/* IPC's section navigation: a quiet masthead, useful details on demand. */
html{scroll-padding-top:120px}
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{position:relative;width:calc(100% - 64px);max-width:1440px;min-height:94px;gap:24px}
.header-inner .brand-mark svg{width:72px;height:56px}
.header-inner .brand-name{display:block;font-size:.75rem;padding-left:12px}
.header-inner nav{align-self:stretch;display:flex;align-items:stretch;gap:0;font-size:.875rem;min-width:0}
.nav-top-list,.nav-column ul{list-style:none;padding:0;margin:0}
.nav-top-list{display:flex;align-items:stretch;flex-wrap:wrap;gap:5px}
.nav-group,.nav-partner{display:flex;align-items:stretch}
.nav-section-row{display:flex;align-items:center;position:relative}
.nav-section-link{min-height:46px;display:inline-flex;align-items:center;gap:7px;padding:9px 5px;line-height:1.4;font-weight:600;white-space:nowrap}
.nav-family-icon{width:18px;height:18px;flex:none}
.nav-section-link:hover{text-decoration:none;color:var(--blue)}
.nav-section-link[aria-current=page]{color:var(--blue)}
.nav-section-link[aria-current=page]::after{content:'';position:absolute;left:5px;right:24px;bottom:20px;height:2px;background:var(--blue)}
.nav-partner{align-items:center;position:relative;margin-left:8px}
.nav-partner .nav-cta{padding:11px 15px;margin:0;min-height:44px}
.nav-partner .nav-cta:hover{color:#fff}
.nav-partner .nav-cta[aria-current=page]::after{display:none}
.nav-disclosure{display:inline-flex;align-items:center;justify-content:center;width:24px;height:44px;min-width:24px;padding:0;color:var(--muted);background:transparent;border-radius:3px}
.nav-disclosure svg{width:14px;height:14px;transition:transform .16s}
.nav-disclosure[aria-expanded=true] svg{transform:rotate(180deg)}
.nav-disclosure:hover,.is-expanded>.nav-section-row{color:var(--blue)}
.nav-panel{position:absolute;inset-inline:0;top:calc(100% - 1px);padding:28px 30px 0;background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:0 0 8px 8px;box-shadow:0 20px 45px #142c451a;display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px 32px;max-height:calc(100dvh - 120px);overflow-y:auto;overscroll-behavior:contain}
.nav-panel-intro{padding-right:24px;border-right:1px solid var(--line)}
.nav-panel-kicker{font-size:.875rem;color:var(--blue);font-weight:600;margin-bottom:12px}
.nav-panel-intro h2{font-size:1.7rem;line-height:1.2;letter-spacing:-.025em}
.nav-panel-intro>p:last-child{font-size:.875rem;line-height:1.7;color:var(--muted);margin-top:15px}
.nav-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:24px;min-width:0}
.nav-column{min-width:0}
.nav-column h3{font-size:.9375rem;line-height:1.45;margin-bottom:13px;font-weight:600;letter-spacing:0}
.nav-column h3>a{color:var(--blue)}
.nav-column li+li{margin-top:3px}
.nav-column li>a{display:block;padding:9px 10px;margin-inline:-10px;border-radius:4px;line-height:1.45}
.nav-column li>a:hover{background:#eef3ff;text-decoration:none;color:var(--blue)}
.nav-column strong{display:block;font-size:.875rem;font-weight:500;line-height:1.5}
.nav-column li>a>span{display:block;margin-top:3px;font-size:.875rem;line-height:1.5;color:var(--muted)}
.nav-panel-footer{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:13px 28px;margin-inline:-30px;padding:17px 30px;border-top:1px solid var(--line);background:#f5f7fb}
.nav-panel-footer>a{font-size:.875rem;font-weight:600;line-height:1.5;color:var(--blue)}
.nav-panel-compact{grid-template-columns:1fr;gap:22px}
.nav-panel-compact .nav-panel-intro{border:0;padding:0;display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 24px}
.nav-panel-compact .nav-panel-kicker{margin:0}
.nav-panel-compact .nav-panel-intro h2{font-size:1.45rem}
.nav-panel-compact .nav-panel-intro>p:last-child{margin:0;max-width:75ch}
.nav-panel-compact .nav-columns{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}
.nav-panel-compact .nav-column li>a{padding-block:6px}
.nav-panel-compact .nav-column h3{padding-bottom:12px;border-bottom:1px solid var(--line)}
.header-inner .menu-toggle{display:none;min-width:68px;font-size:.9375rem;font-weight:600}
:is(.nav-panel,.nav-section-row) :is(a,button):focus-visible{outline:2px solid var(--blue);outline-offset:3px}
@media(min-width:1001px) and (max-width:1240px){html{scroll-padding-top:160px}.header-inner{flex-wrap:wrap;gap:0;min-height:0}.header-inner>.brand{margin-block:12px 0}.header-inner nav{width:100%;justify-content:space-between}.nav-top-list{width:100%;justify-content:space-between;min-height:58px;gap:3px}.nav-section-link[aria-current=page]::after{bottom:5px}.nav-panel{max-height:calc(100dvh - 155px)}}
@media(max-width:1000px){.header-inner{min-height:82px;gap:18px;width:calc(100% - 48px);flex-wrap:nowrap}.header-inner .brand-name{display:block}.header-inner .menu-toggle{display:inline-flex}.header-inner nav{display:none;position:absolute;left:-24px;right:-24px;top:100%;padding:8px 24px 22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;box-shadow:0 15px 30px #142c4514;max-height:calc(100dvh - 82px);overflow-y:auto;overscroll-behavior:contain}.header-inner nav.is-open{display:block}.nav-top-list{display:block}.nav-group{display:block;border-bottom:1px solid var(--line)}.nav-section-row{justify-content:space-between;min-height:57px}.nav-section-link{padding:12px 0;white-space:normal;font-size:1rem;min-height:48px}.nav-section-link[aria-current=page]::after{display:none}.nav-disclosure{width:48px;min-width:48px;height:48px;background:#f4f6fb}.nav-disclosure svg{width:16px;height:16px}.nav-partner{margin:16px 0 0;display:block}.nav-partner .nav-cta{width:100%;justify-content:center}.nav-panel{position:static;max-height:none;overflow:visible;box-shadow:none;border:0;border-top:2px solid var(--blue);border-radius:0;padding:20px 8px 0;grid-template-columns:1fr;gap:23px}.nav-panel-intro{border:0;padding:0}.nav-panel-intro h2{font-size:1.5rem}.nav-panel-intro>p:last-child{margin-top:10px}.nav-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px}.nav-panel-footer{margin-inline:-8px;padding:17px 8px;margin-bottom:16px;gap:13px 24px}.nav-panel-compact .nav-panel-intro{display:block}.nav-panel-compact .nav-panel-intro h2{margin-block:10px}.nav-panel-compact .nav-columns{grid-template-columns:1fr;gap:22px}.nav-panel-compact .nav-column li>a{padding-block:10px;min-height:44px}}
@media(max-width:560px){.header-inner{width:calc(100% - 36px)}.header-inner nav{left:-18px;right:-18px;padding-inline:18px}.header-inner .brand-mark svg{width:62px;height:48px}.header-inner .brand{gap:10px}.header-inner .brand-name{font-size:.75rem;padding-left:10px}.nav-columns{grid-template-columns:1fr}.nav-panel-intro h2{font-size:1.45rem}.nav-column li>a{min-height:44px;padding-block:11px}}
@media(prefers-reduced-motion:reduce){.nav-disclosure svg{transition:none}}
@media print{.site-header{position:static}.header-inner nav,.header-inner .menu-toggle{display:none!important}}