/* ============================================================
   components.css — Composants réutilisables ARSTM
   Chargé dans _Layout.cshtml après site.css
   ============================================================ */

/* ============================================================
   1. PAGE HERO INTÉRIEURE
   Bannière bleue en haut de chaque page intérieure
   ============================================================ */
.page-hero {
    background: linear-gradient(
        135deg,
        var(--arstm-blue-dark) 0%,
        var(--arstm-blue-mid)  100%
    );
    padding: 64px 0 52px;
    position: relative;
    overflow: hidden;
}

/* Cercle décoratif droit */
.page-hero::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 400px; height: 400px;
    background: rgba(26,123,196,0.12);
    border-radius: 50%;
    pointer-events: none;
}

/* Point décoratif bas gauche */
.page-hero::after {
    content: '';
    position: absolute;
    bottom: -40px; left: 5%;
    width: 180px; height: 180px;
    background: rgba(232,101,10,0.08);
    border-radius: 50%;
    pointer-events: none;
}

.page-hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--arstm-orange);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 0.75rem;
}

.page-hero-eyebrow::before {
    content: '';
    width: 24px; height: 2px;
    background: var(--arstm-orange);
    border-radius: 1px;
}

.page-hero-title {
    color: var(--arstm-white);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.2;
    position: relative;
    z-index: 1;
}

.page-hero-subtitle {
    color: rgba(255,255,255,0.78);
    font-size: 1.02rem;
    max-width: 580px;
    line-height: 1.75;
    position: relative;
    z-index: 1;
}

/* Variante avec image de fond */
.page-hero.has-bg-img {
    background-size: cover;
    background-position: center;
}

.page-hero.has-bg-img::after,
.page-hero.has-bg-img::before { display: none; }

.page-hero.has-bg-img .page-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13,59,110,0.82);
}

/* ============================================================
   2. BREADCRUMB
   ============================================================ */
.arstm-breadcrumb-bar {
    background: var(--arstm-gray-light);
    border-bottom: 1px solid var(--arstm-gray-border);
    padding: 10px 0;
}

.arstm-breadcrumb-bar .breadcrumb {
    margin: 0;
    padding: 0;
    background: transparent;
    font-size: 0.82rem;
}

.arstm-breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    color: var(--arstm-gray-mid);
}

.arstm-breadcrumb-bar .breadcrumb-item a {
    color: var(--arstm-blue-light);
    font-weight: 600;
}

.arstm-breadcrumb-bar .breadcrumb-item.active {
    color: var(--arstm-gray-mid);
}

/* ============================================================
   3. SIDEBAR NAVIGATION (pages Institution, Formations)
   ============================================================ */
.arstm-sidebar {
    position: sticky;
    top: calc(var(--arstm-nav-height) + 16px);
}

.arstm-sidebar-nav {
    background: var(--arstm-white);
    border: 1px solid var(--arstm-gray-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.arstm-sidebar-title {
    background: var(--arstm-blue-dark);
    color: var(--arstm-white);
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 14px 20px;
}

.arstm-sidebar-nav ul {
    padding: 8px 0;
    margin: 0;
}

.arstm-sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--arstm-gray-dark);
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
}

.arstm-sidebar-nav li a:hover,
.arstm-sidebar-nav li a.active {
    color: var(--arstm-blue-dark);
    background: var(--arstm-blue-pale);
    border-left-color: var(--arstm-orange);
}

.arstm-sidebar-nav li a .bi {
    color: var(--arstm-blue-light);
    font-size: 1rem;
    flex-shrink: 0;
}

/* ============================================================
   4. CARDS FORMATIONS
   ============================================================ */
.formation-card {
    background: var(--arstm-white);
    border: 1px solid var(--arstm-gray-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-mid);
}

.formation-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px);
}

.formation-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.formation-card:hover .formation-card-img {
    transform: scale(1.04);
}

.formation-card-img-wrapper {
    overflow: hidden;
    position: relative;
}

/* Badge type formation (Initiale / Continue / Distance) */
.formation-card-type {
    position: absolute;
    top: 12px; left: 12px;
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 100px;
    background: var(--arstm-blue-dark);
    color: var(--arstm-white);
}

.formation-card-type.continue { background: var(--arstm-orange); }
.formation-card-type.distance  { background: #2C7A4B; }

.formation-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.formation-card-ecole {
    font-family: var(--font-heading);
    font-size: 0.70rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--arstm-blue-light);
    margin-bottom: 0.5rem;
}

.formation-card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--arstm-blue-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    flex: 1;
}

.formation-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.80rem;
    color: var(--arstm-gray-mid);
    margin-bottom: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--arstm-gray-border);
}

.formation-card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.formation-card-meta .bi {
    color: var(--arstm-orange);
}

.formation-card-cta {
    display: flex;
    gap: 10px;
    align-items: center;
}

.formation-card-link {
    font-family: var(--font-heading);
    font-size: 0.80rem;
    font-weight: 700;
    color: var(--arstm-blue-dark);
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-fast);
}

.formation-card-link:hover {
    color: var(--arstm-orange);
    gap: 8px;
}

.formation-card-pdf {
    font-size: 0.80rem;
    color: var(--arstm-gray-mid);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition-fast);
}

.formation-card-pdf:hover { color: var(--arstm-orange); }

/* ============================================================
   5. FAQ ACCORDÉON
   ============================================================ */
.arstm-faq .accordion-item {
    border: 1px solid var(--arstm-gray-border);
    border-radius: var(--border-radius) !important;
    margin-bottom: 10px;
    overflow: hidden;
    box-shadow: none;
    transition: box-shadow var(--transition-fast);
}

.arstm-faq .accordion-item:hover {
    box-shadow: var(--card-shadow);
}

.arstm-faq .accordion-button {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--arstm-blue-dark);
    background: var(--arstm-white);
    padding: 18px 20px;
    border-radius: var(--border-radius) !important;
    box-shadow: none !important;
}

.arstm-faq .accordion-button:not(.collapsed) {
    color: var(--arstm-blue-dark);
    background: var(--arstm-blue-pale);
    border-bottom: 1px solid var(--arstm-gray-border);
}

.arstm-faq .accordion-button::after {
    background-image: none;
    content: '\F282'; /* Bootstrap Icon bi-plus-lg */
    font-family: 'bootstrap-icons';
    font-size: 1rem;
    color: var(--arstm-orange);
    transition: transform var(--transition-fast);
}

.arstm-faq .accordion-button:not(.collapsed)::after {
    content: '\F374'; /* bi-dash-lg */
    transform: none;
}

.arstm-faq .accordion-body {
    font-size: 0.92rem;
    color: var(--arstm-gray-mid);
    line-height: 1.8;
    padding: 20px;
    background: var(--arstm-white);
}

/* ============================================================
   6. GALERIE PHOTOS (Médiathèque)
   ============================================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    background: var(--arstm-gray-light);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.07);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: rgba(13,59,110,0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-mid);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-overlay .bi {
    font-size: 2rem;
    color: var(--arstm-white);
}

/* ============================================================
   7. CARD PARTENAIRE / CLIENT
   ============================================================ */
.partenaire-card {
    background: var(--arstm-white);
    border: 1px solid var(--arstm-gray-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-mid);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.partenaire-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-3px);
    border-color: var(--arstm-blue-pale);
}

.partenaire-card img {
    max-height: 56px;
    max-width: 160px;
    object-fit: contain;
    filter: grayscale(40%);
    transition: filter var(--transition-mid);
}

.partenaire-card:hover img {
    filter: grayscale(0%);
}

.partenaire-card-name {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--arstm-gray-dark);
}

/* ============================================================
   8. BLOC INFO (admissions, institution)
   Equivalent des "info blocks" USNA
   ============================================================ */
.info-block {
    background: var(--arstm-white);
    border: 1px solid var(--arstm-gray-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-mid);
    border-bottom: 4px solid transparent;
}

.info-block:hover {
    box-shadow: var(--card-shadow-hover);
    border-bottom-color: var(--arstm-orange);
    transform: translateY(-4px);
}

.info-block-icon {
    width: 56px; height: 56px;
    background: var(--arstm-blue-pale);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--arstm-blue-dark);
    margin-bottom: 1.25rem;
    flex-shrink: 0;
}

.info-block-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--arstm-blue-dark);
    margin-bottom: 0.75rem;
}

.info-block-text {
    font-size: 0.88rem;
    color: var(--arstm-gray-mid);
    line-height: 1.75;
    flex: 1;
}

.info-block-link {
    font-family: var(--font-heading);
    font-size: 0.80rem;
    font-weight: 700;
    color: var(--arstm-orange);
    letter-spacing: 0.04em;
    margin-top: 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition-fast);
}

.info-block-link:hover {
    color: var(--arstm-orange);
    gap: 8px;
}

/* ============================================================
   9. TABLEAU DE DONNÉES (tarifs, stats)
   ============================================================ */
.arstm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.90rem;
    background: var(--arstm-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.arstm-table thead {
    background: var(--arstm-blue-dark);
    color: var(--arstm-white);
}

.arstm-table thead th {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 14px 16px;
    border: none;
    text-align: left;
}

.arstm-table tbody tr {
    border-bottom: 1px solid var(--arstm-gray-border);
    transition: background var(--transition-fast);
}

.arstm-table tbody tr:hover {
    background: var(--arstm-blue-pale);
}

.arstm-table tbody tr:last-child {
    border-bottom: none;
}

.arstm-table tbody td {
    padding: 13px 16px;
    color: var(--arstm-gray-dark);
    vertical-align: middle;
}

.arstm-table .highlight-col {
    font-weight: 700;
    color: var(--arstm-blue-dark);
}

/* ============================================================
   10. FORMULAIRE DE CONTACT ENRICHI
   ============================================================ */
.contact-form-wrapper {
    background: var(--arstm-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    padding: 2.5rem;
    border: 1px solid var(--arstm-gray-border);
}

.contact-form-wrapper .form-group {
    margin-bottom: 1.25rem;
}

.contact-info-card {
    background: var(--arstm-blue-dark);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    color: var(--arstm-white);
    height: 100%;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-icon {
    width: 40px; height: 40px;
    background: rgba(232,101,10,0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--arstm-orange);
    flex-shrink: 0;
}

.contact-info-label {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    display: block;
    margin-bottom: 3px;
}

.contact-info-value {
    font-size: 0.90rem;
    color: rgba(255,255,255,0.88);
    line-height: 1.55;
}

.contact-info-value a {
    color: inherit;
}

.contact-info-value a:hover {
    color: var(--arstm-orange);
}

/* ============================================================
   11. TAGS DE FILTRE (Médiathèque, Actualités)
   ============================================================ */
.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 2rem;
}

.filter-tag {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 7px 18px;
    border-radius: 100px;
    border: 1.5px solid var(--arstm-gray-border);
    background: var(--arstm-white);
    color: var(--arstm-gray-mid);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--arstm-blue-dark);
    border-color: var(--arstm-blue-dark);
    color: var(--arstm-white);
}

/* ============================================================
   12. PAGINATION
   ============================================================ */
.arstm-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 3rem;
}

.arstm-pagination a,
.arstm-pagination span {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    border: 1.5px solid var(--arstm-gray-border);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--arstm-gray-dark);
    transition: all var(--transition-fast);
    background: var(--arstm-white);
}

.arstm-pagination a:hover {
    background: var(--arstm-blue-pale);
    border-color: var(--arstm-blue-light);
    color: var(--arstm-blue-dark);
}

.arstm-pagination .active span,
.arstm-pagination span.current {
    background: var(--arstm-blue-dark);
    border-color: var(--arstm-blue-dark);
    color: var(--arstm-white);
}

/* ============================================================
   13. SECTION TITRE AVEC ONGLETS (Formations)
   ============================================================ */
.arstm-tabs {
    border-bottom: 2px solid var(--arstm-gray-border);
    display: flex;
    gap: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.arstm-tabs::-webkit-scrollbar { display: none; }

.arstm-tab {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--arstm-gray-mid);
    padding: 14px 24px;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}

.arstm-tab:hover {
    color: var(--arstm-blue-dark);
}

.arstm-tab.active {
    color: var(--arstm-blue-dark);
    border-bottom-color: var(--arstm-orange);
}

/* ============================================================
   14. CALLOUT BOX (encadrés informatifs)
   ============================================================ */
.callout {
    border-radius: var(--border-radius);
    padding: 1.25rem 1.5rem;
    border-left: 4px solid;
    margin: 1.5rem 0;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.callout-info {
    background: var(--arstm-blue-pale);
    border-color: var(--arstm-blue-light);
}

.callout-warning {
    background: #FFF8E6;
    border-color: var(--arstm-orange);
}

.callout-success {
    background: #EAF7EF;
    border-color: #28A745;
}

.callout .bi {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.callout-info .bi    { color: var(--arstm-blue-light); }
.callout-warning .bi { color: var(--arstm-orange); }
.callout-success .bi { color: #28A745; }

.callout-body {
    font-size: 0.90rem;
    line-height: 1.7;
    color: var(--arstm-gray-dark);
}

.callout-body strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    margin-bottom: 4px;
}

/* ============================================================
   15. RESPONSIVE GLOBAL COMPOSANTS
   ============================================================ */
@media (max-width: 991px) {
    .arstm-sidebar {
        position: static;
        margin-bottom: 2rem;
    }

    .contact-form-wrapper { padding: 1.75rem; }
    .page-hero { padding: 48px 0 40px; }
}

@media (max-width: 767px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .contact-form-wrapper { padding: 1.25rem; }
    .arstm-tab { padding: 12px 16px; font-size: 0.82rem; }
    .info-block { padding: 1.5rem; }
}

@media (max-width: 480px) {
    .gallery-grid { grid-template-columns: 1fr; }
    .filter-tags { gap: 6px; }
    .filter-tag { font-size: 0.74rem; padding: 6px 14px; }
}