/*--------------------------------------------------------------
# Modern Portfolio Styles - Responsive Revamp
--------------------------------------------------------------*/

:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary-color: #64748b;
  --accent-color: #f59e0b;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --border-radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --container-padding: 1rem;
  --section-spacing: 5rem;
  --section-spacing-mobile: 3rem;
}

@media (max-width: 768px) {
  :root {
    --container-padding: 0.75rem;
    --section-spacing: var(--section-spacing-mobile);
  }
}

@media (max-width: 576px) {
  :root {
    --container-padding: 0.5rem;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.025em;
}



.section-title {
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
  text-align: center;
}

.section-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  color: var(--text-light);
  margin-bottom: 3rem;
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Container improvements */
.container {
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  max-width: 1200px;
  margin: 0 auto;
}

/* Section spacing */
.section-padding {
  padding: var(--section-spacing) 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: var(--section-spacing-mobile) 0;
  }
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color) !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.navbar-brand:hover {
  color: var(--accent-color) !important;
  transform: scale(1.05);
}

.brand-logo {
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  line-height: 1;
  font-family: 'Courier New', monospace;
}

.brand-name {
  margin-right: 0.3rem;
}

.brand-code {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
  opacity: 0.8;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.5px;
}

.brand-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.navbar-brand:hover .brand-code {
  color: var(--primary-color);
  opacity: 1;
}

.navbar-brand:hover .brand-name {
  color: var(--primary-color);
}

.navbar-brand:hover .brand-title {
  color: var(--accent-color);
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: white !important;
  margin: 0 0.25rem;
  padding: 0.75rem 1rem !important;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  position: relative;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
  background-color: var(--bg-light);
  transform: translateY(-1px);
}

.navbar-nav .nav-link.active {
  color: var(--primary-color) !important;
  background-color: rgba(37, 99, 235, 0.1);
}

/* Override Bootstrap's default active state colors */
.navbar-nav .nav-item.active .nav-link,
.navbar-nav .nav-item.show .nav-link {
  color: var(--primary-color) !important;
  background-color: rgba(37, 99, 235, 0.1) !important;
}

/* Override any Bootstrap green colors */
.navbar-nav .nav-link.active,
.navbar-nav .nav-item.active .nav-link,
.navbar-nav .nav-item.show .nav-link {
  color: var(--primary-color) !important;
  background-color: rgba(37, 99, 235, 0.1) !important;
}

.navbar-toggler {
  border: none;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 0px rgba(37, 99, 235, 0.25);
  outline: none;
}

.navbar-toggler-icon {
  width: 1.5rem;
  height: 1.5rem;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2837, 99, 235, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
}

/* Mobile navigation improvements */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    margin-top: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
  }
  
  .navbar-nav {
    gap: 0.5rem;
  }
  
  .navbar-nav .nav-link {
    margin: 0;
    padding: 1rem 1.5rem !important;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-align: center;
    min-height: 48px;
  }
  
  .navbar-nav .nav-link:hover {
    background-color: var(--primary-color);
    color: white !important;
    transform: translateY(-2px);
  }
  
  /* Override Bootstrap active states on mobile */
  .navbar-nav .nav-item.active .nav-link,
  .navbar-nav .nav-item.show .nav-link {
    color: var(--primary-color) !important;
    background-color: rgba(37, 99, 235, 0.1) !important;
  }
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.experience-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.25rem);
  color: var(--text-light);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  max-width: 600px;
  animation: fadeInUp 0.6s ease-out 0.6s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.6s ease-out 0.8s both;
}

.stat-item {
  text-align: center;
  background: rgba(255, 255, 255, 0.95);
  padding: 1.5rem 1rem;
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 1);
  border-color: var(--accent-color);
}

.stat-number {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2rem);
  font-weight: 700;
  color: #2563eb;
  margin-bottom: 0.5rem;
  text-shadow: none;
}

.stat-label {
  font-size: 0.875rem;
  color: #1e293b;
  font-weight: 600;
  text-shadow: none;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 1s both;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  min-width: 44px;
  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: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
  text-decoration: none;
}

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

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.1rem;
}

.hero-image {
  text-align: center;
  position: relative;
  animation: fadeInUp 0.6s ease-out 1.2s both;
}

.hero-image img {
  max-width: min(400px, 80vw);
  width: 100%;
  height: auto;
  border-radius: 50%;
  box-shadow: var(--shadow-xl);
  border: 4px solid white;
  transition: var(--transition);
}

.hero-image img:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl), 0 0 0 8px rgba(37, 99, 235, 0.1);
}

/* Mobile hero improvements */
@media (max-width: 768px) {
  .my-image{
    display: grid;
    justify-items: center;
  }
  .hero-section {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: 3rem;
  }
  
  .hero-content {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  
  .stat-item {
    padding: 1.25rem 0.75rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .btn-lg {
    width: 100%;
    max-width: 280px;
  }
  
  .hero-image {
    margin-top: 2rem;
  }
  
  .hero-image img {
    max-width: 280px;
    width: 100%;
    height: auto;
  }
}

@media (max-width: 576px) {
    .my-image{
    display: grid;
    justify-items: center;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .stat-item {
    padding: 1rem 0.5rem;
  }
  
  .stat-number {
    font-size: 1.6rem;
  }
  
  .stat-label {
    font-size: 0.8rem;
  }
  
  .hero-image img {
    max-width: 250px;
    width: 100%;
    height: auto;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.scroll-down {
  display: block;
  width: 40px;
  height: 40px;
  border: 2px solid var(--primary-color);
  border-radius: 50%;
  text-align: center;
  line-height: 36px;
  color: var(--primary-color);
  transition: var(--transition);
  animation: bounce 2s infinite;
}

.scroll-down:hover {
  background: var(--primary-color);
  color: white;
  text-decoration: none;
}

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

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

.bg-light {
  background-color: var(--bg-light) !important;
}

/* About Section */
.about-content h3 {
  font-size: 2rem;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.about-content .lead {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-item i {
  color: var(--primary-color);
  font-size: 1.75rem;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--border-radius);
  flex-shrink: 0;
  transition: var(--transition);
}

.feature-item:hover i {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
}

.feature-item span {
  font-weight: 600;
  color: #1e293b;
  font-size: 1.1rem;
  line-height: 1.4;
}

.about-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

/* Skills Section */
.skills-section {
  background: var(--bg-light);
}

.skill-category {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  height: 100%;
  min-height: 320px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.skill-category:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.skill-category h4 {
  color: var(--text-dark);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.skill-category h4 i {
  color: var(--primary-color);
  font-size: 1.5rem;
  width: 24px;
  text-align: center;
}

.skill-item {
  margin-bottom: 1.75rem;
  flex: 1;
}

.skill-name {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.skill-percentage {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.875rem;
}

.skill-bar {
  height: 10px;
  background: var(--bg-light);
  border-radius: 5px;
  overflow: hidden;
  position: relative;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 5px;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  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%); }
}

/* Skills grid improvements */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .skill-category {
    padding: 1.5rem;
    min-height: 280px;
  }
  
  .skill-category h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
  }
  
  .skill-item {
    margin-bottom: 1.5rem;
  }
  
  .skill-name {
    font-size: 0.9rem;
  }
  
  .skill-bar {
    height: 8px;
  }
}

@media (max-width: 576px) {
  .skill-category {
    padding: 1.25rem;
    min-height: 260px;
  }
  
  .skill-category h4 {
    font-size: 1rem;
    gap: 0.5rem;
  }
  
  .skill-category h4 i {
    font-size: 1.25rem;
  }
  
  .skill-item {
    margin-bottom: 1.25rem;
  }
  
  .skill-name {
    font-size: 0.85rem;
  }
  
  .skill-percentage {
    font-size: 0.8rem;
  }
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
}

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

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

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid white;
  box-shadow: var(--shadow-md);
  transform: translate(-50%, -50%);
  z-index: 2;
  transition: var(--transition);
}

.timeline-item:hover .timeline-marker {
  transform: translate(-50%, -50%) scale(1.2);
  box-shadow: var(--shadow-lg);
}

.timeline-content {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  width: calc(50% - 3rem);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 3rem;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 3rem;
}

.timeline-content::before {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border: 12px solid transparent;
  transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
  right: -24px;
  border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
  left: -24px;
  border-right-color: white;
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.timeline-content h4 {
  color: var(--primary-color);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.timeline-period {
  color: var(--accent-color);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(245, 158, 11, 0.1);
  border-radius: var(--border-radius);
}

.timeline-content p {
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Portfolio */
.portfolio-section {
  background: var(--bg-light);
  position: relative;
}

.portfolio-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.portfolio-card {
  background: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  /* border: 0px solid rgba(0, 0, 0, 0); */
}

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

.portfolio-card:hover {
  transform: translateY(-16px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

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

.portfolio-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  flex-shrink: 0;
  background: linear-gradient(45deg, #f8fafc, #e2e8f0);
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(37, 99, 235, 0.98), 
    rgba(245, 158, 11, 0.98)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(8px);
  transform: scale(0.9);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
  transform: scale(1);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.15) rotate(2deg);
}

.portfolio-info {
  text-align: center;
  color: white;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  position: relative;
  z-index: 2;
}

.portfolio-info h5 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease 0.1s;
}

.portfolio-info p {
  margin-bottom: 2rem;
  opacity: 0;
  font-size: 1.1rem;
  line-height: 1.6;
  font-weight: 500;
  transform: translateY(20px);
  transition: all 0.4s ease 0.2s;
}

.tech-stack {
  font-size: 0.9rem;
  opacity: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  transform: translateY(20px);
  transition: all 0.4s ease 0.3s;
}

.portfolio-card:hover .portfolio-info h5,
.portfolio-card:hover .portfolio-info p,
.portfolio-card:hover .tech-stack {
  opacity: 1;
  transform: translateY(0);
}

.tech-stack span {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 25px;
  font-size: 0.85rem;
  white-space: nowrap;
  font-weight: 600;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.tech-stack span:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Portfolio mobile improvements */
@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
    display: grid;
    justify-items: center;
    
  }
  
  .portfolio-card {
    border-radius: var(--border-radius);
  }
  
  .portfolio-card:hover {
    transform: translateY(-12px) scale(1.01);
  }
  
  .portfolio-info {
    padding: 2rem 1.5rem;
  }
  
  .portfolio-info h5 {
    font-size: 1.5rem;
    transform: translateY(15px);
  }
  
  .portfolio-info p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    transform: translateY(15px);
  }
  
  .tech-stack {
    gap: 0.5rem;
    transform: translateY(15px);
  }
  
  .tech-stack span {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 576px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
    display: grid;
    justify-items: center;
  }
  
  .portfolio-image {
    aspect-ratio: 4/3;
  }
  
  .portfolio-card:hover {
    transform: translateY(-8px) scale(1.005);
  }
  
  .portfolio-info {
    padding: 1.75rem 1.25rem;
  }
  
  .portfolio-info h5 {
    font-size: 1.3rem;
    transform: translateY(10px);
  }
  
  .portfolio-info p {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    transform: translateY(10px);
  }
  
  .tech-stack {
    gap: 0.4rem;
    transform: translateY(10px);
  }
  
  .tech-stack span {
    padding: 0.35rem 0.7rem;
    font-size: 0.75rem;
  }
}

/* Contact */
.contact-section {
  background: var(--bg-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.contact-item {
  background: white;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

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

.contact-item:hover::before {
  transform: scaleX(1);
}

.contact-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.contact-item i {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.contact-item:hover i {
  transform: scale(1.1);
}

.contact-item h5 {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.contact-item a,
.contact-item p {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
  font-size: 1rem;
  line-height: 1.5;
}

.contact-item a:hover {
  color: var(--primary-color);
  transform: translateY(-1px);
}

/* Contact mobile improvements */
@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .contact-item {
    padding: 2rem 1.5rem;
  }
  
  .contact-item i {
    font-size: 2rem;
    margin-bottom: 1.25rem;
  }
  
  .contact-item h5 {
    font-size: 1.1rem;
  }
  
  .contact-item a,
  .contact-item p {
    font-size: 0.95rem;
  }
}

@media (max-width: 576px) {
  .contact-item {
    padding: 1.75rem 1.25rem;
  }
  
  .contact-item i {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }
  
  .contact-item h5 {
    font-size: 1rem;
  }
  
  .contact-item a,
  .contact-item p {
    font-size: 0.9rem;
  }
}

/* Footer */
.footer {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #e2e8f0;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer-main {
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-brand .brand-logo {
  margin-bottom: 1.5rem;
}

.footer-brand .brand-logo .brand-text {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  line-height: 1;
  font-family: 'Courier New', monospace;
  margin-bottom: 1.5rem;
}

.footer-brand .brand-code {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
  opacity: 0.8;
}

.footer-brand .brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  letter-spacing: -0.5px;
  margin-right: 0.3rem;
}

.footer-brand .brand-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-brand h5 {
  color: white;
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.footer-description {
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.footer-contact {
  margin-top: 1.5rem;
}

.footer-contact .contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  color: #94a3b8;
  padding: 0.25rem 1rem;
  gap: 1rem;
}

.footer-contact .contact-item i {
  width: 20px;
  min-width: 20px;
  color: var(--primary-color);
  font-size: 1.1rem;
  text-align: center;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transform: translateY(1px);
  padding-top: 1.5rem;
}

.footer-contact .contact-item a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
  line-height: 1.4;
  word-break: break-word;
}

.footer-contact .contact-item a:hover {
  color: white;
  transform: translateX(2px);
}

.footer-section h6 {
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 2rem;
  position: relative;
}

.footer-section h6::after {
  content: '';
  position: absolute;
  bottom: -0.75rem;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 2px;
}

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

.footer-links li {
  margin-bottom: 1rem;
  color: #94a3b8;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  padding-left: 0;
  font-size: 0.95rem;
  display: inline-block;
}

.footer-links a::before {
  content: '→';
  position: absolute;
  left: -20px;
  opacity: 0;
  transition: var(--transition);
  color: var(--primary-color);
  font-weight: 600;
}

.footer-links a:hover {
  color: white;
  padding-left: 20px;
  transform: translateX(2px);
}

.footer-links a:hover::before {
  opacity: 1;
}

.social-description {
  color: #94a3b8;
  margin-bottom: 2rem;
  font-size: 1rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  color: #94a3b8;
  text-decoration: none;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  min-height: 48px;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-color);
  color: white;
  transform: translateX(8px);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.social-link i {
  width: 24px;
  margin-right: 1rem;
  font-size: 1.2rem;
}

.social-link span {
  font-weight: 500;
  font-size: 0.95rem;
}

.footer-bottom {
  background: rgba(0, 0, 0, 0.3);
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: #64748b;
  margin: 0;
  font-size: 0.95rem;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a {
  color: #64748b;
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
  padding: 0.5rem 0;
}

.footer-bottom-links a:hover {
  color: white;
  transform: translateY(-1px);
}



/* Footer mobile improvements */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-brand .brand-logo .brand-text {
    justify-content: center;
  }
  
  .footer-brand .brand-code {
    font-size: 1rem;
  }
  
  .footer-brand .brand-name {
    font-size: 1.1rem;
  }
  
  .footer-brand .brand-title {
    font-size: 0.7rem;
  }
  
  .footer-brand h5 {
    font-size: 1.5rem;
  }
  
  .footer-description {
    font-size: 0.95rem;
  }
  
  .footer-section h6 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
  }
  
  .footer-section h6::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-links {
    text-align: center;
  }
  
  .footer-links a {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
  }
  
  .footer-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 1rem;
  }
  
  .social-links {
    align-items: center;
    gap: 0.75rem;
  }
  
  .social-link {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .footer-bottom-links {
    justify-content: center;
    gap: 1.5rem;
  }
  
  .footer-contact .contact-item {
    justify-content: center;
    text-align: center;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .footer-contact .contact-item i {
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 0rem;
    padding: 0rem;
  }
}

@media (max-width: 576px) {
  .footer-main {
    padding: 3rem 0 1.5rem;
  }
  
  .footer-grid {
    gap: 1.5rem;
  }
  
  .footer-brand .brand-logo .brand-text {
    justify-content: center;
  }
  
  .footer-brand .brand-code {
    font-size: 0.9rem;
  }
  
  .footer-brand .brand-name {
    font-size: 1rem;
  }
  
  .footer-brand .brand-title {
    font-size: 0.65rem;
  }
  
  .footer-brand h5 {
    font-size: 1.4rem;
  }
  
  .footer-description {
    font-size: 0.9rem;
  }
  
  .footer-section h6 {
    font-size: 1rem;
  }
  
  .footer-links a {
    font-size: 0.9rem;
  }
  
  .social-link {
    padding: 0.875rem 1rem;
    font-size: 0.9rem;
  }
  
  .social-link span {
    font-size: 0.9rem;
  }
  
  .copyright {
    font-size: 0.9rem;
  }
  
  .footer-bottom-links a {
    font-size: 0.85rem;
  }
}

/* Modal Styles */
.modal-content {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem;
}

.modal-title {
  color: black;
  font-weight: 600;
}

.modal-body {
  padding: 2rem;
}

.modal-body h6 {
  color: var(--primary-color);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.modal-body ul {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.modal-body li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  background: transparent;
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
}

.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
}

/* WhatsApp Chat */
.whatsapp-chat {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
}

.whatsapp-chat-image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.whatsapp-chat-image:hover {
  transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-content h3 {
    font-size: 1.8rem;
  }
  
  .skill-category {
    padding: 2rem;
  }
  
  .portfolio-card {
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .navbar {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(15px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  }
  
  .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    padding-left: 0.5rem;
  }
  
  .brand-logo {
    /* Icon removed */
  }
  
  .brand-code {
    font-size: 1rem;
  }
  
  .brand-name {
    font-size: 1.1rem;
  }
  
  .brand-title {
    font-size: 0.65rem;
  }
  
  .navbar-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-radius: 16px;
    margin-top: 1rem;
    padding: 1.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  
  .navbar-nav .nav-link {
      color: black !important;
    margin: 0.5rem 0;
    padding: 1rem 1.5rem !important;
    border-radius: 12px;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
  }
  
  .navbar-nav .nav-link:hover {
    background: var(--primary-color);
    color: white !important;
    transform: translateY(-2px);
  }
  
  /* Hero Section */
  .hero-section {
    padding: 8rem 0 4rem;
    min-height: auto;
  }
  
  .hero-content {
    text-align: center;
    margin-bottom: 3rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    font-weight: 700;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
    color: var(--text-muted);
  }
  
  .experience-badge {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), #667eea);
    color: white;
    border-radius: 50px;
    display: inline-block;
  }
  
  .hero-stats {
    flex-direction: row;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
  }
  
  .stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    padding: 1.5rem 1rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 120px;
  }
  
  .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
  }
  
  .stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }
  
  .btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 280px;
  }
  
  .hero-image {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .hero-image img {
    max-width: 280px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    display: block;
  }
  
  /* About Section */
  .about-content {
    text-align: center;
    margin-bottom: 3rem;
  }
  
  .about-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
  }
  
  .about-content .lead {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
  }
  
  .about-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-muted);
  }
  
  .about-features {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
  }
  
  .feature-item {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem 1rem;
    gap: 1rem;
  }
  
  .feature-item i {
    margin-bottom: 0;
    font-size: 1.5rem;
    width: 45px;
    height: 45px;
  }
  
  .feature-item span {
    font-weight: 600;
    font-size: 1rem;
  }
  
  .about-image {
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .about-image img {
    max-width: 300px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    border-radius: 16px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    display: block;
  }
  
  /* Skills Section */
  .skill-category {
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  
  .skill-category h4 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
  }
  
  .skill-category h4 i {
    margin-right: 0.75rem;
    color: var(--primary-color);
  }
  
  .skill-item {
    margin-bottom: 1rem;
  }
  
  .skill-name {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
  }
  
  /* Timeline */
  .timeline {
    padding: 2rem 1rem;
    max-width: 100%;
  }
  
  .timeline::before {
    left: 2rem;
    transform: none;
  }
  
  .timeline-item {
    flex-direction: row !important;
    margin-bottom: 2rem;
  }
  
  .timeline-marker {
    left: 2rem;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    border: 3px solid white;
  }
  
  .timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.1);
  }
  
  .timeline-content {
    width: calc(100% - 4rem);
    margin-left: 4rem !important;
    margin-right: 0 !important;
    padding: 1.5rem;
    border-radius: var(--border-radius);
  }
  
  .timeline-content::before {
    display: none;
  }
  
  .timeline-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }
  
  .timeline-period {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
  }
  
  /* Portfolio */
  .portfolio-card {
    margin-bottom: 2rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
  }
  
  .portfolio-image {
    height: 220px;
  }
  
  .portfolio-info h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .portfolio-info p {
    font-size: 0.95rem;
    line-height: 1.5;
  }
  
  .tech-stack {
    font-size: 0.85rem;
    font-weight: 500;
  }
  
  /* Contact */
  .contact-info {
    padding: 2rem 1rem;
    display: flex;
    justify-content: center;
  }
  
  .contact-item {
    padding: 2rem 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
  }
  
  .contact-item i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
  }
  
  .contact-item h5 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
  }
  
  .contact-item a,
  .contact-item p {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: none;
  }
  
  /* Footer */
  .footer-main {
    padding: 3rem 0 2rem;
  }
  
  .footer-brand {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .footer-brand h5 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }
  
  .footer-description {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
  }
  
  .footer-section {
    text-align: center;
    margin-bottom: 2rem;
  }
  
  .footer-section h6 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: white;
  }
  
  .footer-section h6::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .footer-links {
    padding: 0;
    text-align: center;
  }
  
  .footer-links li {
    margin-bottom: 0.75rem;
  }
  
  .footer-links a {
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
  }
  
  .social-links {
    align-items: center;
    gap: 1rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .social-link {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border-radius: 12px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 200px;
  }
  
  .footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
  }
  
  .copyright {
    font-size: 0.95rem;
    margin-bottom: 1rem;
  }
  
  .footer-bottom-links {
    justify-content: center;
    margin-top: 1rem;
    gap: 1.5rem;
  }
  
  .footer-bottom-links a {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
  }
  
  /* Modals */
  .modal-content {
    margin: 1rem;
    border-radius: 16px;
    border: none;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  }
  
  .modal-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
  }
  
  .modal-title {
    font-size: 1.5rem;
    font-weight: 600;
  }
  
  .modal-body {
    padding: 2rem;
    max-height: 70vh;
    overflow-y: auto;
  }
  
  .modal-body h6 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
  }
  
  .modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
  }
  
  .modal-body li {
    margin-bottom: 0.75rem;
    color: var(--text-light);
    line-height: 1.6;
  }
  
  .tech-tag {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
  }
  
  .modal-footer {
    padding: 1rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
  }
  
  /* WhatsApp Chat */
  .whatsapp-chat {
    right: 15px;
    bottom: 20px;
  }
  
  .whatsapp-chat-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  }
}

@media (max-width: 576px) {
  /* Navigation */
  .navbar {
    padding: 0.75rem 0;
  }
  
  .navbar-brand {
    font-size: 1.4rem;
  }
  
  .brand-logo {
    /* Icon removed */
  }
  
  .brand-code {
    font-size: 0.9rem;
  }
  
  .brand-name {
    font-size: 1rem;
  }
  
  .brand-title {
    font-size: 0.6rem;
  }
  
  /* Hero Section */
  .hero-section {
    padding: 7rem 0 3rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .experience-badge {
    font-size: 0.95rem;
    padding: 0.6rem 1.2rem;
  }
  
  .hero-stats {
    gap: 1.5rem;
  }
  
  .stat-item {
    min-width: 100px;
    padding: 1.25rem 0.75rem;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
  
  .stat-label {
    font-size: 0.85rem;
  }
  
  .btn-lg {
    padding: 0.9rem 2rem;
    font-size: 1rem;
    max-width: 260px;
  }
  
  .hero-image img {
    max-width: 250px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
  }
  
  /* Sections */
  .section-padding {
    padding: 3rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section-subtitle {
    font-size: 1.1rem;
  }
  
  /* About */
  .about-content h3 {
    font-size: 1.8rem;
  }
  
  .about-content .lead {
    font-size: 1.2rem;
  }
  
  .about-content p {
    font-size: 1rem;
  }
  
  .about-features {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
  }
  
  .feature-item {
    flex-direction: row;
    text-align: left;
    padding: 1.25rem;
    gap: 1rem;
  }
  
  .feature-item i {
    font-size: 1.25rem;
    width: 40px;
    height: 40px;
  }
  
  .feature-item span {
    font-size: 0.95rem;
  }
  
  .about-image img {
    max-width: 280px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
  }
  
  /* Skills */
  .skill-category {
    padding: 1.5rem;
  }
  
  .skill-category h4 {
    font-size: 1.2rem;
  }
  
  .skill-name {
    font-size: 0.95rem;
  }
  
  /* Timeline */
  .timeline-content {
    padding: 1.25rem;
    margin-left: 2.5rem;
  }
  
  .timeline-content h4 {
    font-size: 1.2rem;
  }
  
  .timeline-content p {
    font-size: 0.95rem;
  }
  
  /* Portfolio */
  .portfolio-image {
    height: 200px;
  }
  
  .portfolio-info h5 {
    font-size: 1.1rem;
  }
  
  .portfolio-info p {
    font-size: 0.9rem;
  }
  
  .tech-stack {
    font-size: 0.8rem;
  }
  
  /* Contact */
  .contact-info {
    padding: 1.5rem 0.5rem;
  }
  
  .contact-item {
    padding: 1.5rem 1rem;
  }
  
  .contact-item i {
    font-size: 1.8rem;
  }
  
  .contact-item h5 {
    font-size: 1.1rem;
  }
  
  .contact-item a,
  .contact-item p {
    font-size: 0.95rem;
  }
  
  /* Footer */
  .footer-main {
    padding: 2.5rem 0 1.5rem;
  }
  
  .footer-brand h5 {
    font-size: 1.4rem;
  }
  
  .footer-description {
    font-size: 0.95rem;
  }
  
  .footer-section h6 {
    font-size: 1.1rem;
  }
  
  .social-link {
    padding: 0.9rem 1.25rem;
    font-size: 0.95rem;
    max-width: 180px;
  }
  
  /* Additional mobile improvements */
  .skill-category {
    width: 100%;
    margin: 0 auto 1.5rem;
    display: flex;
    flex-direction: column;
  }
  
  .contact-item {
    width: 100%;
    max-width: 300px;
    margin: 0 auto 1.5rem;
  }
  
  .social-links {
    justify-content: center;
    width: 100%;
  }
  
  .social-link {
    width: 100%;
    max-width: 180px;
    margin: 0 auto;
  }
  
  .copyright {
    font-size: 0.9rem;
  }
  
  .footer-bottom-links a {
    font-size: 0.85rem;
  }
  
  /* Modals */
  .modal-content {
    margin: 0.5rem;
  }
  
  .modal-header {
    padding: 1.5rem 1.5rem 1rem;
  }
  
  .modal-title {
    font-size: 1.3rem;
  }
  
  .modal-body {
    padding: 1.5rem;
  }
  
  .modal-body h6 {
    font-size: 1rem;
  }
  
  .modal-body li {
    font-size: 0.9rem;
  }
  
  .tech-tag {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .modal-footer {
    padding: 0.75rem 1.5rem 1.5rem;
  }
  
  /* WhatsApp Chat */
  .whatsapp-chat {
    right: 10px;
    bottom: 15px;
  }
  
  .whatsapp-chat-image {
    width: 55px;
    height: 55px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .hero-image img {
    max-width: 220px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
  }
  
  .about-image img {
    max-width: 250px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
  }
  
  .skill-category {
    width: 100%;
    margin: 0 auto 1.5rem;
    display: flex;
    flex-direction: column;
  }
  
  .portfolio-image {
    height: 180px;
  }
  
  .btn-lg {
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    max-width: 240px;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  .hero-section {
    padding: 6rem 0 2rem;
    min-height: auto;
  }
  
  .hero-content {
    margin-bottom: 2rem;
  }
  
  .hero-title {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .hero-stats {
    margin-bottom: 2rem;
  }
  
  .section-padding {
    padding: 2rem 0;
  }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .hero-image img,
  .about-image img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Mobile-specific improvements */
@media (max-width: 768px) {
  .btn,
  .nav-link,
  .contact-item,
  .social-link {
    min-height: 44px;
    min-width: 44px;
  }


  .portfolio-card {
    min-height: 44px;
    min-width: 44px;
    width: 50vw;
    height: 50vw;
  }
  
  .navbar-collapse {
    max-height: 80vh;
    overflow-y: auto;
  }
  
  .container {
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .modal-body {
    max-height: 70vh;
    overflow-y: auto;
  }
  
  .portfolio-card {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }
  
  .portfolio-card:active {
    transform: scale(0.98);
  }
  
  .btn:active {
    transform: scale(0.95);
  }
  
  .scroll-indicator {
    display: none;
  }
  
  .scroll-down {
    display: none;
  }
}

@media (max-width: 576px) {
  body {
    overflow-x: hidden;
  }
  
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  
  .img-fluid {
    max-width: 100%;
    height: auto;
  }
  
  .modal-dialog {
    margin: 0.5rem;
    max-width: calc(100% - 1rem);
  }
  
  .hero-subtitle,
  .about-content .lead,
  .section-subtitle {
    line-height: 1.6;
  }
}

/* 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 scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

.scale-in {
  animation: scaleIn 0.6s ease-out;
}

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

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

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

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

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

/* Loading animations for skill bars */
.skill-progress {
  animation: skillProgress 1.5s ease-out 0.5s both;
}

@keyframes skillProgress {
  from {
    width: 0;
  }
  to {
    width: var(--target-width);
  }
}

/* Hover effects for better interactivity */
.portfolio-card,
.skill-category,
.contact-item,
.social-link {
  transition: var(--transition);
}

.portfolio-card:hover,
.skill-category:hover,
.contact-item:hover {
  transform: translateY(-8px);
}

.social-link:hover {
  transform: translateX(8px);
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
.social-link:focus,
.portfolio-card:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Mobile touch improvements */
@media (max-width: 768px) {
  .portfolio-card:active,
  .skill-category:active,
  .contact-item:active,
  .btn:active {
    transform: scale(0.98);
  }
  
  .social-link:active {
    transform: translateX(4px);
  }
}

/* Performance optimizations */
.portfolio-card,
.skill-category,
.contact-item {
  will-change: transform;
}

.hero-image img,
.about-image img {
  will-change: transform;
}

/* Print styles */
@media print {
  .navbar,
  .scroll-indicator,
  .whatsapp-chat {
    display: none !important;
  }
  
  .hero-section {
    min-height: auto;
    padding: 2rem 0;
  }
  
  .section-padding {
    padding: 2rem 0;
  }
}

/* Loading states */
.btn.loading {
  position: relative;
  color: transparent !important;
}

.btn.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;
}

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

/* Touch active states */
.touch-active {
  transform: scale(0.98) !important;
}

/* Mobile device specific styles */
.mobile-device .portfolio-card:hover,
.mobile-device .skill-category:hover,
.mobile-device .contact-item:hover {
  transform: none;
}

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

/* Page load animation */
body:not(.loaded) {
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

body.loaded {
  opacity: 1;
}

/* Enhanced focus states for better accessibility */
.nav-link:focus-visible,
.btn:focus-visible,
.social-link:focus-visible,
.portfolio-card:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .skill-progress {
    transition: none !important;
  }
  
  .portfolio-card:hover,
  .skill-category:hover,
  .contact-item:hover,
  .social-link:hover {
    transform: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0000ff;
    --text-dark: #000000;
    --text-light: #333333;
    --border-color: #000000;
  }
  
  .btn-primary {
    background: #0000ff !important;
    color: #ffffff !important;
  }
  
  .skill-progress {
    background: #0000ff !important;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-white: #1a1a1a;
    --bg-light: #2d2d2d;
    --text-dark: #ffffff;
    --text-light: #cccccc;
    --border-color: #404040;
  }
  
  .navbar {
    background: rgba(26, 26, 26, 0.95) !important;
  }
  
  .skill-category,
  .portfolio-card,
  .contact-item {
    background: #2d2d2d !important;
    border-color: #404040 !important;
  }
}
  
  .whatsapp-chat-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
  }

  .img-circle {
    border-radius: 100%;
    width: 100px;
    height: 100px;
  }

  .skills-section .row {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .skills-section .row > [class^="col-"],
  .skills-section .row > [class*=" col-"] {
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .skill-category {
    height: 100%;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
  }


@media (max-width: 576px) {
  .skills-section .row {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .skills-section .row > [class^="col-"],
  .skills-section .row > [class*=" col-"] {
    height: 100%;
    display: flex;
    flex-direction: column;
  }
  .skill-category {
    height: 100%;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
  }
  
  /* Timeline mobile adjustments */
  .timeline {
    padding: 1.5rem 0.5rem;
  }
  
  .timeline::before {
    left: 1.5rem;
  }
  
  .timeline-marker {
    left: 1rem;
    width: 14px;
    height: 14px;
    border: 2px solid white;
  }
  
  .timeline-content {
    width: calc(100% - 3rem);
    margin-left: 3rem !important;
    padding: 1.25rem;
  }
  
  .timeline-content h4 {
    font-size: 1.1rem;
  }
  
  .timeline-period {
    font-size: 0.85rem;
    padding: 0.3rem 0.6rem;
  }
}
  
  .whatsapp-chat-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
  }

  .img-circle {
    border-radius: 100%;
    width: 100px;
    height: 100px;
  }

  .modal-body p,
  .modal-body li {
    color: black;
  }