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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  background: #0a0a0a;
}

/* Animated Background */
.animated-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
}

/* Gradient Orbs */
.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float-orb 20s ease-in-out infinite;
  will-change: transform;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.8) 0%, rgba(99, 102, 241, 0) 70%);
  top: -250px;
  left: -250px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.8) 0%, rgba(236, 72, 153, 0) 70%);
  top: 40%;
  right: -200px;
  animation-delay: 5s;
}

.orb-3 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.8) 0%, rgba(59, 130, 246, 0) 70%);
  bottom: -150px;
  left: 25%;
  animation-delay: 10s;
}

.orb-4 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.7) 0%, rgba(168, 85, 247, 0) 70%);
  top: 20%;
  right: 15%;
  animation-delay: 15s;
}

@keyframes float-orb {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(80px, -80px) scale(1.15);
  }
  50% {
    transform: translate(-50px, 80px) scale(0.85);
  }
  75% {
    transform: translate(100px, 50px) scale(1.1);
  }
}

/* Floating Particles */
.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
  animation: float-particle linear infinite;
  will-change: transform, opacity;
}

@keyframes float-particle {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(var(--x-movement));
    opacity: 0;
  }
}

/* Grid Pattern Overlay */
.grid-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: grid-fade 10s ease-in-out infinite;
}

@keyframes grid-fade {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.15;
  }
}

/* Wallpaper layer */
#wallpaper {
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.3);
}

/* Glass Panel Effect */
.glass-panel {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 
    0 8px 32px 0 rgba(0, 0, 0, 0.37),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

/* Desktop Icons */
.desktop-icon {
  opacity: 1;
  transform: scale(1);
  transition: all 0.3s ease;
  user-select: none;
}

.desktop-icon:active {
  transform: scale(0.95);
}

/* Modal Window */
.modal-window {
  position: fixed;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(40px) saturate(150%);
  -webkit-backdrop-filter: blur(40px) saturate(150%);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 0.5px rgba(255, 255, 255, 0.1) inset;
  overflow: hidden;
  z-index: 100;
  resize: both;
  min-width: 400px;
  min-height: 300px;
  max-width: 90vw;
  max-height: 90vh;
}

.modal-window.active {
  z-index: 101;
}

/* Window Title Bar */
.window-titlebar {
  height: 40px;
  background: rgba(40, 40, 40, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  cursor: move;
  user-select: none;
}

.window-controls {
  display: flex;
  gap: 8px;
}

.window-control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.window-control::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.window-control:hover::before {
  opacity: 1;
}

.window-control.close {
  background: #ff5f57;
}

.window-control.close::before {
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path fill="%23990000" d="M 3 3 L 9 9 M 9 3 L 3 9" stroke="%23990000" stroke-width="1.5"/></svg>') center/60% no-repeat;
}

.window-control.minimize {
  background: #ffbd2e;
}

.window-control.minimize::before {
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><rect fill="%23995700" x="3" y="5.5" width="6" height="1.5"/></svg>') center no-repeat;
}

.window-control.maximize {
  background: #28ca41;
}

.window-control.maximize::before {
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path fill="%23006500" d="M 3 5 L 9 9 L 9 5 Z" transform="rotate(-45 6 6)"/></svg>') center no-repeat;
}

.window-title {
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 500;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* Window Content */
.window-content {
  padding: 24px;
  height: calc(100% - 40px);
  overflow-y: auto;
  color: rgba(255, 255, 255, 0.9);
}

.window-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.window-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  color: #fff;
}

.window-content p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 12px;
}

.window-content ul {
  list-style: none;
  padding: 0;
}

.window-content li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Experience Card */
.experience-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.experience-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.experience-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.experience-company {
  font-size: 14px;
  color: rgba(100, 150, 255, 0.9);
  margin-bottom: 4px;
}

.experience-period {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
}

.experience-description {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

/* Project Card */
.project-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.project-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.project-title {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.project-description {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 12px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.project-tag {
  background: rgba(100, 150, 255, 0.2);
  color: rgba(100, 150, 255, 1);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.project-link {
  color: rgba(100, 150, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

.project-link:hover {
  color: rgba(100, 150, 255, 1);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.skill-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.skill-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.skill-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.skill-name {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

/* Certificate Card */
.certificate-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.certificate-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Education Card */
.education-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.education-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Scrollbar Styling */
.window-content::-webkit-scrollbar {
  width: 8px;
}

.window-content::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}

.window-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.window-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-window {
  animation: fadeIn 0.3s ease;
}

/* Contact Section */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: rgba(100, 150, 255, 0.9);
}

.contact-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.contact-link:hover {
  color: rgba(100, 150, 255, 1);
}

/* Responsive */
@media (max-width: 768px) {
  .modal-window {
    min-width: 90vw;
    left: 5vw !important;
    right: 5vw !important;
    top: 10vh !important;
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}