/* Header styles specific to FAUST ŁUKASZ MALINOWSKI */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

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

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

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

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #f9f5ee 0, #f0e3d5 40%, #c59a6a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.site-header__logo-icon {
  color: var(--color-primary-dark);
  font-size: 1.1rem;
}

.site-header__text {
  display: flex;
  flex-direction: column;
}

.site-header__title {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-tight);
}

.site-header__subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */

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

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

.site-header__nav-link {
  font-size: var(--font-size-sm);
  color: var(--gray-800);
  font-weight: 500;
  padding: 0.25rem 0;
  position: relative;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
}

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

.site-header__nav-item--cta {
  margin-left: var(--space-4);
}

.site-header__cta {
  font-size: var(--font-size-xs);
  color: white !important;
}

/* Mobile toggle */

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background-color: var(--color-surface);
  color: var(--gray-800);
  cursor: pointer;
}

.site-header__toggle:hover {
  background-color: var(--gray-100);
}

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

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-800);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Open state animation */

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

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

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

/* Mobile layout */

@media (max-width: 896px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
    transform-origin: top;
  }

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

  .site-header__nav-item {
    width: 100%;
  }

  .site-header__nav-link,
  .site-header__cta {
    display: block;
    width: 100%;
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__nav-item--cta {
    margin-left: 0;
    margin-top: var(--space-2);
  }

  /* Default: menu visible if JS disabled */
  .site-header__nav {
    display: block;
  }

  /* When JS enhances, we add a class to allow collapsing */
  .site-header--js .site-header__nav {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition-slow), opacity var(--transition-normal);
  }

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

@media (min-width: 897px) {
  .site-header__nav {
    position: static;
    box-shadow: none;
  }
}