/* ==========================================================================
   Seminario Teológico Esdras - Estilos Personalizados
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Variables CSS y Configuración Base
   -------------------------------------------------------------------------- */
:root {
    /* Colores principales */
    --color-primary: #1E3A8A;
    --color-secondary: #3B82F6;
    --color-white: #FFFFFF;
    --color-accent: #F59E0B;
    --color-success: #10B981;
    --color-gray-light: #F3F4F6;
    --color-gray-dark: #374151;
    --color-gray-medium: #6B7280;

    /* Tipografías */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Header heights */
    --header-height: 80px;
    --header-height-scrolled: 60px;
    --topbar-height: 40px;
}

/* --------------------------------------------------------------------------
   2. Reset y Estilos Base
   -------------------------------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + var(--topbar-height));
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 1.75rem; }
}

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

/* --------------------------------------------------------------------------
   3. Top Bar
   -------------------------------------------------------------------------- */
.top-bar {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 0;
    font-size: 0.875rem;
    position: relative;
    z-index: 1001;
}

.top-bar a {
    color: var(--color-white);
    opacity: 0.9;
    transition: opacity var(--transition-fast);
}

.top-bar a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.top-bar .social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    margin-left: 0.5rem;
    transition: background-color var(--transition-fast);
}

.top-bar .social-links a:hover {
    background-color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   4. Header / Navbar
   -------------------------------------------------------------------------- */
.navbar-main {
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    transition: all var(--transition-normal);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-main.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-brand img {
    height: 50px;
    width: auto;
    transition: height var(--transition-normal);
}

.navbar-main.scrolled .navbar-brand img {
    height: 40px;
}

.navbar-brand-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.navbar-brand-text small {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-gray-medium);
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--color-gray-dark);
    padding: 0.5rem 1rem;
    position: relative;
    transition: color var(--transition-fast);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-primary);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.navbar-toggler:focus,
.navbar-toggler:active {
    box-shadow: none;
    outline: none;
    background-color: transparent;
}

/* Mobile Side Drawer */
@media (max-width: 991.98px) {
    .navbar-main {
        padding: 0.75rem 0;
    }

    .navbar-brand img {
        height: 42px;
    }

    .navbar-brand-text {
        font-size: 1rem;
    }

    .navbar-brand-text small {
        font-size: 0.65rem;
    }

    /* Botón hamburguesa */
    .navbar-toggler {
        width: 44px;
        height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: var(--color-gray-light) !important;
        border-radius: var(--radius-md);
        border: none !important;
    }

    .navbar-toggler:active,
    .navbar-toggler:focus,
    .navbar-toggler:hover {
        background-color: var(--color-gray-light) !important;
        outline: none !important;
        box-shadow: none !important;
    }

    .navbar-toggler svg {
        width: 22px;
        height: 22px;
        color: var(--color-gray-dark);
    }

    /* Menú lateral */
    .navbar-collapse {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-light) 100%);
        box-shadow: var(--shadow-xl);
        padding: 1.5rem;
        transition: right var(--transition-normal);
        z-index: 1050;
        overflow-y: auto;
    }

    .navbar-collapse.show {
        right: 0;
    }

    .navbar-nav {
        flex-direction: column;
        padding-top: 3rem;
    }

    .navbar-nav .nav-item {
        margin-bottom: 0.25rem;
    }

    .navbar-nav .nav-link {
        padding: 1rem 1.25rem;
        font-size: 1.1rem;
        border-radius: var(--radius-md);
        border-bottom: none;
        transition: all var(--transition-fast);
    }

    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
        background-color: var(--color-primary);
        color: var(--color-white);
    }

    .navbar-nav .nav-link::after {
        display: none;
    }

    /* Botón CTA en menú móvil */
    .navbar-nav .btn-navbar-cta {
        display: block;
        width: 100%;
        text-align: center;
        margin-top: 1rem;
        padding: 1rem;
        font-size: 1.1rem;
        background: linear-gradient(135deg, var(--color-accent) 0%, #D97706 100%);
        border-radius: var(--radius-md);
    }

    /* Botón cerrar */
    .mobile-close {
        position: absolute;
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: var(--color-gray-light);
        border: none;
        border-radius: var(--radius-full);
        cursor: pointer;
        color: var(--color-gray-dark);
        transition: all var(--transition-fast);
    }

    .mobile-close:hover {
        background-color: var(--color-primary);
        color: var(--color-white);
    }

    /* Backdrop */
    .navbar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 1040;
    }

    .navbar-backdrop.show {
        opacity: 1;
        visibility: visible;
    }
}

/* CTA Button en navbar */
.btn-navbar-cta {
    background-color: var(--color-accent);
    color: var(--color-white);
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.btn-navbar-cta:hover {
    background-color: #D97706;
    color: var(--color-white);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #2563EB 100%);
    overflow: hidden;
    padding: var(--spacing-xxl) 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease 0.3s backwards;
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }
}

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

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

/* --------------------------------------------------------------------------
   6. Secciones Generales
   -------------------------------------------------------------------------- */
.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title h2 {
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-sm);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
}

.section-title p {
    color: var(--color-gray-medium);
    font-size: 1.125rem;
    max-width: 600px;
    margin: var(--spacing-sm) auto 0;
}

.section-light {
    background-color: var(--color-gray-light);
}

.section-dark {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.section-dark h2,
.section-dark h3 {
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   7. Tarjetas
   -------------------------------------------------------------------------- */
.card-custom {
    background-color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    overflow: hidden;
    height: 100%;
}

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

.card-custom .card-body {
    padding: var(--spacing-md);
}

.card-custom .card-title {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.card-icon svg {
    width: 30px;
    height: 30px;
    color: var(--color-white);
}

/* Tarjeta de nivel académico */
.card-nivel {
    border-top: 4px solid var(--color-accent);
}

.card-nivel .nivel-badge {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.card-nivel .nivel-duracion {
    color: var(--color-gray-medium);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

/* --------------------------------------------------------------------------
   8. Botones
   -------------------------------------------------------------------------- */
.btn {
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: #1E40AF;
    border-color: #1E40AF;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #2563EB;
    border-color: #2563EB;
}

.btn-accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background-color: #D97706;
    border-color: #D97706;
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline-light {
    border-width: 2px;
}

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

.btn-whatsapp {
    background-color: #25D366;
    border-color: #25D366;
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    border-color: #128C7E;
    color: var(--color-white);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* --------------------------------------------------------------------------
   9. Malla Curricular / Acordeón
   -------------------------------------------------------------------------- */
.accordion-custom .accordion-item {
    border: none;
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-custom .accordion-button {
    background-color: var(--color-white);
    font-weight: 600;
    color: var(--color-primary);
    padding: 1rem 1.5rem;
}

.accordion-custom .accordion-button:not(.collapsed) {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: none;
}

.accordion-custom .accordion-button::after {
    filter: brightness(0) saturate(100%);
}

.accordion-custom .accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1);
}

.accordion-custom .accordion-body {
    padding: var(--spacing-md);
}

.curso-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.curso-item:last-child {
    border-bottom: none;
}

.curso-item::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    margin-right: 0.75rem;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   10. Modalidades
   -------------------------------------------------------------------------- */
.modalidad-card {
    position: relative;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modalidad-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.modalidad-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.modalidad-icon img {
    border: 2px solid var(--color-gray-dark);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    max-width: 100%; /* Asegura que la imagen no exceda el contenedor */
    height: auto; /* Mantiene la proporción de la imagen */
    margin: 10px 0; /* Espaciado vertical */
}

.horario-item {
    display: flex;
    align-items: flex-start;
    padding: 0.75rem 0;
    border-bottom: 1px dashed var(--color-gray-light);
}

.horario-item:last-child {
    border-bottom: none;
}

.horario-dia {
    font-weight: 600;
    color: var(--color-primary);
    min-width: 120px;
}

/* --------------------------------------------------------------------------
   11. Admisión / Costos
   -------------------------------------------------------------------------- */
.precio-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.precio-card:hover {
    border-color: var(--color-accent);
}

.precio-card.destacado {
    border-color: var(--color-primary);
    position: relative;
}

.precio-card.destacado::before {
    content: 'Recomendado';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.precio-monto {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.precio-monto small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-gray-medium);
}

/* --------------------------------------------------------------------------
   12. Formularios
   -------------------------------------------------------------------------- */
.form-control,
.form-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-label {
    font-weight: 500;
    color: var(--color-gray-dark);
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--color-gray-medium);
    font-size: 0.875rem;
}

/* Formulario de WhatsApp */
.whatsapp-form {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   13. Libro de Reclamaciones
   -------------------------------------------------------------------------- */
.reclamo-form {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.tipo-selector {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.tipo-selector .form-check {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tipo-selector .form-check:has(input:checked) {
    border-color: var(--color-primary);
    background-color: rgba(30, 58, 138, 0.05);
}

.tipo-selector .form-check-label {
    cursor: pointer;
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   14. Repositorio / Blog
   -------------------------------------------------------------------------- */
.articulo-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.articulo-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.articulo-card .card-body {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.articulo-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-gray-medium);
    margin-bottom: var(--spacing-sm);
}

.articulo-categoria {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.articulo-card .btn {
    margin-top: auto;
}

/* --------------------------------------------------------------------------
   15. Contacto
   -------------------------------------------------------------------------- */
.contacto-info {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2563EB 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    height: 100%;
}

.contacto-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.contacto-item svg {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
    color: var(--color-accent);
}

.contacto-item a {
    color: var(--color-white);
}

.contacto-item a:hover {
    color: var(--color-accent);
}

.mapa-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mapa-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* --------------------------------------------------------------------------
   16. FAQ / Preguntas Frecuentes
   -------------------------------------------------------------------------- */
.faq-item {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1.25rem;
    background-color: transparent;
    border: none;
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--color-gray-light);
}

.faq-question svg {
    transition: transform var(--transition-fast);
}

.faq-question[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.25rem 1.25rem;
    color: var(--color-gray-dark);
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer h5 {
    color: var(--color-white);
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 60px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom a:hover {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   18. Utilidades
   -------------------------------------------------------------------------- */
.text-accent {
    color: var(--color-accent);
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2563EB 100%);
}

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
    margin: var(--spacing-sm) 0;
}

.divider-center {
    margin-left: auto;
    margin-right: auto;
}

/* Scroll to top button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.scroll-top:hover {
    background-color: var(--color-accent);
    transform: translateY(-5px);
}

/* WhatsApp floating button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    color: var(--color-white);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

/* --------------------------------------------------------------------------
   19. Animaciones de scroll
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* --------------------------------------------------------------------------
   20. Páginas Legales
   -------------------------------------------------------------------------- */
.legal-content {
    padding: var(--spacing-xxl) 0;
}

.legal-content h1 {
    margin-bottom: var(--spacing-lg);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal-content p,
.legal-content ul {
    margin-bottom: var(--spacing-sm);
}

.legal-content ul {
    padding-left: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   21. Página de confirmación
   -------------------------------------------------------------------------- */
.confirmacion-box {
    text-align: center;
    padding: var(--spacing-xxl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.confirmacion-icon {
    width: 100px;
    height: 100px;
    background-color: var(--color-success);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.confirmacion-icon svg {
    width: 50px;
    height: 50px;
    color: var(--color-white);
}

.numero-reclamo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    background-color: var(--color-gray-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    display: inline-block;
    margin: var(--spacing-md) 0;
}

/* --------------------------------------------------------------------------
   22. Media Queries adicionales
   -------------------------------------------------------------------------- */
@media (max-width: 575.98px) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .precio-monto {
        font-size: 2.5rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        left: 20px;
    }

    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* ==========================================================================
   23. MOBILE FIRST - Estilos Optimizados para Móviles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Mobile Base Styles (hasta 767px)
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    /* Tipografía móvil mejorada */
    html {
        font-size: 15px;
    }

    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }

    /* Espaciado de secciones más compacto */
    .section {
        padding: 3rem 0;
    }

    .section-title {
        margin-bottom: 2rem;
    }

    .section-title p {
        font-size: 1rem;
        padding: 0 0.5rem;
    }

    /* Container más pequeño en móviles */
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

/* --------------------------------------------------------------------------
   Hero Section Mobile - Espectacular
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .hero-section {
        min-height: auto;
        padding: 2.5rem 0 3rem;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.9rem;
        margin-bottom: 1rem;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.25;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        opacity: 0.95;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
        justify-content: center;
    }

    .hero-buttons .btn {
        width: 100%;
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .hero-buttons .btn-lg {
        padding: 1rem 1.5rem;
    }

    /* Imagen del hero en móvil */
    .hero-image {
        order: 1;
        margin-bottom: 2rem;
    }

    .hero-image img {
        border-radius: 1rem;
        max-height: 250px;
        width: 100%;
        object-fit: cover;
        object-position: center;
    }

    /* Reordenar columnas en móvil */
    .hero-section .row {
        flex-direction: column;
    }

    .hero-section .col-lg-6:first-child {
        order: 2;
    }

    .hero-section .col-lg-6:last-child {
        order: 1;
    }
}

/* --------------------------------------------------------------------------
   Tarjetas de Niveles Académicos - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .card-nivel {
        margin-bottom: 0;
    }

    .card-nivel .card-body {
        padding: 1.25rem;
    }

    .card-nivel .nivel-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }

    .card-nivel .card-title {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }

    .card-nivel .nivel-duracion {
        font-size: 0.8rem;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
    }

    .card-nivel .card-text {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 1rem;
    }

    .card-nivel .btn {
        width: 100%;
        padding: 0.75rem;
    }

    /* Grid de tarjetas en móvil - 2 columnas */
    .section-light .row.g-4 > [class*="col-"] {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .section-light .row.g-4 {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
}

/* Tarjetas en pantallas muy pequeñas - 1 columna */
@media (max-width: 400px) {
    .col-md-6.col-lg-3 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* --------------------------------------------------------------------------
   Modalidades - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .modalidad-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .modalidad-card h3 {
        font-size: 1.25rem;
        margin-bottom: 0.5rem;
    }

    .modalidad-card p.text-muted {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .modalidad-icon {
        width: 100%;
        height: auto;
        max-width: 200px;
        margin: 0 auto 1.25rem;
        border-radius: var(--radius-lg);
        padding: 0;
        background: transparent;
    }

    .modalidad-icon img {
        width: 100%;
        height: auto;
        max-height: 150px;
        object-fit: contain;
        padding: 1rem;
        margin: 0;
    }

    .horario-item {
        flex-direction: column;
        padding: 0.875rem 0;
        gap: 0.25rem;
    }

    .horario-dia {
        min-width: auto;
        font-size: 0.9rem;
        color: var(--color-primary);
    }

    .horario-item span:not(.horario-dia) {
        font-size: 0.85rem;
        color: var(--color-gray-dark);
    }

    .modalidad-card .btn {
        width: 100%;
        margin-top: 1.5rem;
    }
}

/* --------------------------------------------------------------------------
   Misión Section - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .section .row.align-items-center {
        text-align: center;
    }

    .section .row.align-items-center img {
        max-height: 250px;
        object-fit: cover;
        margin-bottom: 1.5rem;
    }

    .section .row.align-items-center h2 {
        font-size: 1.5rem;
    }

    .section .row.align-items-center .divider {
        margin-left: auto;
        margin-right: auto;
    }

    .section .row.align-items-center .lead {
        font-size: 1rem;
    }

    .section .row.align-items-center p {
        font-size: 0.95rem;
    }

    .section .row.align-items-center .btn {
        width: 100%;
        max-width: 280px;
    }
}

/* --------------------------------------------------------------------------
   CTA Admisión Section - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .section-dark {
        padding: 2.5rem 0;
    }

    .section-dark h2 {
        font-size: 1.4rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    .section-dark .lead {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .section-dark .d-flex {
        flex-direction: column;
        gap: 0.75rem;
    }

    .section-dark .btn {
        width: 100%;
        padding: 1rem;
        font-size: 0.95rem;
    }

    .section-dark .btn svg {
        width: 18px;
        height: 18px;
    }
}

/* --------------------------------------------------------------------------
   Galería Vida Estudiantil - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .section-light .row.g-3 {
        margin-left: -0.375rem;
        margin-right: -0.375rem;
    }

    .section-light .row.g-3 > [class*="col-"] {
        padding-left: 0.375rem;
        padding-right: 0.375rem;
        margin-bottom: 0.75rem;
    }

    .section-light .row.g-3 img {
        border-radius: 0.75rem;
        height: 140px;
        object-fit: cover;
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   Footer - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .footer {
        padding: 3rem 0 1.5rem;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .footer-logo img {
        height: 50px;
    }

    .footer .text-white-50 {
        font-size: 0.9rem;
        max-width: 280px;
        margin: 0 auto;
    }

    .footer-social {
        justify-content: center;
        margin-top: 1rem;
    }

    .footer h5 {
        margin-top: 2rem;
        margin-bottom: 1rem;
        font-size: 1.1rem;
    }

    .footer-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem 1rem;
    }

    .footer-links li {
        margin-bottom: 0;
    }

    .footer-links a {
        font-size: 0.9rem;
        padding: 0.25rem 0;
        display: inline-block;
    }

    .footer-links a:hover {
        padding-left: 0;
    }

    /* Contacto en footer mobile */
    .footer .col-lg-4:last-child {
        margin-top: 1.5rem;
    }

    .contacto-item {
        justify-content: center;
        text-align: left;
        display: inline-flex;
        margin-bottom: 0.75rem;
    }

    .contacto-item svg {
        width: 20px;
        height: 20px;
    }

    .contacto-item span,
    .contacto-item a {
        font-size: 0.9rem;
    }

    .footer-bottom {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }

    .footer-bottom p {
        font-size: 0.8rem;
        margin-bottom: 0.75rem;
    }

    .footer-bottom .row > div {
        text-align: center !important;
    }

    .footer-bottom a {
        font-size: 0.8rem;
    }

    .footer-bottom .mx-2 {
        margin-left: 0.5rem !important;
        margin-right: 0.5rem !important;
    }
}

/* --------------------------------------------------------------------------
   Botones Flotantes - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: 16px;
        left: 16px;
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }

    .scroll-top {
        width: 44px;
        height: 44px;
        bottom: 16px;
        right: 16px;
    }

    .scroll-top svg {
        width: 20px;
        height: 20px;
    }
}

/* --------------------------------------------------------------------------
   Formularios - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .form-control,
    .form-select {
        padding: 0.875rem 1rem;
        font-size: 16px; /* Evita zoom en iOS */
    }

    .form-label {
        font-size: 0.9rem;
    }

    .whatsapp-form,
    .reclamo-form {
        padding: 1.25rem;
    }

    .tipo-selector {
        flex-direction: column;
        gap: 0.75rem;
    }

    .tipo-selector .form-check {
        padding: 0.875rem;
    }
}

/* --------------------------------------------------------------------------
   Precios/Admisión - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .precio-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .precio-monto {
        font-size: 2.25rem;
    }

    .precio-monto small {
        font-size: 0.875rem;
    }
}

/* --------------------------------------------------------------------------
   Acordeón/Malla Curricular - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .accordion-custom .accordion-button {
        padding: 0.875rem 1rem;
        font-size: 0.95rem;
    }

    .accordion-custom .accordion-body {
        padding: 1rem;
    }

    .curso-item {
        font-size: 0.9rem;
        padding: 0.5rem 0;
    }

    .curso-item::before {
        width: 6px;
        height: 6px;
        margin-right: 0.5rem;
    }
}

/* --------------------------------------------------------------------------
   Animaciones suaves en móvil
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .fade-in,
    .fade-in-left,
    .fade-in-right {
        transform: translateY(20px);
    }

    .fade-in-left,
    .fade-in-right {
        transform: translateY(20px);
    }
}

/* --------------------------------------------------------------------------
   Mejoras de accesibilidad táctil
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    /* Áreas táctiles mínimas de 44px */
    .btn {
        min-height: 44px;
    }

    a, button {
        touch-action: manipulation;
    }

    /* Mejor contraste para texto pequeño */
    small, .small {
        font-size: 0.875rem;
    }
}

/* --------------------------------------------------------------------------
   Page Headers - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .section-dark.py-5 {
        padding: 2rem 0 !important;
    }

    .section-dark.py-5 h1 {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }

    .section-dark.py-5 .lead {
        font-size: 0.95rem;
        line-height: 1.5;
    }
}

/* --------------------------------------------------------------------------
   Tabla Comparativa - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .table-responsive {
        margin: 0 -1rem;
        padding: 0 0.5rem;
    }

    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 0.75rem 0.5rem;
        vertical-align: middle;
    }

    .table th:first-child,
    .table td:first-child {
        min-width: 120px;
    }

    .table thead th {
        font-size: 0.8rem;
    }

    .table svg {
        width: 20px;
        height: 20px;
    }
}

/* --------------------------------------------------------------------------
   Listas con iconos - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .list-unstyled li.d-flex {
        font-size: 0.9rem;
        margin-bottom: 0.75rem !important;
    }

    .list-unstyled li.d-flex svg {
        width: 18px;
        height: 18px;
        min-width: 18px;
    }

    .list-unstyled li.d-flex span {
        line-height: 1.4;
    }
}

/* --------------------------------------------------------------------------
   Alertas - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .alert {
        padding: 1rem;
        font-size: 0.9rem;
        border-radius: var(--radius-md);
    }

    .alert strong {
        display: block;
        margin-bottom: 0.25rem;
    }
}

/* --------------------------------------------------------------------------
   Pasos de inscripción - Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767.98px) {
    .card-custom.text-center .card-icon {
        width: 50px;
        height: 50px;
    }

    .card-custom.text-center .card-icon svg {
        width: 24px;
        height: 24px;
    }

    .card-custom.text-center .h5 {
        font-size: 1rem;
    }

    .card-custom.text-center .small {
        font-size: 0.85rem;
    }
}

/* --------------------------------------------------------------------------
   Pantallas muy pequeñas (iPhone SE, etc.)
   -------------------------------------------------------------------------- */
@media (max-width: 374px) {
    html {
        font-size: 14px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .card-nivel .card-body {
        padding: 1rem;
    }

    .modalidad-card {
        padding: 1.25rem;
    }

    .footer-logo img {
        height: 40px;
    }
}

/* Print styles */
@media print {
    .top-bar,
    .navbar-main,
    .footer,
    .whatsapp-float,
    .scroll-top {
        display: none !important;
    }

    .hero-section {
        min-height: auto;
        padding: 2rem 0;
    }

    body {
        font-size: 12pt;
    }
}