/* Sticky top nav — secondary pages (docs, specification, …) */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background .3s, backdrop-filter .3s, box-shadow .3s, border-color .3s;
}

.site-nav.scrolled {
  background: rgba(7, 9, 15, .82);
  backdrop-filter: blur(16px) saturate(1.6);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border-bottom-color: #1D2843;
  box-shadow: 0 1px 0 rgba(29, 40, 67, .5), 0 4px 24px rgba(0, 0, 0, .25);
}

.site-nav__bar {
  max-width: 80rem;
  margin: 0 auto;
  padding: .875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1rem;
  container-type: inline-size;
  container-name: site-nav-bar;
}

.site-nav__brand {
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1 1 auto;
  color: #E8EEF8;
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
}

.site-nav__brand:hover { text-decoration: none; }

.site-nav__brand img {
  flex-shrink: 0;
  display: block;
  width: 2.25rem;
  height: 2.25rem;
}

.site-nav__brand-text {
  display: inline-block;
  margin-left: .75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 1.05rem;
  letter-spacing: -.01em;
  transition: font-size .25s ease;
}

.site-nav__brand-full { display: inline; }

.site-nav__brand-short {
  display: none;
  letter-spacing: 0;
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-size: .875rem;
}

.site-nav__link {
  position: relative;
  color: #A9B4C7;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: color .25s;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: #E8EEF8;
  text-decoration: none;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #48E1A7, #8AB4FF);
  border-radius: 1px;
  transition: width .3s cubic-bezier(.16, 1, .3, 1);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  width: 100%;
}

.preorder-btn--nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: #ffea00;
  color: #111 !important;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .28);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .2s ease, transform .2s ease;
}

.preorder-btn--nav:hover {
  background: #fff36a;
  text-decoration: none;
  transform: translateY(-1px);
}

.preorder-btn--nav .preorder-btn__price {
  background: #111;
  color: #ffea00;
  padding: 2px 6px;
  border-radius: 3px;
}

.site-nav__menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid #1D2843;
  border-radius: 6px;
  background: rgba(13, 18, 32, .6);
  color: #E8EEF8;
  cursor: pointer;
  flex-shrink: 0;
}

.site-nav__menu-btn:hover { background: rgba(29, 40, 67, .55); }

.site-nav__menu-btn:focus-visible {
  outline: 2px solid #48E1A7;
  outline-offset: 2px;
}

.site-nav__menu-icon {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: background .2s ease;
}

.site-nav__menu-icon::before,
.site-nav__menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform .2s ease, top .2s ease;
}

.site-nav__menu-icon::before { top: -6px; }
.site-nav__menu-icon::after { top: 6px; }

.site-nav.menu-open .site-nav__menu-icon { background: transparent; }

.site-nav.menu-open .site-nav__menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.site-nav.menu-open .site-nav__menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.site-nav__drawer {
  display: none;
  border-top: 1px solid #1D2843;
  background: rgba(7, 9, 15, .96);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
}

.site-nav.menu-open .site-nav__drawer {
  display: block;
}

.site-nav__drawer-inner {
  max-width: 80rem;
  margin: 0 auto;
  padding: .5rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.site-nav__drawer .site-nav__link {
  display: block;
  padding: .7rem 0;
  font-size: .95rem;
}

.site-nav__drawer .site-nav__link::after { display: none; }

/* Narrow bar: short brand + hamburger (container query, same idea as index) */
@container site-nav-bar (max-width: 52rem) {
  .site-nav__brand-full { display: none; }
  .site-nav__brand-short { display: inline; }
  .site-nav__brand-text {
    margin-left: .5rem;
    font-size: clamp(.8125rem, 3.5cqi, .9375rem);
  }
}

@container site-nav-bar (max-width: 40rem) {
  .site-nav__links--desktop { display: none; }
  .site-nav__menu-btn { display: inline-flex; }
}

@media (min-width: 768px) {
  .site-nav__bar { padding: 1rem 1.5rem; }
}

@media (max-width: 767px) {
  .site-nav__bar { padding: .75rem 1rem; }
}