/* Base Styles */
:root {
  --primary-color: #1A2238;
  --secondary-color: #F7B633;
  --accent-color: #FF6A3D;
  --text-color: #333333;
  --text-light: #666666;
  --light-bg: #F4F7FA;
  --dark-bg: #121926;
  --white: #FFFFFF;
  --border-radius: 8px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Lato', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-bg);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

img {
  max-width: 100%;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  font-size: 2.5rem;
  color: var(--primary-color);
}

.section-title::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 4px;
  background-color: var(--secondary-color);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.sub-section-title {
  text-align: left;
  margin: 2rem 0 1rem;
  font-size: 1.8rem;
  color: var(--white);
}

.highlight {
  color: var(--secondary-color);
}

.bg-alt {
  background-color: var(--primary-color);
  color: var(--white);
}

.bg-alt .section-title {
  color: var(--white);
}

.btn {
  display: inline-block;
  padding: 0.8rem 2.5rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--secondary-color);
}

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

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

.btn-sm {
  padding: 0.5rem 1.5rem;
  font-size: 0.9rem;
}

/* Navigation */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(26, 34, 56, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  transition: var(--transition);
}

#navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: var(--secondary-color);
  font-size: 1.8rem;
  margin: 0;
}

.nav-menu {
  display: flex;
}

.nav-menu li {
  padding: 0 0.8rem;
}

.nav-menu a {
  color: var(--white);
  font-weight: 500;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu .current::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--white);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(135deg, rgba(26, 34, 56, 0.9) 0%, rgba(26, 34, 56, 0.75) 100%), url('./assets/Home_bg_pic.png') no-repeat center center/cover;
  display: flex;
  align-items: center;
  text-align: center;
}

.hero-content {
  color: var(--white);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: #ccc;
}

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

.scroll-down {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--secondary-color);
  cursor: pointer;
  font-size: 1.5rem;
}

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

.about-image {
  flex: 1;
}

.image-container {
  border-radius: 10px;
  overflow: hidden;
  width: 80%;
  max-width: 300px;
  margin: 0 auto;
  aspect-ratio: 3 / 4; /* Or use fixed height */
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


.about-text {
  flex: 2;
}

.about-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.detail {
  display: flex;
  gap: 0.5rem;
}

.label {
  font-weight: 700;
  color: var(--primary-color);
}

.label-email:hover {
  color: #F7B633;
  text-decoration: underline;
  cursor: pointer;
}

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

.social-icon-git {
  width: 35px;
  height: 35px;
}
.social-icon-linkedin {
  width: 35px;
  height: 35px;
}

.social-icon-hackerrank {
  width: 32px;
  height: 32px;
}

.social-icon-leetcode {
  width: 30px;
  height: 30px;
}

.social-links img {
  transition: transform 0.3s ease, filter 0.3s ease;
}

.social-links img:hover {
  transform: scale(1.1);
  filter: brightness(0) saturate(100%) sepia(100%) hue-rotate(10deg) saturate(600%) brightness(90%);
}



/* Education Section - Horizontal Layout */
/* Education Section - Horizontal Layout */
.timeline {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  align-items: stretch; /* Ensures all timeline items stretch equally */
  padding-top: 2rem;
}

.horizontal-timeline {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.timeline::before {
  display: none;
}

/* Make each timeline item a flex container */
.timeline-item {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  position: relative;
  width: calc(33.33% - 2rem);
  min-width: 300px;
  margin-bottom: 2rem;
}

/* For horizontal layout, adjust width accordingly */
.horizontal-timeline .timeline-item {
  width: calc(50% - 1rem);
}

/* Consistent inner padding & alignment */
.timeline-item:nth-child(odd),
.timeline-item:nth-child(even) {
  left: 0;
  padding-right: 1rem;
  padding-left: 1rem;
  text-align: left;
}

/* Timeline icon styling */
.timeline-icon {
  position: absolute;
  top: 0;
  left: 1rem;
  color: var(--secondary-color);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-item:nth-child(odd) .timeline-icon,
.timeline-item:nth-child(even) .timeline-icon {
  left: 1rem;
}

/* Make the content fill the remaining space */
.timeline-content {
  flex: 1; /* Fills available vertical space */
  background-color: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  padding-top: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--secondary-color);
  margin-top: 20px;
  display: flex;         /* Use flex inside the card if needed */
  flex-direction: column;
  justify-content: space-between;
}

/* Content typography */
.timeline-content h3 {
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
}

.timeline-content h4 {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.timeline-date {
  color: #aaa;
  font-style: italic;
  margin-bottom: 1rem;
}


/* Internship Details*/

.internship-details {
  padding-left: 1rem;
}

.internship-details li {
  margin-bottom: 0.5rem;
  position: relative;
}

.internship-details li:before {
  content: '•';
  position: absolute;
  left: -1rem;
  color: var(--secondary-color);
}

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

.skill-category {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.skill-category:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.skill-category h3::after {
  content: '';
  position: absolute;
  width: 50px;
  height: 3px;
  background-color: var(--secondary-color);
  bottom: 0;
  left: 0;
}

.skill-list {
  margin-top: 1rem;
}

.skill-list li {
  padding: 0.5rem 0;
  position: relative;
}

.skill-list li::before {
  content: '•';
  color: var(--secondary-color);
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.project-image {
  height: 200px;
  overflow: hidden;
}

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

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  color: black;
  margin-bottom: 0.5rem;
}

.project-tags {
  margin: 1rem 0;
  display: flex;
  font-size: 20px;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-tags span {
  background-color: rgba(255, 255, 255, 0.1);
  color: black;
  font-style: italic;
  padding: 0.3rem 0.8rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
}

.project-links {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Certificate & Badge Section */
.certificates-container,
.badges-container {
  display: flex;
  overflow-x: auto;
  gap: 1.5rem;
  padding: 1rem 0.5rem;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  padding-bottom: 2rem;
  margin-bottom: 1rem;
}

.certificate-card,
.badge-card {
  min-width: 280px;
  height: 200px;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  background-color: var(--white);
}

.certificate-card:hover,
.badge-card:hover {
  transform: translateY(-10px);
}

.certificate-card img,
.badge-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.certificate-card:hover img,
.badge-card:hover img {
  transform: scale(1.05);
}

.certificate-overlay,
.badge-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 34, 56, 0.85);
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.certificate-card:hover .certificate-overlay,
.badge-card:hover .badge-overlay {
  opacity: 1;
}

.certificate-overlay h3,
.badge-overlay h3 {
  color: var(--secondary-color);
  margin-bottom: 0.5rem;
}

.certificate-overlay p,
.badge-overlay p {
  margin-bottom: 1rem;
  font-style: italic;
}

.view-btn {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.view-btn:hover {
  background-color: #fff;
}

.scroll-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--secondary-color);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  opacity: 0.7;
}

.bg-alt .scroll-indicator {
  color: var(--white);
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  padding-top: 100px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 80%;
  max-height: 80%;
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
}

#caption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 700px;
  text-align: center;
  color: #ccc;
  padding: 10px 0;
  height: 150px;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.contact-email:hover {
  color: #F7B633;
}
.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.contact-item i {
  color: var(--secondary-color);
  font-size: 1.5rem;
}

.contact-item h3 {
  margin-bottom: 0.2rem;
}

.social-links-large {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-links-large .social-link {
  font-size: 1.8rem;
}

.contact-form {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 2px rgba(247, 182, 51, 0.2);
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  color: var(--white);
  padding: 1.5rem 0;
  text-align: center;
}

/* Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.animate-active {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  animation-name: fadeIn;
  animation-duration: 1s;
  animation-fill-mode: both;
}

.slide-in-left {
  animation-name: slideInLeft;
  animation-duration: 1s;
  animation-fill-mode: both;
}

.slide-in-right {
  animation-name: slideInRight;
  animation-duration: 1s;
  animation-fill-mode: both;
}

.scale-in {
  animation-name: scaleIn;
  animation-duration: 0.8s;
  animation-fill-mode: both;
}

.delay-1 {
  animation-delay: 0.3s;
}

.delay-2 {
  animation-delay: 0.6s;
}

.delay-3 {
  animation-delay: 0.9s;
}

.delay-4 {
  animation-delay: 1.2s;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Responsive Design */
@media (max-width: 992px) {
  .timeline-item {
    width: calc(50% - 2rem);
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-image {
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(26, 34, 56, 0.95);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li {
    margin: 1rem 0;
  }
  
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .timeline-item, 
  .horizontal-timeline .timeline-item {
    width: 100%;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.2rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
  
  .cta-buttons .btn {
    width: 200px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .certificate-card,
  .badge-card {
    min-width: 240px;
    height: 180px;
  }
}

@media (max-width: 576px) {
  .section-padding {
    padding: 3rem 0;
  }
  
  .about-details {
    grid-template-columns: 1fr;
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .certificate-card,
  .badge-card {
    min-width: 200px;
    height: 150px;
  }
}