/* Header styles scoped to .site-header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 8, 20, 0.92), rgba(5, 8, 20, 0.85));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: 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: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 10% 0, #ffe29b 0, var(--color-primary) 55%, #f7b733 100%);
  color: #1b1830;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  box-shadow: var(--shadow-md);
}

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

.site-header__site-name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.site-header__tagline {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Navigation */

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

.site-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.35rem 0;
  transition: color var(--transition-base), opacity var(--transition-base);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 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 {
  transform: scaleX(1);
}

.site-header__nav-item--cta .site-header__nav-link--cta {
  padding-inline: 1.4rem;
  padding-block: 0.55rem;
  font-size: 0.8rem;
  color: #080d29 !important;
}

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

/* Mobile toggle */

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background-color: rgba(5, 8, 20, 0.9);
  color: var(--color-text);
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

/* Toggle animation states */

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

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

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

/* Mobile layout */

@media (max-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__tagline {
    display: none;
  }

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

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(255, 191, 60, 0.08) 0, rgba(5, 8, 20, 0.98) 45%, #050814 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity 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-item--cta {
    width: 100%;
  }

  .site-header__nav-item--cta .site-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  .site-header--menu-open .site-header__nav {
    transform: scaleY(1);
    opacity: 1;
    visibility: visible;
  }
}

/* Desktop layout refinements */

@media (min-width: 769px) {
  .site-header__nav-list {
    gap: var(--space-5);
  }
}