/* ============================================
   PBN Template - Custom CSS
   S'ajoute par-dessus Bootstrap 5 (CDN)
   ============================================ */

/* === VARIABLES CSS === */
/* NOTE: --primary, --primary-light, --accent sont injectés via PHP dans chaque page */
:root {
    --dark: #1a1a18;
    --mid: #4a4a46;
    --light: #f7f5f0;
    --border: #e8e4dc;
    --muted: #595959; /* Accessible contrast ratio 7:1 on white */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
}

/* === SKIP LINK (Accessibility) === */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 600;
    z-index: 9999;
    border-radius: 0 0 4px 4px;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* === BASE === */
body {
    background-color: var(--light);
    font-family: var(--font-body);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
}

/* Override Bootstrap .text-muted for accessibility (WCAG AA contrast) */
.text-muted {
    color: var(--muted) !important;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
}

/* === FOCUS STYLES (Accessibility) === */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus,
.btn:focus,
.nav-link:focus,
.page-link:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.article-card:focus-within,
.hero-card:focus-within {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

/* === NAVBAR === */
.navbar {
    background-color: #fff;
    border-bottom: 1px solid var(--border);
}

.navbar.scrolled {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.navbar-brand {
    font-family: var(--font-display);
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.navbar-brand:hover {
    color: var(--primary);
}

.nav-link {
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    color: var(--mid);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary);
}

/* === BANNIERE THEMATIQUE === */
.site-banner {
    background-color: var(--primary);
    color: #fff;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* === HERO ARTICLE === */
.hero-card {
    background-color: #fff;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.hero-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.hero-card .card-img-wrap {
    overflow: hidden;
    height: 420px;
}

.hero-card .card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-card:hover .card-img-wrap img {
    transform: scale(1.03);
}

.hero-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.8rem;
}

.hero-divider {
    width: 40px;
    height: 2px;
    background-color: var(--accent);
    margin: 1rem 0 1.5rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--dark) !important;
}

.btn-read-more {
    color: var(--primary);
    border-bottom: 1px solid var(--primary);
    padding-bottom: 2px;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-read-more:hover {
    gap: 0.9rem;
    color: var(--primary);
}

/* === CARDS ARTICLES === */
.article-card {
    background-color: #fff;
    border: 1px solid var(--border);
    overflow: hidden;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.card-img-wrap {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    position: relative;
}

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

.article-card:hover .card-img-wrap img {
    transform: scale(1.06);
}

.card-category-badge {
    position: absolute;
    bottom: 0.7rem;
    left: 0.7rem;
    background-color: var(--primary);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.6rem;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--dark) !important;
    transition: color 0.2s ease;
}

.article-card:hover .card-title {
    color: var(--primary) !important;
}

.card-excerpt {
    font-size: 0.83rem;
    color: var(--mid);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === PAGE ARTICLE === */
.breadcrumb-custom {
    font-size: 0.78rem;
    color: var(--mid);
}

.breadcrumb-custom a {
    color: var(--mid);
    text-decoration: none;
}

.breadcrumb-custom a:hover {
    color: var(--primary);
}

.article-header {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.article-category-badge {
    background-color: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.3rem 0.9rem;
    display: inline-block;
    margin-bottom: 1.2rem;
}

.article-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.article-intro {
    font-size: 1.05rem;
    color: var(--mid);
    line-height: 1.75;
    font-style: italic;
    border-left: 3px solid var(--accent);
    padding-left: 1.5rem;
}

.article-meta {
    font-size: 0.8rem;
    color: var(--mid);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0.8rem 0;
}

.article-hero-img {
    width: 100%;
    max-height: 400px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
}

.article-content h2 {
    font-family: var(--font-display);
    font-size: 1.9rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.article-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-top: 2rem;
}

.article-content p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.article-content blockquote {
    background-color: #fff;
    border-left: 4px solid var(--accent);
    padding: 1.5rem 2rem;
    font-style: italic;
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--mid);
    margin: 1.5rem 0;
}

.article-content a {
    color: var(--primary);
    border-bottom: 1px solid var(--primary);
    text-decoration: none;
}

.article-content a:hover {
    color: var(--primary-light);
    border-color: var(--primary-light);
}

.article-content ul,
.article-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.article-tags .tag {
    border: 1px solid var(--border);
    padding: 0.2rem 0.8rem;
    font-size: 0.75rem;
    color: var(--mid);
    transition: all 0.2s ease;
    display: inline-block;
    text-decoration: none;
}

.article-tags .tag:hover {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* === SIDEBAR === */
.sidebar {
    position: sticky;
    top: 90px;
}

.sidebar-widget {
    background-color: #fff;
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.widget-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 0.5rem;
    display: inline-block;
    margin-bottom: 1rem;
}

.toc-link {
    font-size: 0.83rem;
    color: var(--mid);
    display: block;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s ease;
    text-decoration: none;
}

.toc-link:hover {
    color: var(--primary);
    text-decoration: none;
}

.toc-link.active {
    color: var(--primary);
    font-weight: 600;
}

.related-mini-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    text-decoration: none;
}

.related-mini-item img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    flex-shrink: 0;
}

.related-mini-title {
    font-size: 0.83rem;
    font-weight: 500;
    line-height: 1.3;
    transition: color 0.2s ease;
    color: var(--dark);
}

.related-mini-item:hover .related-mini-title {
    color: var(--primary);
}

/* Sidebar article items */
.sidebar-article-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    text-decoration: none;
    padding: 0.75rem 0;
}

.sidebar-article-item.border-bottom {
    border-bottom: 1px solid var(--border);
}

.sidebar-article-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    flex-shrink: 0;
}

.sidebar-article-title {
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.35;
    color: var(--dark) !important;
    transition: color 0.2s ease;
}

.sidebar-article-item:hover .sidebar-article-title {
    color: var(--primary) !important;
}

/* === NEWSLETTER === */
.newsletter-section {
    background-color: var(--primary);
    color: #fff;
}

.newsletter-section input {
    background-color: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 0.8rem 1rem;
}

.newsletter-section input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-section input:focus {
    background-color: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
    box-shadow: none;
}

.newsletter-section .btn-subscribe {
    background-color: var(--accent);
    color: #fff;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.8rem 1.5rem;
}

.newsletter-section .btn-subscribe:hover {
    background-color: var(--accent);
    filter: brightness(0.85);
}

/* === FOOTER === */
footer {
    background-color: #1a1a18;
    color: rgba(255, 255, 255, 0.5);
}

.footer-brand .navbar-brand {
    color: #fff;
}

footer h5 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #fff;
}

footer a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s ease;
    text-decoration: none;
}

footer a:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.75rem;
}

/* === ANIMATIONS === */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* === PLACEHOLDER IMAGE === */
.img-placeholder {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 600;
    min-height: 200px;
    position: relative;
    overflow: hidden;
}

.img-placeholder::before {
    content: attr(data-letter);
    opacity: 0.9;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.img-placeholder::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: var(--accent);
    opacity: 0.15;
    border-radius: 50%;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .article-title {
        font-size: 2rem;
    }

    .sidebar {
        position: static;
    }

    .article-content blockquote {
        padding: 1rem 1.25rem;
    }

    .article-intro {
        padding-left: 1rem;
    }
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-primary, #2C5F2E); }