/* ============================================================
   Blog.css — Proto Blog index refondu
   DA refonte v7 : ivoire/encre/or/sapin
   Hero + chips filtres + hubs thematiques + grille articles
   ============================================================ */

:root {
  --c-encre: #0E2540;
  --c-nuit: #16314F;
  --c-or: #C9A86C;
  --c-or-deep: #A8884B;
  --c-or-pale: #E8D7AA;
  --c-ivoire: #F4ECDC;
  --c-ivoire-soft: #F8F2E2;
  --c-ivoire-deep: #EBDFC4;
  --c-sapin: #26466B;
  --c-sapin-light: #DDE6F1;
  --c-text-dim: #6E7280;
}

.blog-page {
  font-family: 'Manrope', system-ui, sans-serif;
  color: var(--c-encre);
  background: var(--c-ivoire);
  line-height: 1.6;
}

.blog-page h1, .blog-page h2, .blog-page h3, .blog-page h4 {
  font-family: 'DM Serif Display', 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ============ 1. HERO ============ */
.bg__hero {
  position: relative;
  padding: 160px 64px 80px;
  background: var(--c-ivoire);
  overflow: hidden;
}

.bg__hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-or) 30%, var(--c-or) 70%, transparent);
  opacity: 0.4;
}

.bg__hero-bg {
  position: absolute; inset: 0;
  pointer-events: none;
}
.bg__hero-bg .w {
  position: absolute;
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  color: rgba(201, 168, 108, 0.06);
  line-height: 0.85;
  white-space: nowrap;
}
.bg__hero-bg .w1 { font-size: 220px; top: 60px; left: -60px; }
.bg__hero-bg .w2 { font-size: 180px; bottom: 80px; right: -40px; color: rgba(38, 70, 107, 0.07); }

.bg__hero-in {
  position: relative; z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.bg__hero-crumbs {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-bottom: 32px;
}
.bg__hero-crumbs a {
  color: var(--c-text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}
.bg__hero-crumbs a:hover {
  color: var(--c-encre);
  border-color: var(--c-or);
}
.bg__hero-crumbs .sep {
  margin: 0 12px;
  color: var(--c-or);
}

.bg__hero-eb {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-or-deep);
  margin-bottom: 24px;
}

.bg__hero h1 {
  font-size: clamp(56px, 8vw, 112px);
  line-height: 1.0;
  color: var(--c-encre);
  margin: 0 0 28px;
}

.bg__hero-lede {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(20px, 2.2vw, 26px);
  color: var(--c-nuit);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.45;
}

.bg__hero-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 36px;
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-text-dim);
}
.bg__hero-meta .m b {
  color: var(--c-encre);
  font-weight: 600;
}

/* ============ 2. FILTRES STICKY ============ */
.bg__filters {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 236, 220, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-or-pale);
  padding: 18px 64px;
}

.bg__filters-in {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.bg__chip {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 10px 22px;
  background: transparent;
  border: 1px solid var(--c-or-pale);
  border-radius: 99px;
  color: var(--c-encre);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(.2,.7,.2,1);
  font-weight: 500;
}

.bg__chip:hover {
  border-color: var(--c-or);
  background: rgba(201, 168, 108, 0.08);
}

.bg__chip.is-active {
  background: var(--c-encre);
  color: var(--c-ivoire);
  border-color: var(--c-encre);
}

.bg__chip .count {
  font-size: 11px;
  margin-left: 6px;
  opacity: 0.7;
}

/* ============ 3. HUBS THEMATIQUES (cards en haut) ============ */
.bg__hubs {
  padding: 80px 64px 40px;
  background: var(--c-ivoire);
}

.bg__hubs-h {
  max-width: 1280px;
  margin: 0 auto 40px;
  text-align: center;
}
.bg__hubs-h .eb {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-or-deep);
  margin-bottom: 16px;
}
.bg__hubs-h .eb::before, .bg__hubs-h .eb::after {
  content: "—"; margin: 0 14px; color: var(--c-or);
}
.bg__hubs-h h2 {
  font-size: clamp(36px, 4.5vw, 56px);
  color: var(--c-encre);
}

.bg__hubs-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.bg__hub {
  display: block;
  padding: 32px 28px;
  background: white;
  border: 1px solid var(--c-or-pale);
  border-radius: 4px;
  text-decoration: none;
  color: var(--c-encre);
  transition: all 0.3s cubic-bezier(.2,.7,.2,1);
  position: relative;
  overflow: hidden;
}

.bg__hub::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--c-or);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s cubic-bezier(.2,.7,.2,1);
}

.bg__hub:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(14, 37, 64, 0.12);
  border-color: var(--c-or);
}
.bg__hub:hover::before {
  transform: scaleY(1);
}

.bg__hub .num {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: 48px;
  color: var(--c-or);
  line-height: 1;
  margin-bottom: 16px;
}

.bg__hub h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--c-encre);
}

.bg__hub p {
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  color: var(--c-text-dim);
  line-height: 1.5;
  margin: 0 0 16px;
}

.bg__hub .lab {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-or-deep);
  font-weight: 600;
}

/* ============ 4. FEUILLETON section dédiée ============ */
.bg__feuilleton {
  padding: 80px 64px;
  background: var(--c-sapin-light);
  position: relative;
}

.bg__feuilleton::before, .bg__feuilleton::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-or) 30%, var(--c-or) 70%, transparent);
  opacity: 0.5;
}
.bg__feuilleton::before { top: 0; }
.bg__feuilleton::after { bottom: 0; }

.bg__feuilleton-in {
  max-width: 1080px;
  margin: 0 auto;
}

.bg__feuilleton-h {
  text-align: center;
  margin-bottom: 50px;
}
.bg__feuilleton-h .eb {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-sapin);
  font-weight: 600;
  margin-bottom: 16px;
}
.bg__feuilleton-h .eb::before, .bg__feuilleton-h .eb::after {
  content: "—"; margin: 0 14px;
}
.bg__feuilleton-h h2 {
  font-size: clamp(40px, 5vw, 64px);
  color: var(--c-encre);
  margin-bottom: 18px;
}
.bg__feuilleton-h .lede {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--c-sapin);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.4;
}

.bg__feuilleton-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: white;
  padding: 8px;
  border: 1px solid var(--c-sapin);
  border-radius: 2px;
}

.bg__feuilleton-item {
  display: grid;
  grid-template-columns: 64px 100px 1fr auto;
  gap: 20px;
  padding: 18px 24px;
  align-items: center;
  text-decoration: none;
  color: var(--c-encre);
  transition: background 0.3s;
  border-bottom: 1px dashed var(--c-sapin-light);
}
.bg__feuilleton-item:last-child { border-bottom: none; }
.bg__feuilleton-item:hover {
  background: var(--c-sapin-light);
}

.bg__feuilleton-item .chap {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: 28px;
  color: var(--c-sapin);
}
.bg__feuilleton-item .date {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-dim);
}
.bg__feuilleton-item .ttl {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: 22px;
  line-height: 1.2;
}
.bg__feuilleton-item .read {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  color: var(--c-text-dim);
}
.bg__feuilleton-item.is-gap {
  background: var(--c-sapin-light);
  opacity: 0.6;
}
.bg__feuilleton-item.is-gap .ttl::before {
  content: "À venir — ";
  font-style: italic;
  color: var(--c-sapin);
}

/* ============ 5. GRILLE COMPLETE ============ */
.bg__grid-section {
  padding: 80px 64px;
  background: var(--c-ivoire);
}

.bg__grid-section-h {
  max-width: 1280px;
  margin: 0 auto 40px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
}
.bg__grid-section-h .eb {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-or-deep);
}
.bg__grid-section-h h2 {
  font-size: clamp(36px, 4.5vw, 56px);
  color: var(--c-encre);
  flex: 1;
}
.bg__sort {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  color: var(--c-text-dim);
  display: flex;
  gap: 12px;
}
.bg__sort button {
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: var(--c-text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding: 2px 0;
  transition: color 0.3s, border-color 0.3s;
}
.bg__sort button.is-active {
  color: var(--c-encre);
  border-color: var(--c-or);
}

.bg__grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.bg__card {
  display: flex;
  flex-direction: column;
  background: white;
  border: 1px solid rgba(201, 168, 108, 0.2);
  border-radius: 2px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(.2,.7,.2,1);
  text-decoration: none;
  color: var(--c-encre);
  position: relative;
}

.bg__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(14, 37, 64, 0.12);
  border-color: var(--c-or);
}

.bg__card-thumb {
  height: 180px;
  background: linear-gradient(135deg, var(--c-ivoire-deep), var(--c-or-pale));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bg__card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}

.bg__card-thumb .glyph {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: 72px;
  color: var(--c-or);
  opacity: 0.4;
}

.bg__card-theme {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: 'Manrope', sans-serif;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: rgba(14, 37, 64, 0.92);
  color: var(--c-or-pale);
  padding: 5px 10px;
  border-radius: 2px;
  z-index: 2;
}

.bg__card-body {
  padding: 24px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bg__card-date {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-dim);
  margin-bottom: 12px;
}

.bg__card h3 {
  font-size: 22px;
  line-height: 1.15;
  margin-bottom: 12px;
  color: var(--c-encre);
}

.bg__card-excerpt {
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  color: var(--c-text-dim);
  line-height: 1.5;
  margin: 0 0 16px;
  flex: 1;
}

.bg__card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px dashed rgba(201, 168, 108, 0.4);
}

.bg__card-foot .read {
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-text-dim);
}

.bg__card-foot .arr {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: 18px;
  color: var(--c-or);
  transition: transform 0.3s, color 0.3s;
}

.bg__card:hover .bg__card-foot .arr {
  transform: translateX(4px);
  color: var(--c-or-deep);
}

/* Cache les cards selon le filtre actif */
.bg__card.is-hidden {
  display: none;
}

/* ============ 6. NEWSLETTER CAPTURE (fin de page) ============ */
.bg__newsletter {
  padding: 80px 64px;
  background: var(--c-encre);
  color: var(--c-ivoire);
  text-align: center;
}

.bg__newsletter-in {
  max-width: 720px;
  margin: 0 auto;
}

.bg__newsletter .eb {
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-or-pale);
  margin-bottom: 20px;
}
.bg__newsletter .eb::before, .bg__newsletter .eb::after {
  content: "—"; margin: 0 14px; color: var(--c-or);
}

.bg__newsletter h2 {
  font-size: clamp(36px, 4.5vw, 56px);
  color: var(--c-ivoire);
  margin-bottom: 16px;
}

.bg__newsletter .lede {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--c-or-pale);
  margin-bottom: 36px;
  line-height: 1.4;
}

.bg__newsletter form {
  display: flex;
  gap: 8px;
  max-width: 460px;
  margin: 0 auto;
}

.bg__newsletter input {
  flex: 1;
  padding: 16px 20px;
  background: rgba(244, 236, 220, 0.08);
  border: 1px solid var(--c-or-pale);
  border-radius: 2px;
  color: var(--c-ivoire);
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
}
.bg__newsletter input::placeholder {
  color: rgba(244, 236, 220, 0.5);
}
.bg__newsletter input:focus {
  outline: none;
  border-color: var(--c-or);
  box-shadow: 0 0 0 3px rgba(201, 168, 108, 0.2);
}

.bg__newsletter button {
  padding: 16px 28px;
  background: var(--c-or);
  border: 1px solid var(--c-or);
  border-radius: 2px;
  color: var(--c-encre);
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}
.bg__newsletter button:hover {
  background: var(--c-or-deep);
}

.bg__newsletter .fine {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 15px;
  color: rgba(244, 236, 220, 0.7);
  margin-top: 20px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .bg__hero { padding: 120px 28px 60px; }
  .bg__filters { padding: 14px 20px; }
  .bg__filters-in { gap: 6px; }
  .bg__chip { padding: 8px 16px; font-size: 12px; }
  .bg__hubs { padding: 50px 24px 30px; }
  .bg__feuilleton { padding: 50px 24px; }
  .bg__feuilleton-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px 18px;
  }
  .bg__feuilleton-item .chap { font-size: 22px; }
  .bg__grid-section { padding: 50px 24px; }
  .bg__newsletter { padding: 50px 24px; }
  .bg__newsletter form { flex-direction: column; }
}

/* ============ REVEAL ============ */
.bg-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.2,1),
              transform 0.7s cubic-bezier(.2,.7,.2,1);
}
.bg-reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .bg-reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   MISE EN AVANT ROMAN (insérée entre hero Blog et filtres)
   Bandeau éditorial fort, distinct des cards d'articles
   ============================================================ */
.bg__roman {
  background: linear-gradient(135deg, #0E2540 0%, #15304F 60%, #1F3F5C 100%);
  color: var(--ivoire);
  padding: 96px 48px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.bg__roman::before {
  content: "";
  position: absolute; top: -120px; right: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 1px solid rgba(217,168,95,.18);
  pointer-events: none;
}
.bg__roman::after {
  content: "";
  position: absolute; bottom: -80px; left: 8%;
  width: 240px; height: 240px; border-radius: 50%;
  background: rgba(201,168,108,.05);
  pointer-events: none;
}
.bg__roman-in {
  max-width: 1180px; margin: 0 auto;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 72px;
  align-items: center;
  position: relative; z-index: 1;
}
.bg__roman-content { display: flex; flex-direction: column; gap: 24px; }
.bg__roman-eb {
  font-family: var(--f-sans); font-size: 11px; font-weight: 700;
  letter-spacing: .28em; text-transform: uppercase;
  color: var(--or-pale);
  display: inline-flex; align-items: center; gap: 14px;
}
.bg__roman-title {
  font-family: var(--f-display); font-style: italic;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.95; letter-spacing: -.03em;
  color: var(--ivoire);
  margin: 4px 0 8px;
  font-weight: 400; text-wrap: balance;
}
.bg__roman-title .dot { color: var(--or); }
.bg__roman-lede {
  font-family: var(--f-serif); font-style: italic;
  font-size: clamp(20px, 1.9vw, 24px); line-height: 1.45;
  color: var(--or-pale);
  margin: 0 0 8px;
  max-width: 58ch;
}
.bg__roman-lede em {
  color: var(--ivoire); font-style: italic;
}
.bg__roman-meta {
  display: flex; align-items: center; gap: 24px;
  flex-wrap: wrap;
  margin: 8px 0 8px;
}
.bg__roman-meta .m {
  font-family: var(--f-sans); font-size: 10px;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--or-pale); font-weight: 600;
  display: inline-flex; align-items: baseline; gap: 8px;
}
.bg__roman-meta .m b {
  font-family: var(--f-display); font-style: italic;
  font-size: 26px;
  color: var(--ivoire);
  letter-spacing: 0; text-transform: none; font-weight: 400;
  margin-right: 4px;
}
.bg__roman-meta .sep {
  width: 1px; height: 24px;
  background: rgba(217,168,95,.3);
}
.bg__roman-cta {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-top: 8px;
}
.bg__roman-cta a {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 32px;
  font-family: var(--f-sans); font-size: 12px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  text-decoration: none;
  border-radius: 999px;
  transition: background .3s, color .3s, transform .3s, box-shadow .3s, border-color .3s;
}
.bg__roman-cta .primary {
  background: var(--or);
  color: var(--b-encre);
}
.bg__roman-cta .primary:hover {
  background: var(--ivoire);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(201,168,108,.35);
}
.bg__roman-cta .primary .arrow {
  transition: transform .3s;
}
.bg__roman-cta .primary:hover .arrow {
  transform: translateX(4px);
}
.bg__roman-cta .secondary {
  background: transparent;
  color: var(--or-pale);
  border: 1.5px solid var(--or-pale);
}
.bg__roman-cta .secondary:hover {
  background: var(--or-pale);
  color: var(--b-encre);
  transform: translateY(-2px);
}

.bg__roman-side {
  position: relative;
}
.bg__roman-card {
  background: rgba(244,236,220,.04);
  border: 1px solid rgba(217,168,95,.28);
  border-left: 3px solid var(--or);
  padding: 36px 30px;
  position: relative;
  isolation: isolate;
}
.bg__roman-card::before {
  content: "“";
  position: absolute; top: -28px; left: 22px;
  font-family: var(--f-display); font-style: italic;
  font-size: 120px; line-height: 1;
  color: rgba(217,168,95,.35);
  pointer-events: none;
}
.bg__roman-card-eb {
  font-family: var(--f-sans); font-size: 10px;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--or); font-weight: 700;
  margin-bottom: 18px;
  position: relative; z-index: 1;
}
.bg__roman-card-q {
  font-family: var(--f-serif); font-style: italic;
  font-size: 21px; line-height: 1.45;
  color: var(--ivoire);
  position: relative; z-index: 1;
  margin-bottom: 20px;
}
.bg__roman-card-q em {
  color: var(--or-pale);
}
.bg__roman-card-foot {
  font-family: var(--f-sans); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--or-pale); font-weight: 600;
  padding-top: 14px;
  border-top: 1px solid rgba(217,168,95,.2);
}

@media (max-width: 1100px) {
  .bg__roman { padding: 64px 28px; }
  .bg__roman-in { grid-template-columns: 1fr; gap: 48px; }
  .bg__roman-side { order: 2; }
  .bg__roman-meta { gap: 16px; }
  .bg__roman-meta .sep { display: none; }
}