:root {
  --nav-ink: #071022;
  --nav-muted: #5e6878;
  --nav-blue: #285cff;
  --nav-line: rgba(7, 16, 34, .12);
  --nav-shadow: 0 22px 60px rgba(7, 16, 34, .12);
}

.site-header {
  position: sticky;
  z-index: 80;
  top: 10px;
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: 10px;
}

.site-header .nav {
  position: relative;
  min-height: 58px;
  padding: 6px 7px 6px 14px;
  display: grid;
  grid-template-columns: 150px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, .96);
  border-radius: 18px;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 10px 28px rgba(7, 16, 34, .065);
  backdrop-filter: blur(18px);
  transform: scale(1.1);
  transform-origin: top center;
  transition: transform .48s cubic-bezier(.16, 1, .3, 1), box-shadow .4s ease, background .4s ease;
}

.site-header.is-compact .nav {
  transform: scale(1.02);
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 16px 38px rgba(7, 16, 34, .1);
}

.site-header.is-compact.is-scrolling-up .nav {
  transform: scale(1.055);
}

.site-header .brand {
  position: relative;
  width: 140px;
  height: 44px;
  display: block;
  overflow: hidden;
}

.site-header .brand img {
  position: absolute;
  width: 132px;
  height: auto;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.site-header .nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(4px, 1vw, 14px);
}

.site-header .nav-link {
  position: relative;
  z-index: 0;
  padding: 8px 10px;
  border: 0;
  border-radius: 10px;
  color: #252b35;
  background: transparent;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0;
  cursor: pointer;
  transition: color .3s ease, transform .35s cubic-bezier(.2, .8, .2, 1), letter-spacing .35s ease;
}

.site-header .nav-link::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  border: 1px solid rgba(40, 92, 255, .1);
  border-radius: inherit;
  opacity: 0;
  transform: scale(.72);
  background: linear-gradient(135deg, rgba(40, 92, 255, .1), rgba(66, 214, 255, .07));
  transition: opacity .3s ease, transform .4s cubic-bezier(.16, 1, .3, 1), box-shadow .4s ease;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus-visible,
.site-header .nav-link[aria-expanded="true"],
.site-header .nav-link[aria-current="page"] {
  color: #1647e8;
  transform: translateY(-2px);
  letter-spacing: .012em;
}

.site-header .nav-link:hover::before,
.site-header .nav-link:focus-visible::before,
.site-header .nav-link[aria-expanded="true"]::before,
.site-header .nav-link[aria-current="page"]::before {
  opacity: 1;
  transform: scale(1);
  box-shadow: 0 9px 22px rgba(40, 92, 255, .1), inset 0 1px 0 rgba(255, 255, 255, .78);
}

.site-header .has-menu {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.site-header .chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid;
  border-bottom: 2px solid;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .4s cubic-bezier(.16, 1, .3, 1);
}

.site-header .has-menu:hover .chevron,
.site-header .has-menu[aria-expanded="true"] .chevron {
  transform: rotate(225deg) translate(-1px, -1px);
}

.site-header .nav-cta {
  min-height: 46px;
  padding: 4px 6px 4px 14px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-radius: 14px;
  color: #fff;
  background: var(--nav-blue);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: .01em;
  box-shadow: 0 12px 28px rgba(40, 92, 255, .24);
  transition: transform .38s cubic-bezier(.16, 1, .3, 1), box-shadow .38s ease, filter .38s ease;
}

.site-header .nav-cta:hover,
.site-header .nav-cta:focus-visible {
  color: #fff;
  transform: scale(1.045);
  filter: brightness(1.04);
  box-shadow: 0 20px 42px rgba(40, 92, 255, .36), 0 0 0 6px rgba(40, 92, 255, .07);
}

.site-header .cta-orb {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--nav-blue);
  background: #fff;
}

.site-header .cta-orb svg { width: 18px; }

.site-header .dropdown {
  position: absolute;
  top: 70px;
  left: 50%;
  width: min(920px, calc(100% - 48px));
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  border: 1px solid #fff;
  border-radius: 24px;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -8px);
  background: rgba(255, 255, 255, .96);
  box-shadow: var(--nav-shadow);
  transition: .22s ease;
}

.site-header .dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.site-header .dropdown a {
  padding: 16px;
  border-radius: 15px;
  color: var(--nav-ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.site-header .dropdown a:hover {
  color: var(--nav-blue);
  background: #eef2ff;
}

.site-header .dropdown small {
  display: block;
  margin-top: 5px;
  color: var(--nav-muted);
  font-size: 12px;
  font-weight: 500;
}

.site-header .menu-toggle,
.site-header .mobile-nav { display: none; }