:root {
  /* Backgrounds */
  --color-bg: #0a0f1c;
  --color-bg-card: #141b2d;

  /* Tech Blue (AI / futuristic) */
  --color-blue: #4fd1ff;
  --color-blue-glow: #00d4ff;

  /* Arcane Violet (RPG / magic) */
  --color-violet: #a855f7;
  --color-violet-dark: #7c3aed;
  --color-violet-deep: #4c1d95;

  /* Danger */
  --color-crimson: #ff3b3b;

  /* Text */
  --color-text: #ffffff;
  --color-text-muted: #94a3b8;

  /* Fonts */
  --font-heading: "Rajdhani", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-rpg: "Cinzel", serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
}
body {
  font-family: var(--font-body);
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--color-bg);
  -webkit-overflow-scrolling: touch;
}
canvas {
  display: block;
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 0;
}
.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(10, 15, 28, 0.3);
  pointer-events: none;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(10, 15, 28, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(79, 209, 255, 0.1);
}
.nav-brand {
  font-size: 1.3rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.05em;
}
.nav-brand .accent {
  color: var(--color-blue);
}
.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.85rem;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-blue);
}
.nav-links a.active {
  border-bottom: 1px solid rgba(79, 209, 255, 0.5);
  padding-bottom: 2px;
}
.nav-cta {
  padding: 10px 28px;
  font-size: 0.85rem;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-blue), var(--color-violet));
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
}
.nav-cta:hover {
  background: linear-gradient(
    135deg,
    var(--color-blue-glow),
    var(--color-violet-dark)
  );
  box-shadow: 0 0 24px rgba(168, 85, 247, 0.4);
}
.nav-cta.--connected {
  background: rgba(20, 27, 45, 0.9);
  color: var(--color-blue);
  border: 1px solid rgba(79, 209, 255, 0.4);
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.nav-cta.--connected:hover {
  border-color: var(--color-crimson);
  color: var(--color-crimson);
  box-shadow: 0 0 16px rgba(255, 59, 59, 0.2);
  background: rgba(255, 59, 59, 0.06);
}

/* ── Buttons ── */
.glass-button {
  position: relative;
  padding: 14px 32px;
  font-size: 0.85rem;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
}
.glass-button.primary {
  color: var(--color-bg);
  background: linear-gradient(135deg, var(--color-blue), var(--color-violet));
  border-color: transparent;
}
.glass-button.primary:hover {
  background: linear-gradient(
    135deg,
    var(--color-blue-glow),
    var(--color-violet-dark)
  );
  box-shadow:
    0 8px 32px rgba(168, 85, 247, 0.35),
    0 0 60px rgba(79, 209, 255, 0.15);
  transform: translateY(-2px);
}
.glass-button:not(.primary):hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(168, 85, 247, 0.15);
  transform: translateY(-2px);
}
.glass-button::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 8px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(79, 209, 255, 0.3) 0%,
    rgba(168, 85, 247, 0.3) 50%,
    rgba(79, 209, 255, 0.3) 100%
  );
  background-size: 200% 200%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: borderFlow 3s linear infinite;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.glass-button:not(.primary):hover::before {
  opacity: 0.6;
}
@keyframes borderFlow {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 200% 50%;
  }
}
.glass-button::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: radial-gradient(
    circle at var(--x, 50%) var(--y, 50%),
    rgba(255, 255, 255, 0.15) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}
.glass-button:hover::after {
  opacity: 1;
}
.glass-button:active {
  transform: translateY(0) scale(0.98);
}
.glass-button .shimmer {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.06) 45%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.06) 55%,
    transparent 100%
  );
  transform: rotate(30deg);
  animation: shimmer 4s infinite;
  pointer-events: none;
}
@keyframes shimmer {
  0% {
    transform: translateX(-100%) rotate(30deg);
  }
  100% {
    transform: translateX(100%) rotate(30deg);
  }
}
.glass-button:hover .shimmer {
  animation-duration: 1.5s;
}
.glass-button span {
  position: relative;
  z-index: 1;
}

/* ── Navbar — Hamburger Button ── */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  cursor: pointer;
  z-index: 21;
}
.nav-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform 0.3s,
    opacity 0.3s;
}
.nav-burger.--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-burger.--open span:nth-child(2) {
  opacity: 0;
}
.nav-burger.--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Navbar — Responsive ── */
@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    flex-direction: column;
    gap: 0;
    padding: 80px 0 32px;
    background: rgba(10, 15, 28, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid rgba(79, 209, 255, 0.1);
    transition: right 0.3s ease;
    z-index: 20;
  }
  .nav-links.--open {
    right: 0;
  }
  .nav-links a {
    padding: 14px 28px;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav-links a.active {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 14px;
    color: var(--color-blue);
    background: rgba(79, 209, 255, 0.05);
  }
  .navbar {
    padding: 14px 24px;
  }
  .nav-burger {
    display: flex;
  }
  .nav-cta {
    padding: 8px 16px;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 12px 16px;
  }
  .nav-brand {
    font-size: 1.1rem;
  }
  .nav-cta {
    padding: 7px 12px;
    font-size: 0.7rem;
  }
  .nav-links {
    width: 100%;
  }
  .glass-button {
    padding: 12px 24px;
    font-size: 0.8rem;
  }
}