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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #ffffff;
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo a {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1a2e;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-logo a:hover {
  color: #0f3460;
}

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

.nav-link {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #0f3460;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: #0f3460;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
    z-index: 999;
    flex-wrap: wrap; /* so on mobile it stacks */
}

.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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;

}

.hero-title {
  font-family: 'Poppins', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  width: 100%;
}

.highlight {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #4ecdc4;
  white-space: nowrap;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

.btn-secondary {
  border: 2px solid #4ecdc4;
  color: #4ecdc4;
  background: transparent;
}

.btn-secondary:hover {
  background: #4ecdc4;
  color: #1a1a2e;
  transform: translateY(-2px);
}

.hero-image {
  flex: 1 1 50%;
  display: flex;
  justify-content: center;
  align-items: center; /* Add this for vertical centering */
}

.hero-image img {
  width: 450px; /* Fixed width for perfect circle */
  height: 450px; /* Same as width for perfect circle */
  border-radius: 50%;
  object-fit: cover; /* Ensures image fills the circle without distortion */
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  border: 5px solid white; /* Optional: adds a nice border */
}
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border: 2px solid #4ecdc4;
  border-top: none;
  border-right: none;
  transform: rotate(-45deg);
  animation: bounce 2s infinite;
}

/* Section Styles */
section {
  padding: 80px 0;
}

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

.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  background: #f8f9fa;
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #555;
}

.skills {
  margin-top: 2rem;
}

.skills h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  color: #1a1a2e;
  margin-bottom: 1rem;
}

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

.skill-tag {
  background: linear-gradient(45deg, #0f3460, #4ecdc4);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 500;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  z-index: 900;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
}

.stat-number {
  font-family: 'Poppins', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: #0f3460;
}

.stat-label {
  font-size: 1rem;
  color: #666;
  margin-top: 0.5rem;
}

/* Education Section */
/* Horizontal layout for Education timeline */
/* Equalize heights of Education timeline items */
.education .timeline {
  align-items: stretch;
}

.education .timeline-item {
  align-self: stretch;
}

.education .timeline-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.education .timeline {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  justify-content: space-between;
  max-width: 1200px;
  padding-top: 40px;
  position: relative;
}

.education .timeline::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, #0f3460, #4ecdc4);
}

.education .timeline-item {
  flex: 1 1 0;
  width: auto;
  margin: 0;
  padding: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.education .timeline-item:nth-child(odd) {
  align-self: initial;
  justify-content: initial;
  padding: 0;
}

.education .timeline-marker {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.education .timeline-content {
  max-width: 100%;
  margin-top: 46px;
  text-align: center;
}

/* Stack on small screens */
@media (max-width: 768px) {
  .education .timeline {
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 0;
  }
  .education .timeline::before {
    display: none;
  }
  .education .timeline-marker {
    display: none;
  }
  .education .timeline-content {
    margin-top: 0;
    text-align: left;
  }
}
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #0f3460, #4ecdc4);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 30px;
  position: relative;
  margin: 50px 0;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  align-self: flex-end;
  justify-content: flex-start;
  padding-left: 30px;
  padding-right: 0;
}

.timeline-marker {
  display: flex;
  align-self: center;
  width: 16px;
  height: 16px;
  background: #4ecdc4;
  border: 4px solid #fff;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(78, 205, 196, 0.3);
}

.timeline-content {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  max-width: 350px;
  transition: transform 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-5px);
}

.timeline-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 0.5rem;
}

.timeline-institution {
  color: #0f3460;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-date {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.timeline-description {
  color: #555;
  line-height: 1.6;
}

/* Projects Section */
.projects {
  background: #f8f9fa;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.project-card {
  background: white;
  border-radius: 15px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.project-image {
  text-align: center;
  margin-bottom: 1.5rem;
}

.project-image i {
  font-size: 3rem;
  color: #0f3460;
}

.project-title {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 1rem;
}

.project-description {
  color: #555;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tech-tag {
  background: #e9ecef;
  color: #0f3460;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

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

.project-link {
  color: #0f3460;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.project-link:hover {
  color: #4ecdc4;
}

.projects-cta {
  text-align: center;
}

/* Contact Section */
.contact-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

/* Make the three items (Email, Phone, Location) appear in one line as columns */
.contact-info {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  align-items: start;
  justify-items: center;
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  margin-bottom: 0;
  text-align: center;
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, #0f3460, #4ecdc4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.contact-details h3 {
  font-family: 'Poppins', sans-serif;
  color: #1a1a2e;
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: #555;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
}

.social-link {
  width: 50px;
  height: 50px;
  background: linear-gradient(45deg, #0f3460, #4ecdc4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.social-link:hover {
  transform: translateY(-3px) scale(1.1);
}

/* Stack vertically on small screens */
@media (max-width: 768px) {
  .contact-info {
    grid-template-columns: 1fr;
  }
}

/* Footer */
.footer {
  background: #1a1a2e;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0) rotate(-45deg); }
  50% { transform: translateY(-10px) rotate(-45deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .about-stats {
    flex-direction: row;
    justify-content: space-around;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 50px;
    padding-right: 0;
    justify-content: flex-start;
  }
  
  .timeline-item:nth-child(odd) {
    padding-left: 50px;
    padding-right: 0;
    justify-content: flex-start;
  }
  
  .timeline-marker {
    left: 20px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-item {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .skill-tags {
    justify-content: center;
  }
  
  .hero-avatar {
    font-size: 8rem;
  }
}