/* Retouches sobres : la palette, les photos et la composition Mario Élag sont conservées. */
:root { color-scheme: dark; }
html { scroll-padding-top: 112px; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid #d8ff9a; outline-offset: 5px; }
.skip-link { position: fixed; left: 18px; top: -90px; z-index: 11000; padding: 14px 20px; border-radius: 14px; background: #d8ff9a; color: #071209; font-weight: 800; }
.skip-link:focus { top: 12px; }
#main-content:focus { outline: none; }
.topbar { gap: 14px; background: rgba(6, 18, 11, .88); }
.brand { min-width: 190px; }
.topbar nav { gap: 2px; }
.topbar nav a { padding-inline: 10px; }
.header-call { white-space: nowrap; padding-inline: 16px; }
.hero h1 { line-height: 1.02; letter-spacing: -.055em; }
.signature-card h2, .services h2, .showcase h2, .method h2, .seo-panel h2, .contact h2, .realisations h2, .emergency h2 { line-height: 1.07; }
.service-card, .steps article { border-color: rgba(214, 238, 198, .19); }
.signature-media img, .showcase-row img, .masonry img { background: #122119; }
.contact-buttons a { overflow-wrap: anywhere; }
#contact input, #contact textarea { border-color: rgba(210, 232, 198, .26); }
#contact textarea { resize: vertical; min-height: 150px; }
#contact form small { line-height: 1.6; }
.reviews-track:focus-visible, .review-arrow:focus-visible { outline-color: #2e6731; }
.floating-call { left: 20px; right: auto; bottom: 20px; max-width: calc(100vw - 210px); }
.anima-loader { transition: opacity .35s ease, visibility .35s ease; }
.anima-loader.loader-hide { transform: none; }
.exchange-section { padding-bottom: 36px; }
.exchange-heading { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 40px; margin-bottom: 32px; }
.exchange-heading h2 { font-size: clamp(32px, 4vw, 54px); line-height: 1.08; letter-spacing: -.045em; margin: 14px 0 0; text-wrap: balance; }
.exchange-heading > p { margin: 0; max-width: 480px; color: #cdd9cf; font-size: 17px; line-height: 1.75; }
.exchange-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.exchange-card { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; padding: 26px 22px; border: 1px solid rgba(214, 238, 198, .2); border-radius: 24px; background: linear-gradient(155deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .025)); }
.exchange-card > svg { width: 44px; height: 44px; padding: 10px; margin-bottom: 24px; border-radius: 14px; background: rgba(120, 182, 75, .13); stroke: #d8ff9a; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; fill: none; overflow: visible; }
.exchange-label { color: #c9e7b0; font-size: 11px; font-weight: 700; line-height: 1.5; }
.exchange-card h3 { font-size: 22px; line-height: 1.2; letter-spacing: -.02em; margin: 10px 0 0; }
.exchange-card p { color: #cbd7cd; font-size: 15px; line-height: 1.7; margin: 16px 0 24px; }
.exchange-card button { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; min-height: 48px; margin-top: auto; padding: 12px 0 0; background: none; border: 0; border-top: 1px solid rgba(214, 238, 198, .18); color: #dbf6c3; font-size: 14px; line-height: 1.45; font-weight: 800; text-align: left; transition: color .2s; }
.exchange-card button:hover { color: #fff; }
.exchange-card button span { font-size: 20px; }
.exchange-note { color: #b7c7ba; font-size: 14px; line-height: 1.7; margin: 22px 0 0; }
.exchange-note a { color: #dcf2cb; text-decoration: underline; text-underline-offset: 4px; white-space: nowrap; }
@media (max-width: 980px) {
  .brand { min-width: auto; }
  .exchange-heading { grid-template-columns: 1fr; gap: 20px; }
  .exchange-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .exchange-card { padding: 26px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 100px; }
  .hero h1 { font-size: clamp(36px, 10.75vw, 46px); line-height: 1.04; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { padding-inline: 18px; }
  .exchange-section { padding-bottom: 22px; }
  .exchange-heading h2 { max-width: 340px; }
  .exchange-grid { grid-template-columns: minmax(0, 1fr); }
  .exchange-card { padding: 24px; }
  .exchange-card > svg { margin-bottom: 18px; }
  .floating-call { left: 12px; right: auto; bottom: 20px; padding: 15px 16px; max-width: calc(100vw - 200px); }
}
@media (prefers-reduced-motion: reduce) {
  html, .reviews-track { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal, .service-card, .masonry figure, .review-card, .steps article { opacity: 1; transform: none; }
  .hero-video { transform: none; }
}