/* ZHH Mobile Info — Premium dark theme */
:root{
  --bg:#070912;
  --bg-2:#0b1020;
  --panel:rgba(255,255,255,0.04);
  --panel-2:rgba(255,255,255,0.06);
  --border:rgba(255,255,255,0.08);
  --border-2:rgba(255,255,255,0.14);
  --text:#e9ecf5;
  --muted:#9aa3b8;
  --accent:#00e0ff;
  --accent-2:#7c5cff;
  --accent-3:#22d3a4;
  --danger:#ff5d6c;
  --shadow-lg: 0 30px 80px -20px rgba(0,0,0,0.6);
  --radius: 16px;
  --radius-lg: 22px;
  --grad: linear-gradient(135deg,#00e0ff 0%,#7c5cff 50%,#ff4ecd 100%);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(124,92,255,0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(0,224,255,0.15), transparent 60%),
    var(--bg);
  min-height:100vh;
  overflow-x:hidden;
  line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}

/* Animated background */
.bg-grid{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 70%);
  animation: gridShift 30s linear infinite;
}
@keyframes gridShift{from{background-position:0 0,0 0}to{background-position:560px 0,0 560px}}
.bg-orb{position:fixed;z-index:-1;border-radius:50%;filter:blur(80px);opacity:.55;pointer-events:none}
.orb-1{width:520px;height:520px;background:#7c5cff;top:-180px;right:-120px;animation:floatA 14s ease-in-out infinite}
.orb-2{width:420px;height:420px;background:#00e0ff;bottom:-150px;left:-120px;animation:floatB 16s ease-in-out infinite}
@keyframes floatA{50%{transform:translate(-30px,40px) scale(1.05)}}
@keyframes floatB{50%{transform:translate(40px,-30px) scale(1.08)}}

/* Header */
.site-header{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  backdrop-filter: blur(14px);
  background: rgba(7,9,18,0.6);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;gap:12px}
.logo-mark{
  display:inline-grid;place-items:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--grad);
  font-family:'Sora',sans-serif;font-weight:800;font-size:14px;color:#0a0d1a;
  letter-spacing:.5px;
  box-shadow:0 8px 24px -8px rgba(0,224,255,.5);
}
.logo-mark.sm{width:36px;height:36px;font-size:12px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:'Sora',sans-serif;font-weight:700;font-size:17px}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.4px}
.nav-actions{display:flex;gap:10px;align-items:center}
.wa-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:linear-gradient(135deg,#25d366,#128c7e);
  color:#04130a;font-weight:700;font-size:14px;
  box-shadow:0 10px 30px -10px rgba(37,211,102,.6);
  transition:transform .25s ease, box-shadow .25s ease;
}
.wa-btn:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(37,211,102,.7)}
.wa-btn svg{flex-shrink:0}

/* Hero */
.hero{padding:80px 28px 40px;text-align:center}
.hero-inner{max-width:920px;margin:0 auto;animation:fadeUp .8s ease both}
.eyebrow{
  display:inline-block;
  padding:6px 14px;border-radius:999px;
  background:var(--panel);border:1px solid var(--border);
  font-size:12px;letter-spacing:.6px;color:var(--muted);
  text-transform:uppercase;margin-bottom:22px;
}
.hero-title{
  font-family:'Sora',sans-serif;font-weight:800;
  font-size: clamp(40px, 6.5vw, 76px);
  line-height:1.05;letter-spacing:-1.5px;margin:0 0 18px;
}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  background-size:200% 200%;
  animation:gradMove 6s ease infinite;
}
@keyframes gradMove{50%{background-position:100% 50%}}
.hero-sub{
  color:var(--muted);
  font-size: clamp(15px, 1.4vw, 18px);
  max-width:680px;margin:0 auto 36px;
}

/* Search */
.search-wrap{
  position:relative;
  display:flex;align-items:center;gap:8px;
  max-width:720px;margin:0 auto;
  background:var(--panel);
  border:1px solid var(--border-2);
  padding:8px 8px 8px 18px;
  border-radius:999px;
  box-shadow:var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,0.05);
  transition:border-color .25s, transform .25s;
}
.search-wrap:focus-within{border-color:var(--accent);transform:translateY(-2px)}
.search-ic{color:var(--muted);flex-shrink:0}
#searchInput{
  flex:1;background:transparent;border:0;outline:0;
  color:var(--text);font-size:16px;padding:14px 8px;font-family:inherit;
}
#searchInput::placeholder{color:#6b738a}
.search-btn{
  padding:12px 24px;border-radius:999px;
  background:var(--grad);color:#0a0d1a;font-weight:700;font-size:14px;
  transition:transform .2s, box-shadow .2s;
  box-shadow:0 8px 24px -8px rgba(124,92,255,.6);
}
.search-btn:hover{transform:translateY(-1px);box-shadow:0 14px 32px -10px rgba(124,92,255,.8)}
.search-hint{margin-top:14px;font-size:13px;color:var(--muted)}

/* Sections */
.section{padding:48px 28px;max-width:1240px;margin:0 auto}
.section-head{margin-bottom:24px}
.section-head h2{
  font-family:'Sora',sans-serif;font-size:28px;letter-spacing:-.5px;margin:0 0 6px;
}
.section-head p{color:var(--muted);margin:0;font-size:14px}

/* Brand chips */
.brand-chips{display:flex;flex-wrap:wrap;gap:10px}
.brand-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:var(--panel);border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--text);
  transition:transform .2s, border-color .2s, background .2s;
}
.brand-chip:hover{transform:translateY(-2px);border-color:var(--accent);background:var(--panel-2)}
.brand-chip.active{
  background:var(--grad);color:#0a0d1a;border-color:transparent;
  box-shadow:0 10px 24px -10px rgba(124,92,255,.6);
}
.brand-chip .count{
  font-size:11px;padding:2px 8px;border-radius:999px;
  background:rgba(255,255,255,0.1);color:inherit;
}
.brand-chip.active .count{background:rgba(0,0,0,0.18)}
.skeleton-chip{
  width:120px;height:40px;border-radius:999px;
  background:linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  background-size:200% 100%;animation:shimmer 1.4s linear infinite;
}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}

/* Phone grid */
.phone-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(220px, 1fr));
  gap:18px;
}
.phone-card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:18px;
  transition:transform .3s ease, border-color .3s, box-shadow .3s, background .3s;
  cursor:pointer;
  position:relative;overflow:hidden;
  animation:fadeUp .6s ease both;
}
.phone-card::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(400px circle at var(--mx,50%) var(--my,0%), rgba(124,92,255,.18), transparent 50%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.phone-card:hover{transform:translateY(-6px);border-color:var(--border-2);box-shadow:var(--shadow-lg)}
.phone-card:hover::before{opacity:1}
.phone-card .img-wrap{
  aspect-ratio:1/1;
  border-radius:14px;background:#0e1326;
  display:grid;place-items:center;overflow:hidden;margin-bottom:12px;
  border:1px solid var(--border);
}
.phone-card img{max-height:100%;object-fit:contain;transition:transform .4s}
.phone-card:hover img{transform:scale(1.06)}
.phone-card .pname{font-weight:700;font-size:15px;line-height:1.3;margin:0 0 4px}
.phone-card .pbrand{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.phone-card .view{
  margin-top:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--accent);
}
.skeleton-card{
  height:300px;border-radius:var(--radius-lg);
  background:linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  background-size:200% 100%;animation:shimmer 1.4s linear infinite;
}

/* Pagination */
.pagination{
  display:flex;justify-content:center;align-items:center;gap:8px;margin-top:28px;flex-wrap:wrap;
}
.pagination button{
  padding:8px 14px;border-radius:10px;background:var(--panel);border:1px solid var(--border);
  font-size:13px;font-weight:600;transition:all .2s;color:var(--text);
}
.pagination button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.pagination button:disabled{opacity:.4;cursor:not-allowed}
.pagination .current{background:var(--grad);color:#0a0d1a;border-color:transparent}

/* Modal */
.modal{
  position:fixed;inset:0;z-index:60;
  display:grid;place-items:center;padding:20px;
  animation:fadeIn .25s ease;
}
.modal[hidden]{display:none !important}
.pagination[hidden]{display:none !important}
.modal-backdrop{
  position:absolute;inset:0;
  background:rgba(4,6,14,0.75);backdrop-filter:blur(8px);
}
.modal-card{
  position:relative;
  width:min(960px, 100%);
  max-height:90vh;overflow:auto;
  background:linear-gradient(180deg, #0e1326 0%, #0a0e1d 100%);
  border:1px solid var(--border-2);
  border-radius:24px;
  box-shadow:var(--shadow-lg);
  animation:popUp .35s cubic-bezier(.2,.8,.3,1.2);
}
.modal-close{
  position:sticky;top:14px;float:right;margin:14px 18px 0 0;
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,0.08);font-size:22px;color:#fff;
  display:grid;place-items:center;z-index:5;
  transition:background .2s, transform .2s;
}
.modal-close:hover{background:rgba(255,93,108,0.3);transform:rotate(90deg)}
.modal-content{padding:0 32px 32px;clear:both}
@keyframes popUp{from{opacity:0;transform:scale(.92) translateY(20px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* Phone detail layout */
.detail-head{
  display:grid;grid-template-columns:240px 1fr;gap:28px;align-items:start;
  padding:28px 0 24px;border-bottom:1px solid var(--border);margin-bottom:24px;
}
.detail-img{
  background:#0a0e1d;border:1px solid var(--border);border-radius:18px;
  aspect-ratio:1/1;display:grid;place-items:center;padding:14px;
}
.detail-img img{max-height:100%;object-fit:contain}
.detail-meta h2{font-family:'Sora',sans-serif;font-size:30px;margin:0 0 6px;letter-spacing:-.5px}
.detail-meta .brand-tag{
  display:inline-block;padding:4px 10px;border-radius:999px;
  background:var(--grad);color:#0a0d1a;font-size:11px;font-weight:700;
  letter-spacing:.6px;text-transform:uppercase;margin-bottom:14px;
}
.quick-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-top:14px;
}
.quick-cell{
  background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:10px 12px;
}
.quick-cell .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.quick-cell .v{font-size:13px;font-weight:600;margin-top:2px;word-break:break-word}

.spec-section{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  animation:fadeUp .4s ease both;
}
.spec-section summary{
  list-style:none;cursor:pointer;
  padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-family:'Sora',sans-serif;font-weight:700;font-size:15px;
  background:rgba(255,255,255,0.02);
  transition:background .2s;
}
.spec-section summary::-webkit-details-marker{display:none}
.spec-section summary:hover{background:rgba(255,255,255,0.04)}
.spec-section .chev{
  width:22px;height:22px;border-radius:50%;
  background:var(--panel-2);display:grid;place-items:center;
  transition:transform .25s;color:var(--accent);
}
.spec-section[open] .chev{transform:rotate(180deg)}
.spec-list{padding:6px 20px 18px}
.spec-row{
  display:grid;grid-template-columns:180px 1fr;gap:14px;
  padding:10px 0;border-bottom:1px dashed rgba(255,255,255,0.06);
  font-size:14px;
}
.spec-row:last-child{border-bottom:0}
.spec-row .label{color:var(--muted);font-weight:500}
.spec-row .value{color:var(--text);word-break:break-word}
.spec-row .value div{padding:2px 0}

/* Loader */
.loader{padding:80px 20px;text-align:center;color:var(--muted)}
.spinner{
  width:46px;height:46px;border-radius:50%;
  border:3px solid rgba(255,255,255,0.1);border-top-color:var(--accent);
  margin:0 auto 16px;animation:spin .9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.error-state{
  text-align:center;padding:60px 20px;color:var(--muted);
}
.error-state strong{display:block;color:var(--text);font-size:18px;margin-bottom:6px}
.empty-state{
  text-align:center;padding:60px 20px;color:var(--muted);
  background:var(--panel);border:1px dashed var(--border);border-radius:18px;
}

/* Footer */
.site-footer{
  margin-top:60px;
  border-top:1px solid var(--border);
  background:rgba(7,9,18,0.6);
  backdrop-filter:blur(8px);
}
.footer-inner{
  max-width:1240px;margin:0 auto;
  display:flex;justify-content:space-between;align-items:center;
  gap:18px;padding:24px 28px;flex-wrap:wrap;
}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand strong{display:block;font-family:'Sora',sans-serif}
.footer-brand span{display:block;font-size:12px;color:var(--muted)}
.footer-links{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.footer-links a{color:var(--accent);font-weight:600}

/* Responsive */
@media (max-width:720px){
  .site-header{padding:12px 16px}
  .brand-sub{display:none}
  .wa-btn{padding:9px 12px;font-size:12px}
  .hero{padding:50px 16px 30px}
  .section{padding:36px 16px}
  .search-wrap{padding:6px 6px 6px 14px}
  #searchInput{padding:12px 4px;font-size:14px}
  .search-btn{padding:10px 16px;font-size:13px}
  .detail-head{grid-template-columns:1fr;gap:18px;text-align:center}
  .detail-img{max-width:220px;margin:0 auto}
  .spec-row{grid-template-columns:1fr;gap:2px}
  .spec-row .label{font-size:12px;text-transform:uppercase;letter-spacing:.4px}
  .modal-content{padding:0 18px 24px}
  .footer-inner{flex-direction:column;text-align:center}
}