/* =========================
BASE RESET
========================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: Vazirmatn, sans-serif;
    background: #f5f6f8;
    color: #111;
  }
  
  /* =========================
  HERO
  ========================= */
  
  img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
    border-bottom: 4px solid #e0bc1b;
  }
  
  /* hero content wrapper */
  .hero__content {
    max-width: 1100px;
    margin: 20px auto 0;
    padding: 0 16px;
  }
  
  .hero__content h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-top: 10px;
  }
  
  /* badge (generic) */
  .badge {
    display: inline-block;
    background: #e0bc1b;
    color: #111;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
  }
  
  /* =========================
  PANEL (DETAIL CARD)
  ========================= */
  
  .panel {
    background: #fff;
    margin: 30px auto;
    padding: 20px;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    max-width: 1100px;
  }
  
  .panel h2 {
    margin-bottom: 20px;
  }
  
  /* =========================
  GRID SYSTEM
  ========================= */
  
  .grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  
  .grid__item {
    background: #f8f9fa;
    padding: 12px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  
  .grid__item span {
    font-size: 0.85rem;
    color: #666;
  }
  
  .grid__item strong {
    color: #111;
  }
  
  /* full width cell */
  .grid__item--full {
    grid-column: 1 / -1;
  }
  
  /* =========================
  PRICE SECTION
  ========================= */
  
  .price {
    display: flex;
    justify-content: center;
    margin: 30px 0;
  }
  
  .price__box {
    background: #fff;
    padding: 20px;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    text-align: center;
    min-width: 250px;
  }
  
  .price__old {
    text-decoration: line-through;
    color: #999;
  }
  
  .price__new {
    font-size: 1.4rem;
    font-weight: bold;
  }
  
  /* =========================
  ACTIONS
  ========================= */
  
  .actions {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
  }
  
  .btn {
    background: #e0bc1b;
    color: #111;
    padding: 10px 18px;
    border-radius: 10px;
    text-decoration: none;
    display: inline-block;
    transition: 0.2s ease;
  }
  
  .btn:hover {
    background: #cfae19;
  }
  
  /* =========================
  RESPONSIVE
  ========================= */
  
  @media (max-width: 900px) {
    .grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (max-width: 600px) {
    .grid {
      grid-template-columns: 1fr;
    }
  }