/**
 * Mega Menu — Château de l'Insolas
 * Editorial lookbook aesthetic. Warm gold + cream + refined typography.
 * Extends Bootstrap 5 dropdown. Desktop only — mobile falls back to the
 * existing accordion treatment defined in header-ui.css.
 */

/* ============================================================
   DESIGN TOKENS — declared on :root so morph rules on .navbar can use them
   ============================================================ */
:root {
  --mm-cream:       #f7f2ea;
  --mm-cream-deep:  #efe7d9;
  --mm-ink:         #1a1714;
  --mm-ink-soft:    #4a423b;
  --mm-muted:       #8a7f72;
  --mm-gold:        #c8a96e;
  --mm-gold-deep:   #a88547;
  --mm-line:        rgba(26, 23, 20, 0.08);
  --mm-shadow:
    0  2px   6px rgba(26, 23, 20, 0.04),
    0 24px  60px rgba(26, 23, 20, 0.14),
    0 40px  80px rgba(26, 23, 20, 0.06);
  --mm-ease:        cubic-bezier(0.22, 1, 0.36, 1);

  --mm-display:     'Gilda Display', Georgia, serif;
  --mm-body:        'Barlow', -apple-system, sans-serif;
}

/* ============================================================
   DROPDOWN OVERRIDE (desktop only)
   ============================================================ */
@media screen and (min-width: 992px) {
  /* Let the <li> host a pinned, centered panel AND kill the vertical
     dead zone between nav link text and the panel:
     - position: static so the fixed .mega-menu positions relative to .navbar
     - height: 100% makes the <li> span the full 80px navbar height
     - display: flex centers the nav link vertically
     This way the cursor never loses :hover while moving from the link
     text down toward the panel — it stays within the <li>'s bounding box
     all the way. */
  .navbar .dropdown-mega {
    position: static;
    height: 100%;
    display: flex;
    align-items: center;
  }

  /* ──────── FULL-WIDTH PANEL ────────
     position: fixed guarantees 100vw. Panel overlaps navbar bottom by
     2px so cursor never finds a dead pixel on the y-axis seam. Show/hide
     is handled via body.mega-active class (JS-driven, with 150ms close
     delay) — no CSS :hover transitions to race against. */
  .navbar .dropdown-menu.mega-menu {
    position: fixed;
    top: 78px;       /* navbar (80px) minus 2px overlap */
    left: 0;
    right: 0;
    width: 100vw;
    max-width: none;
    min-width: 0;
    margin: 0;
    padding: 0;

    background-color: var(--mm-cream);
    background-image:
      radial-gradient(ellipse 900px 400px at 15% 0%, rgba(200,169,110,0.06), transparent 60%),
      radial-gradient(ellipse 700px 300px at 95% 100%, rgba(168,133,71,0.05), transparent 60%);

    border: none;
    border-radius: 0;
    box-shadow:
      0 1px 0 rgba(26,23,20,0.04),
      0 18px 40px rgba(26,23,20,0.10);

    opacity: 0; visibility: hidden;
    transition:
      opacity   0.28s var(--mm-ease),
      visibility 0s linear 0.28s;

    overflow: hidden;
    z-index: 1000;
  }

  /* Scrolled header is 68px tall — adjust menu top offset */
  .nav-scroll.navbar .dropdown-menu.mega-menu {
    top: 66px;       /* 68px - 2px overlap */
  }

  /* Show state — .mega-open class is added directly to the <li> by JS
     (with a 250ms grace period on leave). Native :hover kept as a
     fallback for keyboard and for instant responsiveness. */
  .navbar .dropdown-mega.mega-open > .mega-menu,
  .navbar .dropdown-mega:hover > .mega-menu,
  .navbar .dropdown-mega:focus-within > .mega-menu,
  .navbar .dropdown-mega.show > .mega-menu {
    opacity: 1; visibility: visible;
    transition:
      opacity   0.28s var(--mm-ease),
      visibility 0s;
  }

  /* Thin gold accent line at panel top */
  .navbar .dropdown-menu.mega-menu::before {
    content: '';
    position: absolute;
    top: 2px; left: 0; right: 0;   /* 2px down so it sits right at navbar seam */
    height: 1px;
    background: linear-gradient(90deg,
      transparent 0%,
      rgba(200,169,110,0.35) 10%,
      var(--mm-gold) 50%,
      rgba(200,169,110,0.35) 90%,
      transparent 100%);
    z-index: 2;
    pointer-events: none;
  }

}

/* ============================================================
   INNER LAYOUT — constrained to 1500px, full-width on smaller screens
   ============================================================ */
.mm-inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  min-height: 420px;
  max-width: 1500px;
  margin: 0 auto;
  position: relative;
}

/* Decorative vertical lines at left and right of the inner content
   to visually anchor it when the panel is wider than the content.
   Only visible on ultra-wide viewports. */
@media screen and (min-width: 1560px) {
  .mm-inner::before,
  .mm-inner::after {
    content: '';
    position: absolute;
    top: 1.5rem; bottom: 1.5rem;
    width: 1px;
    background: linear-gradient(to bottom,
      transparent, var(--mm-line) 30%, var(--mm-line) 70%, transparent);
  }
  .mm-inner::before { left: -30px; }
  .mm-inner::after  { right: -30px; }
}

/* ── Left rail: editorial intro ───────────────────────── */
.mm-intro {
  background: var(--mm-cream-deep);
  padding: 2.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}
.mm-intro::after {
  content: '';
  position: absolute;
  top: 2.5rem; bottom: 2rem; right: 0;
  width: 1px;
  background: linear-gradient(to bottom,
    transparent 0%,
    var(--mm-line) 20%,
    var(--mm-line) 80%,
    transparent 100%);
}

.mm-eyebrow {
  font-family: var(--mm-body);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mm-gold);
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.mm-eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--mm-gold);
  flex-shrink: 0;
}

.mm-title {
  font-family: var(--mm-display);
  font-size: 2rem;
  line-height: 1.05;
  font-weight: 400;
  color: var(--mm-ink);
  margin: 0 0 1rem;
  font-style: normal;
  letter-spacing: -0.01em;
}
.mm-title em {
  font-style: italic;
  color: var(--mm-gold-deep);
  font-weight: 400;
}

.mm-lede {
  font-family: var(--mm-body);
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--mm-ink-soft);
  margin: 0 0 1.5rem;
  max-width: 240px;
}

.mm-foot-link {
  font-family: var(--mm-body);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--mm-ink) !important;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--mm-line);
  transition: color 0.25s var(--mm-ease), gap 0.25s var(--mm-ease);
}
.mm-foot-link::after {
  content: '→';
  font-size: 1.1em;
  line-height: 0;
  transition: transform 0.25s var(--mm-ease);
}
.mm-foot-link:hover {
  color: var(--mm-gold-deep) !important;
  gap: 0.85rem;
}
.mm-foot-link:hover::after { transform: translateX(2px); }

/* ── Right rail: card grid ────────────────────────────── */
.mm-grid {
  display: grid;
  gap: 0;
  padding: 0;
}
.mm-grid--6 { grid-template-columns: repeat(6, 1fr); }
.mm-grid--4 { grid-template-columns: repeat(4, 1fr); }
.mm-grid--3 { grid-template-columns: repeat(3, 1fr); }

/* Compact card tuning — 6-column mode */
@media screen and (min-width: 992px) {
  .mm-grid--6 .mm-card { padding: 1rem 0.75rem 0.9rem; }
  .mm-grid--6 .mm-card-img { aspect-ratio: 5 / 6; margin-bottom: 0.65rem; }
  .mm-grid--6 .mm-card-badge { font-size: 0.56rem; padding: 0.22rem 0.45rem; letter-spacing: 0.12em; top: 0.5rem; left: 0.5rem; }
  .mm-grid--6 .mm-card-kicker { font-size: 0.55rem; letter-spacing: 0.16em; margin-bottom: 0.2rem; }
  .mm-grid--6 .mm-card-title { font-size: 0.95rem; padding-right: 0.9rem; margin-bottom: 0.3rem; }
  .mm-grid--6 .mm-card-title::after { font-size: 0.75em; }
  .mm-grid--6 .mm-card-meta { font-size: 0.68rem; line-height: 1.3; }
  .mm-grid--6 .mm-card-price { font-size: 0.78rem; margin-top: 0.25rem; }
}
@media screen and (min-width: 1440px) {
  .mm-grid--6 .mm-card { padding: 1.25rem 1rem 1rem; }
  .mm-grid--6 .mm-card-title { font-size: 1.05rem; }
  .mm-grid--6 .mm-card-meta { font-size: 0.72rem; }
  .mm-grid--6 .mm-card-price { font-size: 0.85rem; }
}

/* ============================================================
   MEGA CARDS
   ============================================================ */
.mm-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem 1.1rem;
  text-decoration: none;
  color: var(--mm-ink);
  background: transparent;
  border-right: 1px solid var(--mm-line);
  transition: background 0.35s var(--mm-ease);
  isolation: isolate;
  overflow: hidden;
}
.mm-card:last-child { border-right: none; }

.mm-card::before {
  /* Subtle warm wash on hover */
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(200, 169, 110, 0.00) 0%,
    rgba(200, 169, 110, 0.06) 100%);
  opacity: 0;
  transition: opacity 0.35s var(--mm-ease);
  z-index: -1;
}
.mm-card:hover::before { opacity: 1; }

/* Image frame */
.mm-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  margin: 0 0 0.85rem;
  background: var(--mm-ink);
  border-radius: 2px;
}
.mm-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.04);
  transition: transform 0.9s var(--mm-ease), filter 0.5s var(--mm-ease);
  filter: saturate(0.96);
}
.mm-card:hover .mm-card-img img {
  transform: scale(1.12);
  filter: saturate(1.05) brightness(1.02);
}
.mm-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(26,23,20,0)   45%,
    rgba(26,23,20,0.35) 100%);
  pointer-events: none;
}

/* Corner badge — capacity */
.mm-card-badge {
  position: absolute;
  top: 0.7rem; left: 0.7rem;
  z-index: 2;
  font-family: var(--mm-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mm-ink);
  background: var(--mm-cream);
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* Title + meta */
.mm-card-kicker {
  font-family: var(--mm-body);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mm-muted);
  display: block;
  margin-bottom: 0.25rem;
}
.mm-card-title {
  font-family: var(--mm-display);
  font-size: 1.15rem;
  line-height: 1.15;
  color: var(--mm-ink);
  margin: 0 0 0.5rem;
  font-weight: 400;
  letter-spacing: 0.005em;
  position: relative;
  display: inline-block;
  padding-right: 1.25rem;
}
.mm-card-title::after {
  /* Arrow that appears on hover */
  content: '→';
  position: absolute;
  right: 0; top: 50%;
  transform: translate(6px, -50%);
  font-size: 0.9em;
  color: var(--mm-gold);
  opacity: 0;
  transition: all 0.3s var(--mm-ease);
}
.mm-card:hover .mm-card-title { color: var(--mm-gold-deep); }
.mm-card:hover .mm-card-title::after { opacity: 1; transform: translate(0, -50%); }

.mm-card-meta {
  font-family: var(--mm-body);
  font-size: 0.75rem;
  color: var(--mm-ink-soft);
  line-height: 1.35;
  margin: 0;
}
.mm-card-meta strong {
  font-weight: 600;
  color: var(--mm-ink);
}
.mm-card-price {
  font-family: var(--mm-display);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--mm-gold-deep);
  display: block;
  margin-top: 0.35rem;
}

/* ============================================================
   MOBILE — keep Bootstrap collapse + accordion pattern
   ============================================================ */
@media screen and (max-width: 991px) {
  .navbar .dropdown-menu.mega-menu {
    /* Strip desktop styling completely on mobile */
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 0 0.4rem 0.75rem !important;
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    overflow: visible !important;
  }
  .navbar .dropdown-menu.mega-menu::before { display: none; }

  .mm-inner {
    display: block;
    min-height: 0;
  }

  /* Hide the editorial intro — too heavy on mobile */
  .mm-intro {
    display: none;
  }

  /* Grid becomes a simple vertical list */
  .mm-grid {
    display: block;
    padding: 0;
  }

  .mm-card {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 0.85rem;
    align-items: center;
    padding: 0.55rem 0 0.55rem 0.85rem;
    border-right: none;
    border-left: 1px solid rgba(200,169,110,0.15);
    border-bottom: none;
  }
  .mm-card::before { display: none; }

  .mm-card-img {
    aspect-ratio: 1 / 1;
    margin: 0;
    width: 56px;
    height: 56px;
    border-radius: 4px;
  }
  .mm-card-img::after { display: none; }
  .mm-card-img img { transform: none; }
  .mm-card:hover .mm-card-img img { transform: none; }

  .mm-card-badge { display: none; }

  .mm-card-kicker {
    font-size: 0.55rem;
    color: rgba(200,169,110,0.7);
    margin-bottom: 0.1rem;
  }
  .mm-card-title {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8) !important;
    padding-right: 0;
    font-family: var(--mm-body);
    font-weight: 500;
  }
  .mm-card-title::after { display: none; }
  .mm-card:hover .mm-card-title { color: var(--hdr-gold) !important; }

  .mm-card-meta { display: none; }
  .mm-card-price { display: none; }

  /* Mobile: show a single "See all" link at the bottom */
  .mm-foot-link-mobile {
    display: block;
    padding: 0.55rem 0 0.55rem 0.85rem;
    margin-top: 0.4rem;
    border-left: 1px solid var(--hdr-gold);
    font-family: var(--mm-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--hdr-gold) !important;
    text-decoration: none;
  }
}

@media screen and (min-width: 992px) {
  .mm-foot-link-mobile { display: none; }
}

/* ============================================================
   HEADER MORPHING — navbar transforms when a mega menu is open
   Uses :has() (Chrome 105+, Safari 15.4+, Firefox 121+).
   Falls back gracefully on older browsers — mega menu still works,
   just without the navbar morph.
   ============================================================ */
@media screen and (min-width: 992px) {
  /* Smooth transitions for all morphing properties */
  .navbar,
  .navbar .logo-img,
  .navbar .navbar-nav .nav-link,
  .navbar .dropdown .nav-link i,
  .navbar .header-cta a,
  .navbar .hdr-burger span {
    transition:
      background 0.38s var(--mm-ease),
      color 0.38s var(--mm-ease),
      filter 0.38s var(--mm-ease),
      border-color 0.38s var(--mm-ease),
      transform 0.38s var(--mm-ease),
      opacity 0.38s var(--mm-ease);
  }

  /* ── Morph state: navbar becomes a solid cream band ── */
  body.mega-active .navbar,
  .navbar:has(.dropdown-mega:hover),
  .navbar:has(.dropdown-mega:focus-within),
  .navbar:has(.dropdown-mega.show) {
    background: var(--mm-cream) !important;
    /* Strip the hero gradient */
  }

  /* Logo: remove the white-inversion filter → reveal natural dark logo */
  body.mega-active .navbar .logo-img,
  .navbar:has(.dropdown-mega:hover) .logo-img,
  .navbar:has(.dropdown-mega:focus-within) .logo-img,
  .navbar:has(.dropdown-mega.show) .logo-img {
    filter: brightness(0.5) sepia(0.5) !important;
  }

  /* Nav links: dark ink, slightly larger tracking */
  body.mega-active .navbar .navbar-nav .nav-link,
  .navbar:has(.dropdown-mega:hover) .navbar-nav .nav-link,
  .navbar:has(.dropdown-mega:focus-within) .navbar-nav .nav-link,
  .navbar:has(.dropdown-mega.show) .navbar-nav .nav-link {
    color: var(--mm-ink-soft) !important;
  }
  body.mega-active .navbar .navbar-nav .nav-link:hover,
  .navbar:has(.dropdown-mega:hover) .navbar-nav .nav-link:hover,
  .navbar:has(.dropdown-mega:focus-within) .navbar-nav .nav-link:hover,
  .navbar:has(.dropdown-mega.show) .navbar-nav .nav-link:hover {
    color: var(--mm-ink) !important;
  }

  /* Chevron: deeper tone */
  body.mega-active .navbar .dropdown .nav-link i,
  .navbar:has(.dropdown-mega:hover) .dropdown .nav-link i,
  .navbar:has(.dropdown-mega:focus-within) .dropdown .nav-link i,
  .navbar:has(.dropdown-mega.show) .dropdown .nav-link i {
    color: var(--mm-muted) !important;
    opacity: 0.7;
  }

  /* CTA button: swap to gold fill on cream background */
  body.mega-active .navbar .header-cta a,
  .navbar:has(.dropdown-mega:hover) .header-cta a,
  .navbar:has(.dropdown-mega:focus-within) .header-cta a,
  .navbar:has(.dropdown-mega.show) .header-cta a {
    background: var(--mm-gold) !important;
    color: #fff !important;
    border-color: var(--mm-gold) !important;
  }

  /* Active mega item: gold color + animated underline indicator */
  .navbar .dropdown-mega > .nav-link {
    position: relative;
  }
  .navbar .dropdown-mega > .nav-link::after {
    content: '';
    position: absolute;
    left: 0.85rem; right: 0.85rem;
    bottom: 0.2rem;
    height: 1px;
    background: var(--mm-gold);
    transform: scaleX(0);
    transform-origin: center;
    opacity: 0;
    transition:
      transform 0.42s var(--mm-ease),
      opacity   0.32s var(--mm-ease);
  }
  .navbar .dropdown-mega:hover > .nav-link,
  .navbar .dropdown-mega:focus-within > .nav-link,
  .navbar .dropdown-mega.show > .nav-link {
    color: var(--mm-gold-deep) !important;
  }
  .navbar .dropdown-mega:hover > .nav-link::after,
  .navbar .dropdown-mega:focus-within > .nav-link::after,
  .navbar .dropdown-mega.show > .nav-link::after {
    transform: scaleX(1);
    opacity: 1;
  }

  /* Chevron rotates when active */
  .navbar .dropdown-mega:hover > .nav-link i,
  .navbar .dropdown-mega:focus-within > .nav-link i,
  .navbar .dropdown-mega.show > .nav-link i {
    transform: rotate(180deg);
    color: var(--mm-gold-deep) !important;
    opacity: 1;
  }

  /* ── Scrolled header + mega menu open → even cleaner ── */
  body.mega-active .nav-scroll.navbar,
  .nav-scroll.navbar:has(.dropdown-mega:hover),
  .nav-scroll.navbar:has(.dropdown-mega:focus-within),
  .nav-scroll.navbar:has(.dropdown-mega.show) {
    background: var(--mm-cream) !important;
    box-shadow: 0 1px 0 rgba(200,169,110,0.3);
  }
}

/* ============================================================
   SMALL-SCREEN DESKTOP (992-1199px) — tighten the grid
   Panel stays full-width, only inner content gets compacted.
   ============================================================ */
@media screen and (min-width: 992px) and (max-width: 1199px) {
  .mm-inner {
    grid-template-columns: 260px 1fr;
    min-height: 360px;
  }
  .mm-intro { padding: 2rem 1.5rem; }
  .mm-title { font-size: 1.65rem; }
  .mm-card { padding: 1rem 0.85rem 0.95rem; }
  .mm-card-title { font-size: 1.05rem; }
}

/* ============================================================
   WIDE DESKTOP (1200px+) — breathing room
   ============================================================ */
@media screen and (min-width: 1200px) {
  .mm-intro { padding: 3rem 2.5rem 2.25rem; }
  .mm-title { font-size: 2.2rem; }
  .mm-card { padding: 1.5rem 1.25rem 1.35rem; }
  .mm-card-title { font-size: 1.25rem; }
}

/* ============================================================
   ULTRA-WIDE (1440px+) — amplify editorial feel
   ============================================================ */
@media screen and (min-width: 1440px) {
  .mm-inner { min-height: 460px; }
  .mm-intro { padding: 3.5rem 3rem 2.5rem; }
  .mm-title { font-size: 2.5rem; }
}

/* ============================================================
   STAGGERED ENTRANCE — cards cascade in on open
   ============================================================ */
@media screen and (min-width: 992px) and (prefers-reduced-motion: no-preference) {
  .navbar .dropdown-mega:hover .mm-card,
  .navbar .dropdown-mega:focus-within .mm-card,
  .navbar .dropdown-mega.show .mm-card {
    animation: mm-rise 0.55s var(--mm-ease) both;
  }
  .navbar .dropdown-mega .mm-card:nth-child(1) { animation-delay: 0.04s; }
  .navbar .dropdown-mega .mm-card:nth-child(2) { animation-delay: 0.08s; }
  .navbar .dropdown-mega .mm-card:nth-child(3) { animation-delay: 0.12s; }
  .navbar .dropdown-mega .mm-card:nth-child(4) { animation-delay: 0.16s; }
  .navbar .dropdown-mega .mm-card:nth-child(5) { animation-delay: 0.20s; }
  .navbar .dropdown-mega .mm-card:nth-child(6) { animation-delay: 0.24s; }

  .navbar .dropdown-mega:hover .mm-intro,
  .navbar .dropdown-mega:focus-within .mm-intro,
  .navbar .dropdown-mega.show .mm-intro {
    animation: mm-slide 0.55s var(--mm-ease) both;
  }

  @keyframes mm-rise {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  @keyframes mm-slide {
    from { opacity: 0; transform: translateX(-12px); }
    to   { opacity: 1; transform: translateX(0); }
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .mm-card-img img,
  .navbar .dropdown-menu.mega-menu {
    transition: none !important;
  }
}

/* ============================================================
   FOCUS VISIBILITY (a11y)
   ============================================================ */
.mm-card:focus-visible,
.mm-foot-link:focus-visible {
  outline: 2px solid var(--mm-gold);
  outline-offset: -2px;
}

/* ============================================================
   SCROLLED HEADER VARIANT — slightly lighter shadow on white bg
   ============================================================ */
.nav-scroll .navbar .dropdown-menu.mega-menu {
  box-shadow:
    0  2px   6px rgba(26, 23, 20, 0.04),
    0 16px  40px rgba(26, 23, 20, 0.10);
}