/* Francai Space - Header Styles */

.fs-header {
  backdrop-filter: blur(24px);
}

.fs-header-inner {
  padding-block: 0.75rem;
}

.fs-header-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fs-header-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.fs-header-logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 0, rgba(45, 125, 255, 0.9), transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(34, 211, 238, 0.7), transparent 55%),
    #020617;
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.3), 0 0 18px rgba(37, 99, 235, 0.75);
  position: relative;
}

.fs-header-logo-mark::after {
  content: "";
  position: absolute;
  inset: 26%;
  border-radius: inherit;
  border: 2px solid rgba(226, 232, 240, 0.7);
  border-top-color: transparent;
  border-left-color: transparent;
  transform: rotate(35deg);
}

.fs-header-logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
}

.fs-header-logo-text span {
  color: var(--color-primary);
}

/* Navigation layout */

.fs-header-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.fs-header-nav-list {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.fs-header-nav-item a {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

.fs-header-nav-item a:hover,
.fs-header-nav-item a:focus-visible {
  color: var(--color-text);
}

.fs-header-cta-wrapper {
  display: flex;
  align-items: center;
}

.fs-header-promo-cta {
  border-radius: 999px;
  padding-inline: 0.95rem;
  background: rgba(15, 23, 42, 0.95);
  border-color: rgba(45, 125, 255, 0.7);
}

.fs-header-promo-cta:hover,
.fs-header-promo-cta:focus-visible {
  border-color: var(--color-accent-cyan);
  box-shadow: var(--shadow-glow-primary);
}

.fs-header-promo-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: radial-gradient(circle at center, #22c55e, #16a34a);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.8);
}

/* Mobile toggle */

.fs-header-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text-soft);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.fs-header-toggle:focus-visible,
.fs-header-toggle:hover {
  border-color: var(--color-primary);
}

.fs-header-toggle-box {
  width: 20px;
  height: 16px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.fs-header-toggle-line {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-cyan));
  transform-origin: center;
  transition: transform var(--transition-fast), opacity var(--transition-fast), translate var(--transition-fast);
}

.fs-header-toggle-text {
  font-size: 0.65rem;
}

/* Toggle active state */

.fs-header-toggle[aria-expanded="true"] .fs-header-toggle-line:nth-child(1) {
  transform: rotate(40deg) translateY(5px);
}

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

.fs-header-toggle[aria-expanded="true"] .fs-header-toggle-line:nth-child(3) {
  transform: rotate(-40deg) translateY(-5px);
}

/* Responsive behaviour */

@media (max-width: 768px) {
  .fs-header-inner {
    gap: 0.75rem;
  }

  .fs-header-toggle {
    display: inline-flex;
  }

  .fs-header-nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: rgba(5, 6, 10, 0.97);
    border-bottom: 1px solid rgba(30, 64, 175, 0.55);
    padding-inline: var(--space-4);
    padding-block: 0.75rem 1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: max-height var(--transition-slow), opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    overflow: hidden;
  }

  .fs-header-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .fs-header-nav-item a {
    font-size: 0.78rem;
  }

  .fs-header-cta-wrapper {
    width: 100%;
    justify-content: flex-start;
    margin-top: 0.5rem;
  }

  .fs-header-nav.fs-header-nav-open {
    max-height: 320px;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

@media (min-width: 769px) {
  .fs-header-nav {
    position: static;
    max-height: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    padding: 0;
    background: transparent;
    border-bottom: none;
  }
}

@media (min-width: 1024px) {
  .fs-header-logo-text {
    font-size: 1.4rem;
  }
}