/* Global styles - Dark Theme */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: #111827;
  color: #f9fafb;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Particles background */
#tsparticles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Navigation */
nav {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(55, 65, 81, 0.3);
  transition: all 0.3s ease;
}

.nav-link {
  position: relative;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

.nav-link.active {
  color: #60a5fa !important;
  font-weight: 600;
}

/* Main title */
.main-title {
  font-size: clamp(4rem, 15vw, 12rem);
  font-weight: 900;
  margin: 0;
  line-height: 0.9;
}

.title-link {
  text-decoration: none;
  color: inherit;
}

.title-text {
  background: linear-gradient(135deg, #f9fafb 0%, #3b82f6 50%, #8b5cf6 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradientShift 3s ease-in-out infinite;
  transition: all 0.3s ease;
  display: inline-block;
}

.title-text:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.5));
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* CTA Buttons */
.cta-button {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Mobile menu */
#mobile-menu {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(55, 65, 81, 0.3);
}

/* Page layouts */
.page-container {
  min-height: 100vh;
  padding-top: 80px;
}

.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.page-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

/* Project cards */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid rgba(55, 65, 81, 0.3);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Image-based project cards */
.projects-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-image-card {
  position: relative;
  aspect-ratio: 1/1;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid rgba(55, 65, 81, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.project-image-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease;
}

.project-image-card:hover .project-image {
  transform: scale(1.1);
  filter: brightness(0.7);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.3) 50%,
    rgba(0, 0, 0, 0.8) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: all 0.3s ease;
}

.project-image-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.5rem;
  transform: translateY(20px);
  transition: all 0.3s ease 0.1s;
}

.project-image-card:hover .project-overlay-title {
  transform: translateY(0);
}

.project-overlay-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.5;
  transform: translateY(20px);
  transition: all 0.3s ease 0.2s;
}

.project-image-card:hover .project-overlay-description {
  transform: translateY(0);
}

/* Fallback for missing images */
.project-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #374151, #4b5563);
  color: #d1d5db;
  font-size: 3rem;
  font-weight: bold;
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #60a5fa;
}

.project-description {
  color: #d1d5db;
  margin-bottom: 1rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tech-tag {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  color: #60a5fa;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.project-link:hover {
  color: #93c5fd;
  transform: translateX(5px);
}

/* Contact form */
.contact-form {
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid rgba(55, 65, 81, 0.3);
  border-radius: 12px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: #d1d5db;
  font-weight: 600;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid rgba(55, 65, 81, 0.5);
  border-radius: 6px;
  color: #f9fafb;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-button {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* 404 page */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 2rem;
}

.error-code {
  font-size: 8rem;
  font-weight: 900;
  background: linear-gradient(135deg, #ef4444, #f97316);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 1rem;
}

.error-message {
  font-size: 1.5rem;
  color: #d1d5db;
  margin-bottom: 2rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .page-title {
    font-size: 2rem;
  }
  
  .main-title {
    font-size: clamp(3rem, 12vw, 6rem);
  }
  
  .project-grid {
    grid-template-columns: 1fr;
  }
  
  .error-code {
    font-size: 6rem;
  }
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #1f2937;
}

::-webkit-scrollbar-thumb {
  background: #374151;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #4b5563;
}

/* Loading animation */
.loading {
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}