/* ===================================
   VISUAL EFFECTS STYLES
   Particles, Scroll Reveal, Formation,
   Loader, Counter, Hover enhancements
   =================================== */

/* ===================================
   PARTICLE CANVAS
   =================================== */
.particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ===================================
   ENHANCED LOADER
   =================================== */
.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.loader-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeInUp 0.6s ease-out 0.3s backwards;
}

/* ===================================
   FORMATION SECTION
   =================================== */
.formation {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(180deg, rgba(6, 18, 36, 1) 0%, rgba(5, 14, 30, 0.95) 100%);
}

body.light-mode .formation {
  background: linear-gradient(180deg, #ECF2FF 0%, #DEE7FF 100%);
}

/* ===================================
   SCROLL REVEAL ANIMATIONS
   =================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.project-card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}

.project-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.project-card.revealed:hover {
  transform: translateY(-10px);
}

.skill-category {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease;
}

.skill-category.revealed {
  opacity: 1;
  transform: translateY(0);
}

.skill-category.revealed:hover {
  transform: translateY(-6px);
}

.timeline-item {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline-item.revealed {
  opacity: 1;
  transform: translateX(0);
}

.info-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s ease,
              border-color 0.3s ease,
              background 0.3s ease;
}

.info-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

.certifications {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.certifications.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   ENHANCED HOVER INTERACTIONS
   =================================== */
.project-card {
  will-change: transform;
}

.skill-category {
  perspective: 1000px;
}

.timeline-item.revealed::before {
  animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(45, 123, 255, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(45, 123, 255, 0.4), 0 0 20px rgba(45, 123, 255, 0.2); }
}

/* ===================================
   COUNTER ANIMATION STYLE
   =================================== */
.hero-stats .stat span {
  display: inline-block;
}

.hero-stats .stat span::after {
  content: '+';
}