/* Header styles for Tailor Craft Lab */

.tcl-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(247, 244, 241, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

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

/* Brand */

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

.tcl-header__brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-primary-soft), var(--color-primary));
  box-shadow: var(--shadow-sm);
  position: relative;
}

.tcl-header__brand-mark::before,
.tcl-header__brand-mark::after {
  content: "";
  position: absolute;
  inset: 10px 12px;
  border-radius: 999px;
  border-top: 1px solid rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

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

.tcl-header__brand-name {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tcl-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigation */

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

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

.tcl-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--color-text);
  padding-block: 0.25rem;
}

.tcl-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

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

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

.tcl-header__nav-link--cta {
  padding: 0.5rem 1.3rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-primary);
  background-color: var(--color-primary);
  color: #fff;
  font-weight: 500;
}

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

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

/* Mobile toggle */

.tcl-header__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background-color: var(--color-surface);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text);
}

.tcl-header__toggle-box {
  width: 18px;
  height: 16px;
  position: relative;
}

.tcl-header__toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.tcl-header__toggle-line:first-child {
  top: 3px;
}

.tcl-header__toggle-line:last-child {
  bottom: 3px;
}

.tcl-header__toggle[aria-expanded="true"] .tcl-header__toggle-line:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(42deg);
}

.tcl-header__toggle[aria-expanded="true"] .tcl-header__toggle-line:last-child {
  bottom: 50%;
  transform: translateY(50%) rotate(-42deg);
}

/* Responsive behavior */

@media (max-width: 767px) {
  .tcl-header__inner {
    gap: var(--space-3);
  }

  .tcl-header__nav {
    position: fixed;
    inset: 60px var(--space-4) auto var(--space-4);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    transform-origin: top right;
    transform: scale(0.96);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

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

  .tcl-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
  }

  .tcl-header__nav-link--cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
  }

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

  .tcl-header__nav--open {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
  }
}

@media (min-width: 768px) {
  .tcl-header__toggle {
    display: none;
  }

  .tcl-header__nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    padding: 0;
  }
}

@media (max-width: 480px) {
  .tcl-header__brand-tagline {
    display: none;
  }
}