/* ═══════════════════════════════════════════════════════════════
   PRODUCT SECTION — WEB3 BRIGHT & LIGHT
   File: static/css/product_w3.css  (replace existing)
═══════════════════════════════════════════════════════════════ */

/* ────────────────────────────────────────────────────────────
   1. SECTION BACKGROUND — cerah, hangat
──────────────────────────────────────────────────────────── */
#product {
  background:
    radial-gradient(ellipse 90% 55% at 50% -10%,  #c9304a 0%, transparent 60%),
    radial-gradient(ellipse 55% 45% at 90% 110%,  #d4af6a 0%, transparent 55%),
    linear-gradient(160deg, #2d0514 0%, #4a0c22 55%, #2a0a18 100%);
  position: relative;
  overflow: hidden;
}

/* Dot grid — satu elemen, ringan */
#product::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  z-index: 0;
}

#product .container { position: relative; z-index: 1; }

/* ────────────────────────────────────────────────────────────
   2. HEADER
──────────────────────────────────────────────────────────── */
#product .product-header .section-tag {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  color: #fce7a3;
  letter-spacing: .16em;
}
#product .product-header .section-title { color: #fff; }
#product .product-header .section-title span { color: #f5d27a; }
#product .product-header .divider {
  background: linear-gradient(90deg, transparent, rgba(245,210,122,.7), transparent);
  height: 1px;
  border: none;
  width: 160px;
  margin: 16px auto 0;
}

/* ────────────────────────────────────────────────────────────
   3. CARD — satu blur, border solid, no animated gradient
──────────────────────────────────────────────────────────── */
#product .product-card {
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.32);
  /* backdrop-filter dihapus — penyebab lag scroll di Android */
  overflow: hidden;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
  /* will-change dihapus dari card — terlalu banyak layer */
}
#product .product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 56px rgba(0,0,0,.35);
  border-color: rgba(245,210,122,.45);
}

/* Top highlight bar — pengganti animated border */
#product .product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #f5d27a, #c9304a, transparent);
  opacity: 0;
  transition: opacity .3s;
  z-index: 10;
}
#product .product-card:hover::before { opacity: 1; }

#product .product-visual,
#product .product-info { position: relative; z-index: 1; }

/* ────────────────────────────────────────────────────────────
   4. VISUAL PANEL
──────────────────────────────────────────────────────────── */
#product .product-visual {
  width: 300px;
  flex-shrink: 0;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Ringan: overlay gelap tipis */
#product .product-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.18);
  z-index: 1;
  pointer-events: none;
}

/* Grid lines CSS-only */
#product .product-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg,  transparent, transparent 30px, rgba(255,255,255,.04) 30px, rgba(255,255,255,.04) 31px),
    repeating-linear-gradient(90deg, transparent, transparent 30px, rgba(255,255,255,.04) 30px, rgba(255,255,255,.04) 31px);
  z-index: 2;
  pointer-events: none;
}

/* Glow blob — statis, bukan animasi terus menerus */
#product .product-bg-circle {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .6;
  z-index: 3;
  transition: opacity .3s;
}
#product .product-card:hover .product-bg-circle { opacity: .88; }

/* Emoji — float HANYA saat hover */
#product .product-emoji {
  font-size: 5.5rem;
  position: relative;
  z-index: 4;
  filter: drop-shadow(0 6px 18px rgba(0,0,0,.5));
  transition: transform .4s cubic-bezier(.2,0,.2,1);
  will-change: transform;
}
#product .product-card:hover .product-emoji {
  transform: translateY(-8px) scale(1.05);
}

/* Badge sudut */
#product .pv-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 5;
  background: rgba(0,0,0,.45);
  border: 1px solid rgba(255,255,255,.2);
  color: #f5d27a;
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 4px 11px;
  border-radius: 30px;
}

/* ────────────────────────────────────────────────────────────
   5. INFO PANEL
──────────────────────────────────────────────────────────── */
#product .product-info {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

#product .product-tag-pill {
  background: rgba(245,210,122,.15);
  border: 1px solid rgba(245,210,122,.35);
  color: #f5d27a;
  font-size: .67rem;
  letter-spacing: .16em;
  padding: 4px 13px;
  border-radius: 30px;
  margin-bottom: 12px;
  width: fit-content;
  text-transform: uppercase;
  display: inline-block;
}

#product .product-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.85rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 10px;
}

#product .product-desc {
  color: rgba(255,255,255,.68);
  font-size: .875rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* Feature chips */
#product .product-features {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
}
#product .pf-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: .76rem;
  color: rgba(255,255,255,.82);
  white-space: nowrap;
}
#product .pf-item::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #f5d27a;
  flex-shrink: 0;
}

/* Divider */
#product .product-info-divider {
  height: 1px;
  background: rgba(255,255,255,.1);
  border: none;
  margin: 4px 0 18px;
}

/* Price */
#product .product-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 700;
  color: #f5d27a;
  margin-bottom: 20px;
  line-height: 1;
}
#product .product-price span {
  font-size: .88rem;
  font-weight: 400;
  color: rgba(255,255,255,.45);
  font-family: 'DM Sans', sans-serif;
}

/* Buttons */
#product .product-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
#product .btn-buy {
  background: linear-gradient(135deg, #c9304a, #8F1B3A);
  color: #fff;
  padding: 11px 24px;
  border-radius: 30px;
  font-weight: 600;
  font-size: .875rem;
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 4px 16px rgba(143,27,58,.5);
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
  display: inline-block;
}
#product .btn-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(143,27,58,.7);
}
#product .btn-shopee {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(238,77,45,.18);
  border: 1px solid rgba(238,77,45,.4);
  color: #ffb09e;
  padding: 11px 16px;
  border-radius: 30px;
  font-size: .84rem;
  font-weight: 500;
  transition: background .2s;
  text-decoration: none;
}
#product .btn-shopee:hover { background: rgba(238,77,45,.32); }

/* ────────────────────────────────────────────────────────────
   6. SLIDER CONTROLS
──────────────────────────────────────────────────────────── */
#product .slider-controls { margin-top: 36px; }
#product .slider-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.85);
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
#product .slider-btn:hover {
  background: rgba(201,48,74,.45);
  border-color: rgba(201,48,74,.7);
}
#product .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  cursor: pointer;
  transition: background .2s, transform .2s;
}
#product .dot.active {
  background: #f5d27a;
  transform: scale(1.4);
}

/* ────────────────────────────────────────────────────────────
   7. RESPONSIVE
──────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  #product .product-card { flex-direction: column; }
  #product .product-visual { width: 100%; min-height: 200px; padding: 32px 0; }
  #product .product-info { padding: 22px 18px 26px; }
  #product .product-name { font-size: 1.55rem; }
  #product .product-price { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  #product .product-card,
  #product .product-emoji,
  #product .product-card::before { transition: none; }
}

/* ══ PERFORMANCE FIX ══
   Di mobile: matikan glow blob filter, kurangi transisi berat
════════════════════════ */
@media (max-width: 900px) {
  /* Glow blob pakai filter:blur — berat di mobile, matikan */
  #product .product-bg-circle {
    filter: none;
    opacity: .4;
    background: radial-gradient(circle, var(--blob-color, rgba(201,48,74,.5)), transparent 70%);
  }
  /* Kurangi shadow berat */
  #product .product-card {
    box-shadow: 0 4px 16px rgba(0,0,0,.3);
  }
  #product .product-card:hover {
    box-shadow: 0 10px 32px rgba(0,0,0,.4);
    transform: translateY(-3px);
  }
}