/* Components CSS - Specific component styles */

/* ===== NAVIGATION ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

/* Brand/Logo */
.navbar-brand {
  flex: 0 0 auto;
}

.brand-link {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-lg);
  transition: var(--transition-fast);
}

.brand-link:hover {
  color: var(--color-secondary);
}

.brand-text {
  font-family: var(--font-heading);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
}

.navbar-toggle:hover,
.navbar-toggle:focus {
  background-color: var(--color-background-alt);
}

.hamburger-line {
  width: 24px;
  height: 3px;
  background-color: var(--color-primary);
  margin: 3px 0;
  transition: var(--transition-fast);
  border-radius: 2px;
}

.navbar-menu {
  display: flex;
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
  }
}

.navbar-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-md);
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link:focus {
  background-color: var(--color-background-alt);
  text-decoration: none;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background-color: var(--color-secondary);
  border-radius: 1px;
}

/* ===== FOOTER ===== */
.site-footer {
  background-color: var(--color-primary);
  color: white;
  padding: var(--space-2xl) 0 var(--space-lg) 0;
  margin-top: auto;
}

.footer-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-title {
  color: white;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.social-links,
.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.social-links li,
.footer-nav li {
  margin-bottom: var(--space-xs);
}

.social-link,
.footer-link {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.social-link:hover,
.social-link:focus,
.footer-link:hover,
.footer-link:focus {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-lg);
  text-align: center;
}

.copyright {
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ===== BLOG COMPONENTS ===== */
.blog-content {
  padding: var(--space-2xl) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  align-items: start;
}

.blog-card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
  overflow: hidden;
  transition: var(--transition-normal);
  height: fit-content;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.blog-card-content {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.blog-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  flex: 1;
}

.blog-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

.blog-date {
  color: var(--color-text-muted);
}

.blog-category {
  background-color: var(--color-secondary);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.blog-link {
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.blog-link::after {
  content: '→';
  transition: var(--transition-fast);
}

.blog-link:hover::after {
  transform: translateX(4px);
}

/* ===== ACADEMICS COMPONENTS ===== */
.academics-content {
  padding: var(--space-2xl) 0;
}

.academic-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
}

.academic-section {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
}

.education-item {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.education-item h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.institution {
  font-size: var(--font-size-lg);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.timeline {
  color: var(--color-text-light);
  font-style: italic;
}

.coursework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.course-category h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.course-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-list li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-light);
}

.course-list li:last-child {
  border-bottom: none;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition-normal);
}

.project-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--box-shadow-sm);
}

.project-card h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.tech-tag {
  background-color: var(--color-background-alt);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ===== CONTACT COMPONENTS ===== */
.contact-content {
  padding: var(--space-2xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-lg);
}

.contact-methods {
  margin-top: var(--space-xl);
}

.contact-method {
  margin-bottom: var(--space-lg);
}

.contact-method h3 {
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.contact-link {
  font-weight: 500;
}

.contact-form-container {
  background: white;
  padding: var(--space-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
}

.contact-form h2 {
  margin-bottom: var(--space-lg);
  text-align: center;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--color-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

/* ===== BLOG POST COMPONENTS ===== */
.blog-post {
  margin-top: 70px; /* Account for fixed header */
}

.post-header {
  background: var(--color-background-alt);
  padding: var(--space-xl) 0;
}

.breadcrumb {
  margin-bottom: var(--space-md);
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--space-xs);
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: '>';
  margin-left: var(--space-xs);
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.post-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  line-height: 1.2;
}

.post-meta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.post-category {
  background: var(--color-secondary);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-weight: 500;
}

.reading-time {
  font-style: italic;
}

.post-content {
  padding: var(--space-2xl) 0;
}

.post-content .container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-3xl);
  max-width: 1200px;
}

.post-body {
  max-width: none;
}

.post-body .lead {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  font-style: italic;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-border);
}

.post-section h2 {
  color: var(--color-primary);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.post-section h3 {
  color: var(--color-secondary);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.post-section p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.post-section ul,
.post-section ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.post-section li {
  margin-bottom: var(--space-xs);
  line-height: 1.6;
}

.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.author-bio,
.related-posts,
.post-tags {
  background: var(--color-background);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-sm);
}

.author-bio h3,
.related-posts h3,
.post-tags h3 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.related-posts ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-posts li {
  margin-bottom: var(--space-sm);
}

.related-posts a {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 500;
}

.related-posts a:hover {
  text-decoration: underline;
}

.post-tags {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.post-tags .tag {
  display: inline-block;
  background: var(--color-background-alt);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-right: var(--space-xs);
  margin-bottom: var(--space-xs);
}

/* ===== MOBILE NAVIGATION ===== */
@media (max-width: 768px) {
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--box-shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
  }
  
  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navbar-nav {
    flex-direction: column;
    gap: 0;
    padding: var(--space-md);
  }
  
  .nav-link {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .academic-sections {
    gap: var(--space-xl);
  }
  
  .academic-section {
    padding: var(--space-lg);
  }
  
  .coursework-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  /* Blog post mobile styles */
  .post-content .container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .post-sidebar {
    order: -1;
  }
  
  .post-meta {
    flex-direction: column;
    gap: var(--space-sm);
  }
}