:root {
      --bg-main: #061a2b;
      --bg-soft: rgba(255,255,255,0.04);
      --bg-card: rgba(255,255,255,0.05);
      --line: rgba(255,255,255,0.08);
      --text-main: #f8fafc;
      --text-soft: #cbd5e1;
      --accent: #38bdf8;
      --accent-2: #0ea5e9;
      --shadow: 0 18px 40px rgba(0,0,0,0.30);
      --radius: 20px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html, body {
      width: 100%;
      max-width: 100%;
      overflow-x: hidden;
      font-family: Arial, Helvetica, sans-serif;
      background:
        radial-gradient(circle at top, rgba(56,189,248,0.12), transparent 35%),
        linear-gradient(180deg, #08233a 0%, #061a2b 100%);
      color: var(--text-main);
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 20px;
    }

    .section {
      padding: 88px 0;
    }

    /* HERO */
    .hero-publications {
      padding: 90px 0 70px;
      border-bottom: 1px solid var(--line);
    }

    .hero-publications-inner {
      max-width: 860px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 18px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(255,255,255,0.04);
      color: var(--text-soft);
      font-size: 14px;
      margin-bottom: 24px;
    }

    .hero-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 16px rgba(56,189,248,0.6);
    }

    .hero-publications h1 {
      font-size: clamp(36px, 6vw, 68px);
      line-height: 1.05;
      margin-bottom: 22px;
      letter-spacing: -0.03em;
    }

    .hero-publications h1 .accent {
      color: var(--accent);
    }

    .hero-publications p {
      font-size: clamp(18px, 2vw, 24px);
      line-height: 1.7;
      color: var(--text-soft);
      max-width: 780px;
      margin-bottom: 34px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 54px;
      padding: 14px 26px;
      border-radius: 999px;
      font-size: 16px;
      font-weight: 700;
      transition: 0.2s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #04131e;
      box-shadow: var(--shadow);
    }

    .btn-secondary {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.10);
      color: #ffffff;
    }

    .btn-primary:hover,
    .btn-secondary:hover {
      transform: translateY(-2px);
    }

    /* INTRO */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 26px;
      align-items: stretch;
    }

    .intro-card,
    .focus-card {
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(10px);
    }

    .intro-card h2,
    .focus-card h3,
    .section-title {
      font-size: 30px;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .intro-card p,
    .focus-card p {
      color: var(--text-soft);
      font-size: 17px;
      line-height: 1.8;
    }

    .focus-list {
      list-style: none;
      margin-top: 18px;
      display: grid;
      gap: 12px;
    }

    .focus-list li {
      padding: 12px 14px;
      border-radius: 14px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.05);
      color: var(--text-soft);
      font-size: 15px;
    }

    /* FILTRES VISUELS */
    .filters {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }

    .filter-chip {
      padding: 10px 16px;
      border-radius: 999px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      color: var(--text-soft);
      font-size: 14px;
      font-weight: 600;
    }

    .filter-chip.active {
      background: rgba(56,189,248,0.12);
      border-color: rgba(56,189,248,0.25);
      color: #ffffff;
    }

    /* GRID PUBLICATIONS */
    .section-header {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 28px;
      flex-wrap: wrap;
    }

    .section-header p {
      color: var(--text-soft);
      max-width: 680px;
      line-height: 1.7;
      font-size: 16px;
    }

    .publication-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
    }

    .publication-card {
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: 0.25s ease;
      display: flex;
      flex-direction: column;
    }

    .publication-card:hover {
      transform: translateY(-4px);
      border-color: rgba(56,189,248,0.22);
    }

    .publication-visual {
      aspect-ratio: 16 / 10;
      background:
        linear-gradient(135deg, rgba(56,189,248,0.20), rgba(14,165,233,0.08)),
        linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      border-bottom: 1px solid var(--line);
    }

    .publication-visual span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 78px;
      min-height: 78px;
      border-radius: 22px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.10);
      color: #ffffff;
      font-size: 28px;
      font-weight: 700;
    }

    .publication-content {
      padding: 22px;
      display: flex;
      flex-direction: column;
      gap: 14px;
      flex: 1;
    }

    .publication-tag {
      display: inline-flex;
      width: fit-content;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(56,189,248,0.10);
      border: 1px solid rgba(56,189,248,0.18);
      color: #dff4ff;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .publication-content h3 {
      font-size: 24px;
      line-height: 1.2;
      color: #ffffff;
    }

    .publication-content p {
      color: var(--text-soft);
      line-height: 1.7;
      font-size: 15px;
      flex: 1;
    }

    .publication-meta {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .meta-pill {
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      color: var(--text-soft);
      font-size: 12px;
      font-weight: 600;
    }

    .publication-link {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 14px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      color: #ffffff;
      font-weight: 700;
      transition: 0.2s ease;
    }

    .publication-link:hover {
      background: rgba(56,189,248,0.10);
      border-color: rgba(56,189,248,0.22);
    }

    /* BLOC DEPOT */
    .depot-box {
      margin-top: 34px;
      background: linear-gradient(135deg, rgba(56,189,248,0.10), rgba(255,255,255,0.03));
      border: 1px solid rgba(56,189,248,0.14);
      border-radius: 24px;
      padding: 30px;
      box-shadow: var(--shadow);
    }

    .depot-box h3 {
      font-size: 28px;
      margin-bottom: 14px;
    }

    .depot-box p {
      color: var(--text-soft);
      line-height: 1.8;
      font-size: 16px;
      margin-bottom: 18px;
    }

    /* FOOTER SIMPLE */
    .footer-simple {
      padding: 60px 0 34px;
      border-top: 1px solid var(--line);
      background: rgba(0,0,0,0.12);
      margin-top: 30px;
    }

    .footer-simple h2 {
      font-size: 28px;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .footer-simple p {
      color: var(--text-soft);
      line-height: 1.7;
      max-width: 780px;
      margin-bottom: 24px;
    }

    .footer-bottom {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,0.08);
      color: #94a3b8;
      font-size: 14px;
    }

    @media (max-width: 980px) {
      .intro-grid,
      .publication-grid {
        grid-template-columns: 1fr;
      }

      .hero-publications {
        padding: 72px 0 56px;
      }

      .section {
        padding: 72px 0;
      }
    }

    @media (max-width: 640px) {
      .hero-publications h1 {
        font-size: 36px;
      }

      .hero-publications p,
      .intro-card p,
      .focus-card p {
        font-size: 16px;
      }

      .intro-card,
      .focus-card,
      .publication-content,
      .depot-box {
        padding: 22px;
      }

      .btn-primary,
      .btn-secondary,
      .publication-link {
        width: 100%;
      }

      .hero-actions {
        flex-direction: column;
      }
    }
    
.logo-center {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 20px;
}

.logo-img {
  max-width: 100px;
  width: 100%;
  height: auto;
  display: block;
}