/* ==========================
   Main Navigation
   ========================== */

:root {
  --nav-bg: rgba(39, 61, 70, 0.70);
  --nav-border: rgba(255, 255, 255, 0.12);
  --nav-link: #ffffff;
  --nav-link-hover: #F9D6FF;
  --nav-max-width: 1400px;
  --nav-height: 72px;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--nav-border);
}

.site-nav-inner {
  max-width: var(--nav-max-width);
  min-height: var(--nav-height);
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-nav-logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  text-decoration: none;
}

.site-nav-logo img {
  display: block;
  max-height: 45px;
  width: auto;
}

.site-nav-menu {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav-menu li {
  margin: 0;
  padding: 0;
}

.site-nav-menu a {
  display: block;
  padding: 12px 14px;
  color: var(--nav-link);
  text-decoration: none;
  font-family: inherit;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-variant: small-caps;
  border-radius: 6px;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.site-nav-menu a:hover,
.site-nav-menu a:focus {
  color: var(--nav-link-hover);
  background: rgba(255, 255, 255, 0.08);
}

.site-nav-menu a[aria-current="page"] {
  color: var(--nav-link-hover);
  background: rgba(255, 255, 255, 0.10);
}

.nav-toggle,
.nav-toggle-label {
  display: none;
}

.site-nav-spacer {
  height: var(--nav-height);
}

/* Mobile */
@media (max-width: 980px) {
  .site-nav-inner {
    min-height: 68px;
    flex-wrap: wrap;
    padding: 10px 16px;
  }

  .nav-toggle-label {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    margin-left: auto;
  }

  .nav-toggle-label span {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .site-nav-menu {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 4px 0;
  }

  .site-nav-menu li {
    width: 100%;
  }

  .site-nav-menu a {
    padding: 12px 10px;
    border-radius: 0;
  }

  .nav-toggle:checked ~ .site-nav-menu {
    display: flex;
  }

  .nav-toggle:checked + .nav-toggle-label span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle:checked + .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle:checked + .nav-toggle-label span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav-spacer {
    height: 68px;
  }
}

.site-nav-menu li {
  position: relative;
}

/* Hide submenu by default */
.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background: rgba(22, 22, 22, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.sub-menu li {
  width: 100%;
}

.sub-menu a {
  display: block;
  padding: 10px 14px;
  white-space: nowrap;
  border-radius: 0;
  font-size: 0.98rem;
}

/* Desktop open on hover or keyboard focus */
.menu-item-has-children:hover > .sub-menu,
.menu-item-has-children:focus-within > .sub-menu {
  display: block;
}

/* Toggle control hidden on desktop */
.nav-sub-toggle,
.nav-sub-toggle-label {
  display: none;
}

@media (max-width: 980px) {
  .menu-item-has-children {
    display: block;
  }

  .menu-item-has-children > a {
    padding-right: 52px;
  }

  .nav-sub-toggle-label {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    width: 46px;
    height: 46px;
    cursor: pointer;
  }

  .nav-sub-toggle-label::before,
  .nav-sub-toggle-label::after {
    content: '';
    position: absolute;
    top: 22px;
    right: 16px;
    width: 12px;
    height: 2px;
    background: #ffffff;
    transition: transform 0.25s ease;
  }

  .nav-sub-toggle-label::after {
    transform: rotate(90deg);
  }

  .nav-sub-toggle:checked + a + .nav-sub-toggle-label::after {
    transform: rotate(0deg);
  }

  .sub-menu {
    position: static;
    min-width: 0;
    display: none;
    margin: 0;
    padding: 4px 0 8px 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: rgba(255, 255, 255, 0.04);
  }

  .sub-menu a {
    padding: 10px 20px;
    white-space: normal;
    font-size: 0.96rem;
  }

  .nav-sub-toggle:checked + a + .nav-sub-toggle-label + .sub-menu {
    display: block;
  }

  /* Prevent desktop hover behavior from interfering */
  .menu-item-has-children:hover > .sub-menu,
  .menu-item-has-children:focus-within > .sub-menu {
    display: none;
  }

  .nav-sub-toggle:checked + a + .nav-sub-toggle-label + .sub-menu {
    display: block;
  }
}