:root{
  --navy:#0F2A4A;--navy-2:#0B1F37;--navy-line:#22416A;
  --accent:#F5B700;--line-green:#05873B;
  --ink:#1B2430;--body:#33404F;--muted:#5B6675;
  --ground:#F5F7FA;--card:#FFFFFF;--border:#E3E8EF;--ph:#DCE3EC;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:'IBM Plex Sans Thai',system-ui,sans-serif;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--navy)}a:hover{color:#1F4E85}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
.hdr{background:var(--navy);color:#fff}
.hdr-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px;padding:14px 20px;max-width:1200px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.brand-mark{width:36px;height:36px;border-radius:8px;background:var(--accent);color:var(--navy);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.brand-mark img{width:36px;height:36px;border-radius:8px;object-fit:cover}
.brand-name{font-weight:700;font-size:22px}
.brand-name span{color:var(--accent)}
.nav{display:flex;flex-wrap:wrap;gap:4px 22px;flex:1 1 400px;font-size:15px}
.nav a{color:#fff;text-decoration:none;padding:10px 0}
.nav a:hover{color:var(--accent)}
.btn-line{background:var(--line-green);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:11px 18px;border-radius:8px}
.btn-line:hover{color:#fff;background:#04722F}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid #3A5677;border-radius:8px;color:#fff;cursor:pointer}
.mnav{display:none;flex-direction:column;padding:4px 20px 16px;border-top:1px solid var(--navy-line)}
.mnav a{color:#fff;text-decoration:none;padding:13px 0;border-bottom:1px solid var(--navy-line);font-size:16px}
.mnav a:last-child{border-bottom:0}
.hdr.open .mnav{display:flex}

/* hero */
.hero{background:var(--navy);color:#fff;padding:40px 0 72px}
.hero h1{margin:0;font-size:40px;line-height:1.3;max-width:760px}
.hero h1 span{color:var(--accent)}
.hero p{margin:14px 0 0;font-size:18px;color:#D4DEEA;max-width:680px}
.search{margin-top:26px;background:#fff;border-radius:14px;padding:12px;display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.search label{flex:1 1 180px;display:flex;flex-direction:column;gap:4px;font-size:13px;color:#4A5565;font-weight:500}
.search select{font:inherit;font-size:16px;color:var(--ink);padding:11px 10px;border:1px solid #CBD3DD;border-radius:8px;background:#fff}
.search button{flex:0 1 160px;font:inherit;font-size:16px;font-weight:700;background:var(--accent);color:var(--navy);border:0;border-radius:8px;padding:13px 20px;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;margin-top:18px}
.chips span{color:#B9C7D8}
.chips a{color:#fff;border:1px solid #3A5677;border-radius:999px;padding:6px 12px;text-decoration:none}

/* sections */
.sec{padding:40px 0 8px}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:18px}
h2.t{margin:0;font-size:28px;color:var(--navy);line-height:1.35}
.lead{margin:6px 0 20px;font-size:15px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.card{background:var(--card);border-radius:12px;overflow:hidden;border:1px solid var(--border);display:flex;flex-direction:column}
.card-img{position:relative;aspect-ratio:4/3;background:var(--ph);display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}
.card-img img{width:100%;height:100%;object-fit:cover}
.tag{position:absolute;top:10px;left:10px;background:var(--navy);color:#fff;font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.price{font-size:22px;font-weight:700;color:var(--navy)}
.card h3{margin:0;font-size:16px;line-height:1.45;font-weight:600}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a::after{content:"";position:absolute;inset:0}
.card{position:relative}
.loc{font-size:14px;color:var(--muted)}
.specs{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:#4A5565;border-top:1px solid #EEF1F5;padding-top:10px;margin-top:auto}
.areas{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.area-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px;text-decoration:none;display:flex;flex-direction:column;gap:2px}
.area-card b{font-size:16px;color:var(--navy)}
.area-card span{font-size:13px;color:var(--muted)}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.box{background:#fff;border-radius:12px;padding:22px;border:1px solid var(--border)}
.box h3{margin:0 0 8px;font-size:18px;color:var(--navy)}
.box p{margin:0;font-size:15px;color:#4A5565}
.faq{display:flex;flex-direction:column;gap:10px;max-width:860px}
.faq details{background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px 18px}
.faq summary{font-size:16px;font-weight:600;cursor:pointer;color:var(--navy)}
.faq p{margin:10px 0 0;font-size:15px;color:#4A5565}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pills a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:10px 16px;text-decoration:none;font-size:15px}

/* breadcrumb + detail */
.crumb{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;margin:18px 0 14px;padding:0;list-style:none}
.crumb li+li::before{content:"›";margin-right:6px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.badge{background:var(--navy);color:#fff;font-size:13px;font-weight:600;padding:4px 10px;border-radius:6px}
.badge.soft{background:#E6ECF3;color:var(--navy)}
.d-title{margin:0 0 6px;font-size:32px;line-height:1.35;color:var(--navy)}
.d-sub{margin:0 0 20px;font-size:15px;color:var(--muted)}
.price-m{display:none;margin:-6px 0 18px}
.price-m .p{font-size:28px;font-weight:700;color:var(--navy);line-height:1.2}
.old{text-decoration:line-through}
.gal{display:grid;grid-template-columns:2fr 1fr;grid-auto-rows:1fr;gap:10px;margin-bottom:28px}
.gal .ph{background:var(--ph);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;min-height:140px}
.gal .ph img{width:100%;height:100%;object-fit:cover}
.gal .main{grid-row:span 2;aspect-ratio:4/3}
.d-cols{display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start}
.d-main{flex:999 1 560px;min-width:0;display:flex;flex-direction:column;gap:28px}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}
.spec{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px}
.spec small{display:block;font-size:13px;color:var(--muted)}
.spec b{font-size:18px;color:var(--navy)}
.panel{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px}
.panel h2{margin:0 0 12px;font-size:22px;color:var(--navy)}
.panel p,.panel li{font-size:16px;line-height:1.8;color:var(--body)}
.panel p{margin:0 0 12px}
.panel ul{margin:0;padding-left:20px}
.aside{flex:1 1 300px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:12px;position:sticky;top:16px}
.aside .p{font-size:32px;font-weight:700;color:var(--navy);line-height:1.2}
.cta{display:block;text-decoration:none;font-weight:700;font-size:16px;padding:14px;border-radius:10px;text-align:center}
.cta.line{background:var(--line-green);color:#fff}
.cta.tel{background:var(--accent);color:var(--navy)}
.cta.out{border:1px solid var(--navy);color:var(--navy);font-weight:600;padding:13px}
.note{margin:4px 0 0;font-size:13px;color:var(--muted)}
.map-link{display:inline-block;margin-bottom:14px;font-weight:600}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.filters button{font:inherit;font-size:15px;padding:9px 16px;border-radius:999px;cursor:pointer;min-height:44px;background:#fff;color:var(--navy);border:1px solid #CBD3DD}
.filters button[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy);font-weight:600}
.empty{color:var(--muted);font-size:15px}

/* footer + mobile bar */
.ftr{background:var(--navy-2);color:#C9D4E2;margin-top:56px}
.ftr-row{display:flex;flex-wrap:wrap;gap:32px;padding:40px 20px;max-width:1200px;margin:0 auto;font-size:14px}
.ftr-row div{display:flex;flex-direction:column;gap:8px;flex:1 1 200px}
.ftr-row div:first-child{flex:2 1 300px}
.ftr b{color:#fff}
.ftr a{color:#C9D4E2}
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:1px solid var(--border);padding:10px 12px;gap:10px;box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.mbar a{flex:1;text-decoration:none;font-weight:700;font-size:16px;padding:13px;border-radius:10px;text-align:center}
.mbar .l{background:var(--line-green);color:#fff}
.mbar .t{background:var(--accent);color:var(--navy)}

@media (max-width:760px){
  .nav,.hdr-row>.btn-line{display:none}
  .menu-btn{display:flex}
  .mbar{display:flex}
  body{padding-bottom:76px}
  .hero{padding:28px 0 44px}
  .hero h1{font-size:30px}
  .d-title{font-size:25px}
  .price-m{display:block}
  .gal{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -20px 22px;padding:0 20px}
  .gal .ph,.gal .main{flex:0 0 86%;scroll-snap-align:center;aspect-ratio:4/3;grid-row:auto}
  .aside{position:static}
}

/* gallery v2: fixed 3-up layout on desktop, all photos in a viewer */
.gal{grid-template-rows:1fr 1fr}
.gal .ph{position:relative;min-height:0;cursor:zoom-in}
.gal .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.gal .more{position:absolute;right:10px;bottom:10px;background:rgba(15,42,74,.85);color:#fff;font-size:14px;font-weight:600;padding:8px 12px;border-radius:8px;pointer-events:none}
@media (min-width:761px){.gal .ph:nth-child(n+4){display:none}}
@media (max-width:760px){.gal .ph img{position:static}.gal .more{display:none}}
.lb{position:fixed;inset:0;z-index:50;background:rgba(5,12,22,.94);display:none;align-items:center;justify-content:center}
.lb.on{display:flex}
.lb img{max-width:94vw;max-height:84vh;object-fit:contain;border-radius:6px}
.lb button{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;border-radius:999px;width:48px;height:48px;font-size:26px;cursor:pointer}
.lb .x{top:16px;right:16px}.lb .pv{left:12px;top:50%;transform:translateY(-50%)}.lb .nx{right:12px;top:50%;transform:translateY(-50%)}
.lb .ct{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:#C9D4E2;font-size:14px}

/* lead form */
.lead{margin-top:14px;display:flex;flex-direction:column;gap:8px;padding:14px;border:1px solid rgba(0,0,0,.12);border-radius:12px;background:rgba(255,255,255,.6)}
.lead-h{font-weight:600;font-size:15px}
.lead input{padding:11px 12px;border:1px solid rgba(0,0,0,.18);border-radius:8px;font:inherit;width:100%;box-sizing:border-box;background:#fff;color:#111}
.lead .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.lead button.cta{border:0;cursor:pointer;width:100%;font:inherit}
.lead button[disabled]{opacity:.6}
.lead-msg{font-size:14px;min-height:1em}
.lead button.cta{background:#0f2a4a;color:#fff;font-weight:600;padding:12px;border-radius:10px}