/* Header-specific styles for Kool Haft Krzysztof Krzemień (weartextilepro.com) */

.header {
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.96);
}

.header__inner {
  gap: var(--space-4);
}

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

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

.header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 0% 0%, var(--color-primary) 0%, var(--color-primary-dark) 55%, #0b1f4a 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.header__logo-initials {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffffff;
}

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

.header__brand-name {
  font-size: var(--font-size-base);
  font-weight: 600;
}

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

/* Navigation */

.header__nav {
  margin-left: auto;
}

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

.header__nav-item {
  list-style: none;
}

.header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

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

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

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

.header__nav-item--highlight .header__nav-link {
  padding-inline: 0.9rem;
  padding-block: 0.45rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(37, 99, 235, 0.16);
  color: white !important;
}

.header__nav-link--primary {
  background-color: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.header__nav-link--primary:hover {
  background-color: var(--color-primary-dark);
}

/* Mobile toggle */

.header__nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.header__nav-toggle:hover {
  background-color: var(--gray-50);
}

.header__nav-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

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

.header__nav-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Mobile layout */

@media (max-width: 768px) {
  .header__inner {
    align-items: center;
  }

  .header__nav-toggle {
    display: inline-flex;
  }

  .header__nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height var(--transition-slow), opacity var(--transition-base), visibility var(--transition-base);
  }

  .header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-2);
  }

  .header__nav-item--highlight .header__nav-link {
    width: 100%;
    justify-content: center;
  }

  .header--menu-open .header__nav {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
  }

  .header--menu-open .header__nav-toggle-bar:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

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

  .header--menu-open .header__nav-toggle-bar:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }
}

@media (max-width: 480px) {
  .header__brand-name {
    font-size: var(--font-size-sm);
  }

  .header__brand-tagline {
    display: none;
  }
}