/* ATM Rolling logos – pás partner log, plynulá rotace */
/* Breakpointy: mobile <768, tablet 768–1199, desktop 1200+ */
/* Viditelné: mobil 2, tablet 3, desktop 4 – na šířku page-width */

.atm-rolling-logos {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.atm-rolling-logos_wrapper.page-width {
  container-type: inline-size;
  container-name: roll;
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.atm-rolling-logos_title {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--air-blue-v2);
}

.atm-rolling-logos_description {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--air-blue-v3);
}

.atm-rolling-logos_description p {
  margin: 0 0 0.5rem 0;
}

.atm-rolling-logos_description p:last-child {
  margin-bottom: 0;
}

/* Viewport – viditelná oblast, gradient fade okraje */
.atm-rolling-logos_viewport {
  --roll-fade: 1rem;
  --roll-gap: 1rem;
  --roll-visible: 2;
  display: flex;
  overflow: hidden;
  user-select: none;
  height: 100px;
  align-items: center;
  mask-image: linear-gradient(
    to right,
    transparent 0,
    black var(--roll-fade),
    black calc(100% - var(--roll-fade)),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    black var(--roll-fade),
    black calc(100% - var(--roll-fade)),
    transparent 100%
  );
}

/* Tablet: 3 viditelné */
@media (min-width: 768px) {
  .atm-rolling-logos_description {
    font-size: 1.1rem;
  }

  .atm-rolling-logos_viewport {
    --roll-fade: 2rem;
    --roll-gap: 1rem;
    --roll-visible: 3;
  }
}

/* Desktop: 4 viditelné */
@media (min-width: 1200px) {
  .atm-rolling-logos_viewport {
    --roll-fade: 3rem;
    --roll-gap: 1rem;
    --roll-visible: 4;
  }
}

/* Slot = šířka jednoho loga (container query = šířka wrapperu/page-width) */
.atm-rolling-logos_viewport {
  --slot-width: calc((100cqw - (var(--roll-visible) - 1) * var(--roll-gap)) / var(--roll-visible));
}

/* Fallback pro prohlížeče bez container queries – vw s capem */
@supports not (width: 1cqw) {
  .atm-rolling-logos_viewport {
    --slot-width: calc((min(100vw, var(--page-width)) - 2rem - (var(--roll-visible) - 1) * var(--roll-gap)) / var(--roll-visible));
  }
}

/* Track – obaluje obě skupiny log, šířka = součet obou (identických) bloků */
.atm-rolling-logos_track {
  display: flex;
  flex-shrink: 0;
  animation: atm-roll-right 40s linear infinite;
}

.atm-rolling-logos--left .atm-rolling-logos_track {
  animation-name: atm-roll-left;
}

.atm-rolling-logos:hover .atm-rolling-logos_track {
  animation-play-state: paused;
}

/* Jedna skupina = přesně 50% šířky tracku, takže -50% = plynulý přechod na druhou */
@keyframes atm-roll-right {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes atm-roll-left {
  from {
    transform: translateX(-50%);
  }
  to {
    transform: translateX(0);
  }
}

/* Content – jedna skupina log */
.atm-rolling-logos_content {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--roll-gap);
}

/* Logo box – šířka dle slotu, výška 100px */
.atm-rolling-logos_logo {
  flex: 0 0 var(--slot-width);
  width: var(--slot-width);
  min-width: var(--slot-width);
  min-height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
}

a.atm-rolling-logos_logo.link-nostyle:hover {
  background-color: rgba(0, 0, 0, 0.05);
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}

.atm-rolling-logos_logo-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.atm-rolling-logos_logo-inner img {
  max-width: 100%;
  max-height: 100%;
}

@media (min-width: 768px) {
  .atm-rolling-logos_logo img {
    width: 150px;
  }
}

@media (min-width: 1200px) {
  .atm-rolling-logos_logo img {
    width: 175px;
  }
}

/* Touch: swipe pro scroll */
.atm-rolling-logos_viewport--swipe {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.atm-rolling-logos_viewport--swipe .atm-rolling-logos_track {
  animation: none;
}

/* Respekt reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .atm-rolling-logos_track {
    animation: none;
  }
}