/* PORTAILS 3DEVIS — feuille de style
   Palette exclusive : noir minéral, gris béton, argent, bronze. Typographie géométrique : Jost (OFL). */

@font-face {
  font-family: "Jost";
  src: url("/assets/fonts/jost-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --noir: #17191B;          /* noir minéral */
  --noir-2: #22252A;        /* noir minéral éclairé */
  --beton-fonce: #55554F;   /* gris béton foncé : texte secondaire */
  --beton: #8E8D88;         /* gris béton */
  --beton-clair: #CFCDC7;   /* filets, bordures */
  --beton-pale: #ECEBE7;    /* fonds de sections */
  --blanc-mineral: #F6F5F3; /* fond principal */
  --argent: #B7BBBF;
  --argent-clair: #DADDE0;
  --bronze: #8A6644;
  --bronze-texte: #73532F;  /* bronze lisible sur fond clair */
  --bronze-clair: #C29A6E;  /* bronze lisible sur fond sombre */

  --font: "Jost", "Futura", "Century Gothic", "Avenir Next", system-ui, sans-serif;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.45rem, 1.2rem + 1vw, 1.8rem);
  --step-3: clamp(1.8rem, 1.4rem + 1.8vw, 2.5rem);
  --step-4: clamp(2.3rem, 1.6rem + 3.2vw, 4rem);
  --step-5: clamp(2.6rem, 1.6rem + 4.6vw, 5.2rem);

  --wrap: 76rem;
  --gutter: clamp(1.15rem, 0.6rem + 2.4vw, 2.5rem);
  --radius: 2px;
  --header-h: 4.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.62;
  font-weight: 400;
  color: var(--noir);
  background: var(--blanc-mineral);
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--bronze-texte); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--noir); }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }
.band-dark :focus-visible, .site-header :focus-visible, .hero :focus-visible, .site-footer :focus-visible, .cta-band :focus-visible { outline-color: var(--bronze-clair); }

h1, h2, h3 { font-weight: 400; line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 0.6em; text-wrap: balance; }
h1 { font-size: var(--step-4); font-weight: 300; letter-spacing: -0.02em; }
h2 { font-size: var(--step-3); font-weight: 350; }
h3 { font-size: var(--step-1); font-weight: 500; letter-spacing: 0; }
p, ul, ol, dl { margin: 0 0 1.1em; }
strong { font-weight: 550; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.narrow { max-width: 48rem; }

.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--bronze-clair); color: var(--noir); padding: 0.6rem 1rem; }
.skip-link:focus { top: 1rem; }

/* ---------------------------------------------------------------- boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 3rem; padding: 0.7rem 1.4rem;
  font: inherit; font-weight: 500; font-size: 1rem; letter-spacing: 0.01em;
  border: 1px solid transparent; border-radius: var(--radius);
  text-decoration: none; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s;
}
.btn-bronze { background: var(--bronze); color: #fff; }
.btn-bronze:hover { background: var(--bronze-texte); color: #fff; }
.btn-dark { background: var(--noir); color: var(--blanc-mineral); }
.btn-dark:hover { background: var(--noir-2); color: #fff; }
.btn-ghost { border-color: var(--argent); color: var(--blanc-mineral); background: transparent; }
.btn-ghost:hover { border-color: var(--blanc-mineral); color: #fff; }
.btn-line { border-color: var(--beton); color: var(--noir); background: transparent; }
.btn-line:hover { border-color: var(--noir); }

/* ---------------------------------------------------------------- en-tête */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--noir); color: var(--blanc-mineral); border-bottom: 1px solid #2D3035; }
.header-in { display: flex; align-items: center; gap: 1.5rem; min-height: var(--header-h); }
.brand { flex: 0 0 auto; }
.brand img { width: 168px; height: auto; }
.nav { display: flex; align-items: center; gap: 0.25rem; margin-left: auto; }
.nav-group { position: relative; }
.nav-group summary, .nav-link {
  display: flex; align-items: center; gap: 0.35rem; padding: 0.55rem 0.75rem; cursor: pointer; list-style: none;
  color: var(--argent-clair); text-decoration: none; font-size: 0.98rem; border-radius: var(--radius);
}
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after { content: ""; width: 0.42em; height: 0.42em; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-0.12em) rotate(45deg); }
.nav-group[open] summary::after { transform: translateY(0.1em) rotate(-135deg); }
.nav-group summary:hover, .nav-link:hover, .nav-group[open] summary { color: #fff; }
.nav-group.is-current > summary, .nav-link[aria-current="page"] { color: #fff; box-shadow: inset 0 -2px 0 var(--bronze-clair); }
.nav-group ul {
  position: absolute; top: calc(100% + 0.6rem); left: 0; min-width: 15rem; margin: 0; padding: 0.5rem;
  list-style: none; background: var(--noir-2); border: 1px solid #34383E; border-top: 2px solid var(--bronze);
}
.nav-group ul a { display: block; padding: 0.5rem 0.75rem; color: var(--argent-clair); text-decoration: none; }
.nav-group ul a:hover, .nav-group ul a[aria-current="page"] { color: #fff; background: #2C3036; }
.nav-cta { margin-left: 0.75rem; min-height: 2.6rem; padding: 0.5rem 1.1rem; }
.menu-toggle { display: none; }

@media (max-width: 66rem) {
  .header-in { justify-content: space-between; }
  .menu-toggle {
    display: inline-flex; align-items: center; gap: 0.6rem; color: var(--blanc-mineral); text-decoration: none;
    padding: 0.6rem 0.9rem; border: 1px solid #3B3F45; border-radius: var(--radius); font-size: 0.95rem; background: none; font-family: inherit; cursor: pointer;
  }
  .menu-bars, .menu-bars::before, .menu-bars::after { display: block; width: 1.1rem; height: 1.5px; background: currentColor; position: relative; }
  .menu-bars::before, .menu-bars::after { content: ""; position: absolute; left: 0; }
  .menu-bars::before { top: -5px; } .menu-bars::after { top: 5px; }
  .nav { display: none; }
  .nav.is-open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; left: 0; right: 0; top: 100%; max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    padding: 0.5rem var(--gutter) 1.5rem; background: var(--noir); border-bottom: 1px solid #2D3035;
  }
  .nav.is-open .nav-group summary, .nav.is-open .nav-link { padding: 0.9rem 0; font-size: 1.05rem; border-bottom: 1px solid #2B2E33; justify-content: space-between; }
  .nav.is-open .nav-group ul { position: static; min-width: 0; border: 0; background: none; padding: 0 0 0.5rem 0.75rem; }
  .nav.is-open .nav-cta { margin: 1.25rem 0 0; }
  .nav-group.is-current > summary, .nav-link[aria-current="page"] { box-shadow: none; }
}

/* ---------------------------------------------------------------- hero (accueil) */
.hero { background: var(--noir); color: var(--blanc-mineral); overflow: hidden; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; padding-block: clamp(3rem, 7vw, 6.5rem); }
.hero h1 { margin-bottom: 1.4rem; }
.h1-claim { display: block; font-size: var(--step-5); font-weight: 300; line-height: 1.02; letter-spacing: -0.03em; }
.h1-sub { display: block; margin-top: 1.1rem; font-size: var(--step-1); font-weight: 400; letter-spacing: 0.01em; color: var(--argent); line-height: 1.35; }
.hero-lead { max-width: 36rem; color: var(--argent-clair); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.8rem 0 1rem; }
.hero-note { color: var(--beton); font-size: var(--step--1); margin: 0; }
.hero-art { position: relative; }
.hero-gate { width: 100%; }
.hb-panel { fill: #1C1F22; stroke: #2A2E33; stroke-width: 1; }
.hb-tie { fill: #2E3237; }
.hb-ground { fill: #202326; }
.hb-groundline { fill: var(--beton); }
.hb-rail { fill: #4A4D51; }
.hb-frame { fill: none; stroke: var(--argent); stroke-width: 2; }
.hb-slat { fill: var(--argent); opacity: 0.88; }
.hb-bronze { fill: var(--bronze-clair); }
.hb-wheel { fill: var(--noir); stroke: var(--argent); stroke-width: 2; }
.hb-post { fill: var(--beton); }
.hero-leaf { transform: translateX(0); animation: gate-open 2.4s cubic-bezier(.55, 0, .25, 1) 0.6s both; }
@keyframes gate-open { from { transform: translateX(0); } to { transform: translateX(-226px); } }

@media (max-width: 52rem) {
  .hero-in { grid-template-columns: minmax(0, 1fr); padding-block: 2.5rem 2rem; }
  .hero-art { order: 2; margin-inline: calc(-1 * var(--gutter) / 2); }
}

/* ---------------------------------------------------------------- sections accueil */
.band { padding-block: clamp(3rem, 6vw, 5.5rem); }
.band-pale { background: var(--beton-pale); }
.band-dark { background: var(--noir); color: var(--blanc-mineral); }
.band-dark a:not(.btn) { color: var(--bronze-clair); }
.sec-head { max-width: 46rem; margin-bottom: 2.5rem; }
.sec-head p { color: var(--beton-fonce); font-size: 1.1rem; }
.band-dark .sec-head p { color: var(--argent); }
.sec-more { margin: 2rem 0 0; }

.ouv-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 2rem); }
.ouv { border-top: 1px solid var(--beton); padding-top: 1rem; }
.ouv-link { display: block; text-decoration: none; color: var(--noir); }
.ouv-link img { background: var(--blanc-mineral); border: 1px solid var(--beton-clair); }
.ouv-t { display: block; font-size: var(--step-2); font-weight: 400; margin: 1rem 0 0.4rem; letter-spacing: -0.01em; }
.ouv-link:hover .ouv-t { color: var(--bronze-texte); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
.ouv p { color: var(--beton-fonce); margin: 0; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 1.5em; }
table { width: 100%; border-collapse: collapse; font-size: 0.98rem; min-width: 34rem; }
th, td { text-align: left; vertical-align: top; padding: 0.85rem 1rem 0.85rem 0; border-bottom: 1px solid var(--beton-clair); }
thead th { font-weight: 500; border-bottom: 2px solid var(--noir); color: var(--noir); }
tbody th { font-weight: 500; }
.mat-table thead th a { color: var(--noir); font-size: var(--step-1); font-weight: 400; }
.mat-table thead th a:hover { color: var(--bronze-texte); }
.mat-table { table-layout: fixed; }
.mat-table thead th:first-child { width: 18%; }
.mat-table td { color: var(--beton-fonce); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; counter-reset: s; border-top: 1px solid #3A3E44; }
.steps li { counter-increment: s; padding: 1.5rem 1.5rem 0.5rem 0; position: relative; }
.steps li + li { padding-left: 1.5rem; border-left: 1px solid #3A3E44; }
.steps li::before { content: counter(s); display: block; font-size: var(--step-3); font-weight: 300; color: var(--bronze-clair); line-height: 1; margin-bottom: 1rem; }
.steps h3 { font-size: var(--step-1); }
.steps p { color: var(--argent); margin: 0; }

.exp-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(1.5rem, 3vw, 3rem); }
.exp-list li { padding: 1.2rem 0; border-top: 1px solid var(--beton-clair); }
.exp-list a { font-size: var(--step-1); font-weight: 450; color: var(--noir); text-decoration: none; }
.exp-list a:hover { color: var(--bronze-texte); text-decoration: underline; }
.exp-list p { margin: 0.35rem 0 0; color: var(--beton-fonce); font-size: 0.98rem; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.price-box { background: var(--blanc-mineral); border: 1px solid var(--beton-clair); padding: clamp(1.25rem, 3vw, 2rem); }
.price-teaser { margin: 0; }
.price-teaser div { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; padding: 0.9rem 0; border-bottom: 1px solid var(--beton-clair); }
.price-teaser dt { color: var(--beton-fonce); }
.price-teaser dd { margin: 0; font-weight: 500; white-space: nowrap; }
.price-note { margin: 1rem 0 0; font-size: var(--step--1); color: var(--beton-fonce); }

.reg-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--noir); }
.reg-list li + li { border-left: 1px solid var(--beton-clair); }
.reg-list a { display: block; height: 100%; padding: 1.25rem 1.1rem 1.4rem; text-decoration: none; color: var(--noir); }
.reg-list a:hover { background: var(--beton-pale); }
.reg-n { display: block; font-size: var(--step-2); font-weight: 400; margin-bottom: 0.5rem; }
.reg-d { display: block; color: var(--beton-fonce); font-size: 0.95rem; line-height: 1.5; }

@media (max-width: 60rem) {
  .ouv-list, .exp-list { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .reg-list { grid-template-columns: 1fr 1fr; }
  .reg-list li { border-bottom: 1px solid var(--beton-clair); }
  .reg-list li:nth-child(odd) { border-left: 0; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 40rem) {
  .ouv-list, .exp-list, .steps, .reg-list { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding-left: 0; border-left: 0; border-bottom: 1px solid #3A3E44; padding-bottom: 1.5rem; }
  .reg-list li + li { border-left: 0; }
  .price-teaser div { flex-direction: column; gap: 0.15rem; }
}

/* ---------------------------------------------------------------- pages intérieures */
.page-head { background: var(--beton-pale); border-bottom: 1px solid var(--beton-clair); padding-block: 1.5rem clamp(2rem, 4vw, 3.25rem); }
.page-head h1 { max-width: 20ch; margin-top: 1.25rem; }
.lead { max-width: 44rem; font-size: 1.18rem; line-height: 1.55; color: var(--beton-fonce); margin: 0; }
.article-meta { margin: 1rem 0 0; font-size: var(--step--1); color: var(--beton-fonce); }

.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0; margin: 0; font-size: var(--step--1); color: var(--beton-fonce); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.35rem; color: var(--beton); }
.breadcrumb a { color: var(--beton-fonce); }

.page-grid { display: grid; grid-template-columns: minmax(0, 1fr) 19rem; gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(2.5rem, 5vw, 4rem); align-items: start; }
.prose { max-width: 44rem; }
.prose-solo { padding-block: clamp(2.5rem, 5vw, 4rem); }
.prose section + section { margin-top: 2.75rem; }
.prose h2 { font-size: var(--step-2); font-weight: 450; padding-top: 1.1rem; border-top: 1px solid var(--beton-clair); }
.prose h3 { margin-top: 1.6rem; margin-bottom: 0.35rem; }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.45rem; }
.prose li::marker { color: var(--bronze); }
.prose ol li::marker { font-weight: 500; }

.schema { margin: 2rem 0; }
.schema img { width: 100%; background: #fff; border: 1px solid var(--beton-clair); }
.schema figcaption { font-size: var(--step--1); color: var(--beton-fonce); margin-top: 0.6rem; }

.facts { position: sticky; top: calc(var(--header-h) + 1.5rem); background: var(--noir); color: var(--blanc-mineral); padding: 1.5rem; border-top: 3px solid var(--bronze-clair); }
.facts-h { font-size: var(--step-1); font-weight: 500; margin-bottom: 1rem; border: 0; padding: 0; }
.facts dl { margin: 0 0 1.5rem; }
.facts dl div { padding: 0.65rem 0; border-top: 1px solid #34383E; }
.facts dt { font-size: var(--step--1); color: var(--argent); }
.facts dd { margin: 0.15rem 0 0; line-height: 1.45; }
.facts dd a { color: var(--bronze-clair); }
.facts .btn { width: 100%; background: var(--bronze); color: #fff; }
.facts .btn:hover { background: var(--bronze-clair); color: var(--noir); }
.facts-note { margin: 0.75rem 0 0; font-size: var(--step--1); color: var(--argent); text-align: center; }

.checklist { margin-top: 3rem; padding: 1.5rem 1.5rem 0.5rem; background: var(--beton-pale); border-left: 3px solid var(--bronze); }
.checklist h2 { border: 0; padding-top: 0; }
.ticks { list-style: none; padding-left: 0 !important; }
.ticks li { position: relative; padding-left: 1.8rem; }
.ticks li::before { content: ""; position: absolute; left: 0.2rem; top: 0.45em; width: 0.45rem; height: 0.8rem; border-right: 2px solid var(--bronze); border-bottom: 2px solid var(--bronze); transform: rotate(45deg); }

.faq { margin-top: 3rem; }
.faq-item { border-bottom: 1px solid var(--beton-clair); }
.faq-item:first-of-type { border-top: 1px solid var(--beton-clair); }
.faq-item summary { cursor: pointer; list-style: none; padding: 1.1rem 2.5rem 1.1rem 0; font-weight: 500; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ""; position: absolute; right: 0.5rem; top: 50%; width: 0.9rem; height: 1.5px; background: var(--bronze); }
.faq-item summary::before { content: ""; position: absolute; right: calc(0.5rem + 0.45rem - 0.75px); top: calc(50% - 0.45rem + 0.75px); width: 1.5px; height: 0.9rem; background: var(--bronze); transition: transform .2s; }
.faq-item[open] summary::before { transform: scaleY(0); }
.faq-a { padding-bottom: 0.6rem; color: var(--beton-fonce); }

.related { padding-block: 1rem 3.5rem; }
.related h2 { font-size: var(--step-2); }
.related ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--noir); }
.related li + li { border-left: 1px solid var(--beton-clair); }
.related a { display: block; height: 100%; padding: 1.1rem 1.1rem 1.25rem; text-decoration: none; color: var(--noir); }
.related a:hover { background: var(--beton-pale); }
.rel-t { display: block; font-weight: 500; font-size: 1.08rem; margin-bottom: 0.35rem; }
.rel-d { display: block; color: var(--beton-fonce); font-size: 0.94rem; line-height: 1.5; }
.guides-list ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.guides-list li:nth-child(3) { border-left: 0; }
.guides-list li { border-bottom: 1px solid var(--beton-clair); }
.related + .related { padding-top: 0; }

@media (max-width: 60rem) {
  .page-grid { grid-template-columns: minmax(0, 1fr); }
  .facts { position: static; order: -1; }
  .related ul { grid-template-columns: 1fr 1fr; }
  .related li { border-bottom: 1px solid var(--beton-clair); }
  .related li:nth-child(odd) { border-left: 0; }
}
@media (max-width: 40rem) {
  .related ul, .guides-list ul { grid-template-columns: 1fr; }
  .related li + li { border-left: 0; }
}

/* ---------------------------------------------------------------- bandeau d’appel */
.cta-band { background: var(--noir); color: var(--blanc-mineral); padding-block: clamp(3rem, 6vw, 5rem); }
.cta-in { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 1rem 3rem; align-items: end; }
.cta-in h2 { grid-column: 1 / -1; font-size: var(--step-3); margin: 0; max-width: 24ch; }
.cta-in p { color: var(--argent); margin: 0; max-width: 40rem; }
.cta-in .btn { justify-self: end; }
@media (max-width: 52rem) { .cta-in { grid-template-columns: 1fr; } .cta-in .btn { justify-self: start; } }

/* ---------------------------------------------------------------- pied de page */
.site-footer { background: var(--noir); color: var(--argent); border-top: 1px solid #2D3035; padding-block: 3.5rem 2rem; font-size: 0.95rem; }
.cta-band + .site-footer, main + .site-footer { margin-top: 0; }
.foot-top { display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 2.5rem; align-items: start; padding-bottom: 2.5rem; border-bottom: 1px solid #2D3035; }
.foot-top img { width: 168px; grid-row: span 2; }
.foot-claim { color: var(--blanc-mineral); font-size: var(--step-1); font-weight: 300; margin: 0; }
.foot-about { max-width: 46rem; margin: 0; }
.site-footer .foot-about a { text-decoration: underline; text-underline-offset: 0.18em; }
.site-footer a { color: var(--argent-clair); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.foot-cols { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 2rem; padding-block: 2.5rem; }
.foot-h { font-size: 1rem; font-weight: 500; color: var(--blanc-mineral); margin-bottom: 0.9rem; }
.foot-cols ul { list-style: none; padding: 0; margin: 0; }
.foot-cols li { margin-bottom: 0.45rem; }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid #2D3035; }
.foot-bottom p { margin: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
@media (max-width: 60rem) { .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } .foot-top { grid-template-columns: 1fr; } .foot-top img { grid-row: auto; } }

.sticky-cta { display: none; }
@media (max-width: 52rem) {
  .sticky-cta {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 0.6rem var(--gutter) calc(0.6rem + env(safe-area-inset-bottom, 0px));
    background: rgba(23, 25, 27, 0.96); border-top: 1px solid #2D3035;
  }
  .sticky-cta { transition: transform .25s ease; }
  .sticky-cta.is-hidden { transform: translateY(110%); }
  .sticky-cta .btn { width: 100%; }
  .site-footer { padding-bottom: 6rem; }
}

/* ---------------------------------------------------------------- formulaires */
.form-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 18rem; gap: clamp(2rem, 5vw, 4.5rem); padding-block: clamp(2rem, 4vw, 3.5rem) clamp(3rem, 6vw, 5rem); align-items: start; }
.form-main { max-width: 46rem; }
.form-intro { color: var(--beton-fonce); }
.form-aside { background: var(--beton-pale); padding: 1.5rem; border-top: 3px solid var(--bronze); position: sticky; top: calc(var(--header-h) + 1.5rem); }
.form-aside h2 { font-size: var(--step-1); font-weight: 500; }
.mini-steps { padding-left: 1.2rem; }
.mini-steps li { margin-bottom: 0.5rem; }
.mini-steps li::marker { color: var(--bronze-texte); font-weight: 500; }
@media (max-width: 60rem) { .form-wrap { grid-template-columns: minmax(0, 1fr); } .form-aside { position: static; } }

.form fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.step { padding: 0 0 2rem; margin-bottom: 2rem; border-bottom: 1px solid var(--beton-clair) !important; }
.step-legend { display: block; padding: 0; margin-bottom: 1.5rem; width: 100%; }
.step-n { display: block; color: var(--bronze-texte); font-size: var(--step--1); font-weight: 500; margin-bottom: 0.25rem; }
.step-t { display: block; font-size: var(--step-3); font-weight: 350; line-height: 1.15; letter-spacing: -0.01em; }
.step-t:focus { outline: none; }
.group { margin-bottom: 1.75rem !important; }
.group legend, .field > label { display: block; font-weight: 500; margin-bottom: 0.6rem; padding: 0; }
.req { color: var(--bronze-texte); }
.opt { color: var(--beton-fonce); font-weight: 400; font-size: 0.92em; }
.field-hint { font-size: var(--step--1); color: var(--beton-fonce); margin: -0.3rem 0 0.6rem; }
.field-error { color: #8A2D1F; font-size: 0.92rem; font-weight: 500; margin: 0.45rem 0 0; }
.choices { display: grid; grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr)); gap: 0.6rem; }
.choice { position: relative; display: flex; flex-direction: column; gap: 0.1rem; padding: 0.85rem 1rem 0.85rem 2.8rem; background: #fff; border: 1px solid var(--beton-clair); border-radius: var(--radius); cursor: pointer; transition: border-color .15s, box-shadow .15s; }
.choice:hover { border-color: var(--beton); }
.choice input { position: absolute; left: 1rem; top: 1.05rem; width: 1.1rem; height: 1.1rem; margin: 0; accent-color: var(--bronze); }
.choice:has(input:checked) { border-color: var(--bronze); box-shadow: inset 0 0 0 1px var(--bronze); }
.choice:has(input:focus-visible) { outline: 2px solid var(--bronze); outline-offset: 2px; }
.choice-l { font-weight: 450; line-height: 1.35; }
.choice-d { font-size: var(--step--1); color: var(--beton-fonce); line-height: 1.4; }
.field { margin-bottom: 1.4rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
@media (max-width: 36rem) { .row { grid-template-columns: 1fr; } }
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--noir); background: #fff;
  border: 1px solid var(--beton); border-radius: var(--radius); padding: 0.75rem 0.9rem; min-height: 3rem;
}
textarea { min-height: 8rem; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--bronze); outline-offset: 1px; border-color: var(--bronze); }
[aria-invalid="true"] { border-color: #8A2D1F !important; }
.check { display: flex; gap: 0.75rem; align-items: flex-start; cursor: pointer; font-weight: 400 !important; }
.check input { width: 1.15rem; height: 1.15rem; margin: 0.25rem 0 0; flex: 0 0 auto; accent-color: var(--bronze); }
.consent { padding: 1rem; background: var(--beton-pale); font-size: 0.95rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.submit-row { margin-top: 1.5rem; }
.form-errors { background: #F6E9E4; border-left: 3px solid #8A2D1F; padding: 1rem 1.25rem; margin-bottom: 1.5rem; }
.form-errors p { margin: 0 0 0.5rem; font-weight: 500; }
.form-errors ul { margin: 0; padding-left: 1.2rem; }
.form-errors a { color: #8A2D1F; }
input:disabled { background: var(--beton-pale); color: var(--beton-fonce); }

/* parcours progressif (activé par site.js) */
.stepper.is-enhanced .step { border-bottom: 0 !important; margin-bottom: 0; }
.stepper.is-enhanced .step:not(.is-active) { display: none; }
.step-nav { display: flex; gap: 0.75rem; margin-top: 1rem; flex-wrap: wrap; }
.stepper.is-enhanced .submit-row { display: inline-block; margin-top: 0; }
.progress-list { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.35rem; padding: 0; margin: 0 0 1.5rem; }
.progress-list li { border-top: 3px solid var(--beton-clair); padding-top: 0.5rem; font-size: 0.85rem; color: var(--beton-fonce); line-height: 1.3; }
.progress-list li.is-done { border-top-color: var(--beton-fonce); }
.progress-list li.is-current { border-top-color: var(--bronze); color: var(--noir); font-weight: 500; }
.progress-n { display: none; }
@media (max-width: 40rem) { .progress-t { display: none; } .progress-n { display: inline; } .progress-list li { text-align: center; } }

/* ---------------------------------------------------------------- mouvement réduit, impression */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0s !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .hero-leaf { animation: none; transform: translateX(-226px); }
}
@media print {
  .site-header, .sticky-cta, .cta-band, .facts .btn, .site-footer .foot-cols { display: none !important; }
  body { background: #fff; }
}

/* sources réglementaires */
.sources { margin-top: 3rem; font-size: 0.95rem; }
.sources h2 { font-size: var(--step-1); }
.sources ul { padding-left: 1.1rem; }
.sources-note { color: var(--beton-fonce); font-size: var(--step--1); }
.apercu-banner { background: #F6E9E4; border-bottom: 3px solid #8A2D1F; padding: 1rem 0; font-size: 0.95rem; }
.apercu-banner ul { margin: 0.4rem 0 0; }
.consent { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: var(--noir); color: var(--argent-clair); border-top: 2px solid var(--bronze-clair); padding: 1rem 0 calc(1rem + env(safe-area-inset-bottom, 0px)); }
.consent[hidden] { display: none; }
.consent-in { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: space-between; }
.consent p { margin: 0; max-width: 46rem; font-size: 0.95rem; }
.consent a { color: var(--bronze-clair); }
.consent-actions { display: flex; gap: 0.75rem; }
.btn-line-light { border-color: var(--argent); color: var(--blanc-mineral); background: transparent; }
.btn-line-light:hover { border-color: #fff; color: #fff; }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--argent-clair); cursor: pointer; text-decoration: none; }
.link-btn:hover { color: #fff; text-decoration: underline; }