/**
 * Mega navigation — public home chrome (loads after home-public.css).
 * Uses existing RATEB :root tokens from home-public where possible.
 */

.ratib-nav-shell,
.ratib-nav-shell__inner {
  overflow: visible;
}

.ratib-mega-nav {
  --mega-surface: rgba(18, 22, 42, 0.97);
  --mega-border: rgba(124, 98, 200, 0.28);
  --mega-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  --mega-radius: var(--r-radius, 14px);
  position: relative;
  width: 100%;
}

/* Public chrome: one horizontal band when possible; flat link subtitles stay off (they bloated header height). */
.ratib-nav-shell .ratib-nav__menu {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  flex: 1;
  min-width: 0;
  flex-wrap: nowrap;
}

.ratib-nav-shell .ratib-mega-nav__flat-desc {
  display: none !important;
}

@media (min-width: 1100px) {
  .ratib-nav-shell .ratib-nav__menu {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    align-content: center;
    justify-content: center;
    column-gap: 0.35rem;
    row-gap: 0;
  }

  .ratib-nav-shell .ratib-nav__menu > .ratib-mega-nav {
    flex: 1 1 auto;
    min-width: 0;
  }

  .ratib-nav-shell .ratib-mega-nav__list {
    gap: 0.15rem 0.25rem;
    justify-content: center;
  }

  .ratib-nav-shell .ratib-mega-nav__trigger {
    padding: 0.34rem 0.62rem;
    font-size: 0.8125rem;
  }

  .ratib-nav-shell .ratib-mega-nav__flat {
    padding: 0.34rem 0.58rem;
    font-size: 0.8125rem;
  }

  .ratib-nav-shell .ratib-mega-nav__signin {
    padding: 0.34rem 0.68rem;
    font-size: 0.8125rem;
  }
}

.ratib-nav__platform-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

@media (min-width: 1100px) {
  .ratib-nav__platform-links {
    row-gap: 0.45rem;
    column-gap: 0.4rem;
    padding-bottom: 0.15rem;
  }
}

.ratib-mega-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  justify-content: center;
  gap: 0.2rem 0.35rem;
}

.ratib-mega-nav__li {
  position: static;
  display: flex;
  align-items: center;
}

/* Panel is absolutely positioned inside .ratib-mega-nav (wide row), not each narrow li,
   so left:50% + translateX(-50%) centers in the viewport band — avoids clipping the first column. */
.ratib-mega-nav__li--mega {
  position: static;
}

@media (min-width: 1100px) {
  .ratib-mega-nav__li--mega.is-open {
    z-index: 61;
  }
}

.ratib-mega-nav__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: rgba(226, 232, 240, 0.95);
  background: rgba(15, 23, 42, 0.45);
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    color 0.2s ease;
}

.ratib-mega-nav__trigger:hover,
.ratib-mega-nav__trigger:focus-visible {
  outline: none;
  border-color: rgba(124, 98, 200, 0.45);
  background: rgba(124, 98, 200, 0.12);
  box-shadow: 0 0 0 1px rgba(124, 98, 200, 0.12);
}

.ratib-mega-nav__li--mega.is-open .ratib-mega-nav__trigger {
  border-color: rgba(124, 98, 200, 0.55);
  background: rgba(124, 98, 200, 0.18);
}

.ratib-mega-nav__chev {
  font-size: 0.55rem;
  opacity: 0.75;
  transition: transform 0.22s ease;
}

.ratib-mega-nav__li--mega.is-open .ratib-mega-nav__chev {
  transform: rotate(180deg);
}

.ratib-mega-nav__flat {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-decoration: none;
  color: rgba(226, 232, 240, 0.92);
  font-size: 0.86rem;
  font-weight: 600;
  background: rgba(15, 23, 42, 0.35);
  transition:
    background 0.18s ease,
    border-color 0.18s ease;
}

.ratib-mega-nav__flat:hover,
.ratib-mega-nav__flat:focus-visible {
  outline: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
}

.ratib-mega-nav__flat-label {
  line-height: 1.2;
}

.ratib-mega-nav__flat-desc {
  display: none;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--r-muted, #8d98aa);
  max-width: 12rem;
}

@media (min-width: 1100px) {
  .ratib-mega-nav__flat-desc {
    display: block;
  }
}

.ratib-mega-nav__signin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(124, 98, 200, 0.55);
  background: linear-gradient(135deg, rgba(124, 98, 200, 0.45), rgba(208, 104, 56, 0.35));
  box-shadow: 0 4px 18px rgba(116, 96, 176, 0.22);
  transition:
    transform 0.15s ease,
    box-shadow 0.2s ease;
}

.ratib-mega-nav__signin:hover,
.ratib-mega-nav__signin:focus-visible {
  outline: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 26px rgba(116, 96, 176, 0.35);
}

.ratib-mega-nav__panel {
  position: absolute;
  left: 50%;
  top: calc(100% + 0.35rem);
  z-index: 60;
  width: min(1120px, calc(100vw - 1.5rem));
  margin-left: 0;
  padding: 0;
  transform: translateX(-50%) translateY(6px);
  pointer-events: none;
  opacity: 0;
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}

@media (prefers-reduced-motion: reduce) {
  .ratib-mega-nav__panel {
    transition: none;
  }
}

.ratib-mega-nav__li--mega.is-open .ratib-mega-nav__panel:not([hidden]) {
  pointer-events: auto;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.ratib-mega-nav__panel[hidden] {
  display: none !important;
}

.ratib-mega-nav__panel-inner {
  margin: 0 auto;
  max-width: var(--r-max, 1540px);
  border-radius: var(--mega-radius);
  border: 1px solid var(--mega-border);
  background: var(--mega-surface);
  backdrop-filter: blur(20px) saturate(1.35);
  box-shadow: var(--mega-shadow);
  padding: 1.25rem 1.35rem 1.35rem;
}

.ratib-mega-nav__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem 1.5rem;
}

.ratib-mega-nav__col-heading {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(148, 163, 184, 0.95);
}

.ratib-mega-nav__cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.ratib-mega-nav__card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.65rem 0.7rem;
  border-radius: var(--r-radius-sm, 10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
  color: inherit;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.ratib-mega-nav__card:hover,
.ratib-mega-nav__card:focus-visible {
  outline: none;
  border-color: rgba(124, 98, 200, 0.4);
  background: rgba(124, 98, 200, 0.1);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
  transform: translateY(-1px);
}

.ratib-mega-nav__card-icon {
  flex-shrink: 0;
  width: 2.35rem;
  height: 2.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(167, 243, 208, 0.95);
  font-size: 1rem;
}

.ratib-mega-nav__card-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.ratib-mega-nav__card-title {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: rgba(248, 250, 252, 0.98);
}

.ratib-mega-nav__card-desc {
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--r-muted, #8d98aa);
}

@media (max-width: 1099px) {
  .ratib-mega-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .ratib-mega-nav__trigger {
    width: 100%;
    justify-content: space-between;
  }

  .ratib-mega-nav__flat {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .ratib-mega-nav__flat-desc {
    display: none;
  }

  .ratib-mega-nav__li--mega {
    flex-direction: column;
    align-items: stretch;
  }

  .ratib-mega-nav__panel {
    position: static;
    padding: 0;
    transform: none;
    transition: none;
  }

  .ratib-mega-nav__li--mega.is-open .ratib-mega-nav__panel:not([hidden]) {
    opacity: 1;
  }

  .ratib-mega-nav__panel-inner {
    margin-top: 0.5rem;
    padding: 0.85rem;
  }

  .ratib-mega-nav__li--signin {
    margin-top: 0.35rem;
  }

  .ratib-mega-nav__signin {
    justify-content: center;
    width: 100%;
  }
}

@media (prefers-color-scheme: light) {
  .ratib-mega-nav__panel-inner {
    --mega-surface: rgba(255, 255, 255, 0.96);
    --mega-border: rgba(15, 23, 42, 0.1);
    background: var(--mega-surface);
    border-color: var(--mega-border);
  }

  .ratib-mega-nav__card-title {
    color: #0f172a;
  }

  .ratib-mega-nav__card-desc {
    color: #475569;
  }

  .ratib-mega-nav__col-heading {
    color: #64748b;
  }

  .ratib-mega-nav__card {
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.08);
  }

  .ratib-mega-nav__card-icon {
    background: rgba(124, 98, 200, 0.12);
    border-color: rgba(124, 98, 200, 0.22);
    color: #5b21b6;
  }
}

/* End of file: keep shell mega row single-line (must beat @media (min-width: 1100px) .ratib-mega-nav__flat-desc { display: block }). */
.ratib-nav-shell .ratib-mega-nav__flat-desc {
  display: none !important;
}