.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: .875rem 1.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--fs-base);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--gs-red);
  color: var(--gs-white);
}
.btn--primary:hover {
  background: var(--gs-red-dp);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  border-color: var(--gs-ink);
  color: var(--gs-ink);
}
.btn--secondary:hover {
  background: var(--gs-ink);
  color: var(--gs-white);
}

.btn--on-navy {
  background: var(--gs-white);
  color: var(--gs-navy);
}

.btn--whatsapp {
  background: #25D366;
  color: var(--gs-white);
}
.btn--whatsapp:hover {
  filter: brightness(.92);
}

.card {
  display: block;
  background: var(--gs-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .10);
}
.card img {
  transition: var(--transition);
}
.card:hover img {
  transform: scale(1.04);
}
.card__body {
  padding: var(--sp-6);
}

/* Variantes de couleur alternees - toujours les tons de la charte */
.card--red {
  background: var(--gs-red);
  color: var(--gs-white);
}
.card--navy {
  background: var(--gs-navy);
  color: var(--gs-white);
}
.card--red .card-icon,
.card--navy .card-icon {
  background: rgba(255, 255, 255, .15);
  color: var(--gs-white);
}
.card--red:hover,
.card--navy:hover {
  transform: translateY(-4px) scale(1.015);
}
.card--red:hover .card-icon,
.card--navy:hover .card-icon {
  transform: scale(1.1);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--sp-4);
  border-radius: 50%;
  background: var(--gs-grey-bg);
  color: var(--gs-red);
  transition: var(--transition);
}
.card-icon svg {
  width: 24px;
  height: 24px;
}
.section--navy .card-icon,
.hero .card-icon {
  background: rgba(255, 255, 255, .1);
  color: var(--gs-white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gs-grey-tx);
  margin-bottom: var(--sp-4);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--gs-red);
}

.section {
  padding-block: var(--sp-24);
}
.section--alt {
  background: var(--gs-grey-bg);
}
.section--navy {
  background: var(--gs-navy);
  color: var(--gs-white);
}
.section--skyline {
  background: linear-gradient(rgba(26, 26, 46, .55), rgba(26, 26, 46, .82)), url('/assets/images/photos/china-presence.jpg') center/cover no-repeat;
}
.section--navy .eyebrow {
  color: #B9B9C4;
}

.section--partners {
  position: relative;
  background: linear-gradient(rgba(17, 17, 17, .68), rgba(17, 17, 17, .82)), url('/assets/images/photos/trade-aerial.webp') center/cover no-repeat;
  color: var(--gs-white);
}
.section--partners .eyebrow {
  color: #E0DFE6;
}
.section--partners .eyebrow::before {
  background: var(--gs-white);
}
.section--partners .title--red {
  color: var(--gs-white);
}

.section--testimonials {
  position: relative;
  background: linear-gradient(rgba(249, 249, 249, .88), rgba(249, 249, 249, .93)), url('/assets/images/photos/study-graduation.webp') center/cover no-repeat;
}

.comments__list {
  display: grid;
  gap: var(--sp-4);
}

.comments__item-card {
  background: var(--gs-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--sp-4) var(--sp-6);
  animation: comment-float 5s var(--ease-signature) infinite;
  transition: box-shadow 300ms var(--ease-signature);
}
.comments__list .comments__item:nth-child(2n) .comments__item-card {
  animation-delay: -1.6s;
}
.comments__list .comments__item:nth-child(3n) .comments__item-card {
  animation-delay: -3.2s;
}
.comments__item-card:hover {
  box-shadow: 0 16px 36px rgba(0, 0, 0, .14);
}
.comments__item-card p {
  margin-bottom: var(--sp-1);
}
.comments__item-card p:last-child {
  margin-bottom: 0;
}

@keyframes comment-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

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

.testimonial-card {
  position: relative;
  overflow: visible;
}
.testimonial-card .card__body {
  padding-top: var(--sp-8);
}
.testimonial-card__mark {
  position: absolute;
  top: -.5rem;
  left: var(--sp-4);
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: var(--gs-red);
  opacity: .16;
  font-weight: 800;
  pointer-events: none;
}
.testimonial-card__quote {
  font-style: italic;
  color: var(--gs-ink);
  margin-bottom: var(--sp-6);
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--gs-line);
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
}
.testimonial-card__avatar--initial {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gs-red);
  color: var(--gs-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}
.testimonial-card__id {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.testimonial-card__id span {
  font-size: .85rem;
  color: var(--gs-grey-tx);
}

.founder {
  display: grid;
  gap: var(--sp-6);
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .founder {
    grid-template-columns: 160px 1fr;
  }
}
.founder__avatar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--gs-grey-bg);
  color: var(--gs-grey-tx);
  border: 2px dashed var(--gs-line);
}
.founder__avatar svg {
  width: 48px;
  height: 48px;
}
.founder__avatar span {
  font-size: var(--fs-xs);
}

/* Apparition au scroll - classe ajoutee par scroll-reveal.js uniquement.
   Sans JS, aucune section n'a cette classe et tout reste visible normalement. */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms var(--ease-signature), transform 500ms var(--ease-signature);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}