/* ============================================
   VISUAL RELIEF - CONSOLIDATED
   OnlineTranslation.ae
   
   Merged from:
   - visual-relief-1.css
   - visual-relief-2.css
   - visual-relief-3.css
   
   Visual polish, animations, micro-interactions
   ============================================ */

@layer components {

  /* ============================================
     CARD ENHANCEMENTS
     ============================================ */

  .card {
    background: var(--surface-base);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: 
      transform var(--transition-slow),
      box-shadow var(--transition-slow),
      background var(--transition-base);
  }

  .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }

  .card--flat {
    box-shadow: none;
    border: 1px solid var(--border-light);
  }

  .card--flat:hover {
    border-color: var(--border-medium);
  }

  /* Card icon styling */
  .card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(0, 119, 182, 0.1);
    color: var(--link-color);
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    transition: 
      background var(--transition-base),
      transform var(--transition-base);
  }

  .card:hover .card-icon {
    background: rgba(0, 119, 182, 0.15);
    transform: scale(1.05);
  }

  /* Card link arrows */
  .card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    color: var(--link-color);
    font-weight: 600;
    font-size: var(--fs-sm);
  }

  .card-link::after {
    content: '→';
    transition: transform var(--transition-fast);
  }

  .card:hover .card-link::after {
    transform: translateX(4px);
  }


  /* ============================================
     BUTTON POLISH
     ============================================ */

  .btn,
  [class*="btn-"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    padding: 0.75em 1.5em;
    font-weight: 600;
    font-size: var(--fs-sm);
    border-radius: var(--radius-md);
    transition: 
      background var(--transition-base),
      transform var(--transition-fast),
      box-shadow var(--transition-base);
    cursor: pointer;
  }

  .btn:active,
  [class*="btn-"]:active {
    transform: translateY(1px);
  }

  /* Primary button (coral) */
  .btn-coral {
    background: var(--accent-coral);
    color: var(--text-on-dark);
    border: none;
    box-shadow: 0 4px 14px rgba(255, 22, 84, 0.3);
  }

  .btn-coral:hover {
    background: var(--accent-coral-hover);
    box-shadow: 0 6px 20px rgba(255, 22, 84, 0.4);
  }

  /* Outline button */
  .btn-outline {
    background: transparent;
    color: var(--text-heading);
    border: 2px solid var(--border-medium);
  }

  .btn-outline:hover {
    background: var(--text-heading);
    color: var(--surface-base);
    border-color: var(--text-heading);
  }

  /* Ghost button */
  .btn-ghost {
    background: transparent;
    color: var(--link-color);
    border: none;
  }

  .btn-ghost:hover {
    background: rgba(0, 119, 182, 0.1);
  }

  /* Button with icon */
  .btn i,
  .btn svg {
    font-size: 1.1em;
  }


  /* ============================================
     HERO CTA ANIMATIONS
     ============================================ */

  .hero-cta {
    position: relative;
    overflow: hidden;
    background: var(--accent-coral);
    color: var(--text-on-dark);
    padding: 1em 2em;
    font-size: var(--fs-md);
    font-weight: 700;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(255, 22, 84, 0.4);
    transition: 
      transform var(--transition-base),
      box-shadow var(--transition-base);
  }

  .hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.2),
      transparent
    );
    transition: left 0.5s ease;
  }

  .hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 22, 84, 0.5);
  }

  .hero-cta:hover::before {
    left: 100%;
  }


  /* ============================================
     LINK UNDERLINE ANIMATIONS
     ============================================ */

  .link-animated {
    position: relative;
    color: var(--link-color);
  }

  .link-animated::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--link-color);
    transition: width var(--transition-base);
  }

  .link-animated:hover::after {
    width: 100%;
  }


  /* ============================================
     ICON BOX COMPONENTS
     ============================================ */

  .icon-box {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: var(--surface-base);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: 
      transform var(--transition-base),
      box-shadow var(--transition-base),
      border-color var(--transition-base);
  }

  .icon-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
  }

  .icon-box__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255, 22, 84, 0.1);
    color: var(--accent-coral);
    font-size: 1.25rem;
  }

  .icon-box__content h4 {
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--text-heading);
    margin: 0 0 0.25em;
  }

  .icon-box__content p {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
  }


  /* ============================================
     TIMELINE COMPONENT
     ============================================ */

  .timeline {
    position: relative;
    padding-left: 30px;
    border-left: 2px solid var(--accent-coral);
    margin-left: 10px;
  }

  .timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
  }

  .timeline-item:last-child {
    margin-bottom: 0;
  }

  .timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--surface-base);
    border: 3px solid var(--accent-coral);
    border-radius: 50%;
    transition: 
      background var(--transition-fast),
      transform var(--transition-fast);
  }

  .timeline-item:hover::before {
    background: var(--accent-coral);
    transform: scale(1.2);
  }

  .timeline-title {
    font-weight: 600;
    font-size: var(--fs-md);
    color: var(--text-heading);
    margin-bottom: 0.25em;
  }

  .timeline-item p {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin: 0;
  }


  /* ============================================
     ALERT BOXES
     ============================================ */

  .alert-box {
    padding: var(--space-md);
    border-left: 4px solid var(--accent-coral);
    background: rgba(255, 22, 84, 0.05);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: var(--space-md) 0;
  }

  .alert-box strong {
    display: block;
    color: var(--accent-coral);
    font-weight: 600;
    margin-bottom: 0.25em;
  }

  .alert-box p {
    color: var(--text-body);
    margin: 0;
    line-height: 1.6;
  }

  .alert-box--info {
    border-left-color: var(--state-info);
    background: rgba(3, 105, 161, 0.05);
  }

  .alert-box--info strong {
    color: var(--state-info);
  }

  .alert-box--warning {
    border-left-color: var(--state-warning);
    background: rgba(180, 83, 9, 0.05);
  }

  .alert-box--warning strong {
    color: var(--state-warning);
  }

  .alert-box--success {
    border-left-color: var(--state-success);
    background: rgba(4, 120, 87, 0.05);
  }

  .alert-box--success strong {
    color: var(--state-success);
  }


  /* ============================================
     METRICS STRIP
     ============================================ */

  .ot-metrics {
    background: linear-gradient(135deg, var(--accent-coral) 0%, var(--accent-coral-hover) 100%);
    color: var(--text-on-dark);
    padding: var(--space-lg) 0;
  }

  .ot-metrics-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }

  .ot-metric {
    text-align: center;
  }

  .ot-metric-value {
    font-family: 'Montserrat', sans-serif;
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--surface-navy);
    line-height: 1;
  }

  .ot-metric-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5em;
    opacity: 0.95;
  }

  @media (max-width: 992px) {
    .ot-metrics-inner {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 600px) {
    .ot-metrics {
      padding: var(--space-md) 0;
    }
    .ot-metrics-inner {
      gap: var(--space-sm);
    }
    .ot-metric-value {
      font-size: var(--fs-lg);
    }
  }


  /* ============================================
     LOADING STATES
     ============================================ */

  .skeleton {
    background: linear-gradient(
      90deg,
      var(--surface-muted) 25%,
      var(--surface-raised) 50%,
      var(--surface-muted) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
  }

  @keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }

  .skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
  }

  .skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 0.75em;
  }

  .skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
  }


  /* ============================================
     SCROLL ANIMATIONS (Intersection Observer)
     ============================================ */

  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: 
      opacity 0.6s ease,
      transform 0.6s ease;
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: 
      opacity 0.6s ease,
      transform 0.6s ease;
  }

  .fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: 
      opacity 0.6s ease,
      transform 0.6s ease;
  }

  .fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
  }

  .scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: 
      opacity 0.5s ease,
      transform 0.5s ease;
  }

  .scale-in.visible {
    opacity: 1;
    transform: scale(1);
  }


  /* ============================================
     HOVER EFFECTS - IMAGES
     ============================================ */

  .img-zoom {
    overflow: hidden;
    border-radius: var(--radius-md);
  }

  .img-zoom img {
    transition: transform 0.5s ease;
  }

  .img-zoom:hover img {
    transform: scale(1.05);
  }

  .img-overlay {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
  }

  .img-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
      to top,
      rgba(14, 43, 72, 0.7) 0%,
      transparent 50%
    );
    opacity: 0;
    transition: opacity var(--transition-base);
  }

  .img-overlay:hover::after {
    opacity: 1;
  }


  /* ============================================
     FOCUS RING CUSTOMIZATION
     ============================================ */

  .focus-ring:focus {
    outline: none;
    box-shadow: 
      0 0 0 2px var(--surface-base),
      0 0 0 4px var(--link-color);
  }

  .focus-ring-inset:focus {
    outline: none;
    box-shadow: inset 0 0 0 2px var(--link-color);
  }

}


/* ============================================
   DARK MODE VISUAL ADJUSTMENTS
   ============================================ */

@layer states {

  body.theme-dark .card {
    background: var(--surface-muted);
    border-color: var(--border-medium);
  }

  body.theme-dark .card:hover {
    background: var(--surface-navy);
  }

  body.theme-dark .card-icon {
    background: rgba(127, 209, 255, 0.15);
    color: var(--link-color);
  }

  body.theme-dark .icon-box {
    background: var(--surface-muted);
    border-color: var(--border-medium);
  }

  body.theme-dark .icon-box:hover {
    background: var(--surface-navy);
  }

  body.theme-dark .timeline {
    border-left-color: var(--accent-coral);
  }

  body.theme-dark .timeline-item::before {
    background: var(--surface-base);
    border-color: var(--accent-coral);
  }

  body.theme-dark .alert-box {
    background: rgba(255, 107, 107, 0.1);
  }

  body.theme-dark .alert-box--info {
    background: rgba(127, 209, 255, 0.1);
  }

  body.theme-dark .alert-box--warning {
    background: rgba(250, 204, 21, 0.1);
  }

  body.theme-dark .alert-box--success {
    background: rgba(74, 222, 128, 0.1);
  }

  body.theme-dark .ot-metrics {
    background: linear-gradient(135deg, #8b1a1f 0%, #6b1419 100%);
  }

  body.theme-dark .ot-metric-value {
    color: var(--text-on-dark);
  }

  body.theme-dark .skeleton {
    background: linear-gradient(
      90deg,
      var(--surface-navy) 25%,
      var(--surface-muted) 50%,
      var(--surface-navy) 75%
    );
    background-size: 200% 100%;
  }

  body.theme-dark .btn-outline {
    border-color: var(--text-heading);
    color: var(--text-heading);
  }

  body.theme-dark .btn-outline:hover {
    background: var(--text-heading);
    color: var(--surface-base);
  }

}