:root{--bg:#fff;--fg:#1c1c1c;--muted:#5b5b5b;--accent:#0a6;--accent2:#c60;--soft:#f4f4f2;--card:#fff;--line:#e2e2de;--ink-on-accent:#fff;--font-body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-head:var(--font-body);--radius:14px;--maxw:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:17px;line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent2)}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5.2vw,3.6rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.2rem)}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
li{margin-bottom:.4em}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.narrow{max-width:800px}
.skip{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}
.top{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line)}
.topin{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.bm{width:34px;height:34px;color:var(--accent);display:inline-flex}
.bm svg{width:100%;height:100%}
.bt{display:flex;flex-direction:column;line-height:1.05;font-family:var(--font-head);font-size:.95rem}
.bt b{font-size:1.15rem}
.nav ul{display:flex;flex-wrap:wrap;gap:4px 18px;list-style:none;margin:0;padding:0}
.nav li{margin:0}
.nav a{color:var(--fg);text-decoration:none;font-size:.92rem;padding:6px 2px;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{border-color:var(--accent);color:var(--fg)}
.btn{display:inline-block;background:var(--accent);color:var(--ink-on-accent);padding:14px 26px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid var(--accent);transition:transform .2s,box-shadow .2s,background .2s;font-family:var(--font-body)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18);color:var(--ink-on-accent)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.ghost:hover{background:var(--accent);color:var(--ink-on-accent)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin:1.4em 0 1em}
.ph{margin:0;display:flex;justify-content:center;align-items:center;background:var(--soft);border-radius:var(--radius);padding:10px;overflow:hidden}
.ph img{width:auto;height:auto;max-width:100%;max-height:600px;object-fit:contain;border-radius:calc(var(--radius) - 4px)}
.ph.port img{max-height:640px}
.hero{padding:48px 0 56px;position:relative;overflow:hidden}
.heroin{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700;color:var(--accent);margin:0 0 14px}
.lede{font-size:1.18rem;color:var(--muted);max-width:60ch}
.herosmall{font-size:.9rem;color:var(--muted);max-width:56ch}
.heroart{position:relative}
.deco{position:absolute;pointer-events:none}
.sec{padding:64px 0}
.sec.alt{background:var(--soft)}
.sechead{max-width:720px;margin-bottom:28px}
.lead2{color:var(--muted);font-size:1.08rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.cards.three{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-decoration:none;color:var(--fg);transition:transform .25s,box-shadow .25s,border-color .25s}
a.card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(0,0,0,.12);border-color:var(--accent);color:var(--fg)}
.card p{color:var(--muted);font-size:.98rem;margin-bottom:.8em}
.card .num{display:block;font-family:var(--font-head);font-size:.9rem;color:var(--accent);margin-bottom:8px;font-weight:700}
.more{font-weight:700;color:var(--accent);font-size:.92rem}
.more::after{content:" \2192";display:inline-block;transition:transform .2s}
.card:hover .more::after{transform:translateX(4px)}
.steps{list-style:none;padding:0;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 20px;position:relative}
.steps li::before{content:counter(s);display:inline-flex;width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--ink-on-accent);font-weight:800;align-items:center;justify-content:center;margin-bottom:12px;font-family:var(--font-head)}
.steps p{color:var(--muted);margin:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin:0}
.facts div{background:var(--card);border-left:4px solid var(--accent);padding:16px 20px;border-radius:0 var(--radius) var(--radius) 0}
.facts dt{font-weight:800;font-family:var(--font-head);margin-bottom:4px}
.facts dd{margin:0;color:var(--muted);font-size:.98rem}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.split.flip .splt{order:2}
.prose{max-width:760px}
.prose h2{margin-top:1.4em}
.prose h2:first-child{margin-top:0}
.small{font-size:.9rem;color:var(--muted)}
.ctaline{margin:1.6em 0}
.band{background:var(--accent);color:var(--ink-on-accent);padding:48px 0}
.bandin{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{margin:0 0 6px}
.band p{margin:0;max-width:60ch;opacity:.92}
.band .btn{background:var(--ink-on-accent);color:var(--accent);border-color:var(--ink-on-accent)}
.phead{padding:36px 0 40px;background:var(--soft)}
.phead.plain{padding:48px 0 24px}
.pheadin{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--muted)}
.article{display:grid;grid-template-columns:300px 1fr;gap:48px;padding-top:56px;padding-bottom:40px;align-items:start}
.side{position:sticky;top:90px;display:grid;gap:18px}
.takeaway,.toc{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--card)}
.takeaway{border-top:4px solid var(--accent)}
.th{font-weight:800;font-family:var(--font-head);margin:0 0 8px;font-size:1rem}
.takeaway ul,.toc ol{margin:0;padding-left:1.1em;font-size:.94rem}
.toc a{color:var(--fg);text-decoration:none}
.toc a:hover{color:var(--accent)}
.body{max-width:720px}
.body section{margin-bottom:38px;scroll-margin-top:90px}
.body .ph{margin:22px 0}
.note{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
.qa details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;padding:0 20px}
.qa summary{cursor:pointer;font-weight:700;padding:18px 0;font-family:var(--font-head);font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";color:var(--accent);font-size:1.5rem;line-height:1;transition:transform .25s}
.qa details[open] summary::after{transform:rotate(45deg)}
.ans{padding-bottom:6px;color:var(--muted)}
.foot{background:#111;color:#ddd;padding:48px 0 28px;margin-top:0}
.footin{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.foot a{color:#ddd;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot ul{list-style:none;padding:0;margin:0}
.fbrand{font-family:var(--font-head);font-size:1.3rem;color:#fff;margin-bottom:8px}
.fh{font-weight:800;color:#fff;margin-bottom:8px}
.fsmall{font-size:.92rem;color:#bbb}
.fine{grid-column:1/-1;font-size:.82rem;color:#999;border-top:1px solid #333;padding-top:18px;margin:8px 0 0}
.js .rv{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}
.js .card,.js .steps li,.js .facts div{opacity:0;transform:translateY(16px);transition:opacity .6s ease var(--d,0ms),transform .6s ease var(--d,0ms),box-shadow .25s,border-color .25s}
.js .card.in,.js .steps li.in,.js .facts div.in{opacity:1;transform:none}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}
@media (max-width:860px){
 .heroin,.pheadin,.split,.article,.footin{grid-template-columns:1fr}
 .side{position:static}
 .split.flip .splt{order:0}
 .sec{padding:44px 0}
 .hero{padding:28px 0 40px}
 .ph img{max-height:480px}
 .topin{padding-top:10px;padding-bottom:10px}
}
@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
 .js .rv,.js .card,.js .steps li,.js .facts div{opacity:1;transform:none}
}

/* Duty: deep slate, signal blue, mono labels */
:root{--bg:#0f1830;--fg:#e9eef9;--muted:#a9b6d1;--accent:#7fb2ff;--accent2:#ff5d6c;--soft:#15213f;--card:#18274a;--line:#2a3b66;--ink-on-accent:#0b1226;--font-body:"Inter",system-ui,sans-serif;--font-head:"Inter",system-ui,sans-serif;--radius:10px}
h1,h2,h3{font-weight:800;letter-spacing:-.025em}
.top{background:rgba(15,24,48,.95);border-bottom:1px solid var(--line);position:sticky}
.top::after{content:"";display:block;height:3px;background:linear-gradient(90deg,#3b6fe0 0 33%,#e8eefc 33% 66%,#e5414f 66%);background-size:200% 100%;animation:slide 8s linear infinite}
@keyframes slide{to{background-position:200% 0}}
.nav a,.eyebrow,.th,.crumbs,.num,.more{font-family:"IBM Plex Mono",ui-monospace,monospace}
.nav a{font-size:.78rem;color:var(--muted)}
.nav a:hover,.nav a[aria-current]{color:var(--fg);border-color:var(--accent2)}
.eyebrow{color:var(--accent);letter-spacing:.14em;font-size:.76rem}
.eyebrow::before{content:"> ";color:var(--accent2)}
.hero{background:radial-gradient(700px 360px at 85% 10%,rgba(80,130,255,.25),transparent),linear-gradient(180deg,#0f1830,#0b1226)}
.heroart{display:flex;flex-direction:column;gap:12px}
.heroart .ph{background:#0b1226;border:1px solid var(--line);position:relative}
.heroart .ph::after{content:"";position:absolute;left:10px;right:10px;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);top:10px;animation:sweep 5s ease-in-out infinite;opacity:.8}
@keyframes sweep{0%,100%{top:10px}50%{top:calc(100% - 12px)}}
.lightbar{position:static;display:flex;gap:6px;order:2}
.lightbar i{flex:1;height:8px;border-radius:4px;background:#3b6fe0;animation:pulse 1.4s ease-in-out infinite}
.lightbar i:nth-child(even){background:#e5414f;animation-delay:.7s}
.lightbar i:nth-child(3n){animation-delay:.35s}
.btn{border-radius:6px}
.btn.ghost{color:var(--accent);border-color:var(--accent)}
.card{background:var(--card);border-color:var(--line)}
.card .num{color:var(--accent2);font-size:.85rem}
.card p{color:var(--muted)}
.sec.alt{background:var(--soft)}
.steps li,.facts div{background:var(--card);border-color:var(--line)}
.facts div{border-left-color:var(--accent2)}
.ph{background:#0b1226;border:1px solid var(--line)}
.band{background:linear-gradient(95deg,#2349b8,#3b6fe0);color:#fff}
.band .btn{background:#fff;color:#1b3a9a;border-color:#fff}
.phead{background:linear-gradient(180deg,#15213f,#0f1830);border-bottom:1px solid var(--line)}
.takeaway,.toc{background:var(--card);border-color:var(--line)}
.takeaway{border-top-color:var(--accent2)}
.toc a{color:var(--fg)}
.qa details{background:var(--card)}
.foot{background:#070c1a}
.btn:hover{color:var(--ink-on-accent)}.btn.ghost:hover{color:#0b1226}.band .btn:hover{color:#1b3a9a}