/* Header styles for Next Leveel Gym */

.nl-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: radial-gradient(circle at top left, rgba(255, 33, 85, 0.32), transparent 55%), var(--color-surface);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-xs);
}

.nl-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Brand */

.nl-header__brand {
  display: flex;
  align-items: center;
}

.nl-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.nl-header__logo-mark {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 0.5rem;
  background: conic-gradient(from 210deg, var(--color-primary), var(--color-primary-strong), #ff8fa3, var(--color-primary));
  box-shadow: var(--shadow-glow);
}

.nl-header__logo-text {
  white-space: nowrap;
}

/* Nav */

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

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

.nl-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.nl-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nl-header__nav-link:hover,
.nl-header__nav-link:focus-visible {
  color: var(--color-text);
}

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

.nl-header__nav-item--cta .nl-header__nav-link--cta {
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  box-shadow: var(--shadow-sm);
}

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

.nl-header__nav-item--cta .nl-header__nav-link--cta:hover,
.nl-header__nav-item--cta .nl-header__nav-link--cta:focus-visible {
  box-shadow: var(--shadow-glow);
}

/* Mobile toggle */

.nl-header__toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background-color: rgba(0, 0, 0, 0.4);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  color: var(--color-text);
}

.nl-header__toggle-bar {
  width: 1.35rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-fast), width var(--transition-base);
}

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

/* Toggle animation */

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

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

.nl-header--menu-open .nl-header__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile layout */

@media (max-width: 840px) {
  .nl-header__toggle {
    display: inline-flex;
  }

  .nl-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: linear-gradient(180deg, rgba(5, 5, 9, 0.98) 0%, rgba(5, 5, 9, 0.98) 60%, rgba(5, 5, 9, 0.96) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
  }

  .nl-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 var(--container-padding-x) var(--space-4);
    gap: var(--space-2);
  }

  .nl-header__nav-link {
    padding: 0.55rem 0;
    font-size: var(--font-size-base);
  }

  .nl-header--menu-open .nl-header__nav {
    max-height: 18rem;
  }

  .nl-header__nav-item--cta .nl-header__nav-link--cta {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-2);
  }
}

/* Respect reduced motion */

@media (prefers-reduced-motion: reduce) {
  .nl-header__nav {
    transition: none;
  }

  .nl-header__toggle-bar {
    transition: none;
  }
}