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

:root {
  --primary: #1B5E20;
  --primary-light: #2E7D32;
  --secondary: #D4AF37;
  --secondary-light: #E0C55A;
  --accent: #FF5722;
  --accent-light: #FF7043;
  --background: #0D1B2A;
  --surface: #1B2838;
  --surface-light: #243447;
  --text: #FFFFFF;
  --text-secondary: #B0BEC5;
  --text-muted: #78909C;
  --emphasis: #FF6F00;
  --divider: #37474F;
  --success: #4CAF50;
  --warning: #FFC107;
  --font-headings: 'Impact', 'Arial Black', sans-serif;
  --font-body: 'Roboto', 'Helvetica Neue', sans-serif;
  --font-data: 'Courier New', monospace;
  --header-height: 72px;
  --content-max-width: 1200px;
  --gap: 24px;
  --radius: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

a:hover,
a:focus-visible {
  color: var(--accent);
}

a:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 4px;
  border-radius: 2px;
}

ul,
ol {
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--secondary);
  color: var(--background);
  padding: 12px 24px;
  font-weight: 700;
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 10000;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
  outline: none;
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  z-index: 9999;
  transition: width 0.1s linear;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress {
    display: none;
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 9000;
  background: rgba(27, 94, 32, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid rgba(212, 175, 55, 0.3);
  transition: background var(--transition), border-color var(--transition);
}

.header-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}

.brand-link {
  font-family: var(--font-headings);
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--text);
  text-transform: uppercase;
  transition: color var(--transition);
}

.brand-link:hover,
.brand-link:focus-visible {
  color: var(--secondary);
}

.brand-slogan {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  display: none;
}

@media (min-width: 640px) {
  .brand-slogan {
    display: inline;
  }
}

/* Navigation */
.header-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 40px 24px;
  overflow-y: auto;
  z-index: 8999;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.header-nav[data-open] {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto;
}

.nav-list li a {
  display: block;
  padding: 16px 24px;
  font-family: var(--font-headings);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  border-left: 4px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.nav-list li a:hover,
.nav-list li a:focus-visible {
  background: rgba(212, 175, 55, 0.12);
  border-left-color: var(--secondary);
  color: var(--secondary);
  transform: translateX(6px);
}

.nav-list li a:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

.nav-list li a[aria-current="page"] {
  color: var(--secondary);
  border-left-color: var(--secondary);
  background: rgba(212, 175, 55, 0.1);
  font-weight: 900;
}

/* Navigation toggle button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: background var(--transition);
  flex-shrink: 0;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(212, 175, 55, 0.15);
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 4px;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: background var(--transition), transform var(--transition);
}

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Desktop navigation */
@media (min-width: 768px) {
  .header-nav {
    position: static;
    display: flex;
    background: none;
    backdrop-filter: none;
    padding: 0;
    opacity: 1;
    transform: none;
    overflow: visible;
    flex: 1;
    justify-content: flex-end;
  }

  .nav-list {
    flex-direction: row;
    gap: 4px;
    max-width: none;
    margin: 0;
  }

  .nav-list li a {
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: 700;
    background: transparent;
    border-left: none;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    letter-spacing: 0.04em;
  }

  .nav-list li a:hover,
  .nav-list li a:focus-visible {
    background: transparent;
    border-left: none;
    border-bottom-color: var(--secondary);
    color: var(--secondary);
    transform: none;
  }

  .nav-list li a[aria-current="page"] {
    border-bottom-color: var(--secondary);
    background: transparent;
    border-left: none;
  }

  .nav-toggle {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .header-nav,
  .nav-list li a,
  .nav-toggle,
  .toggle-bar {
    transition: none;
  }
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 2px solid rgba(212, 175, 55, 0.15);
  padding: 48px 24px 32px;
  margin-top: 80px;
}

.footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.footer-brand-block .brand-link {
  font-size: 1.5rem;
  display: inline-block;
  margin-bottom: 4px;
}

.footer-slogan {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--secondary);
  border-bottom-color: var(--secondary);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.contact-email::before {
  content: "✉ ";
  color: var(--secondary);
}

.contact-phone::before {
  content: "📞 ";
  color: var(--secondary);
}

.footer-icp {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 20px;
  border-top: 1px solid var(--divider);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer-year {
  color: var(--text-muted);
}

@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px 48px;
  }

  .footer-icp {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .footer-icp {
    grid-column: 1 / -1;
  }
}

/* Utility: Container */
.container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  cursor: pointer;
}

.btn:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 4px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary-light);
  border-color: var(--secondary);
  color: var(--text);
}

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

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--secondary-light);
  border-color: var(--secondary-light);
  color: var(--background);
}

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

.btn-accent:hover,
.btn-accent:focus-visible {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: var(--text);
}

@keyframes pulse-glint {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(212, 175, 55, 0); }
}

.btn:active {
  transform: scale(0.97);
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
  .btn:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--secondary);
}

.breadcrumb .separator {
  color: var(--divider);
  user-select: none;
}

.breadcrumb .current {
  color: var(--text);
  font-weight: 600;
}

/* Data display */
.data-display {
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  padding: 8px 16px;
  background: rgba(255, 87, 34, 0.08);
  border-radius: var(--radius);
  display: inline-block;
}

/* Card */
.card {
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  border-color: rgba(212, 175, 55, 0.3);
}

.card:focus-within {
  border-color: var(--secondary);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }
  .card:hover {
    transform: none;
    box-shadow: none;
  }
}

/* Grid system */
.grid {
  display: grid;
  gap: var(--gap);
}

.grid-cols-2 {
  grid-template-columns: 1fr;
}

.grid-cols-3 {
  grid-template-columns: 1fr;
}

.grid-cols-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-cols-2 {
    grid-template-columns: 1fr 1fr;
  }
  .grid-cols-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .grid-cols-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .grid-cols-4 {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

/* Image container */
.image-container {
  position: relative;
  overflow: hidden;
  background: var(--surface-light);
  border-radius: var(--radius);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

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

.image-container.square {
  aspect-ratio: 1 / 1;
}

.image-container.wide {
  aspect-ratio: 21 / 9;
}

/* Responsive typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--text);
}

h1 { font-size: 2.5rem; margin-bottom: 0.5em; }
h2 { font-size: 2rem; margin-bottom: 0.5em; }
h3 { font-size: 1.5rem; margin-bottom: 0.4em; }
h4 { font-size: 1.2rem; margin-bottom: 0.3em; }

p {
  margin-bottom: 1em;
  color: var(--text-secondary);
}

small {
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.75rem; }
  h3 { font-size: 2rem; }
}

/* Focus visible global */
:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 4px;
}

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

/* Selection */
::selection {
  background: var(--secondary);
  color: var(--background);
}