*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

    :root {
      --noir:    #0e0e0e;
      --charbon: #161616;
      --gris:    #1f1f1f;
      --bord:    rgba(255,255,255,0.07);
      --teal:    #4ab5b0;
      --gold:    #c9a84c;
      --blanc:   #f5f3ef;
      --gris-clair: rgba(245,243,239,0.55);
    }

    html { scroll-behavior: smooth; }

    body {
      background: var(--noir);
      color: var(--blanc);
      font-family: 'Montserrat', sans-serif;
      font-weight: 300;
      overflow-x: hidden;
      cursor: none;
    }

    /* ── CURSEUR ── */
    #cursor {
      width: 10px; height: 10px;
      background: var(--teal);
      border-radius: 50%;
      position: fixed; top: 0; left: 0;
      pointer-events: none;
      z-index: 9999;
      transition: transform .15s ease, background .2s;
      mix-blend-mode: screen;
    }
    #cursor.big { transform: scale(5); background: var(--gold); }

    /* ── NAV ── */
    nav {
      position: fixed; top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 24px 60px;
      background: linear-gradient(to bottom, rgba(14,14,14,0.95) 0%, transparent 100%);
      transition: background .4s;
    }
    nav.scrolled { background: rgba(14,14,14,0.97); border-bottom: 1px solid var(--bord); }
    .logo-nav { background: #fff; display: flex; align-items: center; box-shadow: 0 2px 16px rgba(0,0,0,0.35); overflow: hidden; }
    .logo-nav img.bureau-img { height: 68px; width: auto; display: block; object-fit: cover; }
    .logo-nav img.logo-img { height: 68px; width: auto; padding: 6px 14px; display: block; border-left: 1px solid #e8e8e8; }
    .nav-links { display: flex; gap: 40px; list-style: none; }
    .nav-links a {
      font-family: 'Montserrat', sans-serif;
      font-size: 10px; font-weight: 400;
      letter-spacing: 3px; text-transform: uppercase;
      color: var(--gris-clair);
      text-decoration: none;
      transition: color .25s;
    }
    .nav-links a:hover { color: var(--teal); }
    .nav-cta {
      font-size: 10px; font-weight: 400; letter-spacing: 2px; text-transform: uppercase;
      color: var(--noir); background: var(--teal);
      padding: 10px 22px; text-decoration: none;
      transition: background .25s;
    }
    .nav-cta:hover { background: var(--gold); }

    /* ── HERO ── */
    #hero {
      position: relative; height: 100vh;
      display: flex; flex-direction: column;
      justify-content: flex-end; padding: 80px 60px;
      overflow: hidden;
    }
    .hero-bg {
      position: absolute; inset: 0;
      background: url('../img/hero-batypique.webp') center/cover no-repeat;
      transform: scale(1.05);
      animation: slowZoom 18s ease-in-out infinite alternate;
    }
    @keyframes slowZoom { from { transform: scale(1.05); } to { transform: scale(1.12); } }
    .hero-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(
        135deg,
        rgba(14,14,14,0.82) 0%,
        rgba(14,14,14,0.4) 50%,
        rgba(14,14,14,0.72) 100%
      );
    }
    .hero-content { position: relative; z-index: 2; max-width: 680px; }
    .hero-tag {
      font-size: 9px; letter-spacing: 5px; text-transform: uppercase;
      color: var(--teal); margin-bottom: 20px;
      opacity: 0; animation: fadeUp .8s .3s forwards;
    }
    .hero-title {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(52px, 6.5vw, 88px);
      font-weight: 300; line-height: 1.05;
      letter-spacing: -1px;
      opacity: 0; animation: fadeUp .9s .5s forwards;
    }
    .hero-title em { font-style: italic; color: var(--teal); }
    .hero-sub {
      margin-top: 24px;
      font-size: 13px; font-weight: 300; letter-spacing: 1.5px;
      color: var(--gris-clair); line-height: 1.8;
      max-width: 420px;
      opacity: 0; animation: fadeUp .9s .7s forwards;
    }
    .hero-actions {
      margin-top: 40px; display: flex; gap: 20px; align-items: center;
      opacity: 0; animation: fadeUp .9s .9s forwards;
    }
    .btn-primary {
      font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
      color: var(--noir); background: var(--gold);
      padding: 14px 36px; text-decoration: none;
      transition: background .25s, transform .2s;
    }
    .btn-primary:hover { background: var(--teal); transform: translateY(-2px); }
    .btn-ghost {
      font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
      color: var(--blanc);
      text-decoration: none; border-bottom: 1px solid var(--bord);
      padding-bottom: 2px;
      transition: color .25s, border-color .25s;
    }
    .btn-ghost:hover { color: var(--teal); border-color: var(--teal); }
    .hero-scroll {
      position: absolute; bottom: 40px; right: 60px; z-index: 2;
      display: flex; flex-direction: column; align-items: center; gap: 10px;
      opacity: 0; animation: fadeUp .8s 1.2s forwards;
    }
    .hero-scroll span {
      font-size: 8px; letter-spacing: 4px; text-transform: uppercase;
      color: var(--gris-clair); writing-mode: vertical-rl;
    }
    .scroll-line {
      width: 1px; height: 60px;
      background: linear-gradient(to bottom, var(--teal), transparent);
      animation: lineAnim 2s 1.5s infinite;
    }
    @keyframes lineAnim {
      0%,100% { opacity: .3; transform: scaleY(1); }
      50% { opacity: 1; transform: scaleY(1.2); }
    }

    /* ── SECTION BASE ── */
    section { padding: 120px 60px; }
    .section-tag {
      font-size: 9px; letter-spacing: 5px; text-transform: uppercase;
      color: var(--teal); margin-bottom: 16px;
    }
    .section-title {
      font-family: 'Cormorant Garamond', serif;
      font-size: clamp(36px, 4vw, 58px);
      font-weight: 300; line-height: 1.1;
    }
    .section-title em { font-style: italic; color: var(--gold); }
    .divider {
      width: 48px; height: 1px;
      background: linear-gradient(to right, var(--teal), var(--gold));
      margin: 28px 0;
    }

    /* ── SERVICES ── */
    #services { background: var(--charbon); }
    .services-header { max-width: 560px; margin-bottom: 80px; }
    .services-header p {
      font-size: 14px; line-height: 1.9; color: var(--gris-clair);
    }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1px; background: var(--bord);
    }
    .service-card {
      background: var(--charbon);
      padding: 48px 36px;
      position: relative; overflow: hidden;
      transition: background .3s;
    }
    .service-card::before {
      content: '';
      position: absolute; top: 0; left: 0; right: 0; height: 2px;
      background: linear-gradient(to right, var(--teal), var(--gold));
      transform: scaleX(0); transform-origin: left;
      transition: transform .4s ease;
    }
    .service-card:hover { background: var(--gris); }
    .service-card:hover::before { transform: scaleX(1); }
    .service-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 48px; font-weight: 300;
      color: rgba(255,255,255,0.06);
      line-height: 1; margin-bottom: 24px;
    }
    .service-icon {
      width: 32px; height: 32px; margin-bottom: 20px;
      color: var(--teal);
    }
    .service-name {
      font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
      font-weight: 400; margin-bottom: 14px;
    }
    .service-desc {
      font-size: 13px; line-height: 1.8;
      color: var(--gris-clair);
    }

    /* ── PROJETS ── */
    #projets { background: var(--noir); padding-bottom: 80px; }
    .projets-header { margin-bottom: 60px; }
    .projets-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      grid-template-rows: auto;
      gap: 12px;
    }
    .projet-card {
      position: relative; overflow: hidden;
      cursor: none;
    }
    .projet-card:first-child {
      grid-column: span 2;
      grid-row: span 2;
    }
    .projet-card img {
      width: 100%; height: 100%;
      object-fit: cover; display: block;
      transition: transform .7s ease;
      min-height: 260px;
    }
    .projet-card:first-child img { min-height: 520px; }
    .projet-card:hover img { transform: scale(1.06); }
    .projet-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(to top, rgba(14,14,14,0.88) 0%, transparent 55%);
      opacity: 0; transition: opacity .4s;
    }
    .projet-card:hover .projet-overlay { opacity: 1; }
    .projet-info {
      position: absolute; bottom: 0; left: 0; right: 0;
      padding: 28px 28px;
      transform: translateY(8px);
      opacity: 0; transition: all .4s;
    }
    .projet-card:hover .projet-info { opacity: 1; transform: translateY(0); }
    .projet-cat {
      font-size: 8px; letter-spacing: 4px; text-transform: uppercase;
      color: var(--teal); margin-bottom: 6px;
    }
    .projet-nom {
      font-family: 'Cormorant Garamond', serif;
      font-size: 22px; font-weight: 300;
    }

    /* ── À PROPOS ── */
    #apropos {
      background: var(--gris);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0; padding: 0;
    }
    .apropos-img {
      height: 680px; overflow: hidden;
    }
    .apropos-img img {
      width: 100%; height: 100%;
      object-fit: cover;
      filter: grayscale(20%);
      transition: filter .4s;
    }
    .apropos-img:hover img { filter: grayscale(0%); }
    .apropos-text {
      padding: 100px 80px;
      display: flex; flex-direction: column; justify-content: center;
    }
    .apropos-text p {
      font-size: 14px; line-height: 2; color: var(--gris-clair);
      margin-bottom: 20px;
    }
    .apropos-text p strong {
      color: var(--blanc); font-weight: 500;
    }
    .stats {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 32px; margin-top: 40px;
    }
    .stat-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 42px; font-weight: 300;
      color: var(--teal); line-height: 1;
    }
    .stat-label {
      font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
      color: var(--gris-clair); margin-top: 6px;
    }

    /* ── CONTACT ── */
    #contact {
      background: var(--charbon);
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 0; padding: 0;
    }
    .contact-left {
      padding: 100px 80px;
      background: var(--noir);
      display: flex; flex-direction: column; justify-content: center;
    }
    .contact-left p {
      font-size: 14px; line-height: 2; color: var(--gris-clair);
      margin-top: 20px; max-width: 380px;
    }
    .contact-info { margin-top: 40px; }
    .contact-info a {
      display: block;
      font-size: 12px; letter-spacing: 2px;
      color: var(--gris-clair); text-decoration: none;
      margin-bottom: 12px;
      transition: color .25s;
    }
    .contact-info a:hover { color: var(--teal); }
    .contact-info a span {
      font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
      color: var(--teal); display: block; margin-bottom: 4px;
    }
    .contact-right { padding: 100px 80px; }
    .contact-right form { display: flex; flex-direction: column; gap: 20px; }
    .form-group { position: relative; }
    .form-group input,
    .form-group textarea,
    .form-group select {
      width: 100%; background: transparent;
      border: none; border-bottom: 1px solid var(--bord);
      color: var(--blanc);
      font-family: 'Montserrat', sans-serif;
      font-size: 13px; font-weight: 300;
      padding: 14px 0; outline: none;
      transition: border-color .3s;
      appearance: none;
    }
    .form-group select option { background: var(--charbon); color: var(--blanc); }
    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
      border-bottom-color: var(--teal);
    }
    .form-group label {
      position: absolute; top: 14px; left: 0;
      font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
      color: var(--gris-clair);
      transition: all .25s; pointer-events: none;
    }
    .form-group input:focus ~ label,
    .form-group input:not(:placeholder-shown) ~ label,
    .form-group textarea:focus ~ label,
    .form-group textarea:not(:placeholder-shown) ~ label {
      top: -12px; font-size: 8px; color: var(--teal);
    }
    .form-group textarea { resize: none; height: 100px; }
    .btn-submit {
      align-self: flex-start;
      font-family: 'Montserrat', sans-serif;
      font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
      font-weight: 400;
      background: var(--teal); color: var(--noir);
      border: none; padding: 16px 40px;
      cursor: none; transition: background .25s, transform .2s;
    }
    .btn-submit:hover { background: var(--gold); transform: translateY(-2px); }

    /* ── FOOTER ── */
    footer {
      background: var(--noir);
      border-top: 1px solid var(--bord);
      padding: 40px 60px;
      display: flex; align-items: center; justify-content: space-between;
    }
    footer img { height: 70px; background: #fff; padding: 6px 10px; image-rendering: -webkit-optimize-contrast; }
    .footer-links { display: flex; gap: 32px; }
    .footer-links a {
      font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
      color: var(--gris-clair); text-decoration: none;
      transition: color .25s;
    }
    .footer-links a:hover { color: var(--teal); }
    .footer-copy {
      font-size: 10px; color: rgba(245,243,239,0.25);
      letter-spacing: 1px;
    }

    /* ── ANIMATIONS ── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .reveal {
      opacity: 0; transform: translateY(30px);
      transition: opacity .8s ease, transform .8s ease;
    }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* ── RESPONSIVE ── */
    @media (max-width: 900px) {
      nav { padding: 20px 24px; }
      .nav-links, .nav-cta { display: none; }
      section { padding: 80px 24px; }
      #hero { padding: 60px 24px; }
      .hero-scroll { display: none; }
      .projets-grid { grid-template-columns: 1fr; }
      .projet-card:first-child { grid-column: span 1; grid-row: span 1; }
      #apropos, #contact { grid-template-columns: 1fr; }
      .apropos-img { height: 300px; }
      .apropos-text, .contact-left, .contact-right { padding: 60px 24px; }
      footer { flex-direction: column; gap: 20px; text-align: center; }
      .footer-links { flex-wrap: wrap; justify-content: center; }
    }

/* ══════════════════════════════════════════
   PAGES INTERNES — ajout 2026
   ══════════════════════════════════════════ */
.page-hero {
  position: relative; min-height: 52vh; display: flex; flex-direction: column;
  justify-content: flex-end; padding: 160px 60px 60px; overflow: hidden;
  background: var(--charbon); border-bottom: 1px solid var(--bord);
}
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 100%, rgba(74,181,176,0.10), transparent 60%);
  pointer-events: none;
}
.page-hero > * { position: relative; z-index: 2; }
.breadcrumb { font-size: 9px; letter-spacing: 3px; text-transform: uppercase; color: var(--gris-clair); margin-bottom: 28px; }
.breadcrumb a { color: var(--gris-clair); text-decoration: none; transition: color .25s; }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb span { color: rgba(245,243,239,0.25); margin: 0 8px; }
.page-hero h1 {
  font-family: 'Cormorant Garamond', serif; font-weight: 300;
  font-size: clamp(38px, 6vw, 76px); line-height: 1.02; letter-spacing: -1px; max-width: 16ch;
}
.page-hero h1 em { font-style: italic; color: var(--teal); }
.page-hero .page-sub {
  margin-top: 26px; max-width: 62ch; font-size: 14px; line-height: 1.9;
  color: var(--gris-clair); font-weight: 300;
}
.page-body { padding: 100px 60px; max-width: 1080px; }
.page-body h2 {
  font-family: 'Cormorant Garamond', serif; font-weight: 300;
  font-size: clamp(26px, 3.4vw, 40px); line-height: 1.15; margin: 64px 0 20px; letter-spacing: -0.5px;
}
.page-body h2:first-child { margin-top: 0; }
.page-body h2 em { font-style: italic; color: var(--teal); }
.page-body h3 {
  font-family: 'Montserrat', sans-serif; font-weight: 400; font-size: 12px;
  letter-spacing: 3px; text-transform: uppercase; color: var(--blanc);
  margin: 40px 0 14px;
}
.page-body p { font-size: 14px; line-height: 1.95; color: var(--gris-clair); font-weight: 300; margin-bottom: 18px; max-width: 74ch; }
.page-body p strong { color: var(--blanc); font-weight: 400; }
.page-body ul { list-style: none; margin: 4px 0 26px; max-width: 74ch; }
.page-body ul li {
  font-size: 13.5px; line-height: 1.85; color: var(--gris-clair); font-weight: 300;
  padding-left: 24px; position: relative; margin-bottom: 10px;
}
.page-body ul li::before { content: '—'; position: absolute; left: 0; color: var(--teal); }
.page-body a.inline { color: var(--teal); text-decoration: none; border-bottom: 1px solid rgba(74,181,176,0.4); padding-bottom: 1px; transition: border-color .25s; }
.page-body a.inline:hover { border-bottom-color: var(--teal); }
.page-cta {
  margin-top: 72px; padding: 44px 48px; background: var(--gris);
  border: 1px solid var(--bord); border-left: 2px solid var(--teal);
}
.page-cta p { margin-bottom: 24px; }
.encart {
  margin: 34px 0; padding: 28px 32px; background: var(--charbon);
  border: 1px solid var(--bord); max-width: 74ch;
}
.encart p:last-child { margin-bottom: 0; }
.encart .encart-titre {
  font-size: 9px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--teal); margin-bottom: 14px;
}
.form-error { display: none; color: var(--gold); font-size: 12px; letter-spacing: 1px; margin-top: 10px; line-height: 1.6; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 900px) {
  .page-hero { padding: 130px 24px 44px; min-height: auto; }
  .page-body { padding: 60px 24px; }
  .page-cta { padding: 32px 24px; }
  .encart { padding: 22px 20px; }
}

/* ── BANDEAU PC-SOLAIRE (accueil, sous le bandeau logo) ── */
#hero { height: auto; min-height: 100vh; padding-top: 230px; }
.pcs-bandeau {
  position: absolute; z-index: 3;
  top: 104px; left: 60px; width: 303px; /* recalé en JS sur la largeur réelle du bandeau logo */
  display: block; background: #fff; text-decoration: none;
  box-shadow: 0 2px 16px rgba(0,0,0,0.35); overflow: hidden;
}
.pcs-bandeau img { display: block; width: 100%; height: 68px; object-fit: cover; }
.pcs-lien {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 12px; background: var(--teal); color: #0e0e0e;
  font-family: 'Montserrat', sans-serif; font-size: 9px; font-weight: 500;
  letter-spacing: 2px; text-transform: uppercase; transition: background .25s;
}
.pcs-lien b { font-weight: 500; transition: transform .25s; }
.pcs-bandeau:hover .pcs-lien { background: var(--gold); }
.pcs-bandeau:hover .pcs-lien b { transform: translateX(4px); }
@media (max-width: 900px) {
  #hero { padding-top: 210px; }
  .pcs-bandeau { top: 100px; left: 24px; }
}
/* Bandeau logo : ne plus être écrasé par le menu entre 900 et 1300 px */
.logo-nav { flex-shrink: 0; }
@media (min-width: 901px) { .nav-only-mobile, .nav-links li:has(> .nav-only-mobile) { display: none; } }
@media (min-width: 901px) and (max-width: 1300px) {
  nav { padding-left: 32px; padding-right: 32px; }
  .nav-links { gap: 18px; margin: 0 18px; }
  .nav-links a { letter-spacing: 1.5px; }
  .nav-cta { letter-spacing: 1px; padding-left: 14px; padding-right: 14px; white-space: nowrap; }
  .pcs-bandeau { left: 32px; }
}
@media (min-width: 901px) and (max-width: 1060px) { .nav-cta { display: none; } }