/* Header-specific styles for Overenia */

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

.site-header__inner {
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.site-header__logo-pill {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent-blue));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.site-header__logo-pill::before {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 0%, rgba(255,255,255,0.7) 0, transparent 60%);
}

.site-header__logo-chip {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 250, 243, 0.9);
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.site-header__brand-tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

/* Mobile toggle */
.site-header__toggle {
  position: relative;
  flex-direction: column;
  border: 0;
  background: rgba(255, 255, 255, 0.95);
  padding: 0;
}

.site-header__toggle-bar {
  width: 1.4rem;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  display: block;
  transition: transform var(--transition-normal), opacity var(--transition-fast), background-color var(--transition-normal);
}

.site-header__toggle-bar + .site-header__toggle-bar {
  margin-top: 0.22rem;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__toggle:focus-visible {
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 3px;
}

/* Navigation layout */
.site-nav {
  position: fixed;
  width: 100%;
  left: 0;
  top: 60px;

  background: radial-gradient(circle at top left, rgba(255,247,242,0.98) 0, rgba(244,249,255,0.98) 55%, rgba(255,245,248,0.98) 100%);
  transform: translateY(-6%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.site-nav__list {
  flex-direction: column;
  padding: var(--space-6) var(--space-4) var(--space-10);
}

.site-nav__item {
  list-style: none;
}

.site-nav__link {
  font-size: 1rem;
}

.site-nav__cta {
  margin-top: var(--space-4);
}

.site-nav--open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  display: block;
}

/* Desktop overrides */
@media (min-width: 960px) {
  .site-nav {
    position: static;
    inset: auto;
    background: transparent;
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: row;
    padding: 0;
  }

  .site-nav__cta {
    margin-top: 0;
  }
}

/* Utility for body lock when mobile menu open */
.body--nav-open {
  overflow: hidden;
}