/* Header styles for Acev Vibe */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 6, 10, 0.96), rgba(5, 6, 10, 0.9));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}

.site-header__brand {
  display: flex;
  align-items: center;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: radial-gradient(circle at 30% 0, #f6d18b 0, #e3a64a 36%, #3b2510 82%);
  box-shadow: var(--shadow-glow-primary);
  position: relative;
}

.site-header__logo-mark::before {
  content: "A";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: #130f07;
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header__logo-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

/* Navigation */
.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-200);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f1b85f, #e3a64a);
  border-radius: 999px;
  transition: width var(--transition-base);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--gray-50);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  width: 100%;
}

.site-header__nav-item--cta .site-header__nav-link--cta {
  padding-inline: 0.9rem;
  padding-block: 0.35rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(227, 166, 74, 0.7);
  background: radial-gradient(circle at top, rgba(227, 166, 74, 0.2) 0, rgba(5, 6, 10, 0.92) 55%, #05060a 100%);
  box-shadow: 0 0 24px rgba(227, 166, 74, 0.2);
}

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

.site-header__nav-item--cta .site-header__nav-link--cta:hover,
.site-header__nav-item--cta .site-header__nav-link--cta:focus-visible {
  background: radial-gradient(circle at top, rgba(241, 184, 95, 0.3) 0, rgba(10, 12, 22, 0.98) 55%, #05060a 100%);
  color: var(--gray-50);
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background: rgba(5, 6, 10, 0.96);
  color: var(--gray-100);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--gray-100);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary-strong);
  outline-offset: 2px;
}

/* Mobile menu open state */
.site-header--nav-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header--nav-open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header--nav-open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 768px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: radial-gradient(circle at top, rgba(227, 166, 74, 0.12) 0, #05060a 58%);
    border-top: 1px solid var(--color-border-subtle);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .site-header--nav-open .site-header__nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .site-header__logo-subtitle {
    display: none;
  }
}