* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html, body {
      height: 100%;
    }

    body {
      background: #000000;
      display: flex;
      flex-direction: column;
      font-family: 'Space Grotesk', 'Poppins', sans-serif;
    }

    /* Header */
    header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 24px 48px;
      background: #000000;
      border-bottom: 1px solid #1a1a1a;
    }

    .menu-left {
      flex: 1;
    }

    .dropdown {
      position: relative;
      display: inline-block;
    }

    .dropbtn {
      background: transparent;
      color: #ffffff;
      padding: 10px 0;
      font-size: 0.85rem;
      border: none;
      cursor: pointer;
      font-family: inherit;
    }

    .dropdown-content {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      background-color: #0a0a0a;
      min-width: 160px;
      border: 1px solid #1a1a1a;
    }

    .dropdown-content a {
      color: #ffffff;
      padding: 12px 16px;
      text-decoration: none;
      display: block;
      font-size: 0.8rem;
    }

    .dropdown-content a:hover {
      background-color: #1a1a1a;
    }

    .dropdown:hover .dropdown-content {
      display: block;
    }

    .logo {
      flex: 1;
      text-align: center;
      font-size: 1.5rem;
      font-weight: 600;
      letter-spacing: 3px;
      color: #ffffff;
    }

    .nav-right {
      flex: 1;
      text-align: right;
    }

    .nav-right a {
      color: #ffffff;
      text-decoration: none;
      font-size: 0.85rem;
      margin-left: 20px;
    }

    /* Contenedor que centra el botón */
    .center-container {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* Botón BUY NOW */
    .btn-primary {
      display: inline-block;
      padding: 14px 42px;
      background: transparent;
      border: 1.5px solid #ffffff;
      color: #ffffff;
      text-decoration: none;
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 2px;
      transition: all 0.3s;
      cursor: pointer;
    }

    .btn-primary:hover {
      background: #ffffff;
      color: #000000;
    }

    /* Footer */
    footer {
      padding: 48px;
      text-align: center;
      background: #000000;
      border-top: 1px solid #1a1a1a;
    }

    .footer-links {
      display: flex;
      justify-content: center;
      gap: 32px;
      margin-bottom: 24px;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: #666;
      text-decoration: none;
      font-size: 0.7rem;
    }

    .footer-links a:hover {
      color: #ffffff;
    }

    footer p {
      color: #333;
      font-size: 0.7rem;
    }
    /* ============================================ */
/* IMAGEN DE FONDO PARA INDEX.HTML */
/* ============================================ */
.hero-background {
    flex: 1;
    background-image: url('../images/fondo.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: calc(100vh - 150px);
    width: 100%;
}
/* Overlay para oscurecer la imagen y centrar el botón */
.hero-background {
    flex: 1;
    background-image: url('../images/fondo.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: calc(100vh - 150px);
    width: 100%;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3); /* Oscurece un poco la imagen */
}

.hero-overlay .btn-primary {
    display: inline-block;
    padding: 14px 42px;
    background: transparent;
    border: 1.5px solid #ffffff;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    transition: all 0.3s;
    cursor: pointer;
}

.hero-overlay .btn-primary:hover {
    background: #ffffff;
    color: #000000;
}
    /* Responsive */
    @media (max-width: 768px) {
      header {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
      }
      
      .menu-left, .logo, .nav-right {
        flex: none;
        width: 100%;
        text-align: center;
      }
      
      .nav-right a {
        margin: 0 10px;
      }
      
      footer {
        padding: 30px 20px;
      }
      /* Al final del archivo index.css añade: */
      .hero-background {
        position: relative;
        z-index: 1;      /* Para que quede por debajo del header */
      }
    }