/*
 * Astreative.io - Styles des pages internes (expertises, Iterop, ressources, articles)
 * S'appuie sur les tokens et classes de site.css. Aucune dépendance.
 * Couvre : fil d'Ariane, hero de page interne, grilles de bénéfices, prose d'article,
 * FAQ (details/summary), cartes liées, cartes article, bandeau CTA.
 */

/* =========================================================
 * Fil d'Ariane
 * ========================================================= */
.crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted-2);
}

.crumbs a {
    color: var(--muted);
    transition: color 0.18s ease;
}

.crumbs a:hover {
    color: var(--blue);
}

.crumbs span[aria-current] {
    color: var(--ink);
}

.crumbs .sep {
    color: var(--line);
}

/* =========================================================
 * Hero de page interne
 * ========================================================= */
.page-hero {
    position: relative;
    padding: 54px 0 60px;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 70% 80% at 80% 20%, #000 0%, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 80% at 80% 20%, #000 0%, transparent 75%);
    opacity: 0.5;
    pointer-events: none;
}

.page-hero .wrap {
    position: relative;
}

.page-hero .crumbs {
    margin-bottom: 26px;
}

.page-hero h1 {
    margin: 18px 0 20px;
    font-size: clamp(33px, 5vw, 56px);
    line-height: 1.02;
    letter-spacing: -0.02em;
    max-width: 820px;
}

.page-hero h1 em {
    font-style: italic;
    color: var(--blue);
}

.page-hero .lead {
    max-width: 660px;
    margin-bottom: 30px;
}

.page-hero .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* =========================================================
 * Grille de bénéfices / arguments
 * ========================================================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.feature {
    padding: 30px 28px 32px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background-color: var(--paper-2);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.feature:hover {
    background-color: #fff;
    transform: translateY(-3px);
}

.feature .feature-num {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--blue);
    letter-spacing: 0.06em;
}

.feature h3 {
    margin: 16px 0 10px;
    font-size: 22px;
    line-height: 1.12;
}

.feature p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.55;
}

/* =========================================================
 * Prose (corps d'article et contenu rédactionnel)
 * ========================================================= */
.prose {
    max-width: 720px;
    margin: 0 auto;
}

.prose > * + * {
    margin-top: 22px;
}

.prose h2 {
    font-size: clamp(26px, 3.4vw, 36px);
    line-height: 1.12;
    margin-top: 48px;
}

.prose h3 {
    font-size: 22px;
    line-height: 1.18;
    margin-top: 34px;
}

.prose p {
    color: var(--ink-soft);
    font-size: 18px;
    line-height: 1.7;
}

.prose ul,
.prose ol {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-left: 0;
}

.prose ol {
    counter-reset: li;
}

.prose li {
    position: relative;
    padding-left: 30px;
    color: var(--ink-soft);
    font-size: 18px;
    line-height: 1.6;
}

.prose ul li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 11px;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background-color: var(--blue);
    transform: rotate(45deg);
}

.prose ol li::before {
    counter-increment: li;
    content: counter(li);
    position: absolute;
    left: 0;
    top: 1px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: var(--blue);
    color: #fff;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prose a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.prose strong {
    color: var(--ink);
    font-weight: 600;
}

.prose blockquote {
    margin: 0;
    padding: 18px 26px;
    border-left: 3px solid var(--blue);
    background-color: var(--paper-2);
    border-radius: 0 12px 12px 0;
    font-family: var(--display);
    font-size: 21px;
    line-height: 1.4;
    color: var(--ink);
}

/* Encart de mise en avant dans la prose */
.callout {
    padding: 22px 26px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius);
    background-color: var(--blue-100);
}

.callout p {
    color: var(--ink-soft);
    font-size: 16.5px;
}

/* Méta d'article */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

/* =========================================================
 * FAQ (details / summary, sans JavaScript)
 * ========================================================= */
.faq {
    max-width: 820px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--line);
    border-radius: 14px;
    background-color: var(--paper-2);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 24px;
    cursor: pointer;
    list-style: none;
    font-family: var(--display);
    font-size: 20px;
    font-weight: 500;
    color: var(--ink);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    flex-shrink: 0;
    font-family: var(--mono);
    font-size: 22px;
    color: var(--blue);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    content: "\2212";
}

.faq-item .faq-body {
    padding: 0 24px 22px;
}

.faq-item .faq-body p {
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.6;
}

/* =========================================================
 * Cartes liées (maillage interne)
 * ========================================================= */
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 26px 26px 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background-color: var(--paper-2);
    transition: border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.related-card:hover {
    background-color: #fff;
    border-color: rgba(72, 77, 255, 0.4);
    transform: translateY(-3px);
}

.related-card .rc-eyebrow {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--blue);
}

.related-card h3 {
    font-size: 21px;
    line-height: 1.15;
}

.related-card p {
    color: var(--muted);
    font-size: 15.5px;
    line-height: 1.5;
}

.related-card .rc-arrow {
    margin-top: auto;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--blue);
}

/* =========================================================
 * Cartes article (index ressources)
 * ========================================================= */
.post-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.post-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 34px 32px 36px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background-color: var(--paper-2);
    transition: border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.post-card:hover {
    background-color: #fff;
    border-color: rgba(72, 77, 255, 0.4);
    transform: translateY(-3px);
}

.post-card .post-cat {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--blue);
}

.post-card h2 {
    font-size: 25px;
    line-height: 1.12;
}

.post-card p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.55;
}

.post-card .rc-arrow {
    margin-top: auto;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--blue);
}

/* =========================================================
 * Bandeau CTA (fin de page)
 * ========================================================= */
.cta-band {
    background-color: var(--blue);
    color: #fff;
}

.cta-band .wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
}

.cta-band h2 {
    color: #fff;
    font-size: clamp(28px, 3.6vw, 40px);
    max-width: 620px;
}

.cta-band p {
    color: rgba(255, 255, 255, 0.86);
    font-size: 17px;
    margin-top: 12px;
    max-width: 560px;
}

.cta-band .btn-light {
    background-color: #fff;
    color: var(--blue);
    border-color: #fff;
}

.cta-band .btn-light:hover {
    background-color: var(--paper);
    transform: translateY(-2px);
}

/* =========================================================
 * Liste "checklist" en deux colonnes (pages expertise)
 * ========================================================= */
.checklist {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 32px;
}

.checklist li {
    position: relative;
    padding-left: 32px;
    color: var(--ink-soft);
    font-size: 16.5px;
    line-height: 1.5;
}

.checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 18px;
    height: 18px;
    border-radius: 6px;
    background-color: var(--blue);
}

.checklist li::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 5px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* =========================================================
 * Lien "cas d'usage" dans les cartes Réalisations (fond sombre, accueil)
 * ========================================================= */
.rea-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 16px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #8c8fff;
    transition: gap 0.18s ease;
}

.rea-link::after {
    content: "→";
}

.rea-link:hover {
    gap: 11px;
}

/* =========================================================
 * Lien "En savoir plus" dans les cartes expertise (accueil)
 * ========================================================= */
.exp-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 16px;
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--blue);
    transition: gap 0.18s ease;
}

.exp-link::after {
    content: "→";
}

.exp-link:hover {
    gap: 11px;
}

/* =========================================================
 * Section claire neutre (alternance de fond)
 * ========================================================= */
.section.alt {
    background-color: var(--paper-2);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

/* =========================================================
 * Bloc deux colonnes (texte + illustration)
 * ========================================================= */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 54px;
    align-items: center;
}

.split.reverse .split-media {
    order: 2;
}

.split-text h2 {
    font-size: clamp(28px, 3.6vw, 40px);
    margin-bottom: 18px;
    max-width: 520px;
}

.split-text .lead {
    margin-bottom: 22px;
}

/* Cadre sombre pour mettre en valeur un aperçu d'application (.mk) */
.mk-frame {
    padding: 30px;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 80% at 50% 0%, rgba(72, 77, 255, 0.16), transparent 70%),
        var(--ink);
    box-shadow: 0 40px 80px -40px rgba(20, 24, 31, 0.5);
}

/* =========================================================
 * Responsive
 * ========================================================= */
@media screen and (max-width: 767px) {
    .split { grid-template-columns: 1fr; gap: 30px; }
    .split.reverse .split-media { order: 0; }
}

@media screen and (max-width: 991px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: 1fr; }
}

@media screen and (max-width: 767px) {
    .feature-grid { grid-template-columns: 1fr; }
    .post-grid { grid-template-columns: 1fr; }
    .checklist { grid-template-columns: 1fr; }
    .cta-band .wrap { flex-direction: column; align-items: flex-start; }
    .prose p, .prose li { font-size: 17px; }
}