/* ==========================================================================
   LAYOUT — Header, Footer, Bottom Nav, Cart Sidebar, Mobile Menu
   ========================================================================== */

/* ── Announcement Bar ────────────────────────────────────────────────────── */

.announcement-bar {
  background: var(--color-primary-900);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-xs);
  padding: var(--space-2) 0;
  text-align: center;
  position: relative;
  z-index: var(--z-header);
}

.announcement-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.announcement-bar a {
  color: #fff;
  font-weight: var(--weight-semibold);
}

.announcement-bar a:hover {
  text-decoration: underline;
  color: #fff;
}

.announcement-bar__social {
  display: none;
  gap: var(--space-3);
}

.announcement-bar__social a {
  opacity: 0.8;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.announcement-bar__social a:hover {
  opacity: 1;
  text-decoration: none;
}

@media (min-width: 768px) {
  .announcement-bar__inner {
    justify-content: space-between;
  }

  .announcement-bar__social {
    display: flex;
  }
}

/* ── Header ──────────────────────────────────────────────────────────────── */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header--hidden {
  transform: translateY(-100%);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-4);
}

/* Logo */
.header__logo {
  flex-shrink: 0;
}

.header__logo img {
  height: 50px;
  width: auto;
}

@media (min-width: 1024px) {
  .header__logo img {
    height: 60px;
  }
}

/* Desktop Navigation */
.header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-neutral-700);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-color);
  white-space: nowrap;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary-700);
  background: var(--color-primary-50);
}

/* Nav dropdown */
.nav-item {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-neutral-700);
  border-radius: var(--radius-md);
  transition: var(--transition-color);
}

.nav-dropdown__link:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

/* Header Search (desktop) */
.header__search {
  display: none;
  flex: 1;
  max-width: 360px;
  position: relative;
}

@media (min-width: 1024px) {
  .header__search {
    display: block;
  }
}

.header__search input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  background: var(--color-neutral-50);
  transition: var(--transition-base);
  min-height: 42px;
}

.header__search input:focus {
  border-color: var(--color-primary-400);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.12);
}

.header__search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Header Actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header__action-btn {
  position: relative;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-neutral-700);
  transition: var(--transition-base);
}

.header__action-btn:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

.header__action-btn svg {
  width: 22px;
  height: 22px;
}

.header__cart-count {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: var(--color-primary-700);
  color: #fff;
  font-size: 10px;
  font-weight: var(--weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.header__cart-count:empty,
.header__cart-count[data-count="0"] {
  display: none;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}

.hamburger__line {
  width: 100%;
  height: 2px;
  background: var(--color-neutral-800);
  border-radius: 2px;
  transition: var(--transition-base);
  transform-origin: center;
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Menu ─────────────────────────────────────────────────────────── */

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-overlay);
  pointer-events: none;
}

.mobile-menu.open {
  pointer-events: all;
}

.mobile-menu__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-bg-overlay);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.mobile-menu.open .mobile-menu__overlay {
  opacity: 1;
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 85%;
  max-width: 360px;
  height: 100%;
  background: var(--color-bg-card);
  transform: translateX(-100%);
  transition: transform var(--duration-slow) var(--ease-out);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: flex;
  flex-direction: column;
}

.mobile-menu.open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu__header img {
  height: 36px;
}

.mobile-menu__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-neutral-600);
}

.mobile-menu__search {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-menu__search input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  background: var(--color-neutral-50);
  min-height: 44px;
}

.mobile-menu__links {
  flex: 1;
  padding: var(--space-3) 0;
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-neutral-800);
  transition: var(--transition-color);
  min-height: 48px;
}

.mobile-menu__link:hover {
  color: var(--color-primary-700);
  background: var(--color-primary-50);
}

.mobile-menu__submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
  background: var(--color-neutral-50);
}

.mobile-menu__submenu.open {
  max-height: 500px;
}

.mobile-menu__sublink {
  display: block;
  padding: var(--space-2) var(--space-5) var(--space-2) var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
  transition: var(--transition-color);
  min-height: 40px;
  display: flex;
  align-items: center;
}

.mobile-menu__sublink:hover {
  color: var(--color-primary-700);
}

.mobile-menu__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

.mobile-menu__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-700);
  margin-bottom: var(--space-3);
}

.mobile-menu__social {
  display: flex;
  gap: var(--space-3);
}

.mobile-menu__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  transition: var(--transition-base);
}

.mobile-menu__social a:hover {
  background: var(--color-primary-700);
  color: #fff;
}

/* ── Cart Sidebar ────────────────────────────────────────────────────────── */

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  pointer-events: none;
}

.cart-sidebar.open {
  pointer-events: all;
}

.cart-sidebar__overlay {
  position: absolute;
  inset: 0;
  background: var(--color-bg-overlay);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.cart-sidebar.open .cart-sidebar__overlay {
  opacity: 1;
}

.cart-sidebar__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 90%;
  max-width: 420px;
  height: 100%;
  background: var(--color-bg-card);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open .cart-sidebar__panel {
  transform: translateX(0);
}

.cart-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-light);
}

.cart-sidebar__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

.cart-sidebar__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-neutral-600);
  transition: var(--transition-base);
}

.cart-sidebar__close:hover {
  background: var(--color-neutral-100);
}

.cart-sidebar__items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
}

.cart-sidebar__empty {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--color-text-muted);
}

.cart-sidebar__empty svg {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  opacity: 0.3;
}

.cart-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item__image {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: var(--color-neutral-50);
  object-fit: contain;
  flex-shrink: 0;
  padding: 4px;
}

.cart-item__info {
  flex: 1;
  min-width: 0;
}

.cart-item__name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-item__price {
  font-weight: var(--weight-semibold);
  color: var(--color-primary-700);
  font-size: var(--text-sm);
}

.cart-item__qty {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.cart-item__qty-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  color: var(--color-neutral-600);
  transition: var(--transition-base);
}

.cart-item__qty-btn:hover {
  border-color: var(--color-primary-400);
  color: var(--color-primary-700);
}

.cart-item__qty-num {
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  min-width: 20px;
  text-align: center;
}

.cart-item__remove {
  color: var(--color-neutral-400);
  transition: var(--transition-color);
  align-self: flex-start;
  padding: var(--space-1);
}

.cart-item__remove:hover {
  color: var(--color-error);
}

.cart-sidebar__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-neutral-50);
}

.cart-sidebar__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.cart-sidebar__total-label {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
}

.cart-sidebar__total-amount {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary-700);
}

/* ── Bottom Navigation (Mobile) ──────────────────────────────────────────── */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--bottom-nav-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border-light);
  z-index: var(--z-bottom-nav);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (min-width: 1024px) {
  .bottom-nav {
    display: none;
  }
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-1) var(--space-3);
  color: var(--color-neutral-500);
  font-size: 10px;
  font-family: var(--font-heading);
  font-weight: var(--weight-medium);
  transition: var(--transition-color);
  position: relative;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  min-width: 56px;
}

.bottom-nav__item svg {
  width: 22px;
  height: 22px;
}

.bottom-nav__item.active {
  color: var(--color-primary-700);
}

.bottom-nav__item:hover {
  color: var(--color-primary-700);
}

.bottom-nav__badge {
  position: absolute;
  top: 0;
  right: 10px;
  width: 16px;
  height: 16px;
  background: var(--color-primary-700);
  color: #fff;
  font-size: 9px;
  font-weight: var(--weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.bottom-nav__badge:empty,
.bottom-nav__badge[data-count="0"] {
  display: none;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */

.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: var(--space-12);
}

.footer h5 {
  color: #fff;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer__about p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.7;
}

.footer__link {
  display: block;
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-color);
}

.footer__link:hover {
  color: #fff;
  padding-left: 4px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-8);
  padding: var(--space-4) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-base);
}

.footer__social a:hover {
  background: var(--color-primary-700);
  color: #fff;
}

.footer__social a svg {
  width: 16px;
  height: 16px;
}

/* ── WhatsApp FAB ────────────────────────────────────────────────────────── */

.whatsapp-fab {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--space-4));
  right: var(--space-4);
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
  z-index: var(--z-sticky);
  transition: var(--transition-base);
  text-decoration: none;
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  color: #fff;
}

.whatsapp-fab svg {
  width: 28px;
  height: 28px;
}

@media (min-width: 1024px) {
  .whatsapp-fab {
    bottom: var(--space-8);
    right: var(--space-8);
  }
}

/* ── Scroll to Top ───────────────────────────────────────────────────────── */

.scroll-top {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + var(--space-4));
  right: var(--space-4);
  width: 44px;
  height: 44px;
  background: var(--color-bg-card);
  color: var(--color-neutral-600);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: var(--z-sticky);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-base);
  cursor: pointer;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-primary-700);
  color: #fff;
  border-color: var(--color-primary-700);
}

@media (min-width: 1024px) {
  .scroll-top {
    bottom: var(--space-8);
    right: calc(var(--space-8) + 72px);
  }
}

/* ── Overlay (shared) ────────────────────────────────────────────────────── */

.overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}