/* ==========================================================================
   STUDIO AMANE — style.css
   HTML/CSS/JS pur — BEM — Mobile-first (breakpoints 768px / 1100px)
   Grille d'espacement en multiples de 8px — minimalisme architectural
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & RESET
   -------------------------------------------------------------------------- */
:root {
  --blanc: #FFFFFF;
  --noir-doux: #141414;
  --gris-pierre: #8A8A85;
  --sable-pale: #EFEAE2;
  --vert-sauge: #7C8B76;

  --gris-ligne: #DEDAD1;
  --blanc-casse: #FAF8F5;

  --font-titre: "Marcellus", serif;
  --font-texte: "Figtree", sans-serif;

  /* grille d'espacement : multiples de 8px */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 48px;
  --s-6: 64px;
  --s-7: 96px;
  --s-8: 128px;

  --largeur-max: 1280px;
  --hauteur-navbar: 84px;

  --transition-douce: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition-rapide: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--hauteur-navbar);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-texte);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--noir-doux);
  background-color: var(--blanc);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-titre);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0 0 var(--s-3);
  color: var(--noir-doux);
}

h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: 1.05; letter-spacing: 0; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.15; }
h3 { font-size: 1.4rem; line-height: 1.3; }

p { margin: 0 0 var(--s-3); color: var(--noir-doux); }

.lead {
  font-size: 1.15rem;
  color: var(--gris-pierre);
  max-width: 640px;
}

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

.container {
  width: 100%;
  max-width: var(--largeur-max);
  margin: 0 auto;
  padding: 0 var(--s-3);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--s-5);
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--noir-doux);
  color: var(--blanc);
  padding: var(--s-2) var(--s-3);
  z-index: 2000;
}

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

/* --------------------------------------------------------------------------
   2. UTILITAIRES
   -------------------------------------------------------------------------- */
.section {
  padding: var(--s-7) 0;
}

.section--serree {
  padding: var(--s-5) 0;
}

.section--sable {
  background-color: var(--sable-pale);
}

.section--casse {
  background-color: var(--blanc-casse);
}

.section__eyebrow {
  display: inline-block;
  font-family: var(--font-texte);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--vert-sauge);
  margin-bottom: var(--s-2);
}

.section__head {
  max-width: 680px;
  margin: 0 0 var(--s-6);
}

.section__head--centre {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.icon-sm {
  width: 14px;
  height: 14px;
}

.icon-md {
  width: 20px;
  height: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   3. BOUTONS & LIENS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding: var(--s-2) var(--s-4);
  font-family: var(--font-texte);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: background-color var(--transition-rapide), color var(--transition-rapide), border-color var(--transition-rapide);
}

.btn--primary {
  background-color: var(--noir-doux);
  color: var(--blanc);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--vert-sauge);
}

.btn--outline {
  background-color: transparent;
  color: var(--noir-doux);
  border: 1px solid var(--noir-doux);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--vert-sauge);
  color: var(--vert-sauge);
}

.btn--large {
  padding: var(--s-3) var(--s-5);
  font-size: 1rem;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.link-underline {
  position: relative;
  color: var(--noir-doux);
  font-weight: 600;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--vert-sauge);
  transition: color var(--transition-rapide);
}

.link-underline:hover,
.link-underline:focus-visible {
  color: var(--vert-sauge);
}

/* --------------------------------------------------------------------------
   4. HEADER / NAVBAR
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--hauteur-navbar);
  background-color: var(--blanc);
  border-bottom: 1px solid var(--gris-ligne);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  font-family: var(--font-titre);
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  color: var(--noir-doux);
}

.site-header__logo-baseline {
  display: none;
  font-family: var(--font-texte);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gris-pierre);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--s-6);
}

.nav__list {
  display: none;
  align-items: center;
  gap: var(--s-5);
}

.nav__link {
  position: relative;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--noir-doux);
  padding: var(--s-1) 0;
  transition: color var(--transition-rapide);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--vert-sauge);
  transition: width var(--transition-rapide);
}

.nav__link:hover,
.nav__link:focus-visible,
.nav__link.is-active {
  color: var(--vert-sauge);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__cta {
  display: none;
}

.burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  z-index: 1100;
}

.burger__bar {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--noir-doux);
  transition: transform var(--transition-douce), opacity var(--transition-douce);
}

.burger[aria-expanded="true"] .burger__bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.burger[aria-expanded="true"] .burger__bar:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] .burger__bar:nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background-color: var(--blanc);
  transform: translateY(-100%);
  transition: transform var(--transition-douce);
  z-index: 999;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mobile-nav.is-open {
  transform: translateY(0);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  padding: 0 var(--s-4);
  gap: var(--s-2);
}

.mobile-nav__link {
  display: block;
  padding: var(--s-2) 0;
  font-family: var(--font-titre);
  font-size: 2rem;
  color: var(--noir-doux);
  border-bottom: 1px solid var(--gris-ligne);
}

.mobile-nav__link.is-active {
  color: var(--vert-sauge);
}

.mobile-nav__cta {
  margin: var(--s-5) var(--s-4) 0;
}

@media (min-width: 768px) {
  .site-header__logo-baseline {
    display: block;
  }
}

@media (min-width: 1100px) {
  .nav__list {
    display: flex;
  }
  .nav__cta {
    display: inline-flex;
  }
  .burger,
  .mobile-nav {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   5. HERO
   -------------------------------------------------------------------------- */
.hero {
  padding: var(--s-8) 0 var(--s-6);
  text-align: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris-pierre);
  margin-bottom: var(--s-4);
}

.hero__title {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.hero__baseline {
  max-width: 480px;
  margin: 0 auto var(--s-6);
  color: var(--gris-pierre);
  font-size: 1.1rem;
}

.hero__visual {
  margin-top: var(--s-6);
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   6. PROJETS ALTERNÉS (accueil)
   -------------------------------------------------------------------------- */
.featured-project {
  display: grid;
  gap: var(--s-4);
  align-items: center;
  margin-bottom: var(--s-8);
}

.featured-project:last-child {
  margin-bottom: 0;
}

.featured-project__visual {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.featured-project__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease;
}

.featured-project__visual:hover img {
  transform: scale(1.04);
}

.featured-project__number {
  font-family: var(--font-titre);
  font-size: 0.9rem;
  color: var(--gris-pierre);
  margin-bottom: var(--s-2);
}

.featured-project__title {
  margin-bottom: var(--s-2);
}

.featured-project__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1) var(--s-3);
  font-size: 0.85rem;
  color: var(--gris-pierre);
  margin-bottom: var(--s-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.featured-project__text {
  color: var(--gris-pierre);
  margin-bottom: var(--s-3);
  max-width: 440px;
}

@media (min-width: 1100px) {
  .featured-project {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-7);
  }

  .featured-project--inverse .featured-project__visual {
    order: 2;
  }

  .featured-project--inverse .featured-project__text-block {
    order: 1;
  }
}

/* --------------------------------------------------------------------------
   7. APPROCHE (manifeste)
   -------------------------------------------------------------------------- */
.manifesto {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.manifesto__text {
  font-family: var(--font-titre);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  line-height: 1.55;
  color: var(--noir-doux);
}

.manifesto__points {
  display: grid;
  gap: var(--s-5);
  margin-top: var(--s-7);
  text-align: left;
}

.manifesto__point-title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vert-sauge);
  margin-bottom: var(--s-1);
}

.manifesto__point-text {
  color: var(--gris-pierre);
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .manifesto__points {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   8. BANDEAU CTA
   -------------------------------------------------------------------------- */
.cta-banner__inner {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-banner__text {
  color: var(--gris-pierre);
  margin-bottom: var(--s-4);
}

/* --------------------------------------------------------------------------
   9. GRILLE PROJETS (page projets)
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  gap: var(--s-5);
  grid-template-columns: 1fr;
}

.project-tile {
  cursor: pointer;
  display: block;
  width: 100%;
  text-align: left;
}

.project-tile__visual {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  margin-bottom: var(--s-2);
}

.project-tile__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.project-tile:hover .project-tile__visual img,
.project-tile:focus-visible .project-tile__visual img {
  transform: scale(1.03);
}

.project-tile__title {
  font-family: var(--font-titre);
  font-size: 1.3rem;
  margin-bottom: var(--s-1);
}

.project-tile__meta {
  font-size: 0.82rem;
  color: var(--gris-pierre);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-6) var(--s-5);
  }
}

/* --------------------------------------------------------------------------
   10. LIGHTBOX / OVERLAY PLEIN ÉCRAN
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(20, 20, 20, 0.97);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-douce), visibility var(--transition-douce);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-3) var(--s-4);
  color: var(--blanc-casse);
}

.lightbox__title {
  font-family: var(--font-titre);
  font-size: 1.1rem;
  color: var(--blanc);
  margin: 0;
}

.lightbox__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--blanc);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  transition: border-color var(--transition-rapide);
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  border-color: var(--vert-sauge);
  color: var(--vert-sauge);
}

.lightbox__stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--s-3) var(--s-3);
  min-height: 0;
}

.lightbox__image-wrap {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
}

.lightbox__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  color: var(--blanc);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  flex-shrink: 0;
  transition: border-color var(--transition-rapide);
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  border-color: var(--vert-sauge);
  color: var(--vert-sauge);
}

.lightbox__stage-inner {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  height: 100%;
  justify-content: center;
}

.lightbox__caption {
  padding: var(--s-3) var(--s-4) var(--s-5);
  text-align: center;
  color: var(--blanc-casse);
}

.lightbox__caption-title {
  font-family: var(--font-titre);
  font-size: 1.1rem;
  color: var(--blanc);
  margin-bottom: var(--s-1);
}

.lightbox__caption-meta {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gris-pierre);
}

.lightbox__counter {
  font-size: 0.78rem;
  color: var(--gris-pierre);
  margin-top: var(--s-1);
}

@media (min-width: 768px) {
  .lightbox__image {
    max-height: 70vh;
  }
}

/* --------------------------------------------------------------------------
   11. ÉTUDE DE CAS
   -------------------------------------------------------------------------- */
.case-hero {
  padding: var(--s-7) 0 var(--s-5);
}

.case-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1) var(--s-4);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gris-pierre);
  margin-bottom: var(--s-4);
}

.case-hero__visual {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  margin-top: var(--s-5);
}

.case-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-act {
  padding: var(--s-7) 0;
  border-top: 1px solid var(--gris-ligne);
}

.case-act__number {
  font-family: var(--font-titre);
  font-size: 0.9rem;
  color: var(--vert-sauge);
  margin-bottom: var(--s-2);
}

.case-act__layout {
  display: grid;
  gap: var(--s-5);
}

.case-act__text {
  max-width: 480px;
}

.case-act__visual {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.case-act__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 1100px) {
  .case-act__layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--s-7);
  }
}

.moodboard {
  display: grid;
  gap: var(--s-2);
  grid-template-columns: repeat(2, 1fr);
}

.moodboard__item {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
}

.moodboard__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moodboard__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--s-1) var(--s-2);
  background-color: rgba(20,20,20,0.55);
  color: var(--blanc);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (min-width: 768px) {
  .moodboard {
    grid-template-columns: repeat(4, 1fr);
  }
}

.case-quote {
  max-width: 640px;
  margin: var(--s-6) auto 0;
  text-align: center;
}

.case-quote__text {
  font-family: var(--font-titre);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.5;
  color: var(--noir-doux);
}

.case-quote__author {
  color: var(--gris-pierre);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--s-2);
}

/* --------------------------------------------------------------------------
   12. SERVICES
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  gap: var(--s-5);
  grid-template-columns: 1fr;
}

.service-card {
  padding-top: var(--s-4);
  border-top: 1px solid var(--gris-ligne);
}

.service-card__title {
  margin-bottom: var(--s-2);
}

.service-card__text {
  color: var(--gris-pierre);
  margin-bottom: var(--s-3);
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.service-card__list-item {
  font-size: 0.9rem;
  padding-left: var(--s-3);
  position: relative;
}

.service-card__list-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 1px;
  background-color: var(--vert-sauge);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   13. TIMELINE HORIZONTALE (processus)
   -------------------------------------------------------------------------- */
.timeline {
  display: grid;
  gap: var(--s-5);
  grid-template-columns: 1fr;
}

.timeline__step {
  position: relative;
  padding-top: var(--s-3);
  border-top: 2px solid var(--gris-ligne);
  transition: border-color var(--transition-douce);
}

.timeline__step.is-visible {
  border-top-color: var(--vert-sauge);
}

.timeline__number {
  font-family: var(--font-titre);
  font-size: 1.6rem;
  color: var(--vert-sauge);
  margin-bottom: var(--s-1);
}

.timeline__title {
  font-size: 1.05rem;
  margin-bottom: var(--s-1);
}

.timeline__text {
  color: var(--gris-pierre);
  font-size: 0.9rem;
  margin-bottom: 0;
}

@media (min-width: 1100px) {
  .timeline {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
   14. FAQ ACCORDÉON
   -------------------------------------------------------------------------- */
.faq {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gris-ligne);
}

.faq-item__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  width: 100%;
  padding: var(--s-4) 0;
  text-align: left;
  font-family: var(--font-titre);
  font-size: 1.15rem;
  color: var(--noir-doux);
}

.faq-item__icon {
  flex-shrink: 0;
  transition: transform var(--transition-douce);
  color: var(--vert-sauge);
}

.faq-item__trigger[aria-expanded="true"] .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-douce);
}

.faq-item__panel-inner {
  padding-bottom: var(--s-4);
  color: var(--gris-pierre);
  max-width: 620px;
}

/* --------------------------------------------------------------------------
   15. FORMULAIRES
   -------------------------------------------------------------------------- */
.form {
  max-width: 720px;
}

.form__grid {
  display: grid;
  gap: var(--s-4);
  grid-template-columns: 1fr;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--noir-doux);
}

.form__required {
  color: var(--vert-sauge);
}

.form__input,
.form__select,
.form__textarea {
  padding: var(--s-2) 0;
  border: none;
  border-bottom: 1px solid var(--gris-ligne);
  border-radius: 0;
  background-color: transparent;
  color: var(--noir-doux);
  transition: border-color var(--transition-rapide);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--vert-sauge);
  outline: none;
}

.form__textarea {
  resize: vertical;
  min-height: 110px;
}

.form__group.has-error .form__input,
.form__group.has-error .form__select,
.form__group.has-error .form__textarea {
  border-color: #A6493D;
}

.form__error-msg {
  font-size: 0.78rem;
  color: #A6493D;
  min-height: 1em;
}

.form__hint {
  font-size: 0.78rem;
  color: var(--gris-pierre);
}

.form__actions {
  margin-top: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  align-items: flex-start;
}

.form__success {
  display: none;
  align-items: flex-start;
  gap: var(--s-3);
  border-top: 1px solid var(--vert-sauge);
  padding-top: var(--s-4);
  margin-top: var(--s-5);
}

.form__success.is-visible {
  display: flex;
}

.form__success-icon {
  color: var(--vert-sauge);
  flex-shrink: 0;
}

.form__success-title {
  margin-bottom: var(--s-1);
  font-size: 1.1rem;
}

.form__success-text {
  color: var(--gris-pierre);
  margin-bottom: 0;
  font-size: 0.92rem;
}

@media (min-width: 768px) {
  .form__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   16. CONTACT
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: var(--s-6);
  grid-template-columns: 1fr;
}

.contact-info__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-top: var(--s-4);
}

.contact-info__item {
  display: flex;
  gap: var(--s-2);
  align-items: flex-start;
}

.contact-info__icon {
  color: var(--vert-sauge);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-info__label {
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gris-pierre);
  margin-bottom: 2px;
}

.contact-info__value {
  color: var(--noir-doux);
}

@media (min-width: 1100px) {
  .contact-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

/* --------------------------------------------------------------------------
   17. FLOTTANTS : WHATSAPP DISCRET + RETOUR EN HAUT
   -------------------------------------------------------------------------- */
.floating-actions {
  position: fixed;
  right: var(--s-3);
  bottom: var(--s-3);
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--s-2);
}

.whatsapp-float {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: var(--noir-doux);
  color: var(--blanc);
  transition: background-color var(--transition-rapide);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  background-color: var(--vert-sauge);
}

.back-to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--gris-ligne);
  background-color: var(--blanc);
  color: var(--noir-doux);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-rapide), transform var(--transition-rapide), visibility var(--transition-rapide), border-color var(--transition-rapide);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: var(--vert-sauge);
  color: var(--vert-sauge);
}

/* --------------------------------------------------------------------------
   18. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--blanc);
  border-top: 1px solid var(--gris-ligne);
  padding: var(--s-6) 0 var(--s-4);
}

.site-footer__grid {
  display: grid;
  gap: var(--s-5);
  grid-template-columns: 1fr;
  margin-bottom: var(--s-6);
}

.site-footer__brand {
  font-family: var(--font-titre);
  font-size: 1.2rem;
  color: var(--noir-doux);
  margin-bottom: var(--s-2);
}

.site-footer__text {
  font-size: 0.9rem;
  color: var(--gris-pierre);
  max-width: 300px;
}

.site-footer__title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gris-pierre);
  margin-bottom: var(--s-3);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.site-footer__link {
  font-size: 0.92rem;
  color: var(--noir-doux);
  transition: color var(--transition-rapide);
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--vert-sauge);
}

.site-footer__bottom {
  border-top: 1px solid var(--gris-ligne);
  padding-top: var(--s-3);
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  font-size: 0.78rem;
  color: var(--gris-pierre);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* --------------------------------------------------------------------------
   19. PAGE HEADER (pages internes)
   -------------------------------------------------------------------------- */
.page-header {
  padding: var(--s-6) 0 var(--s-5);
}

.breadcrumb {
  display: flex;
  gap: var(--s-1);
  align-items: center;
  font-size: 0.8rem;
  color: var(--gris-pierre);
  margin-bottom: var(--s-3);
}

.breadcrumb a:hover {
  color: var(--vert-sauge);
}

.page-header__title {
  margin-bottom: var(--s-2);
}

.page-header__text {
  color: var(--gris-pierre);
  max-width: 560px;
  margin-bottom: 0;
}