/* ============================================
   ZHICAI Solutions Page Styles — solutions.css
   ============================================ */

/* --- Solutions Layout --- */
.solutions-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-12);
  align-items: start;
}

/* --- Sidebar navigation --- */
.solutions-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
  padding-right: var(--space-4);
  z-index: 10;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  border-left: 2px solid var(--color-border);
  padding-left: 0;
}

.sidebar-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-light);
  border-left: 3px solid transparent;
  margin-left: -2px;
  transition: all var(--transition-base);
  cursor: pointer;
}

.sidebar-link:hover,
.sidebar-link.active {
  color: var(--color-kraft);
  border-left-color: var(--color-kraft);
  font-weight: 700;
}

/* --- Solutions slider viewport --- */
.solutions-content {
  overflow: hidden;
  height: 600px;
  position: relative;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.solutions-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.solution-section {
  height: 600px;
  flex-shrink: 0;
  box-sizing: border-box;
  margin: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-white);
  padding: var(--space-10) !important;
}

.sol-icon {
  font-size: var(--text-4xl);
}

.sol-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  color: var(--color-kraft-dark);
  font-weight: 700;
  font-size: var(--text-lg);
}

.solution-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

/* --- Mobile Slider (Accordion is replaced for smooth sliding) --- */
@media (max-width: 768px) {
  .solutions-layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .solutions-sidebar {
    position: static;
    padding-right: 0;
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none; /* Hide scrollbar for Firefox */
  }
  
  .solutions-sidebar::-webkit-scrollbar {
    display: none; /* Hide scrollbar for Chrome/Safari */
  }

  .sidebar-links {
    flex-direction: row;
    border-left: none;
    border-bottom: 2px solid var(--color-border);
    gap: var(--space-6);
    padding-bottom: var(--space-2);
  }

  .sidebar-link {
    border-left: none;
    border-bottom: 3px solid transparent;
    margin-left: 0;
    padding: var(--space-2) 0;
    font-size: var(--text-base);
    white-space: nowrap;
  }

  .sidebar-link:hover,
  .sidebar-link.active {
    border-left-color: transparent;
    border-bottom-color: var(--color-kraft);
  }

  /* Right content switches to a horizontal swipe container */
  .solutions-content {
    height: auto;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    display: flex;
    flex-direction: row;
    scrollbar-width: none;
    border-radius: var(--radius-lg);
  }
  
  .solutions-content::-webkit-scrollbar {
    display: none;
  }

  .solutions-wrapper {
    flex-direction: row;
    height: auto;
    width: 100%;
    transform: none !important; /* Disable JS Y-translate on mobile */
  }

  .solution-section {
    width: 100%;
    height: auto;
    flex: 0 0 100%;
    scroll-snap-align: start;
    padding: var(--space-6) !important;
  }

  .solution-body {
    margin-top: var(--space-4) !important;
  }

  .sol-img-placeholder {
    margin-top: var(--space-6);
  }

  .solution-image {
    margin-top: var(--space-6);
  }
}