:root {
  --sg-bg-0: #070A12;
  --sg-bg-1: #0C1222;
  --sg-surface: rgba(255, 255, 255, 0.08);
  --sg-surface-2: rgba(255, 255, 255, 0.12);
  --sg-text: #EAF0FF;
  --sg-muted: rgba(234, 240, 255, 0.72);
  --sg-accent: #FFB020;
  --sg-accent-2: #FF5C7A;
  --sg-border: rgba(255, 255, 255, 0.16);
  --sg-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, var(--sg-bg-0) 0%, var(--sg-bg-1) 100%);
  color: var(--sg-text);
  line-height: 1.6;
  font-size: clamp(16px, 2vw, 18px);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--sg-accent);
  color: var(--sg-bg-0);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
  border-radius: 0 0 4px 0;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}

header.site-header {
  background: var(--sg-surface);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sg-border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--sg-shadow);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.site-brand {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  background: linear-gradient(135deg, var(--sg-accent) 0%, var(--sg-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.site-nav {
  display: flex;
}

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

.nav-link {
  color: var(--sg-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-link:hover {
  color: var(--sg-accent);
  background: var(--sg-surface-2);
  transform: translateY(-2px);
}

.nav-link:focus-visible {
  outline: 2px solid var(--sg-accent);
  outline-offset: 2px;
}

.nav-link.active {
  color: var(--sg-accent);
  background: var(--sg-surface-2);
}

.breadcrumb {
  background: var(--sg-surface);
  border-bottom: 1px solid var(--sg-border);
  padding: 1rem 2rem;
}

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

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

.breadcrumb-list li:not(:last-child)::after {
  content: '/';
  margin: 0 0.5rem;
  color: var(--sg-muted);
}

.breadcrumb-list a {
  color: var(--sg-accent);
  text-decoration: none;
  transition: color 0.3s ease;
}

.breadcrumb-list a:hover {
  color: var(--sg-accent-2);
  text-decoration: underline;
}

.breadcrumb-list a:focus-visible {
  outline: 2px solid var(--sg-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
  width: 100%;
}

section {
  margin-bottom: 4rem;
}

h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 1.5rem;
  color: var(--sg-accent);
  font-weight: 700;
}

h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  background: linear-gradient(180deg, var(--sg-accent) 0%, var(--sg-accent-2) 100%);
  margin-right: 0.75rem;
  border-radius: 2px;
}

p {
  margin-bottom: 1rem;
  color: var(--sg-muted);
  line-height: 1.8;
}

a {
  color: var(--sg-accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--sg-accent-2);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--sg-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.hero-section {
  margin-bottom: 5rem;
}

.hero-title {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--sg-accent) 0%, var(--sg-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero-lead {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--sg-text);
  margin-bottom: 2rem;
  line-height: 1.9;
}

.hero-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.link-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--sg-accent) 0%, var(--sg-accent-2) 100%);
  color: var(--sg-bg-0);
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(255, 176, 32, 0.3);
}

.link-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 176, 32, 0.4);
  color: var(--sg-bg-0);
}

.link-primary:focus-visible {
  outline: 2px solid var(--sg-text);
  outline-offset: 2px;
}

.table-container {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--sg-surface);
  backdrop-filter: blur(10px);
}

caption {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--sg-accent);
  background: var(--sg-surface-2);
  border-bottom: 1px solid var(--sg-border);
}

thead {
  background: var(--sg-surface-2);
  border-bottom: 2px solid var(--sg-border);
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--sg-accent);
  font-size: 0.95rem;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--sg-border);
  color: var(--sg-muted);
}

tbody tr:nth-child(odd) {
  background: rgba(255, 255, 255, 0.02);
}

tbody tr:hover {
  background: var(--sg-surface-2);
  transition: background 0.3s ease;
}

.accordion-container {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.accordion-item {
  background: var(--sg-surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--sg-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item:hover {
  border-color: var(--sg-accent);
  box-shadow: 0 4px 20px rgba(255, 176, 32, 0.15);
}

.accordion-item[open] {
  background: var(--sg-surface-2);
  border-color: var(--sg-accent);
}

.accordion-summary {
  padding: 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--sg-accent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: all 0.3s ease;
}

.accordion-summary:hover {
  background: var(--sg-surface-2);
  color: var(--sg-accent-2);
}

.accordion-summary:focus-visible {
  outline: 2px solid var(--sg-accent);
  outline-offset: -2px;
}

.accordion-summary::marker {
  color: var(--sg-accent);
}

.accordion-content {
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: var(--sg-muted);
  line-height: 1.8;
}

.accordion-content p {
  margin-bottom: 0.75rem;
}

.menu-tips {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
}

.menu-tips li {
  padding: 0.75rem 0 0.75rem 2rem;
  position: relative;
  color: var(--sg-muted);
  margin-bottom: 0.5rem;
}

.menu-tips li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--sg-accent);
  font-weight: bold;
  font-size: 1.2em;
}

.external-links {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
}

.external-links li {
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
}

.external-links li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--sg-accent);
}

.external-links a {
  color: var(--sg-accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

.external-links a:hover {
  color: var(--sg-accent-2);
  text-decoration: underline;
}

.values-list {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.values-list li {
  padding: 1rem;
  background: var(--sg-surface);
  border-left: 4px solid var(--sg-accent);
  border-radius: 4px;
  color: var(--sg-muted);
}

.values-list strong {
  color: var(--sg-accent);
}

footer.site-footer {
  background: var(--sg-surface);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--sg-border);
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-nav {
  display: flex;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--sg-muted);
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-links a:hover {
  color: var(--sg-accent);
  transform: translateX(4px);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--sg-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.footer-info p {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.footer-copyright {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--sg-border);
  color: var(--sg-muted);
  font-size: 0.9rem;
}

ul {
  margin-left: 1.5rem;
}

ul li {
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .header-container {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .nav-list {
    gap: 1rem;
  }

  .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
  }

  .hero-links {
    flex-direction: column;
  }

  .link-primary {
    width: 100%;
    text-align: center;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .main-content {
    padding: 2rem 1rem;
  }

  .breadcrumb {
    padding: 0.75rem 1rem;
  }

  .table-container {
    font-size: 0.9rem;
  }

  th, td {
    padding: 0.75rem;
  }
}

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

  .nav-link:hover {
    transform: none;
  }

  .link-primary:hover {
    transform: none;
  }

  .external-links a:hover {
    text-decoration: underline;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --sg-bg-0: #F5F5F5;
    --sg-bg-1: #FFFFFF;
    --sg-surface: rgba(0, 0, 0, 0.05);
    --sg-surface-2: rgba(0, 0, 0, 0.08);
    --sg-text: #1A1A1A;
    --sg-muted: rgba(26, 26, 26, 0.7);
    --sg-border: rgba(0, 0, 0, 0.1);
  }

  body {
    background: linear-gradient(135deg, var(--sg-bg-0) 0%, var(--sg-bg-1) 100%);
  }
}