/* ============================================================
   BITES — Header / Navbar
   Fixed ivory navbar with charcoal logo badge, ORDER pill,
   hamburger icon, full-screen mobile menu.
   ============================================================ */

/* ── Header Bar ──────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background-color: var(--bites-ivory);
  z-index: var(--z-header);
  transition: height var(--dur-medium) var(--ease-out),
              box-shadow var(--dur-medium) var(--ease-out);
  border-bottom: 1.5px solid var(--bites-green);
}

.site-header.is-shrunk {
  height: var(--header-h-shrunk);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-content);
  margin-inline: auto;
  padding-inline: var(--space-page-x);
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img {
  height: clamp(48px, 8vw, 75px);
  width: auto;
  display: block;
}

/* ── Nav Center (desktop links) ──────────────────────────── */
.header__nav {
  display: none;
  gap: clamp(24px, 3vw, 48px);
  align-items: center;
}

@media (min-width: 1024px) {
  .header__nav {
    display: flex;
  }
}

.header__nav-link {
  font-family: var(--font-body);
  font-size: var(--text-nav);
  text-transform: uppercase;
  letter-spacing: var(--ls-nav);
  font-weight: 600;
  color: var(--bites-green);
  position: relative;
  padding-block: 4px;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--bites-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-ui) var(--ease-out);
}

.header__nav-link:hover::after,
.header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

/* ── Right Actions ───────────────────────────────────────── */
.header__actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}

/* ── Order CTA Pill ──────────────────────────────────────── */
.header__order-btn {
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background-color: var(--bites-yellow);
  color: var(--bites-charcoal);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: transform var(--dur-ui) var(--ease-out),
              background-color var(--dur-ui) var(--ease-out);
  font-weight: 400;
}

.header__order-btn:hover {
  transform: translateY(-2px);
  background-color: #f0b520;
}

.header__order-btn:active {
  transform: translateY(0);
}

/* ── Hamburger ───────────────────────────────────────────── */
.header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  padding: 4px 0;
  position: relative;
  z-index: calc(var(--z-mobile-menu) + 5);
}

.header__hamburger-line {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--bites-green);
  border-radius: 2px;
  transition: transform var(--dur-medium) var(--ease-out),
              opacity var(--dur-fast) ease;
  transform-origin: center;
}

/* Hamburger open state */
.header__hamburger.is-active .header__hamburger-line:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.header__hamburger.is-active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger.is-active .header__hamburger-line:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ── Bakery doodle (desktop) ─────────────────────────────── */
.header__doodle {
  display: none;
  width: 32px;
  height: 32px;
  opacity: 0.6;
}

@media (min-width: 1200px) {
  .header__doodle {
    display: block;
  }
}

/* ── Mobile Menu Overlay ─────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100svh;
  background-color: var(--bites-green);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 100px var(--space-page-x) 60px;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity var(--dur-medium) var(--ease-out),
              transform var(--dur-medium) var(--ease-out);
}

.mobile-menu.is-open {
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5rem);
  text-transform: uppercase;
  color: var(--bites-ivory);
  line-height: 1.15;
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 8px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--dur-reveal) var(--ease-expressive),
              transform var(--dur-reveal) var(--ease-expressive),
              color var(--dur-fast) ease;
}

.mobile-menu.is-open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays applied via inline style or JS */
.mobile-menu.is-open .mobile-menu__link:nth-child(1) { transition-delay: 80ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) { transition-delay: 145ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) { transition-delay: 210ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) { transition-delay: 275ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(5) { transition-delay: 340ms; }
.mobile-menu.is-open .mobile-menu__link:nth-child(6) { transition-delay: 405ms; }

.mobile-menu__link:hover,
.mobile-menu__link:focus-visible {
  color: var(--bites-yellow);
}

.mobile-menu__footer {
  margin-top: auto;
  display: flex;
  gap: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-reveal) var(--ease-expressive) 450ms,
              transform var(--dur-reveal) var(--ease-expressive) 450ms;
}

.mobile-menu.is-open .mobile-menu__footer {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__social {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bites-cream);
  transition: color var(--dur-fast) ease;
}

.mobile-menu__social:hover {
  color: var(--bites-yellow);
}

/* ── Mobile responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .site-header {
    height: var(--header-h-mobile);
  }
  
  .site-header.is-shrunk {
    height: var(--header-h-shrunk-mobile);
  }

  .header__inner {
    padding-inline: var(--space-page-x-mobile);
  }

  .header__logo-badge {
    height: var(--logo-badge-h-mobile);
    padding: 5px 10px;
  }

  .header__logo-badge img,
  .header__logo-badge svg {
    height: 22px;
  }

  .header__order-btn {
    font-size: 0.65rem;
    padding: 8px 16px;
  }
}

@media (max-width: 420px) {
  .header__order-btn {
    display: none;
  }
}