/* Template miniblog « Horizon » : Poppins, fond blanc, hero sur photo pleine largeur, bandes anthracite, rouge.
   Aucune image dans les listes d'articles. */
:root {
  --ink: #15171c;
  --text: #3a3d45;
  --muted: #6c707a;
  --rule: #e6e7ea;
  --soft: #f6f6f7;
  --dark: #1b1d22;
  --dark-2: #23262d;
  --accent: #d7263d;
  --accent-dark: #b11d31;
  --accent-soft: #fdecee;
  --font: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --gutter: clamp(16px, 5vw, 64px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--text); font: 400 16px/1.7 var(--font); }
a { color: inherit; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--ink); font-weight: 600; line-height: 1.2; letter-spacing: -.02em; margin: 0; }
.mb-wrap { max-width: 1200px; margin: 0 auto; padding-inline: var(--gutter); }
.mb-narrow { max-width: 820px; }
.mb-skip { position: absolute; left: -9999px; }
.mb-skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 20; }
.mb-kicker { position: relative; margin: 0 0 12px; padding-left: 26px; font-size: 13px; font-weight: 600; color: var(--accent); }
.mb-kicker::before { content: ""; position: absolute; left: 0; top: 50%; width: 16px; height: 2px; background: var(--accent); }
.mb-lead { font-size: 18px; margin: 18px 0 0; }
.mb-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.mb-btn { display: inline-flex; align-items: center; padding: 13px 24px; border-radius: 999px; background: var(--accent); border: 1px solid var(--accent); color: #fff; font-size: 14.5px; font-weight: 600; text-decoration: none; transition: background .2s, transform .2s; }
.mb-btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.mb-btn-glass { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .4); backdrop-filter: blur(6px); }
.mb-btn-glass:hover { background: #fff; color: var(--ink); }

/* En-tête sombre */
.mb-header { background: var(--dark); position: sticky; top: 0; z-index: 10; box-shadow: 0 1px 0 rgba(255, 255, 255, .06); }
.mb-header-inner { display: flex; align-items: center; gap: 28px; min-height: 70px; }
.mb-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 20px; color: #fff; white-space: nowrap; }
.mb-brand::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(215, 38, 61, .25); }
.mb-brand img { max-height: 40px; width: auto; }
.mb-nav { margin-left: auto; }
.mb-nav ul { list-style: none; margin: 0; padding: 0; }
.mb-nav > ul { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
.mb-nav a { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 999px; font-size: 13.5px; font-weight: 500; text-decoration: none; color: rgba(255, 255, 255, .78); transition: background .2s, color .2s; }
.mb-nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.mb-nav a.is-active { color: #fff; background: var(--accent); }
.mb-has-sub { position: relative; }
.mb-sub { position: absolute; right: 0; top: calc(100% + 6px); min-width: 210px; padding: 8px !important; background: #fff; border-radius: 14px; box-shadow: 0 20px 44px rgba(0, 0, 0, .25); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .15s ease; }
.mb-has-sub:hover .mb-sub, .mb-has-sub:focus-within .mb-sub { opacity: 1; visibility: visible; transform: none; }
.mb-sub a { display: block; padding: 9px 14px; border-radius: 8px; color: var(--ink); }
.mb-sub a:hover, .mb-sub a[aria-current] { background: var(--accent-soft); color: var(--accent); }
.mb-nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.mb-burger { display: none; margin-left: auto; width: 40px; height: 40px; cursor: pointer; position: relative; }
.mb-burger span, .mb-burger span::before, .mb-burger span::after { position: absolute; left: 9px; width: 22px; height: 2px; background: #fff; content: ""; }
.mb-burger span { top: 19px; }
.mb-burger span::before { left: 0; top: -7px; }
.mb-burger span::after { left: 0; top: 7px; }

/* Hero : photo pleine largeur assombrie, texte centré */
.section-hero { position: relative; display: grid; align-items: center; min-height: clamp(460px, 68vh, 640px); padding: 72px 0; background: var(--dark); overflow: hidden; isolation: isolate; }
.mb-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.section-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(21, 23, 28, .55) 0%, rgba(21, 23, 28, .45) 45%, rgba(21, 23, 28, .9) 100%); }
.mb-hero-plain { background: radial-gradient(ellipse at 20% 10%, #3a1f26, transparent 55%), radial-gradient(ellipse at 85% 80%, #2a2f3a, transparent 60%), var(--dark); }
.mb-hero-content { width: 100%; max-width: 860px; text-align: center; }
.mb-hero-content .mb-kicker { display: inline-block; padding: 0; color: #fff; }
.mb-hero-content .mb-kicker::before { display: none; }
.section-hero h1 { color: #fff; font-size: clamp(36px, 5.4vw, 64px); font-weight: 700; letter-spacing: -.03em; }
.mb-hero-content .mb-lead { max-width: 640px; margin-inline: auto; color: rgba(255, 255, 255, .85); }
.mb-hero-content .mb-actions { justify-content: center; }

/* Deux editorial-split sur bandeau sombre */
.mb-dark { background: var(--dark); color: rgba(255, 255, 255, .72); padding: clamp(32px, 5vw, 56px) 0; }
.editorial-split { padding: clamp(32px, 5vw, 56px) 0; }
.mb-ed-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.mb-ed-media { order: 2; margin: 0; }
.editorial-split--reverse .mb-ed-media { order: 0; }
.mb-ed-media img, .mb-ed-plain span { display: block; width: 100%; aspect-ratio: 16 / 11; object-fit: cover; border-radius: 16px; }
.mb-ed-plain span { display: flex; align-items: flex-end; padding: 28px; background: linear-gradient(135deg, var(--dark-2), #3a1f26); color: #fff; font-size: 28px; font-weight: 700; }
.mb-ed-text h2 { color: #fff; font-size: clamp(26px, 3.2vw, 36px); }
.mb-ed-lead { margin: 16px 0 0; }
.mb-ed-points { list-style: none; margin: 22px 0 0; padding: 0; }
.mb-ed-points li { position: relative; padding: 11px 0 11px 28px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 14.5px; color: rgba(255, 255, 255, .88); }
.mb-ed-points li:last-child { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.mb-ed-points li::before { content: ""; position: absolute; left: 0; top: 50%; width: 14px; height: 2px; background: var(--accent); }
.mb-ed-link { margin-top: 28px; }

/* Rubriques en tuiles */
.section-categories { padding: clamp(56px, 8vw, 96px) 0 clamp(24px, 4vw, 40px); }
.mb-section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 8px 32px; margin-bottom: 32px; }
.mb-section-head h2 { font-size: clamp(28px, 3.2vw, 36px); font-weight: 700; }
.mb-section-head > p { margin: 0; max-width: 420px; color: var(--muted); }
.mb-tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.mb-tiles a { position: relative; display: flex; flex-direction: column; gap: 2px; padding: 20px 56px 20px 20px; border: 1px solid var(--rule); border-radius: 14px; text-decoration: none; transition: border-color .2s, box-shadow .2s; }
.mb-tiles a:hover { border-color: var(--accent); box-shadow: 0 14px 30px -16px rgba(215, 38, 61, .5); }
.mb-tile-name { font-weight: 600; color: var(--ink); }
.mb-tile-count { font-size: 13px; color: var(--muted); }
.mb-tile-arrow { position: absolute; right: 18px; top: 50%; width: 30px; height: 30px; margin-top: -15px; display: grid; place-items: center; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 14px; transition: background .2s, color .2s; }
.mb-tiles a:hover .mb-tile-arrow { background: var(--accent); color: #fff; }

/* Derniers articles : le premier mis en avant, sans image */
.section-articles { padding: clamp(40px, 6vw, 64px) 0 clamp(64px, 9vw, 112px); }
.mb-feature .mb-item { padding: clamp(28px, 4vw, 44px); margin-bottom: 20px; border: 0; border-radius: 18px; background: var(--soft); border-left: 6px solid var(--accent); }
.mb-feature .mb-item-title { font-size: clamp(24px, 3vw, 32px); }
.mb-feature .mb-item-excerpt { font-size: 16.5px; max-width: 760px; }
.mb-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.mb-item { display: flex; flex-direction: column; padding: 22px; border: 1px solid var(--rule); border-radius: 14px; background: #fff; transition: box-shadow .2s, transform .2s; }
.mb-item:hover { box-shadow: 0 18px 36px -20px rgba(21, 23, 28, .35); transform: translateY(-2px); }
.mb-item-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin: 0 0 8px; font-size: 13px; color: var(--muted); }
.mb-label { position: relative; padding-left: 20px; color: var(--accent); font-size: 12.5px; font-weight: 600; text-decoration: none; }
.mb-label::before { content: ""; position: absolute; left: 0; top: 50%; width: 12px; height: 2px; background: var(--accent); }
.mb-item-title { font-size: 18px; font-weight: 600; line-height: 1.4; }
.mb-item-title a { text-decoration: none; }
.mb-item-title a:hover { color: var(--accent); }
.mb-item-excerpt { margin: 8px 0 0; color: var(--muted); font-size: 14.5px; }
.mb-empty { padding: 36px; background: var(--soft); border-radius: 14px; color: var(--muted); text-align: center; }
.mb-count { color: var(--muted); font-size: 14px; margin: 0 0 16px; }

/* Pages rubrique et article */
.breadcrumb { padding: 24px 0 0; font-size: 13.5px; color: var(--muted); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.mb-page-head { padding: 28px 0 32px; border-bottom: 1px solid var(--rule); margin-bottom: 24px; }
.mb-page-head h1 { font-size: clamp(32px, 4.6vw, 50px); font-weight: 700; }
.mb-sublinks ul { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 22px 0 0; }
.mb-sublinks a { display: inline-block; padding: 7px 16px; border: 1px solid var(--rule); border-radius: 999px; font-size: 14px; text-decoration: none; }
.mb-sublinks a:hover { border-color: var(--accent); color: var(--accent); }
.mb-article-head { padding: 28px 0 24px; border-bottom: 1px solid var(--rule); }
.mb-article-head h1 { font-size: clamp(30px, 4.2vw, 44px); font-weight: 700; margin-top: 10px; }
.mb-article-meta { display: flex; gap: 18px; color: var(--muted); font-size: 14px; margin: 16px 0 0; }
.mb-content { padding: 28px 0 40px; font-size: 17px; line-height: 1.8; }
.mb-content h2 { font-size: 26px; margin: 40px 0 14px; }
.mb-content h3 { font-size: 21px; margin: 32px 0 12px; }
.mb-content a { color: var(--accent); }
.mb-content img { border-radius: 12px; }
.mb-content blockquote { margin: 24px 0; padding: 14px 20px; border-left: 4px solid var(--accent); background: var(--soft); border-radius: 0 12px 12px 0; color: var(--ink); }
.mb-related { padding: 32px 0 72px; border-top: 1px solid var(--rule); }
.mb-related h2 { font-size: 22px; margin-bottom: 20px; }
.mb-related .mb-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 1024px) {
  .mb-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .mb-burger { display: block; }
  .mb-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--dark); padding: 8px var(--gutter) 20px; max-height: calc(100vh - 70px); overflow-y: auto; }
  .mb-nav-toggle:checked ~ .mb-nav { display: block; }
  .mb-nav > ul { flex-direction: column; gap: 2px; }
  .mb-nav a { width: 100%; padding: 11px 12px; }
  .mb-sub { position: static; opacity: 1; visibility: visible; transform: none; background: transparent; box-shadow: none; padding: 0 0 0 14px !important; min-width: 0; }
  .mb-sub a { color: rgba(255, 255, 255, .78); }
  .mb-ed-grid { grid-template-columns: 1fr; }
  .mb-ed-media, .editorial-split--reverse .mb-ed-media { order: 0; }
}
@media (max-width: 640px) {
  .mb-list, .mb-related .mb-list { grid-template-columns: 1fr; }
  .section-hero { min-height: 480px; }
}

/* Écran large : le nom du site sur sa rangée, les rubriques dessous sur toute la largeur */
@media (min-width: 961px) {
  .mb-header-inner { flex-wrap: wrap; gap: 0; min-height: 0; padding-top: 16px; }
  .mb-nav { flex-basis: 100%; margin: 12px 0 0; border-top: 1px solid rgba(255, 255, 255, .08); }
  .mb-nav > ul { justify-content: flex-start; padding: 8px 0 10px; }
}

/* --- Images à la une (surcharge projet 15-aout.com, 2026-11-05) --- */
.mb-item-media { display: block; margin: -22px -22px 18px; border-radius: 14px 14px 0 0; overflow: hidden; background: var(--soft); aspect-ratio: 16 / 9; }
.mb-item-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.mb-item:hover .mb-item-media img { transform: scale(1.03); }
.mb-feature .mb-item-media { margin: calc(-1 * clamp(28px, 4vw, 44px)) calc(-1 * clamp(28px, 4vw, 44px)) 22px; border-radius: 0 18px 0 0; aspect-ratio: 21 / 9; }
.mb-article-hero { margin: 24px 0 0; border-radius: 16px; overflow: hidden; background: var(--soft); aspect-ratio: 16 / 9; max-width: 100%; }
.mb-article-hero img { display: block; width: 100%; height: 100%; object-fit: cover; }