.hero-header {
        position: relative;
        z-index: 3;
        display: flex;
        flex-direction: column;
        gap: 16px;
        align-items: center;
        justify-content: center;
        padding: 48px 20px;
        min-height: 48vh;
        color: #FFF6EA;
        border-radius: 20px;
        background: linear-gradient(135deg, rgba(255,142,60,0.12), rgba(24,160,165,0.06));
        box-shadow: 0 20px 60px rgba(10,20,40,0.34), inset 0 1px 0 rgba(255,255,255,0.04);
        backdrop-filter: blur(6px) saturate(120%);
        transition: transform .28s cubic-bezier(.2,.9,.2,1), box-shadow .28s;
        overflow: hidden;
      }

      /* Glow / orbs pour l'ambiance premium */
      .hero-header::before {
        content: "";
        position: absolute;
        inset: -10%;
        background: radial-gradient(circle at 18% 22%, rgba(255,160,80,0.18), transparent 16%),
                    radial-gradient(circle at 80% 18%, rgba(255,200,120,0.12), transparent 20%);
        filter: blur(40px);
        opacity: 0.9;
        z-index: -1;
        }

    .rm-sec {
        position: relative;
        z-index: 3;
        display: flex;
        flex-direction: column;
        gap: 16px;
        align-items: center;
        justify-content: center;
        padding: 48px 20px;
        min-height: 48vh;
        color: #FFF6EA;
        border-radius: 20px;
        background: linear-gradient(135deg, rgba(255,142,60,0.12), rgba(24,160,165,0.06));
        box-shadow: 0 20px 60px rgba(10,20,40,0.34), inset 0 1px 0 rgba(255,255,255,0.04);
        backdrop-filter: blur(6px) saturate(120%);
        transition: transform .28s cubic-bezier(.2,.9,.2,1), box-shadow .28s;
        overflow: hidden;
      }

      /* Glow / orbs pour l'ambiance premium */
      .rm-sec::before {
        content: "";
        position: absolute;
        inset: -10%;
        background: radial-gradient(circle at 18% 22%, rgba(255,160,80,0.18), transparent 16%),
                    radial-gradient(circle at 80% 18%, rgba(255,200,120,0.12), transparent 20%);
        filter: blur(40px);
        opacity: 0.9;
        z-index: -1;
        }

   .rm-sec-dynamique {
          position: relative;
          z-index: 3;
          display: flex;
          flex-direction: column;
          gap: 16px;
          align-items: center;
          justify-content: center;
          padding: 48px 20px;
          min-height: 48vh;
          color: #FFF6EA;
          border-radius: 20px;
          overflow: hidden;
          /* Base sombre pour contraste + couche animée par-dessus */
          background: linear-gradient(135deg, rgba(12,18,30,0.88), rgba(18,34,56,0.82));
          box-shadow: 0 20px 60px rgba(10,20,40,0.34), inset 0 1px 0 rgba(255,255,255,0.04);
          backdrop-filter: blur(6px) saturate(120%);
          transition: transform .28s cubic-bezier(.2,.9,.2,1), box-shadow .28s;
          transform: translateZ(0);
        }

        /* Ambiance dynamique: orbes colorées, mélange en mode screen pour effet lumineux */
        .rm-sec-dynamique::before {
          content: "";
          position: absolute;
          inset: -35%;
          background:
            radial-gradient(28% 28% at 12% 18%, rgba(255,102,51,0.26), transparent 18%),
            radial-gradient(24% 24% at 82% 22%, rgba(255,197,60,0.20), transparent 16%),
            radial-gradient(36% 36% at 50% 78%, rgba(6,182,212,0.15), transparent 20%);
          filter: blur(56px) saturate(125%);
          opacity: 0.95;
          z-index: -2;
          mix-blend-mode: screen;
          transform-origin: center;
          animation: rm-dyn-orbs 14s linear infinite;
        }

        /* Subtil voile / grain pour texture immersive */
        .rm-sec-dynamique::after {
          content: "";
          position: absolute;
          inset: 0;
          background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.03));
          pointer-events: none;
          z-index: -1;
          mix-blend-mode: overlay;
        }

        /* Animation lente et organique pour la sensation de mouvement/action */
        @keyframes rm-dyn-orbs {
          0%   { transform: translate(-8%, -8%) rotate(0deg) scale(1); }
          25%  { transform: translate(6%, -6%) rotate(90deg) scale(1.02); }
          50%  { transform: translate(8%, 8%) rotate(180deg) scale(1); }
          75%  { transform: translate(-6%, 6%) rotate(270deg) scale(0.98); }
          100% { transform: translate(-8%, -8%) rotate(360deg) scale(1); }
        }

        /* Respect des préférences d'accessibilité */
        @media (prefers-reduced-motion: reduce) {
          .rm-sec-dynamique::before { animation: none; filter: blur(40px); }
          .rm-sec-dynamique { transition: none; }
        }

    .hero-section {
      position: relative;
      width: 100%;
      min-height: 75vh;
      padding-left: 90px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;

      background:
        linear-gradient(135deg,
          rgba(15,42,68,0.92),
          rgba(31,58,95,0.88)
        ),
        url("{% static 'images/joie.png' %}") center/cover no-repeat;

      box-shadow: inset 0 0 180px rgba(0,0,0,0.65);
    }

    .hero-section::after {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(15,42,68,.15);
    }
    .hero-container {
      position: relative;
      z-index: 2;
      max-width: 75rem;
      padding: 5rem 2rem;
      text-align: center;
    }

    .hero-subtitle {
      line-height: 1.7;
      max-width: 720px;
      margin: 0 auto;
    }

    /* ================= PRODUIT ================= */

    .hero-product {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 3rem;
      align-items: center;
    }

  .product-visual img,
  .product-visual video {
    width: 100%;
    max-width: 100%;
    height: auto;
    max-height: min(65vh, 720px);
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-lg);
    box-shadow: 0 22px 56px rgba(0,0,0,.45);
    background-color: #071022;
    object-fit: contain;
    object-position: center;
    -webkit-filter: contrast(1.12) saturate(1.06) brightness(1.06);
    filter: contrast(1.12) saturate(1.06) brightness(1.06);
    will-change: filter, transform;
    backface-visibility: hidden;
    display: block;
  }

  .product-points ul {
    list-style: none;
    padding: 0;
    margin-top: 1.25rem;
  }

    .product-points li {
      font-size: 1.0625rem;
      line-height: 1.7;
      margin-bottom: .75rem;
    }

  .rm-section-bar {
      background: linear-gradient(180deg, rgba(15,25,40,0.72), rgba(8,16,30,0.82));
      border-radius: 1.25rem;
      box-shadow: 0 12px 30px rgba(2,6,23,0.62), inset 0 1px 0 rgba(255,255,255,0.03);
      margin: 4rem auto;
      padding: 3rem 2rem;
      max-width: 72rem;
      text-align: center;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(212,175,55,0.10);
      backdrop-filter: blur(6px) saturate(120%);
      transition: transform .36s cubic-bezier(.2,.9,.2,1), box-shadow .36s, filter .36s;
      transform: translateZ(0);
      animation: rm-card-enter .6s ease both;
    }

    /* subtle gold/gradient top accent for premium feel */
    .rm-section-bar::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 6px;
      background: linear-gradient(90deg, #D4AF37 0%, #FFD77A 60%, rgba(212,175,55,0.25) 100%);
      transform-origin: left center;
      opacity: 0.95;
    }

    /* hover lift for gamified interactivity */
    .rm-section-bar:hover {
      transform: translateY(-8px);
      box-shadow: 0 28px 60px rgba(2,6,23,0.72), 0 6px 18px rgba(0,0,0,0.35);
      filter: saturate(1.06) brightness(1.02);
    }

    /* entrance animation */
    @keyframes rm-card-enter {
      from { opacity: 0; transform: translateY(12px) scale(.996); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }

    .rm-container-bar {
      max-width: 72rem;
      margin: 0 auto;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 1rem;
      align-items: center;
      justify-content: center;
      padding: 0 1rem;
    }

  .bar-content {
    display: inline-flex;
    flex-direction: column;
    gap: .5rem;
    padding: 1.5rem 2.25rem;
    background: var(--rm-blue-night);
    border-radius: 1.25rem;
  }

  .bar-title {
      font-size: 1.75rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      background: linear-gradient(90deg, #FF7A2D 0%, #FFD36B 55%, #FFF6E0 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      -webkit-text-fill-color: transparent;
      -webkit-text-stroke: 0.5px rgba(0,0,0,0.06);
      position: relative;
      display: inline-block;
    }

    /* Accent lumineux gamifié sous le titre */
    .bar-title::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -8px;
      height: 10px;
      background: linear-gradient(90deg, rgba(255,122,45,0.28), rgba(255,211,107,0.16));
      filter: blur(10px);
      border-radius: 8px;
      z-index: -1;
      transform: translateY(6px);
    }

  .bar-subtitle {
    margin-top: .5rem;
    font-size:  1.05rem;
    font-weight: 500;
    color: var(--rm-text-muted);
  }

  .hero-section h1,
  .hero-section h2,
  .hero-section h3,
  .hero-section p {
    color: #ffffff;
  }

  @media (max-width: 768px) {
    .bar-title {
      font-size: 1.6rem;
    }
    .bar-subtitle {
      font-size: 1rem;
    }
  }

  @media (max-width: 480px) {
    .rm-section-bar {
      padding: 30px 15px;
    }
    .bar-content {
      padding: 15px 20px;
    }
  }
    /* ================= DIFF ================= */

    .hero-diff {
      display: grid;
      grid-template-columns: repeat(3,1fr);
      gap: 28px;
    }

    .diff-card {
      background: rgba(15,42,68,0.75);
      padding: 26px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-soft);
    }

    /* ================= MÉTHODE ================= */

    .hero-method {
      display: flex;
      justify-content: center;
      gap: 22px;
      flex-wrap: wrap;
    }

    .method-step {
      background: linear-gradient(135deg,var(--rm-blue-night),var(--rm-blue-struct));
      padding: 18px 22px;
      border-radius: 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      border: 2px solid rgba(212,175,55,0.35);
    }

    .method-step span {
      background: var(--rm-gold);
      color: #0F172A;
      font-weight: 800;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: grid;
      place-items: center;
    }

    /* ================= CTA ================= */

    .hero-cta {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 14px;
    }

    .section-divider {
      height: 80px;
      width: 100%;
      background: linear-gradient(
        to bottom,
        rgba(15,42,68,0),
        rgba(15,42,68,0.65),
        rgba(15,42,68,0)
      );
    }

      /* JOURNEY */
      .hero-journey {
        display:flex;
        justify-content:center;
        gap:22px;
      }
      .journey-card {
        width:200px;
        height:160px;
        border-radius:18px;
        overflow:hidden;
        position:relative;
        box-shadow:0 22px 48px rgba(15,42,68,.35);
      }
      .journey-card img {
        width:100%;
        height:100%;
        object-fit:cover;
      }
      .journey-card span {
        position:absolute;
        bottom:10px;
        left:50%;
        transform:translateX(-50%);
        background:rgba(15,42,68,.85);
        color:#fff;
        padding:6px 14px;
        border-radius:16px;
        font-size:.75rem;
      }
  /* ================= MOBILE ================= */
  @media (max-width: 992px) {
    /* HERO */
    .hero-section {
      padding-left: 16px;
      padding-right: 16px;
      min-height: 60vh; /* réduit la hauteur pour les écrans plus petits */
      background-position: center top;
    }

    .hero-container {
      padding: 40px 16px; /* réduit le padding général */
      gap: 40px;
    }

    /* HERO PRODUCT */
    .hero-product {
      grid-template-columns: 1fr; /* une seule colonne */
      gap: 32px;
      text-align: center;
    }

    .product-visual img,
    .product-visual video {
      border-radius: 16px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    }

    /* HERO DIFF */
    .hero-diff {
      grid-template-columns: 1fr; /* 1 colonne au lieu de 3 */
      gap: 20px;
    }

    .diff-card {
      padding: 20px;
    }

    /* HERO METHOD */
    .hero-method {
      flex-direction: column;
      gap: 16px;
      align-items: stretch;
    }

    .method-step {
      justify-content: flex-start;
      padding: 14px 16px;
    }

    .method-step span {
      width: 28px;
      height: 28px;
      font-size: 0.85rem;
    }

    /* HERO CTA */
    .hero-cta {
      gap: 12px;
    }

    /* JOURNEY */
    .hero-journey {
      flex-direction: column;
      gap: 16px;
      align-items: center;
    }

    .journey-card {
      width: 90%;
      max-width: 280px;
      height: 180px;
    }

    .journey-card span {
      font-size: 0.7rem;
      padding: 4px 12px;
    }

    /* SECTION DIVIDER */
    .section-divider {
      height: 60px;
    }
  }

  /* ================= PETIT MOBILE ================= */
  @media (max-width: 576px) {
    .hero-section {
      min-height: 50vh;
      padding: 16px 8px;
    }

    .hero-container {
      padding: 24px 8px;
      gap: 32px;
    }

    .method-step {
      flex-direction: row;
      gap: 8px;
      padding: 12px 14px;
    }

    .journey-card {
      width: 95%;
      height: 160px;
    }
  }