:root{
  --sand:#E8E4DD; --sand2:#F4F1EC; --ink:#1C1C1A; --terra:#9C5A3C;
  --gold:#C8924E; --mut:#6B6660; --line:rgba(28,28,26,.12);
  --green:#25D366;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.eyebrow{letter-spacing:.2em;text-transform:uppercase;font-size:11px;color:var(--terra);font-weight:700}
.eyebrow.dark{color:var(--terra)}
h1,h2,h3,h4{font-family:'Cormorant Garamond',serif;font-weight:700;line-height:1.05}
h1{font-size:clamp(38px,5.5vw,68px);margin:14px 0}
h2{font-size:clamp(26px,3.2vw,40px);margin:10px 0 20px}
.lead{font-size:17px;max-width:560px;color:var(--mut);margin-top:16px}
.lead-light{font-size:16px;max-width:600px;color:rgba(255,255,255,.8)}
.btn{display:inline-block;background:var(--terra);color:#fff;padding:13px 28px;border-radius:2px;font-weight:600;text-decoration:none;transition:.25s;border:0;cursor:pointer;font-size:14px}
.btn:hover{background:var(--ink)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn.ghost:hover{background:rgba(255,255,255,.15)}
.btn-ghost-light{display:inline-block;color:#fff;padding:12px 24px;border:1px solid rgba(255,255,255,.5);border-radius:2px;text-decoration:none;transition:.25s}
.btn-ghost-light:hover{background:rgba(255,255,255,.15)}
.btn-large{padding:16px 36px;font-size:15px;margin-top:20px}

/* LANG BAR — REMOVED */

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:63px;width:auto;display:block}
.links{display:flex;gap:28px;align-items:center}
.links a{text-decoration:none;color:var(--ink);font-size:14px;font-weight:500;transition:.2s}
.links a:hover{color:var(--terra)}
.burger{display:none;background:none;border:0;font-size:22px;cursor:pointer}

/* HERO */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(28,28,26,.78) 0%,rgba(28,28,26,.35) 50%,rgba(28,28,26,.6) 100%);z-index:1}
.hero-in{position:relative;z-index:2;padding:80px 24px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;max-width:600px}
.hero-stats div{text-align:center;padding:14px;background:rgba(255,255,255,.08);border-radius:4px;border:1px solid rgba(255,255,255,.12)}
.hero-stats b{display:block;font-family:'Cormorant Garamond';font-size:28px;color:var(--gold)}
.hero-stats span{font-size:11px;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.1em}
.hero-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}

/* SECTIONS */
.sec{padding:88px 0}
.sec.dark{background:var(--ink);color:#fff}
.sec.sand{background:var(--sand2)}
.grid2{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}

/* ABOUT */
.ticks{list-style:none;margin-top:16px}
.ticks li{padding:10px 0 10px 28px;position:relative;border-bottom:1px solid var(--line);font-size:15px}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--terra);font-weight:700}
.ticks-light li{border-bottom-color:rgba(255,255,255,.12);color:rgba(255,255,255,.9)}
.about-img{border-radius:4px;overflow:hidden;box-shadow:0 20px 40px rgba(0,0,0,.15)}
.about-img img{width:100%;height:auto;display:block}
.mt20{margin-top:20px}.mt30{margin-top:30px}.mt40{margin-top:40px}.text-center{text-align:center}

/* LAYERS */
.layers{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:30px}
.layer{background:rgba(255,255,255,.06);padding:20px 16px;border-radius:4px;border:1px solid rgba(255,255,255,.12)}
.layer-num{color:var(--gold);font-size:24px;font-weight:700;font-family:'Cormorant Garamond'}
.layer h4{font-size:15px;margin:8px 0;font-weight:600}
.layer p{font-size:13px;color:rgba(255,255,255,.7);line-height:1.5}

/* COLLECTIONS */
.coll-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.coll-grid-lg{grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.coll-card{position:relative;height:240px;border-radius:4px;overflow:hidden;text-decoration:none;background-size:cover;background-position:center;transition:.35s;background-color:#222}
.coll-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(0,0,0,.22)}
.coll-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(28,28,26,.92) 0%,rgba(28,28,26,.35) 55%,rgba(28,28,26,.05) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:22px;color:#fff;transition:.35s}
.coll-card:hover .coll-overlay{background:linear-gradient(to top,rgba(156,90,60,.92) 0%,rgba(28,28,26,.45) 60%,rgba(28,28,26,.05) 100%)}
.coll-tag{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:700;margin-bottom:8px;display:inline-block}
.coll-overlay h3{font-size:22px;margin-bottom:6px;font-family:'Cormorant Garamond';font-weight:700}
.coll-overlay p{font-size:13px;color:rgba(255,255,255,.82);margin-bottom:10px;line-height:1.5}
.coll-arrow{font-size:18px;opacity:.85;transition:.3s;display:inline-block}
.coll-card:hover .coll-arrow{opacity:1;transform:translateX(4px)}
.about-img-tall img{max-height:620px;object-fit:cover;width:100%}

/* ADVANTAGES */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.adv-card{background:#fff;padding:30px 26px;border-radius:4px;border:1px solid var(--line);position:relative;transition:.3s}
.adv-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(28,28,26,.08);border-color:var(--terra)}
.adv-num{font-family:'Cormorant Garamond';font-size:42px;color:var(--terra);line-height:1;margin-bottom:14px;font-weight:700}
.adv-card h3{font-family:'Cormorant Garamond';font-size:24px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.adv-card p{font-size:14px;color:var(--mut);line-height:1.6}
.adv-card p strong{color:var(--terra)}

/* ADVANTAGES — DARK VARIANT */
.adv-grid-light{grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.adv-card-dark{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:#fff}
.adv-card-dark:hover{background:rgba(255,255,255,.09);border-color:var(--gold);box-shadow:0 12px 28px rgba(0,0,0,.3)}
.adv-card-dark h3{color:#fff}
.adv-card-dark p{color:rgba(255,255,255,.78)}
.adv-card-dark p strong{color:var(--gold)}
.adv-card-dark .adv-num{color:var(--gold)}
.adv-card-cta{background:var(--terra);border:1px solid var(--terra);grid-column:span 1}
.adv-card-cta:hover{background:#8a4e34;border-color:var(--gold);box-shadow:0 12px 28px rgba(0,0,0,.3)}
.adv-card-cta h3{color:#fff}
.adv-card-cta p{color:rgba(255,255,255,.92)}
.adv-card-cta .btn{background:#fff;color:var(--terra);margin-top:14px}
.adv-card-cta .btn:hover{background:var(--ink);color:#fff}

/* MATERIAL COMPARISON TABLE */
.compare-wrap{overflow-x:auto;margin-top:30px;border-radius:6px;box-shadow:0 6px 22px rgba(28,28,26,.08);border:1px solid var(--line)}
.compare-table{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff;min-width:820px}
.compare-table thead th{background:var(--ink);color:#fff;padding:18px 14px;text-align:left;font-family:'Cormorant Garamond';font-size:16px;font-weight:700;border-right:1px solid rgba(255,255,255,.08);vertical-align:top}
.compare-table thead th small{display:block;font-family:'Inter';font-size:11px;font-weight:400;color:rgba(255,255,255,.7);letter-spacing:.05em;margin-top:2px}
.compare-table thead th.ct-hero{background:var(--terra);color:#fff}
.compare-table thead th.ct-hero small{color:rgba(255,255,255,.85)}
.compare-table thead th.ct-property{background:#3a3a36}
.compare-table tbody td{padding:14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:middle;color:var(--mut);line-height:1.5}
.compare-table tbody tr:nth-child(even){background:var(--sand2)}
.compare-table tbody tr:hover{background:rgba(200,146,78,.07)}
.compare-table td.ct-property{font-weight:600;color:var(--ink);background:rgba(28,28,26,.03);font-size:13px}
.compare-table tbody tr:nth-child(even) td.ct-property{background:rgba(28,28,26,.05)}
.compare-table td.ct-hero{background:rgba(156,90,60,.08);color:var(--ink);font-weight:600;border-left:3px solid var(--terra)}
.compare-table tbody tr:nth-child(even) td.ct-hero{background:rgba(156,90,60,.12)}
.compare-table td.ct-hero strong,.compare-table td.ct-hero{color:var(--terra)}

/* XXL FULL-BLEED FEATURE */
.xxl-feature{position:relative;min-height:62vh;display:flex;align-items:center;color:#fff;background-size:cover;background-position:center;background-attachment:scroll;overflow:hidden}
.xxl-overlay{position:absolute;inset:0;background:linear-gradient(110deg,rgba(28,28,26,.85) 0%,rgba(28,28,26,.55) 50%,rgba(28,28,26,.35) 100%);z-index:1}
.xxl-in{position:relative;z-index:2;padding:80px 24px;max-width:680px}
.xxl-in h2{font-size:clamp(32px,4vw,52px);margin:10px 0 18px}
.xxl-in .eyebrow{color:var(--gold)}

/* PROJECTS */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.proj-card{height:220px;border-radius:4px;overflow:hidden;background-size:cover;background-position:center;position:relative;cursor:pointer}
.proj-info{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);color:#fff}
.proj-info span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold)}
.proj-info b{font-family:'Cormorant Garamond';font-size:20px;display:block;margin-top:4px}

/* LEED */
.leed-box{background:rgba(255,255,255,.06);padding:30px;border-radius:6px;border:1px solid rgba(255,255,255,.1)}
.leed-box h3{font-family:'Cormorant Garamond';font-size:24px;margin-bottom:20px;color:var(--gold)}
.leed-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.leed-grid div{background:rgba(255,255,255,.05);padding:18px;border-radius:4px;text-align:center}
.leed-grid b{font-family:'Cormorant Garamond';font-size:32px;color:var(--gold);display:block}
.leed-grid span{font-size:12px;color:rgba(255,255,255,.7)}

/* CTA / FORM */
.cta-box{text-align:center;max-width:760px;margin:0 auto}
.inquiry-form{max-width:600px;margin:30px auto 0;text-align:left}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:2px;font-family:'Inter';font-size:14px;background:#fff}
.inquiry-form textarea{resize:vertical;margin-bottom:12px}
.country-code-select{font-size:13px}
.contact-info-bar{display:flex;justify-content:center;gap:30px;margin-top:36px;flex-wrap:wrap;font-size:14px;color:var(--mut)}
.contact-info-bar a{color:var(--terra);text-decoration:none;font-weight:600}
.wa-btn{display:inline-flex;align-items:center;gap:6px;background:var(--green);color:#fff!important;padding:8px 18px;border-radius:20px;text-decoration:none!important;font-weight:600}
.wa-btn:hover{background:#1ebc5a}

/* FOOTER */
.foot{background:var(--ink);color:#cfc9c1;padding:48px 0 24px;font-size:13px}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-logo img{height:54px;width:auto;display:block;margin-bottom:8px;filter:brightness(0) invert(1)}
.foot a{display:block;color:#cfc9c1;text-decoration:none;padding:4px 0;transition:.2s}
.foot a:hover{color:var(--gold)}

/* SECTION WHATSAPP ICONS */
.wa-section{display:inline-flex;align-items:center;gap:6px;background:var(--green);color:#fff;padding:8px 16px;border-radius:20px;text-decoration:none;font-size:13px;font-weight:600;margin-top:16px}
.wa-section:hover{background:#1ebc5a}

/* RESPONSIVE */
@media(max-width:900px){
  .links{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .grid2{grid-template-columns:1fr}
  .coll-grid,.coll-grid-lg{grid-template-columns:repeat(2,1fr)}
  .proj-grid{grid-template-columns:1fr}
  .layers{grid-template-columns:1fr 1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
  .leed-grid{grid-template-columns:1fr 1fr}
  .adv-grid,.adv-grid-light{grid-template-columns:1fr 1fr}
  .xxl-feature{min-height:50vh}
  .xxl-in{padding:60px 24px}
  .about-img-tall img{max-height:420px}
  .compare-table{font-size:12.5px}
  .compare-table thead th,.compare-table tbody td{padding:11px 10px}
}
@media(max-width:600px){
  .coll-grid,.coll-grid-lg{grid-template-columns:1fr}
  .layers{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .adv-grid,.adv-grid-light{grid-template-columns:1fr}
}

/* ===== LANGUAGE CAPSULE (in nav) ===== */
.lang-capsule{position:relative;font-family:'Inter',system-ui,sans-serif;display:inline-flex;align-items:center}
.lang-capsule-btn{display:flex;align-items:center;gap:7px;background:#fff;color:var(--ink);border:1px solid var(--line);padding:8px 14px;border-radius:20px;cursor:pointer;font-size:13px;font-weight:600;transition:.2s;white-space:nowrap}
.lang-capsule-btn:hover{border-color:var(--terra);color:var(--terra);background:var(--sand2)}
.lang-capsule-flag{font-size:16px;line-height:1}
.lang-capsule-name{max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lang-capsule-arrow{font-size:9px;transition:.2s;opacity:.6}
.lang-capsule.open .lang-capsule-arrow{transform:rotate(180deg)}

.lang-capsule-list{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(28,28,26,.18);border:1px solid var(--line);max-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:.3s;min-width:240px;z-index:100}
.lang-capsule.open .lang-capsule-list{max-height:520px;overflow-y:auto;opacity:1;visibility:visible;padding:8px}
.lang-capsule-list::-webkit-scrollbar{width:6px}
.lang-capsule-list::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}

.lang-capsule-item{display:flex;align-items:center;gap:10px;width:100%;background:none;border:none;padding:9px 12px;border-radius:8px;cursor:pointer;font-size:13px;color:var(--ink);transition:.18s;text-align:left;font-family:inherit}
.lang-capsule-item:hover{background:var(--sand2)}
.lang-capsule-item.active{background:rgba(156,90,60,.1);color:var(--terra);font-weight:700}
.lang-capsule-item.active::after{content:'✓';margin-left:auto;color:var(--terra);font-weight:700}
.lang-capsule-item-flag{font-size:18px;line-height:1;flex-shrink:0}
.lang-capsule-item-name{flex-shrink:0;min-width:90px;font-weight:600}
.lang-capsule-item-label{font-size:11px;color:var(--mut);font-weight:400}

/* RTL support */
html[dir="rtl"] .lang-capsule-list{right:auto;left:0}
html[dir="rtl"] .lang-capsule-item{text-align:right;flex-direction:row-reverse}
html[dir="rtl"] .lang-capsule-item-name{min-width:auto}

/* ===== WHATSAPP FLOAT BUTTON ===== */
.wa-float{position:fixed;bottom:24px;right:24px;z-index:9998;display:flex;align-items:center;gap:10px;background:#25D366;color:#fff;padding:12px 20px 12px 14px;border-radius:50px;text-decoration:none;font-family:'Inter',system-ui,sans-serif;font-size:14px;font-weight:600;box-shadow:0 8px 24px rgba(37,211,102,.4);transition:.25s;border:2px solid rgba(255,255,255,.2)}
.wa-float:hover{background:#1ebc5a;transform:translateY(-3px);box-shadow:0 12px 32px rgba(37,211,102,.55)}
.wa-float-icon{width:30px;height:30px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:50%;color:#25D366}
.wa-float-icon svg{width:20px;height:20px;fill:currentColor}
.wa-float-label{white-space:nowrap}
.wa-float-pulse{position:absolute;top:-2px;right:-2px;width:14px;height:14px;background:#ff3b30;border-radius:50%;border:2px solid #fff;animation:waPulse 2s infinite}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(255,59,48,.6)}70%{box-shadow:0 0 0 10px rgba(255,59,48,0)}100%{box-shadow:0 0 0 0 rgba(255,59,48,0)}}

/* RTL: 移到左下角 */
html[dir="rtl"] .wa-float{right:auto;left:24px;flex-direction:row-reverse}

@media(max-width:600px){
  .wa-float{bottom:16px;right:16px;padding:10px 16px 10px 12px;font-size:13px}
  .wa-float-label{display:none}
  .wa-float{padding:10px;border-radius:50%}
  .wa-float-icon{width:26px;height:26px}
  .wa-float-icon svg{width:18px;height:18px}
}