/* ========================================
   1. CONFIGURACIÓN GLOBAL Y VARIABLES
   ======================================== */

@font-face {
    font-family: 'Aptos';
    src: local('Aptos'), local('Aptos Display');
}

:root {
    /* Colores Principales */
    --azul-tecnm: #1B396A;
    --naranja-convocatoria: #d17a1b;

    /* Colores Secundarios */
    --gris-fondo: #f4f7f6;
    --blanco: #ffffff;
    --gris-claro: #F7F7F7;
    --gris-borde: #dee2e6;

    /* Sombras */
    --sombra-suave: 0 2px 10px rgba(0,0,0,0.1);
    --sombra-media: 0 4px 12px rgba(0,0,0,0.08);
    --sombra-fuerte: 0 10px 30px rgba(0,0,0,0.08);

    /* Transiciones */
    --transicion: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--gris-fondo);
    font-family: 'Aptos', sans-serif;
    margin: 0;
    color: #333;
}


/* ========================================
   2. HEADER - TOP HEADER
   ======================================== */

.top-header {
    background-color: var(--gris-claro);
    border-bottom: 1px solid var(--gris-borde);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--sombra-suave);
}

.top-header .container-fluid {
    max-width: 1600px;
}

/* Contenedor Principal - Una sola línea */
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: nowrap;
}


/* ========================================
   3. MARCA Y LOGOS
   ======================================== */

.brand-container {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--azul-tecnm);
    flex-shrink: 0;
    min-width: 0;
}

.logo-principal {
    height: 100px;
    width: auto;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    color: var(--azul-tecnm);
    line-height: 1;
    margin: 0;
    min-width: 0;
}

.brand-text h2,
.brand-text h1,
.brand-text h3 {
    margin: 0;
    padding: 0;
}

.brand-text .title-top {
    font-size: 16px;
    font-weight: 800;
}

.brand-text .title-mid {
    font-size: 18px;
    font-weight: 800;
}

.brand-text .title-bottom {
    font-size: 12px;
    font-style: italic;
    font-weight: 500;
    margin-top: 2px;
}

.logo-secundario {
    height: auto;
    width: 280px;
    object-fit: contain;
    flex-shrink: 0;
    margin-left: auto;
}


/* ========================================
   4. MENÚ CENTRAL E INDICADOR
   ======================================== */

.menu-central-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex: 1;
    padding: 0;
    margin: 0;
    border: none;
    height: 80px;
}

/* Enlace de Navegación */
.nav-link-inline {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #212529;
    cursor: pointer;
    z-index: 2;
    border: none;
    background: none;
    padding: 15px 12px;

    min-width: auto;
    min-height: auto;
    position: relative;
    transition: background-color 0.2s;
    font-size: 1rem;
    font-family: inherit;
    white-space: nowrap;
}

.nav-link-inline:hover {
    background-color: rgba(0,0,0,0.02);
    border-radius: 4px;
}

.nav-link-inline:focus {
    outline: 2px solid var(--naranja-convocatoria);
    outline-offset: 2px;
}

/* Iconos y Texto en Navegación */
.nav-link-inline i {
    font-size: 1.4rem;
    margin-bottom: 4px;
    pointer-events: none;
}

.nav-link-inline span {
    font-size: 0.95rem;
    font-weight: 600;
    pointer-events: none;
    line-height: 1.1;
}

/* Indicador de Selección Animado */
.nav-indicator {
    height: 4px;
    background-color: var(--azul-tecnm);
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all var(--transicion);
    border-radius: 2px;
    z-index: 1;
    width: 0;
}


/* ========================================
   5. SELECTOR DE IDIOMA (HTML Semántico)
   ======================================== */

.language-selector {
    display: flex;
    gap: 8px;
    border: none;
    padding: 0;
    margin: 0;
}

.language-selector input[type="radio"] {
    display: none;
}

.language-selector label.flag-btn {
    padding: 0;
    margin: 0;
    height: 32px;
    width: 48px;
    border: 1px solid #ccc;
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.2s;
}

.language-selector label.flag-btn img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.language-selector input[type="radio"]:checked + label {
    border: 2px solid var(--naranja-convocatoria);
    box-shadow: 0 0 0 2px rgba(209, 122, 27, 0.2);
}

.language-selector label.flag-btn:hover {
    opacity: 0.8;
    border-color: var(--naranja-convocatoria);
}

.language-selector input[type="radio"]:focus + label {
    outline: 2px solid var(--naranja-convocatoria);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}


/* ========================================
   6. HERO / PORTADA
   ======================================== */

.hero-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-bottom: 5px solid #ddd;
}

.hero-img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    display: block;
}

/* Título Sobre Portada */
.hero-title-overlay {
    position: absolute;
    top: 10%;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.75);
    padding: 15px 0;
    text-align: center;
    z-index: 2;
}

.hero-title-overlay h1 {
    font-size: 2.2rem;
    margin: 0;
    font-weight: bold;
    color: #000;
    text-transform: uppercase;
}

/* Botón Flotante Naranja */
.btn-flotante-naranja {
    position: absolute;
    bottom: 10%;
    left: 5%;
    background-color: var(--naranja-convocatoria);
    color: var(--blanco);
    padding: 12px 35px;
    border-radius: 12px;
    font-weight: bold;
    text-decoration: none;
    font-size: 1.4rem;
    box-shadow: 3px 3px 15px rgba(0,0,0,0.4);
    z-index: 3;
    transition: transform 0.2s;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-flotante-naranja:hover {
    transform: scale(1.05);
    color: var(--blanco);
}

.btn-flotante-naranja:focus {
    outline: 2px solid var(--blanco);
    outline-offset: 2px;
}

/* Botón Facebook Sobre Portada */
.btn-facebook-sobre-portada {
    position: absolute;
    bottom: 10%;
    right: 5%;
    width: 150px;
    z-index: 15;
    transition: transform var(--transicion);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: block;
}

.btn-facebook-sobre-portada:focus {
    outline: 2px solid var(--naranja-convocatoria);
    outline-offset: 4px;
    border-radius: 4px;
}

.btn-facebook-sobre-portada img {
    width: 100%;
    height: auto;
    filter: drop-shadow(4px 8px 15px rgba(0,0,0,0.5));
    display: block;
}

.btn-facebook-sobre-portada:hover img {
    filter: drop-shadow(4px 8px 15px rgba(0,0,0,0.6)) brightness(1.1);
}


/* ========================================
   7. TARJETAS DE ACCESO RÁPIDO
   ======================================== */

.card-replica {
    background-color: var(--blanco);
    border-radius: 12px;
    box-shadow: var(--sombra-media);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
    transition: transform 0.3s;
}

.card-replica:hover {
    transform: translateY(-5px);
}

.icon-container-replica {
    flex: 0 0 100px;
    width: 100px;
    height: auto;
}

.content-container-replica {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: right;
}

.title-replica {
    font-size: 18px;
    font-weight: bold;
    margin: 0;
    color: #333;
}

.subtitle-replica {
    font-size: 14px;
    margin: 0;
    line-height: 1.4;
    font-weight: 800;
    color: #133665;
}


/* ========================================
   8. MENÚ LATERAL
   ======================================== */

.contenedor-menu-puro {
    background-color: var(--blanco);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e0e0e0;
}

.enlace-puro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    text-decoration: none;
    color: #444;
    transition: 0.2s;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: inherit;
}

.enlace-puro:focus {
    outline: 2px inset var(--naranja-convocatoria);
}

.enlace-puro:hover {
    background-color: rgba(27, 57, 106, 0.02);
}

.enlace-puro.activo {
    background-color: #e7f0ff !important;
    color: var(--azul-tecnm) !important;
    font-weight: bold;
    border-left: 6px solid var(--azul-tecnm) !important;
    padding-left: 14px;
}


/* ========================================
   9. PANEL CENTRAL DINÁMICO
   ======================================== */

.panel-dinamico {
    min-height: 500px;
    background: var(--blanco);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--sombra-fuerte);
}

.panel-dinamico h2,
.panel-dinamico h3 {
    margin-top: 0;
}

#mensaje-vacio {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

#mensaje-vacio i {
    font-size: 4rem;
    color: #ddd;
}

#mensaje-vacio h2 {
    color: #999;
    margin: 15px 0 10px;
}

#mensaje-vacio p {
    color: #999;
    font-size: 14px;
}


/* ========================================
   10. CONTACTO - MARCO INCLINADO
   ======================================== */

.foto-marco {
    width: 130px;
    height: 130px;
    background: #fff;
    padding: 5px;
    border: 1px solid #ccc;
    box-shadow: 4px 4px 8px rgba(0,0,0,0.1);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 85% 100%, 0 100%, 0% 15%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.texto-contacto-titulo {
    font-weight: 800;
    color: var(--azul-tecnm);
    font-size: 0.95rem;
    line-height: 1.2;
}

.texto-contacto-nombre {
    font-size: 1.2rem;
    font-weight: 500;
    color: #333;
}


/* ========================================
   11. FOOTER
   ======================================== */

.footer-replica {
    background: linear-gradient(to right, #1a3668 0%, #3b5998 40%, #6b8bb2 100%);
    color: var(--blanco);
    padding: 40px 0;
    font-size: 14px;
}

.footer-flex-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 90%;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-info-text {
    flex: 1;
    min-width: 300px;
    line-height: 1.6;
}

.footer-info-text h2,
.footer-info-text h3 {
    margin: 0 0 8px 0;
}

.footer-info-text p {
    margin: 0 0 8px 0;
}

.footer-title {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 5px;
}

.footer-linea-bold {
    font-weight: bold;
    font-size: 16px;
    margin-bottom: 5px;
}

.footer-linea-bold a,
.footer-info-text a {
    color: var(--blanco);
    text-decoration: underline;
    transition: opacity 0.2s;
}

.footer-linea-bold a:hover,
.footer-info-text a:hover {
    opacity: 0.8;
}

.footer-linea-bold a:focus,
.footer-info-text a:focus {
    outline: 2px solid var(--blanco);
    outline-offset: 2px;
}

.footer-map-container {
    flex: 0 0 350px;
    height: 200px;
}

.footer-map-container iframe {
    border: none;
    border-radius: 4px;
}


/* ========================================
   12. ANIMACIONES
   ======================================== */

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out;
}

.animate-slide-down {
    animation: slideDown 0.5s ease-out forwards;
}


/* ========================================
   13. MEDIA QUERIES - RESPONSIVE
   ======================================== */

/* Pantallas Extra Large - 1400px y menor */
@media (max-width: 1400px) {
    .menu-central-container {
        gap: 30px;
    }

    .logo-secundario {
        width: 240px;
    }
}

/* Pantallas Large - 1199px y menor */
@media (max-width: 1199px) {
    .header-content {
        gap: 20px;
    }

    .brand-text .title-top {
        font-size: 14px;
    }

    .brand-text .title-mid {
        font-size: 16px;
    }

    .brand-text .title-bottom {
        font-size: 11px;
    }

    .menu-central-container {
        gap: 25px;
    }

    .nav-link-inline {
        padding: 12px 10px;
        font-size: 0.9rem;
    }

    .nav-link-inline span {
        font-size: 0.85rem;
    }

    .nav-link-inline i {
        font-size: 1.2rem;
        margin-bottom: 3px;
    }

    .logo-secundario {
        width: 200px;
    }
}

/* Tablets - 768px y menor */
@media (max-width: 768px) {
    .top-header {
        padding: 12px 0;
    }

    .header-content {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .brand-container {
        gap: 10px;
        order: 1;
        flex-basis: 100%;
        justify-content: center;
    }

    .logo-principal {
        height: 70px;
    }

    .brand-text .title-top {
        font-size: 12px;
    }

    .brand-text .title-mid {
        font-size: 14px;
    }

    .brand-text .title-bottom {
        font-size: 10px;
    }

    .menu-central-container {
        order: 2;
        gap: 15px;
        flex-basis: 100%;
        justify-content: center;
        height: auto;
        padding: 10px 0;
    }

    .nav-link-inline {
        padding: 10px 8px;
        font-size: 0.8rem;
    }

    .nav-link-inline span {
        font-size: 0.75rem;
    }

    .nav-link-inline i {
        font-size: 1rem;
        margin-bottom: 2px;
    }

    .language-selector {
        gap: 6px;
    }

    .language-selector label.flag-btn {
        height: 28px;
        width: 42px;
    }

    .logo-secundario {
        width: 120px;
        order: 3;
        flex-basis: 100%;
        margin-left: 0;
    }
}

/* Móviles - 480px y menor */
@media (max-width: 480px) {
    .top-header {
        padding: 10px 0;
    }

    .header-content {
        gap: 10px;
    }

    .brand-container {
        gap: 8px;
    }

    .logo-principal {
        height: 60px;
    }

    .brand-text .title-top {
        font-size: 11px;
    }

    .brand-text .title-mid {
        font-size: 12px;
    }

    .brand-text .title-bottom {
        font-size: 9px;
    }

    .menu-central-container {
        gap: 12px;
    }

    .nav-link-inline {
        padding: 8px 6px;
        font-size: 0.7rem;
    }

    .nav-link-inline span {
        font-size: 0.65rem;
    }

    .nav-link-inline i {
        font-size: 0.9rem;
        margin-bottom: 1px;
    }

    .language-selector label.flag-btn {
        height: 24px;
        width: 36px;
    }

    .logo-secundario {
        width: 100px;
    }
}