/* XINCO site shared styles — v4 multi-page */
:root{
  --ink:#1b2432; --paper:#faf7f1; --card:#ffffff;
  --brass:#b3873e; --brass-dark:#8f6c2e; --brass-light:#d8b877;
  --line:#e7dfd0; --muted:#7a7263;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;}
h1,h2,h3,.serif{font-family:Georgia,"Times New Roman",serif;}
img{max-width:100%;display:block;}
a{color:var(--brass-dark);text-decoration:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}

/* top bar */
.topbar{background:var(--ink);color:#f4efe6;}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap;}
.brand{font-family:Georgia,serif;font-size:26px;letter-spacing:4px;font-weight:700;color:#fff;text-decoration:none;}
.brand small{display:block;font-family:"Segoe UI",sans-serif;font-size:10.5px;letter-spacing:2.5px;color:var(--brass-light);font-weight:400;margin-top:2px;}
.topbar .contact{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.topbar .contact a.mail{color:#e9e2d3;font-size:13.5px;}
.btn{display:inline-block;padding:10px 20px;border-radius:6px;font-size:14.5px;font-weight:600;transition:all .18s ease;cursor:pointer;border:none;}
.btn-wa{background:#25a35a;color:#fff;}
.btn-wa:hover{background:#1e8a4c;}
.btn-brass{background:var(--brass);color:#fff;}
.btn-brass:hover{background:var(--brass-dark);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-sm{padding:8px 16px;font-size:13px;}

/* language selector (topbar) */
.lang-select{background:transparent;color:#f4efe6;border:1px solid #46536a;border-radius:6px;padding:7px 9px;font-size:12.5px;cursor:pointer;font-family:inherit;}
.lang-select:hover{border-color:var(--brass-light);}
.lang-select option{color:#1b2432;background:#fff;}

/* RTL (Arabic) */
html[dir="rtl"] body{font-family:Tahoma,"Segoe UI",Arial,sans-serif;}
html[dir="rtl"] .eyebrow{letter-spacing:0;}
html[dir="rtl"] .lb .lb-x{right:auto;left:24px;}
html[dir="rtl"] .lb .lb-prev{left:auto;right:18px;}
html[dir="rtl"] .lb .lb-next{right:auto;left:18px;}

/* nav */
nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
nav .wrap{display:flex;gap:6px;padding-top:0;padding-bottom:0;overflow-x:auto;}
nav a{display:block;padding:13px 11px;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;}
nav a:hover{color:var(--ink);border-bottom-color:var(--brass);}
nav a.active{color:var(--ink);border-bottom-color:var(--brass);font-weight:600;}

/* hero */
.hero{padding:60px 0 52px;}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.eyebrow{font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--brass-dark);font-weight:700;margin-bottom:16px;}
.hero h1{font-size:42px;line-height:1.15;margin-bottom:20px;font-weight:700;}
.hero p.lead{font-size:17.5px;color:#3d4657;margin-bottom:28px;max-width:520px;}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;border-top:1px solid var(--line);padding-top:22px;}
.stats b{display:block;font-family:Georgia,serif;font-size:24px;color:var(--brass-dark);}
.stats span{font-size:12.5px;color:var(--muted);letter-spacing:.3px;}
.hero-img{position:relative;}
.hero-img img{border-radius:10px;box-shadow:0 24px 60px rgba(27,36,50,.18);aspect-ratio:4/3.4;object-fit:cover;width:100%;}
.hero-img .tag{position:absolute;left:16px;bottom:16px;background:rgba(27,36,50,.82);color:#f0e9db;font-size:12px;padding:7px 13px;border-radius:5px;letter-spacing:.4px;}

section{padding:60px 0;}
section.alt{background:#f3eee4;}
.sec-head{max-width:680px;margin-bottom:34px;}
.sec-head h2{font-size:31px;margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:15.5px;}

.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:26px 24px;transition:transform .18s ease, box-shadow .18s ease;}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(27,36,50,.10);}
.card .ic{font-size:26px;margin-bottom:12px;}
.card h3{font-size:19px;margin-bottom:8px;}
.card p{font-size:14.5px;color:#4a5264;}

.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.step{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 14px;text-align:center;}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--brass-light);font-family:Georgia,serif;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;}
.step b{display:block;font-size:14.5px;margin-bottom:4px;}
.step span{font-size:12px;color:var(--muted);line-height:1.45;display:block;}

.cap{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;}
.cap .card ul{list-style:none;margin-top:6px;}
.cap .card li{font-size:14px;color:#4a5264;padding:5px 0 5px 20px;position:relative;}
.cap .card li::before{content:"◆";position:absolute;left:0;top:6px;font-size:9px;color:var(--brass);}
.qc-img{margin-top:16px;border-radius:8px;border:1px solid var(--line);}

.proj-note{background:var(--card);border-left:4px solid var(--brass);border-radius:0 8px 8px 0;padding:16px 20px;font-size:14px;color:#4a5264;margin-bottom:26px;max-width:820px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;max-width:900px;}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:14px;font-family:Georgia,serif;color:var(--ink);}

/* case tiles (linked, cross-page) */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;cursor:pointer;transition:transform .18s ease, box-shadow .18s ease;display:block;}
.case:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(27,36,50,.12);}
.case .cover{aspect-ratio:4/3;overflow:hidden;background:#efece5;}
.case .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.case:hover .cover img{transform:scale(1.04);}
.case .meta{padding:16px 16px 18px;}
.case .meta b{font-family:Georgia,serif;font-size:16.5px;display:block;margin-bottom:5px;color:var(--ink);}
.case .meta span{font-size:12.5px;color:var(--muted);display:block;line-height:1.5;}
.case .meta .view{margin-top:10px;font-size:12.5px;font-weight:700;color:var(--brass-dark);letter-spacing:.4px;}

/* photo grid with lightbox */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.pgrid.g2{grid-template-columns:repeat(2,1fr);}
.pgrid.g4{grid-template-columns:repeat(4,1fr);}
.pgrid figure{position:relative;margin:0;border-radius:10px;overflow:hidden;background:#efece5;cursor:zoom-in;border:1px solid var(--line);}
.pgrid figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .3s ease;}
.pgrid figure:hover img{transform:scale(1.03);}
.pgrid figure figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(27,36,50,.82));color:#f0e9db;font-size:12.5px;padding:22px 12px 10px;line-height:1.4;}
.pgrid.tall figure img{aspect-ratio:4/4.4;}

/* process strip blocks */
.proc-block{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;}
.proc-block b{display:block;font-family:Georgia,serif;font-size:16px;margin-bottom:4px;}
.proc-block span{font-size:13px;color:var(--muted);display:block;line-height:1.5;}
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.proc-grid .ph{border-radius:10px;overflow:hidden;border:1px solid var(--line);cursor:zoom-in;background:#efece5;}
.proc-grid .ph img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease;}
.proc-grid .ph:hover img{transform:scale(1.03);}
.proc-grid .ph .cap2{padding:12px 14px;background:#fff;}
.proc-grid .ph .cap2 b{font-family:Georgia,serif;font-size:15px;display:block;margin-bottom:3px;color:var(--ink);}
.proc-grid .ph .cap2 span{font-size:12.5px;color:var(--muted);line-height:1.45;display:block;}

/* tabs (custom work) */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.tab-btn{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:10px 20px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .15s ease;}
.tab-btn:hover{border-color:var(--brass);color:var(--ink);}
.tab-btn.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.tab-pane{display:none;}
.tab-pane.active{display:block;}

/* note card */
.note{background:#fff8ea;border:1px solid #ecd9ad;border-radius:8px;padding:14px 18px;font-size:13.5px;color:#6b5b2e;max-width:820px;margin-top:22px;}

/* drawing sheets — show full, no crop */
.pgrid.doc figure img{aspect-ratio:auto;object-fit:contain;background:#fff;}

/* home cta band */
.cta-band{background:var(--ink);border-radius:12px;padding:36px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:#b9b09c;font-size:14.5px;margin-top:6px;}

/* AI design */
.ai-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:start;}
.ai-hero{border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 44px rgba(27,36,50,.14);background:#fff;}
.ai-hero img{width:100%;aspect-ratio:4/3.4;object-fit:cover;}
.ai-hero .cap2{padding:14px 16px;font-size:13px;color:var(--muted);background:#fff;}
.ai-form{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px;}
.ai-form h3{font-size:20px;margin-bottom:6px;}
.ai-form p.sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.ai-form label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--muted);margin-bottom:5px;text-transform:uppercase;}
.ai-form textarea,.ai-form select,.ai-form input{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:7px;font-size:14.5px;font-family:inherit;background:#fffdf9;color:var(--ink);margin-bottom:14px;}
.ai-form textarea{min-height:96px;resize:vertical;}
.ai-form textarea:focus,.ai-form select:focus,.ai-form input:focus{outline:none;border-color:var(--brass);}
.ai-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.brief{background:#f6f1e6;border:1px dashed var(--brass);border-radius:8px;padding:14px 16px;font-size:13.5px;color:#4a4234;margin-bottom:14px;white-space:pre-wrap;display:none;}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(15,19,28,.94);z-index:200;display:none;align-items:center;justify-content:center;flex-direction:column;padding:28px;}
.lb.open{display:flex;}
.lb img{max-width:min(1000px,92vw);max-height:74vh;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.5);background:#0f131c;}
.lb .lb-cap{color:#efe8d9;font-size:14.5px;margin-top:16px;text-align:center;max-width:760px;line-height:1.5;}
.lb .lb-count{color:#b9b09c;font-size:12.5px;margin-top:6px;letter-spacing:1px;}
.lb button{cursor:pointer;}
.lb .lb-x{position:absolute;top:16px;right:24px;background:none;border:none;color:#fff;font-size:32px;line-height:1;}
.lb .lb-prev,.lb .lb-next{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.08);border:none;color:#fff;font-size:26px;width:52px;height:52px;border-radius:50%;}
.lb .lb-prev{left:18px;}
.lb .lb-next{right:18px;}
.lb .lb-prev:hover,.lb .lb-next:hover,.lb .lb-x:hover{background:rgba(255,255,255,.2);}
.lb .lb-x:hover{background:none;}

/* contact */
.rfq{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
form.rfq-form{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px;}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.4px;color:var(--muted);margin-bottom:5px;text-transform:uppercase;}
input,select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:7px;font-size:14.5px;font-family:inherit;background:#fffdf9;color:var(--ink);}
input:focus,select,textarea:focus{outline:none;border-color:var(--brass);}
select:focus,textarea:focus{outline:none;border-color:var(--brass);}
textarea{min-height:110px;resize:vertical;}
.form-btns{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap;}
.direct{background:var(--ink);color:#efe8d9;border-radius:12px;padding:28px;}
.direct h3{color:#fff;font-size:20px;margin-bottom:16px;}
.direct .row{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14.5px;}
.direct .row:last-of-type{border-bottom:none;}
.direct .row .k{color:var(--brass-light);min-width:86px;font-size:12px;letter-spacing:1.2px;text-transform:uppercase;padding-top:2px;}
.direct a{color:#fff;}
.direct small{display:block;color:#b9b09c;font-size:12px;margin-top:10px;line-height:1.5;}

/* page hero (subpages) */
.page-head{padding:46px 0 8px;}
.page-head h1{font-size:36px;margin-bottom:10px;}
.page-head p{color:var(--muted);font-size:16px;max-width:680px;}

footer{background:var(--ink);color:#a99f8a;padding:26px 0;font-size:13px;}
footer .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
footer a{color:#d8b877;}

@media(max-width:900px){
  .hero .wrap,.rfq,.ai-grid{grid-template-columns:1fr;}
  .cases{grid-template-columns:repeat(2,1fr);}
  .cards3,.cap,.pgrid,.pgrid.g4,.proc-grid{grid-template-columns:1fr 1fr;}
  .pgrid.g2{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .hero h1,.page-head h1{font-size:30px;}
}
@media(max-width:560px){
  .steps{grid-template-columns:repeat(2,1fr);}
  .frow,.ai-form .row2{grid-template-columns:1fr;}
  .cases,.cards3,.cap,.pgrid,.pgrid.g2,.pgrid.g4,.proc-grid{grid-template-columns:1fr;}
}

/* page cover banner */
.page-cover{border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:0 14px 36px rgba(27,36,50,.10);}
.page-cover img{width:100%;aspect-ratio:21/8;object-fit:cover;display:block;}