:root {
      --bg-main: #020617;
      --bg-soft: #0f172a;
      --bg-card: rgba(255,255,255,0.05);
      --bg-card-2: rgba(255,255,255,0.07);
      --line: rgba(255,255,255,0.10);

      --text-main: #f8fafc;
      --text-soft: #cbd5e1;
      --text-muted: #94a3b8;

      --accent: #a855f7;
      --accent-2: #22c55e;
      --accent-3: #38bdf8;

      --shadow: 0 18px 40px rgba(0,0,0,0.35);
      --radius-xl: 24px;
      --radius-lg: 18px;
      --radius-md: 14px;

      --container: 1180px;
    }

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

    html, body {
      width: 100%;
      max-width: 100%;
      overflow-x: hidden;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      background:
        radial-gradient(circle at top left, rgba(168,85,247,0.16), transparent 30%),
        radial-gradient(circle at top right, rgba(34,197,94,0.08), transparent 28%),
        linear-gradient(180deg, #020617 0%, #08111f 100%);
      color: var(--text-main);
      line-height: 1.6;
    }

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

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

    .section {
      padding: 76px 0;
    }

    .section-title {
      text-align: center;
      max-width: 860px;
      margin: 0 auto 42px;
    }

    .section-title h2 {
      font-size: clamp(28px, 4vw, 42px);
      margin-bottom: 12px;
      line-height: 1.15;
    }

    .section-title p {
      color: var(--text-soft);
      font-size: 16px;
    }

    /* =========================
       HERO
       ========================= */
    .hero {
      position: relative;
      overflow: hidden;
      padding: 92px 0 70px;
      border-bottom: 1px solid var(--line);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr 0.92fr;
      gap: 36px;
      align-items: center;
    }

    .hero-badge {
      display: inline-block;
      padding: 8px 14px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.05);
      color: var(--text-soft);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .hero h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.05;
      letter-spacing: -0.03em;
      margin-bottom: 18px;
    }

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

    .hero p {
      color: var(--text-soft);
      font-size: 17px;
      max-width: 700px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 700;
      transition: 0.25s ease;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #7c3aed);
      color: #14081d;
    }

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

    .btn-secondary {
      background: rgba(255,255,255,0.05);
      border-color: rgba(255,255,255,0.12);
      color: var(--text-main);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,0.08);
    }

    /* =========================
       ORBITE RESIL
       ========================= */
    .hero-visual {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 430px;
    }

    .orbit-wrap {
      position: relative;
      width: 380px;
      height: 380px;
    }

    .orbit-ring {
      position: absolute;
      top: 50%;
      left: 50%;
      border-radius: 50%;
      transform: translate(-50%, -50%);
      border: 1px dashed rgba(255,255,255,0.14);
    }

    .ring-1 {
      width: 220px;
      height: 220px;
    }

    .ring-2 {
      width: 340px;
      height: 340px;
    }

    .orbit-core {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 138px;
      height: 138px;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      background: linear-gradient(135deg, #0f172a, #1e293b);
      border: 1px solid rgba(255,255,255,0.12);
      box-shadow: var(--shadow);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 14px;
      font-weight: 700;
      font-size: 16px;
      z-index: 3;
    }

    .orbit-node {
      position: absolute;
      width: 94px;
      min-height: 94px;
      border-radius: 20px;
      padding: 12px 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      font-size: 13px;
      font-weight: 700;
      line-height: 1.3;
      border: 1px solid rgba(255,255,255,0.10);
      color: #fff;
      box-shadow: var(--shadow);
      backdrop-filter: blur(8px);
    }

    .node-a {
      top: 6px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(168,85,247,0.18);
    }

    .node-b {
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(34,197,94,0.16);
    }

    .node-c {
      bottom: 6px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(56,189,248,0.16);
    }

    .node-d {
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(245,158,11,0.16);
    }

    .node-e {
      top: 52px;
      left: 22px;
      width: 82px;
      min-height: 82px;
      background: rgba(255,255,255,0.06);
    }

    .node-f {
      top: 52px;
      right: 22px;
      width: 82px;
      min-height: 82px;
      background: rgba(255,255,255,0.06);
    }

    .node-g {
      bottom: 52px;
      left: 22px;
      width: 82px;
      min-height: 82px;
      background: rgba(255,255,255,0.06);
    }

    .node-h {
      bottom: 52px;
      right: 22px;
      width: 82px;
      min-height: 82px;
      background: rgba(255,255,255,0.06);
    }

    /* =========================
       BLOCS
       ========================= */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
    }

    .card {
      background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      padding: 26px;
      box-shadow: var(--shadow);
      height: 100%;
    }

    .tag {
      display: inline-block;
      margin-bottom: 14px;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.02em;
    }

    .tag-purple {
      background: rgba(168,85,247,0.14);
      color: #d8b4fe;
    }

    .tag-green {
      background: rgba(34,197,94,0.14);
      color: #86efac;
    }

    .tag-blue {
      background: rgba(56,189,248,0.14);
      color: #7dd3fc;
    }

    .card h3 {
      font-size: 22px;
      margin-bottom: 12px;
    }

    .card p {
      color: var(--text-soft);
      font-size: 15px;
      margin-bottom: 18px;
    }

    .mini-list {
      display: grid;
      gap: 12px;
    }

    .mini-item {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-md);
      padding: 14px;
    }

    .mini-item strong {
      display: block;
      margin-bottom: 6px;
      font-size: 14px;
      color: #ffffff;
    }

    .mini-item span {
      display: block;
      color: var(--text-soft);
      font-size: 14px;
    }

    /* =========================
       PANEL
       ========================= */
    .panel {
      background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      padding: 30px;
      box-shadow: var(--shadow);
    }

    .panel-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: start;
    }

    .panel h3 {
      font-size: 28px;
      margin-bottom: 12px;
    }

    .panel p {
      color: var(--text-soft);
      font-size: 15px;
      margin-bottom: 14px;
    }

    .metric-box {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .metric {
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius-lg);
      padding: 18px;
    }

    .metric strong {
      display: block;
      font-size: 28px;
      margin-bottom: 6px;
      color: #ffffff;
    }

    .metric span {
      color: var(--text-soft);
      font-size: 14px;
    }

    /* =========================
       CTA
       ========================= */
    .cta {
      text-align: center;
    }

    .cta-box {
      background: linear-gradient(135deg, rgba(168,85,247,0.12), rgba(56,189,248,0.06));
      border: 1px solid rgba(255,255,255,0.10);
      border-radius: 28px;
      padding: 34px 24px;
      box-shadow: var(--shadow);
    }

    .cta-box h3 {
      font-size: clamp(26px, 4vw, 38px);
      margin-bottom: 12px;
    }

    .cta-box p {
      color: var(--text-soft);
      max-width: 760px;
      margin: 0 auto 24px;
      font-size: 16px;
    }

    /* =========================
       FOOTER
       ========================= */
    .footer {
      margin-top: 50px;
      background: #010814;
      border-top: 1px solid rgba(255,255,255,0.08);
      padding: 54px 0 22px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.9fr 0.9fr;
      gap: 26px;
    }

    .footer-brand h2 {
      font-size: 22px;
      margin-bottom: 12px;
    }

    .footer-brand p {
      color: var(--text-soft);
      max-width: 460px;
      font-size: 15px;
    }

    .footer-col h3 {
      font-size: 15px;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--text-soft);
      font-size: 14px;
      transition: 0.2s ease;
    }

    .footer-links a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,0.08);
      text-align: center;
      color: var(--text-muted);
      font-size: 13px;
    }

    /* =========================
       TABLETTE
       ========================= */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }

      .hero-left {
        text-align: center;
      }

      .hero p {
        margin-left: auto;
        margin-right: auto;
      }

      .hero-actions {
        justify-content: center;
      }

      .grid-3 {
        grid-template-columns: 1fr;
      }

      .panel-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    /* =========================
       MOBILE
       ========================= */
    @media (max-width: 768px) {
      .section {
        padding: 56px 0;
      }

      .hero {
        padding: 74px 0 50px;
      }

      .hero-visual {
        min-height: auto;
      }

      .orbit-wrap {
        width: 285px;
        height: 285px;
      }

      .ring-1 {
        width: 180px;
        height: 180px;
      }

      .ring-2 {
        width: 260px;
        height: 260px;
      }

      .orbit-core {
        width: 112px;
        height: 112px;
        font-size: 13px;
      }

      .orbit-node {
        width: 72px;
        min-height: 72px;
        border-radius: 16px;
        font-size: 11px;
        padding: 8px;
      }

      .node-e,
      .node-f,
      .node-g,
      .node-h {
        display: none;
      }

      .metric-box {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 480px) {
      .container {
        padding: 0 16px;
      }

      .hero h1 {
        font-size: 32px;
      }

      .hero p,
      .section-title p,
      .card p,
      .panel p,
      .footer-brand p,
      .cta-box p {
        font-size: 14px;
      }

      .card,
      .panel,
      .cta-box {
        padding: 22px 18px;
      }

      .orbit-wrap {
        width: 250px;
        height: 250px;
      }

      .ring-1 {
        width: 160px;
        height: 160px;
      }

      .ring-2 {
        width: 228px;
        height: 228px;
      }

      .node-a,
      .node-b,
      .node-c,
      .node-d {
        width: 66px;
        min-height: 66px;
        font-size: 10px;
      }
    }
    
.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;
}