/* Advanced Animations */

/* About Section */
.about-section {
  background: var(--secondary-color);
}

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

.about-heading {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 1.5rem;
}

.about-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

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

.highlight {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem;
  background: rgba(0, 171, 240, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 171, 240, 0.2);
  transition: all var(--transition-normal);
}

.highlight:hover {
  transform: translateY(-2px);
  background: rgba(0, 171, 240, 0.15);
}

.highlight i {
  color: var(--primary-color);
  font-size: 1.2rem;
}

.highlight span {
  color: var(--text-color);
  font-weight: 500;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.stat-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.stat-info h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.2rem;
}

.stat-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.about-image-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image {
  width: 100%;
  height: 600px;
  
  object-fit: cover;
  object-position: center middle;
  transition: transform var(--transition-slow);
}

.about-image-container:hover .about-image {
  transform: scale(1.05);
}

.about-image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  padding: 2rem;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.about-image-container:hover .about-image-overlay {
  transform: translateY(0);
}

.overlay-content h4 {
  color: white;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.overlay-content p {
  color: var(--primary-color);
  font-weight: 500;
}

/* Skills Section */
.skills-section {
  background: var(--bg-color);
}

.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.skill-category {
  background: rgba(17, 46, 66, 0.5);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.category-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
}

.category-title i {
  color: var(--primary-color);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.skill-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.skill-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 171, 240, 0.1),
    transparent
  );
  transition: left var(--transition-slow);
}

.skill-item:hover::before {
  left: 100%;
}

.skill-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.skill-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  color: white;
  font-weight: 600;
  border: 2px solid var(--border-color);
  transition: all var(--transition-normal);
}

.skill-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  transition: all var(--transition-normal);
}

.skill-item:hover .skill-icon {
  border-color: var(--primary-color);
  background: rgba(0, 171, 240, 0.1);
}

.skill-item:hover .skill-icon img {
  filter: brightness(1) invert(0);
  transform: scale(1.1);
}

.skill-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.skill-progress {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: left;
  animation: progressFill 1.5s ease-out forwards;
}

@keyframes progressFill {
  to {
    transform: scaleX(1);
  }
}

/* Projects Section */
.projects-section {
  background: var(--secondary-color);
}

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

.project-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  position: relative;
}

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

.project-image {
  position: relative;
  height: 300px;
  overflow: hidden;
}

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

.project-img-contain {
  object-fit: contain;
  background-color: var(--bg-light);
}

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

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

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

.project-link {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.project-link:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.project-content {
  padding: 2rem;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 1rem;
}

.project-description {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

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

.tech-tag {
  background: rgba(0, 171, 240, 0.2);
  color: var(--primary-color);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(0, 171, 240, 0.3);
}

/* Experience Section */
.experience-section {
  background: var(--bg-color);
}

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

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

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

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  transform: translateX(-50%);
  border: 4px solid var(--bg-color);
  box-shadow: 0 0 0 4px var(--primary-color);
}

.timeline-content {
  position: relative;
  width: 45%;
  padding: 2rem;
  background: rgba(17, 46, 66, 0.5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 0;
  margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
  margin-right: 0;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: 0;
  transform: translateX(-50%);
}

.timeline-item:nth-child(odd) .timeline-marker {
  left: 100%;
  transform: translateX(-50%);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.timeline-date {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.timeline-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.timeline-description {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.timeline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 171, 240, 0.2);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

.timeline-badge.achievement {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-color);
}

/* Contact Section */
.contact-section {
  background: var(--secondary-color);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-heading {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 1.5rem;
}

.contact-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.contact-method:hover {
  transform: translateX(10px);
  border-color: var(--primary-color);
  background: rgba(0, 171, 240, 0.1);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.contact-details h4 {
  color: var(--text-color);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.contact-details a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

/* Contact Form */
.contact-form-container {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: 2rem;
  border: 1px solid var(--border-color);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.form-group:last-child {
  margin-bottom: 0;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-color);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: all var(--transition-normal);
}

.form-input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  background: var(--bg-color);
  box-shadow: 0 0 0 3px rgba(0, 171, 240, 0.15);
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-color);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
.footer {
  background: var(--bg-color);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-normal);
}

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

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

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(0, 171, 240, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  text-decoration: none;
  transition: all var(--transition-normal);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Responsive Design for Animations */
@media (max-width: 768px) {
  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

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

  .timeline::before {
    left: 20px;
  }

  .timeline-marker {
    left: 20px !important;
    transform: translateX(-50%) !important;
  }

  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    margin-right: 0 !important;
  }

  .footer-content {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr;
  }

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

  .contact-methods {
    gap: 1rem;
  }

  .contact-method {
    padding: 1rem;
  }
}