body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  color: white;
}

/* Background */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  background: #0f0c29;
  z-index: -1;
}

/* Loader */
#loader {
  position: fixed;
  width: 100%;
  height: 100%;
  background: #0f0c29;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255,255,255,0.2);
  border-top: 4px solid #00f7ff;
  border-radius: 50%;
  animation: spin 3s linear infinite;
}

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

/* Glass effect */
.glass {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
}

/* Navigation */
nav {
  display: flex;
  gap: 15px;
}

nav a {
  color: white;
  text-decoration: none;
  transition: 0.3s;
}

nav a:hover {
  color: #00f7ff;
}

/* Hero */
.hero {
  text-align: center;
  padding: 100px 20px;
}

/* Neon text */
.neon {
  color: #00f7ff;
  text-shadow: 0 0 20px #00f7ff;
}

/* Content */
.content {
  padding: 20px;
}

/* Cards */
.cards {
  display: flex;
  gap: 20px;
}

.card {
  padding: 20px;
  border-radius: 15px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 25px #00f7ff;
}

/* 3D tilt */
.tilt:hover {
  transform: rotateY(10deg) rotateX(10deg);
}

/* Project images */
.project-img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 10px;
}

/* Skills */
.skill {
  margin: 15px 0;
}

.bar {
  background: #222;
  border-radius: 10px;
  overflow: hidden;
}

.progress {
  height: 10px;
  background: #00f7ff;
  width: 0;
  transition: width 1.5s ease;
}

/* Profile */
.profile-img {
  width: 150px;
  border-radius: 50%;
  border: 2px solid #00f7ff;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: 0.6s;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  text-align: center;
  padding: 15px;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  font-size: 24px;
  background: none;
  color: white;
  border: none;
}

@media (max-width: 768px) {
  .cards {
    flex-direction: column;
  }

  nav {
    display: none;
    flex-direction: column;
    background: #111;
    position: absolute;
    right: 0;
    top: 60px;
    padding: 10px;
  }

  nav.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}