:root{--bg:#0b0b0d;--bg2:#101013;--c1:#141418;--c2:#1a1a1f;--ln:rgba(255,255,255,.08);--tx:#e9e6df;--mu:#a19d94;--gd:#c8963e;--hd:'Playfair Display',Georgia,serif}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;font-weight:300;color:var(--tx);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:var(--gd)}b,strong{font-weight:600;color:#fff}
.wrap{max-width:1180px;margin:auto;padding:0 22px}
section{padding:110px 0;border-top:1px solid var(--ln)}section.alt{background:var(--bg2)}
h1,h2,h3{font-family:var(--hd);font-weight:600;color:#fff;line-height:1.2}
h1{font-size:clamp(2.4rem,6.5vw,5rem);letter-spacing:.01em}h2{font-size:clamp(1.8rem,3.6vw,2.9rem);margin-bottom:18px}h3{font-size:1.25rem;margin-bottom:10px}
.c{text-align:center}.tag{color:var(--gd);font-weight:500;text-transform:uppercase;letter-spacing:.28em;font-size:.72rem;margin-bottom:14px}
.btn{display:inline-block;background:var(--gd);color:#0b0b0d!important;padding:14px 30px;border-radius:2px;text-decoration:none;font-weight:600;font-size:.88rem;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--gd);cursor:pointer;transition:.25s}
.btn:hover{background:transparent;color:var(--gd)!important}.btn.ghost,.btn.ghost2{background:transparent;color:#fff!important;border-color:rgba(255,255,255,.5)}.btn.ghost:hover,.btn.ghost2:hover{border-color:var(--gd);color:var(--gd)!important}
.btn.sm{padding:9px 18px;font-size:.75rem}.zalo{background:#0068ff;border-color:#0068ff;color:#fff!important}.zalo:hover{background:transparent;color:#5b9bff!important}
/* nav */
.nav{position:fixed;top:0;width:100%;z-index:50;background:transparent;transition:.3s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(11,11,13,.94);backdrop-filter:blur(10px);border-color:var(--ln)}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:76px}
.logo{color:#fff;text-decoration:none;font-family:var(--hd);font-weight:700;letter-spacing:.14em;font-size:1.15rem;white-space:nowrap}.logo span{color:var(--gd);margin-left:6px}
nav{display:flex;align-items:center}nav a{color:#d8d4cc;text-decoration:none;margin-left:24px;font-size:.82rem;letter-spacing:.06em;padding:6px 0;border-bottom:1px solid transparent;transition:.2s}
nav a:hover{color:#fff}nav a.active{color:#fff;border-bottom-color:var(--gd)}nav a.btn{margin-left:28px;padding:9px 18px;border-bottom:1px solid var(--gd)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}
/* hero */
.hero{min-height:100vh;padding:130px 0 90px;display:flex;align-items:center;border:0;background:linear-gradient(180deg,rgba(11,11,13,.35) 0%,rgba(11,11,13,.55) 55%,#0b0b0d 100%),linear-gradient(90deg,rgba(11,11,13,.9),rgba(11,11,13,.2)),url(assets/st-p450-led.jpg) center/cover}
.hero.sub{min-height:88vh}.hero.studio{background-image:linear-gradient(180deg,rgba(11,11,13,.35),rgba(11,11,13,.55) 55%,#0b0b0d),linear-gradient(90deg,rgba(11,11,13,.9),rgba(11,11,13,.2)),url(assets/st-p450-hoi-truong.jpg)}
.hero.tvc{background-image:linear-gradient(180deg,rgba(11,11,13,.35),rgba(11,11,13,.55) 55%,#0b0b0d),linear-gradient(90deg,rgba(11,11,13,.9),rgba(11,11,13,.2)),url(assets/tvc-led-rung.jpg)}
.hero.ecom{background-image:linear-gradient(180deg,rgba(11,11,13,.35),rgba(11,11,13,.55) 55%,#0b0b0d),linear-gradient(90deg,rgba(11,11,13,.9),rgba(11,11,13,.2)),url(assets/ec-megalive.jpg)}
.hero.live{background-image:linear-gradient(180deg,rgba(11,11,13,.35),rgba(11,11,13,.55) 55%,#0b0b0d),linear-gradient(90deg,rgba(11,11,13,.9),rgba(11,11,13,.2)),url(assets/lv-vpbank-show.jpg)}
.hero.hub{background-image:linear-gradient(180deg,rgba(11,11,13,.35),rgba(11,11,13,.55) 55%,#0b0b0d),linear-gradient(90deg,rgba(11,11,13,.9),rgba(11,11,13,.2)),url(assets/hb-set-2.jpg)}
.hero h1{max-width:900px;text-shadow:0 2px 30px rgba(0,0,0,.5)}.hero.hub h1,.hero.live h1{font-size:clamp(2.1rem,5vw,4rem)}
.lead{font-size:1.15rem;max-width:620px;margin:20px 0 30px;color:#d6d2c9}.cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
/* blocks */
.card,.room,.pf,.steps li,.stats div,.tbl,form,.sol,.chip,.fold,.facts li{background:var(--c1);border:1px solid var(--ln);color:var(--tx)}
.card{padding:32px;border-radius:4px;transition:transform .3s,border-color .3s}.card:hover,.room:hover,.pf:hover{transform:translateY(-4px);border-color:rgba(200,150,62,.45)}
.card i{font-style:normal;font-size:1.6rem;display:block;margin-bottom:14px;opacity:.9}.card p,.card li{color:var(--mu)}
.grid,.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:44px}
.price .card{text-align:center}.price .hl{border-color:var(--gd)}.p{font-family:var(--hd);font-size:1.7rem;color:var(--gd);margin:10px 0}.price .btn{margin-top:18px}
s,.old{color:#6f6b63}.note{color:#7d796f;font-size:.85rem;margin-top:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.two img,.gallery img{width:100%;border-radius:4px;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--ln)}
.facts{list-style:none;margin-top:18px}.facts li{background:transparent;border:0;border-bottom:1px solid var(--ln);padding:12px 0;color:var(--mu)}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}.steps.s5{grid-template-columns:repeat(5,1fr)}
.steps li{counter-increment:s;padding:28px;border-radius:4px}.steps li:before{content:"0" counter(s);display:block;font-family:var(--hd);font-size:2.2rem;color:var(--gd);margin-bottom:10px}
.steps b,.steps span{display:block}.steps span{color:var(--mu);font-size:.92rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px;margin-top:44px;text-align:center}.stats.s3{grid-template-columns:repeat(3,1fr)}
.stats div{padding:34px 16px;border-radius:4px}.stats b{display:block;font-family:var(--hd);font-size:clamp(2.2rem,4vw,3.2rem);color:var(--gd);line-height:1.1;margin-bottom:8px}.stats span{color:var(--mu);font-size:.9rem;display:block}.stats a{display:block;font-size:.75rem;margin-top:8px}
.sol{text-align:center;padding:22px;border-radius:4px;margin-top:28px;border-color:rgba(200,150,62,.35)}
.ok{color:#d9b46a;font-weight:500}
.rooms,.pfs,.svc{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:44px}
.room,.pf{border-radius:4px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}.room img{width:100%;aspect-ratio:16/9;object-fit:cover}.room .in,.pf .in{padding:26px}.room ul,.lst{margin:10px 0 0 18px;color:var(--mu)}.lst li{margin:5px 0}
.pf .th{aspect-ratio:16/9;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-bottom:1px solid var(--ln)}
.pf .th b{font-family:var(--hd);font-size:1.9rem;letter-spacing:.06em}.pf .th small{color:#cfc9bd;text-transform:uppercase;letter-spacing:.25em;font-size:.7rem;margin-top:6px}
.g1{background:radial-gradient(circle at 30% 20%,#5a1a2a,#121014)}.g2{background:radial-gradient(circle at 30% 20%,#5c3a12,#121014)}.g3{background:radial-gradient(circle at 30% 20%,#3a4a22,#121014)}.g4{background:radial-gradient(circle at 30% 20%,#4a1214,#0f0d0e)}.g5{background:radial-gradient(circle at 30% 20%,#2c2f5a,#111117)}
.pf .q{font-family:var(--hd);font-style:italic;color:#fff;font-size:1.05rem}.meta{list-style:none;font-size:.88rem;color:var(--mu);margin:8px 0 16px}.pf .fbtns{margin-top:auto;display:flex;gap:10px;flex-wrap:wrap}
.tbl{width:100%;border-collapse:collapse;border-radius:4px;overflow:hidden;margin-top:18px}.tbl th,.tbl td{padding:12px 16px;border-bottom:1px solid var(--ln);text-align:left}.tbl td:last-child,.tbl th:last-child{text-align:right;white-space:nowrap;color:#fff}
.tbl th{background:var(--c2);color:var(--gd);font-weight:500;letter-spacing:.1em;text-transform:uppercase;font-size:.75rem}.tbl tr.g td{background:var(--c2);color:var(--gd);font-weight:500}
.fold{border-radius:4px;margin-top:28px;padding:0 22px}.fold summary{cursor:pointer;padding:18px 0;font-weight:500;color:#fff;list-style:none;display:flex;justify-content:space-between}.fold summary:after{content:"+";color:var(--gd);font-size:1.3rem}.fold[open] summary:after{content:"–"}.fold[open]{padding-bottom:22px}.fold .svc{margin-top:10px}.fold .card{background:var(--c2)}
.chips,.chipg{margin-top:30px}.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.chip{display:inline-block;border-radius:30px;padding:7px 16px;margin:4px;font-size:.85rem;color:#ddd}
.chipg{display:grid;gap:22px}.chipg>div{border-bottom:1px solid var(--ln);padding-bottom:16px}.chipg h3{display:inline-block;margin-right:12px;color:var(--gd)}
.tl{list-style:none}.tl li{padding:10px 0;border-bottom:1px solid var(--ln);color:var(--mu)}.tl b{display:block;color:var(--gd);font-family:var(--hd)}
form{display:grid;gap:14px;padding:32px;border-radius:4px}input,select,textarea{padding:14px;background:var(--c2);color:#fff;border:1px solid var(--ln);border-radius:2px;font:inherit}input::placeholder,textarea::placeholder{color:#7d796f}
.fbtns{display:flex;gap:10px;flex-wrap:wrap}.fbtns .btn{flex:1;text-align:center}
footer{background:#070708;border-top:1px solid var(--ln);padding:70px 0 30px;color:var(--mu);font-size:.9rem}.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}footer h4{color:#fff;font-weight:500;letter-spacing:.2em;text-transform:uppercase;font-size:.72rem;margin-bottom:14px}footer a{color:#d8d4cc;text-decoration:none}footer a:hover{color:var(--gd)}footer .logo{display:inline-block;margin-bottom:10px}.copy{border-top:1px solid var(--ln);margin-top:44px;padding-top:22px;font-size:.8rem;text-align:center}
.fab{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:10px;z-index:60}.fab a{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-weight:600;font-size:.72rem;box-shadow:0 6px 20px rgba(0,0,0,.5);transition:.2s}.fab a:hover{transform:scale(1.08)}.fz{background:#0068ff}.ft{background:#141418;border:1px solid var(--gd);font-size:1.2rem!important}
.rv{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}.rv.in{opacity:1;transform:none}
@media(max-width:1100px){nav a{margin-left:16px;font-size:.78rem}}
@media(max-width:960px){.burger{display:block}nav{display:none;position:absolute;top:76px;left:0;right:0;background:#0b0b0d;flex-direction:column;align-items:flex-start;padding:14px 22px 22px;border-bottom:1px solid var(--ln)}.open nav{display:flex}.open .nav{background:#0b0b0d}nav a{margin:8px 0!important}
.two{grid-template-columns:1fr;gap:34px}.steps,.steps.s5{grid-template-columns:1fr 1fr}section{padding:80px 0}.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps,.steps.s5,.stats.s3{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.rooms,.pfs,.svc{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr}.tbl th,.tbl td{padding:10px;font-size:.88rem}.hero{min-height:92vh}.card{padding:26px}}

.hero{background-size:cover;background-position:center}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:40px}
.gal figure{margin:0;position:relative;overflow:hidden;border-radius:4px;border:1px solid var(--ln);background:var(--c1)}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .6s}.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-size:.82rem;color:#f2ede4;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.gal.big figure:first-child{grid-column:span 2;grid-row:span 2}.gal.big figure:first-child img{height:100%;aspect-ratio:auto}
.fold .gal{margin:18px}
.pf .th.ph{background-size:cover;background-position:center;position:relative;justify-content:flex-end;padding-bottom:16px}
.pf .th.ph:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,11,13,.05),rgba(11,11,13,.85))}.pf .th.ph>*{position:relative}
.two img{width:100%;border-radius:4px;object-fit:cover}
@media(max-width:560px){.gal{grid-template-columns:1fr 1fr;gap:8px}.gal.big figure:first-child{grid-column:span 2;grid-row:auto}.gal figcaption{font-size:.7rem;padding:18px 8px 6px}}
.post-body{max-width:820px;padding-top:40px;padding-bottom:70px}.post-body h2{margin:42px 0 14px;font-size:clamp(1.4rem,3vw,1.9rem)}.post-body p{color:#d6d0c4;line-height:1.85;margin:0 0 16px}.post-body a{color:var(--gd)}
.aimg{margin:28px 0}.aimg img{width:100%;border-radius:4px}.aimg figcaption{color:var(--mu);font-size:.82rem;margin-top:6px}
.post-body .cta{margin-top:44px}.hero.post{min-height:70vh;background-size:cover;background-position:center}.hero.post h1{font-size:clamp(1.9rem,4.5vw,3.4rem)}.hero.post .tag a{color:inherit}
.bcard{text-decoration:none;color:var(--tx)}.bcard img{width:100%;aspect-ratio:16/9;object-fit:cover}.bcard h3{font-size:1.2rem;margin:8px 0}.bcard p{color:var(--mu);font-size:.9rem}.bcard .more{color:var(--gd);margin-top:auto;font-weight:600}