/* ══════════════════════════════════════════════════════════════
   BURNING BLUE — Styles éditoriaux (page « Le projet »)
   Extrait de l'ancien index.html lors de la consolidation.
   ══════════════════════════════════════════════════════════════ */
    /* ── Hero bandeau 2 colonnes ── */

    .concept-hero {
      background: var(--bg, #07080f);
      padding: calc(var(--nav-h) + 80px) 48px 80px;
      border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
    }
    .hero-bg-video { display: none; }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      max-width: 1500px;
      margin: 0 auto;
    }
    /* Colonne gauche — vidéo */
    .hero-yt-col {
      background: #000;
      display: flex;
      align-items: center;
      justify-content: center;
      aspect-ratio: 16 / 9;
      border-radius: 4px;
      overflow: hidden;
    }
    .hero-yt-inner {
      width: 100%;
      aspect-ratio: 16 / 9;
      position: relative;
      flex-shrink: 0;
    }
    .hero-yt-inner iframe {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      border: none;
      display: block;
    }
    /* Colonne droite — même taille que la vidéo (16:9) */
    .hero-text-content {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      text-align: left;
      padding: 0;
      background: transparent;
      color: #fff;
    }
    .hero-text-content .concept-badge {
      display: block;
      font-family: 'Outfit', sans-serif;
      font-size: 0.66rem;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--gold-light, #aac2ff);
      margin-bottom: 18px;
    }
    .hero-text-content .concept-title {
      font-family: 'Cormorant Garamond', Georgia, serif;
      font-size: clamp(2.6rem, 4.5vw, 4.2rem);
      font-weight: 400;
      color: #fff;
      letter-spacing: 0.02em;
      line-height: 1.05;
      margin-top: 0;
      margin-bottom: 22px;
      text-align: left;
      width: 100%;
    }
    .hero-text-content .concept-intro {
      font-family: 'Cormorant Garamond', Georgia, serif;
      font-size: clamp(1.02rem, 1.4vw, 1.2rem);
      color: rgba(255,255,255,0.78);
      line-height: 1.7;
      text-align: left;
      width: 100%;
      margin-bottom: 16px;
    }
    .hero-text-content .concept-note {
      font-family: 'Cormorant Garamond', Georgia, serif;
      font-size: 0.92rem;
      color: rgba(255,255,255,0.5);
      text-align: left;
      border: none;
      border-left: 2px solid var(--gold-light, #aac2ff);
      padding: 2px 0 2px 16px;
      margin: 6px 0 24px;
      line-height: 1.6;
      width: 100%;
      font-style: italic;
    }
    .hero-cta-btn {
      display: inline-block;
      width: auto;
      padding: 15px 34px;
      background: transparent;
      color: #fff;
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      text-align: center;
      text-decoration: none;
      border: 1px solid rgba(255,255,255,0.5);
      border-radius: 2px;
      transition: background 0.2s, color 0.2s, border-color 0.2s;
    }
    .hero-cta-btn:hover { background: #fff; color: #07080f; border-color: #fff; }
    @media (max-width: 860px) {
      .concept-hero { padding: calc(var(--nav-h) + 24px) 24px 40px; }
      .hero-grid { grid-template-columns: 1fr; gap: 16px; }
      .hero-yt-col { aspect-ratio: 16 / 9; min-height: unset; width: 100%; }
      .hero-text-content { height: auto !important; overflow: visible !important; padding: 20px 0 0; }
    }
    .concept-badge {
      font-size: 0.75rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--blue-light);
      margin-bottom: 24px;
    }
    .concept-title {
      font-size: clamp(2.5rem, 6vw, 4.5rem);
      font-weight: 800;
      line-height: 1.1;
      max-width: 900px;
      margin-bottom: 32px;
    }
    .concept-intro {
      font-size: clamp(1rem, 2vw, 1.2rem);
      color: var(--muted);
      max-width: 760px;
      line-height: 1.9;
      margin-bottom: 32px;
    }
    .concept-note {
      font-size: 0.85rem;
      color: var(--muted);
      line-height: 1.85;
      border-left: 2px solid rgba(59,111,232,0.4);
      padding-left: 20px;
      text-align: left;
      margin: 0 0 8px;
    }
    /* ── GIF full-width banner ── */
    .concept-gif {
      width: 100%;
      max-width: 700px;
      margin: 0 auto;
      display: block;
      border-radius: var(--radius-lg);
    }
    /* ── Editorial sections ── */
    .editorial-section {
      padding: 80px 0;
      border-top: 1px solid var(--border);
    }
    .editorial-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: start;
    }
    .editorial-grid.reverse { direction: rtl; }
    .editorial-grid.reverse > * { direction: ltr; }
    @media(max-width:800px) {
      .editorial-grid { grid-template-columns: 1fr; gap: 32px; }
      .editorial-grid.reverse { direction: ltr; }
    }
    .editorial-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--bg2);
    }
    .editorial-img img { width:100%; height:auto; display:block; }
    .editorial-img.square { aspect-ratio: 1; }
    .editorial-img.square img { height:100%; object-fit:cover; }
    .editorial-tag {
      font-size: 0.7rem;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--blue-light);
      margin-bottom: 12px;
    }
    .editorial-title {
      font-size: clamp(1.4rem, 3vw, 2rem);
      font-weight: 800;
      margin-bottom: 20px;
      line-height: 1.25;
    }
    .editorial-body {
      color: var(--muted);
      line-height: 1.9;
      font-size: 0.95rem;
    }
    .editorial-body strong { color: var(--white); font-weight: 600; }
    /* ── 7 stars callout ── */
    .stars-callout {
      margin-top: 24px;
      padding: 20px 24px;
      background: var(--bg2);
      border: 1px solid rgba(59,111,232,0.25);
      border-radius: var(--radius);
      font-size: 0.9rem;
      color: var(--muted);
      line-height: 1.7;
    }
    /* ── Astro data section ── */
    .astro-data-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill,minmax(280px,1fr));
      gap: 24px;
      margin: 48px 0;
    }
    .astro-card {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 24px;
    }
    .astro-card h4 {
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--white);
      letter-spacing: 0.05em;
    }
    .astro-card p {
      color: var(--muted);
      font-size: 0.84rem;
      line-height: 1.75;
    }
    /* ── Certification logos ── */
    .cert-logos {
      display: flex;
      align-items: start;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
      margin: 40px 0;
    }
    .cert-logo {
      padding: 8px 18px;
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 8px;
      font-size: 0.75rem;
      letter-spacing: 0.12em;
      font-weight: 700;
      color: var(--muted);
    }
    /* ── Scientific proof paragraph ── */
    .science-proof {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 40px;
      margin: 48px 0;
      font-size: 0.88rem;
      color: var(--muted);
      line-height: 1.9;
    }
    .science-proof strong { color: var(--white); }
    /* ── Collections tabs ── */
    .collections-tabs {
      display: flex;
      gap: 8px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .col-tab {
      padding: 10px 28px;
      border: 1px solid var(--border);
      border-radius: 40px;
      background: none;
      color: var(--muted);
      cursor: pointer;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      transition: all 0.2s;
    }
    .col-tab.active, .col-tab:hover {
      background: var(--blue);
      border-color: var(--blue);
      color: #fff;
    }
    .col-panel { display: none; }
    .col-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
    @media(max-width:700px) { .col-panel.active { grid-template-columns: 1fr; } }
    .col-panel-img { border-radius: var(--radius-lg); overflow: hidden; }
    .col-panel-img img { width:100%; display:block; }
    .col-name { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--blue-light); margin-bottom: 8px; }
    .col-title { font-size: clamp(1.5rem,3vw,2rem); font-weight: 800; margin-bottom: 16px; }
    .col-desc { color: var(--muted); line-height: 1.8; margin-bottom: 20px; font-size: 0.95rem; }
    .col-specs { list-style: none; padding: 0; margin: 0 0 28px; }
    .col-specs li { padding: 6px 0; font-size: 0.85rem; color: var(--muted); border-bottom: 1px solid var(--border); }
    .col-specs li:last-child { border: none; }
    .col-price { font-size: 1.4rem; font-weight: 800; margin-bottom: 24px; }
    /* ── Quotes ── */
    .quotes-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }
    .quote-card {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
    }
    .quote-text {
      font-size: 0.88rem;
      line-height: 1.85;
      color: var(--muted);
      font-style: italic;
      margin-bottom: 16px;
    }
    .quote-author {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--white);
    }
    .quote-source {
      font-size: 0.72rem;
      color: var(--muted);
      margin-top: 2px;
    }
    /* ── Testimonials ── */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 20px;
    }
    .tc-card {
      background: var(--bg2);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .tc-card .tc-img { aspect-ratio: 1; overflow: hidden; background: var(--bg3); }
    .tc-card .tc-img img { width:100%; height:100%; object-fit:cover; transition: transform 0.4s; }
    .tc-card:hover .tc-img img { transform: scale(1.05); }
    .tc-card .tc-body { padding: 16px; }
    .tc-card .tc-quote { font-size: 0.83rem; color: var(--muted); line-height: 1.7; margin-bottom: 10px; font-style: italic; }
    .tc-card .tc-event { font-size: 0.78rem; font-weight: 700; color: var(--white); }
    .tc-card .tc-name { font-size: 0.72rem; color: var(--muted); }
    /* ── Caption ── */
    .img-caption {
      font-size: 0.72rem;
      color: var(--muted);
      text-align: justify;
      margin-top: 10px;
      font-style: italic;
    }