:root {
  --primary: #0a66c2;
  --secondary: #1e293b;
  --light: #f8fafc;
  --dark: #0f172a;
  --accent: #3b82f6;
  --success: #22c55e;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    sans-serif;
}

body {
  background-color: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

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

.nav-links a {
  color: var(--gray-700);
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-700);
}

/* Hero Section */
.hero {
  padding: 5rem 0;
  background: linear-gradient(to right, #0a66c2, #1e40af);
  color: white;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.hero-text {
  flex: 1;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 70%;
  border-radius: 10px;
  /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); */
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  background-color: var(--primary);
  color: white;
  border-radius: 5px;
  font-weight: 500;
  transition: all 0.3s ease;
}

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

.btn-outline {
  background-color: transparent;
  border: 2px solid white;
}

.btn-outline:hover {
  background-color: white;
  color: var(--primary);
}

/* Section Styles */
section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--secondary);
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 50px;
  height: 3px;
  background-color: var(--primary);
}

/* About Section */
.about-content {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.about-image {
  flex: 1;
}

.about-image img {
  width: 100%;
  border-radius: 10px;
}

.about-text {
  flex: 2;
}

.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.skill-tag {
  background-color: var(--gray-100);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--gray-700);
  transition: all 0.3s ease;
}

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

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

.project-card {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.project-image {
  height: 200px;
  background-color: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
}

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

.project-content {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.project-description {
  color: var(--gray-600);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tech span {
  background-color: var(--gray-100);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-size: 0.8rem;
  color: var(--primary);
}

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

.timeline::before {
  content: '';
  position: absolute;
  width: 2px;
  background-color: var(--gray-300);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  margin-bottom: 2rem;
  position: relative;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 2rem;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 2rem;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--primary);
  top: 0;
}

.timeline-item:nth-child(odd)::after {
  right: -10px;
}

.timeline-item:nth-child(even)::after {
  left: -10px;
}

.timeline-content {
  background-color: white;
  padding: 1.5rem;
  border-radius: 5px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.timeline-year {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-title {
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.contact-card {
  background-color: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.contact-value {
  color: var(--gray-600);
  word-break: break-word;
}

.contact-value a {
  color: var(--gray-600);
}

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

/* Footer */
footer {
  background-color: var(--secondary);
  color: white;
  padding: 2rem 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.footer-links a {
  color: var(--gray-300);
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: white;
}

.footer-text {
  color: var(--gray-300);
  font-size: 0.9rem;
}

/* Status Indicator */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--gray-100);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.status-available .status-dot {
  background-color: var(--success);
}

/* Mobile Menu */
#mobile-menu {
  position: fixed;
  top: 0;
  left: -100%;
  width: 80%;
  height: 100%;
  background-color: white;
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 2rem;
  box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
}

#mobile-menu.active {
  left: 0;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
}

.mobile-nav-links a {
  color: var(--gray-700);
  font-size: 1.2rem;
  font-weight: 500;
}

.close-menu {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-700);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero p {
    margin: 0 auto 2rem;
  }

  .about-content {
    flex-direction: column;
    text-align: center;
  }

  .about-image {
    max-width: 300px;
    margin: 0 auto;
  }

  .skills-container {
    justify-content: center;
  }

  .timeline::before {
    left: 40px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 0;
  }

  .timeline-item:nth-child(even) {
    left: 0;
  }

  .timeline-item::after {
    left: 30px;
  }

  .timeline-item:nth-child(odd)::after {
    right: auto;
    left: 30px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

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

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

@media (max-width: 576px) {
  .hero {
    padding: 3rem 0;
  }

  section {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }
}