:root {
  --bg: #08080e;
  --bg2: #0e0e18;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --gold: #d4a843;
  --gold-dim: rgba(212,168,67,0.15);
  --red: #d42b2b;
  --red-dim: rgba(212,43,43,0.15);
  --text: #f0f0f0;
  --text-dim: #8a8a9a;
  --text-mid: #b0b0c0;
  --radius: 20px;
  --radius-sm: 12px;
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ========== BACKGROUND ORBS ========== */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}
.orb-1 { width:600px; height:600px; background:var(--gold); top:-200px; left:-200px; }
.orb-2 { width:500px; height:500px; background:var(--red); bottom:-150px; right:-150px; }
.orb-3 { width:400px; height:400px; background:#4a3aff; top:50%; left:50%; transform:translate(-50%,-50%); }

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--gold); border-radius:3px; }

/* ========== NAV ========== */
.nav {
  position: sticky; top:0; z-index:100;
  background: rgba(8,8,14,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 0 24px;
}
.nav-inner {
  max-width: 1400px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  height: 64px;
}
.nav-logo { display:flex; align-items:center; gap:16px; text-decoration:none; }
.nav-logo img { height:36px; }
.nav-logo .sep { color:var(--text-dim); font-weight:300; font-size:20px; }
.nav-tabs { display:flex; gap:4px; }
.nav-tab {
  padding: 8px 18px; border-radius:100px;
  font-size: 13px; font-weight:500; color:var(--text-dim);
  cursor:pointer; transition:all .3s; border:none; background:none;
  white-space:nowrap;
}
.nav-tab:hover { color:var(--text); background:rgba(255,255,255,0.06); }
.nav-tab.active { color:var(--bg); background:var(--gold); font-weight:600; }
.nav-shop {
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 20px; border-radius:100px;
  background:var(--gold); color:var(--bg);
  font-size:13px; font-weight:600;
  text-decoration:none; transition:all .3s;
}
.nav-shop:hover { background:#e0b84e; transform:scale(1.03); }

/* ========== HERO ========== */
.hero {
  position:relative;
  padding: 100px 24px 80px;
  text-align:center;
  overflow:hidden;
}
.hero::before {
  content:'';
  position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:800px; height:800px;
  background:radial-gradient(circle, var(--gold-dim) 0%, transparent 70%);
  pointer-events:none;
}
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 16px; border-radius:100px;
  background:var(--gold-dim);
  color:var(--gold); font-size:12px; font-weight:600;
  letter-spacing:1px; text-transform:uppercase;
  margin-bottom:24px;
  animation: fadeInUp .8s ease;
}
.hero h1 {
  font-size:clamp(2.5rem, 6vw, 5rem);
  font-weight:900;
  line-height:1.05;
  letter-spacing:-2px;
  margin-bottom:16px;
  animation: fadeInUp .8s ease .1s both;
}
.hero h1 span { color:var(--gold); }
.hero p {
  font-size:clamp(1rem, 2vw, 1.25rem);
  color:var(--text-dim); max-width:600px; margin:0 auto 40px;
  animation: fadeInUp .8s ease .2s both;
}
.hero-stats {
  display:flex; justify-content:center; gap:48px; flex-wrap:wrap;
  animation: fadeInUp .8s ease .3s both;
}
.hero-stat { text-align:center; }
.hero-stat .num {
  font-size:2.5rem; font-weight:800; color:var(--gold);
  line-height:1.1;
}
.hero-stat .label { font-size:12px; color:var(--text-dim); text-transform:uppercase; letter-spacing:1px; }

/* ========== SECTION ========== */
.section {
  max-width:1400px; margin:0 auto;
  padding: 60px 24px 40px;
}
.section-header {
  display:flex; align-items:center; gap:16px;
  margin-bottom:8px;
}
.section-icon { font-size:28px; line-height:1; }
.nav-tab i, .nav-shop i { font-size:15px; }
.section-title {
  font-size:clamp(1.5rem, 3vw, 2rem);
  font-weight:800;
  letter-spacing:-1px;
}
.section-sub {
  color:var(--text-dim); font-size:13px; font-weight:500;
  margin-bottom:32px; padding-left:44px;
  letter-spacing:1px;
}

/* ========== PRODUCT GRID ========== */
.grid {
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap:20px;
}

/* ========== PRODUCT CARD ========== */
.card {
  background: var(--card-bg);
  border:1px solid var(--card-border);
  border-radius: var(--radius);
  overflow:hidden;
  transition: all .4s cubic-bezier(.25,.46,.45,.94);
  position:relative;
  cursor:pointer;
}
.card:hover {
  border-color: rgba(212,168,67,0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--gold-dim);
}
.card-img-wrap {
  position:relative;
  height:320px;
  display:flex; align-items:center; justify-content:center;
  background: radial-gradient(ellipse at center, rgba(255,255,255,0.03) 0%, transparent 70%);
  overflow:hidden;
  padding:20px;
}
.card-img {
  max-height:100%; max-width:100%;
  object-fit:contain;
  transition:transform .5s cubic-bezier(.25,.46,.45,.94);
}
.card:hover .card-img { transform:scale(1.06); }
.card-badge {
  position:absolute; top:12px; left:12px;
  padding:4px 10px; border-radius:6px;
  font-size:11px; font-weight:700;
  text-transform:uppercase; letter-spacing:.5px;
}
.badge-5g { background:var(--red); color:#fff; }
.badge-4g { background:rgba(255,255,255,0.12); color:var(--text-mid); }
.badge-lte { background:rgba(74,58,255,0.3); color:#a0a0ff; }
.badge-soon {
  background:rgba(212,168,67,0.2); color:var(--gold);
  animation: pulse 2s infinite;
}
.card-body { padding:16px 20px 20px; }
.card-name {
  font-size:18px; font-weight:700;
  margin-bottom:2px;
}
.card-specs {
  font-size:12px; color:var(--text-dim);
  margin-bottom:12px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.card-highlights {
  display:flex; gap:8px; flex-wrap:wrap;
  margin-bottom:14px;
}
.card-hl {
  padding:4px 10px; border-radius:6px;
  background:rgba(255,255,255,0.06);
  font-size:11px; font-weight:500; color:var(--text-mid);
}
.card-bottom {
  display:flex; align-items:center; justify-content:space-between;
}
.color-dots { display:flex; gap:6px; }
.color-dot {
  width:22px; height:22px; border-radius:50%;
  border:2px solid rgba(255,255,255,0.18);
  cursor:pointer; transition:all .25s;
  position:relative;
}
.color-dot:hover, .color-dot.active {
  border-color:var(--gold);
  transform:scale(1.15);
  box-shadow:0 0 8px var(--gold-dim);
}
.card-cart {
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 14px; border-radius:10px;
  background:var(--gold); color:var(--bg);
  font-size:12px; font-weight:700;
  text-decoration:none; transition:all .3s;
  border:none; cursor:pointer;
}
.card-cart:hover { background:#e0b84e; transform:scale(1.05); }

/* ========== MODAL ========== */
.modal-overlay {
  position:fixed; inset:0; z-index:200;
  background:rgba(0,0,0,0.8);
  backdrop-filter:blur(10px);
  display:none; align-items:center; justify-content:center;
  padding:24px;
}
.modal-overlay.open { display:flex; }
.modal {
  background:var(--bg2);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  max-width:900px; width:100%;
  max-height:90vh; overflow-y:auto;
  position:relative;
  animation: zoomFromCard .35s cubic-bezier(.25,.46,.45,.94) forwards;
  --from-x: 0px;
  --from-y: 0px;
}
.card.is-zooming {
  transform: translateY(-6px) scale(1.06);
  transition: transform .18s cubic-bezier(.25,.46,.45,.94);
  z-index: 1;
}
.modal-close {
  position:absolute; top:16px; right:16px;
  width:36px; height:36px; border-radius:50%;
  background:rgba(255,255,255,0.08);
  border:none; color:var(--text); font-size:18px;
  cursor:pointer; transition:all .2s;
  display:flex; align-items:center; justify-content:center;
  z-index:10;
}
.modal-close:hover { background:rgba(255,255,255,0.15); }
.modal-content {
  display:grid; grid-template-columns:1fr 1fr; gap:0;
}
.modal-img-side {
  display:flex; align-items:center; justify-content:center;
  padding:40px;
  background:radial-gradient(ellipse at center, rgba(255,255,255,0.03) 0%, transparent 70%);
  min-height:400px;
}
.modal-img-side img {
  max-width:100%; max-height:400px; object-fit:contain;
}
.modal-info { padding:40px 32px; }
.modal-name { font-size:28px; font-weight:800; margin-bottom:4px; letter-spacing:-1px; }
.modal-sub { color:var(--text-dim); font-size:14px; margin-bottom:20px; }
.modal-spec-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:10px;
  margin-bottom:20px;
}
.modal-spec {
  padding:12px; border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.04);
}
.modal-spec .val { font-size:16px; font-weight:700; }
.modal-spec .lbl { font-size:11px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.5px; }
.modal-colors { margin-bottom:20px; }
.modal-colors-label { font-size:12px; color:var(--text-dim); margin-bottom:8px; text-transform:uppercase; letter-spacing:1px; }
.modal-color-dots { display:flex; gap:8px; }
.modal-color-dot {
  width:28px; height:28px; border-radius:50%;
  border:2px solid rgba(255,255,255,0.18);
  cursor:pointer; transition:all .25s;
}
.modal-color-dot:hover, .modal-color-dot.active {
  border-color:var(--gold);
  transform:scale(1.15);
}
.modal-color-name {
  font-size:13px; color:var(--text-mid); margin-top:6px;
}
.modal-cart {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:14px;
  background:var(--gold); color:var(--bg);
  font-size:15px; font-weight:700;
  text-decoration:none; transition:all .3s;
  border:none; cursor:pointer; width:100%; justify-content:center;
}
.modal-cart:hover { background:#e0b84e; }

/* ========== FOOTER ========== */
.footer {
  text-align:center;
  padding:60px 24px 40px;
  border-top:1px solid var(--card-border);
  margin-top:60px;
}
.footer-logos { display:flex; justify-content:center; gap:24px; align-items:center; margin-bottom:16px; }
.footer-logos img { height:32px; opacity:.6; }
.footer p { color:var(--text-dim); font-size:13px; margin-bottom:12px; }
.footer-link {
  display:inline-flex; align-items:center; gap:6px;
  color:var(--gold); text-decoration:none; font-weight:600; font-size:14px;
}
.footer-link:hover { text-decoration:underline; }

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
  from { opacity:0; transform:translateY(30px); }
  to { opacity:1; transform:translateY(0); }
}
@keyframes scaleIn {
  from { opacity:0; transform:scale(.95); }
  to { opacity:1; transform:scale(1); }
}
@keyframes zoomFromCard {
  from { opacity:0; transform:translate(var(--from-x), var(--from-y)) scale(0.12); }
  to   { opacity:1; transform:translate(0,0) scale(1); }
}
@keyframes pulse {
  0%, 100% { opacity:1; }
  50% { opacity:.6; }
}

/* Scroll reveal */
.reveal {
  opacity:0; transform:translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity:1; transform:translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width:768px) {
  .nav-tabs { display:none; }
  .grid { grid-template-columns:1fr 1fr; gap:12px; }
  .card-img-wrap { height:220px; padding:12px; }
  .card-body { padding:12px 14px 16px; }
  .card-name { font-size:15px; }
  .card-highlights { display:none; }
  .hero { padding:60px 20px 50px; }
  .hero-stats { gap:24px; }
  .modal-content { grid-template-columns:1fr; }
  .modal-img-side { min-height:250px; padding:24px; }
  .modal-info { padding:24px 20px; }
  .modal-spec-grid { grid-template-columns:1fr 1fr; gap:8px; }
}
@media (max-width:480px) {
  .grid { grid-template-columns:1fr; }
  .card-img-wrap { height:280px; }
}

/* Mobile nav toggle */
.nav-menu-btn {
  display:none; background:none; border:none;
  color:var(--text); font-size:24px; cursor:pointer;
}
@media(max-width:768px) {
  .nav-menu-btn { display:block; }
  .nav-tabs.open {
    display:flex; flex-direction:column;
    position:absolute; top:64px; left:0; right:0;
    background:rgba(8,8,14,0.95);
    backdrop-filter:blur(20px);
    padding:12px;
    border-bottom:1px solid var(--card-border);
  }
}

/* Image fallback */
.img-fallback {
  display:flex; align-items:center; justify-content:center;
  width:100%; height:100%;
  color:var(--text-dim); font-size:14px;
  background:rgba(255,255,255,0.02);
  border-radius:12px;
}