:root {
  --xb-bg-0: #05050d;
  --xb-bg-1: #0a0a16;
  --xb-bg-2: #131328;
  --xb-text: #f5f5ff;
  --xb-muted: rgba(245, 245, 255, 0.72);
  --xb-dim: rgba(245, 245, 255, 0.48);
  --xb-mint: #6df6ff;
  --xb-amber: #ffcc66;
  --xb-magenta: #ff5ddb;
  --xb-violet: #8a7bff;
  --xb-green: #5dff7e;
  --xb-red: #ff5f73;
  --xb-panel: rgba(12, 13, 28, 0.74);
  --xb-panel-strong: rgba(9, 10, 22, 0.9);
  --xb-border: rgba(255, 255, 255, 0.14);
  --xb-glow: 0 10px 34px rgba(7, 12, 35, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03);
  --xb-radius-sm: 12px;
  --xb-radius-md: 18px;
  --xb-radius-lg: 24px;
  --xb-space-1: 0.4rem;
  --xb-space-2: 0.7rem;
  --xb-space-3: 1rem;
  --xb-space-4: 1.4rem;
  --xb-space-5: 2rem;
  --xb-space-6: 3rem;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--xb-text);
  background:
    radial-gradient(circle at 10% 0%, rgba(138, 123, 255, 0.2), transparent 35%),
    radial-gradient(circle at 95% 5%, rgba(109, 246, 255, 0.17), transparent 35%),
    radial-gradient(circle at 50% 100%, rgba(255, 93, 219, 0.14), transparent 40%),
    linear-gradient(180deg, var(--xb-bg-1), var(--xb-bg-0));
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, .xb-title, .xb-price {
  font-family: 'Unbounded', sans-serif;
  letter-spacing: 0.04em;
}

p { color: var(--xb-muted); }

a { color: inherit; }

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

.xb-container {
  width: min(1180px, 100% - 2.5rem);
  margin-inline: auto;
}

.xb-section {
  padding: clamp(3.2rem, 5vw, 6rem) 0;
}

.xb-glass {
  background: var(--xb-panel);
  border: 1px solid var(--xb-border);
  border-radius: var(--xb-radius-md);
  box-shadow: var(--xb-glow);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
}

.xb-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--xb-border);
  padding: 0.3rem 0.8rem;
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--xb-muted);
}

.xb-grid {
  display: grid;
  gap: 1rem;
}

.xb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.7rem 1.25rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
  cursor: pointer;
}

.xb-btn:hover { transform: translateY(-1px); }

.xb-btn-primary {
  background: linear-gradient(120deg, var(--xb-mint), var(--xb-violet));
  color: #03050a;
  box-shadow: 0 8px 28px rgba(109, 246, 255, 0.25);
}

.xb-btn-accent {
  background: linear-gradient(120deg, var(--xb-magenta), var(--xb-amber));
  color: #140a13;
}

.xb-btn-ghost {
  border-color: var(--xb-border);
  background: rgba(8, 8, 20, 0.62);
  color: var(--xb-text);
}

.xb-btn-ghost:hover { border-color: var(--xb-mint); color: var(--xb-mint); }

.xb-card {
  border-radius: var(--xb-radius-md);
  border: 1px solid var(--xb-border);
  background: linear-gradient(180deg, rgba(18, 18, 35, 0.86), rgba(9, 10, 20, 0.86));
  box-shadow: var(--xb-glow);
  padding: 1.25rem;
}

.xb-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--xb-border);
  background: rgba(6, 8, 18, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.xb-nav-inner {
  width: min(1240px, 100% - 2rem);
  margin-inline: auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.xb-logo {
  text-decoration: none;
  font-family: 'Unbounded', sans-serif;
  letter-spacing: 0.12em;
  font-size: 0.92rem;
  font-weight: 700;
}

.xb-nav-menu {
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
}

.xb-nav-menu a {
  text-decoration: none;
  color: var(--xb-muted);
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.xb-nav-menu a:hover { color: var(--xb-mint); }

.xb-nav-toggle {
  display: none;
  border: 1px solid var(--xb-border);
  border-radius: 999px;
  background: rgba(14, 15, 31, 0.9);
  color: var(--xb-text);
  padding: .5rem .85rem;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.xb-footer {
  border-top: 1px solid var(--xb-border);
  margin-top: 2rem;
  padding: 2rem 0;
}

.xb-footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
}

.xb-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .8rem;
}

.xb-footer-links a {
  text-decoration: none;
  font-size: .74rem;
  color: var(--xb-muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.xb-footer-links a:hover { color: var(--xb-mint); }

.xb-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s ease, transform .4s ease;
}

.xb-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(109, 246, 255, 0.9);
  outline-offset: 2px;
}

.xb-lowfx .xb-glass,
.xb-lowfx .xb-card {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

@media (max-width: 900px) {
  .xb-nav-toggle { display: inline-flex; }
  .xb-nav-menu {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 68px;
    background: var(--xb-panel-strong);
    border: 1px solid var(--xb-border);
    border-radius: 14px;
    padding: .75rem;
    flex-direction: column;
    align-items: stretch;
  }

  .xb-nav.is-open .xb-nav-menu { display: flex; }

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

@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;
  }
  .xb-reveal { opacity: 1; transform: none; }
}