:root {
  --site-primary-dark: #0A192F;
  --site-secondary-accent: #FFD700;

  /* Neon Colors */
  --neon-yellow: #FFFF00;
  --neon-red: #FF0000;
  --neon-cyan: #00FFFF;
  --neon-magenta: #FF00FF;

  /* Header Backgrounds */
  --header-top-bg-dark1: #0a0a0a;
  --header-top-bg-dark2: #1a1a2e;
  --header-top-bg-dark3: #16213e;

  --main-nav-bg-dark1: #1a1a2e;
  --main-nav-bg-dark2: #0f3460;
  --main-nav-bg-dark3: #16213e;

  /* Text Colors */
  --text-light: #ffffff;
  --text-muted: #cccccc;
  --text-dark: #333333;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-light);
  background-color: var(--site-primary-dark);
  padding-top: 120px; /* Default for desktop header height */
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

/* ==================== Site Header ==================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  background: var(--site-primary-dark); /* Fallback */
}

.header-top {
  background: linear-gradient(135deg, var(--header-top-bg-dark1), var(--header-top-bg-dark2), var(--header-top-bg-dark3));
  border-bottom: 2px solid var(--neon-yellow);
  box-shadow:
    0 0 10px var(--neon-yellow),
    0 0 20px var(--neon-yellow),
    0 0 30px rgba(255, 255, 0, 0.7),
    inset 0 0 20px rgba(255, 255, 0, 0.1);
  padding: 15px 0;
  width: 100%;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  color: var(--neon-yellow);
  font-family: 'Electrolize', sans-serif; /* Example futuristic font */
  font-size: 2.5em;
  font-weight: bold;
  text-decoration: none;
  text-shadow:
    0 0 5px var(--neon-yellow),
    0 0 10px var(--neon-yellow),
    0 0 15px var(--neon-yellow),
    0 0 20px rgba(255, 255, 0, 0.7);
  animation: neon-glow-logo 2s ease-in-out infinite alternate;
  display: block;
}

@keyframes neon-glow-logo {
  from {
    text-shadow:
      0 0 5px var(--neon-yellow),
      0 0 10px var(--neon-yellow),
      0 0 15px var(--neon-yellow),
      0 0 20px rgba(255, 255, 0, 0.7);
  }
  to {
    text-shadow:
      0 0 8px var(--neon-yellow),
      0 0 15px var(--neon-yellow),
      0 0 25px var(--neon-yellow),
      0 0 35px rgba(255, 255, 0, 0.9);
  }
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

/* Buttons */
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-red), var(--neon-magenta));
  border: 2px solid var(--neon-red);
  padding: 12px 25px;
  color: var(--text-light);
  text-decoration: none;
  border-radius: 5px;
  box-shadow:
    0 0 10px var(--neon-red),
    0 0 20px var(--neon-magenta),
    inset 0 0 10px rgba(255, 0, 0, 0.3);
  text-shadow:
    0 0 5px var(--text-light),
    0 0 10px var(--neon-red);
  overflow: hidden;
  z-index: 1;
  isolation: isolate;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn > * {
  position: relative;
  z-index: 2;
}

/* Neon running border effect for buttons */
.btn::before,
.btn::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 8px;
  animation: rotate-border 2s linear infinite;
  z-index: -1;
  pointer-events: none;
  filter: blur(1px);
}

.btn::before {
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    var(--neon-cyan) 60deg,
    transparent 120deg,
    var(--neon-cyan) 180deg,
    transparent 240deg,
    var(--neon-cyan) 300deg,
    transparent 360deg
  );
  box-shadow:
    0 0 10px var(--neon-cyan),
    0 0 20px var(--neon-cyan);
}

.btn::after {
  background: conic-gradient(
    from 180deg at 50% 50%,
    transparent 0deg,
    var(--neon-magenta) 60deg,
    transparent 120deg,
    var(--neon-magenta) 180deg,
    transparent 240deg,
    var(--neon-magenta) 300deg,
    transparent 360deg
  );
  animation-delay: -1s;
  box-shadow:
    0 0 10px var(--neon-magenta),
    0 0 20px var(--neon-magenta);
}

@keyframes rotate-border {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.btn:hover {
  box-shadow:
    0 0 20px var(--neon-red),
    0 0 30px var(--neon-magenta),
    inset 0 0 15px rgba(255, 0, 0, 0.5);
  transform: translateY(-2px) scale(1.02);
}

.btn:hover::before,
.btn:hover::after {
  filter: blur(1.5px);
  animation-duration: 1.5s; /* Slightly faster hover animation */
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002;
}

.hamburger-menu .bar {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--neon-cyan);
  margin: 6px 0;
  transition: all 0.3s ease-in-out;
  box-shadow:
    0 0 5px var(--neon-cyan),
    0 0 10px var(--neon-cyan);
}

/* Hamburger menu animation */
.hamburger-menu.active .bar:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.main-nav {
  background: linear-gradient(135deg, var(--main-nav-bg-dark1), var(--main-nav-bg-dark2), var(--main-nav-bg-dark3));
  border-top: 2px solid var(--neon-red);
  border-bottom: 2px solid var(--neon-red);
  box-shadow:
    0 0 10px var(--neon-red),
    0 0 20px var(--neon-red),
    0 0 30px rgba(255, 0, 0, 0.7),
    inset 0 0 20px rgba(255, 0, 0, 0.1);
  width: 100%;
  display: flex;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 10px 20px;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  padding: 10px 15px;
  font-weight: 500;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--neon-yellow);
  text-shadow: 0 0 5px var(--neon-yellow);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* ==================== Site Footer ==================== */
.site-footer {
  background-color: #1a1a2e;
  color: var(--text-muted);
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.footer-column {
  flex: 1 1 280px;
}

.footer-column h3 {
  color: var(--text-light);
  margin-bottom: 15px;
  font-size: 1.3em;
}

.footer-column p,
.footer-column ul li {
  font-size: 0.95em;
  line-height: 1.8;
}

.footer-nav {
  list-style: none;
}

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

.footer-nav li a:hover {
  color: var(--neon-yellow);
}

.footer-bottom {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85em;
}

/* ==================== Responsive Styles ==================== */
@media (max-width: 768px) {
  body {
    padding-top: 160px; /* Adjust for mobile header + mobile buttons */
  }

  .header-container {
    padding: 0 15px;
    justify-content: center;
    position: relative; /* For absolute positioning of hamburger */
    width: 100%;
    max-width: none; /* Crucial for mobile */
  }

  .hamburger-menu {
    display: block;
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1002;
  }

  .logo {
    font-size: 2em;
    margin: 0 auto; /* Center logo with flex item */
    text-align: center; /* Ensures text is centered within its flex item */
  }

  .desktop-nav-buttons {
    display: none;
  }

  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--header-top-bg-dark2), var(--header-top-bg-dark3));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 2px solid var(--neon-yellow);
    box-shadow:
      0 0 5px var(--neon-yellow),
      0 0 10px var(--neon-yellow),
      inset 0 0 10px rgba(255, 255, 0, 0.05);
    width: 100%;
    z-index: 990; /* Below main-nav but above content */
  }

  .main-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 80%;
    max-width: 300px; /* Limit sidebar width */
    height: 100%;
    background: linear-gradient(180deg, var(--main-nav-bg-dark1), var(--main-nav-bg-dark3));
    border-right: 2px solid var(--neon-red);
    box-shadow:
      0 0 15px var(--neon-red),
      0 0 25px rgba(255, 0, 0, 0.7);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    padding-top: 80px; /* Space for logo/close button if needed */
    z-index: 1001;
    overflow-y: auto;
  }

  .main-nav.active {
    display: flex; /* Crucial for visibility */
    transform: translateX(0);
  }

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 15px;
    width: 100%;
    max-width: none; /* Crucial for mobile */
  }

  .nav-link {
    width: 100%;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .footer-container {
    flex-direction: column;
    gap: 20px;
  }

  .footer-column {
    flex: 1 1 100%;
    text-align: center;
  }

  .footer-nav {
    padding-left: 0;
  }

  .footer-nav li {
    display: inline-block;
    margin: 0 8px;
  }
}