/* ==========================================================================
   BASE STYLES (STRUCTURE & LAYOUT)
   ========================================================================== */

/* Layout Containers */
.main-content {
    max-width: 80%;
    margin: 0 auto;
    padding: 2rem 0;
}

.page-header {
    padding: 2rem 10%;
    text-align: left;
}

/* Grids */
.service-grid, .grid-2, .grid-3 {
    display: grid;
    gap: 2rem;
}

.service-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    margin: 3rem 0;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin: 2rem 0;
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin: 2rem 0;
}

.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.explorer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Cards & Panels (Structure Only) */
.card, .service-card, .formation-card, .glass-panel {
    border-radius: 8px;
    padding: 1.5rem;
    display: block;
    position: relative;
    overflow: hidden;
}

.formation-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.formation-thumbnail {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
    margin-bottom: 1rem;
}

/* Navigation Controls (Breadcrumb, Search, View Switcher) */
.breadcrumb-auto {
    padding: 0.75rem 1rem;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

.catalog-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-switcher {
    display: flex;
    gap: 0.5rem;
}

.back-button {
    display: inline-block;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
}

/* Footer (Custom) */
.site-footer-custom {
    margin-top: 4rem;
    padding: 2rem 0 1rem;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links .separator {
    margin: 0 0.75rem;
}

/* Utilities */
.cta-center { text-align: center; margin: 3rem 0; }
.cta-left { text-align: left; margin: 3rem 0; }
.cta-right { text-align: right; margin: 3rem 0; }

.hidden { display: none !important; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .main-content {
        max-width: 95% !important;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .page-header {
        padding-left: 2.5% !important;
        padding-right: 2.5% !important;
    }

    .view-switcher {
        width: 100%;
        justify-content: center;
    }

    .catalog-search input {
        width: 100%;
    }
}