/**
 * Page Pilier - Layout et styles principaux
 * Fichier CSS externe - Bonnes pratiques
 */

/* Variables CSS */
:root {
    --primary: #0073aa;
    --primary-dark: #005a87;
    --text-dark: #1d2327;
    --text-light: #646970;
    --bg-light: #f0f0f1;
    --border-light: #dcdcde;
    --success: #00a32a;
    --warning: #dba617;
    --error: #d63638;
}

/* Hero Section */
.page-pilier-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.page-pilier-hero .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.page-pilier-breadcrumb {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.page-pilier-breadcrumb a {
    color: white;
    text-decoration: none;
}

.page-pilier-breadcrumb a:hover {
    text-decoration: underline;
}

.page-pilier-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 1rem;
    line-height: 1.2;
}

.page-pilier-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.95;
}

.page-pilier-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Widgets Bandeau (pleine largeur) */
.page-pilier-widgets-banner {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 2rem 0;
    margin-bottom: 3rem;
}

.page-pilier-widgets-banner .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Layout des widgets en grille horizontale */
.page-pilier-widgets-banner .pilier-widget {
    margin-bottom: 1.5rem;
}

.page-pilier-widgets-banner .pilier-widget:last-child {
    margin-bottom: 0;
}

/* Content Layout - 2 colonnes */
.page-pilier-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

/* Table of Contents (Sticky Sidebar Left) */
.page-pilier-toc {
    position: sticky;
    top: 100px;
    height: fit-content;
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
}

.page-pilier-toc h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem;
    color: var(--text-dark);
}

/* Sommaire uniquement (pas les pages liées) */
.page-pilier-toc > nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.page-pilier-toc > nav li {
    margin-bottom: 0.75rem;
}

.page-pilier-toc > nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: color 0.2s;
}

.page-pilier-toc > nav a:hover {
    color: var(--primary);
}

/* Main Content */
.page-pilier-content {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.page-pilier-content h2 {
    color: var(--primary);
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
}

.page-pilier-content h3 {
    color: var(--text-dark);
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
}

.page-pilier-content p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.page-pilier-content ul,
.page-pilier-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.page-pilier-content li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

/* Entity Box (Definition) */
.page-pilier-entity {
    background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    border-radius: 4px;
    margin: 2rem 0;
}

.page-pilier-entity h4 {
    color: var(--primary);
    font-size: 1.2rem;
    margin: 0 0 0.5rem;
}

.page-pilier-entity p {
    margin: 0;
    color: var(--text-dark);
}

/* E-E-A-T Signals Box */
.page-pilier-eeat {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.page-pilier-eeat h4 {
    font-size: 1.1rem;
    margin: 0 0 1rem;
    color: var(--text-dark);
}

.page-pilier-eeat-item {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.page-pilier-eeat-icon {
    font-size: 1.5rem;
}

/* Sidebar Right (Related Pages) */
.page-pilier-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.page-pilier-sidebar-box {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.page-pilier-sidebar-box h3 {
    font-size: 1.1rem;
    margin: 0 0 1rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--primary);
    padding-bottom: 0.5rem;
}

.page-pilier-sidebar-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.page-pilier-sidebar-box li {
    margin-bottom: 0.75rem;
}

.page-pilier-sidebar-box a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.page-pilier-sidebar-box a:hover {
    color: var(--primary);
}

/* CTA Banner (bas de page) */
.page-pilier-cta-banner {
    background: linear-gradient(135deg, #0073aa 0%, #005a87 100%);
    padding: 3rem 0;
    margin-top: 3rem;
    border-top: 3px solid #0369a1;
}

.page-pilier-cta-banner .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.cta-banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.cta-banner-text {
    flex: 1;
    color: white;
}

.cta-banner-text h3 {
    font-size: 1.75rem;
    margin: 0 0 0.75rem;
    color: white;
    font-weight: 700;
}

.cta-banner-text p {
    font-size: 1.1rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
}

.cta-banner-action {
    flex-shrink: 0;
}

.cta-banner-btn {
    display: inline-block;
    background: white;
    color: #0073aa;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.cta-banner-btn:hover {
    background: #f0f9ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Responsive */
@media (max-width: 1200px) {
    .page-pilier-container {
        grid-template-columns: 1fr;
    }

    .page-pilier-toc,
    .page-pilier-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .page-pilier-title {
        font-size: 2rem;
    }

    .page-pilier-content {
        padding: 1.5rem;
    }

    .page-pilier-container {
        padding: 0 1rem;
    }

    .cta-banner-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .cta-banner-text h3 {
        font-size: 1.5rem;
    }

    .cta-banner-text p {
        font-size: 1rem;
    }

    .cta-banner-btn {
        width: 100%;
        text-align: center;
    }
}