/* Wing Tai Decoration & Engineering Co. — static site stylesheet */
:root{
  --brown:#6b4a2e; --brown-dark:#4a321e; --gold:#c49a52; --gold-light:#e3c78e;
  --ink:#2b2b2b; --muted:#666; --line:#e5e1db; --bg:#fff; --bg-alt:#f6f3ef;
  --dark:#1f1f1f; --radius:4px;
  --font:"Noto Sans TC Variable","Noto Sans TC","PingFang HK","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.8;font-size:16px;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--brown);text-decoration:none}
a:hover,a:focus-visible{color:var(--gold)}
h1,h2,h3{line-height:1.3;margin:0 0 .6em;color:var(--brown-dark);font-weight:700}
.container{width:100%;max-width:1170px;margin:0 auto;padding:0 16px}
.narrow{max-width:860px;margin-left:auto;margin-right:auto}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:0;background:var(--brown);color:#fff;padding:8px 14px;z-index:100}
.skip-link:focus{left:8px}

/* top bar */
.topbar{background:var(--dark);color:#ccc;font-size:13px}
.topbar-inner{display:flex;justify-content:flex-end;min-height:38px;align-items:center}
.topbar-contact{list-style:none;margin:0;padding:0;display:flex;gap:22px;flex-wrap:wrap}
.topbar a{color:#ddd;display:inline-flex;align-items:center;gap:6px}
.topbar a:hover{color:var(--gold-light)}
.ico{width:14px;height:14px;display:inline-block;background:currentColor;
  -webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}
.ico-phone{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 0 0 6.6 6.6l2.2-2.2a1 1 0 0 1 1-.25 11.4 11.4 0 0 0 3.6.57 1 1 0 0 1 1 1V20a1 1 0 0 1-1 1A17 17 0 0 1 3 4a1 1 0 0 1 1-1h3.5a1 1 0 0 1 1 1c0 1.25.2 2.45.57 3.57a1 1 0 0 1-.25 1z'/%3E%3C/svg%3E")}
.ico-mail{-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2zm0 4-8 5-8-5V6l8 5 8-5z'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 4H4a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h16a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2zm0 4-8 5-8-5V6l8 5 8-5z'/%3E%3C/svg%3E")}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;transition:background .3s,box-shadow .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:16px}
.logo img{width:220px;height:auto}
.logo-white{display:none}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;align-items:center}
.site-nav a{display:block;padding:10px 14px;color:var(--ink);font-weight:600;font-size:15px;letter-spacing:.03em;border-bottom:2px solid transparent}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold)}
.lang-switch a{border:1px solid var(--gold);border-radius:var(--radius);padding:6px 12px;margin-left:8px;color:var(--brown)}
.lang-switch a:hover{background:var(--gold);color:#fff;border-bottom-color:var(--gold)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle .bar{display:block;width:26px;height:3px;background:var(--brown);margin:5px 0;border-radius:2px}

/* overlay header on home (over hero) */
@media (min-width:992px){
  .site-header.is-overlay{position:absolute;left:0;right:0;top:38px;background:transparent;border-bottom-color:rgba(255,255,255,.2)}
  .site-header.is-overlay .logo-dark{display:none}
  .site-header.is-overlay .logo-white{display:block}
  .site-header.is-overlay .site-nav a{color:#fff}
  .site-header.is-overlay .site-nav a:hover{color:var(--gold-light);border-bottom-color:var(--gold-light)}
  .site-header.is-overlay .lang-switch a{color:#fff;border-color:rgba(255,255,255,.7)}
  .site-header.is-overlay.is-stuck{position:fixed;top:0;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);border-bottom-color:var(--line)}
  .site-header.is-overlay.is-stuck .logo-dark{display:block}
  .site-header.is-overlay.is-stuck .logo-white{display:none}
  .site-header.is-overlay.is-stuck .site-nav a{color:var(--ink)}
  .site-header.is-overlay.is-stuck .lang-switch a{color:var(--brown);border-color:var(--gold)}
}

/* hero slider */
.hero{position:relative;min-height:520px;height:72vh;max-height:680px;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--dark)}
.slides,.slide,.hero-shade{position:absolute;inset:0}
.slide{background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity 1.4s ease,transform 7s linear}
.slide.is-active{opacity:1;transform:scale(1)}
.slide.s1{background-image:url("/assets/img/hk-harbour.jpg");background-position:60% 55%}
.hero-shade{background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.12) 40%,rgba(0,0,0,.12) 70%,rgba(0,0,0,.35))}
.hero-text{position:relative;text-align:center;padding-top:80px}
/* Banner heading — same arrangement as the original site:
   small gold company name above, large white "40+ years" line */
.hero .hero-name{color:var(--gold-light);font-size:clamp(15px,1.7vw,20px);font-weight:600;letter-spacing:.32em;
  margin:0 0 16px;text-shadow:0 1px 8px rgba(0,0,0,.75)}
.lang-en .hero .hero-name{letter-spacing:.14em;text-transform:uppercase}
.hero .hero-tagline{display:inline-block;color:#fff;font-size:clamp(28px,5.2vw,60px);font-weight:700;line-height:1.25;
  letter-spacing:.08em;margin:0;padding:.28em .8em;background:rgba(0,0,0,.32);
  border-top:2px solid var(--gold);border-bottom:2px solid var(--gold);text-shadow:0 2px 14px rgba(0,0,0,.55)}
.lang-en .hero .hero-tagline{letter-spacing:.02em;font-size:clamp(24px,3.3vw,46px)}

/* sections */
.section{padding:72px 0}
.section-title{text-align:center;font-size:clamp(24px,3vw,32px);position:relative;padding-bottom:18px;margin-bottom:32px}
.section-title::after{content:"";position:absolute;left:50%;bottom:0;width:60px;height:3px;background:var(--gold);transform:translateX(-50%)}
.section-title.light{color:#fff}
.lead{font-size:17px;color:#444}
.intro .lead{text-align:justify}
.services{background:var(--bg-alt)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.service{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 14px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.service:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.service-img{aspect-ratio:5/4;overflow:hidden}
.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.service:hover .service-img img{transform:scale(1.05)}
.service h3{font-size:20px;padding:22px 24px 0;margin-bottom:.4em}
.service p{padding:0 24px 26px;margin:0;color:var(--muted);font-size:15px}
.mission{background:linear-gradient(rgba(74,50,30,.88),rgba(74,50,30,.88)),url("/assets/uploads/2014/11/26F4EL6HIG-scaled.jpg") center/cover fixed;color:#f1e8dc}
.mission .lead{color:#f1e8dc;text-align:center}
.client-logos{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:24px;align-items:center}
.client-logos li{position:relative;display:flex;justify-content:center;align-items:center;min-height:90px}
.client-logos img{max-height:80px;width:auto;transition:opacity .35s}
.client-logos .color{position:absolute;opacity:0}
.client-logos li:hover .color{opacity:1}
.client-logos li:hover .bw{opacity:0}

/* inner page header */
.page-head{background:linear-gradient(rgba(31,31,31,.72),rgba(31,31,31,.72)),url("/assets/uploads/2014/11/26F4EL6HIG-scaled.jpg") center/cover;padding:64px 0;text-align:center}
.page-head h1{color:#fff;margin:0;font-size:clamp(28px,4vw,40px);letter-spacing:.06em}

/* about */
.about{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start}
.about-img{border-radius:var(--radius);box-shadow:0 6px 24px rgba(0,0,0,.12);width:100%}
.about-text p{margin:0 0 1.2em;text-align:justify}

/* projects */
.project{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;padding:44px 0;border-bottom:1px solid var(--line)}
.project:last-of-type{border-bottom:0}
.project.reverse .project-img{order:2}
.project-img{display:block;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.1)}
.project-img img{width:100%;transition:transform .5s}
.project-img:hover img{transform:scale(1.03)}
.project h2{font-size:24px;margin-bottom:.2em}
.tag{display:inline-block;background:var(--gold);color:#fff;font-size:13px;font-weight:600;padding:2px 12px;border-radius:20px;margin:0 0 1em}
.gallery{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:8px}
.gallery a{display:block;border-radius:3px;overflow:hidden;border:2px solid transparent}
.gallery a:hover{border-color:var(--gold)}
.gallery img{width:100%;aspect-ratio:1;object-fit:cover}
.closing{margin-top:40px;font-size:17px}

/* contact */
.contact{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:stretch}
.contact-card{background:var(--bg-alt);padding:32px;border-radius:var(--radius);border-top:4px solid var(--gold)}
.contact-card address{font-style:normal;margin:0 0 1.2em}
.contact-card dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.contact-card dt{font-weight:700;color:var(--brown-dark)}
.contact-card dd{margin:0}
.map{min-height:380px;border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px rgba(0,0,0,.1)}
.map iframe{width:100%;height:100%;min-height:380px;border:0;display:block}
.cta{background:var(--brown);color:#fff}
.cta h2{color:#fff;font-size:clamp(20px,3vw,28px)}
.btn{display:inline-block;background:var(--gold);color:#fff;padding:12px 26px;border-radius:var(--radius);font-weight:600;margin:6px;border:2px solid var(--gold)}
.btn:hover{background:transparent;color:var(--gold)}
.cta .btn:hover{color:#fff;border-color:#fff}
.btn-outline{background:transparent;color:var(--gold)}
.cta .btn-outline{color:#fff;border-color:rgba(255,255,255,.8)}

/* footer */
.site-footer{background:var(--dark);color:#aaa;font-size:14px;padding:26px 0;text-align:center}
.site-footer p{margin:0}
.site-footer a{color:#ddd}
.to-top{position:fixed;right:18px;bottom:18px;width:44px;height:44px;border-radius:50%;background:var(--gold);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 3px 10px rgba(0,0,0,.2);z-index:40}
.to-top[hidden]{display:none}
.to-top:hover{background:var(--brown);color:#fff}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:200;display:flex;align-items:center;justify-content:center;padding:40px 60px}
.lightbox[hidden]{display:none}
.lightbox figure{margin:0;text-align:center}
.lightbox img{max-width:100%;max-height:82vh;margin:0 auto;border-radius:3px}
.lightbox figcaption{color:#ddd;margin-top:10px;font-size:14px}
.lightbox button{position:absolute;background:none;border:0;color:#fff;font-size:44px;line-height:1;cursor:pointer;padding:10px;opacity:.8}
.lightbox button:hover,.lightbox button:focus-visible{opacity:1}
.lb-close{top:10px;right:16px}
.lb-prev{left:8px;top:50%;transform:translateY(-50%)}
.lb-next{right:8px;top:50%;transform:translateY(-50%)}
body.lb-open{overflow:hidden}

/* responsive */
@media (max-width:991px){
  .nav-toggle{display:block}
  .site-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 16px rgba(0,0,0,.08);display:none}
  .site-nav.is-open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;padding:8px 16px 16px}
  .site-nav a{border-bottom:1px solid var(--line)}
  .lang-switch a{margin:12px 0 0;text-align:center}
  .hero-text{padding-top:0}
  .service-grid{grid-template-columns:1fr 1fr}
  .about,.contact,.project{grid-template-columns:1fr;gap:24px}
  .project.reverse .project-img{order:0}
  .client-logos{grid-template-columns:repeat(3,1fr)}
  .mission{background-attachment:scroll}
}
@media (max-width:600px){
  .topbar-inner{justify-content:center}
  .header-inner{min-height:68px}
  .logo img{width:180px}
  .hero{min-height:440px;height:70vh}
  .hero .hero-tagline{padding:.3em .5em;letter-spacing:0;font-size:clamp(19px,6.4vw,28px)}
  .lang-en .hero .hero-tagline{font-size:clamp(20px,6vw,26px)}
  .hero .hero-name{letter-spacing:.18em}
  .section{padding:52px 0}
  .service-grid{grid-template-columns:1fr}
  .client-logos{grid-template-columns:repeat(2,1fr)}
  .lightbox{padding:50px 8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}