/* Reusable links, buttons, and client carousel. */

.button:focus-visible,
.project a:focus-visible {
  outline-color: var(--color-text);
}

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.skip-link:focus {
  position: fixed;
  z-index: 10;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  clip-path: none;
  padding: 1rem;
  background: var(--color-background);
}

.button {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0.875rem 2rem 0.875rem 1.5rem;
  font-weight: 750;
  color: var(--color-text);
  text-decoration: none;
  line-height: 1.35;
  white-space: nowrap;
}

.button::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 20px) 100%, 0 100%);
  transition: background-color 0.2s ease-out;
}

.button:hover::before {
  background: var(--color-accent-hover);
}

.button:active {
  transform: translateY(1px);
}

.header-contact {
  min-height: 48px;
  font-size: 1rem;
}

.text-link {
  display: inline-block;
  font-weight: 700;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--color-accent);
}

.text-link:hover {
  text-decoration-color: currentColor;
}

.carousel-controls {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.carousel-button {
  width: 48px;
  height: 48px;
  border: 0;
  background: var(--color-text);
  color: var(--color-background);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background-color 0.2s ease-out;
}

.carousel-button:hover:not(:disabled) {
  background: var(--color-accent);
  color: var(--color-text);
}

.carousel-button:disabled {
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: default;
}

.client-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  margin: 0;
  padding: 0.5rem 0 1rem;
  list-style: none;
  scrollbar-width: thin;
  scrollbar-color: var(--color-text-muted) var(--color-surface);
}

/* Scripts add inaccessible copies for looping; the plain HTML list retains
   native scrolling and snapping when JavaScript is unavailable. */
.client-track.is-looping {
  scroll-snap-type: none;
  scrollbar-width: none;
  overflow-anchor: none;
}

.client-track.is-looping::-webkit-scrollbar {
  display: none;
}

.client-logo {
  flex: 0 0 calc((100% - 3rem) / 4);
  min-height: 166px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  scroll-snap-align: start;
  background: var(--color-background);
  border: 1px solid #dce3de;
}

.client-name {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 2.7em;
  font-size: var(--font-size-small);
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
}

.client-name small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.client-logo img {
  height: 80px;
  width: 200px;
  max-width: 100%;
  object-fit: contain;
  transform: scale(var(--partner-logo-scale, 1));
}

/* Optical corrections share one image slot, keeping every name aligned. */
.client-logo--paris-habitat {
  --partner-logo-scale: 0.9;
}

.client-logo--rivp {
  --partner-logo-scale: 0.78;
}

.client-logo--seqens {
  --partner-logo-scale: 0.95;
}

.client-logo--efidis {
  --partner-logo-scale: 0.76;
}

.client-logo--valophis {
  --partner-logo-scale: 0.96;
}

.client-logo--cdc-habitat {
  --partner-logo-scale: 1.08;
}

.client-logo--batigere {
  --partner-logo-scale: 0.85;
}

.client-logo--plaine-commune-habitat {
  --partner-logo-scale: 0.95;
}

@media (max-width: 900px) {
  .header-contact {
    margin-left: auto;
  }
}

@media (max-width: 640px) {
  .client-logo {
    flex-basis: 72%;
  }

  .header-contact {
    min-height: 44px;
    font-size: 0.875rem;
    padding: 0.75rem 1.5rem 0.75rem 1rem;
  }
}

@media (max-width: 360px) {
  .header-contact {
    font-size: 0.8125rem;
    padding: 0.75rem 1.25rem 0.75rem 0.75rem;
  }
}