/**
 * BlackRat — Header / Navigation
 */

.br-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--br-z-header);
  min-height: var(--br-header-h);
  height: auto;
  transition:
    background var(--br-dur-card) var(--br-ease),
    border-color var(--br-dur-card) var(--br-ease),
    backdrop-filter var(--br-dur-card);
  border-bottom: 1px solid transparent;
}

.br-header.is-scrolled {
  background: rgba(5, 5, 5, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.br-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--br-header-h);
  width: min(100% - 2rem, var(--br-container-wide));
  margin-inline: auto;
  gap: 1.25rem;
  padding-block: 0.65rem;
}

.br-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  flex-shrink: 0;
  line-height: 0;
  margin-right: 1.75rem;
}

.br-logo__img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.br-logo--footer .br-logo__img {
  height: 52px;
  max-width: 220px;
}

.br-loader__logo {
  display: block;
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  margin-bottom: 0.25rem;
}

.br-logo__mark {
  width: 28px;
  height: 28px;
  background: var(--br-black);
  border: 1px solid rgba(255, 23, 68, 0.4);
  border-radius: 8px;
  display: grid;
  place-items: center;
  position: relative;
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.2);
}

.br-logo__mark::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--br-red);
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(255, 23, 68, 0.8);
}

.br-logo__text {
  font-family: var(--br-font-alt);
  font-weight: 900;
  font-size: 1.125rem;
  letter-spacing: 0.14em;
  color: var(--br-text);
}

.br-logo__text span {
  color: var(--br-red);
}

.br-nav {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 1 1 auto;
  min-width: 0;
  justify-content: center;
}

.br-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.br-nav__item {
  position: relative;
  list-style: none;
}

.br-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.95rem;
  color: var(--br-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--br-radius-sm);
  white-space: nowrap;
  transition:
    color var(--br-dur-micro) var(--br-ease),
    background var(--br-dur-micro) var(--br-ease);
}

.br-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.2rem;
  width: 0;
  height: 1px;
  background: var(--br-red);
  transform: translateX(-50%);
  transition: width var(--br-dur-btn) var(--br-ease);
}

.br-nav__link:hover,
.br-nav__link.is-active,
.br-nav__link[aria-current="page"],
.br-nav__item.is-active > .br-nav__link,
.br-nav__item.is-open > .br-nav__link {
  color: var(--br-red);
  background: rgba(255, 23, 68, 0.06);
}

.br-nav__link:hover::after,
.br-nav__link.is-active::after,
.br-nav__link[aria-current="page"]::after {
  width: calc(100% - 1.7rem);
}

.br-nav__link--parent::after {
  display: none;
}

.br-nav__caret {
  display: inline-flex;
  transition: transform var(--br-dur-btn) var(--br-ease);
  opacity: 0.75;
}

.br-nav__item.is-open > .br-nav__link .br-nav__caret,
.br-nav__item.is-expanded > .br-nav__link .br-nav__caret,
.br-nav__more.is-open .br-nav__caret {
  transform: rotate(180deg);
}

/* Glass dropdown */
.br-dropdown,
.br-nav .sub-menu {
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 0;
  min-width: 220px;
  margin: 0;
  padding: 0.45rem;
  list-style: none;
  border-radius: var(--br-radius-md);
  background: rgba(12, 12, 14, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(255, 23, 68, 0.08);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity 200ms var(--br-ease),
    transform 200ms var(--br-ease),
    visibility 200ms;
  z-index: 120;
}

.br-nav__item:hover > .br-dropdown,
.br-nav__item:hover > .sub-menu,
.br-nav__item:focus-within > .br-dropdown,
.br-nav__item:focus-within > .sub-menu,
.br-nav__item.is-open > .br-dropdown,
.br-nav__item.is-open > .sub-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.br-dropdown__item,
.br-nav .sub-menu > li {
  list-style: none;
  margin: 0;
}

.br-dropdown__link,
.br-nav .sub-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.85rem;
  border-radius: calc(var(--br-radius-sm) - 2px);
  color: var(--br-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    color var(--br-dur-micro) var(--br-ease),
    background var(--br-dur-micro) var(--br-ease);
}

.br-dropdown__link:hover,
.br-dropdown__item.is-active > .br-dropdown__link,
.br-nav .sub-menu a:hover,
.br-nav .sub-menu .current-menu-item > a {
  color: var(--br-text);
  background: rgba(255, 23, 68, 0.1);
}

/* More panel */
.br-nav__more {
  position: relative;
  margin-left: 0.15rem;
}

.br-nav__more-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--br-border);
  border-radius: 999px;
  background: var(--br-glass-1-bg);
  color: var(--br-text-secondary);
  font-family: var(--br-font);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    color var(--br-dur-micro) var(--br-ease),
    border-color var(--br-dur-micro) var(--br-ease),
    background var(--br-dur-micro) var(--br-ease);
}

.br-nav__more-toggle:hover,
.br-nav__more.is-open .br-nav__more-toggle {
  color: var(--br-red);
  border-color: rgba(255, 23, 68, 0.35);
  background: rgba(255, 23, 68, 0.08);
}

.br-nav__more-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  width: min(320px, calc(100vw - 2rem));
  padding: 0.85rem;
  border-radius: var(--br-radius-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition:
    opacity 200ms var(--br-ease),
    transform 200ms var(--br-ease),
    visibility 200ms;
  z-index: 130;
}

.br-nav__more.is-open .br-nav__more-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

@media (hover: hover) and (pointer: fine) {
  .br-nav__more:hover .br-nav__more-panel,
  .br-nav__more:focus-within .br-nav__more-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .br-nav__more:hover .br-nav__more-toggle,
  .br-nav__more:focus-within .br-nav__more-toggle {
    color: var(--br-red);
    border-color: rgba(255, 23, 68, 0.35);
    background: rgba(255, 23, 68, 0.08);
  }

  .br-nav__more:hover .br-nav__caret,
  .br-nav__more:focus-within .br-nav__caret {
    transform: rotate(180deg);
  }
}

.br-nav__more-label {
  margin: 0 0 0.55rem;
  padding: 0 0.35rem;
  font-family: var(--br-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--br-text-secondary);
}

.br-nav__more-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.br-nav__more-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.8rem;
  border-radius: var(--br-radius-sm);
  color: var(--br-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition:
    color var(--br-dur-micro) var(--br-ease),
    background var(--br-dur-micro) var(--br-ease);
}

.br-nav__more-link:hover {
  color: var(--br-text);
  background: rgba(255, 23, 68, 0.1);
}

.br-nav__more-link svg {
  opacity: 0.55;
  flex-shrink: 0;
}

.br-header__actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
  margin-left: auto;
}

.br-header__cta {
  flex-shrink: 0;
}

.br-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: var(--br-glass-2-bg);
  border: 1px solid var(--br-border);
  border-radius: var(--br-radius-sm);
  color: var(--br-text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  margin-left: auto;
}

.br-nav-toggle svg {
  width: 20px;
  height: 20px;
}

.br-nav-toggle__close {
  display: none;
}

.br-header.is-nav-open .br-nav-toggle__close {
  display: inline-flex;
}

.br-header.is-nav-open .br-nav-toggle__open {
  display: none;
}

.br-header__cta-mobile {
  display: none;
}

/* Mega menu legacy support */
.br-mega {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 520px;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 250ms var(--br-ease),
    transform 250ms var(--br-ease),
    visibility 250ms;
  z-index: 100;
}

.br-nav__item:hover .br-mega,
.br-nav__item:focus-within .br-mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.br-mega__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.br-mega__link {
  display: flex;
  gap: 0.75rem;
  padding: 0.875rem;
  border-radius: var(--br-radius-sm);
  text-decoration: none;
  color: var(--br-text);
  border: 1px solid transparent;
  transition: background var(--br-dur-btn), border-color var(--br-dur-btn);
}

.br-mega__link:hover {
  background: rgba(255, 23, 68, 0.06);
  border-color: rgba(255, 23, 68, 0.2);
  color: var(--br-text);
}

.br-mega__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 23, 68, 0.1);
  border: 1px solid rgba(255, 23, 68, 0.2);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--br-red);
}

.br-mega__icon svg {
  width: 16px;
  height: 16px;
}

.br-mega__title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.br-mega__desc {
  font-size: 0.75rem;
  color: var(--br-text-secondary);
  line-height: 1.4;
}

@media (max-width: 1180px) {
  .br-nav__link {
    padding: 0.5rem 0.65rem;
    font-size: 0.8125rem;
  }

  .br-header__inner {
    gap: 0.85rem;
  }
}

@media (max-width: 1024px) {
  .br-nav-toggle {
    display: inline-flex;
    order: 3;
  }

  .br-header__actions {
    order: 2;
    margin-left: 0;
    gap: 0.5rem;
  }

  .br-header__cta {
    display: none;
  }

  .br-header__inner {
    flex-wrap: nowrap;
    gap: 0.75rem;
    padding-block: 0.55rem;
  }

  .br-nav {
    position: fixed;
    top: var(--br-header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 5, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 1.25rem 1.25rem 2rem;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.75rem;
    transform: translateX(100%);
    transition: transform 300ms var(--br-ease);
    overflow-y: auto;
    z-index: 90;
  }

  .br-nav.is-open {
    transform: translateX(0);
  }

  .br-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
  }

  .br-nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 0.95rem 0.35rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--br-border);
    border-radius: 0;
    background: transparent;
  }

  .br-nav__link::after {
    display: none;
  }

  .br-dropdown,
  .br-nav .sub-menu {
    position: static;
    min-width: 0;
    margin: 0 0 0.35rem;
    padding: 0.25rem 0 0.25rem 0.65rem;
    border: 0;
    border-left: 2px solid rgba(255, 23, 68, 0.35);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    display: none;
  }

  .br-nav__item.is-expanded > .br-dropdown,
  .br-nav__item.is-expanded > .sub-menu,
  .br-nav__item.is-open > .br-dropdown,
  .br-nav__item.is-open > .sub-menu {
    display: grid;
    gap: 0.15rem;
  }

  .br-nav__more {
    margin: 0.5rem 0 0;
  }

  .br-nav__more-toggle {
    width: 100%;
    justify-content: space-between;
    border-radius: var(--br-radius-sm);
    padding: 0.95rem 1rem;
  }

  .br-nav__more-panel {
    position: static;
    width: 100%;
    margin-top: 0.5rem;
    transform: none;
    display: none;
  }

  .br-nav__more.is-open .br-nav__more-panel {
    display: block;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .br-nav .br-header__cta-mobile {
    display: block;
    margin-top: 1rem;
  }

  .br-mega {
    position: static;
    transform: none;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    padding: 0.5rem 0 1rem;
    display: none;
  }

  .br-nav__item.is-expanded .br-mega {
    display: block;
  }

  .br-mega__grid {
    grid-template-columns: 1fr;
  }
}

html[data-theme="day"] .br-header.is-scrolled {
  background: rgba(244, 244, 245, 0.86);
  border-bottom-color: rgba(15, 15, 15, 0.08);
}

html[data-theme="day"] .br-dropdown,
html[data-theme="day"] .br-nav .sub-menu {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(15, 15, 15, 0.1);
  box-shadow: 0 18px 40px rgba(15, 15, 15, 0.12);
}

html[data-theme="day"] .br-nav {
  /* mobile drawer inherits below */
}

@media (max-width: 1024px) {
  html[data-theme="day"] .br-nav {
    background: rgba(244, 244, 245, 0.97);
  }
}