@media (max-width: 900px) {
            .container { flex-direction: column; align-items: center; }
            .producto-img, .producto-info { width: 95%; min-width: unset; border-radius: 16px; }
        }
 body {
            font-family: 'Segoe UI', sans-serif;
            background: #e5e5e5;
            margin: 0;
            padding: 0;
        }

        header {
            background: #fff;
            display: flex;
            align-items: center;
            gap: 22px;
            padding: 18px 22px;
            border-bottom: 1.5px solid #ccc;
        }
        .logo-btn h1 {
            color: #ff6a00;
            font-family: 'Segoe UI Black', 'Arial Black', sans-serif;
            font-size: 34px;
            margin: 0;
        }
        .search-bar {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-bar input {
            width: 340px;
            padding: 10px 18px;
            border-radius: 50px;
            border: 1px solid #ccc;
            font-size: 16px;
        }
        .search-bar button {
            padding: 10px 20px;
            background-color: #ff6a00;
            color: white;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-size: 16px;
        }
        .usuario {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 17px;
        }
        .usuario span {
            font-weight: bold;
        }
        nav {
            background: #fff;
            padding: 10px 0;
            border-bottom: 1.5px solid #ccc;
            display: flex;
            align-items: center;
            gap: 40px;
            font-size: 18px;
            font-weight: bold;
        }
        nav a {
            color: #1d1d1d;
            text-decoration: none;
            margin: 0 12px;
        }
        nav a:hover {
            color: #ff6a00;
        }
        .ubicacion {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            color: #444;
            padding: 0 22px;
            margin-bottom: 10px;
        }
        .container {
            max-width: 950px;
            margin: 30px auto;
            display: flex;
            gap: 0;
            background: none;
        }
        .producto-img {
            background: #fff;
            border-radius: 16px 0 0 16px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.10);
            width: 460px;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 390px;
        }
        .producto-img img {
            max-width: 80%;
            max-height: 370px;
            border-radius: 14px;
            object-fit: cover;
            margin: 30px;
        }
        .producto-info {
            background: #f2f2f2;
            border-radius: 0 16px 16px 0;
            box-shadow: 0 2px 12px rgba(0,0,0,0.10);
            flex: 1;
            min-width: 320px;
            padding: 20px 28px 22px 28px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .titulo-prod {
            font-size: 1.3em;
            font-weight: bold;
            margin-bottom: 5px;
            color: #222;
        }
        .favorito {
            float: right;
            margin-top: -6px;
            margin-right: 2px;
            font-size: 22px;
            color: #333;
            cursor: pointer;
        }
        .precio-original {
            font-size: 1.15em;
            color: #b30000;
            text-decoration: line-through;
            margin-right: 12px;
        }
        .precio-final {
            font-size: 1.5em;
            color: #222;
            font-weight: bold;
            margin-right: 10px;
        }
        .descuento {
            font-size: 1em;
            color: #26b72b;
            font-weight: bold;
        }
        .publicado {
            font-size: 1em;
            color: #26b72b;
            margin-top: 6px;
            margin-bottom: 5px;
        }
        .detalles-titulo {
            font-size: 1.28em;
            color: #00a0ee;
            margin-top: 7px;
            font-weight: bold;
        }
        .detalles-desc {
            background: #fff;
            border-radius: 8px;
            padding: 12px;
            margin-bottom: 12px;
            color: #333;
            font-size: 1em;
            line-height: 1.4;
            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
        }
        .info-vendedor {
            background: #fff;
            border-radius: 8px;
            margin-top: 16px;
            padding: 15px 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.06);
            text-align: center;
        }
        .info-vendedor-titulo {
            font-size: 1.15em;
            color: #222;
            font-weight: bold;
            margin-bottom: 8px;
        }
        .icon-vendedor {
            font-size: 2.7em;
            color: #222;
            margin-bottom: 3px;
        }
        .nombre-vendedor {
            font-size: 1.15em;
            font-weight: bold;
        }
        .ubicacion-vendedor {
            color: #888;
            margin-top: 3px;
            font-size: 1em;
        }
        .telefono-vendedor {
            margin-top: 12px;
            font-size: 1.17em;
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            color: #222;
        }
        .telefono-vendedor .icon-tel {
            font-size: 1.5em;
            color: #ff6a00;
        }
        .dias-disponibles {
            color: #0079d0;
            font-weight: bold;
            font-size: 1em;
            margin-top: 4px;
            margin-bottom: 4px;
        }
        footer {
            background: #cb0e0e;
            color: #fff;
            text-align: center;
            padding: 18px;
            font-size: 1em;
            margin-top: 35px;
            letter-spacing: 0.2px;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 5px;
        }
        .footer-links a {
            color: #fff;
            text-decoration: none;
            font-size: 1em;
        }
        .footer-links a:hover {
            text-decoration: underline;
        }
        
        /* Agrega en tu CSS */
.producto-info, .info-vendedor {
  opacity: 0;
  transform: translateY(18px);
  animation: fadeInUp .65s forwards;
  animation-delay: .15s;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}