/* ==========================================================================
   components.css — Header, Footer, Mobile Drawer, Card
   These rules are the Wave-1 standard. Wave-2 pages copy-paste the HTML.
   ========================================================================== */

/* ==========================================================================
   Site Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  width: 100%;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition:
    background-color var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard);
}
.site-header.is-scrolled {
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h-desktop);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: 40px;
}
@media (max-width: 1199px) {
  .site-header__inner { padding-inline: 32px; }
}
@media (max-width: 1023px) {
  .site-header__inner { height: var(--header-h-tablet); padding-inline: 24px; }
}
@media (max-width: 767px) {
  .site-header__inner { height: var(--header-h-mobile); padding-inline: 20px; }
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.site-header__logo img {
  height: 52px;
  width: auto;
}
@media (max-width: 767px) {
  .site-header__logo img { height: 40px; }
}

/* Primary nav (desktop/laptop) */
.primary-nav {
  display: none;
}
@media (min-width: 1024px) {
  .primary-nav { display: block; }
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 32px;
}
@media (max-width: 1199px) {
  .primary-nav__list { gap: 24px; }
}

.primary-nav__item {
  position: relative;
}

.primary-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-nav);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  padding: 8px 4px;
  position: relative;
  transition: color var(--dur-fast) var(--ease-standard);
  background: transparent;
  border: 0;
  font-family: inherit;
  cursor: pointer;
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 2px;
  height: 2px;
  background: var(--color-brand-red);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.primary-nav__link:hover { color: var(--color-brand-red); }
.primary-nav__link:hover::after { transform: scaleX(1); }
.primary-nav__link.is-active { color: var(--color-brand-red); }
.primary-nav__link.is-active::after { transform: scaleX(1); }

.primary-nav__chev {
  width: 14px; height: 14px;
  transition: transform var(--dur-fast) var(--ease-standard);
}

/* Dropdown */
.primary-nav__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translate(-50%, -8px);
  min-width: 200px;
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--dur-fast) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard),
    visibility 0s linear var(--dur-fast);
}
.primary-nav__item:hover > .primary-nav__dropdown,
.primary-nav__item:focus-within > .primary-nav__dropdown,
.primary-nav__item.is-open > .primary-nav__dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
  transition:
    opacity var(--dur-fast) var(--ease-standard),
    transform var(--dur-fast) var(--ease-standard);
}
.primary-nav__item:hover .primary-nav__chev,
.primary-nav__item:focus-within .primary-nav__chev {
  transform: rotate(180deg);
}

.primary-nav__dropdown a {
  display: block;
  padding: 12px 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.primary-nav__dropdown a:hover {
  background: var(--color-bg-subtle);
  color: var(--color-brand-red);
}

/* Lang switcher */
.lang-switcher {
  display: none;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
  font-size: var(--text-nav);
  font-weight: 500;
  letter-spacing: 0.02em;
}
@media (min-width: 1024px) {
  .lang-switcher { display: inline-flex; }
}

.lang-switcher__item {
  position: relative;
  color: var(--color-text-secondary);
  padding: 4px 10px;
  transition: color var(--dur-fast);
}
.lang-switcher__item:hover {
  color: var(--color-brand-red);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.lang-switcher__item[aria-current="true"] {
  color: var(--color-brand-red);
  font-weight: 700;
  cursor: default;
  pointer-events: none;
}
.lang-switcher__sep {
  color: var(--color-text-tertiary);
  user-select: none;
}

/* Hamburger */
.hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.hamburger:hover { background: var(--color-bg-subtle); }
@media (min-width: 1024px) {
  .hamburger { display: none; }
}

/* ==========================================================================
   Mobile Drawer
   ========================================================================== */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay-50);
  opacity: 0;
  visibility: hidden;
  z-index: calc(var(--drawer-z) - 1);
  transition:
    opacity var(--dur-slow) var(--ease-standard),
    visibility 0s linear var(--dur-slow);
}
.drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--dur-slow) var(--ease-standard);
}

.mobile-drawer {
  position: fixed;
  top: 0; right: 0;
  width: min(86vw, 400px);
  height: 100vh;
  height: 100dvh;
  background: #FFFFFF;
  z-index: var(--drawer-z);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-standard);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer__close {
  align-self: flex-end;
  width: 40px;
  height: 40px;
  margin: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
}
.mobile-drawer__close:hover { background: var(--color-bg-subtle); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 0 0 24px;
}

.mobile-nav__item {
  border-top: 1px solid var(--color-divider);
}
.mobile-nav__item:last-of-type { border-bottom: 1px solid var(--color-divider); }

.mobile-nav__link,
.mobile-nav__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-primary);
  background: transparent;
  border: 0;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.mobile-nav__toggle .icon-chev {
  width: 16px; height: 16px;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.mobile-nav__item.is-open .mobile-nav__toggle .icon-chev {
  transform: rotate(180deg);
}

.mobile-nav__sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-base) var(--ease-standard);
  background: var(--color-bg-subtle);
}
.mobile-nav__item.is-open .mobile-nav__sub {
  max-height: 400px;
}
.mobile-nav__sub a {
  display: block;
  padding: 12px 24px 12px 40px;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.mobile-nav__sub a:hover { color: var(--color-brand-red); }

.mobile-drawer__footer {
  margin-top: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.mobile-drawer .lang-switcher {
  display: inline-flex;
}

.mobile-drawer__social {
  display: flex;
  align-items: center;
  gap: 16px;
}
.mobile-drawer__social a {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
  transition: background-color var(--dur-fast);
}
.mobile-drawer__social a:hover { background: var(--color-brand-red-soft); color: var(--color-brand-red); }
.mobile-drawer__social img { width: 20px; height: 20px; }

/* body lock */
body.no-scroll { overflow: hidden; }

/* ==========================================================================
   Site Footer (light theme)
   ========================================================================== */
.site-footer {
  background: #FFFFFF;
  color: var(--color-text-primary);
  padding: 80px 40px 40px;
  border-top: 1px solid var(--color-border);
}
@media (max-width: 767px) {
  .site-footer { padding: 48px 20px 24px; }
}

.site-footer__inner {
  max-width: var(--content-max);
  margin-inline: auto;
}

.site-footer__logo {
  margin-bottom: 48px;
}
.site-footer__logo img {
  height: 52px;
  width: auto;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 1023px) {
  .site-footer__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .site-footer__cols { grid-template-columns: 1fr; gap: 24px; }
}

.site-footer__col h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}
.site-footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.site-footer__col a {
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color var(--dur-fast);
  line-height: 1.75;
}
.site-footer__col a:hover {
  color: var(--color-brand-red);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--color-brand-red);
  text-decoration-thickness: 1px;
}

/* Social row */
.site-footer__social {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.site-footer__social a {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
  transition: background-color var(--dur-fast), color var(--dur-fast);
}
.site-footer__social a:hover {
  background: var(--color-brand-red);
  color: #FFFFFF;
}
.site-footer__social a:hover img { filter: brightness(0) invert(1); }
.site-footer__social img {
  width: 20px; height: 20px;
  transition: filter var(--dur-fast);
}

/* Copyright */
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.site-footer__bottom a {
  color: var(--color-text-secondary);
  transition: color var(--dur-fast);
}
.site-footer__bottom a:hover { color: var(--color-brand-red); }
@media (max-width: 767px) {
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ==========================================================================
   Card (generic)
   ========================================================================== */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition:
    transform var(--dur-base) var(--ease-standard),
    box-shadow var(--dur-base) var(--ease-standard);
}
@media (hover: hover) {
  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
  .card-hover:hover .card__media img {
    transform: scale(1.04);
  }
}

.card__media {
  overflow: hidden;
  background: var(--color-bg-muted);
}
.card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-base) var(--ease-standard);
}
.card__body { padding: 20px 24px 24px; }

/* Aspect ratio helpers */
.aspect-16-9 { aspect-ratio: 16 / 9; }
.aspect-16-10 { aspect-ratio: 16 / 10; }
.aspect-4-3 { aspect-ratio: 4 / 3; }
.aspect-1-1 { aspect-ratio: 1 / 1; }

/* ==========================================================================
   Scroll-reveal (IntersectionObserver target)
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-scroll) var(--ease-standard),
    transform var(--dur-scroll) var(--ease-standard);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}