/* AAIL cinematic direction. Native scroll; no content depends on animation. */
body.selected{--accent:#006f76;--blend-alt:#edf8f7;--blend-hover-line:#b2d9d5;--blend-button-hover:#075d63;--brand-wash:rgba(49,186,205,.1)}
html[data-theme=dark] body.selected{--accent:#9de7e2;--button-ink:#072826;--blend-alt:#142a2c;--blend-hover-line:#3d696b;--blend-button-hover:#c3f6f1;--brand-wash:rgba(49,186,205,.11)}
.selected main{background:radial-gradient(ellipse 70% 500px at 85% 15%,var(--brand-wash),transparent 80%)}
.selected.page-home main{background:radial-gradient(ellipse 70% 800px at 85% 70%,var(--brand-wash),transparent 85%)}
.selected .pill{border-radius:15px;gap:16px;padding:8px 8px 8px 21px;min-height:48px;transition:background .25s,border-color .25s,box-shadow .3s,transform .25s}
.selected .pill>span{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:rgba(255,255,255,.17)}
.selected .pill>span svg{width:19px;height:19px;transition:transform .35s cubic-bezier(.2,.75,.25,1)}
.selected .pill:hover>span svg,.selected .pill:focus-visible>span svg{transform:translate(2px,-2px) rotate(-35deg)}
.selected .pill:hover{box-shadow:0 8px 24px rgba(0,111,118,.13)}
.selected .pill:active{transform:scale(.98)}
.selected .header-cta{border-radius:12px;padding:5px 5px 5px 14px;min-height:36px;font-size:11px;gap:10px}
.selected .header-cta>span{display:grid;width:25px;height:25px;border-radius:8px}
.selected .header-cta>span svg{width:16px;height:16px}
.selected .nav-disclosure>summary{padding-inline:10px;border-radius:999px}
.selected .primary-nav{gap:12px}
.selected .nav-disclosure>summary:after{display:none}
.selected .nav-disclosure[open]>summary{color:var(--ink)}
.selected .header-inner{max-width:1320px}

/* Default: a full-height aviation hero followed by the readable brand chapter. */
.cinema-scroll{position:relative;background:var(--bg)}
.cinema-stage{position:relative;background:var(--bg);isolation:isolate;overflow:clip}
.flight-scene{position:absolute;inset:0 0 auto;height:100svh;min-height:660px;overflow:hidden;background:#173c40 url('aviation-poster.jpg') center/cover no-repeat}
.flight-scene video{width:100%;height:100%;object-fit:cover;object-position:50% 50%;display:block}
.flight-grade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,25,31,.58),rgba(3,30,37,.2) 40%,rgba(3,25,31,.6)),linear-gradient(115deg,rgba(11,87,93,.18),transparent 70%)}
.cinema-hero{position:relative;min-height:660px;height:100svh;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;color:#fff;padding:110px 28px 100px;z-index:2}
.cinema-eyebrow{font-size:11px;letter-spacing:.13em;text-transform:uppercase;margin-bottom:30px;color:#dbf1f1;font-weight:500}
.cinema-hero h1{font-size:clamp(64px,8.1vw,116px);line-height:.99;letter-spacing:-.065em;font-weight:450;max-width:1160px;text-shadow:0 2px 28px #062b3150}
.cinema-lead{font-size:19px;line-height:1.55;letter-spacing:-.015em;margin:30px auto 0;max-width:48ch;color:#eef6f6}
.selected .cinematic-cta{margin-top:28px;background:#b5ece7;border-color:#b5ece7;color:#09332f;font-size:14px}
.selected .cinematic-cta>span{background:#e7fffb}
.selected .cinematic-cta:hover{background:#d1fff9;border-color:#d1fff9}
.cinema-scroll-cue{position:absolute;bottom:32px;left:50%;transform:translateX(-50%);font-size:11px;letter-spacing:.02em;display:flex;gap:12px;align-items:center;white-space:nowrap;color:#eef6f6}
.cinema-scroll-cue>span{font-size:20px}
.brand-bridge{position:relative;padding:90px 24px 75px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse 60% 70% at 50% 30%,var(--brand-wash),transparent 85%)}
.brand-portal{position:relative;border:0;background:transparent;padding:0;width:clamp(260px,28vw,370px);max-width:72vw;aspect-ratio:1906/1579;cursor:pointer;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.2,.75,.25,1)}
.brand-portal:disabled{opacity:1;cursor:default}
.brand-portal img{position:absolute;inset:0;width:100%;height:auto}
.brand-window{position:absolute;inset:0;background:url('aviation-poster.jpg') center/cover no-repeat;mask:url('aail-logo-hero.svg') center/contain no-repeat;-webkit-mask:url('aail-logo-hero.svg') center/contain no-repeat;opacity:0}
.brand-portal.is-tilted{transform:perspective(900px) rotateY(23deg) rotateX(-7deg) rotateZ(-3deg) scale(1.035)}
.brand-bridge>h2{font-size:clamp(34px,3.3vw,48px);font-weight:550;letter-spacing:-.045em;line-height:1.1;margin-top:35px;max-width:1000px}
.brand-bridge>p{font-size:15px;color:var(--muted);margin-top:22px}
.motion-control{position:absolute;top:calc(100svh - 64px);bottom:auto;left:30px;z-index:8;display:inline-flex;align-items:center;gap:10px;border:1px solid #ffffff55;border-radius:999px;background:#0b232d60;color:#fff;backdrop-filter:blur(12px);padding:9px 13px;font-size:10px;line-height:1.4;transition:opacity .2s}
.motion-symbol{width:15px;font-size:14px;line-height:1;text-align:center}
.flight-credit{position:absolute;top:calc(100svh - 62px);bottom:auto;right:30px;font-size:9px;line-height:1.5;color:#e6f0f0;z-index:8;text-align:right;max-width:28ch}

/* Enhancement: the same film crossfades into a window cut from the supplied logo. */
.cinema-enabled .cinema-scroll{height:220svh;min-height:1450px}
.cinema-enabled .cinema-stage{position:sticky;top:0;height:100svh;min-height:660px;overflow:hidden}
.cinema-enabled .flight-scene{inset:0;height:100%;min-height:0;opacity:var(--film-opacity,1);transform:scale(var(--film-scale,1));will-change:transform,opacity}
.cinema-enabled .cinema-hero{position:absolute;inset:0;height:100%;min-height:0;opacity:var(--hero-opacity,1);transform:translateY(var(--hero-offset,0px));pointer-events:var(--hero-events,auto)}
.cinema-enabled .brand-bridge{position:absolute;inset:0;padding:80px 24px 60px;opacity:var(--brand-opacity,0);transform:scale(var(--brand-scale,1.12));pointer-events:var(--brand-events,none);background:radial-gradient(ellipse 70% 70% at 50% 35%,var(--brand-wash),transparent 85%)}
.cinema-enabled .brand-window{opacity:var(--window-opacity,0)}
.cinema-enabled .brand-portal img{opacity:var(--logo-opacity,1)}
.cinema-enabled .motion-control,.cinema-enabled .flight-credit{top:auto;bottom:26px;opacity:var(--controls-opacity,1);pointer-events:var(--hero-events,auto)}
.cinema-enabled body.selected.page-home .global-header{margin-bottom:-74px;transition:background .3s,border-color .3s,color .3s}
.cinema-enabled body.selected.page-home .global-header:not(.is-solid):not(.has-mega):not(.mobile-open){background:transparent;border-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:#fff}
.cinema-enabled body.selected.page-home .global-header:not(.is-solid):not(.has-mega):not(.mobile-open) .nav-disclosure>summary,.cinema-enabled body.selected.page-home .global-header:not(.is-solid):not(.has-mega):not(.mobile-open) .nav-direct{color:#fff}
.cinema-enabled body.selected.page-home .global-header:not(.is-solid):not(.has-mega):not(.mobile-open) .icon-button{color:#fff;border-color:#ffffff55}
.cinema-enabled body.selected.page-home .global-header:not(.is-solid):not(.has-mega):not(.mobile-open) .header-cta{background:#b5ece7;border-color:#b5ece7;color:#09332f}
.cinema-enabled body.selected.page-home .global-header:not(.is-solid):not(.has-mega):not(.mobile-open) .appearance-toggle:hover{background:#ffffff15}
.aviation-notice{padding:22px 30px 26px;max-width:1240px;margin:auto;font-size:9px;line-height:1.7;color:var(--muted);border-top:1px solid var(--line)}
.aviation-notice p{max-width:none}
.aviation-notice>a{display:inline-block;margin-top:6px;text-decoration:underline;text-underline-offset:3px}

/* Real RFQ content in four independent chapters, informed by Nocturne. */
.rfq-chapter{max-width:1240px;margin:35px auto 0;padding:58px 48px 64px;background:var(--bg);color:var(--ink);border-radius:26px}
.rfq-heading{margin-bottom:35px}
.rfq-heading>.label{color:var(--accent)}
.rfq-heading h2{font-size:54px;font-weight:500;line-height:1.06;letter-spacing:-.05em}
.rfq-heading>p:not(.label){font-size:16px;line-height:1.6;color:var(--muted);margin-top:24px;max-width:50ch}
.rfq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}
.rfq-card{min-width:0;border:1px solid var(--line);border-radius:18px;background:var(--surface);transition:transform .3s,border-color .3s,background .3s;transform:perspective(1100px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transform-style:preserve-3d}
.rfq-card>summary{position:relative;display:flex;flex-direction:column;min-height:284px;padding:30px 32px}
.rfq-number{font-size:61px;line-height:1;font-weight:400;letter-spacing:-.065em;color:var(--muted);margin-bottom:32px}
.rfq-summary-copy{display:block;max-width:35ch;padding-right:8px}
.rfq-card-title{display:block;font-size:31px;font-weight:500;letter-spacing:-.04em;line-height:1.1}
.rfq-summary-copy>span{display:block;font-size:15px;line-height:1.65;color:var(--muted);margin-top:18px;max-width:36ch}
.rfq-plus{position:absolute;right:26px;top:30px;display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--muted);border-radius:50%;font-size:23px;line-height:1;transition:transform .25s,color .25s,background .25s}
.rfq-card[open]{border-color:var(--blend-hover-line);background:var(--blend-alt)}
.rfq-card[open] .rfq-plus{transform:rotate(45deg);background:var(--accent);color:var(--button-ink);border-color:var(--accent)}
.rfq-card-content{margin:0 32px;padding:25px 0 30px;border-top:1px solid var(--line);color:var(--muted);font-size:15px;line-height:1.75}
.rfq-card-content h4{font-size:11px;font-weight:600;letter-spacing:.04em;color:var(--accent);margin:25px 0 13px}
.rfq-card-content>.rfq-focus{font-size:11px;line-height:1.8;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:23px}
.selected .blend-product-card{transform:perspective(1100px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));transform-style:preserve-3d}
@media(hover:hover) and (pointer:fine){.rfq-card:hover{border-color:var(--accent);transform:perspective(1100px) translateY(-5px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg))}.selected .blend-product-card:hover{transform:perspective(1100px) translateY(-7px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg))}}
.rfq-card:focus-within{outline:2px solid var(--accent);outline-offset:4px}
.rfq-card>summary:focus-visible{outline:0}
.platform-glossary{display:grid;grid-template-columns:1fr 1fr;gap:70px;max-width:1180px;margin:auto;padding:70px 48px 20px}
.platform-glossary h2{font-size:39px;font-weight:550}
.term-help{border-top:1px solid var(--line)}
.term-help:last-child{border-bottom:1px solid var(--line)}
.term-help>summary{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0;font-size:18px;font-weight:500}
.term-help>summary>span{font-size:22px;font-weight:400;transition:transform .25s}
.term-help[open]>summary>span{transform:rotate(45deg)}
.term-help>div{padding:0 0 24px;font-size:15px;line-height:1.75;color:var(--muted)}

/* Hover is an enhancement; click, tap, and keyboard retain the explanation. */
.security-help-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:1180px;margin:auto;padding:24px 48px 70px;align-items:start}
.security-explainer{border-top:1px solid var(--line);border-bottom:1px solid var(--line);transition:border-color .25s}
.security-explainer>summary{padding:30px 0 26px}
.security-explainer h2{font-size:39px;font-weight:550;line-height:1.1;margin-top:28px;letter-spacing:-.045em}
.help-affordance{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;color:var(--muted);margin-top:28px}
.help-affordance>span{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;font-size:19px;color:var(--ink);transition:transform .25s}
.security-explainer[open]{border-color:var(--accent)}
.security-explainer[open] .help-affordance>span{transform:rotate(45deg)}
.security-explanation{font-size:15px;line-height:1.75;color:var(--muted);padding:0 0 30px}
.security-explanation .text-link{font-size:12px;margin-top:20px;line-height:1.6}
.heading-pending{opacity:0;transform:translateY(18px)}
.heading-entered{opacity:1;transform:none;transition:opacity 1.1s cubic-bezier(.2,.75,.25,1),transform 1.15s cubic-bezier(.2,.75,.25,1)}
@media(min-width:1600px){.cinema-hero h1{font-size:125px}.brand-portal{width:390px}.brand-bridge>h2{font-size:49px}}
@media(max-width:1100px){.selected .header-inner{gap:24px}.selected .primary-nav{gap:7px}.selected .nav-disclosure>summary{padding-inline:7px}.rfq-chapter{margin-inline:25px;padding:46px 34px}.rfq-card-title{display:block;font-size:28px}.rfq-card>summary{padding:28px;min-height:290px}.rfq-card-content{margin-inline:28px}.rfq-plus{right:24px;top:27px}}
@media(max-width:960px){.cinema-hero h1{font-size:clamp(63px,9.2vw,84px)}.cinema-lead{font-size:18px}.cinema-enabled .cinema-scroll{height:200svh}.rfq-heading h2{font-size:46px}.platform-glossary{padding-inline:32px;gap:38px}.security-help-grid{padding-inline:32px;gap:28px}.security-explainer h2{font-size:34px}.rfq-chapter{padding:43px 28px}.rfq-card>summary{padding:26px}.rfq-card-content{margin-inline:26px}.rfq-card-title{display:block;font-size:25px}}
@media(max-width:680px){
 .selected .header-inner{gap:8px}.selected .header-cta{font-size:10px;padding:9px 11px;border-radius:999px;gap:0}.selected .header-cta>span{display:none}.selected .primary-nav{gap:0}.selected .nav-disclosure>summary{padding-inline:0;border-radius:0}
 .cinema-enabled body.selected.page-home .global-header{margin-bottom:-65px}.cinema-hero{height:94svh;min-height:630px;padding:110px 24px 135px}.flight-scene{height:94svh;min-height:630px}.cinema-eyebrow{font-size:9px;margin-bottom:27px;letter-spacing:.09em}.cinema-hero h1{font-size:clamp(49px,12.3vw,76px);letter-spacing:-.057em;line-height:1.035;max-width:580px}.cinema-lead{font-size:16px;line-height:1.6;margin-top:26px;max-width:31ch}.selected .cinematic-cta{font-size:13px;margin-top:26px}.cinema-scroll-cue{bottom:94px;font-size:10px}
 .cinema-enabled .cinema-scroll{height:185svh;min-height:1180px}.cinema-enabled .cinema-stage{height:100svh;min-height:630px}.cinema-enabled .cinema-hero{height:100%;min-height:0}.cinema-enabled .brand-bridge{padding:86px 24px 95px}.brand-bridge{padding:65px 24px}.brand-portal{width:270px;max-width:75vw}.brand-bridge>h2{font-size:31px;margin-top:30px;line-height:1.15}.brand-bridge>p{font-size:12px;line-height:1.65;max-width:31ch;margin-top:20px}.motion-control{top:calc(94svh - 64px);left:20px;bottom:auto;font-size:9px;padding:8px 11px;gap:7px}.flight-credit{top:calc(94svh - 62px);right:20px;bottom:auto;font-size:8px;max-width:22ch}.aviation-notice{font-size:8px;padding-inline:24px}
 .rfq-chapter{margin:25px 16px 0;padding:34px 24px 28px;border-radius:20px}.rfq-heading{margin-bottom:28px}.rfq-heading h2{font-size:38px}.rfq-heading>p:not(.label){font-size:15px;max-width:32ch}.rfq-grid{grid-template-columns:1fr;gap:16px}.rfq-card>summary{min-height:260px;padding:27px 26px}.rfq-number{font-size:55px;margin-bottom:27px}.rfq-card-title{display:block;font-size:29px}.rfq-summary-copy>span{font-size:15px;margin-top:17px}.rfq-card-content{margin-inline:26px;padding:22px 0 25px;font-size:14px}.rfq-plus{top:27px;right:24px}.rfq-card-content>.rfq-focus{font-size:10px}
 .platform-glossary{grid-template-columns:1fr;gap:30px;padding:48px 24px 10px}.platform-glossary h2{font-size:33px}.security-help-grid{grid-template-columns:1fr;gap:25px;padding:10px 24px 45px}.security-explainer h2{font-size:35px}.security-explainer>summary{padding-block:26px}.security-explanation{font-size:15px}.help-affordance{margin-top:25px}
}
@media(max-width:360px){.selected .header-inner{gap:6px}.selected .header-cta{font-size:9px;padding-inline:9px}.cinema-hero{padding-inline:20px}.cinema-hero h1{font-size:43px}.cinema-lead{font-size:15px}.brand-portal{width:245px}.brand-bridge>h2{font-size:28px}.rfq-chapter{margin-inline:12px;padding-inline:20px}.rfq-card>summary{padding-inline:23px}.rfq-card-content{margin-inline:23px}.rfq-card-title{display:block;font-size:26px}}
@media(prefers-reduced-motion:reduce){.selected .heading-pending{opacity:1!important;transform:none!important}.selected [data-tilt],.selected [data-tilt]:hover,.selected .brand-portal,.selected .pill:hover>span svg{transform:none!important}.selected *{animation:none!important;transition:none!important}}
@media print{.cinema-scroll{height:auto!important;min-height:0!important}.cinema-stage{position:static!important;height:auto!important;overflow:visible!important}.flight-scene,.cinema-hero,.motion-control,.flight-credit{display:none!important}.brand-bridge{position:static!important;opacity:1!important;transform:none!important;padding:25px!important}.brand-portal img{opacity:1!important}.brand-window{display:none}.heading-pending{opacity:1!important;transform:none!important}.rfq-chapter{background:#fff;color:#111;margin:0;padding:24px}.rfq-card{background:#fff;color:#111;break-inside:avoid}.rfq-card>summary{min-height:0}.rfq-card-content{display:block!important;color:#333}.rfq-summary-copy>span,.rfq-number{color:#444}.rfq-grid{display:block}.rfq-card{margin-bottom:20px}.aviation-notice{font-size:8px}}

@media(max-height:760px) and (min-width:681px){.cinema-hero h1{font-size:clamp(56px,6.8vw,88px)}.cinema-eyebrow{margin-bottom:22px}.cinema-lead{font-size:17px;margin-top:22px}.selected .cinematic-cta{margin-top:20px}}

/* Transparent product navigation, kept clear of the destination heading. */
.selected .local-nav{width:max-content;max-width:calc(100% - 40px);margin:0 auto;padding:8px 22px;gap:30px;top:82px;border:0;border-radius:999px;background:transparent;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.selected .local-nav a{padding:10px 0;white-space:nowrap}
.selected .local-nav a[aria-current=location]:after{bottom:0}
.selected.page-platform #autobid,.selected.page-platform #historian,.selected.page-platform #review{scroll-margin-top:165px}
.selected .appearance-toggle{background:transparent}

/* Native, layered homepage chapters. Each has a solid, theme-aware surface. */
.home-chapters{position:relative;isolation:isolate;background:var(--bg)}
.home-chapters>.scroll-chapter{position:relative;max-width:none;margin:0;padding:64px max(48px,calc((100% - 1144px)/2));background:var(--bg);border-top:1px solid var(--line);border-radius:30px 30px 0 0;z-index:var(--chapter-layer,1)}
.home-chapters>.blend-audience{border-top:0;background:linear-gradient(135deg,var(--bg) 60%,var(--blend-alt))}
.home-chapters>.blend-products{background:var(--bg)}
.home-chapters>.procurement-chapter{background:linear-gradient(130deg,var(--blend-alt),var(--bg) 80%)}
.home-chapters>.scroll-chapter:focus-within{z-index:10}
.chapter-reveal{min-width:0}
.chapter-reveal>.blend-team-card,.chapter-reveal>.blend-product-card{height:100%}
.procurement-heading{max-width:1000px}
.procurement-heading h2{font-size:clamp(38px,4.2vw,58px);font-weight:550;letter-spacing:-.05em;line-height:1.08;max-width:27ch}
.procurement-heading>p{font-size:18px;line-height:1.65;color:var(--muted);margin-top:26px;max-width:56ch}
.procurement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px;margin-top:55px}
.procurement-item{padding-top:24px;border-top:1px solid var(--blend-hover-line)}
.procurement-item h3{font-size:27px;font-weight:550;letter-spacing:-.04em;line-height:1.15}
.procurement-item p{font-size:15px;line-height:1.75;color:var(--muted);margin-top:19px;max-width:31ch}
.scroll-reveal-pending{opacity:0;transform:translate3d(0,48px,0) scale(.985)}
.scroll-reveal-entered{opacity:1;transform:none;transition:opacity 1.1s cubic-bezier(.2,.75,.25,1),transform 1.35s cubic-bezier(.2,.75,.25,1);transition-delay:var(--reveal-delay,0ms)}
[data-scroll-reveal]:focus-within{opacity:1;transform:none;transition-delay:0ms}
@media(min-width:1000px) and (min-height:720px) and (prefers-reduced-motion:no-preference){.home-chapters>.chapter-can-pin{position:sticky;top:74px;min-height:calc(100svh - 74px);display:flex;flex-direction:column;justify-content:center}}
@media(max-width:1100px){.home-chapters>.scroll-chapter{padding-inline:48px}.procurement-grid{gap:30px}}
@media(max-width:960px){.home-chapters>.scroll-chapter{padding:58px 32px;border-radius:24px 24px 0 0}.selected .local-nav{top:77px}.selected.page-platform #autobid,.selected.page-platform #historian,.selected.page-platform #review{scroll-margin-top:155px}.procurement-heading h2{font-size:46px}.procurement-grid{gap:26px}.procurement-item h3{font-size:25px}.procurement-item p{font-size:14px}}
@media(max-width:680px){.home-chapters>.scroll-chapter{padding:46px 24px;border-radius:20px 20px 0 0}.selected .local-nav{gap:24px;padding:6px 18px;top:73px;font-size:11px}.procurement-heading h2{font-size:37px}.procurement-heading h2 br{display:none}.procurement-heading>p{font-size:16px;margin-top:23px}.procurement-grid{grid-template-columns:1fr;gap:28px;margin-top:35px}.procurement-item{padding-top:23px}.procurement-item h3{font-size:28px}.procurement-item p{font-size:15px;max-width:38ch;margin-top:14px}.scroll-reveal-pending{transform:translate3d(0,28px,0)}}
@media(prefers-reduced-motion:reduce){.selected .scroll-reveal-pending{opacity:1!important;transform:none!important}.home-chapters>.scroll-chapter{position:relative;min-height:0}}
@media print{.home-chapters>.scroll-chapter{position:static!important;min-height:0!important;padding:24px!important}.scroll-reveal-pending{opacity:1!important;transform:none!important}.selected .local-nav{display:none}.procurement-grid{display:block}.procurement-item{break-inside:avoid;margin-bottom:20px}}

/* Individual subsections share the chapter treatment without changing their content. */
.subsection-deck{position:relative;isolation:isolate}
.subsection-slide{position:relative;background:var(--bg);border-top:1px solid var(--line);border-radius:28px 28px 0 0;z-index:var(--chapter-layer,1);padding-block:1px}
.subsection-slide:first-child{border-top:0}
.subsection-slide:focus-within{z-index:15}
.selected [data-scroll-chapter].chapter-can-pin:focus-within{position:relative}
.subsection-slide>section{width:100%}
.subsection-slide .security-explainer,.subsection-slide .executive-card{height:100%}
.subsection-slide .rfq-grid>.chapter-reveal{align-self:start}
@media(min-width:1000px) and (min-height:720px) and (prefers-reduced-motion:no-preference){.subsection-deck>.chapter-can-pin{position:sticky;top:var(--chapter-top,74px);min-height:calc(100svh - var(--chapter-top,74px));display:flex;align-items:center;justify-content:center}}
@media(max-width:680px){.subsection-slide{border-radius:18px 18px 0 0}}
@media(prefers-reduced-motion:reduce){.subsection-deck>.subsection-slide{position:relative;min-height:0}}
@media print{.subsection-deck>.subsection-slide{position:static!important;min-height:0!important;border:0}}