/* Advanced Building – advancedprefab.com */
@font-face{font-family:"Jost";src:url(../fonts/jost-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Jost";src:url(../fonts/jost-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Jost";src:url(../fonts/jost-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Nunito";src:url(../fonts/nunito-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Nunito";src:url(../fonts/nunito-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Nunito";src:url(../fonts/nunito-latin-800-normal.woff2) format("woff2");font-weight:800;font-display:swap}

:root{
  --green:#74C044; --green-dark:#5fa333;
  --navy:#071F4E; --blue:#1F6FA3;
  --ink:#111; --muted:#555; --line:#e6e9ee; --bg-alt:#f5f7fa;
  --head:"Jost","Futura","Century Gothic",system-ui,sans-serif;
  --body:"Nunito","Segoe UI",system-ui,sans-serif;
  --hdr:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--hdr)}
body{margin:0;font-family:var(--body);color:var(--ink);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(1200px,100% - 40px);margin-inline:auto}
.narrow{width:min(860px,100% - 40px)}
.center{text-align:center}
[hidden]{display:none!important}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{height:var(--hdr);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand img{height:48px;width:auto}
.nav{display:flex;align-items:center;gap:34px}
.nav>a{font-family:var(--body);font-weight:700;font-size:17px;text-decoration:none;color:#000;position:relative}
.nav>a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--green);transform:scaleX(0);transition:transform .2s}
.nav>a:hover::after{transform:scaleX(1)}
.social{display:flex;gap:12px;align-items:center}
.social a{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);transition:background .2s,transform .2s}
.social a:hover{background:var(--green);transform:translateY(-2px)}
.social svg{width:17px;height:17px;fill:#fff}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.2s}

/* hero */
.hero{min-height:calc(100vh - var(--hdr));min-height:calc(100svh - var(--hdr));display:grid;place-items:center;background:#fff}
.hero-inner{display:flex;flex-direction:column;align-items:center;gap:44px;padding:60px 0}
.hero-logo{width:min(560px,85vw);height:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--green);color:#fff;text-decoration:none;font-family:var(--body);font-weight:800;font-size:22px;padding:14px 40px;border-radius:50px;border:2px solid var(--green);cursor:pointer;transition:background .2s,transform .2s,box-shadow .2s}
.btn:hover{background:var(--green-dark);border-color:var(--green-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(116,192,68,.35)}
.btn-outline{background:transparent;color:var(--green-dark);font-size:18px;padding:10px 32px;margin-top:28px}
.btn-outline:hover{color:#fff}
.btn-outline span{font-weight:400;opacity:.75}
.btn-wa{font-size:18px;margin-top:20px}
.btn-wa svg{width:22px;height:22px;fill:#fff}

/* about */
.about{background:var(--navy);color:#e9eef7;padding:110px 0}
.about .lead{font-family:var(--body);font-weight:800;font-size:clamp(24px,3vw,32px);color:#fff;line-height:1.3;margin:0 0 26px}
.about .accent{color:var(--green)}
.about p{font-size:19px;text-align:justify;margin:0 0 22px}
.about h2{font-family:var(--body);font-weight:800;font-size:clamp(26px,3vw,31px);color:#fff;margin:60px 0 18px}

/* sections & galleries */
.section{padding:100px 0}
.section.alt{background:var(--bg-alt)}
.title{font-family:var(--head);font-weight:500;font-size:clamp(30px,4vw,40px);text-align:center;color:var(--navy);letter-spacing:.02em;margin:0 0 44px}
.title.sub{margin-top:100px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
@media (min-width:821px){#g-factory{grid-template-columns:repeat(3,1fr)}}
.g-item{display:block;aspect-ratio:4/3;overflow:hidden;border-radius:6px;background:#dde3ea;cursor:zoom-in}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.06)}

/* contact */
.contact p{font-family:var(--head);font-size:20px;margin:0 0 10px}
.contact a{text-decoration:none;color:var(--blue)}
.contact a:hover{text-decoration:underline}
.contact .btn{color:#fff;text-decoration:none}
.contact-name{font-weight:600;font-size:24px!important;margin-bottom:22px!important}
.sep{color:#bbb;margin:0 8px}

/* footer */
.site-footer{background:var(--navy);color:#cfd8e6;padding:46px 0}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.footer-inner>a{color:#fff;font-weight:700;text-decoration:none}
.site-footer .social a{background:rgba(255,255,255,.12)}
.site-footer .social a:hover{background:var(--green)}
.footer-inner p{margin:0;font-size:14px}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(4,14,36,.94);display:grid;place-items:center}
.lightbox img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:4px;box-shadow:0 10px 50px rgba(0,0,0,.5)}
.lightbox button{position:absolute;background:rgba(255,255,255,.1);border:0;color:#fff;font-size:42px;line-height:1;width:56px;height:56px;border-radius:50%;cursor:pointer}
.lightbox button:hover{background:var(--green)}
.lb-close{top:18px;right:18px;font-size:36px!important}
.lb-prev{left:18px;top:50%;transform:translateY(-50%)}
.lb-next{right:18px;top:50%;transform:translateY(-50%)}
.lb-count{position:absolute;bottom:18px;left:0;right:0;text-align:center;color:#cfd8e6;font-size:14px}

/* mobile */
@media (max-width:820px){
  :root{--hdr:64px}
  .brand img{height:40px}
  .nav-toggle{display:block}
  .nav{position:fixed;top:var(--hdr);left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 0 20px;transform:translateY(-120%);transition:transform .25s;z-index:-1}
  .nav.open{transform:none}
  .nav>a{padding:14px 0;width:100%;text-align:center}
  .nav>a::after{display:none}
  .social-nav{margin-top:10px}
  .nav-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .about{padding:70px 0}.section{padding:70px 0}.title.sub{margin-top:70px}
  .about p{text-align:left}
  .gallery{grid-template-columns:repeat(2,1fr);gap:8px}
  .btn{font-size:19px;padding:12px 32px}
  .sep{display:block;height:0;overflow:hidden}
  .lb-prev,.lb-next{top:auto!important;bottom:12px;transform:none!important}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}