/* Modern CV Styling - 2024 Edition */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

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

:root {
  /* Light Mode Colors */
  --primary: #0A0E27;
  --secondary: #6366F1;
  --accent: #8B5CF6;
  --gradient-1: #6366F1;
  --gradient-2: #8B5CF6;
  --gradient-3: #EC4899;
  --text: #1E293B;
  --text-secondary: #64748B;
  --bg: #F8FAFC;
  --card-bg: #FFFFFF;
  --border: #E2E8F0;
  --shadow: rgba(99, 102, 241, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.7);
}

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Dark Mode */
body.dark-mode {
  --primary: #F8FAFC;
  --secondary: #818CF8;
  --accent: #A78BFA;
  --text: #F1F5F9;
  --text-secondary: #94A3B8;
  --bg: #0F172A;
  --card-bg: #1E293B;
  --border: #334155;
  --shadow: rgba(139, 92, 246, 0.2);
  --glass-bg: rgba(30, 41, 59, 0.7);
}

/* Animated Background Gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
  z-index: -1;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

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

/* Header with Glassmorphism */
.header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 4rem);
  max-width: 1200px;
  height: 80px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 24px;
  z-index: 1000;
  box-shadow: 0 8px 32px var(--shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.header:hover {
  box-shadow: 0 12px 48px var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Modern Buttons */
.theme-toggle,
.download-btn {
  position: relative;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  background: var(--card-bg);
  color: var(--text);
  border: 2px solid var(--border);
}

.theme-toggle:hover {
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
}

.download-btn {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  color: white;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.download-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gradient-2), var(--gradient-3));
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
  border-radius: 12px;
}

.download-btn:hover::before {
  opacity: 1;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(99, 102, 241, 0.3);
}

body {
  padding-top: 140px;
}

/* Section Spacing */
section {
  margin-bottom: 4rem;
}

.card {
  margin-bottom: 2rem;
}

/* Profile Card with Holographic Effect */
.profile-card {
  position: relative;
  text-align: center;
  padding: 4rem 2rem;
  margin: 2rem 0;
  background: var(--card-bg);
  border-radius: 32px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 8px 32px var(--shadow);
}

.profile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(99, 102, 241, 0.05) 25%,
    rgba(139, 92, 246, 0.05) 50%,
    rgba(236, 72, 153, 0.05) 75%,
    transparent 100%
  );
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}

.profile-image {
  position: relative;
  display: inline-block;
  margin-bottom: 2rem;
}

.profile-image::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(45deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  border-radius: 50%;
  z-index: -1;
  animation: rotate 3s linear infinite;
}

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

.profile-image img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 6px solid var(--card-bg);
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.profile-card h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.profile-card .title {
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 1rem;
}

.location {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 500;
  font-size: 1rem;
}

.location i {
  color: var(--secondary);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.social-links a {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 14px;
  color: var(--text-secondary);
  font-size: 1.3rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-links a:hover {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  border-color: transparent;
  color: white;
  transform: translateY(-4px) rotate(5deg);
  box-shadow: 0 8px 24px var(--shadow);
}

/* Professional Summary */
.summary-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text);
  text-align: justify;
}

/* Grid Layout */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Modern Cards with Neumorphism Touches */
.card {
  background: var(--card-bg);
  padding: 2.5rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px var(--shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--gradient-1), transparent);
  opacity: 0.1;
  border-radius: 0 24px 0 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 48px var(--shadow);
  border-color: var(--secondary);
}

.card h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.card h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2));
  border-radius: 4px;
}

/* Education Content */
.education-content h3 {
  color: var(--text);
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 1.2rem;
}

.education-content p {
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.education-content .timeline-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  font-weight: 500;
}

/* Skill Badges with Gradient Borders */
.skill-group {
  margin-bottom: 2rem;
}

.skill-group h3 {
  color: var(--text);
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.badge {
  position: relative;
  padding: 0.6rem 1.2rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--bg);
  color: var(--text);
  border: 2px solid var(--border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.badge:hover {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  border-color: transparent;
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 20px var(--shadow);
}

/* Modern Timeline */
.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  border-radius: 3px;
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
  padding-left: 2rem;
}

.timeline-marker {
  position: absolute;
  left: -1.5rem;
  top: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  border: 4px solid var(--card-bg);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg);
  transition: all 0.3s;
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.3);
  box-shadow: 0 0 0 8px var(--bg), 0 0 20px var(--secondary);
}

.timeline-content {
  background: var(--bg);
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.timeline-item:hover .timeline-content {
  background: var(--card-bg);
  border-color: var(--secondary);
  transform: translateX(8px);
  box-shadow: 0 8px 24px var(--shadow);
}

.timeline-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.timeline-date {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.timeline-content ul {
  margin-left: 1rem;
  margin-top: 0.75rem;
}

.timeline-content li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.project-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  transform: scaleX(0);
  transition: transform 0.3s;
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  border-color: var(--secondary);
  transform: translateY(-8px);
  box-shadow: 0 12px 40px var(--shadow);
}

.project-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

.project-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.github-link {
  margin-top: auto;
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s;
}

.github-link:hover {
  gap: 0.75rem;
  color: var(--accent);
}

/* Certifications with Badge Style */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.cert-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.cert-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  opacity: 0;
  transition: opacity 0.3s;
}

.cert-card:hover::before {
  opacity: 0.05;
}

.cert-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--secondary);
  box-shadow: 0 12px 40px var(--shadow);
}

.cert-card img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  position: relative;
  z-index: 1;
}

.cert-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.cert-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  position: relative;
  z-index: 1;
}

.cert-card .issuer {
  margin-bottom: 0.5rem;
}

.credly-link {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s;
  position: relative;
  z-index: 1;
}

.credly-link:hover {
  color: var(--accent);
  gap: 0.75rem;
}

/* Contact Cards */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-card:hover {
  border-color: var(--secondary);
  transform: translateX(8px);
  box-shadow: 0 8px 24px var(--shadow);
}

.contact-card p {
  margin: 0;
  color: var(--text);
}

.contact-card a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.contact-card a:hover {
  color: var(--accent);
}

/* Footer */
.footer {
  text-align: center;
  padding: 3rem 0;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  background: var(--card-bg);
}

.footer p {
  font-size: 0.95rem;
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 968px) {
  .header {
    width: calc(100% - 2rem);
    top: 0.5rem;
  }
  
  .profile-card h1 {
    font-size: 2.5rem;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  
  .certifications-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    padding-top: 180px;
  }
  
  .header {
    height: auto;
    padding: 1rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: 1rem;
    padding: 0;
  }
  
  .header-actions {
    width: 100%;
    flex-direction: column;
  }
  
  .theme-toggle,
  .download-btn {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
  }
  
  .profile-card {
    padding: 3rem 1.5rem;
  }
  
  .profile-card h1 {
    font-size: 2rem;
  }
  
  .profile-card .title {
    font-size: 1.2rem;
  }
  
  .profile-image img {
    width: 140px;
    height: 140px;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .card h2 {
    font-size: 1.5rem;
  }
  
  .timeline {
    padding-left: 2rem;
  }
  
  .timeline-item {
    padding-left: 1.5rem;
  }
  
  .timeline-marker {
    left: -1rem;
    width: 20px;
    height: 20px;
  }
  
  .social-links {
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  
  .social-links a {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
  
  .badges {
    gap: 0.5rem;
  }
  
  .badge {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .project-card {
    padding: 1.5rem;
  }
  
  .cert-card {
    padding: 1.5rem;
  }
  
  .contact-card {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .summary-text {
    font-size: 1rem;
    text-align: left;
  }
  
  .location {
    font-size: 0.9rem;
  }
}

/* Additional Mobile Optimizations */
@media (max-width: 480px) {
  .profile-card h1 {
    font-size: 1.75rem;
  }
  
  .profile-card .title {
    font-size: 1.1rem;
  }
  
  .profile-image img {
    width: 120px;
    height: 120px;
  }
  
  .card {
    padding: 1.25rem;
  }
  
  .card h2 {
    font-size: 1.3rem;
  }
  
  .timeline-content {
    padding: 1rem;
  }
  
  .project-card {
    padding: 1.25rem;
  }
  
  .cert-card {
    padding: 1.25rem;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
    padding-top: 0;
  }
  
  .header {
    display: none;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
  
  .profile-card::before,
  .card::after,
  body::before {
    display: none;
  }
  
  .timeline-marker {
    box-shadow: none;
  }
  
  .social-links a:hover,
  .badge:hover,
  .project-card:hover,
  .cert-card:hover,
  .contact-card:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --shadow: rgba(0, 0, 0, 0.3);
    --border: #000;
  }
  
  body.dark-mode {
    --shadow: rgba(255, 255, 255, 0.3);
    --border: #fff;
  }
}

/* Focus States for Accessibility */
.theme-toggle:focus,
.download-btn:focus,
.social-links a:focus,
.github-link:focus,
.credly-link:focus,
.contact-card a:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

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

/* Selection Colors */
::selection {
  background: var(--secondary);
  color: white;
}

::-moz-selection {
  background: var(--secondary);
  color: white;
}

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

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

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

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

/* Dark mode scrollbar */
body.dark-mode ::-webkit-scrollbar-track {
  background: var(--bg);
}

body.dark-mode ::-webkit-scrollbar-thumb {
  background: var(--border);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}