/* ==========================================================================
   MEPHO VIỆT NAM — Design System
   Khai thông năng lượng – Nâng tầm cuộc sống
   ========================================================================== */

:root{
  /* Brand palette (copper / warm) */
  --brand:        #96551f;      /* copper brown */
  --brand-600:    #a9612a;
  --brand-500:    #b56b2f;
  --brand-700:    #7c4418;
  --brand-800:    #5f3411;
  --brand-grad:   linear-gradient(135deg,#a9612a 0%,#7c4418 100%);

  --gold:         #c79a4a;
  --navy:         #0f2742;      /* secondary dark (KRATSTECH pack) */
  --navy-700:     #16324f;
  --navy-900:     #0a1c33;

  --ink:          #26201b;      /* headings */
  --body:         #4a423b;      /* body text */
  --muted:        #857a6f;      /* meta / muted */
  --line:         #ece3d8;      /* hairline */
  --line-2:       #e2d6c8;

  --bg:           #ffffff;
  --bg-soft:      #faf6f1;      /* warm off-white section */
  --bg-soft-2:    #f4ede4;
  --bg-cream:     #fbf8f4;

  --white:        #ffffff;
  --success:      #3f8f4f;
  --star:         #e0a52e;

  --shadow-sm:    0 2px 10px rgba(60,40,20,.05);
  --shadow:       0 12px 34px rgba(90,60,30,.08);
  --shadow-lg:    0 24px 60px rgba(70,45,20,.14);

  --radius:       16px;
  --radius-sm:    12px;
  --radius-lg:    22px;

  --container:    1200px;
  --gutter:       24px;

  --font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ------- Reset ------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--body);background:var(--bg);
  font-size:16px;line-height:1.7;font-weight:400;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
button{font-family:inherit;cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;line-height:1.2;letter-spacing:-.01em}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}

/* ------- Layout helpers ------- */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.bg-soft{background:var(--bg-soft)}
.bg-cream{background:var(--bg-cream)}
.bg-navy{background:var(--navy);color:#d9e2ee}
.text-center{text-align:center}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* ------- Buttons ------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;
  line-height:1;letter-spacing:.01em;transition:var(--transition);white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(124,68,24,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(124,68,24,.36)}
.btn-outline{border:1.5px solid var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{transform:translateY(-2px)}
.btn-lg{padding:17px 34px;font-size:16px}
.btn-block{width:100%}

/* ------- Section head ------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;color:var(--brand);
  font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before,.eyebrow.center::after{content:"";width:26px;height:2px;background:var(--gold);display:inline-block}
.sec-head{max-width:760px;margin:0 auto 52px}
.sec-head.center{text-align:center}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}
.sec-title-deco{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:14px}
.sec-title-deco span{width:8px;height:8px;border:2px solid var(--gold);transform:rotate(45deg)}
.sec-title-deco::before,.sec-title-deco::after{content:"";height:1px;width:60px;background:linear-gradient(90deg,transparent,var(--gold))}
.sec-title-deco::after{background:linear-gradient(270deg,transparent,var(--gold))}

/* ==========================================================================
   HEADER
   ========================================================================== */
.topbar{background:var(--navy-900);color:#c9d3e0;font-size:13.5px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:40px;gap:20px}
.topbar a{color:#c9d3e0}
.topbar a:hover{color:#fff}
.topbar-left{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.topbar-left span{display:inline-flex;align-items:center;gap:7px}
.topbar-left svg{width:14px;height:14px;color:var(--gold)}
.topbar-social{display:flex;gap:14px;align-items:center}
.topbar-social a{display:inline-flex}
.topbar-social svg{width:15px;height:15px}

.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition)}
.site-header.scrolled{box-shadow:0 6px 24px rgba(60,40,20,.09)}
.header-inner{display:flex;align-items:center;gap:28px;height:80px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:50px;width:auto}
.brand .bt{line-height:1.05}
.brand .bt b{display:block;font-size:19px;color:var(--brand);font-weight:800;letter-spacing:.02em}
.brand .bt small{display:block;font-size:10.5px;color:var(--muted);letter-spacing:.02em}

.main-nav{margin-left:auto}
.main-nav>ul{display:flex;align-items:center;gap:2px}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{
  display:flex;align-items:center;gap:5px;padding:12px 13px;font-weight:600;font-size:14.5px;color:var(--ink);
}
.main-nav>ul>li>a:hover,.main-nav>ul>li.active>a{color:var(--brand)}
.main-nav>ul>li>a .caret{width:11px;height:11px;opacity:.6}
.main-nav>ul>li>a::after{content:"";position:absolute;left:13px;right:13px;bottom:8px;height:2px;background:var(--brand);transform:scaleX(0);transition:transform var(--transition);transform-origin:left}
.main-nav>ul>li:hover>a::after,.main-nav>ul>li.active>a::after{transform:scaleX(1)}

/* dropdown */
.submenu{
  position:absolute;top:calc(100% + 6px);left:0;min-width:250px;background:#fff;
  border-radius:14px;box-shadow:var(--shadow);padding:10px;opacity:0;visibility:hidden;
  transform:translateY(10px);transition:var(--transition);border:1px solid var(--line);z-index:20;
}
.main-nav li:hover>.submenu{opacity:1;visibility:visible;transform:none}
.submenu a{display:block;padding:10px 14px;border-radius:9px;font-size:14px;font-weight:500;color:var(--body)}
.submenu a:hover{background:var(--bg-soft);color:var(--brand)}
.mega{left:50%;transform:translate(-50%,10px);min-width:640px;padding:22px;display:grid;grid-template-columns:repeat(2,1fr);gap:6px 26px}
.main-nav li:hover>.mega{transform:translate(-50%,0)}
.mega .mega-col h5{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--brand);padding:6px 14px;margin-bottom:2px}

.header-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-phone{display:flex;align-items:center;gap:10px}
.header-phone .ic{width:40px;height:40px;border-radius:50%;background:var(--bg-soft-2);display:grid;place-items:center;color:var(--brand)}
.header-phone .ic svg{width:18px;height:18px}
.header-phone b{display:block;font-size:16px;color:var(--brand);font-weight:800}
.header-phone small{display:block;font-size:11px;color:var(--muted)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;color:var(--ink)}
.nav-toggle svg{width:26px;height:26px;margin:auto}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.9}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,20,35,.92) 0%,rgba(10,20,35,.7) 42%,rgba(10,20,35,.15) 72%,transparent 100%)}
.hero-inner{position:relative;z-index:2;padding:96px 0 84px;max-width:620px}
.hero .eyebrow{color:#f0c979}
.hero .eyebrow::before{background:#f0c979}
.hero h1{color:#fff;font-size:clamp(34px,5vw,60px);line-height:1.08;letter-spacing:-.02em;margin-bottom:20px}
.hero h1 .hl{color:#f0c979}
.hero .lead{font-size:18px;color:#d5dce6;max-width:520px;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-features{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
.hero-features .hf{display:flex;align-items:center;gap:11px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:11px 16px}
.hero-features .hf .ic{width:34px;height:34px;border-radius:9px;background:rgba(240,201,121,.16);display:grid;place-items:center;color:#f0c979}
.hero-features .hf .ic svg{width:18px;height:18px}
.hero-features .hf b{display:block;font-size:15px;color:#fff}
.hero-features .hf small{color:#aeb9c7;font-size:12px}

/* stats bar */
.stats-bar{position:relative;z-index:3;margin-top:-46px}
.stats-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(5,1fr);overflow:hidden}
.stat{padding:26px 22px;display:flex;align-items:center;gap:14px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-soft-2);display:grid;place-items:center;color:var(--brand);flex-shrink:0}
.stat .ic svg{width:24px;height:24px}
.stat b{display:block;font-size:26px;color:var(--ink);font-weight:800;line-height:1}
.stat small{color:var(--muted);font-size:13px}

/* ==========================================================================
   FEATURE CARDS / WHY
   ========================================================================== */
.grid{display:grid;gap:24px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-5{grid-template-columns:repeat(5,1fr)}
.cols-6{grid-template-columns:repeat(6,1fr)}

.icard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:var(--transition);text-align:center}
.icard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.icard .ic{width:64px;height:64px;border-radius:16px;background:var(--bg-soft-2);display:grid;place-items:center;color:var(--brand);margin:0 auto 18px;transition:var(--transition)}
.icard:hover .ic{background:var(--brand-grad);color:#fff}
.icard .ic svg{width:30px;height:30px}
.icard h3{font-size:18px;margin-bottom:8px}
.icard p{font-size:14.5px;color:var(--muted);margin:0}

.icard-left{text-align:left}
.icard-left .ic{margin:0 0 18px}

/* small feature row (why) */
.why-row{display:flex;gap:16px;align-items:flex-start}
.why-row .ic{width:52px;height:52px;border-radius:14px;border:1.5px solid var(--line-2);display:grid;place-items:center;color:var(--brand);flex-shrink:0}
.why-row .ic svg{width:26px;height:26px}
.why-row h4{font-size:16px;margin-bottom:4px}
.why-row p{font-size:14px;color:var(--muted);margin:0}

/* ==========================================================================
   PRODUCT CARDS
   ========================================================================== */
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--line-2)}
.pcard .thumb{position:relative;aspect-ratio:1/1;background:var(--bg-soft);overflow:hidden}
.pcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .thumb img{transform:scale(1.05)}
.pcard .badge{position:absolute;top:12px;left:12px;background:var(--brand);color:#fff;font-size:11px;font-weight:700;padding:5px 11px;border-radius:999px;letter-spacing:.03em}
.pcard .badge.new{background:var(--success)}
.pcard .body{padding:18px;display:flex;flex-direction:column;flex:1}
.pcard .cat{font-size:11.5px;color:var(--brand);font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.pcard h3{font-size:16px;margin-bottom:6px;line-height:1.35}
.pcard .desc{font-size:13.5px;color:var(--muted);margin-bottom:12px;flex:1}
.pcard .stars{color:var(--star);font-size:13px;margin-bottom:10px;letter-spacing:1px}
.pcard .foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.pcard .price{font-size:19px;font-weight:800;color:var(--brand)}
.pcard .cart{width:40px;height:40px;border-radius:11px;background:var(--bg-soft-2);color:var(--brand);display:grid;place-items:center;transition:var(--transition)}
.pcard .cart:hover{background:var(--brand-grad);color:#fff}
.pcard .cart svg{width:18px;height:18px}

/* category pill (featured) */
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4;display:block;box-shadow:var(--shadow-sm)}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.cat-card:hover img{transform:scale(1.07)}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(15,28,50,.86))}
.cat-card .lbl{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px;color:#fff}
.cat-card .lbl b{display:block;font-size:15px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.cat-card .lbl .more{font-size:12.5px;color:#f0c979;display:inline-flex;align-items:center;gap:6px;font-weight:600}

/* ==========================================================================
   SOLUTIONS / IMAGE CARDS
   ========================================================================== */
.sol-card{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);display:block}
.sol-card img{width:100%;height:220px;object-fit:cover;transition:transform .6s}
.sol-card:hover img{transform:scale(1.06)}
.sol-card .cap{position:absolute;left:14px;bottom:14px;right:14px;background:rgba(255,255,255,.96);border-radius:12px;padding:12px 16px;font-weight:700;color:var(--ink);font-size:15px;text-align:center}

/* ==========================================================================
   PARTNERS STRIP
   ========================================================================== */
.partners{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:56px}
.partners .p{font-weight:800;color:#9a8f83;font-size:20px;letter-spacing:.02em;opacity:.75;transition:var(--transition)}
.partners .p:hover{opacity:1;color:var(--brand)}

/* trust bar */
.trust-bar{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(6,1fr)}
.trust-bar .t{padding:24px 18px;display:flex;gap:12px;align-items:flex-start;border-right:1px solid var(--line)}
.trust-bar .t:last-child{border-right:0}
.trust-bar .t .ic{color:var(--brand);flex-shrink:0}
.trust-bar .t .ic svg{width:26px;height:26px}
.trust-bar .t b{display:block;font-size:13.5px;color:var(--ink);margin-bottom:3px}
.trust-bar .t small{font-size:12px;color:var(--muted);line-height:1.5}

/* ==========================================================================
   NEWS
   ========================================================================== */
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.ncard .thumb{aspect-ratio:16/10;overflow:hidden}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ncard:hover .thumb img{transform:scale(1.06)}
.ncard .body{padding:20px}
.ncard .date{font-size:12.5px;color:var(--brand);font-weight:600;margin-bottom:8px}
.ncard h3{font-size:16.5px;line-height:1.4;margin-bottom:10px}
.ncard:hover h3{color:var(--brand)}
.ncard .more{font-size:13px;color:var(--muted);font-weight:600;display:inline-flex;gap:6px;align-items:center}

/* ==========================================================================
   CTA / CONSULT FORM
   ========================================================================== */
.consult{background:var(--navy);border-radius:var(--radius-lg);overflow:hidden;color:#fff;position:relative}
.consult-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:0}
.consult .info{padding:52px 48px}
.consult .info .eyebrow{color:#f0c979}
.consult .info .eyebrow::before{background:#f0c979}
.consult .info h2{color:#fff;font-size:30px;margin-bottom:14px}
.consult .info p{color:#c3ccd8;margin-bottom:26px}
.consult .info ul li{display:flex;gap:12px;align-items:center;margin-bottom:14px;color:#dbe2ec;font-size:15px}
.consult .info ul li svg{width:20px;height:20px;color:#f0c979;flex-shrink:0}
.consult .form{background:#fff;padding:44px 40px;color:var(--body)}
.consult .form h3{font-size:22px;margin-bottom:6px}
.consult .form p{color:var(--muted);font-size:14px;margin-bottom:22px}

.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.input,.select,.textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line-2);border-radius:11px;
  font-family:inherit;font-size:14.5px;color:var(--ink);background:#fff;transition:var(--transition);
}
.input:focus,.select:focus,.textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(150,85,31,.12)}
.textarea{resize:vertical;min-height:110px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted);margin-bottom:18px}
.check input{margin-top:3px}
.check a{color:var(--brand);font-weight:600}

/* big CTA band */
.cta-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;color:#fff;padding:56px 52px}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,20,35,.9),rgba(10,20,35,.4));z-index:1}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-band .c{position:relative;z-index:2;max-width:560px}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);margin-bottom:12px}
.cta-band p{color:#d5dce6;margin-bottom:24px}

/* ==========================================================================
   PAGE HEADER (inner pages)
   ========================================================================== */
.page-hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden;padding:70px 0 60px}
.page-hero-bg{position:absolute;inset:0;z-index:0}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.page-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,20,35,.92),rgba(10,20,35,.55))}
.page-hero .inner{position:relative;z-index:2}
.page-hero .eyebrow{color:#f0c979}
.page-hero .eyebrow::before{background:#f0c979}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,46px);margin-bottom:12px}
.page-hero p{color:#cfd6e0;max-width:620px;font-size:16.5px}
.breadcrumb{display:flex;gap:9px;align-items:center;font-size:13.5px;color:#9fb0c4;margin-bottom:16px}
.breadcrumb a:hover{color:#f0c979}
.breadcrumb .sep{opacity:.5}

/* ==========================================================================
   ABOUT: values / timeline
   ========================================================================== */
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;transition:var(--transition);height:100%}
.value-card:hover{box-shadow:var(--shadow);transform:translateY(-5px)}
.value-card .ic{width:58px;height:58px;border-radius:15px;background:var(--brand-grad);display:grid;place-items:center;color:#fff;margin-bottom:16px}
.value-card .ic svg{width:28px;height:28px}
.value-card h3{font-size:17px;margin-bottom:10px}
.value-card p{font-size:14px;color:var(--muted);margin:0}
.value-card ul li{display:flex;gap:9px;align-items:center;font-size:14px;color:var(--body);margin-bottom:9px}
.value-card ul li svg{width:16px;height:16px;color:var(--brand);flex-shrink:0}

/* timeline */
.timeline{position:relative;display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:20px}
.timeline::before{content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--line-2)}
.tl-item{position:relative;padding-top:34px;text-align:center}
.tl-item::before{content:"";position:absolute;top:2px;left:50%;transform:translateX(-50%);width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--brand)}
.tl-item .yr{font-size:22px;font-weight:800;color:var(--brand);margin-bottom:6px}
.tl-item p{font-size:13px;color:var(--muted);margin:0}

/* mini stat row */
.mini-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.mini-stat{text-align:center;padding:26px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.mini-stat b{display:block;font-size:32px;color:var(--brand);font-weight:800;line-height:1}
.mini-stat small{color:var(--muted);font-size:13px;margin-top:6px;display:block}

/* ==========================================================================
   PRODUCT DETAIL
   ========================================================================== */
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.pd-gallery .main{aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg-soft)}
.pd-gallery .main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:flex;gap:12px;margin-top:14px}
.pd-thumbs button{width:74px;height:74px;border-radius:12px;overflow:hidden;border:2px solid var(--line);background:#fff}
.pd-thumbs button.active{border-color:var(--brand)}
.pd-thumbs img{width:100%;height:100%;object-fit:cover}
.pd-info .cat{color:var(--brand);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.08em;background:var(--bg-soft-2);padding:5px 12px;border-radius:999px;display:inline-block;margin-bottom:14px}
.pd-info h1{font-size:32px;margin-bottom:8px}
.pd-info .sub{color:var(--muted);margin-bottom:14px}
.pd-rating{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);margin-bottom:18px}
.pd-rating .stars{color:var(--star);letter-spacing:2px}
.pd-price{font-size:34px;font-weight:800;color:var(--brand);margin-bottom:20px}
.pd-feats li{display:flex;gap:10px;align-items:flex-start;margin-bottom:11px;font-size:15px;color:var(--body)}
.pd-feats li svg{width:20px;height:20px;color:var(--success);flex-shrink:0;margin-top:2px}
.pd-buy{display:flex;gap:14px;align-items:center;margin:24px 0}
.qty{display:flex;align-items:center;border:1.5px solid var(--line-2);border-radius:11px;overflow:hidden}
.qty button{width:42px;height:46px;font-size:20px;color:var(--brand)}
.qty input{width:52px;height:46px;border:0;text-align:center;font-size:16px;font-weight:700;color:var(--ink)}
.pd-trust{display:flex;gap:22px;flex-wrap:wrap;padding-top:20px;border-top:1px solid var(--line)}
.pd-trust .t{display:flex;gap:9px;align-items:center;font-size:13px;color:var(--muted)}
.pd-trust .t svg{width:20px;height:20px;color:var(--brand)}

/* tabs */
.tabs{display:flex;gap:6px;border-bottom:2px solid var(--line);margin-bottom:26px;flex-wrap:wrap}
.tabs button{padding:13px 20px;font-weight:700;font-size:15px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px}
.tabs button.active{color:var(--brand);border-color:var(--brand)}
.tab-panel{display:none}
.tab-panel.active{display:block}
.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.spec-table td{padding:13px 18px;border-bottom:1px solid var(--line);font-size:14.5px}
.spec-table tr td:first-child{background:var(--bg-soft);font-weight:600;color:var(--ink);width:38%}
.spec-table tr:last-child td{border-bottom:0}

/* ==========================================================================
   FILTER SIDEBAR (shop)
   ========================================================================== */
.shop-grid{display:grid;grid-template-columns:266px 1fr;gap:34px;align-items:start}
.filter-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px}
.filter-box h4{font-size:15px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:16px;color:var(--ink)}
.cat-list li a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--body);font-weight:500}
.cat-list li a:hover,.cat-list li.active a{background:var(--bg-soft);color:var(--brand)}
.cat-list li a svg{width:17px;height:17px;color:var(--brand)}
.shop-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.shop-cat-title{display:flex;justify-content:space-between;align-items:baseline;margin:6px 0 18px}
.shop-cat-title h3{font-size:20px}
.shop-cat-title a{color:var(--brand);font-weight:600;font-size:13.5px;display:inline-flex;gap:6px;align-items:center}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact-cards{display:grid;grid-template-columns:repeat(5,1fr)}
.contact-cards .cc{padding:26px 22px;display:flex;gap:14px;border-right:1px solid var(--line)}
.contact-cards .cc:last-child{border-right:0}
.contact-cards .cc .ic{width:44px;height:44px;border-radius:12px;background:var(--bg-soft-2);color:var(--brand);display:grid;place-items:center;flex-shrink:0}
.contact-cards .cc .ic svg{width:22px;height:22px}
.contact-cards .cc b{display:block;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px}
.contact-cards .cc span{font-size:14px;color:var(--ink);font-weight:600;line-height:1.5}
.map-embed{border:0;width:100%;height:100%;min-height:420px;border-radius:var(--radius)}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{background:var(--navy-900);color:#a9b6c6;padding-top:66px;font-size:14.5px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand img{height:52px;margin-bottom:16px}
.footer-brand .fb-name{color:#fff;font-size:19px;font-weight:800;margin-bottom:4px}
.footer-brand p{color:#93a2b5;font-size:14px;line-height:1.7;margin-bottom:18px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.07);display:grid;place-items:center;color:#c6d1de;transition:var(--transition)}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-3px)}
.footer-social svg{width:18px;height:18px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:#a9b6c6;font-size:14px}
.footer-col ul li a:hover{color:#f0c979;padding-left:4px}
.footer-contact li{display:flex;gap:11px;margin-bottom:14px;align-items:flex-start;color:#a9b6c6}
.footer-contact li svg{width:18px;height:18px;color:#f0c979;flex-shrink:0;margin-top:3px}
.footer-hotline{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:16px 18px;display:flex;gap:12px;align-items:center;margin-top:18px}
.footer-hotline .ic{width:44px;height:44px;border-radius:50%;background:var(--brand-grad);display:grid;place-items:center;color:#fff}
.footer-hotline small{display:block;color:#f0c979;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.footer-hotline b{color:#fff;font-size:20px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;flex-wrap:wrap;gap:10px;color:#7e8 da3;font-size:13px;color:#788799}
.footer-bottom a{color:#788799}
.footer-bottom a:hover{color:#f0c979}

/* floating buttons */
.floats{position:fixed;right:20px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:12px}
.floats a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:var(--shadow);transition:var(--transition);position:relative}
.floats a:hover{transform:scale(1.08)}
.floats .phone{background:#25a244;box-shadow:0 6px 18px rgba(37,162,68,.45)}
.floats .zalo{background:#0068ff}
.floats .top{background:var(--brand)}
.floats a svg{width:24px;height:24px}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(37,162,68,.5)}70%{box-shadow:0 0 0 14px rgba(37,162,68,0)}100%{box-shadow:0 0 0 0 rgba(37,162,68,0)}}

/* mobile nav panel */
.mobile-nav{position:fixed;inset:0;z-index:200;visibility:hidden;pointer-events:none}
.mobile-nav .overlay{position:absolute;inset:0;background:rgba(10,20,35,.5);opacity:0;transition:var(--transition)}
.mobile-nav .panel{position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;transform:translateX(100%);transition:transform .3s;overflow-y:auto;padding:22px}
.mobile-nav.open{visibility:visible;pointer-events:auto}
.mobile-nav.open .overlay{opacity:1}
.mobile-nav.open .panel{transform:none}
.mobile-nav .m-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.mobile-nav .m-close{width:42px;height:42px;color:var(--ink)}
.mobile-nav ul li>a{display:block;padding:13px 8px;border-bottom:1px solid var(--line);font-weight:600;color:var(--ink)}
.mobile-nav .sub a{padding-left:22px;font-weight:500;font-size:14px;color:var(--body)}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media(max-width:1024px){
  .stats-card{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3){border-right:0}
  .cols-6,.cols-5{grid-template-columns:repeat(3,1fr)}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .trust-bar,.contact-cards{grid-template-columns:repeat(3,1fr)}
  .trust-bar .t,.contact-cards .cc{border-bottom:1px solid var(--line)}
  .timeline{grid-template-columns:repeat(3,1fr);gap:30px}
  .timeline::before{display:none}
  .mini-stats{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
  .main-nav,.header-phone .txt{display:none}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .header-cta{gap:8px}
  .consult-grid,.pd-grid,.shop-grid{grid-template-columns:1fr}
  .shop-grid .filter-col{order:2}
  .topbar{display:none}
}
@media(max-width:680px){
  .section{padding:56px 0}
  .cols-2,.cols-3,.cols-4,.cols-5,.cols-6{grid-template-columns:1fr}
  .stats-card{grid-template-columns:1fr 1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .trust-bar,.contact-cards{grid-template-columns:1fr 1fr}
  .mini-stats{grid-template-columns:1fr 1fr}
  .row-2{grid-template-columns:1fr}
  .consult .info,.consult .form{padding:32px 24px}
  .cta-band{padding:36px 26px}
  .footer-top{grid-template-columns:1fr}
  .hero-inner{padding:64px 0 56px}
  .partners{gap:30px}
  .partners .p{font-size:16px}
}