* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #222;
}

/* Encabezado */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #001f3f;
    border-bottom: 4px solid #FFD700;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Estilo para la imagen del logo (casco) en el menú */
.logo-img {
    height: 40px;
    width: auto;
    border-radius: 4px;
    object-fit: contain;
}

.logo h1 {
    color: #FFD700;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 1.2rem;
}

header nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

header nav a:hover, header nav a.activo {
    color: #FFD700;
}

/* Selector de Idioma */
.selector-idioma {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #FFD700;
    font-size: 1.1rem;
}

.selector-idioma select {
    background-color: #002b5c;
    color: #ffffff;
    border: 1px solid #FFD700;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s, background-color 0.3s;
}

.selector-idioma select:hover {
    background-color: #003a7a;
}

.selector-idioma select option {
    background-color: #001f3f;
    color: #ffffff;
}

/* Banner Hero */
.hero {
    text-align: center;
    padding: 3rem 1rem;
    background-color: #002b5c;
    color: #ffffff;
    border-bottom: 1px solid #003a7a;
}

.hero h2 {
    color: #FFD700;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.hero p {
    color: #ccc;
    font-size: 1.1rem;
}

/* Galería de Inicio */
.seccion-inicio {
    padding: 3rem 2rem;
    text-align: center;
}

.seccion-inicio h2 {
    font-size: 1.8rem;
    color: #111;
}

.subtitulo {
    color: #666;
    margin-bottom: 2.5rem;
}

.galeria-inicio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Tarjetas con Imagen */
.tarjeta-imagen {
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s, border-color 0.3s;
}

.tarjeta-imagen:hover {
    transform: translateY(-5px);
    border-color: #FFD700;
}

.contenedor-img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.contenedor-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tarjeta-imagen h3 {
    padding: 1rem 1rem 0.5rem 1rem;
    color: #111;
    font-size: 1.2rem;
}

.descripcion-tarjeta {
    padding: 0 1rem 1.5rem 1rem;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Tarjeta Exclusiva de Garantía */
.tarjeta-texto {
    border: 2px solid #FFD700;
    border-radius: 12px;
    background: #001f3f;
    color: #ffffff;
    padding: 2rem 1.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.icono-garantia {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: #FFD700;
}

.tarjeta-texto h3 {
    color: #FFD700;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.mensaje-garantia {
    background-color: #002b5c;
    border-left: 4px solid #FFD700;
    padding: 1.2rem;
    border-radius: 6px;
    text-align: left;
}

.mensaje-garantia p {
    font-size: 1rem;
    line-height: 1.5;
    color: #eee;
}

.linea-dialogo {
    border: 0;
    height: 1px;
    background: #003a7a;
    margin: 0.8rem 0;
}

/* Estilos para Catálogo y Productos */
.grid-productos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.tarjeta-producto {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1rem;
    background: #fff;
    text-align: center;
    transition: border-color 0.3s;
}

.tarjeta-producto:hover {
    border-color: #FFD700;
}

.tarjeta-producto img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 4px;
}

.tarjeta-producto h3 {
    font-size: 1.05rem;
    margin: 0.8rem 0 0.4rem 0;
    color: #111;
}

/* BOTÓN DE RESERVA: Fondo Negro con Texto Amarillo */
.tarjeta-producto button {
    background-color: #111111;
    color: #FFD700;
    border: 2px solid #FFD700;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.tarjeta-producto button:hover {
    background-color: #FFD700;
    color: #111111;
    border-color: #111111;
}

/* Formulario de Contacto */
.formulario-contacto {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.formulario-contacto input, .formulario-contacto textarea {
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}

.formulario-contacto input:focus, .formulario-contacto textarea:focus {
    border-color: #FFD700;
    outline: none;
}

.formulario-contacto button {
    background-color: #111111;
    color: #FFD700;
    border: 2px solid #FFD700;
    padding: 1rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.formulario-contacto button:hover {
    background-color: #FFD700;
    color: #111111;
}

.info-contacto {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    margin: 0 auto;
    border-left: 4px solid #FFD700;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Responsividad para Móviles */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
        text-align: center;
    }

    header nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
    }

    header nav a {
        font-size: 0.95rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h2 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 0.95rem;
    }

    .seccion-inicio {
        padding: 2rem 1rem;
    }

    .galeria-inicio {
        grid-template-columns: 1fr;
    }

    .grid-productos {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 1rem;
    }
}