:root{
  --bg:#f3efe6;--paper:#fbf9f4;--ink:#1d271f;--mute:#5f6b5f;--line:#ddd5c4;
  --forest:#2f5d3a;--forest-2:#24472d;--brick:#b5562f;--sun:#e9b44c;
  --serif:'Fraunces',Georgia,serif;--sans:'Be Vietnam Pro',system-ui,sans-serif;
  --r:18px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:99}.skip:focus{left:8px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--brick);font-weight:500;margin:0 0 14px}
.h2{font:400 clamp(32px,4.4vw,56px)/1.08 var(--serif);margin:0 0 40px;letter-spacing:-.01em;max-width:16ch}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--forest);color:#fff;border:0;border-radius:99px;padding:14px 24px;font:500 15px var(--sans);text-decoration:none;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--forest-2);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-ghost{background:rgba(255,255,255,.14);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.26)}
.link{background:none;border:0;padding:0;color:var(--forest);font:500 14px var(--sans);cursor:pointer;text-decoration:underline;text-underline-offset:4px}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;gap:32px;padding:16px 28px;transition:background .3s,box-shadow .3s,color .3s;color:#fff}
.nav.solid{background:rgba(251,249,244,.92);backdrop-filter:blur(12px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 20px var(--serif)}
.logo svg{width:26px;height:26px;fill:currentColor}.logo i{font-weight:400}
.nav nav{display:flex;gap:26px;margin-left:auto}
.nav nav a{text-decoration:none;font-size:14px;opacity:.85}.nav nav a:hover{opacity:1}

/* hero */
.hero{position:relative;height:100svh;min-height:620px;color:#fff;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.08)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,30,20,.45) 0%,rgba(18,30,20,.05) 35%,rgba(18,30,20,.55) 75%,rgba(18,30,20,.85))}
.hero-in{position:relative;max-width:1200px;margin:0 auto;width:100%;padding:0 24px 40px}
.hero h1{font:400 clamp(44px,7.6vw,108px)/.98 var(--serif);margin:0 0 22px;letter-spacing:-.02em}
.hero h1 span,.hero h1 em{display:block}.hero h1 em{color:#f3dfa6}
.hero .lead{max-width:520px;font-size:18px;opacity:.92;margin:0 0 28px}
.hero .eyebrow{color:#f3dfa6}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{position:relative;list-style:none;margin:0 auto;padding:22px 24px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;max-width:1200px;width:100%;border-top:1px solid rgba(255,255,255,.22)}
.hero-stats b{display:block;font:400 34px/1 var(--serif)}.hero-stats span{font-size:13px;opacity:.8}

/* bản đồ */
.map{position:relative;height:calc(var(--stops,8) * 100svh)}
.map-stick{position:sticky;top:0;height:100svh;overflow:hidden;background:#cfdcd6}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block}
.map-veil{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(243,239,230,.75) 0%,rgba(243,239,230,0) 42%)}
.map-head{position:absolute;top:84px;left:28px}
.map-cards{position:absolute;left:28px;bottom:48px;width:min(420px,calc(100% - 56px))}
.card{position:absolute;bottom:0;left:0;right:0;background:rgba(251,249,244,.9);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);border-radius:var(--r);padding:24px 26px;box-shadow:0 20px 50px -20px rgba(30,45,30,.35);opacity:0;transform:translateY(24px);transition:opacity .5s,transform .5s;pointer-events:none}
.card.on{opacity:1;transform:none;pointer-events:auto}
.card small{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--brick)}
.card h2{font:400 30px/1.12 var(--serif);margin:8px 0 10px}
.card p{margin:0 0 6px;color:var(--mute)}
.map-dots{position:absolute;right:28px;top:50%;transform:translateY(-50%);list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.map-dots button{width:12px;height:12px;border-radius:50%;border:2px solid var(--forest);background:transparent;padding:0;cursor:pointer;transition:all .3s}
.map-dots li.on button{background:var(--forest);transform:scale(1.25)}
.map-hint{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--forest);margin:0;transition:opacity .4s}
.map-labels{position:absolute;inset:0;pointer-events:none}
.lbl{position:absolute;left:0;top:0;transform:translate(-50%,-100%);background:rgba(29,39,31,.78);color:#fff;font-size:12px;padding:5px 10px;border-radius:99px;white-space:nowrap;transition:background .3s,opacity .3s;will-change:transform}
.lbl::after{content:"";position:absolute;left:50%;bottom:-5px;width:2px;height:5px;background:inherit;transform:translateX(-50%)}
.lbl.on{background:var(--brick);font-weight:500}
.lbl.off{opacity:0}

/* phòng */
.rooms{padding:140px 0 100px}
.room-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.room{background:var(--paper);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.room-img{aspect-ratio:16/10;overflow:hidden}
.room-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.room:hover .room-img img{transform:scale(1.04)}
.room-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.room h3{font:400 28px/1.1 var(--serif);margin:0 0 8px}
.room p{margin:0 0 14px;color:var(--mute)}
.tags{list-style:none;padding:0;margin:0 0 18px;display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:13px;border:1px solid var(--line);border-radius:99px;padding:3px 10px}
.room-foot{margin-top:auto;display:flex;align-items:center;gap:16px}
.price{font:600 20px var(--sans);margin-right:auto}.price small{font-weight:400;font-size:13px;color:var(--mute)}
.note{color:var(--mute);font-size:14px;margin-top:22px}

/* trải nghiệm */
.exp{padding:60px 0 120px}
.exp-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.exp-list li{display:grid;grid-template-columns:220px 1fr;gap:32px;padding:26px 0;border-bottom:1px solid var(--line);align-items:center}
.exp-list img{width:220px;height:140px;object-fit:cover;border-radius:12px}
.exp-list small{font-size:12px;letter-spacing:.14em;color:var(--brick)}
.exp-list h3{font:400 30px/1.15 var(--serif);margin:4px 0 6px}
.exp-list p{margin:0;color:var(--mute);max-width:56ch}

/* thư viện ảnh cuộn ngang */
.gallery{position:relative;background:var(--forest-2);color:#fff}
.gal-stick{height:100svh;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.gal-head .eyebrow{color:#f3dfa6}.gal-head .h2{margin-bottom:28px}
.gal-track{display:flex;gap:22px;padding:0 24px;will-change:transform;width:max-content}
.gal-track figure{margin:0;width:min(560px,78vw)}
.gal-track img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:14px}
.gal-track figcaption{font-size:14px;opacity:.8;margin-top:10px}

/* đặt phòng */
.book{padding:120px 0}
.book-in{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;align-items:start}
.book-copy p{color:var(--mute);max-width:42ch}
.perks{list-style:none;padding:0;margin:26px 0 0}
.perks li{padding:10px 0 10px 30px;border-bottom:1px solid var(--line);position:relative}
.perks li::before{content:"";position:absolute;left:4px;top:17px;width:12px;height:7px;border-left:2px solid var(--forest);border-bottom:2px solid var(--forest);transform:rotate(-45deg)}
.book-form{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px;box-shadow:0 30px 60px -40px rgba(30,45,30,.4)}
.book-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--mute)}
.book-form .full{grid-column:1/-1}
.book-form input,.book-form select,.book-form textarea{font:15px var(--sans);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;width:100%}
.book-form input:focus,.book-form select:focus,.book-form textarea:focus{outline:2px solid var(--forest);outline-offset:1px}
.step{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;padding:6px 8px 6px 14px;background:#fff;font-size:14px}
.step span{margin-right:auto;color:var(--mute)}
.step button{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--bg);font-size:18px;cursor:pointer}
.step output{min-width:20px;text-align:center;font-weight:600}
.hp{position:absolute;left:-9999px}
.quote{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 16px;border-radius:12px;background:var(--bg);font-size:14px;color:var(--mute)}
.quote b{font-size:22px;color:var(--ink)}
.quote.bad{background:#f6e1dc;color:#9a3a26}
.form-msg{margin:0;min-height:1.4em;font-size:14px}
.form-msg.ok{background:#e1efe3;color:var(--forest-2);padding:14px 16px;border-radius:12px}
.form-msg.err{color:#a3361f}

.foot{background:#17201a;color:#c9cfc6;padding:56px 0}
.foot-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot .logo{color:#fff;margin-bottom:12px}
.foot p{margin:0;font-size:14px}.foot .demo{max-width:46ch;opacity:.7}

/* trình xem mô hình */
.viewer{border:0;padding:0;width:min(1000px,94vw);height:min(720px,86vh);border-radius:22px;background:radial-gradient(circle at 50% 40%,#f6f2e8,#d9d3c3);overflow:hidden}
.viewer::backdrop{background:rgba(15,22,17,.7);backdrop-filter:blur(4px)}
.viewer canvas{width:100%;height:100%;display:block;cursor:grab}
.viewer-bar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:16px;padding:16px 20px;background:linear-gradient(transparent,rgba(251,249,244,.9))}
.viewer-bar span{color:var(--mute);font-size:13px;margin-right:auto}

@media (max-width:900px){
  .nav nav{display:none}.nav{gap:12px;padding:12px 16px}.nav .btn-sm{margin-left:auto}
  .wrap,.hero-in{padding-left:16px;padding-right:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px;padding:18px 16px 24px}.hero-stats b{font-size:26px}
  .map-veil{background:linear-gradient(0deg,rgba(243,239,230,.8) 0%,rgba(243,239,230,0) 45%)}
  .map-head{top:70px;left:16px}.map-cards{left:16px;bottom:44px;width:calc(100% - 32px)}
  .card{padding:18px 20px}.card h2{font-size:24px}.card p{font-size:14px}
  .map-dots{right:12px;gap:9px}.map-dots button{width:9px;height:9px}
  .lbl{font-size:11px;padding:4px 8px}
  .room-grid{grid-template-columns:1fr}
  .rooms{padding:90px 0 60px}
  .exp-list li{grid-template-columns:1fr;gap:14px}.exp-list img{width:100%;height:190px}
  .gal-stick{height:auto;padding:80px 0}
  .gal-track{width:auto;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 16px 8px;scrollbar-width:none}
  .gal-track figure{flex:0 0 80vw;scroll-snap-align:center}
  .book-in{grid-template-columns:1fr;gap:32px}.book-form{padding:20px;grid-template-columns:1fr}
  .book{padding:80px 0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}