/* Header-specific styles for EasyNova Ultimate */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
}

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

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

.site-header__logo-mark {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 30% 20%, rgba(56, 189, 248, 0.8), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(34, 197, 94, 0.9), transparent 65%),
    rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--shadow-glow-primary);
  overflow: hidden;
}

.site-header__chip {
  position: absolute;
  inset: 8px;
  border-radius: 999px;
  border: 2px solid rgba(15, 23, 42, 0.98);
  box-shadow: inset 0 0 0 2px rgba(148, 163, 184, 0.6);
}

.site-header__grid {
  position: absolute;
  inset: 6px;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.5) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0.65;
}

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

.site-header__brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-header__brand-name--accent {
  color: var(--color-primary-strong);
}

.site-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-soft);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0), rgba(56, 189, 248, 0.85), rgba(34, 197, 94, 0));
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: #e5e7eb;
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.site-header__cta-button {
  white-space: nowrap;
}

/* Mobile toggle */

.site-header__nav-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.9);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.site-header__nav-toggle-line {
  position: absolute;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #e5e7eb;
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.site-header__nav-toggle-line:nth-child(1) {
  top: 14px;
}

.site-header__nav-toggle-line:nth-child(2) {
  top: 20px;
}

.site-header__nav-toggle-line:nth-child(3) {
  bottom: 14px;
}

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

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

.site-header__nav-toggle[aria-expanded="true"] .site-header__nav-toggle-line:nth-child(3) {
  bottom: 20px;
  transform: rotate(-45deg);
}

@media (max-width: 960px) {
  .site-header__nav-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-4) var(--container-padding-x) var(--space-6);
    background: linear-gradient(to bottom, rgba(2, 6, 23, 0.98), rgba(2, 6, 23, 0.98));
    border-bottom: 1px solid rgba(30, 64, 175, 0.7);
    box-shadow: var(--shadow-strong);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

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

  .site-header__nav-link {
    font-size: 0.85rem;
  }

  .site-header__nav--open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header__cta {
    display: flex;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .site-header__brand-tagline {
    display: none;
  }
}