /* header: nút hotline gọn hơn */
  .header-in{gap:8px;}
  .brand img{height:40px;}
  .brand .bn{display:none;}
  .hotline-btn{padding:9px 13px;font-size:14px;}
  nav.menu a,.menu-list > .menu-item > a{padding-left:18px;padding-right:18px;}
  .sub-menu a{padding-left:34px;}
}
@media(max-width:340px){
  .hotline-btn b{display:none;} /* màn rất hẹp: chỉ còn icon gọi */
  .hotline-btn{padding:10px 12px;}
}

/* ============ BLOG: danh mục + chi tiết bài ============ */
.blog-head{background:var(--bg-soft);background-image:var(--wood);border-bottom:1px solid var(--border);padding:36px 0 40px;}
.blog-head.is-single{padding:18px 0;}
.blog-head .h2{margin-bottom:8px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--text-muted);margin-bottom:18px;}
.blog-head.is-single .crumbs{margin-bottom:0;}
.crumbs a:hover{color:var(--brand-dark);}
.crumbs .icon{width:.9em;height:.9em;opacity:.6;}
.crumbs span{color:var(--ink);font-weight:500;}

.blog-main{padding:48px 0 84px;}
.blog-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}

/* chips danh mục — chỉ hiện trên mobile (desktop đã có sidebar) */
.cat-chips{display:none;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:24px;scrollbar-width:none;}
.cat-chips::-webkit-scrollbar{display:none;}
.cat-chips a{flex:none;padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-weight:500;background:#fff;white-space:nowrap;}
.cat-chips a.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* lưới thẻ bài */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.post-grid.cols-3{grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.post-card:hover{border-color:var(--brand-light);box-shadow:var(--shadow);}
.post-card .thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#e6d8c8,#c9ae8f);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .ph{display:flex;height:100%;align-items:center;justify-content:center;color:#7a5c3f;font-size:13px;}
.post-card .body{display:flex;flex-direction:column;flex:1;padding:18px 20px 20px;}
.post-card .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-muted);margin-bottom:8px;}
.post-card .cat{color:var(--brand-dark);font-weight:600;text-transform:uppercase;letter-spacing:.06em;font-size:11.5px;}
.post-card .cat:hover{color:var(--brand);}
.post-card .meta .date::before{content:"";display:inline-block;width:3px;height:3px;border-radius:50%;background:currentColor;margin-right:10px;vertical-align:middle;}
.post-card h3{font-size:17px;font-weight:600;line-height:1.4;color:var(--ink);}
.post-card h3 a:hover{color:var(--brand-dark);}
.post-card p{color:var(--text-muted);font-size:14.5px;margin-top:8px;}
.post-card .more{margin-top:auto;padding-top:14px;font-size:14px;font-weight:500;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.post-card .more .icon{transition:transform var(--ease);}
.post-card .more:hover .icon{transform:translateX(3px);}
.post-grid.cols-3 .post-card h3{font-size:15.5px;}
.post-grid.cols-3 .post-card .body{padding:14px 16px 16px;}

/* phân trang */
.blog-pagination{display:flex;gap:6px;flex-wrap:wrap;margin-top:36px;}
.blog-pagination .page-numbers{min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-weight:500;background:#fff;}
.blog-pagination a.page-numbers:hover{border-color:var(--brand);color:var(--brand-dark);}
.blog-pagination .current{background:var(--brand);border-color:var(--brand);color:#fff;}

/* sidebar */
.blog-sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:24px;}
.side-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;}
.side-title{font-size:15px;font-weight:700;color:var(--ink);padding-bottom:12px;margin-bottom:8px;border-bottom:1px solid var(--border);position:relative;}
.side-title::after{content:"";position:absolute;left:0;bottom:-1px;width:40px;height:2px;background:var(--brand);}
.cat-list{list-style:none;margin:0;padding:0;}
.cat-list a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;margin:0 -12px;border-radius:4px;font-size:14.5px;border-left:2px solid transparent;transition:background var(--ease),color var(--ease);}
.cat-list a:hover{background:var(--bg-soft);color:var(--brand-dark);}
.cat-list a.is-active{background:var(--bg-warm);color:var(--brand-dark);font-weight:600;border-left-color:var(--brand);border-radius:0 4px 4px 0;}
.cat-list .count{font-size:12px;font-weight:500;color:var(--text-muted);background:var(--bg-soft);border-radius:4px;padding:2px 8px;min-width:28px;text-align:center;}
.cat-list a.is-active .count{background:#fff;color:var(--brand-dark);}
.recent-list{list-style:none;margin:0;padding:8px 0 0;display:flex;flex-direction:column;gap:14px;}
.recent-list a{display:flex;gap:12px;align-items:flex-start;}
.recent-list .img{flex:0 0 72px;height:54px;border-radius:4px;overflow:hidden;background:linear-gradient(135deg,#e6d8c8,#c9ae8f);}
.recent-list .img img{width:100%;height:100%;object-fit:cover;}
.recent-list .txt{display:flex;flex-direction:column;gap:4px;min-width:0;}
.recent-list .t{font-size:13.5px;font-weight:500;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.recent-list a:hover .t{color:var(--brand-dark);}
.recent-list .d{font-size:12px;color:var(--text-muted);}
.side-cta{background:#2a1f16;background-image:var(--wood);color:#f3ebe1;border-radius:var(--radius);padding:24px 22px;}
.side-cta h4{font-size:16px;font-weight:700;color:#fff;line-height:1.4;}
.side-cta p{font-size:13.5px;color:rgba(243,235,225,.75);margin:8px 0 18px;}
.side-cta .btn{width:100%;justify-content:center;}
.side-phone{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px;font-size:14px;font-weight:600;color:var(--brand-light);}
.side-phone:hover{color:#fff;}

/* chi tiết bài */
.post-header{margin-bottom:28px;}
.post-cat{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-dark);background:var(--bg-warm);padding:5px 10px;border-radius:4px;}
.post-cat:hover{background:var(--brand);color:#fff;}
.post-title{font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);margin:14px 0;}
.post-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:var(--text-muted);}
.post-meta span{display:inline-flex;align-items:center;gap:6px;}
.post-meta .icon{color:var(--brand-dark);}
.post-cover{border-radius:var(--radius);overflow:hidden;margin-bottom:28px;}

.entry-content{font-size:16.5px;line-height:1.75;color:#2b2b2b;}
.entry-content > * + *{margin-top:16px;}
.entry-content h2{font-size:24px;font-weight:700;line-height:1.35;color:var(--ink);margin-top:36px;}
.entry-content h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--ink);margin-top:32px;}
.entry-content h2 + *,.entry-content h3 + *{margin-top:10px;}
.entry-content ul,.entry-content ol{padding-left:22px;}
.entry-content li + li{margin-top:6px;}
.entry-content a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
.entry-content blockquote{margin-left:0;padding:14px 20px;border-left:3px solid var(--brand);background:var(--bg-soft);border-radius:0 var(--radius) var(--radius) 0;}
.entry-content figure{margin:28px 0;}
.entry-content img{display:block;max-width:100%;height:auto;border-radius:var(--radius);}
.entry-content figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:8px;}

.post-terms{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:36px;padding-top:20px;border-top:1px solid var(--border);font-size:14px;}
.post-terms .lbl{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);margin-right:4px;}
.post-terms a{padding:5px 12px;border:1px solid var(--border);border-radius:4px;font-weight:500;}
.post-terms a:hover{border-color:var(--brand);color:var(--brand-dark);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.post-nav a{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius);transition:border-color var(--ease);}
.post-nav a:hover{border-color:var(--brand);}
.post-nav .next{text-align:right;align-items:flex-end;}
.post-nav .lbl{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--brand-dark);font-weight:600;text-transform:uppercase;letter-spacing:.06em;}
.post-nav .t{font-size:14.5px;font-weight:500;line-height:1.4;color:var(--ink);}

.related{margin-top:56px;padding-top:36px;border-top:1px solid var(--border);}
.related-title{font-size:22px;font-weight:700;margin-bottom:22px;}

@media(max-width:1100px){
  .post-grid.cols-3{grid-template-columns:repeat(2,1fr);}
  .post-grid.cols-3 .post-card:nth-child(3){display:none;}
}
@media(max-width:960px){
  .blog-layout{grid-template-columns:1fr;gap:40px;}
  .blog-sidebar{position:static;}
  .cat-chips{display:flex;}
  .cat-chips ~ .blog-layout .side-box:first-child{display:none;}
  .post-title{font-size:27px;}
}
@media(max-width:560px){
  .post-grid,.post-grid.cols-3{grid-template-columns:1fr;}
  .post-grid.cols-3 .post-card:nth-child(3){display:flex;}
  /* bài liên quan: thẻ ngang gọn (ảnh trái, tiêu đề phải) */
  .post-grid.cols-3{gap:12px;}
  .post-grid.cols-3 .post-card{flex-direction:row;}
  .post-grid.cols-3 .post-card .thumb{flex:0 0 112px;aspect-ratio:auto;}
  .post-grid.cols-3 .post-card .body{padding:12px 14px;}
  .post-grid.cols-3 .post-card .more{display:none;}
  .post-grid.cols-3 .post-card h3{font-size:14.5px;}
  .related{margin-top:40px;padding-top:28px;}
  .related-title{font-size:20px;}
  .post-nav{grid-template-columns:1fr;}
  .blog-main{padding:32px 0 60px;}
  .post-title{font-size:24px;}
  .entry-content{font-size:16px;}
}

/* ============ SẢN PHẨM: danh sách ============ */
.sp-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:40px;align-items:start;}
.sp-sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:24px;}
.side-contact{display:flex;justify-content:center;gap:18px;margin-top:14px;font-size:14px;font-weight:600;}
.side-contact a{display:inline-flex;align-items:center;gap:6px;color:var(--brand-light);}
.side-contact a:hover{color:#fff;}

.sp-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--border);}
.sp-count{font-size:14.5px;color:var(--text-muted);}
.sp-count b{color:var(--ink);font-weight:700;}
.sp-tools{display:flex;align-items:center;gap:12px;}
.sp-sort{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);}
.sp-sort select{font:inherit;color:var(--ink);font-weight:500;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:#fff;cursor:pointer;}
.sp-sort select:focus{outline:none;border-color:var(--brand);}
.sp-view{display:inline-flex;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.sp-view button{width:40px;height:38px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:0;color:var(--text-muted);cursor:pointer;font-size:17px;}
.sp-view button + button{border-left:1px solid var(--border);}
.sp-view button.is-active{background:var(--bg-warm);color:var(--brand-dark);}

/* thẻ sản phẩm */
.sp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.sp-grid.cols-4{grid-template-columns:repeat(4,1fr);}
.sp-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.sp-card:hover{border-color:var(--brand-light);box-shadow:var(--shadow);}
.sp-thumb{position:relative;display:block;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(135deg,#efe4d8,#d9c3a9);}
.sp-thumb img,.sp-thumb svg{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.sp-card:hover .sp-thumb img{transform:scale(1.03);}
.sp-tag{position:absolute;top:10px;left:10px;z-index:2;background:#fff;color:var(--brand-dark);font-size:11.5px;font-weight:600;padding:4px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.04em;}
.sp-body{display:flex;flex-direction:column;flex:1;padding:16px 18px 18px;min-width:0;}
.sp-group{font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-dark);}
.sp-group:hover{color:var(--brand);}
.sp-name{font-size:16px;font-weight:600;line-height:1.4;color:var(--ink);margin-top:4px;}
.sp-name a:hover{color:var(--brand-dark);}
.sp-desc{display:none;}
.sp-specs{margin:12px 0 0;display:grid;gap:6px;font-size:13px;}
.sp-specs div{display:flex;justify-content:space-between;gap:12px;padding-top:6px;border-top:1px dashed var(--border);min-width:0;}
.sp-specs dt{color:var(--text-muted);flex:none;}
.sp-specs dd{margin:0;font-weight:500;color:var(--ink);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.sp-specs .sp-spec-extra{display:none;}
.sp-actions{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.sp-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand-dark);}
.sp-more .icon{transition:transform var(--ease);}
.sp-more:hover .icon{transform:translateX(3px);}
.sp-quote{font-size:13.5px;font-weight:600;padding:6px 14px;border:1px solid var(--brand);border-radius:4px;color:var(--brand-dark);transition:background var(--ease),color var(--ease);}
.sp-quote:hover{background:var(--brand);color:#fff;}

/* chế độ danh sách: ngang, hiện mô tả + đủ thông số để so sánh nhanh */
.sp-grid.is-list{grid-template-columns:1fr;gap:14px;}
.sp-grid.is-list .sp-card{flex-direction:row;}
.sp-grid.is-list .sp-thumb{flex:0 0 240px;aspect-ratio:auto;min-height:170px;}
.sp-grid.is-list .sp-body{padding:18px 22px;}
.sp-grid.is-list .sp-name{font-size:17px;}
.sp-grid.is-list .sp-desc{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;color:var(--text-muted);margin-top:6px;}
.sp-grid.is-list .sp-specs{display:flex;flex-wrap:wrap;gap:8px 0;margin-top:14px;}
.sp-grid.is-list .sp-specs div,.sp-grid.is-list .sp-specs .sp-spec-extra{display:flex;flex-direction:column;gap:2px;border-top:0;padding:0 18px;border-left:1px solid var(--border);}
.sp-grid.is-list .sp-specs div:first-child{padding-left:0;border-left:0;}
.sp-grid.is-list .sp-specs dd{text-align:left;}
.sp-grid.is-list .sp-actions{justify-content:flex-start;gap:20px;}

/* ============ SẢN PHẨM: chi tiết ============ */
.sp-top{padding:36px 0 56px;}
.sp-top-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start;}
.sp-gallery-main{position:relative;aspect-ratio:4/3;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#efe4d8,#d9c3a9);}
.sp-gallery-main img,.sp-gallery-main svg{width:100%;height:100%;object-fit:cover;display:block;}
.sp-gallery .sp-gallery-thumbs{margin-top:10px;}
.sp-title{font-size:30px;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);margin:12px 0;}
.sp-lead{color:var(--text-muted);font-size:15.5px;}
.sp-quick{margin:22px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.sp-quick div{background:#fff;padding:11px 14px;min-width:0;}
.sp-quick div:last-child:nth-child(odd){grid-column:span 2;}
.sp-quick dt{font-size:12px;color:var(--text-muted);}
.sp-quick dd{margin:2px 0 0;font-size:14.5px;font-weight:500;color:var(--ink);}
.sp-opts{margin-top:18px;}
.sp-opts-lbl{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.sp-chips{display:flex;flex-wrap:wrap;gap:6px;}
.sp-chips span{padding:5px 10px;border:1px solid var(--border);border-radius:4px;font-size:13px;font-weight:500;background:#fff;}
.sp-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.sp-note{font-size:13px;color:var(--text-muted);margin-top:14px;padding-left:12px;border-left:2px solid var(--brand-light);}

.sp-tabs{position:sticky;top:80px;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sp-tabs .container{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;}
.sp-tabs .container::-webkit-scrollbar{display:none;}
.sp-tabs a{padding:16px 14px;font-size:14.5px;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent;white-space:nowrap;margin-bottom:-1px;}
.sp-tabs a:hover{color:var(--ink);}
.sp-tabs a.is-active{color:var(--brand-dark);border-bottom-color:var(--brand);}

.sp-detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;padding-top:48px;padding-bottom:64px;}
.sp-section{scroll-margin-top:150px;padding-bottom:40px;margin-bottom:40px;border-bottom:1px solid var(--border);}
.sp-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.sp-section > h2{font-size:22px;font-weight:700;margin-bottom:18px;}
.sp-proscons{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.sp-pros,.sp-cons{border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;}
.sp-pros{background:#fbf8f4;}
.sp-proscons h3{display:inline-flex;align-items:center;gap:8px;font-size:15.5px;font-weight:700;margin-bottom:10px;}
.sp-pros h3 .icon{color:#3c7a4b;}
.sp-cons h3 .icon{color:#b04a3a;}
.sp-proscons .entry-content{font-size:15px;}
.sp-proscons .entry-content ul{padding-left:18px;}
.sp-spec-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-size:15px;}
.sp-spec-table th{text-align:left;font-weight:500;color:var(--text-muted);background:var(--bg-soft);width:36%;padding:12px 16px;vertical-align:top;}
.sp-spec-table td{padding:12px 16px;font-weight:500;color:var(--ink);}
.sp-spec-table tr + tr th,.sp-spec-table tr + tr td{border-top:1px solid var(--border);}

.sp-aside{position:sticky;top:150px;display:flex;flex-direction:column;gap:12px;}
.sp-aside-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;}
.sp-aside-card .btn{width:100%;justify-content:center;}
.sp-aside-head{display:flex;align-items:center;gap:12px;margin-bottom:4px;}
.sp-aside-head .img{flex:0 0 56px;height:56px;border-radius:4px;overflow:hidden;background:linear-gradient(135deg,#efe4d8,#d9c3a9);}
.sp-aside-head .img img{width:100%;height:100%;object-fit:cover;}
.sp-aside-head .t{font-size:14.5px;font-weight:600;line-height:1.4;color:var(--ink);}
.sp-aside-link{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-weight:500;transition:border-color var(--ease),color var(--ease);}
.sp-aside-link:hover{border-color:var(--brand);color:var(--brand-dark);}
.sp-aside-link .count{font-size:12px;color:var(--text-muted);background:var(--bg-soft);border-radius:4px;padding:2px 8px;}

.sp-related{padding:56px 0 84px;background:var(--bg-soft);border-top:1px solid var(--border);}
.sp-related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.sp-related-head .related-title{margin-bottom:0;}
.sp-mbar{display:none;}

@media(max-width:1100px){
  .sp-layout{grid-template-columns:220px minmax(0,1fr);gap:28px;}
  .sp-grid,.sp-grid.cols-4{grid-template-columns:repeat(2,1fr);}
  .sp-top-grid{gap:32px;}
}
@media(max-width:960px){
  .sp-layout{grid-template-columns:1fr;gap:40px;}
  .sp-sidebar{position:static;order:2;}
  .cat-chips ~ .sp-layout .side-box:first-child{display:none;}
  .sp-detail-grid{grid-template-columns:1fr;padding-top:32px;}
  .sp-top-grid{gap:28px;}
  .sp-top{padding:28px 0 44px;}
  .sp-aside{display:none;}
  .sp-title{font-size:26px;}
  .sp-mbar{display:grid;grid-template-columns:1fr 2fr;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--border);padding:10px 16px;box-shadow:0 -6px 18px rgba(25,25,25,.06);}
  .sp-mbar .btn{justify-content:center;}
  .sp-single{padding-bottom:64px;}
}
@media(max-width:720px){
  .sp-top-grid{grid-template-columns:1fr;}
}
@media(max-width:560px){
  /* lưới 2 cột gọn: ảnh + nhóm + tên + nút Báo giá (thông số xem ở chế độ danh sách / trang chi tiết) */
  .sp-grid,.sp-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .sp-grid:not(.is-list) .sp-body{padding:12px 12px 14px;}
  .sp-grid:not(.is-list) .sp-group{font-size:10.5px;letter-spacing:.04em;}
  .sp-grid:not(.is-list) .sp-name{font-size:14px;line-height:1.35;}
  .sp-grid:not(.is-list) .sp-specs,.sp-grid:not(.is-list) .sp-more{display:none;}
  .sp-grid:not(.is-list) .sp-actions{padding-top:12px;}
  .sp-grid:not(.is-list) .sp-quote{flex:1;text-align:center;padding:7px 8px;}
  .sp-tag{top:8px;left:8px;font-size:10px;padding:3px 6px;}
  .sp-grid.is-list .sp-thumb{flex-basis:118px;min-height:0;}
  .sp-grid.is-list .sp-body{padding:12px 14px;}
  .sp-grid.is-list .sp-desc,.sp-grid.is-list .sp-specs{display:none;}
  .sp-toolbar{gap:12px;}
  .sp-tools{width:100%;justify-content:space-between;}
  .sp-proscons{grid-template-columns:1fr;}
  .sp-quick{grid-template-columns:1fr;}
  .sp-quick div:last-child:nth-child(odd){grid-column:auto;}
  .sp-cta{flex-direction:column;}
  .sp-cta .btn{justify-content:center;white-space:nowrap;}
  .sp-related{padding:40px 0 56px;}
  .sp-related-head .sp-more{white-space:nowrap;}
  .sp-section > h2{font-size:20px;}
  .sp-spec-table th{width:42%;padding:10px 12px;}
  .sp-spec-table td{padding:10px 12px;}
}

/* ============ LIÊN HỆ ============ */
.contact-main{padding:56px 0 84px;}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start;}
.ct-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.ct-list li{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--border);}
.ct-list li:first-child{padding-top:0;}
.ct-ic{flex:0 0 44px;height:44px;border-radius:var(--radius);background:var(--bg-warm);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-size:19px;}
.ct-lbl{display:block;font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin-bottom:4px;}
.ct-val{font-size:16px;font-weight:500;color:var(--ink);line-height:1.5;}
.ct-val:hover{color:var(--brand-dark);}
.ct-val.is-strong{font-size:22px;font-weight:700;color:var(--brand-dark);}
.ct-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.ct-social{margin-top:28px;}
.ct-social div{display:flex;flex-wrap:wrap;gap:8px;}
.ct-social a{padding:7px 14px;border:1px solid var(--border);border-radius:4px;font-size:14px;font-weight:500;}
.ct-social a:hover{border-color:var(--brand);color:var(--brand-dark);}
.ct-content{margin-top:28px;}
.contact-map{margin-top:56px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;line-height:0;}
.contact-map iframe{width:100%;height:420px;border:0;display:block;}
@media(max-width:960px){
  .contact-grid{grid-template-columns:1fr;gap:40px;}
}
@media(max-width:560px){
  .contact-main{padding:36px 0 60px;}
  .form-box{padding:24px 20px;}
  .ct-actions .btn{flex:1;justify-content:center;}
  .contact-map iframe{height:320px;}
}