/* --- THEME VARIABLES (Slate & Silver Professional) --- */
:root {
    --nav-footer-bg: #334155;   /* Deep Slate */
    --nav-footer-text: #f1f5f9; /* Off-White/Silver text */
    --accent-green: #25D366;    /* WhatsApp Green */
    --accent-hover: #1eb954;
    --bg-light: #f8fafc;       
    --card-bg: #ffffff;        
    --text-main: #1e293b;      
    --white: #ffffff;
    --text-muted: #64748b;      /* Muted text for subtitles */
  }
  
  /* --- BASE STYLES --- */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, -apple-system, sans-serif;
  }
  
  body {
    background: var(--bg-light);
    color: var(--text-main);
    line-height: 1.6;
  }
  
  /* --- SLIM NAVIGATION --- */
  nav {
    background: var(--nav-footer-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  
  .nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 20px;
  }
  
  .logo {
    height: 42px;
    width: auto;
    display: block;
  }
  
  .nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
  }
  
  .nav-menu li a {
    color: var(--nav-footer-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    transition: 0.3s;
  }
  
  .nav-menu li a:hover {
    color: var(--accent-green);
  }
  
  /* --- MOBILE MENU (HAMBURGER) --- */
  .menu-checkbox {
    display: none;
  }
  
  .hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
  }
  
  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--nav-footer-text);
    border-radius: 2px;
  }
  
  /* --- BANNER CONTAINER --- */
  .banner-container {
      width: 100%;
      line-height: 0;
      background: var(--white);
      border-bottom: 3px solid var(--accent-green);
  }
  
  .banner-img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain;
  }
  
  /* --- SECTIONS --- */
  section {
    max-width: 1200px;
    margin: auto;
    padding: 50px 20px;
  }
  
  .section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    font-weight: 700;
    color: var(--nav-footer-bg);
  }
  
  /* --- PRODUCTS GRID --- */
  .products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
  }
  
  .product {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: 0.3s ease;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
  }
  
  .product:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
  }
  
  .product img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background-color: #ffffff;
    padding: 15px;
  }
  
  .product-content {
    padding: 20px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  
  .product-content h3 {
    font-size: 1.1rem;
    margin-bottom: 5px; /* Reduced to make room for h2 */
    color: var(--nav-footer-bg);
    font-weight: 600;
  }
  
  /* ADDED: Styling for the Subtitle (h2) in product cards */
  .product-content h2 {
    font-size: 0.95rem; /* Smaller than the title */
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 10px;
  }
  
  .product-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 15px;
  }
  
  /* --- WHATSAPP BUTTON --- */
  .whatsapp-btn {
    display: inline-block;
    align-self: center;
    background: var(--accent-green);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: 0.3s;
  }
  
  .whatsapp-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
  }
  
  /* --- FOOTER --- */
  footer {
    background: var(--nav-footer-bg);
    color: #cbd5e1;
    padding: 50px 20px;
    text-align: center;
    font-size: 0.9rem;
    border-top: 5px solid var(--accent-green);
  }
  
  footer strong {
      color: var(--white);
      font-size: 1.1rem;
  }
  
  /* --- FLOATING WHATSAPP --- */
  .floating-whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: var(--accent-green);
    padding: 14px;
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    z-index: 1000;
  }
  
  .floating-whatsapp img {
    width: 30px;
    height: 30px;
    display: block;
  }
  
  /* --- MOBILE RESPONSIVE --- */
  @media (max-width: 768px) {
    .hamburger {
      display: flex;
    }
  
    .nav-menu {
      position: absolute;
      top: 54px;
      left: 0;
      width: 100%;
      background: var(--nav-footer-bg);
      flex-direction: column;
      text-align: center;
      max-height: 0;
      overflow: hidden;
      transition: 0.4s ease-in-out;
    }
  
    .nav-menu li a {
      display: block;
      padding: 15px;
      border-top: 1px solid rgba(255,255,255,0.1);
    }
  
    .menu-checkbox:checked ~ .nav-menu {
      max-height: 350px;
    }
  
    .menu-checkbox:checked ~ .hamburger span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
    .menu-checkbox:checked ~ .hamburger span:nth-child(2) { opacity: 0; }
    .menu-checkbox:checked ~ .hamburger span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }
  }