/* =========================================
   CUT UNIVERSIDAD — style.css
   ========================================= */

:root {
    --azul-oscuro:  #0e3318;   /* Verde muy oscuro (fondo header/footer) */
    --azul-medio:   #1a5c2a;   /* Verde medio (tarjetas, hover) */
    --dorado:       #c9a227;   /* Dorado del logo (sol / árbol) */
    --dorado-claro: #e2b93b;   /* Dorado más claro para hover */
    --verde-claro:  #e8f5ec;   /* Verde muy suave para fondos */
    --blanco:       #ffffff;
    --gris-claro:   #f4f7f5;   /* Gris con tinte verde */
    --texto:        #1a1a1a;
    --fuente-titulo: 'Merriweather', serif;
    --fuente-cuerpo: 'Montserrat', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--fuente-cuerpo);
    color: var(--texto);
    background: var(--blanco);
    font-size: 16px;
    line-height: 1.7;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

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

/* =========================================
   HEADER / NAVEGACIÓN
   ========================================= */
.site-header {
    background: var(--azul-oscuro);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

/* Logo */
.logo a { display: flex; align-items: center; }
.logo-img {
    height: 52px;
    width: auto;
    display: block;
    /* El logo HOR tiene fondo negro — se ve bien sobre el header verde oscuro */
}
/* Fallback texto (si no carga la imagen) */
.logo-text {
    font-family: var(--fuente-titulo);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dorado);
    letter-spacing: 2px;
}
.logo-sub {
    font-family: var(--fuente-cuerpo);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Navegación */
.main-nav { display: flex; align-items: center; gap: 8px; }

.nav-list {
    list-style: none;
    display: flex;
    gap: 4px;
}

.nav-item > a {
    display: block;
    padding: 8px 14px;
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}
.nav-item > a:hover { color: var(--dorado); background: rgba(255,255,255,0.07); }

/* Dropdown */
.nav-item { position: relative; }
.dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--azul-medio);
    border-radius: 6px;
    min-width: 200px;
    list-style: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    padding: 8px 0;
}
.dropdown li a {
    display: block;
    padding: 10px 18px;
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    transition: background 0.2s, color 0.2s;
}
.dropdown li a:hover { background: rgba(255,255,255,0.1); color: var(--dorado); }
.nav-item:hover .dropdown { display: block; }

/* Botón Accesar */
.btn-accesar {
    background: var(--dorado);
    color: var(--azul-oscuro) !important;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 9px 20px;
    border-radius: 25px;
    margin-left: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.2s, transform 0.1s;
}
.btn-accesar:hover { background: var(--dorado-claro); transform: translateY(-1px); }

/* Hamburguesa */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--blanco);
    border-radius: 2px;
    transition: 0.3s;
}

/* =========================================
   HERO
   ========================================= */
.hero {
    background:
        linear-gradient(rgba(14,51,24,0.72), rgba(14,51,24,0.80)),
        url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?w=1600&q=80') center/cover no-repeat;
    color: var(--blanco);
    text-align: center;
    padding: 120px 24px 100px;
}

.hero-badge {
    display: inline-block;
    background: var(--dorado);
    color: var(--azul-oscuro);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    padding: 6px 18px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero h1 {
    font-family: var(--fuente-titulo);
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 16px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero-sub {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.btn-hero {
    display: inline-block;
    background: var(--dorado);
    color: var(--azul-oscuro);
    font-weight: 700;
    font-size: 1rem;
    padding: 14px 40px;
    border-radius: 30px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: background 0.2s, transform 0.1s;
    box-shadow: 0 4px 18px rgba(201,152,42,0.4);
}
.btn-hero:hover { background: var(--dorado-claro); transform: translateY(-2px); }

/* =========================================
   SECCIÓN TARJETAS (Quiénes somos, Visión, Misión)
   ========================================= */
.cards-section {
    padding: 80px 0;
    background: var(--gris-claro);
}

.cards-section .section-title {
    text-align: center;
    font-family: var(--fuente-titulo);
    font-size: 2rem;
    color: var(--azul-oscuro);
    margin-bottom: 50px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.card {
    background: var(--blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 32px rgba(0,0,0,0.12); }

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

.card-body { padding: 24px; }

.card-body h3 {
    font-family: var(--fuente-titulo);
    font-size: 1.2rem;
    color: #1a5c2a;
    margin-bottom: 10px;
}

.card-body p {
    font-size: 0.93rem;
    color: #555;
    margin-bottom: 16px;
}

.card-link {
    color: var(--dorado);
    font-weight: 700;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--dorado);
    padding-bottom: 2px;
    transition: color 0.2s;
}
.card-link:hover { color: var(--dorado-claro); }

/* =========================================
   SECCIÓN ACERCA DE (intro con imagen)
   ========================================= */
.about-section {
    padding: 90px 0;
    background: var(--blanco);
}

.about-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.about-img {
    flex: 1;
    min-width: 280px;
    max-width: 500px;
}
.about-img img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.about-text { flex: 1; min-width: 280px; }

.about-text .eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--dorado);
    margin-bottom: 12px;
}

.about-text h2 {
    font-family: var(--fuente-titulo);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: #0e3318;
    line-height: 1.3;
    margin-bottom: 20px;
}

.about-text p { color: #555; font-size: 1rem; margin-bottom: 14px; }

.btn-secondary {
    display: inline-block;
    margin-top: 10px;
    border: 2px solid var(--dorado);
    color: var(--dorado);
    font-weight: 700;
    font-size: 0.88rem;
    padding: 10px 28px;
    border-radius: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover { background: var(--dorado); color: var(--azul-oscuro); }

/* =========================================
   TESTIMONIOS
   ========================================= */
.testimonios-section {
    padding: 80px 0;
    background: #0e3318;
    color: var(--blanco);
    text-align: center;
}

.testimonios-section h2 {
    font-family: var(--fuente-titulo);
    font-size: 2rem;
    color: var(--dorado);
    margin-bottom: 50px;
}

.testimonio {
    max-width: 720px;
    margin: 0 auto;
    background: rgba(255,255,255,0.06);
    border-left: 4px solid var(--dorado);
    border-radius: 8px;
    padding: 36px 40px;
}

.testimonio blockquote {
    font-family: var(--fuente-titulo);
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
}

.testimonio cite {
    font-size: 0.9rem;
    color: var(--dorado);
    font-weight: 700;
    letter-spacing: 1px;
    font-style: normal;
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
    background: #061409;
    color: rgba(255,255,255,0.7);
    padding: 60px 0 0;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    justify-content: space-between;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .footer-logo-img {
    height: 80px;
    width: auto;
    margin-bottom: 10px;
}
.footer-brand .logo-text { font-size: 2rem; }
.footer-brand .logo-sub { font-size: 0.75rem; }
.footer-tagline { margin-top: 10px; font-size: 0.88rem; color: rgba(255,255,255,0.5); }

.footer-links h4, .footer-social h4 {
    color: var(--dorado);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--dorado); }

.social-icons { display: flex; gap: 14px; }

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.8);
    transition: background 0.2s, color 0.2s;
}
.social-icon svg { width: 18px; height: 18px; }
.social-icon:hover { background: var(--dorado); color: var(--azul-oscuro); }

.footer-bottom {
    padding: 20px 24px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: var(--dorado); }

/* =========================================
   BANNER INTERIOR (páginas interiores)
   ========================================= */
.page-banner {
    background: linear-gradient(135deg, #0e3318 0%, #1a5c2a 100%);
    color: var(--blanco);
    padding: 70px 24px 60px;
}
.breadcrumb {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.breadcrumb a { color: var(--dorado); }
.breadcrumb a:hover { text-decoration: underline; }
.page-banner h1 {
    font-family: var(--fuente-titulo);
    font-size: clamp(1.8rem, 4vw, 3rem);
    margin-bottom: 10px;
}
.banner-sub {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
}

/* =========================================
   SECCIONES INTERIORES GENERALES
   ========================================= */
.inner-section {
    padding: 80px 0;
    background: var(--blanco);
}

/* =========================================
   MISIÓN / VISIÓN
   ========================================= */
.mv-section {
    padding: 70px 0;
    background: var(--gris-claro);
}
.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.mv-card {
    background: var(--blanco);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-top: 4px solid var(--dorado);
}
.mv-icon { font-size: 2.5rem; margin-bottom: 16px; }
.mv-card h3 {
    font-family: var(--fuente-titulo);
    font-size: 1.5rem;
    color: var(--azul-oscuro);
    margin-bottom: 14px;
}
.mv-card p { color: #555; font-size: 0.97rem; }

/* =========================================
   VALORES
   ========================================= */
.valores-section {
    padding: 80px 0;
    background: var(--blanco);
}
.valores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.valor-item {
    background: var(--gris-claro);
    border-radius: 10px;
    padding: 28px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.valor-item:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.valor-icon {
    display: block;
    font-size: 1.5rem;
    color: var(--dorado);
    margin-bottom: 10px;
}
.valor-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 8px;
}
.valor-item p { font-size: 0.88rem; color: #666; }

/* =========================================
   EQUIPO
   ========================================= */
.equipo-section {
    padding: 80px 0;
    background: var(--gris-claro);
}
.equipo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}
.equipo-card {
    background: var(--blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    transition: transform 0.2s;
}
.equipo-card:hover { transform: translateY(-4px); }
.equipo-card img { width: 100%; height: 220px; object-fit: cover; object-position: top; }
.equipo-info { padding: 24px; }
.equipo-info h4 {
    font-family: var(--fuente-titulo);
    font-size: 1.1rem;
    color: var(--azul-oscuro);
    margin-bottom: 4px;
}
.equipo-info span {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dorado);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}
.equipo-info p { font-size: 0.88rem; color: #666; }

/* =========================================
   DATOS CLAVE (maestría)
   ========================================= */
.datos-section {
    background: #0e3318;
    padding: 50px 0;
}
.datos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
    text-align: center;
}
.dato-item { color: var(--blanco); }
.dato-num {
    display: block;
    font-family: var(--fuente-titulo);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--dorado);
    line-height: 1;
    margin-bottom: 8px;
}
.dato-label { font-size: 0.88rem; color: rgba(255,255,255,0.7); }

/* =========================================
   MAPA CURRICULAR
   ========================================= */
.curricula-section {
    padding: 80px 0;
    background: var(--gris-claro);
}
.semestres-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}
.semestre {
    background: var(--blanco);
    border-radius: 10px;
    padding: 28px;
    border-top: 3px solid var(--dorado);
    box-shadow: 0 3px 14px rgba(0,0,0,0.05);
}
.semestre h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dorado);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.semestre ul { list-style: none; padding: 0; }
.semestre li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: #444;
    border-bottom: 1px solid #f0f0f0;
}
.semestre li:last-child { border-bottom: none; }
.semestre li::before { content: '→ '; color: var(--dorado); font-weight: 700; }

/* =========================================
   PERFILES INGRESO / EGRESO
   ========================================= */
.perfiles-section {
    padding: 80px 0;
    background: var(--blanco);
}
.perfiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.perfil-card {
    border-radius: 12px;
    padding: 36px;
    color: var(--blanco);
}
.perfil-card.ingreso { background: #1a5c2a; }
.perfil-card.egreso  { background: #0e3318; }
.perfil-card h3 {
    font-family: var(--fuente-titulo);
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--dorado);
}
.perfil-card > p { font-size: 0.9rem; margin-bottom: 16px; color: rgba(255,255,255,0.8); }
.perfil-card ul { list-style: none; }
.perfil-card li {
    padding: 8px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.85);
}
.perfil-card li::before { content: '✓ '; color: var(--dorado); font-weight: 700; }

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
    background: var(--gris-claro);
    padding: 80px 24px;
    text-align: center;
}
.cta-inner h2 {
    font-family: var(--fuente-titulo);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--azul-oscuro);
    margin-bottom: 12px;
}
.cta-inner p { color: #666; font-size: 1rem; margin-bottom: 30px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* =========================================
   CONTACTO
   ========================================= */
.contacto-section { padding: 80px 0; }

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 60px;
    align-items: start;
}

.contacto-info h2 {
    font-family: var(--fuente-titulo);
    font-size: 1.7rem;
    color: var(--azul-oscuro);
    margin-bottom: 12px;
}
.contacto-info > p { color: #666; margin-bottom: 32px; }

.info-items { display: flex; flex-direction: column; gap: 22px; margin-bottom: 32px; }

.info-item { display: flex; gap: 14px; align-items: flex-start; }
.info-icon { font-size: 1.4rem; margin-top: 2px; }
.info-item strong { display: block; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--azul-oscuro); margin-bottom: 2px; }
.info-item p, .info-item a { font-size: 0.95rem; color: #555; }
.info-item a:hover { color: var(--dorado); }

.contact-social { display: flex; gap: 12px; }
.contact-social .social-icon { background: var(--gris-claro); color: var(--azul-oscuro); }
.contact-social .social-icon:hover { background: var(--dorado); color: var(--azul-oscuro); }

/* Formulario */
.contacto-form-wrap {
    background: var(--blanco);
    border-radius: 14px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.08);
    border: 1px solid #eee;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-group { display: flex; flex-direction: column; margin-bottom: 20px; }
.form-group label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--azul-oscuro);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.form-group label span { color: var(--dorado); }

.form-group input,
.form-group select,
.form-group textarea {
    padding: 11px 14px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    font-family: var(--fuente-cuerpo);
    font-size: 0.95rem;
    color: var(--texto);
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--blanco);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--dorado);
    box-shadow: 0 0 0 3px rgba(201,152,42,0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-group.has-error input,
.form-group.has-error textarea { border-color: #e53e3e; }

.field-error { font-size: 0.8rem; color: #e53e3e; margin-top: 4px; }

.form-error-box {
    background: #fff5f5;
    border: 1px solid #feb2b2;
    color: #c53030;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.btn-submit {
    display: inline-block;
    width: 100%;
    background: #1a5c2a;
    color: var(--blanco);
    font-family: var(--fuente-cuerpo);
    font-size: 1rem;
    font-weight: 700;
    padding: 14px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: background 0.2s, transform 0.1s;
}
.btn-submit:hover { background: #0e3318; transform: translateY(-1px); }

.form-success {
    text-align: center;
    padding: 50px 20px;
}
.success-icon { font-size: 3rem; display: block; margin-bottom: 16px; }
.form-success h3 {
    font-family: var(--fuente-titulo);
    font-size: 1.5rem;
    color: var(--azul-oscuro);
    margin-bottom: 10px;
}
.form-success p { color: #555; }

/* =========================================
   RESPONSIVE
   ========================================= */
/* =========================================
   RESPONSIVE PÁGINAS INTERIORES
   ========================================= */
@media (max-width: 900px) {
    .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .perfiles-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .contacto-form-wrap { padding: 24px 16px; }
    .mv-card { padding: 24px; }
    .cta-buttons { flex-direction: column; align-items: center; }
}

    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--azul-oscuro);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        gap: 0;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .main-nav.open { display: flex; }

    .nav-list { flex-direction: column; width: 100%; gap: 0; }
    .nav-item > a { padding: 12px 6px; font-size: 1rem; }

    .dropdown {
        display: none !important; /* simplificado en móvil */
    }

    .btn-accesar { margin: 16px 0 0; width: 100%; text-align: center; }

    .about-inner { flex-direction: column; }
    .about-img { max-width: 100%; }
}

@media (max-width: 600px) {
    .hero { padding: 80px 20px; }
    .cards-section, .about-section, .testimonios-section { padding: 50px 0; }
    .testimonio { padding: 24px; }
    .footer-inner { flex-direction: column; gap: 30px; }
}