* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top, rgba(34, 211, 238, 0.03) 0%, transparent 50%),
    #0a0a0a;
}

.bg-grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 50px 50px;
}

.project-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(34, 211, 238, 0.1);
}

.project-card:hover .screenshot-placeholder {
  border-color: rgba(34, 211, 238, 0.4);
}

.screenshot-placeholder {
  background: 
    radial-gradient(circle at center, rgba(34, 211, 238, 0.05) 0%, transparent 70%),
    linear-gradient(135deg, #111111 0%, #0a0a0a 100%);
  transition: border-color 0.3s ease;
  position: relative;
}

.screenshot-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
}

.glow-text {
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.3);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.btn-primary {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.4);
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.2);
  }
  50% {
    box-shadow: 0 0 30px rgba(34, 211, 238, 0.4);
  }
}

.hero-glow {
  animation: pulse-glow 4s ease-in-out infinite;
}

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

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