/* =========================================================
       1. VARIABLES — Charte graphique Batous
       ========================================================= */
    :root {
      /* Couleurs de marque */
      --orange:        #EA8625;
      --orange-dark:   #C96E15;   /* hover boutons */
      --green:         #055E4E;
      --green-light:   #0A7361;

      /* Neutres & fonds */
      --bg:            #FFFFFF;
      --bg-alt:        #F6F4F0;   /* beige chaleureux pour alterner */
      --border:        #E4E0D8;
      --text:          #1C2B27;   /* quasi-noir verdâtre */
      --text-soft:     #5B6B66;   /* texte atténué */
      --text-invert:   #F3F1EC;   /* texte sur fond sombre */

      /* Système */
      --maxw:          1200px;
      --radius:        14px;
      --radius-sm:     8px;
      --shadow:        0 10px 30px rgba(28, 43, 39, 0.08);
      --shadow-hover:  0 18px 44px rgba(28, 43, 39, 0.14);
      --ease:          cubic-bezier(0.22, 1, 0.36, 1);

      --font-title:    "Poppins", system-ui, sans-serif;
      --font-body:     "Inter", system-ui, sans-serif;
    }

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

    html { scroll-behavior: smooth; scroll-padding-top: 90px; /* compense le header sticky */ }

    body {
      font-family: var(--font-body);
      color: var(--text);
      background: var(--bg);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    h1, h2, h3, h4 { font-family: var(--font-title); line-height: 1.15; font-weight: 600; }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    ul { list-style: none; }

    /* Conteneur centré standard */
    .container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }

    /* Rythme vertical des sections */
    .section { padding-block: clamp(64px, 9vw, 120px); }
    .section--alt  { background: var(--bg-alt); }
    .section--dark { background: var(--green); color: var(--text-invert); }

    /* Sur-titre (eyebrow) */
    .eyebrow {
      font-family: var(--font-title);
      font-weight: 600;
      font-size: 0.82rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      color: var(--orange);
      margin-bottom: 14px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--orange); }

    .section-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; max-width: 18ch; }
    .section--dark .section-title { color: #fff; }

    .lead { color: var(--text-soft); font-size: 1.08rem; max-width: 58ch; margin-top: 18px; }
    .section--dark .lead { color: rgba(243, 241, 236, 0.82); }

    /* =========================================================
       3. BOUTONS
       ========================================================= */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      font-family: var(--font-title);
      font-weight: 600;
      font-size: 0.98rem;
      padding: 14px 26px;
      border-radius: var(--radius-sm);
      border: 2px solid transparent;
      cursor: pointer;
      transition: transform 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
      white-space: nowrap;
    }
    .btn:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

    /* Primaire orange */
    .btn--primary { background: var(--orange); color: #fff; box-shadow: 0 8px 20px rgba(234, 134, 37, 0.32); }
    .btn--primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(234, 134, 37, 0.42); }

    /* Secondaire — contour clair (fond sombre) */
    .btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.55); }
    .btn--ghost-light:hover { background: #fff; color: var(--green); border-color: #fff; }

    /* Secondaire — contour vert (fond clair) */
    .btn--ghost-dark { background: transparent; color: var(--green); border-color: var(--green); }
    .btn--ghost-dark:hover { background: var(--green); color: #fff; }

    /* Lien fléché */
    .link-arrow {
      font-family: var(--font-title);
      font-weight: 600;
      color: var(--orange);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .link-arrow svg { transition: transform 0.2s var(--ease); }
    .link-arrow:hover svg { transform: translateX(5px); }

    /* =========================================================
       4. HEADER STICKY
       ========================================================= */
    .header {
      position: fixed;
      inset: 0 0 auto 0;
      z-index: 1000;
      background: rgba(5, 94, 78, 0.96);
      backdrop-filter: blur(8px);
      transition: box-shadow 0.3s var(--ease), padding 0.3s var(--ease);
    }
    .header.scrolled { box-shadow: 0 6px 24px rgba(0,0,0,0.18); }

    .nav { display: flex; align-items: center; justify-content: space-between; height: 76px; transition: height 0.3s var(--ease); }
    .header.scrolled .nav { height: 66px; }

    /* Logo texte (reproduit le wordmark : "B" en bloc + BATOUS) */
    .logo { display: flex; align-items: center; gap: 12px; }
    .logo__mark {
      height: 42px; width: auto;
      object-fit: contain;
      display: block;
      flex-shrink: 0;
    }
    .logo__text { display: flex; flex-direction: column; line-height: 1; }
    .logo__name { font-family: var(--font-title); font-weight: 700; font-size: 1.35rem; color: var(--orange); letter-spacing: 0.02em; }
    .logo__tag  { font-size: 0.68rem; color: rgba(243,241,236,0.8); letter-spacing: 0.04em; margin-top: 3px; }

    .nav__menu { display: flex; align-items: center; gap: 30px; }
    .nav__link { color: var(--text-invert); font-weight: 500; font-size: 0.96rem; position: relative; padding: 6px 0; }
    .nav__link::after {
      content: ""; position: absolute; left: 0; bottom: 0;
      width: 100%; height: 2px; background: var(--orange);
      transform: scaleX(0); transform-origin: left; transition: transform 0.25s var(--ease);
    }
    .nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }

    .nav__actions { display: flex; align-items: center; gap: 18px; }
    .nav__phone { color: var(--text-invert); font-weight: 600; font-family: var(--font-title); display: inline-flex; align-items: center; gap: 8px; }
    .nav__phone:hover { color: var(--orange); }
    .nav__menu-phone { display: none; } /* visible seulement dans le menu mobile */

    /* Burger mobile */
    .burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
    .burger span { width: 26px; height: 2px; background: #fff; transition: 0.3s var(--ease); border-radius: 2px; }
    .burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .burger.open span:nth-child(2) { opacity: 0; }
    .burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* =========================================================
       5. HERO
       ========================================================= */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      /* PLACEHOLDER PHOTO : remplacez l'URL par une vraie photo de chantier plein cadre.
         L'overlay vert garantit la lisibilité du texte par-dessus. */
      background:
        linear-gradient(115deg, rgba(5,94,78,0.94) 0%, rgba(5,94,78,0.72) 55%, rgba(10,115,97,0.55) 100%),
        var(--green-img, #0a4a3e);
      background-size: cover;
      background-position: center;
      color: #fff;
      overflow: hidden;
    }
    /* Texture géométrique discrète en fond du hero */
    .hero::after {
      content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.10;
      background-image:
        linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
      background-size: 64px 64px;
      mask-image: radial-gradient(circle at 70% 50%, #000 0%, transparent 70%);
    }
    .hero__inner { position: relative; z-index: 2; padding-block: 120px 60px; max-width: 760px; }
    .hero__slogan {
      font-family: var(--font-title); font-style: italic; font-weight: 500;
      color: var(--orange); font-size: 1.15rem; margin-bottom: 18px;
    }
    .hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; letter-spacing: -0.01em; }
    .hero__sub { font-size: clamp(1.05rem, 2vw, 1.25rem); color: rgba(243,241,236,0.9); margin-top: 22px; max-width: 56ch; }
    .hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }

    /* Indicateur de défilement */
    .scroll-cue { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 2; color: rgba(255,255,255,0.6); }
    .scroll-cue span { display: block; width: 24px; height: 38px; border: 2px solid currentColor; border-radius: 14px; position: relative; }
    .scroll-cue span::after {
      content: ""; position: absolute; top: 7px; left: 50%; transform: translateX(-50%);
      width: 4px; height: 7px; background: currentColor; border-radius: 2px;
      animation: scrollDot 1.6s var(--ease) infinite;
    }
    @keyframes scrollDot { 0% { opacity: 0; top: 7px; } 40% { opacity: 1; } 80% { opacity: 0; top: 18px; } 100% { opacity: 0; } }

    /* =========================================================
       6. BANDEAU DE CONFIANCE
       ========================================================= */
    .trust { background: var(--green); color: var(--text-invert); padding-block: 0; }
    .trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
    .trust__item { padding: 30px 26px; border-left: 1px solid rgba(255,255,255,0.12); display: flex; gap: 14px; align-items: flex-start; }
    .trust__item:first-child { border-left: 0; }
    .trust__item svg { flex-shrink: 0; color: var(--orange); margin-top: 2px; }
    .trust__item strong { font-family: var(--font-title); font-weight: 600; display: block; font-size: 1.02rem; }
    .trust__item span { font-size: 0.9rem; color: rgba(243,241,236,0.72); }

    /* =========================================================
       7. SERVICES
       ========================================================= */
    .services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }
    .card {
      background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 34px 30px; transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
      position: relative; overflow: hidden;
    }
    .card::before {
      content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 3px;
      background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease);
    }
    .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
    .card:hover::before { transform: scaleX(1); }
    .card__icon {
      width: 54px; height: 54px; border-radius: 12px;
      background: rgba(234,134,37,0.12); color: var(--orange);
      display: grid; place-items: center; margin-bottom: 20px;
    }
    .card h3 { font-size: 1.22rem; margin-bottom: 10px; }
    .card p { color: var(--text-soft); font-size: 0.98rem; }

    .services__more { margin-top: 40px; text-align: center; font-size: 1.05rem; }

    /* =========================================================
       8. POURQUOI BATOUS
       ========================================================= */
    .why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 52px; }
    .pillar { position: relative; padding-top: 16px; }
    .pillar__num {
      font-family: var(--font-title); font-weight: 700; font-size: 3.2rem;
      color: rgba(255,255,255,0.14); line-height: 1; margin-bottom: 14px;
    }
    .pillar h3 { font-size: 1.32rem; color: #fff; margin-bottom: 12px; }
    .pillar p { color: rgba(243,241,236,0.82); }
    .why__cta { margin-top: 50px; }

    /* =========================================================
       9. RÉALISATIONS (galerie placeholders)
       ========================================================= */
    .gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
    .shot {
      position: relative; border-radius: var(--radius); overflow: hidden;
      aspect-ratio: 4 / 3; cursor: pointer;
      background-color: #0a4a3e;
    }
    /* Couche photo (derrière l'overlay) avec léger zoom au survol */
    .shot::before {
      content: ""; position: absolute; inset: 0; z-index: 0;
      background-image: inherit; background-size: cover; background-position: center;
      transition: transform 0.5s var(--ease);
    }
    .shot:hover::before { transform: scale(1.06); }
    .shot__overlay {
      z-index: 1;
      position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
      padding: 22px; color: #fff;
      background: linear-gradient(to top, rgba(5,40,33,0.82) 0%, transparent 60%);
      transform: translateY(8px); opacity: 0.92; transition: 0.3s var(--ease);
    }
    .shot:hover .shot__overlay { transform: translateY(0); opacity: 1; }
    .shot:hover { box-shadow: var(--shadow-hover); }
    .shot__tag { font-size: 0.78rem; color: var(--orange); font-family: var(--font-title); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
    .shot__title { font-family: var(--font-title); font-weight: 600; font-size: 1.05rem; margin-top: 4px; }
    .gallery__more { margin-top: 40px; text-align: center; font-size: 1.05rem; }

    /* =========================================================
       9bis. LIGHTBOX / CARROUSEL PHOTOS
       ========================================================= */
    body.no-scroll { overflow: hidden; }
    .lightbox {
      position: fixed; inset: 0; z-index: 1000;
      display: none; align-items: center; justify-content: center;
      background: rgba(6, 20, 17, 0.94);
      padding: 24px;
      animation: lightboxFade 0.25s var(--ease);
    }
    .lightbox.open { display: flex; }
    @keyframes lightboxFade { from { opacity: 0; } to { opacity: 1; } }
    .lightbox__figure { max-width: min(92vw, 1100px); max-height: 86vh; margin: 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
    .lightbox__img { max-width: 100%; max-height: 80vh; object-fit: contain; border-radius: var(--radius-sm); box-shadow: 0 24px 60px rgba(0,0,0,0.5); }
    .lightbox__counter { color: rgba(243,241,236,0.72); font-family: var(--font-title); font-size: 0.9rem; letter-spacing: 0.02em; }
    .lightbox__close, .lightbox__nav {
      position: fixed; display: flex; align-items: center; justify-content: center;
      width: 46px; height: 46px; border-radius: 50%;
      background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.18);
      cursor: pointer; transition: background 0.2s var(--ease), transform 0.2s var(--ease);
    }
    .lightbox__close:hover, .lightbox__nav:hover { background: var(--orange); border-color: var(--orange); transform: scale(1.06); }
    .lightbox__close { top: 22px; right: 22px; }
    .lightbox__nav--prev { left: 22px; top: 50%; transform: translateY(-50%); }
    .lightbox__nav--next { right: 22px; top: 50%; transform: translateY(-50%); }
    .lightbox__nav--prev:hover { transform: translateY(-50%) scale(1.06); }
    .lightbox__nav--next:hover { transform: translateY(-50%) scale(1.06); }

    @media (max-width: 680px) {
      .lightbox__nav { width: 40px; height: 40px; }
      .lightbox__nav--prev { left: 10px; }
      .lightbox__nav--next { right: 10px; }
      .lightbox__close { top: 14px; right: 14px; }
    }

    /* =========================================================
       10. MÉTHODE (4 étapes)
       ========================================================= */
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 52px; position: relative; }
    .step { position: relative; padding-top: 8px; }
    .step__badge {
      width: 56px; height: 56px; border-radius: 50%;
      background: var(--green); color: #fff;
      display: grid; place-items: center;
      font-family: var(--font-title); font-weight: 700; font-size: 1.3rem;
      margin-bottom: 20px; position: relative; z-index: 2;
      box-shadow: 0 0 0 6px var(--bg-alt);
    }
    .step h3 { font-size: 1.18rem; margin-bottom: 8px; }
    .step p { color: var(--text-soft); font-size: 0.96rem; }
    /* Ligne de liaison entre étapes (desktop) */
    .steps::before {
      content: ""; position: absolute; top: 36px; left: 8%; right: 8%; height: 2px;
      background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 16px); z-index: 1;
    }
    .method__cta { margin-top: 50px; text-align: center; }

    /* =========================================================
       11. ZONE D'INTERVENTION (carte SVG interactive)
       ========================================================= */
    .zone__layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; margin-top: 30px; }
    .zone__list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
    .zone__chip {
      font-size: 0.9rem; padding: 7px 14px; border-radius: 30px;
      background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16);
      color: var(--text-invert); transition: 0.2s var(--ease); cursor: default;
    }
    .zone__chip[data-dep] { cursor: pointer; }
    .zone__chip.is-active { background: var(--orange); border-color: var(--orange); color: #fff; }

    .map-wrap { position: relative; }
    .idf-map { width: 100%; height: auto; max-width: 520px; display: block; margin-inline: auto; overflow: visible; }
    .idf-map .dep {
      fill: rgba(255,255,255,0.12);
      stroke: var(--green);
      stroke-width: 0.5;
      stroke-linejoin: round;
      transition: fill 0.2s var(--ease);
      cursor: pointer;
    }
    .idf-map .dep:hover, .idf-map .dep.is-active { fill: var(--orange); }
    .idf-map .dep--paris { fill: rgba(234,134,37,0.55); }
    .idf-map .dep--paris.is-active, .idf-map .dep--paris:hover { fill: var(--orange); }
    .idf-map .dep-num { fill: #fff; font-family: var(--font-title); font-weight: 600; font-size: 3.6px; pointer-events: none; }
    .map-tooltip {
      position: absolute; pointer-events: none; background: #fff; color: var(--text);
      padding: 7px 12px; border-radius: 8px; font-size: 0.85rem; font-weight: 600;
      box-shadow: var(--shadow); opacity: 0; transform: translate(-50%, -8px); transition: opacity 0.15s; white-space: nowrap;
      font-family: var(--font-title);
    }

    /* =========================================================
       12. TÉMOIGNAGES
       ========================================================= */
    .quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }
    .quote {
      background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
      padding: 32px 28px; position: relative;
    }
    .quote__mark { font-family: var(--font-title); font-size: 4rem; line-height: 0.6; color: rgba(234,134,37,0.25); position: absolute; top: 24px; right: 24px; }
    .quote__stars { color: var(--orange); margin-bottom: 16px; letter-spacing: 2px; }
    .quote p { font-size: 1rem; color: var(--text); margin-bottom: 22px; position: relative; z-index: 1; }
    .quote__author { display: flex; align-items: center; gap: 12px; }
    .quote__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; font-family: var(--font-title); font-weight: 600; }
    .quote__name { font-family: var(--font-title); font-weight: 600; font-size: 0.96rem; }
    .quote__role { font-size: 0.84rem; color: var(--text-soft); }

    /* =========================================================
       13. CONTACT / DEVIS
       ========================================================= */
    .contact__layout { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 48px; margin-top: 44px; }
    .form { display: grid; gap: 18px; }
    .form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .field { display: flex; flex-direction: column; gap: 7px; }
    .field label { font-size: 0.88rem; font-weight: 600; font-family: var(--font-title); }
    .field label .req { color: var(--orange); }
    .field input, .field select, .field textarea {
      font-family: var(--font-body); font-size: 1rem; color: var(--text);
      padding: 13px 15px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
      background: var(--bg); transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
      width: 100%;
    }
    .field textarea { resize: vertical; min-height: 120px; }
    .field input:focus, .field select:focus, .field textarea:focus {
      outline: 0; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(234,134,37,0.15);
    }
    .field input.invalid, .field select.invalid, .field textarea.invalid { border-color: #d64545; box-shadow: 0 0 0 3px rgba(214,69,69,0.12); }
    .field .error { color: #d64545; font-size: 0.8rem; display: none; }
    .field .error.show { display: block; }
    .form__note { font-size: 0.84rem; color: var(--text-soft); }
    .form__success {
      display: none; background: rgba(5,94,78,0.08); border: 1px solid var(--green);
      color: var(--green); padding: 16px 18px; border-radius: var(--radius-sm); font-weight: 500;
    }
    .form__success.show { display: block; }

    /* Bloc coordonnées */
    .contact__info { background: var(--green); color: var(--text-invert); border-radius: var(--radius); padding: 38px 34px; align-self: start; }
    .contact__info h3 { color: #fff; font-size: 1.3rem; margin-bottom: 24px; }
    .info-item { display: flex; gap: 14px; align-items: flex-start; padding-block: 16px; border-top: 1px solid rgba(255,255,255,0.12); }
    .info-item:first-of-type { border-top: 0; }
    .info-item svg { color: var(--orange); flex-shrink: 0; margin-top: 3px; }
    .info-item .info-label { font-size: 0.82rem; color: rgba(243,241,236,0.65); }
    .info-item .info-value { font-family: var(--font-title); font-weight: 600; font-size: 1.05rem; }
    .info-item a.info-value:hover { color: var(--orange); }

    /* =========================================================
       14. FOOTER
       ========================================================= */
    .footer { background: #06342b; color: rgba(243,241,236,0.78); padding-block: 60px 28px; }
    .footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
    .footer__about p { margin-top: 18px; font-size: 0.92rem; max-width: 38ch; }
    .footer h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
    .footer__links li { margin-bottom: 11px; }
    .footer__links a { font-size: 0.93rem; transition: color 0.2s; }
    .footer__links a:hover { color: var(--orange); }
    .footer__legal { font-size: 0.86rem; line-height: 1.7; }
    .footer__bottom {
      border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
      display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
      font-size: 0.84rem; color: rgba(243,241,236,0.55);
    }
    .footer__bottom a { color: var(--orange); }

    /* =========================================================
       15. ANIMATIONS AU SCROLL
       ========================================================= */
    .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
    .reveal.visible { opacity: 1; transform: none; }
    /* Effet décalé sur les enfants d'une grille */
    .reveal[data-stagger] > * { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
    .reveal.visible[data-stagger] > * { opacity: 1; transform: none; }
    .reveal.visible[data-stagger] > *:nth-child(1) { transition-delay: 0.05s; }
    .reveal.visible[data-stagger] > *:nth-child(2) { transition-delay: 0.13s; }
    .reveal.visible[data-stagger] > *:nth-child(3) { transition-delay: 0.21s; }
    .reveal.visible[data-stagger] > *:nth-child(4) { transition-delay: 0.29s; }
    .reveal.visible[data-stagger] > *:nth-child(5) { transition-delay: 0.37s; }
    .reveal.visible[data-stagger] > *:nth-child(6) { transition-delay: 0.45s; }

    @media (prefers-reduced-motion: reduce) {
      * { animation: none !important; transition: none !important; }
      .reveal, .reveal[data-stagger] > * { opacity: 1; transform: none; }
      html { scroll-behavior: auto; }
    }

    /* =========================================================
       16. RESPONSIVE
       ========================================================= */
    @media (max-width: 980px) {
      .services__grid, .why__grid, .gallery, .steps, .quotes { grid-template-columns: repeat(2, 1fr); }
      .steps::before { display: none; }
      .trust__grid { grid-template-columns: repeat(2, 1fr); }
      .trust__item:nth-child(odd) { border-left: 0; }
      .zone__layout, .contact__layout, .footer__grid { grid-template-columns: 1fr; gap: 36px; }
    }

    @media (max-width: 680px) {
      /* Header allégé : on retire le téléphone, la baseline et le bouton Devis,
         on ne garde que logo + burger. (Le devis reste accessible via les CTA
         du hero, des sections et du footer, ainsi que dans le menu.) */
      .nav__phone { display: none; }
      .logo__tag { display: none; }
      .nav__actions .btn--primary { display: none; }

      /* Menu déroulant plein largeur. Le décalage de translation
         ( -100% - 120px ) garantit qu'aucun bout ne dépasse quand il est fermé,
         quelle que soit sa hauteur. */
      .nav__menu {
        position: fixed; inset: 76px 0 auto 0;
        flex-direction: column; gap: 0;
        background: var(--green); padding: 10px 26px 34px;
        box-shadow: 0 24px 40px rgba(0,0,0,0.32);
        transform: translateY(calc(-100% - 120px));
        transition: transform 0.38s var(--ease);
        max-height: calc(100vh - 76px);
        overflow-y: auto;
      }
      .nav__menu.open { transform: translateY(0); }
      .nav__menu .nav__link {
        display: block; width: 100%;
        padding: 22px 4px;
        font-size: 1.2rem; font-weight: 600;
        border-bottom: 1px solid rgba(255,255,255,0.12);
      }
      .nav__menu .nav__link::after { display: none; } /* pas de soulignement animé en mobile */
      .nav__menu-phone { display: block; }
      .nav__menu-phone .nav__link { color: var(--orange); border-bottom: 0; }

      .burger { display: flex; }

      .services__grid, .why__grid, .gallery, .steps, .quotes, .trust__grid, .form__row { grid-template-columns: 1fr; }
      .hero__cta { flex-direction: column; align-items: stretch; }
      .hero__cta .btn { width: 100%; }

      /* "Comment ça se passe" : étapes et gros numéros centrés en mobile */
      .step { text-align: center; }
      .step__badge { margin-inline: auto; }
    }

    /* =========================================================
       17. PAGES LÉGALES (mentions légales, confidentialité…)
       ========================================================= */
    .legal { padding-block: clamp(48px, 8vw, 90px); }
    .legal__header { padding-bottom: 8px; }
    .legal__updated { color: var(--text-soft); font-size: 0.92rem; margin-top: 10px; }
    .legal__body { max-width: 74ch; margin-top: 44px; }
    .legal__body h2 {
      font-size: 1.3rem; margin-top: 44px; margin-bottom: 14px; color: var(--green);
    }
    .legal__body h2:first-child { margin-top: 0; }
    .legal__body h3 { font-family: var(--font-title); font-size: 1.05rem; margin-top: 26px; margin-bottom: 10px; }
    .legal__body p { margin-bottom: 14px; color: var(--text-soft); }
    .legal__body ul { margin: 0 0 14px; padding-left: 1.2em; list-style: disc; color: var(--text-soft); }
    .legal__body li { margin-bottom: 8px; }
    .legal__body a { color: var(--orange); text-decoration: underline; text-underline-offset: 2px; }
    .legal__body strong { color: var(--text); }
    .legal__back {
      display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-title);
      font-weight: 600; color: var(--green); margin-bottom: 22px;
    }
    .legal__back:hover { color: var(--orange); }