@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

:root {
  --ink: #202821;
  --muted: #5f6b62;
  --green: #005096;
  --green-dark: #005096;
  --green-pale: #53a9e5;
  --paper: #f7f8f5;
  --white: #ffffff;
  --line: #e1e8df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', Arial, sans-serif;
  line-height: 1.65;
}

.page {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 32px;
}

/* En-tête */

.hero {
  text-align: center;
  padding: 42px 24px 38px;
  margin-bottom: 26px;
  background: var(--green-pale);
  color: var(--white);
  border-radius: 22px;
  border: 1px solid #dcebd8;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-dark);
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: -0.04em;
}

h1,
.faq-item summary {
  font-family: 'Manrope', 'DM Sans', Arial, sans-serif;
  line-height: 1.3;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  letter-spacing: -0.04em;
}

.intro {
  max-width: 560px;
  margin: 16px auto 0;
  color: var(--dark-green);
  font-size: 1.05rem;
}

/* Liste des questions */

.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 5px solid var(--green);
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(29, 49, 30, 0.035);
  overflow: hidden;
}

/* Titre cliquable */

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 21px 23px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(1.02rem, 2.5vw, 1.2rem);
  font-weight: 800;
  transition: background-color 0.2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

/* Signe + */

.faq-item summary::after {
  content: "+";
  display: grid;
  place-items: center;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green-pale);
  color: var(--white);
  font-family: Arial, sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
}

/* Signe − lorsque la réponse est ouverte */

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  background: #f8fbf7;
}

.faq-item summary:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: -4px;
  border-radius: 12px;
}

/* Réponses */

.answer {
  padding: 0 23px 22px;
  color: #455047;
  animation: reveal 180ms ease-out;
}

.answer p {
  margin: 0;
}

.answer strong {
  color: var(--green-dark);
}

.answer ul {
  margin: 12px 0 0;
  padding-left: 22px;
}

.answer li + li {
  margin-top: 8px;
}

.note {
  margin-top: 12px !important;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--muted);
}

/* Pied de page */

footer {
  margin-top: 26px;
  padding: 20px;
  text-align: center;
  color: var(--green-dark);
  font-weight: 600;
}

footer p {
  margin: 0;
}

/* Animation d'ouverture */

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(-3px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Respect des préférences d'accessibilité */

@media (prefers-reduced-motion: reduce) {
  .answer {
    animation: none;
  }

  .faq-item summary {
    transition: none;
  }
}

/* Adaptation aux téléphones */

@media (max-width: 560px) {
  .page {
    width: calc(100% - 20px);
    padding-top: 16px;
  }

  .hero {
    padding: 32px 18px;
    border-radius: 16px;
  }

  .faq-item summary {
    padding: 18px 16px;
    font-size: 1rem;
  }

  .answer {
    padding: 0 16px 19px;
  }

  .faq-item summary::after {
    flex-basis: 29px;
    width: 29px;
    height: 29px;
  }
}