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

:root {
  --color-primary: #2E8B57;
  --color-primary-hover: #3CB371;
  --color-accent: #FF8C00;
  --color-accent-hover: #FFA040;
  --color-gold: #FFD700;
  --color-gold-dim: #D4A800;
  --color-deep-blue: #1C1C3A;
  --color-deep-blue-light: #2A2A5A;
  --color-bg-light: #F5F5F5;
  --color-bg-white: #FFFFFF;
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #666666;
  --color-text-light: #AAAAAA;
  --color-text-white: #FFFFFF;
  --color-border-light: #E0E0E0;
  --color-border-dark: #333333;
  --font-heading: 'Oswald', 'Impact', 'Arial Black', sans-serif;
  --font-body: 'Inter', 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --max-width: 1280px;
  --header-height: 72px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
  --border-radius: 4px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-light);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--spacing-md);
  z-index: 10000;
  background: var(--color-deep-blue);
  color: var(--color-gold);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  transition: top var(--transition-fast);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-deep-blue);
  border-bottom: 1px solid rgba(255,215,0,0.15);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  height: var(--header-height);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.header-inner::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: 0;
  width: 25%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  clip-path: polygon(4% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.brand {
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: opacity var(--transition-fast);
}

.brand-link:hover {
  opacity: 0.85;
  color: var(--color-gold);
}

.brand-icon {
  font-size: 1.75rem;
  line-height: 1;
  filter: drop-shadow(0 0 4px rgba(255,215,0,0.3));
}

.brand-text {
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--border-radius);
  cursor: pointer;
  padding: 8px;
  transition: border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-gold);
}

.nav-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-white);
  border-radius: 1px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(46,139,87,0.1);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--color-gold);
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--color-gold);
}

.site-footer {
  background: var(--color-deep-blue);
  color: var(--color-text-white);
  border-top: 1px solid rgba(255,215,0,0.1);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  width: 40%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  clip-path: polygon(0% 0%, 100% 0%, 96% 100%, 0% 100%);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-logo-icon {
  font-size: 1.75rem;
  filter: drop-shadow(0 0 4px rgba(255,215,0,0.2));
}

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.04em;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.01em;
}

.footer-trust {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 380px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.06em;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(255,215,0,0.2);
}

.footer-heading-secondary {
  margin-top: var(--spacing-lg);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-contact-item {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.footer-contact-label {
  font-weight: 600;
  color: var(--color-text-white);
  min-width: 52px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-contact-link {
  color: var(--color-primary);
  transition: color var(--transition-fast);
  word-break: break-all;
}

.footer-contact-link:hover {
  color: var(--color-gold);
}

.footer-contact-value {
  color: var(--color-text-light);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  display: inline-block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-light);
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  position: relative;
}

.footer-link::before {
  content: '>';
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-right: var(--spacing-sm);
  font-weight: 700;
  font-size: 0.8rem;
}

.footer-link:hover {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--spacing-md) 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-icp {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.data-panel {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.data-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-deep-blue);
  color: var(--color-text-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--color-gold);
}

.data-panel-body {
  padding: var(--spacing-md) var(--spacing-lg);
}

.data-panel-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.9rem;
}

.data-panel-row:last-child {
  border-bottom: none;
}

.index-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb span {
  color: var(--color-text-light);
}

.breadcrumb-separator {
  font-family: var(--font-mono);
  color: var(--color-text-light);
  font-size: 0.75rem;
}

.progress-indicator {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 999;
  background: rgba(255,215,0,0.08);
  pointer-events: none;
}

.progress-indicator-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.05s linear;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border-light);
  border: none;
  margin: var(--spacing-lg) 0;
}

.divider-gold {
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

.divider-green {
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.img-container {
  position: relative;
  overflow: hidden;
  background: var(--color-border-light);
  border-radius: var(--border-radius);
}

.img-container-16-9 {
  aspect-ratio: 16 / 9;
}

.img-container-4-3 {
  aspect-ratio: 4 / 3;
}

.img-container-1-1 {
  aspect-ratio: 1 / 1;
}

.img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header-inner {
    padding: 0 var(--spacing-md);
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-deep-blue);
    border-top: 1px solid rgba(255,215,0,0.15);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 var(--spacing-md);
  }

  .site-nav[data-open] {
    max-height: 480px;
    padding: var(--spacing-md);
  }

  .nav-list {
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 1rem;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link[aria-current="page"] {
    background: rgba(255,215,0,0.1);
    border: 1px solid rgba(255,215,0,0.2);
  }

  .brand-link {
    font-size: 1.375rem;
  }

  .brand-icon {
    font-size: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-inner {
    padding: var(--spacing-lg) var(--spacing-md) 0;
  }

  .footer-trust {
    max-width: 100%;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

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

  .card {
    padding: var(--spacing-md);
  }

  .data-panel-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .data-panel-body {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .brand-link {
    font-size: 1.2rem;
  }

  .brand-icon {
    font-size: 1.25rem;
  }

  .nav-link {
    font-size: 0.9rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .footer-logo-text {
    font-size: 1.25rem;
  }
}