/* =====================================================
   UX ENHANCEMENTS - MCP Skills Based
   Based on: UI/UX Design, WCAG 2.2, Web Design Guidelines
   NOTE: No color changes - only UX/interaction improvements
   ===================================================== */

/* ===== ACCESSIBILITY - SKIP LINK ===== */
.skip-link {
  position: fixed;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 99999;
  padding: 1rem 2rem;
  background: var(--gray-900);
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: top 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* ===== FOCUS STATES - WCAG 2.2 Compliant ===== */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
  transition: outline-offset 0.15s ease;
}

/* Better focus for buttons */
button:focus-visible,
.cta-button:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.card-button:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
  box-shadow: 0 0 0 6px rgba(99, 102, 241, 0.15);
}

/* Focus for links */
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Focus for form inputs */
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 0;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* ===== NAVIGATION UX ENHANCEMENTS ===== */
.navbar {
  transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.navbar.hidden {
  transform: translateY(-100%);
}

/* Nav Links - Better Feedback */
.nav-link {
  position: relative;
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1), left 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  border-radius: 1px;
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 100%;
  left: 0;
}

.nav-link:hover {
  transform: translateY(-1px);
}

.nav-link:active {
  transform: translateY(0) scale(0.98);
}

/* Dropdown - Improved Animation */
.dropdown-menu {
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.25s;
  transform-origin: top center;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown-link {
  transition: background 0.2s ease, padding-left 0.2s ease;
}

.dropdown-link:hover {
  padding-left: 1.5rem;
}

.dropdown-link:focus-visible {
  background: var(--primary-50);
}

/* ===== BUTTON UX ENHANCEMENTS ===== */
/* Base button improvements */
button,
.cta-button,
.primary-button,
.secondary-button,
.card-button {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.22, 1, 0.36, 1), 
              box-shadow 0.2s ease,
              background 0.2s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Ripple effect base */
button::after,
.primary-button::after,
.secondary-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
  opacity: 0;
  pointer-events: none;
}

button:active::after,
.primary-button:active::after,
.secondary-button:active::after {
  width: 300px;
  height: 300px;
  opacity: 1;
  transition: 0s;
}

/* Hover states */
.primary-button:hover,
.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
}

.primary-button:active,
.cta-button:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.secondary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.secondary-button:active {
  transform: translateY(0) scale(0.98);
}

/* Card buttons */
.card-button {
  overflow: hidden;
}

.card-button i {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.card-button:hover i {
  transform: translateX(5px);
}

/* Loading state for buttons */
.btn-loading {
  pointer-events: none;
  position: relative;
}

.btn-loading::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btn-spin 0.8s linear infinite;
}

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

/* ===== CARD UX ENHANCEMENTS ===== */
.solution-card,
.problem-item,
.benefit-item {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), 
              box-shadow 0.3s ease;
}

.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.problem-item:hover,
.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Card icon animations */
.card-icon,
.problem-icon,
.benefit-icon {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), 
              box-shadow 0.3s ease;
}

.solution-card:hover .card-icon,
.problem-item:hover .problem-icon,
.benefit-item:hover .benefit-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.2);
}

/* Feature list items - stagger animation on hover */
.feature-list li {
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.solution-card:hover .feature-list li {
  transform: translateX(4px);
}

.solution-card:hover .feature-list li:nth-child(1) { transition-delay: 0s; }
.solution-card:hover .feature-list li:nth-child(2) { transition-delay: 0.05s; }
.solution-card:hover .feature-list li:nth-child(3) { transition-delay: 0.1s; }
.solution-card:hover .feature-list li:nth-child(4) { transition-delay: 0.15s; }

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), 
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger reveal for grids */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.3s; }

.reveal-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== SMOOTH SCROLL PROGRESS INDICATOR ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-primary);
  z-index: 10000;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

/* ===== MOBILE UX ENHANCEMENTS ===== */
@media (max-width: 768px) {
  /* Larger touch targets (minimum 44x44px) */
  button,
  .cta-button,
  .primary-button,
  .secondary-button,
  .nav-link,
  .dropdown-link,
  .card-button {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Better spacing for touch */
  .nav-menu a {
    padding: 0.875rem 1rem;
  }
  
  .dropdown-link {
    padding: 0.875rem 1.25rem;
  }
  
  /* Mobile menu improvements */
  .nav-menu {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.25s ease,
                visibility 0.25s;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  /* Disable hover effects on touch devices */
  @media (hover: none) {
    .solution-card:hover,
    .problem-item:hover,
    .benefit-item:hover {
      transform: none;
    }
    
    .nav-link:hover::before {
      width: 0;
    }
  }
  
  /* Better active states for touch */
  .primary-button:active,
  .secondary-button:active,
  .card-button:active {
    transform: scale(0.96);
    opacity: 0.9;
  }
}

/* ===== IMPROVED FORM UX ===== */
input,
textarea,
select {
  transition: border-color 0.2s ease, 
              box-shadow 0.2s ease,
              background 0.2s ease;
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--gray-400);
}

/* Error state */
input.error,
textarea.error,
select.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Success state */
input.success,
textarea.success,
select.success {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Form validation messages */
.form-message {
  font-size: var(--font-size-sm);
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.form-message.visible {
  opacity: 1;
  transform: translateY(0);
}

.form-message.error {
  color: #ef4444;
}

.form-message.success {
  color: var(--green-500);
}

/* ===== TOOLTIP IMPROVEMENTS ===== */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-5px);
  padding: 0.5rem 0.75rem;
  background: var(--gray-800);
  color: var(--white);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  border-radius: var(--radius-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: var(--z-tooltip);
  pointer-events: none;
}

[data-tooltip]:hover::before,
[data-tooltip]:focus-visible::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-10px);
}

/* ===== LOADING SKELETON ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--gray-100) 25%,
    var(--gray-200) 50%,
    var(--gray-100) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

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

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-card {
  height: 200px;
}

/* ===== SMOOTH PAGE TRANSITIONS ===== */
.page-transition-enter {
  opacity: 0;
  transform: translateY(10px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.page-transition-exit {
  opacity: 1;
}

.page-transition-exit-active {
  opacity: 0;
  transition: opacity 0.2s ease;
}

/* ===== SCROLL BEHAVIOR IMPROVEMENTS ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px; /* Account for fixed navbar */
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* ===== HERO SECTION UX ===== */
.hero-section {
  min-height: 100vh;
  min-height: 100dvh; /* Dynamic viewport height for mobile */
}

.scroll-indicator {
  animation: bounce-subtle 2s ease-in-out infinite;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

@keyframes bounce-subtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.scroll-indicator:hover {
  opacity: 0.7;
}

/* ===== DASHBOARD MOCKUP UX ===== */
.dashboard-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
}

.dashboard-card:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.progress-fill {
  transition: width 1s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Animate progress on view */
.dashboard-mockup.in-view .progress-fill {
  animation: progress-grow 1.5s ease-out forwards;
}

@keyframes progress-grow {
  from { width: 0; }
}

/* ===== FOOTER UX ===== */
.footer a {
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.footer a:hover {
  transform: translateX(3px);
}

.footer-column h3 {
  position: relative;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.footer-column:hover h3::after {
  width: 50px;
}

/* ===== IMPROVED VISUAL FEEDBACK ===== */
/* Active/selected states */
.active-indicator {
  position: relative;
}

.active-indicator::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
  transform: scaleY(0);
  transition: transform 0.2s ease;
}

.active-indicator.active::before {
  transform: scaleY(1);
}

/* Success/Error notifications */
.notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
  z-index: var(--z-toast);
}

.notification.show {
  transform: translateY(0);
  opacity: 1;
}

.notification.success {
  border-left: 4px solid var(--green-500);
}

.notification.error {
  border-left: 4px solid #ef4444;
}

/* ===== PARALLAX SECTION UX ===== */
.parallax-section-fullwidth {
  position: relative;
}

.parallax-content {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ===== BLOG SECTION UX ===== */
.blog-card {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), 
              box-shadow 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.blog-card img {
  transition: transform 0.4s ease;
}

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

/* ===== CTA SECTION UX ===== */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
  animation: cta-pulse 4s ease-in-out infinite;
}

@keyframes cta-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .scroll-indicator,
  .scroll-progress,
  .cta-section,
  .notification {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  
  a {
    text-decoration: underline;
  }
}