*{box-sizing:border-box} html{scroll-behavior:smooth}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
h1,h2,h3{margin:0} p{margin:0}
.nav{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 32px}
.links{display:flex;gap:28px}
.hero{min-height:880px;display:flex;flex-direction:column;justify-content:center;padding:120px 0 80px}
.kicker{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.hero h1 .li{display:block}
.meta{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:40px}
.sec{padding:104px 0}
.head{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:52px}
.head .sub{margin-left:auto;max-width:520px}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:52px}
.grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.items{display:flex;flex-direction:column;gap:28px}
.item .top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:28px}
.ledger{position:relative;display:grid;gap:8px;padding:22px 24px;max-width:760px}
.ln{display:grid;grid-template-columns:56px 76px 1fr;gap:18px;align-items:baseline}
.caption{margin-top:14px}
.honest{margin-top:44px;max-width:720px;padding:26px 28px}
.wlist{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px}
.w .num{display:block;margin-bottom:14px}
.tl .row{display:grid;grid-template-columns:110px 1fr;gap:30px;padding:24px 0}
.close{padding:120px 0 80px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}
.btn{text-decoration:none;padding:15px 26px}
footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:36px 32px 72px}
@media(prefers-reduced-motion:reduce){*{animation:none!important}}

:root{--ink:#0A0D13;--ink2:#0F131B;--line:rgba(230,233,240,.09);--fg:#E8EAEF;--dim:#9AA3B2;--faint:#5F6774;
  --acc:#63A9FF;--acc-soft:rgba(99,169,255,.12);--ok:#5BD68F;
  --disp:"Archivo","Helvetica Neue",Arial,sans-serif;--body:"Source Serif 4",Georgia,serif;--mono:"JetBrains Mono",Menlo,Consolas,monospace}
body{margin:0;background:var(--ink);color:var(--fg);font-family:var(--body);font-size:18px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none} a:hover{color:var(--acc)}
.bg{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(55vw 55vw at 82% -12%,rgba(99,169,255,.13),transparent 60%),
             radial-gradient(40vw 40vw at 6% 20%,rgba(91,214,143,.06),transparent 60%),
  repeating-linear-gradient(0deg,transparent 0 79px,rgba(255,255,255,.025) 79px 80px),
  repeating-linear-gradient(90deg,transparent 0 79px,rgba(255,255,255,.025) 79px 80px)}
main,footer,.nav{position:relative;z-index:1}
.nav{background:rgba(10,13,19,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{font-family:var(--disp);font-weight:700;font-stretch:112%;font-size:15px;letter-spacing:.08em;text-transform:uppercase}
.links a{font-family:var(--disp);font-size:13.5px;color:var(--dim);font-stretch:105%} .links a:hover{color:var(--fg)}
.cta{font-family:var(--mono);font-size:12px;letter-spacing:.06em;border:1px solid var(--line);border-radius:100px;padding:9px 16px}
.cta:hover{border-color:var(--acc);color:var(--acc)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:var(--acc)}
.rule{height:1px;width:52px;background:linear-gradient(90deg,var(--acc),transparent)}
.hero h1{font-family:var(--disp);font-weight:600;font-stretch:118%;font-size:clamp(46px,6.4vw,78px);line-height:.98;letter-spacing:-.035em}
.hero h1 em{font-style:italic;font-weight:500;color:var(--acc)}
.hero .lede{max-width:700px;margin-top:34px;font-size:21px;line-height:1.5;color:var(--dim);font-weight:300}
.hero .lede strong{color:var(--fg);font-weight:500}
.meta span{font-family:var(--mono);font-size:12.5px;color:var(--faint);letter-spacing:.03em}
.sec{border-top:1px solid var(--line)}
.head .num{font-family:var(--mono);font-size:13px;color:var(--acc);letter-spacing:.1em}
.head h2{font-family:var(--disp);font-weight:600;font-stretch:112%;font-size:clamp(30px,4.4vw,52px);letter-spacing:-.03em;line-height:1.02}
.head .sub{color:var(--dim);font-size:15.5px;font-family:var(--disp)}
.fit .lead{font-size:clamp(24px,3.2vw,38px);line-height:1.3;font-weight:300;letter-spacing:-.01em;max-width:940px}
.col h3{font-family:var(--disp);font-size:15px;font-stretch:112%;letter-spacing:.02em;margin-bottom:8px}
.col p{color:var(--dim);font-size:16.5px}
.item .name{font-family:var(--disp);font-weight:600;font-size:20px;font-stretch:108%;letter-spacing:-.01em}
.item .tag{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.14em;text-transform:uppercase}
.item p{color:var(--dim);font-size:16.5px}
.rulebox{background:var(--ink2);border:1px solid var(--line);border-radius:14px;padding:30px 30px 34px}
.rulebox .cap{font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--acc);margin-bottom:12px}
.rulebox p{font-size:19px;line-height:1.5}
.tile{border:1px solid var(--line);border-radius:14px;padding:26px 22px;background:linear-gradient(180deg,rgba(255,255,255,.035),transparent)}
.tile .n{font-family:var(--disp);font-weight:700;font-stretch:118%;font-size:clamp(34px,4vw,50px);letter-spacing:-.04em;line-height:1;color:var(--acc);font-variant-numeric:tabular-nums}
.tile .l{font-family:var(--disp);font-size:14.5px;font-weight:500;margin-top:10px}
.tile .s{font-size:13px;color:var(--faint);line-height:1.45;margin-top:5px;font-family:var(--disp)}
.ledger{background:rgba(15,19,27,.86);border:1px solid var(--line);border-radius:14px;font-family:var(--mono);font-size:13.5px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.ln{opacity:0;transform:translateY(4px);animation:ln 14s cubic-bezier(.22,1,.36,1) infinite;animation-delay:calc(var(--i) * 1.6s)}
.ln .t{color:var(--faint)} .ln .k{color:var(--acc);text-transform:uppercase;letter-spacing:.08em;font-size:11.5px} .ln .d{color:var(--fg)}
.ln:last-child .k{color:#F2B84B}
@keyframes ln{0%{opacity:0;transform:translateY(4px)}4%,78%{opacity:1;transform:none}86%,100%{opacity:0}}
.cur{width:8px;height:15px;background:var(--acc);animation:blink 1.1s steps(2) infinite;margin-top:2px}
@keyframes blink{to{opacity:0}}
.caption{font-family:var(--disp);font-size:13.5px;color:var(--faint)}
.honest{border:1px solid var(--line);border-radius:14px}
.honest h3{font-family:var(--disp);font-size:15px;font-stretch:112%;margin-bottom:10px}
.honest p{color:var(--dim);font-size:16px}
.w .num{font-family:var(--mono);font-size:12px;color:var(--acc);letter-spacing:.1em}
.w h3{font-family:var(--disp);font-weight:600;font-size:18px;font-stretch:108%;margin-bottom:8px}
.w p{color:var(--dim);font-size:15.5px;line-height:1.5}
.credit{margin-top:40px;font-family:var(--disp);font-size:11.5px;color:var(--faint);letter-spacing:.03em}
.tl .row{border-top:1px solid var(--line)} .tl .row:first-child{border-top:none;padding-top:0}
.tl .yr{font-family:var(--mono);font-size:13px;color:var(--acc);padding-top:6px}
.tl h3{font-family:var(--disp);font-weight:600;font-size:22px;font-stretch:105%;letter-spacing:-.015em;margin-bottom:4px}
.tl p{color:var(--dim);font-size:16px}
.close{border-top:1px solid var(--line)}
.close h2{font-family:var(--disp);font-weight:600;font-stretch:118%;font-size:clamp(44px,7vw,92px);letter-spacing:-.035em;line-height:1}
.close .lede{max-width:720px;margin-top:26px;font-size:20px;color:var(--dim);font-weight:300}
.btn{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;border-radius:100px;border:1px solid var(--line)}
.btn.solid{background:var(--acc);color:#07101C;border-color:var(--acc)} .btn.solid:hover{background:#8CC0FF}
.btn.ghost:hover{border-color:var(--acc);color:var(--acc)}
.aside{margin-top:30px;font-size:14.5px;color:var(--faint);font-family:var(--disp)} .aside a{color:var(--dim);border-bottom:1px solid var(--line)}
footer{border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--faint)}

/* Task 2 Step 3: CSS_A's .ln ships a decorative infinite loop for the always-on canvas
   artboard. A CSS animation targeting `opacity` wins over main.js's inline style.opacity
   for that same property, so left in place the ledger would loop every 14s instead of
   typing once (ruling 10). Neutralize it; the cursor's own .cur blink keyframe is untouched
   -- main.js only pauses/resumes it via animation-play-state, which doesn't conflict. */
.ln{opacity:1;transform:none;animation:none}

/* Task 2 Step 4: the <details> strengths expanders. CSS_A has no rule for them (the
   reference render doesn't have them - ruling 7 restores them in the build). Reuses only
   existing custom properties from CSS_A's :root. */
.w{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:transparent}
.w[open]{background:var(--ink2)}
.w summary{cursor:pointer;list-style:none;display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.w summary::-webkit-details-marker{display:none}
.w summary::after{content:"+";margin-left:auto;font-family:var(--mono);color:var(--acc);font-size:18px;line-height:1}
.w[open] summary::after{content:"\2013"}
.w .panel{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.w .panel .quote{font-style:italic;color:var(--fg);font-size:17px;line-height:1.5;margin:0 0 8px}
.w .panel .attrib{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:0 0 16px}
.w .panel p:not(.quote):not(.attrib){color:var(--dim);font-size:15.5px;line-height:1.55;margin:0 0 12px}
.w .panel p:last-child{margin-bottom:0}

/* Task 2 Step 5: CSS_A's .nav is sticky; ruling 11 says fixed top bar. 74px is a starting
   estimate for the nav's rendered height (padding:18px 32px + content); confirmed and left
   unchanged in Step 7's screenshot check below - it clears the hero's kicker line. */
.nav{position:fixed;top:0;left:0;right:0}
body{padding-top:74px}

/* Task 2 Step 6: mobile. Neither COMMON nor CSS_A has any @media rule beyond
   prefers-reduced-motion (confirmed during planning). */
@media(max-width:720px){
  .wrap{padding:0 20px}
  .nav{padding:14px 20px}
  .nav .links{display:none}
  .hero{min-height:auto;padding:100px 0 56px}
  .cols{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr 1fr}
  .wlist{grid-template-columns:1fr}
  .tl .row{grid-template-columns:1fr;gap:6px}
  .ln{grid-template-columns:44px 60px 1fr;gap:10px;font-size:12px}
  .close h2{font-size:clamp(36px,11vw,60px)}
}