/* ==========================================================================
   Pantalla de Proyectos - Estilos Específicos
   ========================================================================== */

/* 1. Encabezado de Proyectos */
.projects-header {
    text-align: center;
    padding: 55px 24px 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.projects-main-title {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--primary, #005187);
    margin: 0;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.projects-header-line {
    width: 220px;
    height: 4px;
    background-color: var(--primary, #005187);
    border-radius: 2px;
}

/* 2. Sección Principal y Toolbar */
.projects-catalog-section {
    max-width: 1280px;
    margin: 15px auto 70px;
    padding: 0 24px;
    position: relative;
    z-index: 5;
}

.projects-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.projects-toolbar {
    background-color: white;
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.search-box-wrapper {
    position: relative;
    flex: 1;
    max-width: 480px;
    display: flex;
    align-items: center;
}

.search-box-wrapper .search-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.project-search-input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background-color: var(--bg-secondary);
    transition: all 0.2s ease;
}

.project-search-input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(0, 81, 135, 0.15);
}

.projects-counter {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--secondary);
    background-color: var(--bg-secondary);
    padding: 6px 14px;
    border-radius: 14px;
    white-space: nowrap;
}

/* 3. Grid de Proyectos (3 Columnas x 9 Filas por Página = 27 máximo) */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    width: 100%;
}

/* Tarjeta de Proyecto */
.project-card {
    background-color: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.35s ease, border-color 0.35s ease;
    position: relative;
    text-decoration: none;
    color: inherit;
    /* Animación de entrada inicial / scroll */
    opacity: 0;
    transform: translateY(30px);
}

.project-card.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 81, 135, 0.18);
    border-color: var(--secondary);
}

/* Contenedor de Imagen de Proyecto */
.project-card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background-color: #f1f5f9;
    overflow: hidden;
}

.project-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

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

/* Badge de Documento / PDF */
.project-pdf-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(0, 81, 135, 0.88);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    color: white;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.project-card:hover .project-pdf-badge {
    background: var(--secondary);
    transform: scale(1.05);
}

/* Cuerpo de la Tarjeta */
.project-card-body {
    padding: 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
    justify-content: space-between;
    gap: 16px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    margin: 0 0 10px 0;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.project-card:hover .project-title {
    color: var(--secondary);
}

.project-description {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.65;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
}

.project-action-text {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s ease;
}

.project-card:hover .project-action-text {
    gap: 10px;
    color: var(--primary);
}

/* 4. Paginación Numerada */
.pagination-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding: 16px 0;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: var(--radius-md);
    background-color: white;
    color: var(--primary);
    border: 1px solid var(--border-color);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(0, 81, 135, 0.2);
}

.pagination-btn.active {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 6px 16px rgba(0, 81, 135, 0.3);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Estado de Resultados Vacíos */
.empty-projects-box {
    grid-column: 1 / -1;
    background-color: white;
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
    padding: 60px 20px;
    text-align: center;
}

.empty-projects-icon {
    font-size: 3.5rem;
    margin-bottom: 12px;
}

.empty-projects-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.empty-projects-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 480px;
    margin: 0 auto;
}

/* Responsividad */
@media (max-width: 960px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .projects-main-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .projects-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box-wrapper {
        max-width: 100%;
    }

    .projects-counter {
        text-align: center;
    }

    .projects-hero-section {
        padding: 40px 16px 50px;
    }

    .projects-main-title {
        font-size: 1.8rem;
    }
}