/* ============================================================
   YATS SAINT-TROPEZ — Chrome: top nav, mega-menu, footer.
   ============================================================ */

/* ---- Top nav ------------------------------------------------------------ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              backdrop-filter var(--dur) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(6, 24, 47, 0.86);
  backdrop-filter: blur(14px) saturate(120%);
  border-bottom-color: var(--rule-paper);
}
.nav.menu-open {
  background: var(--deep);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--rule-paper);
}

.nav__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* wordmark */
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand__mark {
  font-family: var(--display);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--paper);
}
.brand__sub {
  font-family: var(--body);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--brass);
  margin-top: 0.4em;
  padding-left: 0.12em;
}

/* primary links */
.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 2.1rem);
}
.nav__link {
  font-family: var(--body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--paper);
  white-space: nowrap;
  padding: 0.4em 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -0.1em;
  width: 100%; height: 1px;
  background: var(--brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}
.nav__link:hover::after,
.nav__item.open .nav__link::after { transform: scaleX(1); }
.nav__link .caret {
  width: 0.5em; height: 0.5em;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur-fast) var(--ease);
  opacity: 0.7;
}
.nav__item.open .nav__link .caret { transform: rotate(-135deg) translateY(-1px); }

/* right cluster */
.nav__right { display: flex; align-items: center; gap: var(--space-3); }

.lang {
  display: inline-flex;
  align-items: center;
  font-family: var(--body);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.lang button, .lang a {
  color: var(--paper-dim);
  padding: 0.3em 0.55em;
  transition: color var(--dur-fast) var(--ease);
}
.lang button[aria-pressed="true"], .lang a[aria-current="page"] { color: var(--brass); }
.lang button:hover, .lang a:hover { color: var(--paper); }
.lang__sep { color: var(--rule-paper); }

.nav__cta { padding: 0.85em 1.5em; font-size: 0.72rem; }

/* burger */
.burger {
  display: none;
  width: 30px; height: 18px;
  position: relative;
}
.burger span {
  position: absolute; left: 0;
  width: 100%; height: 1.5px;
  background: var(--paper);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
}
.burger span:nth-child(1) { top: 0; }
.burger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.burger span:nth-child(3) { bottom: 0; }
body.drawer-open .burger span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
body.drawer-open .burger span:nth-child(2) { opacity: 0; }
body.drawer-open .burger span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ---- Mega-menu ---------------------------------------------------------- */
.mega {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--deep);
  border-bottom: 1px solid var(--rule-paper);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
              visibility var(--dur-fast);
}
.mega.open { opacity: 1; visibility: visible; transform: none; }
.mega__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-5) var(--gutter);
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: var(--space-5);
}
.mega__feature .eyebrow { margin-bottom: var(--space-2); }
.mega__feature h3 {
  font-size: var(--fs-h3);
  font-weight: 400;
  margin-bottom: var(--space-2);
}
.mega__feature p { color: var(--paper-dim); font-size: var(--fs-small); max-width: 34ch; }
.mega__cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-5);
  align-content: start;
}
.mega__col-title {
  font-family: var(--body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--paper-dim);
  grid-column: 1 / -1;
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--rule-paper);
  margin-bottom: var(--space-1);
}
.mega__link {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
  padding: 0.6em 0;
}
.mega__link .t {
  font-family: var(--display);
  font-size: 1.32rem;
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease);
}
.mega__link .d { font-size: 0.78rem; color: var(--paper-dim); }
.mega__link:hover .t { color: var(--brass-bright); }

/* ---- Mobile drawer ------------------------------------------------------ */
.drawer {
  position: fixed;
  inset: 0;
  background: var(--deep);
  z-index: 998;
  padding: calc(var(--nav-h) + var(--space-4)) var(--gutter) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  overflow-y: auto;
  transform: translateY(-100%);
  transition: transform var(--dur) var(--ease);
}
body.drawer-open .drawer { transform: none; }
.drawer a {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 500;
  padding: 0.45em 0;
  border-bottom: 1px solid var(--rule-paper);
}
.drawer a .sm { font-family: var(--body); font-size: 0.8rem; color: var(--paper-dim); display:block; }
.drawer__cta { margin-top: var(--space-4); }

/* ---- Footer ------------------------------------------------------------- */
.footer {
  background: var(--navy);
  padding-block: var(--space-6) var(--space-4);
  border-top: 1px solid var(--rule-paper);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-5) var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule-paper);
}
.footer__brand .brand__mark { font-size: 2rem; }
.footer__brand p {
  color: var(--paper-dim);
  font-size: var(--fs-small);
  max-width: 30ch;
  margin-top: var(--space-2);
}
.footer__col h4 {
  font-family: var(--body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: var(--space-2);
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.7em; }
.footer__col a {
  font-size: var(--fs-small);
  color: var(--paper-dim);
  transition: color var(--dur-fast) var(--ease);
}
.footer__col a:hover { color: var(--paper); }
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  flex-wrap: wrap;
}
.footer__bottom p { font-size: 0.78rem; color: var(--paper-dim); }
.footer__bottom .brass { color: var(--brass); }

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 1180px) {
  .nav__menu, .nav__cta { display: none; }
  .lang { display: inline-flex; margin-right: 0.4rem; }
  .burger { display: block; }
  .mega { display: none; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .footer__top { grid-template-columns: 1fr; gap: var(--space-4); }
}