@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Source+Sans+3:wght@300;400;600&display=swap');
@import './tokens.css';

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

a { color: var(--color-primary); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }
a:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 2px; border-radius: 2px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  color: var(--color-primary);
}

h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.05rem; color: var(--color-text); }

p { margin-bottom: 1rem; }
ul, ol { padding-left: 1.25rem; margin-bottom: 1rem; }
li { margin-bottom: 0.35rem; }

/* ===== Utility ===== */
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 1.25rem; }
.section-pad { padding: 4rem 0; }
.section-pad-sm { padding: 2.5rem 0; }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ===== Visual Placeholder ===== */
.visual-placeholder {
  display: block;
  width: 100%;
  border-radius: 8px;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-primary) 22%, var(--color-bg)) 0%,
      color-mix(in srgb, var(--color-primary) 10%, var(--color-bg)) 55%,
      color-mix(in srgb, var(--color-secondary) 18%, var(--color-bg)) 100%
    );
}
.visual-placeholder[data-aspect="4:3"]  { aspect-ratio: 4 / 3; }
.visual-placeholder[data-aspect="1:1"]  { aspect-ratio: 1 / 1; }
.visual-placeholder[data-aspect="3:4"]  { aspect-ratio: 3 / 4; }
.visual-placeholder[data-aspect="21:9"] { aspect-ratio: 21 / 9; }

.visual-placeholder[data-tone="secondary"] {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-secondary) 22%, var(--color-bg)) 0%,
      color-mix(in srgb, var(--color-secondary) 10%, var(--color-bg)) 55%,
      color-mix(in srgb, var(--color-primary) 16%, var(--color-bg)) 100%
    );
}
.visual-placeholder[data-tone="accent"] {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-accent, var(--color-primary)) 22%, var(--color-bg)) 0%,
      color-mix(in srgb, var(--color-primary) 12%, var(--color-bg)) 60%,
      color-mix(in srgb, var(--color-secondary) 16%, var(--color-bg)) 100%
    );
}
.visual-placeholder[data-tone="muted"] {
  background: color-mix(in srgb, var(--color-text) 8%, var(--color-bg));
}

/* ===== Header / Nav ===== */
.site-header {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(13,110,138,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.25rem;
  max-width: 1140px;
  margin: 0 auto;
}

.logo-link { display: flex; align-items: center; gap: 0.5rem; }
.logo-link img, .logo-link svg { height: 44px; width: auto; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--color-bg);
  border-top: 1px solid color-mix(in srgb, var(--color-primary) 15%, transparent);
  padding: 0.5rem 0;
}
.site-nav.open { display: flex; }

.site-nav a {
  padding: 0.75rem 1.25rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
  border-left: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.site-nav a:hover,
.site-nav a:focus,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-left-color: var(--color-secondary);
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
  text-decoration: none;
}

/* ===== CTA Button ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}
.btn-primary:hover, .btn-primary:focus {
  background: #0a5a71;
  border-color: #0a5a71;
  color: #ffffff;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(13,110,138,0.25);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover, .btn-outline:focus {
  background: var(--color-primary);
  color: #ffffff;
  text-decoration: none;
}
.btn-gold {
  background: var(--color-secondary);
  color: #111827;
  border-color: var(--color-secondary);
}
.btn-gold:hover, .btn-gold:focus {
  background: #e8a800;
  border-color: #e8a800;
  text-decoration: none;
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--color-primary) 8%, var(--color-bg)) 0%,
    var(--color-bg) 60%
  );
  padding: 3rem 0 4rem;
}
.hero-inner {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.hero-title {
  margin-bottom: 1.25rem;
}
.hero-tagline {
  font-size: 1.1rem;
  color: color-mix(in srgb, var(--color-text) 75%, var(--color-bg));
  font-style: italic;
  margin-bottom: 0.75rem;
}
.hero-body {
  font-size: 1.05rem;
  max-width: 580px;
  margin-bottom: 1.75rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-visual { border-radius: 12px; overflow: hidden; }

/* ===== Gold Divider ===== */
.gold-rule {
  width: 60px;
  height: 4px;
  background: var(--color-secondary);
  border-radius: 2px;
  margin: 0.75rem 0 1.5rem;
}
.gold-rule.center { margin-left: auto; margin-right: auto; }

/* ===== Atouts / Features Grid ===== */
.atouts-section { background: color-mix(in srgb, var(--color-primary) 4%, var(--color-bg)); }
.atouts-grid {
  display: grid;
  gap: 1.5rem;
}
.atout-card {
  background: var(--color-bg);
  border-radius: 8px;
  padding: 1.75rem;
  border-left: 4px solid var(--color-secondary);
  box-shadow: 0 2px 10px rgba(13,110,138,0.07);
}
.atout-card h3 { margin-bottom: 0.5rem; }
.atout-card p { margin: 0; color: color-mix(in srgb, var(--color-text) 80%, var(--color-bg)); }

/* ===== Creole Quote ===== */
.creole-quote {
  background: var(--color-primary);
  color: #ffffff;
  padding: 3rem 1.5rem;
  text-align: center;
}
.creole-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  color: #ffffff;
}
.creole-quote cite {
  font-size: 0.9rem;
  opacity: 0.8;
  font-style: normal;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
}

/* ===== Services Section ===== */
.services-section { padding: 4rem 0; }
.services-intro { max-width: 700px; margin: 0 auto 3rem; text-align: center; }
.services-grid {
  display: grid;
  gap: 2rem;
}
.service-card {
  background: var(--color-bg);
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 12%, transparent);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(13,110,138,0.06);
  transition: box-shadow 0.2s, transform 0.2s;
}
.service-card:hover { box-shadow: 0 6px 20px rgba(13,110,138,0.12); transform: translateY(-2px); }
.service-card-body { padding: 1.5rem; }
.service-card h3 { color: var(--color-primary); margin-bottom: 0.5rem; }
.service-card p { color: color-mix(in srgb, var(--color-text) 80%, var(--color-bg)); font-size: 0.95rem; margin-bottom: 1rem; }
.service-card ul { font-size: 0.9rem; color: color-mix(in srgb, var(--color-text) 75%, var(--color-bg)); }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #085a72 100%);
  color: #ffffff;
  padding: 3.5rem 1.5rem;
  text-align: center;
}
.cta-banner h2 { color: #ffffff; margin-bottom: 0.75rem; }
.cta-banner p { color: rgba(255,255,255,0.9); max-width: 540px; margin: 0 auto 1.75rem; }
.cta-banner .btn-gold { font-size: 1.05rem; padding: 0.85rem 2rem; }

/* ===== About Page ===== */
.about-intro {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding: 4rem 0;
}
.about-content h1 { margin-bottom: 0.5rem; }
.about-values { padding: 4rem 0; background: color-mix(in srgb, var(--color-primary) 4%, var(--color-bg)); }
.values-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}
.value-item {
  padding: 1.5rem;
  background: var(--color-bg);
  border-radius: 8px;
  border-top: 4px solid var(--color-secondary);
  box-shadow: 0 2px 8px rgba(13,110,138,0.06);
}
.value-item h3 { margin-bottom: 0.5rem; }

/* ===== Contact Page ===== */
.contact-layout {
  display: grid;
  gap: 3rem;
  padding: 4rem 0;
}
.contact-info h2 { margin-bottom: 1rem; }
.contact-item { display: flex; gap: 0.75rem; align-items: flex-start; margin-bottom: 1.25rem; }
.contact-icon {
  width: 40px;
  height: 40px;
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-bg));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 1.1rem;
}
.contact-text { flex: 1; }
.contact-text strong { display: block; font-size: 0.8rem; letter-spacing: 0.05em; text-transform: uppercase; color: color-mix(in srgb, var(--color-text) 55%, var(--color-bg)); margin-bottom: 0.15rem; }
.contact-text a { font-size: 1rem; font-weight: 600; color: var(--color-primary); }

.osm-map { border-radius: 8px; overflow: hidden; margin-top: 1.5rem; }
.osm-map iframe { display: block; width: 100%; height: 300px; border: 0; }

/* ===== Contact Form ===== */
.contact-form-section { margin-top: 0; }
.contact-form-section h2 { margin-bottom: 0.5rem; }
.contact-form-section .gold-rule { margin-bottom: 1.5rem; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid color-mix(in srgb, var(--color-text) 25%, var(--color-bg));
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-note {
  font-size: 0.8rem;
  color: color-mix(in srgb, var(--color-text) 55%, var(--color-bg));
  margin-top: 1rem;
}

/* ===== Mentions légales ===== */
.legal-content { padding: 4rem 0; max-width: 760px; margin: 0 auto; }
.legal-content h1 { margin-bottom: 1rem; }
.legal-content h2 { font-size: 1.2rem; margin-top: 2rem; margin-bottom: 0.5rem; }
.legal-content p, .legal-content address { font-size: 0.95rem; font-style: normal; }

/* ===== Breadcrumb ===== */
.breadcrumb { font-size: 0.82rem; padding: 0.75rem 0; color: color-mix(in srgb, var(--color-text) 55%, var(--color-bg)); }
.breadcrumb a { color: var(--color-primary); }
.breadcrumb span + span::before { content: " › "; margin: 0 0.3rem; }

/* ===== Page Header Band ===== */
.page-header {
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 10%, var(--color-bg)) 0%, var(--color-bg) 100%);
  border-bottom: 2px solid color-mix(in srgb, var(--color-primary) 12%, transparent);
  padding: 2.5rem 0 2rem;
}
.page-header h1 { margin-bottom: 0.4rem; }
.page-header p { color: color-mix(in srgb, var(--color-text) 70%, var(--color-bg)); max-width: 600px; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.9);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-brand img, .footer-brand svg { height: 40px; filter: brightness(0) invert(1); margin-bottom: 0.75rem; }
.footer-brand p { font-size: 0.9rem; opacity: 0.8; margin: 0; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a { color: rgba(255,255,255,0.85); font-size: 0.9rem; }
.footer-col a:hover { color: var(--color-secondary); text-decoration: none; }
.footer-col address { font-style: normal; font-size: 0.9rem; opacity: 0.85; line-height: 1.6; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.7;
}
.footer-bottom a { color: rgba(255,255,255,0.85); }

/* ===== Fade-in animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .atouts-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex !important;
    flex-direction: row;
    border-top: none;
    padding: 0;
    background: transparent;
    gap: 0;
  }
  .site-nav a {
    padding: 0.5rem 0.9rem;
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: 0;
  }
  .site-nav a:hover,
  .site-nav a:focus,
  .site-nav a[aria-current="page"] {
    border-left-color: transparent;
    border-bottom-color: var(--color-secondary);
    background: transparent;
  }

  .hero-inner { grid-template-columns: 1fr 1fr; gap: 4rem; }
  .about-intro { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .atouts-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =========================================================
   Motion pass — Centre Bien-être & Thérapeutique (WEB-5732)
   Grammaire : douce, respirante, jamais clinquante.
   Tout est encapsulé dans prefers-reduced-motion: no-preference.
   ========================================================= */

@media (prefers-reduced-motion: no-preference) {

  /* 1. Hero — cascade d'entrée douce sur le texte */
  .hero-eyebrow,
  .hero-title,
  .hero-tagline,
  .hero-body,
  .hero-ctas,
  .hero .gold-rule {
    opacity: 0;
    transform: translateY(14px);
    animation: bwt-hero-rise 720ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
  }
  .hero-eyebrow  { animation-delay:  60ms; }
  .hero-title    { animation-delay: 160ms; }
  .hero .gold-rule { animation-delay: 260ms; }
  .hero-tagline  { animation-delay: 340ms; }
  .hero-body     { animation-delay: 440ms; }
  .hero-ctas     { animation-delay: 540ms; }

  @keyframes bwt-hero-rise {
    to { opacity: 1; transform: none; }
  }

  /* 2. Hero visual — halo qui respire lentement (8s), très discret */
  .hero-visual { position: relative; isolation: isolate; }
  .hero-visual::before {
    content: "";
    position: absolute;
    inset: -18px;
    z-index: -1;
    border-radius: 24px;
    background: radial-gradient(
      60% 60% at 50% 50%,
      color-mix(in srgb, var(--color-secondary) 22%, transparent) 0%,
      color-mix(in srgb, var(--color-primary)   14%, transparent) 45%,
      transparent 75%
    );
    filter: blur(14px);
    opacity: 0.55;
    animation: bwt-breath 8s ease-in-out infinite;
    pointer-events: none;
  }
  @keyframes bwt-breath {
    0%, 100% { transform: scale(1);    opacity: 0.45; }
    50%      { transform: scale(1.06); opacity: 0.72; }
  }

  /* 3. Fade-in — enrichi : easing plus doux, léger stagger dans les grilles */
  .fade-in { transition: opacity 0.7s ease-out, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1); }

  .atouts-grid > .fade-in:nth-child(1),
  .services-grid > .fade-in:nth-child(1),
  .values-grid > .fade-in:nth-child(1)   { transition-delay: 0ms; }
  .atouts-grid > .fade-in:nth-child(2),
  .services-grid > .fade-in:nth-child(2),
  .values-grid > .fade-in:nth-child(2)   { transition-delay: 120ms; }
  .atouts-grid > .fade-in:nth-child(3),
  .services-grid > .fade-in:nth-child(3),
  .values-grid > .fade-in:nth-child(3)   { transition-delay: 240ms; }
  .atouts-grid > .fade-in:nth-child(4),
  .services-grid > .fade-in:nth-child(4),
  .values-grid > .fade-in:nth-child(4)   { transition-delay: 360ms; }
  .atouts-grid > .fade-in:nth-child(5),
  .services-grid > .fade-in:nth-child(5),
  .values-grid > .fade-in:nth-child(5)   { transition-delay: 480ms; }

  /* 4. Atout card — hover : soulèvement doux + accent doré qui s'épaissit */
  .atout-card {
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-left-width 0.25s ease;
    will-change: transform;
  }
  .atout-card:hover,
  .atout-card:focus-within {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(13, 110, 138, 0.13);
    border-left-width: 6px;
  }

  /* 5. Service card — placeholder qui glisse au hover (dégradé qui respire) */
  .service-card .visual-placeholder {
    background-size: 200% 200%;
    background-position: 0% 50%;
    transition: background-position 1.2s ease, transform 0.5s ease;
  }
  .service-card:hover .visual-placeholder,
  .service-card:focus-within .visual-placeholder {
    background-position: 100% 50%;
  }
  .service-card { transition: box-shadow 0.35s ease, transform 0.35s ease; }
  .service-card:hover,
  .service-card:focus-within { transform: translateY(-3px); }

  /* 6. Value item (page à-propos) — même souffle que .atout-card */
  .value-item {
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-top-width 0.25s ease;
  }
  .value-item:hover,
  .value-item:focus-within {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(13, 110, 138, 0.12);
    border-top-width: 6px;
  }

  /* 7. Bouton CTA-banner — respiration continue très discrète pour attirer l'œil sans agiter */
  .cta-banner .btn-gold {
    animation: bwt-cta-breath 4.2s ease-in-out infinite;
    will-change: box-shadow, transform;
  }
  @keyframes bwt-cta-breath {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-secondary) 55%, transparent); transform: none; }
    50%      { box-shadow: 0 0 0 10px color-mix(in srgb, var(--color-secondary) 0%, transparent); transform: translateY(-1px); }
  }
  .cta-banner .btn-gold:hover,
  .cta-banner .btn-gold:focus-visible {
    animation-play-state: paused;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
  }

  /* 8. Formulaire — lift très léger au focus-within du groupe */
  .form-group { transition: transform 0.25s ease; }
  .form-group:focus-within { transform: translateY(-1px); }
  .form-group input,
  .form-group textarea,
  .form-group select {
    transition: border-color 0.25s ease, box-shadow 0.35s ease, background 0.25s ease;
  }
  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    background: color-mix(in srgb, var(--color-primary) 3%, var(--color-bg));
  }

  /* 9. Gold-rule — s'anime à l'apparition (grandit de 0 à sa largeur) */
  .gold-rule {
    transform-origin: left center;
    animation: bwt-rule-grow 900ms cubic-bezier(0.22, 0.61, 0.36, 1) 200ms both;
  }
  .gold-rule.center { transform-origin: center center; }
  @keyframes bwt-rule-grow {
    from { transform: scaleX(0); opacity: 0.4; }
    to   { transform: scaleX(1); opacity: 1; }
  }

  /* 10. Boutons — micro-interaction commune : léger enfoncement à l'active */
  .btn { transition: background 0.2s, color 0.2s, box-shadow 0.25s ease, transform 0.15s ease, border-color 0.2s; }
  .btn:hover  { transform: translateY(-1px); }
  .btn:active { transform: translateY(0); transition-duration: 60ms; }

  /* 11. Header — logo qui se pose au hover (kinesthésie subtile) */
  .logo-link img { transition: transform 0.4s ease, opacity 0.3s ease; }
  .logo-link:hover img { transform: translateY(-1px); opacity: 0.92; }

  /* 12. Nav — underline animé sous les liens (desktop) */
  @media (min-width: 900px) {
    .site-nav a {
      position: relative;
      transition: color 0.25s ease;
    }
    .site-nav a::after {
      content: "";
      position: absolute;
      left: 0.9rem;
      right: 0.9rem;
      bottom: -2px;
      height: 2px;
      background: var(--color-secondary);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
    }
    .site-nav a:hover::after,
    .site-nav a:focus-visible::after,
    .site-nav a[aria-current="page"]::after {
      transform: scaleX(1);
    }
    /* on masque le border-bottom natif pour éviter le doublon visuel */
    .site-nav a:hover,
    .site-nav a:focus,
    .site-nav a[aria-current="page"] { border-bottom-color: transparent; }
  }
}

/* =========================================================
   Reduce-motion guard — obligatoire, désactive tout le motion pass
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in { opacity: 1 !important; transform: none !important; }
  .hero-eyebrow, .hero-title, .hero-tagline, .hero-body, .hero-ctas, .hero .gold-rule,
  .gold-rule { opacity: 1 !important; transform: none !important; }
  .hero-visual::before { animation: none !important; opacity: 0 !important; }
}