/* QLT right-drawer chrome only. Safe to load on Trinity marketing pages. */
:root {
  --phase-green: #8B7CF6;
  --photon-white: #FFFFFF;
  --waveguide-teal: #38BDF8;
  --line: rgba(255, 255, 255, 0.08);
  --radius-sm: 12px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --max: 1200px;
}

.shell { width: min(calc(100% - 2.5rem), var(--max)); margin: 0 auto; }

.site-header__hamburger,
#mobile-nav,
.site-menu,
.platform-hamburger { display: none !important; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
}

.site-header.scrolled {
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

.site-header.scrolled::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(15, 23, 25, 0.85);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--phase-green);
  text-shadow: 0 0 24px rgba(139, 124, 246, 0.4);
}

.brand-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.01em;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  z-index: 201;
  transition: all 0.3s var(--ease-out);
  padding: 0;
  font-size: 0;
  color: transparent;
  overflow: hidden;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 124, 246, 0.2);
}

.menu-toggle::before,
.menu-toggle::after {
  content: '';
  position: absolute;
  left: 12px;
  width: 20px;
  height: 2px;
  background: var(--photon-white);
  border-radius: 2px;
  transition: all 0.35s cubic-bezier(0.77, 0, 0.175, 1);
}

.menu-toggle::before { top: 15px; box-shadow: 0 6px 0 var(--photon-white); }
.menu-toggle::after  { top: 27px; }

.menu-toggle[aria-expanded="true"]::before {
  top: 21px;
  transform: rotate(45deg);
  box-shadow: none;
}

.menu-toggle[aria-expanded="true"]::after {
  top: 21px;
  transform: rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  width: 320px;
  max-width: 85vw;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: 5rem 1rem 2rem;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: rgba(12, 16, 18, 0.92);
  backdrop-filter: blur(32px) saturate(1.4);
  -webkit-backdrop-filter: blur(32px) saturate(1.4);
  border-left: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
}

.site-nav.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.site-nav > a,
.site-nav > .nav-group {
  transform: translateX(20px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.site-nav.open > a,
.site-nav.open > .nav-group {
  transform: translateX(0);
  opacity: 1;
}

.site-nav > a {
  display: block;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-nav > a:hover { color: var(--photon-white); background: rgba(255, 255, 255, 0.06); }
.site-nav > a.active { color: var(--phase-green); background: rgba(139, 124, 246, 0.06); }

.site-nav > a.nav-cta { color: var(--waveguide-teal); }

.site-nav > .nav-group {
  margin: 0.3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.2rem 0;
}

.nav-group-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.55);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}

.nav-group-toggle svg { width: 12px; height: 12px; opacity: 0.4; }
.nav-group-toggle[aria-expanded="true"] { color: var(--waveguide-teal); }
.nav-group-toggle[aria-expanded="true"] svg { transform: rotate(180deg); opacity: 0.7; }

.nav-group-links {
  display: grid;
  grid-template-rows: 0fr;
  margin-left: 0.5rem;
  border-left: 2px solid rgba(56, 189, 248, 0.08);
  transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-group-links.expanded { grid-template-rows: 1fr; }

.nav-group-inner { min-height: 0; overflow: hidden; }

.nav-group-inner > a {
  display: block;
  padding: 0.4rem 0.8rem 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
}

.nav-group-inner > a:hover,
.nav-group-inner > a.active { color: var(--waveguide-teal); background: rgba(56, 189, 248, 0.06); }