/* ============================================
   UNIDAD EDUCATIVA JOSÉ MARÍA VELASCO IBARRA
   Estilos Institucionales Mejorados - 2026
   ============================================ */

/* ========== IMPORTAR FUENTES ========== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400&family=Source+Sans+3:wght@300;400;500;600;700&family=EB+Garamond:ital,wght@0,400;0,600;1,400&display=swap');

/* ========== VARIABLES CSS ========== */
:root {
    /* Paleta Institucional */
    --color-primary: #0D3B27;
    --color-primary-light: #1A5C3E;
    --color-primary-mid: #155233;
    --color-primary-dark: #061D13;
    --color-accent: #A51C2B;
    --color-accent-hover: #7D1520;
    --color-accent-light: #C4293A;
    --color-gold: #C8A951;
    --color-gold-light: #E2C97A;
    --color-gold-dark: #9E7F2E;
    --color-white: #FFFFFF;
    --color-off-white: #F9F7F3;
    --color-light: #F2EFE8;
    --color-light-border: #E5E0D4;
    --color-gray: #5A6472;
    --color-gray-light: #8A939E;
    --color-dark: #16202C;

    /* Tipografía */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Source Sans 3', sans-serif;
    --font-accent: 'EB Garamond', serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Sombras refinadas */
    --shadow-xs: 0 1px 4px rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 6px 24px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.07);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.14), 0 4px 16px rgba(0,0,0,0.09);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.10);
    --shadow-gold: 0 8px 32px rgba(200,169,81,0.25);
    --shadow-green: 0 8px 32px rgba(13,59,39,0.25);

    /* Bordes */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;

    /* Transiciones */
    --transition-fast: 0.18s ease;
    --transition-normal: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET Y BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* ========== ANIMACIONES ========== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.94); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes borderPulse {
    0%, 100% { border-color: var(--color-gold); }
    50%       { border-color: var(--color-gold-light); }
}

.fade-in       { animation: fadeIn 0.85s ease forwards; }
.slide-in-left { animation: slideInLeft 0.85s ease forwards; }
.slide-in-right{ animation: slideInRight 0.85s ease forwards; }
.scale-in      { animation: scaleIn 0.65s ease forwards; }

/* ========== HEADER Y NAVEGACIÓN ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-light-border);
    /* Transición suave para transform, background y opacity */
    transition:
        transform 0.42s cubic-bezier(0.4, 0, 0.2, 1),
        background-color 0.42s ease,
        box-shadow 0.42s ease,
        opacity 0.42s ease,
        border-color 0.42s ease;
}

/* Línea dorada decorativa en el tope del header */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold), var(--color-accent), var(--color-gold), var(--color-primary));
    background-size: 300% auto;
    animation: shimmer 6s linear infinite;
    transition: opacity 0.42s ease;
}

/* ── Estado: en el tope de la página (transparente) ── */
.header.at-top {
    background-color: rgba(255, 255, 255, 0);
    border-bottom-color: transparent;
    box-shadow: none;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

.header.at-top::before {
    opacity: 0;
}

/* Texto e íconos del nav en modo transparente */
.header.at-top .site-title h1,
.header.at-top .nav-menu a {
    color: #fff;
    text-shadow: 0 1px 6px rgba(0,0,0,0.45);
}

.header.at-top .site-title p {
    color: rgba(255, 255, 255, 0.75);
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.header.at-top .menu-toggle span {
    background-color: #fff;
}

.header.at-top .logo {
    border-color: rgba(255,255,255,0.6);
    box-shadow: 0 0 0 3px rgba(255,255,255,0.15);
}

/* ── Estado: scrolleando hacia abajo (se oculta) ── */
.header.hidden {
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
}

/* ── Estado: scrolleando hacia arriba (reaparece sólido) ── */
.header.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--color-light-border);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-gold);
    box-shadow: 0 0 0 3px rgba(200,169,81,0.18);
    transition: var(--transition-normal);
}

.logo:hover {
    box-shadow: 0 0 0 5px rgba(200,169,81,0.25);
}

.site-title {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.site-title h1 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.site-title p {
    font-size: 0.7rem;
    color: var(--color-gold-dark);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    font-size: 0.88rem;
    color: var(--color-dark);
    position: relative;
    padding: 0.55rem 0.85rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.01em;
    transition: var(--transition-fast);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0.85rem;
    right: 0.85rem;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
    border-radius: 2px;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    transform: scaleX(1);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
    background-color: var(--color-off-white);
}

/* Menú móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.menu-toggle span {
    width: 24px;
    height: 2.5px;
    background-color: var(--color-primary);
    transition: var(--transition-normal);
    border-radius: 2px;
}

/* ========== HERO SECTION CON VIDEO ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 620px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 78px;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: -2;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom, rgba(6,29,19,0.55) 0%, rgba(6,29,19,0.30) 50%, rgba(6,29,19,0.75) 100%),
        linear-gradient(135deg, rgba(13,59,39,0.65) 0%, rgba(165,28,43,0.25) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    padding: 0 2rem;
    max-width: 960px;
    animation: fadeInUp 1.1s ease;
    position: relative;
    z-index: 1;
}

/* Línea decorativa sobre el título del hero */
.hero-content::before {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--color-gold);
    margin: 0 auto 1.5rem;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 6vw, 5.2rem);
    font-weight: 900;
    margin-bottom: 1.25rem;
    line-height: 1.08;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hero-content p {
    font-family: var(--font-accent);
    font-size: clamp(1.1rem, 2.2vw, 1.55rem);
    margin-bottom: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    opacity: 0.92;
    text-shadow: 0 1px 8px rgba(0,0,0,0.35);
}

.hero-cta {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2.4rem;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 0.95rem;
    border-radius: 4px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    letter-spacing: 0.04em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(165,28,43,0.35);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(165,28,43,0.42);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 1.5px solid rgba(255,255,255,0.65);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

/* ========== SECCIONES GENERALES ========== */
.section {
    padding: var(--spacing-xl) 5%;
    max-width: 1400px;
    margin: 0 auto;
}

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

/* Etiqueta pequeña sobre el título */
.section-header::before {
    content: '—';
    display: block;
    font-family: var(--font-display);
    font-style: italic;
    color: var(--color-gold);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.3em;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    position: relative;
    display: inline-block;
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-gold) 50%, var(--color-accent) 100%);
    border-radius: 2px;
}

.section-subtitle {
    color: var(--color-gray);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 1.8rem auto 0;
    font-weight: 400;
    line-height: 1.7;
}

/* Sección con fondo claro institucional */
.bg-light {
    background-color: var(--color-off-white);
    border-top: 1px solid var(--color-light-border);
    border-bottom: 1px solid var(--color-light-border);
}

.bg-light .section {
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== SLIDER DE IMÁGENES ========== */
.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    margin: var(--spacing-md) 0;
    border: 1px solid var(--color-light-border);
}

.slider {
    display: flex;
    transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

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

.slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(6,29,19,0.92) 0%, rgba(6,29,19,0.5) 60%, transparent 100%);
    color: var(--color-white);
    padding: 2.5rem 2.5rem 2rem;
}

.slide-caption h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 0.4rem;
    font-weight: 700;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 1.25rem;
    pointer-events: none;
}

.slider-btn {
    background-color: rgba(255,255,255,0.92);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--color-primary);
    pointer-events: all;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.slider-dots {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.6rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition-normal);
}

.dot.active {
    background-color: var(--color-gold);
    transform: scale(1.4);
}

/* ========== GRID DE TARJETAS ========== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-md);
}

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    border: 1px solid var(--color-light-border);
}

/* Línea de color en la parte superior de cada card */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(200,169,81,0.25);
}

.card-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    background-color: var(--color-light);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.card:hover .card-image img {
    transform: scale(1.07);
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: var(--color-white);
    padding: 0.35rem 0.9rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    box-shadow: 0 2px 12px rgba(165,28,43,0.35);
}

.card-content {
    padding: 1.75rem;
}

.card-date {
    color: var(--color-gray-light);
    font-size: 0.85rem;
    margin-bottom: 0.65rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.9rem;
    line-height: 1.3;
}

.card-text {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    line-height: 1.75;
    font-size: 0.96rem;
}

.card-link {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    letter-spacing: 0.02em;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: var(--transition-fast);
}

.card-link:hover {
    gap: 0.85rem;
    border-bottom-color: var(--color-accent);
}

/* ========== GALERÍA DE FOTOS ========== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.25rem;
    margin-top: var(--spacing-md);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-light-border);
    background-color: var(--color-light);
    transition: var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(200,169,81,0.3);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6,29,19,0.92) 0%, rgba(6,29,19,0.4) 55%, transparent 100%);
    opacity: 0;
    transition: var(--transition-normal);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    transform: translateY(8px);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-overlay h3 {
    transform: translateY(0);
}

/* Modal de galería */
.gallery-modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(6, 29, 19, 0.97);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    backdrop-filter: blur(8px);
}

.gallery-modal.active {
    display: flex;
}

.gallery-modal img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(200,169,81,0.2);
}

.modal-close {
    position: absolute;
    top: 1.75rem;
    right: 2rem;
    font-size: 2.5rem;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    background: none;
    border: none;
    transition: var(--transition-normal);
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-gold);
    transform: scale(1.15) rotate(90deg);
}

/* ========== OFERTA ACADÉMICA ========== */
.niveles-container {
    margin-top: var(--spacing-lg);
}

.nivel {
    margin-bottom: var(--spacing-lg);
}

.nivel-header {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: var(--color-white);
    padding: 1.75rem 2.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    border-left: 5px solid var(--color-gold);
    position: relative;
    overflow: hidden;
}

.nivel-header::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 100%;
    background: linear-gradient(to left, rgba(200,169,81,0.08), transparent);
}

.nivel-header h2 {
    font-family: var(--font-display);
    font-size: 1.85rem;
    margin-bottom: 0.4rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.especialidades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.especialidad-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--color-light-border);
}

.especialidad-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(200,169,81,0.3);
}

.especialidad-video {
    width: 100%;
    height: 200px;
    background-color: var(--color-light);
    overflow: hidden;
}

.especialidad-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.especialidad-info {
    padding: 2rem;
}

.especialidad-info h3 {
    font-family: var(--font-display);
    font-size: 1.65rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-weight: 700;
}

.especialidad-info p {
    color: var(--color-gray);
    line-height: 1.8;
}

/* ========== VALORES E ÍCONOS ========== */
.valores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-md);
}

.valor-card {
    text-align: center;
    padding: 2.25rem 1.75rem;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    border: 1px solid var(--color-light-border);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

/* Fondo decorativo sutil */
.valor-card::before {
    content: '';
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(13,59,39,0.05) 0%, transparent 70%);
    transition: var(--transition-slow);
}

.valor-card:hover::before {
    transform: scale(3);
    background: radial-gradient(circle, rgba(13,59,39,0.08) 0%, transparent 70%);
}

.valor-card:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-8px);
    border-color: var(--color-primary-mid);
    box-shadow: var(--shadow-green);
}

.valor-icon {
    font-size: 2.6rem;
    margin-bottom: 1rem;
    display: block;
    transition: var(--transition-normal);
}

.valor-card:hover .valor-icon {
    transform: scale(1.15) rotate(-5deg);
}

.valor-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.valor-card p {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

.valor-card:hover p {
    color: rgba(255,255,255,0.85);
}

/* ========== AUTORIDADES ========== */
.autoridades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-md);
}

.autoridad-card {
    text-align: center;
    background-color: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--color-light-border);
    position: relative;
    overflow: hidden;
}

.autoridad-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.autoridad-card:hover::after {
    transform: scaleX(1);
}

.autoridad-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    border-color: rgba(200,169,81,0.25);
}

.autoridad-img {
    width: 140px;
    height: 140px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-gold);
    box-shadow: 0 0 0 4px rgba(200,169,81,0.15), var(--shadow-md);
    transition: var(--transition-normal);
}

.autoridad-card:hover .autoridad-img {
    box-shadow: 0 0 0 6px rgba(200,169,81,0.25), var(--shadow-lg);
}

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

.autoridad-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
    font-weight: 700;
}

.autoridad-cargo {
    color: var(--color-gold-dark);
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.autoridad-card p:not(.autoridad-cargo) {
    color: var(--color-gray);
    font-size: 0.92rem;
    line-height: 1.65;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 5% var(--spacing-md);
    position: relative;
    overflow: hidden;
}

/* Patrón de textura sutil en el footer */
.footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(200,169,81,0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(165,28,43,0.05) 0%, transparent 40%);
    pointer-events: none;
}

/* Línea dorada en el tope del footer */
.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), var(--color-accent), var(--color-gold), transparent);
    opacity: 0.4;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 3rem;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    color: var(--color-gold-light);
    font-weight: 700;
    letter-spacing: -0.01em;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(200,169,81,0.2);
}

.footer-section p,
.footer-section li {
    margin-bottom: 0.7rem;
    opacity: 0.8;
    font-size: 0.93rem;
    line-height: 1.65;
}

.footer-section a {
    color: rgba(255,255,255,0.75);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.93rem;
    transition: var(--transition-fast);
    padding: 0.15rem 0;
}

.footer-section a:hover {
    color: var(--color-gold-light);
    padding-left: 6px;
}

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 50%;
    display: flex !important;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition-normal);
    margin: 0 !important;
    padding: 0 !important;
}

.social-links a:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white) !important;
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(165,28,43,0.35);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    opacity: 0.55;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

/* ========== ESTADÍSTICAS ========== */
.stats-section {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-mid) 100%);
    padding: var(--spacing-lg) 5%;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 10% 50%, rgba(200,169,81,0.08) 0%, transparent 40%),
                      radial-gradient(circle at 90% 50%, rgba(165,28,43,0.07) 0%, transparent 40%);
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    padding: 2.5rem 1.5rem;
    border-right: 1px solid rgba(255,255,255,0.12);
    transition: var(--transition-normal);
}

.stat-item:last-child { border-right: none; }

.stat-item:hover {
    background-color: rgba(255,255,255,0.04);
    border-radius: var(--radius-sm);
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 900;
    color: var(--color-gold);
    display: block;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 12px rgba(200,169,81,0.4);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.88rem;
    opacity: 0.82;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ========== SECCIÓN RECTOR ========== */
.rector-section {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    padding: var(--spacing-xl) 5%;
    overflow: hidden;
}

.rector-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 70% 40%, rgba(200,169,81,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.rector-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.rector-text {
    color: var(--color-white);
}

.rector-text h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-gold-light);
    letter-spacing: -0.02em;
}

.rector-text h3 {
    font-family: var(--font-accent);
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.85;
    font-weight: 400;
    font-style: italic;
}

.rector-text p {
    font-size: 1.05rem;
    line-height: 1.85;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.rector-signature {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(200,169,81,0.25);
}

.rector-signature p {
    font-family: var(--font-accent);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-gold-light);
    opacity: 1 !important;
}

.rector-signature span {
    font-size: 0.9rem;
    opacity: 0.7;
}

.rector-video-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 2px solid rgba(200,169,81,0.35);
}

.rector-video-container video {
    width: 100%;
    display: block;
    background-color: #000;
}

.video-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
    padding: 1.75rem;
    color: var(--color-white);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.rector-video-container:hover .video-overlay {
    opacity: 1;
}

/* ========== FAQ ========== */
.faq-section {
    padding: var(--spacing-xl) 5%;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--color-white);
    margin-bottom: 0.75rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--color-light-border);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(200,169,81,0.25);
}

.faq-question {
    width: 100%;
    padding: 1.4rem 1.75rem;
    background-color: var(--color-white);
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
    font-family: var(--font-body);
}

.faq-question:hover {
    background-color: var(--color-off-white);
}

.faq-icon {
    font-size: 1.4rem;
    color: var(--color-gold-dark);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.75rem 1.5rem;
}

.faq-answer p {
    color: var(--color-gray);
    line-height: 1.8;
    font-size: 0.97rem;
}

/* ========== DECORACIONES ========== */
.academic-badge {
    display: inline-block;
    padding: 0.45rem 1.4rem;
    background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
    color: var(--color-primary-dark);
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    box-shadow: 0 4px 16px rgba(200,169,81,0.28);
    margin-bottom: 1rem;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-gold), var(--color-accent));
    margin: 2.5rem auto;
    border-radius: 2px;
}

/* ========== TESTIMONIOS ========== */
.testimonial-section {
    padding: var(--spacing-xl) 5%;
}

.testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-white);
    padding: 2.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-light-border);
    border-left: 4px solid var(--color-gold);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.testimonial-quote {
    font-size: 3rem;
    color: var(--color-gold);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.testimonial-text {
    font-style: italic;
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 1.75rem;
    font-family: var(--font-accent);
    font-size: 1.05rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.1rem;
    border: 2px solid var(--color-gold);
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.15rem;
    font-size: 0.97rem;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--color-gray-light);
    margin: 0;
}

/* ========== CREDITO ========== */
.credito {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    text-align: center;
    margin-top: 1.25rem;
    transition: var(--transition-normal);
    position: relative;
    z-index: 1;
}

.credito:hover { opacity: 1; color: rgba(255,255,255,0.6); }

.credito a {
    color: var(--color-gold);
    text-decoration: none;
    font-weight: 500;
}

.credito a:hover { color: var(--color-gold-light); }

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 78px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 78px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
        gap: 0.25rem;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-xl);
        border-top: 3px solid var(--color-gold);
        overflow-y: auto;
    }

    .nav-menu.active { left: 0; }

    .nav-menu a {
        padding: 0.9rem 1rem;
        border-radius: var(--radius-sm);
        font-size: 1rem;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a:hover {
        background-color: var(--color-off-white);
        padding-left: 1.4rem;
    }

    .menu-toggle { display: flex; }

    .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

    .hero { margin-top: 78px; height: 80vh; }

    .section { padding: var(--spacing-md) 5%; }
    .cards-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }

    .rector-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .stats-grid { gap: 0; }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.12);
    }
    .stat-item:last-child { border-bottom: none; }
}

@media (max-width: 640px) {
    .site-title h1 { font-size: 1rem; }
    .site-title p  { font-size: 0.62rem; }
    .logo { width: 48px; height: 48px; }

    .hero-content h1 { font-size: 2.1rem; }
    .section-title   { font-size: 1.85rem; }

    .slider-container { height: 320px; }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .valores-grid { grid-template-columns: 1fr 1fr; }

    .autoridades-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }
}

/* ========== UTILIDADES ========== */
.text-center  { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent  { color: var(--color-accent); }
.text-gold    { color: var(--color-gold); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.rector-video-container img {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.rector-video-container img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}
.rector-section {
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.rector-signature p {
    font-weight: bold;
    font-size: 1.2rem;
    color: #C9A961;
}

.rector-signature span {
    font-size: 0.9rem;
    color: #ccc;
}
@media (max-width: 768px) {
    .rector-content {
        flex-direction: column;
    }
}