/* ============================================================
       BASE RESET & VARIABLES
    ============================================================ */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --color-black:      #000000;
      --color-dark-gray:  #404040;
      --color-mid-gray:   #808080;
      --color-light-gray: #D9D9D9;
      --color-off-white:  #F5F5F5;
      --color-white:      #FFFFFF;
      --color-red:        #FF0000;
      --color-red-dark:   #ff0000;

      --font-stack: Calibri, Carlito, "Segoe UI", Arial, sans-serif;

      --max-width: 1160px;
      --section-pad: 80px 24px;
      --section-pad-sm: 48px 24px;

      --border: 1px solid var(--color-light-gray);
      --border-dark: 1px solid var(--color-dark-gray);
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      color: var(--color-black);
      background: var(--color-white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    img { max-width: 100%; display: block; }

    a { color: inherit; text-decoration: none; }

    ul { list-style: none; }

    /* ============================================================
       TYPOGRAPHY
    ============================================================ */
    h1, h2, h3, h4 {
      font-family: var(--font-stack);
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
    h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
    h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
    h4 { font-size: 1rem; font-weight: 600; }

    p { margin-bottom: 1em; }
    p:last-child { margin-bottom: 0; }

    .section-label {
      display: block;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--color-red);
      margin-bottom: 12px;
    }

    /* ============================================================
       LAYOUT UTILITIES
    ============================================================ */
    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-header {
      margin-bottom: 48px;
    }

    .section-header p {
      max-width: 640px;
      color: var(--color-dark-gray);
      font-size: 1.05rem;
    }

    /* ============================================================
       BUTTONS
    ============================================================ */
    .btn {
      display: inline-block;
      font-family: var(--font-stack);
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 14px 28px;
      border: 2px solid transparent;
      cursor: pointer;
      transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
      white-space: nowrap;
      text-decoration: none;
    }

    .btn--primary {
      background: var(--color-red);
      color: var(--color-white);
      border-color: var(--color-red);
    }

    .btn--primary:hover,
    .btn--primary:focus {
      background: var(--color-red-dark);
      border-color: var(--color-red-dark);
      outline: none;
    }

    .btn--secondary {
      background: transparent;
      color: var(--color-black);
      border-color: var(--color-black);
    }

    .btn--secondary:hover,
    .btn--secondary:focus {
      background: var(--color-black);
      color: var(--color-white);
      outline: none;
    }

    .btn--outline-white {
      background: transparent;
      color: var(--color-white);
      border-color: var(--color-white);
    }

    .btn--outline-white:hover,
    .btn--outline-white:focus {
      background: var(--color-white);
      color: var(--color-black);
      outline: none;
    }

    /* ============================================================
       SITE HEADER
    ============================================================ */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--color-white);
      border-bottom: var(--border);
    }

    .site-header__inner {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

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

    .site-header__logo-mark {
      width: 36px;
      height: 36px;
      background: var(--color-black);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .site-header__logo-mark svg {
      width: 22px;
      height: 22px;
    }

    .site-header__logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    

    .site-header__logo-text .brand-p2p {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-black);
      letter-spacing: -0.01em;
    }

    .brand-p2p span { color: var(--color-red); }

    .site-nav { flex: 1; }

    .site-nav__list {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }

    .site-nav__list a {
      font-size: 0.82rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      color: var(--color-dark-gray);
      padding: 8px 10px;
      display: block;
      transition: color 0.12s;
    }

    .site-nav__list a:hover,
    .site-nav__list a[aria-current="page"] {
      color: var(--color-black);
    }

    .site-nav__list a[aria-current="page"] {
      border-bottom: 2px solid var(--color-red);
    }

    .site-header__cta { flex-shrink: 0; }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--color-black);
    }

    @media (max-width: 900px) {
      .site-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: var(--border);
        padding: 16px 24px;
      }

      .site-nav.is-open { display: block; }

      .site-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
      }

      .site-nav__list a {
        padding: 12px 0;
        font-size: 0.9rem;
        width: 100%;
        border-bottom: var(--border);
      }

      .site-nav__list li:last-child a { border-bottom: none; }

      .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .site-header__cta { display: none; }
    }

    /* ============================================================
       PAGE HEADER (DARK)
    ============================================================ */
    .page-header {
      background: var(--color-black);
      color: var(--color-white);
      padding: 64px 24px 48px;
      border-bottom: 3px solid var(--color-red);
    }

    .page-header__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .page-header__breadcrumb {
      font-size: 0.78rem;
      color: #777;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .page-header__breadcrumb a {
      color: #999;
      transition: color 0.12s;
    }

    .page-header__breadcrumb a:hover { color: var(--color-white); }

    .page-header__breadcrumb span { color: #555; }

    .page-header h1 {
      color: var(--color-white);
      margin-bottom: 16px;
    }

    .page-header__desc {
      font-size: 1.05rem;
      color: var(--color-light-gray);
      max-width: 640px;
      line-height: 1.6;
    }

    /* ============================================================
       INTRO — ADVANTAGE CARDS
    ============================================================ */
    .intro-section {
      padding: var(--section-pad);
      background: var(--color-white);
    }

    .intro-section__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .adv-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 40px;
    }

    .adv-card {
      border: var(--border);
      border-top: 3px solid var(--color-red);
      padding: 28px 24px;
      background: var(--color-white);
    }

    .adv-card__icon {
      width: 40px;
      height: 40px;
      background: var(--color-black);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      flex-shrink: 0;
    }

    .adv-card__icon svg {
      width: 22px;
      height: 22px;
      stroke: var(--color-white);
      fill: none;
      stroke-width: 1.8;
      stroke-linecap: square;
    }

    .adv-card h3 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--color-black);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .adv-card p {
      font-size: 0.88rem;
      color: var(--color-dark-gray);
      line-height: 1.6;
    }

    @media (max-width: 860px) {
      .adv-cards { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 540px) {
      .adv-cards { grid-template-columns: 1fr; }
    }

    /* ============================================================
       COMPARATIF TECHNIQUE
    ============================================================ */
    .comparativa {
      padding: var(--section-pad);
      background: var(--color-off-white);
      border-top: var(--border);
      border-bottom: var(--border);
    }

    .comparativa__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .table-scroll {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }

    .cmp-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.875rem;
      min-width: 680px;
    }

    .cmp-table thead th {
      background: var(--color-black);
      color: var(--color-white);
      padding: 12px 16px;
      text-align: left;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      white-space: nowrap;
    }

    .cmp-table thead th.col-p2p {
      background: var(--color-red);
    }

    .cmp-table tbody td {
      padding: 10px 16px;
      border-bottom: 1px solid var(--color-light-gray);
      vertical-align: middle;
      color: var(--color-dark-gray);
      line-height: 1.4;
    }

    .cmp-table tbody tr:last-child td { border-bottom: none; }

    .cmp-table tbody tr:nth-child(even) td { background: rgba(0,0,0,0.025); }

    .cmp-table tbody td:first-child {
      font-weight: 700;
      color: var(--color-black);
      font-size: 0.85rem;
    }

    .cmp-table tbody td.col-p2p {
      background: #f5f5f5;
      font-weight: 600;
      color: var(--color-black);
    }

    .cmp-table tbody tr:nth-child(even) td.col-p2p {
      background: #f5f5f5;
    }

    .val-yes {
      color: #1a7a1a;
      font-weight: 700;
    }

    .val-no {
      color: #ff0000;
    }

    .val-partial {
      color: #885500;
    }

    .val-highlight {
      color: var(--color-red);
      font-weight: 700;
    }

    .table-note {
      margin-top: 16px;
      font-size: 0.82rem;
      color: var(--color-mid-gray);
      border-left: 3px solid var(--color-light-gray);
      padding-left: 12px;
      font-style: italic;
    }

    /* ============================================================
       AVANTAGES CLÉS DÉTAILLÉS
    ============================================================ */
    .ventajas-clave {
      padding: var(--section-pad);
      background: var(--color-white);
    }

    .ventajas-clave__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .ventajas-list {
      display: flex;
      flex-direction: column;
      gap: 24px;
      margin-top: 40px;
    }

    .ventaja-item {
      border-left: 4px solid var(--color-red);
      padding: 24px 28px;
      background: var(--color-off-white);
    }

    .ventaja-item h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-black);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .ventaja-item p {
      font-size: 0.92rem;
      color: var(--color-dark-gray);
      line-height: 1.7;
    }

    /* ============================================================
       QUAND CETTE SOLUTION N'EST PAS LA PLUS ADAPTÉE
    ============================================================ */
    .cuando-no {
      padding: var(--section-pad);
      background: var(--color-off-white);
      border-top: var(--border);
      border-bottom: var(--border);
    }

    .cuando-no__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .cuando-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 40px;
    }

    .cuando-col {
      padding: 28px 24px;
    }

    .cuando-col--ideal {
      background: var(--color-black);
      border-top: 3px solid var(--color-red);
    }

    .cuando-col--other {
      background: var(--color-white);
      border: var(--border);
      border-top: 3px solid var(--color-dark-gray);
    }

    .cuando-col__heading {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      margin-bottom: 20px;
      padding-bottom: 12px;
    }

    .cuando-col--ideal .cuando-col__heading {
      color: var(--color-red);
      border-bottom: 1px solid #333;
    }

    .cuando-col--other .cuando-col__heading {
      color: var(--color-mid-gray);
      border-bottom: var(--border);
    }

    .cuando-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .cuando-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .cuando-col--ideal .cuando-list li {
      color: var(--color-light-gray);
    }

    .cuando-col--other .cuando-list li {
      color: var(--color-dark-gray);
    }

    .cuando-list li::before {
      content: '';
      display: block;
      width: 6px;
      height: 6px;
      flex-shrink: 0;
      margin-top: 7px;
    }

    .cuando-col--ideal .cuando-list li::before {
      background: var(--color-red);
    }

    .cuando-col--other .cuando-list li::before {
      background: var(--color-mid-gray);
    }

    @media (max-width: 700px) {
      .cuando-grid { grid-template-columns: 1fr; }
    }

    /* ============================================================
       FINAL CTA
    ============================================================ */
    .final-cta {
      background: var(--color-black);
      color: var(--color-white);
      padding: var(--section-pad);
      text-align: center;
      border-top: 3px solid var(--color-red);
    }

    .final-cta__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .final-cta .section-label { color: var(--color-red); }

    .final-cta h2 {
      color: var(--color-white);
      margin-bottom: 16px;
    }

    .final-cta p {
      font-size: 1.05rem;
      color: var(--color-light-gray);
      margin-bottom: 36px;
      max-width: 640px;
      margin-left: auto;
      margin-right: auto;
    }

    .final-cta__ctas {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ============================================================
       SITE FOOTER
    ============================================================ */
    .site-footer {
      background: var(--color-dark-gray);
      color: var(--color-light-gray);
      padding: 56px 24px 32px;
    }

    .site-footer__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .site-footer__grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid #555;
    }

    .footer-brand__logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-brand__logo-mark {
      width: 32px;
      height: 32px;
      background: var(--color-white);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .footer-brand__logo-mark svg {
      width: 18px;
      height: 18px;
      stroke: var(--color-black);
      fill: none;
      stroke-width: 2;
    }

    .footer-brand__name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-white);
    }

    .footer-brand__desc {
      font-size: 0.82rem;
      line-height: 1.6;
      color: #aaa;
      max-width: 280px;
    }

    .footer-col h4 {
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--color-white);
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul li a {
      font-size: 0.82rem;
      color: #aaa;
      transition: color 0.12s;
    }

    .footer-col ul li a:hover { color: var(--color-white); }

    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.82rem;
      color: #aaa;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .footer-contact-item svg {
      width: 14px;
      height: 14px;
      stroke: var(--color-mid-gray);
      fill: none;
      stroke-width: 2;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .footer-contact-item a {
      color: #aaa;
      transition: color 0.12s;
    }

    .footer-contact-item a:hover { color: var(--color-white); }

    .site-footer__bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 24px;
      font-size: 0.75rem;
      color: #777;
      flex-wrap: wrap;
    }

    .site-footer__bottom a {
      color: #777;
      transition: color 0.12s;
    }

    .site-footer__bottom a:hover { color: var(--color-light-gray); }

    @media (max-width: 900px) {
      .site-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .footer-brand { grid-column: 1 / -1; }
    }

    @media (max-width: 500px) {
      .site-footer__grid { grid-template-columns: 1fr; }
    }

    /* ============================================================
       FOCUS / ACCESSIBILITY
    ============================================================ */
    :focus-visible {
      outline: 2px solid var(--color-red);
      outline-offset: 2px;
    }

    .sr-only {
      position: absolute;
      width: 1px; height: 1px;
      padding: 0; margin: -1px;
      overflow: hidden;
      clip: rect(0,0,0,0);
      white-space: nowrap;
      border: 0;
    }

    /* ============================================================
       RESPONSIVE GLOBAL
    ============================================================ */
    @media (max-width: 600px) {
      .final-cta { text-align: left; }
      .final-cta p { margin-left: 0; margin-right: 0; }
      .final-cta__ctas { justify-content: flex-start; }
      .site-footer__bottom { flex-direction: column; align-items: flex-start; }
    }


    @media (max-width: 768px) {
      .site-header__inner {
        padding-left: 16px;
        padding-right: 16px;
        gap: 12px;
      }

      .lang-switcher {
        display: none !important;
      }
    }

  

    /* Responsive header guard for the five-language selector. */
    @media (max-width: 1400px) and (min-width: 769px) {
      .site-header__inner {
        gap: 12px !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
      }
      .site-nav__list a,
      .site-nav a {
        font-size: 0.78rem !important;
        padding-left: 8px !important;
        padding-right: 8px !important;
      }
      .site-header__cta .btn {
        font-size: 0.78rem !important;
        padding-left: 14px !important;
        padding-right: 14px !important;
        white-space: nowrap !important;
      }
    }

    @media (max-width: 600px) {
      .site-header__inner {
        padding-left: 12px !important;
        padding-right: 12px !important;
        gap: 8px !important;
        width: 100% !important;
      }
      .site-header__logo,
      .site-header__logo-text,
      .site-header__logo div {
        min-width: 0 !important;
      }
      
      .lang-switcher {
        display: none !important;
      }
      .nav-toggle,
      .menu-toggle {
        margin-left: auto !important;
        flex-shrink: 0 !important;
      }
    }

    @media (max-width: 380px) {
      .final-cta .btn {
        max-width: 100%;
        white-space: normal;
        text-align: center;
        line-height: 1.35;
        padding-left: 18px;
        padding-right: 18px;
      }
    }