@font-face{font-family:Inter;src:url(../fonts/Inter.ttf) format("truetype");font-weight:100 900;font-display:swap}
:root{--mid:#0F1C33;--navy:#1F3864;--blue:#2E5F9E;--mist:#EEF3F9;--gold:#D4A520;--gold-d:#8C6510;--peach:#F2C6A0;--red:#A3322A;--ink:#1A2433;--muted:#4A5568}
*{box-sizing:border-box}
html,body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font:inherit;cursor:pointer}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* ---------- Home ---------- */
.home{min-height:100dvh;background:radial-gradient(120% 80% at 80% 10%,#2E5F9E55,transparent 60%),linear-gradient(160deg,var(--mid),var(--navy));color:#fff;display:flex;flex-direction:column}
.home header{padding:28px 22px 8px;max-width:1100px;margin:0 auto;width:100%}
.home .eyebrow{color:var(--gold);font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px}
.home h1{font-size:clamp(38px,7vw,76px);line-height:1.02;margin:10px 0 10px;letter-spacing:-.02em}
.home p.lead{font-size:clamp(17px,2.2vw,22px);color:#d8e2f0;max-width:640px;margin:0}
.home .hero{position:relative;max-width:1100px;margin:18px auto 0;width:calc(100% - 44px);border-radius:22px;overflow:hidden;aspect-ratio:16/9;box-shadow:0 30px 80px #0008}
.home .hero img{width:100%;height:100%;object-fit:cover;display:block}
.modes{display:grid;grid-template-columns:1fr;gap:14px;max-width:1100px;margin:22px auto 30px;width:calc(100% - 44px)}
@media(min-width:760px){.modes{grid-template-columns:1fr 1fr}}
.mode{display:block;text-decoration:none;border-radius:20px;padding:22px 22px 24px;background:#ffffff12;border:1px solid #ffffff22;backdrop-filter:blur(6px);transition:transform .2s,background .2s}
.mode:hover{transform:translateY(-3px);background:#ffffff1c}
.mode b{display:block;font-size:24px;margin-bottom:6px}.mode span{color:#cbd6e6;font-size:16px;line-height:1.45}
.mode.primary{background:var(--gold);color:var(--mid);border:none}.mode.primary span{color:#3b2c05}
.home footer{margin-top:auto;padding:18px 22px 26px;color:#9fb0c8;font-size:13px;max-width:1100px;margin-left:auto;margin-right:auto;width:100%}

/* ---------- Present ---------- */
body.present{background:#000;overflow:hidden;height:100vh}
#viewport{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#000}
#stage{width:1920px;height:1080px;position:relative;overflow:hidden;transform-origin:center center;background:var(--mid);flex:none}
.slide{position:absolute;inset:0;visibility:hidden;opacity:0}
.slide.active{visibility:visible}
.plate-wrap{position:absolute;inset:0;will-change:transform}
.slide{background:#0F1C33}.slide.light{background:#EEF3F9}
.plate-wrap img,.plate-wrap video{width:100%;height:100%;object-fit:cover;display:block}
#fx{position:absolute;inset:0;pointer-events:none;z-index:5;mix-blend-mode:screen}
.ov{position:absolute;z-index:6;color:#fff}
.ov.lower{left:115px;top:470px;width:820px}
.ov.diagram{left:90px;top:330px;width:960px}
.dark-text .ov{color:var(--ink)}
.h-overlay{position:absolute;left:115px;top:110px;z-index:6;font-size:96px;font-weight:800;line-height:1.02;color:#fff;letter-spacing:-.02em;text-shadow:0 4px 30px #0007;max-width:900px;margin:0}
.panel{background:#0F1C33cc;border:1px solid #ffffff26;border-radius:22px;padding:26px 30px;backdrop-filter:blur(8px)}
.light .panel{background:#ffffffe6;border-color:#1F386422;color:var(--ink)}
.title-sub{font-size:44px;font-weight:600;margin:0 0 18px;color:#fff;text-shadow:0 2px 20px #0009}
.title-meta{font-size:26px;color:#d9e3f1;line-height:1.5}
.chip{display:inline-block;background:var(--gold);color:var(--mid);font-weight:800;font-size:30px;letter-spacing:.08em;text-transform:uppercase;padding:14px 26px;border-radius:999px}
.bul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.bul li{font-size:36px;font-weight:600;display:flex;gap:16px;align-items:center}
.bul li:before{content:"";flex:0 0 14px;height:14px;border-radius:50%;background:var(--gold)}
.vitals{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.vital{background:#0F1C33d9;border:1px solid #ffffff22;border-radius:18px;padding:18px 22px}
.vital b{display:block;font-size:42px;line-height:1.1}.vital span{font-size:22px;color:#c9d5e6}
.vital.alarm b{color:#ff8a80}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cmp{border-radius:20px;padding:22px 24px}
.cmp small{display:block;font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:20px;margin-bottom:10px}
.cmp p{margin:0;font-size:29px;line-height:1.3}
.cmp.a{background:#ffffff1a;border:1px dashed #ffffff55;color:#dfe7f2}.cmp.a small{color:#aab8cc}
.cmp.b{background:var(--gold);color:var(--mid)}
.grid4{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid4 div{background:#2E5F9Ee6;border-radius:18px;padding:24px;font-size:30px;font-weight:700;min-height:120px;display:flex;align-items:center}
.grid4 div:nth-child(4){background:var(--gold);color:var(--mid)}
.quote{font-size:40px;line-height:1.3;font-weight:600;margin:0 0 14px}
.cite{color:var(--gold);font-weight:800;letter-spacing:.1em;font-size:20px;text-transform:uppercase}
.qfoot{margin-top:26px;font-size:24px;color:#d4deea}
.cus{display:flex;flex-direction:column;gap:14px}
.cus .r{display:flex;gap:18px;align-items:center;border-radius:18px;padding:16px 20px;background:#0F1C33d9;border:1px solid #ffffff22}
.cus .k{flex:0 0 72px;height:72px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:900;background:var(--blue)}
.cus .r:nth-child(2) .k{background:var(--gold);color:var(--mid)}.cus .r:nth-child(3) .k{background:var(--red)}
.cus b{display:block;font-size:30px}.cus span{font-size:24px;color:#d4deea}
.steps{display:flex;gap:16px;align-items:stretch}
.steps .st{flex:1;background:#0F1C33d9;border:1px solid #ffffff22;border-radius:18px;padding:20px}
.steps .n{width:56px;height:56px;border-radius:50%;background:var(--gold);color:var(--mid);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:28px;margin-bottom:12px}
.steps b{display:block;font-size:28px;line-height:1.15}.steps span{display:block;font-size:21px;color:#cfd9e6;margin-top:8px}
.script p{margin:0 0 16px;font-size:28px;line-height:1.35}
.script p:first-child{display:inline-block;background:var(--red);padding:10px 18px;border-radius:12px;font-weight:700;font-size:24px}
.script p:last-child{background:#ffffffee;color:var(--ink);padding:22px 24px;border-radius:18px;border-left:10px solid var(--gold)}
.ex-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.ex-cards div{background:#fff;color:var(--ink);border-radius:18px;padding:18px;font-size:23px;line-height:1.3;box-shadow:0 10px 30px #0F1C3322;border-top:8px solid var(--blue)}
.ex-cards div:nth-child(2){border-top-color:var(--gold)}.ex-cards div:nth-child(3){border-top-color:var(--red)}
.ex-cards b{display:block;font-size:34px;color:var(--navy)}
.builder{background:var(--navy);color:#fff;border-radius:18px;padding:22px 26px;font-size:32px;font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:14px}
.chips span{background:#ffffffee;color:var(--navy);font-weight:800;font-size:26px;padding:14px 22px;border-radius:999px}
.chips span:last-child{background:var(--gold);color:var(--mid)}
.loopv{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.loopv div{background:#ffffffe8;color:var(--navy);border-radius:18px;padding:22px;font-size:29px;font-weight:800;border-left:10px solid var(--gold)}
.backed{display:flex;flex-direction:column;gap:14px}
.backed div{background:#0F1C33d9;border:1px solid #ffffff22;border-radius:18px;padding:18px 22px}
.backed small{display:block;color:var(--gold);font-weight:800;letter-spacing:.06em;font-size:20px;text-transform:uppercase}
.backed b{font-size:28px}
.support .bul li{font-size:32px}
.support .line{margin-top:22px;background:var(--gold);color:var(--mid);font-weight:800;font-size:32px;border-radius:16px;padding:16px 22px;display:inline-block}
.close .builder{margin-bottom:18px}
.close .foot{font-size:56px;font-weight:800;color:var(--gold);margin-top:18px;text-shadow:0 2px 20px #0008}
.qrbox{display:flex;gap:30px;align-items:center}
.qrbox img{width:330px;height:330px;background:#fff;border-radius:22px;padding:14px;box-shadow:0 20px 50px #0F1C3333}
.qrbox p{font-size:28px;line-height:1.4;margin:0 0 10px;color:var(--ink)}
.qrbox code{font-size:20px;color:var(--muted);word-break:break-all}
/* Diagrams */
.isbar{display:flex;flex-direction:column;gap:10px}
.isbar .r{display:flex;gap:16px;align-items:stretch;background:#0F1C33e6;border:1px solid #ffffff22;border-radius:16px;overflow:hidden}
.isbar .k{flex:0 0 78px;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:900;background:var(--blue)}
.isbar .r:last-child .k{background:var(--gold);color:var(--mid)}
.isbar .t{padding:12px 16px 12px 0}.isbar b{font-size:24px;display:block;color:var(--gold)}.isbar span{font-size:25px;line-height:1.3}
.isbar .rb{margin-top:6px;font-size:22px;color:#d4deea;padding-left:6px}
.pace{display:flex;flex-direction:column-reverse;gap:12px}
.pace .r{display:flex;align-items:center;gap:18px;border-radius:16px;padding:14px 18px;background:#0F1C33e6;border:1px solid #ffffff22}
.pace .k{flex:0 0 70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:36px}
.pace b{font-size:28px;display:block}.pace span{font-size:22px;color:#d4deea}
.pace .cusTag{margin-left:auto;font-weight:900;font-size:22px;padding:8px 14px;border-radius:10px;background:#ffffff1f}
.pathway .rowp{display:flex;gap:12px;align-items:stretch}
.pathway .st{flex:1;background:#0F1C33e6;border:1px solid #ffffff22;border-radius:16px;padding:16px;position:relative}
.pathway .st .n{width:46px;height:46px;border-radius:50%;background:var(--gold);color:var(--mid);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:24px;margin-bottom:8px}
.pathway .st b{font-size:24px;display:block;line-height:1.15}.pathway .st span{font-size:18px;color:#cfd9e6;display:block;margin-top:6px}
.pathway .arrow{align-self:center;font-size:34px;color:var(--gold)}
.pathway .rail{margin-top:16px;background:var(--red);border-radius:14px;padding:16px 20px;font-size:25px;font-weight:700}
.pathway .rural{margin-top:12px;border:2px dashed #ffffff88;border-radius:14px;padding:12px 18px;font-size:21px;background:#0F1C33cc}
.pathway .src{margin-top:10px;font-size:18px;color:#c4d0e2}
/* HUD */
#hud{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:center;padding:10px 16px;color:#fff9;font-size:13px;z-index:20;opacity:0;transition:opacity .3s;pointer-events:none}
body.show-hud #hud{opacity:1}
#progress{position:fixed;left:0;bottom:0;height:4px;background:var(--gold);z-index:21;transition:width .5s}
#cutflag{position:fixed;top:12px;right:14px;background:var(--gold);color:var(--mid);font-weight:800;font-size:13px;padding:6px 10px;border-radius:8px;z-index:22;display:none}
body.cut #cutflag{display:block}
#help{position:fixed;inset:0;background:#000c;color:#fff;z-index:30;display:none;align-items:center;justify-content:center}
#help.on{display:flex}
#help div{background:var(--navy);padding:28px 34px;border-radius:18px;font-size:18px;line-height:1.9;max-width:560px}
#help kbd{background:#fff2;border-radius:6px;padding:2px 8px;font-family:inherit}
#notesbar{position:fixed;left:0;right:0;bottom:0;max-height:34vh;overflow:auto;background:#0F1C33f2;color:#fff;font-size:19px;line-height:1.5;padding:16px 22px 22px;z-index:25;display:none;border-top:3px solid var(--gold)}
body.notes #notesbar{display:block}
#black{position:fixed;inset:0;background:#000;z-index:40;display:none}
body.black #black{display:block}
#overview{position:fixed;inset:0;background:#0F1C33;z-index:35;display:none;overflow:auto;padding:24px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
body.overview #overview{display:grid}
#overview button{border:0;padding:0;border-radius:10px;overflow:hidden;background:#000;position:relative;aspect-ratio:16/9}
#overview img{width:100%;height:100%;object-fit:cover}
#overview button span{position:absolute;left:8px;top:6px;background:#000a;color:#fff;font-size:13px;padding:2px 8px;border-radius:6px}
#overview button.skip{opacity:.45}
/* Speaker view */
body.speaker{background:#0b1426;color:#fff;overflow:auto;height:auto}
.spk{display:grid;grid-template-columns:1.4fr 1fr;grid-template-rows:auto 1fr;gap:16px;padding:16px;min-height:100vh}
.spk .cur img,.spk .nxt img{width:100%;border-radius:12px;display:block;aspect-ratio:16/9;object-fit:cover}
.spk h2{margin:0 0 6px;font-size:15px;color:var(--gold);letter-spacing:.08em;text-transform:uppercase}
.spk .notes{grid-column:1/-1;background:#13213d;border-radius:14px;padding:18px 22px;font-size:22px;line-height:1.55;white-space:pre-wrap}
.spk .meta{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:12px;font-size:18px}
.spk .timer{font-size:46px;font-weight:800;font-variant-numeric:tabular-nums}
.spk button{background:#ffffff18;color:#fff;border:1px solid #ffffff33;border-radius:10px;padding:8px 14px}
.spk .tag{background:var(--gold);color:var(--mid);font-weight:800;border-radius:8px;padding:4px 10px}

/* ---------- Resources ---------- */
body.res{background:var(--mist);min-height:100dvh}
.res-top{position:sticky;top:0;z-index:10;background:var(--navy);color:#fff;padding:12px 16px 0;box-shadow:0 4px 18px #0F1C3333}
.res-top .bar{display:flex;align-items:center;gap:10px;max-width:980px;margin:0 auto}
.res-top .bar a{text-decoration:none;font-weight:800;font-size:18px}
.res-top .bar .sp{flex:1}
.res-top .install{background:var(--gold);color:var(--mid);border:0;border-radius:999px;padding:7px 14px;font-weight:800;display:none}
.tabs{display:flex;gap:4px;overflow-x:auto;max-width:980px;margin:10px auto 0;scrollbar-width:none}
.tabs button{background:none;border:0;color:#c9d5e6;padding:10px 12px 12px;font-weight:700;font-size:15px;white-space:nowrap;border-bottom:3px solid transparent}
.tabs button[aria-selected=true]{color:#fff;border-bottom-color:var(--gold)}
main.res-main{max-width:980px;margin:0 auto;padding:18px 16px 60px}
.res-main h2{font-size:26px;color:var(--navy);margin:6px 0 6px}
.res-main p.intro{color:var(--muted);margin:0 0 16px;font-size:16px;line-height:1.5}
.dlall{display:inline-flex;gap:8px;align-items:center;background:var(--navy);color:#fff;text-decoration:none;font-weight:800;border-radius:12px;padding:12px 16px;margin-bottom:16px}
.cards{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:700px){.cards{grid-template-columns:1fr 1fr}}
.pcard{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 6px 20px #0F1C3314;display:flex;flex-direction:column}
.pcard .hd{padding:16px 18px;color:#fff}
.pcard .hd b{font-size:19px}
.pcard ul{list-style:none;margin:0;padding:12px 18px;display:flex;flex-direction:column;gap:10px}
.pcard li{display:flex;gap:12px}
.pcard li .k{flex:0 0 34px;height:34px;border-radius:9px;color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.pcard li b{display:block;color:var(--navy);font-size:15px}.pcard li span{font-size:14px;color:#3a4658;line-height:1.4}
.pcard .alert{margin:0 18px 10px;background:var(--red);color:#fff;border-radius:10px;padding:10px 12px;font-size:14px;font-weight:700}
.pcard .rural{margin:0 18px 10px;border:1.5px dashed var(--blue);border-radius:10px;padding:10px 12px;font-size:13.5px;color:var(--navy)}
.pcard .ft{font-size:13px;color:var(--muted);padding:0 18px 12px}
.pcard .dl{display:flex;gap:8px;padding:12px 18px 16px;margin-top:auto;border-top:1px solid #e6ecf4}
.pcard .dl a{flex:1;text-align:center;text-decoration:none;font-weight:800;border-radius:10px;padding:10px;background:var(--mist);color:var(--navy)}
.pcard .dl a:first-child{background:var(--navy);color:#fff}
.form{background:#fff;border-radius:18px;padding:18px;box-shadow:0 6px 20px #0F1C3314}
.form label{display:block;font-weight:800;color:var(--navy);margin:12px 0 6px}
.form input,.form select{width:100%;font:inherit;font-size:17px;padding:12px 14px;border-radius:12px;border:1.5px solid #c9d5e6;background:#fbfdff}
.out{margin-top:16px;background:var(--navy);color:#fff;border-radius:16px;padding:18px;font-size:20px;line-height:1.45;font-weight:600}
.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;background:var(--gold);color:var(--mid)}
.btn.sec{background:var(--mist);color:var(--navy)}
.q{background:#fff;border-radius:18px;padding:18px;margin-bottom:14px;box-shadow:0 6px 20px #0F1C3314}
.q h3{margin:0 0 12px;font-size:18px;color:var(--navy);line-height:1.35}
.q button.opt{display:block;width:100%;text-align:left;border:1.5px solid #c9d5e6;background:#fbfdff;border-radius:12px;padding:12px 14px;margin-bottom:8px;font-size:16px;line-height:1.4}
.q button.opt.right{border-color:#2f855a;background:#e6f6ec}
.q button.opt.wrong{border-color:var(--red);background:#fbeaea}
.q .why{display:none;font-size:15px;color:var(--ink);background:var(--mist);border-radius:10px;padding:10px 12px}
.q.done .why{display:block}
.score{font-weight:800;color:var(--navy);font-size:18px;margin:6px 0 14px}
.story{background:#fff;border-radius:18px;padding:18px;margin-bottom:14px;box-shadow:0 6px 20px #0F1C3314;border-left:8px solid var(--gold)}
.story h3{margin:0 0 8px;color:var(--navy)}.story p{margin:0 0 8px;line-height:1.5}
.story details summary{font-weight:800;color:var(--blue);cursor:pointer}
.refs li{margin-bottom:10px;line-height:1.5}
.support-box{background:var(--navy);color:#fff;border-radius:18px;padding:18px;margin-bottom:16px}
.support-box a{color:var(--gold);font-weight:800;font-size:22px;text-decoration:none}
.note{font-size:13px;color:var(--muted);margin-top:18px}
@media print{.res-top,.dl,.dlall,.btnrow{display:none!important}body.res{background:#fff}}

/* light-plate fixes */
.light .backed div{background:#ffffffeb;border-color:#1F386426;box-shadow:0 10px 30px #1F386414}
.light .backed small{color:#8a6500}
.light .close .foot{color:var(--navy);text-shadow:none;font-size:48px}
.qrbox{flex-direction:column;align-items:flex-start;gap:22px}
.qrbox img{width:270px;height:270px}
.qrbox p{font-size:24px}
.qrbox code{font-size:17px}
.h-overlay.s4 .l2{color:#F2C6A0}
.h-overlay{left:86px;top:96px;font-size:118px;letter-spacing:-.025em}
.h-overlay.s4{font-size:104px}.h-overlay.s14{font-size:84px;top:150px;max-width:1100px}
.dark-text .h-overlay{color:#0F1C33;text-shadow:none}