/* Blob background animation */
.blob {
  position: absolute;
  width: 500px;
  height: 500px;
  background: linear-gradient(
    45deg,
    rgba(14, 165, 233, 0.15) 0%,
    rgba(124, 58, 237, 0.15) 100%
  );
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  filter: blur(50px);
  z-index: -1;
  animation: blob-animate 15s ease-in-out infinite;
}

@keyframes blob-animate {
  0%,
  100% {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
  }
  50% {
    transform: translate(50px, 50px) rotate(180deg);
    border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
  }
  75% {
    border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
  }
}

/* Typewriter effect */
.typewriter {
  border-right: 2px solid;
  white-space: nowrap;
  overflow: hidden;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink-caret {
  from,
  to {
    border-color: transparent;
  }
  50% {
    border-color: #0ea5e9;
  }
}

/* Timeline styling */
.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -20px;
  width: 2px;
  height: 20px;
  background-color: #e2e8f0;
}

.dark .timeline-item:not(:last-child)::after {
  background-color: #334155;
}

/* Project card hover effect */
.project-card:hover .project-overlay {
  opacity: 1;
  transform: translateY(0);
}

.project-overlay {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

/* Skill icon hover effect */
.skill-icon {
  transition: all 0.3s ease;
}

.skill-icon:hover {
  transform: translateY(-5px);
}

/* Section scroll animation */
.section {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.section-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Navigation link underline effect */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #0ea5e9;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.active-nav::after {
  width: 100%;
}