/* ==========================================================================
   Libre Espace — feuille de style
   Palette : encre végétale, papier crème, bronze
   ========================================================================== */

:root {
  --ink: #131a16;
  --ink-2: #1c2620;
  --ink-3: #26332b;
  --paper: #f6f2e9;
  --paper-2: #eee8da;
  --bronze: #b4854d;
  --bronze-light: #cfa26b;
  /* bronze foncé : contraste AA sur fonds clairs (≥ 4,5:1 sur --paper et --paper-2) */
  --bronze-ink: #7d5a30;
  --line: rgba(19, 26, 22, 0.16);
  --line-soft: rgba(19, 26, 22, 0.09);
  --line-dark: rgba(246, 242, 233, 0.18);
  --line-dark-soft: rgba(246, 242, 233, 0.1);

  --font-serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;

  --container: 74rem;
  --radius: 1.125rem;
  --header-h: 4.75rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* grain discret sur toute la page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.08;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

h1 em, h2 em, .footer-word em, .brand-name em {
  font-style: italic;
  color: var(--bronze-ink);
}

/* sur fond sombre, un bronze clair garde le contraste */
.section-dark h1 em,
.section-dark h2 em,
.quote-band em,
.footer-word em {
  color: var(--bronze-light);
}

p {
  margin: 0 0 1rem;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

img, svg {
  max-width: 100%;
  height: auto;
}

ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.container {
  width: min(var(--container), 100% - 3rem);
  margin-inline: auto;
}

.container-narrow {
  width: min(50rem, 100% - 3rem);
}

.section {
  padding-block: clamp(4.5rem, 10vw, 8rem);
}

.section-dark {
  background-color: var(--ink);
  color: var(--paper);
}

.section-paper {
  background-color: var(--paper-2);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 1001;
  padding: 0.75rem 1.25rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 0 0 0.5rem 0.5rem;
  text-decoration: none;
}

.skip-link:focus {
  top: 0;
}

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

::selection {
  background: var(--bronze-ink);
  color: var(--paper);
}

/* ---------- Typographie de section ---------- */

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze-ink);
  margin-bottom: 1.25rem;
}

.section-dark .eyebrow {
  color: var(--bronze-light);
}

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.section-head h2 {
  font-size: clamp(2.125rem, 4.6vw, 3.5rem);
}

.section-intro {
  font-size: 1.125rem;
  opacity: 0.82;
  max-width: 38rem;
}

.lead {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  opacity: 0.85;
  max-width: 34rem;
}

/* ---------- Boutons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  border-radius: 100rem;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), background-color 0.25s, color 0.25s, border-color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--bronze);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--bronze-light);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.btn-outline {
  border-color: var(--line-dark);
  color: var(--paper);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--paper);
}

.link-arrow {
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--bronze);
  padding-bottom: 0.15rem;
  white-space: nowrap;
}

.link-arrow:hover {
  color: var(--bronze-light);
}

/* ---------- En-tête ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: border-color 0.3s;
  border-bottom: 1px solid transparent;
}

/* le flou vit sur un pseudo-élément : un backdrop-filter directement sur
   l'en-tête créerait un « containing block » qui piégerait le menu mobile
   (position: fixed) à l'intérieur de la barre */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  transition: background-color 0.3s;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line-soft);
}

.site-header.is-scrolled::before {
  background: rgba(246, 242, 233, 0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  z-index: 1002;
}

.brand-mark {
  color: var(--bronze);
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.site-nav a:hover {
  opacity: 1;
}

.site-nav .btn-nav {
  opacity: 1;
  padding: 0.7rem 1.35rem;
}

.nav-phone a {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  opacity: 1;
}

/* bouton hamburger */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--ink);
  font: 600 0.875rem var(--font-sans);
  z-index: 1002;
}

.nav-toggle-box {
  position: relative;
  width: 1.5rem;
  height: 0.875rem;
  display: block;
}

.nav-toggle-line,
.nav-toggle-box::before,
.nav-toggle-box::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s, top 0.3s var(--ease-out), bottom 0.3s var(--ease-out);
}

.nav-toggle-box::before { top: 0; }
.nav-toggle-line { top: 50%; margin-top: -1px; }
.nav-toggle-box::after { bottom: 0; }

body.nav-open .nav-toggle-box::before {
  top: 50%;
  margin-top: -1px;
  transform: rotate(45deg);
}

body.nav-open .nav-toggle-line {
  opacity: 0;
}

body.nav-open .nav-toggle-box::after {
  bottom: 50%;
  margin-bottom: -1px;
  transform: rotate(-45deg);
}

/* ---------- Héros ---------- */

.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: clamp(4rem, 9vw, 7rem);
  background:
    radial-gradient(60rem 40rem at 85% 10%, rgba(180, 133, 77, 0.12), transparent 60%),
    var(--paper);
  overflow: clip;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}

.hero h1 {
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.25rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-soft);
}

.hero-badges li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0.85;
}

.hero-badges li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--bronze);
}

.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
}

.door-art {
  width: min(100%, 21rem);
  color: var(--ink);
  opacity: 0.9;
}

.hero-stamp {
  position: absolute;
  right: -0.5rem;
  bottom: -1.5rem;
  width: 7.5rem;
  height: 7.5rem;
  color: var(--bronze);
}

.hero-stamp svg {
  width: 100%;
  height: 100%;
  animation: spin 22s linear infinite;
}

.hero-stamp text {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  fill: currentColor;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Bandeau défilant ---------- */

.marquee {
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding-block: 1.1rem;
  border-block: 1px solid var(--ink);
}

.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: defile 32s linear infinite;
}

/* l'espacement passe par une marge (et non un gap) pour que chaque moitié
   du contenu dupliqué fasse exactement 50 % de la piste : la boucle
   translateX(-50%) retombe alors sans à-coup */
.marquee-track span {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  white-space: nowrap;
  opacity: 0.9;
  margin-right: 2.5rem;
}

.marquee-track .dot {
  color: var(--bronze);
  font-style: normal;
  opacity: 1;
}

@keyframes defile {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Cartes situations ---------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: #fffdf8;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 40px -24px rgba(19, 26, 22, 0.28);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: rgba(180, 133, 77, 0.13);
  color: var(--bronze);
  margin-bottom: 1.4rem;
}

.card-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.6rem;
}

.card p {
  margin: 0;
  opacity: 0.8;
  font-size: 0.9875rem;
}

/* ---------- Services ---------- */

.services .section-head {
  margin-inline: auto;
  text-align: center;
}

.services .section-intro {
  margin-inline: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.offer {
  position: relative;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 2.5rem 2.25rem;
  background: var(--ink-2);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.offer-featured {
  background: linear-gradient(160deg, var(--ink-3), var(--ink-2) 65%);
  border-color: rgba(180, 133, 77, 0.55);
}

.offer-pill {
  position: absolute;
  top: -0.85rem;
  right: 1.75rem;
  margin: 0;
  padding: 0.35rem 0.9rem;
  border-radius: 100rem;
  background: var(--bronze);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.offer-tag {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 0.9rem;
}

.offer h3 {
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  margin-bottom: 0.75rem;
}

.offer-desc {
  opacity: 0.82;
  margin-bottom: 1.75rem;
}

.checklist {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 2.25rem;
}

.checklist li {
  position: relative;
  padding-left: 1.9rem;
  font-size: 0.9875rem;
  opacity: 0.92;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: rgba(180, 133, 77, 0.18);
}

.checklist li::after {
  content: "";
  position: absolute;
  left: 0.28rem;
  top: 0.62em;
  width: 0.5rem;
  height: 0.28rem;
  border-left: 2px solid var(--bronze-light);
  border-bottom: 2px solid var(--bronze-light);
  transform: rotate(-45deg);
}

.offer .btn {
  margin-top: auto;
}

.option-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding: 1.6rem 2.25rem;
  border: 1px dashed var(--line-dark);
  border-radius: var(--radius);
}

.option-band p {
  margin: 0;
  opacity: 0.85;
}

.option-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  opacity: 1 !important;
  margin-bottom: 0.2rem !important;
}

.tri {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line-dark-soft);
}

.tri-item {
  padding: 1.9rem 1.75rem 0.5rem;
  border-left: 1px solid var(--line-dark-soft);
}

.tri-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.tri-kicker {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--bronze-light);
  margin-bottom: 0.4rem;
}

.tri-item p:last-child {
  font-size: 0.9375rem;
  opacity: 0.75;
}

/* ---------- Processus ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: 0;
  margin: 0;
  list-style: none;
}

.step {
  position: relative;
  padding-top: 1.75rem;
  border-top: 2px solid var(--ink);
}

.step-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 3.25rem;
  line-height: 1;
  color: var(--bronze-ink);
  margin-bottom: 1rem;
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.step p:last-child {
  margin: 0;
  opacity: 0.8;
}

/* ---------- Citation ---------- */

.quote-band {
  padding-block: clamp(4rem, 8vw, 6.5rem);
}

.quote-band blockquote {
  margin: 0;
  max-width: 56rem;
  margin-inline: auto;
  text-align: center;
}

.quote-band p {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.3;
  margin: 0;
}

/* ---------- Engagements ---------- */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.pledge {
  padding: 1.9rem 1.6rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: #fffdf8;
}

.pledge h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.pledge h3::before {
  content: "";
  display: block;
  width: 2rem;
  height: 2px;
  background: var(--bronze);
  margin-bottom: 0.9rem;
}

.pledge p {
  margin: 0;
  font-size: 0.9375rem;
  opacity: 0.8;
}

/* ---------- Zones ---------- */

.zones-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.zones .section-head {
  margin-bottom: 0;
}

.zone-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--line);
}

.zone-list li:first-child {
  border-top: 1px solid var(--line);
}

.zone-name {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 500;
}

.zone-note {
  font-size: 0.875rem;
  opacity: 0.65;
  text-align: right;
}

.zones-cta {
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 0;
  font-size: 1.0625rem;
}

.zones-cta a {
  font-weight: 600;
}

/* ---------- FAQ ---------- */

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list details:first-child {
  border-top: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.4rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-plus {
  position: relative;
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
}

.faq-plus::before,
.faq-plus::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  margin-top: -1px;
  background: var(--bronze-ink);
  transition: transform 0.3s var(--ease-out);
}

.faq-plus::after {
  transform: rotate(90deg);
}

.faq-list details[open] .faq-plus::after {
  transform: rotate(0deg);
}

.faq-body {
  padding-bottom: 1.5rem;
  max-width: 42rem;
}

.faq-body p {
  margin: 0;
  opacity: 0.82;
}

/* ---------- Soumission ---------- */

.soumission-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.contact-list {
  margin-top: 2.5rem;
  display: grid;
  gap: 1.4rem;
}

.contact-list li {
  display: grid;
  gap: 0.15rem;
  padding-left: 1.4rem;
  border-left: 2px solid var(--bronze);
}

.contact-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
}

.contact-list a {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  text-decoration: none;
}

.contact-list a:hover {
  color: var(--bronze-light);
}

.contact-list span + span {
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.soumission-form {
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-radius: calc(var(--radius) + 0.25rem);
  padding: clamp(1.75rem, 4vw, 2.75rem);
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.form-field {
  margin-bottom: 1.1rem;
}

.form-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.req {
  color: var(--bronze-light);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
  border: 1px solid var(--line-dark);
  background: rgba(246, 242, 233, 0.05);
  color: var(--paper);
  font: inherit;
  font-size: 0.9875rem;
  transition: border-color 0.2s, background-color 0.2s;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(246, 242, 233, 0.55);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--bronze);
  background: rgba(246, 242, 233, 0.08);
}

.form-field textarea {
  resize: vertical;
  min-height: 7rem;
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: "";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: -0.45rem;
  border-right: 2px solid var(--bronze-light);
  border-bottom: 2px solid var(--bronze-light);
  transform: rotate(45deg);
  pointer-events: none;
}

.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.75rem;
  cursor: pointer;
}

.select-wrap select option {
  color: var(--ink);
  background: var(--paper);
}

.btn-submit {
  width: 100%;
  margin-top: 0.5rem;
  padding-block: 1.05rem;
  font-size: 1rem;
}

.form-note {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.8125rem;
  opacity: 0.55;
}

/* ---------- Pied de page ---------- */

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2rem;
  border-top: 1px solid var(--line-dark-soft);
}

.footer-word {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 11vw, 8rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
  opacity: 0.95;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer-heading {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze-light);
  margin-bottom: 1rem;
}

.footer-grid ul {
  display: grid;
  gap: 0.6rem;
  font-size: 0.9375rem;
  opacity: 0.85;
}

.footer-grid a {
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--bronze-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-dark-soft);
  font-size: 0.875rem;
  opacity: 0.7;
}

.footer-bottom p {
  margin: 0;
}

.back-top {
  text-decoration: none;
  font-weight: 600;
}

.back-top:hover {
  color: var(--bronze-light);
}

/* ---------- Pages simples (merci, 404) ---------- */

.page-simple {
  background:
    radial-gradient(60rem 40rem at 85% 0%, rgba(180, 133, 77, 0.12), transparent 60%),
    var(--paper);
}

.simple-main {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 4rem;
}

.simple-inner {
  max-width: 44rem;
}

.simple-inner .brand {
  margin-bottom: 3.5rem;
}

.simple-inner h1 {
  font-size: clamp(2.5rem, 6.5vw, 4.5rem);
  margin-bottom: 1.25rem;
}

.simple-inner .hero-actions {
  margin-top: 2.25rem;
}

/* ---------- Animations d'apparition ---------- */

/* masqué uniquement lorsque JS est actif (classe ajoutée dans <head>) */
html.js .reveal {
  opacity: 0;
  transform: translateY(1.6rem);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.d-1 { transition-delay: 0.08s; }
.d-2 { transition-delay: 0.16s; }
.d-3 { transition-delay: 0.24s; }
.d-4 { transition-delay: 0.32s; }

/* ---------- Écrans moyens ---------- */

@media (max-width: 63.99em) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-art {
    display: none;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .zones-grid,
  .soumission-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Navigation mobile ----------
   Le point de bascule doit rester assez haut : la barre complète
   (marque + 4 liens + téléphone + bouton) a besoin d'environ 1000 px. */

@media (max-width: 63.99em) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-header::before {
    background: rgba(246, 242, 233, 0.88);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    background: var(--paper);
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease-out), visibility 0.3s;
    z-index: 1001;
  }

  body.nav-open .site-nav {
    opacity: 1;
    visibility: visible;
  }

  body.nav-open {
    overflow: hidden;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 1.9rem;
    text-align: center;
  }

  .site-nav a {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    opacity: 1;
  }

  .site-nav .btn-nav,
  .nav-phone a {
    font-family: var(--font-sans);
    font-size: 1.05rem;
  }
}

/* ---------- Petits écrans ---------- */

@media (max-width: 47.99em) {
  .grid-3,
  .steps {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .tri {
    grid-template-columns: 1fr;
  }

  .tri-item {
    border-left: 0;
    padding-inline: 0;
    padding-block: 1.4rem 0.25rem;
  }

  .tri-item + .tri-item {
    border-top: 1px solid var(--line-dark-soft);
    margin-top: 1.1rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .zone-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }

  .zone-note {
    text-align: left;
  }
}

@media (max-width: 35.99em) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    width: 100%;
  }
}

/* ---------- Accessibilité : mouvement réduit ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .marquee-track {
    animation: none;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 0.5rem;
  }

  .marquee-track span {
    margin: 0 1.25rem;
  }

  /* sans animation, les doublons du bandeau sont inutiles */
  .marquee-track .dup {
    display: none;
  }

  .hero-stamp svg {
    animation: none;
  }

  .btn:hover,
  .card:hover {
    transform: none;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- Impression ---------- */

@media print {
  .site-header,
  .marquee,
  .hero-stamp,
  .nav-toggle {
    display: none;
  }

  body::before {
    display: none;
  }

  .section-dark,
  .site-footer {
    background: #fff;
    color: #000;
  }
}