/* ESTRUCTURA DOCENTE - SIAM POULAIN */
:root {
    --edu-primary: #1E3A8A; /* Azul marino académico */
    --edu-accent: #F59E0B;  /* Ámbar/Dorado intelectual */
    --edu-light: #F9FAFB;   /* Fondo claro */
    --edu-dark: #1F2937;    /* Texto principal oscuro */
    --white: #FFFFFF;
    --transition: all 0.3s ease-in-out;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Open Sans', system-ui, sans-serif; background-color: var(--edu-light); color: var(--edu-dark); line-height: 1.7; overflow-x: hidden; }
h1, h2, h3, h4 { font-family: 'Merriweather', serif; color: var(--edu-primary); }

/* CABECERA */
header { background: var(--white); padding: 15px 5%; display: flex; justify-content: space-between; align-items: center; position: fixed; width: 100%; top: 0; z-index: 1000; box-shadow: 0 4px 10px rgba(0,0,0,0.05); border-bottom: 3px solid var(--edu-accent); }
.brand h1 { font-size: 2rem; font-weight: 900; letter-spacing: -0.5px; }
.brand h1 span { color: var(--edu-accent); }
.brand p { font-size: 0.9rem; color: #6B7280; font-family: 'Open Sans', sans-serif; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-top: 2px; }
nav { display: flex; gap: 30px; align-items: center; }
.nav-links { display: flex; gap: 25px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--edu-dark); font-weight: 700; font-size: 0.95rem; text-transform: uppercase; transition: var(--transition); position: relative; }
.nav-links a::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0; background-color: var(--edu-accent); transition: var(--transition); }
.nav-links a:hover { color: var(--edu-primary); }
.nav-links a:hover::after { width: 100%; }
.lang-selector { padding: 8px 15px; background: var(--edu-light); border: 1px solid var(--edu-primary); color: var(--edu-primary); font-weight: bold; border-radius: 4px; cursor: pointer; transition: var(--transition); }
.lang-selector:hover { background: var(--edu-primary); color: var(--white); }

/* HERO (VÍDEO DE FONDO LOCAL) */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: flex-start; padding: 0 5%; overflow: hidden; }
.hero-video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; filter: brightness(40%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; margin-top: 80px; padding: 50px; background: rgba(255, 255, 255, 0.95); border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); border-left: 6px solid var(--edu-accent); }
.hero-content h2 { font-size: 3.2rem; color: var(--edu-primary); line-height: 1.2; margin-bottom: 20px; }
.hero-content p { font-size: 1.15rem; color: #4B5563; font-weight: 400; }

/* BLOQUES DE CONTENIDO */
.content-block { padding: 100px 5%; max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.content-block.full { grid-template-columns: 1fr; max-width: 900px; text-align: center; }
.content-block h2 { font-size: 2.5rem; margin-bottom: 30px; position: relative; padding-bottom: 15px; }
.content-block h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 60px; height: 4px; background: var(--edu-accent); }
.content-block.full h2::after { left: 50%; transform: translateX(-50%); }
.content-block p { font-size: 1.1rem; margin-bottom: 20px; text-align: justify; }

/* SERVICIOS: SOLO TÍTULOS E IMÁGENES EXTERNAS ESTABLES */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; margin-top: 50px; width: 100%; }
.service-card { position: relative; height: 350px; border-radius: 8px; overflow: hidden; display: flex; align-items: flex-end; justify-content: center; background: var(--edu-primary); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.service-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; transition: transform 0.5s ease; filter: brightness(60%); }
.service-card:hover img { transform: scale(1.05); filter: brightness(40%); }
.service-card .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(30,58,138,0.95) 0%, rgba(30,58,138,0) 70%); z-index: 2; pointer-events: none; }
.service-card h3 { position: relative; z-index: 3; color: var(--white); font-size: 1.3rem; font-weight: 700; text-align: center; padding: 30px 20px; width: 100%; font-family: 'Open Sans', sans-serif; text-transform: uppercase; }

/* TESTIMONIOS ANÓNIMOS */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 40px; margin-top: 40px; }
.testimonial-card { background: var(--white); padding: 40px; border-radius: 8px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); position: relative; border-bottom: 4px solid var(--edu-accent); text-align: left; }
.testimonial-card p { font-size: 1.1rem; font-style: italic; color: #4B5563; position: relative; z-index: 1; }
.testimonial-card::before { content: '”'; position: absolute; top: 10px; right: 20px; font-family: 'Merriweather', serif; font-size: 5rem; color: #E5E7EB; line-height: 1; z-index: 0; }

/* FAQ: EXACTAMENTE 2 PREGUNTAS (H3 + P) */
.faq-container { background: var(--white); padding: 50px; border-radius: 8px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); text-align: left; border-left: 5px solid var(--edu-primary); margin-top: 40px; }
.faq-item { margin-bottom: 40px; }
.faq-item:last-child { margin-bottom: 0; }
.faq-item h3 { color: var(--edu-primary); font-size: 1.4rem; margin-bottom: 15px; font-weight: 700; }
.faq-item p { font-size: 1.1rem; color: var(--edu-dark); }

/* FOOTER PROTEGIDO Y VISIBLE */
footer { background-color: var(--edu-primary); padding: 60px 5% 30px; margin-top: 80px; color: var(--white); border-top: 5px solid var(--edu-accent); clear: both; display: block; position: relative; width: 100%; }
.footer-columns { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; max-width: 1200px; margin: 0 auto 40px; }
.footer-columns > div { flex: 1; min-width: 220px; }
.footer-columns h4 { color: var(--edu-accent); font-size: 1.2rem; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 1px; font-family: 'Open Sans', sans-serif; }
.footer-columns p { color: #D1D5DB; font-size: 1rem; margin-bottom: 8px; }
.footer-menu-links { list-style: none; }
.footer-menu-links li { margin-bottom: 10px; }
.footer-menu-links a { color: #D1D5DB; text-decoration: none; font-size: 1rem; transition: var(--transition); display: block; }
.footer-menu-links a:hover { color: var(--white); padding-left: 5px; }

/* LOGO KIT DIGITAL */
.footer-legal-text { text-align: center; color: #9CA3AF; font-size: 0.9rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; width: 100%; };
.logo-kit-centered {
    display: block;
    margin: 0 auto 30px;
    background-color: transparent;
    
    /* Si el corrector te jugó una mala pasada y querías decir "más GRANDE" */
    max-width: 350px !important; 
    height: auto !important;
    
    /* Si literalmente querías que aparezca "más TARDE" en la pantalla (efecto de retraso) */
    opacity: 0;
    animation: aparecerFondo 1s ease-in forwards;
    animation-delay: 2s; /* Modifica este número para que tarde más o menos segundos en aparecer */
}