/* group.css — Wendaqi Group landing page styles */
:root{
  --container:1100px;
  --brand:#b30000;
  --muted:#6b7280;
  --glass: rgba(255,255,255,0.06);
  --card-shadow: 0 10px 30px rgba(11,17,32,0.06);
  --radius:12px;
  --bg:#fbfdff;
  --text:#071024;
  --accent-grad: linear-gradient(90deg,#e8272a,#ff914d);
  --gap:20px;
  font-size:16px;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,0.8);backdrop-filter:blur(6px);border-bottom:1px solid rgba(10,15,25,0.04);z-index:80}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-logo{height:65px;display:block}
.brand-name{font-weight:700;color:var(--text);font-size:1rem}
.top-nav{display:flex;gap:18px;align-items:center}
.top-nav a{color:var(--muted);text-decoration:none;font-weight:600;padding:8px;border-radius:8px}
.top-nav a:hover{color:var(--text);background:rgba(0,0,0,0.03)}

/* Hero / slideshow */
.hero{position:relative;min-height:420px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.slideshow{position:absolute;inset:0;height:100%}
.slide{position:absolute;inset:0;background-size:cover;background-position:center center;transition:opacity .6s ease, transform .6s ease;opacity:0;transform:scale(1.03)}
.slide:first-child{opacity:1;transform:scale(1)}
.hero-overlay{position:relative;z-index:2;display:flex;flex-direction:column;gap:16px;padding:48px 0;color:#fff}
.hero-copy{max-width:900px}
.hero h1{font-family:Inter,system-ui;font-size:34px;margin:0 0 8px;color:#fff;text-shadow:0 6px 30px rgba(0,0,0,0.35)}
.hero-lead{font-size:1.1rem;margin:0;color:#fff;text-shadow:0 6px 20px rgba(0,0,0,0.24)}
.hero-sub{margin-top:8px;color:rgba(255,255,255,0.92);max-width:700px}
.hero-cta{margin-top:18px;display:flex;gap:12px}
.btn{padding:10px 14px;border-radius:10px;text-decoration:none;font-weight:700}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 8px 20px rgba(232,39,42,0.14)}
.btn-ghost{background:rgba(255,255,255,0.14);color:#fff;border:1px solid rgba(255,255,255,0.12)}

/* slideshow controls */
.slideshow-controls{display:flex;align-items:center;gap:10px;margin-top:18px}
.ctrl{background:rgba(0,0,0,0.36);color:#fff;border:0;padding:8px 12px;border-radius:8px;cursor:pointer}
.dots{display:flex;gap:6px}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.5);border:0;cursor:pointer}
.dot.active{background:#fff}

/* About section */
.about{padding:48px 0}
.about h2{margin:0 0 10px}
.muted{color:var(--muted);line-height:1.6}

/* Subsidiary cards */
.subsidiaries{padding:36px 0 72px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;padding:18px;border-radius:12px;box-shadow:var(--card-shadow);display:flex;flex-direction:column;gap:12px;min-height:220px}
.card-logo{height:55px;object-fit:contain}
.card h3{margin:0;font-size:1.05rem}
.card p{margin:0;color:var(--muted);font-size:0.95rem}
.card-link{margin-top:auto;color:var(--brand);font-weight:700;text-decoration:none}

/* Footer */
.site-footer{border-top:1px solid rgba(10,15,25,0.04);padding:20px 0;background:#fff}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}

/* Responsive */
@media (max-width:980px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:28px}
}
@media (max-width:680px){
  .cards{grid-template-columns:1fr}
  .top-nav{display:none}
  .hero{min-height:520px}
  .hero-overlay{padding:40px 10px}
  .hero h1{font-size:24px}
  .hero-sub{font-size:0.95rem}
  .slideshow-controls{justify-content:center}
}