body {
    padding-top: 70px; /* Adjust for fixed navbar height */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* Navbar Customization */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.08);
}
.navbar-brand {
    font-size: 1.75rem;
    color: #fff !important;
}
.navbar-nav .nav-link { /* Scope to navbar only */
    color: #fff !important;
    font-weight: 500;
    margin-right: 15px;
}
.navbar-nav .nav-link.active {
    border-bottom: 2px solid #ffc107; /* Warning color for active */
}

/* Plan de Estudios Tabs Customization */
#pills-tab .nav-link {
    color: #495057 !important; /* Dark grey for inactive tabs */
    background-color: #e9ecef;
    margin: 0 5px;
    border-radius: 50rem; /* Pill shape */
}
#pills-tab .nav-link.active {
    color: #fff !important;
    background-color: #0d6efd; /* Primary blue for active */
}

.dropdown-menu {
    background-color: #0d6efd; /* Primary color for dropdown */
    border: none;
}
.dropdown-item {
    color: #fff;
}
.dropdown-item:hover {
    background-color: #0a58ca;
    color: #fff;
}

/* Carousel Customization */
.carousel-item {
    height: 600px; /* Fixed height for carousel */
    background-color: #777; /* Fallback */
}
.carousel-item img {
    object-fit: cover;
    height: 100%;
}
.carousel-caption {
    background-color: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 8px;
    bottom: 20%;
}
.carousel-caption h5 {
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
}
.carousel-caption p {
    font-size: 1.5rem;
    color: #f8f9fa;
}

/* Sections General Styling */
section {
    padding: 80px 0;
}
section:nth-of-type(odd) {
    background-color: #f8f9fa; /* Light grey for alternating sections */
}

/* Cards for Carreras */
.card {
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,.15) !important;
}
.card-img-top {
    height: 200px;
    object-fit: cover;
}
.card-title {
    font-weight: bold;
}

/* Gallery Styling */
.gallery-item {
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}
.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 16px rgba(0,0,0,.2);
}

/* Footer Styling */
footer {
    background-color: #212529 !important; /* Darker than default dark */
    color: #adb5bd;
}
footer h5 {
    color: #ffc107 !important; /* Warning color for footer headings */
}
footer a {
    color: #adb5bd;
    text-decoration: none;
}
footer a:hover {
    color: #fff;
}
.social-icons a {
    font-size: 1.5rem;
    margin-right: 15px;
    color: #adb5bd;
    transition: color 0.3s ease;
}
.social-icons a:hover {
    color: #ffc107;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .carousel-caption h5 {
        font-size: 2rem;
    }
    .carousel-caption p {
        font-size: 1rem;
    }
    .carousel-item {
        height: 400px; /* Shorter height for smaller screens */
    }
    .navbar-brand {
        font-size: 1.5rem;
    }
    body {
        padding-top: 60px;
    }
}

/* Hero Section for Career Pages - Fixed Legibility */
.hero-career {
    padding-top: 150px; 
    padding-bottom: 100px;
    background-size: cover;
    background-position: center;
    position: relative;
}

/* Sombra de texto fuerte */
.hero-career h1, .hero-career p.lead {
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.9); 
    position: relative;
    z-index: 2;
}

/* Clases especificas para cada carrera con capa oscura integrada */
.hero-secretariado {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/webisec2/img/hero-secretariado.jpg');
}

.hero-contaduria {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/webisec2/img/hero-contaduria.jpg');
}

.hero-sistemas {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/webisec2/img/hero-sistemas.jpg');
}

.hero-mercadotecnia {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('/webisec2/img/hero-mercadotecnia.jpg');
}

/* Corrección forzada FINAL para pestañas del Plan de Estudios */
ul#pills-tab .nav-item .nav-link {
    color: #333 !important; /* Texto oscuro forzado */
    background-color: #FFDAB9 !important; /* Fondo naranja suave forzado */
    border: 1px solid #dee2e6;
    font-weight: 600;
}

ul#pills-tab .nav-item .nav-link:hover {
    background-color: #fce8d6 !important; /* Un poco más claro al pasar el ratón */
}

ul#pills-tab .nav-item .nav-link.active {
    color: #fff !important; /* Texto blanco forzado al estar activo */
    background-color: #0d6efd !important; /* Azul Bootstrap */
    border-color: #0d6efd;
}