.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(6px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
}

.logo {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.primary-nav {
  display: flex;
  gap: var(--space-2);
  font-size: 0.95rem;
}

.cta-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid rgba(244, 246, 251, 0.2);
  transition: transform 150ms ease, filter 150ms ease;
}

.btn.primary {
  background: var(--color-accent);
  color: #0b0d10;
  border-color: transparent;
}

.btn.ghost {
  background: transparent;
  color: var(--color-text);
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.card {
  padding: var(--space-3);
  border-radius: var(--radius-panel);
  border: 1px solid rgba(244, 246, 251, 0.12);
  background: rgba(11, 13, 16, 0.35);
}

.text-link {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.principles {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-3);
  color: var(--color-muted);
}

.site-footer {
  padding: var(--space-4) 0 var(--space-5);
  border-top: 1px solid rgba(244, 246, 251, 0.1);
}

.footer-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.footer-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: flex-start;
  flex: 1 1 0;
  min-width: 0;
}

.footer-stack p {
  margin: 0;
}

.footer-stack.is-right {
  text-align: right;
  align-items: flex-end;
}

.footer-center {
  margin: 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.95rem;
  flex: 0 0 auto;
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
  }

  .logo {
    display: block;
    text-align: center;
  }

  .primary-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-1) var(--space-2);
  }

  .footer-layout {
    flex-direction: column;
    align-items: center;
    min-height: 240px;
  }

  .footer-stack,
  .footer-stack.is-right {
    align-items: center;
    text-align: center;
  }

  .footer-center {
    margin-top: auto;
    text-align: center;
    align-self: center;
  }
}

.writing-list-item {
  display: grid;
  gap: 6px;
  padding: var(--space-2);
  border-radius: var(--radius-panel);
  border: 1px solid rgba(244, 246, 251, 0.12);
  background: rgba(11, 13, 16, 0.35);
  color: var(--color-text);
  transition: transform 150ms ease, border-color 150ms ease;
}

.writing-list-item:hover {
  transform: translateY(-2px);
  border-color: rgba(77, 163, 255, 0.4);
}

.writing-list-item.is-active {
  border-color: rgba(77, 163, 255, 0.7);
  box-shadow: 0 0 0 1px rgba(77, 163, 255, 0.25);
}

.writing-list-title {
  font-weight: 600;
}

.writing-list-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.writing-empty {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}