.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.7);
  background-color: #ffffff;
  color: var(--color-text);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
}

.navbar-toggle-bar {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar-toggle.is-active .navbar-toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.navbar-toggle.is-active .navbar-toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.is-active .navbar-toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

.navbar-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at 0 0, rgba(255, 59, 127, 0.16), transparent 55%),
              radial-gradient(circle at 100% 100%, rgba(60, 124, 255, 0.16), transparent 55%);
}

.logo-mark {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 0.8rem;
  background: conic-gradient(from 180deg, var(--color-primary), var(--color-secondary), var(--color-accent-2), var(--color-accent-3), var(--color-primary));
  position: relative;
}

.logo-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.6);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: var(--fs-sm);
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.navbar-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  position: fixed;
  inset: var(--header-height) 0 auto 0;
  z-index: 50;
  padding: var(--space-6) var(--space-4) var(--space-8);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.navbar-menu-left,
.navbar-menu-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.navbar-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.nav-link-cta {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 59, 127, 0.45);
  background: linear-gradient(90deg, rgba(255, 59, 127, 0.08), rgba(60, 124, 255, 0.08));
}

.nav-link-cta:hover {
  background: linear-gradient(90deg, rgba(255, 59, 127, 0.12), rgba(60, 124, 255, 0.14));
}

@media (min-width: 960px) {
  .navbar-toggle {
    display: none;
  }

  .navbar-inner {
    max-width: var(--container-max-width);
    margin: 0 auto;
    gap: var(--space-8);
    justify-content: center;
  }

  .navbar-menu {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    padding: 0;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    background: transparent;
  }

  .navbar-menu-left,
  .navbar-menu-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    flex: 1;
  }

  .navbar-logo {
    order: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .navbar-menu {
    transition: none;
  }
}