/* Header styles for FastTwisterHU */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(6, 7, 11, 0.98), rgba(6, 7, 11, 0.9));
  border-bottom: 1px solid var(--color-border-subtle);
  backdrop-filter: blur(14px);
}

.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 {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.site-header__logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 40% 60% 55% 45%;
  background: conic-gradient(from 140deg, var(--color-primary), var(--color-secondary), var(--color-accent-yellow), var(--color-primary));
  box-shadow: var(--shadow-glow-primary);
}

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

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

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

.site-header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}

.site-header__nav-link:hover,
.site-header__nav-link[aria-current='page'] {
  color: var(--color-primary);
}

.site-header__nav-item--cta .site-header__nav-link--cta {
  padding: 0.55rem 1.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 229, 255, 0.7);
  background: radial-gradient(circle at top left, rgba(0, 229, 255, 0.16), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255, 42, 212, 0.18), transparent 55%),
    rgba(10, 12, 20, 0.96);
  box-shadow: var(--shadow-soft);
}

.site-header__nav-item--cta .site-header__nav-link--cta:hover {
  background: radial-gradient(circle at top left, rgba(0, 229, 255, 0.25), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255, 42, 212, 0.25), transparent 55%),
    rgba(10, 12, 20, 1);
  box-shadow: var(--shadow-strong), var(--shadow-glow-secondary);
  color: var(--color-text);
}

/* Mobile toggle button */
.site-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background: rgba(10, 12, 20, 0.94);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

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

.site-header__toggle:focus-visible {
  outline: none;
}

.site-header__toggle[aria-expanded='true'] .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) 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(-4px) rotate(-45deg);
}

/* Mobile navigation layout */
@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: rgba(6, 7, 11, 0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--font-size-md);
  }

  .site-header__nav-item--cta .site-header__nav-link--cta {
    width: 100%;
    text-align: center;
  }

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

/* Desktop tweaks */
@media (min-width: 769px) {
  .site-header__nav-list {
    margin-right: -0.3rem;
  }
}