:root {
  --primary: #3a86ff;
  --secondary: #8338ec;
  --dark: #212529;
  --light: #f8f9fa;
  --accent: #ff006e;
}

.dark {
  --dark: #f8f9fa;
  --light: #212529;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--light);
  color: var(--dark);
  scroll-behavior: smooth;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.card-hover {
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.card-hover:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
}

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

.skill-badge {
  transition: all 0.3s ease;
}

.skill-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.project-card {
  transition: all 0.3s ease;
  overflow: hidden;
}

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

.project-overlay {
  opacity: 0;
  transform: translateY(100%);
  transition: all 0.3s ease;
  background: linear-gradient(to top, rgba(58, 134, 255, 0.9), rgba(131, 56, 236, 0.9));
}

.social-icon {
  transition: all 0.3s ease;
}

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

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

@keyframes floating {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(58, 134, 255, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(58, 134, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(58, 134, 255, 0); }
}

.dark .bg-gray-50 {
  background-color: #1a1a1a;
}

.dark .bg-white {
  background-color: #2d3748;
}

.dark .text-gray-600 {
  color: #a0aec0;
}

.dark .text-gray-900 {
  color: #f7fafc;
}

.dark .text-gray-700 {
  color: #cbd5e0;
}

.dark .border-gray-300 {
  border-color: #4a5568;
}

.dark .bg-blue-100 {
  background-color: #2c5282;
}

.dark .text-blue-800 {
  color: #bee3f8;
}

.dark .bg-purple-100 {
  background-color: #553c9a;
}

.dark .text-purple-800 {
  color: #e9d8fd;
}

.dark .bg-green-100 {
  background-color: #276749;
}

.dark .text-green-800 {
  color: #c6f6d5;
}

.dark .bg-orange-100 {
  background-color: #9c4221;
}

.dark .text-orange-800 {
  color: #feebc8;
}

.dark .bg-yellow-100 {
  background-color: #744210;
}

.dark .text-yellow-800 {
  color: #fefcbf;
}

.dark .bg-red-100 {
  background-color: #742a2a;
}

.dark .text-red-800 {
  color: #fed7d7;
}

.dark .bg-gray-100 {
  background-color: #4a5568;
}

.dark .text-gray-600 {
  color: #cbd5e0;
}

.dark .bg-white\/90 {
  background-color: rgba(45, 55, 72, 0.9);
}

.dark .shadow-lg {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
}

.dark .shadow-sm {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
}

.dark .border {
  border-color: #4a5568;
}

.dark-mode-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  border-radius: 15px;
  background: #4a5568;
  cursor: pointer;
  transition: background 0.3s ease;
}

.dark-mode-toggle:hover {
  background: #2d3748;
}

.dark-mode-toggle::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #f8f9fa;
  transition: transform 0.3s ease;
}

.dark .dark-mode-toggle {
  background: var(--primary);
}

.dark .dark-mode-toggle::before {
  transform: translateX(30px);
  background: #f8f9fa;
}

.dark-mode-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dark-mode-label {
  font-size: 0.875rem;
  color: var(--dark);
}

.dark .dark-mode-label {
  color: var(--light);
}

.cv-button {
  background: linear-gradient(135deg, #ff006e, #ff7b25);
  color: white;
  transition: all 0.3s ease;
}

.cv-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(255, 0, 110, 0.2);
}

.cv-button i {
  margin-right: 8px;
}