@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");

:root {
  --primary-bg: #0a0a0a;
  --secondary-bg: #1a1a1a;
  --accent-bg: #2a2a2a;
  --primary-text: #ffffff;
  --secondary-text: #b0b0b0;
  --accent-text: #70c0e8;
  --highlight: #00d4ff;
  --highlight-hover: #0099cc;
  --success: #00ff88;
  --warning: #ffaa00;
  --glass-bg: rgba(42, 42, 42, 0.8);
  --glass-border: rgba(255, 255, 255, 0.1);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
}

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

html {
  scroll-behavior: smooth;
}

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

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--highlight);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--highlight-hover);
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 2rem;
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--secondary-text);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--highlight);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--highlight);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

main {
  margin-top: 90px;
}

.hero {
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(0, 212, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(102, 126, 234, 0.1) 0%,
      transparent 50%
    );
  z-index: -1;
}

.hero-content {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(
    135deg,
    var(--primary-text) 0%,
    var(--highlight) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text .subtitle {
  font-size: 1.5rem;
  color: var(--secondary-text);
  margin-bottom: 2rem;
}

.typing-text {
  color: var(--highlight);
  font-weight: 600;
}

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

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

.btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
}

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

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

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-avatar {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: var(--gradient-primary);
  padding: 5px;
  animation: float 6s ease-in-out infinite;
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-text);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--highlight);
  color: white;
  transform: translateY(-3px);
}

.section {
  padding: 6rem 2rem;
}

.section.alt-bg {
  background: var(--secondary-bg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 3rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
  color: var(--secondary-text);
  font-size: 1.15rem;
  line-height: 1.8;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  border-color: var(--highlight);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--highlight);
  display: block;
}

.stat-label {
  color: var(--secondary-text);
  margin-top: 0.5rem;
}

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

.skills-container,
.research-grid,
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.skill-category,
.research-paper,
.project-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.skill-category:hover,
.research-paper:hover,
.project-card:hover {
  border-color: var(--highlight);
  transform: translateY(-3px);
}

.skill-category h3 {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  color: var(--highlight);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.skill-tag {
  background: var(--secondary-bg);
  color: var(--primary-text);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.skill-tag:hover {
  background: var(--highlight);
  color: white;
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::after {
  content: "";
  position: absolute;
  width: 3px;
  background: var(--highlight);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1.5px;
}

.timeline-item {
  padding: 2rem 2rem;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  right: -10px;
  background: var(--highlight);
  border-radius: 50%;
  top: 2.5rem;
  z-index: 1;
}

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

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

.timeline-content {
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  position: relative;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  border-color: var(--highlight);
  transform: translateY(-5px);
}

.timeline-date {
  color: var(--highlight);
  font-weight: 600;
  font-size: 0.9rem;
}

.timeline-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

.timeline-company {
  color: var(--accent-text);
  font-weight: 600;
  margin-bottom: 1rem;
}

.timeline-description {
  color: var(--secondary-text);
  line-height: 1.6;
}

.project-icon {
  font-size: 3rem;
  color: var(--highlight);
  margin-bottom: 1rem;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

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

.tech-tag {
  background: var(--accent-bg);
  color: var(--highlight);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 500;
}

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

.project-link {
  color: var(--highlight);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.project-link:hover {
  color: var(--highlight-hover);
}

.paper-status,
.paper-accepted {
  display: inline-block;
  color: var(--primary-bg);
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.paper-status {
  background: var(--warning);
}

.paper-accepted {
  background: var(--success);
}

.paper-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.paper-venue {
  color: var(--accent-text);
  font-weight: 600;
  margin-bottom: 1rem;
}

.paper-venue .project-link {
  color: var(--accent-text);
}

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

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 3rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

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

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

.blog-hero {
  padding-top: 8rem;
  background: radial-gradient(
      circle at top right,
      rgba(0, 212, 255, 0.08),
      transparent 50%
    ),
    radial-gradient(
      circle at bottom left,
      rgba(118, 75, 162, 0.08),
      transparent 55%
    );
}

.blog-hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  align-items: stretch;
}

.blog-hero-text h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(
    135deg,
    var(--primary-text) 0%,
    var(--highlight) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.blog-hero-text p {
  color: var(--secondary-text);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.blog-hero-kicker {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  color: var(--highlight);
  margin-bottom: 1rem;
}

.blog-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.blog-hero-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.blog-hero-card:hover {
  transform: translateY(-4px);
  border-color: var(--highlight);
}

.blog-hero-card-image {
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: contain;
  background: var(--accent-bg);
  transition: transform 0.3s ease;
  display: block;
  padding: 1rem;
}

.blog-hero-card:hover .blog-hero-card-image {
  transform: scale(1.02);
}

.blog-hero-card-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.blog-hero-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
}

.blog-hero-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
  color: var(--primary-text);
}

.blog-hero-card p {
  color: var(--secondary-text);
  line-height: 1.7;
  margin: 0;
}

.blog-hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--secondary-text);
  flex-wrap: wrap;
}

.blog-hero-link {
  color: var(--highlight);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.blog-hero-link::after {
  content: "\2192";
  transition: transform 0.3s ease;
}

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

.blog-controls {
  padding-top: 0;
}

.blog-search {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.75rem 1.25rem;
  margin-bottom: 2rem;
}

.blog-search i {
  color: var(--secondary-text);
  margin-right: 0.75rem;
  font-size: 1.2rem;
}

.blog-search input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--primary-text);
  font-size: 1rem;
}

.blog-search input:focus {
  outline: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.blog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.filter-label {
  color: var(--secondary-text);
  font-weight: 500;
}

.filter-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-button {
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 0.65rem 1.4rem;
  color: var(--secondary-text);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.filter-button:hover,
.filter-button.active {
  color: var(--primary-text);
  border-color: var(--highlight);
  background: rgba(0, 212, 255, 0.15);
}

.blog-featured {
  padding-top: 4rem;
}

.featured-post {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.08),
    rgba(118, 75, 162, 0.08)
  );
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
}

.featured-content h2 {
  font-size: clamp(2rem, 3vw, 2.5rem);
  margin-bottom: 1rem;
}

.featured-content p {
  color: var(--secondary-text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--secondary-text);
  margin-bottom: 1.5rem;
}

.featured-meta i {
  color: var(--highlight);
  margin-right: 0.4rem;
}

.featured-aside {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
}

.featured-aside h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.featured-aside ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  color: var(--secondary-text);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--highlight);
}

.blog-card-thumbnail {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: contain;
  background: var(--accent-bg);
  transition: transform 0.3s ease;
  display: block;
  padding: 1rem;
}

.blog-card:hover .blog-card-thumbnail {
  transform: scale(1.02);
}

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}

.blog-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--secondary-text);
}

.blog-card-badge {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card-badge.technical {
  background: rgba(0, 212, 255, 0.15);
  color: var(--highlight);
}

.blog-card-badge.general {
  background: rgba(255, 170, 0, 0.18);
  color: var(--warning);
}

.blog-card-badge.community {
  background: rgba(102, 126, 234, 0.18);
  color: #8ca6ff;
}

.blog-card h3 {
  font-size: 1.4rem;
  line-height: 1.4;
}

.blog-card p {
  color: var(--secondary-text);
  line-height: 1.7;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.blog-card-tags span {
  background: var(--accent-bg);
  color: var(--accent-text);
  padding: 0.35rem 0.75rem;
  border-radius: 12px;
  font-size: 0.85rem;
}

.blog-card-link {
  color: var(--highlight);
  font-weight: 600;
  text-decoration: none;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.blog-card-link::after {
  content: "\2192";
  transition: transform 0.3s ease;
}

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

.blog-pagination {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
}

.blog-pagination .btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

.blog-newsletter {
  padding-top: 4rem;
}

.newsletter-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  align-items: center;
}

.newsletter-content h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.newsletter-content p {
  color: var(--secondary-text);
  line-height: 1.7;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.newsletter-form input {
  flex: 1;
  min-width: 220px;
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  color: var(--primary-text);
  font-size: 1rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.blog-details {
  padding-top: 2rem;
}

.blog-detail-grid {
  display: grid;
  gap: 2.5rem;
}

.blog-detail {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  scroll-margin-top: 110px;
}

.blog-detail-hero-image {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  background: var(--accent-bg);
  margin: 0;
  display: block;
  padding: 1.5rem;
}

.blog-detail-header {
  padding: 2.5rem 2.5rem 0 2.5rem;
}

.blog-detail-header h1 {
  margin-top: 1rem;
}

.blog-detail-header h2 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin-top: 1rem;
}

.blog-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--secondary-text);
  align-items: center;
}

.blog-detail-meta i {
  color: var(--highlight);
  margin-right: 0.4rem;
}

.blog-detail-badge {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.blog-detail-badge.technical {
  background: rgba(0, 212, 255, 0.12);
  color: var(--highlight);
}

.blog-detail-badge.general {
  background: rgba(255, 170, 0, 0.16);
  color: var(--warning);
}

.blog-detail-badge.community {
  background: rgba(102, 126, 234, 0.16);
  color: #8ca6ff;
}

.blog-detail-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.blog-detail ul,
.blog-detail ol {
  color: var(--secondary-text);
  line-height: 1.7;
  padding-left: 1.2rem;
}

.blog-detail-footer {
  margin-top: 1rem;
  padding: 0 2.5rem 2.5rem 2.5rem;
}

.blog-detail-back {
  color: var(--highlight);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.blog-detail-back::before {
  content: "\2191";
}

.blog-detail-back:hover {
  text-decoration: underline;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  color: var(--secondary-text);
  font-weight: 600;
}

.form-input,
.form-textarea {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 1rem;
  color: var(--primary-text);
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--highlight);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

footer {
  background: var(--primary-bg);
  border-top: 1px solid var(--glass-border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

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

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

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-avatar {
    width: 280px;
    height: 280px;
  }

  .featured-post {
    grid-template-columns: 1fr;
  }

  .blog-hero-actions {
    justify-content: center;
  }

  .newsletter-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .newsletter-form {
    justify-content: center;
  }

  .blog-detail {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 1rem;
  }

  .nav-container {
    justify-content: center;
  }

  .nav-menu {
    display: none;
  }

  .hero {
    padding: 0 1rem;
  }

  .stats-container,
  .skills-container,
  .research-grid,
  .projects-grid,
  .achievements-grid,
  .contact-container {
    grid-template-columns: 1fr;
  }

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

  .timeline-item {
    width: 100%;
    padding-left: 4rem;
    padding-right: 1rem;
  }

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

  .contact-info {
    order: -1;
  }

  .blog-filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-pagination {
    flex-direction: column;
  }

  .blog-detail {
    padding: 0;
  }

  .blog-detail-hero-image {
    height: auto;
    max-height: 350px;
  }

  .blog-detail-header {
    padding: 1.75rem 1.75rem 0 1.75rem;
  }

  .blog-detail .blog-content {
    padding: 0 1.75rem;
  }

  .blog-detail-footer {
    padding: 0 1.75rem 1.75rem 1.75rem;
  }
}

/* ===== Blog Content Styling (Markdown Rendered) ===== */
.blog-content {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  line-height: 1.8;
  font-size: 1.05rem;
}

.blog-detail .blog-content {
  padding: 0 2.5rem;
  margin: 1.5rem auto;
}

.blog-content h1,
.blog-content h2,
.blog-content h3,
.blog-content h4 {
  color: var(--primary-text);
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.blog-content h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

.blog-content h2 {
  font-size: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-bg);
}

.blog-content h3 {
  font-size: 1.5rem;
  color: var(--accent-text);
}

.blog-content h4 {
  font-size: 1.25rem;
}

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

.blog-content strong {
  color: var(--primary-text);
  font-weight: 600;
}

.blog-content em {
  color: var(--accent-text);
}

.blog-content a {
  color: var(--highlight);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.blog-content a:hover {
  border-bottom-color: var(--highlight);
}

.blog-content ul,
.blog-content ol {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
  color: var(--secondary-text);
}

.blog-content li {
  margin-bottom: 0.5rem;
}

.blog-content blockquote {
  border-left: 4px solid var(--highlight);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--secondary-text);
  background: var(--secondary-bg);
  padding: 1rem 1.5rem;
  border-radius: 4px;
}

.blog-content pre {
  background: var(--secondary-bg);
  border: 1px solid var(--accent-bg);
  border-radius: 8px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
}

.blog-content code {
  background: var(--secondary-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9em;
  color: var(--highlight);
}

.blog-content pre code {
  background: none;
  padding: 0;
  color: var(--primary-text);
}

.blog-content hr {
  border: none;
  border-top: 2px solid var(--accent-bg);
  margin: 3rem 0;
}

.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 2rem auto;
  display: block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  opacity: 1 !important; /* Ensure images are always visible */
}

.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--secondary-bg);
  border-radius: 8px;
  overflow: hidden;
}

.blog-content th,
.blog-content td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--accent-bg);
}

.blog-content th {
  background: var(--accent-bg);
  color: var(--primary-text);
  font-weight: 600;
}

.blog-content tr:last-child td {
  border-bottom: none;
}

.blog-author {
  color: var(--secondary-text);
  font-style: italic;
  margin-top: 0.5rem;
}

.blog-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid var(--accent-bg);
}

.blog-detail-tags .tag {
  background: var(--secondary-bg);
  color: var(--accent-text);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--accent-bg);
}

/* Back button styling */
#back-to-grid {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

#back-to-grid i {
  transition: transform 0.3s ease;
}

#back-to-grid:hover i {
  transform: translateX(-4px);
}

@media (max-width: 768px) {
  .blog-content {
    font-size: 1rem;
    padding: 0 0.5rem;
  }

  .blog-content h1 {
    font-size: 2rem;
  }

  .blog-content h2 {
    font-size: 1.5rem;
  }

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

  .blog-content pre {
    padding: 1rem;
    font-size: 0.85rem;
  }
}

.blog-image-wrapper {
  position: relative;
  width: 100%;
  min-height: 200px;
  margin: 2rem 0;
  border-radius: 12px;
  overflow: hidden;
  background: var(--glass-bg);
}

.blog-image-wrapper.loading {
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.blog-image-wrapper.loading img {
  opacity: 0;
}

.blog-image-wrapper.loaded img {
  opacity: 1;
}

.blog-image-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-image-loader .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--highlight);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.blog-image-placeholder {
  width: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border: 2px dashed var(--glass-border);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
}

.placeholder-content {
  text-align: center;
  color: var(--secondary-text);
}

.placeholder-content i {
  font-size: 3rem;
  color: var(--secondary-text);
  margin-bottom: 1rem;
  opacity: 0.5;
}

.placeholder-content p {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-text);
}

.placeholder-hint {
  font-size: 0.9rem;
  color: var(--secondary-text);
  opacity: 0.7;
}

.blog-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}