/* SILS site chrome: global nav and footer. Shared by every page. SILS Design System v2. */
:root {
  --ch-ink: #1A1A1C; --ch-deep: #0D0D0D; --ch-fg: #FFFFFF; --ch-fg2: #C4C4C4; --ch-fg3: #9A9A9A;
  --ch-rule: #2F2F2F; --ch-seal: #9E3E3F; --ch-seal-hover: #6E2A2B; --ch-seal-hi: #E07A7C; --ch-tech: #1E96FC;
  --ch-ok: #3DD68C; --ch-warn: #FFB020;
  --ch-display: 'Funnel Display', 'Helvetica Neue', Arial, sans-serif;
  --ch-body: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --ch-mono: 'Martian Mono', 'JetBrains Mono', ui-monospace, monospace;
  --ch-gut: clamp(16px, 4vw, 56px);
}
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ch-seal); color: #fff; padding: 8px 12px; border-radius: 4px; font-family: var(--ch-body); }
.skip:focus { left: 16px; }

.gnav { position: fixed; inset: 0 0 auto 0; z-index: 60; padding: calc(env(safe-area-inset-top, 0px) + 16px) var(--ch-gut) 16px; display: flex; align-items: center; gap: 28px; border-bottom: 1px solid transparent; transition: background .32s cubic-bezier(.2,0,0,1), border-color .32s cubic-bezier(.2,0,0,1), padding .32s cubic-bezier(.2,0,0,1); font-family: var(--ch-body); }
.gnav { background: var(--ch-deep); border-bottom-color: var(--ch-rule); }
.gnav.solid, .gnav.open { background: var(--ch-deep); border-bottom-color: var(--ch-rule); padding-block: calc(env(safe-area-inset-top, 0px) + 10px) 10px; }
.gnav .gbrand { color: var(--ch-fg); flex: none; display: inline-flex; text-decoration: none; }
.gnav .gbrand svg { height: 24px; width: auto; display: block; }
.gnav .lg-dot { fill: var(--ch-seal-hi); }
.gnav .gbrand { align-items: center; gap: 14px; }
.gexp { display: flex; flex-direction: column; justify-content: center; padding-left: 14px; border-left: 1px solid #3D3D3D; font: 500 11.5px/1.3 var(--ch-body); letter-spacing: .01em; color: var(--ch-fg2); white-space: nowrap; }
.gexp b { font-weight: 600; color: var(--ch-fg); }
@media (min-width: 1100px) and (max-width: 1279px) { .gnav { gap: 20px; } .gnav-links { gap: 18px; } .gexp { font-size: 10.5px; padding-left: 12px; } .gnav .gbrand { gap: 12px; } }
@media (max-width: 599px) { .gexp { display: none; } }
.gnav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.gnav-links a { font: 400 11px/1 var(--ch-mono); font-variation-settings: "wdth" 87.5; letter-spacing: .1em; text-transform: uppercase; color: var(--ch-fg2); padding: 8px 0; text-decoration: none; }
.gnav-links a:hover { color: var(--ch-fg); text-decoration: none; }
.gnav-links a[aria-current="page"] { color: var(--ch-fg); box-shadow: inset 0 -1px 0 var(--ch-seal-hi); }
.gnav-cta { display: inline-flex; align-items: center; min-height: 38px; padding: 0 16px; border-radius: 999px; background: var(--ch-seal); color: #fff; font: 500 13px/1 var(--ch-body); text-decoration: none; white-space: nowrap; transition: background .2s cubic-bezier(.2,0,0,1); }
.gnav-cta:hover { background: var(--ch-seal-hover); text-decoration: none; }
.gnav-menu { display: none; width: 40px; height: 40px; border: 1px solid #3D3D3D; border-radius: 4px; background: transparent; color: var(--ch-fg); cursor: pointer; place-items: center; }
.gnav-menu svg { width: 18px; height: 18px; }
.gnav-panel { display: none; }
@media (max-width: 1099px) {
  .gnav-links { display: none; }
  .gnav-cta { margin-left: auto; }
  .gnav-menu { display: inline-grid; }
  .gnav.open .gnav-panel { display: grid; position: absolute; left: 0; right: 0; top: 100%; background: rgba(13,13,13,.97); border-bottom: 1px solid var(--ch-rule); padding: 8px var(--ch-gut) 20px; }
  .gnav-panel a { font: 300 28px/1.2 var(--ch-display); letter-spacing: -.02em; color: var(--ch-fg); padding: 12px 0; border-bottom: 1px solid var(--ch-rule); text-decoration: none; }
  .gnav-panel a[aria-current="page"] { color: var(--ch-seal-hi); }
}
@media (max-width: 420px) { .gnav-cta { padding: 0 12px; font-size: 12px; } }

.gfoot { background: var(--ch-deep); border-top: 1px solid var(--ch-rule); padding-block: 64px 40px; color: var(--ch-fg3); font: 400 14px/1.6 var(--ch-body); }
.gfoot-in { max-width: 1520px; margin-inline: auto; padding-inline: var(--ch-gut); }
.gfoot-top { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--ch-rule); }
.gfoot-brand { color: var(--ch-fg); display: grid; gap: 18px; align-content: start; }
.gfoot-brand svg { width: min(300px, 70vw); height: auto; display: block; }
.gfoot-brand .lg-dot { fill: var(--ch-seal-hi); }
.gfoot-exp { font: 600 11.5px/1.7 var(--ch-body); letter-spacing: .16em; text-transform: uppercase; color: var(--ch-fg2); max-width: 34ch; }
.gfoot-social { display: flex; gap: 18px; }
.gfoot-social span { font: 400 10.5px/1 var(--ch-mono); font-variation-settings: "wdth" 87.5; letter-spacing: .1em; text-transform: uppercase; color: var(--ch-fg2); border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: 6px 10px; }
.gfoot h4 { margin: 0 0 14px; font: 400 11px/1.4 var(--ch-mono); font-variation-settings: "wdth" 87.5; letter-spacing: .1em; text-transform: uppercase; color: var(--ch-fg2); }
.gfoot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.gfoot a { color: var(--ch-fg3); text-decoration: none; }
.gfoot a:hover { color: var(--ch-fg); }
.gfoot-legal { margin-top: 32px; display: grid; gap: 12px; font-size: 12.5px; line-height: 1.65; max-width: 120ch; }
.gfoot-keys { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.gst { font: 400 11px/1 var(--ch-mono); font-variation-settings: "wdth" 87.5; letter-spacing: .06em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 8px; }
.gst::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.gst.ok { color: var(--ch-ok); } .gst.dev { color: var(--ch-warn); } .gst.spec { color: var(--ch-tech); } .gst.plan { color: var(--ch-fg3); } .gst.plan::before { background: none; box-shadow: inset 0 0 0 1.5px currentColor; }
@media (max-width: 860px) { .gfoot-top { grid-template-columns: repeat(2, minmax(0, 1fr)); } .gfoot-brand { grid-column: 1 / -1; } }
@media (max-width: 420px) { .gfoot-top { grid-template-columns: minmax(0, 1fr); } }

/* Grouped nav: one dropdown keeps the bar to five items */
.gnav-group { position: relative; display: flex; }
.gnav-gbtn { display: inline-flex; align-items: center; gap: 6px; background: none; border: 0; cursor: pointer; font: 400 11px/1 var(--ch-mono); font-variation-settings: "wdth" 87.5; letter-spacing: .1em; text-transform: uppercase; color: var(--ch-fg2); padding: 8px 0; }
.gnav-gbtn svg { width: 10px; height: 10px; transition: transform .2s cubic-bezier(.2,0,0,1); }
.gnav-gbtn:hover, .gnav-group.open .gnav-gbtn { color: var(--ch-fg); }
.gnav-group.on .gnav-gbtn { color: var(--ch-fg); box-shadow: inset 0 -1px 0 var(--ch-seal-hi); }
.gnav-group.open .gnav-gbtn svg { transform: rotate(180deg); }
.gnav-drop { display: none; position: absolute; top: calc(100% + 16px); left: -18px; width: 320px; padding: 8px; background: var(--ch-deep); border: 1px solid var(--ch-rule); border-radius: 10px; box-shadow: 0 24px 60px -20px rgba(0,0,0,.8); }
.gnav-drop::before { content: ""; position: absolute; left: 0; right: 0; top: -18px; height: 18px; }
.gnav-group.open .gnav-drop { display: grid; }
@media (hover: hover) { .gnav-group:hover .gnav-drop { display: grid; } }
.gnav-links .gnav-drop a { display: grid; gap: 3px; padding: 10px 12px; border-radius: 6px; font: 400 13.5px/1.35 var(--ch-body); letter-spacing: 0; text-transform: none; color: var(--ch-fg2); }
.gnav-links .gnav-drop a b { font-weight: 600; color: var(--ch-fg); }
.gnav-links .gnav-drop a span { font-size: 12.5px; color: var(--ch-fg3); }
.gnav-links .gnav-drop a:hover, .gnav-links .gnav-drop a:focus-visible { background: rgba(255,255,255,.05); }
.gnav-links .gnav-drop a[aria-current="page"] { box-shadow: inset 2px 0 0 var(--ch-seal-hi); }
.gnav-plabel { display: none; }
@media (max-width: 1099px) {
  .gnav-plabel { display: block; margin: 16px 0 2px; font: 400 11px/1 var(--ch-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ch-fg3); }
  .gnav-panel a.sub { font-size: 22px; padding: 10px 0 10px 14px; }
}

/* Hero alignment: on desktop the animated heroes center the text block; the diagram shares its center line */
@media (min-width: 901px) { .page-hero.anim { align-items: center; padding-block: calc(env(safe-area-inset-top, 0px) + 112px) clamp(48px, 6vw, 88px); } }

/* Footer legal links */
.gfoot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.gfoot-links a { color: var(--ch-fg2); }
/* SILS initials in the name expansion */
:root { --ini: #E07A7C; }
.ini { color: var(--ini); font-weight: 700; font-size: calc(1em + 2pt); line-height: 0; }