/* Modern Professional Portfolio Styles */

:root {
  /* Professional Color Scheme */
  --primary-color: #334155;
  --secondary-color: #1e293b;
  --accent-color: #0f766e;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-accent: #f1f5f9;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --font-heading: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Borders */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Enhanced Scroll Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes simpleSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  animation: simpleSlideIn 0.4s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  font-size: 16px;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary-color);
}

/* Modern Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-sm) 0;
  transition: all 0.2s ease;
}

/* Mobile Navigation Enhancements */
@media (max-width: 991px) {
  .navbar-toggler {
    border: none;
    padding: var(--space-sm);
    font-size: 1.5rem;
  }
  
  .navbar-toggler:focus {
    box-shadow: none;
  }
  
  .navbar-collapse {
    background: var(--bg-primary);
    margin-top: var(--space-sm);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
  }
  
  .navbar-nav {
    padding: var(--space-sm) 0;
  }
  
  .navbar-nav .nav-item {
    border-bottom: 1px solid var(--border-color);
  }
  
  .navbar-nav .nav-item:last-child {
    border-bottom: none;
  }
  
  .navbar-nav .nav-link {
    padding: var(--space-md) var(--space-lg) !important;
    transition: all 0.2s ease;
  }
  
  .navbar-nav .nav-link:hover {
    background: var(--bg-accent);
    padding-left: calc(var(--space-lg) + 10px) !important;
  }
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.nav-link {
  font-weight: 500;
  color: var(--text-primary) !important;
  padding: var(--space-xs) var(--space-md) !important;
  border-radius: var(--border-radius-md);
  transition: all 0.15s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--primary-color) !important;
  background-color: var(--bg-accent);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
  padding: var(--space-2xl) 0;
  margin-top: 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.hero-text {
  padding-right: var(--space-lg);
}

.hero-greeting {
  font-size: 1.25rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.hero-name {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.1;
}

.hero-title {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  font-weight: 500;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.hero-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  border: 4px solid var(--bg-primary);
  box-shadow: var(--shadow-xl);
  transition: transform 0.3s ease;
  display: block;
  position: relative;
  z-index: 1;
}

.hero-image:hover {
  transform: scale(1.02);
}

/* Ensure hero image stays in position */
.hero-image {
  will-change: transform;
}

.hero-image[style*="transform"] {
  transform: none !important;
}

/* CTA Buttons */
.cta-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.btn-primary-custom {
  background-color: var(--primary-color);
  color: white;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: all 0.15s ease;
  border: 2px solid var(--primary-color);
}

.btn-primary-custom:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary-custom {
  background-color: transparent;
  color: var(--primary-color);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: all 0.15s ease;
  border: 2px solid var(--primary-color);
}

.btn-secondary-custom:hover {
  background-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Section Styles */
.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background-color: var(--bg-secondary);
}

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
  margin: var(--space-md) auto 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.project-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.2s ease;
  border: 1px solid var(--border-color);
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--bg-accent);
}

.project-content {
  padding: var(--space-lg);
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

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

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

.tech-tag {
  background-color: var(--bg-accent);
  color: var(--primary-color);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: var(--space-md);
}

.project-link {
  color: var(--primary-color);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: color 0.3s ease;
}

.project-link:hover {
  color: var(--secondary-color);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-2xl);
  align-items: start;
}

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

.about-image {
  width: 300px;
  height: 300px;
  border-radius: var(--border-radius-xl);
  object-fit: cover;
  object-position: center;
  box-shadow: var(--shadow-lg);
  display: block;
}

.about-text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

.skills-section {
  margin-top: var(--space-xl);
  position: relative;
  padding: var(--space-lg);
  border-radius: var(--border-radius-xl);
  background: linear-gradient(135deg, rgba(51, 65, 85, 0.02), rgba(15, 118, 110, 0.05));
  overflow: hidden;
}

/* Removed shimmer animation for professional look */

.skills-section > * {
  position: relative;
  z-index: 1;
}

.skills-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-md);
  perspective: 1000px;
}

.skill-item {
  background-color: var(--bg-accent);
  color: var(--text-primary);
  padding: var(--space-md) var(--space-sm);
  border-radius: var(--border-radius-lg);
  text-align: center;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px) scale(0.9);
  animation: none;
}

/* Simplified professional skill items */
.skill-item.animate-skill {
  animation: simpleSlideIn 0.2s ease forwards;
}

/* Minimal professional hover */
.skill-item:hover {
  background: var(--primary-color);
  color: white !important;
  border-color: var(--primary-color);
  opacity: 1 !important;
  visibility: visible !important;
}

/* Simplified skill item design - removed complex animations */

/* Ensure skill items stay visible */
.skill-item.animate-skill {
  opacity: 1 !important;
  visibility: visible !important;
}

/* Removed staggered animation delays for professional look */

/* Experience Section */
.experience-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.experience-timeline::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
}

.experience-item {
  position: relative;
  padding-left: 80px;
  margin-bottom: var(--space-2xl);
}

.experience-item::before {
  content: '';
  position: absolute;
  left: 21px;
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--primary-color);
  border: 4px solid var(--bg-primary);
  box-shadow: 0 0 0 4px var(--border-color);
}

.experience-content {
  background-color: var(--bg-primary);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.experience-header {
  margin-bottom: var(--space-md);
}

.experience-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.experience-company {
  font-size: 1.125rem;
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.experience-date {
  color: var(--text-light);
  font-size: 0.875rem;
  font-weight: 500;
}

.experience-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

.experience-highlights {
  list-style: none;
  margin-top: var(--space-md);
}

.experience-highlights li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.experience-highlights li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  max-width: 800px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--bg-accent);
  border-radius: var(--border-radius-lg);
  transition: all 0.2s ease;
}

.contact-item:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.contact-item:hover .contact-icon {
  color: white;
}

.contact-item:hover .contact-text {
  color: white;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-top: 2px;
  transition: color 0.3s ease;
}

.contact-text {
  flex: 1;
}

.contact-label {
  font-weight: 600;
  color: var(--text-primary);
  display: block;
  margin-bottom: var(--space-xs);
  transition: color 0.3s ease;
}

.contact-value {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

/* Social Links */
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--bg-accent);
  color: var(--primary-color);
  border-radius: 50%;
  font-size: 1.25rem;
  transition: all 0.15s ease;
  text-decoration: none;
}

.social-link:hover {
  background-color: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Footer */
.footer {
  background-color: var(--text-primary);
  color: white;
  text-align: center;
  padding: var(--space-lg) 0;
}

/* Achievement Cards */
.achievement-card {
  background: var(--bg-primary);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  height: 100%;
  transition: all 0.2s ease;
}

.achievement-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.achievement-card h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.achievement-card p {
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Certification Links */
.certification-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-md);
  transition: all 0.15s ease;
}

.certification-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Profile Links */
.profile-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.profile-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--bg-accent);
  border-radius: var(--border-radius-lg);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
}

.profile-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Professional Skills Categories */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.skill-category {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  transition: border-color 0.2s ease;
}

.skill-category:hover {
  border-color: var(--primary-color);
}

.category-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: var(--space-xs);
}

.category-title i {
  color: var(--primary-color);
  font-size: 1rem;
  width: 16px;
  text-align: center;
}

.skill-category .skills-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-sm);
  position: relative;
  z-index: 1;
}

.skill-category .skill-item {
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-accent);
  border: 1px solid transparent;
  font-weight: 500;
  text-align: center;
  border-radius: var(--border-radius-md);
  transition: all 0.2s ease;
}

.skill-category .skill-item:hover {
  background: var(--primary-color);
  color: white;
}

/* Education */
.education-section {
  margin-top: var(--space-xl);
}

.education-item {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--bg-accent);
  border-radius: var(--border-radius-lg);
  transition: all 0.2s ease;
}

.education-item:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.education-item:hover h4,
.education-item:hover p {
  color: white;
}

.education-item h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
  font-weight: 600;
}

.education-item p {
  margin-bottom: var(--space-xs);
  color: var(--text-secondary);
}

.education-item p.text-muted {
  font-size: 0.95rem;
  font-weight: 500;
}

/* Enhanced Mobile Responsive Design */
@media (max-width: 768px) {
  /* Global Mobile Optimizations */
  .container-custom {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .section-title {
    font-size: 2rem;
    margin-bottom: var(--space-md);
  }
  
  .section-subtitle {
    font-size: 1rem;
    margin-bottom: var(--space-lg);
  }
  
  /* Hero Section - Mobile Optimized */
  .hero-section {
    min-height: auto;
    padding: calc(var(--space-2xl) + 60px) 0 var(--space-2xl);
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  
  .hero-name {
    font-size: 2.5rem;
    line-height: 1.2;
  }
  
  .hero-title {
    font-size: 1.25rem;
  }
  
  .hero-description {
    font-size: 1rem;
    line-height: 1.6;
  }
  
  .hero-image {
    width: 280px;
    height: 280px;
    object-fit: cover;
    object-position: center;
    position: relative;
    transform: none !important;
  }
  
  .cta-buttons {
    justify-content: center;
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .btn-primary-custom,
  .btn-secondary-custom {
    width: 100%;
    max-width: 300px;
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
  }
  
  /* About Section */
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: left;
  }
  
  .about-text {
    font-size: 1rem;
    line-height: 1.7;
  }
  
  /* Skills Section */
  .skills-categories {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .skill-category {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }
  
  .skill-category .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-sm);
  }
  
  .category-title {
    font-size: 0.95rem;
    padding-bottom: var(--space-xs);
  }
  
  /* Experience Section */
  .experience-timeline::before {
    left: 20px;
  }
  
  .experience-item {
    padding-left: 50px;
    margin-bottom: var(--space-xl);
  }
  
  .experience-item::before {
    left: 11px;
    width: 16px;
    height: 16px;
  }
  
  .experience-title {
    font-size: 1.125rem;
  }
  
  .experience-company {
    font-size: 1rem;
  }
  
  .experience-highlights li {
    font-size: 0.95rem;
    padding-left: var(--space-md);
  }
  
  /* Projects Section */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .project-card {
    padding: var(--space-lg);
  }
  
  /* Contact Section */
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .contact-item {
    padding: var(--space-md);
  }
  
  .social-links {
    flex-wrap: wrap;
    gap: var(--space-md);
  }
  
  .social-link {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }
  
  /* Navigation */
  .navbar-nav {
    text-align: center;
  }
  
  .nav-link {
    padding: var(--space-sm) !important;
    font-size: 1rem !important;
  }
}

/* Extra Small Mobile Devices */
@media (max-width: 480px) {
  /* Global */
  .container-custom {
    padding: 0 var(--space-sm);
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 0.95rem;
  }
  
  /* Hero */
  .hero-section {
    padding: calc(var(--space-xl) + 60px) 0 var(--space-xl);
  }
  
  .hero-name {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
  }
  
  .hero-title {
    font-size: 1.125rem;
  }
  
  .hero-description {
    font-size: 0.95rem;
  }
  
  .hero-image {
    width: 240px;
    height: 240px;
    object-fit: cover;
    object-position: center;
    position: relative;
    transform: none !important;
  }
  
  .btn-primary-custom,
  .btn-secondary-custom {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.95rem;
    width: 100%;
  }
  
  /* Experience */
  .experience-timeline::before {
    left: 15px;
  }
  
  .experience-item {
    padding-left: 45px;
  }
  
  .experience-item::before {
    left: 7px;
    width: 14px;
    height: 14px;
  }
  
  .experience-title {
    font-size: 1.05rem;
  }
  
  .experience-company {
    font-size: 0.95rem;
  }
  
  .experience-date {
    font-size: 0.8rem;
  }
  
  .experience-highlights li {
    font-size: 0.9rem;
    line-height: 1.6;
  }
  
  /* Skills */
  .skill-category .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: var(--space-xs);
  }
  
  .skill-item {
    padding: var(--space-sm);
    font-size: 0.85rem;
  }
  
  .category-title {
    font-size: 0.9rem;
  }
  
  /* Projects */
  .project-card {
    padding: var(--space-md);
  }
  
  .project-card h3 {
    font-size: 1.125rem;
  }
  
  /* Contact */
  .contact-item {
    padding: var(--space-sm);
    flex-direction: column;
    text-align: center;
  }
  
  .contact-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
  }
  
  .social-link {
    width: 45px;
    height: 45px;
    font-size: 1.125rem;
  }
  
  /* Education */
  .education-item {
    padding: var(--space-sm);
  }
  
  .education-item h4 {
    font-size: 1rem;
  }
  
  .education-item p {
    font-size: 0.9rem;
  }
  
  /* Profile Links */
  .profile-links {
    grid-template-columns: 1fr;
  }
  
  /* Achievements */
  .achievement-card {
    padding: var(--space-md);
  }
  
  .achievement-card h4 {
    font-size: 1rem;
  }
  
  .achievement-card p {
    font-size: 0.9rem;
  }
}

/* ==================================================================
   PERFORMANCE OPTIMIZED STYLES - Moved from inline for better caching
   ================================================================== */

/* Professional Loading Screen */
.loading-screen {
  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 0.3s ease, visibility 0.3s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

.loading-text {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

/* Enhanced Footer */
.modern-footer {
  background: var(--text-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section {
  min-width: 0;
}

.footer-title {
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.footer-description {
  line-height: 1.6;
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-social-link:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.footer-link:hover {
  color: white;
  padding-left: 5px;
}

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

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

.footer-bottom p {
  margin: var(--space-xs) 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-credits {
  color: rgba(255, 255, 255, 0.5);
}

.footer-credits i {
  color: #e74c3c;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* Achievement Cards */
.achievement-card {
  background: var(--bg-primary);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  height: 100%;
  transition: all 0.3s ease;
}

.achievement-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.achievement-card h4 {
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.achievement-card p {
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Modern Certifications Styling */
.certifications-section {
  margin-top: var(--space-2xl);
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-accent) 100%);
  border-radius: var(--border-radius-xl);
}

.certifications-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.certifications-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: var(--space-xl);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.certification-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.certification-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.certification-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.certification-card:hover::before {
  opacity: 1;
}

.cert-icon-wrapper {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.cert-icon-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}

.certification-card:hover .cert-icon-wrapper::before {
  animation: shimmer 1.5s ease-in-out;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); opacity: 0; }
}

.cert-icon {
  font-size: 1.5rem;
  color: white;
  z-index: 2;
  position: relative;
}

.cert-content {
  text-align: center;
}

.cert-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.cert-provider {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.cert-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  transition: all 0.2s ease;
}

.cert-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-1px);
}

/* Profile Links */
.profile-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.profile-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--bg-accent);
  border-radius: var(--border-radius-lg);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.profile-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Performance: Additional responsive adjustments consolidated */
@media (max-width: 768px) {
  .modern-footer {
    padding: var(--space-xl) 0 var(--space-md);
  }
  
  .modern-footer .container-custom {
    padding: 0 var(--space-md);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .footer-section {
    text-align: center;
  }
  
  .footer-description {
    text-align: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-links {
    text-align: center;
  }
  
  .footer-link:hover {
    padding-left: 0;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }
  
  .certifications-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    padding: 0 var(--space-md);
  }
  
  .certification-card {
    padding: var(--space-md);
  }
  
  .cert-icon-wrapper {
    width: 50px;
    height: 50px;
  }
  
  .cert-icon {
    font-size: 1.25rem;
  }
  
  .certifications-title {
    font-size: 1.5rem;
  }
  
  .profile-links {
    grid-template-columns: 1fr;
  }
}

/* Extra Small Screens - Enhanced Footer & Components */
@media (max-width: 480px) {
  /* Footer */
  .modern-footer {
    padding: var(--space-lg) 0;
  }
  
  .footer-content {
    gap: var(--space-lg);
  }
  
  .footer-section {
    padding: 0;
  }
  
  .footer-title {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
  }
  
  .footer-description {
    font-size: 0.85rem;
    line-height: 1.6;
  }
  
  .footer-link,
  .footer-text {
    font-size: 0.85rem;
  }
  
  .footer-social-link {
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
  }
  
  .footer-bottom {
    padding-top: var(--space-md);
  }
  
  .footer-bottom p {
    font-size: 0.8rem;
    line-height: 1.5;
  }
  
  /* Certifications */
  .certifications-section {
    padding: var(--space-lg) 0;
    margin-top: var(--space-xl);
  }
  
  .certifications-title {
    font-size: 1.5rem;
  }
  
  .certifications-subtitle {
    font-size: 0.9rem;
  }
  
  .certifications-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: 0 var(--space-sm);
  }
  
  .certification-card {
    padding: var(--space-md);
  }
  
  .cert-icon-wrapper {
    width: 50px;
    height: 50px;
  }
  
  .cert-icon {
    font-size: 1.25rem;
  }
  
  .cert-name {
    font-size: 1rem;
  }
  
  .cert-provider {
    font-size: 0.85rem;
  }
  
  .cert-link {
    font-size: 0.85rem;
    padding: var(--space-xs) var(--space-sm);
  }
  
  /* Back to Top */
  .back-to-top {
    width: 45px;
    height: 45px;
    bottom: 15px;
    right: 15px;
    font-size: 1.125rem;
  }
}