@font-face {
      font-family: 'Inter';
      font-style: normal;
      font-weight: 400 700;
      font-display: swap;
      src: url('fonts/inter-latin.woff2') format('woff2');
      unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
        U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
        U+2212, U+2215, U+FEFF, U+FFFD;
    }

    @font-face {
      font-family: 'Inter';
      font-style: normal;
      font-weight: 400 700;
      font-display: swap;
      src: url('fonts/inter-latin-ext.woff2') format('woff2');
      unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
        U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
        U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
    }

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

    /* Largeur de la colonne de lecture, propre au projet, pas au skin. */
    :root { --max-w: 1100px; }

    html { scroll-behavior: smooth; background: var(--bg-page); min-height: 100%; }

    body {
      font-family: var(--font-body);
      color: var(--text);
      line-height: 1.7;
      font-size: var(--size-sm);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    /* Points discrets, texture classe sans agressivité */
    body::after {
      content: '';
      position: fixed;
      inset: 0;
      z-index: -1;
      background-image: radial-gradient(circle, rgba(255,255,255,0.055) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: radial-gradient(ellipse 85% 70% at 50% 25%, black 0%, transparent 75%);
      -webkit-mask-image: radial-gradient(ellipse 85% 70% at 50% 25%, black 0%, transparent 75%);
    }

    ::-webkit-scrollbar { width: 5px; }
    ::-webkit-scrollbar-track { background: var(--bg-page); }
    ::-webkit-scrollbar-thumb { background: var(--brand); border-radius: 3px; }

    .container {
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
      z-index: 1;
    }

    /* ── KEYFRAMES ── */
    @keyframes heroIn {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    /* ── BUTTONS ── */
    .btn-primary {
      background: var(--brand);
      color: var(--text-on-brand);
      padding: 16px 32px;
      border-radius: var(--radius-sm);
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: none;
      cursor: pointer;
      font-family: var(--font-body);
      transition: background var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
      letter-spacing: 0.01em;
    }
    .btn-primary:hover {
      background: var(--brand-strong);
      transform: translateY(-2px);
    }
    .btn-primary i { font-size: var(--size-lg); }

    .btn-neon-green {
      background: linear-gradient(135deg, var(--ok) 0%, var(--ok) 60%, var(--ok) 100%);
      border: 2px solid var(--ok) !important;
      color: var(--text-strong) !important;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.15) !important;
      transition: background var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
    }
    .btn-neon-green:hover {
      background: linear-gradient(135deg, var(--ok) 0%, var(--ok) 100%);
      transform: translateY(-3px);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.2) !important;
    }

    .btn-secondary {
      color: var(--text-strong);
      border: 1px solid rgba(255,255,255,0.18);
      padding: 15px 30px;
      border-radius: var(--radius-sm);
      font-size: var(--size-sm);
      font-weight: var(--weight-medium);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(255,255,255,0.04);
      backdrop-filter: blur(8px);
      transition: border-color var(--duration) var(--ease), color var(--duration) var(--ease), background var(--duration) var(--ease), transform var(--duration) var(--ease);
    }
    .btn-secondary:hover {
      border-color: var(--brand);
      color: var(--brand);
      background: var(--brand-soft);
      transform: translateY(-2px);
    }
    .btn-secondary i { font-size: var(--size-lg); }

    /* ── SECTION HELPERS ── */
    section { padding: 100px 0; position: relative; z-index: 1; }

    .section-label {
      font-size: var(--size-xs);
      font-weight: var(--weight-strong);
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--brand);
      margin-bottom: 16px;
      display: block;
    }

    .section-title {
      font-size: var(--size-2xl);
      font-weight: var(--weight-strong);
      line-height: 1.15;
      letter-spacing: -0.03em;
      color: var(--text-strong);
      margin-bottom: 20px;
    }

    .section-sub {
      font-size: var(--size-lg);
      color: var(--text-muted);
      max-width: 600px;
      line-height: 1.75;
    }

    .section-header { margin-bottom: 60px; }
    .section-header.centered { text-align: center; }
    .section-header.centered .section-sub { margin: 0 auto; }

    /* ── REVEAL ── */
    .reveal {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }


    /* ══════════════════════════════════════════
       NAVBAR
    ══════════════════════════════════════════ */
    .navbar {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      padding: 0 24px;
      height: 68px;
      display: flex;
      align-items: center;
      background: color-mix(in srgb, var(--bg-raised) 85%, transparent);
      backdrop-filter: blur(20px) saturate(180%);
      -webkit-backdrop-filter: blur(20px) saturate(180%);
      border-bottom: 1px solid var(--rule);
      transition: box-shadow var(--duration) var(--ease);
    }

    .navbar-inner {
      max-width: var(--max-w);
      margin: 0 auto;
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .navbar-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 34px;
      height: 34px;
      background: var(--brand);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-on-brand);
      font-size: var(--size-md);
      flex-shrink: 0;
    }

    /* Le logo Clara, le même SVG que l'en-tête de l'app : quatre barres d'onde, le mot en
       minuscules, un balayage lumineux qui passe sur les barres. Tout en currentColor. */
    .btn-onde { width: 16px; height: 18px; display: inline-block; vertical-align: -3px; }
    .modal-onde { width: 26px; height: 30px; }
    .clara-logo { display: block; color: var(--text-strong); font-family: var(--font-display); font-weight: var(--weight-medium); }
    .clara-logo-sweep { transform-box: fill-box; animation: clara-logo-sweep 3.4s cubic-bezier(0.4, 0, 0.2, 1) infinite; }
    @keyframes clara-logo-sweep {
      0%   { transform: translateX(-4px); opacity: 0; }
      8%   { opacity: 1; }
      45%  { transform: translateX(26px); opacity: 1; }
      55%  { transform: translateX(26px); opacity: 0; }
      100% { transform: translateX(26px); opacity: 0; }
    }
    @media (prefers-reduced-motion: reduce) { .clara-logo-sweep { animation: none; opacity: 0; } }

    .logo-text {
      font-size: var(--size-lg);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      letter-spacing: 0.06em;
    }

    .navbar-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .navbar-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: var(--size-sm);
      font-weight: var(--weight-medium);
      transition: color var(--duration) var(--ease);
    }
    .navbar-links a:hover { color: var(--text-strong); }

    .navbar-cta {
      background: var(--brand);
      color: var(--text-on-brand);
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      text-decoration: none;
      white-space: nowrap;
      transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
    }
    .navbar-cta:hover { background: var(--brand-strong); transform: translateY(-1px); }

    /* Sélecteur de skin, entre les liens et le CTA téléphone de la navbar */
    .choix-skin {
      display: flex; align-items: center; gap: var(--space-2);
      font-size: var(--size-sm);
    }
    .choix-skin-btn {
      display: inline-flex; align-items: center; gap: var(--space-1);
      font: inherit; cursor: pointer;
      padding: var(--space-1) var(--space-3);
      color: var(--text-muted);
      background: var(--bg-raised);
      border: var(--border-width) solid var(--rule);
      border-radius: var(--radius-sm);
      transition: all var(--duration-fast) var(--ease);
    }
    .choix-skin-btn[aria-pressed="true"] {
      color: var(--brand);
      background: var(--brand-soft);
      border-color: var(--brand);
    }


    /* ══════════════════════════════════════════
       HERO
    ══════════════════════════════════════════ */
    .hero {
      padding: 180px 0 120px;
      text-align: center;
      animation: heroIn 0.9s var(--ease) both;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--brand-soft);
      border: 1px solid var(--brand);
      border-radius: 999px;
      padding: 6px 18px;
      font-size: var(--size-sm);
      font-weight: var(--weight-medium);
      color: var(--brand);
      margin-bottom: 40px;
      animation: heroIn 0.9s var(--ease) 0.1s both;
    }

    .hero-title {
      font-size: var(--size-3xl);
      font-weight: var(--weight-strong);
      line-height: 1.08;
      letter-spacing: -0.04em;
      color: var(--text-strong);
      max-width: 900px;
      margin: 0 auto 28px;
      animation: heroIn 0.9s var(--ease) 0.15s both;
    }

    .hero-title em {
      font-style: normal;
      color: var(--brand);
    }

    .hero-audience {
      max-width: 720px;
      margin: 14px auto 0;
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.6;
    }
    .hero-sub {
      font-size: var(--size-lg);
      color: var(--text-muted);
      line-height: 1.75;
      max-width: 620px;
      margin: 0 auto 52px;
      animation: heroIn 0.9s var(--ease) 0.2s both;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 60px;
      animation: heroIn 0.9s var(--ease) 0.25s both;
    }

    .hero-proof {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      animation: heroIn 0.9s var(--ease) 0.3s both;
    }

    .proof-item {
      display: flex;
      align-items: center;
      gap: 7px;
      font-size: var(--size-sm);
      color: var(--text-faint);
      font-weight: var(--weight-medium);
    }
    .proof-item i { color: var(--brand); font-size: var(--size-sm); }

    .proof-stars { color: var(--brand); letter-spacing: 2px; font-size: var(--size-sm); }

    .proof-sep { width: 1px; height: 16px; background: var(--rule); }


    /* ══════════════════════════════════════════
       S3 : DOULEUR
    ══════════════════════════════════════════ */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pain-card {
      background: var(--bg-raised);
      border: 1px solid var(--rule);
      border-radius: var(--radius-lg);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      padding: 40px 32px;
      position: relative;
      overflow: hidden;
      transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
    }
    .pain-card:hover {
      transform: translateY(-4px);
      border-color: var(--brand);
    }

    .pain-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--brand), transparent);
      opacity: 0.5;
    }

    .pain-number {
      /* 14/09 : des mots, plus des chiffres inventés (Grégory) : un cran sous la taille des chiffres. */
      font-size: var(--size-2xl);
      font-weight: var(--weight-strong);
      color: var(--brand);
      line-height: 1;
      margin-bottom: 14px;
      letter-spacing: -0.04em;
    }

    .pain-label {
      font-size: var(--size-md);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: 10px;
    }

    .pain-desc {
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.65;
    }


    /* ══════════════════════════════════════════
       S4 : SOLUTION (STEPPER)
    ══════════════════════════════════════════ */
    .solution-section { background: rgba(15,23,42,0.25); }

    .stepper {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      position: relative;
    }

    .stepper::before {
      content: '';
      position: absolute;
      top: 28px;
      left: calc(16.66% + 28px);
      right: calc(16.66% + 28px);
      height: 2px;
      background: var(--brand);
      opacity: 0.4;
      z-index: 0;
    }

    .step {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 0 28px;
      position: relative;
      z-index: 1;
    }

    .step-num {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: var(--brand);
      color: var(--text-on-brand);
      font-size: var(--size-lg);
      font-weight: var(--weight-strong);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 28px;
      flex-shrink: 0;
    }

    .step-icon {
      font-size: var(--size-2xl);
      color: var(--brand);
      margin-bottom: 16px;
      opacity: 0.85;
    }

    .step-title {
      font-size: var(--size-lg);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: 12px;
    }

    .step-desc {
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.65;
    }

    .demo-callout {
      margin: 48px auto 0;
      max-width: 680px;
      background: var(--ok-soft);
      border: 1px solid var(--ok);
      border-radius: 16px;
      padding: 28px 36px;
      display: flex;
      align-items: center;
      gap: 20px;
      backdrop-filter: blur(8px);
    }
    .demo-callout-icon {
      font-size: var(--size-2xl);
      color: var(--ok);
      flex-shrink: 0;
    }
    .demo-callout-label {
      display: block;
      font-size: var(--size-xs);
      font-weight: var(--weight-strong);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--ok);
      margin-bottom: 6px;
    }
    .demo-callout-text {
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }
    .demo-callout-phone {
      color: var(--ok);
      font-weight: var(--weight-strong);
      font-size: var(--size-md);
      text-decoration: none;
      letter-spacing: 0.02em;
    }
    .demo-callout-phone:hover { text-decoration: underline; }
    @media (max-width: 600px) {
      .demo-callout { flex-direction: column; text-align: center; padding: 24px 20px; }
    }


    /* ══════════════════════════════════════════
       S5 : BÉNÉFICES
    ══════════════════════════════════════════ */
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .benefit-card {
      background: var(--bg-raised);
      border: 1px solid var(--rule);
      border-radius: var(--radius-lg);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      padding: 36px 32px;
      display: flex;
      gap: 24px;
      align-items: flex-start;
      transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
    }
    .benefit-card:hover {
      transform: translateY(-3px);
      border-color: var(--brand);
    }

    .benefit-icon {
      width: 52px;
      height: 52px;
      background: var(--brand-soft);
      border: 1px solid var(--brand);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand);
      font-size: var(--size-lg);
      flex-shrink: 0;
    }

    .benefit-content h3 {
      font-size: var(--size-md);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: 8px;
    }

    .benefit-content p {
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.65;
    }

    .benefit-highlight {
      font-size: var(--size-xs);
      font-weight: var(--weight-strong);
      color: var(--brand);
      margin-top: 10px;
    }


    /* ══════════════════════════════════════════
       S6 : PREUVE SOCIALE
    ══════════════════════════════════════════ */
    .testimonial-section { background: rgba(15,23,42,0.25); }

    .testimonial-card {
      max-width: 780px;
      margin: 0 auto;
      background: var(--bg-raised);
      border: 1px solid var(--brand);
      border-radius: var(--radius-lg);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      padding: 56px 60px;
      position: relative;
      box-shadow: var(--shadow-raised);
    }

    .quote-mark {
      display: block;
      font-size: var(--size-3xl);
      line-height: 0.7;
      color: var(--brand);
      opacity: 0.25;
      font-family: var(--font-body);
      margin-bottom: 28px;
    }

    .testimonial-text {
      font-size: var(--size-lg);
      font-weight: var(--weight-medium);
      color: var(--text-strong);
      line-height: 1.6;
      margin-bottom: 40px;
      font-style: italic;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .author-avatar {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--brand-soft);
      border: 2px solid var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand);
      font-size: var(--size-lg);
      flex-shrink: 0;
    }

    .author-name {
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
    }

    .author-role { font-size: var(--size-sm); color: var(--text-muted); }

    .author-stars {
      margin-left: auto;
      color: var(--brand);
      font-size: var(--size-lg);
      letter-spacing: 3px;
    }

    .testimonial-stats {
      display: flex;
      gap: 0;
      margin-top: 72px;
      border-top: 1px solid var(--rule);
      padding-top: 48px;
    }

    .stat-item {
      flex: 1;
      text-align: center;
      padding: 0 24px;
      border-right: 1px solid var(--rule);
    }
    .stat-item:last-child { border-right: none; }

    .stat-val {
      font-size: var(--size-2xl);
      font-weight: var(--weight-strong);
      color: var(--brand);
      letter-spacing: -0.04em;
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label { font-size: var(--size-sm); color: var(--text-muted); }


    /* ══════════════════════════════════════════
       S7 : TARIF
    ══════════════════════════════════════════ */
    .pricing-wrap {
      display: flex;
      justify-content: center;
    }

    .pricing-card {
      width: 100%;
      max-width: 520px;
      background: var(--bg-raised);
      border: 1px solid var(--brand);
      border-radius: var(--radius-lg);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      padding: 56px 52px;
      text-align: center;
      box-shadow: var(--shadow-raised);
      position: relative;
    }

    .pricing-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--brand);
      color: var(--text-on-brand);
      font-size: var(--size-xs);
      font-weight: var(--weight-strong);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 5px 20px;
      border-radius: 999px;
      white-space: nowrap;
    }

    .pricing-price {
      font-size: var(--size-3xl);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      letter-spacing: -0.05em;
      line-height: 1;
      margin-bottom: 6px;
    }
    .pricing-price sup {
      font-size: 0.33em;
      font-weight: var(--weight-strong);
      color: var(--text-muted);
      position: relative;
      top: -0.45em;
      vertical-align: baseline;
    }
    .pricing-price sub {
      font-size: 0.25em;
      font-weight: var(--weight-medium);
      color: var(--text-muted);
      position: relative;
      bottom: 0em;
      vertical-align: baseline;
    }

    .pricing-desc {
      font-size: var(--size-sm);
      color: var(--text-faint);
      margin-bottom: 28px;
    }

    .pricing-roi {
      background: var(--brand-soft);
      border: 1px solid var(--brand);
      border-radius: var(--radius-md);
      padding: 14px 20px;
      margin-bottom: 32px;
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      color: var(--brand);
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 40px;
      text-align: left;
    }

    .pricing-features li {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 11px 0;
      border-bottom: 1px solid var(--rule);
      font-size: var(--size-sm);
      color: var(--text-muted);
    }
    .pricing-features li:last-child { border-bottom: none; }
    .pricing-features li i { color: var(--ok); font-size: var(--size-md); flex-shrink: 0; }

    .pricing-note {
      font-size: var(--size-xs);
      color: var(--text-faint);
      margin-top: 16px;
    }


    /* ══════════════════════════════════════════
       S8 : FAQ
    ══════════════════════════════════════════ */
    .faq-list {
      max-width: 720px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--bg-raised);
      border: 1px solid var(--rule);
      border-radius: var(--radius-md);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      overflow: hidden;
      transition: border-color var(--duration) var(--ease);
    }
    .faq-item.open { border-color: var(--brand); }

    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 22px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      cursor: pointer;
      color: var(--text-strong);
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      text-align: left;
      font-family: var(--font-body);
      transition: color var(--duration) var(--ease);
    }
    .faq-question:hover { color: var(--brand); }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--brand-soft);
      border: 1px solid var(--brand);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand);
      font-size: var(--size-sm);
      flex-shrink: 0;
      transition: transform 0.3s var(--ease);
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s var(--ease);
    }

    .faq-answer-inner {
      padding: 0 24px 22px;
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.75;
    }


    /* ══════════════════════════════════════════
       S9 : CTA FINAL
    ══════════════════════════════════════════ */
    .cta-final { padding: 120px 0; }

    .cta-final-card {
      background: var(--bg-raised);
      border: 1px solid var(--brand);
      border-radius: var(--radius-lg);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      padding: 88px 60px;
      text-align: center;
      box-shadow: var(--shadow-raised);
      position: relative;
      overflow: hidden;
    }

    .cta-final-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--brand), transparent);
    }

    .cta-final-title {
      font-size: var(--size-2xl);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      letter-spacing: -0.035em;
      line-height: 1.12;
      margin-bottom: 20px;
    }

    .cta-final-sub {
      font-size: var(--size-sm);
      color: var(--text-muted);
      margin-bottom: 44px;
    }

    .cta-final-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .cta-reassurance {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .reassurance-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: var(--size-sm);
      color: var(--text-faint);
    }
    .reassurance-item i { color: var(--ok); font-size: var(--size-sm); }


    /* ══════════════════════════════════════════
       FOOTER
    ══════════════════════════════════════════ */
    footer {
      border-top: 1px solid var(--rule);
      padding: 48px 0;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .footer-tagline {
      font-size: var(--size-xs);
      color: var(--text-faint);
      margin-top: 5px;
    }

    .footer-links {
      display: flex;
      gap: 24px;
      list-style: none;
    }

    .footer-links a {
      font-size: var(--size-sm);
      color: var(--text-faint);
      text-decoration: none;
      transition: color var(--duration) var(--ease);
    }
    .footer-links a:hover { color: var(--text-muted); }

    .footer-copy { font-size: var(--size-xs); color: var(--text-faint); white-space: nowrap; }

    /* Rang du bas : un filet sur toute la largeur, le copyright à gauche, la note à droite. */
    .footer-bas {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid var(--rule);
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 32px;
      flex-wrap: wrap;
    }
    .footer-bas .footnote { margin: 0; padding: 0; border: 0; max-width: 62ch; text-align: right; }

    /* Renvoi de note : l'astérisque des mentions « actif sous 48h ». Discret,
       mais jamais au point d'être illisible : c'est une réserve contractuelle. */
    .fn-ref {
      font-size: 0.7em;
      line-height: 0;
      vertical-align: super;
      color: var(--text-faint);
      margin-left: 1px;
    }

    .footnote {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid var(--rule);
      font-size: var(--size-xs);
      line-height: 1.5;
      color: var(--text-faint);
      max-width: 62ch;
    }


    /* ══════════════════════════════════════════
       VOLUME DES CARTES (14/09, Grégory : « donne du volume, regarde la landing de LINK »)
       La recette de LINK, sur les jetons Clara : deux fonds superposés, le premier
       remplit la carte d'un dégradé diagonal (éclairée en haut à gauche), le second
       ne peint que la bordure, en dégradé diagonal lui aussi (marque en haut à
       gauche, fondu au milieu, reprise plus douce en bas à droite). Puis un reflet
       d'un pixel en haut, un trait d'ombre en bas, une grande ombre douce.
    ══════════════════════════════════════════ */
    .pain-card, .offer-card, .testimonial-card, .cta-final-card, .faq-item, .demo-callout {
      border: 1px solid transparent;
      background:
        linear-gradient(160deg, color-mix(in srgb, var(--brand-soft) 55%, var(--bg-raised)) 0%, var(--bg-raised) 45%, color-mix(in srgb, var(--bg-sunken) 70%, var(--bg-raised)) 100%) padding-box,
        linear-gradient(145deg, var(--brand) 0%, color-mix(in srgb, var(--brand) 35%, var(--rule)) 40%, color-mix(in srgb, var(--rule-strong) 80%, transparent) 65%, color-mix(in srgb, var(--brand) 55%, transparent) 100%) border-box;
      box-shadow:
        0 18px 48px -8px rgba(0, 0, 0, 0.22),
        0 2px 6px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 color-mix(in srgb, var(--bg-page) 90%, transparent),
        inset 0 -1px 0 rgba(0, 0, 0, 0.14);
      transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    }
    .pain-card:hover, .offer-card:hover {
      transform: translateY(-6px);
      box-shadow:
        0 30px 64px -12px rgba(0, 0, 0, 0.32),
        0 0 32px color-mix(in srgb, var(--brand) 12%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--bg-page) 90%, transparent),
        inset 0 -1px 0 rgba(0, 0, 0, 0.12);
    }
    /* Les cartes qui portent une couleur : la bordure diagonale la prend entière, le halo aussi. */
    .offer-card.recommended, .testimonial-card, .cta-final-card, .faq-item.open {
      background:
        linear-gradient(160deg, color-mix(in srgb, var(--brand-soft) 70%, var(--bg-raised)) 0%, var(--bg-raised) 50%, color-mix(in srgb, var(--bg-sunken) 40%, var(--bg-raised)) 100%) padding-box,
        linear-gradient(145deg, var(--brand) 0%, color-mix(in srgb, var(--brand) 25%, transparent) 45%, color-mix(in srgb, var(--brand) 60%, transparent) 100%) border-box;
    }
    .offer-card.recommended {
      box-shadow:
        0 18px 48px -8px rgba(0, 0, 0, 0.22),
        0 0 56px color-mix(in srgb, var(--brand) 30%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--bg-page) 75%, transparent),
        inset 0 -1px 0 rgba(0, 0, 0, 0.12);
    }
    .demo-callout {
      background:
        linear-gradient(160deg, color-mix(in srgb, var(--ok-soft) 80%, var(--bg-raised)) 0%, var(--ok-soft) 100%) padding-box,
        linear-gradient(145deg, var(--ok) 0%, color-mix(in srgb, var(--ok) 25%, transparent) 45%, color-mix(in srgb, var(--ok) 60%, transparent) 100%) border-box;
    }

    /* ══════════════════════════════════════════
       RESPONSIVE
    ══════════════════════════════════════════ */
    @media (max-width: 768px) {
      section { padding: 72px 0; }

      .navbar-links { display: none; }

      /* La barre déborderait avec les 3 libellés + le CTA sur un écran
         étroit : mêmes seuil et mécanique que .navbar-links ci-dessus.
         Les boutons restent visibles et cliquables (icône seule), le CTA
         garde tout son texte, lui n'a pas cette marge de manœuvre. */
      .choix-skin-texte { display: none; }
      .choix-skin-btn {
        padding: var(--space-1);
        min-width: var(--space-12);
        min-height: var(--space-12);
        justify-content: center;
      }

      .hero { padding: 140px 0 80px; }
      .hero-actions { flex-direction: column; align-items: center; }
      .btn-primary, .btn-secondary { width: 100%; justify-content: center; }

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

      .stepper { grid-template-columns: 1fr; gap: 40px; }
      .stepper::before { display: none; }
      .step { flex-direction: row; align-items: flex-start; text-align: left; gap: 20px; }
      .step-num { margin-bottom: 0; width: 44px; height: 44px; font-size: var(--size-md); }

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

      .testimonial-card { padding: 36px 28px; }
      .author-stars { display: none; }
      .testimonial-stats { flex-wrap: wrap; }
      .stat-item { min-width: 50%; border-right: none; border-bottom: 1px solid var(--rule); padding: 20px 0; }
      .stat-item:last-child { border-bottom: none; }

      .pricing-card { padding: 44px 28px; }

      .cta-final-card { padding: 56px 28px; }
      .cta-final-actions { flex-direction: column; align-items: stretch; }

      .footer-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
      .footer-bas { flex-direction: column; align-items: flex-start; gap: 12px; }
      .footer-bas .footnote { text-align: left; }
    }

    /* ══════════════════════════════════════════
       PROTO BADGES : preuve sociale
    ══════════════════════════════════════════ */
    .proto-badges {
      display: flex;
      gap: 32px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .proto-badge-item { max-width: 180px; text-align: center; }
    .proto-badge-icon {
      width: 48px;
      height: 48px;
      background: var(--brand-soft);
      border: 1px solid var(--brand);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand);
      font-size: var(--size-lg);
      margin: 0 auto 12px;
    }
    .proto-badge-title {
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: 6px;
    }
    .proto-badge-desc { font-size: var(--size-sm); color: var(--text-muted); line-height: 1.5; }

    /* ══════════════════════════════════════════
       S7 : OFFRES (carte de lancement, puis tarifs prévus barrés)
    ══════════════════════════════════════════ */
    .offers-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 32px;
    }
    .offers-grid-2 { max-width: 56rem; margin-inline: auto; grid-template-columns: repeat(2, 1fr); }
    .offer-conso { margin: 8px 0 4px; display: grid; gap: 4px; color: var(--text); }
    .offer-conso-ligne strong { font-size: 1.1em; color: var(--text-strong); }
    .offer-price-devis { font-size: var(--size-2xl); }
    .btn-devis { background: var(--bg-raised); color: var(--text); border: 1px solid var(--rule); }
    .offer-card {
      background: var(--bg-raised);
      border: 1px solid var(--rule);
      border-radius: var(--radius-lg);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      padding: 48px 32px 40px;
      text-align: center;
      position: relative;
      transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
      display: flex;
      flex-direction: column;
    }
    .offer-card:hover { transform: translateY(-4px); }
    .offer-card.recommended {
      border-color: var(--brand);
      box-shadow: var(--shadow-raised), 0 0 60px var(--brand);
    }
    .offer-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--brand);
      color: var(--text-on-brand);
      font-size: var(--size-xs);
      font-weight: var(--weight-strong);
      letter-spacing: 0.1em;
      text-transform: uppercase;
      padding: 5px 20px;
      border-radius: 999px;
      white-space: nowrap;
    }
    .offer-name {
      font-size: var(--size-xs);
      font-weight: var(--weight-strong);
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .offer-price {
      font-size: var(--size-3xl);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      letter-spacing: -0.05em;
      line-height: 1;
      margin-bottom: 4px;
    }
    .offer-price sup {
      font-size: 0.35em;
      font-weight: var(--weight-strong);
      color: var(--text-muted);
      position: relative;
      top: -0.5em;
      vertical-align: baseline;
      letter-spacing: 0;
      margin-right: 8px;
    }
    .offer-price sub {
      font-size: 0.28em;
      font-weight: var(--weight-medium);
      color: var(--text-muted);
      vertical-align: baseline;
      letter-spacing: 0.05em;
      margin-left: 4px;
    }
    .offer-volume { font-size: var(--size-sm); color: var(--brand); font-weight: var(--weight-strong); margin-bottom: 4px; }
    .offer-surplus { font-size: var(--size-xs); color: var(--text-faint); margin-bottom: 28px; }
    /* ── Tarifs prévus, barrés : ce que les trois premiers ne paient pas ──
       Le barré est une valeur de référence à venir, pas une remise passée :
       .offer-price-note porte cette mention et doit rester lisible sous le prix. */
    .offers-after { text-align: center; margin-bottom: var(--space-8); }
    .offers-after-title {
      font-family: var(--font-display);
      font-size: var(--size-xl);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: var(--space-2);
    }
    .offers-after-sub {
      font-size: var(--size-sm);
      color: var(--text-muted);
      max-width: 34rem;
      margin-inline: auto;
    }
    .offer-price-duo {
      display: flex;
      align-items: baseline;
      justify-content: center;
      gap: var(--space-3);
      margin-bottom: var(--space-1);
    }
    .offer-price-prevu {
      font-size: var(--size-lg);
      font-weight: var(--weight-medium);
      color: var(--text-faint);
      text-decoration-thickness: 2px;
    }
    .offer-price-free {
      font-size: var(--size-2xl);
      font-weight: var(--weight-strong);
      color: var(--ok);
      letter-spacing: -0.05em;
      line-height: var(--leading-tight);
    }
    .offer-price-note {
      font-size: var(--size-xs);
      color: var(--text-muted);
      margin-bottom: var(--space-4);
    }
    .compare-table s { color: var(--text-faint); }
    .offer-features {
      list-style: none;
      text-align: left;
      margin-bottom: 24px;
      flex: 1;
    }
    .offer-features li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 9px 0;
      border-bottom: 1px solid var(--rule);
      font-size: var(--size-sm);
      color: var(--text-muted);
      line-height: 1.5;
    }
    .offer-features li:last-child { border-bottom: none; }
    .offer-features li i { color: var(--ok); font-size: var(--size-sm); flex-shrink: 0; margin-top: 1px; }
    .offer-features li strong { color: var(--text-strong); font-weight: var(--weight-medium); }
    /* Le <span> est indispensable : sans lui, le texte nu placé après <strong>
       devient un flex item anonyme distinct, séparé par le gap, et chaque
       fragment se replie de son côté. Un seul enfant texte, une seule colonne. */
    .offer-features li > span { flex: 1; min-width: 0; }
    .offer-features li > span strong { display: block; }
    .offer-perso {
      background: var(--brand-soft);
      border: 1px solid var(--brand);
      border-radius: var(--radius-md);
      padding: 10px 14px;
      font-size: var(--size-xs);
      color: var(--brand);
      font-weight: var(--weight-medium);
      margin-bottom: 20px;
      line-height: 1.5;
      text-align: left;
    }

    /* Tableau comparatif */
    .compare-toggle { text-align: center; margin-bottom: 12px; }
    .compare-btn {
      background: none;
      border: 1px solid var(--rule);
      color: var(--text-muted);
      padding: 10px 24px;
      border-radius: 999px;
      font-size: var(--size-sm);
      font-weight: var(--weight-medium);
      cursor: pointer;
      transition: var(--duration) var(--ease);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-body);
    }
    .compare-btn:hover { border-color: var(--brand); color: var(--brand); }
    .compare-table-wrap {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s var(--ease);
    }
    .compare-table-wrap.open { max-height: 700px; }
    .compare-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
    .compare-table th, .compare-table td {
      padding: 14px 16px;
      text-align: center;
      font-size: var(--size-sm);
      border-bottom: 1px solid var(--rule);
    }
    .compare-table th {
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      font-size: var(--size-xs);
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }
    .compare-table th:first-child, .compare-table td:first-child { text-align: left; color: var(--text-muted); }
    .compare-table td { color: var(--text-muted); }
    .compare-table tr:last-child th, .compare-table tr:last-child td { border-bottom: none; }
    .compare-table th.highlight, .compare-table td.highlight { color: var(--brand); font-weight: var(--weight-strong); }
    .offer-note { text-align: center; font-size: var(--size-xs); color: var(--text-faint); margin-top: 20px; }

    /* Responsive offres + badges */
    @media (max-width: 900px) {
      .offers-grid, .offers-grid-2 { grid-template-columns: 1fr; }
      .compare-table { font-size: var(--size-xs); }
      .compare-table th, .compare-table td { padding: 10px 8px; }
    }
    @media (max-width: 768px) {
      .proto-badges { gap: 20px; }
      .proto-badge-item { max-width: 140px; }
    }

    /* ── Signup Modal Styles ── */
    .modal-overlay {
      position: fixed;
      inset: 0;
      z-index: 2000;
      background: rgba(4, 7, 13, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      display: flex;
      align-items: flex-start;
      justify-content: center;
      overflow-y: auto;
      padding: 24px 16px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
      padding: 20px;
    }

    .modal-overlay.open {
      opacity: 1;
      pointer-events: all;
    }

    .modal-card {
      background: var(--bg-raised);
      border: 1px solid var(--rule);
      border-radius: var(--radius-lg);
      width: 100%;
      max-width: 500px;
      margin: auto;
      position: relative;
      transform: translateY(24px) scale(0.96);
      transition: transform 0.35s var(--ease);
      box-shadow: var(--shadow-raised);
      backdrop-filter: var(--blur-surface);
      -webkit-backdrop-filter: var(--blur-surface);
      overflow: hidden;
    }

    .modal-overlay.open .modal-card {
      transform: translateY(0) scale(1);
    }

    .modal-close {
      position: absolute;
      top: 16px;
      right: 16px;
      background: none;
      border: none;
      color: var(--text-faint);
      font-size: var(--size-xl);
      cursor: pointer;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--duration) var(--ease);
      z-index: 10;
    }

    .modal-close:hover {
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-strong);
    }

    .modal-body {
      padding: 36px;
    }

    .modal-header {
      text-align: center;
      margin-bottom: 28px;
    }

    .modal-title-icon {
      font-size: var(--size-xl);
      color: var(--brand);
      margin-bottom: 10px;
      display: inline-block;
    }

    .modal-header h2 {
      font-size: var(--size-lg);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: 6px;
    }

    .modal-header p {
      color: var(--text-muted);
      font-size: var(--size-sm);
    }

    .signup-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-row-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    @media (max-width: 480px) {
      .form-row-2 {
        grid-template-columns: 1fr;
        gap: 16px;
      }
    }

    .form-group label {
      color: var(--text);
      font-size: var(--size-xs);
      font-weight: var(--weight-medium);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .form-group input,
    .form-group select {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--rule);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      color: var(--text-strong);
      font-size: var(--size-sm);
      outline: none;
      transition: var(--duration) var(--ease);
      width: 100%;
    }

    .form-group input:focus,
    .form-group select:focus {
      border-color: var(--brand);
      background: rgba(255, 255, 255, 0.04);
    }

    .form-group select option {
      background: var(--bg-page);
      color: var(--text-strong);
    }

    .btn-submit {
      background: var(--brand);
      color: var(--text-on-brand);
      border: none;
      border-radius: var(--radius-sm);
      padding: 14px;
      font-size: var(--size-sm);
      font-weight: var(--weight-strong);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--duration) var(--ease);
      margin-top: 8px;
      width: 100%;
    }

    .btn-submit:hover {
      background: var(--brand-strong);
      transform: translateY(-2px);
    }

    .btn-submit:active {
      transform: translateY(-1px);
    }

    .btn-submit:disabled {
      background: var(--text-faint);
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }

    /* Success state */
    .form-group textarea {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--rule);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      color: var(--text-strong);
      font-size: var(--size-sm);
      outline: none;
      transition: var(--duration) var(--ease);
      width: 100%;
      resize: vertical;
      font-family: var(--font-body);
      min-height: 80px;
    }
    .form-group textarea:focus {
      border-color: var(--brand);
      background: rgba(255, 255, 255, 0.04);
    }
    .form-hint { font-size: var(--size-xs); color: var(--text-faint); margin-top: 2px; }

    .success-state {
      text-align: center;
      padding: 10px 0;
      animation: heroIn 0.5s ease forwards;
    }

    .success-icon {
      width: 56px;
      height: 56px;
      background: var(--ok-soft);
      border: 1px solid var(--ok);
      color: var(--ok);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: var(--size-xl);
      margin: 0 auto 20px;
    }

    .success-state h3 {
      font-size: var(--size-lg);
      font-weight: var(--weight-strong);
      color: var(--text-strong);
      margin-bottom: 10px;
    }

    .success-state > p {
      color: var(--text-muted);
      font-size: var(--size-sm);
      margin-bottom: 24px;
    }

    .success-box {
      background: rgba(255, 255, 255, 0.01);
      border: 1px solid var(--rule);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: left;
    }

    .success-box p {
      color: var(--text);
      font-size: var(--size-sm);
      margin-bottom: 10px;
    }

    .success-box ol {
      padding-left: 18px;
      color: var(--text-muted);
      font-size: var(--size-sm);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }