/* ============================================================
   DÉLICES D'ÉBÈNE — Feuille de style
   Palette : Bleu Havenix (principal), blanc, gris clair, jaune (accent)
   Typo : Cormorant Garamond (titres) / Manrope (corps) / Manrope Mono-like data
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;1,500&family=Manrope:wght@400;500;600;700&display=swap');

/* ---------- 1. Tokens ---------- */
:root {
  /* Couleurs */
  --bleu-havenix: #0B2A5B;
  --bleu-havenix-700: #163B73;
  --bleu-havenix-600: #23508F;
  --bleu-havenix-100: #E7ECF4;

  --blanc: #FFFFFF;
  --gris-clair: #F5F6F8;
  --gris-100: #ECEEF2;
  --gris-300: #D8DCE3;
  --gris-500: #8A93A3;

  --jaune: #F5B914;
  --jaune-600: #D9A106;
  --jaune-100: #FDF2D8;

  --texte-principal: #16213D;
  --texte-mute: #5B6472;

  /* Typo */
  --police-titre: 'Cormorant Garamond', 'Georgia', serif;
  --police-corps: 'Manrope', -apple-system, sans-serif;

  /* Échelle */
  --taille-h1: clamp(2.75rem, 4.5vw + 1rem, 4.75rem);
  --taille-h2: clamp(2rem, 2.5vw + 1rem, 3rem);
  --taille-h3: clamp(1.15rem, 1vw + 1rem, 1.4rem);

  /* Rythme */
  --espace-section: clamp(4.5rem, 8vw, 8rem);
  --rayon: 6px;
  --rayon-lg: 14px;
  --transition: 260ms cubic-bezier(.4,0,.2,1);
  --ombre-douce: 0 20px 45px -25px rgba(11, 42, 91, 0.28);
  --ombre-forte: 0 30px 60px -20px rgba(11, 42, 91, 0.35);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@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; }
}

body {
  margin: 0;
  font-family: var(--police-corps);
  background: var(--blanc);
  color: var(--texte-principal);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
h1, h2, h3, p, figure { margin: 0; }
input, textarea, select { font: inherit; color: inherit; }

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--bleu-havenix);
  color: var(--blanc);
  padding: 0.75rem 1.25rem;
  z-index: 1000;
  border-radius: 0 0 var(--rayon) 0;
}
.skip-link:focus { left: 0; }

/* ---------- 3. Animation "fade-up" (déclenchée en JS) ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 4. Éléments utilitaires ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--police-corps);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bleu-havenix-600);
  margin-bottom: 0.9rem;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--jaune);
  flex-shrink: 0;
}

.section__intro {
  max-width: 640px;
  margin: 0 auto var(--espace-section) auto;
  text-align: center;
  padding: 0 1.5rem;
}
.section__intro h2 {
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: var(--taille-h2);
  line-height: 1.15;
  color: var(--bleu-havenix);
}
.section__intro p { margin-top: 1rem; color: var(--texte-mute); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  font-family: var(--police-corps);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--bleu-havenix);
  color: var(--blanc);
  box-shadow: 0 14px 30px -12px rgba(11, 42, 91, 0.55);
}
.btn--primary:hover { background: var(--bleu-havenix-700); transform: translateY(-3px); }

.btn--secondary {
  background: transparent;
  color: var(--bleu-havenix);
  border: 1.5px solid var(--bleu-havenix);
}
.btn--secondary:hover { background: var(--bleu-havenix); color: var(--blanc); transform: translateY(-3px); }
/* Variante secondaire sur fond sombre (hero) */
.hero .btn--secondary { color: var(--blanc); border-color: rgba(255,255,255,0.55); }
.hero .btn--secondary:hover { background: var(--blanc); color: var(--bleu-havenix); }

/* ---------- 5. Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem clamp(1.25rem, 4vw, 3rem);
  /* Fond toujours lisible par défaut (ne dépend pas du JS) */
  background: rgba(11, 42, 91, 0.82);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px -14px rgba(11, 42, 91, 0.4);
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
/* Renforcement au scroll si le JS est chargé : passe en blanc plein */
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px -18px rgba(11, 42, 91, 0.35);
  padding-block: 0.9rem;
}

.logo {
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: 1.45rem;
  letter-spacing: 0.02em;
  color: var(--blanc);
  text-shadow: 0 1px 4px rgba(11, 42, 91, 0.35);
  transition: color var(--transition), text-shadow var(--transition);
}
.site-header.is-scrolled .logo { color: var(--bleu-havenix); text-shadow: none; }

.header__nav { flex: 1; display: flex; justify-content: center; }
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2.1rem);
}
.nav__list a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 4px rgba(11, 42, 91, 0.35);
  position: relative;
  padding: 0.25rem 0.1rem;
  transition: color var(--transition), text-shadow var(--transition);
}
.site-header.is-scrolled .nav__list a { color: var(--texte-mute); text-shadow: none; }
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -3px;
  height: 2px;
  background: var(--jaune);
  transition: right var(--transition);
}
.nav__list a:hover { color: var(--blanc); }
.site-header.is-scrolled .nav__list a:hover { color: var(--bleu-havenix); }
.nav__list a:hover::after { right: 0; }

.header__cta { flex-shrink: 0; }
.header__cta .btn--primary {
  padding: 0.7rem 1.5rem;
  font-size: 0.85rem;
  background: var(--jaune);
  color: var(--bleu-havenix);
  box-shadow: none;
}
.header__cta .btn--primary:hover { background: var(--jaune-600); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}
.nav__toggle-bar {
  height: 2px;
  width: 100%;
  background: var(--blanc);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}
.site-header.is-scrolled .nav__toggle-bar { background: var(--bleu-havenix); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bleu-havenix);
}
.hero__media { position: absolute; inset: 0; }
.hero__image {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,42,91,0.55) 0%, rgba(11,42,91,0.72) 55%, rgba(11,42,91,0.92) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  padding: 7rem clamp(1.5rem, 5vw, 4rem) 4rem;
  color: var(--blanc);
  text-align: center;
}
.hero h1 {
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: var(--taille-h1);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.hero__subtitle {
  margin: 1.75rem auto 0;
  max-width: 560px;
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
}
.hero__actions {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- 7. À propos ---------- */
.about { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--blanc); }
.about__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: center;
}
.about__media {
  border-radius: var(--rayon-lg);
  overflow: hidden;
  box-shadow: var(--ombre-forte);
  position: relative;
}
.about__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: var(--rayon-lg);
  pointer-events: none;
}
.about__image { aspect-ratio: 4/3; object-fit: cover; }
.about__text h2 {
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: var(--taille-h2);
  line-height: 1.15;
  color: var(--bleu-havenix);
}
.about__text p { margin-top: 1.4rem; color: var(--texte-mute); max-width: 46ch; }

/* ---------- 8. Spécialités ---------- */
.specialties { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--gris-clair); }
.specialties__grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
}
.specialty-card {
  background: var(--blanc);
  border-radius: var(--rayon-lg);
  overflow: hidden;
  box-shadow: var(--ombre-douce);
  transition: transform var(--transition), box-shadow var(--transition);
}
.specialty-card:hover { transform: translateY(-8px); box-shadow: var(--ombre-forte); }
.specialty-card__media { aspect-ratio: 5/4; overflow: hidden; }
.specialty-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.specialty-card:hover .specialty-card__media img { transform: scale(1.06); }
.specialty-card h3 {
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--bleu-havenix);
  padding: 1.4rem 1.4rem 0.4rem;
}
.specialty-card p { padding: 0 1.4rem 1.6rem; color: var(--texte-mute); font-size: 0.92rem; }

/* ---------- 9. Pourquoi nous choisir ---------- */
.why-us { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--blanc); }
.why-us__grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.25rem 2.5rem;
}
.why-us__item {
  position: relative;
  padding: 1.75rem 1.5rem 1.5rem;
  border-radius: var(--rayon-lg);
  background: var(--gris-clair);
  transition: transform var(--transition), background var(--transition);
}
.why-us__item:hover { transform: translateY(-4px); background: var(--bleu-havenix-100); }
.why-us__item::before {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  background: var(--jaune);
  border-radius: 2px;
  margin-bottom: 1rem;
}
.why-us__item h3 { font-family: var(--police-titre); font-weight: 600; font-size: 1.3rem; color: var(--bleu-havenix); margin-bottom: 0.6rem; }
.why-us__item p { color: var(--texte-mute); font-size: 0.92rem; }

/* ---------- 10. Nos créations ---------- */
.creations { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--gris-clair); }

.creations__filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 auto var(--espace-section) auto;
  max-width: 760px;
}
.filter-btn {
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: 1.5px solid var(--gris-300);
  background: var(--blanc);
  font-family: var(--police-corps);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--texte-mute);
  transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--bleu-havenix); color: var(--bleu-havenix); }
.filter-btn.is-active {
  background: var(--bleu-havenix);
  border-color: var(--bleu-havenix);
  color: var(--blanc);
}

.creations__grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.85rem;
}
.creation-card {
  display: flex;
  flex-direction: column;
  background: var(--blanc);
  border-radius: var(--rayon-lg);
  overflow: hidden;
  box-shadow: var(--ombre-douce);
  transition: box-shadow var(--transition), transform var(--transition);
}
.creation-card:hover { box-shadow: var(--ombre-forte); transform: translateY(-6px); }
.creation-card__media { aspect-ratio: 4/3; overflow: hidden; }
.creation-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.creation-card:hover .creation-card__media img { transform: scale(1.06); }
.creation-card__content { padding: 1.4rem; display: flex; flex-direction: column; flex: 1; gap: 0.55rem; }
.creation-card__title { font-family: var(--police-titre); font-weight: 600; font-size: 1.3rem; color: var(--bleu-havenix); }
.creation-card__description { color: var(--texte-mute); font-size: 0.9rem; flex: 1; }

/* Étiquette de prix — sceau doré discret */
.creation-card__price {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--police-corps);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--bleu-havenix);
  background: var(--jaune-100);
  border-radius: 999px;
  padding: 0.3rem 0.85rem 0.3rem 0.6rem;
  margin: 0.2rem 0;
}
.creation-card__price::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--jaune-600);
  flex-shrink: 0;
}
.creation-card__link { margin-top: 0.4rem; justify-content: center; }

/* ---------- 11. Comment commander ---------- */
.how-to-order { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--bleu-havenix); }
.how-to-order .eyebrow { color: var(--jaune); }
.how-to-order .eyebrow::before { background: var(--jaune); }
.how-to-order .section__intro h2 { color: var(--blanc); }

.steps__list {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
  counter-reset: step;
}
.step-card {
  position: relative;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--rayon-lg);
  padding: 2rem 1.5rem 1.75rem;
  transition: transform var(--transition), background var(--transition);
}
.step-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.1); }
.step-card__number {
  display: block;
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: 2.2rem;
  color: var(--jaune);
  margin-bottom: 0.75rem;
}
.step-card h3 { color: var(--blanc); font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.step-card p { color: rgba(255,255,255,0.72); font-size: 0.9rem; }

/* ---------- 12. Galerie ---------- */
.gallery { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--blanc); }
.gallery__grid {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 230px;
  gap: 0.9rem;
}
.gallery__item { overflow: hidden; border-radius: var(--rayon); }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
.gallery__item:hover img { transform: scale(1.08); }
.gallery__item:nth-child(1) { grid-column: span 2; grid-row: span 2; }

/* ---------- 13. Avis clients ---------- */
.testimonials { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--gris-clair); }
.testimonials__disclaimer {
  font-size: 0.78rem;
  color: var(--texte-mute);
  margin-top: 0.75rem;
  font-style: italic;
}
.testimonials__grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.85rem;
}
.testimonial-card {
  margin: 0;
  background: var(--blanc);
  border-radius: var(--rayon-lg);
  padding: 2rem;
  box-shadow: var(--ombre-douce);
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--ombre-forte); }
.testimonial-card p {
  font-family: var(--police-titre);
  font-style: italic;
  font-weight: 500;
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--texte-principal);
}
.testimonial-card footer {
  margin-top: 1.2rem;
  font-family: var(--police-corps);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--bleu-havenix-600);
}

/* ---------- 14. FAQ ---------- */
.faq { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--blanc); }
.faq__list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq__item {
  background: var(--gris-clair);
  border-radius: var(--rayon);
  padding: 0.5rem 1.4rem;
  transition: background var(--transition);
}
.faq__item[open] { background: var(--bleu-havenix-100); }
.faq__item summary {
  cursor: pointer;
  padding: 1rem 0;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-family: var(--police-titre);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--jaune-600);
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding-bottom: 1.1rem; color: var(--texte-mute); font-size: 0.92rem; }

/* ---------- 15. Formulaire de commande ---------- */
.order { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--gris-clair); }

.order__form {
  max-width: 760px;
  margin: 0 auto;
  background: var(--blanc);
  border-radius: var(--rayon-lg);
  box-shadow: var(--ombre-douce);
  padding: clamp(1.75rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.35rem;
}
.form__group { display: flex; flex-direction: column; gap: 0.5rem; }
.form__group--full { grid-column: 1 / -1; }
.form__group label {
  font-family: var(--police-corps);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bleu-havenix-600);
}
.form__group input,
.form__group select,
.form__group textarea {
  background: var(--gris-clair);
  border: 1px solid var(--gris-300);
  border-radius: var(--rayon);
  padding: 0.8rem 0.95rem;
  color: var(--texte-principal);
  transition: border-color var(--transition), background var(--transition);
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--gris-500); }
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus { border-color: var(--bleu-havenix); background: var(--blanc); }
.order__form textarea { resize: vertical; min-height: 110px; }
.order__form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--bleu-havenix) 50%), linear-gradient(135deg, var(--bleu-havenix) 50%, transparent 50%); background-position: calc(100% - 20px) center, calc(100% - 15px) center; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.order__form .btn--primary {
  grid-column: 1 / -1;
  justify-self: center;
  margin-top: 0.5rem;
}

/* ---------- 16. Localisation ---------- */
.location { padding: var(--espace-section) clamp(1.25rem, 4vw, 3rem); background: var(--blanc); }
.location__map {
  max-width: 1020px;
  margin: 0 auto;
  border-radius: var(--rayon-lg);
  overflow: hidden;
  box-shadow: var(--ombre-douce);
}
.location__map iframe { display: block; }

/* ---------- 17. Footer ---------- */
.site-footer {
  background: var(--bleu-havenix);
  color: rgba(255,255,255,0.72);
  padding: 4.5rem clamp(1.25rem, 4vw, 3rem) 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
}
.footer__about .logo { display: inline-block; margin-bottom: 1rem; color: var(--blanc); }
.footer__about p { font-size: 0.88rem; max-width: 32ch; }
.footer__nav h3, .footer__contact h3, .footer__hours h3 {
  font-family: var(--police-corps);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--jaune);
  margin-bottom: 1.1rem;
}
.footer__nav ul, .footer__contact ul { display: flex; flex-direction: column; gap: 0.65rem; }
.footer__nav a, .footer__contact a { font-size: 0.9rem; transition: color var(--transition); }
.footer__nav a:hover, .footer__contact a:hover { color: var(--blanc); }
.footer__label { display: block; font-size: 0.72rem; color: rgba(255,255,255,0.45); }
.footer__hours p { font-size: 0.9rem; line-height: 1.75; }
.footer__bottom {
  grid-column: 1 / -1;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.14);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.45);
}

/* ---------- 18. Boutons flottants ---------- */
.whatsapp-float {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bleu-havenix);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px -10px rgba(11,42,91,0.55), 0 0 0 4px rgba(245,185,20,0.25);
  z-index: 90;
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float__icon { width: 24px; height: 24px; position: relative; }
.whatsapp-float__icon::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--blanc);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.04 2C6.58 2 2.13 6.45 2.13 11.91c0 1.75.46 3.45 1.32 4.95L2.05 22l5.25-1.38a9.86 9.86 0 0 0 4.74 1.21h.01c5.46 0 9.91-4.45 9.91-9.91 0-2.65-1.03-5.14-2.9-7.01A9.82 9.82 0 0 0 12.04 2zm5.8 14.1c-.24.68-1.4 1.3-1.93 1.36-.5.06-1.02.28-3.43-.72-2.9-1.2-4.77-4.14-4.92-4.33-.14-.2-1.18-1.57-1.18-3 0-1.42.75-2.12 1.02-2.41.26-.28.57-.35.76-.35.19 0 .38 0 .55.01.18.01.42-.07.65.5.24.58.82 2 .89 2.15.07.15.12.32.02.51-.1.2-.15.32-.3.5-.15.17-.31.39-.44.52-.15.15-.3.31-.13.6.17.3.76 1.26 1.64 2.04 1.13 1 2.08 1.32 2.38 1.47.3.15.47.13.65-.08.18-.2.75-.87.95-1.17.2-.3.4-.25.66-.15.27.1 1.7.8 1.99.95.29.15.48.22.55.34.07.13.07.72-.17 1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12.04 2C6.58 2 2.13 6.45 2.13 11.91c0 1.75.46 3.45 1.32 4.95L2.05 22l5.25-1.38a9.86 9.86 0 0 0 4.74 1.21h.01c5.46 0 9.91-4.45 9.91-9.91 0-2.65-1.03-5.14-2.9-7.01A9.82 9.82 0 0 0 12.04 2zm5.8 14.1c-.24.68-1.4 1.3-1.93 1.36-.5.06-1.02.28-3.43-.72-2.9-1.2-4.77-4.14-4.92-4.33-.14-.2-1.18-1.57-1.18-3 0-1.42.75-2.12 1.02-2.41.26-.28.57-.35.76-.35.19 0 .38 0 .55.01.18.01.42-.07.65.5.24.58.82 2 .89 2.15.07.15.12.32.02.51-.1.2-.15.32-.3.5-.15.17-.31.39-.44.52-.15.15-.3.31-.13.6.17.3.76 1.26 1.64 2.04 1.13 1 2.08 1.32 2.38 1.47.3.15.47.13.65-.08.18-.2.75-.87.95-1.17.2-.3.4-.25.66-.15.27.1 1.7.8 1.99.95.29.15.48.22.55.34.07.13.07.72-.17 1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 5.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blanc);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--ombre-douce);
  border: 1px solid var(--gris-300);
  z-index: 90;
  transition: transform var(--transition), opacity var(--transition);
}
.back-to-top[hidden] { display: none; }
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top__icon {
  width: 12px; height: 12px;
  border-top: 2px solid var(--bleu-havenix);
  border-right: 2px solid var(--bleu-havenix);
  transform: rotate(-45deg);
  margin-top: 4px;
}

/* ---------- 19. Responsive ---------- */
@media (min-width: 700px) {
  .about__content { grid-template-columns: 1fr 1fr; text-align: left; }
}

@media (max-width: 900px) {
  .header__nav { display: none; }
  .header__cta { display: none; }
  .nav__toggle { display: flex; }

  .header__nav.is-open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--blanc);
    box-shadow: 0 20px 40px -20px rgba(11,42,91,0.3);
  }
  .header__nav.is-open .nav__list {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 2rem;
    gap: 1.1rem;
    width: 100%;
  }
  .header__nav.is-open .nav__list a { color: var(--texte-principal); }

  .footer__about { grid-column: 1 / -1; }
  .site-footer { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .order__form { grid-template-columns: 1fr; padding: 1.5rem; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery__item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
  .site-footer { grid-template-columns: 1fr; }
  .hero__content { padding-top: 6rem; }
}