/* 1. Variables de design */
    :root {
      color-scheme: light;
      --teal: #0b4f5e;
      --cyan: #087f91;
      --vert: #2f7d50;
      --fond: #f2f6f5;
      --gris: #54606f;
      --surface: #ffffff;
      --surface-soft: #eaf3f2;
      --border: rgba(11,79,94,.12);
      --shadow: 0 18px 45px rgba(11,79,94,.10);
      --shadow-soft: 0 8px 24px rgba(11,79,94,.07);
      --radius: 20px;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

/* 2. Base et accessibilité */
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--fond);
      color: #0c1b24;
      font-family: inherit;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    img { max-width: 100%; }
    h1, h2, h3, h4 { text-wrap: balance; }
    p { text-wrap: pretty; }
    a:focus-visible, button:focus-visible {
      outline: 3px solid #f2a900;
      outline-offset: 3px;
    }
    .skip-link {
      position: fixed;
      top: .75rem;
      left: .75rem;
      z-index: 100;
      padding: .75rem 1rem;
      border-radius: .5rem;
      background: #fff;
      color: var(--teal);
      transform: translateY(-200%);
    }
    .skip-link:focus { transform: translateY(0); }

/* 3. Mise en page et composants */
    header {
      position: sticky;
      top: 0;
      z-index: 10;
      background: rgba(242,246,245,.94);
      -webkit-backdrop-filter: blur(16px);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(11,79,94,.1);
    }
    .nav-bar {
      max-width: 1200px;
      margin: 0 auto;
      min-height: 92px;
      padding: .7rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.25rem;
    }
    .logo {
      display: inline-flex;
      flex: 0 0 auto;
      width: 124px;
      height: 76px;
    }
    .brand-logo {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: contain;
      object-position: center;
    }
    footer .logo {
      width: 176px;
      height: 110px;
    }
    footer .brand-logo {
      filter: brightness(0) invert(1);
      opacity: .98;
    }
    nav ul {
      list-style: none;
      display: flex;
      gap: 1.25rem;
      font-size: .95rem;
      white-space: nowrap;
    }
    nav a {
      color: #0c1b24;
      text-decoration: none;
      position: relative;
      padding: .65rem .1rem;
    }
    nav a::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--cyan);
      transition: width .3s ease;
    }
    nav a:hover::after, nav a:focus-visible::after { width: 100%; }
    .hero {
      max-width: 1200px;
      margin: 0 auto;
      padding: clamp(2.5rem,5vw,4.5rem) 1.25rem 4rem;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: 2rem;
      align-items: center;
      min-height: min(760px, calc(100vh - 92px));
    }
    .hero h1 {
      font-family: 'Space Grotesk', sans-serif;
      max-width: 11ch;
      font-size: clamp(2.65rem,5vw,4.7rem);
      line-height: 1.02;
      letter-spacing: -.045em;
      color: var(--teal);
    }
    .hero p {
      margin: 1rem 0 1.5rem;
      color: #26464f;
      line-height: 1.6;
      max-width: 56ch;
      font-size: 1.08rem;
    }
    .hero .eyebrow {
      margin: 0 0 1rem;
      color: var(--cyan) !important;
      font-size: .73rem !important;
      font-weight: 800;
      letter-spacing: .26rem !important;
    }
    .hero .cta {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }
    .button-primary, .button-secondary {
      border: none;
      border-radius: 999px;
      cursor: pointer;
      font-weight: 600;
      min-height: 48px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: .82rem 1.45rem;
      transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
      text-decoration: none;
    }
    .button-primary {
      background: linear-gradient(135deg, #07899d, #087286);
      color: #fff;
      box-shadow: var(--shadow);
    }
    .button-secondary {
      background: rgba(255,255,255,.58);
      border: 2px solid var(--cyan);
      color: var(--teal);
    }
    .button-primary:hover, .button-secondary:hover,
    .button-primary:focus-visible, .button-secondary:focus-visible { transform: translateY(-2px); }
    .button-primary:hover { box-shadow: 0 14px 30px rgba(8,127,145,.22); }
    .button-secondary:hover { background: #fff; }
    .hero .stats {
      display: grid;
      grid-column: 1 / -1;
      grid-template-columns: repeat(4,minmax(0,1fr));
      gap: 1rem;
      margin-top: 0;
      align-items: stretch;
    }
    .stat-card {
      background: #fff;
      border-radius: 16px;
      padding: 1rem 1.25rem;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(11,79,94,.07);
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: .65rem;
    }
    .stat-card strong {
      font-size: 1rem;
      color: var(--teal);
      font-family: 'Space Grotesk', sans-serif;
    }
    .proof-check {
      color: var(--vert);
      font-size: 1.1rem;
      font-weight: 700;
    }
    section {
      padding: clamp(3.5rem,7vw,5.5rem) 1.25rem;
      max-width: 1200px;
      margin: 0 auto;
      scroll-margin-top: 7rem;
    }
    section + section {
      margin-top: 0;
    }
    section > h2,
    .zones-copy > h2 {
      font-family: 'Space Grotesk', sans-serif !important;
      font-size: clamp(1.9rem,3vw,2.5rem) !important;
      line-height: 1.15;
      letter-spacing: -.025em;
      color: var(--teal) !important;
    }
    .section-intro {
      max-width: 850px;
      margin: 1rem 0 1.5rem;
      color: #3e4c55;
      line-height: 1.7;
    }
    #prestations,
    #fonctionnement {
      position: relative;
      box-shadow: 0 0 0 100vmax var(--section-background);
      clip-path: inset(0 -100vmax);
    }
    #prestations {
      --section-background: #e8f2f2;
      background: var(--section-background);
    }
    #fonctionnement {
      --section-background: #fff;
      background: var(--section-background);
    }
    .grid {
      display: grid;
      gap: 1.25rem;
    }
    .card {
      background: #fff;
      border-radius: var(--radius);
      padding: clamp(1.35rem,3vw,1.8rem);
      box-shadow: var(--shadow);
      border: 1px solid rgba(11,79,94,.06);
      position: relative;
      overflow: hidden;
    }
    .card::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, transparent 0%, rgba(31,194,224,.08) 60%);
      opacity: 0;
      transition: opacity .4s ease;
      pointer-events: none;
    }
    .card:hover::after { opacity: 1; }
    .card h3 {
      font-family: 'Space Grotesk', sans-serif;
      color: var(--teal);
      margin-bottom: .4rem;
    }
    .card p {
      color: #3e4c55;
      line-height: 1.6;
    }
    .packs {
      grid-template-columns: repeat(2,minmax(0,1fr));
      align-items: stretch;
    }
    .packs .card {
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-soft);
      border-color: rgba(11,79,94,.1);
    }
    .packs .pack-list { flex: 1; }
    .packs .card > * { position: relative; z-index: 1; }
    .pack-list {
      display: flex;
      flex-direction: column;
      gap: .75rem;
      margin-top: 1rem;
      color: #3a4b54;
      list-style: none;
      padding-left: 0;
    }
    .pack-list li {
      padding-left: 1.5rem;
      position: relative;
      line-height: 1.5;
      list-style: none;
    }
    .pack-list li::marker { content: ''; }
    .pack-list li::before {
      content: '';
      position: absolute;
      left: .1rem;
      top: .62em;
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--cyan);
    }
    .guarantee-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: .55rem;
      margin-top: 1rem;
      list-style: none;
      color: #294650;
      font-size: .92rem;
    }
    .guarantee-list li::before {
      content: '✓';
      margin-right: .4rem;
      color: var(--vert);
      font-weight: 700;
    }
    .section-action { margin-top: 1.5rem; text-align: center; }
    .section-action .button-primary { display: inline-flex; }
    .header-cta { white-space: nowrap; }
    .commitment-intro {
      max-width: 850px;
      margin: .5rem 0 1.75rem;
      color: #52616a;
      line-height: 1.7;
    }
    .commitment-grid {
      display: grid;
      grid-template-columns: repeat(3,minmax(0,1fr));
      gap: 1.25rem;
    }
    .commitment-card {
      position: relative;
      min-height: 270px;
      padding: 1.5rem 1.5rem 1.5rem 1.65rem;
      border-radius: 20px;
      background: #fff;
      border: 1px solid rgba(11,79,94,.07);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .commitment-card::before {
      content: '';
      position: absolute;
      inset: 0 auto 0 0;
      width: 4px;
      background: linear-gradient(180deg, var(--cyan), var(--vert));
    }
    .commitment-number {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #e8f6f7;
      color: var(--teal);
      font-weight: 700;
      margin-bottom: 1.15rem;
    }
    .commitment-card h3 { color: var(--teal); font-size: 1.08rem; line-height: 1.45; margin-bottom: .65rem; }
    .commitment-card p { color: #52616a; line-height: 1.65; }
    .commitment-proof-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: .65rem 1.25rem;
      margin-top: 1.5rem;
      padding: 1rem 1.25rem;
      border-radius: 16px;
      background: var(--teal);
      color: #fff;
      font-weight: 600;
      font-size: .92rem;
    }
    .commitment-proof-bar span::before { content: '✓'; margin-right: .35rem; }
    .steps {
      display: grid;
      grid-template-columns: repeat(5,minmax(0,1fr));
      gap: 1rem;
      position: relative;
    }
    .steps::before {
      content: '';
      position: absolute;
      top: 1.8rem;
      left: 5%;
      right: 5%;
      height: 2px;
      background: #a9dce3;
      z-index: 0;
    }
    .step-ellipse {
      background: #fff;
      border-radius: 18px;
      padding: 1.25rem 1.2rem 1.5rem;
      position: relative;
      display: flex;
      flex-direction: column;
      gap: .65rem;
      border: 1px solid rgba(11,79,94,.1);
      box-shadow: none;
      z-index: 1;
      min-height: 205px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .step-ellipse:hover { transform: translateY(-3px); box-shadow: var(--shadow-soft); }
    .step-ellipse span {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--cyan);
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: .35rem;
    }
    .step-ellipse h3 { color: var(--teal); font-size: 1.05rem; }
    .step-ellipse p { color: #52616a; line-height: 1.55; }
    .method-intro { color: #52616a; margin: .5rem 0 1.5rem; }
    .zones {
      border-radius: 28px;
      background: #fff;
      padding: clamp(1rem,2vw,1.5rem);
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .zones-layout {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
      align-items: stretch;
    }
    .zones-copy { padding: .5rem; }
    .zones-copy > p {
      color: #3a4b54;
      line-height: 1.65;
      margin: .5rem 0 1.5rem;
    }
    .zone-pin {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #e7f5f6;
      color: var(--cyan);
    }
    .zone-pin svg { width: 21px; height: 21px; }
    .zones-map {
      position: relative;
      min-height: 520px;
      border-radius: 20px;
      overflow: hidden;
      background: #eef6f5;
    }
    #interventionMap { width: 100%; height: 100%; min-height: 520px; }
    .intervention-marker {
      width: 28px;
      height: 28px;
      border: 4px solid #fff;
      border-radius: 50% 50% 50% 0;
      background: var(--cyan);
      box-shadow: 0 4px 12px rgba(11,79,94,.35);
      transform: rotate(-45deg);
    }
    .intervention-marker::after {
      content: '';
      position: absolute;
      width: 8px;
      height: 8px;
      top: 6px;
      left: 6px;
      border-radius: 50%;
      background: #fff;
    }
    .leaflet-popup-content-wrapper { border-radius: 12px; }
    .leaflet-popup-content strong { color: var(--teal); font-size: 1rem; }
    .map-fallback { display: grid; place-items: center; height: 100%; padding: 2rem; text-align: center; color: var(--teal); }
    .map-legend {
      position: absolute;
      top: 1rem;
      right: 1rem;
      display: flex;
      align-items: center;
      gap: .6rem;
      padding: .75rem 1rem;
      border-radius: 12px;
      background: rgba(255,255,255,.92);
      box-shadow: 0 8px 24px rgba(11,79,94,.12);
      color: var(--teal);
      font-weight: 700;
    }
    .faq {
      display: grid;
      grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
      gap: 1rem;
    }
    .faq-item {
      background: #fff;
      border-radius: 18px;
      padding: 1.25rem;
      border: 1px solid rgba(11,79,94,.08);
      box-shadow: 0 6px 18px rgba(11,79,94,.04);
    }
    .faq-item h4 {
      font-size: 1rem;
      margin-bottom: .5rem;
      color: var(--teal);
    }
    .contact {
      background: #fff;
      border-radius: 24px;
      padding: clamp(1.25rem,4vw,2.5rem);
      box-shadow: var(--shadow);
      display: block;
    }
    .contact .highlight {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--teal);
    }
    .contact .button-primary { margin-top: 1rem; }
    .contact-intro { max-width: 760px; margin-bottom: 1.5rem; }
    .contact-intro h2 { color: var(--teal); font-size: clamp(1.8rem,3vw,2.4rem); margin-bottom: .5rem; }
    .contact-intro p { color: #3e4c55; line-height: 1.65; }
    .quote-form { scroll-margin-top: 10rem; }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2,minmax(0,1fr));
      gap: 1rem 1.25rem;
    }
    .form-field { display: flex; flex-direction: column; gap: .4rem; }
    .form-field.full { grid-column: 1 / -1; }
    .form-field label, .consent-field { color: #183b45; font-weight: 600; }
    .required-note { color: #64727a; font-size: .85rem; margin-bottom: 1rem; }
    .form-field input,
    .form-field select,
    .form-field textarea {
      width: 100%;
      min-height: 52px;
      padding: .8rem .95rem;
      border: 1px solid #afc3c7;
      border-radius: 12px;
      background: #fff;
      color: #0c1b24;
      font: inherit;
    }
    .form-field textarea { min-height: 130px; resize: vertical; }
    .form-field input:hover,
    .form-field select:hover,
    .form-field textarea:hover { border-color: #7fa6ad; }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus { outline: 3px solid rgba(8,127,145,.16); outline-offset: 1px; border-color: var(--cyan); }
    .form-field input::placeholder,
    .form-field textarea::placeholder { color: #76868d; opacity: 1; }
    .field-hint { color: #64727a; font-size: .82rem; }
    .consent-field {
      grid-column: 1 / -1;
      display: flex;
      align-items: flex-start;
      gap: .7rem;
      font-weight: 500;
      line-height: 1.5;
    }
    .consent-field input { width: 20px; height: 20px; flex: 0 0 20px; margin-top: .15rem; accent-color: var(--cyan); }
    .form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
    .form-status { min-height: 1.5rem; color: #a12626; font-weight: 700; }
    .form-status.success { color: var(--vert); }
    .hp-field { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }
    footer {
      margin-top: auto;
      background: #0b4f5e;
      color: #f2f6f5;
      padding: 3rem 1.25rem 1.5rem;
    }
    footer .footer-grid {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
      gap: 1rem;
    }
    footer a {
      color: #c5eeff;
      text-decoration: none;
    }
    footer h4 { margin-bottom: .7rem; color: #fff; }
    footer p, footer li { line-height: 1.8; }
    footer a:hover, footer a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: .3rem; }
    .footer-copyright { margin-top: 1rem; text-align: center; font-size: .85rem; }
    .burger {
      display: none;
      flex-direction: column;
      gap: .3rem;
      cursor: pointer;
      border: 0;
      background: transparent;
      padding: .65rem;
      border-radius: .5rem;
    }
    .burger span {
      width: 24px;
      height: 2px;
      background: var(--teal);
      border-radius: 2px;
    }
    .mobile-nav {
      display: none;
      position: absolute;
      top: 100%;
      right: 1.25rem;
      background: #fff;
      border-radius: 12px;
      padding: 1rem;
      box-shadow: var(--shadow);
      margin-top: .5rem;
      min-width: 180px;
      flex-direction: column;
      gap: .75rem;
    }
    .mobile-nav a {
      color: #0c1b24;
      font-weight: 500;
    }
    .hero-visual {
      background: #0b4f5e url('../images/hero-ckreclean.webp') center / cover no-repeat;
      min-height: 500px;
      border-radius: 28px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 24px 55px rgba(11,79,94,.18);
    }
    .hero-visual::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11,79,94,.02) 45%, rgba(11,79,94,.72) 100%);
      z-index: 0;
    }
    .hero-visual span {
      position: absolute;
      bottom: 1rem;
      left: 1.2rem;
      background: rgba(31,194,224,.9);
      padding: .4rem .8rem;
      border-radius: 999px;
      font-size: .85rem;
      color: #fff;
      z-index: 1;
    }
/* 4. Responsive */
    @media (max-width: 900px) {
      nav ul { display: none; }
      .header-cta { display: none; }
      .logo { width: 120px; height: 75px; }
      .burger { display: flex; }
      .mobile-nav.show { display: flex; }
      .hero { padding-top: 2.5rem; min-height: auto; }
      .hero { grid-template-columns: 1fr; }
      .hero h1 { max-width: 13ch; }
      .hero-visual { background-position: 56% center; min-height: 390px; }
      .zones-layout { grid-template-columns: 1fr; }
      .zones-map, #interventionMap { min-height: 480px; }
      .steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .steps::before { display: none; }
      .commitment-grid { grid-template-columns: 1fr; }
      .commitment-card { min-height: 0; }
    }
    @media (max-width: 700px) {
      .nav-bar { min-height: 78px; padding-block: .5rem; }
      .logo { width: 104px; height: 64px; }
      section { padding-block: 3.25rem; }
      .hero { gap: 1.5rem; padding-bottom: 3rem; }
      .hero h1 { font-size: clamp(2.45rem,12vw,3.5rem); }
      .hero p { font-size: 1rem; }
      .hero .cta { display: grid; grid-template-columns: 1fr; }
      .hero .cta a { width: 100%; }
      .packs { grid-template-columns: 1fr; }
      .guarantee-list { grid-template-columns: 1fr; }
      .hero .stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .form-grid { grid-template-columns: 1fr; }
      .form-field.full, .consent-field, .form-actions { grid-column: 1; }
      .form-actions { align-items: stretch; flex-direction: column; }
      .form-actions .button-primary { width: 100%; }
      .contact { border-radius: 18px; }
      .zones { border-radius: 20px; }
      .zones-map, #interventionMap { min-height: 400px; }
      .map-legend { top: .75rem; right: .75rem; padding: .6rem .75rem; font-size: .82rem; }
      footer .footer-grid { gap: 2rem; }
    }
    @media (max-width: 480px) {
      .hero .stats { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition-duration: .01ms !important; }
    }