:root{--bg:#f5f9ff;--ink:#0f2747;--muted:#5b7089;--line:#dbe7f6;--accent:#1f6feb;
--font:"Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--font)}
h1,h2,h3{font-family:var(--font);font-weight:700;line-height:1.15;margin:0}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
section{padding:56px 0}
.btn{display:inline-block;background:var(--accent);color:#fff;border:0;padding:12px 22px;border-radius:99px;font:500 15px var(--font);cursor:pointer;text-decoration:none}
.btn.ghost{background:none;color:var(--ink);border:1px solid var(--ink)}
input,select,textarea{font:inherit;width:100%;padding:11px 13px;border-radius:10px;border:1px solid #b9d1f3;background:#fff}
.form{display:grid;gap:10px}
.form-msg{margin:6px 0 0;font-size:14px;color:#0a7a3d}
.muted{color:var(--muted);font-size:14px}
.lead{font-size:16px}

/* nav */
nav{position:sticky;top:0;z-index:5;background:#f5f9ffee;border-bottom:1px solid var(--line)}
nav .wrap{display:flex;justify-content:space-between;align-items:center;height:56px}
nav .logo{font:700 20px var(--font);text-decoration:none}
nav .logo span{color:var(--accent)}

/* hero */
#hero{position:relative;min-height:520px;color:#fff;display:flex;align-items:center;padding:0;overflow:hidden;background:#0f4fb8}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s}
.slide.on{opacity:1}
.slide img,.pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#082864d9,#08286466)}
#hero .in{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;width:100%;max-width:1100px;margin:0 auto;padding:50px 20px}
#hero h1{font-size:clamp(32px,5vw,52px);margin:0 0 12px}
.eyebrow{letter-spacing:.14em;text-transform:uppercase;font-size:12px;margin:0}
.hsub{font-size:17px;margin:0 0 20px}
#hero .box{background:#fff;color:var(--ink);border-radius:18px;padding:22px}
#hero .dots{position:absolute;z-index:3;bottom:18px;left:20px;display:flex;gap:8px}
#hero .dots i{width:10px;height:10px;border-radius:9px;background:#fff8;cursor:pointer}
#hero .dots i.on{background:#fff;width:26px}
@media(max-width:760px){#hero .in{grid-template-columns:1fr}}

/* projects */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 24px;align-items:center}
.filters input{flex:1;min-width:160px;width:auto}
.filters select{width:auto}
#types{display:contents}
.chip{font:inherit;font-size:14px;padding:8px 15px;border-radius:99px;border:1px solid var(--line);background:#fff;cursor:pointer}
.chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;cursor:pointer;text-decoration:none;display:block}
.card:hover{box-shadow:0 10px 26px #1f6feb33}
.pic{height:180px;position:relative;overflow:hidden}
.tag{position:absolute;z-index:2;left:12px;bottom:12px;background:#0f3c8cd9;color:#fff;font-size:12px;padding:3px 10px;border-radius:99px}
.card .b{padding:16px 18px}
.card h3{font-size:20px}
.price{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);display:flex;justify-content:space-between}
.price b{font:700 18px var(--font);color:var(--accent)}

/* detail */
#detail{padding:20px 20px 50px}
.dhero{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;margin-top:14px}
.dhero .pic{height:340px;border-radius:18px}
.dtitle{font-size:40px;margin:8px 0}
.dtype{text-transform:uppercase;letter-spacing:.1em}
.dprice{font:700 26px var(--font);color:var(--accent)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:28px 0}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}
.fact small{display:block;color:var(--muted);text-transform:uppercase;font-size:11px;letter-spacing:.08em}
.fact b{font-weight:500}
.feat{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.feat span{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 12px;font-size:13px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:12px}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;background:#dbe7f6}
@media(max-width:760px){.dhero{grid-template-columns:1fr}.dhero .pic{height:220px}.dtitle{font-size:32px}}

/* contact */
#contact{background:#e3eefc}
#contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px}
@media(max-width:760px){#contact .wrap{grid-template-columns:1fr}}
footer{text-align:center;padding:20px;color:var(--muted);font-size:13px}
footer p{margin:6px auto;max-width:900px}
.disc{font-size:12px}

/* extra form fields */
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.consent{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.4}
.consent input{width:auto;margin-top:2px}
.row2 select,.row2 input{min-width:0}
@media(max-width:420px){.row2{grid-template-columns:1fr}}

/* sticky mobile action bar */
.sticky-bar{display:none}
@media(max-width:760px){
  .sticky-bar{display:flex;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:9;padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));background:#fffffff2;border-top:1px solid var(--line)}
  .sticky-bar .btn{flex:1;text-align:center;padding:11px 8px;background-clip:padding-box}
  .sticky-bar .btn.ghost{background:#fff}
  footer{padding-bottom:80px}
}