/* ═══════════════════════════════════════════════════════════════
   Theme: "Patina Wellness" — douche-senior-paris.fr
   Inspiration : Aalvar Aalto humanist modernism + kintsugi healing
   Approche : accessibilité douce, formes organiques, lecture senior-friendly
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,700&family=Manrope:wght@400;500;600;700&display=swap');

:root {
  /* Palette patina — bleus aquatiques + verts mousse */
  --primary:        #0891B2;
  --primary-dark:   #155E75;
  --primary-light:  #E0F2FE;
  --primary-rgb:    8, 145, 178;
  --accent:         #16A34A;
  --accent-soft:    #DCFCE7;
  --kintsugi:       #C2B27D; /* or sourd kintsugi */
  --paper:          #FAFAF7;  /* fond papier japonais */
  --ink:            #1F2937;  /* encre douce */
  --whisper:        #9CA3AF;

  /* Radius senior-friendly (gros boutons faciles à voir/cliquer) */
  --r-card:         24px;
  --r-button:       16px;
  --r-pill:         999px;

  /* Typo accessibilité — plus grands que défaut */
  --fs-body:        18px;     /* +2 vs default 16px */
  --fs-h1:          clamp(2.4rem, 6vw, 4rem);
  --fs-h2:          clamp(1.8rem, 4vw, 2.6rem);
  --fs-button:      1.15rem;  /* gros boutons */
  --lh-readable:    1.7;      /* ligne aérée */

  /* Shadows douces — pas de hard shadow brutal */
  --shadow-soft:    0 4px 24px -4px rgba(8,145,178,.12);
  --shadow-card:    0 1px 0 #E5E7EB, 0 18px 36px -18px rgba(8,145,178,.18);
  --shadow-cta:     0 8px 28px -6px rgba(22,163,74,.45);
}

/* ─── Reset accessibilité ─── */
* { box-sizing: border-box; }
body {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: var(--fs-body);
  line-height: var(--lh-readable);
  color: var(--ink);
  background: var(--paper);
  margin: 0;
  text-rendering: optimizeLegibility;
}

/* ─── Typographie kintsugi : serif éditorial + sans body ─── */
h1, h2, h3, .hero h1, .cluster-hero h1, .badge {
  font-family: 'Fraunces', 'Playfair Display', Georgia, serif;
  font-weight: 500;            /* poids éditorial doux */
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144;
}
h1 { font-size: var(--fs-h1); line-height: 1.1; margin: 0 0 .6em; }
h2 { font-size: var(--fs-h2); line-height: 1.15; margin: 1.4em 0 .4em; color: var(--primary-dark); }
h3 { font-size: 1.4rem; color: var(--primary-dark); }
p  { margin: 0 0 1em; }
a  { color: var(--primary); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s; }
a:hover { border-bottom-color: var(--primary); }

/* ─── Hero : forme organique + filet kintsugi ─── */
.hero, .cluster-hero {
  position: relative;
  padding: 6rem 5% 8rem;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(22,163,74,.10), transparent 50%),
    linear-gradient(160deg, var(--primary-light) 0%, #F0FDF4 100%);
  color: var(--ink);
  overflow: hidden;
  /* Forme organique en bas (vague douce) */
  border-bottom-left-radius: 50% 8%;
  border-bottom-right-radius: 50% 8%;
  margin-bottom: -1px;
}
.hero::before {
  /* Filet doré kintsugi */
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(105deg, transparent 48%, var(--kintsugi) 49%, var(--kintsugi) 49.6%, transparent 50%);
  opacity: .25;
  pointer-events: none;
}
.hero h1, .cluster-hero h1 {
  color: var(--primary-dark);
  position: relative;
  z-index: 1;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
  background: linear-gradient(180deg, transparent 60%, var(--accent-soft) 60%);
  padding: 0 .15em;
}

/* ─── Hero CTA : gros bouton senior-friendly ─── */
.btn-primary, .btn-cta, .header-cta {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  padding: 1.2rem 2.4rem;
  font-size: var(--fs-button);
  font-weight: 600;
  font-family: 'Manrope', sans-serif;
  background: linear-gradient(135deg, var(--accent) 0%, #15803D 100%);
  color: #fff;
  border: none;
  border-radius: var(--r-button);
  box-shadow: var(--shadow-cta);
  cursor: pointer;
  transition: transform .15s, box-shadow .2s;
  text-decoration: none;
  min-height: 56px;   /* WCAG large touch target */
  min-width: 200px;
}
.btn-primary:hover, .btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px -8px rgba(22,163,74,.55);
}
.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary);
}

/* ─── Cards : papier + ombre douce ─── */
.card, .feature-card, .ra-card, .usp-card {
  background: #fff;
  border-radius: var(--r-card);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(8,145,178,.06);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); }

/* ─── Trust bar : badges patina ─── */
.trust-bar, .trust-logos {
  background: #fff;
  padding: 1.4rem 5%;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  border-top: 1px solid #F3F4F6;
  border-bottom: 1px solid #F3F4F6;
}
.trust-bar span, .trust-logos span {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-size: .92rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: .5em 1.1em;
  border-radius: var(--r-pill);
}

/* ─── Sections : papier japonais ─── */
section {
  padding: 4.5rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ─── FAQ accordion : lignes ink ─── */
details {
  border-bottom: 1px solid #E5E7EB;
  padding: 1.4rem 0;
  cursor: pointer;
}
details summary {
  font-family: 'Fraunces', serif;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--primary-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details summary::after {
  content: '+';
  font-size: 1.6rem;
  color: var(--accent);
  transition: transform .2s;
}
details[open] summary::after { transform: rotate(45deg); }
details > p { margin-top: 1rem; color: #4B5563; }

/* ─── Sticky mobile CTA : gros, accessible ─── */
.a54-sticky-cta-bar, #cro-sticky-mobile {
  background: linear-gradient(135deg, var(--accent) 0%, #15803D 100%) !important;
  padding: 1rem 1.2rem !important;
  border-radius: 0 !important;
  box-shadow: 0 -8px 24px -8px rgba(0,0,0,.25) !important;
}
.a54-sticky-cta-bar a, #cro-sticky-mobile a {
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  padding: 1rem !important;
}

/* ─── Focus visible (accessibilité senior) ─── */
*:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── Mobile portrait — texte encore plus gros ─── */
@media (max-width: 640px) {
  :root {
    --fs-body: 17px;
    --fs-h1: 2.2rem;
    --fs-h2: 1.6rem;
  }
  .hero, .cluster-hero { padding: 4rem 5% 6rem; }
  .btn-primary, .btn-cta { width: 100%; justify-content: center; }
}

/* ─── Print-friendly (seniors qui impriment) ─── */
@media print {
  .hero, .cluster-hero { background: #fff !important; color: #000 !important; }
  .btn-primary, .btn-cta { border: 2px solid #000; }
}