/* Blog (/blog/, home.php). Chargé seulement sur la page du blog (inc/blog.php).
   S'appuie sur les variables du thème clair de styles.css. */

.bl-hero { padding: 7.5rem 0 2.5rem; background: linear-gradient(180deg, #F4F9FE 0%, #FFFFFF 100%); }
.bl-hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); gap: 3rem; align-items: end; }
.bl-title { margin: .6rem 0 0; font-size: clamp(2.1rem, 4.4vw, 3.2rem); line-height: 1.08; font-weight: 800; letter-spacing: -.02em; color: var(--color-text); }
.bl-title .gradient-text { display: block; }
.bl-sub { margin: 1rem 0 0; max-width: 34rem; font-size: 1.125rem; line-height: 1.55; color: var(--color-text-secondary); }

.bl-hero-sub { padding: 1.4rem 1.5rem 1.2rem; background: #FFFFFF; border: 1px solid #E2E8F0; border-radius: var(--radius-lg); box-shadow: 0 18px 40px -24px rgba(15, 23, 42, .25); }
.bl-hero-sub-t { margin: 0 0 .9rem; font-weight: 700; font-size: 1.05rem; color: var(--color-text); }

/* Formulaire d'abonnement (en-tête et bandeau) */
.bl-sub-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bl-sub-row { display: flex; gap: .5rem; }
.bl-sub-input { flex: 1; min-width: 0; padding: .8rem 1rem; border: 1px solid #CBD5E1; border-radius: var(--radius-full); font: inherit; font-size: .95rem; color: var(--color-text); background: #FFFFFF; }
.bl-sub-input:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(43, 159, 232, .18); }
.bl-sub-btn { flex: none; padding: .8rem 1.3rem; border: 0; border-radius: var(--radius-full); background: linear-gradient(135deg, #5DD39E 0%, #2B9FE8 100%); color: #FFFFFF; font: inherit; font-weight: 700; font-size: .95rem; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.bl-sub-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -10px rgba(43, 159, 232, .6); }
.bl-sub-btn:disabled { opacity: .6; cursor: wait; transform: none; }
.bl-sub-hp { position: absolute; left: -9999px; }
.bl-sub-msg { margin: .6rem 0 0; font-size: .88rem; line-height: 1.45; }
.bl-sub-msg:empty { display: none; }
.bl-sub-msg.is-ok { color: #15803D; }
.bl-sub-msg.is-err { color: #B91C1C; }
.bl-sub-note { margin: .6rem 0 0; font-size: .8rem; line-height: 1.45; color: #64748B; }
.bl-sub-note a { color: inherit; text-decoration: underline; }

/* Filtres par thème : une ligne qui défile sur mobile */
.bl-filters { border-bottom: 1px solid #E2E8F0; background: #FFFFFF; }
.bl-filters-row { display: flex; flex-wrap: wrap; gap: .5rem; padding: 1rem 0; }
.bl-chip { display: inline-flex; align-items: center; gap: .4rem; padding: .45rem .9rem; border: 1px solid #E2E8F0; border-radius: var(--radius-full); font-size: .88rem; font-weight: 600; color: #334155; text-decoration: none; white-space: nowrap; transition: border-color .2s ease, color .2s ease; }
.bl-chip span { font-weight: 500; color: #94A3B8; }
.bl-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.bl-chip.is-on { background: #0F172A; border-color: #0F172A; color: #FFFFFF; }
.bl-chip.is-on span { color: #CBD5E1; }

.bl-list { padding: 2.5rem 0 5rem; }
.bl-batch { display: flex; align-items: center; gap: .55rem; margin: 0 0 1.2rem; font-size: .9rem; font-weight: 600; color: #334155; }
.bl-dot { width: 8px; height: 8px; border-radius: 50%; background: #5DD39E; box-shadow: 0 0 0 4px rgba(93, 211, 158, .22); }

.bl-kicker { display: flex; align-items: center; gap: .5rem; margin: 0; font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--color-primary); }
.bl-new { padding: .2rem .5rem; border-radius: var(--radius-full); background: rgba(93, 211, 158, .16); color: #15803D; letter-spacing: .04em; }
.bl-ex { margin: .6rem 0 0; color: #475569; line-height: 1.6; }
.bl-meta { margin: auto 0 0; padding-top: .9rem; font-size: .82rem; color: #64748B; }

/* Carte large en tête de page */
.bl-feature-in { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); background: #FFFFFF; border: 1px solid #E2E8F0; border-radius: var(--radius-xl); overflow: hidden; text-decoration: none; color: inherit; box-shadow: 0 24px 50px -32px rgba(15, 23, 42, .35); transition: transform .25s ease, border-color .25s ease; }
.bl-feature-in:hover { transform: translateY(-3px); border-color: rgba(43, 159, 232, .45); }
.bl-feature-img { aspect-ratio: 16 / 10; background: #F1F5F9; }
.bl-feature-img img { display: block; width: 100%; height: 100%; object-fit: cover; }
.bl-feature-txt { display: flex; flex-direction: column; padding: 2.2rem 2.4rem; }
.bl-feature-txt h2 { margin: .8rem 0 0; font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.18; font-weight: 800; letter-spacing: -.015em; color: var(--color-text); }
.bl-feature-txt .bl-ex { font-size: 1.02rem; }
.bl-feature-txt .bl-meta { margin-top: 1.2rem; padding-top: 0; }
.bl-read { margin-top: 1rem; font-weight: 700; color: var(--color-primary); }

/* Grille de cartes */
.bl-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.6rem; margin-top: 2.2rem; }
.bl-card a { display: flex; flex-direction: column; height: 100%; background: #FFFFFF; border: 1px solid #E2E8F0; border-radius: var(--radius-lg); overflow: hidden; text-decoration: none; color: inherit; transition: transform .2s ease, border-color .2s ease; }
.bl-card a:hover { transform: translateY(-3px); border-color: rgba(43, 159, 232, .45); }
.bl-card-img { aspect-ratio: 16 / 9; overflow: hidden; background: #F1F5F9; }
.bl-card-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.bl-card a:hover .bl-card-img img { transform: scale(1.03); }
.bl-card-txt { display: flex; flex: 1; flex-direction: column; padding: 1.2rem 1.3rem 1.2rem; }
.bl-card h3 { margin: .55rem 0 0; font-size: 1.12rem; line-height: 1.32; font-weight: 700; color: var(--color-text); }
.bl-card .bl-ex { font-size: .93rem; }

/* Bandeau d'essai */
.bl-cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 2.6rem; padding: 2rem 2.4rem; border-radius: var(--radius-xl); background: #0F172A; color: #E2E8F0; }
/* body.theme-light p (styles.css) fixe la couleur des paragraphes : même spécificité requise */
body.theme-light .bl-cta .bl-cta-t { margin: 0; font-size: 1.45rem; line-height: 1.25; font-weight: 800; color: #FFFFFF; }
body.theme-light .bl-cta-txt p:not(.bl-cta-t) { margin: .5rem 0 0; max-width: 40rem; color: #CBD5E1; line-height: 1.55; }
.bl-cta-btns { display: flex; flex: none; align-items: center; gap: 1.2rem; }
.bl-cta-link { color: #FFFFFF; font-weight: 600; text-decoration: none; white-space: nowrap; }
.bl-cta-link:hover { color: #5DD39E; }

/* Lignes compactes */
.bl-more-h { margin: 2.8rem 0 0; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #64748B; }
.bl-rows { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 1.6rem; margin-top: .6rem; border-top: 1px solid #E2E8F0; }
.bl-row a { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 1rem; align-items: start; padding: 1.1rem 0; border-bottom: 1px solid #E2E8F0; text-decoration: none; color: inherit; }
.bl-row-img { width: 72px; height: 72px; border-radius: var(--radius-md); overflow: hidden; background: #F1F5F9; }
.bl-row-img img { display: block; width: 100%; height: 100%; object-fit: cover; }
.bl-row h3 { margin: .3rem 0 0; font-size: .98rem; line-height: 1.35; font-weight: 700; color: var(--color-text); }
.bl-row a:hover h3 { color: var(--color-primary); }
.bl-row .bl-meta { padding-top: .35rem; }

/* Bandeau d'abonnement */
.bl-subband { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 26rem); gap: 2.5rem; align-items: center; margin-top: 3.2rem; padding: 2.2rem 2.4rem; border: 1px solid rgba(43, 159, 232, .25); border-radius: var(--radius-xl); background: linear-gradient(135deg, rgba(93, 211, 158, .08), rgba(43, 159, 232, .1)); scroll-margin-top: 7rem; }
.bl-subband-k { margin: 0; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #15803D; }
.bl-subband h2 { margin: .5rem 0 0; font-size: clamp(1.4rem, 2.6vw, 1.8rem); line-height: 1.2; font-weight: 800; color: var(--color-text); }
.bl-subband-txt p:last-child { margin: .6rem 0 0; color: #475569; line-height: 1.55; }

.bl-pagination { margin-top: 3rem; }
.bl-empty { padding: 3rem 0; color: #64748B; }

@media (max-width: 1024px) {
    .bl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bl-rows { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .bl-cta { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 900px) {
    .bl-hero { padding-top: 6.5rem; }
    .bl-hero-in, .bl-subband { grid-template-columns: minmax(0, 1fr); gap: 1.6rem; }
    .bl-feature-in { grid-template-columns: minmax(0, 1fr); }
    .bl-feature-txt { padding: 1.5rem 1.4rem 1.6rem; }
    /* Une seule ligne de filtres, qui défile ; la page, elle, ne défile jamais en largeur */
    .bl-filters-row { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
    .bl-filters-row::-webkit-scrollbar { display: none; }
}
@media (max-width: 640px) {
    .bl-grid, .bl-rows { grid-template-columns: minmax(0, 1fr); }
    .bl-sub-row { flex-direction: column; }
    .bl-sub-btn { width: 100%; }
    .bl-cta, .bl-subband { padding: 1.6rem 1.4rem; }
    .bl-cta-btns { flex-direction: column; align-items: stretch; width: 100%; }
    .bl-cta-btns .btn-primary { justify-content: center; text-align: center; }
    .bl-cta-link { text-align: center; }
}