/* ==========================================================================
   header.css — site header, wordmark, primary nav
   Without JS the mobile panel renders open, so navigation never breaks.
   ========================================================================== */

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-header);

  background-color: color-mix(in srgb, var(--bg) 88%, transparent);
  border-block-end: var(--border-w) solid var(--border);
  backdrop-filter: blur(10px);
}

@supports not (backdrop-filter: blur(10px)) {
  .site-header { background-color: var(--bg); }
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: var(--header-h);
}

/* --- Wordmark ------------------------------------------------------------ */

/* --- Wordmark -------------------------------------------------------------
   The real Dajer & Co logo artwork, not a reconstruction. Source files:
   BRANDING\Website\Logos\Logo Complete.png (horizontal lockup). Transparent
   padding was trimmed and a reversed (white) variant generated by preserving
   the alpha channel and forcing RGB to white — the artwork itself is
   untouched. See assets/MANIFEST.md §0.                                     */

.wordmark {
  display: inline-flex;
  align-items: center;
  flex: none;

  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: opacity var(--dur-fast) var(--ease);
}

/* Height drives the lockup; width follows the 332:60 aspect. Fluid so the
   logo and the Menu button both fit at 320px. */
.wordmark img {
  display: block;
  width: auto;
  height: clamp(1.5rem, 4vw, 2rem);   /* 24 → 32 */
}

.wordmark:hover { opacity: 0.6; }

.site-footer .wordmark img { height: 2.25rem; }

/* --- Nav ----------------------------------------------------------------- */

/* Hidden by default and revealed only once JS is running — otherwise a
   no-JS visitor gets a button that does nothing. The panel below stays
   open in that case, so navigation still works. */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding-inline: var(--space-3);

  background: none;
  color: var(--text);
  font-size: var(--fs-2xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;

  border: var(--border-w) solid var(--rule);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle__bars {
  display: grid;
  gap: 3px;
  width: 1rem;
}

.nav-toggle__bars span {
  height: 1.5px;
  background-color: currentColor;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

.site-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  display: block;
  padding-block: var(--space-3);
  padding-inline: var(--space-2);

  color: var(--text-secondary);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  text-decoration: none;

  border-block-end: var(--border-w-strong) solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.site-nav__link:hover {
  color: var(--text);
  border-color: var(--rule);
}

/* Current page carries a rule as well as a colour — never colour alone. */
.site-nav__link[aria-current="page"] {
  color: var(--text);
  font-weight: var(--fw-semibold);
  border-color: var(--accent);
}

/* --- Mobile panel (below 48rem) ------------------------------------------ */

@media (max-width: 47.999rem) {
  .js .nav-toggle { display: inline-flex; }

  .site-header__nav {
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    z-index: var(--z-nav);

    padding: var(--space-5) var(--gutter) var(--space-7);

    background-color: var(--bg);
    border-block-end: var(--border-w) solid var(--rule);
    box-shadow: var(--shadow-lg);
  }

  /* JS sets hidden; without JS the attribute is never applied and the panel
     stays open and usable. */
  .site-header__nav[hidden] { display: none; }

  .site-nav__cta { margin-block-start: var(--space-4); }

  .site-nav__cta .btn { width: 100%; }
}

/* --- Desktop (48rem and up) ---------------------------------------------- */

@media (min-width: 48rem) {
  /* Beat the [hidden] attribute the script may have left behind when the
     viewport was narrow. Attribute selector, not !important. */
  .site-header__nav[hidden],
  .site-header__nav {
    display: flex;

    position: static;
    padding: 0;

    background: none;
    border: 0;
    box-shadow: none;
  }

  .site-nav {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-5);
  }

  .site-nav__link { padding-block: var(--space-2); }
}