/**
 * Micro-Interactions & Polish
 * Stripe/Apple/Vercel level interaction design
 * Subtle, purposeful, delightful
 */

/* ==============================================
   MOBILE: Disable all micro-interactions
   ============================================== */

@media (max-width: 768px) {
  /* Disable micro-interactions on mobile for performance */
  * {
    transition: none !important;
    animation: none !important;
  }

  /* Keep only essential transitions for usability */
  a,
  button {
    transition: opacity 0.1s ease !important;
  }
}

/* ===== DESKTOP-ONLY MICRO-INTERACTIONS ===== */
@media (min-width: 769px) {
  /* ===== SMOOTH STATE TRANSITIONS ===== */

  /* Universal smooth transitions for interactive elements */
  a,
  button,
  input,
  select,
  textarea,
  [role='button'],
  [role='link'],
  .btn,
  .card,
  .interactive {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }

  /* Faster transitions for hover states (feels more responsive) */
  a:hover,
  button:hover,
  .btn:hover,
  .card:hover {
    transition-duration: 0.15s;
  }

  /* Slower transitions for focus (more deliberate) */
  a:focus,
  button:focus,
  input:focus,
  select:focus,
  textarea:focus {
    transition-duration: 0.3s;
  }

  /* ===== ENHANCED HOVER STATES ===== */

  /* Subtle lift on cards (Apple pattern) */
  .card,
  .glass-card,
  .bento-item,
  .service-card,
  .portfolio-item {
    transition:
      transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
      box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .card:hover,
  .glass-card:hover,
  .bento-item:hover,
  .service-card:hover,
  .portfolio-item:hover {
    transform: translateY(-2px);
    box-shadow:
      0 12px 24px -8px rgb(0 0 0 / 15%),
      0 0 0 1px rgb(0 0 0 / 2%);
  }

  /* Button hover states (Stripe pattern) */
  .btn,
  button:not([disabled]),
  [role='button']:not([aria-disabled='true']) {
    position: relative;
    overflow: hidden;
  }

  .btn:hover,
  button:not([disabled]):hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px -2px rgb(0 0 0 / 20%);
  }

  .btn:active,
  button:not([disabled]):active {
    transform: translateY(0);
    box-shadow: 0 2px 8px -2px rgb(0 0 0 / 15%);
  }

  /* Link hover underline animation (Medium pattern) */
  a:not(.btn, [class*='button']) {
    position: relative;
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0 1px;
    transition: background-size 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  a:not(.btn, [class*='button']):hover {
    background-size: 100% 1px;
  }

  /* ===== PREMIUM FOCUS INDICATORS ===== */

  /* Modern focus ring (GitHub/Vercel pattern) */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible,
  [tabindex]:focus-visible {
    outline: 2px solid var(--color-primary, #10b981);
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* Subtle inner glow on form inputs (Stripe pattern) */
  input:focus,
  select:focus,
  textarea:focus {
    box-shadow:
      0 0 0 3px rgb(16 185 129 / 10%),
      0 1px 2px 0 rgb(0 0 0 / 5%);
    border-color: var(--color-primary, #10b981);
  }

  /* Button focus with ring (Apple pattern) */
  .btn:focus-visible,
  button:focus-visible {
    box-shadow:
      0 0 0 4px rgb(16 185 129 / 15%),
      0 4px 12px -2px rgb(0 0 0 / 20%);
  }

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

  /* Skeleton screen shimmer (LinkedIn/Facebook pattern) */
  .skeleton {
    background: linear-gradient(90deg, #f0f0f0 0%, #f8f8f8 20%, #f0f0f0 40%, #f0f0f0 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 4px;
  }

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

    100% {
      background-position: 200% 0;
    }
  }

  /* Loading spinner (Material Design pattern) */
  .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgb(0 0 0 / 10%);
    border-top-color: var(--color-primary, #10b981);
    border-radius: 50%;
    animation: spinner-rotate 0.6s linear infinite;
  }

  @keyframes spinner-rotate {
    to {
      transform: rotate(360deg);
    }
  }

  /* Button loading state (Vercel pattern) */
  .btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
  }

  .btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgb(255 255 255 / 30%);
    border-top-color: white;
    border-radius: 50%;
    animation: spinner-rotate 0.6s linear infinite;
  }

  /* ===== RIPPLE EFFECT (Material Design) ===== */

  .ripple {
    position: relative;
    overflow: hidden;
  }

  .ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgb(255 255 255 / 50%);
    transform: translate(-50%, -50%);
    transition:
      width 0.6s,
      height 0.6s,
      opacity 0.6s;
    opacity: 0%;
  }

  .ripple:active::after {
    width: 300px;
    height: 300px;
    opacity: 100%;
    transition: 0s;
  }

  /* ===== STATE INDICATORS ===== */

  /* Success pulse (Stripe pattern) */
  @keyframes success-pulse {
    0%,
    100% {
      box-shadow: 0 0 0 0 rgb(16 185 129 / 40%);
    }

    50% {
      box-shadow: 0 0 0 8px rgb(16 185 129 / 0%);
    }
  }

  .success-indicator {
    animation: success-pulse 1.5s ease-out;
  }

  /* Error shake (Apple pattern) */
  @keyframes error-shake {
    0%,
    100% {
      transform: translateX(0);
    }

    25% {
      transform: translateX(-8px);
    }

    75% {
      transform: translateX(8px);
    }
  }

  .error-shake {
    animation: error-shake 0.4s ease-in-out;
  }

  /* ===== SCROLL-TRIGGERED ANIMATIONS (refined) ===== */

  /* Fade up on scroll (Apple pattern) */
  [data-animate='fade-up'] {
    opacity: 0%;
    transform: translateY(20px);
    transition:
      opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
      transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  }

  [data-animate='fade-up'].visible {
    opacity: 100%;
    transform: translateY(0);
  }

  /* Scale in (Vercel pattern) */
  [data-animate='scale'] {
    opacity: 0%;
    transform: scale(0.95);
    transition:
      opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
      transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  [data-animate='scale'].visible {
    opacity: 100%;
    transform: scale(1);
  }

  /* ===== ACCESSIBILITY: REDUCE MOTION ===== */

  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }

    [data-animate] {
      opacity: 100% !important;
      transform: none !important;
    }

    .skeleton {
      animation: none;
    }
  }

  /* ===== MOBILE OPTIMIZATIONS ===== */

  @media (max-width: 768px) {
    /* Faster transitions on mobile for better perceived performance */
    a,
    button,
    .btn {
      transition-duration: 0.15s;
    }

    /* Reduce hover effects on touch devices */
    .card:hover,
    .glass-card:hover {
      transform: none;
    }

    /* Larger touch targets */
    a,
    button,
    [role='button'] {
      min-height: 44px;
      min-width: 44px;
    }

    /* No ripple on mobile (uses native touch feedback) */
    .ripple::after {
      display: none;
    }
  }

  /* Close desktop media query */
}

/* ===== HIGH CONTRAST MODE ===== */

@media (prefers-contrast: more) {
  a:focus-visible,
  button:focus-visible,
  input:focus-visible {
    outline-width: 3px;
    outline-offset: 3px;
  }

  .skeleton {
    background: #e0e0e0;
    animation: none;
  }
}