/* Base Styles */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --primary-bg: rgba(99, 102, 241, 0.1);
  --secondary: #64748b;
  --dark: #1e293b;
  --light: #f8fafc;
  --muted: #94a3b8;
  --border: #e2e8f0;
  --card: #ffffff;
  --background: #f8fafc;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 0.5rem;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --transition: all 0.3s ease;
}

/* Dark Mode */
.dark {
  --primary: #818cf8;
  --primary-dark: #6366f1;
  --primary-light: #c7d2fe;
  --primary-bg: rgba(99, 102, 241, 0.2);
  --secondary: #94a3b8;
  --dark: #f8fafc;
  --light: #1e293b;
  --muted: #64748b;
  --border: #334155;
  --card: #1e293b;
  --background: #0f172a;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--background);
  overflow-x: hidden;
  position: relative;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Background Canvas */
#background-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.subsection-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin: 4rem 0 2rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.dark .header {
  background-color: rgba(15, 23, 42, 0.95);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
}

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

.nav-link {
  color: var(--secondary);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 1.5rem;
  height: 1.25rem;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--dark);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.text-primary {
  color: var(--primary);
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--dark);
  border: 1px solid var(--border);
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}

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

.image-container {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto;
  border: 5px solid var(--primary-bg);
}

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

.about-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--secondary);
}

.about-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.info-item h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.info-item p {
  color: var(--secondary);
  margin-bottom: 0;
}

.about-buttons {
  display: flex;
  gap: 1rem;
}

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

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-icon {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.timeline-content {
  width: calc(50% - 50px);
  padding: 1.5rem;
  background-color: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: auto;
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 20px;
  width: 20px;
  height: 20px;
  background-color: var(--card);
  transform: rotate(45deg);
}

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

.timeline-item:nth-child(even) .timeline-content::before {
  right: -10px;
}

.timeline-content h4 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.timeline-date {
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

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

.timeline-description {
  color: var(--secondary);
}

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

.service-card {
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.service-icon {
  width: 70px;
  height: 70px;
  background-color: var(--primary-bg);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.75rem;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--secondary);
}

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

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

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

.project-image {
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-content {
  padding: 1.5rem;
}

.project-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.project-content p {
  color: var(--secondary);
  margin-bottom: 1rem;
}

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

.tag {
  background-color: var(--primary-bg);
  color: var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

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

.mt-8 {
  margin-top: 2rem;
}

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

/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.skill-card {
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.skill-progress {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem;
}

.skill-circle-bg,
.skill-circle-progress {
  fill: none;
  stroke-width: 8;
}

.skill-circle-bg {
  stroke: var(--border);
}

.skill-circle-progress {
  stroke: var(--primary);
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: calc(283 - (283 * var(--progress)) / 100);
  transform: rotate(-90deg);
  transform-origin: center;
  transition: stroke-dashoffset 1s ease;
}

.skill-percentage {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
  font-size: 1.25rem;
}

.skill-card h3 {
  font-size: 1.125rem;
}

.skills-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.skill-detail h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.skill-detail p {
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.skill-list {
  list-style: none;
}

.skill-list li {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
}

.skill-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  margin-right: 0.75rem;
}

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

.achievement-card {
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.achievement-icon {
  width: 50px;
  height: 50px;
  background-color: var(--primary-bg);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.achievement-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.achievement-org,
.achievement-date {
  color: var(--secondary);
  margin-bottom: 0.25rem;
}

.achievement-description {
  color: var(--secondary);
  margin-top: 0.75rem;
}

/* Testimonials Section */
.testimonials-slider {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  flex: 0 0 100%;
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin: 0 1rem;
}

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

.testimonial-content {
  color: var(--secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-info h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  color: var(--secondary);
  font-size: 0.875rem;
}

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2rem;
  gap: 1rem;
}

.testimonial-prev,
.testimonial-next {
  background-color: var(--card);
  border: 1px solid var(--border);
  color: var(--dark);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-prev:hover,
.testimonial-next:hover {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
}

.testimonial-dots {
  display: flex;
  gap: 0.5rem;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-dot.active {
  background-color: var(--primary);
}

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

.blog-card {
  background-color: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

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

.blog-image {
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.05);
}

.blog-content {
  padding: 1.5rem;
}

.blog-date {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.blog-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.blog-content p {
  color: var(--secondary);
  margin-bottom: 1rem;
}

.blog-link {
  color: var(--primary);
  font-weight: 500;
  display: inline-block;
}

.blog-link:hover {
  text-decoration: underline;
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--secondary);
  margin-bottom: 2rem;
}

.contact-details {
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary-bg);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--secondary);
}

.social-links h4 {
  margin-bottom: 1rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: var(--border);
  color: var(--dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: var(--primary);
  color: white;
}

.contact-form-container {
  position: relative;
}

.contact-form {
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--background);
  color: var(--dark);
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-bg);
}

.form-success {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--card);
  border-radius: var(--radius);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.form-success.active {
  opacity: 1;
  visibility: visible;
}

.success-icon {
  width: 70px;
  height: 70px;
  background-color: var(--primary-bg);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.form-success h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.form-success p {
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  background-color: var(--card);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-about h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-about p {
  color: var(--secondary);
  margin-bottom: 1rem;
}

.footer-links h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links ul li a {
  color: var(--secondary);
}

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

.footer-newsletter h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.footer-newsletter p {
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--background);
  color: var(--dark);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  color: var(--secondary);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

/* Animation Classes */
.animate-fade-in {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
}

.animate-item {
  opacity: 0;
  transform: translateY(30px);
}

.animate-item.active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .about-content,
  .skills-details,
  .contact-container {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 30px;
  }

  .timeline-icon {
    left: 30px;
  }

  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }

  .timeline-item:nth-child(even) .timeline-content::before,
  .timeline-item:nth-child(odd) .timeline-content::before {
    left: -10px;
  }

  .nav-list {
    display: none;
  }

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

  .mobile-menu-open .nav-list {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--card);
    padding: 1rem;
    box-shadow: var(--shadow);
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .projects-grid,
  .services-grid,
  .blog-grid,
  .achievements-grid {
    grid-template-columns: 1fr;
  }
}

/* Dark Mode Toggle */
.theme-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 99;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: scale(1.1);
}