/*
Theme Name: Titanium Battery
Theme URI: https://titaniumbattery.vn/
Author: Titanium Battery
Author URI: https://titaniumbattery.vn/
Description: Dark Tech / Metallic Titanium theme for Titanium Battery.
Version: 1.5.0
Text Domain: titanium-battery
*/

:root{
  --tb-navy:#0B0F14;
  --tb-slate-900:#0A0E14;
  --tb-slate-800:#111827;
  --tb-slate-700:#1F2937;
  --tb-silver:#D1D5DB;
  --tb-orange:#E11D2E;
  --tb-white:#F8FAFC;
  --tb-muted:rgba(226,232,240,.92);
  --tb-border:rgba(209,213,219,.18);
  --tb-card:rgba(10,14,20,.72);
  --tb-glow:rgba(225,29,46,.55);
  --tb-shadow:0 20px 50px rgba(0,0,0,.55);
  --tb-radius:18px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--tb-white);
  background:linear-gradient(135deg,#0B0F14 0%,#111827 50%,#1F2937 100%);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,Helvetica,sans-serif;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.tb-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.tb-section{padding:88px 0}
.tb-kicker{
  display:inline-flex;
  gap:10px;
  align-items:center;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:12px;
  color:var(--tb-muted);
}
.tb-h2{margin:14px 0 0;font-size:34px;line-height:1.15}
.tb-lead{margin:14px 0 0;max-width:64ch;color:var(--tb-muted);font-size:16px}

.tb-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid var(--tb-border);
  background:rgba(15,23,42,.65);
  color:var(--tb-white);
  gap:10px;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
}
.tb-btn:hover{transform:translateY(-1px);border-color:rgba(225,29,46,.55);box-shadow:0 0 0 6px rgba(225,29,46,.08)}
.tb-btn--orange{
  background:linear-gradient(180deg,rgba(225,29,46,.95),rgba(225,29,46,.78));
  border-color:rgba(225,29,46,.9);
  color:var(--tb-white);
  font-weight:700;
  box-shadow:0 14px 35px rgba(225,29,46,.24);
}
.tb-btn--orange:hover{box-shadow:0 20px 45px rgba(225,29,46,.32)}
.tb-btn--ghost{
  background:rgba(11,18,32,.55);
  border-color:rgba(192,199,209,.18);
  color:var(--tb-white);
}

.tb-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter:blur(10px);
  background:rgba(11,18,32,.55);
  border-bottom:1px solid rgba(192,199,209,.12);
}
.tb-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:10px 0;
}
.tb-brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:200px;
}
.tb-brand .custom-logo-link{display:inline-flex;align-items:center}
.tb-brand .custom-logo{max-height:clamp(52px,5vw,64px);width:auto}
.tb-brand__img{height:clamp(52px,5vw,64px);width:auto;display:block}
.tb-brand__mark{
  width:38px;height:38px;border-radius:12px;
  background:
    radial-gradient(circle at 30% 25%, rgba(225,29,46,.95), rgba(225,29,46,0) 55%),
    linear-gradient(135deg, rgba(192,199,209,.4), rgba(192,199,209,0));
  border:1px solid rgba(192,199,209,.22);
  box-shadow:0 0 0 6px rgba(225,29,46,.08);
}
.tb-brand__text{
  font-weight:800;
  letter-spacing:.06em;
  font-size:14px;
  line-height:1.1;
}
.tb-brand__text span{display:block;color:rgba(192,199,209,.88);font-weight:600;letter-spacing:.14em;font-size:11px;margin-top:2px}

.tb-nav{display:none}
.tb-nav ul{list-style:none;padding:0;margin:0;display:flex;gap:18px;align-items:center}
.tb-nav a{
  padding:10px 10px;
  border-radius:999px;
  color:rgba(226,232,240,.92);
  border:1px solid transparent;
  transition:background .15s ease, border-color .15s ease, color .15s ease;
}
.tb-nav a:hover{
  background:rgba(15,23,42,.55);
  border-color:rgba(192,199,209,.18);
  color:var(--tb-white);
}
.tb-header__cta{display:flex;align-items:center;gap:10px}
.tb-header__mobile-toggle,
.tb-mobile-nav,
.tb-mobile-sticky-bar{display:none}

.tb-hero{
  position:relative;
  padding:88px 0 64px;
  overflow:hidden;
}
.tb-hero__bg{
  position:absolute;inset:-40px;
  background:
    radial-gradient(800px 450px at 10% 15%, rgba(225,29,46,.12), rgba(225,29,46,0) 65%),
    radial-gradient(650px 380px at 85% 25%, rgba(192,199,209,.16), rgba(192,199,209,0) 70%),
    radial-gradient(900px 520px at 45% 85%, rgba(14,165,233,.12), rgba(14,165,233,0) 70%);
  filter:saturate(1.1);
}
.tb-particles{position:absolute;inset:0;opacity:.42}
.tb-hero__inner{position:relative;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.tb-hero__copy{
  padding:26px 24px;
  border-radius:var(--tb-radius);
  border:1px solid rgba(192,199,209,.18);
  background:linear-gradient(180deg,rgba(15,23,42,.62),rgba(11,18,32,.62));
  box-shadow:var(--tb-shadow);
}
.tb-title{
  margin:8px 0 0;
  font-size:44px;
  letter-spacing:.08em;
  line-height:1.05;
  text-transform:uppercase;
}
.tb-title__glow{
  display:inline-block;
  text-shadow:0 0 24px rgba(225,29,46,.28);
}
.tb-subtitle{margin:12px 0 0;max-width:60ch;color:var(--tb-muted);font-size:15px}
.tb-hero__actions{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px}

.tb-hero__visual{
  position:relative;
  border-radius:var(--tb-radius);
  overflow:hidden;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(900px 520px at 30% 20%, rgba(225,29,46,.14), rgba(225,29,46,0) 60%),
    linear-gradient(135deg, rgba(192,199,209,.20), rgba(192,199,209,0));
  box-shadow:var(--tb-shadow);
  min-height:260px;
}
.tb-hero__visual::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(0deg, rgba(11,18,32,.85), rgba(11,18,32,0));
}
.tb-hero__visual-inner{
  position:absolute;inset:0;
  display:flex;align-items:flex-end;justify-content:flex-start;
  padding:18px 18px;
}
.tb-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(15,23,42,.55);
  color:rgba(226,232,240,.95);
  font-size:12px;
}
.tb-dot{width:10px;height:10px;border-radius:999px;background:rgba(225,29,46,.95);box-shadow:0 0 0 6px rgba(225,29,46,.14)}

.tb-grid{display:grid;gap:16px}
.tb-grid--3{grid-template-columns:1fr}
.tb-grid--4{grid-template-columns:1fr}

.tb-card{
  position:relative;
  border-radius:var(--tb-radius);
  border:1px solid rgba(192,199,209,.16);
  background:linear-gradient(180deg, rgba(15,23,42,.70), rgba(11,18,32,.70));
  box-shadow:0 18px 40px rgba(0,0,0,.40);
  overflow:hidden;
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.tb-card:hover{
  transform:translateY(-3px);
  border-color:rgba(225,29,46,.45);
  box-shadow:0 22px 55px rgba(0,0,0,.55), 0 0 0 7px rgba(225,29,46,.08);
}
.tb-card__inner{padding:18px}
.tb-card__title{margin:0 0 8px;font-size:16px;letter-spacing:.02em}
.tb-meta{display:flex;flex-wrap:wrap;gap:10px;color:rgba(226,232,240,.9);font-size:12px}
.tb-badge{
  display:inline-flex;align-items:center;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(15,23,42,.55);
}
.tb-card__actions{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.tb-product-card__actions .tb-btn{min-width:140px}

.tb-product-archive__heading{max-width:820px}
.tb-product-archive__hero{
  padding:28px;
  border-radius:26px;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(580px 220px at 8% 14%, rgba(225,29,46,.14), rgba(225,29,46,0) 68%),
    linear-gradient(180deg, rgba(8,13,24,.92), rgba(5,9,16,.98));
  box-shadow:0 28px 60px rgba(0,0,0,.44);
}
.tb-product-archive__utility{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  margin-top:18px;
}
.tb-product-archive__utility-main,
.tb-product-archive__utility-secondary{
  display:flex;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
}
.tb-product-archive__count{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(15,23,42,.55);
  color:rgba(248,250,252,.92);
  font-weight:700;
}
.tb-product-archive__chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}
.tb-product-archive__filter-summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:12px;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid rgba(225,29,46,.18);
  background:rgba(8,13,24,.72);
}
.tb-product-archive__filter-summary[hidden]{
  display:none !important;
}
.tb-product-archive__filter-summary-count{
  color:rgba(248,250,252,.92);
  font-weight:700;
}
.tb-product-archive__chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid rgba(225,29,46,.28);
  border-radius:999px;
  padding:8px 12px;
  background:rgba(8,13,24,.62);
  color:rgba(248,250,252,.92);
  cursor:pointer;
}
.tb-product-archive__layout{
  display:grid;
  gap:22px;
  grid-template-columns:1fr;
  margin-top:24px;
}
.tb-product-archive__results{min-width:0}
.tb-product-filters{
  border-radius:24px;
  border:1px solid rgba(192,199,209,.16);
  background:linear-gradient(180deg, rgba(15,23,42,.7), rgba(8,13,24,.88));
  box-shadow:0 24px 60px rgba(0,0,0,.34);
  padding:20px;
  display:flex;
  flex-direction:column;
}
.tb-product-filters__header{margin-bottom:18px;flex:0 0 auto}
.tb-product-filters__title{
  margin:0;
  font-size:22px;
  line-height:1.1;
}
.tb-product-filters__hint{
  margin:10px 0 0;
  color:rgba(226,232,240,.76);
  font-size:14px;
}
.tb-product-filters__body{
  flex:1 1 auto;
  overflow:auto;
  padding-right:6px;
  margin-right:-6px;
}
.tb-product-filters__panel-actions{
  display:flex;
  gap:12px;
  margin-top:16px;
}
.tb-product-filters__group + .tb-product-filters__group{
  margin-top:12px;
}
.tb-product-filters__label{
  display:block;
  color:rgba(248,250,252,.92);
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.tb-product-filters__group{
  border:1px solid rgba(192,199,209,.12);
  border-radius:18px;
  background:rgba(8,13,24,.45);
  overflow:hidden;
}
.tb-product-filters__group-toggle{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border:0;
  background:transparent;
  color:inherit;
  cursor:pointer;
}
.tb-product-filters__group-toggle:hover{
  background:rgba(255,255,255,.03);
}
.tb-product-filters__group-icon{
  position:relative;
  width:12px;
  height:12px;
  flex:0 0 12px;
}
.tb-product-filters__group-icon::before,
.tb-product-filters__group-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:10px;
  height:2px;
  border-radius:999px;
  background:#F43F5E;
  transform:translate(-50%, -50%);
}
.tb-product-filters__group-icon::after{
  transform:translate(-50%, -50%) rotate(90deg);
}
.tb-product-filters__group:not(.is-collapsed) .tb-product-filters__group-icon::after{
  opacity:0;
}
.tb-product-filters__group-panel{
  padding:0 16px 16px;
}
.tb-product-filters__group.is-collapsed .tb-product-filters__group-panel{
  display:none;
}
.tb-product-filters__search{
  width:100%;
  min-height:46px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(225,29,46,.22);
  background:rgba(2,6,23,.9);
  color:var(--tb-white);
  outline:none;
}
.tb-product-filters__search:focus{
  border-color:rgba(225,29,46,.45);
  box-shadow:0 0 0 6px rgba(225,29,46,.08);
}
.tb-product-filters__select{
  width:100%;
  min-height:46px;
  margin-top:10px;
  border-radius:14px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(2,6,23,.92);
  color:#f8fafc;
  padding:0 14px;
  outline:none;
}
.tb-product-filters__select:focus{
  border-color:rgba(225,29,46,.45);
  box-shadow:0 0 0 6px rgba(225,29,46,.08);
}
.tb-product-filters__suggestions{
  margin-top:10px;
  border:1px solid rgba(192,199,209,.12);
  border-radius:14px;
  background:rgba(8,13,24,.94);
  overflow:hidden;
}
.tb-product-filters__suggestion{
  width:100%;
  display:block;
  padding:10px 14px;
  border:0;
  border-bottom:1px solid rgba(192,199,209,.08);
  background:transparent;
  color:#e2e8f0;
  text-align:left;
  cursor:pointer;
}
.tb-product-filters__suggestion:last-child{
  border-bottom:0;
}
.tb-product-filters__suggestion:hover{
  background:rgba(225,29,46,.08);
}
.tb-product-filters__options{
  display:grid;
  gap:8px;
}
.tb-product-filters__option{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:42px;
  padding:0 12px;
  border-radius:12px;
  border:1px solid rgba(192,199,209,.08);
  background:rgba(15,23,42,.42);
  color:rgba(226,232,240,.92);
  cursor:pointer;
}
.tb-product-filters__option input{
  accent-color:#E11D2E;
}
.tb-product-archive__empty{
  margin-top:24px;
  padding:24px;
  border-radius:22px;
  border:1px solid rgba(192,199,209,.16);
  background:rgba(8,13,24,.86);
}
.tb-product-archive__empty h2{
  margin:0;
  font-size:26px;
}
.tb-product-archive__empty p{
  margin:10px 0 0;
  color:rgba(226,232,240,.8);
}
.tb-product-filters__drawer{
  position:fixed;
  inset:0;
  z-index:9998;
}
.tb-product-filters__drawer[hidden]{
  display:none !important;
}
.tb-product-filters__backdrop{
  position:absolute;
  inset:0;
  background:rgba(2,6,12,.82);
  backdrop-filter:blur(8px);
}
.tb-product-filters__panel{
  position:relative;
  z-index:1;
  width:min(92vw, 420px);
  height:100%;
  margin-left:auto;
  padding:24px 18px;
  overflow:auto;
  background:linear-gradient(180deg, rgba(15,23,42,.96), rgba(8,13,24,.98));
  box-shadow:-20px 0 60px rgba(0,0,0,.45);
}
.tb-product-filters__panel-header,
.tb-product-filters__panel-actions{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:18px;
}
body.tb-filter-drawer-open{
  overflow:hidden;
}
.tb-product-archive__filter-trigger{
  display:inline-flex;
}
.tb-product-grid{display:grid;gap:22px;grid-template-columns:1fr}
.tb-product-card{
  position:relative;
  display:grid;
  border-radius:26px;
  overflow:hidden;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(580px 220px at 8% 14%, rgba(225,29,46,.14), rgba(225,29,46,0) 68%),
    linear-gradient(180deg, rgba(8,13,24,.92), rgba(5,9,16,.98));
  box-shadow:0 28px 60px rgba(0,0,0,.44);
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.tb-product-card:hover{
  transform:translateY(-4px);
  border-color:rgba(225,29,46,.42);
  box-shadow:0 32px 80px rgba(0,0,0,.5), 0 0 0 7px rgba(225,29,46,.07);
}
.tb-product-card__image{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  min-height:332px;
  padding:8px 8px 16px;
  background:
    radial-gradient(circle at 50% 72%, rgba(225,29,46,.14), rgba(225,29,46,0) 46%),
    radial-gradient(circle at 50% 18%, rgba(255,255,255,.92), rgba(255,255,255,0) 54%),
    linear-gradient(180deg, #F8FAFC 0%, #EEF2F6 100%);
}
.tb-product-card__image img{
  display:block;
  width:auto;
  height:auto;
  max-width:min(96%, 420px);
  max-height:96%;
  object-fit:contain;
  transform-origin:center;
  transform:scale(1.12);
  filter:drop-shadow(0 18px 28px rgba(15,23,42,.22));
}
.tb-product-card__placeholder{
  width:min(100%,380px);
  height:280px;
  border-radius:24px;
  border:1px solid rgba(192,199,209,.18);
  background:
    radial-gradient(circle at 50% 72%, rgba(225,29,46,.12), rgba(225,29,46,0) 44%),
    linear-gradient(180deg, rgba(247,248,250,.96), rgba(238,241,245,.92));
}
.tb-product-card__body{padding:22px 22px 24px}
.tb-product-card__kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  border-radius:999px;
  border:1px solid rgba(225,29,46,.3);
  background:rgba(8,13,24,.54);
  color:rgba(241,245,249,.86);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.tb-product-card__title{
  margin:16px 0 0;
  font-size:28px;
  line-height:1.04;
  letter-spacing:.02em;
  text-transform:uppercase;
}
.tb-product-card__title a:hover{color:#fff}
.tb-product-card__code{
  margin-top:10px;
  font-size:17px;
  font-weight:800;
  color:#F43F5E;
  text-transform:uppercase;
}
.tb-product-card__price{
  margin-top:14px;
  font-size:clamp(24px,3vw,34px);
  line-height:1.05;
  font-weight:800;
  color:#F8FAFC;
  text-shadow:0 0 24px rgba(225,29,46,.12);
}
.tb-product-card__price-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(225,29,46,.26);
  background:rgba(8,13,24,.6);
  color:rgba(226,232,240,.92);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.tb-product-card__excerpt{
  margin:12px 0 0;
  color:rgba(226,232,240,.92);
  font-size:14px;
}
.tb-product-card__stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.tb-product-card__actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.tb-product-card--compact .tb-product-card__image{min-height:220px;padding-top:22px}
.tb-product-card--compact .tb-product-card__title{font-size:22px}
.tb-product-card--compact .tb-product-card__code{font-size:15px}

.tb-product-single{padding-top:70px}
.tb-product-single__layout{display:grid;gap:32px;align-items:start}
.tb-product-single__visual,
.tb-product-single__content{
  position:relative;
}
.tb-product-single__stage{
  position:relative;
  min-height:520px;
  margin-top:18px;
  padding:32px 26px 72px;
  border-radius:30px;
  overflow:hidden;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(circle at 50% 78%, rgba(225,29,46,.16), rgba(225,29,46,0) 48%),
    radial-gradient(circle at 50% 14%, rgba(255,255,255,.98), rgba(255,255,255,0) 56%),
    linear-gradient(180deg, rgba(248,250,252,.96), rgba(238,242,246,.92));
  box-shadow:0 32px 80px rgba(2,6,12,.26);
}
.tb-product-single__stage::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(500px 120px at 50% 96%, rgba(225,29,46,.28), rgba(225,29,46,0) 72%),
    linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,0) 26%);
  pointer-events:none;
}
.tb-product-single__image,
.tb-product-single__placeholder{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:390px;
}
.tb-product-single__image img{
  width:100%;
  max-width:min(88%, 440px);
  max-height:420px;
  object-fit:contain;
  filter:drop-shadow(0 24px 34px rgba(15,23,42,.24));
}
.tb-product-gallery{
  position:relative;
  z-index:1;
}
.tb-product-gallery__main{
  display:flex;
  width:100%;
  padding:0;
  border:0;
  background:transparent;
  cursor:zoom-in;
}
.tb-product-gallery__main img{
  width:100%;
}
.tb-product-gallery__thumbs{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:12px;
  margin-top:18px;
}
.tb-product-gallery__thumb{
  padding:10px;
  border-radius:18px;
  border:1px solid rgba(192,199,209,.16);
  background:rgba(8,13,24,.72);
  cursor:pointer;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.tb-product-gallery__thumb:hover,
.tb-product-gallery__thumb.is-active{
  border-color:rgba(225,29,46,.48);
  transform:translateY(-2px);
  box-shadow:0 16px 30px rgba(0,0,0,.24);
}
.tb-product-gallery__thumb img{
  width:100%;
  height:86px;
  object-fit:contain;
}
.tb-product-gallery__hint{
  margin-top:14px;
  color:rgba(226,232,240,.72);
  font-size:13px;
  text-align:center;
}
.tb-product-single__placeholder{
  border-radius:28px;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(circle at 50% 72%, rgba(225,29,46,.12), rgba(225,29,46,0) 44%),
    linear-gradient(180deg, rgba(248,250,252,.96), rgba(238,242,246,.92));
}
.tb-product-single__platform{
  position:absolute;
  left:6%;
  right:6%;
  bottom:26px;
  height:46px;
  border-radius:999px;
  background:linear-gradient(180deg, rgba(255,255,255,.5), rgba(203,213,225,.82));
  box-shadow:0 16px 30px rgba(15,23,42,.18), 0 0 0 1px rgba(225,29,46,.14), 0 0 22px rgba(225,29,46,.14);
}
.tb-product-single__benefits{
  display:grid;
  gap:14px;
  margin-top:18px;
}
.tb-product-benefit{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid rgba(192,199,209,.12);
  background:rgba(8,13,24,.65);
}
.tb-product-benefit__icon{
  width:38px;
  height:38px;
  border-radius:999px;
  flex:0 0 auto;
  border:1px solid rgba(225,29,46,.4);
  background:
    radial-gradient(circle at 40% 40%, rgba(225,29,46,.28), rgba(225,29,46,0) 60%),
    rgba(10,14,20,.92);
}
.tb-product-benefit__title{
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.tb-product-benefit__text{
  margin-top:4px;
  color:rgba(226,232,240,.78);
  font-size:13px;
}
.tb-product-single__heading{margin:0;font:inherit;font-weight:700}
.tb-product-single__heading > span{display:block}
.tb-product-single__brand{
  margin:16px 0 0;
  font-size:clamp(34px,5vw,64px);
  line-height:1;
  text-transform:uppercase;
  letter-spacing:.02em;
}
.tb-product-single__code{
  margin-top:12px;
  font-size:clamp(30px,4vw,56px);
  line-height:1.02;
  font-weight:800;
  color:#E11D2E;
  text-transform:uppercase;
}
.tb-product-single__price-block{margin-top:18px}
.tb-product-single__price{
  font-size:clamp(28px,3.6vw,52px);
  line-height:1.02;
  font-weight:800;
  color:#F8FAFC;
  text-shadow:0 0 30px rgba(225,29,46,.16);
}
.tb-product-single__price-status{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:12px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(225,29,46,.3);
  background:rgba(8,13,24,.64);
  color:rgba(248,250,252,.92);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.tb-product-single__price-note{
  margin-top:10px;
  color:rgba(226,232,240,.76);
  font-size:13px;
  line-height:1.6;
}
.tb-product-single__summary{
  margin-top:14px;
  color:rgba(241,245,249,.92);
  font-size:clamp(18px,2.2vw,34px);
  line-height:1.15;
}
.tb-product-single__origin{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid rgba(192,199,209,.2);
  background:rgba(8,13,24,.62);
  color:rgba(248,250,252,.92);
}
.tb-product-single__origin-flag{
  width:18px;
  height:18px;
  border-radius:999px;
  background:
    linear-gradient(180deg, #fff 33%, #ef4444 33%, #ef4444 66%, #1d4ed8 66%);
  box-shadow:0 0 0 3px rgba(255,255,255,.08);
}
.tb-product-single__desc{
  margin:20px 0 0;
  color:rgba(226,232,240,.92);
  font-size:18px;
  line-height:1.7;
}
.tb-specs{
  margin-top:22px;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(192,199,209,.16);
  background:rgba(8,13,24,.76);
  box-shadow:0 20px 50px rgba(0,0,0,.3);
}
.tb-specs__title{
  margin:0;
  padding:18px 20px;
  color:#F43F5E;
  font-size:15px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.tb-specs__row{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:20px;
  padding:15px 20px;
  border-top:1px solid rgba(192,199,209,.1);
}
.tb-specs__label{color:rgba(226,232,240,.78)}
.tb-specs__value{
  color:#F8FAFC;
  font-weight:700;
  text-align:right;
}
.tb-product-single__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:24px;
}
.tb-product-lightbox{
  position:fixed;
  inset:0;
  z-index:9999;
}
.tb-product-lightbox[hidden]{
  display:none !important;
}
.tb-product-lightbox__backdrop{
  position:absolute;
  inset:0;
  background:rgba(2,6,12,.84);
  backdrop-filter:blur(10px);
}
.tb-product-lightbox__dialog{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:center;
  width:min(92vw, 1100px);
  min-height:100vh;
  margin:0 auto;
  padding:40px 0;
}
.tb-product-lightbox__image{
  width:100%;
  max-height:82vh;
  object-fit:contain;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,.45));
}
.tb-product-lightbox__close{
  position:absolute;
  top:24px;
  right:0;
  width:48px;
  height:48px;
  border-radius:999px;
  border:1px solid rgba(192,199,209,.22);
  background:rgba(8,13,24,.88);
  color:#F8FAFC;
  font-size:28px;
  line-height:1;
  cursor:pointer;
}
body.tb-lightbox-open{
  overflow:hidden;
}

.tb-tech{
  position:relative;
  background:
    radial-gradient(900px 520px at 15% 20%, rgba(192,199,209,.12), rgba(192,199,209,0) 62%),
    radial-gradient(650px 380px at 85% 35%, rgba(225,29,46,.10), rgba(225,29,46,0) 70%);
  border-top:1px solid rgba(192,199,209,.10);
  border-bottom:1px solid rgba(192,199,209,.10);
}
.tb-infobox{
  border-radius:var(--tb-radius);
  border:1px solid rgba(192,199,209,.16);
  background:linear-gradient(180deg, rgba(192,199,209,.08), rgba(15,23,42,.55));
  padding:18px;
}
.tb-infobox h3{margin:0 0 8px;font-size:16px}
.tb-infobox p{margin:0;color:var(--tb-muted);font-size:13px}

.tb-adv .tb-card{background:linear-gradient(180deg, rgba(15,23,42,.58), rgba(11,18,32,.70))}
.tb-adv .tb-card__inner{display:flex;gap:14px;align-items:flex-start}
.tb-icon{
  width:42px;height:42px;border-radius:14px;
  border:1px solid rgba(192,199,209,.18);
  background:radial-gradient(circle at 30% 30%, rgba(225,29,46,.22), rgba(225,29,46,0) 60%), rgba(15,23,42,.55);
  box-shadow:0 0 0 6px rgba(225,29,46,.07);
  flex:0 0 auto;
}

.tb-form{
  display:grid;gap:12px;
  padding:18px;
  border-radius:var(--tb-radius);
  border:1px solid rgba(192,199,209,.16);
  background:linear-gradient(180deg, rgba(15,23,42,.62), rgba(11,18,32,.62));
}
.tb-field{display:grid;gap:6px}
.tb-field label{font-size:12px;color:rgba(226,232,240,.92)}
.tb-field input,.tb-field select,.tb-field textarea{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(11,18,32,.55);
  color:var(--tb-white);
  outline:none;
}
.tb-field input:focus,.tb-field select:focus,.tb-field textarea:focus{border-color:rgba(225,29,46,.45);box-shadow:0 0 0 6px rgba(225,29,46,.08)}
.tb-note{font-size:12px;color:rgba(226,232,240,.86)}

.tb-footer{
  border-top:1px solid rgba(192,199,209,.10);
  padding:44px 0;
  background:rgba(11,18,32,.45);
}
.tb-footer__grid{display:grid;gap:22px}
.tb-footer__contact{display:grid;gap:12px}
.tb-footer__title{margin:0 0 10px;font-size:14px;letter-spacing:.04em}
.tb-footer__links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.tb-footer__links a{color:rgba(226,232,240,.92)}
.tb-footer__links a:hover{color:var(--tb-white)}
.tb-footer__bottom{margin-top:22px;padding-top:18px;border-top:1px solid rgba(192,199,209,.10);color:rgba(226,232,240,.82);font-size:12px}

.tb-home-utility-links{
  position:relative;
}
.tb-home-utility-links .tb-card{
  height:100%;
}
.tb-utility-page__hero{
  padding:28px;
  border-radius:26px;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(620px 260px at 8% 12%, rgba(225,29,46,.14), rgba(225,29,46,0) 70%),
    linear-gradient(180deg, rgba(8,13,24,.92), rgba(5,9,16,.98));
  box-shadow:0 28px 60px rgba(0,0,0,.44);
}
.tb-utility-page__content{
  margin-top:18px;
  color:rgba(226,232,240,.92);
  line-height:1.75;
}
.tb-utility-page__content > :first-child{
  margin-top:0;
}
.tb-utility-page__content > :last-child{
  margin-bottom:0;
}
.tb-entry{max-width:940px}
.tb-breadcrumbs{margin:0 0 24px;font-size:14px;line-height:1.6;color:var(--tb-muted)}
.tb-breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px 12px;margin:0;padding:0;list-style:none}
.tb-breadcrumbs li{display:inline-flex;align-items:center;gap:12px;min-width:0;overflow-wrap:anywhere}
.tb-breadcrumbs li + li::before{content:"";width:6px;height:6px;flex:none;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.tb-breadcrumbs a{text-decoration:underline;text-underline-offset:3px}
.tb-breadcrumbs a:hover,.tb-breadcrumbs [aria-current="page"]{color:var(--tb-white)}
.tb-breadcrumbs a:focus-visible{outline:2px solid var(--tb-white);outline-offset:4px;border-radius:2px}
.tb-entry__image{margin-top:24px}
.tb-entry__image img{border-radius:12px}
.tb-entry-content{overflow-wrap:anywhere}
.tb-entry-content a,.tb-dealer-details a{text-decoration:underline;text-underline-offset:3px}
.tb-entry-content h2,.tb-entry-content h3{line-height:1.3;margin-top:1.5em}
.tb-entry-content table{display:block;max-width:100%;overflow-x:auto}
.tb-listing-header{margin-bottom:28px}
.tb-dealer-details{margin:24px 0 0}
.tb-dealer-details > div{padding:12px 0;border-bottom:1px solid var(--tb-border)}
.tb-dealer-details dt{font-weight:700}
.tb-dealer-details dd{margin:4px 0 0;color:var(--tb-muted)}
.tb-pagination,.tb-content-pagination{margin-top:28px}
.tb-pagination ul.page-numbers{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}
.tb-pagination .nav-links,.tb-content-pagination{display:flex;flex-wrap:wrap;gap:8px}
.tb-pagination a.page-numbers,.tb-pagination span.page-numbers,.tb-content-pagination > *{display:inline-block;padding:9px 14px;border:1px solid var(--tb-border);border-radius:8px}
.tb-pagination .current,.tb-content-pagination .current{background:var(--tb-orange);color:var(--tb-white)}
.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.tb-utility-page__grid,
.tb-knowledge-page__grid,
.tb-contact-page__grid,
.tb-dealer-archive__layout{
  display:grid;
  gap:18px;
  margin-top:24px;
}
.tb-dealer-archive__list{
  margin-top:16px;
  display:grid;
  gap:12px;
}

.tb-reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease, transform .55s ease}
.tb-reveal.is-visible{opacity:1;transform:translateY(0)}

.tb-tech-hub,
.tb-tech-chapter{
  position:relative;
}
.tb-tech-chapter-hero,
.tb-tech-section{
  margin-top:24px;
}
.tb-tech-chapter-index{
  align-items:stretch;
  margin-top:24px;
}
.tb-tech-chapter-card,
.tb-tech-range-card{
  height:100%;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.tb-tech-chapter-card:hover,
.tb-tech-range-card:hover{
  transform:translateY(-4px);
}
.tb-tech-pagination{
  position:sticky;
  top:88px;
  z-index:20;
  display:grid;
  gap:14px;
  padding:18px;
  border-radius:24px;
  border:1px solid rgba(192,199,209,.14);
  background:rgba(8,13,24,.78);
  backdrop-filter:blur(12px);
  box-shadow:0 20px 44px rgba(0,0,0,.26);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
.tb-tech-pagination.is-stuck{
  border-color:rgba(225,29,46,.22);
  box-shadow:0 24px 54px rgba(0,0,0,.32);
}
.tb-tech-pagination__links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tb-tech-nav__link{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid rgba(192,199,209,.14);
  background:rgba(15,23,42,.45);
  color:rgba(226,232,240,.9);
  transition:transform .25s ease, border-color .25s ease, background .25s ease, color .25s ease, box-shadow .25s ease;
}
.tb-tech-nav__link:hover{
  transform:translateY(-1px);
  border-color:rgba(225,29,46,.24);
  color:var(--tb-white);
}
.tb-tech-nav__link.is-active{
  color:var(--tb-white);
  background:linear-gradient(180deg, rgba(225,29,46,.22), rgba(15,23,42,.82));
  border-color:rgba(225,29,46,.48);
  box-shadow:0 0 0 5px rgba(225,29,46,.08);
}

.tb-brand-story,
.tb-global,
.tb-manufacturing,
.tb-product-showcase{
  position:relative;
}
.tb-brand-story__grid{
  display:grid;
  gap:18px;
}
.tb-brand-story__panel,
.tb-brand-story__aside,
.tb-stat-card,
.tb-tech-card,
.tb-showcase-card{
  border-radius:28px;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(580px 220px at 8% 12%, rgba(225,29,46,.10), rgba(225,29,46,0) 70%),
    linear-gradient(180deg, rgba(15,23,42,.74), rgba(8,13,24,.88));
  box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.tb-brand-story__panel,
.tb-brand-story__aside{
  padding:24px;
}
.tb-brand-story__text{
  margin:14px 0 0;
  color:rgba(226,232,240,.92);
  line-height:1.75;
}
.tb-brand-story__timeline{
  display:grid;
  gap:14px;
  margin-top:22px;
}
.tb-brand-story__milestone{
  display:grid;
  gap:8px;
  padding:16px 18px;
  border-radius:20px;
  border:1px solid rgba(192,199,209,.14);
  background:rgba(8,13,24,.5);
}
.tb-brand-story__year{
  font-size:28px;
  line-height:1;
  font-weight:900;
  letter-spacing:.06em;
  color:#F43F5E;
}
.tb-brand-story__milestone p,
.tb-brand-story__aside p{
  margin:0;
  color:var(--tb-muted);
}
.tb-brand-story__badge{
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(225,29,46,.28);
  background:rgba(8,13,24,.56);
  color:rgba(248,250,252,.92);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.tb-brand-story__aside h3{
  margin:18px 0 12px;
  font-size:26px;
  line-height:1.15;
}
.tb-brand-story__points{
  margin:18px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:12px;
}
.tb-brand-story__points li{
  position:relative;
  padding-left:20px;
  color:var(--tb-muted);
}
.tb-brand-story__points li::before{
  content:"";
  position:absolute;
  left:0;
  top:.6em;
  width:8px;
  height:8px;
  border-radius:999px;
  background:#F43F5E;
  box-shadow:0 0 0 5px rgba(225,29,46,.12);
}
.tb-global__stats,
.tb-manufacturing__grid,
.tb-product-showcase__grid{
  display:grid;
  gap:18px;
  margin-top:22px;
}
.tb-stat-card{
  padding:22px;
}
.tb-stat-card__value{
  font-size:clamp(30px,4vw,52px);
  line-height:1;
  font-weight:900;
  color:#F8FAFC;
  text-shadow:0 0 24px rgba(225,29,46,.16);
}
.tb-stat-card h3,
.tb-tech-card h3{
  margin:16px 0 10px;
  font-size:18px;
}
.tb-stat-card p,
.tb-tech-card p{
  margin:0;
  color:var(--tb-muted);
  line-height:1.7;
}
.tb-tech-card{
  padding:22px;
}
.tb-showcase-card{
  overflow:hidden;
}
.tb-showcase-card__media{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:280px;
  padding:28px 24px 18px;
  background:
    radial-gradient(420px 120px at 50% 92%, rgba(225,29,46,.34), rgba(225,29,46,0) 72%),
    radial-gradient(380px 170px at 50% 20%, rgba(255,255,255,.05), rgba(255,255,255,0) 72%);
}
.tb-showcase-card__media img{
  width:100%;
  max-width:360px;
  max-height:240px;
  object-fit:contain;
  filter:drop-shadow(0 20px 34px rgba(0,0,0,.44));
}
.tb-showcase-card__body{
  padding:0 22px 24px;
}
.tb-showcase-card__title{
  margin:16px 0 0;
  font-size:24px;
  line-height:1.08;
  text-transform:uppercase;
}
.tb-showcase-card__code{
  margin-top:10px;
  color:#F43F5E;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.tb-showcase-card__stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.tb-showcase-card__text{
  margin:14px 0 18px;
  color:var(--tb-muted);
  line-height:1.7;
}

.tb-about-hero{
  padding-top:96px;
}
.tb-about-hero__layout,
.tb-about-dual__grid,
.tb-about-stat-grid,
.tb-about-tech-grid,
.tb-about-story__timeline{
  display:grid;
  gap:18px;
}
.tb-about-hero__copy,
.tb-about-hero__panel{
  border-radius:28px;
  border:1px solid rgba(192,199,209,.16);
  background:
    radial-gradient(540px 220px at 8% 12%, rgba(225,29,46,.10), rgba(225,29,46,0) 70%),
    linear-gradient(180deg, rgba(15,23,42,.74), rgba(8,13,24,.88));
  box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.tb-about-hero__copy{
  padding:28px 24px;
}
.tb-about-hero__panel{
  padding:24px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:18px;
}
.tb-about-hero__panel-text,
.tb-about-copy{
  margin:14px 0 0;
  color:var(--tb-muted);
  line-height:1.75;
}
.tb-about-story__timeline .tb-card,
.tb-about-dual .tb-card,
.tb-about-vietnam .tb-card,
.tb-about-cta .tb-card{
  border-radius:28px;
}
.tb-about-cta__inner{
  display:flex;
  flex-direction:column;
  gap:18px;
  justify-content:space-between;
}

.tb-ai-widget{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:9999;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:12px;
}
.tb-ai-fab{
  border:0;
  cursor:pointer;
  border-radius:999px;
  padding:12px 16px;
  color:#fff;
  font-weight:800;
  letter-spacing:.02em;
  background:linear-gradient(180deg, rgba(225,29,46,.92), rgba(190,18,60,.92));
  box-shadow:0 18px 45px rgba(0,0,0,.46), 0 0 0 8px rgba(225,29,46,.10);
}
.tb-ai-panel{
  width:min(420px, calc(100vw - 36px));
  height:min(560px, calc(100vh - 120px));
  border-radius:18px;
  border:1px solid rgba(192,199,209,.18);
  background:linear-gradient(180deg, rgba(15,23,42,.92), rgba(11,18,32,.96));
  box-shadow:0 22px 70px rgba(0,0,0,.62);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.tb-ai-panel[hidden]{
  display:none !important;
}
.tb-ai-widget.is-open .tb-ai-fab{
  display:none;
}
.tb-ai-panel--page{
  width:100%;
  height:auto;
  min-height:640px;
}
.tb-ai-panel__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-bottom:1px solid rgba(192,199,209,.14);
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,0));
}
.tb-ai-panel__title{
  font-weight:900;
  letter-spacing:.04em;
  color:#F8FAFC;
}
.tb-ai-panel__close{
  width:34px;
  height:34px;
  border-radius:12px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(11,18,32,.55);
  color:rgba(248,250,252,.9);
  cursor:pointer;
}
.tb-ai-messages{
  flex:1 1 auto;
  padding:14px 14px 10px;
  overflow:auto;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.tb-ai-msg{
  max-width:88%;
  padding:12px 12px;
  border-radius:16px;
  border:1px solid rgba(192,199,209,.14);
  background:rgba(11,18,32,.52);
  color:rgba(248,250,252,.92);
  white-space:pre-wrap;
  line-height:1.45;
  font-size:13px;
}
.tb-ai-msg.is-user{
  margin-left:auto;
  border-color:rgba(225,29,46,.28);
  background:linear-gradient(180deg, rgba(225,29,46,.18), rgba(11,18,32,.52));
}
.tb-ai-form{
  display:flex;
  gap:10px;
  padding:12px 12px 14px;
  border-top:1px solid rgba(192,199,209,.14);
}
.tb-ai-input{
  flex:1 1 auto;
  min-width:0;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(192,199,209,.18);
  background:rgba(11,18,32,.55);
  color:var(--tb-white);
  outline:none;
}
.tb-ai-input:focus{border-color:rgba(225,29,46,.45);box-shadow:0 0 0 6px rgba(225,29,46,.10)}
.tb-ai-send{
  border:0;
  border-radius:14px;
  padding:12px 14px;
  font-weight:800;
  color:#fff;
  cursor:pointer;
  background:linear-gradient(180deg, rgba(225,29,46,.92), rgba(190,18,60,.92));
}
.tb-ai-cta{
  padding:0 12px 14px;
}
.tb-ai-cta__wrap{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tb-ai-products,
.tb-ai-dealers{
  margin-top:10px;
  padding:12px;
  border-radius:16px;
  border:1px solid rgba(192,199,209,.14);
  background:rgba(11,18,32,.45);
}
.tb-ai-products__title,
.tb-ai-dealers__title{
  font-weight:900;
  letter-spacing:.04em;
  color:rgba(248,250,252,.92);
  margin-bottom:8px;
}
.tb-ai-products__item,
.tb-ai-dealers__item{
  display:block;
  color:rgba(226,232,240,.92);
  text-decoration:none;
  padding:8px 10px;
  border-radius:12px;
  border:1px solid rgba(192,199,209,.10);
  background:rgba(15,23,42,.45);
}
.tb-ai-products__item:hover,
.tb-ai-dealers__item:hover{
  border-color:rgba(225,29,46,.28);
  color:#fff;
}
.tb-ai--page{
  max-width:1100px;
  margin:0 auto;
  padding:20px 0;
}

@media (min-width: 900px){
  .tb-nav{display:block}
  .tb-hero__inner{grid-template-columns:1.2fr .8fr}
  .tb-grid--3{grid-template-columns:repeat(3, minmax(0,1fr))}
  .tb-grid--4{grid-template-columns:repeat(4, minmax(0,1fr))}
  .tb-brand-story__grid{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
  .tb-about-hero__layout{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}
  .tb-about-dual__grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .tb-about-stat-grid{grid-template-columns:repeat(4, minmax(0,1fr))}
  .tb-about-tech-grid{grid-template-columns:repeat(3, minmax(0,1fr))}
  .tb-about-story__timeline{grid-template-columns:repeat(2, minmax(0,1fr))}
  .tb-global__stats{grid-template-columns:repeat(4, minmax(0,1fr))}
  .tb-manufacturing__grid{grid-template-columns:repeat(3, minmax(0,1fr))}
  .tb-product-showcase__grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .tb-utility-page__grid{grid-template-columns:repeat(3, minmax(0,1fr))}
  .tb-knowledge-page__grid{grid-template-columns:repeat(3, minmax(0,1fr))}
  .tb-contact-page__grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .tb-dealer-archive__layout{grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr)}
  .tb-footer__grid{grid-template-columns:1.2fr 1fr 1fr 1fr}
  .tb-title{font-size:56px}
  .tb-product-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
  .tb-product-archive__layout{grid-template-columns:minmax(280px, 320px) minmax(0, 1fr);align-items:start}
  .tb-product-filters{position:sticky;top:110px}
  .tb-product-filters{max-height:calc(100vh - 132px)}
  .tb-product-single__layout{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr)}
  .tb-product-single__benefits{grid-template-columns:repeat(3, minmax(0,1fr))}
}

@media (min-width: 1200px){
  .tb-product-grid{grid-template-columns:repeat(3, minmax(0,1fr))}
  .tb-product-card__image{min-height:408px;padding:2px 2px 10px}
  .tb-product-card__image img{max-width:min(99%, 520px);max-height:99%;transform:scale(1.18)}
  .tb-product-card__placeholder{width:min(100%,460px);height:356px}
}

@media (min-width: 1440px){
  .tb-product-card__image{min-height:444px;padding:0 0 8px}
  .tb-product-card__image img{max-width:min(100%, 580px);max-height:100%;transform:scale(1.24)}
  .tb-product-card__placeholder{width:min(100%,500px);height:392px}
}

@media (max-width: 899px){
  .tb-product-filters[data-tb-filter-sidebar]{display:none}
  .tb-product-single__stage{min-height:420px;padding:24px 18px 66px}
  .tb-product-single__image,
  .tb-product-single__placeholder{min-height:280px}
  .tb-product-gallery__thumb img{height:72px}
  .tb-product-single__brand{font-size:40px}
  .tb-product-single__code{font-size:34px}
  .tb-product-single__desc{font-size:16px}
  .tb-specs__row{grid-template-columns:1fr}
  .tb-specs__value{text-align:left}
  .tb-about-hero__copy{padding:24px 20px}
  .tb-about-hero__panel{padding:20px}
  .tb-product-lightbox__dialog{width:min(94vw, 920px)}
  .tb-product-lightbox__close{top:16px;right:8px}
}

@media (max-width: 767px){
  .tb-container{padding:0 16px}
  .tb-section{padding:56px 0}
  .tb-h2{font-size:28px;line-height:1.12}
  .tb-lead{font-size:15px;line-height:1.68}
  .tb-btn{
    min-height:46px;
    padding:12px 14px;
  }
  .tb-header__inner{padding:8px 0}
  .tb-brand{
    min-width:0;
    gap:10px;
  }
  .tb-brand .custom-logo,
  .tb-brand__img{max-height:44px}
  .tb-header__cta .tb-btn--orange{display:none}
  .tb-hero{padding:56px 0 40px}
  .tb-hero__copy{padding:20px 18px}
  .tb-title{font-size:34px;line-height:1.04}
  .tb-subtitle{font-size:15px}
  .tb-hero__actions,
  .tb-hero__actions--mobile-stack{
    display:grid;
    grid-template-columns:1fr;
    gap:10px;
  }
  .tb-hero__actions .tb-btn{width:100%}
  .tb-hero__visual{min-height:180px}
  .tb-grid,
  .tb-footer__grid,
  .tb-about-dual__grid,
  .tb-about-stat-grid,
  .tb-about-tech-grid,
  .tb-about-story__timeline,
  .tb-brand-story__grid,
  .tb-global__stats,
  .tb-manufacturing__grid,
  .tb-product-showcase__grid{
    grid-template-columns:1fr;
  }
  .tb-brand-story__panel,
  .tb-brand-story__aside,
  .tb-about-hero__copy,
  .tb-about-hero__panel,
  .tb-stat-card,
  .tb-tech-card,
  .tb-showcase-card{border-radius:22px}
  .tb-brand-story__panel,
  .tb-brand-story__aside,
  .tb-about-hero__copy,
  .tb-about-hero__panel{padding:20px 18px}
  .tb-tech-pagination{
    top:74px;
    padding:16px;
    border-radius:20px;
  }
  .tb-tech-pagination__links{
    display:grid;
    grid-template-columns:1fr;
  }
  .tb-tech-nav__link{
    width:100%;
    justify-content:flex-start;
  }
  .tb-showcase-card__body{padding:0 18px 18px}
  .tb-showcase-card__title{font-size:22px}
  .tb-card__inner{padding:16px}
  .tb-utility-page__hero{padding:22px 18px;border-radius:22px}
  .tb-utility-page__grid,
  .tb-knowledge-page__grid,
  .tb-contact-page__grid,
  .tb-dealer-archive__layout{grid-template-columns:1fr}
  #tbDealerProvince{min-height:46px}
  #tbDealerList{gap:10px !important}
  .tb-infobox[data-province] .tb-btn{width:100%}
  .tb-header__mobile-toggle{
    display:inline-flex;
    width:46px;
    height:46px;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:4px;
    border-radius:14px;
    border:1px solid rgba(192,199,209,.18);
    background:rgba(11,18,32,.6);
    color:var(--tb-white);
    cursor:pointer;
  }
  .tb-header__mobile-toggle span{
    width:18px;
    height:2px;
    border-radius:999px;
    background:#F8FAFC;
  }
  .tb-mobile-nav{
    display:block;
    position:fixed;
    inset:0;
    z-index:9999;
  }
  .tb-mobile-nav[hidden]{
    display:none !important;
  }
  .tb-mobile-nav__backdrop{
    position:absolute;
    inset:0;
    background:rgba(2,6,12,.82);
    backdrop-filter:blur(8px);
  }
  .tb-mobile-nav__panel{
    position:relative;
    z-index:1;
    width:min(100vw, 420px);
    height:100%;
    margin-left:auto;
    padding:18px 16px 24px;
    background:linear-gradient(180deg, rgba(15,23,42,.96), rgba(8,13,24,.98));
    box-shadow:-18px 0 40px rgba(0,0,0,.35);
  }
  .tb-mobile-nav__header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .tb-mobile-nav__title{
    font-weight:800;
    letter-spacing:.06em;
    text-transform:uppercase;
  }
  .tb-mobile-nav__close{
    width:40px;
    height:40px;
    border-radius:12px;
    border:1px solid rgba(192,199,209,.18);
    background:rgba(11,18,32,.55);
    color:var(--tb-white);
    font-size:24px;
    line-height:1;
    cursor:pointer;
  }
  .tb-mobile-nav__links{
    display:grid;
    gap:10px;
    margin-top:20px;
  }
  .tb-mobile-nav__links a{
    min-height:46px;
    display:flex;
    align-items:center;
    padding:0 14px;
    border-radius:14px;
    border:1px solid rgba(192,199,209,.14);
    background:rgba(15,23,42,.58);
    color:rgba(248,250,252,.94);
  }
  .tb-mobile-sticky-bar{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:10px;
    position:fixed;
    left:12px;
    right:12px;
    bottom:12px;
    z-index:9997;
    padding:10px;
    border-radius:18px;
    border:1px solid rgba(192,199,209,.16);
    background:rgba(8,13,24,.92);
    box-shadow:0 18px 45px rgba(0,0,0,.42);
  }
  .tb-mobile-sticky-bar[hidden]{
    display:none !important;
  }
  .tb-mobile-sticky-bar .tb-btn{
    width:100%;
    min-height:46px;
  }
  .tb-product-archive__utility{
    gap:10px;
  }
  .tb-product-archive__utility-main{
    width:100%;
    justify-content:space-between;
  }
  .tb-product-archive__utility-secondary{
    width:100%;
  }
  .tb-product-archive__utility-secondary .tb-btn{
    width:100%;
  }
  .tb-product-filters__panel-actions{
    position:sticky;
    bottom:-18px;
    margin:16px -16px -18px;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    border-top:1px solid rgba(192,199,209,.12);
    background:linear-gradient(180deg, rgba(15,23,42,.98), rgba(8,13,24,.98));
    z-index:2;
  }
  .tb-product-filters__panel-actions .tb-btn{
    flex:1 1 0;
    min-height:46px;
  }
  .tb-product-card__actions .tb-btn{
    width:100%;
    min-height:46px;
  }
  .tb-product-single{padding-top:44px}
  .tb-product-single__layout{gap:18px}
  .tb-product-single__stage{
    min-height:320px;
    padding:18px 16px 44px;
    border-radius:24px;
  }
  .tb-product-single__image,
  .tb-product-single__placeholder{min-height:220px}
  .tb-product-gallery__thumbs{gap:10px}
  .tb-product-gallery__thumb{padding:8px;border-radius:14px}
  .tb-product-gallery__thumb img{height:64px}
  .tb-product-single__brand{font-size:30px}
  .tb-product-single__code{font-size:28px}
  .tb-product-single__price{font-size:30px}
  .tb-product-single__summary{font-size:18px;line-height:1.2}
  .tb-product-single__origin{margin-top:14px}
  .tb-product-single__desc{font-size:15px;line-height:1.7}
  .tb-specs{margin-top:18px;border-radius:20px}
  .tb-specs__title{padding:16px 16px 12px}
  .tb-specs__row{padding:12px 16px}
  .tb-product-single__actions{
    display:grid;
    grid-template-columns:1fr;
    gap:10px;
  }
  .tb-product-single__actions .tb-btn{
    width:100%;
    min-height:46px;
  }
  .tb-product-single__benefits{gap:10px}
  .tb-product-benefit{
    padding:12px 14px;
    border-radius:16px;
  }
  .tb-product-lightbox__dialog{
    width:100vw;
    padding:26px 12px;
  }
  .tb-ai-widget{
    right:12px;
    bottom:84px;
  }
  .tb-ai-fab{
    padding:12px 14px;
    min-height:46px;
  }
  .tb-ai-panel{
    width:min(100vw - 24px, 420px);
    height:min(72vh, 560px);
  }
  .tb-ai-form{flex-direction:column}
  .tb-ai-send{
    width:100%;
    min-height:46px;
  }
  .tb-footer{padding:36px 0}
  .tb-footer__grid{gap:18px}
  .tb-footer__contact{gap:10px}
  .tb-footer__links a{
    min-height:44px;
    display:flex;
    align-items:center;
  }
  body.tb-mobile-menu-open{
    overflow:hidden;
  }
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .tb-reveal,
  .tb-tech-chapter-card,
  .tb-tech-range-card,
  .tb-tech-pagination,
  .tb-tech-nav__link{
    transition:none;
    animation:none;
  }
  .tb-reveal{
    opacity:1;
    transform:none;
  }
  .tb-tech-chapter-card:hover,
  .tb-tech-range-card:hover,
  .tb-tech-nav__link:hover{
    transform:none;
  }
}

@media (min-width: 900px){
  .tb-product-archive__filter-trigger{display:none}
  .tb-product-filters__drawer{display:none !important}
}