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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #fff;
}

.navbar {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease-in-out;
}

.navbar.scroll-down {
    transform: translateY(-100%);
}

.navbar.scroll-up {
    transform: translateY(0);
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.7;
}

.create-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.create-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 87, 108, 0.4);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 5% auto;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.modal-content h2 {
    margin-bottom: 25px;
    font-size: 2rem;
}

.close {
    color: #fff;
    float: right;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover {
    opacity: 0.7;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    backdrop-filter: blur(5px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.form-group select option {
    background: #764ba2;
    color: #fff;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 87, 108, 0.4);
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 30px;
    padding-top: 80px;
}

.hero {
    text-align: center;
    padding: 80px 0 60px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.85;
    font-weight: 400;
}

.categories {
    padding: 40px 0 80px;
}

.categories-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.category-item {
    color: #fff;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 600;
    padding: 10px 0;
    position: relative;
    transition: opacity 0.3s;
}

.category-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #fff;
    transition: width 0.3s;
}

.category-item:hover {
    opacity: 0.8;
}

.category-item:hover::after {
    width: 100%;
}

.productos-section {
    padding: 60px 0;
}

.productos-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
}

.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.producto-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s;
}

.producto-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
}

.producto-card img,
.producto-card video {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
}

.producto-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.producto-card .descripcion {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.producto-card .precio {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #f093fb;
}

.producto-card a {
    text-decoration: none;
    display: block;
}

.comprar-btn {
    width: 100%;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.comprar-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 87, 108, 0.4);
}

.no-productos {
    text-align: center;
    font-size: 1.2rem;
    opacity: 0.7;
    padding: 60px 0;
}

footer {
    text-align: center;
    padding: 30px;
    opacity: 0.5;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 15px 20px;
    }
    
    .nav-brand {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }

    main {
        padding: 0 20px;
        padding-top: 70px;
    }

    .hero {
        padding: 50px 0 40px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .categories-list {
        gap: 35px;
        flex-direction: column;
    }

    .category-item {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 12px;
        padding: 12px 15px;
    }
    
    .nav-links {
        gap: 15px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 0.95rem;
    }
}