.site-header {
  box-shadow: var(--shadow-soft);
}

.site-logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at top left, rgba(37, 99, 255, 0.15), transparent 55%),
              radial-gradient(circle at bottom right, rgba(255, 122, 26, 0.18), transparent 55%);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.site-logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: conic-gradient(from 210deg, var(--color-primary), var(--color-accent), var(--color-primary));
  box-shadow: var(--shadow-neon-mixed);
  position: relative;
}

.site-logo-mark::after {
  content: "ZE";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0b1020;
}

.site-logo-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  align-items: center;
  justify-content: center;
  background: rgba(248, 250, 252, 0.9);
  padding: 0;
}

.site-nav-toggle-icon,
.site-nav-toggle-icon::before,
.site-nav-toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  position: relative;
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.site-nav-toggle-icon::before,
.site-nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-nav-toggle-icon::before {
  top: -5px;
}

.site-nav-toggle-icon::after {
  top: 5px;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-icon {
  background-color: transparent;
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-icon::before {
  transform: translateY(5px) rotate(45deg);
}

.site-nav-toggle[aria-expanded="true"] .site-nav-toggle-icon::after {
  transform: translateY(-5px) rotate(-45deg);
}

.site-nav-link-cta {
  border-radius: var(--radius-pill);
  padding-inline: 0.4rem;
}

.site-nav-link-cta::after {
  display: none;
}

.site-nav-link-cta {
  color: var(--color-primary-strong);
}

.site-nav-link-cta:hover {
  color: var(--color-primary-strong);
}

.site-nav-drawer {
  position: fixed;
  top:0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  z-index: var(--z-overlay);
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.site-nav-drawer.is-open {
  opacity: 1;
  pointer-events: auto;
}

.site-nav-drawer-inner {
  width: min(320px, 80vw);
  background: rgba(248, 250, 252, 0.96);
  border-left: 1px solid rgba(148, 163, 184, 0.55);
  box-shadow: var(--shadow-strong);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.site-nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.site-nav-drawer-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-neutral-600);
}

.site-nav-drawer-close {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background-color: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.site-nav-drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.site-nav-drawer-link {
  display: block;
  padding-block: 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-neutral-800);
  border-bottom: 1px solid rgba(148, 163, 184, 0.28);
}

.site-nav-drawer-link-cta {
  border-radius: var(--radius-pill);
  border: 1px solid rgba(37, 99, 255, 0.55);
  padding-inline: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.5rem;
  align-self: flex-start;
}

.site-nav-drawer-link-cta:hover {
  background-color: var(--color-primary-soft);
}

@media (min-width: 768px) {
  .site-nav-toggle {
    display: none;
  }

  .site-nav-drawer {
    display: none;
  }
}

@media (max-width: 767px) {
  .site-header-inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-logo-link {
    padding-inline: 10px;
  }

  .site-logo-text {
    font-size: 0.8rem;
  }
}