/* kitalik.com — design system, ported 1:1 from the approved mock (site/mock/kitalik.html)
   plus additive rules for the pages the mock didn't cover (how-it-works, faq, chair, 404,
   calculator, wallet ledger, breadcrumbs, a11y). Do not restyle what already exists below
   the "MOCK — verbatim" marker; only the sections after "ADDITIVE" are new. */

:root{--sky:#BFDCF5;--sky-2:#A6CBEC;--cloud:#FFFFFF;--ink:#14213D;--ink-2:#44546E;--paper:rgba(255,255,255,.82);--line:#7FAAD6;--rb:linear-gradient(90deg,#FF6B6B 0 16.6%,#FFB347 16.6% 33.3%,#FFE066 33.3% 50%,#7BD389 50% 66.6%,#6FB3F2 66.6% 83.3%,#B39DDB 83.3% 100%)}
*{box-sizing:border-box}html{background:var(--sky)}
body{margin:0;background:var(--sky);color:var(--ink);font-family:"Nunito",system-ui,sans-serif;font-size:17px;line-height:1.55;overflow-x:hidden}
h1,h2,.num{font-family:"Fredoka","Nunito",sans-serif;font-weight:700;letter-spacing:-.01em;text-wrap:balance}
a{color:var(--ink)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.tape{font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.08em;background:var(--ink);color:#fff;overflow:hidden;white-space:nowrap;padding:8px 0;border-bottom:5px solid;border-image:var(--rb) 1}
.tape span{display:inline-block;padding-right:48px}
@media(prefers-reduced-motion:no-preference){.tape .run{display:inline-block;animation:tape 42s linear infinite}@keyframes tape{to{transform:translateX(-50%)}}}
nav{max-width:1180px;margin:0 auto;padding:18px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px}
nav img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid #fff}
nav .who{font-family:"Fredoka",sans-serif;font-weight:700;font-size:20px;text-decoration:none;color:var(--ink)}nav .sp{flex:1}
nav a.nl{text-decoration:none;font-weight:800;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin-left:18px}nav a.nl:hover,nav a.nl[aria-current="page"]{color:var(--ink)}
@media(max-width:700px){
 nav .sp{flex-basis:100%;height:0}
 nav a.nl{margin-left:0;font-size:12.5px}
 nav .btn.rb{margin-left:0!important;padding:9px 16px;font-size:15px}
}
.btn{display:inline-block;font-family:"Fredoka",sans-serif;font-weight:700;font-size:17px;padding:12px 22px;border-radius:999px;text-decoration:none;border:2px solid var(--ink);background:#fff;color:var(--ink)}
.btn.rb{background:var(--rb);border-color:var(--ink);color:var(--ink);box-shadow:4px 4px 0 var(--ink)}
.btn.rb:hover{transform:translate(1px,1px);box-shadow:2px 2px 0 var(--ink)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.hero{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:center;padding:28px 0 20px;min-height:520px}
@media(max-width:860px){.hero{grid-template-columns:1fr;min-height:0}}
.hero h1{font-size:clamp(44px,7vw,84px);line-height:.98;margin:0 0 14px}
.hero h1 .rbt{background:var(--rb);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-stroke:1.5px var(--ink)}
.hero p{font-size:19px;max-width:44ch;margin:0 0 20px;color:var(--ink-2);text-wrap:pretty}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.cta small{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-2)}
.stage{position:relative;height:520px;pointer-events:none}.stage *{pointer-events:none}
@media(max-width:860px){.stage{height:420px}}
.stage picture{position:absolute}
.stage img{position:static;height:auto;width:100%;display:block}
.st-cat{width:58%;left:14%;bottom:6%;z-index:5;filter:drop-shadow(0 18px 18px rgba(20,33,61,.25))}
.st-cloud-a{width:70%;left:8%;bottom:-4%;z-index:4}
.st-cloud-b{width:34%;left:-6%;top:12%;z-index:1;opacity:.95}
.st-rainbow{width:74%;left:6%;top:6%;z-index:2}
.st-unicorn{width:27%;right:-3%;top:-3%;z-index:6}
.st-ufo{width:20%;left:2%;top:-2%;z-index:6}
.st-kitten{width:15%;right:1%;bottom:14%;z-index:3}
@media(prefers-reduced-motion:no-preference){
 .st-ufo{animation:bob 4s ease-in-out infinite}.st-unicorn{animation:bob 5s ease-in-out infinite reverse}.st-kitten{animation:bob 6s ease-in-out infinite}.st-cloud-b{animation:drift 18s ease-in-out infinite alternate}
 @keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes drift{to{transform:translateX(26px)}}}
.ribbon{background:var(--rb);border-top:3px solid var(--ink);border-bottom:3px solid var(--ink);margin:18px 0 0}
.ribbon ul{list-style:none;margin:0 auto;padding:0;max-width:1180px;display:grid;grid-template-columns:repeat(4,1fr)}
.ribbon li{font-family:"IBM Plex Mono",monospace;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;padding:12px 24px;display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:500}
.ribbon li::after{content:"→";margin-left:auto;font-size:16px}.ribbon li:last-child::after{content:""}
@media(max-width:860px){.ribbon ul{grid-template-columns:repeat(2,1fr)}}
section{padding:44px 0 8px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin:0 0 8px}
h2{font-size:clamp(30px,4vw,44px);margin:0 0 8px;line-height:1.05}h2 i{font-style:normal;background:var(--rb);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-stroke:1px var(--ink)}
.lede{max-width:64ch;color:var(--ink-2);margin:0 0 22px;text-wrap:pretty}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:860px){.tiles{grid-template-columns:repeat(2,1fr)}}
.tile{background:var(--paper);border:2px solid var(--ink);border-radius:18px;padding:18px 18px 16px;box-shadow:5px 5px 0 var(--ink);position:relative;overflow:hidden}
.tile .k{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.tile .num{font-size:clamp(21px,6.2vw,40px);line-height:1.1;margin:6px 0 4px;font-variant-numeric:tabular-nums;white-space:nowrap}
.tile .s{font-size:13.5px;color:var(--ink-2)}
.tile.hi{background:var(--rb)}.tile.hi .k,.tile.hi .s{color:var(--ink)}
.tile .bar{height:8px;border-radius:8px;margin-top:12px;background:#fff;border:1.5px solid var(--ink);overflow:hidden}.tile .bar i{display:block;height:100%;background:var(--rb)}
.wallet{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:center}
@media(max-width:860px){.wallet{grid-template-columns:minmax(0,1fr)}.wallet>*{min-width:0}.field{flex-wrap:wrap}.field input{flex:1 1 160px}}
.card{background:var(--paper);border:2px solid var(--ink);border-radius:22px;padding:22px;box-shadow:6px 6px 0 var(--ink)}
.field{display:flex;gap:10px;margin-top:12px}.field input{flex:1;font:inherit;padding:12px 14px;border:2px solid var(--ink);border-radius:999px;background:#fff;min-width:0}
.field button{font-family:"Fredoka",sans-serif;font-weight:700;font-size:16px;padding:12px 18px;border-radius:999px;border:2px solid var(--ink);background:var(--rb);color:var(--ink);cursor:pointer}
.mono{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ink-2)}
.llama{display:flex;gap:16px;align-items:center}.llama picture,.llama img{width:110px;flex:none}.llama img{height:auto;width:100%;display:block}
.chair{display:grid;grid-template-columns:1fr 1.3fr;gap:22px;align-items:start}
@media(max-width:860px){.chair{grid-template-columns:1fr}}
.chair .card p{margin:0 0 10px}.chair .card b{font-family:"Fredoka",sans-serif}
.charter{list-style:none;padding:0;margin:8px 0 0;counter-reset:a}.charter li{display:flex;gap:12px;padding:8px 0;border-top:1.5px dashed var(--line)}
.charter li::before{counter-increment:a;content:"art. " counter(a);font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.1em;color:var(--ink-2);min-width:64px;padding-top:4px}
.road{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:860px){.road{grid-template-columns:repeat(2,1fr)}}
.road{padding-top:34px}.road li{background:var(--paper);border:2px solid var(--ink);border-radius:18px;padding:16px;position:relative;min-height:150px;box-shadow:4px 4px 0 var(--ink)}
.road b{font-family:"Fredoka",sans-serif;font-size:22px;display:block;margin-bottom:6px}.road small{display:block;color:var(--ink-2);font-size:14px;line-height:1.45}
.road .sell{text-decoration:line-through}.road picture{position:absolute;right:10px;top:-54px;width:78px}.road picture img{height:auto;width:100%;display:block}
@media(max-width:600px){.road{padding-top:34px}.road picture{display:none}}
.tbl{overflow-x:auto;border:2px solid var(--ink);border-radius:16px;background:var(--paper)}
table{border-collapse:collapse;width:100%;font-family:"IBM Plex Mono",monospace;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:10px 14px;text-align:left;border-bottom:1.5px solid var(--line)}th{font-weight:500;color:var(--ink-2);font-size:12px;letter-spacing:.1em;text-transform:uppercase}td.n,th.n{text-align:right}tr:last-child td{border-bottom:0}
.wen{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}@media(max-width:860px){.wen{grid-template-columns:1fr}}
.wen div{background:var(--paper);border:2px solid var(--ink);border-radius:16px;padding:14px 16px}.wen dt{font-family:"Fredoka",sans-serif;font-weight:600;font-size:18px}.wen dd{margin:4px 0 0;color:var(--ink-2)}
footer{margin:56px 0 0;padding:22px 0 60px;border-top:3px solid var(--ink);font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ink-2);display:flex;gap:16px;align-items:center;flex-wrap:wrap}
footer picture,footer img{width:64px}footer img{height:auto;display:block}
/* MOCK — verbatim above this line (do not restyle). ADDITIVE below: new pages + widgets. */

.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:10px 16px;border-radius:0 0 10px 0;border:2px solid var(--ink);z-index:100;font-family:"Fredoka",sans-serif;font-weight:700}
.skip-link:focus{left:0}

header{position:relative}

.crumbs{font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--ink-2);padding:14px 0 0;letter-spacing:.03em}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.crumbs .sep{margin:0 6px;opacity:.6}

#definition{font-size:19px;max-width:68ch;color:var(--ink-2);margin:0 0 20px;text-wrap:pretty}
main>section:first-of-type #definition,.page-lede{margin-top:0}

.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.steps li{display:flex;gap:16px;align-items:flex-start;background:var(--paper);border:2px solid var(--ink);border-radius:18px;padding:16px 18px;box-shadow:4px 4px 0 var(--ink)}
.steps .n{font-family:"Fredoka",sans-serif;font-weight:700;font-size:22px;background:var(--rb);border:2px solid var(--ink);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;flex:none}
.steps b{font-family:"Fredoka",sans-serif;display:block;margin-bottom:2px}
.steps p{margin:0;color:var(--ink-2)}

.risk{background:var(--paper);border:2px solid var(--ink);border-radius:18px;padding:20px 22px;box-shadow:5px 5px 0 var(--ink)}
.risk p{margin:0 0 10px;color:var(--ink-2)}.risk p:last-child{margin-bottom:0}
.risk b{color:var(--ink)}

.qa-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.qa{background:var(--paper);border:2px solid var(--ink);border-radius:16px;padding:16px 18px}
.qa h3{font-family:"Fredoka",sans-serif;font-weight:600;font-size:18px;margin:0 0 6px}
.qa p{margin:0;color:var(--ink-2)}

.calc{margin-top:14px}
.calc .row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end;margin-top:14px}
.calc label{display:block;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin-bottom:6px}
.calc input[type="number"],.calc input[type="range"]{font:inherit;padding:10px 14px;border:2px solid var(--ink);border-radius:12px;background:#fff}
.calc input[type="number"]{width:14ch}
.calc input[type="range"]{width:100%;accent-color:#6FB3F2}
.calc .field-col{display:flex;flex-direction:column;flex:1;min-width:180px}
.calc .assumption{border-color:#B39DDB}
.calc .result{margin-top:16px;padding:16px 18px;border:2px dashed var(--line);border-radius:14px}
.calc .result .num{font-size:32px}
.calc .result .k{display:block}
.calc .note{margin-top:8px}

.ledger{margin-top:16px}
.ledger .status{margin:8px 0 0}
.data-unavailable{color:var(--ink-2);font-style:italic}

.schedule{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:8px}
.schedule li{display:flex;gap:14px;padding:8px 0;border-top:1.5px dashed var(--line)}
.schedule time{font-family:"IBM Plex Mono",monospace;font-size:13px;color:var(--ink-2);min-width:64px}

.essays{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:860px){.essays{grid-template-columns:1fr}}
.essays li{background:var(--paper);border:2px solid var(--ink);border-radius:16px;padding:16px}
.essays b{font-family:"Fredoka",sans-serif;display:block;margin-bottom:6px}
.essays small{color:var(--ink-2);display:block;margin-bottom:8px}
.essays .soon{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}

.notfound{padding:70px 0 40px;text-align:center}
.notfound h1{font-size:clamp(60px,10vw,120px);margin:0}
.notfound p{color:var(--ink-2);font-size:19px;max-width:50ch;margin:10px auto 24px}

footer .flinks{display:flex;gap:14px;flex-wrap:wrap;width:100%}
footer .flinks a{color:var(--ink-2);text-decoration:none}footer .flinks a:hover{text-decoration:underline}
footer .credit{width:100%}