:root {
  color-scheme: dark;
  --vk-bg: #0A0A0C;
  --vk-bg-muted: #111118;
  --vk-fg: #E0E0E0;
  --vk-fg-muted: #A0A0A0;
  --vk-fg-soft: #6E6E6E;
  --vk-accent: #C736FF;
  --vk-border: #262633;
  --vk-radius-lg: 16px;
  --vk-radius-md: 12px;
  --vk-radius-sm: 8px;
  --vk-shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.7);
}

/* Shell */

.vk-body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #151520 0, #0A0A0C 55%, #050507 100%);
  color: var(--vk-fg);
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.vk-shell {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* Header */

.vk-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.vk-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
}

.vk-mark-sigil {
  font-size: 1.4rem;
  color: var(--vk-accent);
}

.vk-mark-word {
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vk-fg-muted);
}

.vk-nav {
  display: flex;
  gap: 1rem;
}

.vk-nav-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--vk-fg-muted);
  padding: 0.25rem 0.4rem;
  border-radius: var(--vk-radius-sm);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.vk-nav-link:hover {
  color: var(--vk-fg);
  background-color: rgba(199, 54, 255, 0.08);
}

/* Hero */

.vk-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.vk-hero-banner {
  border-radius: var(--vk-radius-lg);
  overflow: hidden;
  box-shadow: var(--vk-shadow-soft);
  border: 1px solid var(--vk-border);
  background: #000;
}

.vk-hero-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.vk-hero-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Buttons */

.vk-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.vk-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.vk-button-primary {
  background: var(--vk-accent);
  color: #0A0A0C;
  border-color: var(--vk-accent);
}

.vk-button-primary:hover {
  background: #d35cff;
  border-color: #d35cff;
  color: var(--vk-fg);
}

.vk-button-ghost {
  background: transparent;
  color: var(--vk-fg-muted);
  border-color: var(--vk-border);
}

.vk-button-ghost:hover {
  border-color: var(--vk-accent);
  color: var(--vk-fg);
}

/* Sections */

.vk-section {
  padding: 1.75rem 1.5rem;
  border-radius: var(--vk-radius-md);
  background: rgba(10, 10, 12, 0.85);
  border: 1px solid var(--vk-border);
  backdrop-filter: blur(12px);
}

.vk-section-muted {
  background: var(--vk-bg-muted);
}

.vk-list {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
  list-style: disc;
}

.vk-glyph {
  font-family: "JetBrains Mono", SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--vk-accent);
  margin-right: 0.35rem;
}

/* Footer */

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

.vk-footer-text {
  font-size: 0.8rem;
  color: var(--vk-fg-soft);
}

/* Responsive */

@media (max-width: 800px) {
  .vk-shell {
    padding: 1.75rem 1.25rem 2.5rem;
  }

  .vk-hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .vk-hero-banner {
    order: -1;
  }

  .vk-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .vk-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}