/* =========================================================
   LES ATELIERS DE LUCE — Design system & styles
   Direction artistique : éditorial chaleureux, inspiré de Vestris.ai
   Charte graphique officielle (couleurs, logo) appliquée strictement
   ========================================================= */

:root {
  /* Couleurs de marque (charte graphique) */
  --color-primary-dark: #42221A;
  --color-primary-rust: #552622;
  --color-accent-terracotta: #A95F33;
  --color-beige-warm: #B38F6C;
  --color-beige-light: #D3C5B0;
  --color-bg-sage: #E4E5D7;
  --color-bg-main: #E8E8DC;
  --color-white: #FFFFFF;
  --hairline: rgba(66, 34, 26, 0.16);

  /* Typographies */
  --font-title: 'Instrument Serif', serif;
  --font-script: 'Caveat', cursive;
  --font-body: 'Inter', sans-serif;

  /* Rythme (grille 4/8px) */
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --border-soft: 1px solid var(--hairline);
  --transition: 0.2s ease;
  --header-height: 66px;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-primary-rust);
  background-color: var(--color-bg-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ============ MOUVEMENT & REVELATION ============ */
.hero__topline,
.hero__eyebrow,
.hero__title,
.hero__subhead,
.hero__actions,
.hero__image,
.hero__signature {
  animation: hero-in 0.8s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.hero__eyebrow { animation-delay: 0.08s; }
.hero__title { animation-delay: 0.16s; }
.hero__subhead { animation-delay: 0.24s; }
.hero__actions { animation-delay: 0.32s; }
.hero__image { animation-delay: 0.42s; }
.hero__signature { animation-delay: 0.55s; }

.reveal-target {
  opacity: 1;
  transform: none;
}

.has-motion .reveal-target {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s ease, transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}

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

@keyframes hero-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

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

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .has-motion .reveal-target {
    opacity: 1;
    transform: none;
  }
}

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

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

a:hover,
a:focus-visible { text-decoration: none; }

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

h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 400;
  color: var(--color-primary-dark);
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  line-height: 1.1;
}

h1 em, h2 em, h3 em {
  font-style: italic;
  color: var(--color-accent-terracotta);
}

p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 1.5rem);
}

/* ============ CHIPS / BADGES ============ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-rust);
  background-color: var(--color-white);
  border: 1px solid var(--color-beige-warm);
  padding: 0.5em 1.1em;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.chip--center {
  display: flex;
  width: fit-content;
  margin-inline: auto;
}

/* ============ BOUTONS ============ */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.9em 1.8em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
  box-shadow: 0 10px 20px rgba(66, 34, 26, 0.06);
}

.btn--primary {
  background-color: var(--color-accent-terracotta);
  color: var(--color-white);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-primary-rust);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(66, 34, 26, 0.12);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: rgba(66, 34, 26, 0.25);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(232, 232, 220, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-soft);
  box-shadow: 0 8px 24px rgba(66, 34, 26, 0.04);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 1rem;
  overflow: hidden;
}

.logo {
  display: flex;
  align-items: center;
  height: calc(var(--header-height) + 16px);
  overflow: hidden;
}

.logo__img {
  height: 130px;
  width: auto;
  object-fit: contain;
  transform: translateY(2px);
  display: block;
}

/* Le hamburger pilote un menu plein écran, à toutes les tailles d'écran */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background-color: var(--color-white);
  border: var(--border-soft);
  border-radius: 999px;
  cursor: pointer;
  z-index: 110;
  flex-shrink: 0;
}

.nav-toggle__bar {
  width: 18px;
  height: 2px;
  background-color: var(--color-primary-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Menu plein écran, sobre et centré */
.nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  padding: 2rem 1.5rem;
  background-color: var(--color-bg-main);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.nav__link {
  display: block;
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  padding: 0.3em 0.5em;
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent-terracotta);
}

.nav__cta {
  margin-top: 0.5rem;
  width: 100%;
  max-width: 280px;
}

/* Sur grand écran, les onglets restent visibles directement dans le header */
@media (min-width: 860px) {
  .nav-toggle { display: none; }

  .nav {
    position: static;
    inset: auto;
    flex-direction: row;
    justify-content: flex-end;
    gap: 1.5rem;
    padding: 0;
    background: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    height: auto;
    overflow: visible;
    flex: 1;
  }

  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--color-white);
    border: var(--border-soft);
    border-radius: 999px;
    padding: 0.35rem;
  }

  .nav__link {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.55em 1.1em;
    border-radius: 999px;
    transition: color var(--transition), background-color var(--transition);
  }

  .nav__link:hover,
  .nav__link:focus-visible {
    color: var(--color-white);
    background-color: var(--color-accent-terracotta);
  }

  .nav__cta {
    margin-top: 0;
    width: auto;
    max-width: none;
  }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: min(760px, calc(100vh - var(--header-height)));
  padding-block: clamp(3rem, 8vw, 6rem) clamp(3.5rem, 9vw, 7rem);
  overflow: hidden;
  background-color: var(--color-primary-dark);
  color: var(--color-bg-main);
}

.hero::before {
  content: "";
  position: absolute;
  width: min(55vw, 720px);
  aspect-ratio: 1;
  right: -12vw;
  bottom: -38%;
  border: 1px solid rgba(228, 229, 215, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 0 36px rgba(228, 229, 215, 0.04), 0 0 0 72px rgba(228, 229, 215, 0.03);
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__topline {
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: clamp(4rem, 12vw, 9rem);
  border-bottom: 1px solid rgba(228, 229, 215, 0.35);
  color: var(--color-bg-sage);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__title {
  color: var(--color-bg-main);
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  max-width: 16ch;
  line-height: 0.88;
  letter-spacing: -0.035em;
  margin-bottom: 1.5rem;
}

.hero__eyebrow {
  margin: 0 0 1rem;
  color: var(--color-beige-light);
  font-family: var(--font-script);
  font-size: 1.4rem;
}

.hero__subhead {
  font-size: 1rem;
  max-width: 52ch;
  color: var(--color-bg-sage);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-block: 1.75rem 3rem;
}

.hero__actions .btn {
  min-width: max-content;
  padding-inline: 1.8rem;
  white-space: nowrap;
}

.hero__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 3.25rem;
  padding: 0.5rem 1.4rem;
  border: 1px solid rgba(228, 229, 215, 0.48);
  border-radius: 999px;
  color: var(--color-bg-main);
  font-size: 0.92rem;
  font-weight: 700;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}

.hero__link:hover,
.hero__link:focus-visible {
  color: var(--color-beige-light);
  border-color: var(--color-beige-light);
  transform: translateY(-2px);
}

.hero__image {
  width: min(100%, 920px);
  margin: 1rem 0 0;
  overflow: hidden;
  border: 1px solid rgba(228, 229, 215, 0.35);
  border-radius: var(--radius);
  background-color: var(--color-primary-rust);
}

.hero__image img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(0.88) contrast(0.98);
}

.hero .btn--ghost {
  color: var(--color-bg-main);
  border-color: rgba(228, 229, 215, 0.4);
}

.hero .btn--ghost:hover,
.hero .btn--ghost:focus-visible {
  border-color: var(--color-bg-main);
}

.hero__signature {
  position: absolute;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-beige-light);
  transform: rotate(-7deg);
  transform-origin: right center;
}

.hero__signature-word {
  font-family: var(--font-script);
  font-size: 1.35rem;
}

.hero__signature-line {
  width: 42px;
  height: 1px;
  background-color: var(--color-beige-light);
}

.value-snapshot {
  background-color: var(--color-bg-main);
  padding-block: clamp(2.5rem, 7vw, 5rem);
}

.value-snapshot__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.4rem, 3vw, 2.2rem);
  max-width: 980px;
}

.value-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: clamp(240px, 30vw, 300px);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(66, 34, 26, 0.08);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: 0 18px 40px rgba(66, 34, 26, 0.04);
  text-align: center;
}

.value-card__icon {
  display: grid;
  place-items: center;
  width: clamp(72px, 9vw, 104px);
  height: clamp(72px, 9vw, 104px);
  border-radius: 50%;
  background: rgba(66, 34, 26, 0.08);
  border: 1px solid rgba(66, 34, 26, 0.12);
  margin-bottom: 1.5rem;
}

.value-card__icon svg {
  width: 52%;
  height: 52%;
  fill: var(--color-primary-dark);
  stroke: var(--color-primary-dark);
  stroke-width: 1.7;
  stroke-linejoin: round;
}

.value-card__icon--target svg {
  width: 56%;
  height: 56%;
  stroke: var(--color-primary-dark);
  fill: transparent;
}

.value-card h3 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-family: var(--font-title);
  font-weight: 400;
  color: var(--color-primary-dark);
}

.proof-strip {
  background-color: var(--color-accent-terracotta);
  color: var(--color-white);
}

.proof-strip__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.proof-strip__inner div {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.25rem 1rem;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  font-size: 0.85rem;
}

.proof-strip__inner div:last-child { border-right: 1px solid rgba(255, 255, 255, 0.3); }

.proof-strip strong {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 400;
}

.proof-strip__inner div {
  transition: background-color var(--transition), padding-left var(--transition);
}

.proof-strip__inner div:hover {
  padding-left: 1.4rem;
  background-color: rgba(66, 34, 26, 0.14);
}

.section-kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  color: var(--color-beige-warm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-kicker span {
  color: var(--color-accent-terracotta);
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 400;
}

/* ---- Panneau "aperçu de séance", façon mockup produit ---- */
.hero__panel {
  width: 100%;
  max-width: 440px;
  background-color: var(--color-white);
  border: var(--border-soft);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: left;
}

.hero__panel-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.hero__panel-label {
  margin-left: auto;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-rust);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-beige-warm);
}

.dot--pending { background-color: var(--color-beige-light); }

.hero__panel-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero__panel-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: rgba(66, 34, 26, 0.5);
}

.hero__panel-row--done {
  background-color: var(--color-bg-sage);
  color: var(--color-primary-dark);
}

.hero__panel-row--active {
  border: 1px dashed var(--color-beige-warm);
  color: var(--color-primary-dark);
}

.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--color-accent-terracotta);
  color: var(--color-white);
  font-size: 0.7rem;
  flex-shrink: 0;
}

.spinner {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-beige-light);
  border-top-color: var(--color-accent-terracotta);
  flex-shrink: 0;
  animation: spin 0.8s linear infinite;
}

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

/* ============ SECTIONS GENERIQUES ============ */
.section {
  padding-block: clamp(3.1rem, 7vw, 5.2rem);
}

.section--sage {
  background-color: var(--color-bg-sage);
}

.section__title {
  text-align: center;
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  max-width: 22ch;
  margin-inline: auto;
}

.section__title--left {
  text-align: left;
  margin-inline: 0;
}

.section__intro {
  text-align: center;
  max-width: 58ch;
  margin-inline: auto;
  margin-top: 1rem;
  margin-bottom: 3.5rem;
  color: var(--color-primary-rust);
  font-size: 1.05rem;
}

.section__intro--left {
  text-align: left;
  margin-inline: 0;
}

.values-block {
  margin-top: clamp(3rem, 8vw, 6rem);
}

.values-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(2rem, 6vw, 5.5rem);
  max-width: 1120px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(66, 34, 26, 0.12);
}

.value-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
  min-height: 9.5rem;
  padding: 1.5rem 0;
  background: transparent;
  border-top: 1px solid rgba(66, 34, 26, 0.12);
  border-radius: 0;
  transition: transform var(--transition), background-color var(--transition);
}

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

.value-item__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(66, 34, 26, 0.04);
  border: 1px solid rgba(66, 34, 26, 0.08);
  font-size: 1.2rem;
}

.value-item__body {
  display: grid;
  gap: 0.2rem;
}

.value-item__body h3 {
  margin: 0;
  font-size: clamp(1.12rem, 1.8vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.value-item__body p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(85, 38, 34, 0.8);
  max-width: 52ch;
}

.demarche-layout {
  display: grid;
  gap: 3rem;
}

.demarche-copy .section__title {
  margin-bottom: 1.25rem;
}

.demarche-copy .section__intro {
  margin-bottom: 1.5rem;
}

/* ============ GRID / CARTES (DEMARCHE) ============ */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background-color: var(--color-white);
  border: var(--border-soft);
  border-radius: var(--radius);
  padding: 2.2rem 1.75rem;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-terracotta);
}

.reveal-target .card,
.reveal-target .prestations-tabs__tab {
  transition: transform var(--transition), border-color var(--transition), color var(--transition), background-color var(--transition);
}

.reveal-target .card:hover {
  transform: translateY(-7px);
}

.card__icon {
  width: 56px;
  height: 56px;
  margin-inline: auto;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  background-color: var(--color-bg-sage);
  border: var(--border-soft);
  border-radius: 50%;
}

.card__title {
  font-size: 1.2rem;
  margin-bottom: 0.5em;
}

.card__text {
  font-size: 0.95rem;
  margin-bottom: 0;
}

.prestations-cards .card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  position: relative;
  text-align: left;
}

.prestations-cards .card__icon {
  margin-inline: 0;
}

.card__eyebrow {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--color-accent-terracotta);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prestations-cards .card--featured {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-bg-main);
  padding: clamp(2rem, 4vw, 3.25rem);
}

.prestations-cards .card--featured .card__title {
  color: var(--color-bg-main);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.prestations-cards .card--featured .card__icon {
  background-color: var(--color-bg-sage);
}

.prestations-cards .card__text + .card__text {
  margin-top: 1rem;
}

/* ============ ONGLETS PRESTATIONS ============ */
.prestations-tabs {
  display: grid;
  grid-template-columns: minmax(210px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: stretch;
  margin-top: 3rem;
}

.prestations-tabs__list {
  display: flex;
  flex-direction: column;
  border-top: var(--border-soft);
}

.prestations-tabs__tab {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  align-items: center;
  gap: 0.75rem;
  min-height: 4.5rem;
  padding: 0.9rem 0;
  border: 0;
  border-bottom: var(--border-soft);
  background: transparent;
  color: var(--color-primary-rust);
  cursor: pointer;
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  text-align: left;
  transition: color var(--transition), padding-left var(--transition), transform var(--transition);
}

.prestations-tabs__tab:hover,
.prestations-tabs__tab:focus-visible,
.prestations-tabs__tab.is-active {
  color: var(--color-accent-terracotta);
  padding-left: 0.5rem;
  transform: translateX(2px);
}

.prestations-tabs__tab:focus-visible {
  outline: 2px solid var(--color-accent-terracotta);
  outline-offset: -2px;
}

.prestations-tabs__number {
  color: var(--color-beige-warm);
  font-family: var(--font-title);
  font-size: 1rem;
}

.prestations-tabs__tab.is-active .prestations-tabs__number {
  color: var(--color-accent-terracotta);
}

.prestations-tabs__panels {
  min-width: 0;
}

.prestations-tabs__panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  min-height: 100%;
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(135deg, rgba(66, 34, 26, 0.98), rgba(66, 34, 26, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 28px 40px rgba(66, 34, 26, 0.12);
  color: var(--color-bg-main);
  animation: panel-in 0.28s ease both;
}

.prestations-tabs__panel[hidden] { display: none; }

.prestations-tabs__panel h3 {
  margin-bottom: 1rem;
  color: var(--color-bg-main);
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.prestations-tabs__panel p {
  max-width: 48ch;
  color: var(--color-bg-sage);
}

.prestations-tabs__panel .card__eyebrow {
  margin-bottom: 0.8rem;
  color: var(--color-beige-light);
}

.prestations-tabs__visual {
  display: grid;
  place-items: center;
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background-color: var(--color-bg-sage);
  font-size: 2rem;
}

@keyframes panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ ETAPES (LES ATELIERS) ============ */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: var(--border-soft);
}

.step:first-child {
  padding-top: 0;
  border-top: none;
}

.step__index {
  font-family: var(--font-title);
  font-size: 1.6rem;
  color: var(--color-accent-terracotta);
}

.step__title {
  font-size: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.step__tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-terracotta);
  letter-spacing: 0.04em;
  background-color: var(--color-bg-sage);
  padding: 0.2em 0.6em;
  border-radius: 999px;
}

.step__text {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.atelier-promise {
  max-width: 54ch;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--color-beige-warm);
  font-family: var(--font-title);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
}

.feature-image {
  margin: 0 auto clamp(3rem, 7vw, 5rem);
  overflow: hidden;
  border-radius: var(--radius);
  border: var(--border-soft);
}

.feature-image img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1), filter 0.8s ease;
}

.feature-image:hover img,
.hero__image:hover img,
.about__visual:hover .about__image {
  transform: scale(1.035);
  filter: saturate(1) contrast(1.02);
}

.feature-image--atelier img {
  object-position: center 58%;
}

/* ============ A PROPOS ============ */
.about {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.about__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  background-color: var(--color-beige-light);
  border: var(--border-soft);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.84);
}

.about__seal {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 72px;
  height: 72px;
}

.about__visual-placeholder {
  font-family: var(--font-title);
  font-style: italic;
  color: var(--color-primary-rust);
  text-align: center;
  padding: 1rem;
}

.about__text {
  max-width: 60ch;
  color: var(--color-primary-rust);
}

/* ============ CONTACT ============ */
.section--cta {
  padding-top: 0;
}

.cta-panel {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(163, 97, 61, 0.08), rgba(66, 34, 26, 0.03));
  border: 1px solid rgba(66, 34, 26, 0.08);
  border-radius: calc(var(--radius) + 10px);
  padding: clamp(2rem, 5vw, 3.5rem);
  box-shadow: 0 10px 30px rgba(66, 34, 26, 0.025);
}

.cta-panel__copy {
  display: grid;
  gap: 0.5rem;
}

.cta-panel p {
  margin: 0;
  max-width: 52ch;
  color: var(--color-primary-rust);
}

.cta-panel .btn {
  justify-self: start;
}

.contact__list a,
.footer__legal a {
  color: var(--color-accent-terracotta);
  font-weight: 600;
}

.contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.contact__list li {
  margin-bottom: 0.85em;
  color: var(--color-primary-rust);
}

.contact__form {
  display: grid;
  gap: 1.25rem;
  background-color: var(--color-white);
  border: var(--border-soft);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.form__group {
  display: grid;
  gap: 0.4em;
}

.form__group label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

.form__group input,
.form__group textarea,
.form__group select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.8em 1.1em;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-bg-sage);
  background-color: var(--color-bg-main);
  color: var(--color-primary-dark);
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__group input:focus,
.form__group textarea:focus,
.form__group select:focus {
  outline: none;
  border-color: var(--color-accent-terracotta);
  box-shadow: 0 0 0 4px rgba(169, 95, 51, 0.16);
}

.form__submit { justify-self: start; }

.form__feedback {
  margin: 0;
  font-weight: 700;
  color: var(--color-accent-terracotta);
  min-height: 1.2em;
}

/* ============ FOOTER ============ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-bg-main);
  padding-block: 2.5rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer__logo-img {
  height: 44px;
  width: auto;
}

.footer__legal {
  font-size: 0.85rem;
  opacity: 0.8;
  max-width: 50ch;
  margin: 0;
}

/* =========================================================
   RESPONSIVE — breakpoints
   ========================================================= */

/* Petits écrans : on resserre les espacements pour rester léger */
@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding-block: 1.5rem 4rem;
  }

  .value-snapshot__grid {
    grid-template-columns: 1fr;
  }

  .values-list {
    grid-template-columns: 1fr;
  }

  .value-item {
    grid-template-columns: 42px minmax(0, 1fr);
    min-height: 0;
    padding: 1.15rem 0;
  }

  .value-card {
    min-height: 220px;
    padding: 1.5rem 1rem;
  }

  .logo__img { height: 100px; }

  .hero__topline {
    margin-bottom: 5rem;
    font-size: 0.62rem;
  }

  .hero__topline span:last-child { text-align: right; }

  .hero__title {
    font-size: clamp(2.8rem, 14vw, 4.2rem);
    max-width: 12ch;
  }

  .hero__subhead { font-size: 0.95rem; }

  .hero__signature {
    position: relative;
    right: auto;
    bottom: auto;
    align-self: flex-end;
    margin-top: 1rem;
  }

  .proof-strip__inner {
    grid-template-columns: 1fr;
  }

  .proof-strip__inner div,
  .proof-strip__inner div:last-child {
    border-right: none;
    border-left: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-block: 0.9rem;
  }

  .proof-strip__inner div:last-child { border-bottom: none; }

  .chip { font-size: 0.75rem; padding: 0.45em 0.9em; }

  .prestations-tabs {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .prestations-tabs__list {
    display: grid;
    grid-template-columns: repeat(5, minmax(9.5rem, 1fr));
    overflow-x: auto;
    border-top: 0;
    border-bottom: var(--border-soft);
    scrollbar-width: thin;
  }

  .prestations-tabs__tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.25rem;
    min-height: 5.25rem;
    padding: 0.75rem 0.9rem;
    border-top: var(--border-soft);
    border-bottom: 0;
    font-size: 1rem;
  }

  .prestations-tabs__tab:hover,
  .prestations-tabs__tab:focus-visible,
  .prestations-tabs__tab.is-active {
    padding-left: 0.9rem;
  }

  .prestations-tabs__panel {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.75rem 1.4rem;
  }

  .prestations-tabs__panel h3 { font-size: 2rem; }

  .card { padding: 1.75rem 1.4rem; }

  .contact__form { padding: 1.75rem 1.4rem; }

  .cta-panel .btn,
  .hero__actions,
  .form__submit,
  .nav__cta {
    width: 100%;
  }

  .cta-panel .btn,
  .hero__actions .btn,
  .hero__link { flex: 1 1 auto; }

  .hero__actions .btn {
    max-width: none;
  }

  .hero__link {
    justify-content: center;
    min-width: 0;
  }

  .btn { width: 100%; }

  .cta-panel {
    justify-items: stretch;
  }
}

@media (min-width: 760px) {
  .cta-panel {
    grid-template-columns: 1.5fr 1.1fr auto;
  }

  .cta-panel p {
    justify-self: center;
  }

  .cta-panel .btn {
    justify-self: end;
  }
}

@media (min-width: 700px) {
  .about {
    grid-template-columns: 1fr 1.2fr;
  }

  .contact {
    grid-template-columns: 1fr 1.4fr;
  }
}

@media (min-width: 860px) {
  .demarche-layout {
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 7rem);
  }

  .demarche-cards.grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .prestations-cards.grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prestations-cards .card--featured {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .prestations-cards .card:not(.card--featured) {
    grid-column: span 1;
  }

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

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .step {
    border-top: none;
    padding-top: 0;
    border-left: var(--border-soft);
    padding-left: 1.5rem;
  }

  .step:first-child {
    border-left: none;
    padding-left: 0;
  }

  .steps.steps--atelier {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .steps--atelier .step,
  .steps--atelier .step:first-child {
    border-top: none;
    border-left: var(--border-soft);
    padding: 0 1.5rem;
  }

  .steps--atelier .step:first-child {
    border-left: none;
    padding-left: 0;
  }

  .steps--atelier .step:last-child {
    padding-right: 0;
  }

  .steps--atelier .step__title {
    min-height: 2.75em;
  }

  .atelier-promise {
    text-align: center;
    margin-inline: auto;
  }
}

@media (min-width: 1100px) {
  .prestations-cards.grid--4 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1rem;
  }

  .prestations-cards .card--featured {
    grid-column: span 6;
    grid-row: span 2;
  }

  .prestations-cards .card:not(.card--featured) {
    grid-column: span 3;
  }
}