/* ==========================================================================
   SEO Expert — Design System CSS Partagé (sxo-*)
   Ce fichier est chargé automatiquement sur toutes les pages du site.
   L'IA enrichit ce fichier lors de la création de pages via le Créateur de Pages.
   ========================================================================== */

:root {
    --sxo-primary: #2271b1;
    --sxo-secondary: #f0f6fc;
    --sxo-bg: #ffffff;
    --sxo-text: #1d2327;
    --sxo-text-light: #555;
    --sxo-radius: 24px;
    --sxo-radius-sm: 12px;
    --sxo-shadow: 0 20px 40px rgba(0,0,0,0.04);
    --sxo-shadow-hover: 0 25px 50px rgba(0,0,0,0.08);
    --sxo-transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --sxo-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* Container */
.sxo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typographie */
.sxo-container h1,
.sxo-container h2,
.sxo-container h3 {
    font-family: var(--sxo-font);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--sxo-text);
    line-height: 1.15;
}
.sxo-container h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; }
.sxo-container h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-top: 0; }
.sxo-container h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
.sxo-container p {
    font-family: var(--sxo-font);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--sxo-text-light);
}

/* Hero Banner */
.sxo-hero-banner {
    text-align: center;
    padding: 100px 20px 80px;
    position: relative;
}
.sxo-hero-banner h1 {
    margin-bottom: 24px;
}
.sxo-hero-banner p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Sections */
.sxo-content-section {
    padding: 100px 20px;
}
.sxo-content-section.sxo-alt-bg {
    background-color: var(--sxo-secondary);
}

/* Bouton Principal */
.sxo-btn-primary {
    display: inline-block;
    padding: 18px 42px;
    border-radius: 50px;
    background: var(--sxo-primary);
    color: #fff !important;
    text-decoration: none !important;
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--sxo-font);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    transition: var(--sxo-transition);
    border: none;
    cursor: pointer;
}
.sxo-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.18);
    filter: brightness(1.08);
}

/* Grille de Cartes */
.sxo-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    list-style: none;
    padding: 0;
    margin: 40px 0;
}
.sxo-grid-cards li,
.sxo-card {
    background: #fff;
    border-radius: var(--sxo-radius);
    padding: 40px;
    box-shadow: var(--sxo-shadow);
    transition: var(--sxo-transition);
}
.sxo-grid-cards li:hover,
.sxo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sxo-shadow-hover);
}

/* Images de Contenu */
.sxo-content-img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: var(--sxo-radius);
    box-shadow: 0 25px 50px rgba(0,0,0,0.1);
    margin: 40px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .sxo-hero-banner { padding: 60px 16px 40px; }
    .sxo-content-section { padding: 60px 16px; }
    .sxo-grid-cards { grid-template-columns: 1fr; gap: 20px; }
    .sxo-grid-cards li, .sxo-card { padding: 24px; }
    .sxo-btn-primary { padding: 14px 32px; }
}