<style>
    /* -------- RESET SIMPLE -------- */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
	html, body { height: 100%; }
body { margin: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: #020617;
      color: #e5e7eb;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    img {
      max-width: 100%;
      display: block;
    }
	
	#acheter {
  margin-bottom: 4rem;
}

    /* -------- ARRIÈRE-PLAN FUTURISTE -------- */
    .bg-orbs {
      position: fixed;
      inset: 0;
      pointer-events: none;
      mix-blend-mode: screen;
      opacity: 0.65;
      z-index: 0;
    }
    .orb {
      position: absolute;
      border-radius: 999px;
      filter: blur(60px);
    }
    .orb-1 {
      width: 320px;
      height: 320px;
      top: -140px;
      left: -120px;
      background: radial-gradient(circle at 30% 30%, #4ade80, transparent 60%);
    }
    .orb-2 {
      width: 380px;
      height: 380px;
      top: 120px;
      right: -80px;
      background: radial-gradient(circle at 70% 30%, #22d3ee, transparent 60%);
    }
    .orb-3 {
      width: 280px;
      height: 280px;
      bottom: -40px;
      left: 40%;
      transform: translateX(-50%);
      background: radial-gradient(circle at 50% 80%, #a855f7, transparent 60%);
    }

    /* -------- LAYOUT GLOBAL -------- */
    .page {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }
    .container {
      width: 100%;
      max-width: 1120px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    /* -------- HEADER -------- */
    header {
      position: sticky;
      top: 0;
      z-index: 10;
      backdrop-filter: blur(14px);
      background: rgba(0, 0, 0, 0.75);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0.9rem 1.5rem;
      max-width: 1120px;
      margin: 0 auto;
    }
    .logo-block {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
    }
    .logo-text {
      font-size: 0.75rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: #67e8f9;
      font-weight: 600;
    }
    nav {
      display: none;
      gap: 1.5rem;
      font-size: 0.9rem;
      color: #d1d5db;
    }
    nav a:hover {
      color: #ffffff;
      transition: color 0.15s ease;
    }
    .btn-header {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      padding: 0.55rem 1rem;
      border-radius: 999px;
      border: 1px solid rgba(34, 211, 238, 0.7);
      background: rgba(34, 211, 238, 0.2);
      color: #e0f2fe;
      font-weight: 600;
      box-shadow: 0 0 14px rgba(34, 211, 238, 0.5);
      transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    }
    .btn-header:hover {
      background: rgba(34, 211, 238, 0.35);
      transform: translateY(-1px);
      box-shadow: 0 0 22px rgba(34, 211, 238, 0.7);
    }

    /* -------- HERO -------- */
    .hero {
      display: flex;
      flex-direction: column;
      gap: 3rem;
      padding: 3.5rem 1.5rem 3rem;
    }
    .hero-inner {
      max-width: 1120px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 3rem;
    }
    .hero-left {
      flex: 1;
    }
    .hero-kicker {
      font-size: 0.65rem;
      text-transform: uppercase;
      letter-spacing: 0.3em;
      color: #67e8f9;
      font-weight: 600;
      margin-bottom: 0.75rem;
    }
    .hero-title {
      font-size: 2rem;
      line-height: 1.2;
      color: #ffffff;
      font-weight: 600;
      margin-bottom: 1rem;
    }
    .hero-title span {
      color: #67e8f9;
    }
    @media (min-width: 640px) {
      .hero-title {
        font-size: 2.5rem;
      }
    }
    @media (min-width: 900px) {
      .hero-title {
        font-size: 3rem;
      }
    }
    .hero-text {
      font-size: 0.95rem;
      color: #d1d5db;
      max-width: 32rem;
      line-height: 1.6;
      margin-bottom: 1.5rem;
    }
    .hero-cta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1.2rem;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.75rem 1.7rem;
      border-radius: 999px;
      background: #22d3ee;
      color: #020617;
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 0 24px rgba(34, 211, 238, 0.6);
      transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    }
    .btn-primary:hover {
      background: #06b6d4;
      transform: translateY(-1px);
      box-shadow: 0 0 30px rgba(34, 211, 238, 0.8);
    }
    .hero-note {
      font-size: 0.7rem;
      color: #9ca3af;
    }
    .hero-features {
      display: grid;
      grid-template-columns: 1fr;
      gap: 0.75rem;
      margin-top: 1.2rem;
    }
    @media (min-width: 640px) {
      .hero-features {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }
    .card-soft {
      border-radius: 1rem;
      border: 1px solid rgba(248, 250, 252, 0.06);
      background: rgba(15, 23, 42, 0.75);
      backdrop-filter: blur(16px);
      padding: 0.9rem;
	  max-width: 300px; /*a supprimer plus tard*/
    }
    .card-soft-label {
      font-size: 0.65rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: #9ca3af;
      margin-bottom: 0.25rem;
    }
    .card-soft-text {
      font-size: 0.9rem;
      color: #f9fafb;
    }

    .hero-right {
      flex: 1;
    }
    .book-wrapper {
      max-width: 360px;
      margin: 0 auto;
      position: relative;
    }
    .book-glow {
      position: absolute;
      inset: -6px;
      border-radius: 1.8rem;
      background: linear-gradient(135deg, #22d3ee, #a855f7, #020617);
      opacity: 0.75;
      filter: blur(18px);
      z-index: -1;
    }
    .book-card {
      border-radius: 1.7rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: linear-gradient(to bottom, rgba(15, 23, 42, 0.9), #020617);
      box-shadow: 0 22px 45px rgba(15, 23, 42, 0.9);
      padding: 1.4rem;
    }
    .book-inner {
      border-radius: 1.3rem;
      border: 1px solid rgba(148, 163, 184, 0.35);
      padding: 0.18rem;
      background: linear-gradient(135deg, #020617, #020617);
    }
    .book-surface {
      border-radius: 1.15rem;
      padding: 1.2rem;
      background: radial-gradient(circle at 10% 0%, #0f172a, #020617 55%);
      display: flex;
      flex-direction: column;
      height: 100%;
      justify-content: space-between;
    }
    .book-meta-label {
      font-size: 0.6rem;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: rgba(103, 232, 249, 0.8);
      font-weight: 600;
    }
    .book-title {
      font-size: 1.25rem;
      margin-top: 0.4rem;
      color: #f9fafb;
      font-weight: 600;
    }
    .book-hook {
      margin-top: 0.7rem;
      font-size: 0.8rem;
      color: #e5e7eb;
      line-height: 1.6;
    }
    .book-data {
      margin-top: 1rem;
      font-size: 0.8rem;
      color: #e5e7eb;
    }
    .book-data-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.35rem;
    }
    .book-footer {
      margin-top: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .book-price-label {
      font-size: 0.65rem;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: #9ca3af;
      margin-bottom: 0.15rem;
    }
    .book-price {
      font-size: 1.2rem;
      font-weight: 600;
      color: #f9fafb;
    }
    .btn-outline {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      padding: 0.55rem 1.2rem;
      border-radius: 999px;
      border: 1px solid rgba(34, 211, 238, 0.7);
      background: rgba(8, 47, 73, 0.4);
      color: #e0f2fe;
      font-weight: 600;
      transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
      box-shadow: 0 0 16px rgba(34, 211, 238, 0.45);
    }
    .btn-outline:hover {
      background: rgba(34, 211, 238, 0.35);
      transform: translateY(-1px);
      box-shadow: 0 0 24px rgba(34, 211, 238, 0.7);
    }
    .book-note {
      margin-top: 0.65rem;
      font-size: 0.7rem;
      color: #9ca3af;
      text-align: center;
    }

    /* -------- SECTION CONTENU -------- */
    section {
      padding: 3rem 0;
    }
    .section {
      max-width: 1120px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }
    .section-title {
      font-size: 1.3rem;
      font-weight: 600;
      margin-bottom: 0.8rem;
    }
    .section-subtext {
      font-size: 0.95rem;
      color: #d1d5db;
      line-height: 1.7;
    }
    .two-cols {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    @media (min-width: 900px) {
      .two-cols {
        grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
      }
    }

    /* Liste des bénéfices */
    .benefits {
      list-style: none;
      margin-top: 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.7rem;
      font-size: 0.9rem;
      color: #e5e7eb;
    }
    .benefit-item {
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
    }
    .benefit-dot {
      margin-top: 0.4rem;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: #22d3ee;
    }

    /* Bloc extrait */
    .card-extract {
      border-radius: 1.3rem;
      border: 1px solid rgba(148, 163, 184, 0.4);
      background: radial-gradient(circle at 0% 0%, #020617, #020617 60%, #020617);
      padding: 1.4rem;
      box-shadow: 0 22px 40px rgba(15, 23, 42, 0.9);
    }
    .card-extract-label {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.22em;
      color: #9ca3af;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .card-extract-text {
      font-size: 0.9rem;
      color: #e5e7eb;
      margin-bottom: 0.8rem;
    }
    .card-extract-inner {
      border-radius: 1rem;
      border: 1px solid rgba(34, 211, 238, 0.5);
      background: radial-gradient(circle at 0 0, #020617, #020617 60%);
      padding: 0.9rem;
      font-size: 0.9rem;
      color: #e5e7eb;
    }
    .card-extract-inner p {
      font-style: italic;
    }

    /* -------- SECTION AUTEUR + COMMANDE -------- */
    .card-order {
      border-radius: 1.3rem;
      border: 1px solid rgba(34, 211, 238, 0.7);
      background: radial-gradient(circle at 0% 0%, #020617, #020617 60%, #020617);
      padding: 1.4rem;
      box-shadow: 0 25px 40px rgba(8, 47, 73, 0.9);
    }
    .order-label {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.24em;
      color: #67e8f9;
      font-weight: 600;
      margin-bottom: 0.4rem;
    }
    .order-title {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 0.4rem;
    }
    .order-text {
      font-size: 0.9rem;
      color: #d1d5db;
      margin-bottom: 1rem;
      line-height: 1.7;
    }
    .order-grid {
      display: grid;
      gap: 0.4rem;
      font-size: 0.9rem;
      color: #e5e7eb;
      margin-bottom: 1rem;
    }
    .order-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .order-row small {
      color: #9ca3af;
      font-size: 0.75rem;
    }
    .order-link {
      display: block;
      text-align: center;
      margin-top: 0.7rem;
      padding: 0.7rem 1rem;
      border-radius: 999px;
      background: #22d3ee;
      color: #020617;
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 0 24px rgba(34, 211, 238, 0.7);
      transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    }
    .order-link:hover {
      background: #06b6d4;
      transform: translateY(-1px);
      box-shadow: 0 0 32px rgba(34, 211, 238, 0.9);
    }
    .order-note {
      margin-top: 0.4rem;
      font-size: 0.7rem;
      color: #9ca3af;
      text-align: center;
    }
	


    /* -------- FOOTER -------- */
    footer {
      border-top: 1px solid rgba(148, 163, 184, 0.3);
      background: rgba(3, 7, 18, 0.95);
      margin-top: auto;
    }
    .footer-inner {
      max-width: 1120px;
      margin: 0 auto;
      padding: 1rem 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.7rem;
      align-items: center;
      justify-content: space-between;
      font-size: 0.7rem;
      color: #6b7280;
    }
    @media (min-width: 700px) {
      .footer-inner {
        flex-direction: row;
      }
    }
    .footer-links {
      display: flex;
      gap: 1.2rem;
    }
    .footer-links a:hover {
      color: #e5e7eb;
      transition: color 0.15s ease;
    }

    /* -------- RESPONSIVE -------- */
    @media (min-width: 900px) {
      nav {
        display: flex;
      }
      .hero {
        padding-top: 4rem;
      }
      .hero-inner {
        flex-direction: row;
        align-items: center;
      }
    }
  </style>