:root{
  --navy:#0B3C7E;--blue:#1B5AA6;--dark:#072D59;--gold:#D4AF6D;--gold-deep:#B8860B;--accent:#3B78E8;
  --text:#111827;--muted:#6B7280;--ink:#111827;--surface:#F7F7F7;--line:rgba(11,60,126,.14);
  --card-border:rgba(11,60,126,.12);--white:#fff;--primary:#0B3C7E;--primary-light:#1B5AA6;
  --font-h:'Poppins',system-ui,sans-serif;--font-b:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
html,body{margin:0;padding:0;background:#fff;color:var(--text);font-family:var(--font-b);line-height:1.55;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}a{color:var(--navy);text-decoration:none}a:hover{color:var(--blue)}
h1,h2,h3,h4,.font-heading,.font-display{font-family:var(--font-h);letter-spacing:-.03em;line-height:1.2;color:var(--dark);margin:0 0 .4em}
.container-custom,.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.section-padding{padding:72px 0}
.section-title{font-size:clamp(28px,4vw,40px);color:var(--dark)}
.btn-primary,.btn-navy{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--navy);color:#fff;border:0;border-radius:10px;padding:12px 22px;font:700 14px/1 var(--font-b);cursor:pointer}
.btn-primary:hover,.btn-navy:hover{background:var(--blue);color:#fff}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;border:2px solid #fff;color:#fff;background:transparent;border-radius:999px;padding:12px 22px;font:700 14px/1 var(--font-b)}
.btn-outline:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-gold{display:inline-flex;align-items:center;justify-content:center;background:var(--gold);color:var(--dark);border:0;border-radius:999px;padding:10px 16px;font:700 13px/1 var(--font-b);cursor:pointer}
.btn-gold:hover{background:#e0c184;color:var(--dark)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--navy);border-radius:999px;padding:8px 10px;font:700 12px/1 var(--font-b);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-width:38px;min-height:38px}
.btn-ghost svg{display:block;width:16px;height:16px}
/* demo bar */
.demo-bar{background:var(--dark);color:#fff;display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;padding:7px 16px;font-size:12px;position:sticky;top:0;z-index:60}
.demo-bar a{color:var(--gold)}
.demo-bar .toggles{display:flex;flex-wrap:wrap;gap:6px}
.demo-bar button{border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:999px;padding:5px 10px;font:600 11px/1 var(--font-b);cursor:pointer;letter-spacing:.04em;text-transform:uppercase}
.demo-bar button[aria-pressed="true"]{background:var(--gold);color:var(--dark);border-color:var(--gold)}
/* header */
.site-header{position:sticky;top:34px;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .inner{max-width:1280px;margin:0 auto;padding:8px 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:var(--dark);text-decoration:none;min-width:0}
.brand img{width:44px;height:44px;border-radius:10px}
.brand .word{display:flex;flex-direction:column;line-height:1.05}
.brand .word b{font-family:var(--font-h);font-size:18px;color:var(--navy)}
.brand .word small{font-size:9px;letter-spacing:.16em;font-weight:700;color:var(--muted);text-transform:uppercase}
.nav-main{display:none;gap:11px;align-items:center;margin-left:10px;flex:1;flex-wrap:nowrap;min-width:0}
.nav-main a{font-size:13px;font-weight:600;color:#374151;padding:8px 0;position:relative;white-space:nowrap}
.nav-main a:hover,.nav-main a[aria-current="page"]{color:var(--navy)}
.nav-main a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--gold);border-radius:2px}
.header-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.header-actions .btn-login{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:8px 14px;font:700 12px/1 var(--font-b)}
.header-actions .btn-signup{background:var(--navy);color:#fff;border:0;border-radius:999px;padding:8px 14px;font:700 12px/1 var(--font-b)}
.menu-btn{display:flex;margin-left:4px;width:40px;height:40px;border:1px solid var(--line);border-radius:999px;background:#fff;align-items:center;justify-content:center;cursor:pointer}
@media(min-width:980px){.nav-main{display:flex}.menu-btn{display:none}.site-header{top:32px}}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 16px 20px}
.mobile-nav.open{display:flex;flex-direction:column;gap:10px}
.mobile-nav a{padding:8px 0;font-weight:600;color:var(--dark);border-bottom:1px solid var(--surface)}
/* hero */
.hero{position:relative;min-height:85vh;display:flex;align-items:center;justify-content:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:#0a1628 center/cover no-repeat;transform:scale(1.02)}
.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,45,89,.45),rgba(7,45,89,.55))}
.hero-inner{position:relative;z-index:1;text-align:center;padding:120px 20px 80px;max-width:980px}
.hero h1{color:#fff;font-size:clamp(36px,6vw,72px);font-weight:800;margin:0}
.hero h1 em{font-style:normal;color:#7eb6ff}
.hero .sub{margin-top:14px;font-size:clamp(16px,2.2vw,22px);color:#fff;font-weight:500}
.hero .sub span{color:var(--gold)}
.hero-ctas{margin-top:28px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* stats */
.stats{background:#fff;padding:28px 16px 48px}
.stats-grid{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:800px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 10px;text-align:center}
.stat b{display:block;font-family:var(--font-h);font-size:32px;color:var(--navy)}
.stat.accent b{color:var(--accent)}
.stat span{display:block;margin-top:6px;font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
/* sections */
.section-head{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;justify-content:space-between;margin-bottom:28px}
.section-head h2{font-size:clamp(26px,3.5vw,36px);color:var(--navy);margin:0}
.rule{width:80px;height:4px;background:var(--gold);border-radius:4px;margin-top:10px}
.link-caps{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.bg-surface{background:var(--surface)}.bg-white{background:#fff}.bg-navy,.bg-primary{background:var(--navy);color:#fff}
.bg-dark{background:var(--dark);color:#fff}
/* cards */
.prop-grid,.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:700px){.prop-grid{grid-template-columns:1fr 1fr}.card-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}}
.prop-card,.svc-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(7,45,89,.06);display:flex;flex-direction:column;color:inherit;transition:transform .2s,box-shadow .2s}
.prop-card:hover,.svc-card:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(7,45,89,.12);color:inherit}
.prop-card img{width:100%;height:220px;object-fit:cover;background:#d7e0ee}
.prop-card .body,.svc-card{padding:16px 18px 18px}
.svc-card{padding:22px}
.prop-card h3{font-size:22px;margin:0 0 6px}
.meta{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.pill{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:3px 8px;font-size:11px;font-weight:600;color:var(--navy)}
.pill.gold{background:rgba(212,175,109,.25);border-color:rgba(212,175,109,.5)}
.price{font-weight:700;color:var(--navy)}
.badge{position:absolute;top:12px;left:12px;background:var(--navy);color:#fff;font-size:11px;font-weight:800;padding:4px 10px;border-radius:999px}
.thumb-wrap{position:relative}
/* why */
.why{background:linear-gradient(160deg,var(--dark),var(--navy));color:#fff;padding:72px 16px}
.why h2,.why h3{color:#fff}
.why p.lead{color:rgba(255,255,255,.75);max-width:42em;margin:12px auto 0;text-align:center}
.why-grid{max-width:1120px;margin:36px auto 0;display:grid;gap:16px}
@media(min-width:800px){.why-grid{grid-template-columns:repeat(3,1fr)}}
.why-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:22px}
.why-num{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
/* page hero */
.page-hero{background:var(--navy);color:#fff;padding:36px 16px 32px}
.page-hero h1{color:#fff;font-size:clamp(32px,5vw,48px)}
.page-hero p{color:rgba(255,255,255,.85);font-size:18px;margin:0}
/* forms */
.form-input,input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font:15px var(--font-b);color:var(--text)}
label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
.form-grid{display:grid;gap:14px}
@media(min-width:700px){.form-grid.two{grid-template-columns:1fr 1fr}}
.notice{padding:12px 14px;border-radius:12px;background:#ecfdf5;border:1px solid #bbf7d0;color:#166534;display:none}
.notice.show{display:block}
/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:48px 16px 0;color:var(--muted)}
.foot-grid{max-width:1120px;margin:0 auto;display:grid;gap:28px}
@media(min-width:800px){.foot-grid{grid-template-columns:1.2fr 1fr 1fr 1.2fr}}
.site-footer h4{font-family:var(--font-b);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:0 0 10px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--navy)}
.foot-bottom{max-width:1120px;margin:36px auto 0;padding:18px 0;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:14px}
.demo-credit{text-align:center;font-size:11px;color:#9ca3af;padding:8px 12px 16px;background:#fff}
/* property */
.tabs{display:flex;gap:6px;flex-wrap:wrap;padding:12px 0}
.tabs button{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:8px 14px;font:700 13px/1 var(--font-b);cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab-panel{display:none}.tab-panel.active{display:block}
.gallery-main{background:#0a1628;border-radius:16px;overflow:hidden;position:relative;aspect-ratio:16/10;min-height:280px}
.gallery-main img{width:100%;height:100%;object-fit:cover;margin:0 auto;background:#0a1628}
.gallery-thumbs{display:flex;gap:8px;overflow-x:auto;padding:10px 0}
.gallery-thumbs button{border:2px solid transparent;padding:0;border-radius:8px;background:none;cursor:pointer;flex:none}
.gallery-thumbs button[aria-current="true"]{border-color:var(--gold)}
.gallery-thumbs img{width:76px;height:56px;object-fit:cover;border-radius:6px}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}
@media(min-width:700px){.facts{grid-template-columns:repeat(3,1fr)}}
.fact{background:var(--navy);color:#fff;border-radius:14px;padding:14px;text-align:center}
.fact b{display:block;font-size:20px}
.fact span{display:block;font-size:12px;color:rgba(255,255,255,.7)}
.fact.ok b{color:#86efac}
/* 3d stage */
.stage{position:relative;height:min(64vh,620px);background:#071422;border-radius:16px;overflow:hidden}
.stage canvas{display:block;width:100%;height:100%;touch-action:none}
.hud{position:absolute;inset:0;pointer-events:none}
.hud>*{pointer-events:auto}
.toolbar{position:absolute;left:0;right:0;bottom:0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:10px;background:linear-gradient(transparent,rgba(7,45,89,.8))}
.toolbar button{border:0;border-radius:999px;padding:8px 12px;font:700 12px var(--font-b);background:#fff;color:var(--dark);cursor:pointer}
.toolbar button[aria-pressed="true"]{background:var(--gold)}
.room-pop,.inspect-pop{position:absolute;left:50%;transform:translateX(-50%);background:rgba(7,45,89,.88);color:#fff;padding:8px 14px;border-radius:10px;border:1px solid var(--gold);opacity:0;transition:opacity .25s;text-align:center;max-width:90%;pointer-events:none}
.room-pop{top:14%;font-family:var(--font-h);font-weight:700}
.inspect-pop{bottom:86px;font-size:13px;border-color:rgba(255,255,255,.3)}
.room-pop.show,.inspect-pop.show{opacity:1}
.minimap{position:absolute;right:10px;top:10px;width:110px;height:110px;border-radius:10px;border:1px solid var(--gold);background:rgba(7,45,89,.8);overflow:hidden}
.minimap canvas{width:100%;height:100%}
.joystick{position:absolute;left:12px;bottom:80px;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);display:none;touch-action:none}
.joystick .knob{position:absolute;left:50%;top:50%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;background:var(--gold)}
.playing .joystick{display:block}
.exit-play{position:absolute;right:10px;top:128px;display:none}
.playing .exit-play{display:inline-flex}
.plans-box{margin-top:16px;background:#071a36;color:#fff;border-radius:14px;padding:14px}
.plans-box h3{color:#fff}
.disclaimer{color:var(--gold);font-size:12px;font-weight:700}
.plan-grid{display:grid;gap:12px}
@media(min-width:800px){.plan-grid{grid-template-columns:1fr 1fr 1fr}}
.plan-card{background:#0a2a5a;border-radius:10px;padding:8px}
.plan-card svg{width:100%;height:auto;background:#071a36;border-radius:8px}
/* chatbot */
.ask-eng{position:fixed;right:16px;bottom:16px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.ask-eng > a,.ask-eng > button{background:var(--navy);color:#fff;border:0;border-radius:999px;padding:12px 16px;font:700 13px var(--font-b);box-shadow:0 8px 24px rgba(7,45,89,.3);cursor:pointer;text-decoration:none}
.ask-panel{display:none;width:min(380px,calc(100vw - 24px));height:min(560px,70vh);background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 16px 50px rgba(0,0,0,.25);border:1px solid var(--line)}
.ask-panel.open{display:block}
.ask-panel iframe{width:100%;height:100%;border:0}
/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(7,45,89,.92);display:none;align-items:center;justify-content:center;flex-direction:column;gap:10px;z-index:80;padding:16px}
.lightbox.open{display:flex}
.lightbox img{max-width:min(100%,920px);max-height:78vh;object-fit:contain;border-radius:12px}
.lightbox p{color:#fff;margin:0;text-align:center}
/* blueprint theme */
body.blueprint{background:#071a33;color:#d7ecff}
body.blueprint .site-header,body.blueprint .site-footer,body.blueprint .demo-credit,body.blueprint .bg-white,body.blueprint .bg-surface,body.blueprint .prop-card,body.blueprint .svc-card,body.blueprint .stat,body.blueprint .mobile-nav{background:#0a274c;color:#d7ecff;border-color:#4d7eb8}
body.blueprint h1,body.blueprint h2,body.blueprint h3,body.blueprint .brand .word b,body.blueprint .nav-main a,body.blueprint .section-title,body.blueprint .section-head h2{color:#eaf4ff}
body.blueprint .hero-bg:after{background:rgba(4,30,60,.35)}
body.blueprint img{filter:grayscale(1) contrast(1.35) brightness(1.1) invert(.12) sepia(.3) hue-rotate(180deg)}
body.blueprint .brand img,body.blueprint .ask-eng img{filter:none}
body.blueprint .page-hero,body.blueprint .bg-navy,body.blueprint .fact,body.blueprint .why{background:#062246}
body.blueprint .pill,body.blueprint .btn-ghost,body.blueprint .form-input,body.blueprint input,body.blueprint select,body.blueprint textarea{background:#0b2d57;color:#eaf4ff;border-color:#4d7eb8}
body.blueprint .btn-primary,body.blueprint .btn-navy,body.blueprint .btn-signup{background:#163e73;color:#fff}
body.blueprint .rule,body.blueprint .nav-main a[aria-current="page"]:after{background:#8ec7ff}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto}}
.hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(7,45,89,.8);color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;pointer-events:none;text-align:center}
.hint.hide{opacity:0;transition:opacity .5s}
.muted{color:var(--muted)}
.social{display:flex;gap:8px}
.social a{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--navy)}
.search-bar{max-width:640px;margin:20px auto 0}
.search-bar input{border-radius:999px;padding:14px 20px;background:#fff}
.filters{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.filters button{border:0;border-radius:999px;padding:8px 16px;background:rgba(255,255,255,.15);color:#fff;font-weight:600;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--gold-deep)}
.note-box{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:12px 14px;color:var(--muted);font-size:14px}

@media(max-width:700px){
  .page-hero{padding:20px 16px 18px}
  .page-hero h1{font-size:28px}
  .stage{height:min(54vh,460px)}
  .toolbar{padding:8px}
}
body.blueprint{
  background-image:linear-gradient(rgba(80,140,200,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(80,140,200,.09) 1px,transparent 1px);
  background-size:24px 24px;
}
body.blueprint .hero-bg{
  filter:grayscale(1) contrast(1.45) brightness(.8) sepia(.45) hue-rotate(190deg);
}
body.blueprint .hero-bg:after{background:linear-gradient(180deg,rgba(7,26,54,.6),rgba(7,26,54,.72))}
body.blueprint .site-header{background:rgba(7,26,54,.96)}
body.blueprint .demo-bar{background:#031226}