/* =============================================
   FRONTEND - PUBLIC CSS
   Instituto American Jiliu
   ============================================= */

:root {
    --primary: #0D5EF4;
    --primary-dark: #0a4cd4;
    --primary-light: #e8f0fe;
    --menu-link: #495057;
    --menu-hover: #0D5EF4;
    --menu-hover-bg: #e8f0fe;
    --secondary: #1a1a2e;
    --dark: #1e293b;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --white: #ffffff;
    --success: #28a745;
    --danger: #dc3545;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--dark);
    line-height: 1.7;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    max-width: 100%;
}

html {
    overflow-x: hidden;
    max-width: 100%;
}

img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Evitar desbordes horizontales en cualquier contenedor grid/flex (especialmente en movil):
   sus hijos deben poder encogerse para que el texto fluya y no se corte a la derecha. */
main, section, .section, .container,
[class*="grid"], [class*="layout"],
[class*="row"], [class*="flex"] {
    min-width: 0;
}
[class*="grid"] > *, [class*="layout"] > *,
[class*="row"] > *, [class*="flex"] > * {
    min-width: 0;
}

/* =============================================
   HEADER
   ============================================= */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 12px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
}

.logo-slogan {
    font-size: 0.72rem;
    color: var(--gray-500);
    font-weight: 500;
}

.main-nav ul {
    display: flex;
    gap: 4px;
}

.main-nav > ul > li > a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--menu-link, var(--gray-700));
    border-radius: 10px;
    transition: var(--transition);
    white-space: nowrap;
}

.main-nav > ul > li > a > i:not(.fa-chevron-down) {
    font-size: 0.95rem;
    margin: 0;
    color: var(--menu-hover);
}

.main-nav > ul > li > a > i.fa-chevron-down {
    font-size: 0.65rem;
    margin-left: 2px;
}

.main-nav > ul > li > a:hover,
.main-nav > ul > li > a.active {
    color: var(--menu-hover);
    background: var(--menu-hover-bg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-1px);
}

.main-nav > ul > li > a > span {
    display: inline-flex;
    align-items: center;
}

.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    min-width: 270px;
    background: var(--white);
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18), 0 4px 12px rgba(0,0,0,0.06);
    border: 1px solid var(--gray-200);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.28s;
    z-index: 100;
    list-style: none;
}

/* Forzar disposicion VERTICAL de los submenus (evita la fila horizontal) */
.main-nav ul.dropdown,
.dropdown {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: max-content;
    max-width: 340px;
}
.main-nav ul.dropdown li {
    width: 100%;
}

.dropdown::before {
    content: '';
    position: absolute;
    top: -9px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-bottom: 9px solid var(--white);
    filter: drop-shadow(0 -2px 1px rgba(0,0,0,0.03));
}

.has-dropdown.open .dropdown,
.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--menu-link, var(--gray-700));
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
}

.dropdown li a > i:first-child {
    width: 38px;
    height: 38px;
    min-width: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    border-radius: 11px;
    background: var(--menu-hover-bg);
    color: var(--menu-hover);
    transition: var(--transition);
}

.dropdown li a .menu-arrow {
    width: auto;
    height: auto;
    min-width: auto;
    background: none;
    color: var(--gray-400);
    font-size: 0.7rem;
    margin-left: auto;
    opacity: 0;
    transform: translateX(-6px);
    transition: var(--transition);
}

.dropdown li a:hover,
.dropdown li a.active {
    background: var(--menu-hover-bg);
    color: var(--menu-hover);
}

.dropdown li a:hover > i:first-child,
.dropdown li a.active > i:first-child {
    background: var(--menu-hover);
    color: var(--white);
    transform: scale(1.06);
}

.dropdown li a:hover .menu-arrow,
.dropdown li a.active .menu-arrow {
    opacity: 1;
    transform: translateX(0);
    color: var(--menu-hover);
}

/* Flecha apuntando al item activo de primer nivel */
.has-dropdown.open > a > i.fa-chevron-down,
.has-dropdown:hover > a > i.fa-chevron-down {
    transform: rotate(180deg);
}

.main-nav > ul > li > a > i.fa-chevron-down {
    transition: transform 0.3s ease;
}


.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-whatsapp {
    background: #25D366;
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}

.btn-mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--gray-300);
    color: var(--dark);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
}

/* =============================================
   MENU MOVIL (solo visible en pantallas pequeñas)
   ============================================= */
.mobile-menu,
.mobile-menu-overlay {
    display: none;
}

/* =============================================
   BUTTONS
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13,94,244,0.35);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: 14px;
}

.btn-white {
    background: #fff;
    color: var(--primary) !important;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-outline-white {
    background: transparent;
    color: #fff !important;
    border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

/* =============================================
   HERO SLIDER
   ============================================= */

.hero-slider {
    position: relative;
    height: 550px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
}

/* Efecto: fundido (fade) */
.hero-slide.efecto-fade { transition: opacity 0.8s ease; }

/* Efecto: eco (suave, por defecto) */
.hero-slide.efecto-eco { transition: opacity 1.2s ease; }

/* Efecto: zoom (ken burns) */
.hero-slide.efecto-zoom .hero-bg { transition: transform 6s ease-out; }
.hero-slide.efecto-zoom.active .hero-bg { transform: scale(1.12); }

/* Efecto: deslizar (slide) */
.hero-slide.efecto-slide { transform: translateX(48px); transition: opacity 0.8s ease, transform 0.8s ease; }
.hero-slide.efecto-slide.active { transform: translateX(0); }

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    max-width: 650px;
    color: #fff;
}

.hero-content-hidden {
    display: none;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 1.15rem;
    opacity: 0.85;
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.hero-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.hero-prev { left: 24px; }
.hero-next { right: 24px; }

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary);
    width: 36px;
    border-radius: 6px;
}

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */

.page-hero {
    padding: 60px 0 50px;
    color: #fff;
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

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

.breadcrumb-link {
    color: rgba(255,255,255,0.7);
    font-size: 0.88rem;
}

.breadcrumb-link:hover { color: #fff; }
.breadcrumb-sep { color: rgba(255,255,255,0.4); margin: 0 8px; font-size: 0.85rem; }
.breadcrumb-current { color: rgba(255,255,255,0.5); font-size: 0.88rem; }

.page-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 10px;
    letter-spacing: -0.5px;
}

.page-hero p {
    font-size: 1.05rem;
    opacity: 0.85;
    margin-top: 8px;
}

.article-meta-hero {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
    font-size: 0.88rem;
    opacity: 0.85;
}

.article-meta-hero .badge {
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
}

/* =============================================
   SECTIONS
   ============================================= */

.section {
    padding: 80px 0;
}

.section-gray {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* =============================================
   GRIDS
   ============================================= */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    min-width: 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    min-width: 0;
}

/* =============================================
   CARD CARRERA
   ============================================= */

.card-carrera {
    display: flex;
    flex-direction: column;
    padding: 32px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    text-decoration: none;
}

.card-carrera:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.card-carrera-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
}

.card-carrera h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.card-carrera p {
    color: var(--gray-600);
    font-size: 0.9rem;
    flex: 1;
    margin-bottom: 16px;
}

.card-link {
    font-size: 0.88rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-carrera:hover .card-link i {
    transform: translateX(4px);
}

.card-link i {
    transition: var(--transition);
    font-size: 0.8rem;
}

/* =============================================
   CARD ARTICULO
   ============================================= */

.card-articulo {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.card-articulo:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.card-articulo-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.card-articulo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.card-articulo-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light), #f0f0ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary);
    opacity: 0.4;
}

.card-articulo-tipo {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-articulo-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-articulo-body .badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 10px;
    width: fit-content;
}

.card-articulo-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.card-articulo-body p {
    color: var(--gray-600);
    font-size: 0.88rem;
    flex: 1;
    margin-bottom: 12px;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-sm .card-articulo-img { height: 160px; }

/* =============================================
   CTA SECTION
   ============================================= */

.cta-section {
    background: linear-gradient(135deg, var(--primary), #6c5ce7);
    padding: 80px 0;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

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

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.85;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
    background: var(--secondary);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    width: 60px;
    margin-bottom: 16px;
    border-radius: 12px;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    gap: 10px;
    font-size: 0.88rem;
    align-items: flex-start;
}

.footer-contact li i {
    color: var(--primary);
    margin-top: 3px;
    width: 16px;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.85rem;
}

/* =============================================
   WHATSAPP FLOAT
   ============================================= */

.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    z-index: 999;
    box-shadow: 0 6px 20px rgba(37,211,102,0.4);
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

@keyframes whatsappPulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* =============================================
   CONTENT AREA (Rich Text)
   ============================================= */

.content-area {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-700);
    text-align: justify;
    text-justify: inter-word;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
    overflow-wrap: break-word;
    min-width: 0;
}

.content-area p,
.content-area li,
.content-area div,
.content-area td,
.content-area th,
.content-area blockquote,
.content-area ul,
.content-area ol {
    text-align: justify;
    text-justify: inter-word;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
    overflow-wrap: break-word;
}

.content-area h1, .content-area h2, .content-area h3,
.content-area h4, .content-area h5 {
    color: var(--dark);
    margin-top: 30px;
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.content-area h2 { font-size: 1.5rem; }
.content-area h3 { font-size: 1.2rem; }

.content-area p { margin-bottom: 16px; }

.content-area ul, .content-area ol {
    margin: 16px 0;
    padding-left: 24px;
}

.content-area ul { list-style: disc; }
.content-area ol { list-style: decimal; }

.content-area li { margin-bottom: 8px; }

.content-area img {
    border-radius: var(--radius);
    margin: 20px 0;
}

.content-area blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 24px;
    background: var(--primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 20px 0;
    font-style: italic;
}

.content-area a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
}

.content-area a:hover { color: var(--primary-dark); }

.content-area table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.content-area th, .content-area td {
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    text-align: left;
}

.content-area th {
    background: var(--gray-100);
    font-weight: 700;
}

/* =============================================
   ARCHIVOS ADJUNTOS BOX
   ============================================= */

.archivos-box {
    margin-top: 40px;
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--gray-200);
}

.archivos-box h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.archivo-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--white);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    text-decoration: none;
}

.archivo-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.archivo-item i:first-child {
    font-size: 2rem;
    width: 48px;
    text-align: center;
}

.archivo-info {
    flex: 1;
}

.archivo-info strong {
    display: block;
    color: var(--dark);
    font-size: 0.92rem;
    margin-bottom: 2px;
}

.archivo-info span {
    color: var(--gray-500);
    font-size: 0.8rem;
}

.archivo-download {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.archivo-item:hover .archivo-download {
    background: var(--primary);
    color: #fff;
}

/* =============================================
   SIDEBAR
   ============================================= */

.sidebar-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--gray-200);
    margin-bottom: 20px;
}

.sidebar-box h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--dark);
}

.sidebar-list li {
    margin-bottom: 4px;
}

.sidebar-list li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition);
}

.sidebar-list li a:hover,
.sidebar-list li.active a {
    background: var(--primary-light);
    color: var(--primary);
}

.sidebar-list li a i {
    width: 20px;
    text-align: center;
}

/* =============================================
   BADGE
   ============================================= */

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-white {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

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

@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .main-nav > ul > li > a { padding: 8px 10px; font-size: 0.85rem; gap: 6px; }
    .header-inner { height: 72px; }
}

@media (max-width: 768px) {
    /* Reducir la fuente de todo el sitio en movil para que todo quede ajustado y evitar desbordes */
    body { font-size: 0.94rem; }
    h1 { font-size: 1.9rem !important; }
    h2 { font-size: 1.4rem !important; }
    h3 { font-size: 1.1rem !important; }

    /* En movil garantizar margenes simétricos (izquierda = derecha) para todo el contenido */
    .container,
    .content-area {
        padding-left: 14px !important;
        padding-right: 14px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        max-width: 100% !important;
    }
    .page-hero .container,
    .section .container { padding-left: 14px !important; padding-right: 14px !important; }

    /* Evitar desbordes horizontales y que las páginas se vean completas en movil */
    .content-area,
    .content-area > *,
    .content-area img,
    .content-area video,
    .content-area iframe,
    .content-area table,
    .content-area pre,
    .content-area code,
    .content-area figure,
    .content-area .ql-video {
        max-width: 100% !important;
        overflow-wrap: break-word;
        word-break: break-word;
        -webkit-hyphens: auto;
        hyphens: auto;
    }
    .content-area img,
    .content-area video,
    .content-area iframe {
        height: auto !important;
    }
    /* Las tablas anchas se desplazan internamente sin cortar la pagina completa */
    .content-area table {
        display: block;
        width: 100% !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    /* Los contenedores y tarjetas de todo el sitio tampoco desbordan */
    .grid-2, .grid-3, .grid-4,
    .card, .card-articulo, .card-carrera,
    .benefit-card, .elegirnos-item, .testimonio-card,
    .especialista-card, .archivo-item, .sidebar-box {
        max-width: 100% !important;
    }
    img, video, iframe { max-width: 100% !important; height: auto !important; }

    /* Pestañas y breadcrumbs no desbordan; se desplazan internamente si es necesario */
    .tabs {
        display: flex !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        width: 100% !important;
    }
    .tab-btn {
        white-space: nowrap !important;
        flex-shrink: 0 !important;
    }
    .breadcrumb {
        white-space: normal !important;
        overflow-wrap: break-word;
    }

    /* En movil el nav desktop se oculta; se usa el panel lateral .mobile-menu */
    .main-nav { display: none; }

    /* Overlay oscurecido al fondo (cierre con clic) */
    body.mv-open::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.55);
        backdrop-filter: blur(3px);
        z-index: 1999;
        opacity: 1;
        transition: opacity 0.3s ease;
    }
    body.mv-open { overflow: hidden; }

    /* =============================================
       PANEL LATERAL MOVIL (nueva estructura)
       ============================================= */
    .mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 320px;
        max-width: 88vw;
        height: 100vh;
        background: linear-gradient(180deg, #ffffff 0%, #f3f6fc 100%);
        box-shadow: 0 25px 70px rgba(15, 23, 42, 0.4);
        z-index: 2000;
        transform: translateX(-105%);
        transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        display: flex;
        flex-direction: column;
        will-change: transform;
    }
    .mobile-menu.open { transform: translateX(0); }

    /* Cabecera del panel */
    .mobile-menu-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 18px;
        background: linear-gradient(135deg, var(--primary) 0%, #1a3fa8 100%);
        border-bottom: 1px solid rgba(255,255,255,0.12);
        flex-shrink: 0;
    }
    .mobile-menu-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
    }
    .mobile-menu-logo img {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        object-fit: cover;
    }
    .mobile-menu-brand {
        color: #fff;
        font-family: 'Poppins', sans-serif;
        font-weight: 700;
        font-size: 0.9rem;
        line-height: 1.2;
    }
    .mobile-menu-close {
        width: 34px;
        height: 34px;
        min-width: 34px;
        border: none;
        border-radius: 50%;
        background: rgba(255,255,255,0.18);
        color: #fff;
        font-size: 0.95rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: var(--transition);
    }
    .mobile-menu-close:hover {
        background: rgba(255,255,255,0.32);
        transform: rotate(90deg);
    }

    /* Navegacion (scrollable) */
    .mobile-menu-nav {
        flex: 1;
        overflow-y: auto;
        padding: 16px 14px;
    }
    .mobile-menu-nav ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .mobile-menu-nav > ul { display: flex; flex-direction: column; gap: 8px; }

    .mobile-menu-item { border-radius: 14px; overflow: hidden; }

    .mobile-menu-link {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 11px 12px;
        background: transparent;
        border: none;
        cursor: pointer;
        font-family: 'Poppins', sans-serif;
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--gray-800);
        border-radius: 12px;
        text-align: left;
        transition: var(--transition);
    }
    .mobile-menu-link > i:first-child {
        width: 30px;
        height: 30px;
        min-width: 30px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 9px;
        background: var(--menu-hover-bg);
        color: var(--menu-hover);
        font-size: 0.78rem;
    }
    .mobile-menu-link:hover {
        background: var(--menu-hover-bg);
        color: var(--menu-hover);
    }
    .mobile-menu-link.active {
        background: var(--menu-hover-bg);
        color: var(--menu-hover);
    }

    .submenu-icon {
        margin-left: auto;
        width: 26px;
        height: 26px;
        min-width: 26px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        background: var(--gray-100);
        color: var(--gray-600);
        font-size: 0.7rem;
        transition: transform 0.3s ease;
    }

    .mobile-menu-item.open .mobile-menu-link {
        background: var(--primary);
        color: #fff;
    }
    .mobile-menu-item.open .mobile-menu-link > i:first-child {
        background: rgba(255,255,255,0.22);
        color: #fff;
    }
    .mobile-menu-item.open .submenu-icon {
        background: rgba(255,255,255,0.22);
        color: #fff;
        transform: rotate(180deg);
    }

    /* Submenu acordeon */
    .mobile-submenu {
        list-style: none;
        margin: 0;
        padding: 0 8px 0 26px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 2px solid var(--primary-light);
        margin-top: 0;
    }
    .mobile-menu-item.open .mobile-submenu {
        max-height: 1000px;
    }
    .mobile-submenu li { border-radius: 10px; }
    .mobile-submenu a {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 9px 10px;
        font-size: 0.82rem;
        font-weight: 500;
        color: var(--gray-700);
        border-radius: 10px;
        text-decoration: none;
        transition: var(--transition);
    }
    .mobile-submenu a > i {
        width: 22px;
        min-width: 22px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--menu-hover);
        font-size: 0.75rem;
    }
    .mobile-submenu a:hover {
        background: var(--menu-hover-bg);
        color: var(--menu-hover);
        padding-left: 15px;
    }

    /* Pie del panel: contacto + redes */
    .mobile-menu-footer {
        flex-shrink: 0;
        border-top: 1px solid rgba(13, 94, 244, 0.1);
        padding: 14px 16px;
        background: #ffffff;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .mobile-menu-contact {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.78rem;
        font-weight: 500;
        color: var(--gray-600);
        text-decoration: none;
    }
    .mobile-menu-contact > i {
        width: 28px;
        height: 28px;
        min-width: 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 0.75rem;
    }
    .mobile-menu-social {
        display: flex;
        gap: 8px;
        margin-top: 4px;
    }
    .mobile-social-btn {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--primary-light);
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
        text-decoration: none;
        transition: var(--transition);
    }
    .mobile-social-btn:hover {
        background: var(--primary);
        color: #fff;
    }

    /* Overlay propio del panel */
    .mobile-menu-overlay {
        position: fixed;
        inset: 0;
        background: transparent;
        z-index: 1999;
        display: none;
    }
    body.mv-open .mobile-menu-overlay { display: block; }

    /* Mantener header (toggle) por encima del overlay del menu movil */
    .header { z-index: 2100; }
    body.mv-open .header { background: rgba(255,255,255,0.98); }
    
    .header-inner { height: 68px; }
    .logo-name { font-size: 0.95rem; }
    .logo-slogan { display: none; }
    .logo img { width: 40px; height: 40px; }
    .btn-mobile-toggle { display: flex; }
    
    .hero-slider { height: 400px; }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    .hero-arrow { display: none; }
    
    .page-hero h1 { font-size: 1.6rem; }
    
    .section { padding: 50px 0; }
    .section-header h2 { font-size: 1.5rem; }
    
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    
    .cta-content h2 { font-size: 1.6rem; }
    
    /* Mobile layout for carrera/articulo pages */
    [style*="grid-template-columns: 2fr 1fr"] {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .whatsapp-float {
        width: 54px;
        height: 54px;
        font-size: 1.5rem;
        bottom: 16px;
        right: 16px;
    }
}

@media (max-width: 480px) {
    .hero-slider { height: 350px; }
    .hero-content h1 { font-size: 1.6rem; }
    .btn-lg { padding: 14px 24px; font-size: 0.9rem; }
    .cta-section { padding: 50px 0; }
}

/* =============================================
   TOP BAR SUPERIOR
   ============================================= */
.top-bar {
    background: var(--primary);
    color: #fff;
    font-size: 0.85rem;
    padding: 8px 0;
}
.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}
.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}
.top-bar-item, .top-bar-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,0.9);
}
.top-bar-item i, .top-bar-link i { color: #fff; }
.top-bar-item:hover, .top-bar-link:hover { color: #fff; }
.top-bar-social {
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    color: #fff !important;
    transition: var(--transition);
}
.top-bar-social:hover { background: #fff; color: var(--primary) !important; }
.top-bar-link { gap: 6px; }

/* =============================================
   SECCIONES DE LA HOMEPAGE (replica sitio original)
   ============================================= */
.section-header .section-subtitle {
    color: var(--gray-600);
    font-size: 1.05rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Sobre Nosotros (home) */
.about-home {
    padding: 80px 0;
    background: var(--gray-50);
}
.about-home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.about-home-img { position: relative; }
.about-home-img img { border-radius: var(--radius-lg); width: 100%; }
.about-home-badge {
    position: absolute;
    bottom: -20px; left: -20px;
    background: var(--primary);
    color: #fff;
    padding: 20px 24px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
}
.about-home-badge strong { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.about-home-badge span { font-size: 0.85rem; opacity: 0.9; line-height: 1.3; }
.about-home-body h2 {
    font-size: 2.1rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 18px;
}
.about-home-body p { color: var(--gray-600); margin-bottom: 16px; text-align: justify; text-justify: inter-word; -webkit-hyphens: auto; -ms-hyphens: auto; hyphens: auto; overflow-wrap: break-word; }
.about-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 22px 0; }
.about-check { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.about-check i { color: var(--primary); }

/* Carreras Grid (home) */
.carreras-home { padding: 80px 0; }
.carreras-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.carrera-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 28px 22px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.carrera-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: var(--transition);
}
.carrera-card:hover::before { transform: scaleX(1); }
.carrera-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.carrera-card-icon {
    width: 64px; height: 64px;
    margin: 0 auto 16px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.7rem;
}
.carrera-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.carrera-card p { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 14px; }
.carrera-card-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-weight: 600; font-size: 0.9rem;
    transition: var(--transition);
}
.carrera-card-link:hover { gap: 10px; }
.ver-todas {
    text-align: center;
    margin-top: 40px;
}

/* Seccion elegirnos */
.elegirnos { padding: 80px 0; background: #0f1226; color: #fff; }
.elegirnos .section-tag { background: rgba(255,255,255,0.1); color: #fff; }
.elegirnos .section-header h2 { color: #fff; }
.elegirnos .section-header > p { color: rgba(255,255,255,0.7); }
.elegirnos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}
.elegirnos-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 28px 22px;
    transition: var(--transition);
}
.elegirnos-card:hover { background: var(--primary); transform: translateY(-5px); }
.elegirnos-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 16px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(13,94,244,0.1);
    transition: var(--transition);
}
.elegirnos-card:hover i { background: rgba(255,255,255,0.2); color: #fff; }
.elegirnos-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.elegirnos-card p { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.elegirnos-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}
.elegirnos-stat strong {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--primary);
}
.elegirnos-stat span { color: rgba(255,255,255,0.7); font-size: 0.95rem; }

/* Footer contacto */
.footer-contact-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 40px;
}
.footer-contact-item { display: flex; align-items: flex-start; gap: 14px; }
.footer-contact-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-sm);
    background: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: #fff;
    flex-shrink: 0;
}
.footer-contact-label {
    display: block;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-bottom: 4px;
}
.footer-contact-item a { color: #fff; font-weight: 600; }
.footer-siguenos { margin-top: 20px; }
.footer-social { margin-top: 10px; }

/* Newsletter */
.newsletter-form {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}
.newsletter-form input {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 0.9rem;
    outline: none;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.6); }
.newsletter-form .btn { padding: 12px 16px; }

/* Footer bottom */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom-links { display: flex; align-items: center; gap: 10px; }
.footer-bottom-links a { color: rgba(255,255,255,0.7); }
.footer-bottom-links a:hover { color: #fff; }

/* Ficha tecnica / sidebar en pagina de carrera */
.carrera-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    min-width: 0;
}
.carrera-layout > * { min-width: 0; }
.page-hero {
    padding: 90px 0 60px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.6), rgba(0,0,0,0.3));
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb-link { color: rgba(255,255,255,0.85); }
.breadcrumb-link:hover { color: #fff; }
.breadcrumb-sep { color: rgba(255,255,255,0.5); margin: 0 8px; }
.breadcrumb-current { color: #fff; }
.page-hero h1 { font-size: 2.4rem; font-weight: 800; margin-top: 12px; }
.page-hero .subtitle { font-size: 1.1rem; opacity: 0.9; margin-top: 6px; max-width: 700px; }

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 18px;
}
.course-meta span { display: inline-flex; align-items: center; gap: 8px; font-size: 0.95rem; }

/* Tabs de carrera */
.tabs {
    display: flex;
    gap: 8px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 30px;
    overflow-x: auto;
}
.tab-btn {
    padding: 12px 22px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--gray-600);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    white-space: nowrap;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-panel h3 { font-size: 1.4rem; margin-bottom: 14px; }
.tab-panel h4 { font-size: 1.1rem; margin: 20px 0 10px; }
.tab-panel p { color: var(--gray-600); margin-bottom: 12px; }
.tab-panel ul { list-style: none; margin: 12px 0; }
.tab-panel ul li {
    padding: 10px 0 10px 30px;
    position: relative;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}
.tab-panel ul li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute; left: 0;
    color: var(--primary);
}
.tab-panel ul li:last-child { border-bottom: none; }

/* Sidebar ficha */
.sidebar-box {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.sidebar-box h3 { font-size: 1.2rem; margin-bottom: 16px; }
.info-list { margin: 0; }
.info-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed var(--gray-200);
    color: var(--gray-700);
}
.info-list li:last-child { border-bottom: none; }
.info-list li span:first-child { color: var(--gray-600); display: flex; align-items: center; gap: 8px; }
.info-list li span:first-child i { color: var(--primary); width: 20px; }
.info-list li strong { color: var(--dark); }

/* Especialista card */
.especialista-card {
    display: flex;
    gap: 20px;
    align-items: center;
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 20px;
    margin: 20px 0;
}
.especialista-avatar {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
}
.especialista-info h4 { margin: 0 0 4px; font-size: 1.1rem; }
.especialista-info p { margin: 0; font-size: 0.9rem; }

/* Testimonios */
.testimonios { padding: 80px 0; background: var(--gray-50); }
.testimonios-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.testimonio-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
}
.testimonio-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.testimonio-card .quote {
    font-size: 2.5rem;
    color: var(--primary);
    opacity: 0.2;
    position: absolute; top: 12px; right: 20px;
}
.testimonio-card p { color: var(--gray-600); font-size: 0.95rem; margin-bottom: 20px; position: relative; }
.testimonio-author { display: flex; align-items: center; gap: 14px; }
.testimonio-avatar {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}
.testimonio-author strong { display: block; font-size: 0.95rem; }
.testimonio-author span { font-size: 0.83rem; color: var(--gray-600); }
.testimonio-stars { color: #ffc107; font-size: 0.85rem; margin-top: 4px; }

/* Responsive extras */
.d-none-mobile { display: inline-flex; }
.d-none-laptop { display: flex; }

@media (max-width: 992px) {
    .about-home-grid, .carrera-layout { grid-template-columns: 1fr; }
    .carreras-grid { grid-template-columns: repeat(2, 1fr); }
    .elegirnos-grid { grid-template-columns: repeat(2, 1fr); }
    .elegirnos-stats { grid-template-columns: repeat(2, 1fr); }
    .testimonios-grid { grid-template-columns: 1fr; }
    .footer-contact-row { grid-template-columns: 1fr; }
    .d-none-laptop { display: none; }
}
@media (max-width: 576px) {
    .carreras-grid, .elegirnos-grid { grid-template-columns: 1fr; }
    .elegirnos-stats { grid-template-columns: 1fr; }
    .top-bar-inner { justify-content: center; gap: 12px; }
    .d-none-mobile { display: none !important; }
}
/* =============================================
   DROPDOWN CARRERAS (textos largos) - SOLO DESKTOP
   ============================================= */
@media (min-width: 769px) {
    .dropdown-carreras {
        min-width: 330px;
    }
    .dropdown-carreras li a {
        white-space: nowrap;
        padding: 9px 12px;
    }
    .dropdown-carreras li a span {
        flex: 1;
        text-align: left;
    }
}

/* =============================================
   VISOR DE ARCHIVOS / DESCARGAS
   ============================================= */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.archivos-box .file-grid { margin-top: 4px; }

.file-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(15,23,42,.04);
    transition: var(--transition);
}
.file-card:hover {
    border-color: var(--primary);
    box-shadow: 0 14px 32px rgba(15,23,42,.12);
    transform: translateY(-3px);
}
.file-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
}
.file-card-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: var(--primary-light);
    color: var(--primary);
}
.file-card-icon.tipo-video { background: #e8f0fe; color: #2563eb; }
.file-card-icon.tipo-imagen { background: #e9f9ef; color: #16a34a; }
.file-card-icon.tipo-audio { background: #f3e8ff; color: #7c3aed; }
.file-card-icon.tipo-pdf { background: #fde8e8; color: #dc2626; }
.file-card-icon.tipo-archivo { background: #fff4e5; color: #d97706; }
.file-card-meta { min-width: 0; flex: 1; }
.file-card-meta strong {
    display: block;
    color: var(--dark);
    font-size: .92rem;
    line-height: 1.35;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.file-card-meta span {
    display: block;
    color: var(--gray-500);
    font-size: .78rem;
    margin-top: 3px;
}
.file-card-video {
    display: block;
    width: 100%;
    max-height: 280px;
    background: #000;
    object-fit: contain;
}
.file-card-thumb {
    position: relative;
    display: block;
    width: 100%;
    border: none;
    padding: 0;
    margin: 0;
    cursor: zoom-in;
    background: #f1f5f9;
    line-height: 0;
}
.file-card-thumb img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    display: block;
}
.file-card-zoom {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15,23,42,.35);
    color: #fff;
    font-size: 1.4rem;
    opacity: 0;
    transition: var(--transition);
}
.file-card-thumb:hover .file-card-zoom { opacity: 1; }
.file-card-audio {
    width: calc(100% - 32px);
    margin: 0 16px 8px;
}
.file-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px;
    margin-top: auto;
    border-top: 1px solid var(--gray-100);
}
.btn-file {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: .85rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid var(--gray-200);
    background: #fff;
    color: var(--primary);
    transition: var(--transition);
}
.btn-file:hover { border-color: var(--primary); background: var(--primary-light); }
.btn-file-download {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff !important;
}
.btn-file-download:hover { filter: brightness(1.08); background: var(--primary); }

/* Filtros de la pagina de descargas */
.file-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}
.file-filter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--gray-200);
    background: #fff;
    color: var(--gray-700);
    font-size: .85rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}
.file-filter:hover { border-color: var(--primary); color: var(--primary); }
.file-filter.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.file-filter-count {
    background: rgba(0,0,0,.08);
    border-radius: 999px;
    padding: 1px 9px;
    font-size: .74rem;
}
.file-filter.active .file-filter-count { background: rgba(255,255,255,.25); }
.file-empty {
    text-align: center;
    padding: 70px 20px;
    color: var(--gray-500);
}
.file-empty i { font-size: 3.4rem; color: var(--gray-300); margin-bottom: 16px; }
.file-empty h3 { color: var(--gray-700); margin-bottom: 6px; }

/* Modal visor */
.file-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.file-modal.open { display: flex; }
.file-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2,6,23,.85);
    animation: fileFade .25s ease;
}
.file-modal-dialog {
    position: relative;
    z-index: 1;
    max-width: min(1100px, 94vw);
    max-height: 90vh;
    animation: fileZoom .28s ease;
}
.file-modal-close {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: #fff;
    color: var(--dark);
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(0,0,0,.35);
    z-index: 2;
    transition: var(--transition);
}
.file-modal-close:hover { background: var(--primary); color: #fff; }
.file-modal-img {
    display: block;
    max-width: 94vw;
    max-height: 86vh;
    border-radius: 12px;
    box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
.file-modal-frame {
    display: block;
    width: min(1000px, 94vw);
    height: 86vh;
    border: none;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 24px 60px rgba(0,0,0,.45);
}
body.file-modal-open { overflow: hidden; }
@keyframes fileFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes fileZoom { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: scale(1); } }

@media (max-width: 576px) {
    .file-modal-close { top: -12px; right: 0; }
    .file-grid { grid-template-columns: 1fr; }
}