/* ==========================================================================
   ASAD RAZA PORTFOLIO — ANIMATIONS & MICRO-INTERACTIONS
   Premium Upgrade — v2.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. @property Registration for CSS Houdini Animations
   -------------------------------------------------------------------------- */
@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

@property --shimmer-pos {
  syntax: '<percentage>';
  initial-value: -100%;
  inherits: false;
}

/* --------------------------------------------------------------------------
   1. Floating & Pulsing Keyframes
   -------------------------------------------------------------------------- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(240, 196, 90, 0.2); }
  50% { box-shadow: 0 0 35px rgba(240, 196, 90, 0.5), 0 0 60px rgba(240, 196, 90, 0.15); }
}

@keyframes textShimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes borderRotate {
  0% { --angle: 0deg; }
  100% { --angle: 360deg; }
}

@keyframes expandLine {
  from { width: 0; opacity: 0; }
  to { width: 60px; opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* --------------------------------------------------------------------------
   2. Scroll Progress Bar
   -------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-blue), var(--accent-violet));
  z-index: 99999;
  width: 0%;
  transition: width 0.05s linear;
  box-shadow: 0 0 10px var(--accent-gold-glow);
}

/* --------------------------------------------------------------------------
   3. Custom Interactive Neon Cursor
   -------------------------------------------------------------------------- */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 10px;
  height: 10px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 999999;
  transform: translate(-50%, -50%);
  transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 0 10px var(--accent-gold-glow);
}

.custom-cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--accent-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 999998;
  transform: translate(-50%, -50%);
  transition: transform 0.15s ease-out, width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
  box-shadow: 0 0 12px var(--accent-gold-glow);
}

.cursor-hover .custom-cursor {
  width: 20px;
  height: 20px;
  background-color: var(--accent-blue);
  box-shadow: 0 0 15px var(--accent-blue-glow);
}

.cursor-hover .custom-cursor-follower {
  width: 54px;
  height: 54px;
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px var(--accent-blue-glow);
}

/* Cursor Trail Dots */
.cursor-trail {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 999997;
  background: var(--accent-gold);
}

/* Hide custom cursor on mobile/touch devices */
@media (pointer: coarse) {
  .custom-cursor,
  .custom-cursor-follower,
  .cursor-trail {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   4. Hover Micro-interactions & Ripple
   -------------------------------------------------------------------------- */
.magnetic-btn {
  display: inline-block;
  transition: transform 0.2s ease-out;
}

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

.ripple-circle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 196, 90, 0.4) 0%, transparent 70%);
  transform: scale(0);
  animation: ripple 0.7s ease-out;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Tilt effect card helper */
.tilt-card {
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 0.5s ease;
}

/* --------------------------------------------------------------------------
   5. Animated Border Glow on Hover (Project & Service Cards)
   -------------------------------------------------------------------------- */
.project-card,
.service-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease, border-color 0.4s ease;
  will-change: transform;
}

.project-card::after,
.service-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: conic-gradient(from var(--angle), transparent 60%, var(--accent-gold) 78%, var(--accent-blue) 88%, var(--accent-violet) 94%, transparent 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.project-card:hover,
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(240, 196, 90, 0.08);
}

.project-card:hover::after,
.service-card:hover::after {
  opacity: 1;
  animation: borderRotate 3s linear infinite;
}

/* --------------------------------------------------------------------------
   6. Nav Link Active Indicator
   -------------------------------------------------------------------------- */
.nav-link {
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 1px;
  box-shadow: 0 0 8px var(--accent-gold-glow);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-gold);
}

/* --------------------------------------------------------------------------
   7. Service Card Number Badge
   -------------------------------------------------------------------------- */
.service-card {
  counter-increment: service-counter;
}

.service-card::before {
  content: '0' counter(service-counter);
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-dim);
  opacity: 0.4;
  letter-spacing: 0.05em;
  z-index: 2;
}

.services-grid {
  counter-reset: service-counter;
}

/* --------------------------------------------------------------------------
   8. Skeleton Loading for Images
   -------------------------------------------------------------------------- */
.project-img {
  background: linear-gradient(90deg, var(--bg-dark-secondary) 25%, rgba(255,255,255,0.05) 50%, var(--bg-dark-secondary) 75%);
  background-size: 200% 100%;
}

/* --------------------------------------------------------------------------
   9. Touch Feedback for Mobile
   -------------------------------------------------------------------------- */
@media (pointer: coarse) {
  .glass-card:active,
  .project-card:active,
  .service-card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
  
  .btn:active {
    transform: scale(0.96);
  }
  
  .social-link:active {
    transform: scale(0.9);
    background: rgba(240, 196, 90, 0.15);
  }
}

/* --------------------------------------------------------------------------
   10. Accessibility & Reduced Motion
   -------------------------------------------------------------------------- */
@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;
  }
  
  .avatar-ring {
    animation: none !important;
  }

  .custom-cursor, .custom-cursor-follower, .cursor-trail {
    display: none !important;
  }
  
  .scroll-progress {
    display: none !important;
  }
}