.container {
  width: min(var(--container-max), calc(100% - (2 * var(--container-pad))));
  margin: 0 auto;
}

.page {
  position: relative;
  isolation: isolate;
}

/* Enterprise depth: a subtle grid + glow layer under content (no external assets). */
.page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1200px 800px at 50% -10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    radial-gradient(900px 700px at 15% 110%, color-mix(in srgb, var(--accent-3) 10%, transparent), transparent 60%),
    repeating-linear-gradient(
      90deg,
      color-mix(in srgb, var(--border) 32%, transparent),
      color-mix(in srgb, var(--border) 32%, transparent) 1px,
      transparent 1px,
      transparent 120px
    ),
    repeating-linear-gradient(
      0deg,
      color-mix(in srgb, var(--border) 26%, transparent),
      color-mix(in srgb, var(--border) 26%, transparent) 1px,
      transparent 1px,
      transparent 90px
    );
  opacity: 0.16;
  z-index: -1;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  /* Avoid "glass" blur; keep a solid enterprise header with subtle depth. */
  background: var(--panel-3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  position: relative;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  background: var(--panel-2);
  color: color-mix(in srgb, var(--text) 86%, var(--muted));
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--border) 70%, var(--accent));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--text);
  transition: transform 140ms ease, filter 140ms ease, border-color 140ms ease,
    background 140ms ease;
}

.btn:visited {
  color: inherit;
}

.btn-primary {
  border-color: transparent;
  color: #041015;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 85%, #ffffff),
    color-mix(in srgb, var(--accent-2) 60%, #ffffff)
  );
}

.btn-primary:hover {
  filter: brightness(1.04);
}

.btn-secondary {
  background: var(--panel-2);
}

.btn-ghost {
  background: transparent;
}

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

.brand {
  margin: 0;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: 0.01em;
}

.brand-link {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.25rem 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 28%, transparent),
    color-mix(in srgb, var(--accent-3) 18%, transparent)
  );
  box-shadow: var(--shadow-sm);
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.012em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.nav-link {
  color: var(--text);
  opacity: 0.9;
  text-decoration: none;
  font-size: var(--text-sm);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.nav-link:hover {
  opacity: 1;
  border-color: color-mix(in srgb, var(--border) 80%, var(--accent));
  background: var(--panel-1);
}

.nav-link.is-active,
.nav-link[aria-current="page"] {
  opacity: 1;
  border-color: color-mix(in srgb, var(--border) 70%, var(--accent));
  background: var(--panel-2);
}

.nav-cta {
  opacity: 1;
  border-color: transparent;
  color: #041015;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 85%, #ffffff),
    color-mix(in srgb, var(--accent-2) 60%, #ffffff)
  );
  font-weight: 760;
}

.nav-cta:hover {
  filter: brightness(1.03);
}

.nav-cta.is-active,
.nav-cta[aria-current="page"] {
  border-color: transparent;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 88%, #ffffff),
    color-mix(in srgb, var(--accent-2) 64%, #ffffff)
  );
}

.nav-more {
  position: relative;
}

.nav-more-summary {
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.nav-more-summary::-webkit-details-marker {
  display: none;
}

.nav-more[open] .nav-more-summary {
  opacity: 1;
  border-color: color-mix(in srgb, var(--border) 70%, var(--accent));
  background: var(--panel-2);
}

.nav-more-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 0;
  min-width: 220px;
  padding: 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--panel-border);
  background-color: var(--panel-3);
  background-image:
    radial-gradient(900px 520px at 10% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 62%),
    linear-gradient(180deg, var(--panel-2), var(--panel-1));
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 20;
}

.nav-more-link {
  display: block;
  padding: 0.5rem 0.65rem;
  border-radius: 12px;
  color: color-mix(in srgb, var(--text) 86%, var(--muted));
  text-decoration: none;
  font-size: var(--text-sm);
  border: 1px solid transparent;
}

.nav-more-link:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--border) 70%, var(--accent));
  background: var(--panel-2);
}

.content {
  padding: var(--space-10) 0 var(--space-16);
}

.footer {
  padding: var(--space-10) 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--text-xs);
  letter-spacing: 0.01em;
}

.footer-links a:hover {
  color: color-mix(in srgb, var(--text) 78%, var(--muted));
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: var(--space-4);
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
}

.skip-link:focus {
  left: var(--space-4);
}

.section {
  margin-top: var(--space-12);
}

.section-head {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}

.section-title {
  margin: 0 0 0.6rem;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}

@media (max-width: 520px) {
  .header {
    padding: 0.85rem 0;
  }
  .nav-link {
    padding: 0.3rem 0.55rem;
  }
  .content {
    padding: var(--space-8) 0 var(--space-12);
  }
}

@media (max-width: 820px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}