@font-face{font-family:'Barlow';font-style:italic;font-weight:400;font-display:swap;src:url(/fonts/barlow-400-italic.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/barlow-400.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/barlow-500.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow';font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/barlow-600.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/barlow-condensed-500.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/barlow-condensed-600.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/barlow-condensed-700.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Barlow Condensed';font-style:normal;font-weight:800;font-display:swap;src:url(/fonts/barlow-condensed-800.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-mono-500.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}

/* =========================================================
   Dune, géomètres-experts : plan technique, grille visible,
   jaune chantier, orange sécurité, bleu acier. Angles droits.
   ========================================================= */
:root {
  --papier: #F3F5F4;
  --blanc: #FFFFFF;
  --encre: #14181C;
  --encre-2: #3B4651;
  --acier: #2B4A62;
  --acier-f: #172B3B;
  --acier-cl: #DCE4EA;
  --acier-txt: #B9C9D6;
  --jaune: #FFC72C;
  --orange: #F2600C;
  --orange-txt: #A93F04;
  --trait: #C5CFD6;
  --g-min: rgba(43, 74, 98, .07);
  --g-maj: rgba(43, 74, 98, .14);
  --cond: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --sans: 'Barlow', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --wrap: 1240px;
  --pad: clamp(20px, 4vw, 40px);
  --head-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 100px; scrollbar-color: var(--acier) var(--acier-cl); }
body { margin: 0; background: var(--papier); color: var(--encre); font: 400 1.0625rem/1.62 var(--sans); caret-color: var(--orange); text-rendering: optimizeLegibility; }
::selection { background: var(--jaune); color: var(--encre); }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--acier); text-decoration-thickness: 1.5px; text-underline-offset: .2em; }
a:hover { color: var(--encre); text-decoration-color: var(--orange); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }
h1, h2, h3, .h2 { font-family: var(--cond); font-weight: 800; text-transform: uppercase; line-height: .95; letter-spacing: .005em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 2rem + 4.2vw, 5.4rem); }
.h2, h2 { font-size: clamp(2rem, 1.6rem + 1.8vw, 3.1rem); }
h3 { font-size: 1.55rem; line-height: 1; }
p { margin: 0 0 1em; }
.mono { font-family: var(--mono); font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.lead { font-size: clamp(1.12rem, 1rem + .4vw, 1.3rem); line-height: 1.5; color: var(--encre-2); max-width: 60ch; }
.intro { color: var(--encre-2); max-width: 65ch; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.wrap--etroit { max-width: 900px; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--jaune); color: var(--encre); padding: 10px 16px; font-weight: 600; }
.skip:focus { left: 8px; }

/* Grille de plan */
.grille, .hero, .phero, .section--grille {
  background-color: var(--papier);
  background-image:
    linear-gradient(var(--g-maj) 1px, transparent 1px), linear-gradient(90deg, var(--g-maj) 1px, transparent 1px),
    linear-gradient(var(--g-min) 1px, transparent 1px), linear-gradient(90deg, var(--g-min) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
}

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 22px; border: 2px solid var(--encre);
  font: 700 1.08rem/1 var(--cond); text-transform: uppercase; letter-spacing: .04em; text-decoration: none; cursor: pointer; transition: background-color .15s, color .15s, transform .15s; white-space: nowrap; }
.btn .ico { width: 20px; height: 20px; transition: transform .2s cubic-bezier(.16, 1, .3, 1); }
.btn:hover .ico { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--lg { min-height: 56px; padding: 0 26px; font-size: 1.2rem; }
.btn--jaune { background: var(--jaune); color: var(--encre); }
.btn--jaune:hover { background: var(--encre); color: var(--jaune); }
.btn--noir { background: var(--encre); color: var(--jaune); }
.btn--noir:hover { background: var(--acier-f); color: var(--blanc); }
.btn--ligne { background: var(--blanc); color: var(--encre); }
.btn--ligne:hover { background: var(--acier); border-color: var(--acier); color: var(--blanc); }
.btn--ligne .ico, .head__tel .ico { transform: none !important; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 18px; }
.ico { width: 22px; height: 22px; flex: none; }
.lien-fl { display: inline-flex; align-items: center; gap: 8px; font: 700 1.1rem var(--cond); text-transform: uppercase; letter-spacing: .04em; }
.lien-fl .ico { width: 18px; height: 18px; }
.rassure { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; color: var(--encre-2); margin: 0; max-width: 60ch; }
.rassure .ico { width: 20px; height: 20px; color: var(--acier); margin-top: 2px; }

/* À compléter */
.a-completer { display: inline-block; font: 500 .82rem/1.45 var(--mono); color: #7A2E00; padding: 3px 9px; border: 1.5px dashed var(--orange);
  background: repeating-linear-gradient(-45deg, #FFF3E8 0 8px, #FFE6D2 8px 16px); }
p.a-completer { display: block; width: fit-content; max-width: 100%; }

/* En-tête */
.head { position: sticky; top: 0; z-index: 50; background: var(--blanc); border-bottom: 2px solid var(--encre); }
.head__band { height: 6px; background: repeating-linear-gradient(-45deg, var(--jaune) 0 10px, var(--encre) 10px 20px); }
.head__in { display: flex; align-items: center; gap: 28px; min-height: var(--head-h); }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--encre); flex: none; }
.logo__mark { display: inline-block; font: 800 1.9rem/1 var(--cond); letter-spacing: .08em; padding: 6px 10px 5px 12px; border: 3px solid var(--encre); background: var(--jaune); color: var(--encre); }
.logo__mark--inv { border-color: var(--jaune); background: transparent; color: var(--jaune); }
.logo__txt { font: 600 .9rem/1.1 var(--cond); text-transform: uppercase; letter-spacing: .08em; color: var(--encre-2); }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav a { display: block; white-space: nowrap; padding: 10px 11px; font: 600 1.08rem/1 var(--cond); text-transform: uppercase; letter-spacing: .04em; color: var(--encre); text-decoration: none; border-bottom: 3px solid transparent; }
.nav a:hover { border-bottom-color: var(--orange); }
.nav a[aria-current="page"] { border-bottom-color: var(--jaune); }
.nav__extra { display: none; }
.head__actions { display: flex; align-items: center; gap: 12px; }
.head__tel { display: inline-flex; align-items: center; gap: 8px; font: 700 1.2rem/1 var(--cond); letter-spacing: .03em; color: var(--encre); text-decoration: none; white-space: nowrap; }
.head__tel .ico { color: var(--acier); }
.head__tel:hover { color: var(--acier); }
.burger { display: none; width: 48px; height: 48px; border: 2px solid var(--encre); background: var(--blanc); color: var(--encre); cursor: pointer; padding: 0; align-items: center; justify-content: center; }
.burger .ico-f { display: none; }
.burger[aria-expanded="true"] .ico-o { display: none; }
.burger[aria-expanded="true"] .ico-f { display: block; }

@media (max-width: 1180px) {
  .burger { display: inline-flex; }
  .nav { position: fixed; inset: calc(var(--head-h) + 8px) 0 0 0; background: var(--blanc); padding: 12px var(--pad) 40px; overflow-y: auto; transform: translateX(100%); visibility: hidden; transition: transform .3s cubic-bezier(.16, 1, .3, 1), visibility 0s .3s; }
  .nav.ouvert { transform: none; visibility: visible; transition: transform .3s cubic-bezier(.16, 1, .3, 1); }
  .nav ul { flex-direction: column; gap: 0; }
  .nav li { border-bottom: 1px solid var(--trait); }
  .nav a { padding: 16px 0; font-size: 1.6rem; font-weight: 700; border-bottom: 0; }
  .nav a[aria-current="page"] { color: var(--acier); }
  .nav__extra { display: grid; gap: 10px; margin-top: 24px; }
  .nav__tel { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px dashed var(--trait); color: var(--encre); text-decoration: none; font: 600 1.15rem var(--cond); text-transform: uppercase; }
  .nav__tel strong { font-weight: 700; color: var(--acier); }
  body.menu-ouvert { overflow: hidden; }
}
@media (max-width: 640px) {
  :root { --head-h: 64px; }
  .logo__mark { font-size: 1.5rem; padding: 5px 8px 4px 10px; }
  .logo__txt { display: none; }
  .head__in { gap: 12px; }
  .head__tel span { display: none; }
  .head__tel { width: 48px; height: 48px; justify-content: center; border: 2px solid var(--encre); }
  .head__devis { min-height: 48px; padding: 0 14px; }
}

/* Fil d'Ariane */
.fil { padding-top: 18px; padding-bottom: 0; }
.fil ol { display: flex; flex-wrap: wrap; gap: 4px 0; list-style: none; margin: 0; padding: 0; font: 500 .8rem var(--mono); color: var(--encre-2); }
.fil li + li::before { content: "/"; margin: 0 10px; color: var(--orange); }
.fil a { color: var(--encre-2); }

/* Accueil : hero */
.hero { padding: clamp(36px, 6vw, 72px) 0 clamp(40px, 6vw, 64px); border-bottom: 2px solid var(--encre); }
.hero__in { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.hero h1 { max-width: 12ch; }
.hero__plan { margin: 0; background: var(--blanc); border: 2px solid var(--encre); padding: 10px; box-shadow: 0 18px 40px -24px rgba(23, 43, 59, .45); }
.hero__plan figcaption { font-size: .74rem; color: var(--encre-2); padding: 8px 4px 0; border-top: 1px solid var(--trait); margin-top: 8px; }
@media (max-width: 900px) { .hero__in { grid-template-columns: 1fr; } }

/* Plan SVG */
.plan .g1 { stroke: rgba(43, 74, 98, .13); stroke-width: .6; }
.plan .g2 { stroke: rgba(43, 74, 98, .34); stroke-width: 1; }
.plan .gl { font: 500 10px var(--mono); fill: var(--acier); }
.plan .cote { stroke: var(--orange); stroke-width: 1.6; stroke-dasharray: 7 4; }
.plan .cote-l rect { fill: var(--blanc); stroke: var(--orange); stroke-width: 1.2; }
.plan .cote-l text { font: 500 11px var(--mono); fill: var(--encre); }
.plan .rep line { stroke: var(--encre); stroke-width: 1.4; }
.plan .rep rect { fill: var(--jaune); stroke: var(--encre); stroke-width: 2; }
.plan .rep--siege rect { fill: var(--orange); }
.plan .rep--actif rect { fill: var(--orange); }
.plan .rep-n { font: 700 17px var(--cond); text-transform: uppercase; letter-spacing: .04em; fill: var(--encre); paint-order: stroke; stroke: var(--blanc); stroke-width: 5px; stroke-linejoin: round; }
.plan .echelle rect { fill: var(--encre); stroke: var(--encre); stroke-width: 1; }
.plan .echelle rect.b { fill: var(--blanc); }
.plan .echelle text, .plan .nord text { font: 500 10px var(--mono); fill: var(--encre); }
.plan .nord path { fill: var(--encre); }

/* Cartouche */
.cartouche { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); margin: clamp(32px, 5vw, 56px) 0 0; border: 2px solid var(--encre); background: var(--blanc); }
.cartouche > div { padding: 14px 18px 16px; border-left: 1px solid var(--encre); }
.cartouche > div:first-child { border-left: 0; }
.cartouche dt { font: 600 .78rem/1.2 var(--cond); text-transform: uppercase; letter-spacing: .09em; color: var(--encre-2); margin-bottom: 6px; }
.cartouche dd { margin: 0; font: 700 1.5rem/1.05 var(--cond); text-transform: uppercase; }
.cartouche dd.mono { font: 500 1.05rem/1.4 var(--mono); text-transform: none; }
@media (max-width: 900px) {
  .cartouche { grid-template-columns: 1fr 1fr; }
  .cartouche > div { border-left: 0; border-top: 1px solid var(--encre); }
  .cartouche > div:first-child { grid-column: 1 / -1; border-top: 0; }
  .cartouche > div:nth-child(odd):not(:first-child) { border-left: 1px solid var(--encre); }
}

/* Sections */
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section--grille { border-top: 2px solid var(--encre); border-bottom: 2px solid var(--encre); }
.section--acier { background: var(--acier-f); color: #E8EEF2; }
.section--acier .h2 { color: var(--blanc); }
.section--tight { padding: clamp(36px, 5vw, 56px) 0; }

/* Nomenclature des prestations */
.nomencl ul { list-style: none; margin: 28px 0 0; padding: 0; border-top: 3px solid var(--encre); }
.nomencl li { border-bottom: 1px solid var(--trait); }
.nomencl a { display: grid; grid-template-columns: minmax(200px, 1.1fr) 1.7fr 1fr 32px; gap: 28px; align-items: baseline; padding: 24px 12px; color: var(--encre); text-decoration: none; transition: background-color .2s; }
.nomencl a:hover { background: var(--blanc); }
.nomencl__nom { font: 700 1.6rem/1 var(--cond); text-transform: uppercase; letter-spacing: .01em; }
.nomencl a:hover .nomencl__nom { text-decoration: underline; text-decoration-color: var(--orange); text-decoration-thickness: 3px; text-underline-offset: .18em; }
.nomencl__txt { color: var(--encre-2); }
.nomencl__liv { font: 500 .8rem/1.5 var(--mono); color: var(--acier); }
.nomencl__fl { align-self: center; color: var(--encre); transition: transform .25s cubic-bezier(.16, 1, .3, 1); }
.nomencl a:hover .nomencl__fl { transform: translateX(5px); color: var(--orange-txt); }
@media (max-width: 900px) {
  .nomencl a { grid-template-columns: 1fr 28px; gap: 8px 16px; padding: 20px 4px; }
  .nomencl__nom { grid-column: 1; }
  .nomencl__fl { grid-column: 2; grid-row: 1; }
  .nomencl__txt, .nomencl__liv { grid-column: 1 / -1; }
}

/* Tableau situations */
.situ { width: 100%; border-collapse: collapse; margin-top: 24px; background: var(--blanc); border: 2px solid var(--encre); }
.situ th { background: var(--encre); color: var(--blanc); font: 700 1rem var(--cond); text-transform: uppercase; letter-spacing: .08em; text-align: left; padding: 12px 18px; }
.situ td { padding: 16px 18px; border-top: 1px solid var(--trait); vertical-align: top; }
.situ td:last-child { width: 36%; border-left: 1px solid var(--trait); }
.situ td a { font: 700 1.2rem/1.1 var(--cond); text-transform: uppercase; letter-spacing: .02em; }
@media (max-width: 640px) {
  .situ thead { display: none; }
  .situ tr { display: block; border-top: 1px solid var(--trait); padding: 14px 16px; }
  .situ tr:first-child { border-top: 0; }
  .situ td { display: block; padding: 0; border: 0; }
  .situ td:last-child { width: auto; border: 0; margin-top: 6px; }
}

/* Étapes */
.etapes { list-style: none; counter-reset: e; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 32px 0 24px; padding: 0; border: 2px solid var(--encre); background: var(--blanc); }
.etapes li { counter-increment: e; padding: 22px 22px 26px; border-left: 1px solid var(--encre); display: grid; align-content: start; gap: 8px; }
.etapes li:first-child { border-left: 0; }
.etapes li::before { content: counter(e); display: grid; place-items: center; width: 40px; height: 40px; background: var(--jaune); border: 2px solid var(--encre); font: 800 1.4rem/1 var(--cond); margin-bottom: 8px; }
.etapes strong { font: 700 1.45rem/1 var(--cond); text-transform: uppercase; }
.etapes span { color: var(--encre-2); font-size: 1rem; }
@media (max-width: 900px) {
  .etapes { grid-template-columns: 1fr 1fr; }
  .etapes li:nth-child(3) { border-left: 0; }
  .etapes li:nth-child(n+3) { border-top: 1px solid var(--encre); }
}
@media (max-width: 560px) {
  .etapes { grid-template-columns: 1fr; }
  .etapes li { border-left: 0 !important; }
  .etapes li + li { border-top: 1px solid var(--encre); }
}

/* Bureaux */
.bureaux__grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 28px; border-top: 3px solid var(--jaune); }
.bureau { padding: 24px 22px 26px; border-left: 1px solid rgba(255, 255, 255, .22); border-bottom: 1px solid rgba(255, 255, 255, .22); }
.bureau:first-child { border-left: 0; }
.bureau--actif { background: rgba(255, 199, 44, .08); }
.bureau__role { font: 600 .78rem/1.3 var(--cond); text-transform: uppercase; letter-spacing: .09em; color: var(--acier-txt); margin: 0 0 8px; }
.bureau__ville { color: var(--blanc); font-size: 1.75rem; margin-bottom: 14px; }
.bureau p { margin: 0 0 10px; font-size: .98rem; }
.bureau a { color: var(--blanc); }
.bureau a:hover { color: var(--jaune); }
.bureau__tel a { display: inline-flex; align-items: center; gap: 8px; font: 700 1.45rem/1 var(--cond); letter-spacing: .03em; text-decoration: none; color: var(--jaune); }
.bureau__tel .ico { width: 20px; height: 20px; }
.bureau__mail { font-size: .92rem !important; word-break: break-all; }
.bureau__h { display: flex; gap: 8px; align-items: flex-start; color: #D9E2E9; }
.bureau__h .ico { width: 18px; height: 18px; margin-top: 3px; color: var(--acier-txt); }
.bureau__geo { font-size: .74rem !important; color: var(--acier-txt); }
.bureau__liens { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 16px !important; font-weight: 600; }
@media (max-width: 1100px) {
  .bureaux__grid { grid-template-columns: 1fr 1fr; }
  .bureau:nth-child(3) { border-left: 0; }
}
@media (max-width: 600px) {
  .bureaux__grid { grid-template-columns: 1fr; }
  .bureau { border-left: 0; padding: 22px 0; }
}
/* Bureaux sur fond clair */
.clair .bureaux__grid { border-top-color: var(--encre); }
.clair .bureau { border-color: var(--trait); }
.clair .bureau__ville { color: var(--encre); }
.clair .bureau a { color: var(--acier); }
.clair .bureau__tel a { color: var(--encre); }
.clair .bureau__role, .clair .bureau__geo, .clair .bureau__h .ico { color: var(--encre-2); }
.clair .bureau__h { color: var(--encre); }
.clair .bureau--actif { background: var(--blanc); outline: 2px solid var(--encre); outline-offset: -2px; }

/* Duo texte / visuel */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.duo p { max-width: 62ch; }
@media (max-width: 860px) { .duo { grid-template-columns: 1fr; } }

/* Photo à fournir */
.photo-vide { margin: 0; }
.photo-vide__cadre { aspect-ratio: 4 / 3; display: grid; place-items: center; border: 2px dashed var(--acier); background: var(--blanc) repeating-linear-gradient(45deg, transparent 0 14px, var(--g-maj) 14px 15px); }
.photo-vide__ico { width: 64px; height: 64px; color: var(--acier); }
.photo-vide figcaption { margin-top: 10px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--trait); background: transparent; }
.faq details:first-of-type { border-top: 3px solid var(--encre); margin-top: 24px; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding: 20px 4px; font: 700 1.35rem/1.15 var(--cond); text-transform: uppercase; letter-spacing: .01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 22px; height: 22px; margin-top: 1px; background: linear-gradient(var(--encre), var(--encre)) center / 100% 3px no-repeat, linear-gradient(var(--encre), var(--encre)) center / 3px 100% no-repeat; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--acier); }
.faq__r { padding: 0 4px 22px; max-width: 70ch; color: var(--encre-2); }
.faq__r p:last-child { margin: 0; }

/* Bande CTA */
.cta { background: var(--jaune); border-top: 2px solid var(--encre); position: relative; }
.cta::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 10px; background: repeating-linear-gradient(-45deg, var(--encre) 0 10px, transparent 10px 20px); }
.cta__in { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; padding-top: clamp(48px, 6vw, 72px); padding-bottom: clamp(40px, 6vw, 64px); }
.cta__t { font-size: clamp(2.1rem, 1.6rem + 2.2vw, 3.6rem); margin-bottom: .3em; }
.cta p { font-size: 1.15rem; max-width: 52ch; margin: 0; }
.cta__act { display: grid; gap: 14px; justify-items: start; }
.cta__tel { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; font: 700 1.6rem/1 var(--cond); color: var(--encre); text-decoration: none; letter-spacing: .02em; }
.cta__tel small { font: 500 .85rem var(--sans); letter-spacing: 0; }
@media (max-width: 860px) { .cta__in { grid-template-columns: 1fr; } }

/* En-tête de page intérieure */
.phero { padding: clamp(28px, 4vw, 48px) 0 clamp(40px, 6vw, 72px); border-bottom: 2px solid var(--encre); }
.fil + .phero, .fil + section { margin-top: 0; }
.phero__in { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.phero h1 { font-size: clamp(2.4rem, 1.8rem + 3.4vw, 4.6rem); max-width: 16ch; }
.phero__fig { background: var(--blanc); border: 2px solid var(--encre); padding: 14px; box-shadow: 0 18px 40px -24px rgba(23, 43, 59, .45); }
@media (max-width: 900px) { .phero__in { grid-template-columns: 1fr; } .phero__fig { max-width: 520px; } }
body:has(.fil) .phero, body:has(.fil) .hero { padding-top: clamp(20px, 3vw, 32px); }
main > .fil { background: var(--papier); }

/* Schémas */
.schema .sc-p { fill: var(--blanc); stroke: var(--encre); stroke-width: 2; }
.schema .sc-p2 { fill: #EEF2F5; }
.schema .sc-lim { stroke: var(--orange); stroke-width: 3.5; fill: none; }
.schema .sc-new { stroke-dasharray: 12 6; }
.schema .sc-b rect { fill: var(--jaune); stroke: var(--encre); stroke-width: 2; }
.schema .sc-t { font: 700 17px var(--cond); text-transform: uppercase; letter-spacing: .04em; fill: var(--encre); }
.schema .sc-c { font: 500 11.5px var(--mono); fill: var(--orange-txt); }
.schema .sc-cote line { stroke: var(--acier); stroke-width: 1.2; }
.schema .sc-cote text { font: 500 11px var(--mono); fill: var(--acier); }
.schema .sc-niv { fill: none; stroke: var(--acier); stroke-width: 1.3; opacity: .7; }
.schema .sc-res { fill: none; stroke: var(--orange); stroke-width: 2.5; stroke-dasharray: 10 5; }
.schema .sc-pt circle { fill: var(--encre); }
.schema .sc-ptl text { font: 500 11.5px var(--mono); fill: var(--acier); }
.schema .sc-voie { fill: none; stroke: #A7B3BC; stroke-width: 30; }
.schema .sc-lots path { fill: var(--blanc); stroke: var(--encre); stroke-width: 1.5; }
.schema .sc-bati { fill: var(--acier); }
.schema .sc-pins path { fill: var(--acier-cl); stroke: var(--acier); stroke-width: 1.2; }
.schema .sc-sol { stroke: var(--encre); stroke-width: 4; }

/* Article (pages prestations, villes, guides) */
.article { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(32px, 5vw, 72px); align-items: start; }
.prose { max-width: 72ch; }
.prose h2 { font-size: clamp(1.8rem, 1.5rem + 1.2vw, 2.5rem); margin-top: 1.6em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.4em; font-size: 1.45rem; }
.prose ul, .prose ol { padding-left: 0; margin: 0 0 1.2em; list-style: none; }
.prose ul li { position: relative; padding-left: 26px; margin-bottom: .45em; }
.prose ul li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 9px; height: 9px; background: var(--jaune); outline: 1.5px solid var(--encre); }
.prose ol { counter-reset: o; }
.prose ol li { counter-increment: o; position: relative; padding-left: 40px; margin-bottom: .7em; }
.prose ol li::before { content: counter(o); position: absolute; left: 0; top: .1em; width: 26px; height: 26px; display: grid; place-items: center; background: var(--encre); color: var(--jaune); font: 700 .95rem/1 var(--cond); }
.prose .note { background: var(--blanc); border: 1px solid var(--trait); border-top: 3px solid var(--acier); padding: 18px 20px; margin: 1.4em 0; }
.prose .note p:last-child { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.2em 0 1.6em; background: var(--blanc); border: 2px solid var(--encre); font-size: .98rem; }
.prose th { background: var(--encre); color: var(--blanc); font: 700 .95rem var(--cond); text-transform: uppercase; letter-spacing: .06em; text-align: left; padding: 10px 14px; }
.prose td { border-top: 1px solid var(--trait); padding: 12px 14px; vertical-align: top; }
.prose td + td, .prose th + th { border-left: 1px solid var(--trait); }

.aside { position: sticky; top: calc(var(--head-h) + 30px); display: grid; gap: 16px; }
.boite { background: var(--blanc); border: 2px solid var(--encre); padding: 22px; }
.boite--jaune { background: var(--jaune); }
.boite h2, .boite .boite__t { font: 800 1.6rem/1 var(--cond); text-transform: uppercase; margin: 0 0 10px; }
.boite p { font-size: .98rem; margin-bottom: 14px; }
.boite .btn { width: 100%; }
.boite__tel { display: flex; align-items: center; gap: 8px; font: 700 1.4rem/1 var(--cond); color: var(--encre); text-decoration: none; margin-top: 14px; }
.boite ul { list-style: none; margin: 0; padding: 0; }
.boite li { border-top: 1px solid var(--trait); }
.boite li a { display: flex; justify-content: space-between; gap: 10px; padding: 10px 0; text-decoration: none; color: var(--encre); font: 600 1.05rem/1.2 var(--cond); text-transform: uppercase; letter-spacing: .02em; }
.boite li a:hover { color: var(--acier); }
.boite li a .ico { width: 16px; height: 16px; }
@media (max-width: 980px) { .article { grid-template-columns: 1fr; } .aside { position: static; } }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
@media (max-width: 960px) { .contact-grid { grid-template-columns: 1fr; } }
.form { background: var(--blanc); border: 2px solid var(--encre); padding: clamp(20px, 3vw, 32px); display: grid; gap: 16px; }
.form h2 { font-size: 2rem; margin: 0; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }
.form label { display: grid; gap: 6px; font: 600 .95rem/1.2 var(--cond); text-transform: uppercase; letter-spacing: .06em; color: var(--encre); }
.form label small { font: 400 .85rem var(--sans); text-transform: none; letter-spacing: 0; color: var(--encre-2); }
.form input, .form select, .form textarea { width: 100%; font: 400 1.05rem/1.4 var(--sans); color: var(--encre); background: var(--papier); border: 1.5px solid var(--encre-2); border-radius: 0; padding: 12px 14px; min-height: 50px; text-transform: none; letter-spacing: 0; appearance: none; }
.form select { background-image: linear-gradient(45deg, transparent 50%, var(--encre) 50%), linear-gradient(135deg, var(--encre) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.form textarea { min-height: 130px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 3px solid var(--jaune); outline-offset: 0; border-color: var(--encre); background: var(--blanc); }
.form ::placeholder { color: #66727C; }
.form__rgpd { display: flex !important; grid-template-columns: none; gap: 12px !important; align-items: flex-start; font: 400 .92rem/1.45 var(--sans) !important; text-transform: none !important; letter-spacing: 0 !important; }
.form__rgpd input { width: 22px; height: 22px; min-height: 0; flex: none; margin: 1px 0 0; padding: 0; appearance: auto; accent-color: var(--encre); }
.form__msg { padding: 12px 14px; border: 2px solid var(--encre); font-weight: 500; }
.form__msg.ok { background: #E3F2E8; border-color: #1F6B3A; color: #164D2A; }
.form__msg.err { background: #FFEDE3; border-color: var(--orange); color: #7A2E00; }
.form button[disabled] { opacity: .6; cursor: progress; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.form__note { font-size: .88rem; color: var(--encre-2); margin: 0; }

/* Pied de page */
.foot { background: var(--encre); color: #C9D3DA; padding: clamp(48px, 6vw, 72px) 0 0; }
.foot__grid { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr 1.1fr; gap: 36px; }
.foot__brand p { max-width: 36ch; margin-top: 16px; }
.foot__h { font: 700 1.05rem var(--cond); letter-spacing: .1em; color: var(--jaune); margin: 0 0 14px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot a { color: var(--blanc); text-decoration-color: rgba(255, 255, 255, .35); }
.foot a:hover { color: var(--jaune); text-decoration-color: var(--jaune); }
.foot .btn { color: var(--encre); }
.foot .btn:hover { color: var(--jaune); outline: 2px solid var(--jaune); }
.foot__bureaux li { line-height: 1.35; }
.foot__tel { font: 600 1.05rem var(--cond); letter-spacing: .03em; color: #C9D3DA !important; text-decoration: none; }
.foot__bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 48px; padding-top: 20px; padding-bottom: 24px; border-top: 1px solid rgba(255, 255, 255, .16); font-size: .88rem; }
.foot__bas p { margin: 0; }
.foot__liens { display: flex; gap: 20px; flex-wrap: wrap; }
@media (max-width: 960px) { .foot__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot__grid { grid-template-columns: 1fr; } }

/* Barre mobile */
.mbar { display: none; }
@media (max-width: 900px) {
  .mbar { display: grid; grid-template-columns: 1fr 1.25fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; border-top: 2px solid var(--encre); padding-bottom: env(safe-area-inset-bottom); background: var(--encre); }
  .mbar a { display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 58px; font: 700 1.1rem/1 var(--cond); text-transform: uppercase; letter-spacing: .04em; text-decoration: none; }
  .mbar__tel { background: var(--acier); color: var(--blanc); }
  .mbar__devis { background: var(--jaune); color: var(--encre); }
  .mbar .ico { width: 20px; height: 20px; }
  body { padding-bottom: 60px; }
}

/* Divers */
.nw { white-space: nowrap; }
.faq { margin-top: 56px; }
@media (max-width: 600px) {
  .actions .btn { flex: 1 1 100%; }
  .plan .rep-n { font-size: 24px; stroke-width: 6px; }
  .plan .gl { font-size: 14px; }
  .plan .cote-l rect { width: 66px; x: -33px; height: 24px; y: -13px; }
  .plan .cote-l text { font-size: 15px; }
  h1 .nw { white-space: normal; }
}
.plan-site ul { columns: 2 280px; padding: 0; list-style: none; }
.plan-site li { padding: 6px 0; break-inside: avoid; }
.legal h2 { font-size: 1.6rem; margin-top: 1.6em; }
.experts { list-style: none; padding: 0; margin: 24px 0; border-top: 3px solid var(--encre); }
.experts li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; padding: 16px 4px; border-bottom: 1px solid var(--trait); }
.experts strong { font: 700 1.55rem/1 var(--cond); text-transform: uppercase; }
.experts span { font: 500 .85rem var(--mono); color: var(--acier); }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }
@media print { .head, .mbar, .cta, .foot, .aside { display: none !important; } }