/* ========== KEYFRAME ANIMATIONS ========== */

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

@keyframes ring-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes scroll-down {
  0% { transform: scaleY(0); transform-origin: top; }
  40% { transform: scaleY(1); transform-origin: top; }
  60% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

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

@keyframes counter-tick {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== SCROLL REVEAL CLASSES ========== */

.fade-in-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-up.visible,
.fade-in-left.visible,
.fade-in-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Delay utilities */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ========== HERO HEADLINE ANIMATION ========== */

.headline-line {
  display: inline-block;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1),
              transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.headline-line.visible {
  opacity: 1;
  transform: translateY(0);
  animation: textShine 4s linear infinite;
}

/* ========== CARD SHIMMER EFFECT ========== */

.comp-card,
.project-card,
.rec-card,
.cert-card {
  position: relative;
  overflow: hidden;
}

.comp-card::before,
.project-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.03),
    transparent
  );
  transition: none;
  pointer-events: none;
}

.comp-card:hover::before,
.project-card:hover::after {
  animation: shimmer 0.8s ease-in-out;
}

/* ========== SOC DASHBOARD ANIMATIONS ========== */

.soc-dashboard {
  animation: float 6s ease-in-out infinite;
}

.bar {
  animation: bar-grow 1s ease-out both;
}

.bar:nth-child(1) { animation-delay: 0.1s; }
.bar:nth-child(2) { animation-delay: 0.15s; }
.bar:nth-child(3) { animation-delay: 0.2s; }
.bar:nth-child(4) { animation-delay: 0.25s; }
.bar:nth-child(5) { animation-delay: 0.3s; }
.bar:nth-child(6) { animation-delay: 0.35s; }
.bar:nth-child(7) { animation-delay: 0.4s; }
.bar:nth-child(8) { animation-delay: 0.45s; }
.bar:nth-child(9) { animation-delay: 0.5s; }
.bar:nth-child(10) { animation-delay: 0.55s; }
.bar:nth-child(11) { animation-delay: 0.6s; }
.bar:nth-child(12) { animation-delay: 0.65s; }

@keyframes bar-grow {
  from {
    height: 0;
    opacity: 0;
  }
  to {
    height: var(--h);
    opacity: 1;
  }
}

/* Alert item entrance */
.alert-item {
  animation: fadeInLeft 0.5s ease-out both;
}

.alert-item:nth-child(1) { animation-delay: 0.6s; }
.alert-item:nth-child(2) { animation-delay: 0.75s; }
.alert-item:nth-child(3) { animation-delay: 0.9s; }

/* ========== METRIC RING GLOW ========== */

.metric-card:hover .ring-fill {
  filter: drop-shadow(0 0 6px var(--accent-green));
}

.metric-card:nth-child(2):hover .ring-fill {
  filter: drop-shadow(0 0 6px var(--accent-cyan));
}

.metric-card:nth-child(3):hover .ring-fill {
  filter: drop-shadow(0 0 6px #9C27B0);
}

.metric-card:nth-child(4):hover .ring-fill {
  filter: drop-shadow(0 0 6px #FF9800);
}

/* ========== TOOL BADGE HOVER GLOW ========== */

.tool-badge:hover {
  box-shadow: 0 4px 20px rgba(0, 230, 118, 0.1);
}

/* ========== NETWORK CANVAS BACKGROUND GRADIENT ========== */

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--bg-primary));
  z-index: 0;
  pointer-events: none;
}

.hero-container { z-index: 1; }

/* ========== PROJECT CARD HIDDEN STATE ========== */

.project-card.hidden {
  display: none;
}

/* ========== CUSTOM SCROLLBAR ========== */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 230, 118, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 230, 118, 0.6);
}

/* ========== TEXT SELECTION STYLE ========== */

::selection {
  background: rgba(0, 230, 118, 0.25);
  color: var(--text-primary);
}

/* ========== FOCUS STYLES (ACCESSIBILITY) ========== */

:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ========== SKILL LEVEL BARS ========== */

.skill-bar-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-bar-fill.animate {
  width: var(--skill-level);
}

/* ========== TEXT SHINE ANIMATION ========== */
@keyframes textShine {
  0% {
    background-position: 0% center;
  }
  100% {
    background-position: -200% center;
  }
}

/* ========== SUBTITLE ANIMATION ========== */

@keyframes subtitleFadeUp {
  0% {
    opacity: 0;
    transform: translateY(15px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}