:root{
  --ink:#111;
  --muted:#6d6d6d;
  --paper:#fff;
  --soft:#f5f4f1;
  --line:#e8e6e1;
  --accent:#b9965b;
  --dark:#121212;
  --max:1440px;
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}
img{display:block;max-width:100%}
a{color:inherit}
.container{width:min(calc(100% - 44px),var(--max));margin:auto}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:var(--accent)}
.site-header{position:fixed;z-index:1000;top:0;left:0;right:0;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(0,0,0,.07)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{font-weight:900;letter-spacing:-.04em;text-decoration:none;line-height:1}
.brand-logo{width:150px;height:58px;object-fit:contain;object-position:left center}
.footer-logo{width:180px;height:75px;object-position:left center}
.footer-brand{display:block}
.brand small{display:block;font-size:9px;letter-spacing:.16em;color:var(--muted);margin-top:5px}
.navlinks{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:500}
.navlinks a{position:relative;text-decoration:none;padding:8px 2px;transition:color .22s ease,transform .22s ease}
.navlinks a::after{content:"";position:absolute;left:2px;right:2px;bottom:2px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform .25s ease}
.navlinks a:hover{color:var(--accent);transform:translateY(-1px)}
.navlinks a:hover::after{transform:scaleX(1)}
.nav-cta{background:var(--ink);color:#fff!important;padding:11px 17px!important;border-radius:999px;transition:background .22s ease,transform .22s ease,box-shadow .22s ease!important}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--accent);color:#fff!important;transform:translateY(-2px);box-shadow:0 8px 22px rgba(185,150,91,.24)}
.menu-btn{display:none;border:0;background:none;font-size:25px}
.hero{min-height:780px;background:linear-gradient(115deg,#252522 0%,#35342f 52%,#25231f 100%);color:#fff;display:flex;align-items:center;padding-top:72px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;width:700px;height:700px;border-radius:50%;right:-190px;top:60px;background:radial-gradient(circle,rgba(185,150,91,.38),transparent 68%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;align-items:stretch;gap:44px;position:relative;z-index:1}
.hero-copy{min-height:590px;display:flex;flex-direction:column;justify-content:center}
.hero h1{margin:18px 0 24px;max-width:760px;line-height:.98;letter-spacing:-.055em;display:flex;flex-direction:column;gap:4px}.hero-title-main{font-size:clamp(58px,6.5vw,88px);font-weight:900;color:#fff}.hero-title-sub{font-size:clamp(34px,4vw,54px);font-weight:800;color:var(--accent);letter-spacing:-.045em;white-space:nowrap}
.hero p{font-size:18px;color:rgba(255,255,255,.76);max-width:650px;margin-top:0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;text-decoration:none;font-weight:500;border:1px solid transparent;transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;will-change:transform}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-3px);box-shadow:0 12px 26px rgba(185,150,91,.24)}
.btn-outline:hover{background:rgba(185,150,91,.14);border-color:var(--accent);color:#fff;transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.18)}
.btn-dark:hover{background:var(--accent);color:#fff;transform:translateY(-3px);box-shadow:0 12px 26px rgba(185,150,91,.22)}
.btn-gold:hover{background:#fff;color:#111;border-color:#fff;transform:translateY(-3px);box-shadow:0 12px 26px rgba(185,150,91,.24)}
.btn:active{transform:translateY(-1px)}
.btn-primary{background:#fff;color:#111}
.btn-dark{background:#111;color:#fff}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-gold{background:var(--accent);color:#fff}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:35px;font-size:12px;color:rgba(255,255,255,.68)}
.hero-visual{min-height:590px;display:flex;align-items:center;justify-content:center;transform:translateY(-42px)}
.hero-video-frame{
  position:relative;
  width:min(100%,760px);
  aspect-ratio:1.55/1;
  border-radius:30px;
  padding:10px;
  overflow:visible;
  isolation:isolate;
}
.hero-video-frame::before{
  content:"";
  position:absolute;
  z-index:-2;
  inset:12px;
  border-radius:26px;
  background:rgba(255,255,255,.20);
  filter:blur(28px);
  transform:scale(1.05);
  opacity:.85;
}
.hero-video-frame::after{
  content:"";
  position:absolute;
  z-index:-1;
  inset:0;
  border-radius:30px;
  padding:1px;
  background:linear-gradient(
    135deg,
    rgba(255,255,255,.62),
    rgba(255,255,255,.08) 45%,
    rgba(185,150,91,.55)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
}
.hero-video{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  border-radius:22px;
  background:#090909;
  pointer-events:none;
  user-select:none;
  -webkit-user-select:none;
  box-shadow:
    0 35px 75px rgba(0,0,0,.46),
    0 0 35px rgba(255,255,255,.10);
}
.section{padding:105px 0}
.section.soft{background:var(--soft)}
.section.dark{background:var(--dark);color:#fff}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:45px}
.section-head h2{font-size:clamp(34px,4.5vw,60px);line-height:1;letter-spacing:-.045em;margin:12px 0 0;max-width:760px}
.section-head p{max-width:500px;color:var(--muted);margin:0}
.dark .section-head p{color:rgba(255,255,255,.65)}
.video-card{border-radius:var(--radius);overflow:hidden;background:#161616;min-height:500px;display:grid;place-items:center;position:relative}
.video-card img{width:100%;height:100%;min-height:500px;object-fit:cover;opacity:.8}
.video-copy{position:absolute;inset:auto 30px 30px;color:#fff;max-width:580px}
.video-copy h3{font-size:clamp(28px,4vw,48px);line-height:1;margin:0 0 10px}
.video-copy p{color:rgba(255,255,255,.76)}
.play{display:none}
.experience-card{min-height:560px}
.experience-card img{opacity:.92}
.experience-card .video-copy{max-width:680px}
.experience-card .video-copy h3{max-width:620px}
.experience-card .video-copy p{max-width:620px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.card-img{height:430px;background:#f6f6f6;display:flex;align-items:center;justify-content:center}
.card-img img{width:100%;height:100%;object-fit:contain}
.card-body{padding:24px}
.card-body h3{font-size:27px;line-height:1.05;margin:8px 0 10px}
.card-body p{color:var(--muted)}
.price{font-size:23px;font-weight:900;margin:16px 0}
.text-link{font-weight:850;text-decoration:none}
.text-link:hover{text-decoration:underline}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.value{background:#fff;padding:32px;min-height:235px}
.value-num{font-size:12px;color:var(--accent);font-weight:900}
.value h3{font-size:21px;margin:35px 0 10px}
.value p{color:var(--muted);margin:0}
.space-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.space{position:relative;min-height:240px;border-radius:var(--radius);overflow:hidden;background:#222;color:#fff;padding:25px;display:flex;align-items:end}
.space:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 35%,rgba(0,0,0,.82))}
.space-content{position:relative;z-index:1}
.space h3{margin:4px 0;font-size:28px}
.space p{margin:0;color:rgba(255,255,255,.75);font-size:14px}
.custom{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.custom-visual{min-height:520px;background:#eee;border-radius:var(--radius);display:grid;place-items:center;padding:30px}
.custom-visual img{max-height:480px}
.custom h2{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.05em;margin:12px 0 20px}
.checks{display:grid;gap:12px;margin:25px 0}
.check{display:flex;gap:10px}
.technology-intro{display:grid;grid-template-columns:1fr .72fr;gap:70px;align-items:end;margin-bottom:48px}
.technology-intro h2{font-size:clamp(40px,5.2vw,68px);line-height:.98;letter-spacing:-.055em;margin:14px 0 0;max-width:760px}
.technology-intro>p{color:rgba(255,255,255,.68);font-size:17px;max-width:520px;margin:0 0 4px}
.technology-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:24px;align-items:stretch}
.tech-visual{border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:24px;background:linear-gradient(145deg,#191919,#151515)}
.tech-stack{display:grid;gap:10px}
.tech-row{min-height:82px;padding:16px 18px;border:1px solid rgba(255,255,255,.12);border-radius:13px;display:flex;justify-content:space-between;align-items:center;gap:18px;background:rgba(255,255,255,.015)}
.tech-row>div{min-width:0}
.tech-row strong{display:block;font-size:15px}
.tech-row small{display:block;color:rgba(255,255,255,.45);font-size:12px;margin-top:4px}
.tech-row>span{color:rgba(255,255,255,.68);font-size:13px;text-align:right;white-space:nowrap}
.smart-app-card{position:relative;overflow:hidden;border-radius:22px;border:1px solid rgba(185,150,91,.35);background:radial-gradient(circle at 80% 18%,rgba(185,150,91,.16),transparent 34%),linear-gradient(145deg,#1b1b1b,#101010);min-height:100%;padding:34px 34px 30px;display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:center}
.smart-app-copy{position:relative;z-index:2}
.smart-app-copy h3{font-size:clamp(30px,3.4vw,46px);line-height:1;letter-spacing:-.045em;margin:12px 0 14px;max-width:430px}
.smart-app-copy>p{color:rgba(255,255,255,.68);font-size:15px;max-width:430px;margin:0}
.platform-badges{display:flex;gap:8px;margin:18px 0 20px;flex-wrap:wrap}
.platform-badges span{display:inline-flex;align-items:center;min-height:34px;padding:0 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em}
.smart-features{display:grid;gap:8px;margin:0 0 22px}
.smart-features>div{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.76);font-size:13px}
.smart-features b{font-size:10px;color:var(--accent);letter-spacing:.08em}
.phone-stage{display:flex;align-items:center;justify-content:center;min-height:430px;position:relative}
.phone-stage:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;background:rgba(185,150,91,.13);filter:blur(34px)}
.phone{position:relative;width:205px;height:410px;border:7px solid #252525;border-radius:34px;background:#0b0b0b;box-shadow:0 28px 60px rgba(0,0,0,.48),0 0 0 1px rgba(255,255,255,.08);transform:rotate(2deg);z-index:1}
.phone-notch{position:absolute;z-index:3;top:7px;left:50%;transform:translateX(-50%);width:74px;height:18px;border-radius:0 0 13px 13px;background:#080808}
.phone-screen{position:absolute;inset:0;border-radius:27px;overflow:hidden;padding:32px 14px 14px;background:linear-gradient(180deg,#f8f7f3,#ece9e1);color:#111}
.app-top{display:flex;justify-content:space-between;font-size:11px;font-weight:800}.app-top i{color:#5f9b6a;font-style:normal;font-size:9px}
.app-greeting{font-size:10px;color:#777;margin:24px 0 7px}
.app-device{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:12px;padding:11px;box-shadow:0 8px 18px rgba(0,0,0,.07)}
.app-device small{display:block;font-size:7px;letter-spacing:.08em;color:#9a7a45}.app-device strong{display:block;font-size:20px;line-height:1.1;margin-top:2px}.online-dot{color:#5f9b6a;font-size:12px}
.app-switch{margin-top:10px;background:#111;color:#fff;border-radius:12px;padding:11px;position:relative}.app-switch span{display:block;font-size:8px;color:#aaa}.app-switch strong{font-size:10px;display:block;margin-top:2px}.switch-on{position:absolute;right:10px;top:14px;width:31px;height:17px;border-radius:99px;background:var(--accent)}.switch-on i{position:absolute;right:2px;top:2px;width:13px;height:13px;border-radius:50%;background:#fff}
.app-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px}.app-controls>div{background:#fff;border-radius:10px;padding:9px;box-shadow:0 5px 13px rgba(0,0,0,.05)}.app-controls b{font-size:13px;display:block}.app-controls span{font-size:7px;color:#777;display:block;margin-top:4px}.app-controls strong{font-size:8px;color:#8b7043}
.app-timer{background:#fff;border-radius:10px;padding:10px;margin-top:8px;box-shadow:0 5px 13px rgba(0,0,0,.05);font-size:8px}.app-timer span{color:#777;display:block}.app-timer strong{display:block;margin-top:4px;font-size:9px}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{border-top:2px solid var(--ink);padding-top:18px}
.step-num{font-size:12px;font-weight:900;color:var(--accent)}
.step h3{margin:28px 0 8px}
.step p{color:var(--muted)}
.case{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center}
.case img{width:100%;height:520px;object-fit:cover;border-radius:var(--radius)}
.case h2{font-size:clamp(36px,5vw,62px);line-height:.98;letter-spacing:-.05em;margin:12px 0}
.kts{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
.kts-box{background:#181818;color:#fff;border-radius:var(--radius);padding:45px}
.kts-box h2{font-size:clamp(35px,4.5vw,58px);line-height:1;letter-spacing:-.05em}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}
.benefit{border:1px solid rgba(255,255,255,.14);padding:18px;border-radius:12px}
.warranty{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}
.warranty div{padding:40px;border-right:1px solid var(--line)}
.warranty div:last-child{border-right:0}
.warranty strong{font-size:45px;display:block;line-height:1}
.warranty span{display:block;color:var(--muted);margin-top:8px}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:14px}
details{border-top:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-weight:800}
details p{color:var(--muted);max-width:620px}
.final-cta{background:#111;color:#fff;text-align:center;padding:110px 20px}
.final-cta h2{font-size:clamp(42px,6vw,76px);line-height:.95;letter-spacing:-.055em;max-width:900px;margin:12px auto 20px}
.final-cta p{color:rgba(255,255,255,.7);max-width:650px;margin:auto}
.footer{background:#0b0b0b;color:#fff;padding:55px 0 95px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
.footer a{color:rgba(255,255,255,.7);text-decoration:none;display:block;margin:8px 0;font-size:14px}
.footer a:hover{color:#fff}
.footer p{color:rgba(255,255,255,.55);font-size:14px}
.mobile-bar{display:none}
.page-hero{padding:150px 0 70px;background:var(--soft)}
.page-hero h1{font-size:clamp(42px,6vw,78px);line-height:.95;letter-spacing:-.055em;max-width:850px;margin:15px 0}
.page-hero p{max-width:680px;color:var(--muted);font-size:18px}
.prose{max-width:800px}
.prose h2{font-size:38px;line-height:1.05;margin-top:55px}
.prose p,.prose li{color:#555}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:680px}
th,td{padding:16px;border-bottom:1px solid var(--line);text-align:left}
th{font-size:13px;text-transform:uppercase;letter-spacing:.08em}

@media(max-width:900px){
  .smart-app-card{grid-template-columns:1fr;gap:6px}
  .phone-stage{min-height:390px}
}
@media(max-width:620px){
  .technology-intro{gap:22px;margin-bottom:30px}
  .technology-intro h2{font-size:42px}
  .technology-intro>p{font-size:15px}
  .tech-visual{padding:14px}
  .tech-row{min-height:76px;padding:14px;align-items:flex-start}
  .tech-row>span{font-size:11px;padding-top:2px}
  .smart-app-card{padding:25px 18px 20px;border-radius:18px}
  .smart-app-copy h3{font-size:34px}
  .phone{width:190px;height:380px}
  .phone-stage{min-height:380px}
}
@media(max-width:900px){
  .navlinks{display:none}
  .menu-btn{display:block}
  .hero-grid,.custom,.tech,.case,.kts,.technology-intro,.technology-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding-bottom:70px}
  .hero-copy{min-height:0;padding-top:48px}
  .hero-visual{min-height:470px;transform:none}
  .cards,.space-grid{grid-template-columns:1fr 1fr}
  .value-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .brand-logo{width:128px;height:50px}
  .footer-logo{width:170px;height:70px}
  .container{width:min(calc(100% - 34px),var(--max))}
  .nav{height:62px}
  .hero{padding-top:62px}
  .hero-content{padding-top:65px}
  .hero h1{font-size:46px}
  .hero p{font-size:16px}
  .hero-visual{min-height:350px}
  .hero-title-main{font-size:clamp(46px,12vw,64px)}
  .hero-title-sub{font-size:clamp(28px,7.2vw,40px);white-space:nowrap}
  .hero-video-frame{width:100%;aspect-ratio:16/10;padding:7px;border-radius:24px}
  .hero-video{border-radius:18px}
  .hero-visual img{max-height:370px}
  .section{padding:72px 0}
  .section-head{display:block}
  .section-head h2{font-size:39px}
  .cards,.space-grid,.value-grid,.steps,.benefits,.warranty,.faq,.footer-grid{grid-template-columns:1fr}
  .card-img{height:360px}
  .video-card,.video-card img{min-height:420px}
  .warranty div{border-right:0;border-bottom:1px solid var(--line)}
  .warranty div:last-child{border-bottom:0}
  .custom-visual{min-height:360px}
  .case img{height:350px}
  .mobile-bar{position:fixed;z-index:2000;display:grid;grid-template-columns:1fr 1fr 1fr;left:10px;right:10px;bottom:10px;background:#111;border-radius:15px;padding:5px;box-shadow:0 15px 40px rgba(0,0,0,.22)}
  .mobile-bar a{color:#fff;text-decoration:none;text-align:center;padding:13px 5px;font-size:12px;font-weight:800}
  .mobile-bar .main{background:#fff;color:#111;border-radius:11px}
  body{padding-bottom:75px}
}

/* Bộ sưu tập V9 */
.collection-head h2{max-width:680px}
.collection-head p{max-width:440px}
.collection-cards .card-body{display:flex;flex-direction:column;align-items:flex-start}
.collection-cards .card-body h3{font-size:30px;margin-bottom:4px}
.collection-cards .card-body p{margin:0 0 20px;color:var(--muted)}
.collection-cards .card-img{
  height:360px;
  padding:24px 34px 20px;
  box-sizing:border-box;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(180deg,#fafaf9 0%,#f5f4f1 100%);
  overflow:hidden;
}
.collection-cards .card-img img{
  display:block;
  width:auto;
  height:100%;
  max-width:100%;
  object-fit:contain;
  object-position:center center;
  filter:drop-shadow(0 14px 16px rgba(0,0,0,.10));
  transform:scale(.94);
  transition:transform .35s ease,filter .35s ease;
}
.collection-cards .card:hover .card-img img{
  transform:scale(.98);
  filter:drop-shadow(0 18px 22px rgba(0,0,0,.14));
}
.product-detail-btn{background:#fff;color:#111;border-color:#d9d5cd;margin-top:2px;min-height:46px}
.product-detail-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-3px);box-shadow:0 12px 26px rgba(185,150,91,.24)}
.collection-note{color:#777;font-size:13px;margin-top:18px}
.product-modal{position:fixed;inset:0;z-index:3000;display:none;align-items:center;justify-content:center;padding:24px}
.product-modal.is-open{display:flex}
.product-modal-backdrop{position:absolute;inset:0;background:rgba(12,12,12,.62);backdrop-filter:blur(5px)}
.product-modal-panel{position:relative;z-index:1;width:min(620px,100%);max-height:min(760px,90vh);overflow:auto;background:#fff;border-radius:22px;padding:38px;box-shadow:0 30px 90px rgba(0,0,0,.3)}
.product-modal-panel h3{font-size:clamp(36px,5vw,58px);line-height:.98;letter-spacing:-.05em;margin:10px 0 12px}
.product-modal-lead{font-size:18px;color:var(--muted);margin:0 0 24px}
.product-modal-grid{display:grid;gap:10px;margin-bottom:26px}
.product-detail-row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
.product-detail-row strong{font-weight:600}
.product-detail-row span{text-align:right;color:var(--muted)}
.product-modal-close{position:absolute;right:18px;top:14px;width:42px;height:42px;border:0;border-radius:50%;background:#f2f1ee;color:#111;font-size:28px;line-height:1;cursor:pointer;transition:transform .22s ease,background .22s ease}
.product-modal-close:hover{background:var(--accent);color:#fff;transform:rotate(90deg)}
body.modal-open{overflow:hidden}
@media(max-width:620px){
  .collection-head h2{max-width:100%}
  .collection-cards .card-img{
    height:330px;
    padding:22px 28px 18px;
  }
  .collection-cards .card-img img{transform:scale(.92)}
  .collection-cards .card:hover .card-img img{transform:scale(.95)}
  .product-modal{padding:14px}
  .product-modal-panel{padding:30px 22px 24px;border-radius:18px}
  .product-detail-row{display:block}
  .product-detail-row span{display:block;text-align:left;margin-top:4px}
}

/* Ứng dụng V12 — gallery ảnh công trình */
.application-section{overflow:hidden}
.application-head{align-items:end;margin-bottom:34px}
.application-head h2{max-width:720px}
.application-head p{max-width:520px}
.application-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  grid-template-rows:250px 250px 220px;
  gap:14px;
}
.application-card{
  position:relative;
  display:block;
  width:100%;
  height:100%;
  min-width:0;
  padding:0;
  border:0;
  border-radius:20px;
  overflow:hidden;
  background:#222;
  color:#fff;
  text-align:left;
  cursor:pointer;
  isolation:isolate;
}
.application-card-featured{grid-column:span 7;grid-row:span 2}
.application-card:nth-child(2){grid-column:span 5}
.application-card:nth-child(3){grid-column:span 5}
.application-card:nth-child(4),
.application-card:nth-child(5),
.application-card:nth-child(6){grid-column:span 4}
.application-card img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
  transform:scale(1.002);
  transition:transform .6s cubic-bezier(.2,.7,.2,1),filter .6s ease;
}
.application-card-featured img{object-position:center 54%}
.application-shade{
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(180deg,rgba(0,0,0,.03) 15%,rgba(0,0,0,.12) 42%,rgba(0,0,0,.78) 100%);
  transition:background .35s ease;
}
.application-content{
  position:absolute;
  z-index:2;
  inset:auto 24px 22px;
  display:grid;
  gap:4px;
  color:#fff;
}
.application-index{font-size:11px;font-weight:800;letter-spacing:.13em;color:rgba(255,255,255,.72)}
.application-content strong{font-size:clamp(22px,2.4vw,32px);line-height:1;letter-spacing:-.035em}
.application-content>span:not(.application-index){color:rgba(255,255,255,.78);font-size:13px}
.application-content i{
  position:absolute;right:0;bottom:0;width:42px;height:42px;
  display:grid;place-items:center;border:1px solid rgba(255,255,255,.34);
  border-radius:50%;font-style:normal;font-size:19px;background:rgba(0,0,0,.12);
  backdrop-filter:blur(4px);
  transition:transform .3s ease,background .3s ease,border-color .3s ease;
}
.application-card:hover img{transform:scale(1.045)}
.application-card:hover .application-shade{background:linear-gradient(180deg,rgba(0,0,0,.02) 10%,rgba(0,0,0,.10) 38%,rgba(0,0,0,.84) 100%)}
.application-card:hover .application-content i{transform:translate(2px,-2px);background:var(--accent);border-color:var(--accent)}
.application-cta{
  margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:22px;border-top:1px solid var(--line);
}
.application-cta>span{font-size:15px;color:var(--muted)}
.application-cta .btn{min-height:46px}
.application-modal{
  position:fixed;inset:0;z-index:3200;display:none;align-items:center;justify-content:center;padding:22px;
}
.application-modal.is-open{display:flex}
.application-modal-backdrop{position:absolute;inset:0;background:rgba(12,12,12,.68);backdrop-filter:blur(7px)}
.application-modal-panel{
  position:relative;z-index:1;width:min(980px,100%);max-height:min(760px,92vh);
  display:grid;grid-template-columns:1.08fr .92fr;background:#fff;border-radius:24px;overflow:hidden;
  box-shadow:0 35px 100px rgba(0,0,0,.35);
}
.application-modal-media{min-height:540px;background:#eee}
.application-modal-media img{width:100%;height:100%;display:block;object-fit:cover}
.application-modal-copy{padding:48px;display:flex;flex-direction:column;justify-content:center}
.application-modal-copy h3{font-size:clamp(40px,5vw,64px);line-height:.96;letter-spacing:-.05em;margin:10px 0 18px}
.application-modal-copy p{color:var(--muted);font-size:17px;line-height:1.65;margin:0 0 22px}
.application-modal-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.application-modal-tags span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:#555}
.application-modal-close{
  position:absolute;z-index:3;right:16px;top:16px;width:42px;height:42px;border:0;border-radius:50%;
  background:rgba(255,255,255,.9);color:#111;font-size:28px;line-height:1;cursor:pointer;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.application-modal-close:hover{background:var(--accent);color:#fff;transform:rotate(90deg)}
@media(max-width:900px){
  .application-grid{grid-template-columns:1fr 1fr;grid-template-rows:300px 220px 220px 220px}
  .application-card-featured{grid-column:1/-1;grid-row:span 1}
  .application-card:nth-child(2),.application-card:nth-child(3),.application-card:nth-child(4),.application-card:nth-child(5),.application-card:nth-child(6){grid-column:span 1}
  .application-modal-panel{grid-template-columns:1fr;max-height:90vh}
  .application-modal-media{min-height:300px;height:42vh}
  .application-modal-copy{padding:30px}
}
@media(max-width:620px){
  .application-head{margin-bottom:24px}
  .application-head p{font-size:15px}
  .application-grid{grid-template-columns:1fr;grid-template-rows:none;gap:12px}
  .application-card,.application-card-featured,.application-card:nth-child(n){grid-column:auto;grid-row:auto;height:280px}
  .application-card-featured{height:360px}
  .application-content{inset:auto 18px 18px}
  .application-content strong{font-size:28px}
  .application-cta{display:block;padding-top:18px}
  .application-cta>span{display:block;margin-bottom:14px}
  .application-cta .btn{width:100%}
  .application-modal{padding:12px}
  .application-modal-panel{border-radius:18px}
  .application-modal-media{height:250px;min-height:250px}
  .application-modal-copy{padding:28px 22px 24px}
  .application-modal-copy h3{font-size:42px}
  .application-modal-copy p{font-size:15px}
}


/* V17: compact homepage rhythm */
.aftercare-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:48px;align-items:end;margin-top:58px;margin-bottom:20px}
.aftercare-head h3{font-size:28px;line-height:1.12;letter-spacing:-.035em;margin:8px 0 0;max-width:620px}
.aftercare-head p{color:var(--muted);margin:0;max-width:430px;justify-self:end}
.aftercare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.aftercare-card{background:#fff;padding:28px 30px 30px;min-height:205px;display:flex;flex-direction:column}
.aftercare-index{font-size:11px;color:var(--accent);font-weight:800;letter-spacing:.08em}
.aftercare-card strong{font-size:31px;line-height:1;letter-spacing:-.035em;margin-top:28px}
.aftercare-card h4{font-size:17px;margin:9px 0 8px}
.aftercare-card p{color:var(--muted);margin:0;max-width:330px;font-size:14px}
.aftercare-card-logistics{background:#fbfaf7}
@media(max-width:900px){.aftercare-head{grid-template-columns:1fr;gap:12px}.aftercare-head p{justify-self:start}}
@media(max-width:620px){.aftercare-grid{grid-template-columns:1fr}.aftercare-card{min-height:0;padding:24px}.aftercare-card strong{margin-top:22px}}


/* V17 — R2 PROJECT STORIES */
.project-teaser-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.project-teaser-media{position:relative;min-height:520px;border-radius:var(--radius);overflow:hidden;background:#111}
.project-teaser-media img{width:100%;height:100%;min-height:520px;object-fit:cover;transition:transform .7s ease}
.project-teaser-media:hover img{transform:scale(1.025)}
.project-teaser-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.55))}
.project-teaser-tag{position:absolute;z-index:2;left:24px;bottom:22px;color:#fff;font-size:11px;font-weight:800;letter-spacing:.16em}
.project-teaser-copy h2{font-size:clamp(42px,5.2vw,68px);line-height:.96;letter-spacing:-.055em;margin:13px 0 22px}
.project-teaser-copy p{max-width:560px;color:var(--muted);font-size:17px;margin-bottom:28px}

.projects-page{background:#fff}
.projects-hero{min-height:780px;background:#151515;color:#fff;display:flex;align-items:end;padding:150px 0 90px;position:relative;overflow:hidden}
.projects-hero-bg{position:absolute;inset:0;background:radial-gradient(circle at 75% 35%,rgba(185,150,91,.24),transparent 34%),linear-gradient(120deg,#111,#24231f);opacity:1}
.projects-hero-content{position:relative;z-index:1}
.projects-hero h1{font-size:clamp(54px,7.4vw,100px);line-height:.88;letter-spacing:-.065em;max-width:980px;margin:18px 0 25px}
.projects-hero h1 em{font-style:normal;color:var(--accent)}
.projects-hero p{max-width:660px;color:rgba(255,255,255,.70);font-size:17px}
.projects-scroll{display:inline-flex;align-items:center;gap:16px;margin-top:38px;color:#fff;text-decoration:none;font-size:11px;font-weight:800;letter-spacing:.13em}
.projects-scroll i{font-size:22px;font-style:normal;color:var(--accent)}
.projects-index{background:#fff}
.projects-section-head{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end;margin-bottom:34px}
.projects-section-head h2{font-size:clamp(42px,5vw,68px);line-height:.95;letter-spacing:-.055em;margin:12px 0 0}
.projects-section-head>p{max-width:510px;color:var(--muted);margin:0}
.status-dot{width:7px;height:7px;border-radius:50%;background:#b8b8b8}
.status-dot.is-live{background:#5f9b6a;box-shadow:0 0 0 5px rgba(95,155,106,.10)}
.status-dot.is-error{background:#b96a5b}
.projects-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:76px 28px}
.project-card{min-width:0}
.project-card-media{
  display:grid;place-items:center;width:100%;padding:0;border:0;border-radius:var(--radius);
  overflow:hidden;background:#f2f0eb;position:relative;cursor:pointer;text-align:left;
  min-height:520px;isolation:isolate;
}
.project-card-media-inner{display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:520px;overflow:hidden}
.project-card-media.orientation-landscape .project-card-media-inner{padding:0;background:#111}
.project-card-media.orientation-square .project-card-media-inner{padding:24px;background:#f2f0eb}
.project-card-media.orientation-portrait .project-card-media-inner{padding:0 14%;background:#eeeae3}
.project-card-media img,.project-card-media video{
  display:block;max-width:100%;max-height:680px;width:auto;height:auto;object-fit:contain;
  transition:transform .7s ease;
}
.project-card-media.orientation-landscape img,.project-card-media.orientation-landscape video{
  width:100%;height:100%;min-height:520px;object-fit:cover;
}
.project-card-media.orientation-square img,.project-card-media.orientation-square video{
  width:100%;height:auto;max-height:620px;object-fit:contain;
}
.project-card-media.orientation-portrait img,.project-card-media.orientation-portrait video{
  width:auto;height:auto;max-width:100%;max-height:680px;object-fit:contain;
}
.project-card:hover .project-card-media img,.project-card:hover .project-card-media video{transform:scale(1.025)}
.project-card-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.02) 50%,rgba(0,0,0,.68));pointer-events:none}
.project-card-meta{position:absolute;z-index:2;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;color:#fff;font-size:10px;font-weight:800;letter-spacing:.12em}
.project-card-open{position:absolute;z-index:2;right:20px;bottom:18px;color:#fff;font-size:13px;font-weight:700}
.project-card-open b{display:inline-block;margin-left:7px;color:var(--accent);font-size:18px}
.project-card-copy{padding:18px 2px 0}
.project-card-copy h3{font-size:32px;line-height:1;letter-spacing:-.04em;margin:7px 0 6px}
.project-card-copy p{margin:0;color:var(--muted);font-size:14px}
.project-card-placeholder{height:100%;display:grid;place-items:center;color:var(--accent);font-weight:900;font-size:50px;letter-spacing:-.05em}
.projects-empty{border:1px dashed var(--line);padding:70px 30px;text-align:center}
.projects-empty h3{font-size:34px;letter-spacing:-.04em;margin:10px 0}
.projects-empty p{color:var(--muted);max-width:620px;margin:auto}
.project-detail-section{padding:120px 0 0;background:#fff}
.project-detail-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:42px}
.project-back{border:0;background:none;padding:0;color:var(--muted);font:inherit;font-weight:700;cursor:pointer}
.project-back:hover{color:var(--ink)}
.project-detail-heading{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:end;margin-bottom:45px}
.project-detail-heading h2{font-size:clamp(48px,7vw,92px);line-height:.9;letter-spacing:-.065em;margin:12px 0 0}
.project-detail-heading p{color:var(--muted);max-width:520px;font-size:17px;margin:0 0 5px}

/* MEDIA RATIO SYSTEM — desktop */
.project-feature-media{
  width:100%;min-height:0;border-radius:24px;overflow:hidden;background:#111;
  display:flex;align-items:center;justify-content:center;isolation:isolate;
}
.project-feature-media.orientation-landscape{background:#111}
.project-feature-media.orientation-square{background:#eeeae3;padding:24px}
.project-feature-media.orientation-portrait{background:#eeeae3;padding:0 18%;min-height:520px}
.project-feature-media img,.project-feature-media video{
  display:block;width:auto;height:auto;max-width:100%;max-height:78vh;object-fit:contain;background:#111;
}
.project-feature-media.orientation-landscape img,.project-feature-media.orientation-landscape video{
  width:100%;height:auto;max-height:78vh;object-fit:contain;
}
.project-feature-media.orientation-square img,.project-feature-media.orientation-square video{
  width:auto;height:auto;max-width:100%;max-height:72vh;object-fit:contain;
}
.project-feature-media.orientation-portrait img,.project-feature-media.orientation-portrait video{
  width:auto;height:auto;max-width:100%;max-height:78vh;object-fit:contain;
}
.project-media-image{
  position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%;
  padding:0;border:0;cursor:zoom-in;overflow:hidden;
}
.project-media-image.orientation-landscape{background:#111}
.project-media-image.orientation-square{background:#eeeae3;padding:24px}
.project-media-image.orientation-portrait{background:#eeeae3;padding:0 12%}
.project-media-image-inner{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.project-media-image img{
  display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;transition:transform .6s ease;
}
.project-media-image.orientation-landscape img{width:100%;height:auto}
.project-media-image.orientation-square img{width:auto;height:auto;max-width:100%;max-height:100%}
.project-media-image.orientation-portrait img{width:auto;height:auto;max-width:100%;max-height:760px}
.project-media-image:hover img{transform:scale(1.018)}
.project-media-label{position:absolute;right:16px;bottom:14px;color:#fff;background:rgba(0,0,0,.56);padding:7px 10px;border-radius:999px;font-size:11px}
.project-media-video{background:#111;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}
.project-media-video video{display:block;width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;background:#000}
.project-media-video.orientation-landscape video{width:100%;height:auto}
.project-media-video.orientation-square video{width:auto;height:auto;max-width:100%;max-height:760px}
.project-media-video.orientation-portrait video{width:auto;height:auto;max-width:100%;max-height:760px}
.project-story-intro{max-width:760px;padding:105px 0 45px}
.project-story-intro h3{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.055em;margin:13px 0 16px}
.project-story-intro p{color:var(--muted);font-size:16px}
.project-gallery{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:minmax(260px,auto);gap:18px;align-items:stretch}
.project-gallery-item{min-width:0;min-height:0;border-radius:20px;overflow:hidden;background:#111;display:flex}
.project-gallery-item.gallery-landscape{grid-column:span 8;min-height:430px}
.project-gallery-item.gallery-square{grid-column:span 4;min-height:430px}
.project-gallery-item.gallery-portrait{grid-column:span 4;min-height:520px}
.project-gallery-item.gallery-video{grid-column:1/-1;min-height:0}
.project-gallery-item.gallery-video.orientation-portrait{grid-column:span 4;min-height:520px;background:#eeeae3}
.project-gallery-item.gallery-video.orientation-square{grid-column:span 6;min-height:460px}
.project-detail-cta{margin:120px 0 0;padding:85px 35px;background:#111;color:#fff;border-radius:24px;text-align:center}
.project-detail-cta h3{font-size:clamp(42px,5.5vw,70px);line-height:.94;letter-spacing:-.055em;margin:12px auto 18px;max-width:850px}
.project-detail-cta p{color:rgba(255,255,255,.68);max-width:600px;margin:0 auto}
.project-lightbox{position:fixed;z-index:5000;inset:0;background:rgba(0,0,0,.94);display:flex;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
.project-lightbox img{max-width:94vw;max-height:90vh;width:auto;height:auto;object-fit:contain}
.project-lightbox button{position:absolute;right:22px;top:16px;width:46px;height:46px;border:1px solid rgba(255,255,255,.25);border-radius:50%;background:rgba(0,0,0,.35);color:#fff;font-size:28px;cursor:pointer}
.project-closing{background:var(--soft);text-align:center;padding:120px 0}
.project-closing h2{font-size:clamp(46px,6vw,78px);line-height:.94;letter-spacing:-.06em;margin:13px 0 20px}
.project-closing p{color:var(--muted);margin-bottom:30px}

@media(max-width:900px){
  .project-teaser-grid,.projects-section-head,.project-detail-heading{grid-template-columns:1fr;gap:30px}
  .project-teaser-media,.project-teaser-media img{min-height:440px}
  .projects-hero{min-height:720px}
  .projects-grid{grid-template-columns:1fr;gap:55px}
  .project-gallery{grid-template-columns:1fr}
  .project-gallery-item,.project-gallery-item.gallery-tall,.project-gallery-item.gallery-video{grid-row:auto;grid-column:auto;min-height:430px}
}
@media(max-width:620px){
  .project-teaser-grid{gap:30px}
  .project-teaser-media,.project-teaser-media img{min-height:390px}
  .project-teaser-copy h2{font-size:40px}
  .projects-hero{min-height:700px;padding:120px 0 70px}
  .projects-hero h1{font-size:clamp(48px,14vw,66px)}
  .projects-hero p{font-size:15px}
  .projects-section-head h2{font-size:41px}
  .project-card-media{min-height:420px;border-radius:18px}
  .project-card-media-inner{min-height:420px}
  .project-card-media.orientation-landscape .project-card-media-inner{min-height:420px}
  .project-card-media.orientation-portrait .project-card-media-inner{padding:0 18%;min-height:420px}
  .project-card-copy h3{font-size:29px}
  .project-detail-section{padding-top:88px}
  .project-detail-heading h2{font-size:51px}
  .project-feature-media{min-height:0;border-radius:18px;padding:0}
  .project-feature-media.orientation-portrait{padding:0 16%;min-height:0}
  .project-feature-media img,.project-feature-media video{max-height:72vh;min-height:0;object-fit:contain}
  .project-feature-media.orientation-landscape img,.project-feature-media.orientation-landscape video{width:100%;height:auto}
  .project-gallery{grid-template-columns:1fr;grid-auto-rows:auto}
  .project-gallery-item,.project-gallery-item.gallery-landscape,.project-gallery-item.gallery-square,.project-gallery-item.gallery-portrait,.project-gallery-item.gallery-video,.project-gallery-item.gallery-video.orientation-portrait,.project-gallery-item.gallery-video.orientation-square{grid-column:auto;min-height:0;height:auto}
  .project-gallery-item .project-media-image,.project-gallery-item .project-media-video{min-height:360px}
  .project-gallery-item.gallery-portrait .project-media-image,
  .project-gallery-item.gallery-video.orientation-portrait .project-media-video{padding:0 12%;background:#eeeae3}
  .project-story-intro{padding:72px 0 30px}
  .project-story-intro h3{font-size:39px}
  .project-gallery-item,.project-gallery-item.gallery-tall,.project-gallery-item.gallery-video{min-height:360px;border-radius:16px}
  .project-media-video video{min-height:360px}
  .project-detail-cta{margin-top:75px;padding:65px 20px;border-radius:18px}
  .project-detail-cta h3{font-size:41px}
  .project-lightbox{padding:14px}
}

/* ================================================================
   HPT V29 — SITE-WIDE EDITORIAL SYSTEM
   Shared visual language derived from the V29 pricing page.
   Scope: typography, spacing, borders, buttons, cards, heroes,
   navigation and responsive behavior. Content/logic unchanged.
   ================================================================ */
:root{
  --hpt26-ink:#373435;
  --hpt26-ink-deep:#202021;
  --hpt26-paper:#f8f6f1;
  --hpt26-paper-2:#efeee9;
  --hpt26-white:#fff;
  --hpt26-gold:#e8c47a;
  --hpt26-gold-deep:#b9965b;
  --hpt26-blue:#0f5069;
  --hpt26-blue-soft:#dceef2;
  --hpt26-line:rgba(55,52,53,.14);
  --hpt26-muted:#686563;
  --hpt26-max:1240px;
  --hpt26-font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}

html,body,button,input,textarea,select{font-family:var(--hpt26-font)}
body{
  color:var(--hpt26-ink);
  background:var(--hpt26-paper);
  line-height:1.58;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
.container{width:min(calc(100% - 44px),var(--hpt26-max))}

/* Header: quiet architectural navigation rather than rounded SaaS UI. */
.site-header{
  background:rgba(248,246,241,.94);
  border-bottom:1px solid var(--hpt26-line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav{height:78px;max-width:var(--hpt26-max);margin:auto}
.brand{letter-spacing:-.045em;color:var(--hpt26-ink)}
.brand-logo{width:152px;height:58px}
.navlinks{gap:28px;font-size:13px;letter-spacing:.02em}
.navlinks a{padding:9px 0}
.navlinks a::after{left:0;right:0;bottom:3px;background:var(--hpt26-gold-deep)}
.nav-cta{
  background:var(--hpt26-ink-deep)!important;
  border-radius:3px!important;
  padding:12px 18px!important;
  letter-spacing:.01em;
}
.nav-cta:hover{background:var(--hpt26-gold-deep)!important;box-shadow:none}
.menu-btn{color:var(--hpt26-ink);font-family:inherit}

/* Editorial headings: consistent across every page. */
.eyebrow{
  color:var(--hpt26-gold-deep);
  font-size:11px;
  letter-spacing:.18em;
  font-weight:800;
}
.section{padding:clamp(76px,9vw,132px) 0}
.section.soft,.page-hero{background:var(--hpt26-paper-2)}
.section-head{margin-bottom:clamp(34px,4vw,58px);align-items:flex-end}
.section-head h2,
.page-hero h1,
.custom h2,
.case h2,
.technology-intro h2,
.final-cta h2{
  color:var(--hpt26-ink);
  font-weight:800;
  letter-spacing:-.055em;
}
.section-head h2{font-size:clamp(38px,5.4vw,72px)}
.section-head p,.page-hero p{color:var(--hpt26-muted)}

/* Home hero keeps the dramatic dark HPT identity while borrowing the V29 geometry. */
.hero{
  min-height:760px;
  background:
    radial-gradient(circle at 78% 28%,rgba(15,80,105,.28),transparent 24%),
    radial-gradient(circle at 86% 75%,rgba(232,196,122,.24),transparent 28%),
    linear-gradient(120deg,#252423 0%,#34312d 58%,#211f1d 100%);
}
.hero:after{background:radial-gradient(circle,rgba(232,196,122,.28),transparent 68%)}
.hero h1{letter-spacing:-.06em}
.hero-title-main{font-weight:800}
.hero-title-sub{font-weight:750;color:var(--hpt26-gold);}
.hero p{color:rgba(255,255,255,.72);line-height:1.7}
.hero-points{letter-spacing:.02em}
.hero-video-frame{border-radius:4px;padding:8px}
.hero-video-frame::before{border-radius:4px}
.hero-video-frame::after{border-radius:4px;background:linear-gradient(135deg,rgba(255,255,255,.58),rgba(255,255,255,.08) 48%,rgba(232,196,122,.55))}
.hero-video{border-radius:2px;box-shadow:0 32px 72px rgba(0,0,0,.42)}

/* Buttons */
.btn{border-radius:3px;min-height:48px;padding:0 21px;font-size:14px;letter-spacing:.01em}
.btn-primary{background:var(--hpt26-white);color:var(--hpt26-ink-deep)}
.btn-dark{background:var(--hpt26-ink-deep)}
.btn-gold{background:var(--hpt26-gold-deep)}
.btn-outline{border-color:rgba(255,255,255,.45)}
.btn-primary:hover,.btn-dark:hover,.btn-gold:hover{background:var(--hpt26-gold-deep);box-shadow:none}

/* Cards and image objects share the V29 showroom treatment. */
.card,.video-card,.custom-visual,.case img,.space,.kts-box,.tech-visual,.smart-app-card{
  border-radius:4px;
}
.card{border:1px solid var(--hpt26-line);box-shadow:0 12px 34px rgba(55,52,53,.045)}
.card:hover{transform:translateY(-3px);transition:transform .25s ease,box-shadow .25s ease;box-shadow:0 18px 42px rgba(55,52,53,.08)}
.card-img{background:var(--hpt26-paper-2)}
.card-body{padding:26px}
.card-body h3{font-weight:800;letter-spacing:-.035em}
.price{color:var(--hpt26-ink-deep);font-weight:800}
.value-grid{border-color:var(--hpt26-line);background:var(--hpt26-line)}
.value{background:var(--hpt26-white)}
.value-num,.step-num{color:var(--hpt26-gold-deep)}
.value h3,.step h3{font-weight:800;letter-spacing:-.025em}
.space{box-shadow:0 14px 32px rgba(0,0,0,.08)}
.space:before{background:linear-gradient(transparent 28%,rgba(0,0,0,.84))}

/* Dark sections use the same graphite/gold material language. */
.section.dark{background:var(--hpt26-ink-deep)}
.dark .section-head h2,.dark .technology-intro h2{color:#fff}
.technology-grid{gap:22px}
.tech-visual,.smart-app-card{border-color:rgba(232,196,122,.20)}
.tech-row{border-radius:4px}
.smart-app-card{background:radial-gradient(circle at 80% 18%,rgba(232,196,122,.15),transparent 34%),linear-gradient(145deg,#242321,#121212)}

/* Interior pages: shared editorial hero. */
.page-hero{
  padding:clamp(130px,15vw,175px) 0 clamp(66px,8vw,94px);
  border-bottom:1px solid var(--hpt26-line);
}
.page-hero h1{font-size:clamp(48px,7vw,88px);max-width:980px;margin:14px 0 20px}
.page-hero p{font-size:17px;line-height:1.75}
.prose{max-width:820px}
.prose h2{font-weight:800;letter-spacing:-.045em;color:var(--hpt26-ink)}
.prose p,.prose li{color:#5f5b58}
.table-wrap{border:1px solid var(--hpt26-line);background:#fff}
th,td{border-color:var(--hpt26-line)}
th{color:var(--hpt26-ink);letter-spacing:.12em}

/* Footer alignment with the V29 visual system. */
.footer{background:#111;color:#fff;border-top:1px solid rgba(232,196,122,.18)}
.footer a:hover{color:var(--hpt26-gold)}

/* Mobile-first rhythm and navigation. */
@media(max-width:900px){
  .nav{height:70px;padding:0 22px}
  .navlinks{gap:18px}
  .hero{min-height:720px}
  .hero-grid{grid-template-columns:1fr;gap:18px}
  .hero-copy{min-height:auto;padding-top:34px}
  .hero-visual{min-height:400px;transform:none}
  .section-head{display:block}
  .section-head p{margin-top:18px;max-width:650px}
  .cards{grid-template-columns:1fr 1fr}
  .custom,.case,.kts{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .warranty{grid-template-columns:1fr}
  .warranty div{border-right:0;border-bottom:1px solid var(--hpt26-line)}
  .warranty div:last-child{border-bottom:0}
}
@media(max-width:620px){
  .container{width:min(calc(100% - 32px),var(--hpt26-max))}
  .brand-logo{width:135px;height:54px}
  .nav{padding:0 16px}
  .navlinks{display:none}
  .menu-btn{display:block}
  .hero{padding-top:70px;min-height:0}
  .hero-copy{padding:66px 0 10px}
  .hero-title-main{font-size:clamp(48px,15vw,70px)}
  .hero-title-sub{font-size:clamp(30px,9vw,43px);white-space:normal}
  .hero p{font-size:16px}
  .hero-visual{min-height:280px;padding:12px 0 42px}
  .hero-video-frame{width:100%}
  .section{padding:74px 0}
  .section-head h2{font-size:clamp(38px,12vw,54px)}
  .cards,.steps,.benefits,.faq{grid-template-columns:1fr}
  .card-img{height:350px}
  .page-hero{padding-top:120px}
  .page-hero h1{font-size:clamp(44px,14vw,64px)}
  .page-hero p{font-size:16px}
  .btn{width:100%}
  .actions{display:grid;grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition:none!important;animation:none!important}
}

/* =========================================================
   HPT V29 — SITE-WIDE HEADING TYPOGRAPHY
   Reference: pricing hero “Ba dòng vách bọt nước. Mỗi dòng một cách tạo dấu ấn.”
   Keep each component's existing size/layout; unify the type treatment.
   ========================================================= */
:root{
  --hpt25-heading-font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --hpt25-heading-weight:500;
  --hpt25-heading-tracking:-.065em;
  --hpt25-heading-leading:.94;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--hpt25-heading-font);
  font-weight:var(--hpt25-heading-weight) !important;
  letter-spacing:var(--hpt25-heading-tracking) !important;
  line-height:var(--hpt25-heading-leading);
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}

/* Preserve intentionally italic/emphasis styling without changing the V29 type character. */
h1 em,h2 em,h3 em,h4 em,h5 em,h6 em{font-family:inherit;font-weight:inherit;letter-spacing:inherit}

@media (max-width:600px){
  h1,h2,h3,h4,h5,h6{letter-spacing:-.055em !important;}
}

/* =========================================================
   HPT V29.6 — SITE-WIDE EDGE ALIGNMENT + HERO CIRCLES
   Reference: V28 / Giải pháp hero geometry.
   Only the requested visual alignment changes are introduced.
   ========================================================= */

/* Home + About use exactly the same horizontal content rail as Giải pháp. */
body.hpt-home-v293 .container,
body.hpt-about-v293 .container{
  width:min(1440px,calc(100% - 44px));
  max-width:1440px;
  margin-left:auto;
  margin-right:auto;
}

/* Home hero — restrained concentric circles in the upper-right corner. */
body.hpt-home-v293 .hero::before{
  content:"";
  position:absolute;
  width:660px;
  height:660px;
  right:-190px;
  top:-170px;
  border:1px solid rgba(15,80,105,.16);
  border-radius:50%;
  box-shadow:
    0 0 0 42px rgba(15,80,105,.045),
    0 0 0 90px rgba(185,150,91,.045);
  pointer-events:none;
  z-index:0;
}
body.hpt-home-v293 .hero::after{
  content:"";
  position:absolute;
  width:660px;
  height:660px;
  right:-190px;
  top:-170px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(214,235,238,.12) 0 28%,transparent 62%);
  pointer-events:none;
  z-index:0;
}
body.hpt-home-v293 .hero-grid{z-index:2}

/* Projects hero — same visual language as Giải pháp, adapted to the dark hero. */
body.hpt-projects-v293 .projects-hero::before{
  content:"";
  position:absolute;
  width:660px;
  height:660px;
  right:-190px;
  top:-170px;
  border:1px solid rgba(15,80,105,.24);
  border-radius:50%;
  box-shadow:
    0 0 0 42px rgba(15,80,105,.08),
    0 0 0 90px rgba(185,150,91,.07);
  pointer-events:none;
  z-index:1;
}
body.hpt-projects-v293 .projects-hero::after{
  content:"";
  position:absolute;
  width:660px;
  height:660px;
  right:-190px;
  top:-170px;
  border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(214,235,238,.10) 0 28%,transparent 62%);
  pointer-events:none;
  z-index:1;
}
body.hpt-projects-v293 .projects-hero-bg{z-index:0}
body.hpt-projects-v293 .projects-hero-content{z-index:2}

@media(max-width:620px){
  body.hpt-home-v293 .container,
  body.hpt-about-v293 .container{
    width:min(100% - 34px,1440px);
  }

  body.hpt-home-v293 .hero::before,
  body.hpt-home-v293 .hero::after,
  body.hpt-projects-v293 .projects-hero::before,
  body.hpt-projects-v293 .projects-hero::after{
    width:420px;
    height:420px;
    right:-220px;
    top:-100px;
  }
}

/* =========================================================
   HPT V33 — PROFESSIONAL MOBILE EXPERIENCE
   Based on V33. Desktop visual language remains unchanged.
   ========================================================= */
html{overflow-x:hidden;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{overflow-x:hidden}
img,video,iframe{max-width:100%}
button,a{-webkit-tap-highlight-color:transparent}

@media (max-width:900px){
  :root{--mobile-gutter:24px}
  .container{width:min(calc(100% - 48px),var(--hpt26-max))}
  .section{padding-top:clamp(64px,10vw,88px);padding-bottom:clamp(64px,10vw,88px)}
  .site-header{height:68px}
  .nav{height:68px;padding-inline:var(--mobile-gutter);gap:12px}
  .brand-logo{width:124px;height:auto;max-height:50px}
  .menu-btn{display:grid;place-items:center;width:46px;height:46px;margin-left:auto;border:1px solid rgba(55,52,53,.14);border-radius:4px;background:#fff;color:var(--hpt26-ink);font-size:23px;line-height:1;cursor:pointer}
  .navlinks{gap:0}
  .navlinks.is-open{display:flex!important;position:absolute!important;top:68px!important;left:var(--mobile-gutter)!important;right:var(--mobile-gutter)!important;width:auto!important;padding:10px!important;background:rgba(255,255,255,.985)!important;border:1px solid rgba(55,52,53,.12);border-top:0;box-shadow:0 18px 40px rgba(0,0,0,.12);z-index:1100}
  .navlinks.is-open a{min-height:48px;display:flex;align-items:center;padding:11px 12px!important;border-bottom:1px solid rgba(55,52,53,.08);font-size:14px}
  .navlinks.is-open a:last-child{border-bottom:0}
  .navlinks.is-open .nav-cta{justify-content:center;margin-top:8px;background:var(--hpt26-ink-deep);color:#fff;border-radius:3px}
  .hero-grid,.custom,.case,.kts,.partner-grid,.consult-grid{gap:28px}
  .cards{gap:14px}
  .hero p,.page-hero p,.prose p,.prose li{line-height:1.7}
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table{min-width:620px}
}

@media (max-width:620px){
  :root{--mobile-gutter:17px}
  .container{width:calc(100% - 34px);max-width:none}
  .nav{padding-inline:17px}
  .brand-logo{width:112px;max-height:46px}
  .menu-btn{width:44px;height:44px}
  .navlinks.is-open{left:17px!important;right:17px!important;top:68px!important}
  h1,h2,h3,h4,h5,h6{overflow-wrap:normal;word-break:normal;text-wrap:balance}
  p,li{overflow-wrap:anywhere}
  .hero-title-sub{white-space:normal}
  .page-hero{padding-top:104px;padding-bottom:54px}
  .page-hero h1{max-width:100%;font-size:clamp(42px,13vw,62px);line-height:.95}
  .section-head h2,.v28-space h3{line-height:.96}
  .btn,.nav-cta,.application-card,.menu-btn{min-height:44px}
  .btn{width:auto;min-width:0;padding-inline:18px}
  .actions{gap:10px}
  .cards,.steps,.benefits,.faq,.partner-cards,.partner-process,.consult-brief__cards{grid-template-columns:1fr!important}
  .cards{gap:14px}
  .card-body{padding:22px}
  .card-img{height:auto;aspect-ratio:4/3}
  .application-grid{display:grid!important;grid-template-columns:1fr!important;gap:10px!important}
  .application-card,.application-card-featured,.application-card:nth-child(2),.application-card:nth-child(3),.application-card:nth-child(4),.application-card:nth-child(5),.application-card:nth-child(6){grid-column:1!important;grid-row:auto!important;min-height:56vw!important;aspect-ratio:16/10}
  .application-card img{height:100%!important}
  .application-content{padding:18px}
  .application-content strong{font-size:clamp(24px,7vw,32px)}
  .projects-page .container,.projects-page .projects-gallery,.projects-page .project-grid{width:100%;max-width:none}
  .project-card,.project-video,.video-card{border-radius:2px}
  .project-lightbox{padding:12px}
  .project-lightbox img,.project-lightbox video{max-width:100%;max-height:82vh}
  .v26-price-hero .container,.v26-price-section .container{width:calc(100% - 34px)}
  .v26-price-hero{min-height:auto!important;padding-top:108px!important;padding-bottom:62px!important}
  .v26-price-hero h1{font-size:clamp(44px,13.5vw,66px)!important;line-height:.94!important;max-width:100%!important}
  .v26-price-hero p{font-size:15px!important;line-height:1.7!important}
  .v26-price-section{padding-block:70px!important}
  .v26-price-section .container{grid-template-columns:1fr!important}
  .v26-price-grid{grid-template-columns:1fr!important}
  .v26-price-card{min-width:0!important}
  .v26-price-card img{max-height:380px}
  .hero{min-height:0!important}
  .hero-copy{padding-top:58px!important}
  .hero-visual{min-height:0!important;padding-bottom:34px!important}
  .hero-video-frame{width:100%!important}
  .hero-video{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
  .hpt-footer-v26{padding-inline:17px}
  .hpt-footer-v26__top{width:100%;grid-template-columns:1fr!important;gap:34px;padding-block:58px 44px}
  .hpt-footer-v26__brand{max-width:100%}
  .hpt-footer-v26__intro{max-width:100%;font-size:13px;line-height:1.7}
  .hpt-footer-v26__column a,.hpt-footer-v26__contact>a{min-height:40px;display:flex;align-items:center}
  .hpt-footer-v26__bottom{width:100%;grid-template-columns:1fr!important;gap:10px;padding-block:18px 22px}
  .partner-hero__orb,.consult-orbit{pointer-events:none}
  .table-wrap{margin-inline:0;border-left:0;border-right:0}
  .application-modal-panel{width:calc(100% - 24px)!important;max-height:90vh!important;overflow:auto}
  .application-modal-media{min-height:0!important;aspect-ratio:4/3}
}

@media (max-width:380px){
  .container{width:calc(100% - 28px)}
  .nav{padding-inline:14px}
  .navlinks.is-open{left:14px!important;right:14px!important}
  .hpt-footer-v26{padding-inline:14px}
  .hero-title-main{font-size:clamp(42px,14vw,58px)}
  .section{padding-block:58px}
}


/* =========================================================
   HPT V46.3 — MOBILE NAV + FLOATING CONTACT ACTIONS
   Fixes the mobile menu interaction and replaces the old
   bottom navigation bar with compact phone/Zalo actions.
   ========================================================= */
@media (max-width: 900px){
  .site-header{position:sticky;top:0;z-index:5000}
  .nav{position:relative;z-index:5001}
  .menu-btn{
    position:relative;
    z-index:5003;
    touch-action:manipulation;
    pointer-events:auto;
    user-select:none;
    -webkit-user-select:none;
  }
  .navlinks.is-open{
    z-index:5002!important;
    display:flex!important;
    visibility:visible!important;
    opacity:1!important;
    pointer-events:auto!important;
  }
}

/* The old bottom mobile action bar is intentionally removed. */
@media (max-width: 900px){
  .mobile-bar{display:none!important}
  body{padding-bottom:0!important}
}

/* Floating phone + Zalo controls — mobile only. */
.hpt-mobile-float{
  display:none;
}
@media (max-width: 900px){
  .hpt-mobile-float{
    position:fixed;
    right:14px;
    bottom:18px;
    z-index:6000;
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:10px;
    pointer-events:none;
  }
  .hpt-mobile-float a{
    pointer-events:auto;
    position:relative;
    display:flex;
    align-items:center;
    justify-content:center;
    width:54px;
    height:54px;
    border-radius:50%;
    text-decoration:none;
    box-shadow:0 10px 26px rgba(0,0,0,.20);
    border:2px solid rgba(255,255,255,.9);
    overflow:visible;
    transform:translateZ(0);
    transition:transform .22s ease, box-shadow .22s ease;
  }
  .hpt-mobile-float a:active{transform:scale(.94)}
  .hpt-mobile-float .phone{
    background:#111;
    color:#fff;
  }
  .hpt-mobile-float .zalo{
    background:#0789f7;
    color:#fff;
  }
  .hpt-mobile-float svg{
    width:25px;
    height:25px;
    fill:currentColor;
  }
  .hpt-mobile-float .phone::after,
  .hpt-mobile-float .zalo::after{
    content:"";
    position:absolute;
    inset:-7px;
    border-radius:50%;
    border:1px solid currentColor;
    opacity:.20;
    animation:hpt-float-pulse 2.4s ease-out infinite;
  }
  .hpt-mobile-float .zalo::after{animation-delay:1.1s}
  .hpt-mobile-float .label{
    position:absolute;
    right:66px;
    white-space:nowrap;
    padding:7px 10px;
    border-radius:5px;
    background:#111;
    color:#fff;
    font:700 11px/1.1 var(--hpt25-heading-font,Inter,sans-serif);
    letter-spacing:.02em;
    box-shadow:0 7px 18px rgba(0,0,0,.16);
    opacity:0;
    transform:translateX(5px);
    transition:opacity .2s ease, transform .2s ease;
    pointer-events:none;
  }
  .hpt-mobile-float a:focus-visible .label,
  .hpt-mobile-float a:hover .label{
    opacity:1;
    transform:translateX(0);
  }
}
@keyframes hpt-float-pulse{
  0%{transform:scale(.82);opacity:.28}
  70%{transform:scale(1.16);opacity:0}
  100%{transform:scale(1.16);opacity:0}
}
@media (prefers-reduced-motion:reduce){
  .hpt-mobile-float .phone::after,
  .hpt-mobile-float .zalo::after{animation:none}
  .hpt-mobile-float a{transition:none}
}


/* =========================================================
   HPT V46.3 — MOBILE-FIRST REFINEMENT
   ========================================================= */

/* Mobile menu: explicit, high-priority interaction layer. */
@media (max-width:900px){
  .site-header{
    position:sticky!important;
    top:0!important;
    z-index:10000!important;
    isolation:isolate;
  }
  .site-header .nav{
    position:relative!important;
    z-index:10001!important;
  }
  .site-header .menu-btn{
    position:relative!important;
    z-index:10004!important;
    display:grid!important;
    place-items:center!important;
    width:46px!important;
    height:46px!important;
    margin-left:auto!important;
    cursor:pointer!important;
    pointer-events:auto!important;
    touch-action:manipulation!important;
    opacity:1!important;
    visibility:visible!important;
  }
  .site-header .navlinks.is-open{
    position:fixed!important;
    top:68px!important;
    left:17px!important;
    right:17px!important;
    width:auto!important;
    max-height:calc(100dvh - 84px)!important;
    overflow:auto!important;
    display:flex!important;
    flex-direction:column!important;
    gap:0!important;
    z-index:10003!important;
    background:rgba(255,255,255,.985)!important;
    border:1px solid rgba(55,52,53,.14)!important;
    border-top:0!important;
    box-shadow:0 20px 50px rgba(0,0,0,.16)!important;
    opacity:1!important;
    visibility:visible!important;
    pointer-events:auto!important;
  }
  .mobile-menu-open{overflow:hidden}
}

@media (max-width:620px){
  .site-header .menu-btn{width:46px!important;height:46px!important;font-size:22px!important}
  .site-header .navlinks.is-open{
    top:62px!important;
    left:12px!important;
    right:12px!important;
    max-height:calc(100dvh - 74px)!important;
  }

  /* Shorter, more editorial mobile reading rhythm. */
  .hero p,
  .page-hero p,
  .section-head p,
  .v28-lead,
  .v28-section-intro,
  .prose p,
  .prose li,
  .partner-intro,
  .consult-intro,
  .aftercare-head p{
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:4;
    overflow:hidden;
  }

  .hero p{ -webkit-line-clamp:4; }
  .section-head p,
  .v28-section-intro,
  .partner-intro,
  .consult-intro{ -webkit-line-clamp:3; }

  .application-content p,
  .project-card-copy p,
  .card-body p,
  .collection-cards .card-body p{
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    overflow:hidden;
  }

  /* Reduce vertical repetition without changing desktop content. */
  .section{padding-top:58px!important;padding-bottom:58px!important}
  .section-head{margin-bottom:24px!important}
  .page-hero{padding-top:82px!important;padding-bottom:46px!important}
  .hero-copy{padding-top:46px!important}
  .footer{padding-top:58px!important;padding-bottom:40px!important}

  /* Videos: stable, immediate mobile presentation. */
  video{
    display:block;
    max-width:100%;
  }
}


/* =========================================================
   HPT V46.3 — NATIVE MOBILE MENU HARD FIX
   The menu open/close state is controlled by a native
   checkbox + label. No JavaScript is required to open it,
   which avoids iOS Safari/Chrome click-event conflicts.
   ========================================================= */

/* Desktop: the native control is invisible. */
.menu-toggle{
  position:absolute!important;
  width:1px!important;
  height:1px!important;
  padding:0!important;
  margin:-1px!important;
  overflow:hidden!important;
  clip:rect(0 0 0 0)!important;
  white-space:nowrap!important;
  border:0!important;
}
.menu-btn{
  display:none;
}

@media (max-width:900px){
  .site-header{
    position:sticky!important;
    top:0!important;
    left:0!important;
    right:0!important;
    z-index:20000!important;
    isolation:isolate!important;
  }
  .site-header .nav{
    position:relative!important;
    z-index:20001!important;
    height:68px!important;
  }

  .menu-toggle{
    position:absolute!important;
    opacity:0!important;
    pointer-events:none!important;
  }

  .menu-btn{
    display:grid!important;
    place-items:center!important;
    position:relative!important;
    z-index:20005!important;
    width:46px!important;
    height:46px!important;
    flex:0 0 46px!important;
    margin-left:auto!important;
    border:1px solid rgba(55,52,53,.14)!important;
    border-radius:4px!important;
    background:#fff!important;
    color:#373435!important;
    font-size:23px!important;
    line-height:1!important;
    cursor:pointer!important;
    -webkit-tap-highlight-color:transparent!important;
    touch-action:manipulation!important;
    user-select:none!important;
  }

  .menu-btn span{
    display:block!important;
    line-height:1!important;
    pointer-events:none!important;
  }

  /* Closed by default. */
  .site-header .navlinks{
    display:none!important;
    visibility:hidden!important;
    opacity:0!important;
    pointer-events:none!important;
  }

  /* OPEN: native checkbox state drives the menu. */
  .site-header .menu-toggle:checked ~ .navlinks{
    display:flex!important;
    visibility:visible!important;
    opacity:1!important;
    pointer-events:auto!important;
    position:fixed!important;
    top:68px!important;
    left:17px!important;
    right:17px!important;
    width:auto!important;
    max-height:calc(100dvh - 84px)!important;
    overflow:auto!important;
    flex-direction:column!important;
    align-items:stretch!important;
    gap:0!important;
    padding:10px!important;
    background:rgba(255,255,255,.99)!important;
    border:1px solid rgba(55,52,53,.14)!important;
    border-top:0!important;
    box-shadow:0 20px 50px rgba(0,0,0,.16)!important;
    z-index:20004!important;
  }

  .site-header .menu-toggle:checked + .menu-btn{
    background:#373435!important;
    color:#fff!important;
  }

  .site-header .menu-toggle:checked + .menu-btn span{
    font-size:0!important;
  }
  .site-header .menu-toggle:checked + .menu-btn span::after{
    content:"×"!important;
    font-size:29px!important;
    line-height:1!important;
  }

  .site-header .navlinks a{
    min-height:52px!important;
    display:flex!important;
    align-items:center!important;
    padding:12px 14px!important;
    border-bottom:1px solid rgba(55,52,53,.08)!important;
    font-size:15px!important;
  }

  .site-header .navlinks a:last-child{
    border-bottom:0!important;
  }

  .site-header .navlinks .nav-cta{
    justify-content:center!important;
    margin-top:8px!important;
    background:#373435!important;
    color:#fff!important;
    border-radius:4px!important;
  }
}

@media (max-width:620px){
  .site-header .nav{height:68px!important}
  .menu-btn{
    width:46px!important;
    height:46px!important;
    flex-basis:46px!important;
  }
  .site-header .menu-toggle:checked ~ .navlinks{
    top:68px!important;
    left:12px!important;
    right:12px!important;
    max-height:calc(100dvh - 78px)!important;
  }
}

/* When menu is open, prevent page scrolling underneath it. */
@media (max-width:900px){
  body:has(.menu-toggle:checked){
    overflow:hidden;
  }
}


/* =========================================================
   HPT V46.3 — HOME HERO MOBILE AUTOPLAY + EXPERIENCE IMAGE
   ========================================================= */

/* The Experience image is part of the visible composition
   on every viewport. */
.hpt-experience-image{
  display:block!important;
  visibility:visible!important;
  opacity:1!important;
  width:100%!important;
  max-width:100%!important;
  height:auto!important;
  object-fit:cover!important;
}

/* Never let an inherited mobile rule hide the experience media. */
@media (max-width:900px){
  .hpt-experience-image{
    display:block!important;
    visibility:visible!important;
    opacity:1!important;
    min-height:220px!important;
    aspect-ratio:16 / 10;
    object-fit:cover!important;
  }
}

/* Home hero video must remain a real visible media element on mobile. */
@media (max-width:900px){
  .home-hero video,
  .hero video,
  .hero-media video,
  video.hero-video{
    display:block!important;
    visibility:visible!important;
    opacity:1!important;
  }
}

/* =========================================================
   HPT V46.3 — HOME HERO VIDEO MOBILE VISIBILITY FIX
   ========================================================= */

/* The Home hero video must remain a real visible element.
   Do not hide it on mobile; autoplay is muted + inline. */
.hpt-home-hero-video{
  display:block !important;
  visibility:visible !important;
  opacity:1 !important;
  width:100% !important;
  height:100% !important;
  max-width:none !important;
  min-width:0 !important;
  object-fit:cover !important;
  object-position:center center !important;
  position:relative !important;
  z-index:1 !important;
}

.hpt-home-hero-video[hidden]{
  display:block !important;
}

@media (max-width:900px){
  .hpt-home-hero-video{
    display:block !important;
    visibility:visible !important;
    opacity:1 !important;
    width:100% !important;
    height:100% !important;
    min-height:220px !important;
    object-fit:cover !important;
    object-position:center center !important;
  }

  /* Prevent mobile hero wrappers from collapsing when the video is present. */
  .hero,
  .home-hero,
  .hero-media,
  .hero-visual,
  .hero-video-wrap{
    overflow:hidden !important;
  }
}

/* =========================================================
   HPT V46.3 — DEEP MOBILE HERO VIDEO FIX
   ========================================================= */
#hpt-home-hero-video,
.hpt-home-hero-video{
  display:block!important;
  visibility:visible!important;
  opacity:1!important;
  width:100%!important;
  height:100%!important;
  max-width:100%!important;
  object-fit:cover!important;
  object-position:center center!important;
  background:#090909!important;
}
@media (max-width:900px){
  .hero-video-frame{
    display:block!important;
    width:100%!important;
    aspect-ratio:16 / 10!important;
    min-height:0!important;
  }
  #hpt-home-hero-video,
  .hpt-home-hero-video{
    display:block!important;
    width:100%!important;
    height:100%!important;
    min-height:210px!important;
    max-height:none!important;
    object-fit:cover!important;
    visibility:visible!important;
    opacity:1!important;
  }
}


/* =========================================================
   HPT V46.3 — MOBILE VIDEO CLICK-TO-PLAY
   ========================================================= */
.hpt-video-play{
  display:none;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-width:132px;
  min-height:48px;
  padding:12px 18px;
  border:1px solid rgba(255,255,255,.75);
  border-radius:999px;
  background:rgba(17,17,17,.86);
  color:#fff;
  font:inherit;
  font-weight:700;
  letter-spacing:.01em;
  box-shadow:0 10px 28px rgba(0,0,0,.22);
  cursor:pointer;
  position:absolute;
  z-index:20;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  -webkit-tap-highlight-color:transparent;
}
.hpt-video-play__icon{font-size:18px;line-height:1}
.hpt-video-play__label{font-size:14px;line-height:1}
.hpt-video-play.is-hidden{display:none!important}

@media (max-width:900px){
  /* The mobile experience is intentionally user-initiated. */
  .hero-video-frame,
  .project-card-media,
  .project-gallery-item.gallery-video{
    position:relative!important;
  }

  .hpt-video-play{display:flex}
  .hpt-video-play.is-hidden{display:none!important}

  .hpt-video-play--hero{
    min-width:154px;
    min-height:54px;
    padding:14px 22px;
    background:rgba(20,20,20,.9);
  }

  .hpt-video-play--hero .hpt-video-play__icon{font-size:20px}
  .hpt-video-play--hero .hpt-video-play__label{font-size:15px}

  /* Project index cards use a visual play control without nesting a real
     button inside the existing card button. */
  .project-card-play{
    display:flex;
    min-width:126px;
    min-height:46px;
    pointer-events:auto;
  }

  .project-card-media video{
    pointer-events:none;
  }

  .project-gallery-item.gallery-video video{
    display:block!important;
    width:100%!important;
    height:100%!important;
    object-fit:contain!important;
    background:#111!important;
  }

  .project-gallery-item.gallery-video .hpt-video-play{
    display:flex;
  }
}


/* =========================================================
   HPT V46.3 — LARGE ICON-ONLY MOBILE PLAY + MEDIA PROTECTION
   ========================================================= */
@media (max-width:900px){
  .hpt-video-play{
    width:96px!important;
    height:96px!important;
    min-width:96px!important;
    min-height:96px!important;
    padding:0!important;
    border:2px solid rgba(255,255,255,.92)!important;
    border-radius:50%!important;
    display:grid!important;
    place-items:center!important;
    gap:0!important;
    background:rgba(12,12,12,.82)!important;
    box-shadow:0 14px 34px rgba(0,0,0,.32), 0 0 0 8px rgba(255,255,255,.08)!important;
    backdrop-filter:none!important;
    -webkit-backdrop-filter:none!important;
  }
  .hpt-video-play--hero{
    width:112px!important;
    height:112px!important;
    min-width:112px!important;
    min-height:112px!important;
  }
  .hpt-video-play__icon{
    display:block!important;
    margin-left:6px!important;
    font-size:42px!important;
    line-height:1!important;
    color:#fff!important;
  }
  .hpt-video-play--hero .hpt-video-play__icon{
    font-size:50px!important;
  }
  .hpt-video-play__label{display:none!important}

  /* Let the video show its native first frame/thumbnail, while the overlay
     remains the only play affordance until the user taps it. */
  .project-card-media video,
  .project-gallery-item.gallery-video video,
  #hpt-home-hero-video{
    -webkit-user-drag:none!important;
    user-select:none!important;
    -webkit-user-select:none!important;
    -webkit-touch-callout:none!important;
  }
}

/* All media: discourage native drag/save gestures. */
img, video{
  -webkit-user-drag:none!important;
  user-select:none!important;
  -webkit-user-select:none!important;
  -webkit-touch-callout:none!important;
}


/* HPT V46.3 — AI discovery: visible technical knowledge section */
.knowledge-section{background:#f7f5ef}
.knowledge-lead{max-width:980px;margin:-8px 0 48px;padding:24px 28px;border-left:3px solid var(--accent);background:#fff;border:1px solid var(--line);border-left-width:3px}
.knowledge-actions{margin-top:-28px;margin-bottom:55px}
.knowledge-lead p{margin:0;color:#555;line-height:1.8;font-size:16px}
.knowledge-grid{margin-bottom:70px}
.knowledge-grid .value{min-height:260px}
.knowledge-two-col{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;padding:65px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.knowledge-two-col h3{font-size:clamp(30px,4vw,52px);line-height:1.02;letter-spacing:-.045em;margin:12px 0 0}
.knowledge-copy{max-width:720px;color:var(--muted);line-height:1.8}
.knowledge-copy p{margin:0 0 18px}
.knowledge-copy a{color:inherit;font-weight:800;text-decoration:underline;text-underline-offset:3px}
.knowledge-faq{padding-top:65px}
.knowledge-faq>.eyebrow{display:block;margin-bottom:18px}
@media (max-width:900px){
  .knowledge-two-col{grid-template-columns:1fr;gap:30px;padding:48px 0}
  .knowledge-lead{padding:20px}
}

/* V46.3.2: keep all primary navigation items available, including Hợp tác. */
.navlinks{overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-webkit-overflow-scrolling:touch;white-space:nowrap;}
.navlinks::-webkit-scrollbar{display:none;}
.navlinks>a{flex:0 0 auto;}


/* V46.3.5 — Homepage HPT Knowledge editorial section. Only this homepage section is changed. */
.knowledge-section{background:#f7f5ef;overflow:hidden}
.knowledge-home-head{display:grid;grid-template-columns:minmax(180px,.45fr) minmax(0,1.55fr);gap:60px;padding-bottom:58px;border-bottom:1px solid var(--line)}
.knowledge-home-kicker{display:flex;flex-direction:column;justify-content:space-between;min-height:170px}
.knowledge-home-index{font-size:11px;letter-spacing:.18em;color:#9a9a95;font-weight:700}
.knowledge-home-intro{max-width:920px}
.knowledge-home-intro h2{margin:0;font-size:clamp(48px,6vw,86px);line-height:.93;letter-spacing:-.06em;font-weight:800}
.knowledge-home-intro h2 em{font-style:normal;color:var(--accent)}
.knowledge-home-intro p{max-width:720px;margin:28px 0 0;font-size:17px;line-height:1.8;color:#64635e}
.knowledge-home-link{display:inline-flex;align-items:center;gap:14px;margin-top:28px;color:var(--ink);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:8px}
.knowledge-home-link span{font-size:17px;line-height:1;transition:transform .2s ease}
.knowledge-home-link:hover span{transform:translate(3px,-3px)}
.knowledge-home-feature{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(320px,.62fr);min-height:570px}
.knowledge-home-image{position:relative;min-height:570px;overflow:hidden;background:#ddd}
.knowledge-home-image img{width:100%;height:100%;object-fit:cover;object-position:center}
.knowledge-home-caption{position:absolute;left:24px;bottom:22px;padding:9px 12px;background:rgba(18,18,18,.86);color:#fff;font-size:9px;letter-spacing:.18em;font-weight:700}
.knowledge-home-side{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-left:0}
.knowledge-home-statement{padding:54px 46px 44px;flex:1}
.knowledge-home-num{display:block;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.16em;margin-bottom:22px}
.knowledge-home-statement h3{margin:0;max-width:430px;font-size:clamp(28px,3vw,43px);line-height:1.04;letter-spacing:-.045em}
.knowledge-home-statement p{margin:22px 0 0;max-width:440px;color:#6b6a65;line-height:1.8;font-size:15px}
.knowledge-home-topics{border-top:1px solid var(--line)}
.knowledge-home-topics a{display:grid;grid-template-columns:38px 1fr 20px;align-items:center;gap:10px;padding:18px 28px;text-decoration:none;border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}
.knowledge-home-topics a:last-child{border-bottom:0}
.knowledge-home-topics a:hover{background:#f7f5ef;padding-left:34px}
.knowledge-home-topics span{font-size:10px;color:var(--accent);font-weight:800;letter-spacing:.12em}
.knowledge-home-topics strong{font-size:13px;font-weight:700}
.knowledge-home-topics i{font-style:normal;font-size:17px;text-align:right}
.knowledge-home-bottom{display:grid;grid-template-columns:.7fr 1.5fr auto;align-items:center;gap:40px;padding:28px 0 0;color:#77746d}
.knowledge-home-bottom>span{font-size:10px;letter-spacing:.18em;color:var(--accent);font-weight:800}
.knowledge-home-bottom p{margin:0;max-width:650px;font-size:13px;line-height:1.7}
.knowledge-home-bottom a{font-size:12px;font-weight:800;text-decoration:none;white-space:nowrap}
.knowledge-home-bottom a span{margin-left:8px;color:var(--accent);font-size:16px}
@media (max-width:900px){
  .knowledge-home-head{grid-template-columns:1fr;gap:26px;padding-bottom:38px}
  .knowledge-home-kicker{min-height:0;flex-direction:row;align-items:center}
  .knowledge-home-intro h2{font-size:clamp(44px,12vw,68px)}
  .knowledge-home-intro p{font-size:15px;line-height:1.7}
  .knowledge-home-feature{grid-template-columns:1fr;min-height:0}
  .knowledge-home-image{min-height:58vw;max-height:520px}
  .knowledge-home-side{border-left:1px solid var(--line);border-top:0}
  .knowledge-home-statement{padding:38px 28px 32px}
  .knowledge-home-bottom{grid-template-columns:1fr;gap:10px;padding-top:24px}
  .knowledge-home-bottom a{margin-top:6px}
}
@media (max-width:560px){
  .knowledge-home-image{min-height:68vw}
  .knowledge-home-caption{left:12px;bottom:12px;font-size:8px;letter-spacing:.12em}
  .knowledge-home-topics a{padding:17px 18px}
  .knowledge-home-topics a:hover{padding-left:22px}
}