/* Variables de colores institucionales gob.mx */
:root {
    --imta-primary: #9D2449;
    --imta-secondary: #F2F2F2;
    --imta-accent: #6F1A37;
    --imta-text: #333333;
    --imta-text-light: #666666;
    --imta-border: #E0E0E0;
    --imta-hover: #B8295A;
    --imta-background: #FAFAFA;
    --imta-white: #FFFFFF;
    --imta-shadow: rgba(0, 0, 0, 0.1);
}

/* Estilos específicos para la página de participantes */
.imta-participants-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--imta-background);
    color: var(--imta-text);
    line-height: 1.6;
    font-size: 16px;
}

.imta-participants-page * {
    box-sizing: border-box;
}

/* Contenedor principal */
.imta-participants-page .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Título principal */
.imta-page-title {
    text-align: center;
    color: var(--imta-primary);
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.imta-page-subtitle {
    text-align: center;
    color: var(--imta-text-light);
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

/* Sección de introducción */
.imta-intro-section {
    max-width: 900px;
    margin: 0 auto 3rem auto;
    text-align: center;
}

.imta-intro-text {
    font-size: 1.8rem;
    color: var(--imta-text);
    line-height: 1.8;
    background: var(--imta-white);
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px var(--imta-shadow);
    border-left: 4px solid var(--imta-primary);
    text-align: justify;
}

.imta-page-subtitle {
    text-align: center;
    color: var(--imta-text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Sección de información del proyecto */
.imta-project-info {
    margin-bottom: 4rem;
}

.imta-section-title {
    text-align: center;
    color: var(--imta-primary);
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 2rem;
    position: relative;
}

.imta-section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--imta-primary);
    margin: 0.5rem auto;
    border-radius: 2px;
}

.imta-section-title-areas {
    text-align: center;
    color: var(--imta-primary);
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 2rem;
    position: relative;
}

.imta-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .imta-info-grid {
        grid-template-columns: 1fr; /* En móviles solo 1 columna */
    }
}

.imta-info-card {
    background: var(--imta-white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 3px 12px var(--imta-shadow);
    border: 1px solid var(--imta-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.imta-info-card-areas {
    background: var(--imta-white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 3px 12px var(--imta-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.imta-info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--imta-primary), var(--imta-accent));
}

.imta-info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(157, 36, 73, 0.12);
}

.imta-info-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.imta-info-title {
    color: var(--imta-primary);
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
    text-align: center;
}

.imta-info-title-areas {
    color: var(--imta-primary);
    font-size: 1.7rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
    text-align: center;
}

.imta-info-description {
    color: var(--imta-text);
    font-size: 1.5rem;
    line-height: 1.6;
    text-align: justify;
}

.imta-info-description-areas {
    color: var(--imta-text);
    font-size: 1.4rem;
    line-height: 1.6;
    text-align: justify;
}


/* Navegación de filtros */
.imta-filter-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.imta-filter-btn {
    background: var(--imta-white);
    border: 2px solid var(--imta-border);
    color: var(--imta-text);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    font-size: 1.5rem;
}

.imta-filter-btn:hover,
.imta-filter-btn.active {
    background: var(--imta-primary);
    color: var(--imta-white);
    border-color: var(--imta-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--imta-shadow);
}

/* Grid de participantes */
.imta-participants-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* Siempre 2 columnas iguales */
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Tarjetas de participantes */
.imta-participant-card {
    background: var(--imta-white);
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--imta-shadow);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--imta-border);
}

.imta-participant-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(157, 36, 73, 0.15);
}

.imta-card-photo {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--imta-secondary) 0%, var(--imta-border) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.imta-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.imta-card-photo-placeholder {
    width: 80px;
    height: 80px;
    background: var(--imta-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--imta-white);
    font-size: 2rem;
    font-weight: bold;
}

.imta-card-content {
    padding: 1.5rem;
}

.imta-card-name {
    font-size: 2rem;
    font-weight: bold;
    color: var(--imta-primary);
    margin-bottom: 0.5rem;
}

.imta-card-position {
    font-size: 1.8rem;
    color: var(--imta-text);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.imta-card-area {
    background: var(--imta-secondary);
    color: var(--imta-accent);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
}

.imta-card-email {
    color: var(--imta-primary);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 500;
}

.imta-card-email:hover {
    text-decoration: underline;
}


/* Pie de página del instituto */
.imta-institute-footer {
    background: var(--imta-primary);
    color: var(--imta-white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    margin-top: 3rem;
}

.imta-institute-name {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.imta-contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.imta-contact-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
}

/* Estados de filtro */
.imta-participant-card.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .imta-page-title {
        font-size: 2.5rem;
    }

    .imta-page-subtitle {
        font-size: 1.1rem;
    }

    .imta-section-title {
        font-size: 2rem;
    }

    .imta-intro-text {
        font-size: 1rem;
        padding: 1.25rem 1.5rem;
    }

    .imta-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .imta-info-card {
        padding: 1.25rem;
    }

    .imta-info-title {
        font-size: 1.2rem;
    }

    .imta-info-description {
        font-size: 1rem;
    }

    .imta-participants-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .imta-filter-nav {
        flex-direction: column;
        align-items: center;
    }

    .imta-filter-btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .imta-contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .imta-participants-page .container {
        padding: 1rem 0.5rem;
    }

    .imta-page-title {
        font-size: 2rem;
    }

    .imta-intro-text {
        font-size: 0.95rem;
        padding: 1rem;
    }

    .imta-info-card {
        padding: 1rem;
    }

    .imta-info-icon {
        font-size: 2.5rem;
    }

    .imta-info-title {
        font-size: 1.1rem;
    }

    .imta-card-content {
        padding: 1rem;
    }

    .imta-card-name {
        font-size: 1.2rem;
    }

    .imta-card-position {
        font-size: 1rem;
    }

    .imta-institute-footer {
        padding: 1.5rem 1rem;
    }

    .imta-institute-name {
        font-size: 1.5rem;
    }
}