:root {
      --bg: #f4f1eb;
      --bg-soft: #fbf8f3;
      --panel: rgba(255,255,255,.82);
      --panel-strong: rgba(255,255,255,.92);
      --text: #1f2937;
      --muted: #5b6472;
      --line: rgba(31,41,55,.10);
      --dark: #101828;
      --wood: #1a5e8a;
      --copper: #1e7bbd;
      --gold: #2a9fd6;
      --slate: #344054;
      --cream: #fffdf9;
      --grad-main: linear-gradient(135deg, #0d4a6e 0%, #1a7aaa 45%, #2a9fd6 100%);
      --grad-dark: linear-gradient(135deg, #0a1e2e 0%, #1a3a55 100%);
      --shadow: 0 18px 50px rgba(17,24,39,.12);
      --shadow-strong: 0 24px 70px rgba(17,24,39,.18);
      --radius: 24px;
      --max: 1240px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top right, rgba(42,159,214,.10), transparent 28%),
        radial-gradient(circle at top left, rgba(26,122,170,.08), transparent 24%),
        linear-gradient(180deg, var(--bg), #dfe9f0 100%);
      line-height: 1.65;
    }

    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }
    .container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }

    .glass {
      background: var(--panel);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255,255,255,.55);
      box-shadow: var(--shadow);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 24px;
      border-radius: 999px;
      font-weight: 800;
      transition: .28s ease;
      border: 1px solid transparent;
      cursor: pointer;
      font-family: inherit;
      font-size: 0.95rem;
    }

    .btn-primary {
      background: var(--grad-main);
      color: #fff;
      box-shadow: 0 16px 34px rgba(13,74,110,.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(13,74,110,.34);
    }

    .btn-secondary {
      background: rgba(255,255,255,.7);
      border-color: rgba(31,41,55,.08);
      color: var(--dark);
    }

    /* ── HEADER ── */
    header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255,253,249,.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(31,41,55,.08);
    }

    .nav {
      min-height: 82px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 22px;
    }

    /* ── LOGO ELLASANITAIRE ── */
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .logo-icon {
      width: 48px;
      height: 48px;
      background: var(--grad-main);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      box-shadow: 0 6px 18px rgba(13,74,110,.25);
    }

    .logo-icon img {
      width: 100px;
      height: 100px;
      
    }

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

    .logo-name {
      font-family: 'Georgia', 'Times New Roman', serif;
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--dark);
    }

    .logo-name span {
      background: var(--grad-main);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .logo-sub {
      font-size: 0.68rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
      font-weight: 500;
    }

    .menu {
      display: flex;
      align-items: center;
      gap: 22px;
      font-weight: 700;
      color: var(--slate);
    }

    /* ── HERO ── */
    .hero {
      position: relative;
      overflow: hidden;
      padding: 90px 0 64px;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(10,30,46,.78), rgba(10,30,46,.40)),
        url('https://images.unsplash.com/photo-mFQo2uJNf2c?auto=format&fit=crop&w=1400&q=80') center/cover;
      z-index: 0;
      transform: scale(1.02);
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0 0;
      height: 180px;
      background: linear-gradient(to top, rgba(244,241,235,1), rgba(244,241,235,0));
      z-index: 1;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 30px;
      align-items: center;
    }

    .hero-copy { color: #fff; max-width: 700px; }

    .eyebrow {
      display: inline-flex;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.12);
      border: 1px solid rgba(255,255,255,.18);
      color: rgba(255,255,255,.92);
      font-weight: 700;
      margin-bottom: 16px;
      backdrop-filter: blur(12px);
      font-size: 0.88rem;
    }

    h1, h2, h3, h4 { margin: 0 0 16px; line-height: 1.08; }
    h1 { font-size: clamp(2.8rem, 5vw, 4.8rem); }
    h2 { font-size: clamp(2rem, 3vw, 3rem); }
    h3 { font-size: 1.18rem; }
    p { margin: 0 0 16px; color: var(--muted); }
    .hero-copy p { color: rgba(255,255,255,.86); font-size: 1.06rem; }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 22px;
    }

    .hero-panel {
      border-radius: 28px;
      padding: 22px;
      background: rgba(255,255,255,.16);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255,255,255,.22);
      box-shadow: var(--shadow-strong);
    }

    .hero-grid-mini {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .floating-badge {
      border-radius: 18px;
      padding: 16px;
      background: rgba(255,255,255,.92);
      color: var(--dark);
      box-shadow: var(--shadow);
      font-size: 0.88rem;
    }

    .floating-badge strong {
      display: block;
      font-size: 1.12rem;
      margin-bottom: 4px;
      color: var(--dark);
    }

    section { padding: 68px 0; }

    .section-title {
      text-align: center;
      margin-bottom: 34px;
    }

    .section-title p {
      max-width: 760px;
      margin: 0 auto;
    }

    .grid-3,
    .grid-4,
    .before-after,
    .testimonials,
    .contact-grid {
      display: grid;
      gap: 22px;
    }

    .grid-3,
    .before-after,
    .testimonials { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .contact-grid { grid-template-columns: .88fr 1.12fr; }

    .card {
      border-radius: var(--radius);
      padding: 24px;
      background: var(--panel-strong);
      border: 1px solid rgba(255,255,255,.55);
      box-shadow: var(--shadow);
      transition: transform .28s ease, box-shadow .28s ease;
    }

    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-strong);
    }

    .services-grid {
      align-items: stretch;
    }

    .service-card {
      padding: 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100%;
    }

    .card-img,
    .service-card-img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      background: linear-gradient(135deg, #0d4a6e 0%, #2a9fd6 100%);
      border-bottom: 1px solid rgba(31,41,55,.08);
    }

    .service-card-body {
      padding: 22px 24px 24px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      flex: 1;
    }

    .service-card h3 {
      margin-bottom: 6px;
    }

    .service-card p {
      margin-bottom: 0;
    }

    .icon {
      width: 56px;
      height: 56px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      background: var(--grad-main);
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
      font-size: 1.1rem;
    }

    /* ── TRUST BAND ── */
    .trust-band {
      background: var(--grad-dark);
      color: #fff;
      border-radius: 28px;
      padding: 24px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      box-shadow: var(--shadow-strong);
    }

    .trust-item {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 18px;
      padding: 18px;
      text-align: center;
    }

    .trust-item strong {
      display: block;
      font-size: 1.8rem;
      margin-bottom: 6px;
    }

    /* ── QUI SOMMES-NOUS ── */
    .qsn-section {
      background: linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,.12));
    }

    .section-pill {
      display: inline-block;
      padding: 7px 14px;
      border-radius: 999px;
      background: rgba(42,159,214,.14);
      color: #0d4a6e;
      font-weight: 800;
      margin-bottom: 12px;
      font-size: 0.88rem;
    }

    .qsn-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
      grid-template-areas:
        "intro copy"
        "visual copy"
        "points points";
      gap: 22px 26px;
      align-items: stretch;
    }

    .qsn-intro { grid-area: intro; align-self: start; }

    .qsn-intro h2 {
      max-width: 560px;
      margin-bottom: 0;
    }

    .qsn-copy {
  grid-area: copy;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 220px; /* ← ajuste ici */
}

    .qsn-copy p {
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .qsn-visual {
      grid-area: visual;
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      background: rgba(255,255,255,.6);
      box-shadow: var(--shadow-strong);
      min-height: 410px;
    }

    .qsn-image {
      width: 100%;
      height: 100%;
      min-height: 410px;
      object-fit: cover;
      display: block;
    }

    .qsn-stamp {
      position: absolute;
      right: 16px;
      bottom: 16px;
      padding: 12px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,.94);
      color: var(--dark);
      box-shadow: var(--shadow);
      line-height: 1.35;
    }

    .qsn-stamp strong {
      display: block;
      font-size: 0.95rem;
      margin-bottom: 2px;
    }

    .qsn-stamp span {
      font-size: 0.78rem;
      color: var(--slate);
    }

    .qsn-points {
      grid-area: points;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px 18px;
      margin-top: 4px;
    }

    .qsn-point {
      padding: 16px 18px;
      border-radius: 18px;
      background: rgba(255,255,255,.76);
      border: 1px solid rgba(31,41,55,.08);
      font-weight: 700;
      color: var(--dark);
      display: flex;
      align-items: center;
      gap: 10px;
      box-shadow: var(--shadow);
    }

    .qsn-point::before {
      content: '✓';
      width: 28px;
      height: 28px;
      background: var(--grad-main);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 0.78rem;
      font-weight: 900;
      flex-shrink: 0;
    }

    /* ── AVANT / APRÈS ── */
    .ba-card {
      overflow: hidden;
      padding: 0;
    }

    .ba-slider {
      height: 240px;
      position: relative;
      overflow: hidden;
      background: #e0e8ef;
      cursor: col-resize;
      user-select: none;
    }

    .ba-before, .ba-after {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
    }

    .ba-after {
      clip-path: inset(0 50% 0 0);
      transition: clip-path 0s;
    }

    .ba-divider {
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 3px;
      background: white;
      transform: translateX(-50%);
      z-index: 3;
      pointer-events: none;
    }

    .ba-handle {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 42px;
      height: 42px;
      background: white;
      border-radius: 50%;
      box-shadow: 0 4px 18px rgba(0,0,0,.22);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 4;
      pointer-events: none;
      font-size: 1rem;
      gap: 2px;
      font-weight: 900;
      color: var(--dark);
    }

    .label-before, .label-after {
      position: absolute;
      top: 14px;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: .8rem;
      font-weight: 800;
      background: rgba(255,255,255,.92);
      color: var(--dark);
      z-index: 5;
      pointer-events: none;
    }

    .label-before { left: 14px; }
    .label-after { right: 14px; }

    .ba-content { padding: 20px 22px; }

    /* ── MÉTHODE (PROCESS) ── */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
      position: relative;
    }

    .process-grid::before {
      content: '';
      position: absolute;
      top: 36px;
      left: 12%;
      right: 12%;
      height: 2px;
      background: linear-gradient(90deg, transparent, rgba(42,159,214,.3), rgba(42,159,214,.3), transparent);
    }

    .process-card {
      border-radius: var(--radius);
      padding: 24px;
      background: var(--panel-strong);
      border: 1px solid rgba(255,255,255,.55);
      box-shadow: var(--shadow);
      text-align: center;
      transition: transform .28s ease, box-shadow .28s ease;
    }

    .process-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-strong);
    }

    .process-num {
      width: 56px;
      height: 56px;
      background: var(--grad-main);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.1rem;
      margin: 0 auto 16px;
      position: relative;
      z-index: 1;
    }

    /* ── AVIS ── */
    .quote {
      position: relative;
      padding-top: 34px;
    }

    .quote::before {
      content: """;
      position: absolute;
      top: -6px;
      left: 0;
      font-size: 4rem;
      line-height: 1;
      color: rgba(13,74,110,.18);
      font-weight: 900;
    }

    /* ── FAQ ── */
    .faq-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      max-width: 980px;
      margin: 0 auto;
    }

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

    .faq-item {
      border-radius: var(--radius);
      background: var(--panel-strong);
      border: 1px solid rgba(255,255,255,.55);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 22px 24px;
      font-weight: 800;
      color: var(--dark);
      position: relative;
      padding-right: 58px;
    }

    .faq-item summary::-webkit-details-marker { display: none; }

    .faq-item summary::after {
      content: '+';
      position: absolute;
      right: 22px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1.5rem;
      line-height: 1;
      color: var(--wood);
      transition: transform .2s ease;
    }

    .faq-item[open] summary::after {
      content: '–';
    }

    .faq-content {
      padding: 0 24px 22px;
      color: var(--muted);
    }

    /* ── CTA PASSONS À L'ACTION ── */
    .cta-band {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: center;
      padding: 40px;
      border-radius: 30px;
      background: linear-gradient(135deg, rgba(255,255,255,.88), rgba(240,248,255,.92));
      box-shadow: var(--shadow-strong);
      border: 1px solid rgba(255,255,255,.7);
    }

    .cta-badge {
      display: inline-flex;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(42,159,214,.14);
      color: #0d4a6e;
      font-weight: 800;
      margin-bottom: 12px;
      font-size: 0.88rem;
    }

    /* ── CONTACT ── */
    form { display: grid; gap: 14px; }

    input, textarea, select {
      width: 100%;
      border: 1px solid rgba(31,41,55,.10);
      border-radius: 14px;
      padding: 14px 16px;
      font: inherit;
      color: var(--text);
      background: rgba(255,255,255,.92);
      outline: none;
      transition: border-color .2s;
    }

    input:focus, textarea:focus, select:focus {
      border-color: var(--copper);
    }

    textarea { min-height: 140px; resize: vertical; }

    .contact-card-dark {
      border-radius: 28px;
      padding: 32px;
      background: var(--grad-dark);
      color: #fff;
      box-shadow: var(--shadow-strong);
    }

    .contact-card-dark p { color: rgba(255,255,255,.78); margin-bottom: 10px; }
    .contact-card-dark strong { color: #fff; }

    .contact-info-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .contact-info-item:last-child { border-bottom: none; }

    .contact-icon {
      width: 36px;
      height: 36px;
      background: rgba(255,255,255,.10);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 1rem;
    }

    /* ── FOOTER ── */
    footer {
      padding: 32px 0 46px;
      border-top: 1px solid rgba(31,41,55,.08);
      color: var(--muted);
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-links { display: flex; gap: 20px; }
    .footer-links a { color: var(--muted); font-size: 0.88rem; }
    .footer-links a:hover { color: var(--dark); }

    /* ── RESPONSIVE ── */
    @media (max-width: 1080px) {
      .hero-inner,
      .cta-band,
      .contact-grid,
      .grid-3,
      .grid-4,
      .before-after,
      .testimonials,
      .trust-band,
      .process-grid { grid-template-columns: 1fr; }
      .menu { display: none; }
      .hero-grid-mini { grid-template-columns: 1fr 1fr; }
      .qsn-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
          "intro"
          "copy"
          "visual"
          "points";
      }
      .qsn-copy { padding-top: 0; }
      .qsn-points { grid-template-columns: 1fr; }
      .process-grid::before { display: none; }
    }

    .contact-info-item {
      gap: 0;
    }

    .contact-info-item > div {
      width: 100%;
    }

    /* ── MOBILE (≤ 600px) ── */
    @media (max-width: 600px) {
      /* Header */
      .nav {
        min-height: 64px;
        gap: 10px;
      }
      .logo-icon {
        width: 38px;
        height: 38px;
      }
      .logo-icon img {
        width: 80px;
        height: 80px;
      }
      .logo-name {
        font-size: 1.1rem;
      }
      .logo-sub {
        font-size: 0.6rem;
      }
      /* Bouton header "Devis gratuit" */
      .nav .btn {
        padding: 10px 14px;
        font-size: 0.82rem;
        gap: 6px;
      }

      /* Hero */
      .hero {
        padding: 52px 0 40px;
      }
      .eyebrow {
        font-size: 0.76rem;
        padding: 6px 10px;
        white-space: normal;
        text-align: center;
      }
      h1 {
        font-size: clamp(2rem, 9vw, 3rem);
      }
      .hero-copy p {
        font-size: 0.95rem;
      }
      .hero-actions {
        flex-direction: column;
        gap: 10px;
      }
      .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 15px 20px;
        font-size: 0.95rem;
      }
      .hero-grid-mini {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }
      .floating-badge {
        padding: 12px;
        font-size: 0.82rem;
        min-height: unset;
      }
      .floating-badge strong {
        font-size: 1rem;
      }

      /* Sections */
      section {
        padding: 46px 0;
      }
      h2 {
        font-size: clamp(1.6rem, 7vw, 2.4rem);
      }

      /* CTA band */
      .cta-band {
        padding: 28px 22px;
        text-align: center;
      }
      .cta-band .btn {
        width: 100%;
        justify-content: center;
      }

      /* Contact form */
      .contact-grid > div:first-child {
        display: none; /* masque la colonne infos sur mobile si besoin */
      }
      /* Afficher quand même les infos — annuler le masquage ci-dessus */
      .contact-card-dark {
        padding: 24px 18px;
      }

      /* Footer */
      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
      }
      .footer-links {
        flex-wrap: wrap;
        gap: 12px;
      }
    }

/* Option 2 — Premium */
.hero::before {
  background:
    linear-gradient(110deg, rgba(7,22,33,.84), rgba(7,22,33,.48)),
    radial-gradient(circle at right top, rgba(255,255,255,.12), transparent 26%),
    url('../img/hero.jpg') center/cover;
}
.hero-copy h1 {
  max-width: 760px;
  text-shadow: 0 10px 30px rgba(0,0,0,.22);
}
.hero-panel {
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
}
.floating-badge {
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}


    @media (max-width: 900px) {
      .card-img,
      .service-card-img {
        height: 220px;
      }
    }

    @media (max-width: 640px) {
      .card-img,
      .service-card-img {
        height: 190px;
      }
    }