/* Cure Détox Bouleau – Style principal */
:root {
  --vert-bouleau: #6da027;
  --vert-clair: #c1e1c1;
  --fond-doux: #f0f8f5;
  --texte: #2c2c2c;
  --hover: #537b1d;
  --radius: 12px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Open Sans', Arial, sans-serif;
  color: var(--texte);
  background: var(--fond-doux);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}
.header, .footer {
  background: #fff;
  box-shadow: 0 2px 8px #0001;
  padding: 0.5rem 0;
}
.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--vert-bouleau);
  margin-left: 1rem;
}
.nav ul, .footer-nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav a, .footer-nav a {
  color: var(--texte);
  text-decoration: none;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.nav a:hover, .footer-nav a:hover, .btn-cta:hover {
  background: var(--hover);
  color: #fff;
}
.hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vert-clair);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(240,248,245,0.0) 0%, rgba(240,248,245,0.7) 80%, rgba(240,248,245,1) 100%);
}

.hero-img {
  width: 100vw;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--texte);
}
.hero h1 {
  font-size: 2.1rem;
  margin-bottom: .5rem;
}
.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}
.btn-cta {
  display: inline-block;
  background: var(--vert-bouleau);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 2rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px #0002;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.bienfaits {
  padding: 2rem 1rem;
  background: #fff;
}
.bienfaits-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.card {
  background: var(--fond-doux);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px #0001;
  padding: 1.5rem 1rem;
  text-align: center;
  flex: 1 1 220px;
  max-width: 280px;
  min-width: 180px;
  transition: transform var(--transition);
}
.card:hover {
  transform: translateY(-8px) scale(1.03);
}
.icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 0.5rem;
}
.valeurs {
  padding: 2rem 1rem;
}
.valeurs-list {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.valeur {
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem 2rem;
  text-align: center;
  min-width: 140px;
  box-shadow: 0 2px 8px #0001;
}
.temoignages {
  background: var(--fond-doux);
  padding: 2rem 1rem;
}
.temoignages-list {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.temoignage {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px #0001;
  padding: 1rem;
  max-width: 320px;
  text-align: center;
}
.temoignage-img {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 2px solid var(--vert-bouleau);
}
.faq {
  padding: 2rem 1rem;
  background: #fff;
}
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}
.faq details {
  margin-bottom: 1rem;
  border-radius: var(--radius);
  background: var(--fond-doux);
  padding: 1rem;
  box-shadow: 0 2px 8px #0001;
  transition: box-shadow var(--transition);
}
.faq details[open] {
  box-shadow: 0 4px 16px #0002;
}
.cta {
  padding: 2rem 1rem;
  background: var(--vert-clair);
}
.cta-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--vert-bouleau);
  box-shadow: 0 2px 8px #0001;
}
.question {
  padding: 2rem 1rem;
  background: #fff;
}
.question-form {
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.form-group {
  display: flex;
  flex-direction: column;
}
label {
  font-weight: 600;
  margin-bottom: 0.3rem;
}
input, textarea {
  border: 1px solid var(--vert-bouleau);
  border-radius: var(--radius);
  padding: 0.7rem;
  font-size: 1rem;
  background: var(--fond-doux);
  color: var(--texte);
  outline: none;
  transition: border var(--transition);
}
input:focus, textarea:focus {
  border-color: var(--hover);
}
.footer {
  text-align: center;
  padding: 1.2rem 0 0.5rem;
  background: #fff;
  margin-top: 2rem;
}
.copyright {
  font-size: 0.95rem;
  color: #888;
  margin-top: 1rem;
}
#backToTop {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  background: var(--vert-bouleau);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 2px 8px #0002;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s;
  z-index: 100;
}
#backToTop.show {
  opacity: 1;
  pointer-events: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
h2 {
  text-align: center;
}
/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s var(--transition), transform .8s var(--transition);
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
@media (max-width: 900px) {
  .bienfaits-cards, .valeurs-list, .temoignages-list, .cta-content {
    flex-direction: column;
    align-items: center;
  }
  .valeur, .card, .temoignage {
    max-width: 100%;
  }
}
@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.3rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .nav ul, .footer-nav ul {
    flex-direction: column;
    gap: 0.2rem;
  }
  .cta-img {
    width: 80px;
    height: 80px;
  }
  body {
    font-size: 0.97rem;
  }
}