/* CSS Variables */
:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-dark: #111827;
  --border-color: #e5e7eb;
  --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-heavy: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* Dark mode variables */
[data-theme="dark"] {
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  --bg-primary: #1f2937;
  --bg-secondary: #111827;
  --bg-dark: #030712;
  --border-color: #374151;
}

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

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-medium);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo i {
  font-size: 1.8rem;
}

.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(99, 102, 241, 0.1);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: var(--transition);
  border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  overflow: hidden;
  padding-top: 70px;
}

.hero::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 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,0 1000,300 1000,1000 0,700"/></svg>');
  z-index: 1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

.hero-text {
  color: white;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  opacity: 0;
  animation: slideInUp 1s ease-out 0.5s forwards;
}

.highlight {
  background: linear-gradient(45deg, #f59e0b, #ef4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.typing-container {
  height: 60px;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: slideInUp 1s ease-out 0.7s forwards;
}

.typing-text {
  font-size: 1.5rem;
  font-weight: 500;
  color: #e2e8f0;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 2.5rem;
  max-width: 500px;
  opacity: 0;
  animation: slideInUp 1s ease-out 0.9s forwards;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: slideInUp 1s ease-out 1.1s forwards;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: var(--transition);
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  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(45deg, var(--primary-color), var(--secondary-color));
  color: white;
  box-shadow: var(--shadow-medium);
}

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

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.profile-card {
  position: relative;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid rgba(255,255,255,0.2);
  opacity: 0;
  animation: scaleIn 1s ease-out 1.3s forwards;
}

.profile-img {
  width: 200px;
  height: 200px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
  overflow: hidden;
  position: relative;
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.profile-photo:hover {
  transform: scale(1.05);
}

.floating-icons {
  position: absolute;
  inset: 0;
}

.floating-icons i {
  position: absolute;
  color: var(--accent-color);
  font-size: 2rem;
  animation: float 3s ease-in-out infinite;
}

.floating-icons i:nth-child(1) {
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.floating-icons i:nth-child(2) {
  top: 30%;
  right: 15%;
  animation-delay: 0.5s;
}

.floating-icons i:nth-child(3) {
  bottom: 25%;
  left: 15%;
  animation-delay: 1s;
}

.floating-icons i:nth-child(4) {
  bottom: 20%;
  right: 10%;
  animation-delay: 1.5s;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1.5rem;
  animation: bounce 2s infinite;
  cursor: pointer;
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

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

/* Section Styling */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  margin: 1rem auto 2rem;
  border-radius: 2px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* About Section */
.about-section {
  background: var(--bg-primary);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--text-secondary);
  font-weight: 500;
}

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

.skills-content {
  display: grid;
  gap: 3rem;
}

.skills-category {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
}

.skills-category h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.skills-category h3 i {
  color: var(--primary-color);
}

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

.skill-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  transition: var(--transition);
}

.skill-item:hover {
  transform: translateX(5px);
  background: rgba(99, 102, 241, 0.05);
}

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

.skill-item span {
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}

.skill-bar {
  flex: 2;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: 3px;
  transition: width 2s ease-in-out;
  width: 0%;
}

/* Projects Section */
.projects-section {
  background: var(--bg-primary);
}

.project-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
  border-color: var(--primary-color);
}

.project-card.featured {
  position: relative;
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-medium);
}

.project-card.featured::before {
  content: '✨ Featured Project';
  position: absolute;
  top: -1px;
  right: -1px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 0 var(--border-radius) 0 15px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 10;
}

.project-card.featured:hover {
  transform: translateY(-15px);
  box-shadow: var(--shadow-heavy);
}

.project-image {
  height: 120px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-image::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 0.6s;
}

.project-card:hover .project-image::before {
  left: 100%;
}

.project-image i {
  font-size: 3rem;
  color: white;
  z-index: 1;
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}

.project-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.tech-tag {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--bg-primary);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  font-size: 0.9rem;
}

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

/* Experience Section */
.experience-section {
  background: var(--bg-secondary);
}

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

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

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: calc(50% - 20px);
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: calc(50% + 20px);
  text-align: left;
}

.timeline-marker {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border-radius: 50%;
  border: 4px solid var(--bg-secondary);
  top: 1rem;
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -28px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -28px;
}

.timeline-content {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

.timeline-content:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

.timeline-content h3 {
  color: var(--primary-color);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.timeline-content h4 {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.timeline-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.timeline-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline-skills li {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-color);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-light);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.contact-details h3 {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.contact-details a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-details a:hover {
  color: var(--primary-color);
}

/* Contact Form */
.contact-form {
  background: var(--bg-secondary);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 3rem 0 1rem;
}

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

.footer-section h3 {
  color: white;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-section p {
  color: #9ca3af;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: #9ca3af;
  text-decoration: none;
  transition: var(--transition);
}

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

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: #9ca3af;
  margin: 0;
}

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

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-color);
}

/* Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  box-shadow: var(--shadow-medium);
}

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

.scroll-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-heavy);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu ul {
    flex-direction: column;
    gap: 0;
    padding: 2rem;
    height: 100%;
  }

  .nav-menu ul li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 1rem;
    text-align: center;
    font-size: 1.1rem;
  }

  .hamburger {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .hero-buttons {
    justify-content: center;
  }

  .profile-card {
    width: 250px;
    height: 250px;
  }

  .profile-img {
    width: 150px;
    height: 150px;
    font-size: 3rem;
  }

  .profile-photo {
    width: 100%;
    height: 100%;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .project-container {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: calc(100% - 40px);
    left: 40px !important;
    text-align: left !important;
  }

  .timeline-item .timeline-marker {
    left: -28px !important;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 4rem 0;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .typing-text {
    font-size: 1.2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .project-container {
    grid-template-columns: 1fr;
  }

  .skill-item {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .skill-bar {
    width: 100%;
  }
}

/* Utility Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Loading Animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}