/* --- RESET BÁSICO PARA UNIFICAR ESTILOS ENTRE NAVEGADORES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* --- ESTILOS GENERALES --- */
body {
    font-family: 'Arial', sans-serif;
    background-color: #212121;
    color: #E0E0E0;
    line-height: 1.6;
}

/* --- ENCABEZADO PRINCIPAL --- */
header {
    background-color: #1c1c1c;
    color: #E0E0E0;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}
header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
}

/* --- MENÚ DE NAVEGACIÓN --- */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 10px;
}
nav a {
    color: #E0E0E0;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    transition: color 0.3s ease, transform 0.3s ease;
}
nav a:hover {
    color: #ff6f61;
    transform: scale(1.1);
}
nav a.active {
    color: #ff6f61;
    text-decoration: underline;
}

/* --- CONTENIDO PRINCIPAL --- */
main {
    padding: 40px 20px;
}

/* Títulos secciones cartelera, promociones y contacto */
.cartelera h2,
.promociones h2,
.contacto h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #ff6f61;
}

/* --- CONTENEDORES FLEXIBLES --- */
.peliculas,
.ofertas {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

/* --- TARJETAS --- */
.pelicula,
.oferta {
    background-color: #2c2c2c;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.7);
    width: 220px;
    text-align: center;
    transition: transform 0.3s ease;
}
.pelicula:hover,
.oferta:hover {
    transform: translateY(-10px);
}
.pelicula img,
.oferta img {
    width: 100%;
    object-fit: cover;
}
.pelicula img {
    height: 300px;
}
.oferta img {
    height: 150px;
}
.pelicula h3,
.oferta h3 {
    margin: 15px 0;
    color: #ff6f61;
}
.pelicula h3 {
    font-size: 1.25rem;
}
.oferta h3 {
    font-size: 1.5rem;
}
.pelicula p,
.oferta p,
.contacto p {
    color: #B0BEC5;
    padding: 0 10px 15px;
    font-size: 0.875rem;
}
.oferta p {
    font-size: 1rem;
}

/* --- BOTONES --- */
.pelicula a,
.oferta a,
.oferta button.btn-detalle {
    display: inline-block;
    margin-top: 15px;
    padding: 10px 20px;
    background-color: #ff6f61;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}
.pelicula a:hover,
.oferta a:hover,
.oferta button.btn-detalle:hover {
    background-color: #e04e3a;
    transform: scale(1.1);
}

/* Detalles de la oferta */
.detalle-oferta {
    background-color: #3a3a3a;
    color: #ccc;
    padding: 10px 15px;
    font-size: 0.9rem;
    border-radius: 5px;
    margin-top: 10px;
    text-align: left;
    display: none; /* oculto por defecto */
}

/* --- PIE DE PÁGINA --- */
footer {
    text-align: center;
    background-color: #1c1c1c;
    color: #E0E0E0;
    padding: 15px 0;
    margin-top: 40px;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

/* --- SECCIÓN DE CONTACTO --- */
.contacto {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    font-family: 'Segoe UI', sans-serif;
    color: #fff;
}

.contacto-contenedor {
    background-color: rgba(44, 44, 44, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 50px;
    max-width: 600px;
    width: 100%;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
    text-align: center;
}
.contacto-contenedor h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    border-bottom: 2px solid #ff6f61;
    padding-bottom: 10px;
    color: #ff6f61;
}
.contacto-contenedor p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #ccc;
}

/* Formulario contacto */
form.contacto-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
}
form.contacto-form label {
    font-weight: 600;
    margin-bottom: 6px;
    color: #ff6f61;
    display: block;
}
form.contacto-form input[type="text"],
form.contacto-form input[type="email"],
form.contacto-form textarea {
    background-color: #333;
    border: 1px solid #555;
    border-radius: 10px;
    color: #eee;
    padding: 12px 15px;
    font-size: 1rem;
    resize: vertical;
    transition: border-color 0.3s ease;
}
form.contacto-form input[type="text"]:focus,
form.contacto-form input[type="email"]:focus,
form.contacto-form textarea:focus {
    outline: none;
    border-color: #ff6f61;
    background-color: #3a3a3a;
}
form.contacto-form button {
    background-color: #ff6f61;
    color: #fff;
    font-weight: 700;
    padding: 12px 0;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
}
form.contacto-form button:hover {
    background-color: #e04e3a;
    transform: scale(1.05);
}