/* ================= BACK BUTTON ================= */

.back-button {
  background: transparent;
  color: var(--color-text-tertiary);
  border: var(--border);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  border-radius: var(--border-radius);
  cursor: pointer;
  margin-bottom: var(--spacing-xxl);
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
  font-family: var(--font-family-base);
  letter-spacing: 0.03em;
}

.back-button:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateX(-3px);
}

.site-logo img {
  width: 100%;
  max-width: 400px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.subtitle {
  text-align: left;
  width: 100%;
  max-width: 1000px;
  padding: 0 var(--spacing-md);
  box-sizing: border-box;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* ================= MARQUEE ================= */

.marquee-container {
  width: 100%;
  overflow: hidden;
  padding: var(--spacing-sm) 0;
  border-top: var(--border);
  border-bottom: var(--border);
  margin-top: var(--spacing-md);
  background: var(--color-bg-secondary);
}

.marquee-text {
  display: inline-block;
  white-space: nowrap;
  font-size: var(--font-size-xs);
  color: var(--color-text-quaternary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: marquee-scroll 20s linear infinite;
  padding-left: 100%;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-200%);
  }
}

.marquee-container:hover .marquee-text {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .marquee-text {
    animation: none;
    padding-left: var(--spacing-md);
  }
}