/* Variables para Colores */
:root {
    --color-bg-dark: #1e1e2d; /* Fondo principal */
    --color-bg-medium: #27293d; /* Fondo de secciones */
    --color-text-light: #f4f4f9; /* Texto claro */
    --color-accent-blue: #00bcd4; /* Azul Neón (Acento Primario) */
    --color-accent-red: #ff3c6e; /* Rojo Neón (Acento Secundario) */
    --color-border: #444; /* Borde sutil */
    --font-primary: 'Roboto', sans-serif;
}

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

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-family: var(--font-primary);
    line-height: 1.6;
    overflow-x: hidden; /* Evita barras de desplazamiento horizontales */
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-accent-blue);
}

/* --- Encabezado (Header) --- */
header {
    
    background-color: var(--color-bg-dark);
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {

    display: flex;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo i {
    font-size: 1.5rem;
    color: var(--color-accent-blue);
    margin-right: 10px;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 25px;
}

nav ul a {
    text-transform: uppercase;
    font-weight: 400;
    padding: 5px 0;
    position: relative;
}

nav ul a.active, nav ul a:hover {
    color: var(--color-accent-blue);
}

nav ul a.active::after, nav ul a:hover::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent-blue);
    transition: width 0.3s;
}

/* --- Sección Principal (Hero) --- */
.hero {
background-image: url('images/univercell2.png');
background-repeat: no-repeat;           /* Una sola vez */
background-position: center center;      /* Centrado perfecto */

/* Si quieres que sea aún más pequeño, usa uno de estos valores: */
background-size: 500px auto;   /* un poco más grande */

/* El resto de tu estilo original */
border: 1px solid var(--color-accent-blue);
border-radius: 10px;
box-shadow: 0 0 20px rgba(0, 188, 212, 0.5);
background-color: var(--color-bg-dark);
padding: 80px 0 60px 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Fondo con líneas abstractas de color */
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.1) 0%, rgba(255, 60, 110, 0.1) 100%);
    opacity: 0.2;
    z-index: 0;
}

.hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative; /* Para que el contenido esté sobre el ::before */
    z-index: 1;
}

.hero-content {
    max-width: 50%;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.hero-content h3 {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--color-accent-blue);
    margin-bottom: 30px;
}

.btn-shop {
    display: inline-block;
    background-color: var(--color-accent-blue);
    color: var(--color-bg-dark);
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.3s, transform 0.3s;
}

.btn-shop:hover {
    background-color: var(--color-accent-red);
    transform: translateY(-2px);
    color: var(--color-text-light);
}

.hero-image {
    background-image: url('images/1.png');
    max-width: 45%;
    /* Estilo para simular el efecto de la imagen */
    min-height: 300px;
    background: var(--color-bg-medium);
    border: 1px solid var(--color-accent-blue);
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(0, 188, 212, 0.5); /* Efecto neón sutil */
}

/* --- Categorías Destacadas (Categories) --- */
.categories {
    padding: 60px 0;
    background-color: var(--color-bg-medium);
    border-top: 1px solid var(--color-border);
}

.categories .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.category-card {
    background-color: var(--color-bg-dark);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 188, 212, 0.4);
}

.card-image i {
    font-size: 3.5rem;
    color: var(--color-accent-blue);
    margin-bottom: 15px;
}

.category-card h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--color-accent-red);
    text-transform: uppercase;
}

.category-card p {
    font-size: 0.9rem;
    color: #aaa;
}


/* --- Pie de Página (Footer) --- */
footer {
    background-color: var(--color-bg-dark);
    padding: 40px 0 20px 0;
    border-top: 1px solid var(--color-border);
}

footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding-bottom: 20px;
}

.footer-section {
    flex-basis: 30%;
    margin-bottom: 20px;
}

.footer-section h4 {
    color: var(--color-accent-blue);
    margin-bottom: 15px;
    text-transform: uppercase;
}

/* Estilos de Redes Sociales */
.social a {
    font-size: 1.5rem;
    margin-right: 15px;
    color: var(--color-text-light);
}

.social a:hover {
    color: var(--color-accent-red);
}

/* Estilos de Contacto */
.contact p {
    margin-bottom: 5px;
    font-size: 0.95rem;
    color: #ccc;
}

/* Estilos de Newsletter */
.newsletter input[type="email"] {
    padding: 10px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-medium);
    color: var(--color-text-light);
    border-radius: 4px 0 0 4px;
    width: 60%;
}

.newsletter button {
    padding: 10px 15px;
    border: none;
    background-color: var(--color-accent-red);
    color: var(--color-text-light);
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.newsletter button:hover {
    background-color: var(--color-accent-blue);
}

/* Copyright */
.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.copyright p {
    font-size: 0.8rem;
    color: #999;
}

/* --- Media Queries para hacerlo responsivo --- */
@media (max-width: 900px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content, .hero-image {
        max-width: 100%;
        margin-bottom: 30px;
    }

    .hero-content h2, .hero-content h3 {
        font-size: 2.5rem;
    }

    .categories .container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }

    nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .categories .container {
        grid-template-columns: 1fr;
    }

    footer .container {
        flex-direction: column;
    }

    .footer-section {
        flex-basis: 100%;
        margin-bottom: 30px;
        text-align: center;
    }

    .social {
        order: -1; /* Mueve las redes sociales al inicio */
    }
}