/* ================================
   VARIABLES Y RESET
================================ */
:root {
    --azul-marino: #1a1f3a;
    --azul-oscuro: #0f1424;
    --rojo-siscca: #e53935;
    --magenta: #8e24aa;
    --blanco: #ffffff;
    --gris-claro: #f8f9fa;
    --gris-medio: #666;
    --gris-borde: #eee;
    --sombra-suave: rgba(0,0,0,.05);
    --sombra-media: rgba(0,0,0,.1);
    --sombra-fuerte: rgba(0,0,0,.2);
    
    /* Variables para espaciado y tamaños */
    --espaciado-seccion: 80px;
    --espaciado-elementos: 40px;
    --border-radius-base: 10px;
    --border-radius-grande: 15px;
    --padding-card: 30px;
    --padding-hero: 80px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--azul-marino);
    background: var(--blanco);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================
   UTILIDADES COMUNES
================================ */
.text-center { text-align: center;}
.uppercase { text-transform: uppercase; }
.bold { font-weight: 600; }
.color-primary { color: var(--azul-marino); }
.magenta { color: var(--magenta); }
.bg-light { background: var(--gris-claro); }
.bg-white { background: var(--blanco); }
.rounded { border-radius: var(--border-radius-base); }
.rounded-lg { border-radius: var(--border-radius-grande); }
.shadow-light { box-shadow: 0 2px 10px var(--sombra-suave); }

/* ================================
   HEADER
================================ */
header {
    background: var(--blanco);
    padding: 20px 0;
    border-bottom: 1px solid var(--gris-borde);
    box-shadow: 0 2px 4px var(--sombra-suave);
}

.baner-image {
    width: 400px;
    height: 50px;
    /*background-color: #0005;
    border-radius: 5px;
        /* Sombra sutil que hace legible el texto blanco */
    filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.7));
}

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

.logo-text {
    font-size: 24px;
    font-weight: 600;
    color: var(--azul-marino);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

nav a {
    text-decoration: none;
    color: var(--azul-marino);
    font-weight: 400;
    transition: color .2s ease;
}

nav a:hover, nav a.active {
    color: var(--rojo-siscca);
}

/* ================================
   HERO SECTIONS BASE
================================ */
.hero-base {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-marino) 100%);
    text-align: center;
    color: var(--blanco);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero {
    padding: var(--padding-hero) 0;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, #2d3561 50%, var(--azul-marino) 100%);
}

.programa-hero {
    padding: 60px 0;
}

.hero-main-container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.hero-logo-container {
    position: relative;
    display: inline-block;
    padding: 30px;
    background: rgba(255,255,255,.02);
    border-radius: var(--border-radius-grande);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,.08);
}

/* Títulos de hero */
.hero-title-large {
    font-size: 5rem;
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1;
    text-transform: uppercase;
    display: flex;
    align-items: baseline;
    justify-content: center;
    position: relative;
    z-index: 5;
}

.hero-title-medium {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

/* Componentes específicos del hero principal */
.xvii, .year {
    color: var(--rojo-siscca);
    font-weight: 900;
    text-shadow: 0 0 20px rgba(229,57,53,.3);
}

.siscca {
    color: var(--blanco);
    font-weight: 800;
    text-shadow: 0 0 15px rgba(255,255,255,.2);
}

.triangle-decoration {
    position: absolute;
    top: -25px;
    right: -15px;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 35px solid var(--rojo-siscca);
    transform: rotate(45deg);
    opacity: .9;
    z-index: 6;
}

/* Subtítulos hero */
.hero-subtitle {
    margin-top: 20px;
    font-size: .8rem;
    color: rgba(255,255,255,.8);
    text-align: center;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-subtitle-large {
    font-size: 1.2rem;
    opacity: .9;
    text-align: center;
    font-weight: 400;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-subtitle-large.hero-normal {
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
    text-transform: none;
    letter-spacing: normal;
}

.hero-careers {
    margin-top: 8px;
    font-size: .7rem;
    color: rgba(255,255,255,.6);
    font-weight: 300;
    letter-spacing: 1px;
}

/* Hashtag animado */
.hashtag-container {
    margin-top: 25px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.typewriter-text {
    font-size: 1.2rem;
    color: var(--blanco);
    font-weight: 600;
    letter-spacing: 1px;
    font-family: 'Courier New', monospace;
    text-shadow: 0 0 10px rgba(255,255,255,.3);
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--blanco);
    width: 0;
    animation: typing 2s steps(11,end) 1.5s forwards, blink-caret 1s step-end infinite;
}

@keyframes typing { to { width: 12ch; } }
@keyframes blink-caret { 50% { border-color: transparent; } }

.bg-pattern {
    position: absolute;
    inset: 0;
    opacity: .03;
    background: 
        radial-gradient(circle at 25% 25%, rgba(229,57,53,.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,.05) 0%, transparent 50%);
    z-index: 1;
}

.hero-info {
    font-size: 16px;
    margin: 40px auto;
    line-height: 1.8;
    opacity: .9;
    max-width: 600px;
}

/* ================================
   CAREER ICONS (Hero principal)
================================ */
.career-icons {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    overflow: hidden;
}

.civil-elements, .arch-elements, .tech-elements {
    position: absolute;
}

.civil-elements {
    top: 20%;
    left: 10%;
}

.civil-beam {
    width: 80px;
    height: 8px;
    background: var(--rojo-siscca);
    margin-bottom: 5px;
}

.civil-column {
    width: 8px;
    height: 60px;
    background: var(--rojo-siscca);
    margin: 0 auto;
}

.arch-elements {
    top: 60%;
    right: 15%;
}

.arch-blueprint {
    width: 60px;
    height: 60px;
    border: 3px solid var(--magenta);
    border-radius: 4px;
    position: relative;
}

.arch-blueprint::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 16px;
    height: 16px;
    border: 2px solid var(--magenta);
}

.tech-elements {
    top: 30%;
    right: 10%;
}

.circuit-pattern {
    position: relative;
    width: 60px;
    height: 60px;
}

.circuit-line {
    position: absolute;
    background: var(--azul-marino);
}

.circuit-line.h1, .circuit-line.h2 {
    height: 2px;
    width: 30px;
}

.circuit-line.v1, .circuit-line.v2 {
    width: 2px;
    height: 30px;
}

.circuit-line.h1 { top: 15px; left: 0; }
.circuit-line.h2 { bottom: 15px; right: 0; }
.circuit-line.v1 { top: 0; left: 15px; }
.circuit-line.v2 { bottom: 0; right: 15px; }

.circuit-node {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--azul-marino);
}

.circuit-node.node1 { top: 12px; left: 27px; }
.circuit-node.node2 { bottom: 12px; right: 27px; }

/* ================================
   MAIN CONTENT
================================ */
/* Video section */
.video-section {
    text-align: center;
}

        .video-container {
            position: relative;
            width: 100%;
            max-width: 700px; /* Tamaño intermedio */
            margin: 0 auto;
            padding-bottom: 50%; /* Aspect ratio 16:9 (proporción natural de YouTube) */
            height: 0;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        
        .video-player {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
            border-radius: 10px;
            object-fit: cover;
        }
/* Video section */

.main-content {
    padding: var(--espaciado-seccion) 0;
}

.section {
    margin-bottom: var(--espaciado-seccion);
}

/* Títulos de sección */
.section-title {
    font-size: 32px;
    font-weight: 600;
    color: var(--azul-marino);
    margin-bottom: var(--espaciado-elementos);
    text-align: center;
}

.section h2 {
    font-size: 32px;
    font-weight: 600;
    color: var(--azul-marino);
    margin-bottom: var(--espaciado-elementos);
    text-align: center;
}

/* Grids comunes */
.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--espaciado-elementos);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    margin-top: 60px;
}

/* Cards base */
.card {
    padding: var(--padding-card);
    background: var(--blanco);
    border-radius: var(--border-radius-base);
    box-shadow: 0 2px 10px var(--sombra-suave);
}

.card.text-center { 
    text-align: center; 
}

/* Contenido de las cards */
.card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--azul-marino);
    margin-bottom: 20px;
}

.card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.card p {
    color: var(--azul-marino);
    line-height: 1.7;
}

/* Flyer section */
.flyer-section {
    text-align: center;
    margin: var(--espaciado-seccion) 0;
}

.flyer-container {
    display: flex;
    justify-content: center;
    margin-top: var(--espaciado-elementos);
}
.flyer-container-conf {
    max-width: 100%;
    height: auto;
    max-height: 1600px;
}
.flyer-image {
    max-width: 100%;
    height: auto;
    max-height: 800px;
    border-radius: var(--border-radius-base);
    box-shadow: 0 10px 30px var(--sombra-fuerte);
    transition: transform .3s ease;
}

.flyer-image:hover { 
    transform: scale(1.02); 
}

/* Areas académicas */
.areas-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--espaciado-elementos);
    margin-top: var(--espaciado-elementos);
}

.area-item {
    background: var(--gris-claro);
    padding: 30px;
    text-align: center;
    border-radius: 4px;
    transition: background .3s ease;
}

.area-item:hover { 
    background: #e0e0e0; 
}

.area-title-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.area-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--magenta);
    margin-bottom: 15px;
    cursor: pointer;
}

.area-title-link:hover h4 { 
    color: var(--rojo-siscca); 
}

/* ================================
   PROGRAMA
================================ */
.programa-section { 
    margin: 60px 0; 
}

.dia-container { 
    margin-bottom: 60px; 
}

.dia-titulo {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--azul-marino);
    margin-bottom: var(--espaciado-elementos);
    text-align: center;
    padding: 20px 0;
    border-bottom: 3px solid var(--rojo-siscca);
    text-transform: uppercase;
    letter-spacing: -1px;
}

.area-programa {
    margin: var(--espaciado-elementos) 0;
    background: var(--gris-claro);
    border-radius: var(--border-radius-base);
    padding: 30px;
    box-shadow: 0 2px 10px var(--sombra-suave);
}

/* Títulos de área - Colores específicos */
.area-titulo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.area-titulo.arquitectura, .area-title.arquitectura { color: var(--magenta); }
.area-titulo.civil, .area-title.civil { color: var(--rojo-siscca); }
.area-titulo.sistemas, .area-title.sistemas { color: var(--azul-marino); }

.ubicacion {
    font-size: 1.3rem;
    color: var(--gris-medio);
    font-style: italic;
    margin-bottom: 25px;
    font-weight: 500;
}

/* Eventos */
.evento {
    display: flex;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--blanco);
    border-radius: 8px;
    border-left: 4px solid var(--rojo-siscca);
    box-shadow: 0 1px 3px var(--sombra-media);
}

.evento-hora {
    min-width: 140px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--azul-marino);
    padding-right: 20px;
    border-right: 2px solid var(--gris-borde);
    margin-right: 20px;
}

.evento-contenido { 
    flex: 1; 
}

.evento-tipo {
    font-weight: 600;
    color: var(--rojo-siscca);
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 8px;
}

.evento-titulo {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--azul-marino);
    margin-bottom: 8px;
    line-height: 1.4;
}

.evento-ponente {
    font-weight: 500;
    color: var(--gris-medio);
    font-size: .95rem;
    margin-bottom: 8px;
}

.evento-detalles {
    color: var(--azul-marino);
    line-height: 1.5;
}

.evento-detalles ul {
    margin: 10px 0;
    padding-left: 20px;
}

.evento-detalles li {
    margin-bottom: 8px;
    font-size: .9rem;
}

.info-adicional {
    background: var(--gris-claro);
    padding: 50px 0;
    border-radius: var(--border-radius-grande);
    margin: var(--espaciado-seccion) 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--espaciado-elementos);
    margin-top: var(--espaciado-elementos);
}

.info-item {
    background: var(--blanco);
    padding: 30px;
    text-align: center;
    border-radius: var(--border-radius-base);
    box-shadow: 0 2px 10px var(--sombra-suave);
}

.info-item h4 {
    font-size: 1.3rem;
    color: var(--magenta);
    margin-bottom: 15px;
}

.info-item p {
    color: var(--azul-marino);
    line-height: 1.7;
}

/* ================================
   CONFERENCISTAS
================================ */
.conferencistas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin: var(--espaciado-seccion) 0;
}

.area-column {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.area-header {
    text-align: center;
    margin-bottom: var(--espaciado-elementos);
    padding-bottom: 20px;
    border-bottom: 3px solid;
    width: 100%;
}

.area-header.arquitectura { border-bottom-color: var(--magenta); }
.area-header.civil { border-bottom-color: var(--rojo-siscca); }
.area-header.sistemas { border-bottom-color: var(--azul-marino); }

.area-title {
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.conferencias-list {
    display: flex;
    flex-direction: column;
    gap: var(--espaciado-elementos);
    width: 100%;
}

.conferencista-card {
    background: var(--gris-claro);
    border-radius: var(--border-radius-grande);
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
}

.conferencista-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.conferencista-foto {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px auto;
    border: 4px solid;
    display: block;
}

.arquitectura .conferencista-foto { border-color: var(--magenta); }
.civil .conferencista-foto { border-color: var(--rojo-siscca); }
.sistemas .conferencista-foto { border-color: var(--azul-marino); }

.conferencista-nombre {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--azul-marino);
    margin-bottom: 10px;
    line-height: 1.3;
}

.conferencista-cargo {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 15px;
    font-style: italic;
}

.arquitectura .conferencista-cargo { color: var(--magenta); }
.civil .conferencista-cargo { color: var(--rojo-siscca); }
.sistemas .conferencista-cargo { color: var(--azul-marino); }

.conferencia-tema {
    font-size: 0.95rem;
    color: var(--azul-marino);
    line-height: 1.5;
    font-weight: 500;
    margin-bottom: 15px;
}

.conferencia-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.fecha {
    font-weight: 600;
    color: var(--azul-marino);
    font-size: 0.9rem;
}

.modalidad {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modalidad.presencial {
    background: #e8f5e8;
    color: #2e7d32;
}

.modalidad.virtual {
    background: #e3f2fd;
    color: #1565c0;
}

/* ================================
   CONTACTO
================================ */
.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin: var(--espaciado-elementos) 0;
}

.contacto-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contacto-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contacto-item:last-child {
    margin-bottom: 0;
}

.contacto-icon {
    font-size: 2rem;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contacto-item h4 {
    color: var(--azul-marino);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.contacto-item p {
    color: var(--gris-medio);
    line-height: 1.6;
    margin: 0;
}

.contacto-link {
    color: var(--rojo-siscca);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contacto-link:hover {
    color: var(--magenta);
    text-decoration: underline;
}

.mapa-container {
    display: flex;
    flex-direction: column;
}

.mapa-dinamico {
    height: 400px;
    border-radius: var(--border-radius-base);
    margin: 20px 0;
    box-shadow: 0 4px 15px var(--sombra-media);
}

.mapa-info {
    padding: 15px 0;
    border-top: 1px solid var(--gris-borde);
    margin-top: 15px;
}

.mapa-info p {
    margin: 5px 0;
    color: var(--gris-medio);
}

.mapa-info strong {
    color: var(--azul-marino);
}

.enlaces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: var(--espaciado-elementos);
}

.enlace-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

.hover-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--sombra-media);
}

.enlace-card h4 {
    margin-bottom: 10px;
    font-weight: 600;
}

.enlace-card p {
    color: var(--gris-medio);
    font-size: 0.9rem;
}

.civil { color: var(--rojo-siscca); }
.arquitectura { color: var(--magenta); }
.sistemas { color: var(--azul-marino); }

/* ================================
   FOOTER
================================ */
footer {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-marino) 100%);
    color: var(--blanco);
    padding: var(--espaciado-elementos) 0;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--espaciado-elementos);
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.footer-section p { 
    line-height: 1.7; 
}

.footer-section a { 
    color: var(--blanco); 
    text-decoration: none; 
}

.footer-section a:hover { 
    text-decoration: underline; 
}

.loggia-image {
    width: 100px;
    height: 100px;
}

/* ================================
   RESPONSIVE
================================ */
@media (max-width: 968px) {
    .conferencistas-grid {
        grid-template-columns: 1fr;
        gap: var(--espaciado-elementos);
    }
    
    .area-column {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    :root {
        --espaciado-seccion: 40px;
        --espaciado-elementos: 30px;
        --padding-card: 25px;
        --padding-hero: 40px;
    }

    .header-content { 
        flex-direction: column; 
        gap: 15px; 
        padding: 10px 0; 
    }
    
    .logo-text { font-size: 20px; }
    
    nav ul { 
        gap: 15px; 
        flex-wrap: wrap; 
        justify-content: center; 
        font-size: 14px; 
    }

    .hero { 
        min-height: 80vh; 
    }
    
    .hero-logo-container { 
        padding: 20px; 
        margin: 0 10px; 
    }
    
    .hero-title-large { 
        font-size: 2.8rem; 
        letter-spacing: -2px; 
        flex-direction: column; 
        align-items: center; 
        gap: 5px; 
    }

    .hero-title-medium { 
        font-size: 2rem; 
    }
    
    .triangle-decoration { 
        top: -15px; 
        right: -8px; 
        border-left: 25px solid transparent; 
        border-right: 25px solid transparent; 
        border-bottom: 20px solid var(--rojo-siscca); 
    }
    
    .hero-subtitle { 
        font-size: .7rem; 
        margin-top: 15px; 
    }

    .hero-subtitle-large { 
        font-size: 1rem; 
        padding: 0 20px;
    }
    
    .hero-careers { 
        font-size: .6rem; 
        margin-top: 5px; 
        padding: 0 10px; 
    }
    
    .hashtag-container { 
        margin-top: 20px; 
        height: 30px; 
    }
    
    .typewriter-text { 
        font-size: 1rem; 
        min-width: 120px; 
    }
    
    .hero-info { 
        font-size: 14px; 
        margin: 30px auto; 
        padding: 0 20px; 
    }
    
    .dia-titulo { 
        font-size: 1.8rem; 
    }
    
    .area-programa { 
        padding: 20px; 
    }
    
    .area-titulo { 
        font-size: 1.4rem; 
    }
    
    .evento { 
        flex-direction: column; 
        padding: 15px; 
    }
    
    .evento-hora { 
        min-width: auto; 
        border-right: none; 
        border-bottom: 2px solid var(--gris-borde); 
        margin-right: 0; 
        margin-bottom: 15px; 
        padding-bottom: 10px; 
    }

    .conferencista-card {
        padding: 25px 20px;
    }

    .conferencista-foto {
        width: 120px;
        height: 120px;
    }

    /* Contacto responsive */
    .contacto-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contacto-info {
        gap: 25px;
    }

    .contacto-icon {
        font-size: 1.5rem;
        min-width: 40px;
    }

    .mapa-dinamico {
        height: 300px;
    }

    .enlaces-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .section h2, .section-title { 
        font-size: 24px; 
    }
    
    .grid-auto, .section-grid { 
        grid-template-columns: 1fr; 
        gap: 25px; 
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .card h3 { 
        font-size: 20px; 
    }
    
    .areas-list { 
        gap: 20px; 
    }
    
    .area-item { 
        padding: 20px; 
    }
    
    .flyer-image { 
        max-height: 600px; 
        border-radius: 8px; 
    }
    
    .container { 
        padding: 0 15px; 
    }
    
    .footer-content { 
        gap: 30px; 
    }
}

/* Video section */
        /* Responsive design */
        @media (max-width: 768px) {
            .section {
                padding: 1rem;
            }
            
            .section-title {
                font-size: 1.5rem;
            }
        }
/* Video section */

@media (max-width: 480px) {
    :root {
        --espaciado-seccion: 30px;
        --espaciado-elementos: 20px;
        --padding-card: 20px;
    }

    .hero { 
        min-height: 70vh; 
    }
    
    .hero-logo-container { 
        padding: 15px; 
        margin: 0 5px; 
    }
    
    .hero-title-large { 
        font-size: 2.2rem; 
        letter-spacing: -1px; 
    }
    
    .typewriter-text { 
        font-size: .9rem; 
        min-width: 110px; 
    }
    
    .hero-info { 
        font-size: 13px; 
        margin: 25px auto; 
    }

    .conferencista-foto {
        width: 100px;
        height: 100px;
    }

    .conferencista-nombre {
        font-size: 1.1rem;
    }

    .conferencista-cargo {
        font-size: 0.9rem;
    }

    .conferencia-tema {
        font-size: 0.85rem;
    }

    .conferencista-card {
        padding: 20px 15px;
    }
    
    .card h3 { 
        font-size: 18px; 
    }
    
    .card p { 
        font-size: 14px; 
    }
    
    nav ul { 
        gap: 10px; 
        font-size: 13px; 
    }
    
    .container { 
        padding: 0 10px; 
    }
}

@media (max-width: 360px) {
    .hero-title-large { 
        font-size: 1.8rem; 
    }
    
    .hero-subtitle { 
        font-size: .6rem; 
    }
    
    .hero-careers { 
        font-size: .5rem; 
    }
    
    .typewriter-text { 
        font-size: .8rem; 
        min-width: 100px; 
    }
    
    nav ul { 
        flex-direction: column; 
        gap: 8px; 
        align-items: center; 
    }
}