:root{
  --g9:#0b2620; --g8:#0f2d25; --g7:#163c32; --g6:#1f4b3f;
  --gold:#c9a45c; --gold2:#e3c98f; --gold-d:#a8853f;
  --ivory:#f6f1e7; --paper:#fffdf8; --ink:#1c2925; --muted:#5b6a64; --line:#e4dccb;
  --radius:14px; --shadow:0 18px 50px -20px rgba(11,38,32,.35);
  --serif:"Playfair Display",Georgia,serif; --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}
.container{width:min(1180px,100% - 32px);margin-inline:auto}
.narrow{width:min(820px,100% - 32px)}
.gold{color:var(--gold2)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font:600 15px/1.2 var(--sans);transition:transform .15s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:16px;height:16px}
.btn--gold{background:linear-gradient(135deg,var(--gold2),var(--gold) 55%,var(--gold-d));color:#1d1608;box-shadow:0 10px 24px -10px rgba(201,164,92,.8)}
.btn--dark{background:var(--g8);color:#fff}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.btn--outline{border-color:var(--g8);color:var(--g8)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(11,38,32,.92);backdrop-filter:blur(10px);color:#fff;border-bottom:1px solid rgba(201,164,92,.25)}
.header__inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand__mark{width:38px;height:38px;border-radius:10px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold)}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__text strong{font-family:var(--serif);font-size:17px;letter-spacing:.3px}
.brand__text small{font-size:12px;color:var(--gold2)}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{text-decoration:none;font-size:14px;color:rgba(255,255,255,.82)}
.nav a:hover{color:var(--gold2)}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;padding:8px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px}

/* Hero */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--g9)}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center 30%;transform:scale(1.03)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,30,25,.95) 0%,rgba(8,30,25,.82) 42%,rgba(8,30,25,.45) 100%)}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:72px 0 80px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.6px;text-transform:uppercase;color:var(--gold2);border:1px solid rgba(227,201,143,.4);padding:6px 14px;border-radius:999px;margin:0 0 20px}
.hero h1{font-family:var(--serif);font-size:clamp(40px,6vw,68px);font-weight:600;margin-bottom:18px}
.hero h1 .gold{display:block}
.hero__lead{font-size:18px;color:rgba(255,255,255,.85);max-width:560px;margin:0 0 28px}
.hero__stats{list-style:none;padding:0;margin:0 0 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:600px}
.hero__stats li{border-left:2px solid var(--gold);padding-left:12px}
.hero__stats strong{display:block;font-family:var(--serif);font-size:32px;color:var(--gold2);line-height:1.1}
.hero__stats span{font-size:12.5px;color:rgba(255,255,255,.75);line-height:1.35;display:block;margin-top:4px}
.hero__ctas{display:flex;gap:12px;flex-wrap:wrap}

/* Lead card */
.lead-card{background:rgba(255,253,248,.97);color:var(--ink);border-radius:20px;padding:30px;box-shadow:var(--shadow);border-top:4px solid var(--gold)}
.lead-card h2{font-family:var(--serif);font-size:24px;color:var(--g8)}
.lead-card__tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--gold-d);margin:0 0 8px}
.lead-card__sub{font-size:14.5px;color:var(--muted);margin:0 0 18px}
.lead-card--light{border-top-color:var(--gold)}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--g7)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:15px var(--sans);background:#fff;color:var(--ink);transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,164,92,.2)}
.field.is-error input{border-color:#c0392b}
.form-note{font-size:12px;color:var(--muted);margin:10px 0 0;text-align:center}
.form-msg{font-size:14px;margin-top:10px;text-align:center}
.form-msg.ok{color:#1d7a46;font-weight:600}
.form-msg.err{color:#c0392b}

/* Video */
.video-sec{background:var(--g9);color:#fff;padding:64px 0}
.video-sec[hidden]{display:none}
.video-sec .title{color:#fff}
.video-sec .kicker{color:var(--gold2)}
.video-sec .muted{color:rgba(255,255,255,.72);margin-bottom:24px}
.video-sec__inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.video-frame{border-radius:var(--radius);overflow:hidden;background:#000;box-shadow:var(--shadow);border:1px solid rgba(201,164,92,.35);aspect-ratio:16/9;width:100%}
.video-frame.is-vertical{aspect-ratio:9/16;width:min(380px,calc(78vh * 9 / 16));justify-self:center}
.video-frame iframe,.video-frame video{width:100%;height:100%;border:0;display:block;object-fit:contain;background:#000}
@media (max-width:860px){.video-sec__inner{grid-template-columns:1fr;gap:28px}.video-sec{padding:48px 0}}

/* Trust bar */
.trustbar{background:var(--gold);color:#22190a;font-size:14px;font-weight:600}
.trustbar__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 0}

/* Sections */
.section{padding:96px 0}
.section--dark{background:var(--g8);color:#fff}
.section--dark .muted{color:rgba(255,255,255,.72)}
.section--ivory{background:var(--ivory)}
.section-head{max-width:760px;margin-bottom:44px}
.kicker{font-size:13px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold-d);margin:0 0 10px}
.section--dark .kicker{color:var(--gold2)}
.title{font-family:var(--serif);font-size:clamp(28px,3.6vw,42px);font-weight:600;color:var(--g8)}
.section--dark .title{color:#fff}
.muted{color:var(--muted)}
.fine{font-size:12.5px;color:var(--muted);margin-top:16px}
.section--dark .fine{color:rgba(255,255,255,.55)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.grid-2--top{align-items:start}

/* Facts */
.facts{width:100%;border-collapse:collapse;margin-top:24px;font-size:15px}
.facts th,.facts td{text-align:left;padding:12px 0;border-bottom:1px solid var(--line);vertical-align:top}
.facts th{width:38%;color:var(--muted);font-weight:500;padding-right:16px}
.figure{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
.figure img{width:100%;aspect-ratio:4/5;object-fit:cover}
.figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 14px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;font-size:13px}

/* Map + zones */
.map{margin:0 0 40px;border-radius:var(--radius);overflow:hidden;cursor:zoom-in;border:1px solid rgba(201,164,92,.35)}
.map figcaption{background:var(--g9);color:rgba(255,255,255,.6);font-size:13px;padding:10px 16px}
.zones{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.zone{background:var(--g7);border:1px solid rgba(201,164,92,.25);border-radius:var(--radius);padding:22px 20px;font-size:14px;color:rgba(255,255,255,.78)}
.zone__no{font-family:var(--serif);font-size:30px;color:var(--gold);line-height:1}
.zone h3{font-family:var(--serif);font-size:22px;color:#fff;margin:10px 0 2px}
.zone__vn{color:var(--gold2);font-weight:600;margin:0 0 10px;font-size:13px;text-transform:uppercase;letter-spacing:.5px}
.zone p{margin:0}

/* Amenities */
.amenities{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.amenity{margin:0;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 10px 28px -18px rgba(11,38,32,.45);cursor:zoom-in;transition:transform .25s,box-shadow .25s}
.amenity:hover{transform:translateY(-3px);box-shadow:0 18px 36px -18px rgba(11,38,32,.55)}
.amenity.is-more{display:none}
.amenities.is-open .amenity.is-more{display:block}
.amenity__img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--g7)}
.amenity__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.amenity:hover .amenity__img img{transform:scale(1.06)}
.amenity__img::after{content:"";position:absolute;inset:auto 0 0 0;height:55%;background:linear-gradient(transparent,rgba(8,30,25,.78))}
.amenity__img b{position:absolute;left:14px;bottom:10px;z-index:1;font-family:var(--serif);font-size:26px;font-weight:600;color:var(--gold2);line-height:1.1;text-shadow:0 2px 8px rgba(0,0,0,.4);font-variant-numeric:lining-nums}
.amenity figcaption{padding:12px 14px 14px;font-size:14px;font-weight:500;color:var(--ink);line-height:1.45}
.amenities__more{text-align:center;margin-top:26px}
.amenities.is-open + .amenities__more{display:none}
@media (max-width:1080px){.amenities{grid-template-columns:repeat(3,1fr)}}
@media (max-width:860px){.amenities{grid-template-columns:repeat(2,1fr);gap:12px}.amenity__img b{font-size:21px}.amenity figcaption{font-size:13px;padding:10px 12px 12px}}
.cta-strip{margin-top:36px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--ivory);border-radius:var(--radius);padding:22px 26px;flex-wrap:wrap}
.cta-strip p{margin:0}

/* Models */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.tab{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;font:500 14px var(--sans);cursor:pointer;color:var(--ink)}
.tab.is-active{background:var(--g8);border-color:var(--g8);color:#fff}
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.model{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 30px -18px rgba(11,38,32,.4);cursor:zoom-in;transition:transform .2s}
.model:hover{transform:translateY(-3px)}
.model img{width:100%;aspect-ratio:16/9;object-fit:cover}
.model__body{padding:16px 18px 18px}
.model__no{font-size:12px;font-weight:700;color:var(--gold-d);letter-spacing:.6px}
.model h3{font-size:17px;margin:4px 0 6px;color:var(--g8)}
.model p{margin:0;font-size:13.5px;color:var(--muted)}
.model.is-hidden{display:none}

/* Policies */
.policies{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.policy{background:var(--g7);border:1px solid rgba(201,164,92,.25);border-radius:var(--radius);padding:24px;font-size:14.5px;color:rgba(255,255,255,.78);position:relative}
.policy h3{font-size:15px;text-transform:uppercase;letter-spacing:.6px;color:var(--gold2);margin-bottom:10px}
.policy__big{font-family:var(--serif);font-size:24px;color:#fff;margin:0 0 10px}
.policy__big b{color:var(--gold2)}
.policy p{margin:0 0 6px}
.policy--hot{border-color:var(--gold);background:linear-gradient(160deg,#1f4b3f,#163c32)}
.badge{position:absolute;top:-12px;right:16px;background:var(--gold);color:#22190a;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.price-box{margin-top:32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px dashed var(--gold);border-radius:var(--radius);padding:26px 30px;flex-wrap:wrap}
.price-box h3{font-family:var(--serif);font-size:24px;margin-bottom:6px}
.price-box p{margin:0;color:rgba(255,255,255,.72);max-width:640px}

/* Timeline */
.timeline{list-style:none;padding:0;margin:24px 0 0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 18px 24px}
.timeline li::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--gold)}
.timeline li.is-key::before{background:var(--gold)}
.timeline time{display:block;font-size:13px;font-weight:700;color:var(--gold-d)}
.timeline span{font-size:15px}
.timeline li.is-key span{font-weight:700;color:var(--g8)}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 18px}
.gallery img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;cursor:zoom-in}
.gallery img:first-child{grid-column:1/-1;aspect-ratio:16/8}

/* About */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:center}
.about__photo{position:relative}
.about__photo img,.avatar-fallback{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}
.about__photo::before{content:"";position:absolute;inset:18px -18px -18px 18px;border:2px solid var(--gold);border-radius:20px;z-index:-1}
.about__photo{z-index:0}
.avatar-fallback{display:grid;place-items:center;background:linear-gradient(150deg,var(--g6),var(--g9));color:var(--gold2);font:600 120px var(--serif)}
.about__role{color:var(--gold-d);font-weight:600;margin:-8px 0 18px}
.about__stats{list-style:none;padding:0;margin:24px 0;display:flex;gap:36px;flex-wrap:wrap}
.about__stats b{display:block;font-family:var(--serif);font-size:34px;color:var(--g8);line-height:1.1}
.about__stats span{font-size:13px;color:var(--muted)}
.checks{list-style:none;padding:0;margin:0 0 26px;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}
.checks li{position:relative;padding-left:26px;font-size:15px}
.checks li::before{content:"✓";position:absolute;left:0;top:0;color:var(--gold-d);font-weight:700}
.about__ctas{display:flex;gap:12px;flex-wrap:wrap}

/* Activity photos */
.activity__title{margin-top:64px}
.activity{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.activity figure{margin:0;position:relative;border-radius:12px;overflow:hidden;cursor:zoom-in;aspect-ratio:4/5}
.activity figure.activity__wide{grid-column:span 4;aspect-ratio:21/8}
.activity img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.activity figure:hover img{transform:scale(1.04)}
.activity figcaption{position:absolute;left:0;right:0;bottom:0;padding:36px 14px 12px;background:linear-gradient(transparent,rgba(0,0,0,.72));color:#fff;font-size:13.5px;font-weight:500}
@media (max-width:860px){.activity{grid-template-columns:1fr 1fr}.activity figure.activity__wide{grid-column:span 2;aspect-ratio:16/10}}

/* FAQ */
.faq{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;padding:16px 36px 16px 0;font-weight:600;font-size:17px;position:relative;color:var(--g8)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:24px;color:var(--gold-d);transition:transform .2s}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0 0 18px;color:var(--muted)}

/* Final */
.final .grid-2{align-items:start}
.contact-list{list-style:none;padding:0;margin:28px 0}
.contact-list li{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-list span{width:100px;flex-shrink:0;color:rgba(255,255,255,.55);font-size:14px}
.contact-list a{color:var(--gold2);text-decoration:none;font-weight:600}
.contact-list em{font-style:normal}
.contact-list li>span:first-child{width:120px}
.contact-list .contact-phone{width:auto;color:inherit;font-size:inherit;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.contact-list .zalo-chip{background:#0068ff;color:#fff;font-size:12.5px;padding:3px 12px;border-radius:999px}
.socials{display:flex;gap:10px}
.socials a{border:1px solid rgba(255,255,255,.3);padding:8px 16px;border-radius:999px;text-decoration:none;font-size:14px}
.socials a:hover{border-color:var(--gold2);color:var(--gold2)}

/* Footer */
.footer{background:var(--g9);color:rgba(255,255,255,.7);padding:36px 0 110px;font-size:14px}
.footer a{color:var(--gold2);text-decoration:none}
.disclaimer{font-size:12.5px;color:rgba(255,255,255,.5);max-width:900px}
.copy{font-size:12.5px;color:rgba(255,255,255,.4);margin:0}

/* Floating */
.floating{position:fixed;right:18px;bottom:24px;z-index:40;display:flex;flex-direction:column;gap:12px}
.fab{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;text-decoration:none;font-weight:700;font-size:14px;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.fab svg{width:24px;height:24px}
.fab--zalo{background:#0068ff}
.fab--call{background:#e0403a;animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(224,64,58,.55)}70%{box-shadow:0 0 0 16px rgba(224,64,58,0)}100%{box-shadow:0 0 0 0 rgba(224,64,58,0)}}
.mobile-bar{display:none}

/* Modal + lightbox */
.modal,.lightbox{position:fixed;inset:0;z-index:100;display:none}
.modal.is-open,.lightbox.is-open{display:grid;place-items:center}
.modal__backdrop{position:absolute;inset:0;background:rgba(5,20,16,.7)}
.modal__box{position:relative;background:var(--paper);border-radius:20px;padding:32px;width:min(440px,100% - 32px);border-top:4px solid var(--gold);box-shadow:var(--shadow);animation:pop .25s ease}
.modal__box h2{font-family:var(--serif);font-size:24px;color:var(--g8)}
@keyframes pop{from{transform:scale(.94);opacity:0}}
.modal__close{position:absolute;top:10px;right:12px;background:none;border:0;font-size:30px;line-height:1;cursor:pointer;color:var(--muted)}
.lightbox{background:rgba(0,0,0,.92);padding:16px}
.lightbox img{max-width:100%;max-height:92vh;object-fit:contain;border-radius:8px}
.lightbox .modal__close{color:#fff;font-size:40px}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* Social icons (đầu trang) */
.social-icons{display:flex;gap:8px;align-items:center}
.si{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:34px;height:34px;border-radius:50%;color:#fff;text-decoration:none;transition:transform .15s,filter .15s}
.si svg{width:17px;height:17px;flex-shrink:0}
.si em{display:none;font-style:normal}
.si:hover{transform:translateY(-2px);filter:brightness(1.12)}
.si--fb{background:#1877f2}.si--tt{background:#111;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}.si--yt{background:#ff0000}
.header__social{flex-shrink:0}
.nav{gap:20px}
.nav a.nav__gc{color:var(--gold2);font-weight:600}
.hero__gc{display:inline-block;margin:0 0 14px;font-size:14px;color:#fff;text-decoration:none;background:rgba(201,164,92,.18);border:1px solid rgba(227,201,143,.55);padding:6px 14px;border-radius:999px}
.hero__gc b{color:var(--gold2)}
.hero__gc:hover{background:rgba(201,164,92,.3)}
.hero__social{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.75);flex-wrap:wrap}
.hero__social .si{width:auto;height:auto;border-radius:999px;padding:7px 14px 7px 11px;font-size:13.5px;font-weight:600}
.hero__social .si em{display:inline}

/* Green City */
/* Trang đầu chia đôi */
.split{position:relative;display:flex;height:calc(100vh - 68px);min-height:520px;max-height:820px;background:var(--g9);overflow:hidden}
.split__title{position:absolute;z-index:3;top:28px;left:50%;transform:translateX(-50%);margin:0;text-align:center;color:#fff;font:600 15px var(--sans);letter-spacing:.4px;background:rgba(8,30,25,.72);backdrop-filter:blur(6px);border:1px solid rgba(227,201,143,.45);border-radius:999px;padding:9px 22px;white-space:nowrap;pointer-events:none}
.split__title span{color:var(--gold2);font-weight:500;margin-right:8px}
.split__title span::after{content:"·";margin-left:8px;color:rgba(255,255,255,.5)}
.split__item{position:relative;flex:1;display:flex;align-items:flex-end;color:#fff;text-decoration:none;overflow:hidden;transition:flex .5s ease}
.split__item+.split__item{border-left:2px solid var(--gold)}
.split__bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .8s ease}
.split__item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,30,25,.2) 0%,rgba(8,30,25,.25) 35%,rgba(8,30,25,.8) 65%,rgba(8,30,25,.95) 100%);transition:background .4s}
.split__content{position:relative;z-index:2;padding:0 48px 56px;width:100%}
.split__tag{display:inline-block;font-size:12.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--gold2);margin-bottom:10px}
.split h2{font-family:var(--serif);font-weight:600;font-size:clamp(22px,2.4vw,30px);line-height:1.1;margin:0 0 14px}
.split h2 span{display:block;font-size:clamp(38px,4.6vw,64px);color:var(--gold2)}
.split__facts{list-style:none;padding:0;margin:0 0 22px;display:flex;gap:22px;flex-wrap:wrap;font-size:14.5px;color:rgba(255,255,255,.85)}
.split__facts b{font-family:var(--serif);font-size:22px;color:#fff;margin-right:4px;font-variant-numeric:lining-nums}
.split__btn{display:inline-flex;align-items:center;gap:10px;background:linear-gradient(135deg,var(--gold2),var(--gold) 55%,var(--gold-d));color:#1d1608;font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;box-shadow:0 10px 24px -10px rgba(201,164,92,.8)}
.split__btn i{font-style:normal;transition:transform .3s}
@media (hover:hover){
  .split__item:hover{flex:1.25}
  .split__item:hover .split__bg{transform:scale(1.05)}
  .split__item:hover .split__btn i{transform:translateX(5px)}
  .split:hover .split__item:not(:hover)::after{background:linear-gradient(180deg,rgba(8,30,25,.45),rgba(8,30,25,.95))}
}

/* Đăng ký nhanh */
.quick{background:var(--g8);color:#fff;padding:30px 0;border-bottom:1px solid rgba(201,164,92,.25)}
.quick__inner{display:grid;grid-template-columns:.8fr 2fr;gap:32px;align-items:center}
.quick__copy h2{font-family:var(--serif);font-size:24px;margin:0 0 4px;color:#fff}
.quick__copy p{margin:0;font-size:14px;color:rgba(255,255,255,.7)}
.quick__form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:12px;align-items:end}
.quick__form .field{margin:0}
.quick__form .field span{color:rgba(255,255,255,.7)}
.quick__form .btn{height:48px;white-space:nowrap}
.quick__form .form-msg{grid-column:1/-1;margin:0}
.quick__form .form-msg:empty{display:none}
.quick .form-msg.ok{color:var(--gold2)}.quick .form-msg.ok a{color:#fff}
.quick .form-msg.err{color:#ff9a8c}
@media (max-width:1080px){.quick__inner{grid-template-columns:1fr;gap:16px}}
@media (max-width:760px){
  .split{flex-direction:column;height:calc(100svh - 68px - 64px);min-height:560px;max-height:none}
  .split__item+.split__item{border-left:0;border-top:2px solid var(--gold)}
  .split__item::after{background:linear-gradient(180deg,rgba(8,30,25,.35) 0%,rgba(8,30,25,.6) 40%,rgba(8,30,25,.94) 100%)}
  .split__tag{font-size:11.5px;text-shadow:0 1px 6px rgba(0,0,0,.6)}
  .trustbar{display:none}
  .split__title{top:auto;bottom:50%;transform:translate(-50%,50%);z-index:4}
  .split__item:first-of-type .split__content{padding-bottom:40px}
  .quick__form{grid-template-columns:1fr 1fr}
  .quick__form .field:nth-of-type(3),.quick__form .btn{grid-column:1/-1}
  .quick__copy h2{font-size:21px}
}

/* Mở đầu từng dự án */
.proj-hero{position:relative;color:#fff;overflow:hidden;background:var(--g9);border-top:4px solid var(--gold)}
.proj-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center}
.proj-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,30,25,.94) 0%,rgba(8,30,25,.78) 45%,rgba(8,30,25,.3) 100%)}
.proj-hero__inner{position:relative;z-index:1;padding:80px 0 72px}
.proj-hero__title{font-family:var(--serif);font-size:clamp(38px,5.4vw,62px);font-weight:600;margin:0 0 16px;line-height:1.1}
.proj-hero__title .gold{color:var(--gold2)}
.proj-hero .hero__stats{margin-bottom:28px}
.subnav{display:flex;flex-wrap:wrap;gap:8px}
.subnav a{color:#fff;text-decoration:none;font-size:14px;font-weight:500;padding:8px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.35);background:rgba(8,30,25,.35);backdrop-filter:blur(4px);transition:all .2s}
.subnav a:hover{background:var(--gold);border-color:var(--gold);color:#1d1608}
#gc-tong-quan .figure img{aspect-ratio:4/3}
#gc-tong-quan .figure{cursor:zoom-in;align-self:center}
.fine--light{text-align:center}

/* Responsive */
@media (max-width:1080px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--g9);padding:8px 16px 16px;border-bottom:1px solid rgba(201,164,92,.25)}
  .nav.is-open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px}
  .nav-toggle{display:block}
  .header__social{margin-left:auto}
  .zones{grid-template-columns:repeat(3,1fr)}
  .policies{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .hero__inner,.grid-2,.about{grid-template-columns:1fr;gap:36px}
  .hero__inner{padding:48px 0 56px}
  .models{grid-template-columns:repeat(2,1fr)}
  .about__photo{max-width:360px}
  .section{padding:68px 0}
}
@media (max-width:600px){
  body{font-size:15px}
  .header__call span{display:none}
  .header__inner{gap:10px}
  .header__social{gap:6px}
  .header__social .si{width:30px;height:30px}
  .header__social .si svg{width:15px;height:15px}
  .brand__mark{display:none}
  .proj-hero__inner{padding:52px 0 52px}
  .split__content{padding:0 20px 26px}
  .split__title{font-size:13px;padding:7px 14px}
  .split__title span{display:none}
  .split__facts{gap:4px 16px;font-size:13.5px;margin-bottom:14px}
  .split__facts b{font-size:18px}
  .split__btn{padding:11px 20px;font-size:14px}
  .subnav a{font-size:13px;padding:7px 12px}
  .header__call{padding:10px;width:42px;height:42px}
  .brand__text strong{font-size:15px}
  .hero__stats{grid-template-columns:repeat(2,1fr);gap:18px 12px}
  .hero__lead{font-size:16px}
  .hero__ctas .btn{flex:1;padding:14px 12px;font-size:14px;white-space:nowrap}
  .lead-card{padding:22px}
  .zones,.policies,.models{grid-template-columns:1fr}
  .checks{grid-template-columns:1fr}
  .trustbar__inner{justify-content:flex-start;gap:6px 18px;font-size:13px}
  .facts th{width:42%}
  .cta-strip,.price-box{flex-direction:column;align-items:stretch;text-align:left}
  .floating{display:none}
  .mobile-bar{display:grid;grid-template-columns:1fr 1fr 1.4fr;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--g9);border-top:1px solid rgba(201,164,92,.35);padding:8px;gap:8px;padding-bottom:max(8px,env(safe-area-inset-bottom))}
  .mobile-bar a{text-align:center;padding:12px 6px;border-radius:10px;text-decoration:none;color:#fff;font-weight:600;font-size:14px;border:1px solid rgba(255,255,255,.2)}
  .mobile-bar a.is-primary{background:var(--gold);color:#22190a;border-color:var(--gold)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}.reveal{opacity:1;transform:none}}