/* ======================================================= */
/*                 VARIABLES & PALETTE                     */
/* ======================================================= */
/* Mode Light (défaut) */
:root {
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f9f9f9;
    --gray-200: #eeeeee;
    --gray-300: #dddddd;
    --gray-500: #777777;
    --transition: 0.3s ease-in-out;
  }
  
  /* Mode Dark (toggle) */
  html[data-theme="dark"] {
    --white: #000000;
    --black: #ffffff;
    --gray-100: #121212;
    --gray-200: #1e1e1e;
    --gray-300: #2a2a2a;
    --gray-500: #bbbbbb;
  }
  
  /* Couleurs d’accent (noir/blanc) */
  :root {
    --accent: var(--black);
    --accent-hover: var(--gray-300);
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-100);
    --text-primary: var(--black);
    --text-secondary: var(--gray-500);
    --card-bg: var(--white);
    --border-color: var(--gray-200);
  }
  html[data-theme="dark"] {
    --accent: var(--white);
    --accent-hover: var(--gray-300);
    --bg-primary: var(--black);
    --bg-secondary: var(--gray-100);
    --text-primary: var(--white);
    --text-secondary: var(--gray-500);
    --card-bg: var(--gray-200);
    --border-color: var(--gray-300);
  }
  
  /* ======================================================= */
  /*              RESET & TYPOGRAPHIE GÉNÉRALE               */
  /* ======================================================= */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
    font-family: 'Poppins', sans-serif;
  }
  body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 18px;
    overflow-x: hidden;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  ul {
    list-style: none;
  }
  img {
    display: block;
    max-width: 100%;
  }
  
  /* ======================================================= */
  /*               BARRE DE PROGRESSION LOADING              */
  /* ======================================================= */
  #progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    width: 0%;
    background-color: var(--accent);
    z-index: 9999;
    transition: width 1s ease-out, opacity 0.3s ease-out;
  }
  
  /* ======================================================= */
  /*                     HEADER                              */
  /* ======================================================= */
  
  /* Barre d’annonce (top-bar) */
  .top-bar {
    background-color: var(--accent);
    color: var(--bg-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6px 10px;
  }
  .top-bar p {
    margin-right: 12px;
  }
  .top-bar-link {
    font-weight: 600;
    text-decoration: underline;
    margin-right: 12px;
  }
  .top-bar-close {
    position: absolute;
    right: 12px;
    top: 6px;
    background: transparent;
    border: none;
    color: var(--bg-primary);
    font-size: 1.2rem;
    cursor: pointer;
  }
  
  /* Header principal */
  header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .header-container {
    max-width: 1200px;
    margin: auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .logo {
    max-width: 140px;
  }
  
  /* Navigation */
  .nav-list {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 1rem;
    font-weight: 500;
  }
  .nav-list a {
    position: relative;
    padding: 4px 0;
  }
  .nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition);
  }
  .nav-list a:hover::after {
    width: 100%;
  }
  
  /* Boutons */
  .header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .btn-text {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background var(--transition), color var(--transition);
  }
  .btn-text:hover {
    background-color: var(--accent-hover);
    color: var(--bg-primary);
  }
  .btn-signup {
    display: inline-block;
    padding: 14px 28px !important;
    background-color: var(--accent);
    color: var(--bg-primary);
    border-radius: 30px;
    font-weight: 600;
    transition: background var(--transition), color var(--transition);
    font-size: 1rem;
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.2;
    border: none;
  }
  
  .btn-signup:hover {
    background-color: var(--accent-hover);
    color: black;
  }

  #theme-toggle {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    color: var(--accent);
    cursor: pointer;
    padding: 6px;
  }
  
  /* ======================================================= */
  /*                      HERO                                */
  /* ======================================================= */
  .hero {
    background-color: var(--bg-secondary);
    padding: 100px 20px 120px;
  }
  .hero-content {
    max-width: 1200px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: center;
    gap: 48px;
  }
  .hero-text {
    text-align: left;
  }
  .hero-overline {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }
  .hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-primary);
  }
  .hero-subtitle {
    font-size: 1.125rem;
    font-weight: 300;
    margin-bottom: 36px;
    color: var(--text-secondary);
    max-width: 520px;
  }
  .hero-buttons {
    display: flex;
    gap: 16px;
  }
  .btn-primary {
    display: inline-block;
    padding: 14px 28px ; 
    background-color: var(--accent);
    color: var(--bg-primary);
    border-radius: 30px;
    font-weight: 600;
    transition: background var(--transition), color var(--transition);
  }
  .btn-primary:hover {
    background-color: var(--accent-hover);
    color: black;
  }
  /* Désactivation du second bouton (supprimé dans HTML) */
  .btn-secondary {
    display: none;
  }
  
  /* Conteneur unique pour l’image à droite */
  .hero-image-container {
    text-align: right;
  }
  .hero-image {
    width: 100%;
    max-width: 1500px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  }
  
  /* ======================================================= */
  /*                    PARTENAIRES                          */
  /* ======================================================= */
  .partners {
    background-color: var(--bg-primary);
    padding: 60px 20px;
  }
  .partners-title p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 24px;
    text-align: center;
  }
  .partners-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
    align-items: center;
  }
  .partners-logos img {
    max-height: 40px;
    opacity: 0.7;
    transition: opacity var(--transition);
  }
  .partners-logos img:hover {
    opacity: 1;
  }
  
  /* ======================================================= */
  /*                     ACCROCHE / VALEURS                   */
  /* ======================================================= */
  .values {
    background-color: var(--gray-100);
    padding: 80px 20px;
  }
  .values-header {
    max-width: 700px;
    margin: auto;
    text-align: center;
    margin-bottom: 40px;
  }
  .values-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
  }
  .values-header .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
  }
  .values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
  }
  .values-card {
    position: relative;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: left;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
  }
  .values-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .values-bg-icon {
    position: absolute;
    top: -20px;
    right: -20px;
    opacity: 0.08;
  }
  .values-icon {
    width: 80px;
    height: 80px;
    stroke: var(--accent);
  }
  .values-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
  }
  .values-card .card-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.4;
  }
  
  /* ======================================================= */
  /*                  STATISTIQUES                           */
  /* ======================================================= */
  .statistics {
    background-color: var(--accent);
    padding: 60px 20px;
  }
  .stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 800px;
    margin: auto;
    text-align: center;
  }
  .stat-block {
    color: var(--bg-primary);
  }
  .stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .stat-label {
    font-size: 1rem;
    font-weight: 400;
  }

  .about {
    padding: 60px 20px;
    background-color: #fff;
  }
  
  .about-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
    max-width: 1200px;
    margin: auto;
  }
  
  .about-image {
    flex: 1 1 300px;
    height: 300px;
    background-color: #ccc;
    border-radius: 8px;
  }
  
  .about-text {
    flex: 2 1 400px;
  }
  
  .about-text h2 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
  }
  
  .about-text p {
    font-size: 1rem;
    margin-bottom: 1rem;
    line-height: 1.5;
  }
  
  /* ======================================================= */
  /*                QUI EST VOTRE CONSEILLER                  */
  /* ======================================================= */
  .advisor {
    background-color: var(--bg-primary);
    padding: 80px 20px;
    text-align: center;
  }
  .advisor h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
  }
  .advisor-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: auto;
    margin-bottom: 20px;
    object-fit: cover;
    border: 3px solid var(--accent);
  }
  .advisor-text {
    font-size: 1rem;
    font-weight: 300;
    color: var(--text-secondary);
    max-width: 700px;
    margin: auto;
    line-height: 1.5;
  }
  
  /* ======================================================= */
  /*              3 ÉTAPES POUR INVESTIR                      */
  /* ======================================================= */
  .steps {
    background-color: var(--gray-100);
    padding: 80px 20px;
  }
  .steps h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
    text-align: center;
  }
  .steps .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
  }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
  }
  .step-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: left;
    transition: transform var(--transition), box-shadow var(--transition);
  }
  .step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .step-card .card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
  }
  .step-card .card-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.4;
  }
  
  /* ======================================================= */
  /*                   PRICING / TARIFS                       */
  /* ======================================================= */
  .pricing {
    background-color: var(--bg-primary);
    padding: 80px 20px;
  }
  .pricing h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
    text-align: center;
  }
  .pricing .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 40px;
    text-align: center;
  }
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
  }
  /* Classe .centered pour centrer horizontalement la grille */
  .pricing-grid.centered {
    justify-content: center;
  }
  .price-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: left;
    transition: transform var(--transition), box-shadow var(--transition);
  }
  .price-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .plan-name {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--accent);
  }
  .price-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    margin-bottom: 8px;
  }
  .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
  }
  .period {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
  }
  .desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
  }
  .inclusions {
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
  }
  .inclusions li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--text-secondary);
  }
  .inclusions li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-size: 1rem;
  }
  .btn-sm {
    padding: 10px 24px;
    font-size: 0.95rem;
    display: inline-block;
    background-color: var(--accent);
    color: var(--bg-primary);
    border-radius: 30px;
    transition: background var(--transition), color var(--transition);
  }
  .btn-sm:hover {
    background-color: var(--accent-hover);
    color: black;
  }
  
  /* ======================================================= */
  /*             CLIENTS ACCOMPAGNÉS                         */
  /* ======================================================= */
  .clients-section {
    background-color: var(--gray-100);
    padding: 80px 20px;
  }
  .clients-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
    text-align: center;
  }
  .clients-section .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
  }
  .clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
  }
  .client-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: transform var(--transition), box-shadow var(--transition);
  }
  .client-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
  }
  .client-avatar {
    flex-shrink: 0;
  }
  .client-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
  }
  .client-text {
    flex: 1;
  }
  .client-text p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.4;
  }
  .client-text cite {
    display: block;
    color: var(--gray-500);
    font-size: 0.9rem;
    font-style: normal;
  }
  
  /* ======================================================= */
  /*                     FAQ                                  */
  /* ======================================================= */
  .faq {
    background-color: var(--gray-200);
    padding: 80px 20px;
  }
  .faq h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
    text-align: center;
  }
  .faq .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
  }
  .faq-grid {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    max-width: 800px;
    margin: auto;
  }
  .faq-item {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    flex-direction: column;
  }
  .faq-item:last-child {
    border-bottom: none;
  }
  .faq-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .faq-item h4::after {
    content: "▼";
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: transform var(--transition);
  }
  .faq-item.active h4::after {
    transform: rotate(180deg);
  }
  .faq-item p {
    margin-top: 12px;
    font-size: 1rem;
    color: var(--text-secondary);
    display: none;
    line-height: 1.5;
  }
  .faq-item.active p {
    display: block;
  }
  
  /* ======================================================= */
  /*                CTA FINAL / BOTTOM PROMO                 */
  /* ======================================================= */
  .cta-final {
    background-color: var(--gray-200);
    padding: 80px 20px;
  }
  .cta-final-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: center;
    gap: 48px;
    max-width: 1200px;
    margin: auto;
  }
  .cta-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-align: center;
  }
  .cta-text .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 32px;
  }
  .cta-image img {
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    height: auto;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  }
  
  /* ======================================================= */
  /*               CONTACT / CALENDLY                          */
  /* ======================================================= */
  .contact {
    background-color: var(--bg-primary);
    padding: 80px 20px;
    text-align: center;
  }
  .contact h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
  }
  .contact .lead {
    font-size: 1.125rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 40px;
  }
  .calendly-embed {
    width: 100%;
    max-width: 800px;
    height: 600px;
    border: none;
    border-radius: 8px;
    overflow: hidden;
  }
  
  /* ======================================================= */
  /*                  FOOTER & MENTIONS LÉGALES                */
  /* ======================================================= */
  footer {
    background-color: var(--gray-100);
    color: var(--text-secondary);
    padding: 60px 20px;
  }
  .footer-inner {
    max-width: 1200px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    justify-content: space-between;
  }
  /* Chaque colonne du footer */
  .footer-col {
    flex: 1 1 200px;
  }
  .footer-logo {
    max-width: 120px;
    margin-bottom: 12px;
  }
  .footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
  }
  .footer-col ul {
    list-style: none;
    padding: 0;
  }
  .footer-col ul li {
    margin-bottom: 8px;
  }
  .footer-col ul li a {
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color var(--transition);
  }
  .footer-col ul li a:hover {
    color: var(--accent);
  }
  .social-icons {
    display: flex;
    gap: 12px;
  }
  .social-icons img {
    width: 24px;
    height: 24px;
    filter: brightness(0%) invert(0%);
    transition: filter var(--transition);
  }
  .social-icons img:hover {
    filter: brightness(0%) invert(50%);
  }
  .legal {
    background-color: var(--bg-primary);
    color: var(--gray-500);
    padding: 16px 20px;
    text-align: center;
    font-size: 0.8rem;
  }
  
  /* ======================================================= */
  /*                   RESPONSIVE                             */
  /* ======================================================= */
  @media (max-width: 992px) {
    /* Hero */
    .hero-title {
      font-size: 2.75rem;
      text-align: center;
    }
    .hero-subtitle {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-text {
      grid-column: 1 / -1;
      text-align: center;
    }
    .hero-buttons {
      justify-content: center;
    }
    .hero-image-container {
      text-align: center;
    }
    .hero-image {
      max-width: 400px;
    }
  
    /* CTA Final */
    .cta-text {
      text-align: center;
    }
    .cta-final-content {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 620px) {
    /* Hero */
    .hero-content {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .hero-image {
      max-width: 100%;
    }
    .hero-title {
      font-size: 2.25rem;
    }
    .hero-subtitle {
      font-size: 1rem;
    }
  
    /* Valeurs, etc. s’empilent */
    .values-grid,
    .statistics .stat-grid,
    .steps-grid,
    .pricing-grid,
    .clients-grid {
      grid-template-columns: 1fr;
    }
    .cta-final-content {
      grid-template-columns: 1fr;
    }
    .footer-inner {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
  }

/* Responsive Header */
.menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: none;
    flex-direction: column;
    padding: 1rem;
    z-index: 999;
  }

  .nav.active {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    gap: 1rem;
    padding: 0;
    margin: 0;
    list-style: none;
    text-align: center;
  }

  .menu-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .header-container {
    position: relative;
  }
}