/* ==========================================================================
   SISTEMA DE DISEÑO Y ESTILOS MODERNOS - ITEC IGUAZÚ
   ========================================================================== */

/* IMPORTACIÓN DE FUENTE DESDE GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Paleta de colores refinada (ITEC Moderno) */
    --itec-rojo: #e63946;
    --itec-amarillo: #ffb703;
    --itec-verde: #2a9d8f;
    --itec-azul: #219ebc;
    --itec-azul-oscuro: #023e8a;
    --itec-negro: #1d2d44;
    --itec-gris-claro: #f8f9fa;
    --itec-blanco: #ffffff;

    /* Variaciones suaves para fondos y brillos */
    --itec-rojo-soft: rgba(230, 57, 70, 0.08);
    --itec-amarillo-soft: rgba(255, 183, 3, 0.08);
    --itec-verde-soft: rgba(42, 157, 143, 0.08);
    --itec-azul-soft: rgba(33, 158, 188, 0.08);
    --itec-negro-soft: rgba(29, 45, 68, 0.05);

    /* Gradiantes Premium */
    --gradient-hero: linear-gradient(135deg, rgba(29, 45, 68, 0.85) 0%, rgba(2, 62, 138, 0.75) 100%);
    --gradient-azul: linear-gradient(135deg, var(--itec-azul) 0%, var(--itec-azul-oscuro) 100%);
    --gradient-verde: linear-gradient(135deg, #2a9d8f 0%, #1d3557 100%);
    --gradient-rojo: linear-gradient(135deg, #e63946 0%, #b70918 100%);
    --gradient-warm: linear-gradient(135deg, var(--itec-amarillo) 0%, var(--itec-rojo) 100%);

    /* Sombras Tridimensionales */
    --shadow-sm: 0 4px 6px -1px rgba(29, 45, 68, 0.05), 0 2px 4px -1px rgba(29, 45, 68, 0.03);
    --shadow-md: 0 10px 20px -5px rgba(29, 45, 68, 0.08), 0 4px 6px -2px rgba(29, 45, 68, 0.04);
    --shadow-lg: 0 20px 30px -10px rgba(29, 45, 68, 0.12), 0 8px 10px -5px rgba(29, 45, 68, 0.06);
    --shadow-glow-azul: 0 8px 25px rgba(33, 158, 188, 0.35);
    --shadow-glow-verde: 0 8px 25px rgba(42, 157, 143, 0.35);

    /* Transiciones */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   ESTILOS GENERALES Y TIPOGRAFÍA
   ========================================================================== */
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #333f48;
    background-color: #fafbfc;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .fw-bold {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    color: var(--itec-negro);
}

/* Scrollbar Personalizado */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #c1c5cc;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #9fa4ad;
}

/* Selección de Texto */
::selection {
    background-color: var(--itec-azul-soft);
    color: var(--itec-azul-oscuro);
}

/* Separadores de Sección */
.section-indicator {
    height: 4px;
    width: 50px;
    background: var(--gradient-warm);
    border-radius: 10px;
    margin: 15px auto;
}

/* ==========================================================================
   NAVBAR (GLASSMORPHISM & INTERACTIONS)
   ========================================================================== */
.navbar-itec {
    background-color: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: none !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-normal);
}

.navbar-itec.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.95) !important;
}

.navbar-itec .nav-link {
    color: var(--itec-negro) !important;
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 1rem !important;
    transition: var(--transition-fast);
}

.navbar-itec .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--itec-azul);
    border-radius: 10px;
    transition: var(--transition-normal);
    transform: translateX(-50%);
}

.navbar-itec .nav-link:hover {
    color: var(--itec-azul) !important;
}

.navbar-itec .nav-link:hover::after {
    width: 60%;
}

.navbar-itec .nav-link.active {
    color: var(--itec-rojo) !important;
}

.navbar-itec .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 60%;
    height: 3px;
    background: var(--itec-rojo);
    transform: translateX(-50%);
}

/* Botón Portal en Navbar */
.btn-itec-portal {
    background: var(--gradient-azul);
    border: none;
    box-shadow: var(--shadow-glow-azul);
    color: white !important;
    border-radius: 30px;
    font-weight: 600;
    padding: 0.6rem 1.5rem !important;
    transition: var(--transition-normal);
}

.btn-itec-portal:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(33, 158, 188, 0.45);
    color: white !important;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-wrapper {
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 80px;
    padding-bottom: 80px;
}

.hero-glass-card {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    border-radius: 24px;
    transition: var(--transition-slow);
}

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

/* Wave Separator */
.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}

.wave-container svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 50px;
}

.wave-container .shape-fill {
    fill: #fafbfc;
}

/* ==========================================================================
   TARJETAS INTERACTIVAS Y COMPONENTES
   ========================================================================== */

/* Tarjetas de Misión / Visión */
.info-card-hover {
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition-slow);
}
.info-card-hover:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg) !important;
}

/* Tarjetas de Valores */
.valor-card {
    background: var(--itec-blanco);
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.02) !important;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.valor-card:hover {
    transform: translateY(-8px);
    background-color: var(--itec-blanco);
    box-shadow: var(--shadow-md);
    border-color: rgba(42, 157, 143, 0.15) !important;
}

/* Tarjetas de Carreras */
.carrera-card {
    border-radius: 20px;
    overflow: hidden;
    background: var(--itec-blanco);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-md);
}

.carrera-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-lg);
}

.carrera-card .card-img-container {
    overflow: hidden;
    position: relative;
    height: 240px;
}

.carrera-card .card-img-top {
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-slow);
}

.carrera-card:hover .card-img-top {
    transform: scale(1.08);
}

/* Overlay sutil sobre la foto de carrera */
.carrera-card .card-img-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 60%, rgba(0,0,0,0.4) 100%);
}

.carrera-card .badge-nivel {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 3;
    padding: 0.5rem 1rem;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.carrera-card .card-body {
    padding: 1.75rem;
}

.carrera-card .btn-ver-mas {
    border-radius: 50px;
    font-weight: 700;
    padding: 0.6rem 1.5rem;
    transition: var(--transition-fast);
}

.carrera-card:hover .btn-ver-mas-azul {
    background: var(--itec-azul-oscuro) !important;
    border-color: var(--itec-azul-oscuro) !important;
}

.carrera-card:hover .btn-ver-mas-verde {
    background: #1d3557 !important;
    border-color: #1d3557 !important;
}

/* Tarjetas de Novedades / Noticias */
.novedad-card {
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-sm);
    border: none;
}

.novedad-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

/* Tarjetas de Contacto */
.contact-card {
    background: var(--itec-blanco);
    border-radius: 16px;
    transition: var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md) !important;
}

/* Botones de Redes Sociales */
.social-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--itec-blanco);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    color: var(--itec-negro);
}

.social-btn:hover {
    transform: translateY(-4px) scale(1.05);
    color: var(--itec-blanco);
}

/* ==========================================================================
   LÍNEA DE TIEMPO HISTÓRICA (PÁGINA INSTITUCIONAL)
   ========================================================================== */
.timeline-modern {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline-modern::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: rgba(29, 45, 68, 0.1);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: 10px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}

/* Círculos de la línea de tiempo */
.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--itec-blanco);
    border: 4px solid var(--itec-azul);
    top: 30px;
    border-radius: 50%;
    z-index: 1;
    transition: var(--transition-normal);
    box-shadow: 0 0 0 4px rgba(33, 158, 188, 0.15);
}

.timeline-item.right::after {
    border-color: var(--itec-rojo);
    box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.15);
}

.timeline-item:hover::after {
    transform: scale(1.2);
}

/* Contenedores Izquierda y Derecha */
.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-item.right::after {
    left: -10px;
}

/* Burbujas de Contenido */
.timeline-card {
    padding: 25px;
    background-color: var(--itec-blanco);
    position: relative;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.02);
    transition: var(--transition-normal);
}

.timeline-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.timeline-year {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 5px;
    display: inline-block;
}

/* Responsividad para la Línea de Tiempo */
@media screen and (max-width: 768px) {
    .timeline-modern::after {
        left: 31px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    .timeline-item.left {
        left: 0;
    }
    .timeline-item.right {
        left: 0;
    }
    .timeline-item::after {
        left: 21px;
        right: auto;
    }
    .timeline-item.right::after {
        left: 21px;
    }
}

/* ==========================================================================
   PORTAL SELECTION (PORTAL.BLADE.PHP)
   ========================================================================== */
.portal-card {
    border-radius: 24px !important;
    transition: var(--transition-slow);
    border: 1px solid rgba(0, 0, 0, 0.03) !important;
}

.portal-card:hover {
    transform: translateY(-12px);
}

.portal-card.card-secundario:hover {
    box-shadow: 0 20px 40px rgba(33, 158, 188, 0.15) !important;
    border-color: rgba(33, 158, 188, 0.25) !important;
}

.portal-card.card-superior:hover {
    box-shadow: 0 20px 40px rgba(42, 157, 143, 0.15) !important;
    border-color: rgba(42, 157, 143, 0.25) !important;
}

.portal-icon-wrapper {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: var(--transition-normal);
}

.portal-card:hover .portal-icon-wrapper {
    transform: scale(1.1);
}

.portal-btn {
    font-weight: 700;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.portal-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   CENTRO DE RECURSOS (RECURSOS.BLADE.PHP)
   ========================================================================== */
.recurso-card {
    background: var(--itec-blanco);
    border-radius: 18px;
    border: 1px solid rgba(0, 0, 0, 0.03) !important;
    transition: var(--transition-normal);
}

.recurso-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg) !important;
}

.recurso-card .icon-container {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.recurso-card:hover .icon-container {
    transform: scale(1.1);
}

/* ==========================================================================
   WHATSAPP BOTÓN FLOTANTE (PULSE EFFECT)
   ========================================================================== */
.btn-whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    text-decoration: none !important;
    transition: var(--transition-normal);
}

.btn-whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
    color: white;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

.btn-whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25d366;
    opacity: 0.5;
    z-index: -1;
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}