/* Base styles and custom properties for theming */
:root {
  /* Dark Theme Defaults */
  --bg-primary: #111827; /* gray-900 */
  --bg-secondary: #1f2937; /* gray-800 */
  --text-primary: #f9fafb; /* gray-50 */
  --text-secondary: #d1d5db; /* gray-300 */
  --text-tertiary: #9ca3af; /* gray-400 */
  --border-color: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --accent-color: #4f46e5; /* indigo-600 */
  --accent-light: #6366f1; /* indigo-500 */
  --gradient-start: #667eea;
  --gradient-end: #764ba2;
  --skill-bar-bg: rgba(255, 255, 255, 0.1);
  --form-input-bg: rgba(255, 255, 255, 0.05);
  --form-input-border: rgba(255, 255, 255, 0.2);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --footer-bg: #111827; /* gray-900 */
  --footer-border: #374151; /* gray-700 */
}

/* Light Theme Overrides */
body[data-theme="light"] {
  --bg-primary: #f9fafb; /* gray-50 */
  --bg-secondary: #ffffff; /* white */
  --text-primary: #111827; /* gray-900 */
  --text-secondary: #374151; /* gray-700 */
  --text-tertiary: #6b7280; /* gray-500 */
  --border-color: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
  --accent-color: #4f46e5; /* indigo-600 */
  --accent-light: #6366f1; /* indigo-500 */
  --gradient-start: #4f46e5;
  --gradient-end: #7c3aed;
  --skill-bar-bg: rgba(0, 0, 0, 0.1);
  --form-input-bg: rgba(0, 0, 0, 0.05);
  --form-input-border: rgba(0, 0, 0, 0.2);
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(0, 0, 0, 0.1);
  --footer-bg: #e5e7eb; /* gray-200 */
  --footer-border: #d1d5db; /* gray-300 */
}

/* Apply CSS variables to Tailwind classes */
body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-light);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Glassmorphism effect */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  transition: background 0.3s ease, border-color 0.3s ease;
}

/* Gradient backgrounds */
.gradient-bg {
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Animations */
/* Initial state for elements that will animate in */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-on-scroll.fade-in-left {
  transform: translateX(-30px);
}
.animate-on-scroll.fade-in-left.is-visible {
  transform: translateX(0);
}

.animate-on-scroll.fade-in-right {
  transform: translateX(30px);
}
.animate-on-scroll.fade-in-right.is-visible {
  transform: translateX(0);
}

@keyframes pulse-custom {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-pulse-custom {
  animation: pulse-custom 2s infinite;
}

/* Loading spinner */
.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(79, 70, 229, 0.3);
  border-top: 4px solid var(--accent-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 15px var(--accent-color); /* Added glow */
}

/* Hover effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Skill bars */
.skill-bar {
  height: 8px;
  background: var(--skill-bar-bg);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-color), var(--gradient-end));
  border-radius: 4px;
  transition: width 1s ease-in-out;
  position: relative;
}

.skill-progress::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Project cards */
.project-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  transition: all 0.3s ease;
}

.project-card:hover {
  background: rgba(255, 255, 255, 0.08); /* Slightly lighter on hover */
  border-color: var(--accent-color);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Testimonial cards (now Services cards) */
.service-card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--card-border);
  transition: all 0.3s ease;
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-color);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Animations and Transitions */
.fade-enter-active, .fade-leave-active {
  transition: opacity 0.3s ease;
}

.fade-enter-from, .fade-leave-to {
  opacity: 0;
}

/* Enhanced hover effects for light mode */
body[data-theme="light"] .service-card:hover,
body[data-theme="light"] .project-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Form styles */
.form-input {
  background: var(--form-input-bg);
  border: 1px solid var(--form-input-border);
  color: var(--text-primary); /* Ensure text color adapts */
  transition: all 0.3s ease;
}

.form-input:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Button styles */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--gradient-end));
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-light), var(--gradient-end));
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

/* Section spacing */
.section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  .section {
    padding: 3rem 0;
  }
}

/* Scroll-to-top button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--accent-color);
  color: white;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: opacity 0.3s ease, transform 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  z-index: 100;
}

.scroll-to-top.show {
  opacity: 1;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}