@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;600&display=swap');
@import './tokens.css';

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.25;
  color: var(--color-text);
}
h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 0.75rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ===== LAYOUT ===== */
.container { width: 100%; max-width: 1100px; margin-inline: auto; padding-inline: 1.25rem; }
.section { padding-block: 4rem; }
.section--alt { background: color-mix(in srgb, var(--color-primary) 5%, var(--color-bg)); }

/* ===== VISUAL PLACEHOLDERS ===== */
.visual-placeholder {
  display: block;
  width: 100%;
  border-radius: 10px;
  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));
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -999px;
  left: 0;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { top: 0; }

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 12%, transparent);
  padding-block: 0.875rem;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-logo { display: flex; align-items: center; }
.site-logo img { height: 38px; width: auto; }
.site-logo:hover { text-decoration: none; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid #f3f4f6;
  padding: 1rem 1.25rem 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.site-nav.is-open { display: block; }
.site-nav ul { display: flex; flex-direction: column; gap: 0.25rem; }
.site-nav a {
  display: block;
  padding: 0.55rem 0.5rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  text-decoration: none;
}

/* ===== HERO ===== */
.hero { padding-block: 3rem; }
.hero .visual-placeholder { margin-bottom: 2rem; }
.hero__eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}
.hero__lead {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
  margin-bottom: 0.75rem;
}
.hero__cite {
  font-style: italic;
  color: var(--color-primary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  display: block;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  text-decoration: none;
  line-height: 1.3;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn--primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--primary:hover { background: color-mix(in srgb, var(--color-primary) 85%, black); border-color: color-mix(in srgb, var(--color-primary) 85%, black); color: #fff; }
.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; }
.btn--accent { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn--accent:hover { background: color-mix(in srgb, var(--color-accent) 85%, black); color: #fff; }
.btn-group { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

/* ===== SECTION LEAD ===== */
.section-intro { max-width: 640px; }
.section-intro.centered { margin-inline: auto; text-align: center; }
.section-lead { color: color-mix(in srgb, var(--color-text) 72%, transparent); margin-bottom: 2rem; font-size: 1.05rem; }
.divider {
  width: 50px;
  height: 3px;
  background: var(--color-secondary);
  border-radius: 2px;
  margin: 0.75rem 0 1.5rem;
}
.divider--center { margin-inline: auto; }

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.04);
  border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.card .visual-placeholder { margin-bottom: 1.25rem; border-radius: 8px; }
.card__list { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.35rem; }
.card__list li { font-size: 0.92rem; color: color-mix(in srgb, var(--color-text) 78%, transparent); padding-left: 1.25rem; position: relative; }
.card__list li::before { content: "→"; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }

/* ===== HIGHLIGHT BAND ===== */
.highlight-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, color-mix(in srgb, var(--color-primary) 80%, var(--color-secondary)) 100%);
  color: #fff;
  padding-block: 3.5rem;
  text-align: center;
}
.highlight-band h2 { color: #fff; }
.highlight-band p { color: rgba(255,255,255,0.88); max-width: 540px; margin-inline: auto; margin-bottom: 1.75rem; }

/* ===== SERVICE DETAIL ===== */
.service-block {
  padding-block: 2rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.service-block:last-child { border-bottom: none; }
.service-block__list { margin-top: 0.75rem; display: flex; flex-direction: column; gap: 0.35rem; }
.service-block__list li { padding-left: 1.25rem; position: relative; color: color-mix(in srgb, var(--color-text) 78%, transparent); font-size: 0.95rem; }
.service-block__list li::before { content: "→"; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }

/* ===== SEANCE DECOUVERTE ===== */
.decouverte-box {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-secondary) 12%, var(--color-bg)) 0%,
    color-mix(in srgb, var(--color-primary) 8%, var(--color-bg)) 100%);
  border: 2px solid color-mix(in srgb, var(--color-secondary) 40%, transparent);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 1.5rem;
}
.decouverte-box h3 { color: var(--color-primary); }
.decouverte-box .service-block__list { margin-top: 0.75rem; }
.decouverte-box .service-block__list li::before { content: "✓"; color: var(--color-primary); }

/* ===== REVIEWS ===== */
.reviews-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.reviews-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 0.45rem 0.875rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.reviews-badge:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.1); text-decoration: none; }
.reviews-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.review-card {
  background: #fff;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  border: 1px solid #f3f4f6;
}
.review-card__header { display: flex; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.5rem; flex-wrap: wrap; align-items: baseline; }
.review-card__author { font-weight: 600; font-size: 0.95rem; }
.review-card__date { font-size: 0.8rem; color: #6b7280; }
.review-stars { display: flex; gap: 2px; color: var(--color-secondary); margin-bottom: 0.6rem; font-size: 0.95rem; }
.review-card__text { font-size: 0.93rem; color: color-mix(in srgb, var(--color-text) 80%, transparent); line-height: 1.6; }
.reviews-attribution { margin-top: 1.5rem; font-size: 0.8rem; color: #9ca3af; text-align: center; }
.reviews-attribution a { color: #9ca3af; }

/* ===== ABOUT ===== */
.about-layout { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
.about-visual .visual-placeholder { max-width: 300px; margin-inline: auto; border-radius: 12px; }

/* ===== PAGE HEADER ===== */
.page-header {
  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-bg));
  padding-block: 2.5rem 2rem;
  border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.page-header h1 { margin-bottom: 0.5rem; }
.page-header .lead { font-size: 1.05rem; color: color-mix(in srgb, var(--color-text) 72%, transparent); max-width: 580px; }

/* ===== CONTACT ===== */
.contact-layout { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-info__item { display: flex; align-items: flex-start; gap: 0.75rem; }
.contact-info__icon { color: var(--color-primary); flex-shrink: 0; margin-top: 0.1rem; }
.contact-info a { color: var(--color-primary); font-weight: 600; }
.map-wrapper { border-radius: 12px; overflow: hidden; aspect-ratio: 4/3; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.map-wrapper iframe { width: 100%; height: 100%; border: none; display: block; }

/* ===== FORM ===== */
.contact-form {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
}
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.35rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.875rem;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--color-text);
  background: #fafafa;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
}
.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);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: #6b7280; margin-top: 0.5rem; line-height: 1.5; }

/* ===== FOOTER ===== */
.site-footer { background: var(--color-text); color: #d1d5db; padding-block: 3rem 1.5rem; margin-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-col h4 { font-family: var(--font-display); color: #fff; font-size: 1rem; margin-bottom: 0.75rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.375rem; }
.footer-col a { color: #d1d5db; font-size: 0.9rem; transition: color 0.15s; }
.footer-col a:hover { color: var(--color-secondary); text-decoration: none; }
.footer-col p { font-size: 0.9rem; margin-bottom: 0.4rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: #6b7280;
}
.footer-bottom a { color: #6b7280; }
.footer-bottom a:hover { color: var(--color-secondary); text-decoration: none; }

/* ===== PHONE ===== */
.phone-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== ABOUT HERO (À propos) ===== */
.about-hero { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: start; }
.about-hero__visual .visual-placeholder { border-radius: 12px; }
.about-hero__content {}

/* ===== SERVICE BLOCKS (Accompagnements) ===== */
.service-block { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-block: 2.5rem; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent); }
.service-block:last-child { border-bottom: none; }
.service-block__visual .visual-placeholder { border-radius: 10px; }
.service-block__content {}
.check-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.4rem; list-style: none; }
.check-list li { padding-left: 1.5rem; position: relative; color: color-mix(in srgb, var(--color-text) 80%, transparent); font-size: 0.95rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--color-primary); font-weight: 700; }

/* ===== PULL QUOTE ===== */
.pull-quote {
  border-left: 4px solid var(--color-secondary);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: color-mix(in srgb, var(--color-secondary) 8%, var(--color-bg));
  border-radius: 0 8px 8px 0;
}
.pull-quote p { font-style: italic; font-size: 1.05rem; color: var(--color-text); margin-bottom: 0.5rem; }
.pull-quote footer { font-size: 0.88rem; color: color-mix(in srgb, var(--color-text) 65%, transparent); }

/* ===== CONTACT LIST ===== */
.contact-list { list-style: none; display: flex; flex-direction: column; gap: 1.25rem; }
.contact-list li { display: flex; flex-direction: column; gap: 0.2rem; }
.contact-list strong { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.contact-list a { font-weight: 600; color: var(--color-primary); font-size: 1rem; }
.contact-list address { font-style: normal; color: var(--color-text); }
.contact-form-col {}

/* ===== TABLET (≥640px) ===== */
@media (min-width: 640px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }

  .nav-toggle { display: none; }
  .site-nav {
    display: block;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .site-nav ul { flex-direction: row; gap: 0.25rem; }
  .site-nav a { padding: 0.4rem 0.75rem; font-size: 0.95rem; }
}

/* ===== DESKTOP (≥1024px) ===== */
@media (min-width: 1024px) {
  .hero { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
  .hero .visual-placeholder { margin-bottom: 0; }
  .about-layout { grid-template-columns: 1fr 2fr; }
  .about-visual .visual-placeholder { max-width: 100%; }
  .about-hero { grid-template-columns: 1fr 2fr; }
  .service-block { grid-template-columns: 1fr 1fr; }
  .service-block--reverse .service-block__visual { order: 2; }
  .service-block--reverse .service-block__content { order: 1; }
  .contact-layout { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===================================================================
   ANIMATION PASS — AX ZEN · Amandine Coaching · WEB-2721
   =================================================================== */

/* ── 0. Kill switch WCAG 2.1 / 2.3.1 ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration:        0.01ms !important;
    animation-iteration-count: 1      !important;
    transition-duration:       0.01ms !important;
    scroll-behavior:           auto   !important;
  }
}

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

  /* Keyframes */
  @keyframes ac-fade-up {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0);    }
  }
  @keyframes ac-nav-down {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0);    }
  }

  /* ── 1. Hero entrance — staggeré, CSS-only, page load ── */
  .hero__eyebrow    { animation: ac-fade-up 0.60s ease-out both; animation-delay: 0.05s; }
  .hero h1          { animation: ac-fade-up 0.60s ease-out both; animation-delay: 0.15s; }
  .hero__lead       { animation: ac-fade-up 0.60s ease-out both; animation-delay: 0.25s; }
  .hero__cite       { animation: ac-fade-up 0.55s ease-out both; animation-delay: 0.35s; }
  .hero .btn-group  { animation: ac-fade-up 0.50s ease-out both; animation-delay: 0.42s; }

  /* Page-header (pages internes) */
  .page-header h1    { animation: ac-fade-up 0.55s ease-out both; animation-delay: 0.05s; }
  .page-header .lead { animation: ac-fade-up 0.50s ease-out both; animation-delay: 0.15s; }

  /* ── 2. Card hover lift ── */
  .card {
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  }
  .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.13), 0 2px 6px rgba(0, 0, 0, 0.05);
    border-color: color-mix(in srgb, var(--color-primary) 25%, transparent);
  }
  .review-card {
    transition: box-shadow 0.25s ease, transform 0.25s ease;
  }
  .review-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.10), 0 2px 6px rgba(0, 0, 0, 0.05);
  }

  /* ── 3. Scroll reveal via IntersectionObserver (main.js ajoute .js-anim + .is-visible) ── */
  .js-anim .card,
  .js-anim .review-card,
  .js-anim .service-block {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.60s ease-out, transform 0.60s ease-out;
  }
  /* Une fois révélé : transition rapide pour le hover */
  .js-anim .card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  }
  .js-anim .review-card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
  }
  .js-anim .service-block.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
  /* stagger naturel sur la grille cards */
  .js-anim .cards-grid   .card:nth-child(2)       { transition-delay: 0.08s; }
  .js-anim .cards-grid   .card:nth-child(3)        { transition-delay: 0.16s; }
  .js-anim .cards-grid   .card:nth-child(4)        { transition-delay: 0.24s; }
  .js-anim .reviews-grid .review-card:nth-child(2) { transition-delay: 0.08s; }
  .js-anim .reviews-grid .review-card:nth-child(3) { transition-delay: 0.16s; }
  .js-anim .reviews-grid .review-card:nth-child(4) { transition-delay: 0.24s; }
  .js-anim .reviews-grid .review-card:nth-child(5) { transition-delay: 0.32s; }

  /* ── 4. Divider grow ── */
  .js-anim .divider {
    width: 0;
    transition: width 0.50s ease-out;
  }
  .js-anim .divider.is-visible { width: 50px; }

  /* ── 5. Visual placeholder hover shimmer (GPU-friendly) ── */
  /* Hauteur spec : [data-tone] gagne sur .visual-placeholder seul — on cible les deux */
  .visual-placeholder {
    background-size: 200% 200%;
    background-position: 0% 50%;
    transition: background-position 0.90s ease, transform 0.35s ease;
  }
  .visual-placeholder[data-tone] {
    background-size: 200% 200%;
    background-position: 0% 50%;
  }
  .visual-placeholder:hover,
  .visual-placeholder[data-tone]:hover,
  .card:hover .visual-placeholder,
  .service-block:hover .visual-placeholder {
    background-position: 100% 50%;
  }

  /* ── 6. Mobile nav slide-down ── */
  .site-nav.is-open {
    animation: ac-nav-down 0.22s ease-out both;
  }

  /* ── 7. Focus-visible ring accessible ── */
  :focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
  }
  .btn:focus-visible {
    outline-offset: 4px;
    border-radius: 50px;
  }
  .site-nav a:focus-visible {
    border-radius: 6px;
  }

  /* ── 8. Hero visual-placeholder gentle entry ── */
  .hero .visual-placeholder {
    animation: ac-fade-up 0.70s ease-out both;
  }

  /* ── 9. Highlight-band CTA breath (douce respiration zen) ── */
  @keyframes ac-cta-breathe {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.025); }
  }
  .highlight-band .btn--accent {
    animation: ac-cta-breathe 2.4s ease-in-out infinite;
  }
  .highlight-band .btn--accent:hover,
  .highlight-band .btn--accent:focus-visible {
    animation: none;
    transform: translateY(-1px);
  }

  /* ── 10. Nav scroll shadow (JS toggle .is-scrolled) ── */
  .site-header { transition: box-shadow 0.3s ease; }
  .site-header.is-scrolled {
    box-shadow: 0 2px 24px rgba(13, 148, 136, 0.14);
  }

}