/* ============================================================
   ANIMATIONS CSS — KOMAL BHANDARI PORTFOLIO
   ============================================================ */

/* ---- Reveal Animations ---- */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays for grids */
.skills-grid .skill-category:nth-child(1) { transition-delay: 0.1s; }
.skills-grid .skill-category:nth-child(2) { transition-delay: 0.2s; }
.skills-grid .skill-category:nth-child(3) { transition-delay: 0.3s; }
.skills-grid .skill-category:nth-child(4) { transition-delay: 0.4s; }

.projects-grid .project-card:nth-child(1) { transition-delay: 0.05s; }
.projects-grid .project-card:nth-child(2) { transition-delay: 0.1s; }
.projects-grid .project-card:nth-child(3) { transition-delay: 0.15s; }
.projects-grid .project-card:nth-child(4) { transition-delay: 0.2s; }
.projects-grid .project-card:nth-child(5) { transition-delay: 0.25s; }
.projects-grid .project-card:nth-child(6) { transition-delay: 0.3s; }
.projects-grid .project-card:nth-child(7) { transition-delay: 0.35s; }

.certs-grid .cert-card:nth-child(1) { transition-delay: 0.1s; }
.certs-grid .cert-card:nth-child(2) { transition-delay: 0.2s; }
.certs-grid .cert-card:nth-child(3) { transition-delay: 0.3s; }
.certs-grid .cert-card:nth-child(4) { transition-delay: 0.4s; }

/* ---- Hero Entrance ---- */
@keyframes heroSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-badge    { animation: heroSlideUp 0.6s ease both; animation-delay: 0.3s; }
.hero-title    { animation: heroSlideUp 0.8s ease both; animation-delay: 0.5s; }
.hero-subtitle { animation: heroSlideUp 0.8s ease both; animation-delay: 0.7s; }
.hero-desc     { animation: heroSlideUp 0.8s ease both; animation-delay: 0.9s; }
.hero-actions  { animation: heroSlideUp 0.8s ease both; animation-delay: 1.1s; }
.hero-stats    { animation: heroSlideUp 0.8s ease both; animation-delay: 1.3s; }
.hero-image    { animation: heroSlideUp 0.8s ease both; animation-delay: 0.6s; }

/* ---- Page Load Glow ---- */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 30px rgba(200,169,110,0.15); }
  50% { box-shadow: 0 0 60px rgba(200,169,110,0.30); }
}
.avatar-placeholder { animation: glowPulse 4s ease-in-out infinite; }

/* ---- Hover Lift ---- */
.project-card, .cert-card, .info-card, .skill-category {
  will-change: transform;
}

/* ---- Text Shimmer on Accent ---- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.hero-title .italic-name {
  background: linear-gradient(90deg, #c8a96e, #f0d090, #c8a96e, #e0a840);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ---- Typing Cursor Blink ---- */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.typed-cursor { animation: blink 1s infinite; color: var(--accent); }

/* ---- Button Ripple ---- */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.btn-primary:hover::after { transform: scaleX(1); }

/* ---- Gradient Border on Hover (project cards) ---- */
.project-card {
  position: relative;
}
.project-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(200,169,110,0), rgba(200,169,110,0.4), rgba(200,169,110,0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.project-card:hover::after { opacity: 1; }

/* ---- Scroll Progress Bar ---- */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #e0a840);
  z-index: 2000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ---- Active Nav Underline ---- */
.nav-link.active { color: var(--accent); }
.nav-link.active::after { width: 100%; }

/* ---- Form Focus Glow ---- */
.form-input:focus {
  box-shadow: 0 0 0 3px rgba(200,169,110,0.1);
}

/* ---- Skeleton loading shimmer (optional) ---- */
@keyframes skeletonShimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}