/* ============================================================
   CÁP ĐIỆN TCT — Homepage sections  (scoped under .tct-page)
   Palette: navy kỹ thuật + cam thương hiệu #ff6a00 (từ logo)
   Toàn bộ selector nằm trong .tct-page → KHÔNG ảnh hưởng header/footer/theme.
   ============================================================ */
.tct-page{
  --navy-900:#0a1730; --navy-800:#0f2145; --navy-700:#14294d; --navy-600:#1d3a68;
  --orange:#ff6a00; --orange-600:#e85f00; --amber:#f99b1c;
  --paper:#eef2f8; --surface:#ffffff; --surface-2:#f6f8fc;
  --ink:#0e1726; --slate:#54607a; --slate-2:#7b869c; --line:#e2e8f2;
  --ok:#16a34a; --ring:rgba(255,106,0,.35);
  --shadow-sm:0 1px 2px rgba(13,26,51,.06),0 2px 8px rgba(13,26,51,.05);
  --shadow-md:0 6px 20px rgba(13,26,51,.09),0 2px 6px rgba(13,26,51,.06);
  --shadow-lg:0 18px 44px rgba(10,23,48,.16);
  --r:14px; --r-sm:10px; --r-lg:22px; --container:1200px;
  --f-display:inherit; --f-body:inherit; --f-mono:ui-monospace,Menlo,Consolas,monospace;
  color:var(--ink); font-size:16px; line-height:1.6;
}
.tct-page *{box-sizing:border-box}
.tct-page img{max-width:100%;height:auto;display:block}
.tct-page a{color:inherit;text-decoration:none}
.tct-page h1,.tct-page h2,.tct-page h3,.tct-page h4{margin:0;line-height:1.18;text-wrap:balance;letter-spacing:-.01em;font-family:var(--f-display);color:var(--ink)}
.tct-page p{margin:0}
.tct-page button{font-family:inherit;cursor:pointer}
.tct-page ul{margin:0}
.tct-page :focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}
.tct-wrap{max-width:var(--container);margin:0 auto;padding:0 20px}

/* utilities */
.tct-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--orange)}
.tct-eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.tct-sec{padding:72px 0}
.tct-sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.tct-sec-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;margin:14px 0 12px}
.tct-sec-head p{color:var(--slate);font-size:17px}
.tct-btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;padding:13px 22px;border-radius:11px;border:1px solid transparent;transition:transform .18s,box-shadow .18s,background .18s;white-space:nowrap;line-height:1}
.tct-btn svg{width:18px;height:18px}
.tct-btn--primary{background:linear-gradient(135deg,var(--orange),var(--amber));color:#fff;box-shadow:0 8px 20px rgba(255,106,0,.28)}
.tct-btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,106,0,.4);color:#fff}
.tct-btn--navy{background:var(--navy-700);color:#fff}
.tct-btn--navy:hover{transform:translateY(-2px);background:var(--navy-800);color:#fff}
.tct-btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.tct-btn--ghost:hover{border-color:var(--orange);color:var(--orange)}
.tct-btn--light{background:#fff;color:var(--navy-800)}
.tct-btn--light:hover{transform:translateY(-2px);color:var(--navy-800)}
.tct-btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.tct-btn--outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
/* FIX specificity: .tct-page a{color:inherit} không được đè màu chữ nút / quick-view */
.tct-page a.tct-btn--primary,.tct-page a.tct-btn--navy,.tct-page a.tct-btn--outline-light{color:#fff}
.tct-page a.tct-btn--light{color:var(--navy-800)}
.tct-page a.tct-btn--ghost{color:var(--ink)}
.tct-page a.tct-prod__quick{color:#fff}

/* reveal */
.tct-page .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.tct-page .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.tct-page .reveal{opacity:1;transform:none;transition:none}}

/* ===== HERO ===== */
.tct-hero{position:relative;background:linear-gradient(120deg,var(--navy-900),var(--navy-700) 60%,var(--navy-600));overflow:hidden;color:#fff}
.tct-hero__pattern{position:absolute;inset:0;opacity:.5;pointer-events:none}
.tct-hero__glow{position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,0,.28),transparent 66%);right:-160px;top:-190px;pointer-events:none}
.tct-hero .tct-wrap{position:relative;z-index:2}
.tct-slides{position:relative;min-height:520px}
.tct-slide{position:absolute;inset:0;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;opacity:0;visibility:hidden;transition:opacity .7s ease;padding:54px 0}
.tct-slide.active{opacity:1;visibility:visible;position:relative}
.tct-slide__badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,106,0,.16);border:1px solid rgba(255,106,0,.4);color:#ffd9b8;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:7px 14px;border-radius:30px}
.tct-slide h1,.tct-slide .h1{font-size:clamp(30px,4.4vw,50px);font-weight:900;letter-spacing:-.02em;margin:20px 0 16px;color:#fff}
.tct-slide h1 em,.tct-slide .h1 em{font-style:normal;color:var(--amber)}
.tct-slide p.lead{font-size:18px;color:#cdd8ee;max-width:560px;margin-bottom:26px}
.tct-slide__cta{display:flex;gap:12px;flex-wrap:wrap}
.tct-hero__visual{position:relative;height:380px;border-radius:20px;background:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;overflow:hidden}
.tct-hero__visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.9}
.tct-hero__visual .cablecoil{width:230px;height:230px;position:relative;z-index:1}
.tct-hero__spec{position:absolute;z-index:2;background:rgba(10,23,48,.72);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:11px 14px;font-family:var(--f-mono);font-size:12px;color:#dbe6fb}
.tct-hero__spec b{color:var(--amber)}
.tct-hero__spec.s1{top:20px;left:20px}
.tct-hero__spec.s2{bottom:20px;right:20px}
.tct-dots{position:absolute;bottom:20px;left:0;display:flex;gap:9px;z-index:3}
.tct-dots button{width:30px;height:5px;border-radius:4px;border:0;background:rgba(255,255,255,.28);transition:background .2s,width .2s;padding:0}
.tct-dots button.active{background:var(--orange);width:44px}
.tct-trust{position:relative;z-index:2;background:rgba(10,23,48,.55);border-top:1px solid rgba(255,255,255,.1)}
.tct-trust .tct-wrap{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;padding:16px 20px}
.tct-trust__i{display:flex;align-items:center;gap:9px;color:#e7eefb;font-size:13.5px;font-weight:600}
.tct-trust__i svg{width:20px;height:20px;color:var(--amber);flex-shrink:0}

/* ===== BENEFITS ===== */
.tct-benefits{background:var(--surface)}
.tct-benefit-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tct-benefit{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px 18px;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s}
.tct-benefit:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.tct-benefit__ic{width:54px;height:54px;border-radius:14px;margin:0 auto 14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(255,106,0,.12),rgba(249,155,28,.12));color:var(--orange)}
.tct-benefit__ic svg{width:28px;height:28px}
.tct-benefit h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.tct-benefit p{font-size:13px;color:var(--slate)}

/* ===== CATEGORIES ===== */
.tct-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tct-cat{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.tct-cat:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.tct-cat__media{height:130px;position:relative;overflow:hidden;display:grid;place-items:center}
.tct-cat__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s;z-index:0}
.tct-cat:hover .tct-cat__media img{transform:scale(1.08)}
.tct-cat__media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(10,23,48,.15),rgba(10,23,48,.55));z-index:1}
.tct-cat__media svg.wire{width:60px;height:60px;color:#fff;position:relative;z-index:2;transition:transform .3s;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
.tct-cat:hover .tct-cat__media svg.wire{transform:scale(1.12)}
.tct-cat__tag{position:absolute;top:10px;right:10px;z-index:3;background:rgba(255,255,255,.92);color:var(--navy-800);font-size:11px;font-weight:800;padding:4px 9px;border-radius:20px}
.tct-cat__b{padding:16px}
.tct-cat__b h3{font-size:15.5px;font-weight:800;margin-bottom:5px}
.tct-cat__b p{font-size:12.5px;color:var(--slate);margin-bottom:12px;min-height:34px}
.tct-cat__link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--orange)}
.tct-cat__link svg{width:15px;height:15px;transition:transform .2s}
.tct-cat:hover .tct-cat__link svg{transform:translateX(4px)}

/* ===== PRODUCTS ===== */
.tct-products{background:var(--surface-2)}
.tct-prod-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.tct-prod{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.tct-prod:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.tct-prod__media{aspect-ratio:1/1;position:relative;background:linear-gradient(160deg,#f2f6fc,#e6edf7);display:grid;place-items:center;overflow:hidden}
.tct-prod__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.tct-prod:hover .tct-prod__media img{transform:scale(1.06)}
.tct-prod__media .ph{width:72px;height:72px;color:var(--navy-600);opacity:.7}
.tct-prod__flag{position:absolute;top:9px;left:9px;z-index:2;background:var(--navy-800);color:#fff;font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:6px}
.tct-prod__quick{position:absolute;z-index:2;inset:auto 0 0 0;background:var(--navy-800);color:#fff;text-align:center;font-size:12.5px;font-weight:700;padding:9px;transform:translateY(100%);transition:transform .22s}
.tct-prod:hover .tct-prod__quick{transform:none}
.tct-prod__b{padding:13px 13px 15px;display:flex;flex-direction:column;gap:8px;flex:1}
.tct-prod__cat{font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--slate-2)}
.tct-prod__t{font-size:13.5px;font-weight:700;color:var(--ink);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:37px}
.tct-prod__t:hover{color:var(--orange)}
.tct-prod__price{font-size:14px;font-weight:800;color:var(--orange);margin-top:auto}
.tct-prod__btn{display:block;text-align:center;background:var(--surface-2);border:1px solid var(--line);color:var(--navy-800);font-size:12.5px;font-weight:700;padding:9px;border-radius:9px;transition:background .15s,color .15s}
.tct-prod__btn:hover{background:var(--orange);color:#fff;border-color:var(--orange)}

/* ===== ABOUT ===== */
.tct-about{background:var(--surface)}
.tct-about__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.tct-about__body h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;margin:14px 0 18px}
.tct-about__body p{color:var(--slate);margin-bottom:14px}
.tct-about__body strong{color:var(--ink)}
.tct-about__list{list-style:none;padding:0;margin:18px 0 24px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tct-about__list li{display:flex;gap:9px;font-size:14px;font-weight:600;color:var(--ink)}
.tct-about__list svg{width:19px;height:19px;color:var(--ok);flex-shrink:0}
.tct-about__cta{display:flex;gap:12px;flex-wrap:wrap}
.tct-about__visual{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:380px;background:linear-gradient(150deg,var(--navy-700),var(--navy-900));display:grid;place-items:center;box-shadow:var(--shadow-lg)}
.tct-about__visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tct-about__visual .warehouse{width:66%;color:rgba(255,255,255,.9);position:relative;z-index:1}
.tct-counters{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.tct-counter{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:18px 14px;text-align:center}
.tct-counter b{display:block;font-size:30px;font-weight:900;color:var(--orange);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.tct-counter span{font-size:12.5px;color:var(--slate);font-weight:600}

/* ===== BRANDS ===== */
.tct-brands{background:linear-gradient(180deg,var(--surface-2),var(--surface))}
.tct-brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tct-brand{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;text-align:center;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.tct-brand:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.tct-brand.is-primary{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange) inset}
.tct-brand__crown{position:absolute;top:12px;right:12px;background:var(--orange);color:#fff;font-size:10.5px;font-weight:800;padding:4px 9px;border-radius:20px;text-transform:uppercase;letter-spacing:.04em}
.tct-brand__logo{height:52px;display:grid;place-items:center;margin-bottom:14px;font-weight:900;font-size:26px;letter-spacing:.04em;color:var(--navy-800)}
.tct-brand__logo i{color:var(--orange);font-style:normal}
.tct-brand p{font-size:13px;color:var(--slate);margin-bottom:14px;min-height:56px}
.tct-brand a{font-size:13px;font-weight:700;color:var(--orange);display:inline-flex;gap:5px;align-items:center;justify-content:center}
.tct-brand a svg{width:15px;height:15px}

/* ===== PRICE LISTS ===== */
.tct-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tct-price{display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:transform .2s,box-shadow .2s,border-color .2s}
.tct-price:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--orange)}
.tct-price__ic{width:48px;height:56px;flex-shrink:0;border-radius:9px;background:linear-gradient(160deg,#fff4ec,#ffe6d3);display:grid;place-items:center;color:var(--orange)}
.tct-price__ic svg{width:26px;height:26px}
.tct-price__b{min-width:0}
.tct-price__b h3{font-size:14.5px;font-weight:700;line-height:1.35;margin-bottom:6px}
.tct-price__meta{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--slate-2)}
.tct-price__meta .up{color:var(--ok);font-weight:700}
.tct-price__b>a{font-size:12.5px;font-weight:700;color:var(--orange);display:inline-flex;gap:5px;margin-top:9px}
.tct-price-note{margin-top:22px;display:flex;gap:10px;align-items:flex-start;background:rgba(249,155,28,.1);border:1px solid rgba(249,155,28,.3);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--slate)}
.tct-price-note svg{width:20px;height:20px;color:var(--amber);flex-shrink:0;margin-top:1px}

/* ===== PROCESS ===== */
.tct-process{background:var(--navy-900);color:#fff;position:relative;overflow:hidden}
.tct-process .tct-sec-head h2{color:#fff}
.tct-process .tct-sec-head p{color:#aab6cf}
.tct-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.tct-steps::before{content:"";position:absolute;top:34px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,transparent,rgba(255,106,0,.5),transparent)}
.tct-step{text-align:center;position:relative}
.tct-step__n{width:68px;height:68px;margin:0 auto 16px;border-radius:20px;background:linear-gradient(135deg,var(--navy-700),var(--navy-800));border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;position:relative;color:var(--amber)}
.tct-step__n svg{width:30px;height:30px}
.tct-step__n b{position:absolute;top:-8px;right:-8px;width:26px;height:26px;border-radius:50%;background:var(--orange);color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.tct-process .tct-step h3{font-size:15px;font-weight:800;margin-bottom:7px;color:#fff}
.tct-step p{font-size:12.5px;color:#aeb9d2;line-height:1.5}
.tct-process__cta{text-align:center;margin-top:44px}

/* ===== PROJECTS ===== */
.tct-proj-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tct-proj{position:relative;border-radius:var(--r);overflow:hidden;min-height:210px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.tct-proj:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.tct-proj__bg{position:absolute;inset:0;background:linear-gradient(160deg,var(--navy-600),var(--navy-900));z-index:0}
.tct-proj__bg img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .35s}
.tct-proj:hover .tct-proj__bg img{transform:scale(1.07)}
.tct-proj__bg svg{position:absolute;right:-10px;bottom:-10px;width:120px;height:120px;color:rgba(255,255,255,.08)}
.tct-proj__ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(6,14,30,.92),rgba(6,14,30,.15) 65%);z-index:1}
.tct-proj__b{position:relative;z-index:2;padding:16px}
.tct-proj__type{display:inline-block;background:rgba(255,106,0,.92);font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding:3px 8px;border-radius:6px;margin-bottom:9px}
.tct-proj__b h3{font-size:14px;font-weight:800;line-height:1.32;color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.6)}

/* ===== QUALITY ===== */
.tct-quality{background:var(--surface)}
.tct-quality__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.tct-quality__visual{border-radius:var(--r-lg);min-height:360px;background:linear-gradient(150deg,var(--navy-700),var(--navy-900));display:grid;place-items:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.tct-quality__visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tct-quality__visual .cert{width:54%;color:rgba(255,255,255,.92);position:relative;z-index:1}
.tct-quality__visual .seal{position:absolute;z-index:2;bottom:22px;right:22px;background:var(--orange);color:#fff;width:92px;height:92px;border-radius:50%;display:grid;place-items:center;text-align:center;font-size:12px;font-weight:800;line-height:1.2;box-shadow:var(--shadow-md)}
.tct-qlist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.tct-q{display:flex;gap:13px;padding:16px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);transition:border-color .18s,transform .18s}
.tct-q:hover{border-color:var(--orange);transform:translateX(3px)}
.tct-q__ic{width:42px;height:42px;flex-shrink:0;border-radius:11px;background:linear-gradient(135deg,rgba(22,163,74,.14),rgba(22,163,74,.06));color:var(--ok);display:grid;place-items:center}
.tct-q__ic svg{width:22px;height:22px}
.tct-q h3{font-size:14.5px;font-weight:800;margin-bottom:3px}
.tct-q p{font-size:12.5px;color:var(--slate)}

/* ===== NEWS ===== */
.tct-news{background:var(--surface-2)}
.tct-news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tct-article{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.tct-article:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.tct-article__media{height:160px;position:relative;overflow:hidden;background:linear-gradient(160deg,var(--navy-600),var(--navy-800));display:grid;place-items:center}
.tct-article__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s}
.tct-article:hover .tct-article__media img{transform:scale(1.08)}
.tct-article__media .ph{width:50px;height:50px;color:rgba(255,255,255,.3)}
.tct-article__cat{position:absolute;z-index:2;top:11px;left:11px;background:var(--orange);color:#fff;font-size:10.5px;font-weight:800;padding:4px 9px;border-radius:6px;text-transform:uppercase;letter-spacing:.03em}
.tct-article__b{padding:15px;display:flex;flex-direction:column;gap:9px;flex:1}
.tct-article__date{font-size:11.5px;color:var(--slate-2);display:flex;align-items:center;gap:5px}
.tct-article__date svg{width:13px;height:13px}
.tct-article__b h3{font-size:14.5px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tct-article__b h3 a:hover{color:var(--orange)}
.tct-article__more{margin-top:auto;font-size:12.5px;font-weight:700;color:var(--orange);display:inline-flex;gap:5px;align-items:center}
.tct-article__more svg{width:15px;height:15px}

/* ===== FAQ ===== */
.tct-faq{background:var(--surface)}
.tct-faq__wrap{max-width:820px;margin:0 auto}
.tct-faq__item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;background:var(--surface);transition:border-color .18s,box-shadow .18s}
.tct-faq__item.open{border-color:var(--orange);box-shadow:var(--shadow-sm)}
.tct-faq__q{width:100%;text-align:left;background:none;border:0;padding:18px 20px;display:flex;align-items:center;gap:14px;font-size:15.5px;font-weight:700;color:var(--ink)}
.tct-faq__q .qmark{width:26px;height:26px;border-radius:7px;background:rgba(255,106,0,.12);color:var(--orange);display:grid;place-items:center;font-weight:800;flex-shrink:0;font-size:14px}
.tct-faq__q .chev{margin-left:auto;width:20px;height:20px;color:var(--slate-2);transition:transform .25s;flex-shrink:0}
.tct-faq__item.open .chev{transform:rotate(180deg);color:var(--orange)}
.tct-faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.tct-faq__a p{padding:0 20px 20px 60px;color:var(--slate);font-size:14.5px}

/* ===== FINAL CTA ===== */
.tct-cta{position:relative;background:linear-gradient(120deg,var(--navy-900),var(--navy-700));color:#fff;overflow:hidden}
.tct-cta__shape{position:absolute;border-radius:50%;pointer-events:none}
.tct-cta__shape.a{width:420px;height:420px;top:-140px;left:-120px;background:radial-gradient(circle,rgba(255,106,0,.3),transparent 65%)}
.tct-cta__shape.b{width:360px;height:360px;bottom:-160px;right:-90px;background:radial-gradient(circle,rgba(29,58,104,.6),transparent 65%)}
.tct-cta .tct-wrap{position:relative;z-index:2;text-align:center;padding:64px 20px}
.tct-cta h2{font-size:clamp(28px,3.6vw,42px);font-weight:900;margin-bottom:14px;color:#fff}
.tct-cta p{color:#cdd8ee;font-size:17px;max-width:620px;margin:0 auto 30px}
.tct-cta__btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== CONTACT STRIP (trên footer theme) ===== */
.tct-contact{background:var(--navy-800);color:#cdd7ea;padding:34px 0}
.tct-contact__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tct-contact__i{display:flex;gap:12px;align-items:flex-start}
.tct-contact__i svg{width:24px;height:24px;color:var(--amber);flex-shrink:0;margin-top:2px}
.tct-contact__i h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:#8b98b3;margin-bottom:4px;font-weight:700}
.tct-contact__i p{font-size:14px;color:#fff;line-height:1.5}
.tct-contact__i a{color:#fff}
.tct-contact__i a:hover{color:var(--amber)}

/* ===== FLOATING + MOBILE BAR ===== */
.tct-float{position:fixed;right:16px;bottom:96px;z-index:800;display:flex;flex-direction:column;gap:10px}
.tct-float a,.tct-float button{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-md);border:0;transition:transform .18s}
.tct-float a:hover,.tct-float button:hover{transform:scale(1.08)}
.tct-float svg{width:24px;height:24px}
.tct-float .call{background:#16a34a;animation:tctpulse 2s infinite}
.tct-float .zalo{background:#0068ff;font-weight:900;font-size:17px}
.tct-float .mail{background:var(--orange)}
.tct-float .map{background:var(--navy-700)}
.tct-float .top{background:var(--navy-800);opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s,transform .18s}
.tct-float .top.show{opacity:1;visibility:visible}
@keyframes tctpulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.5)}70%{box-shadow:0 0 0 14px rgba(22,163,74,0)}100%{box-shadow:0 0 0 0 rgba(22,163,74,0)}}
@media (prefers-reduced-motion:reduce){.tct-float .call{animation:none}}
.tct-mobilebar{display:none}

/* ===== RESPONSIVE ===== */
@media(max-width:1080px){
  .tct-benefit-grid{grid-template-columns:repeat(3,1fr)}
  .tct-cat-grid,.tct-proj-grid,.tct-news-grid,.tct-prod-grid{grid-template-columns:repeat(3,1fr)}
  .tct-brand-grid,.tct-price-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .tct-sec{padding:52px 0}
  .tct-slide{grid-template-columns:1fr;gap:22px}
  .tct-hero__visual{height:240px;order:-1}
  .tct-slides{min-height:0}
  .tct-about__grid,.tct-quality__grid{grid-template-columns:1fr;gap:30px}
  .tct-steps{grid-template-columns:1fr 1fr;gap:24px}
  .tct-steps::before{display:none}
  .tct-counters{grid-template-columns:repeat(2,1fr)}
  .tct-contact__grid{grid-template-columns:1fr 1fr}
  .tct-mobilebar{position:fixed;left:0;right:0;bottom:0;z-index:850;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(0,0,0,.1)}
  .tct-mobilebar a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px;font-size:11.5px;font-weight:700;color:var(--ink)}
  .tct-mobilebar a svg{width:22px;height:22px}
  .tct-mobilebar a.call{color:#16a34a}.tct-mobilebar a.zalo{color:#0068ff}.tct-mobilebar a.quote{color:var(--orange)}
  .tct-mobilebar a+a{border-left:1px solid var(--line)}
  .tct-float{bottom:78px}
}
@media(max-width:560px){
  .tct-benefit-grid,.tct-cat-grid,.tct-prod-grid,.tct-proj-grid,.tct-news-grid,.tct-price-grid,.tct-qlist,.tct-about__list{grid-template-columns:1fr}
  .tct-brand-grid,.tct-counters,.tct-contact__grid{grid-template-columns:1fr 1fr}
  .tct-slide h1,.tct-slide .h1{font-size:28px}
}