:root {
  --encre: #1a1814;
  --encre-douce: #454037;
  --papier: #f3eee6;
  --papier-2: #e7e0d2;
  --carte: #fffcf7;
  --ligne: #e0d5c4;
  --foret: #1f3d34;
  --foret-doux: #e6efe9;
  --argile: #8c3812;
  --argile-claire: #f3e2d4;
  --ombre: 0 24px 50px rgba(26, 24, 20, 0.08);
  --serif: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: Aptos, "Segoe UI", sans-serif;
  --rayon: 18px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--encre);
  background-color: var(--papier);
  background-image:
    radial-gradient(ellipse 70% 45% at 100% -8%, rgba(140, 56, 18, 0.09), transparent 52%),
    radial-gradient(ellipse 55% 40% at -8% 12%, rgba(31, 61, 52, 0.08), transparent 48%);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
}

body, button, input, textarea { font: inherit; }

h1, h2, h3, .logo, .fourchette strong, .logo-pied {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.02em;
}

h1, h2 { text-wrap: balance; }

p { text-wrap: pretty; }

a { color: var(--foret); }

:focus-visible {
  outline: 2px solid var(--argile);
  outline-offset: 3px;
}

.enveloppe {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.lien-evitement {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--foret);
  color: var(--papier);
  padding: 8px 12px;
  z-index: 5;
}

.lien-evitement:focus { top: 12px; }

.entete {
  position: sticky;
  top: 0;
  z-index: 4;
  background: rgba(243, 238, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

.entete.is-scrolled { border-bottom-color: var(--ligne); }

.entete-ligne {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--foret);
  text-decoration: none;
  font-size: 1.05rem;
}

.logo-marque { flex: none; }

.nav {
  display: none;
  gap: 18px;
  margin-left: auto;
}

.nav a {
  color: var(--encre);
  text-decoration: none;
}

.nav a:hover { color: var(--argile); }

.entete .bouton { margin-left: auto; }

.hero { padding: 28px 0 56px; }

.hero-grille { display: grid; gap: 32px; }

.surtitre {
  margin: 0 0 12px;
  color: var(--argile);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.15rem);
  line-height: 1.02;
}

h1 em {
  display: block;
  margin-top: 6px;
  font-style: italic;
  color: var(--argile);
}

.chapo {
  max-width: 38rem;
  color: var(--encre-douce);
  font-size: 1.12rem;
}

.reperes {
  display: grid;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.reperes li {
  padding-left: 18px;
  position: relative;
}

.reperes li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--foret);
  position: absolute;
  left: 0;
  top: 0.55em;
}

.estimateur {
  background: var(--carte);
  border: 1px solid var(--ligne);
  border-radius: var(--rayon);
  box-shadow: var(--ombre);
  padding: 18px 18px 14px;
}

.indicateurs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.indicateurs button {
  width: 100%;
  border: 0;
  border-bottom: 2px solid var(--ligne);
  background: transparent;
  color: var(--encre-douce);
  padding: 6px 0 8px;
  font-size: 0.78rem;
  cursor: pointer;
}

.indicateurs button[aria-current="step"] {
  color: var(--foret);
  border-bottom-color: var(--foret);
  font-weight: 650;
}

.indicateurs button:disabled {
  cursor: default;
  color: #8a8378;
}

.estimateur h2 {
  margin: 0 0 6px;
  font-size: 1.7rem;
}

.aide, .mention, .base-calcul {
  color: var(--encre-douce);
  font-size: 0.95rem;
}

.alerte {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--argile-claire);
  color: var(--argile);
}

.annonce {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.choix-prestation, .presets, .grille-services, .etapes {
  display: grid;
  gap: 12px;
}

.carte-choix {
  text-align: left;
  border: 1px solid var(--ligne);
  background: var(--papier);
  border-radius: 14px;
  padding: 14px;
  cursor: pointer;
  color: inherit;
}

.carte-choix[aria-pressed="true"] {
  border-color: var(--foret);
  background: var(--foret-doux);
  box-shadow: inset 0 0 0 1px var(--foret);
}

.carte-kicker {
  display: block;
  color: var(--argile);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.carte-titre {
  display: block;
  margin: 4px 0;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.carte-texte { display: block; color: var(--encre-douce); }

.champ { display: grid; gap: 6px; margin-top: 14px; }

.champ label { font-weight: 600; }

.facultatif {
  font-weight: 450;
  color: var(--encre-douce);
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
textarea {
  width: 100%;
  border: 1px solid var(--ligne);
  background: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--encre);
  font-size: 1rem;
}

textarea { resize: vertical; }

.saisie-unite { position: relative; }

.saisie-unite span {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--encre-douce);
}

.saisie-unite input { padding-right: 52px; }

input[type="range"] {
  width: 100%;
  margin-top: 10px;
  accent-color: var(--foret);
}

.liste-pieces {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  max-height: 320px;
  overflow: auto;
}

.piece {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--ligne);
  border-radius: 12px;
  background: var(--papier);
}

.piece strong { font-weight: 600; }

.piece small {
  display: block;
  color: var(--encre-douce);
  font-size: 0.85rem;
}

.pas {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pas button {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--foret);
  background: #fff;
  color: var(--foret);
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
}

.pas span {
  min-width: 1.2rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.piece.est-choisie {
  border-color: var(--foret);
  background: var(--foret-doux);
}

.grille-maison {
  display: grid;
  gap: 18px;
  max-width: 40rem;
}

.presets { grid-template-columns: repeat(3, 1fr); margin-top: 12px; }

.presets button {
  border: 1px solid var(--ligne);
  background: transparent;
  border-radius: 999px;
  padding: 8px 10px;
  cursor: pointer;
}

.presets button[aria-pressed="true"] {
  background: var(--foret);
  color: var(--papier);
  border-color: var(--foret);
}

.calcul-trajet {
  margin-top: 16px;
  padding-top: 8px;
  border-top: 1px solid var(--ligne);
}

.calcul-trajet summary { cursor: pointer; font-weight: 600; }

.fourchette {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin: 8px 0;
}

.fourchette p { margin: 0; }

.fourchette-label {
  display: block;
  color: var(--encre-douce);
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0;
}

.fourchette strong {
  font-size: clamp(2rem, 5vw, 3rem);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.detail {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  margin: 16px 0;
  padding: 12px 0;
  border-top: 1px solid var(--ligne);
  border-bottom: 1px solid var(--ligne);
}

.detail dt { margin: 0; }

.detail dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.notes {
  margin: 0 0 8px;
  padding-left: 18px;
  color: var(--encre-douce);
}

.interlocuteur {
  margin: 16px 0;
  padding: 14px;
  border-radius: 14px;
  background: var(--foret-doux);
}

.interlocuteur p { margin: 0 0 4px; }

.interlocuteur-nom {
  font-family: var(--serif);
  font-size: 1.35rem;
}

.champs-deux { display: grid; gap: 0 12px; }

.actions-envoi {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pied-estimateur {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--ligne);
}

.bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 16px;
  border: 1px solid var(--foret);
  border-radius: 999px;
  background: var(--foret);
  color: #f6f1e7;
  text-decoration: none;
  cursor: pointer;
}

.bouton:hover { background: #173128; }

.bouton-secondaire {
  background: transparent;
  color: var(--foret);
}

.bouton-secondaire:hover { background: var(--foret-doux); }

.bouton-texte {
  background: transparent;
  border-color: transparent;
  color: var(--encre);
  padding-inline: 8px;
}

.bouton-compact {
  min-height: 40px;
  padding: 8px 14px;
  font-size: 0.95rem;
}

.bouton:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.bandeau {
  background: var(--foret);
  color: #f6f1e7;
}

.etapes { padding: 28px 0; }

.etapes article span {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: #e7a07a;
}

.etapes h2 {
  margin: 4px 0;
  font-size: 1.5rem;
}

.etapes p { margin: 0; color: #d7e4dc; }

.section { padding: 64px 0; }

.titre-section {
  margin: 0 0 24px;
  max-width: 16ch;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.grille-services { gap: 16px; }

.carte-service {
  background: var(--carte);
  border: 1px solid var(--ligne);
  border-radius: var(--rayon);
  padding: 22px;
}

.carte-service svg {
  fill: none;
  stroke: var(--foret);
  stroke-width: 1.5;
}

.carte-service h3 {
  margin: 12px 0 8px;
  font-size: 1.7rem;
}

.carte-service p { color: var(--encre-douce); }

.mention-large { max-width: 46rem; }

.section-questions { padding-top: 0; }

.faq details {
  border-top: 1px solid var(--ligne);
  padding: 14px 0;
}

.faq details:last-child { border-bottom: 1px solid var(--ligne); }

.faq summary {
  cursor: pointer;
  font-weight: 650;
}

.faq p { color: var(--encre-douce); }

.pied {
  background: var(--encre);
  color: #efe8dc;
  padding: 36px 0 20px;
}

.pied a { color: #fff; }

.pied-grille, .pied-legal {
  display: grid;
  gap: 18px;
}

.logo-pied { margin: 0 0 6px; font-size: 1.6rem; }

.pied p { margin: 0 0 4px; }

.pied-legal {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #cbbfae;
  font-size: 0.9rem;
}

.sans-script {
  margin: 0;
  padding: 12px 16px;
  background: var(--argile-claire);
}

@media (min-width: 720px) {
  .nav { display: flex; }
  .entete .bouton { margin-left: 0; }
  .choix-prestation, .grille-services { grid-template-columns: 1fr 1fr; }
  .champs-deux { grid-template-columns: 1fr 1fr; }
  .presets { grid-template-columns: repeat(5, 1fr); }
  .etapes, .pied-grille { grid-template-columns: 1.3fr 1fr 1fr; }
}

@media (min-width: 960px) {
  .enveloppe { width: min(1120px, calc(100% - 48px)); }
  .hero { padding: 42px 0 80px; }
  .hero-grille {
    grid-template-columns: 0.92fr 1.08fr;
    gap: 56px;
    align-items: start;
  }
  .estimateur { padding: 22px 22px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}