/* =============================================================================
   CSS Custom Properties (Variables)
   ============================================================================= */
:root {
  /* Colors */
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #06b6d4;
  --accent-color: #f59e0b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;

  /* Text Colors */
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --text-white: #ffffff;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-dark: #111827;
  --bg-card: #ffffff;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Typography */
  --font-family: "Poppins", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-tooltip: 1070;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --bg-primary: #111827;
  --bg-secondary: #1f2937;
  --bg-tertiary: #374151;
  --bg-card: #1f2937;
}

/* =============================================================================
   Reset and Base Styles
   ============================================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-normal),
    color var(--transition-normal);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
}

ul {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

/* =============================================================================
    Utility Classes
    ============================================================================= */

/* Screen reader only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visible for better accessibility */
.social-link:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  overflow: visible;
}

.highlight {
  color: #0bf565;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-weight: 500;
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  border: 2px solid var(--primary-color);
  color: var(--primary-dark);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-4xl);
}

.section-title {
  font-size: var(--font-size-4x1);
  font-weight: 700;
  margin-bottom: var(--spacing-lg-4x2);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================================================
   Navigation
   ============================================================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

[data-theme="dark"] .navbar {
  background: rgba(17, 24, 39, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Dark mode mobile menu toggle contrast fix */
[data-theme="dark"] .mobile-menu-toggle span {
  background: var(--text-white);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .mobile-menu-toggle:hover span {
  background: var(--primary-color);
  box-shadow: 0 0 0 1px var(--primary-color);
}

/* Enhanced focus states for mobile menu toggle */
.mobile-menu-toggle:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

[data-theme="dark"] .mobile-menu-toggle:focus {
  outline-color: var(--text-white);
}

/* Mobile menu background contrast in dark mode */
[data-theme="dark"] .nav-menu {
  background: rgba(17, 24, 39, 0.98);
  backdrop-filter: blur(15px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.brand-text {
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  position: relative;
  transition: all var(--transition-normal);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

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

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.theme-toggle:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: scale(1.1);
}

/* Enhanced theme toggle contrast in dark mode */
[data-theme="dark"] .theme-toggle {
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .theme-toggle:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.3);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  width: 30px;
  height: 20px;
  justify-content: space-between;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-normal);
}

/* =============================================================================
   Hero Section
   ============================================================================= */
.hero {
  margin-top: 25px;
  min-height: 100vh;
  display: flex;
  max-height: fit-content;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: visible;
  padding: var(--spacing-2xl) 0;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
}

.hero-particles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
      circle at 20% 50%,
      rgba(255, 255, 255, 0.3) 1px,
      transparent 1px
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 255, 255, 0.3) 1px,
      transparent 1px
    ),
    radial-gradient(
      circle at 40% 80%,
      rgba(255, 255, 255, 0.3) 1px,
      transparent 1px
    );
  background-size: 100px 100px, 150px 150px, 120px 120px;
  animation: float 20s ease-in-out infinite;
}

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

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 2;
  max-width: 100%;
  overflow: visible;
  min-height: auto;
}

.hero-text {
  color: var(--text-white);
  max-width: 100%;
  overflow: visible;
  padding: var(--spacing-lg) 0;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 100%;
  white-space: normal;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  min-height: 60px;
}
span.hero-subtitle-highlight {
  color: #0bf565;
}
.typed-text {
  color: var(--accent-color);
  font-weight: 600;
}

.cursor {
  display: inline-block;
  background-color: var(--accent-color);
  margin-left: 3px;
  width: 3px;
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.image-container {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-2xl);
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0.1;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
}

.scroll-arrow {
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* =============================================================================
   About Section
   ============================================================================= */
.about {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-text h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-lg);
  color: var(--primary-color);
}

.about-text p {
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.stat {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

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

.stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.about-image .image-container {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

/* =============================================================================
   Skills Section
   ============================================================================= */
.skills {
  padding: var(--spacing-4xl) 0;
}

.skills-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.skills-category {
  background: var(--bg-card);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.skills-category:hover {
  transform: translateY(-5px);
}

.skills-category h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  color: var(--primary-color);
  text-align: center;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.skill-item i {
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  width: 40px;
}

.skill-item span {
  font-weight: 500;
  flex: 1;
}

.skill-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-lg);
}

.skill-progress {
  flex: 2;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1s ease-in-out;
}

/* =============================================================================
   Projects Section
   ============================================================================= */
.projects {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 2px solid transparent;
  font-weight: 500;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-2px);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.project-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

.project-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.project-link {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  transition: transform var(--transition-normal);
}

.project-link:hover {
  transform: scale(1.1);
}

.project-content {
  padding: var(--spacing-xl);
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
}

.tech-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  font-weight: 500;
}

.load-more-container {
  text-align: center;
}

/* =============================================================================
   Experience Section
   ============================================================================= */
.experience {
  padding: var(--spacing-4xl) 0;
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: var(--spacing-3xl);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  margin-right: var(--spacing-2xl);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: var(--spacing-2xl);
}

.timeline-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-lg);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: var(--shadow-lg);
  margin-left: 25px;
}

.timeline-content {
  flex: 1;
  background: var(--bg-card);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-5px);
}

.timeline-content h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
  margin-top: 15px;
}

.timeline-content h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.timeline-date {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gradient-primary);
  color: var(--text-white);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

/* =============================================================================
   Testimonials Section
   ============================================================================= */
.testimonials {
  padding: var(--spacing-4xl) 0;
  background: var(--bg-secondary);
  position: relative;
}

.testimonials-slider {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-card {
  background: var(--bg-card);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  display: none;
}

.testimonial-card.active {
  display: block;
  animation: fadeInUp 0.5s ease-in-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.testimonial-text {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
  font-style: italic;
  position: relative;
}

.testimonial-text::before,
.testimonial-text::after {
  content: '"';
  font-size: var(--font-size-4xl);
  color: var(--primary-color);
  position: absolute;
  top: -10px;
}

.testimonial-text::before {
  left: -20px;
}

.testimonial-text::after {
  right: -20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.author-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--primary-color);
}

.author-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.author-info p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.slider-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.slider-btn {
  width: 50px;
  height: 50px;
  background: var(--bg-card);
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.slider-btn:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: scale(1.1);
}

/* =============================================================================
   Contact Section
   ============================================================================= */
.contact {
  padding: var(--spacing-4xl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.contact-item:hover {
  transform: translateY(-5px);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: var(--font-size-lg);
}

.contact-details h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--primary-color);
}

.contact-details p {
  color: var(--text-secondary);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.social-link {
  width: 50px;
  height: 50px;
  background: var(--bg-tertiary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  text-decoration: none;
}

/* Platform-specific colors and hover effects */
.social-link:hover {
  transform: translateY(-3px) scale(1.05);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.social-link:active {
  transform: translateY(-1px) scale(1.02);
}

/* WhatsApp specific styling */
.whatsapp-link {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: var(--text-white);
}

.whatsapp-link:hover {
  background: linear-gradient(135deg, #128c7e, #075e54);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

/* GitHub specific styling */
.github-link {
  background: linear-gradient(135deg, #333, #24292e);
  color: var(--text-white);
}

.github-link:hover {
  background: linear-gradient(135deg, #24292e, #1a1e22);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Twitter/X specific styling */
.twitter-link {
  background: linear-gradient(135deg, #1da1f2, #0d95e8);
  color: var(--text-white);
}

.twitter-link:hover {
  background: linear-gradient(135deg, #0d95e8, #0a7abf);
  box-shadow: 0 8px 25px rgba(29, 161, 242, 0.3);
}

/* Instagram specific styling */
.instagram-link {
  background: linear-gradient(135deg, #e4405f, #d6336c, #bc2a8d);
  color: var(--text-white);
}

.instagram-link:hover {
  background: linear-gradient(135deg, #d6336c, #bc2a8d, #9c27b0);
  box-shadow: 0 8px 25px rgba(228, 64, 95, 0.3);
}

/* TikTok specific styling */
.tiktok-link {
  background: linear-gradient(135deg, #000000, #333333);
  color: var(--text-white);
}

.tiktok-link:hover {
  background: linear-gradient(135deg, #333333, #000000);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* Loading state for social links */
.social-link.loading {
  opacity: 0.6;
  pointer-events: none;
}

.social-link.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Error state styling */
.social-link.error {
  background: var(--error-color);
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

/* Success state styling */
.social-link.success {
  animation: pulse 0.6s ease-in-out;
}

/* Responsive design for social links */
@media (max-width: 768px) {
  .social-links {
    gap: var(--spacing-sm);
    justify-content: center;
  }

  .social-link {
    width: 45px;
    height: 45px;
    font-size: var(--font-size-base);
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .social-link {
    transition: none;
  }

  .social-link:hover {
    transform: none;
  }

  .social-link.loading::after {
    animation: none;
  }

  .social-link.error,
  .social-link.success {
    animation: none;
  }
}

.contact-form {
  background: var(--bg-card);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-md);
  border: 2px solid var(--bg-tertiary);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group label {
  position: absolute;
  top: 50%;
  left: var(--spacing-md);
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
  transition: all var(--transition-normal);
  background: var(--bg-primary);
  padding: 0 var(--spacing-xs);
}

.form-group textarea + label {
  top: var(--spacing-lg);
  transform: translateY(0);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
  top: 0;
  transform: translateY(-50%);
  font-size: var(--font-size-sm);
  color: var(--primary-color);
}

/* Error handling styles */
.error-message {
  color: var(--error-color);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
  min-height: 1.2em;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.error-message.show {
  opacity: 1;
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-status {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 500;
  min-height: 2.4em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-status.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-status.error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: var(--spacing-xs);
}

/* Enhanced focus states for accessibility */
.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
  }

  [data-aos] {
    transition: none !important;
  }
}

/* =============================================================================
   Footer
   ============================================================================= */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--text-white);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-normal);
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.footer-section .social-links {
  margin-top: 0;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
}

/* =============================================================================
   Animations
   ============================================================================= */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* =============================================================================
   Loading Animation
   ============================================================================= */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow);
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader {
  width: 50px;
  height: 50px;
  border: 3px solid var(--bg-tertiary);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}