/* Header-specific styles for "PS" Piotr Stryczyński */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.top-bar-inner {
  gap: var(--space-4);
}

.top-bar-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
}

.top-bar-cta {
  flex-shrink: 0;
}

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

.header-brand {
  display: flex;
  align-items: center;
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, rgba(243, 198, 107, 0.95), transparent 55%),
    radial-gradient(circle at 70% 80%, rgba(123, 31, 42, 0.85), transparent 55%),
    #050711;
  box-shadow: 0 0 0 2px rgba(212, 163, 74, 0.7), 0 0 18px rgba(0, 0, 0, 0.85);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.brand-chip {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid rgba(5, 7, 17, 0.9);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.8);
}

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

.brand-title {
  font-family: var(--font-serif-display);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-soft);
}

/* Navigation */
.primary-nav {
  display: flex;
}

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

.nav-link {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-soft);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-burgundy));
  transition: width var(--transition-smooth);
}

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

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

.nav-item-cta {
  margin-left: var(--space-2);
}

/* Mobile toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(5, 7, 17, 0.92);
  color: var(--color-text);
}

.nav-toggle-box {
  width: 18px;
  height: 14px;
  position: relative;
}

.nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transform-origin: center;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth), top var(--transition-smooth), bottom var(--transition-smooth);
}

.nav-toggle-line:first-child {
  top: 2px;
}

.nav-toggle-line:last-child {
  bottom: 2px;
}

.nav-toggle-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* Mobile nav state */
.header-main {
  position: relative;
}

@media (max-width: 63.99rem) {
  .primary-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    padding-top: var(--space-3);
    display: none;
  }

  .primary-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--color-bg-glass-strong);
    box-shadow: var(--shadow-md);
  }

  .nav-item-cta {
    width: 100%;
  }

  .nav-item-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 64rem) {
  .nav-toggle {
    display: none;
  }
}

/* Hamburger to close icon */
.nav-toggle[aria-expanded="true"] .nav-toggle-line:first-child {
  top: 6px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:last-child {
  bottom: 6px;
  transform: rotate(-45deg);
}

.nav-toggle[aria-expanded="true"] {
  box-shadow: var(--shadow-soft);
}

/* Focus styles */
.nav-toggle:focus-visible,
.brand-link:focus-visible,
.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

@media (max-width: 47.99rem) {
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-bar-cta {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}