:root{
  --navy:#141D3A; --navy2:#1C2850; --blue:#0174C2; --sky:#4DADE0; --gold:#EBBD5F;
  --pale:#DCEFF9; --mist:#F1F7FC; --ink:#26272B; --grey:#626A78; --line:#E2E8F0; --bad:#B42318;
  --r:14px; --shadow:0 1px 2px rgba(20,29,58,.06),0 8px 24px rgba(20,29,58,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:Figtree,"Segoe UI",Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;font-size:17px;line-height:1.6}
img{max-width:100%}
a{color:var(--blue)}
h1,h2,h3{color:var(--navy);line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h2{font-size:clamp(28px,4.2vw,44px);font-weight:800}
p{margin:0 0 1em}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.narrow{max-width:760px}
.kicker{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:.7em}
.kicker.light{color:var(--sky)} .kicker.gold{color:var(--gold)}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 22px;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;white-space:nowrap;text-decoration:none;color:var(--navy);font-weight:800;font-size:18px;letter-spacing:-.01em}
.topbar nav{display:flex;align-items:center;gap:18px}
.topbar nav a:not(.btn){color:var(--navy);text-decoration:none;font-weight:600;font-size:15px}
.brand-mark{display:none}
@media (max-width:560px){.brand-key{display:none}.brand-mark{display:block}.topbar nav a:not(.btn){display:none}.topbar{padding:10px 14px}.brand{font-size:16px}.topbar .btn-small{white-space:nowrap;padding:9px 12px;font-size:13px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;background:var(--navy);color:#fff;font:700 16px/1 Figtree,sans-serif;padding:15px 22px;text-decoration:none;cursor:pointer;transition:transform .15s ease,background .15s ease,box-shadow .15s}
.btn:hover{background:var(--navy2);transform:translateY(-1px)}
.btn:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.btn-small{padding:10px 14px;font-size:14px}
.btn-gold{background:var(--gold);color:var(--navy)} .btn-gold:hover{background:#f1c96f}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.55)} .btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-line{background:#fff;color:var(--navy);box-shadow:inset 0 0 0 2px var(--line)} .btn-line:hover{background:var(--mist)}
.btn[disabled]{opacity:.55;cursor:wait;transform:none}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 8px}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:clamp(70px,12vw,140px) 0 clamp(60px,9vw,110px)}
.hero h1{color:#fff;font-size:clamp(50px,9.5vw,124px);font-weight:800;letter-spacing:-.035em;margin:0 0 .15em;line-height:.95}
.hero .lede{font-size:clamp(19px,2.4vw,26px);line-height:1.45;color:var(--pale);max-width:760px}
.hero-meta{margin-top:28px;font-size:14px;color:#9FB3CF}
.hero-mark{position:absolute;right:-6%;top:50%;width:min(56vw,680px);transform:translateY(-50%) rotate(-12deg);opacity:.12;pointer-events:none}

/* chapters */
.chapter{padding:clamp(64px,9vw,112px) 0}
.chapter.tint{background:var(--mist)}
.chapter.dark{background:var(--navy);color:#fff}
.chapter.dark h2{color:#fff}
.two{display:grid;gap:40px;align-items:center}
@media (min-width:900px){.two{grid-template-columns:1.05fr 1fr}}
.mega{font-size:clamp(44px,7vw,76px);font-weight:800;color:var(--navy);line-height:1;margin-top:.3em}
.pull{font-size:clamp(22px,2.8vw,30px);font-weight:700;color:var(--navy);line-height:1.3;margin-top:44px;max-width:900px}
.pull span{color:var(--blue)}
.fine{font-size:14px;color:var(--grey);margin-top:18px;max-width:820px}
.hint{font-size:14px;color:var(--grey)} .hint.light{color:#9FB3CF}

/* chapter 1: the same house, dead vs. living capital */
.capital{display:grid;gap:20px;margin-top:28px}
@media (min-width:860px){.capital{grid-template-columns:1fr 1fr}}
.cap{margin:0;border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.cap.dead{background:#F3F4F6;color:#4B5563}
.cap.live{background:var(--navy);color:var(--pale);box-shadow:var(--shadow)}
.cap-art svg{display:block;width:100%;height:auto}
.cap-text{padding:22px 24px 4px;flex:1}
.cap-k{font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin:0 0 4px;color:#4B5563}
.cap.live .cap-k{color:var(--gold)}
.cap h3{font-size:clamp(24px,3vw,30px);font-weight:800;margin:0 0 10px}
.cap.dead h3{color:var(--ink)} .cap.live h3{color:#fff}
.cap-text>p{font-size:16px;line-height:1.55;margin:0 0 16px}
.cap.dead .cap-text>p{color:var(--ink)}
.cap ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:9px 14px;font-size:15.5px;line-height:1.3}
@media (max-width:420px){.cap ul{grid-template-columns:1fr}}
.cap li{display:flex;align-items:center;gap:9px}
.cap .mk{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:800}
.cap.dead .mk{background:#fff;color:#6B7280;border:1px solid #D1D5DB}
.cap.dead li{text-decoration:line-through;text-decoration-color:#9CA3AF}
.cap.live .mk{background:var(--gold);color:var(--navy)}
.cap.live li{font-weight:700;color:#fff}
.cap figcaption{padding:16px 24px 22px;font-weight:700;font-size:16.5px}
.cap.live figcaption{color:var(--gold)} .cap.dead figcaption{color:var(--ink)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.cap .deed{transition:opacity .9s,transform .9s;transition-delay:.3s}
.reveal:not(.in) .cap .deed{opacity:0;transform:translate(300px,10px) rotate(-6deg)}
.cap.live li{transition:opacity .5s, transform .5s;transition-delay:calc(.5s + var(--i) * .12s)}
.reveal:not(.in) .cap.live li{opacity:0;transform:translateX(8px)}
@media (prefers-reduced-motion:reduce){.cap .deed,.cap.live li{transition:none}}

.timeline{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:18px}
@media (min-width:860px){.timeline{grid-template-columns:repeat(4,1fr)}}
.timeline li{position:relative;background:#fff;border-radius:var(--r);padding:22px 20px 22px;box-shadow:var(--shadow);font-size:15.5px;line-height:1.5}
.timeline li b{display:block;color:var(--navy);font-size:17px;margin:2px 0 6px}
.timeline .yr{display:block;font-size:34px;font-weight:800;color:var(--navy);line-height:1}
.timeline .now{background:var(--navy);color:var(--pale)} .timeline .now b{color:#fff} .timeline .now .yr{color:var(--gold)}

.bars{margin:34px 0 10px;max-width:920px}
.bar-row{display:grid;grid-template-columns:110px 1fr auto;gap:14px;align-items:center;margin-bottom:14px}
.bar-label{font-weight:700;color:var(--navy)}
.bar{height:44px;background:var(--mist);border-radius:8px;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--navy);border-radius:8px;transition:width 1.4s cubic-bezier(.2,.8,.2,1)}
.bar.muted i{background:#9CA3AF;min-width:6px}
.reveal.in .bar i{width:var(--w)}
.bar-val{font-weight:800;font-size:20px;color:var(--navy);min-width:110px;text-align:right}
.caption{font-size:13px;color:var(--grey);margin-top:4px}
@media (max-width:560px){.bar-row{grid-template-columns:86px 1fr;}.bar-val{grid-column:2;text-align:left;font-size:18px;margin-top:-6px}}

.stats{display:grid;gap:16px;margin-top:28px}
@media (min-width:760px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat{background:#fff;border-radius:var(--r);padding:26px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px;font-size:16px;line-height:1.45}
.chapter:not(.tint) .stat:not(.dark){background:var(--mist);box-shadow:none}
.stat .num{font-size:clamp(42px,5vw,58px);font-weight:800;color:var(--navy);line-height:1}
.stat.dark{background:var(--navy);color:var(--pale)} .stat.dark .num{color:var(--gold)}

.news{display:grid;gap:12px;margin:26px 0;max-width:940px}
@media (min-width:860px){.news{grid-template-columns:1fr 1fr}}
.news>div{border:1px solid var(--line);border-radius:12px;padding:16px 18px;font-size:15px;line-height:1.5}
.news .date{display:block;font-weight:800;color:var(--blue);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px}
.versus{display:grid;gap:16px}
@media (min-width:860px){.versus{grid-template-columns:.8fr 1.4fr}}
.side{border-radius:var(--r);padding:26px}
.side.save{background:var(--mist);display:flex;flex-direction:column}
.side.save .scope{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:14.5px;color:var(--grey)}
.side.save .big{font-size:clamp(38px,5vw,52px);font-weight:800;color:var(--navy);line-height:1;margin:.1em 0 .3em}
.side.lose{background:var(--navy);color:var(--pale)}
.side.lose ul{margin:0;padding:0;list-style:none}
.side.lose li{padding:9px 0 9px 26px;position:relative;border-top:1px solid rgba(255,255,255,.1);line-height:1.45}
.side.lose li:first-child{border-top:0}
.side.lose li:before{content:"";position:absolute;left:0;top:18px;width:12px;height:3px;background:var(--sky)}
.side.lose b{color:#fff}

.cards4{display:grid;gap:14px;margin-top:28px}
@media (min-width:620px){.cards4{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.cards4{grid-template-columns:repeat(4,1fr)}}
.card{background:#fff;border-radius:var(--r);padding:22px;box-shadow:var(--shadow);font-size:15.5px;line-height:1.5}
.card b{display:block;font-size:19px;color:var(--navy);margin:12px 0 4px}
.card .n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;font-size:15px}

.why{margin:24px 0 0;font-size:clamp(19px,2.3vw,25px);line-height:1.55;color:#fff;max-width:920px;border-left:0;padding:0;position:relative}
.why:before{content:"\201C";display:block;font-size:3em;height:.55em;line-height:1;color:var(--gold);font-weight:800}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.bar i{transition:none}}

/* ======================= worksheet */
.worksheet{background:linear-gradient(180deg,var(--mist),#fff 340px);padding:clamp(56px,8vw,100px) 0 80px;scroll-margin-top:56px}
.ws-wrap{max-width:860px}
.stepper{list-style:none;display:flex;gap:6px;padding:0;margin:26px 0 18px;counter-reset:s;overflow-x:auto;scrollbar-width:none}
.stepper::-webkit-scrollbar{display:none}
.stepper li{flex:1 0 auto}
.stepper button{width:100%;border:0;background:#fff;border-radius:10px;padding:10px 12px;font:600 13px/1.2 Figtree,sans-serif;color:var(--grey);cursor:pointer;box-shadow:inset 0 0 0 1.5px var(--line);text-align:left;white-space:nowrap}
.stepper button span{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--sky);font-weight:800;margin-bottom:2px}
.stepper .on button{background:var(--navy);color:#fff;box-shadow:none}
.stepper .done button{color:var(--navy);box-shadow:inset 0 0 0 1.5px var(--sky)}
.panel{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:clamp(20px,4vw,36px);min-height:320px}
.panel h3{font-size:clamp(23px,3vw,30px);font-weight:800;margin-bottom:.3em}
.panel .sub{color:var(--grey);margin-bottom:1.2em}
.ws-nav{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px}
.saved{font-size:13px;color:var(--grey)}

.field{display:block;margin:0 0 16px}
.field>span{display:block;font-weight:700;color:var(--navy);font-size:15px;margin-bottom:6px}
.field>span small{font-weight:500;color:var(--grey);font-size:13px;margin-left:6px}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 13px;font:400 16px/1.4 Figtree,sans-serif;color:var(--ink);background:#fff;transition:border-color .15s}
.field textarea{min-height:84px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px rgba(77,173,224,.2)}
.grid2{display:grid;gap:0 14px}
@media (min-width:640px){.grid2{grid-template-columns:1fr 1fr}}
.item{border:1.5px solid var(--line);border-radius:14px;padding:18px 18px 4px;margin-bottom:14px;position:relative;background:#fff}
.item.hl{border-color:var(--sky);background:linear-gradient(180deg,#fff, #fbfdff)}
.item-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.item-head b{color:var(--navy);font-size:17px}
.x{border:0;background:none;color:var(--grey);font:600 14px Figtree,sans-serif;cursor:pointer;padding:6px}
.x:hover{color:var(--bad)}
.add{width:100%;border:2px dashed var(--line);background:#fff;border-radius:14px;padding:14px;font:700 15px Figtree,sans-serif;color:var(--blue);cursor:pointer}
.add:hover{border-color:var(--sky);background:var(--mist)}
.ideas{margin:4px 0 22px}
.ideas h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin:14px 0 8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:0;background:var(--mist);color:var(--navy);border-radius:999px;padding:9px 14px;font:600 14px/1.2 Figtree,sans-serif;cursor:pointer;box-shadow:inset 0 0 0 1.5px var(--pale)}
.chip:hover{background:var(--pale)}
.chip.endpoint{background:var(--navy);color:#fff;box-shadow:none}
.chip.endpoint:hover{background:var(--navy2)}
.chip[aria-pressed=true]{opacity:.45}
.tip{background:var(--mist);border-radius:12px;padding:14px 16px;font-size:15px;line-height:1.5;margin:0 0 18px;color:var(--navy)}
.tip b{color:var(--blue)}
.radios{display:grid;gap:8px;margin-bottom:16px}
.radios label{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;cursor:pointer;font-size:15.5px;line-height:1.4}
.radios label:has(input:checked){border-color:var(--sky);background:var(--mist)}
.radios input{margin-top:3px;accent-color:var(--navy)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px;margin:4px 0 18px}
.check input{margin-top:4px;accent-color:var(--navy);width:18px;height:18px}
.err{color:var(--bad);font-weight:600;font-size:15px;margin:10px 0 0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.preview-wrap{margin:18px 0;border:1.5px solid var(--line);border-radius:14px;overflow:hidden}
.preview-wrap iframe{width:100%;height:560px;border:0;display:block;background:#EEF2F7}
.fallbacks{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.fallbacks .btn{flex:1 1 200px}
.success{text-align:left}
.success .big{font-size:clamp(40px,7vw,64px);font-weight:800;color:var(--navy);line-height:1;margin:.1em 0 .25em}
.summary{display:grid;gap:10px;margin:18px 0}
.summary div{background:var(--mist);border-radius:12px;padding:14px 16px;font-size:15.5px}
.summary b{color:var(--navy)}

.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,40px);opacity:0;background:var(--navy);color:#fff;padding:12px 18px;border-radius:10px;font-weight:600;font-size:15px;transition:all .25s;z-index:50;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

.foot{background:#fff;border-top:1px solid var(--line);padding:40px 0 60px;font-size:14px;color:var(--grey)}
.foot summary{cursor:pointer;font-weight:700;color:var(--navy);margin:18px 0 8px}
.sources{padding-left:20px;line-height:1.55}
.legal{font-size:12px;margin-top:18px;max-width:900px}

@media print{.topbar,.hero,.chapter,.foot,.ws-nav,.stepper,.ws-head{display:none!important}}
.field input[type=radio],.field input[type=checkbox]{width:auto;flex:0 0 auto;padding:0}
.ws-nav .btn{white-space:nowrap}

.footbrand{display:flex;align-items:center;gap:8px;color:var(--navy);font-size:15px;margin:0}
.side.save p:last-child{margin-bottom:0}

/* ===== hub pages */
.topbar nav a[aria-current="page"]{color:var(--blue)}
.ro{margin-top:26px;max-width:920px;display:grid;gap:8px}
.ro-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ro-row span{padding:14px 16px;border-radius:10px;font-size:16px;line-height:1.4}
.ro-row span:first-child{background:#F3F4F6;color:var(--grey)}
.ro-row span:last-child{background:var(--pale);color:var(--navy);font-weight:700}
.ro-head span{background:none!important;padding:0 4px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;font-weight:800}
.ro-head span:last-child{color:var(--blue)}
.moves,.tools{display:grid;gap:16px;margin-top:28px}
@media (min-width:860px){.moves,.tools{grid-template-columns:repeat(3,1fr)}}
.move,.tool{display:block;background:#fff;border-radius:var(--r);padding:24px;box-shadow:var(--shadow);color:var(--ink);text-decoration:none;font-size:16px;line-height:1.5}
.chapter:not(.tint) .move{background:var(--mist);box-shadow:none}
.move .n{display:block;font-size:34px;font-weight:800;color:var(--sky);line-height:1;margin-bottom:10px}
.move b,.tool b{display:block;font-size:21px;color:var(--navy);margin-bottom:6px}
.move em,.tool em{display:block;font-style:normal;font-weight:700;color:var(--blue);margin-top:12px}
a.move:hover,a.tool:hover{transform:translateY(-2px);transition:transform .15s}
.tool{border:1.5px solid var(--line);box-shadow:none}
.tool.dark{background:var(--navy);color:var(--pale);border-color:var(--navy)} .tool.dark b{color:#fff} .tool.dark em{color:var(--gold)}
.session{background:var(--navy);color:var(--pale);padding:44px 0 30px}
.session h1{color:#fff;font-size:clamp(36px,6vw,58px);font-weight:800;margin:.1em 0 .3em}
.session p{max-width:700px;font-size:17px}
.worksheet.tight{padding-top:28px}
.worksheet.tight .ws-head h2{font-size:clamp(24px,3.4vw,34px)}
@media (max-width:560px){.ro-row span{font-size:15px;padding:12px}}
.worksheet.tight .ws-head{display:none}
.worksheet.tight .stepper{margin-top:0}
.footbrand{flex-wrap:wrap;row-gap:4px;line-height:1.5}