/**
 * Mono Marketing Motion & Interaction Design System
 * 
 * Performance-focused CSS transitions, GPU-accelerated reveals,
 * micro-interactions, custom slider styling, and accessibility overrides.
 */

:root {
  /* ==========================================================================
     1. Motion Timing & Easing Tokens
     ========================================================================== */
  --motion-instant: 120ms;
  --motion-fast: 180ms;
  --motion-medium: 350ms;
  --motion-reveal: 700ms;
  --motion-slow: 1000ms;

  --ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-out-quart: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --reveal-distance: 28px;
  --reveal-blur: 8px;
  --stagger-delay: 75ms;

  /* Card spotlight cursor coordinates */
  --mouse-x: 50%;
  --mouse-y: 50%;
}

/* ==========================================================================
   2. Base Motion States (Safe against JS disabling)
   ========================================================================== */
/* Content is fully visible by default. Hidden initial states are ONLY applied
   when JavaScript adds 'html.motion-ready' to avoid invisible content on JS failure. */

html.motion-ready [data-reveal] {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition: opacity var(--motion-reveal) var(--ease-premium),
              transform var(--motion-reveal) var(--ease-premium);
}

html.motion-ready [data-reveal="fade-left"] {
  transform: translateX(-35px);
}

html.motion-ready [data-reveal="fade-right"] {
  transform: translateX(35px);
}

html.motion-ready [data-reveal="scale"] {
  transform: scale(0.95);
}

html.motion-ready [data-reveal="clip"] {
  clip-path: inset(0 0 100% 0);
  transform: none;
  transition: clip-path 900ms var(--ease-premium), opacity 900ms var(--ease-premium);
}

/* Revealed Active State */
html.motion-ready [data-reveal].is-revealed {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

html.motion-ready [data-reveal="clip"].is-revealed {
  clip-path: inset(0 0 0 0);
}

/* Stagger Groups */
html.motion-ready [data-stagger-group] > [data-stagger-item] {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition: opacity var(--motion-reveal) var(--ease-premium),
              transform var(--motion-reveal) var(--ease-premium);
}

html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(1) { transition-delay: calc(var(--stagger-delay) * 1); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(2) { transition-delay: calc(var(--stagger-delay) * 2); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(3) { transition-delay: calc(var(--stagger-delay) * 3); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(4) { transition-delay: calc(var(--stagger-delay) * 4); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(5) { transition-delay: calc(var(--stagger-delay) * 5); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(6) { transition-delay: calc(var(--stagger-delay) * 6); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(7) { transition-delay: calc(var(--stagger-delay) * 7); }
html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item]:nth-child(8) { transition-delay: calc(var(--stagger-delay) * 8); }

html.motion-ready [data-stagger-group].is-revealed > [data-stagger-item] {
  opacity: 1;
  transform: translate(0, 0);
}

/* ==========================================================================
   3. Header Sticky & Nav Hover Transitions
   ========================================================================== */
.mono-site-header {
  transition: padding var(--motion-medium) var(--ease-standard),
              background var(--motion-medium) var(--ease-standard),
              border-color var(--motion-medium) var(--ease-standard),
              box-shadow var(--motion-medium) var(--ease-standard),
              backdrop-filter var(--motion-medium) var(--ease-standard);
}

.mono-site-header.is-scrolled {
  padding: 12px 0;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

/* Nav Item Micro-Interactions */
.mono-main-menu li a {
  position: relative;
  transition: color var(--motion-fast) var(--ease-standard),
              background var(--motion-fast) var(--ease-standard),
              transform var(--motion-fast) var(--ease-standard);
}

.mono-main-menu li.current-menu-item a,
.mono-main-menu li.current_page_item a {
  background: var(--mono-yellow-primary);
  color: #050505 !important;
  font-weight: 800;
  border-radius: var(--radius-full);
}

.mono-main-menu li a:hover {
  color: var(--mono-yellow-primary);
}

.mono-main-menu li a:active {
  transform: scale(0.96);
}

/* ==========================================================================
   4. Hero Section Motion & Line-by-Line Reveal
   ========================================================================== */
.mono-line-mask {
  display: block;
  overflow: hidden;
  line-height: 1.15;
}

html.motion-ready .mono-line-inner {
  display: block;
  transform: translateY(115%);
  opacity: 0;
  filter: blur(4px);
  transition: transform 800ms var(--ease-premium),
              opacity 800ms var(--ease-premium),
              filter 800ms var(--ease-premium);
  will-change: transform, opacity, filter;
}

html.motion-ready .hero-revealed .mono-line-inner {
  transform: translateY(0);
  opacity: 1;
  filter: blur(0);
}

html.motion-ready .hero-revealed .mono-line-inner.line-1 { transition-delay: 100ms; }
html.motion-ready .hero-revealed .mono-line-inner.line-2 { transition-delay: 180ms; }
html.motion-ready .hero-revealed .mono-line-inner.line-3 { transition-delay: 260ms; }
html.motion-ready .hero-revealed .mono-line-inner.line-4 { transition-delay: 340ms; }
html.motion-ready .hero-revealed .mono-line-inner.line-5 { transition-delay: 420ms; }

/* Floating Neural Card 3D Tilt & Light Halo */
.mono-neural-card {
  transition: transform 400ms var(--ease-out-quart),
              box-shadow 400ms var(--ease-out-quart),
              border-color 400ms var(--ease-out-quart);
  transform-style: preserve-3d;
}

.mono-neural-card:hover {
  border-color: rgba(255, 212, 0, 0.4);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 40px rgba(255, 212, 0, 0.15);
}

.mono-neural-icon-box {
  transition: transform var(--motion-medium) var(--ease-spring),
              box-shadow var(--motion-medium) var(--ease-standard);
}

.mono-neural-card:hover .mono-neural-icon-box {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 0 25px rgba(255, 212, 0, 0.6);
}

/* ==========================================================================
   5. Button Micro-Interactions & Unclipped Yellow Glow
   ========================================================================== */
.mono-btn {
  position: relative;
  overflow: visible;
  transition: transform var(--motion-fast) var(--ease-premium),
              box-shadow var(--motion-fast) var(--ease-premium),
              background var(--motion-fast) var(--ease-premium),
              border-color var(--motion-fast) var(--ease-premium),
              color var(--motion-fast) var(--ease-premium);
}

.mono-btn svg {
  transition: transform var(--motion-fast) var(--ease-premium);
}

.mono-btn-primary {
  box-shadow: 0 4px 20px rgba(255, 212, 0, 0.25);
}

.mono-btn-primary:hover {
  transform: translateY(-2px);
  background: var(--mono-yellow-hover);
  box-shadow: 0 6px 28px rgba(255, 212, 0, 0.45), 0 0 20px rgba(255, 212, 0, 0.3);
}

.mono-btn-primary:hover svg {
  transform: translateX(4px);
}

.mono-btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(255, 212, 0, 0.2);
}

.mono-btn-outline {
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.mono-btn-outline:hover {
  transform: translateY(-2px);
  border-color: var(--mono-yellow-primary);
  color: var(--mono-yellow-primary);
  background: rgba(255, 212, 0, 0.06);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.7), 0 0 18px rgba(255, 212, 0, 0.2);
}

.mono-btn-outline:hover svg {
  transform: translate(2px, -2px);
}

.mono-hero-actions,
.mono-header-actions {
  overflow: visible;
}

/* ==========================================================================
   6. Card Dynamic Cursor Spotlight & Elevation
   ========================================================================== */
.mono-service-card-compact,
.mono-service-card-detailed,
.mono-why-card,
.mono-portfolio-card {
  position: relative;
  transition: transform var(--motion-medium) var(--ease-out-quart),
              border-color var(--motion-medium) var(--ease-out-quart),
              box-shadow var(--motion-medium) var(--ease-out-quart),
              background var(--motion-medium) var(--ease-out-quart);
}

/* Mouse spotlight overlay */
.mono-service-card-compact::before,
.mono-why-card::before,
.mono-portfolio-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x) var(--mouse-y), rgba(255, 212, 0, 0.07), transparent 60%);
  opacity: 0;
  transition: opacity var(--motion-medium) var(--ease-standard);
  pointer-events: none;
  z-index: 1;
}

.mono-service-card-compact:hover::before,
.mono-why-card:hover::before,
.mono-portfolio-card:hover::before {
  opacity: 1;
}

.mono-service-card-compact:hover,
.mono-why-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 212, 0, 0.35);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 212, 0, 0.08);
}

.mono-service-card-compact:hover .mono-service-card-compact-link svg {
  transform: translate(3px, -3px);
}

.mono-service-card-compact-link svg {
  transition: transform var(--motion-fast) var(--ease-premium);
}

/* Yellow Special Quote Card */
.mono-why-card.yellow-special {
  box-shadow: 0 15px 40px rgba(255, 212, 0, 0.15);
  transition: transform var(--motion-medium) var(--ease-out-quart),
              box-shadow var(--motion-medium) var(--ease-out-quart);
}

.mono-why-card.yellow-special:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(255, 212, 0, 0.3);
}

/* ==========================================================================
   7. Portfolio Image Zoom & Card Hover
   ========================================================================== */
.mono-portfolio-thumb-wrap img {
  transition: transform 600ms var(--ease-out-quart),
              filter 600ms var(--ease-out-quart);
  will-change: transform;
}

.mono-portfolio-card:hover .mono-portfolio-thumb-wrap img {
  transform: scale(1.045);
}

.mono-portfolio-badge-top-right {
  transition: transform var(--motion-fast) var(--ease-spring);
}

.mono-portfolio-card:hover .mono-portfolio-badge-top-right {
  transform: translateY(-2px);
}

.mono-portfolio-link svg {
  transition: transform var(--motion-fast) var(--ease-premium);
}

.mono-portfolio-card:hover .mono-portfolio-link svg {
  transform: translate(3px, -3px);
}

/* Filter buttons smooth transition */
.mono-filter-btn {
  transition: background var(--motion-fast) var(--ease-standard),
              color var(--motion-fast) var(--ease-standard),
              border-color var(--motion-fast) var(--ease-standard),
              transform var(--motion-fast) var(--ease-standard);
}

.mono-filter-btn:hover {
  border-color: rgba(255, 212, 0, 0.5);
  transform: translateY(-1px);
}

.mono-filter-btn:active {
  transform: translateY(0);
}

/* ==========================================================================
   8. Revenue Simulator Custom Slider Styling & Rolling Numbers
   ========================================================================== */
.mono-range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: #1c1c1c;
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
  transition: background var(--motion-fast) var(--ease-standard);
}

.mono-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mono-yellow-primary);
  box-shadow: 0 0 15px rgba(255, 212, 0, 0.7);
  cursor: pointer;
  transition: transform var(--motion-fast) var(--ease-spring),
              box-shadow var(--motion-fast) var(--ease-standard);
}

.mono-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px rgba(255, 212, 0, 0.9);
}

.mono-range-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 50%;
  background: var(--mono-yellow-primary);
  box-shadow: 0 0 15px rgba(255, 212, 0, 0.7);
  cursor: pointer;
  transition: transform var(--motion-fast) var(--ease-spring),
              box-shadow var(--motion-fast) var(--ease-standard);
}

.mono-range-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 25px rgba(255, 212, 0, 0.9);
}

.mono-slider-val-badge {
  transition: color var(--motion-fast) var(--ease-standard),
              transform var(--motion-fast) var(--ease-standard);
}

.mono-sim-gain-number {
  transition: transform var(--motion-medium) var(--ease-spring),
              text-shadow var(--motion-medium) var(--ease-standard);
}

.mono-sim-gain-number.is-updated {
  transform: scale(1.03);
  text-shadow: 0 0 30px rgba(255, 212, 0, 0.5);
}

/* ==========================================================================
   9. Process Engine Phase Switcher Sliding Indicator
   ========================================================================== */
.mono-process-tabs {
  position: relative;
}

.mono-process-tab-btn {
  position: relative;
  transition: color var(--motion-fast) var(--ease-standard),
              background var(--motion-fast) var(--ease-standard),
              border-color var(--motion-fast) var(--ease-standard),
              transform var(--motion-fast) var(--ease-standard);
}

.mono-process-tab-btn:hover {
  transform: translateY(-2px);
}

.mono-process-content-panel {
  transition: opacity var(--motion-medium) var(--ease-standard),
              transform var(--motion-medium) var(--ease-premium);
}

.mono-process-content-panel.is-animating {
  opacity: 0;
  transform: translateY(12px);
}

.mono-deliverables-list li {
  transition: transform var(--motion-medium) var(--ease-out-quart),
              opacity var(--motion-medium) var(--ease-out-quart);
}

/* ==========================================================================
   10. Testimonial Client Selector & Transitions
   ========================================================================== */
.mono-testimonial-client-item {
  transition: border-color var(--motion-fast) var(--ease-standard),
              background var(--motion-fast) var(--ease-standard),
              transform var(--motion-fast) var(--ease-standard),
              box-shadow var(--motion-fast) var(--ease-standard);
}

.mono-testimonial-client-item:hover {
  transform: translateX(4px);
  border-color: rgba(255, 212, 0, 0.3);
}

.mono-testimonial-client-item.active {
  border-color: var(--mono-yellow-primary);
  background: #141414;
  box-shadow: 0 0 20px rgba(255, 212, 0, 0.15);
}

.mono-testimonial-featured-card blockquote,
.mono-testimonial-featured-card #mono-feat-test-author,
.mono-testimonial-featured-card #mono-feat-test-company {
  transition: opacity 250ms var(--ease-standard),
              transform 250ms var(--ease-standard);
}

.mono-testimonial-featured-card.is-fading blockquote,
.mono-testimonial-featured-card.is-fading #mono-feat-test-author,
.mono-testimonial-featured-card.is-fading #mono-feat-test-company {
  opacity: 0;
  transform: translateY(6px);
}

/* ==========================================================================
   11. Statistics Counter Underline Sweep
   ========================================================================== */
.mono-stat-item {
  position: relative;
}

.mono-stat-item::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--mono-yellow-primary);
  transition: width 800ms var(--ease-premium);
}

.mono-stat-item.is-counted::after {
  width: 45px;
}

/* ==========================================================================
   12. Floating Estimator Button & Back-To-Top
   ========================================================================== */
.mono-floating-estimator-btn {
  transition: transform var(--motion-fast) var(--ease-spring),
              box-shadow var(--motion-fast) var(--ease-standard),
              opacity var(--motion-medium) var(--ease-standard),
              visibility var(--motion-medium) var(--ease-standard);
}

.mono-floating-estimator-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 35px rgba(255, 212, 0, 0.5), 0 0 20px rgba(255, 212, 0, 0.3);
}

.mono-floating-estimator-btn:hover svg {
  transform: rotate(15deg) scale(1.1);
}

.mono-floating-estimator-btn svg {
  transition: transform var(--motion-medium) var(--ease-spring);
}

.mono-floating-estimator-btn.is-hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.mono-back-to-top {
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--motion-medium) var(--ease-standard),
              visibility var(--motion-medium) var(--ease-standard),
              transform var(--motion-fast) var(--ease-standard),
              border-color var(--motion-fast) var(--ease-standard);
}

.mono-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.mono-back-to-top:hover {
  transform: translateY(-2px);
  border-color: var(--mono-yellow-primary);
  color: var(--mono-yellow-primary);
}

/* ==========================================================================
   13. Form Inputs Focus Glow & Error Shake
   ========================================================================== */
.mono-input,
.mono-select,
.mono-textarea {
  transition: border-color var(--motion-fast) var(--ease-standard),
              box-shadow var(--motion-fast) var(--ease-standard),
              background var(--motion-fast) var(--ease-standard);
}

.mono-input:focus,
.mono-select:focus,
.mono-textarea:focus {
  border-color: var(--mono-yellow-primary);
  box-shadow: 0 0 0 3px rgba(255, 212, 0, 0.15);
  background: #141414;
}

@keyframes monoShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.mono-input.is-invalid,
.mono-select.is-invalid,
.mono-textarea.is-invalid {
  border-color: #e11d48;
  animation: monoShake 240ms var(--ease-standard) 1;
}

/* ==========================================================================
   14. Ambient Background Glow Movement
   ========================================================================== */
.mono-glow-top-center,
.mono-glow-right {
  transition: transform 1200ms var(--ease-out-quart),
              opacity 1200ms var(--ease-out-quart);
  will-change: transform;
}

/* ==========================================================================
   15. Accessibility: Reduced Motion Overrides
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html.motion-ready [data-reveal],
  html.motion-ready [data-stagger-group] > [data-stagger-item],
  html.motion-ready .mono-line-inner {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
    transition: none !important;
  }

  .mono-stat-item::after {
    width: 45px !important;
    transition: none !important;
  }
}

/* ==========================================================================
   16. Mobile Optimizations (Touch Screens)
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --reveal-distance: 14px;
    --reveal-blur: 0px;
    --stagger-delay: 35ms;
  }

  html.motion-ready [data-reveal="fade-left"],
  html.motion-ready [data-reveal="fade-right"] {
    transform: translateY(14px) !important;
  }

  .mono-service-card-compact::before,
  .mono-why-card::before,
  .mono-portfolio-card::before {
    display: none; /* Disable mouse tracking gradient on touch */
  }

  .mono-neural-card {
    transform: none !important; /* Disable 3D tilt on touch */
  }
}