:root {
  --color-dark-blue: #0A192F;
  --color-violet: #4B2E83;
  --color-neon-green: #39FF14;
  --color-gold: #FFD700;
  --color-deep-indigo: #1A1A2E;
  --color-silver: #B0BEC5;
  --color-white: #F5F5F5;
  --color-dark-gold: #C5A55A;
  --color-transparent-white: rgba(245, 245, 245, 0.9);
  --color-warning-red: #FF4444;
  --font-heading: 'Poppins', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-data: 'JetBrains Mono', 'Courier New', monospace;
  --font-size-heading: clamp(2.25rem, 5vw, 4.5rem);
  --font-size-body: clamp(1rem, 1.2vw, 1.125rem);
  --font-size-data: clamp(0.875rem, 1vw, 1.25rem);
  --nav-width: 8%;
  --content-width: 92%;
  --header-height: 4rem;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --transition-default: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-dark-blue);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-neon-green);
  text-decoration: none;
  transition: color var(--transition-default);
}

a:hover, a:focus-visible {
  color: var(--color-gold);
  outline: 2px solid var(--color-neon-green);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-neon-green);
  outline-offset: 2px;
}

@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;
  }
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-neon-green);
  color: var(--color-dark-blue);
  padding: 0.75rem 1.5rem;
  z-index: 10000;
  font-weight: 700;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

.skip-link:focus {
  top: 0;
  clip: auto;
  width: auto;
  height: auto;
  overflow: visible;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  z-index: 1000;
  transition: background var(--transition-default), box-shadow var(--transition-default);
  padding: 0 1rem;
}

.site-header[data-scrolled] {
  background: var(--color-deep-indigo);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  height: var(--header-height);
  position: relative;
}

.brand-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  font-style: italic;
  color: var(--color-neon-green);
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.tagline {
  font-size: 0.8rem;
  color: var(--color-silver);
  letter-spacing: 0.05em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  position: relative;
  z-index: 1001;
}

.nav-toggle-line {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-neon-green);
  margin: 3px 0;
  transition: transform var(--transition-default), opacity var(--transition-default);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.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: rotate(-45deg) translate(4px, -4px);
}

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

.nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  font-style: italic;
  color: var(--color-transparent-white);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-default);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-neon-green);
}

.nav-link[aria-current="page"] {
  color: var(--color-neon-green);
  border-bottom: 2px solid var(--color-neon-green);
}

.cta-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-dark-blue);
  background: var(--color-neon-green);
  padding: 0.6rem 1.25rem;
  border-radius: 4px;
  transition: background var(--transition-default), transform var(--transition-default), box-shadow var(--transition-default);
  text-decoration: none;
  white-space: nowrap;
  animation: pulse-glow 2s infinite;
}

.cta-btn:hover,
.cta-btn:focus-visible {
  background: var(--color-gold);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.6);
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(57, 255, 20, 0.4);
  }
  50% {
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.8);
  }
}

/* Footer */
.site-footer {
  background: var(--color-deep-indigo);
  padding: 2rem 1rem;
  margin-top: auto;
  border-top: 2px solid var(--color-violet);
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 2rem;
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  font-style: italic;
  color: var(--color-gold);
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-silver);
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-contact a {
  color: var(--color-neon-green);
  font-size: 0.9rem;
}

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

.footer-address {
  font-size: 0.85rem;
  color: var(--color-silver);
}

.footer-nav {
  display: flex;
  justify-content: flex-end;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--color-silver);
  transition: color var(--transition-default);
}

.footer-link:hover {
  color: var(--color-neon-green);
}

.footer-legal {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-violet);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-icp {
  font-size: 0.8rem;
  color: var(--color-silver);
}

.footer-note {
  font-size: 0.75rem;
  color: var(--color-silver);
  font-style: italic;
}

/* Shared Components */
.card {
  background: var(--color-deep-indigo);
  border: 1px solid var(--color-dark-gold);
  border-radius: 8px;
  padding: 1.5rem;
  transition: transform var(--transition-default), box-shadow var(--transition-default);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-neon-green), var(--color-violet));
}

.card:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(57, 255, 20, 0.2);
}

.data-value {
  font-family: var(--font-data);
  font-size: var(--font-size-data);
  color: var(--color-neon-green);
  font-weight: 500;
  text-shadow: 0 0 5px rgba(57, 255, 20, 0.3);
}

.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

.tag-home {
  background: var(--color-gold);
  color: var(--color-dark-blue);
}

.tag-away {
  background: var(--color-violet);
  color: var(--color-white);
}

.tag-gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-dark-gold));
  color: var(--color-dark-blue);
}

.progress-bar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-neon-green), var(--color-gold));
  z-index: 999;
  transition: width 0.1s linear;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--color-violet);
  color: var(--color-neon-green);
  border: 2px solid var(--color-neon-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-default), visibility var(--transition-default), transform var(--transition-default);
  z-index: 1000;
}

.back-to-top[data-visible] {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: scale(1.1);
  background: var(--color-neon-green);
  color: var(--color-dark-blue);
}

/* Responsive */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-deep-indigo);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform var(--transition-default);
    z-index: 1000;
  }

  .nav[data-open] {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .nav-link {
    font-size: 1.5rem;
  }

  .cta-btn {
    display: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-nav-list {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .header-inner {
    padding: 0 2rem;
  }

  .nav-list {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.85rem;
  }

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

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

@media (min-width: 1024px) {
  body {
    padding-left: var(--nav-width);
  }

  .site-header {
    left: var(--nav-width);
    width: var(--content-width);
  }

  .header-inner {
    padding: 0 2rem;
  }

  .cta-btn {
    order: 3;
  }
}