/* ============================================
   Layout: Container, Grid, Promo, Navbar, Footer
   ============================================ */

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---- Grid Utilities ---- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(3, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid--3,
  .grid--4,
  .grid--5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .grid--2,
  .grid--3,
  .grid--4,
  .grid--5 { grid-template-columns: 1fr; }
}

/* ---- Promo Banner ---- */
.promo-banner {
  background-color: var(--color-promo-bg);
  color: var(--color-text-white);
  text-align: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  position: relative;
  z-index: var(--z-promo);
  height: var(--promo-height);
  display: flex;
  align-items: center;
  justify-content: center;
}

.promo-banner a {
  color: var(--color-badge-yellow);
  text-decoration: underline;
  margin-inline-start: var(--space-xs);
}

.promo-banner__close {
  position: absolute;
  right: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-white);
  font-size: var(--font-size-lg);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
}

.promo-banner__close:hover {
  opacity: 1;
}

.promo-banner.is-hidden {
  display: none;
}

/* ---- Navbar ---- */
.navbar {
  background-color: var(--color-bg-white);
  height: var(--navbar-height);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  transition: box-shadow var(--transition-base);
}

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

.navbar__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-md);
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.navbar__logo {
  justify-self: start;
}

.navbar__actions {
  justify-self: end;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.navbar__logo img,
.navbar__logo svg {
  height: 48px;
  width: auto;
}

.navbar__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  gap: var(--space-xl);
  min-width: 0;
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-dark);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link:hover,
.navbar__link.is-active {
  color: var(--color-primary);
}

.navbar__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar__currency {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-white);
}

.navbar__icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  transition: background-color var(--transition-fast);
  color: var(--color-text-dark);
  position: relative;
}

.navbar__icon-btn:hover {
  background-color: var(--color-primary-light);
}

.navbar__icon-btn svg {
  width: 20px;
  height: 20px;
}

.navbar__cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background-color: var(--color-primary);
  color: var(--color-text-white);
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  width: 16px;
  height: 16px;
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Nav Toggle */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

.navbar__toggle.is-active span:nth-child(2) {
  opacity: 0;
}

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

@media (max-width: 768px) {
  .navbar__inner {
    display: flex;
    justify-content: space-between;
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg-white);
    flex-direction: column;
    align-items: flex-start;
    justify-self: auto;
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: var(--z-dropdown);
  }

  .navbar__nav.is-open {
    transform: translateX(0);
  }

  .navbar__link {
    font-size: var(--font-size-lg);
  }

  .navbar__actions .lang-toggle,
  .navbar__actions .currency-dropdown {
    display: none;
  }

  .navbar__drawer-footer {
    margin-block-start: auto;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
  }

  .navbar__drawer-footer .lang-toggle {
    display: inline-flex;
  }

  .navbar__drawer-footer .currency-dropdown {
    display: block;
  }

  .navbar__backdrop {
    position: fixed;
    inset: 0;
    background-color: var(--color-overlay);
    z-index: calc(var(--z-dropdown) - 1);
    display: none;
  }

  .navbar__backdrop.is-open {
    display: block;
  }
}

@media (min-width: 769px) {
  .navbar__drawer-footer {
    display: none;
  }
  .navbar__backdrop {
    display: none;
  }
}

/* ---- Footer ---- */
.footer {
  background-color: var(--footer-bg);
  color: var(--color-text-white);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  margin-top: var(--space-md);
  max-width: 300px;
  line-height: var(--line-height-relaxed);
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
  color: rgba(255, 255, 255, 0.5);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-text-white);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-circle);
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color var(--transition-fast);
}

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

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  text-align: center;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.footer__payment {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.footer__payment img {
  height: 24px;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Section Spacing ---- */
.section {
  padding-block: var(--space-3xl);
}

.section--sm {
  padding-block: var(--space-2xl);
}

.section--lg {
  padding-block: var(--space-4xl);
}

.section--bg-light {
  background-color: var(--color-bg-light);
}

.section--bg-white {
  background-color: var(--color-bg-white);
}

/* ---- Visibility Utilities ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

@media (max-width: 768px) {
  .hide-mobile { display: none; }
  .show-mobile { display: block; }
}