/* ==========================================================================
   DARSHAN DEVADIGA - DIRECTION-AWARE MOTION & SCROLL ANIMATION SYSTEM
   Hardware Accelerated • Zero Layout Shift • Progressive Enhancement
   ========================================================================== */

/* Keyframe Animations */
@keyframes pulse-gold {
  0% { transform: scale(0.96); opacity: 0.8; box-shadow: 0 0 0 0 rgba(255, 200, 61, 0.45); }
  50% { transform: scale(1.04); opacity: 1; box-shadow: 0 0 18px 4px rgba(255, 200, 61, 0.22); }
  100% { transform: scale(0.96); opacity: 0.8; box-shadow: 0 0 0 0 rgba(255, 200, 61, 0); }
}

@keyframes pulse-teal {
  0% { transform: scale(0.96); opacity: 0.8; box-shadow: 0 0 0 0 rgba(19, 200, 181, 0.45); }
  50% { transform: scale(1.04); opacity: 1; box-shadow: 0 0 18px 4px rgba(19, 200, 181, 0.22); }
  100% { transform: scale(0.96); opacity: 0.8; box-shadow: 0 0 0 0 rgba(19, 200, 181, 0); }
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(165, 230, 90, 0.7); }
  70% { transform: scale(1.15); box-shadow: 0 0 0 8px rgba(165, 230, 90, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(165, 230, 90, 0); }
}

@keyframes orbit-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes orbit-spin-reverse {
  0% { transform: rotate(360deg); }
  100% { transform: rotate(0deg); }
}

@keyframes float-workspace {
  0% { transform: translateY(0px) rotateX(2.5deg) rotateY(-2.5deg); }
  50% { transform: translateY(-8px) rotateX(1deg) rotateY(-1deg); }
  100% { transform: translateY(0px) rotateX(2.5deg) rotateY(-2.5deg); }
}

@keyframes float-chip-1 {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0px); }
}

@keyframes float-chip-2 {
  0% { transform: translateY(0px); }
  50% { transform: translateY(6px); }
  100% { transform: translateY(0px); }
}

@keyframes blur-reveal {
  0% { filter: blur(8px); opacity: 0; transform: translateY(16px); }
  100% { filter: blur(0px); opacity: 1; transform: translateY(0); }
}

/* Micro-Bounce Settling Animation */
@keyframes revealBounce {
  0% {
    opacity: 0;
    transform: translateY(40px) scale(0.96);
  }
  70% {
    opacity: 1;
    transform: translateY(-3px) scale(1.003);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ==========================================================================
   SCROLL REVEAL SYSTEM (PROGRESSIVE ENHANCEMENT)
   Default: 100% visible if JavaScript is disabled / loading
   ========================================================================== */
.reveal-init,
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale,
.reveal-bounce {
  opacity: 1;
  transform: none;
}

/* When JS is enabled, set initial hidden states with smooth transitions */
html.js-enabled .reveal-init,
html.js-enabled .reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

html.js-enabled .reveal-scale {
  opacity: 0;
  transform: translateY(30px) scale(0.96);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

html.js-enabled .reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

html.js-enabled .reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

html.js-enabled .reveal-bounce {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  will-change: opacity, transform;
}

/* Direction-Aware Adjustments for Unrevealed Elements */
/* Scroll Down (Default entrance from bottom) */
body.scrolling-down html.js-enabled .reveal-init:not(.is-visible):not(.reveal-visible),
body.scrolling-down html.js-enabled .reveal:not(.is-visible):not(.reveal-visible) {
  transform: translateY(40px);
}

/* Scroll Up (Gentle entrance from top) */
body.scrolling-up html.js-enabled .reveal-init:not(.is-visible):not(.reveal-visible),
body.scrolling-up html.js-enabled .reveal:not(.is-visible):not(.reveal-visible) {
  transform: translateY(-30px);
}

/* ==========================================================================
   VISIBLE REVEAL STATES
   ========================================================================== */
html.js-enabled .reveal-init.is-visible,
html.js-enabled .reveal-init.reveal-visible,
html.js-enabled .reveal.is-visible,
html.js-enabled .reveal.reveal-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

html.js-enabled .reveal-scale.is-visible,
html.js-enabled .reveal-scale.reveal-visible {
  opacity: 1 !important;
  transform: translateY(0) scale(1) !important;
}

html.js-enabled .reveal-left.is-visible,
html.js-enabled .reveal-left.reveal-visible,
html.js-enabled .reveal-right.is-visible,
html.js-enabled .reveal-right.reveal-visible {
  opacity: 1 !important;
  transform: translateX(0) !important;
}

html.js-enabled .reveal-bounce.is-visible,
html.js-enabled .reveal-bounce.reveal-visible {
  animation: revealBounce 850ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ==========================================================================
   STAGGER SEQUENCING DELAYS
   ========================================================================== */
.stagger-1, [data-delay="1"] { transition-delay: 80ms; animation-delay: 80ms; }
.stagger-2, [data-delay="2"] { transition-delay: 160ms; animation-delay: 160ms; }
.stagger-3, [data-delay="3"] { transition-delay: 240ms; animation-delay: 240ms; }
.stagger-4, [data-delay="4"] { transition-delay: 320ms; animation-delay: 320ms; }
.stagger-5, [data-delay="5"] { transition-delay: 400ms; animation-delay: 400ms; }
.stagger-6, [data-delay="6"] { transition-delay: 480ms; animation-delay: 480ms; }

/* Above-The-Fold Immediate Load */
.header-wrapper,
.hero-content,
.hero-visual-wrapper {
  opacity: 1 !important;
  transform: none !important;
}

html.js-enabled .hero-title {
  animation: blur-reveal 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 3D Visual Floating Behavior */
.hero-bento-card {
  animation: float-workspace 7s ease-in-out infinite;
  transform-style: preserve-3d;
}

.orbital-ring {
  animation: orbit-spin 24s linear infinite;
}

.orbital-ring-dashed {
  animation: orbit-spin-reverse 32s linear infinite;
}

.floating-tech-chip:nth-child(odd) {
  animation: float-chip-1 4.5s ease-in-out infinite;
}

.floating-tech-chip:nth-child(even) {
  animation: float-chip-2 5.5s ease-in-out infinite;
}

/* ==========================================================================
   MOBILE MOTION OPTIMIZATION
   ========================================================================== */
@media (max-width: 768px) {
  html.js-enabled .reveal-init,
  html.js-enabled .reveal {
    transform: translateY(16px);
    transition-duration: 600ms;
  }

  html.js-enabled .reveal-left,
  html.js-enabled .reveal-right {
    transform: translateY(16px);
    transition-duration: 600ms;
  }

  html.js-enabled .reveal-scale {
    transform: translateY(14px) scale(0.98);
    transition-duration: 600ms;
  }

  html.js-enabled .reveal-bounce.is-visible,
  html.js-enabled .reveal-bounce.reveal-visible {
    animation-duration: 600ms;
  }

  body.scrolling-down html.js-enabled .reveal-init:not(.is-visible):not(.reveal-visible),
  body.scrolling-down html.js-enabled .reveal:not(.is-visible):not(.reveal-visible) {
    transform: translateY(14px);
  }

  body.scrolling-up html.js-enabled .reveal-init:not(.is-visible):not(.reveal-visible),
  body.scrolling-up html.js-enabled .reveal:not(.is-visible):not(.reveal-visible) {
    transform: translateY(-10px);
  }

  .hero-bento-card {
    animation: none !important;
    transform: none !important;
  }

  .orbital-ring,
  .orbital-ring-dashed {
    animation-duration: 45s;
  }

  .floating-tech-chip:nth-child(odd),
  .floating-tech-chip:nth-child(even) {
    animation: none !important;
  }
}

/* Reduced Motion Accessibility Support */
@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.js-enabled .reveal-init,
  html.js-enabled .reveal,
  html.js-enabled .reveal-left,
  html.js-enabled .reveal-right,
  html.js-enabled .reveal-scale,
  html.js-enabled .reveal-bounce {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .hero-bento-card,
  .orbital-ring,
  .orbital-ring-dashed,
  .floating-tech-chip,
  .status-indicator::after {
    animation: none !important;
    transform: none !important;
  }
}