/**
 * Granoza Foods — Header & Navigation Stylesheet
 * 
 * Implements:
 * - Transparent / Off-white glassmorphism background
 * - Sticky scroll behavior with soft shadow & border
 * - Logo sizing and sharpness
 * - Center navigation with animated underline
 * - Right action icons with circular hover effects & cart count badge
 * - Mobile hamburger menu drawer
 */

/* ==================================================
   ANIMATED TOP ANNOUNCEMENT BAR
   ================================================== */
.top-announcement-bar {
  background: linear-gradient(90deg, var(--color-dark-green) 0%, var(--color-deep-green) 50%, var(--color-dark-green) 100%);
  color: var(--color-white);
  width: 100%;
  height: 38px;
  overflow: hidden;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(217, 154, 22, 0.45);
  box-shadow: 0 2px 10px rgba(3, 61, 34, 0.3);
  position: relative;
  z-index: 950;
  transition: max-height 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease, height 0.45s ease;
}

.announcement-track-container {
  width: 100%;
  overflow: hidden;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

/* Fade edges via pseudo elements on the bar itself */
.top-announcement-bar::before,
.top-announcement-bar::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}
.top-announcement-bar::before {
  left: 0;
  background: linear-gradient(to right, var(--color-dark-green) 0%, transparent 100%);
}
.top-announcement-bar::after {
  right: 0;
  background: linear-gradient(to left, var(--color-dark-green) 0%, transparent 100%);
}

.announcement-track {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  white-space: nowrap;
  will-change: transform;
  /* JS animation via requestAnimationFrame — continuous non-stop */
}

@keyframes announcementMarquee {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

@-webkit-keyframes announcementMarquee {
  0% {
    -webkit-transform: translate3d(0, 0, 0);
  }
  100% {
    -webkit-transform: translate3d(-50%, 0, 0);
  }
}

.announcement-item {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: #F8F5ED;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.5rem;
  letter-spacing: 0.3px;
}

.announcement-item i {
  color: var(--color-golden-wheat);
  font-size: 0.95rem;
}

.announcement-item strong {
  color: #FFFDF7;
  font-weight: 700;
  text-shadow: 0 0 12px rgba(217, 154, 22, 0.4);
}

.announcement-divider {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-golden-wheat);
  font-size: 0.7rem;
  opacity: 0.7;
  padding: 0 1.5rem;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 900;
  background-color: rgba(248, 245, 237, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(232, 223, 206, 0.5);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.scrolled {
  background-color: rgba(248, 245, 237, 0.96);
  box-shadow: 0 6px 20px rgba(6, 78, 43, 0.08);
  border-bottom-color: var(--border-cream);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
  transition: height 0.4s ease;
}

/* LEFT: Brand Logo */
.header-logo {
  display: flex;
  align-items: center;
  z-index: 10;
}

.logo-img {
  height: 58px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.header-logo:hover .logo-img {
  transform: scale(1.04);
}

/* CENTER: Navigation Links */
.header-nav {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-charcoal);
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-golden-wheat), var(--color-deep-green));
  transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-deep-green);
}

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

/* RIGHT: Header Actions & Icons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.action-icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: transparent;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-charcoal);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.action-icon-btn:hover {
  background-color: var(--bg-warm-cream);
  border-color: var(--color-golden-wheat);
  color: var(--color-dark-green);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.cart-count-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--color-warm-gold);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cart-count-badge.bump {
  transform: scale(1.4);
}

/* Mobile Hamburger Toggle */
.mobile-toggle-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border-cream);
  color: var(--color-dark-green);
  font-size: 1.3rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.mobile-toggle-btn:hover {
  background: var(--bg-warm-cream);
  border-color: var(--color-golden-wheat);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 123px;
  left: 0;
  width: 100%;
  background-color: var(--bg-warm-cream);
  border-bottom: 2px solid var(--color-golden-wheat);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateY(-150%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease, top 0.4s ease;
  z-index: 890;
}

.site-header.scrolled ~ .mobile-nav-drawer,
.site-header.announcement-closed ~ .mobile-nav-drawer {
  top: 72px;
}

.mobile-nav-drawer.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark-green);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-cream);
  display: block;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--color-warm-gold);
  padding-left: 10px;
}

.mobile-actions {
  display: flex;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-cream);
}

/* Responsive Header */
@media (max-width: 768px) {
  .top-announcement-bar {
    height: 34px;
  }
  .announcement-item {
    font-size: 0.78rem;
  }
  .announcement-divider {
    padding: 0 1rem;
  }
  .announcement-close-btn {
    width: 34px;
    height: 34px;
  }

  .header-nav {
    display: none;
  }
  
  .mobile-toggle-btn {
    display: flex;
  }
  
  .logo-img {
    height: 48px;
  }
  
  .header-container {
    height: 75px;
  }
  
  .mobile-nav-drawer {
    top: 109px;
  }
}

/* Extra small: 480px */
@media (max-width: 480px) {
  .top-announcement-bar {
    height: 32px;
  }
  .announcement-item {
    font-size: 0.74rem;
    gap: 0.35rem;
  }
  .announcement-divider {
    padding: 0 0.75rem;
  }

  .logo-img {
    height: 42px;
  }

  .header-container {
    height: 68px;
  }

  .mobile-nav-drawer {
    top: 100px;
    padding: 1.5rem 1.25rem;
  }

  .action-icon-btn {
    width: 38px;
    height: 38px;
    font-size: 1.05rem;
  }

  .cart-count-badge {
    width: 18px;
    height: 18px;
    font-size: 0.65rem;
    top: -4px;
    right: -4px;
  }

  .mobile-nav-link {
    font-size: 1.3rem;
  }
}