/* Catalyst Academy curriculum chrome.
   Conforms to files/catalyst-academy-style-guide.md. Tokens are imported, never
   redefined here. Do not add a color, a radius, or a shadow that the guide does not
   allow; bin/check-style.py will catch it. */
@import url('/assets/catalyst-tokens.css');
@import url('/assets/catalyst-lockup.css');

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0; background:var(--smoke); color:var(--paper);
    font-family:var(--font-body); font-size:18px; line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:var(--whiskey); text-decoration:none; border-bottom:1px solid rgba(212,165,116,0.35);}
  a:hover{color:var(--rust); border-bottom-color:var(--rust);}
  h1,h2,h3{font-family:var(--font-display); font-weight:400; line-height:1.12; letter-spacing:0.2px;}
  h1{font-size:clamp(2.4rem,5vw,3.9rem); margin:0 0 0.4em;}
  h2{font-size:clamp(1.7rem,3vw,2.5rem); margin:0 0 0.5em;}
  h3{font-size:1.28rem; margin:0 0 0.4em;}
  p{margin:0 0 1.05em;}
  .eyebrow{
    font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.32em;
    text-transform:uppercase; color:var(--rust); margin:0 0 1.1em; display:block;
  }
  .wrap{max-width:1020px; margin:0 auto; padding:0 28px;}
  .muted{color:rgba(247,245,242,0.6);}
  .lede{font-size:1.24rem; line-height:1.55; color:var(--paper); max-width:44ch;}

  /* site header */
  .sitehead{
    position:sticky; top:0; z-index:40; background:rgba(45,55,72,0.95);
    backdrop-filter:blur(12px); border-bottom:1px solid rgba(247,245,242,0.08);
  }
  .sitehead .wrap{display:flex; align-items:center; justify-content:space-between; height:72px; gap:16px;}
  .brand{font-family:var(--font-mono); font-size:0.74rem; letter-spacing:0.22em; text-transform:uppercase; color:rgba(247,245,242,0.6); text-decoration:none; border:0;}
  .brand b{color:var(--paper); font-weight:500;}
  .authstatus{font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.1em; color:rgba(247,245,242,0.6); display:flex; align-items:center; gap:12px;}
  .authstatus button{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--paper); background:rgba(247,245,242,0.03); border:1px solid rgba(247,245,242,0.12); border-radius:0; padding:7px 12px; cursor:pointer;}
  .authstatus button:hover{border-color:var(--rust); color:var(--rust);}

  /* Header navigation: reachable from every page, gated pages included, so no
     page is an upward dead end. */
  .headnav{display:flex; align-items:center; gap:18px; margin-left:auto;}
  .headnav a{font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.12em; text-transform:uppercase; color:rgba(247,245,242,0.6); border-bottom:1px solid transparent;}
  .headnav a:hover{color:var(--rust);}
  .headnav a.here{color:var(--paper); border-bottom-color:var(--rust);}
  .sitehead .authstatus{margin-left:18px; padding-left:18px; border-left:1px solid rgba(247,245,242,0.08);}

  /* Breadcrumbs: the full path, so either level is one click away. */
  .crumbs{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.12em; text-transform:uppercase; color:rgba(247,245,242,0.6); margin-bottom:26px; display:flex; flex-wrap:wrap; gap:8px; align-items:center;}
  .crumbs a{color:var(--whiskey); border-bottom:1px solid transparent;}
  .crumbs a:hover{border-bottom-color:var(--whiskey);}
  .crumbs .sep{color:rgba(247,245,242,0.12);}
  .crumbs .here{color:rgba(247,245,242,0.6);}

  /* Module to module, and the sequence chips on a reading. */
  .modnav{display:flex; justify-content:space-between; gap:14px; margin:52px 0 0; padding-top:26px; border-top:1px solid rgba(247,245,242,0.08); flex-wrap:wrap;}
  .modnav a{font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; padding:13px 20px; border-radius:0; border:1px solid rgba(247,245,242,0.12); background:rgba(247,245,242,0.03); color:var(--paper);}
  .modnav a:hover{border-color:var(--rust); color:var(--rust);}
  .modnav .spacer{flex:1;}
  .assigned{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin:0 0 20px;}
  .assigned .k{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.14em; text-transform:uppercase; color:rgba(247,245,242,0.6);}
  .assigned a{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.1em; text-transform:uppercase; padding:5px 12px; border-radius:0; border:1px solid rgba(247,245,242,0.12); color:var(--whiskey);}
  .assigned a:hover{border-color:var(--whiskey);}

  /* Within-module progress bar. Sticks directly under the site header, which is
     72px tall and z-40, so this sits at top:72px on z-39 and the two stack
     without overlapping as the page scrolls. The header grew from 62px to 72px
     when the co-brand lockup replaced the plain text brand; if it changes again,
     change this to match. */
  .seqbar{
    position:sticky; top:72px; z-index:39;
    background:rgba(26,26,26,0.94); backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(247,245,242,0.08);
  }
  .seqbar .wrap{display:flex; align-items:stretch; gap:0; padding:0 28px;}
  .seqstep{
    flex:1 1 0; min-width:0; position:relative;
    display:flex; flex-direction:column; justify-content:center; gap:7px;
    padding:15px 14px 13px; border:0;
    font-family:var(--font-mono); font-size:0.63rem; letter-spacing:0.13em;
    text-transform:uppercase; color:rgba(247,245,242,0.6);
    transition:color .15s ease, background .15s ease;
  }
  .seqstep .l{overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
  .seqstep .track{display:block; height:3px; border-radius:2px; background:rgba(247,245,242,0.08);}
  .seqstep:hover{color:var(--paper); background:rgba(247,245,242,0.03);}
  .seqstep.done{color:rgba(247,245,242,0.75);}
  .seqstep.done .track{background:var(--whiskey);}
  .seqstep.here{color:var(--paper); background:rgba(196,93,62,0.10);}
  .seqstep.here .track{background:var(--rust);}
  .seqstep.todo{color:rgba(247,245,242,0.35);}
  .seqstep.here::after{
    content:""; position:absolute; left:0; right:0; bottom:-1px; height:1px; background:var(--rust);
  }

  @media (max-width:820px){
    .seqbar .wrap{padding:0 14px;}
    .seqstep{font-size:0.55rem; letter-spacing:0.08em; padding:12px 8px 11px;}
  }
  @media (max-width:560px){
    .seqstep .l{display:none;}
    .seqstep{padding:11px 6px 10px; gap:0;}
    .seqstep .track{height:4px;}
    .seqstep.here .l{display:block;}
  }

  @media (max-width:700px){
    .headnav{gap:12px;}
    .headnav a{font-size:0.58rem;}
    .sitehead .wrap{height:auto; padding-top:12px; padding-bottom:12px; flex-wrap:wrap;}
    /* Below 700px the header wraps to an unpredictable height, so the progress bar
       cannot be pinned under it by a fixed offset; it stuck at 72px under a 105px
       header and was covered by 34px. It scrolls away with the page instead, which
       also stops two sticky bars eating a third of a phone viewport. */
    .seqbar{position:static;}
  }

  /* fail-closed gate: locked state is the default, content is hidden until authorized */
  .gate-locked{max-width:580px; margin:52px auto; text-align:center; border:1px solid rgba(247,245,242,0.12); border-radius:2px; padding:46px 34px; background:rgba(247,245,242,0.03);}
  .gate-locked .badge{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.18em; text-transform:uppercase; color:var(--whiskey); border:1px solid rgba(212,165,116,0.4); border-radius:2px; padding:5px 14px; display:inline-block; margin-bottom:22px;}
  .gate-locked h1{font-size:clamp(1.8rem,3.4vw,2.6rem); margin-bottom:12px;}
  .gate-locked p{color:rgba(247,245,242,0.6); max-width:42ch; margin:0 auto 20px;}
  .gate-locked input{width:100%; max-width:340px; background:var(--smoke); border:1px solid rgba(247,245,242,0.12); border-radius:0; color:var(--paper); font-family:var(--font-body); font-size:1rem; padding:13px 14px; margin-bottom:12px;}
  .gate-locked .signin{font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--paper); background:var(--rust); border:0; border-radius:0; padding:13px 24px; cursor:pointer;}
  .gate-locked .signin:hover{background:var(--whiskey);}
  .gate-locked .signin.alt{background:transparent; color:var(--paper); border:1px solid rgba(247,245,242,0.12);}
  .gate-locked .signin.alt:hover{background:rgba(247,245,242,0.03); border-color:var(--whiskey); color:var(--whiskey);}
  .gate-locked .altsep{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.14em; text-transform:uppercase; color:rgba(247,245,242,0.6); margin:22px auto 16px; position:relative;}
  .gatepick{margin-top:24px; padding-top:20px; border-top:1px solid rgba(247,245,242,0.08); display:flex; flex-direction:column; align-items:center; gap:10px;}
  .gatepick .dbtn{min-width:220px;}
  .gate-msg{font-family:var(--font-mono); font-size:0.66rem; color:rgba(247,245,242,0.6); margin-top:14px; min-height:1em;}
  .gate-content[hidden]{display:none;}

  main.page{padding:56px 0 92px;}
  .backlink{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--whiskey); display:inline-block; margin-bottom:26px; border:0;}
  .backlink:hover{color:var(--rust);}

  .stage{font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.2em; color:var(--whiskey); text-transform:uppercase;}

  /* the 20-30-40 proportion bar */
  .propbar{display:flex; height:66px; border:1px solid rgba(247,245,242,0.12); border-radius:2px; overflow:hidden; margin:26px 0 10px;}
  .propseg{display:flex; flex-direction:column; justify-content:center; padding:0 18px; border-right:1px solid rgba(247,245,242,0.12);}
  .propseg:last-child{border-right:0;}
  .propseg .n{font-family:var(--font-display); font-size:1.5rem; line-height:1;}
  .propseg .l{font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.14em; text-transform:uppercase; color:rgba(247,245,242,0.6); margin-top:5px;}
  .seg20{flex:20; background:rgba(157,180,192,0.18);}
  .seg30{flex:30; background:rgba(196,93,62,0.20);}
  .seg40{flex:40; background:rgba(212,165,116,0.16);}
  .propcaption{font-size:0.95rem; color:rgba(247,245,242,0.6); margin-top:6px;}

  /* generic grid + cards */
  .grid{display:grid; gap:18px; margin:34px 0;}
  .grid.two{grid-template-columns:repeat(2,1fr);}
  .grid.three{grid-template-columns:repeat(3,1fr);}
  .card{
    background:rgba(247,245,242,0.03); border:1px solid rgba(247,245,242,0.08); border-radius:2px; padding:24px 24px 22px;
  }
  .card.link{cursor:pointer; transition:border-color 0.2s ease, background 0.2s ease;}
  .card.link:hover{border-color:var(--rust); background:rgba(247,245,242,0.06);}
  .card .k{font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.18em; text-transform:uppercase; color:var(--rust); margin-bottom:10px;}
  .card h3{margin-bottom:6px;}
  .card p{margin:0; color:rgba(247,245,242,0.6); font-size:0.98rem;}
  .card .go{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--whiskey); margin-top:14px; display:inline-block;}

  /* numbered facts */
  .facts{margin:30px 0; border-top:1px solid rgba(247,245,242,0.08);}
  .fact{display:grid; grid-template-columns:64px 1fr; gap:18px; padding:20px 0; border-bottom:1px solid rgba(247,245,242,0.08); align-items:start;}
  .fact .fn{font-family:var(--font-mono); font-size:0.9rem; color:var(--rust); padding-top:4px;}
  .fact h3{font-size:1.12rem; margin-bottom:4px;}
  .fact p{margin:0; color:rgba(247,245,242,0.6); font-size:0.99rem;}
  .fact .ans{color:var(--whiskey); font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.1em; text-transform:uppercase; margin-top:8px; display:inline-block;}

  /* five Elements row */
  .elements{display:grid; grid-template-columns:repeat(5,1fr); gap:12px; margin:28px 0;}
  .el{border:1px solid rgba(247,245,242,0.08); border-radius:2px; padding:18px 14px; background:rgba(247,245,242,0.03);}
  .el .en{font-family:var(--font-display); font-size:1.15rem; color:var(--paper);}
  .el .ed{font-size:0.86rem; color:rgba(247,245,242,0.6); margin-top:6px;}
  .el .et{font-family:var(--font-mono); font-size:0.56rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--whiskey); margin-top:10px; display:block;}

  /* callout */
  .callout{border-left:3px solid var(--rust); background:rgba(247,245,242,0.03); padding:18px 22px; border-radius:0 2px 2px 0; margin:26px 0;}
  .callout .k{font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.16em; text-transform:uppercase; color:var(--rust); display:block; margin-bottom:6px;}

  /* block sections in the guide */
  .block{border:1px solid rgba(247,245,242,0.08); border-radius:2px; padding:0; margin:22px 0; overflow:hidden;}
  .block .bhead{display:flex; align-items:baseline; gap:16px; padding:20px 26px; background:rgba(247,245,242,0.03); border-bottom:1px solid rgba(247,245,242,0.08);}
  .block .bmin{font-family:var(--font-display); font-size:2rem; color:var(--rust); line-height:1;}
  .block .bmin small{font-family:var(--font-mono); font-size:0.6rem; color:rgba(247,245,242,0.6); letter-spacing:0.12em; display:block; text-transform:uppercase;}
  .block .bttl{font-family:var(--font-display); font-size:1.4rem;}
  .block .bbody{padding:22px 26px 26px;}
  .block .bbody p{color:rgba(247,245,242,0.6); font-size:1rem;}
  .fnote{background:rgba(157,180,192,0.10); border:1px solid rgba(157,180,192,0.28); border-radius:2px; padding:16px 20px; margin-top:16px;}
  .fnote .k{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--frost); display:block; margin-bottom:6px;}
  .fnote p{margin:0; font-size:0.94rem; color:rgba(247,245,242,0.6);}

  /* reading list */
  .reads{margin:24px 0;}
  .read{display:grid; grid-template-columns:120px 1fr; gap:20px; padding:18px 0; border-bottom:1px solid rgba(247,245,242,0.08); align-items:start;}
  .read .tag{font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.12em; text-transform:uppercase; padding-top:4px;}
  .tag.core{color:var(--rust);} .tag.req{color:var(--whiskey);} .tag.opt{color:rgba(247,245,242,0.6);}
  .read h3{font-size:1.1rem; margin-bottom:4px;}
  .read p{margin:0; color:rgba(247,245,242,0.6); font-size:0.95rem;}

  /* homework items */
  .hw{counter-reset:hw; margin:28px 0;}
  .hwitem{display:grid; grid-template-columns:56px 1fr; gap:18px; padding:22px 0; border-top:1px solid rgba(247,245,242,0.08);}
  .hwitem:last-child{border-bottom:1px solid rgba(247,245,242,0.08);}
  .hwitem .hn{counter-increment:hw; font-family:var(--font-display); font-size:1.8rem; color:var(--rust); line-height:1;}
  .hwitem .hn::before{content:counter(hw);}
  .hwitem h3{margin-bottom:6px;}
  .hwitem p{margin:0 0 8px; color:rgba(247,245,242,0.6); font-size:0.99rem;}
  .pill{display:inline-block; font-family:var(--font-mono); font-size:0.58rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--whiskey); border:1px solid rgba(212,165,116,0.35); border-radius:2px; padding:3px 10px; margin-top:4px;}
  .pill.req{color:var(--rust); border-color:rgba(196,93,62,0.4);}

  /* capstone build prompt */
  .promptblock{border:1px solid rgba(247,245,242,0.12); border-radius:2px; background:rgba(247,245,242,0.03); margin:24px 0 8px; overflow:hidden;}
  .promptbar{display:flex; align-items:center; justify-content:space-between; gap:16px; padding:11px 16px; border-bottom:1px solid rgba(247,245,242,0.12);}
  .promptname{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.12em; text-transform:uppercase; color:rgba(247,245,242,0.55);}
  .promptcopy{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--whiskey); background:transparent; border:1px solid rgba(247,245,242,0.2); border-radius:0; padding:6px 15px; cursor:pointer;}
  .promptcopy:hover{color:var(--rust); border-color:var(--rust);}
  .promptbody{padding:20px 18px 6px; font-family:var(--font-mono); font-size:0.84rem; line-height:1.7; color:rgba(247,245,242,0.78);}
  .promptbody p{margin:0 0 15px;}

  /* slide deck */
  .deckwrap{max-width:960px; margin:10px auto 0;}
  .deck{
    position:relative; aspect-ratio:16/9; width:100%;
    background:var(--ink);
    border:1px solid rgba(247,245,242,0.12); border-radius:2px; overflow:hidden;
  }
  .slide{position:absolute; inset:0; padding:54px 62px; display:none; flex-direction:column; justify-content:center;}
  .slide.on{display:flex;}
  .slide .seyebrow{font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.26em; text-transform:uppercase; color:var(--rust); margin-bottom:20px;}
  .slide h2{font-size:clamp(1.6rem,3.4vw,2.9rem); margin-bottom:14px; max-width:20ch;}
  .slide p{font-size:clamp(0.95rem,1.5vw,1.18rem); color:rgba(247,245,242,0.6); max-width:52ch; margin:0 0 0.7em;}
  .slide .big{font-family:var(--font-display); color:var(--whiskey); font-size:clamp(2rem,5vw,3.4rem); line-height:1;}
  .slide .rowmini{display:flex; gap:10px; margin-top:20px; flex-wrap:wrap;}
  .slide .chip{font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--paper); border:1px solid rgba(247,245,242,0.12); border-radius:2px; padding:8px 12px; background:rgba(247,245,242,0.03);}
  .slide .chip b{color:var(--rust); font-weight:500;}
  .slide .factline{display:grid; grid-template-columns:40px 1fr; gap:14px; margin:9px 0; align-items:baseline;}
  .slide .factline .fn{font-family:var(--font-mono); color:var(--rust); font-size:0.82rem;}
  .slide .factline span{font-size:clamp(0.9rem,1.4vw,1.08rem); color:var(--paper);}
  .slide .kicker{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--whiskey); margin-top:22px;}
  .slide .splitgrid{display:grid; grid-template-columns:1fr 1fr; gap:40px; margin-top:6px; align-items:start;}
  .slide .rowmini.stacked{flex-direction:column; align-items:flex-start; margin-top:0;}
  .slide .splitcol .factline{margin:9px 0;}
  .slide .splitcol .factline:first-child{margin-top:0;}
  .slide .chartwrap{margin:6px 0 4px;}
  .slide .chartlabel{font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.22em; text-transform:uppercase; color:var(--whiskey); text-align:center; margin-bottom:2px;}
  .slide .caption{font-style:italic; font-size:1rem; color:var(--paper); margin-top:10px;}
  .slide .legend{display:flex; gap:18px; justify-content:center; margin-top:6px; flex-wrap:wrap;}
  .slide .legend span{font-family:var(--font-mono); font-size:0.62rem; letter-spacing:0.06em; text-transform:uppercase; color:rgba(247,245,242,0.75); display:flex; align-items:center; gap:6px;}
  .slide .legend .sw{width:16px; height:2px; display:inline-block;}
  .slide .legend .sw.fluid{background:var(--rust);}
  .slide .legend .sw.crys{background:var(--frost);}
  .slide .legend .sw.ai{background:repeating-linear-gradient(90deg, var(--whiskey) 0 6px, transparent 6px 10px);}
  .slidenum{position:absolute; top:22px; right:26px; font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.14em; color:rgba(247,245,242,0.4);}
  .slidehint{position:absolute; bottom:18px; right:26px; font-family:var(--font-mono); font-size:0.58rem; letter-spacing:0.1em; color:rgba(247,245,242,0.4);}
  .deckctrl{display:flex; align-items:center; justify-content:space-between; margin-top:18px;}
  .deckctrl .btns{display:flex; gap:10px;}
  .dbtn{font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--paper); background:rgba(247,245,242,0.03); border:1px solid rgba(247,245,242,0.12); border-radius:0; padding:10px 16px; cursor:pointer;}
  .dbtn:hover{border-color:var(--rust); color:var(--rust);}
  .dbtn:disabled{opacity:0.3; cursor:not-allowed;}
  .dots{display:flex; gap:7px;}
  .dot{width:8px; height:8px; border-radius:50%; background:rgba(247,245,242,0.12); border:0; padding:0; cursor:pointer;}
  .dot.on{background:var(--rust);}

  /* debrief placeholder */
  .placeholder{border:1px dashed rgba(247,245,242,0.12); border-radius:2px; padding:44px 32px; text-align:center; background:rgba(247,245,242,0.03);}
  .placeholder .badge{font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.18em; text-transform:uppercase; color:var(--whiskey); border:1px solid rgba(212,165,116,0.35); border-radius:2px; padding:5px 14px; display:inline-block; margin-bottom:22px;}
  .videoframe{aspect-ratio:16/9; max-width:640px; margin:26px auto 8px; border:1px solid rgba(247,245,242,0.12); border-radius:2px; background:repeating-linear-gradient(135deg,rgba(247,245,242,0.02),rgba(247,245,242,0.02) 12px,transparent 12px,transparent 24px); display:flex; align-items:center; justify-content:center;}
  .playdisabled{width:66px; height:66px; border-radius:50%; border:2px solid rgba(247,245,242,0.4); display:flex; align-items:center; justify-content:center; color:rgba(247,245,242,0.4);}
  .playdisabled::after{content:""; border-left:16px solid rgba(247,245,242,0.4); border-top:10px solid transparent; border-bottom:10px solid transparent; margin-left:5px;}

  /* subscription stub */
  .capture{display:flex; gap:10px; margin-top:20px; max-width:460px; flex-wrap:wrap;}
  .capture input{flex:1; min-width:220px; background:rgba(247,245,242,0.03); border:1px solid rgba(247,245,242,0.12); border-radius:0; color:var(--paper); font-family:var(--font-body); font-size:1rem; padding:13px 14px;}
  .capture input::placeholder{color:rgba(247,245,242,0.4);}
  .capture button{font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--paper); background:var(--rust); border:0; border-radius:0; padding:0 22px; cursor:pointer;}
  .capture button:hover{background:var(--whiskey);}
  .stubnote{font-family:var(--font-mono); font-size:0.6rem; letter-spacing:0.08em; color:rgba(247,245,242,0.4); margin-top:8px;}

  footer{border-top:1px solid rgba(247,245,242,0.08); padding:30px 0 46px;}
  footer .wrap{display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;}
  footer p{margin:0; font-family:var(--font-mono); font-size:0.64rem; letter-spacing:0.08em; color:rgba(247,245,242,0.4);}

  .sectionlabel{font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.18em; text-transform:uppercase; color:rgba(247,245,242,0.6); margin:44px 0 4px;}

  /* reading pages + footer nav */
  .wrap.narrow{max-width:760px;}
  .crumb{color:var(--rust); cursor:pointer; border-bottom:1px solid transparent;}
  .crumb:hover{border-bottom-color:var(--rust);}
  .reading .essaybody{margin:26px 0 10px; font-size:1.06rem;}
  .reading .essaybody p{color:var(--paper);}
  .readnav{display:flex; justify-content:space-between; gap:14px; margin:44px 0 0; padding-top:24px; border-top:1px solid rgba(247,245,242,0.08); flex-wrap:wrap;}
  .rnav{font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; padding:14px 22px; border-radius:0; cursor:pointer; border:1px solid rgba(247,245,242,0.12);}
  .rnav.back{background:rgba(247,245,242,0.03); color:var(--paper);}
  .rnav.back:hover{border-color:var(--frost); color:var(--frost);}
  .rnav.next{background:var(--rust); color:var(--paper); border-color:var(--rust);}
  .rnav.next:hover{background:var(--whiskey); border-color:var(--whiskey);}

  @media (max-width:860px){
    .grid.two,.grid.three,.elements{grid-template-columns:1fr;}
    .slide .splitgrid{grid-template-columns:1fr;}
    .elements{grid-template-columns:repeat(2,1fr);}
    .slide{padding:34px 30px;}
    .read,.fact,.hwitem{grid-template-columns:1fr;}
    .read .tag,.fact .fn{padding-top:0;}
  }
  :focus-visible{outline:2px solid var(--whiskey); outline-offset:3px;}
  @media (prefers-reduced-motion:reduce){*{animation:none !important; scroll-behavior:auto;}}