body {
    background-color: #0b0710;
    color: #ffffff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* Barra de navegación superior estilo RCN */
.navbar-rcn {
    background-color: #120d1c;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 30px;
    border-bottom: 1px solid #231b32;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 30px;
}

.logo-box {
    background-color: #ff4757;
    color: white;
    font-weight: bold;
    padding: 6px 12px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.nav-left nav {
    display: flex;
    gap: 20px;
}

.nav-left nav a {
    color: #b2bec3;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-left nav a:hover {
    color: #ffffff;
}

.btn-ingresar {
    background-color: #261f36;
    color: #fff;
    border: 1px solid #3c3254;
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-ingresar:hover {
    background-color: #3c3254;
}

/* Título de sección */
.titulo-emisoras {
    text-align: center;
    margin: 40px 0 20px 0;
}

.titulo-emisoras h2 {
    font-size: 1.2rem;
    letter-spacing: 1.5px;
    color: #e0e0e0;
    font-weight: 600;
}

/* Contenedor de Tarjetas de Emisoras */
.emisoras-container {
    display: flex;
    justify-content: center;
    gap: 25px;
    max-width: 1000px;
    margin: 20px auto;
    padding: 0 20px;
    flex-wrap: wrap;
}

.emisoras-container a {
    text-decoration: none;
}

.tarjeta {
    background: #191227;
    border: 1px solid #2d2342;
    border-radius: 10px;
    padding: 15px;
    width: 280px;
    height: 160px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.tarjeta:hover {
    transform: translateY(-4px);
    border-color: #ff4757;
}

.tarjeta img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 6px;
}

/* Secciones Institucionales Estilo Portal Pro */
.seccion-institucional {
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
}

.seccion-institucional h3 {
    font-size: 1.2rem;
    letter-spacing: 1.5px;
    color: #ffffff;
    margin-bottom: 25px;
    border-left: 4px solid #ff4757;
    padding-left: 12px;
    text-transform: uppercase;
}

.institucional-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.inst-card {
    background: linear-gradient(145deg, #161022, #1c142d);
    border: 1px solid #2d2342;
    border-radius: 12px;
    padding: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Línea superior brillante al pasar el cursor por las tarjetas */
.inst-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: #ff4757;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.inst-card:hover {
    transform: translateY(-6px);
    border-color: #ff4757;
    box-shadow: 0 10px 25px rgba(255, 71, 87, 0.12);
}

.inst-card:hover::before {
    opacity: 1;
}

.inst-card h4 {
    margin: 0 0 12px 0;
    color: #ffffff;
    font-size: 1.15rem;
    font-weight: 600;
}

.inst-card p {
    margin: 0;
    color: #b8b0c8;
    font-size: 0.92rem;
    line-height: 1.5;
}

/* Footer Corporativo */
.footer-rcn {
    background-color: #07040b;
    border-top: 1px solid #231b32;
    color: #8c829c;
    padding: 40px 20px 20px 20px;
    margin-top: 80px;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
    padding-bottom: 30px;
    border-bottom: 1px solid #1c1528;
}

.footer-links-group h4 {
    color: #e0e0e0;
    font-size: 0.95rem;
    margin: 0 0 12px 0;
    letter-spacing: 1px;
}

.links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.links-row a, .footer-legal a {
    color: #8c829c;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.links-row a:hover, .footer-legal a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 15px;
    padding-top: 20px;
    font-size: 0.8rem;
}

.footer-legal {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Contenedor flexible para alinear el botón y el selector */
.stream-action-group {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

/* Estilo del selector de ciudad similar al de las grandes cadenas */
.select-ciudad {
    background-color: #1a1a1a;
    color: #ffffff;
    border: 1px solid #333333;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    min-width: 200px;
}

.select-ciudad:hover, .select-ciudad:focus {
    border-color: #555555;
    background-color: #222222;
}

.select-ciudad option {
    background-color: #1a1a1a;
    color: #ffffff;
}

/* FONDO DIFUMINADO Y AMBIENTAL */
.fondo-difuminado-blur {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(5, 7, 12, 0.85), rgba(5, 7, 12, 0.85)), url('basica.png');
    background-size: cover;
    background-position: center;
    filter: blur(40px);
    transform: scale(1.1);
    z-index: -1;
}

/* ADAPTACIÓN AUTOMÁTICA A CELULARES Y TABLETS (RESPONSIVE) */
@media (max-width: 768px) {
    .navbar-rcn {
        flex-direction: column;
        gap: 12px;
        padding: 12px 15px;
    }

    .nav-left {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    .nav-left nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 15px;
    }

    .nav-left nav a {
        font-size: 0.85rem;
    }

    .btn-ingresar {
        width: 100%;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}