/* Header styles for Hualtriona */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.98), rgba(5, 6, 8, 0.94));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.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: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.site-header__logo-mark {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: radial-gradient(circle at 30% 0, rgba(12, 212, 160, 0.6) 0, rgba(12, 212, 160, 0.08) 40%, transparent 70%),
              radial-gradient(circle at 70% 100%, rgba(255, 179, 71, 0.7) 0, rgba(255, 179, 71, 0.08) 40%, transparent 70%),
              linear-gradient(145deg, #07080c, #141720);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-header__logo-chip {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 2px solid rgba(244, 241, 232, 0.85);
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8) 0, rgba(12, 212, 160, 0.75) 35%, #020305 75%);
  box-shadow: 0 0 12px rgba(12, 212, 160, 0.8);
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-header__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.site-header__brand-tagline {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* 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;
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 6px;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-amber));
  transition: width var(--transition-med);
}

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

.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: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(12, 212, 160, 0.45);
  background: radial-gradient(circle at 0 0, rgba(12, 212, 160, 0.8) 0, rgba(12, 212, 160, 0.16) 40%, transparent 70%),
              linear-gradient(135deg, rgba(6, 10, 12, 0.96), rgba(7, 12, 15, 0.96));
  box-shadow: 0 0 0 1px rgba(12, 212, 160, 0.3), 0 10px 26px rgba(0, 0, 0, 0.8);
  color: var(--color-text);
}

.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 {
  border-color: rgba(255, 179, 71, 0.8);
  box-shadow: var(--shadow-glow-emerald);
}

/* Mobile toggle */

.site-header__nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle at 0 0, rgba(12, 212, 160, 0.35) 0, rgba(12, 212, 160, 0.06) 40%, transparent 70%),
              rgba(5, 7, 11, 0.96);
  color: var(--color-text);
}

.site-header__nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-med), opacity var(--transition-med), width var(--transition-med);
}

.site-header__nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Disclaimer under header */

.site-header__disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: radial-gradient(circle at 0 0, rgba(255, 179, 71, 0.16) 0, transparent 55%),
              rgba(13, 16, 24, 0.98);
  padding: 6px var(--container-padding-x) 8px;
  font-size: var(--font-size-xs);
}

.site-header__disclaimer p {
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.site-header__disclaimer strong {
  color: var(--color-text);
}

/* Responsive */

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

  .site-header__brand-tagline {
    display: none;
  }

  .site-header__nav-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: radial-gradient(circle at 0 0, rgba(12, 212, 160, 0.2) 0, transparent 55%),
                radial-gradient(circle at 100% 0, rgba(255, 179, 71, 0.2) 0, transparent 55%),
                #050608;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-med), opacity var(--transition-med);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--container-padding-x) var(--space-5);
  }

  .site-header__nav-link {
    font-size: 0.9rem;
  }

  .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.85);
  }
}

@media (min-width: 769px) {
  .site-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
}