:root {
  --sr-ink-9: #0B1220;
  --sr-snow-0: #F7FAFF;
  --sr-azure-5: #2F6BFF;
  --sr-cyan-4: #2AD4C5;
  --sr-amber-4: #FFB020;
  --sr-rose-4: #FF4D7D;
  --sr-glass-1: rgba(255,255,255,0.62);
  --sr-glass-2: rgba(255,255,255,0.28);
  --sr-line-1: rgba(11,18,32,0.12);
  --sr-shadow-1: 0 18px 50px rgba(11,18,32,0.18);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--sr-ink-9);
  background: linear-gradient(135deg, var(--sr-snow-0) 0%, #E8F4FD 100%);
  min-height: 100vh;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-shell-header {
  background: var(--sr-glass-1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--sr-line-1);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--sr-shadow-1);
}

.sr-nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sr-site-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sr-azure-5);
  text-decoration: none;
}

.sr-primary-nav {
  display: flex;
}

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

.sr-nav-link {
  text-decoration: none;
  color: var(--sr-ink-9);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.sr-nav-link:hover {
  background: var(--sr-glass-2);
  color: var(--sr-azure-5);
  transform: translateY(-2px);
}

.sr-nav-link:focus-visible {
  outline: 2px solid var(--sr-azure-5);
  outline-offset: 2px;
}

.sr-nav-active {
  background: var(--sr-azure-5);
  color: var(--sr-snow-0);
}

.sr-breadcrumb-nav {
  background: var(--sr-glass-2);
  padding: 0.75rem 2rem;
  border-bottom: 1px solid var(--sr-line-1);
}

.sr-breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

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

.sr-breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--sr-line-1);
}

.sr-breadcrumb-item a {
  color: var(--sr-azure-5);
  text-decoration: none;
  font-size: 0.9rem;
}

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

.sr-main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  gap: 3rem;
}

.sr-home-hero {
  background: linear-gradient(135deg, var(--sr-azure-5), var(--sr-cyan-4));
  color: var(--sr-snow-0);
  padding: 4rem 2rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--sr-shadow-1);
}

.sr-hero-container h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.sr-hero-container p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 800px;
  margin: 0 auto;
}

.sr-content-wrapper {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--sr-line-1);
  box-shadow: 0 4px 20px rgba(11,18,32,0.08);
}

.sr-content-wrapper h3 {
  color: var(--sr-azure-5);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-content-wrapper p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.sr-table-container {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--sr-line-1);
  overflow-x: auto;
}

.sr-table-container h3 {
  color: var(--sr-rose-4);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-data-table, .sr-reference-table, .sr-editorial-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: var(--sr-snow-0);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(11,18,32,0.05);
}

.sr-data-table caption, .sr-reference-table caption, .sr-editorial-table caption {
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--sr-ink-9);
  font-size: 1.1rem;
}

.sr-data-table th, .sr-reference-table th, .sr-editorial-table th {
  background: var(--sr-azure-5);
  color: var(--sr-snow-0);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

.sr-data-table td, .sr-reference-table td, .sr-editorial-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--sr-line-1);
  transition: background-color 0.2s ease;
}

.sr-data-table tr:hover td, .sr-reference-table tr:hover td, .sr-editorial-table tr:hover td {
  background: rgba(47,107,255,0.05);
}

.sr-authority-content {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--sr-cyan-4);
  box-shadow: 0 4px 20px rgba(11,18,32,0.08);
}

.sr-authority-content h3 {
  color: var(--sr-cyan-4);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-authority-links {
  list-style: none;
  margin: 1.5rem 0;
}

.sr-authority-links li {
  margin-bottom: 0.8rem;
}

.sr-authority-links a {
  color: var(--sr-azure-5);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.sr-authority-links a:hover {
  color: var(--sr-cyan-4);
  transform: translateX(5px);
}

.sr-authority-links a:focus-visible {
  outline: 2px solid var(--sr-azure-5);
  outline-offset: 2px;
  border-radius: 4px;
}

.sr-cta-container {
  background: linear-gradient(135deg, var(--sr-amber-4), var(--sr-rose-4));
  color: var(--sr-snow-0);
  padding: 3rem 2rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--sr-shadow-1);
}

.sr-cta-container h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.sr-cta-container p {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 1rem;
}

.sr-faq-intro {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--sr-line-1);
  text-align: center;
}

.sr-intro-container h2 {
  color: var(--sr-azure-5);
  font-size: 2.2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.sr-accordion-container {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--sr-line-1);
}

.sr-accordion-container h3 {
  color: var(--sr-rose-4);
  margin-bottom: 2rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-faq-item {
  border: 1px solid var(--sr-line-1);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.sr-faq-item:hover {
  box-shadow: 0 4px 15px rgba(11,18,32,0.1);
}

.sr-faq-question {
  background: var(--sr-glass-2);
  padding: 1.2rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--sr-azure-5);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.sr-faq-question:hover {
  background: var(--sr-glass-1);
  color: var(--sr-cyan-4);
}

.sr-faq-question:focus-visible {
  outline: 2px solid var(--sr-azure-5);
  outline-offset: -2px;
}

.sr-faq-answer {
  padding: 1.5rem;
  background: var(--sr-snow-0);
  border-top: 1px solid var(--sr-line-1);
}

.sr-faq-answer p {
  line-height: 1.7;
  font-size: 1.05rem;
}

.sr-sources-content {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--sr-amber-4);
}

.sr-sources-content h3 {
  color: var(--sr-amber-4);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-source-links {
  list-style: none;
  margin: 1.5rem 0;
}

.sr-source-links li {
  margin-bottom: 0.8rem;
}

.sr-source-links a {
  color: var(--sr-azure-5);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.sr-source-links a:hover {
  color: var(--sr-amber-4);
}

.sr-mission-container {
  background: var(--sr-snow-0);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--sr-line-1);
  box-shadow: 0 4px 20px rgba(11,18,32,0.08);
}

.sr-mission-container h2 {
  color: var(--sr-azure-5);
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.sr-team-container {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--sr-rose-4);
}

.sr-team-container h3 {
  color: var(--sr-rose-4);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-links-container {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--sr-cyan-4);
}

.sr-links-container h3 {
  color: var(--sr-cyan-4);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-academic-links {
  list-style: none;
  margin: 1.5rem 0;
}

.sr-academic-links li {
  margin-bottom: 0.8rem;
}

.sr-academic-links a {
  color: var(--sr-azure-5);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.sr-academic-links a:hover {
  color: var(--sr-cyan-4);
}

.sr-contact-container {
  background: var(--sr-snow-0);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--sr-amber-4);
}

.sr-contact-container h3 {
  color: var(--sr-amber-4);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: 600;
}

.sr-contact-container a {
  color: var(--sr-azure-5);
  text-decoration: none;
  font-weight: 500;
}

.sr-contact-container a:hover {
  color: var(--sr-amber-4);
  text-decoration: underline;
}

.sr-shell-footer {
  background: var(--sr-ink-9);
  color: var(--sr-snow-0);
  padding: 2rem;
  margin-top: 4rem;
  text-align: center;
}

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

.sr-footer-content p {
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .sr-nav-container {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  
  .sr-nav-list {
    gap: 1rem;
  }
  
  .sr-main-content {
    padding: 1rem;
    gap: 2rem;
  }
  
  .sr-hero-container h2 {
    font-size: 2rem;
  }
  
  .sr-data-table, .sr-reference-table, .sr-editorial-table {
    font-size: 0.9rem;
  }
  
  .sr-data-table th, .sr-reference-table th, .sr-editorial-table th,
  .sr-data-table td, .sr-reference-table td, .sr-editorial-table td {
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .sr-nav-list {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .sr-hero-container h2 {
    font-size: 1.8rem;
  }
  
  .sr-content-wrapper, .sr-table-container, .sr-authority-content,
  .sr-cta-container, .sr-faq-intro, .sr-accordion-container,
  .sr-sources-content, .sr-mission-container, .sr-team-container,
  .sr-links-container, .sr-contact-container {
    padding: 1.5rem;
  }
}