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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: #0f172a;
  background-color: #ffffff;
  font-feature-settings: "rlig" 1, "calt" 1;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}

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

.logo {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
  transition: color 0.2s ease;
}

.logo:hover {
  color: #64748b;
}

.nav {
  display: none;
  gap: 2rem;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: #0f172a;
}

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  color: #0f172a;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s ease;
}

.mobile-menu-btn:hover {
  background-color: #f8fafc;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.hero {
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
  padding: 4rem 0;
  text-align: center;
}

@media (min-width: 768px) {
  .hero {
    padding: 6rem 0;
  }
}

.hero-content {
  max-width: 64rem;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #0f172a;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 4rem;
  }
}

.hero p {
  font-size: 1.125rem;
  color: #64748b;
  margin-bottom: 2rem;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .hero p {
    font-size: 1.25rem;
  }
}

.articles-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .articles-section {
    padding: 6rem 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #0f172a;
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: 2.5rem;
  }
}

.section-header p {
  color: #64748b;
  max-width: 32rem;
  margin: 0 auto;
  line-height: 1.7;
}

.articles-grid {
  display: grid;
  gap: 2rem;
  max-width: 80rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  background-color: #ffffff;
  border-radius: 0.375rem;
  overflow: hidden;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s ease;
}

.article-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.article-card a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.article-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  background-color: #f8fafc;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.article-content {
  padding: 1.5rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #64748b;
  margin-bottom: 0.75rem;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #0f172a;
  line-height: 1.3;
  transition: color 0.2s ease;
}

.article-card:hover .article-content h3 {
  color: #0f172a;
}

.article-excerpt {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.footer {
  background-color: #ffffff;
  border-top: 1px solid #e2e8f0;
  padding: 2rem 0;
}

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

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
  }
}

.footer-brand h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.footer-brand p {
  font-size: 0.875rem;
  color: #64748b;
  max-width: 20rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 768px) {
  .footer-links {
    align-items: flex-end;
  }
}

.footer-links nav {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: #64748b;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #0f172a;
}

.copyright {
  font-size: 0.75rem;
  color: #64748b;
}

.author-link {
  text-decoration: none;
  color: inherit;
  display: contents;
  transition: opacity 0.2s ease;
}

.author-link:hover {
  opacity: 0.8;
}

.author-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  padding: 2rem 0;
}

@media (min-width: 768px) {
  .author-hero {
    flex-direction: row;
    text-align: left;
    gap: 3rem;
  }
}

.author-hero-avatar {
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-hero-content h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

@media (min-width: 768px) {
  .author-hero-content h1 {
    font-size: 2.5rem;
  }
}

.author-hero-tagline {
  font-size: 1.125rem;
  color: #64748b;
  margin-bottom: 1.5rem;
}

.author-hero-stats {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .author-hero-stats {
    justify-content: flex-start;
  }
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 600;
  color: #0f172a;
}

.stat-label {
  font-size: 0.875rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.author-bio-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .author-bio-section {
    padding: 6rem 0;
  }
}

.author-bio-content {
  max-width: 64rem;
  margin: 0 auto;
  text-align: center;
}

@media (min-width: 768px) {
  .author-bio-content {
    text-align: left;
  }
}

.author-bio-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #0f172a;
}

.author-bio-content p {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.expertise-section {
  padding: 4rem 0;
  background-color: #f8fafc;
}

@media (min-width: 768px) {
  .expertise-section {
    padding: 6rem 0;
  }
}

.expertise-grid {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .expertise-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.expertise-card {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 0.375rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s ease;
}

.expertise-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.expertise-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.expertise-card p {
  color: #64748b;
  line-height: 1.6;
  font-size: 0.875rem;
}

.achievements-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .achievements-section {
    padding: 6rem 0;
  }
}

.achievements-grid {
  display: grid;
  gap: 2rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.achievement-item {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 0.375rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.achievement-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.achievement-item p {
  color: #64748b;
  line-height: 1.6;
  font-size: 0.875rem;
}

.recent-articles-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .recent-articles-section {
    padding: 6rem 0;
  }
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 640px) {
  .contact-buttons {
    flex-direction: row;
    justify-content: center;
  }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 4rem;
  left: 0;
  right: 0;
  background-color: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  z-index: 40;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  padding: 1rem;
}

.mobile-menu-nav a {
  padding: 0.75rem 1rem;
  color: #64748b;
  text-decoration: none;
  border-radius: 0.375rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.mobile-menu-nav a:hover,
.mobile-menu-nav a.active {
  background-color: #f8fafc;
  color: #0f172a;
}

.article-header {
  text-align: center;
  margin-bottom: 3rem;
}

.article-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  margin-top: 2rem;
  color: #0f172a;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .article-header h1 {
    font-size: 3rem;
  }
}

.article-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .article-author {
    flex-direction: row;
    gap: 1rem;
  }
}

.author-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  object-fit: cover;
}

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

@media (min-width: 640px) {
  .author-info {
    text-align: left;
  }
}

.author-name {
  font-weight: 500;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.author-tagline {
  font-size: 0.875rem;
  color: #64748b;
}

.article-date {
  font-size: 0.875rem;
  color: #64748b;
}

.article-featured-image {
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
}

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

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.tag {
  background-color: #f8fafc;
  color: #64748b;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.article-body {
  max-width: none;
  font-family: "Playfair Display", Georgia, serif;
  line-height: 1.7;
  color: #0f172a;
}

.article-body p {
  margin-bottom: 1.5rem;
  text-align: justify;
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: #0f172a;
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.author-bio {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #e2e8f0;
}

.author-bio-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .author-bio-content {
    flex-direction: row;
    align-items: flex-start;
  }
}

.author-bio-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-bio-info {
  text-align: center;
}

@media (min-width: 640px) {
  .author-bio-info {
    text-align: left;
  }
}

.author-bio-name {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.author-bio-tagline {
  font-size: 0.875rem;
  color: #64748b;
  margin-bottom: 0.75rem;
}

.author-bio-text {
  color: #64748b;
  line-height: 1.6;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #64748b;
  text-decoration: none;
  margin-top: 3rem;
  margin-bottom: 1.3rem;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: #0f172a;
}

.mission-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .mission-section {
    padding: 6rem 0;
  }
}

.mission-grid {
  display: grid;
  gap: 3rem;
  max-width: 64rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mission-column h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #0f172a;
}

.mission-column p {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.topic-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.topic-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #64748b;
}

.topic-bullet {
  width: 0.5rem;
  height: 0.5rem;
  background-color: #0f172a;
  border-radius: 50%;
  flex-shrink: 0;
}

.values-section {
  background-color: #f8fafc;
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .values-section {
    padding: 6rem 0;
  }
}

.values-grid {
  display: grid;
  gap: 2rem;
  max-width: 64rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 0.375rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  text-align: center;
}

.value-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.value-card p {
  color: #64748b;
  line-height: 1.6;
}

.authors-section {
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .authors-section {
    padding: 6rem 0;
  }
}

.authors-grid {
  display: grid;
  gap: 2rem;
  max-width: 80rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .authors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .authors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.author-card {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: 0.375rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s ease;
}

.author-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.author-card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 1rem;
}

.author-card-avatar {
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
}

.author-card-name {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.author-card-tagline {
  font-size: 0.875rem;
  color: #64748b;
  margin-bottom: 1rem;
}

.author-card-bio {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.author-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.author-card-articles {
  font-size: 0.75rem;
  color: #64748b;
}

.contact-section {
  background-color: #f8fafc;
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .contact-section {
    padding: 6rem 0;
  }
}

.contact-content {
  max-width: 64rem;
  margin: 0 auto;
  text-align: center;
}

.contact-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #0f172a;
}

.contact-content p {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 640px) {
  .contact-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: #0f172a;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #1e293b;
}

.btn-secondary {
  background-color: transparent;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
  background-color: #f8fafc;
  color: #0f172a;
}