:root{
  --bg:#14171a; --bg-alt:#1b1f23; --panel:#1f2428;
  --ink:#edf0f2; --ink-dim:#9aa4ac;
  --copper:#d98a3d; --copper-dim:#8a5c2b; --steel:#5a7d97;
  --line:#2b3136; --radius:2px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg); color:var(--ink); font-family:'IBM Plex Sans', sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased;}
h1,h2,h3,.brand{font-family:'Space Grotesk', sans-serif; font-weight:600; letter-spacing:-0.01em;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:1120px; margin:0 auto; padding:0 24px;}
.tick{color:var(--copper); font-family:'Space Grotesk',sans-serif; font-size:0.8rem; font-weight:600;}

header{position:sticky; top:0; z-index:50; background:rgba(20,23,26,0.92); backdrop-filter:blur(6px); border-bottom:1px solid var(--line);}
.bar{display:flex; align-items:center; justify-content:space-between; padding:14px 24px;}
.brand{display:flex; align-items:center; gap:10px; font-size:1.05rem; color:var(--ink);}
.brand img{width:34px; height:34px; object-fit:contain; flex-shrink:0;}
.brand span.sub{color:var(--ink-dim); font-family:'IBM Plex Sans',sans-serif; font-weight:400; font-size:0.75rem; display:block; margin-top:1px;}
nav{display:flex; gap:26px;}
nav a{font-size:0.9rem; color:var(--ink-dim); transition:color .2s;}
nav a:hover, nav a.active{color:var(--ink);}
.cta-btn{background:var(--copper); color:#14171a; font-weight:600; font-size:0.88rem; padding:10px 20px; border-radius:var(--radius); white-space:nowrap; border:1px solid var(--copper); transition:background .2s, color .2s; display:inline-block;}
.cta-btn:hover{background:transparent; color:var(--copper);}
.cta-ghost{border:1px solid rgba(237,240,242,0.35); color:var(--ink); padding:10px 20px; border-radius:var(--radius); font-size:0.88rem; font-weight:500; transition:border-color .2s, color .2s; display:inline-block;}
.cta-ghost:hover{border-color:var(--copper); color:var(--copper);}
.menu-toggle{display:none; background:none; border:none; color:var(--ink); font-size:1.4rem; cursor:pointer;}

/* Home hero */
.hero{position:relative; padding:100px 0 84px; border-bottom:1px solid var(--line); background-image: linear-gradient(100deg, rgba(12,14,16,0.94) 20%, rgba(12,14,16,0.7) 50%, rgba(12,14,16,0.38) 80%), url('hero-bg.jpg'); background-size:cover; background-position:center 65%;}
.hero-content{max-width:620px;}
.hero-tag{color:var(--copper); font-size:0.85rem; font-weight:600; margin-bottom:18px; display:flex; align-items:center; gap:8px;}
.hero-tag .dash{width:24px; height:1px; background:var(--copper);}
.hero h1{font-size:clamp(2.2rem, 4.6vw, 3.6rem); line-height:1.06; color:#fff; text-shadow:0 2px 20px rgba(0,0,0,0.3);}
.hero p.lead{color:#d7dbde; font-size:1.05rem; margin-top:22px; max-width:46ch;}
.hero-actions{display:flex; gap:14px; margin-top:32px; flex-wrap:wrap;}
.hero-actions .cta-btn, .hero-actions .cta-ghost{padding:13px 24px; font-size:0.95rem;}
.feature-row{display:flex; gap:30px; margin-top:40px; flex-wrap:wrap;}
.feature-item{display:flex; align-items:center; gap:10px;}
.feature-item svg{width:22px; height:22px; color:var(--copper); flex-shrink:0;}
.feature-item span{font-size:0.82rem; color:#c9ced2; font-weight:500;}

/* Interior page banner (About/Products/Services/Gallery/Contact) */
.page-head{position:relative; padding:64px 0 46px; border-bottom:1px solid var(--line); background-image: linear-gradient(100deg, rgba(12,14,16,0.95) 30%, rgba(12,14,16,0.75) 100%), url('hero-bg.jpg'); background-size:cover; background-position:center 60%;}
.page-head .tick{margin-bottom:12px; display:block;}
.page-head h1{font-size:clamp(1.8rem,3.4vw,2.6rem); color:#fff;}
.page-head p{color:#d7dbde; margin-top:12px; max-width:60ch; font-size:0.98rem;}
.breadcrumb{font-size:0.8rem; color:var(--ink-dim); margin-bottom:14px;}
.breadcrumb a:hover{color:var(--copper);}

section{padding:80px 0;}
.section-head{display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:44px; border-bottom:1px solid var(--line); padding-bottom:24px; flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem); max-width:22ch;}
.section-head p{color:var(--ink-dim); max-width:36ch; font-size:0.95rem;}

.card-hover{transition:transform .2s ease, box-shadow .2s ease;}
.card-hover:hover{transform:translateY(-3px); box-shadow:0 16px 30px -14px rgba(0,0,0,0.5);}

.about{background:var(--bg-alt); border-bottom:1px solid var(--line);}
.about-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;}
.about-grid p{color:var(--ink-dim); margin-top:16px;}
.stat-row{display:flex; gap:40px; margin-top:32px; flex-wrap:wrap;}
.stat b{display:block; font-family:'Space Grotesk',sans-serif; font-size:1.9rem; color:var(--copper);}
.stat span{color:var(--ink-dim); font-size:0.85rem;}
.about-panel{border:1px solid var(--line); border-radius:var(--radius); padding:32px; background:var(--panel);}
.about-panel ul{list-style:none;}
.about-panel li{padding:14px 0; border-top:1px solid var(--line); display:flex; gap:12px; color:var(--ink-dim); font-size:0.92rem;}
.about-panel li:first-child{border-top:none;}
.about-panel li .n{color:var(--copper); font-family:'Space Grotesk',sans-serif; font-weight:600; flex-shrink:0;}

/* Product category preview cards (Home) */
.cat-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.cat-card{background:var(--bg); overflow:hidden; display:block;}
.cat-card img{width:100%; aspect-ratio:4/3; object-fit:cover;}
.cat-card-body{padding:20px;}
.cat-card .tag{color:var(--copper); font-size:0.72rem; font-weight:600; margin-bottom:8px;}
.cat-card h3{font-size:0.98rem; margin-bottom:6px;}
.cat-card p{color:var(--ink-dim); font-size:0.82rem;}

/* Full product cards with photo galleries (Products page) */
.products-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.pcard{background:var(--bg); overflow:hidden; scroll-margin-top:90px;}
.pcard-gallery{position:relative; aspect-ratio:4/3;}
.pcard-scroll{display:flex; overflow-x:auto; scroll-snap-type:x mandatory; height:100%; scrollbar-width:none;}
.pcard-scroll::-webkit-scrollbar{display:none;}
.pcard-scroll img{flex:0 0 100%; width:100%; height:100%; object-fit:cover; scroll-snap-align:start;}
.pcard-nav{position:absolute; top:50%; transform:translateY(-50%); width:32px; height:32px; border-radius:50%; background:rgba(20,23,26,0.6); border:none; color:#fff; font-size:1rem; cursor:pointer; display:flex; align-items:center; justify-content:center;}
.pcard-nav.prev{left:8px;} .pcard-nav.next{right:8px;}
.pcard-dots{position:absolute; bottom:8px; left:0; right:0; display:flex; justify-content:center; gap:5px; pointer-events:none;}
.pcard-dots span{width:5px; height:5px; border-radius:50%; background:rgba(255,255,255,0.5);}
.pcard-body{padding:24px;}
.pcard .tag{color:var(--copper); font-size:0.76rem; font-weight:600; margin-bottom:10px;}
.pcard h3{font-size:1.05rem; margin-bottom:8px;}
.pcard p{color:var(--ink-dim); font-size:0.87rem;}

/* Services / process */
.process{background:var(--bg-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.step{padding:30px 26px; border-left:1px solid var(--line); transition:background .2s;}
.step:hover{background:rgba(217,138,61,0.06);}
.step:first-child{border-left:none;}
.step .num{font-family:'Space Grotesk',sans-serif; color:var(--copper-dim); font-size:1.6rem; margin-bottom:14px;}
.step h3{font-size:1rem; margin-bottom:8px;}
.step p{color:var(--ink-dim); font-size:0.86rem;}

.feat3{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:32px;}
.feat3-item{background:var(--bg); padding:26px;}
.feat3-item svg{width:26px; height:26px; color:var(--copper); margin-bottom:14px;}
.feat3-item h3{font-size:0.98rem; margin-bottom:6px;}
.feat3-item p{color:var(--ink-dim); font-size:0.85rem;}

/* Gallery page */
.gallery-grid{columns:3; column-gap:16px;}
.gallery-item{break-inside:avoid; margin-bottom:16px; border-radius:var(--radius); overflow:hidden; position:relative; border:1px solid var(--line);}
.gallery-item img{width:100%; display:block;}
.gallery-cap{position:absolute; left:0; right:0; bottom:0; padding:10px 12px; background:linear-gradient(0deg, rgba(0,0,0,0.75), transparent); font-size:0.78rem; color:#fff;}

.faq-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px;}
.hours-card{border:1px solid var(--line); border-radius:var(--radius); background:var(--panel); overflow:hidden;}
.hours-row{display:flex; justify-content:space-between; padding:16px 22px; border-top:1px solid var(--line);}
.hours-row:first-child{border-top:none;}
.hours-row .k{color:var(--ink-dim); font-size:0.88rem;}
.hours-row .v{font-weight:600; font-family:'Space Grotesk',sans-serif; font-size:0.92rem;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{padding:18px 4px; cursor:pointer; font-weight:600; font-family:'Space Grotesk',sans-serif; font-size:0.96rem; display:flex; justify-content:space-between; align-items:center; list-style:none; gap:12px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+'; color:var(--copper); font-size:1.3rem; flex-shrink:0; transition:transform .2s;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{color:var(--ink-dim); padding:0 4px 18px; font-size:0.9rem; max-width:52ch;}

.contact-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:56px;}
.contact-list{list-style:none;}
.contact-list li{padding:16px 0; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;}
.contact-list li:first-child{border-top:none;}
.contact-list .k{color:var(--ink-dim); font-size:0.85rem;}
.contact-list .v{font-weight:500; text-align:right;}
.contact-list .v:hover{color:var(--copper);}
.chip-row{display:flex; gap:10px; margin-top:22px; flex-wrap:wrap;}
.chip{display:inline-flex; align-items:center; gap:7px; border:1px solid var(--line); padding:9px 15px; border-radius:20px; font-size:0.82rem; transition:border-color .2s, color .2s;}
.chip:hover{border-color:var(--copper); color:var(--copper);}
.chip svg{width:15px; height:15px;}
.form-panel{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:20px; overflow:hidden;}
.form-panel h3{padding:0 4px; margin-bottom:4px;}
.form-panel p.hint{color:var(--ink-dim); font-size:0.85rem; padding:0 4px; margin-bottom:16px;}
.form-panel iframe{width:100%; height:640px; border:none; border-radius:2px; background:#fff;}

.cta-band{background:var(--bg-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); text-align:center;}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem); max-width:26ch; margin:0 auto 14px;}
.cta-band p{color:var(--ink-dim); max-width:50ch; margin:0 auto 28px;}
.cta-band .hero-actions{justify-content:center;}

footer{border-top:1px solid var(--line); padding:32px 0;}
.foot-row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
.foot-brand{display:flex; align-items:center; gap:10px;}
.foot-brand img{width:26px; height:26px;}
.foot-row p{color:var(--ink-dim); font-size:0.85rem;}
.foot-links{display:flex; gap:20px;}
.foot-links a{color:var(--ink-dim); font-size:0.85rem;}
.foot-links a:hover{color:var(--copper);}

@media (max-width:860px){
  nav{display:none;}
  .menu-toggle{display:block;}
  .about-grid, .contact-grid, .faq-grid{grid-template-columns:1fr;}
  .products-grid, .cat-grid{grid-template-columns:1fr 1fr;}
  .steps, .feat3{grid-template-columns:1fr;}
  .step{border-left:none; border-top:1px solid var(--line);}
  .step:first-child{border-top:none;}
  .hero, .page-head{background-position:70% center;}
  .gallery-grid{columns:2;}
  nav.open{display:flex; flex-direction:column; position:absolute; top:60px; left:0; right:0; background:var(--bg-alt); border-bottom:1px solid var(--line); padding:20px 24px; gap:18px; z-index:60;}
}
@media (max-width:560px){
  .products-grid, .cat-grid{grid-template-columns:1fr;}
  .form-panel iframe{height:560px;}
  .header-cta{display:none;}
  .gallery-grid{columns:1;}
}

/* AI chat widget */
.chat-toggle{position:fixed; right:22px; bottom:22px; z-index:80; width:60px; height:60px; border-radius:50%; background:var(--copper); border:none; cursor:pointer; display:flex; align-items:center; justify-content:center; box-shadow:0 8px 20px -6px rgba(0,0,0,0.55); transition:transform .15s ease; padding:0;}
.chat-toggle:hover{transform:scale(1.06);}
.chat-toggle img{width:36px; height:36px; object-fit:contain;}
.chat-panel{position:fixed; right:22px; bottom:94px; z-index:80; width:350px; max-width:calc(100vw - 44px); height:470px; max-height:70vh; background:var(--panel); border:1px solid var(--line); border-radius:6px; display:none; flex-direction:column; overflow:hidden; box-shadow:0 24px 48px -12px rgba(0,0,0,0.6);}
.chat-panel.open{display:flex;}
.chat-head{padding:16px 18px; border-bottom:1px solid var(--line); display:flex; align-items:center; gap:10px;}
.chat-head img{width:28px; height:28px;}
.chat-head h4{font-size:0.95rem;}
.chat-head span{display:block; font-size:0.72rem; color:var(--ink-dim); font-weight:400; font-family:'IBM Plex Sans',sans-serif; margin-top:2px;}
.chat-close{margin-left:auto; background:none; border:none; color:var(--ink-dim); font-size:1.3rem; cursor:pointer; line-height:1; padding:6px; margin-right:-6px;}
.chat-close:hover{color:var(--ink);}
.chat-messages{flex:1; overflow-y:auto; padding:16px 18px; display:flex; flex-direction:column; gap:12px;}
.msg{max-width:85%; padding:10px 13px; border-radius:6px; font-size:0.88rem; line-height:1.5; white-space:pre-wrap;}
.msg.bot{background:var(--bg-alt); border:1px solid var(--line); align-self:flex-start; border-bottom-left-radius:2px;}
.msg.user{background:var(--copper); color:#14171a; align-self:flex-end; border-bottom-right-radius:2px;}
.msg.typing{color:var(--ink-dim); font-style:italic;}
.msg.msg-photos{background:none; border:none; padding:0; display:flex; gap:6px; flex-wrap:wrap; max-width:100%;}
.msg.msg-photos img{width:110px; height:82px; object-fit:cover; border-radius:6px; border:1px solid var(--line);}
.chat-input-row{display:flex; gap:8px; padding:14px; border-top:1px solid var(--line);}
.chat-input-row input{flex:1; background:var(--bg); border:1px solid var(--line); color:var(--ink); padding:10px 12px; border-radius:4px; font-family:inherit; font-size:16px;}
.chat-input-row input:focus{outline:none; border-color:var(--copper);}
.chat-input-row button{background:var(--copper); color:#14171a; border:none; border-radius:4px; padding:0 16px; font-weight:600; cursor:pointer; font-size:0.85rem;}
.chat-input-row button:disabled{opacity:0.5; cursor:not-allowed;}
@media (max-width:480px){
  .chat-panel{right:12px; left:12px; width:auto; bottom:86px;}
  .chat-toggle{right:16px; bottom:16px;}
}