/* ==========================================================================
   QASTCO Trust Bar — Scrolling Client Logo Marquee
   ========================================================================== */

.trust-bar {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
}

.trust-bar__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: var(--space-6);
}

/* --- Marquee Container --- */

.trust-bar__marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.trust-bar__track {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  width: max-content;
  animation: marquee-scroll 45s linear infinite;
}

.trust-bar__marquee:hover .trust-bar__track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Logo Items --- */

.trust-bar__logo {
  height: 36px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  flex-shrink: 0;
  filter: grayscale(100%);
  opacity: 0.5;
  transition: opacity var(--duration-normal) var(--ease-default),
              filter var(--duration-normal) var(--ease-default);
}

.trust-bar__logo:hover {
  opacity: 1;
  filter: grayscale(0%);
}

.trust-bar__logo--invert {
  filter: grayscale(100%) invert(1);
  opacity: 0.4;
}

.trust-bar__logo--invert:hover {
  filter: invert(1);
  opacity: 0.7;
}

/* --- Arrow Controls --- */

.trust-bar__arrows {
  display: none;
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  pointer-events: none;
  padding: 0 var(--space-3);
  justify-content: space-between;
}

.trust-bar__arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  background: var(--color-white);
  color: var(--color-ink);
  font-size: 20px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: all;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--duration-fast) var(--ease-default),
              background var(--duration-fast) var(--ease-default);
}

.trust-bar__arrow:hover {
  border-color: var(--color-primary);
  background: var(--color-soft);
}

/* Show arrows when JS disables auto-scroll (prefers-reduced-motion) */
.trust-bar--arrows .trust-bar__arrows {
  display: flex;
}

.trust-bar--arrows .trust-bar__track {
  animation: none;
  transition: transform var(--duration-slow) var(--ease-default);
}

.trust-bar--arrows .trust-bar__marquee {
  overflow: hidden;
}

/* --- Reduced Motion: disable auto-scroll, show arrows --- */

@media (prefers-reduced-motion: reduce) {
  .trust-bar__track {
    animation: none;
  }
  .trust-bar__arrows {
    display: flex;
  }
}

/* --- Responsive --- */

@media (max-width: 767px) {
  .trust-bar__track {
    gap: var(--space-8);
    animation-duration: 30s;
  }
  .trust-bar__logo {
    height: 28px;
    max-width: 110px;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .trust-bar__track {
    gap: var(--space-10);
    animation-duration: 38s;
  }
  .trust-bar__logo {
    height: 32px;
    max-width: 120px;
  }
}