/* ================================
   Global Styles
   ================================ */

html {
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
}

/* ================================
   Header & Navigation
   ================================ */

header {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.blog-header-logo {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-size: 1.75rem;
  font-weight: 700;
}

.nav-pills .nav-link {
  color: #6c757d;
  font-weight: 500;
  padding: 0.5rem 1rem;
  margin-right: 0.5rem;
  border-radius: 0.25rem;
  transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
  color: #007bff;
  background-color: #f8f9fa;
}

.nav-pills .nav-link:active {
  background-color: #007bff;
  color: white;
}

/* ================================
   Typography
   ================================ */

.display-4 {
  font-size: 2.5rem;
}

@media (min-width: 768px) {
  .display-4 {
    font-size: 3rem;
  }
}

.blog-title {
  margin-bottom: 0;
  font-size: 2rem;
  font-weight: 400;
}

.blog-description {
  font-size: 1.1rem;
  color: #999;
}

@media (min-width: 40em) {
  .blog-title {
    font-size: 3.5rem;
  }
}

/* ================================
   Utility Classes
   ================================ */

.flex-auto {
  flex: 0 0 auto;
}

.h-250 {
  height: 250px;
}

@media (min-width: 768px) {
  .h-md-250 {
    height: 250px;
  }
}

.card-img-right {
  height: 100%;
  border-radius: 0 3px 3px 0;
}
/* ================================
   Blog Posts
   ================================ */

.blog-post {
  margin-bottom: 4rem;
}

/* ================================
   Paper-like Publications Pages
   ================================ */

/* Container for paper effect */
.blog-post.paper-style {
  max-width: 850px;
  margin: 3rem auto 4rem;
  padding: 4rem;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), 
              0 4px 16px rgba(0, 0, 0, 0.08),
              0 0 0 1px rgba(0, 0, 0, 0.05);
  border-radius: 2px;
  position: relative;
}

/* Paper texture overlay */
.blog-post.paper-style::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(90deg, rgba(0, 0, 0, 0.01) 1px, transparent 1px),
    linear-gradient(rgba(0, 0, 0, 0.01) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  border-radius: 2px;
  opacity: 0.3;
}

/* Typography improvements for paper style */
.blog-post.paper-style h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2.25rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: #1a1a1a;
  text-align: center;
  font-weight: 700;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.blog-post.paper-style .blog-post-meta {
  text-align: center;
  font-size: 1rem;
  margin-bottom: 2.5rem;
  color: #666;
  font-style: italic;
  padding-bottom: 2rem;
  border-bottom: 2px solid #e9ecef;
}

/* Section styling for paper */
.blog-post.paper-style section {
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.blog-post.paper-style section h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #ddd;
}

.blog-post.paper-style section p {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
  text-align: justify;
  margin-bottom: 1rem;
}

.blog-post.paper-style section ul {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.blog-post.paper-style section ul li {
  margin-bottom: 0.5rem;
}

.blog-post.paper-style section ul li strong {
  color: #2c3e50;
}

/* Button styling in paper context */
.blog-post.paper-style .btn {
  margin: 0.25rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Footer navigation in paper */
.blog-post.paper-style > div.border-top {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid #e9ecef !important;
}

/* Responsive adjustments for paper style */
@media (max-width: 992px) {
  .blog-post.paper-style {
    padding: 3rem 2.5rem;
    margin: 2rem auto;
  }
}

@media (max-width: 768px) {
  .blog-post.paper-style {
    padding: 2rem 1.5rem;
    margin: 1rem auto;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  }
  
  .blog-post.paper-style h1 {
    font-size: 1.75rem;
  }
  
  .blog-post.paper-style section h2 {
    font-size: 1.35rem;
  }
  
  .blog-post.paper-style section p,
  .blog-post.paper-style section ul {
    font-size: 1rem;
    text-align: left;
  }
}

@media (max-width: 576px) {
  .blog-post.paper-style {
    padding: 1.5rem 1rem;
  }
  
  .blog-post.paper-style h1 {
    font-size: 1.5rem;
  }
}

.blog-post-title {
  margin-bottom: 0.25rem;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .blog-post-title {
    font-size: clamp(1.2rem, 5vw, 1.8rem);
  }
}

.blog-post-meta {
  margin-bottom: 1.25rem;
  color: #999;
}

/* Blog Pagination */
.blog-pagination {
  margin-bottom: 4rem;
}

.blog-pagination > .btn {
  border-radius: 2rem;
}

/* ================================
   Footer
   ================================ */

.blog-footer {
  padding: 2.5rem 0;
  color: #999;
  text-align: center;
  background-color: #f9f9f9;
  border-top: 0.05rem solid #e5e5e5;
}

.blog-footer p:last-child {
  margin-bottom: 0;
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 768px) {
  .resume-item .d-flex {
    flex-direction: column;
  }

  .resume-item .text-right {
    text-align: left !important;
    margin-top: 0.5rem;
  }

  .resume-section h2 {
    font-size: 2rem;
  }

  .resume-section h3 {
    font-size: 1.5rem;
  }
}

/* ================================
   Resume Section
   ================================ */

.resume-section {
  background-color: #ffffff;
}

/* Resume Headers */
.resume-section h2 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 2rem;
}

.resume-section h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e9ecef;
}

.resume-section h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #212529;
  margin-bottom: 0.25rem;
}

/* Resume Item Cards */
.resume-item {
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-left: 4px solid #e9ecef;
  background-color: #fafafa;
  border-radius: 0 8px 8px 0;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.resume-item:hover {
  border-left-color: #007bff;
  background-color: #f8f9fa;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: translateX(2px);
}

.resume-item .d-flex {
  margin-bottom: 1rem;
}

/* Resume Item Content */
.resume-item .font-weight-bold {
  color: #495057;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.resume-item p.mb-2 {
  color: #6c757d;
  line-height: 1.7;
  font-size: 0.95rem;
}

.resume-item .text-muted {
  font-size: 0.9rem;
}

.resume-item small {
  font-size: 0.85rem;
}

/* Project Sections within Resume Items */
.resume-item .ml-3 {
  margin-left: 0 !important;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #e9ecef;
}

.resume-item .ml-3:first-child {
  margin-top: 0.5rem;
  padding-top: 0;
  border-top: none;
}

/* Skills Section */
.skills-list {
  line-height: 2.5;
}

.skills-list .badge {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 20px;
}

/* Anchor Links */
#resume,
#education,
#experience,
#skills,
#blog,
#about {
  scroll-margin-top: 20px;
}

/* ================================
   Timeline Design
   ================================ */

.timeline {
  position: relative;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 77px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, #007bff, #6c757d);
}

.timeline-item {
  position: relative;
  padding-left: 120px;
  margin-bottom: 1.5rem;
}

.timeline-marker {
  position: absolute;
  left: 70px;
  top: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #007bff;
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px #007bff;
  z-index: 1;
}

.timeline-year {
  position: absolute;
  left: 0;
  top: 5px;
  font-weight: 700;
  color: #007bff;
  font-size: 1rem;
  writing-mode: horizontal-tb;
}

.timeline-content {
  background: #fafafa;
  border-left: 3px solid #e9ecef;
  border-radius: 0 6px 6px 0;
  padding: 0.75rem 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  border-left-color: #007bff;
  background-color: #f8f9fa;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transform: translateX(2px);
}

.timeline-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.timeline-content a {
  font-size: clamp(0.7rem, 1.5vw, 0.95rem);
  font-weight: 600;
}

.timeline-content .text-muted {
  font-size: clamp(0.65rem, 1.3vw, 0.85rem);
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
  
  .timeline-marker {
    left: 6px;
  }
  
  .timeline-year {
    display: none;
  }
}