:root{--bg:#F1F0FF;--surface:#FFFFFF;--ink:#1C1840;--muted:#5a5590;--accent:#3D2BFF;--accent2:#FF6B6B;--rule:#D2CFF5;--note:#FFF4C9;--note2:#FFE0DB;--note3:#E3DEFF;--display:"Hepta Slab",Georgia,serif;--body:"Atkinson Hyperlegible",system-ui,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.05rem/1.65 var(--body);overflow-x:hidden;background-image:radial-gradient(var(--rule) 1.2px,transparent 1.2px);background-size:22px 22px}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--accent2);outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:-999px;background:var(--accent);color:#fff;padding:.5rem 1rem;z-index:99}
.skip:focus{left:1rem;top:1rem}
h1,h2,h3{font-family:var(--display);line-height:1.12;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2.2rem,6vw,4.2rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3.4vw,2.2rem)}
h3{font-size:1.2rem}
p{max-width:64ch;margin:0 0 1em}
.wrap{width:min(1140px,100% - 2rem);margin:0 auto}
/* phase tabs */
.lab-top{background:var(--bg);border-bottom:2px solid var(--ink);position:sticky;top:0;z-index:30}
.lab-top .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.7rem}
.brand{font-family:var(--display);font-weight:800;color:var(--ink);text-decoration:none;font-size:1.1rem;display:flex;gap:.5rem;align-items:center;padding-bottom:.7rem}
.brand svg{width:30px;height:22px}
.menu-btn{display:none;font:700 .95rem var(--body);background:var(--ink);color:var(--bg);border:0;border-radius:6px;padding:.5rem .9rem;cursor:pointer;margin-bottom:.7rem}
.tabs{display:flex;list-style:none;margin:0;padding:0;gap:.25rem;align-self:flex-end}
.tabs a{display:block;padding:.55rem .9rem .5rem;border:2px solid var(--ink);border-bottom:0;border-radius:8px 8px 0 0;text-decoration:none;color:var(--ink);background:var(--surface);font-size:.9rem;line-height:1.2;position:relative;top:2px}
.tabs a small{display:block;font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.tabs a:hover{background:var(--note3)}
.tabs a[aria-current]{background:var(--bg);font-weight:700;border-bottom:2px solid var(--bg)}
.tabs a[aria-current] small{color:var(--accent2)}
@media(max-width:820px){
  .menu-btn{display:block}
  .tabs{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:var(--bg);border-bottom:2px solid var(--ink);padding:.5rem 1rem 1rem}
  .tabs.open{display:flex}
  .tabs a{border:2px solid var(--ink);border-radius:8px;top:0}
  .tabs a[aria-current]{border-bottom:2px solid var(--ink);background:var(--note3)}
}
/* report head */
.report-head{padding:clamp(2.5rem,7vw,5rem) 0 2rem;display:grid;gap:1.2rem}
@media(min-width:860px){.report-head{grid-template-columns:1fr 280px;align-items:end}}
.meta{background:var(--surface);border:2px solid var(--ink);border-radius:10px;padding:1rem 1.1rem;font-size:.88rem;box-shadow:5px 5px 0 var(--accent)}
.meta dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.25rem .8rem}
.meta dt{color:var(--muted)}
.meta dd{margin:0;font-weight:700}
.lead{font-size:1.2rem;color:var(--muted)}
/* hypothesis board */
.board-bar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1rem}
.board-bar span{font-weight:700;margin-right:.3rem}
.pill{font:700 .88rem var(--body);background:var(--surface);color:var(--ink);border:2px solid var(--ink);border-radius:999px;padding:.4rem .9rem;cursor:pointer}
.pill[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.board{display:grid;gap:1.4rem;padding:1rem 0 3rem}
@media(min-width:860px){.board{grid-template-columns:repeat(3,1fr)}}
.sticky{background:var(--note);padding:1.4rem 1.3rem 1.2rem;border-radius:3px;box-shadow:0 10px 22px -12px rgba(28,24,64,.45);transform:rotate(var(--r,-1deg));transition:transform .4s cubic-bezier(.3,1.4,.5,1),opacity .3s;position:relative}
.sticky:nth-child(2){--r:1.2deg;background:var(--note2)}
.sticky:nth-child(3){--r:-.6deg;background:var(--note3)}
.sticky::before{content:"";position:absolute;top:-10px;left:50%;width:70px;height:20px;transform:translateX(-50%) rotate(-2deg);background:rgba(61,43,255,.22)}
.sticky .label{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.sticky h2{font-size:1.35rem;margin:.4rem 0 .9rem}
.sticky dl{margin:0;font-size:.95rem}
.sticky dt{font-weight:700;margin-top:.5rem}
.sticky dd{margin:0}
.sticky.dim{opacity:.35}
.strike{position:relative;color:var(--muted)}
.strike::after{content:"";position:absolute;left:0;right:0;top:55%;height:2px;background:var(--accent2);transform:scaleX(0);transform-origin:left;transition:transform .6s ease .3s}
.in .strike::after{transform:scaleX(1)}
.instead{color:var(--accent);font-weight:700}
.index{border-top:2px solid var(--ink);padding:2.5rem 0 3rem}
.reports{list-style:none;padding:0;margin:0;display:grid;gap:.8rem}
.reports a{display:grid;gap:.2rem 1rem;grid-template-columns:1fr;padding:1rem 1.2rem;border:2px solid var(--ink);border-radius:10px;background:var(--surface);text-decoration:none;color:var(--ink)}
@media(min-width:700px){.reports a{grid-template-columns:10rem 1fr auto;align-items:center}}
.reports .code{font-family:var(--display);color:var(--accent2);font-weight:700}
.reports strong{font-family:var(--display);font-size:1.15rem}
.reports a:hover{background:var(--note3)}
/* discovery report */
.report{display:grid;gap:2rem;padding-bottom:3rem}
@media(min-width:900px){.report{grid-template-columns:220px 1fr}}
.toc{position:sticky;top:6rem;align-self:start;font-size:.92rem}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--rule)}
.toc a{display:block;padding:.3rem .9rem;text-decoration:none;color:var(--muted)}
.toc a:hover{color:var(--accent)}
@media(max-width:899px){.toc{position:static}}
.study{background:var(--surface);border:2px solid var(--ink);border-radius:12px;padding:clamp(1.2rem,3vw,2rem);margin-bottom:1.6rem;scroll-margin-top:7rem}
.study header{display:flex;flex-wrap:wrap;gap:.4rem 1rem;align-items:baseline;border-bottom:2px dashed var(--rule);padding-bottom:.8rem;margin-bottom:1rem}
.study header span{font-size:.8rem;color:var(--accent2);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.study h2{margin:0}
.amw{display:grid;gap:1rem}
@media(min-width:760px){.amw{grid-template-columns:1fr 1.3fr 1fr}}
.amw h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-family:var(--body)}
.amw ul{margin:0;padding-left:1.1rem}
.amw p,.amw li{font-size:.97rem}
/* kanban */
.kanban{display:grid;gap:1rem;padding-bottom:2rem}
@media(min-width:900px){.kanban{grid-template-columns:repeat(4,1fr)}}
.col{background:rgba(255,255,255,.6);border:2px solid var(--ink);border-radius:12px;padding:.9rem;min-height:12rem}
.col h2{font-size:1.05rem;display:flex;justify-content:space-between;border-bottom:2px solid var(--ink);padding-bottom:.5rem}
.col h2 span{font-family:var(--body);font-size:.8rem;color:var(--muted)}
.card{background:var(--surface);border:1.5px solid var(--rule);border-left:5px solid var(--accent);border-radius:6px;padding:.8rem;margin-top:.7rem;font-size:.93rem}
.card.c{border-left-color:var(--accent2)}
.card strong{display:block;font-family:var(--display);font-size:1rem;margin-bottom:.2rem}
.card .lane{display:inline-block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;background:var(--note3);border-radius:4px;padding:.05rem .4rem;margin-top:.4rem}
.card[hidden]{display:none}
.callout{background:var(--ink);color:var(--bg);border-radius:12px;padding:1.6rem;margin:1rem 0 3rem}
.callout a{color:#FFC7C7}
/* contact sentence */
.believe{background:var(--surface);border:2px solid var(--ink);border-radius:14px;padding:clamp(1.2rem,4vw,2.6rem);box-shadow:8px 8px 0 var(--accent2);margin-bottom:2rem}
.sentence{font-family:var(--display);font-size:clamp(1.25rem,3vw,1.9rem);line-height:1.9;margin:0 0 1.5rem}
.sentence label{display:inline}
.sentence input{font:inherit;font-family:var(--body);font-size:.85em;color:var(--accent);border:0;border-bottom:3px solid var(--accent);background:var(--bg);padding:0 .3rem;width:min(16ch,100%);max-width:100%}
.sentence input.wide{width:min(26ch,100%)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.fields{display:grid;gap:1rem;border-top:2px dashed var(--rule);padding-top:1.4rem}
@media(min-width:760px){.fields{grid-template-columns:1fr 1fr}.fields .full{grid-column:1/-1}}
.fields label{display:grid;gap:.3rem;font-weight:700}
.fields small{font-weight:400;color:var(--muted)}
.fields input,.fields textarea{font:inherit;border:2px solid var(--ink);border-radius:8px;padding:.65rem .8rem;background:var(--bg);color:var(--ink);width:100%}
.fields textarea{min-height:7rem}
.btn{font:700 1rem var(--body);background:var(--accent);color:#fff;border:2px solid var(--ink);border-radius:8px;padding:.8rem 1.3rem;cursor:pointer;box-shadow:4px 4px 0 var(--ink);text-decoration:none;display:inline-block}
.btn:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink)}
.status{min-height:1.4em;font-weight:700;color:var(--accent)}
.fine{font-size:.9rem;color:var(--muted)}
.contact-grid{display:grid;gap:2rem;padding-bottom:3rem}
@media(min-width:960px){.contact-grid{grid-template-columns:1.6fr 1fr}}
.registry{background:var(--note);border-radius:4px;padding:1.4rem;transform:rotate(.6deg);box-shadow:0 10px 22px -12px rgba(28,24,64,.45);align-self:start}
.registry dl{margin:0}
.registry dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:.8rem}
.registry dd{margin:0;font-weight:700;overflow-wrap:anywhere}
.prose{max-width:740px;padding-bottom:3rem}
.prose h2{margin-top:2rem}
footer{border-top:2px solid var(--ink);padding:2rem 0;font-size:.9rem;background:var(--surface)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.strike::after{transform:scaleX(1)}}