/* ============================================
   ANIMATIONS & MICRO-INTERACTIONS
   ============================================ */

/* ── Keyframe Animations ── */
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float-orb {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -50px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(40px, 30px) scale(1.02);
  }
}

@keyframes float-badge {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.15;
    transform: scale(1);
  }
  50% {
    opacity: 0.25;
    transform: scale(1.05);
  }
}

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

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

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

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

@keyframes counter-glow {
  0%, 100% {
    text-shadow: none;
  }
  50% {
    text-shadow: 0 0 20px var(--accent);
  }
}

@keyframes draw-line {
  from {
    height: 0;
  }
  to {
    height: 100%;
  }
}

@keyframes bounce-in {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes wave {
  0% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
  60% { transform: rotate(0deg); }
  100% { transform: rotate(0deg); }
}

/* ── Scroll-Triggered Animation Classes ── */
.animate-on-scroll {
  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);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.slide-left {
  transform: translateX(-30px);
}

.animate-on-scroll.slide-left.animated {
  transform: translateX(0);
}

.animate-on-scroll.slide-right {
  transform: translateX(30px);
}

.animate-on-scroll.slide-right.animated {
  transform: translateX(0);
}

.animate-on-scroll.scale-in {
  transform: scale(0.9);
}

.animate-on-scroll.scale-in.animated {
  transform: scale(1);
}

/* Staggered Animation Delays */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }
.stagger-7 { transition-delay: 0.35s; }
.stagger-8 { transition-delay: 0.4s; }
.stagger-9 { transition-delay: 0.45s; }

/* ── Hero Animations ── */
.hero-text .hero-badge {
  animation: slide-down 0.6s ease both;
  animation-delay: 0.3s;
}

.hero-text .hero-name {
  animation: slide-up 0.7s ease both;
  animation-delay: 0.5s;
}

.hero-text .hero-title {
  animation: slide-up 0.7s ease both;
  animation-delay: 0.7s;
}

.hero-text .hero-description {
  animation: slide-up 0.7s ease both;
  animation-delay: 0.9s;
}

.hero-text .hero-buttons {
  animation: slide-up 0.7s ease both;
  animation-delay: 1.1s;
}

.hero-stats {
  animation: slide-up 0.7s ease both;
  animation-delay: 1.3s;
}

.hero-image-wrapper {
  animation: scale-in 0.8s ease both;
  animation-delay: 0.6s;
}

/* ── Card Hover Micro-Animations ── */
.skill-category,
.service-card,
.blog-card,
.project-card,
.contact-card {
  will-change: transform;
}

/* ── Button Ripple Effect ── */
.btn {
  position: relative;
  overflow: hidden;
}

.btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple-effect 0.6s ease-out;
  pointer-events: none;
}

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

/* ── Link Hover Underline ── */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
  border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* ── Counter Animation ── */
.stat-number.counting {
  animation: counter-glow 0.5s ease;
}

/* ── Project Card Image Shine ── */
.project-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.1) 45%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.1) 55%,
    transparent 60%
  );
  transform: translateX(-200%);
  transition: transform 0.8s ease;
}

.project-card:hover .project-image::after {
  transform: translateX(200%);
}

/* ── Skill Tag Pop ── */
.skill-tag {
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Service Icon Bounce ── */
.service-card:hover .service-icon {
  animation: bounce-in 0.5s ease;
}

/* ── Theme Transition ── */
body,
.navbar,
.bg-card,
.footer {
  transition: background-color var(--transition-slow),
              color var(--transition-slow),
              border-color var(--transition-slow);
}

/* ── Wave Emoji Animation ── */
.wave-emoji {
  display: inline-block;
  animation: wave 2.5s ease-in-out infinite;
  transform-origin: 70% 70%;
}

/* ── Prefers 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;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }

  .hero-bg .gradient-orb {
    animation: none;
  }
}