@font-face{font-family:'Fahkwang';font-weight:500;font-display:swap;src:url('/assets/fonts/Fahkwang-Medium.ttf') format('truetype')}
@font-face{font-family:'Fahkwang';font-weight:600;font-display:swap;src:url('/assets/fonts/Fahkwang-SemiBold.ttf') format('truetype')}
@font-face{font-family:'Montserrat';font-weight:400;font-display:swap;src:url('/assets/fonts/Montserrat-Regular.ttf') format('truetype')}
@font-face{font-family:'Montserrat';font-weight:500;font-display:swap;src:url('/assets/fonts/Montserrat-Medium.ttf') format('truetype')}
@font-face{font-family:'Montserrat';font-weight:600;font-display:swap;src:url('/assets/fonts/Montserrat-SemiBold.ttf') format('truetype')}
:root{
  --brand:#D2624C; --brand-dark:#B84F3B;
  --ink:#F3ECE5; --muted:#A99E96; --faint:#7C726B;
  --bg:#141110; --bg2:#1A1614; --bg3:#0E0B0A;
  --line:rgba(255,255,255,.12);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Montserrat',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:400;color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
b,strong{font-weight:600}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
section{padding:128px 0}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:0}
h2{font-size:clamp(36px,4.6vw,58px);margin-bottom:22px}
.eyebrow{font-size:11.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--brand);font-weight:500;margin-bottom:22px}
.lead{color:var(--muted);max-width:560px;font-size:16.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:17px 36px;font-weight:500;font-size:12px;letter-spacing:.18em;text-transform:uppercase;border:1px solid var(--brand);transition:.25s;cursor:pointer;line-height:1}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:#141110;border-color:#fff}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
header.solid{background:rgba(20,17,16,.9);backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.logo{font-family:'Fahkwang',serif;font-weight:600;font-size:20px;letter-spacing:.14em;color:#fff;line-height:1.1}
.logo small{display:block;font-family:var(--sans);font-weight:400;font-size:8.5px;letter-spacing:.34em;color:rgba(255,255,255,.65);margin-top:5px}
.menu{display:flex;gap:38px;font-size:11.5px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.85)}
.menu a:hover{color:var(--brand)}
.nav .btn{padding:13px 24px;font-size:11px;background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.nav .btn:hover{background:var(--brand);border-color:var(--brand)}

/* ảnh bìa tháng */
.promo{display:block;margin-top:78px;background:#6e4538;line-height:0}
.promo img{width:100%;height:auto}

/* hero */
.hero{position:relative;padding:0;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;justify-content:center;color:#fff;text-align:center;overflow:hidden;
  background:url('/assets/hero.jpg') center/cover,linear-gradient(160deg,#4a3128,#141110)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,.1) 38%,rgba(0,0,0,.72) 100%)}
.hero .wrap{position:relative;padding-top:140px;padding-bottom:96px}
.hero .eyebrow{color:rgba(255,255,255,.8)}
.hero h1{font-size:clamp(44px,7vw,92px);font-weight:400;line-height:1.05;margin-bottom:28px}
.hero h1 em{font-style:italic;font-weight:400}
.hero p.sub{max-width:520px;margin:0 auto 40px;font-size:16px;color:rgba(255,255,255,.86)}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.rating{margin-top:40px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.75)}
.rating .stars{color:#E8B65A;letter-spacing:3px;margin-right:10px}
.pause{position:absolute;left:32px;bottom:32px;z-index:2;width:40px;height:40px;border:1px solid rgba(255,255,255,.5);background:transparent;color:#fff;cursor:pointer;font-size:11px;letter-spacing:2px}
.pause:hover{background:rgba(255,255,255,.15)}

/* trust */
.trust{padding:0;background:var(--bg2);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.trust div{padding:44px 20px;text-align:center;border-right:1px solid var(--line)}
.trust div:last-child{border-right:0}
.trust b{display:block;font-family:var(--serif);font-weight:500;font-size:46px;line-height:1;color:#fff;margin-bottom:10px}
.trust span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* about */
.about{display:grid;grid-template-columns:5fr 6fr;gap:96px;align-items:center}
.photo{aspect-ratio:1077/1501;background:linear-gradient(160deg,#3A2D27,#221A17);overflow:hidden;position:relative}
.photo img{width:100%;height:100%;object-fit:cover}
.photo::after{content:attr(data-label);position:absolute;inset:auto 0 0 0;padding:14px;text-align:center;font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.35)}
.photo.has-img::after{display:none}
.about p.lead{margin-bottom:34px}
.creds{list-style:none;margin:0 0 44px;border-top:1px solid var(--line)}
.creds li{padding:20px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:15px}
.creds b{display:block;color:var(--ink);font-weight:500;margin-bottom:2px}

/* services */
.services{background:var(--bg2)}
.sec-head{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:end;margin-bottom:64px}
.sec-head h2{margin:0}
.sec-head .lead{margin-bottom:6px}
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:70px 1.1fr 1.5fr 130px;gap:32px;align-items:center;padding:38px 0;border-bottom:1px solid var(--line);transition:.25s}
.row:hover{padding-left:18px;background:rgba(255,255,255,.03)}
.row .idx{font-family:var(--serif);font-size:22px;color:var(--faint)}
.row h3{font-size:34px;font-weight:500}
.row p{color:var(--muted);font-size:15px;line-height:1.75}
.row .go{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--brand);text-align:right;font-weight:500}
.row:hover h3{color:#fff}

/* process */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:64px;margin-top:72px}
.step{border-top:1px solid var(--line);padding-top:28px}
.step .n{font-family:var(--serif);font-size:64px;line-height:1;color:var(--brand);opacity:.9;margin-bottom:20px}
.step h3{font-size:30px;margin-bottom:12px}
.step p{color:var(--muted);font-size:15px}

/* tech */
.tech{background:var(--bg3);text-align:center}
.tech .lead{margin:0 auto}
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:44px}
.chip{padding:11px 22px;border:1px solid var(--line);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.tech p.note{margin:36px auto 0;font-size:14px;color:var(--faint);max-width:560px}

/* results */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.shot{aspect-ratio:1/1;background:linear-gradient(160deg,#3A2D27,#221A17);overflow:hidden;position:relative}
.shot img{width:100%;height:100%;object-fit:cover}
.shot span{position:absolute;left:0;bottom:0;background:rgba(20,17,16,.78);color:#fff;padding:9px 16px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase}
.disclaimer{margin-top:24px;font-size:12.5px;color:var(--faint)}

/* faq */
.faq{background:var(--bg2)}
.faq-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:96px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:26px 0;font-family:var(--serif);font-size:24px;font-weight:500;line-height:1.3;display:flex;justify-content:space-between;gap:24px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--sans);font-weight:400;color:var(--brand);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{padding:0 40px 28px 0;color:var(--muted);font-size:15px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1.25fr;gap:80px;align-items:stretch}
.info{list-style:none;margin:34px 0 40px;border-top:1px solid var(--line)}
.info li{padding:18px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:15px}
.info b{display:block;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);font-weight:500;margin-bottom:3px}
.info a:hover{color:#fff}
.map{border:1px solid var(--line);min-height:420px;overflow:hidden;background:#fff}
.map iframe{width:100%;height:100%;min-height:420px;border:0}

/* cta */
.cta{background:var(--bg3);border-top:1px solid var(--line);text-align:center;padding:120px 0}
.cta h2{max-width:760px;margin:0 auto 18px}
.cta p{color:var(--muted);margin-bottom:40px}

footer{padding:36px 0;text-align:center;font-size:12px;letter-spacing:.06em;color:var(--faint);border-top:1px solid var(--line);background:var(--bg3)}

/* floating */
.float{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;gap:10px}
.float a{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:11px;box-shadow:0 6px 18px rgba(0,0,0,.35)}
.float .zalo{background:#0068FF}
.float .call{background:#2a2321;border:1px solid var(--line)}

@media(max-width:960px){
  section{padding:80px 0}
  .wrap{padding:0 22px}
  .menu{display:none}
  .nav{height:68px}
  .promo{margin-top:68px}
  .about,.contact,.faq-grid,.sec-head{grid-template-columns:1fr;gap:40px}
  .sec-head{margin-bottom:40px}
  .trust .wrap{grid-template-columns:repeat(2,1fr)}
  .trust div:nth-child(2){border-right:0}
  .trust div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .trust div{padding:32px 12px}
  .trust b{font-size:38px}
  .row{grid-template-columns:44px 1fr;gap:6px 14px;padding:28px 0}
  .row h3{font-size:28px}
  .row p{grid-column:2}
  .row .go{grid-column:2;text-align:left;margin-top:6px}
  .row:hover{padding-left:0}
  .steps,.gallery{grid-template-columns:1fr;gap:40px}
  .gallery{gap:16px}
  .hero .wrap{padding-bottom:84px}
  .pause{left:16px;bottom:16px}
  .cta{padding:84px 0}
  summary{font-size:21px}
}

/* ===== trang dịch vụ ===== */
.page-hero{padding:170px 0 96px;background:radial-gradient(120% 100% at 85% 0%,#3d2b23 0%,#141110 62%);border-bottom:1px solid var(--line)}
.crumb{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:28px}
.crumb a:hover{color:var(--brand)}
.crumb span{margin:0 10px;color:var(--faint)}
.page-hero h1{font-size:clamp(42px,6.4vw,80px);font-weight:400;line-height:1.06;margin-bottom:24px;max-width:900px}
.page-hero p.sub{color:var(--muted);max-width:600px;font-size:17px;margin-bottom:40px}
.types{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:56px}
.type{border:1px solid var(--line);padding:42px 38px;background:rgba(255,255,255,.03)}
.type .tag{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);margin-bottom:14px;font-weight:500}
.type h3{font-size:32px;margin-bottom:8px}
.type h4{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);font-weight:500;margin:24px 0 8px}
.type ul{list-style:none;color:var(--muted);font-size:15px}
.type li{padding:3px 0 3px 20px;position:relative}
.type li::before{content:"";position:absolute;left:0;top:15px;width:9px;height:1px;background:var(--brand)}
.type .media{position:relative;margin:-42px -38px 30px;aspect-ratio:2/1;overflow:hidden;background:linear-gradient(160deg,#3A2D27,#221A17)}
.type .media img{width:100%;height:100%;object-fit:cover;display:block}
.type .media .ba{position:absolute;bottom:0;background:rgba(20,17,16,.72);color:#fff;font-size:10px;letter-spacing:.18em;text-transform:uppercase;padding:7px 14px}
.type .media .ba.l{left:0}
.type .media .ba.r{left:50%}
@media(max-width:960px){.type .media{margin:-30px -24px 24px}}
.methods{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;border-top:1px solid var(--line)}
.method{padding:40px 36px 40px 0}
.method+.method{padding-left:36px;border-left:1px solid var(--line)}
.method h3{font-size:30px;margin-bottom:18px}
.method ul{list-style:none;color:var(--muted);font-size:15px}
.method li{padding:6px 0 6px 20px;position:relative}
.method li::before{content:"";position:absolute;left:0;top:19px;width:9px;height:1px;background:var(--brand)}
.method li b{color:var(--ink);font-weight:500}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.plan{border:1px solid var(--line);padding:40px 34px;background:rgba(255,255,255,.03)}
.plan .big{font-family:var(--serif);font-size:72px;line-height:1;color:#fff}
.plan .big small{font-family:var(--sans);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-left:10px}
.plan h3{font-size:26px;margin:22px 0 12px}
.plan p{color:var(--muted);font-size:15px}
.plan .stable{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.note-line{margin-top:28px;font-size:13px;color:var(--faint)}
.fb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:56px}
.fb-grid a.shot{display:block;cursor:zoom-in}
.fb-grid .shot img{transition:transform .4s}
.fb-grid a.shot:hover img{transform:scale(1.03)}
@media(max-width:960px){.fb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.fb-grid{grid-template-columns:1fr}}
.fb-grid .shot span{font-size:10px}
.page-hero.has-img{background:linear-gradient(90deg,#141110 0%,rgba(20,17,16,.93) 36%,rgba(20,17,16,.5) 100%),var(--hero-img) right center/cover,#141110}
.duo{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:64px}
.duo .shot{aspect-ratio:4/3}
@media(max-width:960px){
  .page-hero.has-img{background:linear-gradient(180deg,rgba(20,17,16,.9),rgba(20,17,16,.96)),var(--hero-img) center/cover,#141110}
  .duo{grid-template-columns:1fr}
}
.cta-band{background:var(--bg3);border-top:1px solid var(--line);text-align:center;padding:110px 0}
.cta-band h2{max-width:760px;margin:0 auto 18px}
.cta-band p{color:var(--muted);margin-bottom:38px}
.other{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
@media(max-width:960px){
  .page-hero{padding:120px 0 64px}
  .types,.plans{grid-template-columns:1fr}
  .type{padding:30px 24px}
  .methods{grid-template-columns:1fr}
  .method,.method+.method{padding:30px 0;border-left:0;border-bottom:1px solid var(--line)}
  .cta-band{padding:80px 0}
}

/* ảnh tròn minh hoạ ở đầu trang dịch vụ */
.page-hero .split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.circles{position:relative;height:440px}
.circles .c{position:absolute;display:block;border-radius:50%;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.45)}
.circles .c::after{content:"";position:absolute;inset:0;border-radius:50%;background:linear-gradient(160deg,rgba(210,98,76,.08),rgba(20,17,16,.2))}
.circles img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.88) sepia(.08) contrast(1.05) brightness(.96)}
.circles .c1{width:280px;height:280px;left:2%;top:0}
.circles .c2{width:230px;height:230px;right:0;top:130px}
.circles .c3{width:200px;height:200px;left:20%;bottom:0}
@media(max-width:960px){
  .page-hero .split{grid-template-columns:1fr;gap:40px}
  .circles{height:auto;display:flex;gap:12px;justify-content:space-between}
  .circles .c{position:relative;width:31%;height:auto;aspect-ratio:1/1;left:auto;right:auto;top:auto;bottom:auto}
}

/* thẻ kỹ thuật có ảnh */
.mcards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:56px}
.mcard{border:1px solid var(--line);background:rgba(255,255,255,.03);display:flex;flex-direction:column}
.mcard .pic{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(160deg,#3A2D27,#221A17)}
.mcard .pic img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.9) contrast(1.03)}
.mcard .body{padding:30px 34px 36px}
.mcard h3{font-size:30px;margin-bottom:14px}
.mcard ul{list-style:none;color:var(--muted);font-size:15px}
.mcard li{padding:6px 0 6px 20px;position:relative}
.mcard li::before{content:"";position:absolute;left:0;top:19px;width:9px;height:1px;background:var(--brand)}
.mcard li b{color:var(--ink);font-weight:500}
@media(max-width:960px){.mcards{grid-template-columns:1fr}.mcard .body{padding:26px 22px 30px}}

/* khối cam kết dạng chữ */
.assure{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:56px;border-top:1px solid var(--line)}
.assure .a-item{padding:36px 40px 8px 0}
.assure .a-item+.a-item{padding-left:40px;border-left:1px solid var(--line)}
.assure h3{font-size:28px;margin-bottom:10px}
.assure p{color:var(--muted);font-size:15px;max-width:460px}
@media(max-width:960px){.assure{grid-template-columns:1fr}.assure .a-item,.assure .a-item+.a-item{padding:28px 0 4px;border-left:0}.assure .a-item+.a-item{border-top:1px solid var(--line);margin-top:20px}}

/* chân trang thông tin liên hệ */
footer.site-footer{padding:84px 0 0;background:var(--bg3);border-top:1px solid var(--line);text-align:left;font-size:15px;letter-spacing:0;color:var(--muted)}
.site-footer .f-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;padding-bottom:64px}
.site-footer .f-logo{font-family:'Fahkwang',serif;font-weight:600;font-size:24px;letter-spacing:.14em;color:#fff;line-height:1.1}
.site-footer .f-logo small{display:block;font-family:var(--sans);font-weight:400;font-size:9px;letter-spacing:.34em;color:rgba(255,255,255,.6);margin-top:7px}
.site-footer .f-tag{margin-top:22px;max-width:340px;color:var(--faint);font-size:14px}
.site-footer ul{list-style:none;border-top:1px solid var(--line)}
.site-footer li{display:flex;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.site-footer .ic{flex:0 0 auto;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}
.site-footer .ic svg{width:18px;height:18px;fill:currentColor}
.site-footer .ic.zalo{font-family:var(--sans);font-weight:600;font-size:10px;letter-spacing:.02em}
.site-footer .lbl{display:block;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);font-weight:500;margin-bottom:2px}
.site-footer .val{color:var(--ink);font-size:16px}
.site-footer a.val:hover{color:var(--brand)}
.site-footer .f-bottom{border-top:1px solid var(--line);padding:22px 0;font-size:12px;letter-spacing:.06em;color:var(--faint)}
@media(max-width:960px){
  footer.site-footer{padding-top:60px}
  .site-footer .f-grid{grid-template-columns:1fr;gap:36px;padding-bottom:44px}
}

/* menu thả xuống Dịch vụ */
.menu{align-items:center}
.menu .dd{position:relative}
.dd-btn{background:none;border:0;padding:0;font:inherit;letter-spacing:inherit;text-transform:inherit;color:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.dd-btn::after{content:"";width:5px;height:5px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.dd:hover .dd-btn,.dd.open .dd-btn{color:var(--brand)}
.dd.open .dd-btn::after{transform:rotate(225deg)}
.dd-panel{position:absolute;top:100%;left:-24px;margin-top:22px;width:340px;padding:22px 24px 14px;background:rgba(20,17,16,.97);border:1px solid var(--line);box-shadow:0 24px 60px rgba(0,0,0,.5);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s,transform .2s,visibility .2s;text-transform:none;letter-spacing:.02em}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-24px;height:24px}
.dd:hover .dd-panel,.dd.open .dd-panel,.dd:focus-within .dd-panel{opacity:1;visibility:visible;transform:none}
.dd-h{font-family:'Cormorant Garamond',serif;font-size:20px;color:#fff;margin-bottom:10px;letter-spacing:0}
.dd-panel a{display:flex;gap:14px;align-items:baseline;padding:11px 0;font-size:14px;font-weight:400;color:rgba(255,255,255,.85);border-top:1px solid var(--line)}
.dd-panel a span{font-size:10.5px;letter-spacing:.16em;color:var(--brand);min-width:18px}
.dd-panel a:hover{color:var(--brand)}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.4);width:42px;height:38px;padding:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger i{display:block;width:18px;height:1px;background:#fff}
@media(max-width:960px){
  .burger{display:flex}
  .nav{gap:12px}
  .nav .logo{margin-right:auto}
  .menu.open{display:flex;position:fixed;top:68px;left:0;right:0;height:calc(100vh - 68px);height:calc(100dvh - 68px);flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 40px;background:#141110;overflow:auto;font-size:13px}
  .menu.open>a,.menu.open .dd-btn{padding:16px 0;border-bottom:1px solid var(--line);width:100%;justify-content:space-between}
  .menu.open .dd-panel{position:static;opacity:1;visibility:visible;transform:none;width:auto;margin:0;padding:0 0 6px 4px;border:0;box-shadow:none;background:none;display:none}
  .menu.open .dd.open .dd-panel{display:block}
  .menu.open .dd-panel::before{display:none}
  .dd-h{display:none}
}
.menu a,.dd-btn{white-space:nowrap}
@media(max-width:1200px){.menu{gap:24px;font-size:11px;letter-spacing:.12em}.nav .logo{font-size:18px}}
@media(max-width:1060px) and (min-width:961px){.menu{gap:18px;letter-spacing:.08em}.nav .btn{padding:12px 16px}}

/* ===== MOBILE FIX (hero + header + nút nổi) ===== */
@media(max-width:960px){
  .hero{min-height:0;align-items:center}
  .hero .wrap{padding-top:64px;padding-bottom:96px}
  .hero h1{font-size:clamp(36px,10.5vw,52px);margin-bottom:20px}
  .hero p.sub{font-size:15px;margin-bottom:28px;padding-right:0}
  .hero .actions{flex-direction:column;align-items:stretch;gap:12px;max-width:320px;margin:0 auto}
  .hero .actions .btn{text-align:center}
  .float{right:14px;bottom:14px;flex-direction:row;gap:8px}
  .float a{width:42px;height:42px}
  .pause{display:none}
  .nav{gap:10px}
  .nav .logo{font-size:16px;letter-spacing:.14em;min-width:0}
  .nav .logo small{font-size:8px;letter-spacing:.18em;white-space:nowrap}
  .nav .btn{padding:10px 12px;font-size:10px;letter-spacing:.1em;white-space:nowrap}
}
@media(max-width:380px){.nav .btn{display:none}}

/* ===== Banner hoà vào hero ===== */
.promo{position:relative}
.promo::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:24%;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,17,16,0) 0%,rgba(20,17,16,.6) 60%,#141110 100%)}
.hero-shade{background:linear-gradient(180deg,#141110 0%,rgba(20,17,16,.55) 14%,rgba(0,0,0,.12) 40%,rgba(0,0,0,.72) 100%)}
.promo + .hero{margin-top:-1px}