    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      font-weight: 400;
      color: #1e1e1e;
      background: #fafaf9;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    h1, h2, h3, h4, .heading {
      font-family: 'Newsreader', Georgia, 'Times New Roman', serif;
      font-weight: 400;
      line-height: 1.2;
      letter-spacing: -0.01em;
    }
    h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 300; }
    h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 300; }
    h3 { font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 400; }
    h4 { font-size: clamp(1.1rem, 1.6vw, 1.4rem); font-weight: 500; }
    .body-large { font-size: clamp(1rem, 1.3vw, 1.1rem); line-height: 1.7; }
    .body-small { font-size: clamp(0.85rem, 1vw, 0.95rem); line-height: 1.6; }
    :root {
      --navy: #0f172a;
      --navy-light: #1e293b;
      --navy-muted: #334155;
      --burgundy: #7f1d1d;
      --burgundy-light: #991b1b;
      --burgundy-lighter: #b91c1c;
      /* Doré du wordmark. Même teinte que le #d4a373 de la section Sécurité,
         mais assombrie : ce doré-là est fait pour le fond navy (7,89:1) et ne
         tient pas sur le crème du héros (2,03:1, seuil 3:1). Ici : 3,98:1. */
      --brand-gold: #a46b32;
      /* Doré des mentions d'offre (texte or sur blanc, texte blanc sur or) : 4,95:1 dans les deux
         sens, quand --brand-gold n'y donne que 4,44:1 (seuil 4,5:1). Clair seul : la landing n'a pas
         de mode sombre (valeur sombre au todo). */
      --brand-gold-texte: #9a6430;
      /* Or clair des cartes d'offre (texte sur navy ou bordeaux). Même teinte que leur grand chiffre. */
      --or-clair: #e9b97a;
      /* /pourquoi : une teinte par famille d'outils, même fond pour sa carte et sa colonne du tableau.
         Clair seul (pas de mode sombre sur la landing). Texte ≥ 15,2:1, texte atténué ≥ 6,6:1,
         vert ≥ 4,75:1, rouge ≥ 5,6:1, bordeaux ≥ 8,7:1 sur chacune. */
      --pq-redaction: #fbf3e4;
      --pq-ia: #f0edfa;
      --pq-cotation: #e8f4ee;
      --burgundy-pale: #fef2f2;
      --cream: #fafaf9;
      --cream-dark: #f5f2ed;
      --cream-darker: #efebe7;
      --stone: #e7e5e4;
      --stone-dark: #a8a29e;
      --text: #1c1917;
      --text-muted: #57534e;
      --text-light: #a8a29e;
      --white: #ffffff;
      --border: #e7e5e4;
      --border-light: #f0edeb;
    }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
    .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 1.5rem; }
    .section { padding: 5rem 0; }
    .section-dark { background: var(--navy); color: var(--cream); }
    .section-bande { padding: 2.6rem 1.5rem; max-width: 1100px; margin: 2rem auto 0; border-radius: 12px; }
    body::before { content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none; background: url('assets/arabesque_fond.svg') right bottom / cover no-repeat; opacity: 0.09; }
    .section-cream { background: var(--cream-dark); }
    .section-white { background: rgba(255,255,255,0.7); }
    .top-banner {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      background: var(--navy); color: var(--cream); padding: 0.65rem 1.5rem;
      font-size: 0.8rem; display: flex; align-items: center;
      justify-content: space-between; gap: 1rem;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-banner-left { display: flex; align-items: center; gap: 0.5rem; flex: 1; }
    .top-banner-left svg { flex-shrink: 0; opacity: 0.8; }
    .top-banner-text { color: rgba(255,255,255,0.85); line-height: 1.4; }
    .top-banner-cta {
      flex-shrink: 0;
      display: inline-flex; align-items: center; justify-content: center;
      padding: 0.4rem 1rem; font-size: 0.75rem; font-weight: 600;
      font-family: 'Inter', sans-serif; color: var(--burgundy); text-shadow: 0 1px rgba(255,255,255,0.5);
      text-decoration: none; white-space: nowrap; cursor: pointer;
      background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%);
      border-radius: 30px; border: 1px solid var(--burgundy);
      transition: all 0.2s ease;
    }
    .top-banner-cta:hover {
      box-shadow: 0 4px 3px 1px rgba(255,255,255,0.06), 0 6px 8px rgba(0,0,0,0.3), 0 -4px 4px rgba(0,0,0,0.2), 0 -6px 4px rgba(255,255,255,0.04), inset 0 0 3px 3px rgba(0,0,0,0.15);
    }
    .top-banner-cta:active,
    .top-banner-cta:focus {
      box-shadow: 0 4px 3px 1px rgba(255,255,255,0.06), 0 6px 8px rgba(0,0,0,0.3), 0 -4px 4px rgba(0,0,0,0.2), 0 -6px 4px rgba(255,255,255,0.04), inset 0 0 5px 3px rgba(0,0,0,0.25), inset 0 0 30px rgba(0,0,0,0.15);
    }
    .nav {
      position: fixed; top: 2.8rem; left: 0; right: 0; z-index: 99;
      background: rgba(250,250,249,0.92); backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border);
      padding: 0.75rem 0;
    }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; }
    .nav-logo {
      font-family: 'Newsreader', serif; font-size: 1.3rem; font-weight: 500;
      color: var(--navy); text-decoration: none; letter-spacing: -0.02em;
      display: inline-flex; align-items: center; gap: 0.5rem;
    }
    .nav-logo img { display: block; height: 30px; width: auto; }
    .nav-links { display: flex; align-items: center; gap: 1.5rem; }
    .nav-links a {
      font-size: 0.8rem; color: var(--text-muted); text-decoration: none;
      transition: color 0.2s; font-weight: 500;
    }
    .nav-links a:hover { color: var(--navy); }
    .nav-cta {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 0.4rem 1rem; font-size: 0.8rem; font-weight: 600 !important;
      font-family: 'Inter', sans-serif; color: #606060 !important; text-shadow: 0 1px #fff;
      text-decoration: none; cursor: pointer;
      background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%);
      border-radius: 30px; border: 1px solid #8F9092;
      transition: all 0.2s ease;
    }
    .nav-cta:hover {
      box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 3px 3px #CECFD1 !important;
    }
    .nav-cta:active,
    .nav-cta:focus {
      box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 5px 3px #999, inset 0 0 30px #aaa;
    }
    .nav-mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.25rem; }
    .hero {
      padding: 8rem 0 4rem;
      background: linear-gradient(180deg, rgba(245,242,237,0.85) 0%, rgba(250,250,249,0.6) 100%);
      border-bottom: 1px solid var(--border);
    }
    .hero-content { max-width: 880px; margin: 0 auto; text-align: center; }
    .hero h1 { margin-bottom: 0.9rem; display:flex; flex-direction:column; align-items:center; gap:0.35rem; }
    .hero h1 em { font-style: italic; color: var(--burgundy); }
    .hero-sub { color: var(--text-muted); margin-bottom: 1.5rem; max-width: 680px; margin-left: auto; margin-right: auto; }
    .hero-devise { font-family: 'Newsreader', Georgia, 'Times New Roman', serif; font-style: normal; color: var(--navy); font-size: clamp(1.9rem, 4.2vw, 2.8rem); margin-bottom: 0; line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }
    .hero-devise .highlight-burgundy { color: var(--burgundy); }
    .hero h1 { font-family: 'Times New Roman', Times, Georgia, serif; font-style: italic; font-size: clamp(1.32rem, 2.53vw, 1.84rem); font-weight: 300; margin-bottom: 0; letter-spacing: -0.01em; white-space: nowrap; color: var(--navy); }
    .hero-sous { font-family: 'Times New Roman', Times, Georgia, serif; font-style: italic; font-size: clamp(1.25rem, 2.3vw, 1.7rem); font-weight: 300; color: var(--navy); margin: 0 0 1.5rem; letter-spacing: -0.01em; }
    .hero-sous em { color: var(--burgundy); }
    .hero h1 .highlight-brand { color: var(--navy); font-style: normal; font-weight: 800; font-size: clamp(3.4rem, 7vw, 5.2rem); line-height:1; display: inline-block; margin-bottom: 0.2rem; letter-spacing: -0.03em; text-transform: uppercase; }
    .hero-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 2.5rem; margin-top: 2.5rem; margin-bottom: 2.5rem; font-size: 0.8rem; color: var(--text-muted); }
    .hero-trust-item { display: flex; align-items: center; gap: 0.4rem; }
    .hero-trust-item svg { flex-shrink: 0; }
    .hero-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
      padding: 0.75rem 1.75rem; font-size: 0.9rem; font-weight: 600;
      font-family: 'Inter', sans-serif; color: #606060; text-shadow: 0 1px #fff;
      text-decoration: none; cursor: pointer;
      background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%);
      border-radius: 30px; border: 1px solid #8F9092;
      transition: all 0.2s ease;
    }
    .btn:hover {
      color: var(--burgundy);
      box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 3px 3px #CECFD1;
    }
    .btn:active,
    .btn:focus {
      box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 5px 3px #999, inset 0 0 30px #aaa;
    }
    .btn-primary { background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%); }
    .btn-secondary { background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%); }
    .section-label {
      font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
      font-weight: 600; color: var(--burgundy); margin-bottom: 0.75rem;
    }
    .section-title { margin-bottom: 1rem; }
    .section-title em { font-style: italic; color: var(--burgundy); }
    .section-intro { color: var(--text-muted); max-width: 680px; }
    .problem-text p { margin-bottom: 1.5rem; color: var(--text); max-width: 720px; }
    .problem-text p:last-child { margin-bottom: 0; }
    .problem-text .highlight { color: var(--burgundy); font-weight: 500; }

    /* Cartes Problème — style SouravBandyopadhyay adapté */
    .problem-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      margin: 2.5rem 0;
      max-width: 1100px;
      margin-left: auto;
      margin-right: auto;
    }
    .problem-cards .card {
      position: relative;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 2rem 1.5rem;
      z-index: 0;
      overflow: hidden;
      transition: box-shadow 0.3s ease;
    }
    .problem-cards .card:hover {
      box-shadow: 0 8px 32px rgba(127,29,29,0.1);
    }
    .problem-cards .card::before {
      content: '';
      position: absolute;
      z-index: -1;
      top: -16px;
      right: -16px;
      background: linear-gradient(135deg, var(--burgundy), var(--burgundy-light));
      height: 32px;
      width: 32px;
      border-radius: 32px;
      transform: scale(1);
      transform-origin: 50% 50%;
      transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .problem-cards .card:hover::before {
      transform: scale(40);
    }
    .problem-cards .card .card-number {
      font-family: 'Newsreader', serif;
      font-size: 2rem;
      font-weight: 200;
      color: rgba(127,29,29,0.08);
      line-height: 1;
      margin-bottom: 0.5rem;
      transition: color 0.35s ease-out;
    }
    .problem-cards .card:hover .card-number {
      color: rgba(255,255,255,0.2);
    }
    .problem-cards .card .card-icon {
      font-size: 1.8rem;
      color: var(--burgundy);
      margin-bottom: 0.75rem;
      transition: color 0.35s ease-out;
    }
    .problem-cards .card:hover .card-icon {
      color: rgba(255,255,255,0.9);
    }
    .problem-cards .card .card-title {
      font-family: 'Newsreader', serif;
      font-size: 1.6rem;
      font-weight: 600;
      color: var(--navy);
      margin-bottom: 0.5rem;
      line-height: 1.3;
      text-align: center;
      transition: color 0.35s ease-out;
    }
    .problem-cards .card:hover .card-title {
      color: #ffffff;
    }
    .problem-cards .card .card-sub {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
      margin-bottom: 0.75rem;
      text-align: center;
      transition: color 0.35s ease-out;
    }
    .problem-cards .card:hover .card-sub {
      color: rgba(255,255,255,0.7);
    }
    .problem-cards .card .card-desc {
      font-size: 0.85rem;
      color: var(--text);
      line-height: 1.6;
      text-align: justify;
      overflow-wrap: break-word;
      transition: color 0.35s ease-out;
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transition: max-height 0.5s ease, opacity 0.5s ease, color 0.35s ease-out;
    }
    .problem-cards .card:hover .card-desc {
      max-height: 500px;
      opacity: 1;
      color: rgba(255,255,255,0.85);
    }
    .problem-cards .card .card-desc .highlight {
      color: var(--burgundy);
      font-weight: 500;
      transition: color 0.35s ease-out;
    }
    .problem-cards .card:hover .card-desc .highlight {
      color: rgba(255,255,255,0.95);
    }
    /* Sans survol, la description ne serait révélable par aucun geste : les cartes
       sont des <div> nus, donc même le hover collant d'iOS ne se déclenche pas. */
    @media (hover: none) {
      .problem-cards .card .card-desc { max-height: none; opacity: 1; }
    }
    @media (max-width: 768px) {
      .problem-cards {
        grid-template-columns: 1fr;
        max-width: 450px;
      }
    }
    .solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
    .steps-list { counter-reset: step; }
    .step-item {
      counter-increment: step; padding: 1.5rem 0;
      border-bottom: 1px solid var(--border-light); display: flex; gap: 1.25rem;
    }
    .step-item:first-child { padding-top: 0; }
    .step-number {
      font-family: 'Newsreader', serif; font-size: 2rem; font-weight: 200;
      color: var(--burgundy); line-height: 1; flex-shrink: 0; width: 2.2rem;
    }
    .step-text { flex: 1; }
    .step-text h2 { margin-bottom: 0.3rem; font-weight: 500; }
    .step-text h2, .solution-not h2, .security-card h3 { font-size: clamp(1.1rem, 1.6vw, 1.4rem); font-weight: 500; }   /* aspect du h4 d'origine (lot 2c) */
    .step-text p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; text-align: justify; }
    .solution-not {
      background: var(--cream-dark); padding: 2rem; border-radius: 4px;
      border-left: 3px solid var(--burgundy);
    }
    .solution-not p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; text-align: justify; word-spacing: -0.3px; }
    .solution-not strong { color: var(--navy); }
    .referentiel {
      position: relative;
      overflow: hidden;
      max-width: 880px;
      margin: 3rem auto 0;
      padding: 1.75rem 2rem;
      background: var(--white);
      border: 1px solid var(--border);
      border-left: 3px solid var(--burgundy);
      border-radius: 2px;
    }
    /* Le contenu doit passer AU-DESSUS du filigrane : d'où le contexte
       d'empilement et le z-index sur titre et paragraphes. */
    .referentiel-filigrane {
      position: absolute;
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      height: 320px;
      width: auto;
      opacity: 0.05;
      filter: brightness(0);
      pointer-events: none;
      z-index: 0;
    }
    .referentiel-titre {
      position: relative;
      z-index: 1;
      font-size: clamp(1.8rem, 3.5vw, 2.8rem);
      font-weight: 300;
      text-align: center;
      color: var(--navy);
      margin-bottom: 1.25rem;
    }
    .referentiel p {
      position: relative;
      z-index: 1;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.75;
      text-align: justify;
    }
    .referentiel p + p { margin-top: 1rem; }
    .referentiel .accent { color: var(--burgundy); font-weight: 700; }
    .demo-cta { text-align: center; margin-top: 2rem; }
    .security-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; }
    .security-card {
      display: block;
      position: relative;
      background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
      border-radius: 10px; padding: 2rem;
      z-index: 0;
      overflow: hidden;
      transition: box-shadow 0.3s ease;
    }
    .security-card:hover {
      box-shadow: 0 8px 32px rgba(212,163,115,0.15);
      transform: scale(0.97);
    }
    .security-card:active {
      transform: scale(0.94);
      box-shadow: inset 0 0 8px 4px rgba(0,0,0,0.15), inset 0 0 30px rgba(0,0,0,0.1), 0 8px 32px rgba(212,163,115,0.15);
    }
    .security-card::before {
      content: '';
      position: absolute;
      z-index: -1;
      top: -16px;
      right: -16px;
      background: linear-gradient(135deg, #d4a373, #bc8a5f);
      height: 32px;
      width: 32px;
      border-radius: 32px;
      transform: scale(1);
      transform-origin: 50% 50%;
      transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .security-card:hover::before {
      transform: scale(40);
    }
    .security-card h3 { margin-bottom: 0.75rem; color: #d4a373; position: relative; z-index: 1; transition: color 0.35s ease-out; }
    .security-card:hover h3 { color: #ffffff; }
    .security-card p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.6; text-align: justify; position: relative; z-index: 1; transition: color 0.35s ease-out; }
    .security-card:hover p { color: rgba(255,255,255,0.9); }
    .security-card .icon-wrap { margin-bottom: 1rem; position: relative; z-index: 1; }
    .security-card .icon-wrap svg { transition: stroke 0.35s ease-out; }
    .security-card:hover .icon-wrap svg { stroke: #ffffff !important; }
    .security-proofs {
      display: flex; flex-wrap: wrap; gap: 1.5rem; margin-top: 2rem;
      padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.08);
    }
    .security-proofs span { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
    .audience-text {
      max-width: 720px; margin: 0 auto; text-align: center;
      font-size: clamp(1rem, 1.3vw, 1.1rem); color: var(--text-muted); line-height: 1.7;
    }
    .pricing-argument {
      text-align: center; max-width: 640px; margin: 0 auto 3rem;
      font-family: 'Newsreader', serif; font-style: italic;
      font-size: clamp(1rem, 1.3vw, 1.15rem); color: var(--text-muted); line-height: 1.6;
    }
    .pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; max-width: 640px; margin: 0 auto 2.5rem; }
    .pricing-card {
      background: var(--white); border: 1px solid var(--border);
      border-radius: 4px; padding: 2rem; position: relative; transition: box-shadow 0.2s;
      display: flex; flex-direction: column;
    }
    .pricing-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
    .pricing-card.featured { border-color: var(--burgundy); box-shadow: 0 0 0 1px var(--burgundy); }
    .pricing-card .pricing-btn { margin-top: auto; }
    .graphes-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 860px; margin: 2.5rem auto 0; }
    .graphe-card {
      background: var(--white); border: 1px solid var(--border);
      border-radius: 4px; padding: 1.25rem; margin: 0; min-width: 0;
    }
    .graphe-titre { font-weight: 600; margin-bottom: 0.75rem; }
    /* Le SVG généré porte une largeur en pixels (800 pour G3) : sans cette règle, il déborde. */
    .graphe-card svg { display: block; width: 100%; height: auto; }
    .graphe-complements { list-style: none; margin: 0.75rem 0 0; padding: 0; font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
    .graphe-complements li + li { margin-top: 0.35rem; }
    .graphes-note { text-align: center; font-size: 0.85rem; color: var(--text-muted); margin-top: 1rem; }
    .pricing-badge {
      position: absolute; top: -0.6rem; left: 50%; transform: translateX(-50%);
      background: var(--burgundy); color: white; font-size: 0.65rem; font-weight: 700;
      letter-spacing: 0.08em; text-transform: uppercase; padding: 0.2rem 0.75rem;
      border-radius: 3px; white-space: nowrap;
    }
    .pricing-name { font-family: 'Newsreader', serif; font-size: 1.2rem; font-weight: 500; margin-bottom: 0.5rem; }
    .pricing-credits { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.75rem; }
    .pricing-price {
      font-family: 'Newsreader', serif; font-size: 2rem; font-weight: 300;
      color: var(--navy); margin-bottom: 0.25rem;
    }
    .pricing-per { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.5rem; }
    .pricing-saving { font-size: 0.75rem; color: var(--burgundy); font-weight: 600; margin-bottom: 1rem; }
    .pricing-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1.5rem; }
    .pricing-btn {
      display: block; text-align: center; padding: 0.6rem 1rem;
      font-size: 0.85rem; font-weight: 600; font-family: 'Inter', sans-serif;
      color: #606060; text-shadow: 0 1px #fff; text-decoration: none;
      background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%);
      border-radius: 30px; border: 1px solid #8F9092;
      transition: all 0.2s ease;
    }
    .pricing-btn:hover {
      color: var(--burgundy);
      box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 3px 3px #CECFD1;
    }
    .pricing-btn:active,
    .pricing-btn:focus {
      box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 5px 3px #999, inset 0 0 30px #aaa;
    }
    /* Offres de lancement (lot 5, 15/10/2026) : deux grands encarts AVANT la grille, bordeaux et navy, chiffre géant en or ; aucun prix barré. */
    .offres { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; max-width: 880px; margin: 2rem auto 3rem; }
    .offre { position: relative; overflow: hidden; border-radius: 18px; padding: 2rem 1.9rem 1.6rem; color: #fff; display: flex; flex-direction: column; box-shadow: 0 18px 40px -18px rgba(15,23,42,0.55); }
    .offre--bdx { background: radial-gradient(120% 90% at 100% 0%, var(--burgundy-lighter) 0%, var(--burgundy) 55%, #4c0d0d 100%); }
    .offre--nvy { background: radial-gradient(120% 90% at 100% 0%, var(--navy-muted) 0%, var(--navy-light) 50%, var(--navy) 100%); }
    .offre::after { content: ''; position: absolute; inset: 0; border-radius: inherit; border: 1px solid rgba(255,255,255,0.14); pointer-events: none; }
    .offre-pastille { align-self: flex-start; display: inline-flex; align-items: center; gap: 0.5rem; margin: 0 0 1.1rem; padding: 0.3rem 0.8rem; border-radius: 999px; background: rgba(255,255,255,0.12); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
    .offre-point { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: #e9b97a; box-shadow: 0 0 0 0 rgba(233,185,122,0.7); }
    .offre-chiffre { display: flex; align-items: center; gap: 1rem; margin: 0 0 1rem; }
    .offre-grand { font-family: 'Newsreader', serif; font-size: clamp(4.5rem, 9vw, 6.5rem); line-height: 0.85; font-weight: 500; color: #e9b97a; text-shadow: 0 2px 18px rgba(233,185,122,0.35); }
    .offre-grand sup { font-size: 0.38em; vertical-align: super; margin-left: 0.05em; }
    .offre-unite { font-family: 'Newsreader', serif; font-size: clamp(1.2rem, 2vw, 1.5rem); line-height: 1.2; }
    .offre-unite strong { font-weight: 600; color: #fff; }
    .offre-texte { font-size: 0.95rem; line-height: 1.55; margin: 0 0 1rem; color: rgba(255,255,255,0.88); }
    .offre-texte strong { color: #fff; }
    .offre-points { list-style: none; margin: 0 0 1.4rem; padding: 0; display: grid; gap: 0.4rem; font-size: 0.85rem; color: rgba(255,255,255,0.9); }
    .offre-points li { position: relative; padding-left: 1.5rem; }
    .offre-points li::before { content: '✓'; content: '✓' / ''; position: absolute; left: 0; color: #e9b97a; font-weight: 800; }
    .offre-cta { margin-top: auto; text-align: center; padding: 0.85rem 1.2rem; border-radius: 999px; background: #fff; color: var(--burgundy); font-weight: 700; font-size: 0.95rem; text-decoration: none; box-shadow: 0 6px 18px -6px rgba(0,0,0,0.45); transition: transform 0.2s ease, box-shadow 0.2s ease; }
    .offre--nvy .offre-cta { color: var(--navy); }
    .offre-cta:hover, .offre-cta:focus-visible { transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(0,0,0,0.55); }
    .offre-date { margin: 0.9rem 0 0; text-align: center; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #e9b97a; }
    .pricing-badge--or { background: var(--brand-gold-texte); }
    .pricing-lancement { font-size: 0.78rem; font-weight: 700; color: var(--brand-gold-texte); margin: -0.4rem 0 0.75rem; }
    /* Or dans les titres des cartes d'offre (« offerts », « pour le prix de 5 »), mesuré à l'emplacement réel
       dans le dégradé (19/10, 375 à 1280 px) : navy ≥ 5,76:1, bordeaux ≥ 4,80:1. */
    .offre-unite .offre-or { color: var(--or-clair); font-weight: 700; }
    /* Dates sur deux lignes réservées : boutons et dates alignés d'une carte à l'autre. */
    .offre-date { line-height: 1.4; min-height: 2.8em; }
    /* Carte « à l'unité » : « 0 € » (classe .pricing-price, comme le Pack 5) et « les 3 premiers crédits » sur une
       ligne, qui passe sous le prix quand la place manque ; puis le prix unitaire et la condition. */
    .pricing-ligne { display: flex; flex-wrap: wrap; align-items: baseline; column-gap: 0.5rem; margin-bottom: 0.25rem; }
    .pricing-ligne .pricing-price { margin-bottom: 0; }
    .pricing-premiers { font-size: 1rem; font-weight: 700; color: var(--navy); }
    .pricing-puis { font-size: 0.95rem; font-weight: 600; color: var(--navy); margin-bottom: 0.35rem; }
    .pricing-condition { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.75rem; }
    .pricing-mentions { max-width: 640px; margin: 0 auto; text-align: center; font-size: 0.78rem; color: var(--text-muted); line-height: 1.6; }
    @media (prefers-reduced-motion: no-preference) {
      .offre { transition: transform 0.3s ease, box-shadow 0.3s ease; }
      .offre:hover { transform: translateY(-4px); box-shadow: 0 26px 50px -20px rgba(15,23,42,0.65); }
      .offre-point { animation: offre-pouls 1.8s ease-out infinite; }
      .pricing-card { transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
      .pricing-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--burgundy), var(--brand-gold)); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
      .pricing-card:hover { transform: translateY(-6px); border-color: var(--burgundy); box-shadow: 0 18px 36px -16px rgba(127,29,29,0.35); }
      .pricing-card:hover::before { transform: scaleX(1); }
      .pricing-card .pricing-price { transition: transform 0.3s ease, color 0.3s ease; transform-origin: left center; }
      .pricing-card:hover .pricing-price { transform: scale(1.1); color: var(--burgundy); }
    }
    @keyframes offre-pouls { 0% { box-shadow: 0 0 0 0 rgba(233,185,122,0.7); } 100% { box-shadow: 0 0 0 10px rgba(233,185,122,0); } }
    @media (max-width: 720px) { .offres { grid-template-columns: 1fr; } }
    .pricing-table {
      max-width: 680px; margin: 0 auto 2rem; border-collapse: collapse; font-size: 0.85rem;
    }
    .pricing-table th, .pricing-table td {
      padding: 0.5rem 1rem; border-bottom: 1px solid var(--border-light); text-align: left;
    }
    .pricing-table th { font-weight: 600; color: var(--text-muted); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
    .pricing-table td { color: var(--text); }
    /* Level cards — from Uiverse.io by JohnnyCSilva, adapted */
    .level-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      max-width: 880px;
      margin: 0 auto;
    }
    .level-card {
      width: 100%;
      border-radius: 20px;
      display: flex;
      align-items: center;
      backdrop-filter: blur(10px);
      transition: 0.5s ease-in-out;
      padding: 0.75rem;
      gap: 0.75rem;
      box-shadow: 0 0 0 0 var(--card-glow);
    }
    .level-card[style*="--card-bg:#65a30d"] { background: #ecfccb; }
    .level-card[style*="--card-bg:#65a30d"] .level-card-img { background: linear-gradient(135deg, #84cc16, #65a30d); }
    .level-card[style*="--card-bg:#d97706"] { background: #fef3c7; }
    .level-card[style*="--card-bg:#7f1d1d"] { background: #fef2f2; }
    .level-card[style*="--card-bg:#7c3aed"] { background: #f3e8ff; }
    .level-card:hover {
      cursor: pointer;
      transform: scale(1.03);
      box-shadow: 0 0 24px var(--card-glow);
    }
    .level-card-img {
      width: 50px;
      height: 50px;
      flex-shrink: 0;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: 0.5s ease-in-out;
    }
    .level-card:hover .level-card-img {
      background: linear-gradient(135deg, #9198e5, #712020) !important;
    }
    /* Les descriptions n'ont pas la même longueur : sans cet ancrage en haut, le
       bloc texte le plus court est recentré verticalement et son étiquette
       descend sous celle des autres cartes. */
    .level-card-text {
      flex: 1;
      min-width: 0;
      align-self: flex-start;
    }
    .level-card[style*="--card-bg:#65a30d"] .level-card-text { color: #3f6212; }
    .level-card[style*="--card-bg:#d97706"] .level-card-text { color: #78350f; }
    .level-card[style*="--card-bg:#7f1d1d"] .level-card-text { color: #7f1d1d; }
    .level-card[style*="--card-bg:#7c3aed"] .level-card-text { color: #4c1d95; }
    .level-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 0.2rem;
    }
    /* 0.88rem + nowrap : « Pistes d'adaptation » (133 px) et son étiquette
       « incluses » (56 px) tiennent en 189 px pour 197 disponibles. À 0.95rem
       la somme atteignait 200 px, le nom repassait à la ligne et son étiquette
       descendait de 16 px sous les deux autres. */
    .level-card-name {
      font-size: 0.88rem;
      font-weight: 700;
      white-space: nowrap;
    }
    .level-card-cost {
      font-size: 0.65rem;
      font-weight: 600;
      opacity: 0.85;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }
    .level-card-desc {
      font-size: 0.72rem;
      font-weight: 400;
      opacity: 0.85;
      line-height: 1.4;
    }
    /* Trois cartes d'inclusion : elles s'empilent avant d'être illisibles. */
    @media (max-width: 780px) {
      .level-cards { grid-template-columns: 1fr; }
    }
    .pricing-mentions { max-width: 640px; margin: 0 auto; font-size: 0.8rem; color: var(--text-muted); line-height: 1.7; }
    .pricing-mentions p { margin-bottom: 0.5rem; }
    .testimonial-block { max-width: 720px; margin: 0 auto; text-align: center; }
    .testimonial-quote {
      font-family: 'Newsreader', serif; font-size: clamp(1.1rem, 1.6vw, 1.35rem);
      font-style: italic; font-weight: 300; line-height: 1.7; color: var(--text);
      margin-bottom: 1.5rem;
    }
    .testimonial-quote::before { content: "«\00a0"; color: var(--burgundy); }
    .testimonial-quote::after { content: "\00a0»"; color: var(--burgundy); }
    .testimonial-author { font-size: 0.85rem; color: var(--text-muted); }
    .testimonial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
    .testimonial-card {
      background: var(--white); border: 1px solid var(--border); border-radius: 8px;
      padding: 2rem; display: flex; flex-direction: column; justify-content: space-between;
    }
    .faq-list { max-width: 720px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--border-light); padding: 1.25rem 0; }
    .faq-question {
      display: flex; justify-content: space-between; align-items: center;
      cursor: pointer; font-weight: 500; font-size: 0.95rem;
      color: var(--navy); user-select: none;
    }
    .faq-question svg { flex-shrink: 0; transition: transform 0.2s; }
    .faq-item.open .faq-question svg { transform: rotate(180deg); }
    .faq-answer {
      max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
      font-size: 0.9rem; color: var(--text-muted); line-height: 1.6;
    }
    /* 1000px : le pire cas mesuré (réponse la plus longue, viewport 320px) tient en ~374px.
       max-height:none interdirait toute transition — on garde la marge plutôt que l'animation. */
    .faq-item.open .faq-answer { max-height: 1000px; padding-top: 0.75rem; }
    .footer {
      background: var(--navy); color: rgba(255,255,255,0.7);
      padding: 3rem 0 2rem; font-size: 0.8rem;
    }
    .footer-notice {
      text-align: center; max-width: 720px; margin: 0 auto 2rem;
      padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.08);
      font-size: 0.8rem; line-height: 1.6; color: rgba(255,255,255,0.5);
    }
    .footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem; margin-bottom: 1.5rem; }
    .footer-links a { color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.2s; }
    .footer-links a:hover { color: var(--cream); }
    .footer-brand { text-align: center; font-family: 'Newsreader', serif; font-size: 1rem; color: rgba(255,255,255,0.4); }
    .footer-brand span { color: var(--burgundy); }
    .footer-disclaimer {
      max-width: 820px; margin: 2.5rem auto 0; padding-top: 1.5rem;
      border-top: 1px solid rgba(255,255,255,0.08);
      font-size: 0.72rem; line-height: 1.6; color: rgba(255,255,255,0.38); text-align: center;
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .nav-mobile-toggle { display: block; }
      .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--cream); border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; gap: 1rem; }
      .solution-grid { grid-template-columns: 1fr; gap: 2rem; }
      .security-grid { grid-template-columns: 1fr; gap: 1rem; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
      .hero-trust { flex-direction: column; align-items: center; gap: 0.75rem; }
      .top-banner-text { display: none; }
      .top-banner { padding: 0.5rem 1rem; }
      .section { padding: 3rem 0; }
      .hero { padding: 7rem 0 3rem; }
    }
    @media (max-width: 480px) {
      .container, .container-narrow { padding: 0 1rem; }
      .hero-ctas { flex-direction: column; align-items: center; }
      .btn { width: 100%; justify-content: center; }
    }
    .divider { border: none; border-top: 1px solid var(--border); margin: 0; }
    .divider-dark { border-color: rgba(255,255,255,0.08); }
    .text-center { text-align: center; }
    .mb-1 { margin-bottom: 1rem; }
    .mb-2 { margin-bottom: 2rem; }
    .mb-3 { margin-bottom: 3rem; }
    a { color: inherit; }

    /* ===== Parcours produit =====
       Une boucle vidéo muette (assets/parcours/loop.*). Elle porte son propre cadre navy
       autour des captures : la figure n'en ajoute pas un second. Lot 2b : contrôles natifs,
       ni autoplay ni préchargement ; site.js ne lance la boucle, sans contrôles, que sur
       ordinateur hors mouvement réduit. La liste porte le texte
       des cinq étapes (titre et précision) pour l'accessibilité et le référencement. */
    .parcours-shot { max-width: 1000px; margin: 0 auto; }
    .parcours-shot video { width: 100%; height: auto; border-radius: 6px; }
    .parcours-shot video { display: block; }
    .parcours-titres {
      list-style: none; counter-reset: etape;
      display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1.5rem;
      max-width: 1000px; margin: 2rem auto 0;
    }
    .parcours-titres li { counter-increment: etape; border-left: 2px solid var(--border); padding-left: 0.9rem; }
    .parcours-titres li::before {
      content: counter(etape, decimal-leading-zero); display: block;
      font-family: 'Newsreader', serif; font-size: 1.6rem; font-weight: 200; color: var(--burgundy); line-height: 1.1;
    }
    .parcours-titres h3 {
      font-family: 'Newsreader', serif; font-size: 1.1rem; font-weight: 500;
      color: var(--navy); line-height: 1.3; margin: 0.3rem 0 0.25rem;
    }
    .parcours-titres p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }
    .parcours-titres .insecable { white-space: nowrap; }
    @media (max-width: 900px) {
      .parcours-titres { grid-template-columns: 1fr; gap: 1rem; max-width: 520px; }
    }

    /* Le disque décoratif balaie toute la carte en 0,6 s : c'est du mouvement, pas de
       la couleur — seul le mouvement est neutralisé. Modèle : demo.css § reduced-motion. */
    @media (prefers-reduced-motion: reduce) {
      .problem-cards .card::before,
      .security-card::before { transition: none; }
      .problem-cards .card:hover::before,
      .security-card:hover::before { transform: scale(40); }
      .security-card:hover, .security-card:active { transform: none; }
      .problem-cards .card .card-desc {
        transition: opacity 0.15s linear, color 0.35s ease-out;
      }
    }
  
