/*!
 * HEADER VISUAL IMPROVEMENTS - TecNM Pachuca v2.2 FINAL FIX
 * Correcciones: Padding-top para evitar overlap con fixed navbar
 * Versión: 2.2 - FINAL FIX
 * Fecha: Diciembre 2024
 */

/* ========================================
   FIX CRÍTICO: PADDING PARA BARRA FIXED
   ======================================== */

/* La barra GOB.MX tiene position: fixed-top
   Por lo tanto, el contenido debe empezar DEBAJO de ella */

body {
    padding-top: 60px !important; /* Altura de la barra GOB.MX */
}



/* O aplicar directamente al contenedor de logos */
.contenedorGobierno {
    margin-top: 0 !important;
    position: relative !important;
}

/* ========================================
   VARIABLES GLOBALES
   ======================================== */
:root {
    /* Colores Institucionales */
    --tecnm-azul: #1B396A;
    --tecnm-azul-claro: #2c5aa0;
    --tecnm-azul-oscuro: #0f2347;
    --tecnm-guinda: #8B1538;
    --negro-gobierno: #000000;
    --blanco: #ffffff;
    
    /* Grises */
    --gris-100: #f8f9fa;
    --gris-200: #e9ecef;
    --gris-300: #dee2e6;
    --gris-700: #495057;
    --gris-900: #212529;
    
    /* Transiciones */
    --transition-fast: 0.15s;
    --transition-base: 0.3s;
    --transition-slow: 0.5s;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-tecnm: 0 4px 12px rgba(27, 57, 106, 0.15);
}

/* ========================================
   MEJORAS PARA BARRA GOB.MX
   ======================================== */

#barraGobmx {
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-base);
    height: 60px; /* Asegurar altura consistente */
}

#barraGobmx .navbar-brand {
    transition: transform var(--transition-base);
}

#barraGobmx .navbar-brand:hover {
    transform: scale(1.05);
}

#barraGobmx .nav-link {
    position: relative;
    transition: all var(--transition-base);
    border-radius: 4px;
    padding: 0.5rem 1rem !important;
}

#barraGobmx .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff !important;
}

#barraGobmx .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

#barraGobmx .nav-link:hover::after {
    width: 80%;
}

/* Mejorar ícono de búsqueda */
#barraGobmx .nav-link svg {
    transition: transform var(--transition-base);
}

#barraGobmx .nav-link:hover svg {
    transform: scale(1.1);
}

/* ========================================
   MEJORAS PARA CONTENEDOR DE LOGOS
   ======================================== */

.contenedorGobierno {
    background: linear-gradient(135deg, #ffffff 0%, var(--gris-100) 100%);
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--gris-200);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.container-cabecera {
    padding: 1rem 2rem;
}

.ipnLogo-enlace {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo-container {
    transition: transform var(--transition-base);
}

.logo-container:hover {
    transform: translateY(-3px);
}

.logo-container a {
    display: block;
}

.logo-gob,
.logo-tecnm,
.logo-itp {
    transition: all var(--transition-base);
    filter: brightness(1);
}

.logo-container:hover .logo-gob,
.logo-container:hover .logo-tecnm,
.logo-container:hover .logo-itp {
    filter: brightness(1.1);
    box-shadow: var(--shadow-md);
}

.separador {
    height: 40px;
    width: 2px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        var(--tecnm-azul) 20%,
        var(--tecnm-azul) 80%,
        transparent 100%
    );
    opacity: 0.3;
}

/* ========================================
   MEJORAS PARA MENÚ BLANCO (menua)
   ======================================== */

#main_navbar2 {
    background: linear-gradient(135deg, #ffffff 0%, var(--gris-100) 100%) !important;
    box-shadow: var(--shadow-tecnm);
    border-bottom: 1px solid var(--gris-200);
}

#main_navbar2 .navbar-toggler {
    border: 2px solid var(--tecnm-azul);
    color: var(--tecnm-azul);
    transition: all var(--transition-base);
    border-radius: 6px;
    padding: 0.5rem 1rem;
}

#main_navbar2 .navbar-toggler:hover {
    background: var(--tecnm-azul);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#main_navbar2 .nav-item {
    margin: 0 0.25rem;
}

#main_navbar2 .nav-link {
    color: var(--gris-900) !important;
    font-weight: 500;
    padding: 0.75rem 1.25rem !important;
    border-radius: 6px;
    transition: all var(--transition-base);
    position: relative;
}

#main_navbar2 .nav-link:hover {
    background: linear-gradient(135deg, var(--tecnm-azul) 0%, var(--tecnm-azul-claro) 100%);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#main_navbar2 .dropdown-toggle::after {
    transition: transform var(--transition-base);
    display: inline-block;
}

#main_navbar2 .nav-link:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

#main_navbar2 .dropdown-menu {
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    background: white;
    animation: slideDown var(--transition-base) ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#main_navbar2 .dropdown-item {
    padding: 0.75rem 1.5rem;
    color: var(--gris-700);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

#main_navbar2 .dropdown-item:hover {
    background: var(--gris-100);
    color: var(--tecnm-azul);
    border-left-color: var(--tecnm-azul);
    padding-left: 2rem;
}

#main_navbar2 .dropdown-item:active {
    background: var(--tecnm-azul);
    color: white;
}

/* Logo INNOVATECNM especial */
#main_navbar2 .nav-link.active.p-0 img {
    transition: all var(--transition-base);
    filter: drop-shadow(var(--shadow-sm));
}

#main_navbar2 .nav-link.active.p-0:hover img {
    transform: scale(1.05);
    filter: drop-shadow(var(--shadow-md));
}

/* ========================================
   MEJORAS PARA MENÚ AZUL (menub, menudoc, menumae, menuinf)
   ======================================== */

#main_navbar {
    background: linear-gradient(135deg, var(--tecnm-azul) 0%, var(--tecnm-azul-claro) 100%) !important;
    box-shadow: var(--shadow-lg);
    position: relative;
}

/* Efecto de brillo sutil */
#main_navbar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
}

#main_navbar .navbar-toggler {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    transition: all var(--transition-base);
    border-radius: 6px;
    padding: 0.5rem 1rem;
}

#main_navbar .navbar-toggler:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    transform: translateY(-2px);
}

#main_navbar .nav-link {
    color: rgba(255, 255, 255, 0.95) !important;
    font-weight: 500;
    padding: 0.75rem 1.25rem !important;
    border-radius: 6px;
    transition: all var(--transition-base);
    position: relative;
}

#main_navbar .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

#main_navbar .nav-link:hover::before {
    opacity: 1;
}

#main_navbar .nav-link:hover {
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Icono Home especial */
#main_navbar .icon-home {
    font-size: 1.3rem;
    transition: all var(--transition-base);
}

#main_navbar .nav-link:hover .icon-home {
    transform: scale(1.15);
}

#main_navbar .dropdown-menu {
    background: white;
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    min-width: 250px;
}

#main_navbar .dropdown-item {
    padding: 0.75rem 1.5rem;
    color: var(--gris-700);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

#main_navbar .dropdown-item:hover {
    background: var(--gris-100);
    color: var(--tecnm-azul);
    border-left-color: var(--tecnm-guinda);
    padding-left: 2rem;
}

/* ========================================
   MEJORAS PARA DROPDOWNS CON SUBMENÚS
   ======================================== */

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: 0;
    margin-left: 0.25rem;
}

.dropdown-submenu > a::after {
    content: '\f054';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    float: right;
    margin-left: 1rem;
    transition: transform var(--transition-base);
}

.dropdown-submenu:hover > a::after {
    transform: translateX(3px);
}

/* ========================================
   RESPONSIVE MEJORADO
   ======================================== */

@media (max-width: 1200px) {
    .container-cabecera {
        padding: 0.75rem 1.5rem;
    }
    
    .ipnLogo-enlace {
        gap: 1rem;
    }
}

@media (max-width: 992px) {
    body {
        padding-top: 56px !important; /* Barra más pequeña en móvil */
    }
    
    .contenido {
        padding-top: 56px !important;
    }
    
    .logo-gob,
    .logo-tecnm,
    .logo-itp {
        height: 45px !important;
    }
    
    #main_navbar2 .nav-link,
    #main_navbar .nav-link {
        padding: 0.65rem 1rem !important;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .container-cabecera {
        padding: 0.5rem 1rem;
    }
    
    .ipnLogo-enlace {
        gap: 0.75rem;
    }
    
    .logo-gob,
    .logo-tecnm,
    .logo-itp {
        height: 38px !important;
    }
    
    .separador {
        display: none;
    }
    
    /* Menú móvil mejorado */
    #main_navbar2 .navbar-collapse,
    #main_navbar .navbar-collapse {
        background: white;
        padding: 1rem;
        margin-top: 1rem;
        border-radius: 8px;
        box-shadow: var(--shadow-lg);
    }
    
    #main_navbar .navbar-collapse {
        background: var(--tecnm-azul-oscuro);
    }
    
    #main_navbar2 .dropdown-menu,
    #main_navbar .dropdown-menu {
        box-shadow: none;
        border-left: 3px solid var(--tecnm-azul);
        margin-left: 1rem;
    }
}

@media (max-width: 576px) {
    body {
        padding-top: 50px !important;
    }
    
    .contenido {
        padding-top: 50px !important;
    }
    
    .ipnLogo-enlace {
        justify-content: center;
    }
    
    .logo-container:nth-child(1),
    .logo-container:nth-child(2) {
        display: none;
    }
    
    .logo-gob,
    .logo-tecnm,
    .logo-itp {
        height: 35px !important;
    }
}

/* ========================================
   ACCESIBILIDAD Y ESTADOS DE ENFOQUE
   ======================================== */

/* Focus visible mejorado */
*:focus-visible {
    outline: 3px solid var(--tecnm-azul-claro);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Reducir movimiento para usuarios con preferencias */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   UTILIDADES ADICIONALES
   ======================================== */

/* Mejorar selección de texto */
::selection {
    background: var(--tecnm-azul);
    color: white;
}

::-moz-selection {
    background: var(--tecnm-azul);
    color: white;
}

/* Scrollbar personalizado (Webkit) */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gris-100);
}

::-webkit-scrollbar-thumb {
    background: var(--tecnm-azul);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tecnm-azul-oscuro);
}

/* ========================================
   ANIMACIONES ADICIONALES
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Aplicar animación al cargar */
.contenedorGobierno {
    animation: slideInFromTop var(--transition-slow) ease-out;
}

/* ========================================
   MEJORAS PARA CARRUSEL
   ======================================== */

.carousel-item {
    transition: transform 0.6s ease-in-out;
}

.carousel-indicators li {
    background-color: var(--tecnm-azul);
    opacity: 0.5;
    transition: all var(--transition-base);
}

.carousel-indicators li.active {
    opacity: 1;
    transform: scale(1.2);
}

/* ========================================
   MEJORAS PARA ENLACES INSTITUCIONALES
   ======================================== */

.enlaces .imgins {
    transition: all var(--transition-base);
    filter: grayscale(0);
}

.enlaces a:hover .imgins {
    transform: translateY(-5px);
    filter: brightness(1.1);
    box-shadow: var(--shadow-md);
}

/* ========================================
   CARDS MEJORADAS
   ======================================== */

.card {
    transition: all var(--transition-base);
    border: none;
    box-shadow: var(--shadow-sm);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-img-top {
    transition: transform var(--transition-slow);
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

/* ========================================
   FIN DE MEJORAS VISUALES v2.2
   ======================================== */

/*
 * CHANGELOG v2.2 FINAL FIX:
 * - FIXED: Agregado padding-top a body y .contenido (60px)
 * - FIXED: El contenedor de logos ahora se coloca DEBAJO de la barra fixed
 * - FIXED: Eliminado scroll-behavior: smooth (v2.1)
 * - IMPROVED: Responsive padding-top ajustado por tamaño
 * - IMPROVED: Mejor organización visual de capas
 */