/* Fitvoryxa Header Styles */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 8, 22, 0.98), rgba(5, 8, 22, 0.96));
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
  backdrop-filter: blur(14px);
}

.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 {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: conic-gradient(from 140deg, var(--color-primary), var(--color-accent), var(--color-primary));
  box-shadow: 0 0 16px rgba(34, 197, 94, 0.6);
  position: relative;
}

.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, rgba(249, 250, 251, 0.96), transparent 55%),
              radial-gradient(circle at 70% 80%, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 1));
}

.site-header__logo-text {
  font-size: var(--font-size-lg);
}

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

.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;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-base);
}

.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-link--primary {
  padding-inline: 1.1rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(34, 197, 94, 0.35);
}

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

.site-header__nav-link--primary:hover,
.site-header__nav-link--primary:focus-visible {
  filter: brightness(1.05);
}

.site-header__nav-item--cta {
  margin-left: var(--space-2);
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-200);
  transition: transform var(--transition-base), opacity var(--transition-base), translate var(--transition-base);
}

.site-header__toggle-bar + .site-header__toggle-bar {
  margin-top: 4px;
}

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

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

.site-header__toggle.is-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-3);
    padding-bottom: var(--space-3);
  }

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

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding-inline: var(--container-padding-x);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .site-header__nav-list {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-4);
    margin-top: var(--space-2);
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.18), transparent 60%),
                radial-gradient(circle at top right, rgba(37, 99, 235, 0.2), transparent 60%),
                rgba(15, 23, 42, 0.98);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(148, 163, 184, 0.35);
  }

  .site-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .site-header__nav-link--primary {
    justify-content: center;
    width: 100%;
    text-align: center;
  }

  .site-header__nav-link {
    width: 100%;
  }

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

/* Medium and up */
@media (min-width: 769px) {
  .site-header__nav {
    position: static;
  }
}

/* Utility for page content shift if needed (optional, non-breaking) */
.site-header-spacer {
  padding-top: 64px;
}