:root {
      --bg: #FAFBFC; --surface: #FFFFFF; --ink: #0F172A; --ink-soft: #475569; --ink-faint: #94A3B8;
      --line: #E2E8F0; --green: #10B981; --green-ink: #047857; --green-soft: #D1FAE5;
      --blue: #3B82F6; --blue-ink: #1E40AF; --blue-soft: #DBEAFE;
      --font-display: 'Outfit', sans-serif; --font-body: 'DM Sans', sans-serif;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-body); background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
    a { text-decoration: none; }

    header { padding: 24px 40px; }
    .header-inner { display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--font-display); font-weight: 800; font-size: 20px; }
    .logo img { width: 34px; height: auto; }
    .btn-login { border: 1.5px solid var(--line); border-radius: 999px; padding: 10px 22px; color: var(--ink-soft); font-weight: 600; font-size: 14px; transition: all 0.2s ease; }
    .btn-login:hover { border-color: var(--ink); color: var(--ink); }

    .hero { max-width: 760px; margin: 0 auto; text-align: center; padding: 60px 24px 40px; }
    .hero .badge { display: inline-block; background: var(--green-soft); color: var(--green-ink); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 20px; }
    .hero h1 { font-family: var(--font-display); font-size: clamp(28px, 5vw, 44px); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
    .hero h1 span { color: var(--green-ink); }
    .hero p { color: var(--ink-soft); font-size: 17px; line-height: 1.6; margin-bottom: 32px; }
    .hero-ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
    .btn-primary { background: var(--green); color: white; padding: 14px 28px; border-radius: 10px; font-weight: 700; font-size: 15px; transition: all 0.2s; }
    .btn-primary:hover { background: var(--green-ink); transform: translateY(-2px); }
    .btn-secondary-link { color: var(--ink-soft); font-weight: 600; font-size: 15px; padding: 14px 10px; }
    .btn-secondary-link:hover { color: var(--ink); }

    main { max-width: 1000px; margin: 0 auto; padding: 20px 24px 80px; }

    .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 60px 0; }
    .step { background: var(--surface); border: 2px solid var(--line); border-radius: 18px; padding: 28px; }
    .step-num { width: 36px; height: 36px; border-radius: 50%; background: var(--green-soft); color: var(--green-ink); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; margin-bottom: 16px; }
    .step h3 { font-family: var(--font-display); font-size: 17px; margin-bottom: 8px; }
    .step p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }

    .features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 60px 0; }
    .feature { display: flex; gap: 16px; padding: 24px; background: var(--surface); border: 2px solid var(--line); border-radius: 16px; }
    .feature-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--blue-soft); color: var(--blue-ink); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 20px; }
    .feature h4 { font-family: var(--font-display); font-size: 15.5px; margin-bottom: 6px; }
    .feature p { color: var(--ink-soft); font-size: 14px; line-height: 1.5; }

    .rgpd-note { background: var(--blue-soft); border: 1.5px solid var(--blue); border-radius: 16px; padding: 24px 28px; margin: 60px 0; }
    .rgpd-note h3 { font-family: var(--font-display); color: var(--blue-ink); font-size: 16px; margin-bottom: 8px; }
    .rgpd-note p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.6; }

    .cta-final { text-align: center; padding: 50px 24px; background: var(--surface); border: 2px solid var(--line); border-radius: 24px; margin-top: 40px; }
    .cta-final h2 { font-family: var(--font-display); font-size: 26px; margin-bottom: 12px; }
    .cta-final p { color: var(--ink-soft); margin-bottom: 24px; }

    /* --- Argumentaire « Pourquoi nous » (08/09/2026) --------------------- */
    .why { margin-top: 56px; }
    .why h2 { font-family: var(--font-display); font-size: 27px; font-weight: 800; text-align: center; margin-bottom: 10px; }
    .why-intro { text-align: center; color: var(--ink-soft); font-size: 16px; line-height: 1.6; max-width: 640px; margin: 0 auto 32px; }
    .why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .why-card { background: var(--surface); border: 1.5px solid var(--line); border-radius: 18px; padding: 28px 26px; position: relative; }
    .why-num { display: block; font-family: var(--font-display); font-size: 13px; font-weight: 800; letter-spacing: 0.08em; color: var(--green-ink); margin-bottom: 10px; }
    .why-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; line-height: 1.35; margin-bottom: 10px; color: var(--ink); }
    .why-card p { color: var(--ink-soft); font-size: 14.8px; line-height: 1.65; }
    .why-card strong { color: var(--ink); font-weight: 700; }

    @media (max-width: 720px) {
      .steps, .features { grid-template-columns: 1fr; }
      header { padding: 20px; }
      .why-grid { grid-template-columns: 1fr; }
      .why h2 { font-size: 23px; }
    }