.container {
  width: min(calc(100% - 32px), var(--container));
  margin-inline: auto;
}

.container-narrow {
  width: min(calc(100% - 32px), var(--container-narrow));
  margin-inline: auto;
}

/* Section spacing */
.section {
  padding: var(--space-9) 0;
}

.section-sm {
  padding: var(--space-7) 0;
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  height: 68px;
}

.nav-logo img {
  width: clamp(120px, 16vw, 200px);
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-bars span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.site-header.nav-open .nav-toggle-bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.site-header.nav-open .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Grid helpers */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0 var(--space-6);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
}

.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.footer-logo {
  width: clamp(120px, 16vw, 200px);
  height: auto;
  margin-bottom: var(--space-4);
}