/* Section styles — cases / testimonials marquee */

.cases.site-section {
  position: relative;
  overflow: hidden;
  transform: none !important;
  padding-top: clamp(3.5rem, 2.5rem + 3vw, 5.5rem);
  padding-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem);
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(var(--color-primary-rgb), 0.055), transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 100%, rgba(77, 184, 220, 0.04), transparent 60%),
    var(--color-background, #fcf9f8);
}

.cases__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 1.5rem + 1vw, 2.5rem);
}

.cases-header {
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 1rem + 0.8vw, 1.75rem);
  align-items: center;
  text-align: center;
}

.cases-header__copy {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  max-width: 42rem;
  align-items: center;
  text-align: center;
}

.cases-header__lead {
  color: #475569;
  max-width: 38rem;
  margin: 0;
}

/* ── Logo carousel (Referenzkunden) ── */

.cases-logos {
  --cases-logos-duration: 56s;
  --cases-logos-edge: clamp(2rem, 6vw, 5rem);
  --cases-logos-tile-w: clamp(15rem, 13.5rem + 4vw, 17.5rem);
  --cases-logos-tile-h: clamp(5rem, 4.5rem + 1.2vw, 6rem);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cases-logos__marquee {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.cases-logos__viewport {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 var(--cases-logos-edge),
    #000 calc(100% - var(--cases-logos-edge)),
    transparent 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 var(--cases-logos-edge),
    #000 calc(100% - var(--cases-logos-edge)),
    transparent 100%
  );
}

.cases-logos__track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: cases-logos-marquee var(--cases-logos-duration) linear infinite;
}

.cases-logos__marquee:hover .cases-logos__track,
.cases-logos__marquee:focus-within .cases-logos__track {
  animation-play-state: paused;
}

.cases-logos__group {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 0.75rem + 1vw, 1.75rem);
  padding-inline: clamp(0.75rem, 0.5rem + 0.8vw, 1.25rem);
  margin: 0;
  list-style: none;
}

.cases-logos__item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.cases-logos__figure {
  margin: 0;
}

.cases-logos__tile {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--cases-logos-tile-w);
  height: var(--cases-logos-tile-h);
  padding: 0.65rem 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(var(--color-primary-rgb), 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.96),
    0 10px 28px rgba(var(--color-primary-rgb), 0.06);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.cases-logos__marquee:hover .cases-logos__tile {
  border-color: rgba(var(--color-primary-rgb), 0.18);
}

.cases-logos__item:hover .cases-logos__tile {
  transform: translateY(-2px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 14px 32px rgba(var(--color-primary-rgb), 0.1);
}

.cases-logos__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  transition: opacity 220ms ease;
}

.cases-logos__item:hover .cases-logos__img {
  opacity: 1;
}

.cases-logos__rule {
  display: block;
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(var(--color-primary-rgb), 0.22) 50%,
    transparent 100%
  );
}

@keyframes cases-logos-marquee {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.cases-testimonials--legacy {
  display: none !important;
}

/* ── Testimonial columns (vertical marquee) ── */

.cases-testimonials {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cases-testimonials__desktop {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}

@media (min-width: 768px) {
  .cases-testimonials__desktop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
}

/* ── Mobile slider (single horizontal carousel) ── */

.cases-testimonials__slider {
  display: none;
}

.cases-testimonials__slider[hidden] {
  display: none !important;
}

.cases-testimonials__slider.is-active {
  display: block;
}

.cases-testimonials__slider-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: visible;
}

.cases-testimonials__slider-viewport {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  padding: 1.25rem 1rem;
  box-sizing: border-box;
}

.cases-testimonials__slider-track {
  display: flex;
  width: 100%;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.cases-testimonials__slide {
  flex: 0 0 100%;
  min-width: 0;
  box-sizing: border-box;
  padding-inline: 0.375rem;
}

.cases-testimonials__slider-btn {
  flex-shrink: 0;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid rgba(var(--color-primary-rgb), 0.22);
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--color-primary-dark);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 4px 14px rgba(var(--color-primary-rgb), 0.08);
  cursor: pointer;
  transition:
    background 200ms ease,
    border-color 200ms ease,
    color 200ms ease,
    opacity 200ms ease;
}

.cases-testimonials__slider-btn .material-symbols-outlined {
  font-size: 1.375rem;
  line-height: 1;
}

.cases-testimonials__slider-btn:hover,
.cases-testimonials__slider-btn:focus-visible {
  background: #fff;
  border-color: rgba(var(--color-primary-rgb), 0.38);
  color: var(--color-primary);
}

.cases-testimonials__slider-btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.cases-testimonials__slider-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.cases-testimonials__slider-dot {
  width: 0.5rem;
  height: 0.5rem;
  padding: 0;
  border: 0;
  border-radius: 9999px;
  background: rgba(var(--color-primary-rgb), 0.22);
  cursor: pointer;
  transition:
    transform 200ms ease,
    background 200ms ease,
    width 200ms ease;
}

.cases-testimonials__slider-dot.is-active {
  width: 1.375rem;
  background: var(--color-primary);
}

.cases-testimonials__slider-dot:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (max-width: 767px) {
  .cases.site-section {
    overflow: visible;
  }

  .cases-testimonials__desktop {
    display: none;
  }

  .cases-testimonials__slider {
    overflow: visible;
    width: calc(100% + clamp(1.25rem, 1rem + 1vw, 1.5rem));
    margin-right: calc(-1 * clamp(1.25rem, 1rem + 1vw, 1.5rem));
  }

  .cases-testimonials__slider-btn {
    display: none;
  }

  .cases-testimonials__slider-controls {
    gap: 0;
  }

  .cases-testimonials__slider-viewport {
    flex: none;
    width: 100%;
    padding-block: 1.25rem;
    padding-inline: 0.375rem 0;
  }

  .cases-testimonials__slider-track {
    gap: 0.75rem;
  }

  .cases-testimonials__slide {
    flex: 0 0 86%;
    padding-inline: 0;
  }
}

.cases-testimonials__column {
  --cases-marquee-duration: 44s;
  --cases-marquee-height: clamp(17rem, 15rem + 6vw, 22rem);
  position: relative;
  height: var(--cases-marquee-height);
  min-height: 0;
}

.cases-testimonials__viewport {
  position: relative;
  height: 100%;
  overflow: hidden;
  padding: clamp(1.25rem, 1rem + 0.8vw, 1.75rem) clamp(0.875rem, 0.65rem + 0.6vw, 1.25rem);
  box-sizing: border-box;
  -webkit-mask-image: linear-gradient(
    180deg,
    transparent 0%,
    #000 14%,
    #000 86%,
    transparent 100%
  );
  mask-image: linear-gradient(
    180deg,
    transparent 0%,
    #000 14%,
    #000 86%,
    transparent 100%
  );
}

.cases-testimonials__track {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-bottom: 1.25rem;
  will-change: transform;
  animation: cases-testimonial-scroll var(--cases-marquee-duration) linear infinite;
  backface-visibility: hidden;
}

.cases-testimonials__column--reverse .cases-testimonials__track {
  animation-direction: reverse;
}

.cases-testimonials__viewport:hover .cases-testimonials__track,
.cases-testimonials__viewport:focus-within .cases-testimonials__track {
  animation-play-state: paused;
}

@keyframes cases-testimonial-scroll {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(0, -50%, 0);
  }
}

/* ── Testimonial card ── */

.cases-testimonial {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.25rem, 1.1rem + 0.6vw, 1.75rem);
  border-radius: clamp(1.35rem, 1.15rem + 0.6vw, 1.75rem);
  transform: translateZ(0);
  transition:
    box-shadow 320ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 320ms ease;
}

.cases-testimonial.u-glass-bright {
  overflow: visible;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 0 0 1px rgba(var(--color-primary-rgb), 0.08),
    0 10px 32px rgba(var(--color-primary-rgb), 0.09),
    0 4px 16px rgba(28, 46, 53, 0.05);
}

.cases-testimonial.u-glass-bright > * {
  position: relative;
  z-index: 1;
}

.cases-testimonial.u-glass-bright:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    inset 0 0 0 1px rgba(var(--color-primary-rgb), 0.14),
    0 14px 40px rgba(var(--color-primary-rgb), 0.12),
    0 6px 20px rgba(28, 46, 53, 0.06);
}

.cases-testimonial__badge {
  align-self: flex-start;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: var(--fs-micro);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: rgba(var(--color-primary-rgb), 0.1);
  border: 1px solid rgba(var(--color-primary-rgb), 0.16);
}

.cases-testimonial__badge--reference {
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-color: rgba(255, 255, 255, 0.18);
}

.cases-testimonial__quote {
  margin: 0;
}

.cases-testimonial__quote p {
  margin: 0;
  color: #1c2e35;
  font-size: var(--fs-body);
  font-weight: 300;
  line-height: 1.65;
  text-wrap: pretty;
}

.cases-testimonial__meta {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-top: auto;
}

.cases-testimonial__avatar {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.95) 0%, transparent 55%),
    linear-gradient(145deg, rgba(var(--color-primary-rgb), 0.18) 0%, rgba(77, 184, 220, 0.12) 100%);
  border: 1px solid rgba(var(--color-primary-rgb), 0.22);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.cases-testimonial__initials {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-primary-dark);
}

.cases-testimonial__identity {
  min-width: 0;
}

.cases-testimonial__name {
  display: block;
  font-style: normal;
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #1c2e35;
  line-height: 1.35;
}

.cases-testimonial__role {
  margin: 0.125rem 0 0;
  font-size: var(--fs-micro);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #475569;
  line-height: 1.45;
}

.cases-testimonial__source {
  display: inline-flex;
  align-self: flex-start;
  margin-top: 0.125rem;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
  opacity: 0.82;
  transition: opacity 200ms ease, color 200ms ease;
}

.cases-testimonial__source:hover,
.cases-testimonial__source:focus-visible {
  opacity: 1;
  color: var(--color-primary-dark);
}

@media (prefers-reduced-motion: reduce) {
  .cases-logos__track {
    animation: none;
    transform: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    gap: 1rem;
  }

  .cases-logos__group[aria-hidden="true"] {
    display: none;
  }

  .cases-logos__viewport {
    -webkit-mask-image: none;
    mask-image: none;
    overflow: visible;
  }

  .cases-logos__rule {
    display: none;
  }

  .cases-testimonials__track {
    animation: none;
    transform: none;
  }

  .cases-testimonials__slider-track {
    transition: none;
  }

  .cases-testimonials__viewport {
    height: auto;
    overflow: visible;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .cases-testimonials__column {
    height: auto;
  }

  .cases-testimonial[aria-hidden="true"] {
    display: none;
  }
}