.faq-section {
  padding-block: clamp(112px, 9vw, 176px) 100px;
}
.faq-section > .site-container {
  max-width: 1500px;
}
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.5fr);
  gap: clamp(50px, 6cqi, 100px);
  align-items: start;
}
.faq-aside {
  min-width: 0;
  container-type: inline-size;
}
.faq-copy h2 {
  margin-top: 42px;
  font-size: clamp(42px, 12cqi, 85px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.066em;
}
.faq-copy h2 > span {
  display: block;
  white-space: nowrap;
}
.faq-copy h2 > span + span {
  color: var(--color-accent);
}
.faq-description {
  margin-top: 38px;
  max-width: 28ch;
  font-size: clamp(21px, 5.4cqi, 31px);
  line-height: 1.4;
  letter-spacing: -0.04em;
  color: #5c5c5c;
  text-wrap: pretty;
}
.faq-contact {
  margin-top: clamp(48px, 15cqi, 88px);
}
.faq-contact > p {
  margin-bottom: 20px;
  font-size: clamp(21px, 4.7cqi, 27px);
  letter-spacing: -0.04em;
}
.faq-contact .button-primary {
  gap: 24px;
  min-height: 58px;
  padding: 14px 32px;
  border-radius: 5px;
  font-size: clamp(18px, 4.1cqi, 23px);
  letter-spacing: -0.04em;
}
.faq-contact .button-arrow svg {
  width: 24px;
  height: 24px;
}
.faq-flow-tail {
  position: relative;
  height: 150px;
}
.faq-flow-tail > span {
  /* Repère de hauteur invisible : le fil reste dans la gouttière extérieure. */
  position: absolute;
  left: 0;
  bottom: 8px;
  width: 8px;
  height: 8px;
}
.faq-questions {
  min-width: 0;
}
.faq-item {
  position: relative;
  border-top: 1px solid #e2e2e2;
}
.faq-item:last-child {
  border-bottom: 1px solid #e2e2e2;
}
.faq-item summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 24px;
  align-items: center;
  gap: clamp(18px, 1.9cqi, 32px);
  position: relative;
  isolation: isolate;
  padding: 33px 24px 33px 32px;
  list-style: none;
  cursor: pointer;
}
/* Au survol, un fond à peine teinté pose la question entre ses deux filets ; seule son
   opacité change. */
.faq-item summary::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--color-accent) 5%, transparent),
    color-mix(in srgb, var(--color-graphite) 2.5%, transparent) 42%
  );
  opacity: 0;
  transition: opacity var(--motion-hover) var(--motion-ease-transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-number {
  font: 500 clamp(14px, 1.35cqi, 21px)/1.2 var(--font-mono);
  color: var(--color-muted);
  transition: color var(--motion-hover) var(--motion-ease-out);
}
.faq-question {
  font-size: clamp(20px, 1.75cqi, 28px);
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.faq-toggle {
  position: relative;
  width: 23px;
  height: 23px;
  color: var(--color-graphite);
  transition: color var(--motion-hover) var(--motion-ease-out);
}
.faq-toggle > i {
  position: absolute;
  left: 1px;
  right: 1px;
  top: 10px;
  height: 2px;
  background: currentColor;
}
.faq-toggle > i + i {
  transform: rotate(90deg);
  transition:
    transform var(--motion-feedback) var(--motion-ease-out),
    opacity var(--motion-hover) var(--motion-ease-out);
}
.faq-active-mark {
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--color-accent);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform var(--motion-group) var(--motion-ease-out);
}
.faq-item[open] .faq-active-mark {
  transform: scaleY(1);
}
.faq-item[open] .faq-number,
.faq-item[open] .faq-toggle {
  color: var(--color-accent);
}
.faq-item[open] .faq-toggle > i + i {
  transform: rotate(0);
  opacity: 0;
}
.faq-answer {
  padding: 0 52px 42px calc(84px + clamp(18px, 1.9cqi, 32px));
}
.faq-answer p {
  color: #666;
  font-size: clamp(18px, 1.55cqi, 24px);
  line-height: 1.45;
  letter-spacing: -0.033em;
  text-wrap: pretty;
}
@media (hover: hover) {
  .faq-item summary:hover::before {
    opacity: 1;
  }
  .faq-item summary:hover .faq-number,
  .faq-item summary:hover .faq-toggle {
    color: var(--color-accent);
  }
  /* Question fermée : la marque rouge de la réponse ouverte s'annonce sur un tiers. */
  .faq-item:not([open]) summary:hover .faq-active-mark {
    transform: scaleY(0.34);
  }
}
@media (width >= 1920px) {
  .faq-section > .site-container {
    max-width: 1760px;
  }
}
@media (width >= 1200px) and (height <= 1100px) {
  .faq-section {
    padding-block: 112px 76px;
  }
  .faq-copy h2 {
    margin-top: 36px;
  }
  .faq-item summary {
    padding-block: 30px;
  }
  .faq-answer {
    padding-bottom: 34px;
  }
}
@media (width < 1200px) {
  .faq-layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.2fr);
    gap: 40px;
  }
  .faq-copy h2 {
    font-size: clamp(38px, 12cqi, 62px);
  }
  .faq-description {
    font-size: 21px;
  }
  .faq-item summary {
    grid-template-columns: 30px minmax(0, 1fr) 21px;
    gap: 16px;
    padding: 27px 14px 27px 22px;
  }
  .faq-question {
    font-size: 19px;
  }
  .faq-answer {
    padding: 0 22px 30px 68px;
  }
  .faq-answer p {
    font-size: 18px;
  }
}
@media (width < 900px) {
  .faq-section {
    padding-block: 80px 64px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .faq-copy h2 {
    font-size: clamp(42px, 8.4cqi, 65px);
    margin-top: 28px;
  }
  .faq-description {
    max-width: 34ch;
    font-size: 22px;
    margin-top: 26px;
  }
  .faq-contact {
    margin-top: 34px;
  }
  .faq-contact > p {
    font-size: 21px;
    margin-bottom: 17px;
  }
  .faq-contact .button-primary {
    font-size: 19px;
    padding-inline: 26px;
  }
  .faq-flow-tail {
    height: 112px;
  }
  .faq-item summary {
    grid-template-columns: 30px minmax(0, 1fr) 22px;
    padding: 26px 12px 26px 18px;
  }
  .faq-answer {
    padding-left: 64px;
  }
}
@media (width < 480px) {
  .faq-item summary {
    grid-template-columns: 24px minmax(0, 1fr) 19px;
    gap: 12px;
    padding-inline: 12px 4px;
  }
  .faq-question {
    font-size: 18px;
  }
  .faq-number {
    font-size: 12px;
  }
  .faq-toggle {
    width: 19px;
    height: 19px;
  }
  .faq-toggle > i {
    top: 8px;
  }
  .faq-answer {
    padding: 0 12px 28px 48px;
  }
  .faq-answer p {
    font-size: 17px;
    line-height: 1.5;
  }
}