/* ACADEMIA HUB - DISEÑO MODERNO Y PROFESIONAL */

/* =========================================
   VARIABLES CSS Y CONFIGURACIÓN GENERAL
   ========================================= */

:root {
    /* Colores principales - Paleta moderna */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #dbeafe;
    --primary-hover: #2563eb;
    
    /* Colores secundarios */
    --secondary-color: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #f1f5f9;
    
    /* Colores de acento y funcionales */
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fef3c7;
    
    --success-color: #10b981;
    --success-dark: #059669;
    --success-light: #d1fae5;
    
    --info-color: #06b6d4;
    --info-dark: #0891b2;
    --info-light: #cffafe;
    
    --warning-color: #f59e0b;
    --warning-dark: #d97706;
    --warning-light: #fef3c7;
    
    --danger-color: #ef4444;
    --danger-dark: #dc2626;
    --danger-light: #fee2e2;
    
    /* Colores neutros */
    --light-color: #f8fafc;
    --light-gray: #e2e8f0;
    --medium-gray: #cbd5e1;
    --dark-gray: #64748b;
    --dark-color: #1e293b;
    
    /* Espaciado */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Bordes y sombras */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 14px;
    --border-radius-xl: 20px;
    --border-radius-pill: 50rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Tipografía */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-family-headings: 'Poppins', sans-serif;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Normalización y reset básico */
*, 
*::before, 
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Estilos generales y base */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    color: var(--dark-gray);
    background-color: var(--light-color);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-headings);
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: -0.5px;
}

/* =========================================
   ESTILOS DEL HEADER
   ========================================= */

/* Franja de contacto superior */
.contact-strip {
    font-size: 0.875rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    box-shadow: var(--shadow-sm);
}

.contact-strip span {
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-strip i {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* Header principal */
.main-header {
    position: relative;
    z-index: 1000;
    background: white;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.main-header:hover {
    box-shadow: var(--shadow-md);
}

.header-logo {
    display: block;
    transition: transform var(--transition-normal);
}

.header-logo:hover {
    transform: scale(1.08);
}

.header-logo img {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: filter var(--transition-normal);
}

.header-logo:hover img {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.header-titles {
    position: relative;
}

.school-name {
    font-family: var(--font-family-headings);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.1;
    letter-spacing: -0.8px;
}

.school-slogan {
    font-family: var(--font-family-base);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--secondary-color);
    letter-spacing: 0.3px;
    margin-top: 0.25rem;
}

/* Botones de acceso */
.header-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.header-buttons .btn {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.header-buttons .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
    color: white;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.header-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(30, 64, 175, 0.3);
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
}

.header-buttons .btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
}

.header-buttons .btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.main-header .btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.main-header .btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Botón de toggle para móvil */
.navbar-toggler {
    border: none;
    background: var(--light-gray);
    padding: 0.6rem;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.navbar-toggler:hover {
    background: var(--primary-color);
    color: white;
}

.navbar-toggler i {
    color: var(--primary-color);
    transition: color var(--transition-normal);
}

.navbar-toggler:hover i {
    color: white;
}

/* Acciones flotantes para móvil */
.floating-actions {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    z-index: 1000;
    pointer-events: none;
}

.floating-actions-inner {
    pointer-events: auto;
    max-width: 360px;
    margin: 0 auto;
    background: white;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 0.75rem;
    display: flex;
    justify-content: space-around;
}

.floating-action-item {
    text-decoration: none;
    padding: 0.75rem;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
    text-align: center;
    color: var(--dark-gray);
}

.floating-action-item:hover {
    transform: translateY(-3px);
    color: var(--primary-color);
}

.floating-action-item i {
    font-size: 1.3rem;
}

.floating-action-item span {
    font-size: 0.7rem;
    font-weight: 600;
    color: inherit;
}

.floating-action-item:hover, 
.floating-action-item:focus {
    transform: translateY(-3px);
    color: var(--primary-color) !important;
}

.floating-action-item i {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.floating-action-item span {
    font-size: 0.75rem;
    color: var(--dark-gray);
}

/* =========================================
   ESTILOS PARA LA BARRA DE NAVEGACIÓN
   ========================================= */

.main-navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-md);
    border-top: 3px solid var(--accent-color);
}

.main-navbar .navbar-nav .nav-link {
    color: white;
    padding: 0.875rem 1.25rem;
    font-weight: 600;
    position: relative;
    transition: all var(--transition-normal);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.main-navbar .navbar-nav .nav-link:hover,
.main-navbar .navbar-nav .nav-link:focus {
    color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.08);
}

.main-navbar .navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--accent-color);
    font-weight: 700;
}

.main-navbar .navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 0;
    background-color: var(--accent-color);
    transition: width var(--transition-normal);
}

.main-navbar .navbar-nav .nav-link:hover::before,
.main-navbar .navbar-nav .nav-link.active::before {
    width: 100%;
}

/* Estilos para los dropdowns del menú */
.main-navbar .dropdown-menu {
    margin-top: 0;
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    background: white;
    margin-top: 0.25rem;
}

.main-navbar .dropdown-item {
    padding: 0.85rem 1.5rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    color: var(--dark-gray);
    border-left: 3px solid transparent;
}

.main-navbar .dropdown-item:hover,
.main-navbar .dropdown-item:focus {
    background-color: var(--light-color);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    transform: translateX(5px);
}

.main-navbar .dropdown-item.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
}

/* Formulario de búsqueda */
.main-navbar .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border: none;
}

.main-navbar .btn-light {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    background: white;
    border: none;
    color: var(--primary-color);
}

/* =========================================
   ESTILOS RESPONSIVOS PARA HEADER Y MENÚ
   ========================================= */

@media (max-width: 767.98px) {
    /* Ajustes para el header en dispositivos móviles */
    .school-name {
        font-size: 1.4rem;
    }
    
    .school-slogan {
        font-size: 0.85rem;
    }
    
    /* Ajustes para el menú en dispositivos móviles */
    .main-navbar .navbar-nav .nav-link {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 0.8rem 1rem;
    }
    
    .main-navbar .navbar-nav .nav-link::after {
        display: none;
    }
    
    .main-navbar .dropdown-menu {
        background-color: rgba(0, 0, 0, 0.05);
        border: none;
        box-shadow: none;
    }
    
    .main-navbar .dropdown-item {
        color: rgba(255, 255, 255, 0.8);
    }
    
    .main-navbar .dropdown-item:hover {
        background-color: rgba(0, 0, 0, 0.1);
        color: white;
    }
}

@media (max-width: 575.98px) {
    /* Ajustes adicionales para dispositivos muy pequeños */
    .school-name {
        font-size: 1.2rem;
    }
    
    .floating-actions-inner {
        max-width: 300px;
    }
    
    .floating-action-item i {
        font-size: 1.1rem;
    }
    
    .floating-action-item span {
        font-size: 0.7rem;
    }
}

/* =========================================
   COMPONENTES GENERALES
   ========================================= */

/* Tarjetas */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    border-bottom: none;
    font-weight: 600;
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-bottom: 1px solid var(--light-gray);
    color: white;
    font-size: 1.15rem;
    letter-spacing: 0.5px;

.card-header h4,
.card-header h5,
.card-header h6,
.card-header p {
    color: white;
    margin-bottom: 0;
}

.card-footer {
    background-color: var(--light-color);
    border-top: 1px solid var(--light-gray);
    padding: var(--space-md) var(--space-lg);
}

/* Botones */
.btn {
    border-radius: var(--border-radius-md);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-secondary {
    background: var(--secondary-light);
    color: var(--secondary-dark);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), var(--success-dark));
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), var(--warning-dark));
    color: white;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-dark));
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius-lg);
    padding: 1rem 1.5rem;
    border-left: 4px solid;
}

.alert-primary {
    background: var(--primary-light);
    color: var(--primary-dark);
    border-left-color: var(--primary-color);
}

.alert-success {
    background: var(--success-light);
    color: var(--success-dark);
    border-left-color: var(--success-color);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
    border-left-color: var(--warning-color);
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger-dark);
    border-left-color: var(--danger-color);
}

/* Badges */
.badge {
    padding: 0.5rem 0.875rem;
    border-radius: var(--border-radius-pill);
    font-weight: 600;
    font-size: 0.8rem;
}

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

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

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 0 rgba(30, 64, 175, 0);
    }
    50% {
        box-shadow: 0 0 20px rgba(30, 64, 175, 0.3);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
}
/* =========================================
   FOOTER STYLES
   ========================================= */

.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
    z-index: 0;
}

.footer-main {
    position: relative;
    z-index: 1;
}

.footer-widget {
    margin-bottom: 2rem;
}

.footer-widget-title {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-widget-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), transparent);
    border-radius: 2px;
}

.footer-text {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Footer Social Icons */
.footer-social-icons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.footer-social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.footer-social-icon:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-links a i {
    color: var(--accent-color);
    font-size: 0.8rem;
}

/* Footer Contact Info */
.footer-contact-item {
    display: flex;
    margin-bottom: 1.25rem;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-contact-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 0.95rem;
}

.footer-contact-text p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}
    flex: 1;
}

.footer-contact-text p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer Map */
.footer-map {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* Footer Bottom */
.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    font-size: 0.85rem;
}

.footer-copyright, 
.footer-developer {
    color: rgba(255, 255, 255, 0.6);
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-contact-text p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Footer Bottom */
.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    font-size: 0.9rem;
}

.footer-copyright, 
.footer-developer {
    color: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0;
}

.footer-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-link:hover {
    color: white;
    text-decoration: underline;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
    cursor: pointer;
    border: none;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.35);
}

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

@media (max-width: 767.98px) {
    .school-name {
        font-size: 1.4rem;
    }
    
    .school-slogan {
        font-size: 0.85rem;
    }
    
    .header-buttons {
        width: 100%;
        margin-top: 1rem;
    }
    
    .header-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .main-navbar .navbar-nav .nav-link {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .main-navbar .dropdown-menu {
        background-color: rgba(0, 0, 0, 0.05);
    }
    
    .main-navbar .dropdown-item {
        color: rgba(255, 255, 255, 0.85);
    }
    
    .main-navbar .dropdown-item:hover {
        background-color: rgba(0, 0, 0, 0.1);
        color: white;
    }
    
    .footer-widget-title {
        margin-top: 15px;
    }
    
    .footer-bottom [class*="col-"] {
        text-align: center !important;
    }
    
    .footer-copyright {
        margin-bottom: 10px;
    }
}

@media (max-width: 575.98px) {
    .school-name {
        font-size: 1.2rem;
    }
    
    .floating-actions-inner {
        max-width: 280px;
    }
    
    .floating-action-item {
        padding: 0.5rem;
    }
    
    .floating-action-item i {
        font-size: 1.1rem;
    }
    
    .floating-action-item span {
        font-size: 0.65rem;
    }
}

/* Mejoras de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}