/* =========================================================
   AMOTRA GUYANE — ambiance.css (proposition du 01/11/2026)
   1. Avant / après à faire glisser        .bas
   2. Sections qui « se construisent »     .rise / .is-in
   3. Carte de la Guyane                   .terrain / .gmap
   4. Grands chiffres                      .facts
   5. Bandes matières                      .matiere
   6. Plan d'architecte (pages métiers)    .page-head[data-plan] .plan
   7. Galerie plein écran                  .lbx
   Chargée après styles.css. Toutes les animations sont coupées
   si l'utilisateur demande « réduire les animations ».
   ========================================================= */

/* ---------- 1. Avant / après ---------- */
.bas {
  --pos: 50%;
  position: relative; margin: var(--space-6) 0; overflow: hidden;
  border-radius: var(--radius-sm); aspect-ratio: 4 / 5; max-width: 560px;
  background: var(--anthracite); user-select: none; touch-action: pan-y;
}
.bas img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.bas-before { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.bas-line {
  position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px;
  background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.15); pointer-events: none;
}
.bas-knob {
  position: absolute; top: 50%; left: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px;
  border-radius: 50%; background: var(--copper-btn); border: 2px solid #fff;
  display: grid; place-items: center; box-shadow: 0 4px 14px rgba(0,0,0,.3);
}
.bas-knob svg { width: 22px; height: 22px; }
.bas-range {
  position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize;
  -webkit-appearance: none; appearance: none;
}
.bas-range:focus-visible + .bas-line .bas-knob { outline: 3px solid var(--copper-light); outline-offset: 3px; }
.bas-tag {
  position: absolute; top: 14px; padding: 4px 10px; font-size: .74rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: #fff; background: rgba(31,34,38,.78); border-radius: var(--radius-xs); pointer-events: none;
}
.bas-tag--av { left: 14px; }
.bas-tag--ap { right: 14px; background: var(--copper-btn); }
.bas + .bas-note { font-size: .86rem; color: var(--muted); margin: calc(var(--space-4) * -1) 0 var(--space-6); }

/* ---------- 2. Construction au défilement ---------- */
.js-amb .rise > * {
  opacity: 0; transform: translateY(46px);
  clip-path: inset(100% 0 0 0);
  transition: opacity .5s ease, transform .9s cubic-bezier(.2,.7,.2,1), clip-path .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--i, 0) * 110ms);
}
.js-amb .rise.is-in > * { opacity: 1; transform: none; clip-path: inset(-20% -20% -20% -20%); }

/* ---------- 3 + 4. Section « Notre terrain » : chiffres + carte ---------- */
.terrain { background: var(--anthracite); color: var(--on-dark); position: relative; overflow: hidden; }
.terrain::before { /* trame de plan très légère */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .06;
  background-image:
    linear-gradient(#fff 1px, transparent 1px),
    linear-gradient(90deg, #fff 1px, transparent 1px);
  background-size: 48px 48px;
}
.terrain .container { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.terrain h2 { color: #fff; }
.terrain .eyebrow { color: var(--copper-light); }
.terrain-lead { color: var(--on-dark-muted); max-width: 34em; margin: 0 0 var(--space-8); }

.facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid rgba(255,255,255,.14); }
.fact { padding: var(--space-6) var(--space-4) var(--space-6) 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.fact:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.14); }
.fact:nth-child(even) { padding-left: var(--space-6); }
.fact-n {
  display: block; font-family: var(--font-display); font-weight: 600; line-height: 1;
  font-size: clamp(2.6rem, 5.4vw, 4.4rem); color: #fff; letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}
.fact-n small { font-size: .42em; color: var(--copper-light); margin-left: .15em; letter-spacing: .04em; }
.fact-l { display: block; margin-top: var(--space-3); color: var(--on-dark-muted); font-size: .95rem; }

.gmap { width: 100%; max-width: 440px; justify-self: center; }
.gmap svg { width: 100%; height: auto; display: block; overflow: visible; }
.gmap-land { fill: #34393f; stroke: var(--copper); stroke-width: 1.4; stroke-linejoin: round; }
.js-amb .gmap-land { stroke-dasharray: 1; stroke-dashoffset: 1; fill-opacity: 0; transition: stroke-dashoffset 2.4s ease, fill-opacity 1.2s ease 1.6s; }
.js-amb .is-in .gmap-land { stroke-dashoffset: 0; fill-opacity: 1; }
.gmap-pt { fill: var(--copper-light); }
.gmap-pt--hq { fill: #fff; }
.gmap-pulse { fill: none; stroke: var(--copper-light); stroke-width: 1.5; transform-box: fill-box; transform-origin: center; opacity: 0; }
.is-in .gmap-pulse { animation: gpulse 2.8s ease-out infinite; }
.gmap-lbl { font-family: var(--font-sans); font-size: 12.5px; fill: var(--on-dark); font-weight: 500; }
.gmap-lbl--hq { font-weight: 600; fill: #fff; }
.gmap-lead { stroke: rgba(255,255,255,.45); stroke-width: 1; fill: none; }
.gmap-pin { opacity: 0; transition: opacity .6s ease; transition-delay: calc(1.8s + var(--i, 0) * 220ms); }
.is-in .gmap-pin, html:not(.js-amb) .gmap-pin { opacity: 1; }
.gmap-cap { margin: var(--space-3) 0 0; font-size: .82rem; color: var(--on-dark-faint); text-align: center; }
@keyframes gpulse { 0% { opacity: .9; transform: scale(.6); } 100% { opacity: 0; transform: scale(3.2); } }

/* ---------- 5. Bandes matières ---------- */
.matiere {
  position: relative; height: clamp(110px, 14vw, 180px); overflow: hidden; background: var(--anthracite);
}
.matiere img {
  position: absolute; left: 0; width: 100%; height: 160%; top: -30%; object-fit: cover;
  transform: translate3d(0, var(--py, 0px), 0); will-change: transform;
}
.matiere::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(31,34,38,.55), rgba(31,34,38,0) 45%); }
.matiere-cap {
  position: absolute; left: max(24px, calc((100% - var(--maxw)) / 2 + 24px)); bottom: 14px; z-index: 1;
  font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: #fff; font-weight: 600;
}
.matiere-cap::before { content: ""; display: inline-block; width: 22px; height: 2px; background: var(--copper-light); vertical-align: middle; margin-right: 10px; }

/* ---------- 6. Plan d'architecte en fond (pages métiers) ---------- */
.page-head[data-plan] { position: relative; overflow: hidden; }
.page-head[data-plan] .container { position: relative; z-index: 1; }
.plan {
  position: absolute; right: max(0px, calc((100% - var(--maxw)) / 2 - 40px)); top: 50%; transform: translateY(-50%);
  height: 118%; width: auto; max-width: 60%; pointer-events: none; opacity: .55;
  -webkit-mask-image: radial-gradient(ellipse at 60% 50%, #000 55%, transparent 85%);
          mask-image: radial-gradient(ellipse at 60% 50%, #000 55%, transparent 85%);
}
.plan * { fill: none; stroke: var(--copper-light); stroke-linecap: square; vector-effect: non-scaling-stroke; }
.plan .p-wall { stroke-width: 2.2; }
.plan .p-part { stroke-width: 1.3; }
.plan .p-thin { stroke-width: .8; stroke: rgba(255,255,255,.45); }
.plan .p-dim { stroke-width: .8; stroke: rgba(255,255,255,.55); }
.plan .p-grid { stroke-width: .6; stroke: rgba(255,255,255,.12); }
.plan text { fill: rgba(255,255,255,.55); stroke: none; font: 500 11px var(--font-sans); letter-spacing: .08em; }
.js-amb .plan [pathLength] { stroke-dasharray: 1; stroke-dashoffset: 1; animation: pdraw 2.2s cubic-bezier(.4,.1,.2,1) forwards; animation-delay: calc(var(--d, 0) * 1ms); }
.js-amb .plan text { opacity: 0; animation: pfade .8s ease forwards; animation-delay: 2.1s; }
@keyframes pdraw { to { stroke-dashoffset: 0; } }
@keyframes pfade { to { opacity: 1; } }

/* ---------- 7. Galerie plein écran ---------- */
.gallery a { position: relative; cursor: zoom-in; }
.lbx {
  position: fixed; inset: 0; z-index: 1000; display: grid; grid-template-columns: 1fr; grid-template-rows: auto 1fr auto;
  background: rgba(22,24,27,.97); color: var(--on-dark); opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility 0s .25s;
}
.lbx.is-open { opacity: 1; visibility: visible; transition: opacity .25s ease; }
.lbx-top { display: flex; align-items: center; justify-content: space-between; padding: 16px clamp(16px, 3vw, 32px); }
.lbx-title { font-family: var(--font-display); font-size: 1rem; letter-spacing: .06em; color: #fff; margin: 0; }
.lbx-count { font-size: .85rem; color: var(--on-dark-muted); font-variant-numeric: tabular-nums; margin-left: 14px; }
.lbx-stage { position: relative; display: grid; place-items: center; min-height: 0; padding: 0 clamp(56px, 7vw, 96px); }
.lbx-img { max-width: 100%; max-height: calc(100vh - 190px); max-height: calc(100dvh - 190px); object-fit: contain; border-radius: var(--radius-xs); box-shadow: 0 20px 60px rgba(0,0,0,.5); transition: opacity .2s ease, transform .35s ease; }
.lbx-img.is-swap { opacity: 0; transform: scale(.985); }
.lbx-btn {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; cursor: pointer;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); color: #fff; padding: 0;
}
.lbx-btn:hover { background: var(--copper-btn); border-color: var(--copper-btn); }
.lbx-btn:focus-visible { outline: 3px solid var(--copper-light); outline-offset: 2px; }
.lbx-btn svg { width: 20px; height: 20px; }
.lbx-prev, .lbx-next { position: absolute; top: 50%; transform: translateY(-50%); }
.lbx-prev { left: clamp(8px, 2vw, 24px); }
.lbx-next { right: clamp(8px, 2vw, 24px); }
.lbx-strip { display: flex; gap: 8px; overflow-x: auto; padding: 14px clamp(16px, 3vw, 32px) 20px; scrollbar-width: thin; }
.lbx-strip button { flex: 0 0 auto; width: 72px; height: 54px; padding: 0; border: 2px solid transparent; border-radius: var(--radius-xs); overflow: hidden; cursor: pointer; background: #000; opacity: .55; }
.lbx-strip button[aria-current="true"] { border-color: var(--copper-light); opacity: 1; }
.lbx-strip img { width: 100%; height: 100%; object-fit: cover; display: block; }
html.lbx-lock { overflow: hidden; }


/* ---------- Devis en 3 étapes ---------- */
.steps-bar { display: none; list-style: none; padding: 0; margin: 0 0 var(--space-5); gap: 6px; counter-reset: st; }
.is-stepped .steps-bar { display: grid; grid-template-columns: repeat(3, 1fr); }
.steps-bar li { counter-increment: st; font-size: .78rem; font-weight: 600; color: var(--muted); padding-top: 10px; border-top: 3px solid var(--line); }
.steps-bar li::before { content: counter(st) ". "; }
.steps-bar li.is-on { border-top-color: var(--copper); color: var(--anthracite-deep); }
.step { border: 0; padding: 0; margin: 0 0 var(--space-4); min-width: 0; }
.step-t { font-family: var(--font-display); font-size: 1rem; letter-spacing: .04em; color: var(--anthracite-deep); margin-bottom: var(--space-4); padding: 0; }
.is-stepped .step-t { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.field-l { font-size: .86rem; font-weight: 600; color: var(--anthracite-deep); margin: 0 0 8px; }
.field-l .opt, .hint { font-weight: 400; color: var(--muted); font-size: .86rem; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: var(--space-4); }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-block; padding: 8px 14px; border: 1px solid var(--line); border-radius: var(--radius-pill); font-size: .86rem; color: var(--ink); background: var(--bg); transition: background .15s, border-color .15s, color .15s; }
.chip input:checked + span { background: var(--anthracite); border-color: var(--anthracite); color: #fff; }
.chip input:focus-visible + span { outline: 3px solid var(--copper-light); outline-offset: 2px; }
.step-nav { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.is-stepped .step-nav .btn-copper[data-next] { margin-left: auto; }
.is-stepped .step-nav #contactBtn { flex: 1; }
.step-nav [hidden] { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .terrain .container { grid-template-columns: 1fr; }
  .gmap { max-width: 340px; }
  .plan { height: 100%; max-width: none; right: -35%; opacity: .25; }
}
@media (max-width: 520px) {
  .fact:nth-child(even) { padding-left: var(--space-4); }
  .fact-l { font-size: .86rem; }
  .lbx-stage { padding: 0 8px; }
  .lbx-prev, .lbx-next { top: auto; bottom: -62px; transform: none; }
  .lbx-strip { padding-left: 70px; padding-right: 70px; }
  .bas { aspect-ratio: 4 / 5; }
}

/* ---------- Réduire les animations ---------- */
@media (prefers-reduced-motion: reduce) {
  .js-amb .rise > * { opacity: 1 !important; transform: none !important; clip-path: none !important; transition: none !important; }
  .js-amb .gmap-land { stroke-dashoffset: 0; fill-opacity: 1; transition: none; }
  .gmap-pin { opacity: 1; transition: none; }
  .is-in .gmap-pulse { animation: none; }
  .js-amb .plan [pathLength] { animation: none; stroke-dashoffset: 0; }
  .js-amb .plan text { animation: none; opacity: 1; }
  .matiere img { transform: none; }
  .lbx, .lbx-img { transition: none; }
}

/* ---------- Pages Méthode / Sécurité / Communes ---------- */
.timeline { list-style: none; padding: 0 !important; margin: var(--space-6) 0 var(--space-8); position: relative; }
.timeline::before { content: ""; position: absolute; left: 21px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { display: grid; grid-template-columns: 44px 1fr; gap: var(--space-4); margin-bottom: var(--space-6) !important; position: relative; }
.tl-n { width: 44px; height: 44px; border-radius: 50%; background: var(--anthracite); color: #fff; display: grid; place-items: center; font-family: var(--font-display); font-size: .95rem; position: relative; z-index: 1; }
.timeline h3 { margin: 6px 0 4px !important; font-size: 1.05rem; }
.timeline p { margin: 0; }
.cols2 { columns: 2; column-gap: var(--space-8); }
.cols2 li { break-inside: avoid; }
.cta-line { margin-top: var(--space-8); }
.demo { margin: var(--space-6) 0; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--bg-alt); box-shadow: 0 18px 40px rgba(31,34,38,.12); }
.demo-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--anthracite); color: var(--on-dark-muted); font-size: .8rem; flex-wrap: wrap; }
.demo-bar > span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.25); }
.demo-bar em { font-style: normal; margin-left: 8px; }
.demo-tag { margin-left: auto; background: var(--copper-btn); color: #fff; font-weight: 600; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; padding: 3px 8px; border-radius: var(--radius-xs); }
.demo-body { padding: var(--space-5); display: grid; gap: var(--space-4); }
.demo-hello { margin: 0; color: var(--ink) !important; }
.demo-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: var(--space-4) var(--space-5); }
.demo-card h4 { margin: 0; font-size: 1rem; color: var(--anthracite-deep); }
.demo-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.demo-st { font-size: .74rem; font-weight: 700; color: #fff; background: #2f7d4f; padding: 3px 10px; border-radius: var(--radius-pill); }
.demo-prog { height: 8px; background: var(--line); border-radius: 99px; margin: 14px 0 6px; overflow: hidden; }
.demo-prog i { display: block; height: 100%; background: var(--copper); border-radius: 99px; }
.demo-pct { font-size: .86rem; margin: 0 0 10px; }
.demo-card dl { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; margin: 0 0 10px; }
.demo-card dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.demo-card dd { margin: 0; font-size: .9rem; color: var(--ink); }
.demo-next, .demo-cr p { font-size: .9rem; margin: 0; }
.demo-ph { display: flex; gap: 8px; margin-top: 10px; }
.demo-ph span { width: 70px; height: 52px; border-radius: 4px; background: linear-gradient(135deg, #c9ccd0, #e6e3dd); }
.demo figcaption { font-size: .8rem; color: var(--muted); padding: 10px var(--space-5) 14px; }
@media (max-width: 520px) { .cols2 { columns: 1; } .demo-card dl { grid-template-columns: 1fr 1fr; } }
.pledges-more { margin-top: var(--space-6); display: flex; gap: var(--space-6); flex-wrap: wrap; }
.split > * { min-width: 0; }
.prose, .aside { overflow-wrap: break-word; }