/* Four activity disclosures; the native link beside every chevron keeps its destination. */
.nav-item { flex: 0 1 auto; min-width: 0; }
.nav-trigger { display: flex; align-items: center; border-radius: var(--r-pill); }
.site-nav .nav-trigger > a { padding: 11px 8px 11px 15px; white-space: nowrap; }
.nav-toggle { display: grid; place-items: center; flex: none; width: 32px; min-height: 38px; border: 0; border-radius: var(--r-pill); color: var(--ink-2); background: transparent; cursor: pointer; }
.nav-toggle[hidden], .mega-menu[hidden] { display: none; }
.nav-toggle svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; transition: transform .2s; }
.nav-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-toggle:hover, .nav-item.is-open .nav-trigger { color: var(--ink); background: var(--paper-2); }
.nav-item.is-open .nav-trigger { box-shadow: inset 0 0 0 1px var(--rule); }
.nav-trigger > a .gold-lock { flex: none; }
.nav-panel-open { overflow: hidden; }
.nav-panels { position: relative; z-index: 50; }
.mega-menu { position: fixed; top: var(--nav-panel-top,88px); left: var(--gutter); right: var(--gutter); max-width: 1280px; max-height: calc(100dvh - var(--nav-panel-top,88px) - 20px); margin: 0 auto; padding: 26px 28px 30px; overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; border: 1px solid var(--rule); border-radius: 24px; background: var(--card); color: var(--ink); box-shadow: 0 24px 70px -20px rgb(0 0 0 / .4), 0 1px 0 rgb(255 255 255 / .12) inset; animation: nav-open .18s ease-out; }
.mega-menu::before { content: ''; position: absolute; inset: 0 24px auto; height: 2px; background: var(--spectrum); pointer-events: none; }
.mega-heading { display: flex; align-items: center; gap: 20px; padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--rule); }
.mega-heading > div { flex: 1; }
.mega-heading > div > span { color: var(--muted); font-size: 12px; }
.mega-heading h2 { font: 620 25px/1.25 var(--display); margin: 4px 0 0; letter-spacing: -.025em; }
.mega-all { flex: none; color: var(--ink-2); font: 550 13px/1.4 var(--sans); text-underline-offset: 4px; }
.mega-all:hover { color: var(--ink); }
.mega-close { display: grid; place-items: center; flex: none; width: 40px; height: 40px; padding: 10px; border: 1px solid var(--rule); border-radius: 50%; background: var(--paper-2); color: var(--ink); cursor: pointer; }
.mega-close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.mega-columns { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 28px; }
.mega-domain { min-width: 0; }
.mega-domain:not(:first-child) { padding-left: 24px; border-left: 1px solid var(--rule); }
.mega-domain-head { display: flex; flex-direction: column; gap: 7px; color: var(--ink); text-decoration: none; }
.mega-domain-head strong { font: 620 19px/1.2 var(--sans); min-height: 2.4em; letter-spacing: -.025em; }
.mega-domain-head small { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; }
.mega-symbol { display: flex; align-items: center; width: 40px; height: 40px; margin-bottom: 6px; color: var(--ch-rtl); }
.mega-symbol svg { width: 36px; height: 36px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
[data-menu-domain="dv"] .mega-symbol { color: var(--ch-sv); }[data-menu-domain="pd"] .mega-symbol { color: var(--ch-pd); }[data-menu-domain="analog"] .mega-symbol { color: var(--ch-analog); }
.mega-links { padding: 0; margin: 18px -8px 0; list-style: none; }
.mega-links a { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; padding: 10px 8px; border-radius: 8px; color: var(--ink-2); text-decoration: none; font: 520 13px/1.45 var(--sans); }
.mega-links small { flex: none; color: var(--muted); font: 450 11px/1.4 var(--sans); }
.mega-links a:hover, .mega-tool:hover { background: var(--paper-2); color: var(--ink); }
.mega-domain-head:hover strong { color: var(--link); text-decoration: underline; text-underline-offset: 4px; }
.mega-domain-note { margin: 20px 0 0; color: var(--muted); font: 400 12px/1.6 var(--sans); max-width: 32ch; }
.mega-practice { margin-top: 22px; }
.mega-practice p { color: var(--ink); font: 600 12px/1.4 var(--sans); margin: 0; }
.mega-practice .mega-links { margin-top: 3px; }
.mega-practice .mega-links a { padding-block: 7px; }
.mega-tools { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.mega-tool { display: flex; align-items: center; gap: 18px; padding: 22px; color: var(--ink); text-decoration: none; border-radius: 16px; border: 1px solid var(--rule); }
.mega-tool .mega-symbol { flex: none; margin: 0; }
.mega-tool strong { display: block; font: 620 17px/1.3 var(--sans); }
.mega-tool strong .nav-new { vertical-align: middle; }
.mega-tool > span > span { display: block; margin-top: 8px; color: var(--ink-2); font: 400 13px/1.55 var(--sans); }
.mega-tool[data-menu-tool="simulate"] .mega-symbol { color: var(--ch-sv); }.mega-tool[data-menu-tool="spice"] .mega-symbol { color: var(--ch-analog); }.mega-tool[data-menu-tool="timing"] .mega-symbol { color: var(--ch-sva); }
.mega-feature { grid-column: 3; grid-row: 1 / 3; flex-direction: column; align-items: flex-start; justify-content: center; padding: 28px; border-color: var(--rule-strong); background: var(--paper-2); box-shadow: inset 0 2px 0 color-mix(in srgb,var(--ch-pd) 30%,transparent); }
.mega-feature .mega-symbol { width: 58px; height: 58px; color: var(--ch-pd); }.mega-feature .mega-symbol svg { width: 58px; height: 58px; }
.mega-feature strong { font-size: 26px; letter-spacing: -.03em; }
.mega-feature-note { display: block; margin-top: 20px; color: var(--muted); font-size: 11px; }
:is(.mega-menu,.nav-trigger,.domain-subnav) :is(a,button):focus-visible { outline: var(--focus-w) solid var(--focus); outline-offset: 3px; }
@keyframes nav-open { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
@media(max-width:1200px) { .site-header { flex-wrap: wrap; gap: 12px; } .site-nav { order: 3; width: 100%; margin: 0; overflow: visible; } .nav-item { flex: 1; } .nav-trigger { justify-content: center; } .theme-picker { margin-left: auto; } .mega-columns { gap: 18px; } .mega-domain:not(:first-child) { padding-left: 18px; } }
@media(max-width:900px) { .mega-columns { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px; } .mega-domain:nth-child(3) { border-left: 0; padding-left: 0; } .mega-tools { grid-template-columns: repeat(2,minmax(0,1fr)); } .mega-feature { grid-column: 1 / -1; grid-row: auto; flex-direction: row; align-items: center; } }
@media(max-width:760px) {
  .site-header { padding: 12px var(--gutter); }
  .site-nav { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-radius: 22px; gap: 2px; padding: 4px; }
  .nav-trigger { flex-direction: column; border-radius: 16px; height: 100%; }
  .site-nav .nav-trigger > a { position: relative; justify-content: center; text-align: center; flex: 1; flex-direction: row; min-height: 38px; padding: 5px 4px 2px; white-space: normal; font-size: 12px; line-height: 1.25; border-radius: 12px; gap: 3px; }
  .nav-trigger .nav-icon { display: none; }
  .nav-trigger > a .gold-lock { width: 11px; height: 11px; position: absolute; top: -3px; right: 0; }
  .nav-trigger .nav-new { top: -5px; right: -1px; font-size: 7px; position: absolute; padding: 2px 4px; }
  .nav-toggle { width: 100%; min-height: 28px; border-radius: 0 0 14px 14px; }
  .nav-toggle svg { width: 14px; height: 14px; }
  .mega-menu { left: 8px; right: 8px; padding: 20px; border-radius: 22px; max-height: calc(100dvh - var(--nav-panel-top,160px) - 8px); }
  .mega-heading { flex-wrap: wrap; align-items: flex-start; gap: 10px; padding-bottom: 18px; margin-bottom: 20px; }
  .mega-heading > div { flex-basis: calc(100% - 50px); }
  .mega-heading h2 { font-size: 21px; max-width: 16ch; }
  .mega-all { order: 3; font-size: 12px; }
  .mega-close { width: 36px; height: 36px; }
  .mega-columns { grid-template-columns: 1fr; gap: 24px; }
  .mega-domain:not(:first-child) { border-left: 0; border-top: 1px solid var(--rule); padding: 24px 0 0; }
  .mega-domain-head { display: grid; grid-template-columns: 36px 1fr; column-gap: 12px; row-gap: 4px; }
  .mega-domain-head .mega-symbol { grid-row: span 2; width: 36px; height: 36px; margin: 0; }
  .mega-domain-head strong { min-height: 0; font-size: 18px; }
  .mega-links { margin-top: 12px; }
  .mega-links a { padding-block: 12px; font-size: 14px; }
  .mega-domain-note { max-width: none; margin-top: 12px; }
  .mega-tools { grid-template-columns: 1fr; gap: 10px; }
  .mega-tool { padding: 17px 14px; gap: 14px; }
  .mega-tool strong { font-size: 17px; }
  .mega-tool > span > span { margin-top: 5px; font-size: 12px; }
  .mega-feature { grid-column: auto; grid-row: 1; align-items: center; }
  .mega-feature .mega-symbol, .mega-feature .mega-symbol svg { width: 42px; height: 42px; }
  .mega-feature-note { margin-top: 12px; font-size: 10px; }
}
@media(prefers-reduced-motion:reduce) { .mega-menu { animation: none; }.nav-toggle svg { transition: none; } }
/* Atlas icons also appear in the menus: don't inherit the atlas's 60px flex basis. */
.mega-symbol svg { flex: none; max-width: 100%; color: inherit; }
.mega-menu .nav-new { position: static; display: inline-block; padding: 3px 5px; font-size: 10px; }
.mega-symbol svg text { font: 600 16px var(--mono); text-anchor: middle; fill: currentColor; stroke: none; }