/* ==========================================================================
   Components - Header, Navigation, Cards, Footer
   ========================================================================== */

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
  position: relative;
  height: var(--header-height);
  background-color: var(--color-bg-primary);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  position: relative;
  padding-top: 40px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-sm) + 0.25rem);
}

.logo-squares {
  display: grid;
  grid-template-columns: repeat(2, 14px);
  grid-template-rows: repeat(2, 14px);
  gap: 2px;
}

.logo-square {
  width: 14px;
  height: 14px;
}

.logo-square--blue { background-color: var(--logo-blue); }
.logo-square--green { background-color: var(--logo-green); }
.logo-square--yellow { background-color: var(--logo-yellow); }
.logo-square--red { background-color: var(--logo-red); }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: var(--fs-brand);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-family: var(--font-heading);
  font-size: var(--fs-tagline);
  font-weight: 300;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

/* Navigation */
.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-md) + 1.5rem);
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: var(--fs-nav);
  font-weight: 300;
  letter-spacing: 0.03em;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
  color: var(--color-text-secondary);
}

.nav-link:hover {
  color: var(--color-text-secondary);
}

.nav-link.active {
  font-weight: 600;
}

/* Dropdown */
.nav-link--dropdown {
  display: flex;
  align-items: center;
  gap: 0.35em;
}

.nav-link--dropdown::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link--dropdown::after {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 100px;
  background-color: transparent;
  border: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
  padding: 0.25rem 0;
  text-align: center;
}

.nav-item:hover .dropdown-menu,
.dropdown-menu:hover,
.dropdown-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.dropdown-item {
  display: block;
  padding: 0.3rem 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  text-align: center;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.dropdown-item:hover {
  color: var(--color-text-primary);
  background-color: transparent;
}

/* External link indicator */
.nav-link--external::after {
  content: ' \2197';
  font-size: 0.8em;
}

/* ==========================================================================
   PRODUCT CARDS
   ========================================================================== */

.product-card {
  transition: transform var(--transition-fast);
}

.product-card:hover {
  transform: scale(1.02);
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .card-image {
  transform: scale(1.05);
}

/* Card Label */
.card-label {
  position: absolute;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-heading);
  font-size: var(--fs-card-label);
  font-weight: 300;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* Label positions and colors */
.product-card:nth-of-type(1) .card-label {
  top: 0;
  right: -20px;
  background-color: var(--label-green);
}

.product-card:nth-of-type(2) .card-label {
  bottom: 40px;
  left: 100px;
  background-color: var(--label-blue);
}

.product-card:nth-of-type(3) .card-label {
  top: 50%;
  left: 20px;
  transform: translateY(-50%);
  background-color: var(--label-yellow);
  color: #333;
}

.product-card:nth-of-type(4) .card-label {
  bottom: 60px;
  left: 20px;
  background-color: var(--label-red);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  padding: var(--spacing-md) 0;
  position: relative;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  gap: var(--spacing-md);
}

/* Footer diagonal lines (two parallel like original) */
.footer-diagonals {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  margin-right: var(--spacing-md);
}

.footer-line {
  width: 1px;
  background-color: var(--color-text-secondary);
  transform: rotate(20deg);
  opacity: 0.5;
}

.footer-line:nth-child(1) {
  height: 50px;
}

.footer-line:nth-child(2) {
  height: 35px;
}

/* Footer email */
.footer-email {
  font-family: var(--font-body);
  font-size: var(--fs-footer);
  color: var(--color-text-secondary);
}

.footer-email a:hover {
  color: var(--color-text-primary);
}

/* Social Icons */
.social-icons {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  transition: opacity var(--transition-fast);
}

.social-link:hover {
  opacity: 0.7;
}

.social-icon {
  width: 18px;
  height: 18px;
  fill: var(--color-text-primary);
}

/* Copyright */
.footer-copyright {
  font-size: var(--fs-footer);
  color: var(--color-text-secondary);
  text-align: right;
}

.footer-copyright a {
  text-decoration: underline;
}

.footer-copyright a:hover {
  color: var(--color-text-primary);
}

/* ==========================================================================
   Mobile Responsive (< 768px)
   ========================================================================== */

@media (max-width: 768px) {
  /* Header */
  .header-inner {
    padding: 0 0.5rem;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .brand-tagline {
    font-size: 0.65rem;
  }

  .logo-squares {
    grid-template-columns: repeat(2, 10px);
    grid-template-rows: repeat(2, 10px);
  }

  .logo-square {
    width: 10px;
    height: 10px;
  }

  .nav-list {
    gap: 0.75rem;
  }

  .nav-link {
    font-size: 0.75rem;
  }

  /* Card Labels - unified positioning */
  .card-label {
    top: 1rem !important;
    left: 1rem !important;
    right: auto !important;
    bottom: auto !important;
    transform: none !important;
    font-size: 1.25rem;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-diagonals {
    display: none;
  }

  .footer-copyright {
    text-align: center;
  }
}

/* ==========================================================================
   LANGUAGE SWITCHER
   ========================================================================== */

.nav-item--lang {
  margin-left: 0.5rem;
}

.lang-switcher-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lang-current {
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.lang-dropdown {
  min-width: 90px;
}

.lang-option {
  display: block;
  padding: 0.3rem 0;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  text-align: center;
  letter-spacing: 0.03em;
}

.lang-option:hover {
  color: var(--color-text-primary);
}

.lang-option.is-active {
  color: var(--color-text-primary);
  font-weight: 500;
  opacity: 0.6;
  pointer-events: none;
}