/* Header styles for Klub Nocny Hub */

.knh-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(5, 5, 7, 0.96), rgba(5, 5, 7, 0.9));
  border-bottom: 1px solid var(--color-border-soft);
}

.knh-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
  gap: var(--space-4);
}

.knh-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.knh-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.knh-header__logo-link::after {
  content: none;
}

.knh-header__logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #ffb366 0, #ff8a3c 35%, #e84a2a 70%, #050507 100%);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 12px 30px rgba(0, 0, 0, 0.85);
  position: relative;
}

.knh-header__logo-mark::after {
  content: "FFW";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #120b08;
}

.knh-header__title-group {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.knh-header__site-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.knh-header__site-tagline {
  font-size: var(--font-size-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */

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

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

.knh-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.knh-header__nav-link::after {
  bottom: -0.1rem;
}

.knh-header__nav-link:hover,
.knh-header__nav-link:focus-visible {
  color: var(--color-primary-strong);
}

.knh-header__nav-item--cta .knh-header__nav-link--cta {
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 138, 60, 0.7);
  background: radial-gradient(circle at 10% 0, rgba(255, 186, 120, 0.2), transparent 55%),
              linear-gradient(120deg, rgba(255, 138, 60, 0.16), rgba(232, 74, 42, 0.06));
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.8);
}

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

.knh-header__nav-item--cta .knh-header__nav-link--cta:hover,
.knh-header__nav-item--cta .knh-header__nav-link--cta:focus-visible {
  border-color: rgba(255, 138, 60, 0.95);
  box-shadow: var(--shadow-glow-primary);
  color: var(--color-primary-strong);
}

/* Mobile toggle */

.knh-header__toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-soft);
  background: rgba(9, 8, 12, 0.96);
  cursor: pointer;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

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

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

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

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

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

/* Mobile layout */

@media (max-width: 880px) {
  .knh-header__inner {
    padding-block: var(--space-2);
  }

  .knh-header__site-tagline {
    display: none;
  }

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

  .knh-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: radial-gradient(circle at top, rgba(255, 138, 60, 0.1), transparent 55%),
                rgba(5, 5, 7, 0.98);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base),
                visibility var(--transition-base);
    border-bottom: 1px solid var(--color-border-soft);
  }

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

  .knh-header__nav-link {
    font-size: var(--font-size-base);
  }

  .knh-header--menu-open .knh-header__nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }
}

@media (max-width: 480px) {
  .knh-header__site-name {
    font-size: var(--font-size-base);
  }
}