/* ========== Design Tokens ========== */
:root{
  --bg:#0e1116; 
  --panel:#121621; 
  --panel-2:#0d111a;
  --text:#ecf1f7; 
  --muted:#a2afc6;
  --brand:#ff6a00; 
  --brand-2:#ffc499; 
  --accent:#2bd4ff;
  --line:#1d2535; 
  --maxw:1180px; 
  --r:14px;
}

/* ========== Base ========== */
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,Segoe UI,Roboto,Helvetica,Arial}
img{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:auto;padding:0 20px}

/* ========== Header / Nav ========== */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(14,17,22,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.brand span{font-weight:700;letter-spacing:.3px}
.nav a{margin-left:18px;color:var(--muted)}
.nav a:hover{color:var(--text)}

/* ========== Hero ========== */
.hero{display:grid;gap:28px;grid-template-columns:1.2fr .8fr;align-items:center;padding:72px 0 40px}
.eyebrow{color:var(--brand-2);text-transform:uppercase;font-size:12px;letter-spacing:.22em}
h1{font-size:clamp(28px,5vw,48px);line-height:1.15;margin:.1em 0 .2em}
.lead{color:var(--muted);font-size:18px;max-width:56ch}
.card{background:linear-gradient(180deg,#151a26,#0f131c);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.pill{display:inline-block;background:#1a2233;border:1px solid #253047;border-radius:999px;padding:5px 12px;color:var(--muted);font-size:12px;margin-left:8px}
.cta{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:10px;border:1px solid #273049;background:linear-gradient(135deg,var(--brand),#ff8f40);color:#111;font-weight:800;cursor:pointer}
.btn.secondary{background:#151a24;color:var(--text)}
.btn:focus{outline:2px solid var(--accent);outline-offset:2px}

/* ========== Sections ========== */
.section{padding:56px 0}
.section h2{font-size:28px;margin:0 0 10px}
.section p.lead{margin:6px 0 18px}

/* ========== Service Tiles / Grids ========== */
.grid{display:grid;gap:18px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.tile h3{margin:.3em 0 .2em;font-size:18px}

/* ========== Carousel (Projects) ========== */
.carousel{position:relative;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel-2)}
.track{display:flex;transition:transform .6s ease}
.slide{min-width:100%;height:380px;display:grid;place-items:center;background:#0f141e}
.slide img{width:100%;height:100%;object-fit:cover}
.car-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#101522;display:grid;place-items:center;cursor:pointer}
.car-btn:hover{background:#141a29}
.prev{left:10px}
.next{right:10px}
.dots{position:absolute;left:0;right:0;bottom:10px;display:flex;gap:8px;justify-content:center}
.dot{width:10px;height:10px;border-radius:50%;background:#5b6a86;opacity:.6;border:1px solid #8093b7;cursor:pointer}
.dot.active{opacity:1;background:#cfe3ff}

/* ========== Quote Form ========== */
form{display:grid;gap:12px}
.two{display:grid;gap:12px;grid-template-columns:1fr 1fr}
input,textarea,select{
  width:100%;padding:12px 14px;border-radius:10px;border:1px solid #273149;background:#0d121b;color:var(--text)
}
label{font-size:14px;color:#aebad3}
.small{font-size:12px;color:#9fb0c9}
.note{font-size:13px;color:#b6c3da}
.status{margin-top:10px;font-size:14px}
.ok{color:#67f59f}
.err{color:#ff8c8c}

/* Drag & Drop upload */
.drop{padding:16px;border:2px dashed #2a3550;border-radius:12px;background:#0b1019}
.drop.dragover{background:#0f1623;border-color:#3b4b70}
.files{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.chip{border:1px solid #2c3958;border-radius:999px;padding:4px 10px;font-size:12px;color:#c7d3ea;background:#121a2b}

/* ========== Materials Page (shared styles) ========== */
.page-title{font-size:clamp(26px,4.5vw,40px);margin:24px 0}
.section-compact{padding:32px 0}

/* ========== Footer ========== */
footer{padding:36px 0;color:#9aa6bd;border-top:1px solid var(--line)}
.foot{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap}

/* ========== Responsive ========== */
@media (max-width:960px){
  .hero{grid-template-columns:1fr}
  .cols-3{grid-template-columns:1fr}
  .slide{height:260px}
}