:root {
      --navy:#071F33;
      --navy-2:#0E2D48;
      --navy-3:#123A5C;
      --gold:#C8A15A;
      --gold-2:#D8B66F;
      --ivory:#F7F3EA;
      --soft:#F5F7FA;
      --line:#D9E1EA;
      --text:#0E2438;
      --muted:#5B6B7B;
      --white:#fff;
      --shadow:0 24px 60px rgba(7,31,51,.12);
      --radius:24px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,Arial,"Helvetica Neue",sans-serif;color:var(--text);background:#fff;line-height:1.55}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
    .section{padding:86px 0}
    .section.soft{background:linear-gradient(180deg,#fff 0%,#F7F9FC 100%)}
    .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase;color:var(--gold)}
    .eyebrow:before{content:"";width:34px;height:2px;background:var(--gold);display:block}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,5vw,72px);line-height:.98;letter-spacing:-.055em;margin-bottom:22px;color:var(--navy)}
    h2{font-size:clamp(30px,3.2vw,48px);line-height:1.06;letter-spacing:-.04em;margin-bottom:16px;color:var(--navy)}
    h3{font-size:20px;line-height:1.2;margin-bottom:8px;color:var(--navy)}
    p{color:var(--muted);font-size:16px}
    .gold{color:var(--gold)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:14px 22px;font-weight:850;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:.2s ease;box-shadow:none}
    .btn.primary{background:linear-gradient(135deg,var(--gold),#E2BF76);color:#071F33;box-shadow:0 12px 26px rgba(200,161,90,.27)}
    .btn.primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(200,161,90,.33)}
    .btn.ghost{background:#fff;color:var(--navy);border-color:#D7DEE7}
    .btn.ghost:hover{border-color:var(--gold);color:#061c2e;transform:translateY(-1px)}
    .btn.dark{background:var(--navy);color:#fff}
    .btn.text{padding:0;border:0;background:none;color:var(--navy);box-shadow:none;text-decoration:underline;text-underline-offset:5px}

    /* Topbar & Header */
    .topbar{background:var(--navy);color:#fff;font-size:14px}
    .topbar .container{display:flex;align-items:center;justify-content:space-between;padding:9px 0;gap:18px}
    .topbar b{font-weight:900}
    .site-header{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.92);backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid rgba(7,31,51,.08)}
    .nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:220px}
    .brand img{width:38px;height:38px;object-fit:contain}
    .brand-name{font-size:18px;line-height:1;font-weight:950;letter-spacing:.02em;color:var(--navy);text-transform:uppercase}
    .brand-sub{font-size:10px;color:#6B7784;margin-top:3px}
    .menu{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:800;color:#172033}
    .menu-item{position:relative;padding:26px 0}
    .menu-item > a{display:flex;align-items:center;gap:6px}
    .menu-item:hover > a{color:var(--gold)}
    .dropdown{position:absolute;top:68px;left:-18px;min-width:236px;background:#fff;border:1px solid #E2E8F0;border-radius:18px;box-shadow:0 20px 60px rgba(7,31,51,.14);padding:10px;opacity:0;transform:translateY(8px);visibility:hidden;transition:.18s ease}
    .menu-item:hover .dropdown{opacity:1;transform:translateY(0);visibility:visible}
    .dropdown a{display:block;padding:12px 14px;border-radius:12px;color:#23364A}
    .dropdown a:hover{background:#F7F3EA;color:var(--navy)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .mobile-note{display:none}

    /* Hero */
    .hero{position:relative;overflow:hidden;background:linear-gradient(90deg,#FFFDF8 0%,#F9F6EF 55%,#EDF5FA 100%)}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(7,31,51,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(7,31,51,.055) 1px, transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,#000,transparent 78%);opacity:.75}
    .hero-wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center;min-height:650px;padding:76px 0}
    .hero-copy{max-width:590px}
    .hero-copy .lead{font-size:17px;line-height:1.75;color:#405368;margin-bottom:26px}
    .hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:26px}
    .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:560px}
    .stat{background:rgba(255,255,255,.78);border:1px solid #E3E9F0;border-radius:16px;padding:14px 16px;box-shadow:0 16px 36px rgba(7,31,51,.06)}
    .stat b{display:block;font-size:22px;color:var(--navy);line-height:1.1;margin-bottom:4px}
    .stat span{font-size:12px;color:#607083;line-height:1.35;display:block}
    .hero-media{position:relative;border-radius:28px;min-height:470px;box-shadow:var(--shadow);overflow:visible}
    .hero-slider{position:relative;height:470px;border-radius:28px;overflow:hidden;background:#071F33}
    .slide{position:absolute;inset:0;opacity:0;transition:opacity .85s ease}
    .slide.active{opacity:1}
    .slide img{width:100%;height:100%;object-fit:cover}
    .slide:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,31,51,0) 45%,rgba(7,31,51,.38) 100%)}
    .hero-badge{position:absolute;right:-22px;top:30px;width:118px;height:118px;border-radius:50%;background:radial-gradient(circle at 35% 25%,#174B72,var(--navy) 68%);color:#fff;border:5px solid #fff;box-shadow:0 16px 34px rgba(7,31,51,.22);display:grid;place-items:center;text-align:center;z-index:3;padding:14px}
    .hero-badge b{font-size:22px;color:var(--gold);line-height:1}
    .hero-badge span{display:block;font-size:10px;font-weight:900;line-height:1.18;text-transform:uppercase;letter-spacing:.03em;margin-top:5px}
    .hero-proof-card{position:absolute;left:-26px;bottom:26px;width:min(300px,70%);background:#fff;border:1px solid #E5E7EB;border-radius:18px;padding:16px 18px;box-shadow:0 20px 48px rgba(7,31,51,.16);z-index:4}
    .hero-proof-card b{display:block;color:var(--navy);font-size:15px;margin-bottom:4px}
    .hero-proof-card span{font-size:12px;color:#667085;line-height:1.45}
    .slider-dots{position:absolute;right:22px;bottom:18px;display:flex;gap:7px;z-index:5}
    .dot{width:9px;height:9px;border-radius:999px;background:rgba(255,255,255,.55);border:1px solid rgba(255,255,255,.8);cursor:pointer}
    .dot.active{width:28px;background:var(--gold)}

    /* Social proof strip */
    .proof-strip{padding:22px 0;background:#fff;border-top:1px solid #E7EBEF;border-bottom:1px solid #E7EBEF}
    .proof-inner{display:flex;align-items:center;gap:24px;overflow:hidden}
    .proof-title{font-weight:900;color:var(--navy);white-space:nowrap}
    .brand-logos{display:flex;gap:12px;align-items:center;flex:1;flex-wrap:wrap}
    .brand-pill{display:inline-flex;align-items:center;gap:9px;border:1px solid #E1E7EF;background:#F8FAFC;border-radius:999px;padding:9px 14px;font-size:13px;font-weight:800;color:#44566A;white-space:nowrap}
    .brand-pill i{font-style:normal;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:10px}

    /* Best seller */
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-head p{max-width:540px;margin-bottom:0}
    .product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .product-card{background:#fff;border:1px solid #E3E9F0;border-radius:22px;overflow:hidden;box-shadow:0 18px 48px rgba(7,31,51,.08);transition:.2s ease}
    .product-card:hover{transform:translateY(-4px);box-shadow:0 24px 54px rgba(7,31,51,.13)}
    .product-img{height:190px;position:relative;overflow:hidden;background:#EDF2F7}
    .product-img img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
    .product-card:hover .product-img img{transform:scale(1.04)}
    .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--navy);font-weight:900;font-size:11px;border-radius:999px;padding:6px 10px;border:1px solid #E7EDF4}
    .product-body{padding:17px}
    .stars{color:#D8A94B;font-size:13px;letter-spacing:1px;margin-bottom:8px}
    .product-body h3{font-size:18px}
    .product-body p{font-size:13px;margin-bottom:14px}
    .price-line{font-weight:900;color:var(--navy);margin-bottom:14px;font-size:13px}
    .price-line span{color:var(--muted);font-weight:700}

    /* Product line showcases */
    .line-section{padding:90px 0;border-top:1px solid #EDF1F5}
    .line-title{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:end;margin-bottom:30px}
    .line-title p{font-size:16px;margin-bottom:0}
    .editorial{display:grid;grid-template-columns:1.02fr .98fr;gap:24px;align-items:stretch}
    .gallery-main{border-radius:28px;min-height:430px;overflow:hidden;box-shadow:var(--shadow)}
    .gallery-main img{width:100%;height:100%;object-fit:cover}
    .mini-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .mini-img{border-radius:22px;overflow:hidden;min-height:205px;position:relative;background:#EDF2F7}
    .mini-img.large-text{background:linear-gradient(135deg,var(--navy),#163F63);padding:26px;display:flex;flex-direction:column;justify-content:space-between;color:#fff}
    .mini-img.large-text h3{color:#fff;font-size:28px;margin-bottom:8px}
    .mini-img.large-text p{color:#DDE8F2;font-size:14px}
    .mini-img img{width:100%;height:100%;object-fit:cover}
    .benefit-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
    .benefit-card{background:#fff;border:1px solid #E3E9F0;border-radius:20px;padding:18px;box-shadow:0 16px 36px rgba(7,31,51,.06)}
    .benefit-card .icon,.usp-icon{width:44px;height:44px;border-radius:14px;background:#F7F3EA;color:var(--navy);display:grid;place-items:center;margin-bottom:12px;font-size:22px}
    .carousel-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .carousel-card{border-radius:24px;overflow:hidden;min-height:310px;position:relative;background:#E8EEF4;box-shadow:0 18px 42px rgba(7,31,51,.08)}
    .carousel-card img{width:100%;height:100%;object-fit:cover}
    .caption{position:absolute;left:14px;right:14px;bottom:14px;background:rgba(7,31,51,.84);color:#fff;border-radius:14px;padding:12px 14px;font-weight:850;font-size:14px}
    .masonry{display:grid;grid-template-columns:1.1fr .9fr 1fr;grid-auto-rows:190px;gap:16px}
    .masonry .tile{border-radius:24px;overflow:hidden;position:relative;background:#EEF2F7}
    .masonry .tile:nth-child(1){grid-row:span 2}
    .masonry .tile:nth-child(3){grid-row:span 2}
    .masonry .tile.text-tile{background:linear-gradient(135deg,var(--navy),var(--navy-3));padding:24px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
    .masonry .tile.text-tile h3{color:#fff;font-size:26px}
    .masonry .tile.text-tile p{color:#DDE8F2}
    .masonry img{width:100%;height:100%;object-fit:cover}
    .facade-show{display:grid;grid-template-columns:1.3fr .7fr;gap:20px;align-items:stretch}
    .facade-img{border-radius:30px;overflow:hidden;min-height:510px;box-shadow:var(--shadow);position:relative}
    .facade-img img{width:100%;height:100%;object-fit:cover}
    .facade-side{display:grid;gap:16px}
    .case-card{background:#fff;border:1px solid #E3E9F0;border-radius:24px;padding:22px;box-shadow:0 18px 40px rgba(7,31,51,.06)}
    .case-card b{color:var(--gold);font-size:12px;text-transform:uppercase;letter-spacing:.08em}

    /* Testimonials */
    .testimonials{background:linear-gradient(180deg,#F8FAFC 0%,#fff 100%)}
    .testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote-card{background:#fff;border:1px solid #E3E9F0;border-radius:24px;padding:24px;box-shadow:0 18px 42px rgba(7,31,51,.08)}
    .quote-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;display:grid;place-items:center;font-weight:900}
    .quote-card .stars{margin:0;color:var(--gold)}
    .quote-card blockquote{margin:0;color:#3F5368;font-size:15px;line-height:1.65}

    /* USP */
    .usp-wrap{display:grid;grid-template-columns:1.06fr .94fr;gap:28px;align-items:stretch}
    .usp-photo{border-radius:30px;overflow:hidden;min-height:560px;position:relative;box-shadow:var(--shadow)}
    .usp-photo img{width:100%;height:100%;object-fit:cover}
    .usp-photo:after{content:"Tem nhận diện 1898 Door trên sản phẩm hoàn thiện";position:absolute;left:20px;right:20px;bottom:20px;background:rgba(7,31,51,.86);color:#fff;border-radius:18px;padding:14px 16px;font-weight:850}
    .usp-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .usp-card{border:1px solid #E3E9F0;border-radius:24px;padding:22px;background:#fff;box-shadow:0 16px 36px rgba(7,31,51,.06)}
    .usp-card.featured{grid-column:1 / -1;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;border-color:transparent}
    .usp-card.featured h3,.usp-card.featured p{color:#fff}
    .usp-card.featured .usp-icon{background:rgba(255,255,255,.12);color:#fff}
    .usp-card p{font-size:14px;margin-bottom:0}

    /* Projects */
    .project-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .project-card{position:relative;min-height:360px;border-radius:26px;overflow:hidden;background:#122D44;box-shadow:0 18px 44px rgba(7,31,51,.1)}
    .project-card img{width:100%;height:100%;object-fit:cover;opacity:.75;transition:.4s}
    .project-card:hover img{transform:scale(1.04);opacity:.6}
    .project-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,31,51,.05),rgba(7,31,51,.88))}
    .project-info{position:absolute;left:18px;right:18px;bottom:18px;z-index:1;color:#fff}
    .project-info .label{display:inline-block;color:#FFE2A0;font-weight:900;font-size:12px;margin-bottom:8px}
    .project-info h3{color:#fff;font-size:20px}
    .project-info p{color:#DDE8F2;font-size:13px;margin-bottom:0}

    /* Process */
    .timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:34px}
    .timeline:before{content:"";position:absolute;left:8%;right:8%;top:33px;height:2px;background:linear-gradient(90deg,var(--gold),#E8D6B0,var(--gold));z-index:0}
    .step{position:relative;padding:0 10px;text-align:center;z-index:1}
    .step-no{width:66px;height:66px;margin:0 auto 16px;border-radius:20px;background:#fff;border:1px solid #E3E9F0;box-shadow:0 12px 28px rgba(7,31,51,.08);display:grid;place-items:center;font-weight:950;color:var(--navy)}
    .step h3{font-size:17px}
    .step p{font-size:13px;margin-bottom:0}

    /* About */
    .about-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}
    .about-visual{border-radius:30px;min-height:440px;overflow:hidden;position:relative;box-shadow:var(--shadow)}
    .about-visual img{width:100%;height:100%;object-fit:cover}
    .about-visual .stamp{position:absolute;right:18px;bottom:18px;background:#fff;border-radius:18px;padding:14px 16px;box-shadow:0 14px 34px rgba(7,31,51,.18);font-weight:900;color:var(--navy)}
    .about-copy p{font-size:17px;line-height:1.78}
    .about-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
    .fact{border:1px solid #E3E9F0;background:#fff;border-radius:18px;padding:16px;box-shadow:0 12px 28px rgba(7,31,51,.06)}
    .fact b{display:block;color:var(--navy);font-size:22px}
    .fact span{font-size:12px;color:#68788A}

    /* FAQ */
    .faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid #E3E9F0;border-radius:18px;padding:18px 20px;box-shadow:0 12px 30px rgba(7,31,51,.05)}
    summary{cursor:pointer;font-weight:900;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:16px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:22px;color:var(--gold);line-height:1}
    details[open] summary:after{content:"−"}
    details p{font-size:14px;margin:12px 0 0}

    /* CTA */
    .cta-section{padding:90px 0;background:linear-gradient(180deg,#fff 0%,#F7F3EA 100%)}
    .cta-panel{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:stretch;background:#fff;border:1px solid #E3E9F0;border-radius:34px;padding:28px;box-shadow:var(--shadow)}
    .form-panel{padding:18px 18px 10px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1 / -1}
    label{font-weight:850;color:var(--navy);font-size:13px}
    input,select,textarea{width:100%;border:1px solid #DCE3EB;border-radius:16px;padding:14px 16px;font:inherit;color:#1E293B;background:#fff;outline:none}
    textarea{min-height:112px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(200,161,90,.12)}
    .microcopy{font-size:12px;color:#718092;margin-top:12px}
    .cta-side{background:linear-gradient(145deg,var(--navy),#103A5D);color:#fff;border-radius:28px;padding:32px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
    .cta-side h3{color:#fff;font-size:28px}
    .cta-side p{color:#DDE8F2}
    .offer-list{display:grid;gap:12px}
    .offer-item{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:14px 16px}
    .offer-item b{display:block;color:#FFE1A0}
    .contact-fast{border-top:1px solid rgba(255,255,255,.18);padding-top:18px;font-size:14px;color:#DDE8F2}
    .contact-fast strong{color:#fff}

    /* Blog */
    .blog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .blog-card{border:1px solid #E3E9F0;border-radius:24px;background:#fff;overflow:hidden;box-shadow:0 16px 36px rgba(7,31,51,.06)}
    .blog-thumb{height:150px;background:linear-gradient(135deg,#DDE6EF,#fff);position:relative}
    .blog-thumb img{width:100%;height:100%;object-fit:cover}
    .blog-body{padding:18px}
    .cat{color:var(--gold);font-weight:900;font-size:12px;text-transform:uppercase;letter-spacing:.08em}
    .blog-body h3{font-size:17px;margin:8px 0}
    .blog-body p{font-size:13px;margin-bottom:0}

    /* Footer */
    footer{background:var(--navy);color:#DDE8F2;padding:64px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .85fr .9fr 1fr;gap:34px;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:34px}
    .footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
    .footer-logo img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:12px;padding:3px}
    footer h3{color:#fff;font-size:17px;margin-bottom:16px}
    footer p,footer a{font-size:14px;color:#CAD6E3}
    .footer-links{display:grid;gap:10px}
    .footer-links a:hover{color:var(--gold)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:22px;color:#AFC0D0;font-size:13px}

    /* Responsive */
    @media (max-width: 1040px){
      .menu{display:none}
      .mobile-note{display:block;font-size:13px;color:var(--muted)}
      .hero-wrap,.editorial,.line-title,.facade-show,.usp-wrap,.about-wrap,.faq-wrap,.cta-panel{grid-template-columns:1fr}
      .hero-wrap{min-height:auto;padding:56px 0}
      .product-grid,.blog-grid,.project-grid{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:1fr;gap:18px}
      .timeline:before{left:32px;right:auto;top:0;bottom:0;width:2px;height:auto}
      .step{text-align:left;display:grid;grid-template-columns:66px 1fr;gap:16px;align-items:start}
      .step-no{margin:0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 720px){
      .container{width:min(100% - 28px,var(--max))}
      .topbar .container{flex-direction:column;align-items:flex-start;gap:4px}
      .nav{height:auto;padding:14px 0;align-items:flex-start;flex-wrap:wrap}
      .brand{min-width:auto}
      .nav-cta{width:100%;justify-content:space-between}
      .nav-cta .btn{flex:1;padding:12px 14px}
      h1{font-size:42px}
      .hero-stats,.benefit-row,.testimonial-grid,.usp-grid,.carousel-row,.masonry,.project-grid,.product-grid,.blog-grid,.about-facts,.form-grid,.footer-grid{grid-template-columns:1fr}
      .hero-slider{height:390px}
      .hero-media{min-height:auto}
      .hero-badge{right:12px;top:12px;width:96px;height:96px}
      .hero-proof-card{left:12px;bottom:12px;width:calc(100% - 24px)}
      .proof-inner{align-items:flex-start;flex-direction:column}
      .masonry .tile:nth-child(1),.masonry .tile:nth-child(3){grid-row:auto}
      .facade-img,.usp-photo,.about-visual{min-height:340px}
      .section{padding:64px 0}
      .line-section{padding:66px 0}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }
  

/* ===== FINAL-FINAL ADJUSTMENTS: Trust marquee, best seller specs, estimator CTA ===== */
.proof-marquee-section{
  padding:24px 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(200,161,90,.24), transparent 28%),
    linear-gradient(135deg,#071F33 0%,#0E2D49 52%,#071F33 100%) !important;
  border-top:1px solid rgba(200,161,90,.28) !important;
  border-bottom:1px solid rgba(200,161,90,.28) !important;
  overflow:hidden;
}
.proof-marquee-inner{display:grid !important;grid-template-columns:230px minmax(0,1fr);gap:28px;align-items:center;overflow:hidden}
.proof-title-block{color:#fff;white-space:nowrap}
.proof-title-block .proof-kicker{display:block;color:#C8A15A;font-weight:900;font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}
.proof-title-block strong{display:block;color:#fff;font-size:20px;line-height:1.1}
.marquee-window{position:relative;overflow:hidden;min-height:88px;display:flex;align-items:center}
.marquee-window:before,.marquee-window:after{content:"";position:absolute;top:0;bottom:0;width:62px;z-index:3;pointer-events:none}
.marquee-window:before{left:0;background:linear-gradient(90deg,#0A263F,transparent)}
.marquee-window:after{right:0;background:linear-gradient(270deg,#071F33,transparent)}
.marquee-track{display:flex;gap:16px;align-items:center;width:max-content;animation:trustMarquee 28s linear infinite}
.marquee-window:hover .marquee-track{animation-play-state:paused}
@keyframes trustMarquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.trust-brand{width:156px;height:78px;flex:0 0 auto;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:18px;display:grid;grid-template-rows:38px 1fr;align-items:center;justify-items:center;padding:8px 10px;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.trust-logo-line{height:34px;display:flex;align-items:center;justify-content:center}
.trust-logo-wrap{width:34px;height:34px;border-radius:12px;background:#fff;display:grid;place-items:center;overflow:hidden;border:1px solid rgba(200,161,90,.32)}
.trust-logo-wrap img{width:25px;height:25px;object-fit:contain;display:block}
.logo-fallback{display:none;width:100%;height:100%;place-items:center;background:#fff;color:#071F33;font-weight:900;font-size:11px}
.trust-name-line{color:#EAF1F8;font-size:12px;line-height:1.18;font-weight:850;text-align:center;max-width:136px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.best-product-body h3{font-size:17px;margin-bottom:13px}
.best-spec-list{display:grid;gap:8px;margin-bottom:15px}
.best-spec{display:grid;grid-template-columns:92px 1fr;gap:8px;align-items:start;border:1px solid #E8EEF5;background:#F8FAFC;border-radius:13px;padding:8px 10px;font-size:12.5px;line-height:1.35}
.best-spec span{color:#6B7A8B;font-weight:800}
.best-spec b{color:#12263A;font-weight:900}
.best-spec.price-spec{background:#FFF7E8;border-color:#F1D59B}
.best-spec.price-spec b{color:#071F33;font-size:13px}
.estimate-v2{background:linear-gradient(180deg,#fff 0%,#F7F3EA 100%)}
.estimate-panel-v2{grid-template-columns:1.28fr .72fr;gap:26px;padding:30px;border-radius:34px}
.estimate-form-panel{padding:18px 18px 10px}
.estimate-title{font-size:42px;line-height:1.08;letter-spacing:-1.2px;max-width:820px;margin-bottom:16px;text-wrap:balance}
.estimate-lead{font-size:15.5px;line-height:1.65;color:#53657A;max-width:760px;margin-bottom:22px}
.estimate-form-grid{display:block;margin-top:18px}
.estimate-step{display:flex;align-items:center;gap:12px;margin:12px 0 10px;color:var(--navy);font-weight:900}
.estimate-step span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#C8A15A,#E7C774);color:#fff;font-weight:950;box-shadow:0 8px 18px rgba(200,161,90,.25)}
.area-list{display:grid;gap:7px;margin-left:14px;border-left:1px dashed rgba(200,161,90,.42);padding-left:20px}
.area-row{display:grid;grid-template-columns:1fr 230px;align-items:center;gap:12px;background:#fff;border:1px solid #DDE5EE;border-radius:14px;padding:8px 10px;box-shadow:0 8px 20px rgba(7,31,51,.03)}
.area-label{display:flex;align-items:center;gap:10px;color:#23364A;font-size:13px}
.area-icon{width:28px;height:28px;border-radius:8px;background:#F2F6FB;border:1px solid #DCE5EF;display:grid;place-items:center;color:#071F33;font-weight:900}
.area-input{display:grid;grid-template-columns:1fr 38px;border:1px solid #E2E9F1;border-radius:10px;overflow:hidden;background:#fff}
.area-input input{border:0 !important;border-radius:0 !important;padding:9px 10px !important;font-size:12.5px;box-shadow:none !important}
.area-input span{display:grid;place-items:center;background:#F8FAFC;color:#0F2439;font-weight:900;font-size:12px;border-left:1px solid #E2E9F1}
.add-line{width:calc(100% - 34px);margin:8px 0 10px 34px;border:1px dashed #E0B965;background:#FFFDF8;color:#C19038;border-radius:13px;padding:10px 14px;font-weight:900;font:inherit;cursor:pointer}
.estimate-note-wrap{position:relative;margin-left:34px;margin-bottom:12px}
.estimate-note-wrap textarea{min-height:92px;border-radius:14px;font-size:13px;padding:15px 18px 24px 18px}
.estimate-note-wrap span{position:absolute;right:14px;bottom:10px;color:#8A98A9;font-size:11px}
.step-two{margin-top:16px}
.contact-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-left:34px}
.contact-field{display:flex;align-items:center;gap:9px;border:1px solid #DDE5EE;border-radius:14px;background:#fff;padding:0 12px;color:#071F33}
.contact-field input{border:0 !important;border-radius:0 !important;box-shadow:none !important;padding:13px 0 !important;font-size:13px}
.privacy-line{margin:8px 0 10px 38px;color:#6B7A8B;font-size:12px}
.estimate-submit{width:calc(100% - 34px);margin-left:34px;border-radius:999px;padding:15px 20px !important;font-size:15px;box-shadow:0 18px 34px rgba(200,161,90,.28)}
.form-after-note{text-align:center;color:#748397;font-size:12px;margin:10px 0 0 34px}
.estimate-side-v2{padding:34px 28px;background:radial-gradient(circle at 12% 0%,rgba(66,137,190,.30),transparent 30%),linear-gradient(145deg,#071F33,#0E3A60);border-radius:30px;gap:20px}
.estimate-side-v2 .side-heading h3{font-size:28px;margin-bottom:6px}
.estimate-side-v2 .side-heading p{font-size:14px;margin:0;color:#DCE8F4}
.benefit-boxes{display:grid;gap:12px}
.benefit-box{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:center;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:17px;padding:14px 15px}
.benefit-icon{width:44px;height:44px;border-radius:50%;border:1px solid #C8A15A;color:#F1D38A;display:grid;place-items:center;font-size:22px;line-height:1}
.benefit-box b{display:block;color:#FFE1A0;font-size:15px;margin-bottom:4px}
.benefit-box p{font-size:13px;line-height:1.45;margin:0;color:#EAF1F8}
.total-box{align-items:center}
.total-box span:not(.benefit-icon){display:block;color:#DCE8F4;font-size:13px;margin-bottom:2px}
.total-box b{font-size:32px;line-height:1.1;color:#F1D38A;margin-bottom:3px}
.total-box b em{font-style:normal}
.estimate-contact{font-size:14px}
@media (max-width: 980px){
  .proof-marquee-inner{grid-template-columns:1fr;gap:16px}.proof-title-block{text-align:center}.trust-brand{width:146px}.estimate-panel-v2{grid-template-columns:1fr}.estimate-title{font-size:34px}.area-row{grid-template-columns:1fr}.contact-mini-grid{grid-template-columns:1fr}.area-list,.estimate-note-wrap,.contact-mini-grid,.privacy-line,.estimate-submit,.form-after-note{margin-left:0;width:100%}.add-line{margin-left:0;width:100%}
}
@media (max-width: 640px){
  .estimate-title{font-size:30px}.proof-marquee-section{padding:20px 0}.marquee-track{animation-duration:34s}.trust-brand{width:138px}.best-spec{grid-template-columns:1fr;gap:2px}
}


/* ===== FINAL FINAL FINAL UX/SEO REFINEMENTS 2026-06-12 ===== */
/* Hero: SEO H1 + larger visual ratio */
.hero-wrap{
  grid-template-columns:minmax(330px,.62fr) minmax(620px,1.38fr) !important;
  gap:54px !important;
  min-height:620px !important;
  padding:52px 0 58px !important;
}
.hero-copy{max-width:430px !important;}
.hero-copy h1{
  font-size:clamp(34px,3.2vw,46px) !important;
  line-height:1.08 !important;
  letter-spacing:-.045em !important;
  margin-bottom:20px !important;
  max-width:430px !important;
}
.hero-copy .lead{font-size:15.2px !important;line-height:1.72 !important;margin-bottom:22px !important;}
.hero-media{min-height:520px !important;}
.hero-slider{height:520px !important;}
.hero-proof-card{display:none !important;}
.hero-badge{width:126px !important;height:126px !important;right:-20px !important;top:34px !important;padding:13px !important;}
.hero-badge b{font-size:22px !important;}
.hero-badge span{font-size:9.2px !important;line-height:1.12 !important;letter-spacing:.02em !important;}

/* Compact social-proof divider */
.proof-marquee-section{
  padding:8px 0 !important;
  min-height:0 !important;
  background:linear-gradient(135deg,#071F33 0%,#0C2D48 56%,#071F33 100%) !important;
}
.proof-marquee-inner{grid-template-columns:190px minmax(0,1fr) !important;gap:18px !important;}
.proof-title-block .proof-kicker{display:none !important;}
.proof-title-block strong{font-size:16px !important;line-height:1.1 !important;}
.marquee-window{min-height:52px !important;}
.marquee-window:before,.marquee-window:after{width:36px !important;}
.marquee-track{gap:10px !important;}
.trust-brand{width:138px !important;height:48px !important;grid-template-rows:22px 1fr !important;border-radius:13px !important;padding:4px 8px !important;}
.trust-logo-line{height:22px !important;}
.trust-logo-wrap{width:22px !important;height:22px !important;border-radius:8px !important;}
.trust-name-line{font-size:9.4px !important;line-height:1.05 !important;}

/* Best seller cards: align specs and strengthen CTA */
.product-grid{align-items:stretch !important;}
.product-card{display:flex !important;flex-direction:column !important;height:100% !important;}
.product-card .product-body{display:flex !important;flex-direction:column !important;flex:1 !important;}
.product-card .product-body h3{min-height:46px !important;display:flex !important;align-items:flex-start !important;}
.best-spec-list{margin-top:2px !important;margin-bottom:18px !important;}
.best-spec{min-height:50px !important;align-items:center !important;}
.best-spec.price-spec{min-height:48px !important;}
.best-detail-btn{
  margin-top:auto !important;
  background:#071F33 !important;
  color:#fff !important;
  border-color:#071F33 !important;
  box-shadow:0 12px 24px rgba(7,31,51,.18) !important;
}
.best-detail-btn:hover{transform:translateY(-2px);background:#0E2D48 !important;box-shadow:0 18px 32px rgba(7,31,51,.25) !important;}

/* Product lines: remove redundant intro and keep comfortable spacing */
#cua-di{padding-top:240px !important;}
.line-section h2{max-width:620px;}
.line-section .benefit-card h3{font-size:18px !important;}

/* CTA estimate: compact for laptop screens + clearer micro icons */
.cta-section.estimate-v2{padding:64px 0 !important;}
.estimate-panel-v2{
  grid-template-columns:1.18fr .82fr !important;
  gap:22px !important;
  padding:22px !important;
  border-radius:28px !important;
}
.estimate-form-panel{padding:8px 10px 6px !important;}
.estimate-title{
  font-size:clamp(28px,3.05vw,38px) !important;
  line-height:1.08 !important;
  letter-spacing:-.9px !important;
  max-width:720px !important;
  margin-bottom:12px !important;
}
.estimate-lead{font-size:14px !important;line-height:1.55 !important;max-width:700px !important;margin-bottom:14px !important;}
.estimate-form-grid{margin-top:10px !important;}
.estimate-step{gap:10px !important;margin:8px 0 8px !important;font-size:15px !important;}
.estimate-step span{width:26px !important;height:26px !important;font-size:14px !important;}
.area-list{gap:6px !important;margin-left:13px !important;padding-left:18px !important;}
.area-row{grid-template-columns:1fr 210px !important;gap:10px !important;padding:6px 9px !important;border-radius:12px !important;}
.area-label{font-size:12.5px !important;}
.area-icon{width:26px !important;height:26px !important;border-radius:7px !important;font-size:14px !important;}
.area-input{grid-template-columns:1fr 34px !important;border-radius:9px !important;}
.area-input input{padding:7px 9px !important;font-size:12px !important;}
.add-line{margin:8px 0 10px 34px !important;padding:8px 14px !important;border-radius:12px !important;font-size:14px !important;}
.estimate-note-wrap{margin-left:34px !important;margin-bottom:8px !important;}
.estimate-note-wrap textarea{min-height:68px !important;border-radius:12px !important;font-size:12.5px !important;padding:12px 14px 20px !important;}
.step-two{margin-top:10px !important;}
.contact-mini-grid{gap:10px !important;margin-left:34px !important;}
.contact-field{border-radius:12px !important;padding:0 10px !important;}
.contact-field input{padding:10px 0 !important;font-size:12.5px !important;}
.privacy-line{margin:6px 0 8px 38px !important;font-size:11.5px !important;display:flex;align-items:center;gap:6px;}
.estimate-submit{padding:12px 18px !important;font-size:14px !important;}
.form-after-note{font-size:11.5px !important;margin-top:8px !important;display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;}
.mini-line-icon{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;border:1px solid rgba(200,161,90,.45);color:#C8A15A;font-size:11px;line-height:1;}
.dot-sep{color:#9AA8B6;}
.estimate-side-v2{padding:24px 22px !important;border-radius:26px !important;gap:14px !important;}
.estimate-side-v2 .side-heading h3{font-size:24px !important;margin-bottom:4px !important;}
.estimate-side-v2 .side-heading p{font-size:13px !important;}
.benefit-boxes{gap:9px !important;}
.benefit-box{grid-template-columns:44px 1fr !important;gap:12px !important;border-radius:15px !important;padding:11px 12px !important;}
.benefit-icon{width:38px !important;height:38px !important;font-size:18px !important;}
.benefit-box b{font-size:13.5px !important;margin-bottom:2px !important;}
.benefit-box p{font-size:12px !important;line-height:1.38 !important;}
.total-box b{font-size:26px !important;}
.total-box span:not(.benefit-icon){font-size:12px !important;}
.estimate-contact{font-size:12.5px !important;}

@media (max-width: 980px){
  .hero-wrap{grid-template-columns:1fr !important;gap:28px !important;padding:42px 0 !important;}
  .hero-copy{max-width:100% !important;}
  .hero-copy h1{max-width:720px !important;}
  .hero-media,.hero-slider{height:420px !important;min-height:420px !important;}
  .proof-marquee-inner{grid-template-columns:1fr !important;gap:8px !important;}
  #cua-di{padding-top:140px !important;}
  .estimate-panel-v2{grid-template-columns:1fr !important;}
}
@media (max-width: 640px){
  .area-row{grid-template-columns:1fr !important;}
  .contact-mini-grid{grid-template-columns:1fr !important;}
  .hero-copy h1{font-size:34px !important;}
  .hero-media,.hero-slider{height:360px !important;min-height:360px !important;}
}