/* CSS Variables for Theming */
:root {
  --primary-color: #6c63ff;
  --secondary-color: #4a44b5;
  --text-color: #333;
  --bg-color: #f9f9f9;
  --card-bg: #fff;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

.dark-mode {
  --primary-color: #7d76e3;
  --secondary-color: #5a54c7;
  --text-color: #f0f0f0;
  --bg-color: #121212;
  --card-bg: #1e1e1e;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  transition: var(--transition);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

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

section {
  padding: 50px 0;
}

h1,
h2,
h3,
h4 {
  margin-bottom: 15px;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

h3 span {
  color: var(--primary-color);
}

p {
  margin-bottom: 15px;
}

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

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
  text-align: center;
}

.btn:hover {
  background: white;
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border: 2px solid var(--primary-color);
}

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

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

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.projects-grid .card {
  padding: 0;
}

.card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: 20px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.home-content {
  order: 2;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;

  background: var(--card-bg);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  margin-left: auto;
}

.nav-links li {
  margin-left: 30px;
}

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

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

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

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: 20px;
}

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 120px 0 60px;
  min-height: 90vh;
}

.hero-content {
  flex: 2;
  padding-right: 30px;
}

.hero-image {
  flex: 1;
  text-align: center;
  animation: floatImage 4s ease-in-out infinite;
}
@keyframes floatImage {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2.4rem);
  }
  100% {
    transform: translateY(0);
  }
}

.profile-img {
  max-width: 85%;
  width: 100%;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--primary-color);
  box-shadow: var(--shadow);
}

.typing-effect {
  font-size: 1.2rem;
  margin: 20px 0;
  min-height: 60px;
}

.cursor {
  display: inline-block;
  width: 3px;
  margin-left: 5px;
  color: var(--primary-color);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

.social-links {
  display: flex;
  margin: 20px 0;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  margin-right: 15px;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

/* About Section */
.about {
  background: var(--bg-color);
  padding: 0 0;
}

.about-container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.about-image {
  flex: 1;
  text-align: center;
}

.about-img {
  width: 100%;
  max-width: 450px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.about-img:hover {
  transform: scale(1.02);
}

.about-content {
  flex: 1;
}

.about-subtitle {
  font-size: 1.4rem;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-weight: 500;
}

.about-title {
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.about-title span {
  color: var(--primary-color);
}

.about-text {
  margin-bottom: 30px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-highlights {
  margin-bottom: 30px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 15px;
}

.highlight-icon {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-right: 15px;
  margin-top: 5px;
}

/* Education Section within About */
.education-in-about {
  background: var(--card-bg);
  padding: 25px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  margin-bottom: 30px;
}

.education-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.education-title i {
  margin-right: 10px;
}

.education-items {
  display: grid;
  gap: 15px;
}

.education-item {
  padding: 15px;
  background: var(--bg-color);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
}

.education-item:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.education-degree {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 5px;
}

.education-institute {
  font-size: 1rem;
  color: var(--text-color);
  margin-bottom: 8px;
  font-weight: 500;
}

.education-details {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 0.9rem;
}

.education-duration,
.education-location,
.education-percentage {
  display: flex;
  align-items: center;
  background: rgba(108, 99, 255, 0.1);
  padding: 4px 10px;
  border-radius: 15px;
  color: var(--primary-color);
}

.education-duration i,
.education-location i,
.education-percentage i {
  margin-right: 5px;
  font-size: 0.8rem;
}

.education-badge {
  background: var(--primary-color);
  color: white;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  margin-left: 10px;
}

.about-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 20px;
}

.detail-item {
  display: flex;
  align-items: center;
}

.detail-item i {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-right: 10px;
}

.about-buttons {
  display: flex;
  gap: 15px;
}

/* Skills Section */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(271px, 1fr));
  gap: 20px;
}

.skill-category h3 i {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.skill-category i {
  font-size: 1rem;
}

.skill-category h3 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-item {
  background: var(--bg-color);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
}

.skill-item i {
  margin-right: 5px;
  color: var(--primary-color);
}

/* Projects Section */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
  gap: 10px;
}

.filter-btn {
  padding: 8px 20px;
  margin: 5px;
  background: var(--bg-color);
  color: var(--text-color);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-color);
  color: white;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.project-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(rgba(17, 17, 110, 0.3), var(--primary-color));
  color: white;
  transform: translateY(100%);
  transition: var(--transition);
}

.project-card:hover .project-info {
  transform: translateY(0);
}

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

.project-links {
  gap: 20px;
  display: flex;
  margin-top: 15px;
}

.project-links a {
  color: white;
  font-size: 0.9rem;
}

.project-links a i {
  margin-right: 5px;
}

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

.timeline::after {
  content: "";
  position: absolute;
  width: 4px;
  background: var(--primary-color);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -2px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  box-sizing: border-box;
}

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

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

.timeline-content {
  padding: 20px;
  background: var(--card-bg);
  border-radius: 10px;
  box-shadow: var(--shadow);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  top: 20px;
  background: var(--card-bg);
  transform: rotate(45deg);
  box-shadow: 2px -2px 2px rgba(0, 0, 0, 0.1);
}

.timeline-item:nth-child(even) .timeline-content::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  left: -10px;
  top: 20px;
  background: var(--card-bg);
  transform: rotate(45deg);
  box-shadow: -2px 2px 2px rgba(0, 0, 0, 0.1);
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  top: 20px;
  background: var(--primary-color);
  border: 4px solid var(--bg-color);
  border-radius: 50%;
  z-index: 1;
}

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

/* Certifications Section */
.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.certification-card {
  text-align: center;
  padding: 30px 20px;
}

.certification-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.certification-card a i {
  font-size: 1rem;
  color: var(--primary-color);
  margin: 20px;
}

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 80px;
  background-color: var(--bg-color);
  color: var(--primary-color);
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  font-size: 0.8rem;

  /* Position */
  position: absolute;
  z-index: 1;
  bottom: 75%;
  left: 50%;
  margin-left: -40px;

  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  align-items: start;
}

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

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
  padding: 15px;
  background: var(--card-bg);
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.contact-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.contact-item i {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-right: 20px;
  width: 40px;
  text-align: center;
}

.contact-item div h3 {
  margin-bottom: 5px;
  color: var(--primary-color);
}

.contact-item div p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-color);
}

.contact-form.card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 40px 30px; /* Increased padding */
}

.contact-form h3 {
  font-size: 1.8rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-form p {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--text-color);
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 20px;
}

.contact-buttons .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 25px;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}
.contact-buttons .btn i {
  font-size: 1.2rem;
}
.contact-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: "Poppins", sans-serif;
  background: var(--card-bg);
  color: var(--text-color);
  transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Footer */
footer {
  background: var(--card-bg);
  padding: 30px 0;
  text-align: center;
  border-top: 1px solid #eee;
}

.footer-links {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.footer-links a {
  margin: 0 15px;
  color: var(--text-color);
}

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

.footer-iconTop {
  display: flex;
  justify-content: center;
  align-items: center;
  /* margin-right: 30px; */
  padding: 0.9rem;
  background: var(--primary-color);
  border-radius: 0.8rem;
  transition: 0.5s ease;
}

.footer-iconTop a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}

.footer-iconTop i {
  font-size: 1.5rem;
  color: #fff;
}

.footer-iconTop:hover {
  box-shadow: 0 0 1rem var(--primary-color);
  transform: translateY(-3px);
}

/* Fixed Resume Button */
.fixed-resume-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  animation: pulse 2s infinite;
}

.fixed-resume-btn:hover {
  background: var(--secondary-color);
  transform: scale(1.1);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(108, 99, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(108, 99, 255, 0);
  }
}

/* Chatbot */
.chatbot-container {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 100;
  width: 350px;
  background: var(--card-bg);
  border-radius: 10px;
  box-shadow: var(--shadow);
  transform: translateY(calc(100% + 100px));
  transition: var(--transition);
}

.chatbot-container.active {
  transform: translateY(0);
}

.chatbot-header {
  padding: 15px;
  background: var(--primary-color);
  color: white;
  border-radius: 10px 10px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chatbot-messages {
  padding: 15px;
  height: 200px;
  overflow-y: auto;
}

.chatbot-input {
  display: flex;
  padding: 15px;
  border-top: 1px solid #eee;
}

.chatbot-input input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px 0 0 5px;
  outline: none;
}

.chatbot-input button {
  padding: 10px 15px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
}

.chatbot-toggle {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 100;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
}

.chatbot-toggle:hover {
  background: var(--secondary-color);
  transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: left;
  }

  .hero-content {
    padding-right: 0;
    margin-bottom: 30px;
  }

  .social-links {
    justify-content: left;
  }

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

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

  .timeline::after {
    left: 31px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }

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

  .timeline-item::after {
    left: 21px;
  }

  .timeline-item:nth-child(even)::after {
    left: 21px;
  }

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

  .footer-iconTop {
    margin: 0 45px 0 0;
  }
}

@media (max-width: 768px) {
  section {
    padding: 40px 0;
  }

  h2 {
    margin-bottom: 40px;
  }

  .navbar {
    flex-wrap: wrap;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    /* margin-top: 20px; */
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    margin: 5px;
  }

  .hamburger {
    display: block;
  }

  .about-details {
    grid-template-columns: 1fr;
  }

  .about {
    padding: 40px 0;
  }

  .about-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .education-details {
    flex-direction: column;
    gap: 8px;
  }

  .hero {
    padding: 100px 0 40px;
    text-align: center;
    min-height: auto;
  }

  .hero .container {
    flex-direction: column;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 250px;
    width: 100%;
    height: auto;
    margin-top: 25px;
  }

  .hero-content {
    order: 2;
    padding-right: 0;
    width: 100%;
  }

  .social-links {
    justify-content: center;

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

    .chatbot-container {
      width: 300px;
      right: 15px;
    }
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-item {
    margin-bottom: 15px;
    padding: 12px;
  }

  .contact-item i {
    font-size: 1.5rem;
    margin-right: 15px;
    width: 35px;
  }

  .contact-form.card {
    padding: 30px 20px;
  }

  .contact-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .contact-buttons .btn {
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  footer .container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }
  .footer-iconTop {
    order: 2;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .about-title {
    font-size: 1.2rem;
  }

  section {
    padding: 30px 0;
  }

  .hero {
    padding: 80px 0 30px;
    min-height: auto;
  }
  .header {
    height: 70px;
  }
  .navbar {
    padding: 15px 0;
  }
  .hero .container {
    margin-top: 20px;
  }
  .profile-img {
    max-width: 200px;
    margin-top: 25px;
  }
  .hero-content {
    margin-top: 10px;
  }

  .fixed-resume-btn,
  .chatbot-toggle {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .contact-container {
    gap: 25px;
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
    padding: 20px 15px;
  }

  .contact-item i {
    margin-right: 0;
    margin-bottom: 10px;
    font-size: 2rem;
  }

  .contact-form.card {
    padding: 25px 15px;
  }

  .contact-form h3 {
    font-size: 1.5rem;
  }

  .contact-form p {
    font-size: 1rem;
  }

  .contact-buttons .btn {
    padding: 12px 15px;
    font-size: 0.9rem;
  }

  .footer-iconTop i {
    font-size: 1.2rem;
  }
  footer .container {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .footer-iconTop {
    order: 2;
    margin-top: 10px;
  }

  footer .container p {
    order: 1;
  }
}