/* Header styles for Crowd Flow Agency */

.cfa-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 5, 9, 0.96), rgba(5, 5, 9, 0.9));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cfa-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

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

.cfa-header__brand:hover {
  color: var(--color-primary);
}

.cfa-header__logo {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 0%, rgba(244, 194, 107, 0.3) 0, transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(213, 58, 78, 0.45) 0, transparent 55%),
    #050509;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(244, 194, 107, 0.55);
}

.cfa-header__logo-mark {
  width: 18px;
  height: 18px;
  border-radius: 40% 60% 50% 50%;
  background: conic-gradient(from 160deg, #f4c26b, #ff5a7a, #f4c26b);
  box-shadow: 0 0 18px rgba(244, 194, 107, 0.6);
}

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

.cfa-header__brand-name {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

/* Navigation */

.cfa-header__nav {
  display: flex;
}

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

.cfa-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: none;
}

.cfa-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-normal);
}

.cfa-header__nav-link:focus-visible::after,
.cfa-header__nav-link:hover::after {
  width: 100%;
}

.cfa-header__nav-link:hover {
  color: var(--color-primary-strong);
}

.cfa-header__nav-item--cta .cfa-header__nav-link--button {
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(244, 194, 107, 0.7);
  background: radial-gradient(circle at 0 0, rgba(244, 194, 107, 0.3) 0, transparent 50%),
    linear-gradient(135deg, #f4c26b, #f7d58f);
  color: #050509;
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
}

.cfa-header__nav-item--cta .cfa-header__nav-link--button:hover {
  box-shadow: var(--shadow-glow-primary);
}

.cfa-header__nav-item--cta .cfa-header__nav-link--button::after {
  display: none;
}

/* Mobile toggle */

.cfa-header__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 8, 14, 0.95);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.cfa-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.cfa-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Mobile menu open state (controlled by JS) */

.cfa-header--menu-open .cfa-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.cfa-header--menu-open .cfa-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.cfa-header--menu-open .cfa-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive behaviour */

@media (max-width: 768px) {
  .cfa-header__inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .cfa-header__toggle {
    display: inline-flex;
  }

  .cfa-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: radial-gradient(circle at top left, rgba(244, 194, 107, 0.08) 0, transparent 40%),
      radial-gradient(circle at bottom right, rgba(213, 58, 78, 0.09) 0, transparent 45%),
      rgba(5, 5, 9, 0.98);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .cfa-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-4) var(--space-6);
    gap: var(--space-3);
  }

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

  .cfa-header__nav-item--cta .cfa-header__nav-link--button {
    width: 100%;
    justify-content: center;
  }

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

@media (max-width: 520px) {
  .cfa-header__brand-name {
    font-size: 0.95rem;
  }

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