/* ==========================================================================
   Header / Mega Menu / Footer
   ========================================================================== */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  padding-block: 1.4rem;
  transition: background var(--dur-fast) var(--ease), padding var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-solid {
  background: rgba(250, 248, 244, 0.96);
  backdrop-filter: blur(10px);
  padding-block: 0.9rem;
  border-color: var(--stone-line);
}
.site-header.is-solid .site-header__inner { color: var(--ink); }
.site-header:not(.is-solid) { color: var(--paper); }

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand { display: flex; align-items: center; gap: 0.7rem; flex: none; }
.brand img { height: 40px; width: auto; transition: filter var(--dur-fast) var(--ease); }
.site-header:not(.is-solid) .brand img { filter: brightness(0) invert(1); }

.main-nav { display: none; }
@media (min-width: 1080px) {
  .main-nav {
    display: flex;
    align-items: center;
    gap: clamp(1.2rem, 2vw, 2.2rem);
    flex: 1;
    justify-content: center;
  }
  .main-nav ul > li { position: relative; }
  .main-nav ul > li > a {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding-block: 0.5rem;
    position: relative;
  }
  .main-nav ul > li > a::after {
    content: "";
    position: absolute;
    left: 0; right: 100%;
    bottom: 0;
    height: 1px;
    background: currentColor;
    transition: right var(--dur-fast) var(--ease);
  }
  .main-nav ul > li > a:hover::after,
  .main-nav ul > li.is-open > a::after { right: 0; }
  .main-nav ul > li > a svg { width: 10px; height: 10px; transition: transform var(--dur-fast) var(--ease); }
  .main-nav ul > li.is-open > a svg { transform: rotate(180deg); }
}

.header-actions { display: flex; align-items: center; gap: 1.1rem; flex: none; }
.header-actions .btn { display: none; }
@media (min-width: 1080px) { .header-actions .btn { display: inline-flex; } }

.lang-switch { position: relative; }
.lang-switch__current {
  display: flex; align-items: center; gap: 0.4em;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.4em 0.2em;
}
.lang-switch__current svg { width: 9px; height: 9px; }
.lang-switch__list {
  position: absolute; top: calc(100% + 0.6rem); right: 0;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--stone-line);
  min-width: 148px;
  box-shadow: 0 18px 40px rgba(20,18,15,0.14);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
}
.lang-switch:hover .lang-switch__list,
.lang-switch:focus-within .lang-switch__list {
  opacity: 1; visibility: visible; transform: none;
}
.lang-switch__list a {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.7em 1em;
  font-size: 0.82rem;
}
.lang-switch__list a:hover { background: var(--paper-dim); color: var(--gold); }
.lang-switch__list a[aria-current="true"] { color: var(--gold); font-weight: 600; }

.menu-toggle {
  display: inline-flex; flex-direction: column; gap: 5px;
  padding: 0.4rem;
}
@media (min-width: 1080px) { .menu-toggle { display: none; } }
.menu-toggle span { width: 24px; height: 1px; background: currentColor; transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease); }

/* ---- Mega menu panel ---- */
.mega {
  position: absolute;
  top: calc(100% + 1.4rem);
  left: 50%;
  transform: translate(-50%, 10px);
  width: min(920px, 86vw);
  background: var(--paper);
  color: var(--ink-soft);
  border: 1px solid var(--stone-line);
  box-shadow: 0 30px 70px rgba(20,18,15,0.16);
  padding: 2.2rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 2rem;
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), visibility var(--dur-fast);
}
.main-nav ul > li.is-open .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega__intro h4 { font-size: 1.1rem; margin-bottom: 0.6rem; }
.mega__intro p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 1.2rem; }
.mega__thumb { aspect-ratio: 4/3; overflow: hidden; margin-bottom: 1rem; }
.mega__thumb img { width: 100%; height: 100%; object-fit: cover; }
.mega__list a {
  display: block;
  padding: 0.55em 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--stone-line);
}
.mega__list a:hover { color: var(--gold); padding-left: 0.4em; }
.mega__list li:last-child a { border-bottom: none; }
.mega__col-title { font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.9rem; }

/* ---- Mobile drawer ---- */
.mobile-drawer {
  position: fixed; inset: 0;
  z-index: 200;
  background: var(--ink);
  color: var(--paper);
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease);
  overflow-y: auto;
  padding: 1.4rem var(--gutter) 3rem;
}
.mobile-drawer.is-open { transform: translateX(0); }
.mobile-drawer__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 3rem; }
.mobile-drawer__top img { height: 34px; filter: brightness(0) invert(1); }
.mobile-drawer__close { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; display: flex; align-items: center; gap: 0.5em; }
.mobile-drawer nav ul { display: flex; flex-direction: column; }
.mobile-drawer nav > ul > li { border-bottom: 1px solid rgba(250,248,244,0.14); }
.mobile-drawer nav > ul > li > a,
.mobile-drawer nav > ul > li > button {
  display: flex; justify-content: space-between; align-items: center; width: 100%;
  padding: 1.15rem 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
}
.mobile-drawer .sub-list {
  max-height: 0; overflow: hidden;
  transition: max-height var(--dur-fast) var(--ease);
}
.mobile-drawer li.is-open .sub-list { max-height: 600px; }
.mobile-drawer .sub-list a { padding: 0.65rem 0 0.65rem 1rem; font-size: 0.95rem; color: var(--stone); display:block; }
.mobile-drawer__foot { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }

@media (min-width: 1080px) { .mobile-drawer { display: none; } }

/* ---- Footer ---- */
.site-footer { background: var(--ink); color: var(--stone); }
.footer-top {
  padding-block: clamp(3.5rem, 3rem + 3vw, 6rem);
  display: grid;
  gap: 3rem;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
}
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }

.footer-brand img { height: 40px; filter: brightness(0) invert(1); margin-bottom: 1.2rem; }
.footer-brand p { font-size: 0.92rem; color: rgba(250,248,244,0.66); max-width: 30ch; }
.footer-social { display: flex; gap: 0.9rem; margin-top: 1.4rem; }
.footer-social a {
  width: 38px; height: 38px;
  border: 1px solid rgba(250,248,244,0.28);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.footer-social a:hover { background: var(--gold); border-color: var(--gold); }
.footer-social svg { width: 16px; height: 16px; }

.footer-col h5 { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.3rem; font-family: var(--font-body); font-weight: 600; }
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col a, .footer-col address { font-size: 0.92rem; color: rgba(250,248,244,0.78); font-style: normal; line-height: 1.6; }
.footer-col a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(250,248,244,0.14);
  padding-block: 1.6rem;
  display: flex; flex-wrap: wrap; gap: 1rem;
  justify-content: space-between; align-items: center;
  font-size: 0.8rem; color: rgba(250,248,244,0.55);
}
.footer-bottom nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.footer-bottom a:hover { color: var(--gold); }