/* Challenge pages: same paper/ink/yellow campaign language as the landing page. */
.masthead nav a[aria-current="page"]{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.nowrap{white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.giant{font:900 var(--t-h1)/.9 var(--display);letter-spacing:-.03em;margin:0;text-transform:uppercase;overflow-wrap:anywhere}
.marker{display:block;width:72px;height:11px;background:var(--yellow);margin:20px 0 20px}
.signal-bg{background:var(--yellow);padding:0 .08em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.lede{font:var(--t-lede)/1.65 var(--mono);max-width:42ch;margin:0 0 22px}
.search{font:500 var(--t-lede)/1.5 var(--mono);text-transform:uppercase;letter-spacing:.02em;max-width:32ch;margin:0 0 14px}
.actions{display:flex;gap:26px;align-items:center;flex-wrap:wrap;margin-top:8px}
.eyebrow a{border-bottom:1px solid currentColor}

.poster{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:6%;padding:44px 0 52px;border-bottom:1px solid var(--ink);align-items:center}
.poster .c-photo{max-width:400px;justify-self:end;width:100%}
.poster.day{grid-template-columns:1fr}
.poster.day .poster-copy{max-width:1100px}
.c-photo{margin:0;position:relative;background:#b5b3aa;aspect-ratio:4/5;overflow:hidden}
.c-photo img{display:block;width:100%;height:100%;object-fit:cover;filter:grayscale(1);mix-blend-mode:multiply}
.c-photo.tilt{transform:rotate(1.2deg);box-shadow:8px 8px 0 var(--ink)}
.c-photo:after{content:'';position:absolute;left:0;bottom:0;width:38%;height:10px;background:var(--yellow)}

.bibs{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:0;margin:0 0 22px;max-width:620px}
.bibs li{border:2px solid var(--ink);padding:14px 14px 16px;background:var(--paper);position:relative}
.bibs li:before,.bibs li:after{content:'';position:absolute;top:8px;width:7px;height:7px;border-radius:50%;background:var(--ink)}
.bibs li:before{left:8px}.bibs li:after{right:8px}
.bibs li:nth-child(2){background:var(--yellow)}
.bibs span{display:block;font-size:var(--t-meta);letter-spacing:.12em;margin:10px 0 8px;text-align:center}
.bibs strong{display:block;font:900 var(--t-h3)/.95 var(--display);text-transform:uppercase;text-align:center}

.clock{font-size:var(--t-label);letter-spacing:.1em;margin:0 0 10px}
.clock [data-left]{background:var(--ink);color:var(--paper);padding:3px 8px;margin-left:10px}
.tally{font-size:var(--t-label);letter-spacing:.1em;margin:0 0 18px}
.tally strong{font:900 var(--t-h3)/1 var(--display);margin-right:4px}
.stamp{display:inline-block;border:2px solid var(--ink);padding:10px 14px;font-size:var(--t-label);letter-spacing:.12em;transform:rotate(-1.5deg);margin:6px 0 22px}

.strip{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--ink)}
.strip p{margin:0;padding:22px 0;font-size:var(--t-label);letter-spacing:.1em}
.strip p+p{border-left:1px solid var(--ink);padding-left:22px}


.cats{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0;border-bottom:1px solid var(--ink)}
.cats a{border:1px solid var(--ink);padding:12px 16px;font-size:var(--t-label);letter-spacing:.12em;min-height:44px;display:inline-flex;align-items:center}
.cats a:hover,.cats a[aria-current="page"]{background:var(--ink);color:var(--paper)}

.grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;padding:28px 0 44px;margin:0}
.tile{display:flex}
.tile a,.tile.locked{flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-height:168px;padding:16px;border:2px solid var(--ink);transition:background .15s,transform .15s}
.tile a:hover{background:var(--yellow);transform:rotate(-1deg)}
.tile span{font-size:var(--t-meta);letter-spacing:.1em}
.tile strong{font:900 var(--t-h3)/.94 var(--display);text-transform:uppercase;overflow-wrap:anywhere}
.tile.locked{background:transparent;color:#696760;border:2px dashed #b8b4a9}
.tile.locked strong{color:#cbc6ba;font-size:64px;line-height:1}

.brief{display:grid;grid-template-columns:1fr 1fr;gap:6%;padding:48px 0;border-bottom:1px solid var(--ink)}
.brief h2,.runs h2,.recent h2{font-size:var(--t-label);letter-spacing:.14em;margin:0 0 14px}
.brief p{font-size:var(--t-body);line-height:1.65;margin:0 0 28px;max-width:60ch}
.brief .goal{font:900 var(--t-h3)/1.1 var(--display);text-transform:none}

.runs,.recent{padding:40px 0 56px}
.runs ol,.recent ol{list-style:none;padding:0;margin:0 0 24px;border-top:1px solid var(--ink)}
.runs li a,.recent li a{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line)}
.runs li a:hover,.recent li a:hover{background:var(--yellow)}
.runs strong,.recent strong{font:900 var(--t-h3)/1 var(--display);text-transform:uppercase}
.runs span,.recent span{font-size:var(--t-label);letter-spacing:.1em}

.daynav{display:flex;justify-content:space-between;gap:16px;padding:22px 0;font-size:var(--t-label);letter-spacing:.12em;border-bottom:1px solid var(--ink)}
.daynav a{min-height:44px;display:inline-flex;align-items:center}
.daynav a:hover{opacity:.6}

@media(max-width:850px){
  .poster{grid-template-columns:1fr;padding:36px 0 44px;gap:40px}
  .c-photo.tilt{max-width:460px;box-shadow:7px 7px 0 var(--ink)}
  .bibs{grid-template-columns:1fr}
  .bibs li{display:flex;align-items:center;gap:14px;padding:14px 24px}
  .bibs span{margin:0;text-align:left;white-space:nowrap}
  .bibs strong{text-align:left}
  .strip,.brief{grid-template-columns:1fr}
  .strip p+p{border-left:0;border-top:1px solid var(--ink);padding-left:0}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .tile a,.tile.locked{min-height:170px}
  .runs li a,.recent li a{grid-template-columns:1fr;gap:6px}
}
@media(prefers-reduced-motion:reduce){.tile a,.tile a:hover{transition:none;transform:none}}
@media(forced-colors:active){.tile.locked{border:2px solid CanvasText}.marker,.meter span.on{background:Highlight}}
/* The landing sheet makes h1>span block-level; keep the yellow full stop inline. */
.giant>span.signal{display:inline}
.giant>span.signal-bg{display:inline-block}
/* Full stop as the landing page draws it: a small yellow square, no second dot. */
.giant .signal{font-size:0}
.giant .signal::after{width:clamp(9px,1.05vw,18px);height:clamp(9px,1.05vw,18px);margin-left:4px}
.giant+.clock,.giant+.unlocked{margin-top:22px}
.unlocked{font:900 var(--t-h2)/1 var(--display);margin:14px 0 20px;text-transform:uppercase}
.progress{max-width:520px;margin:0 0 18px}
.ticks{display:flex;gap:3px;height:20px}
.ticks span{flex:1;background:var(--line)}
.ticks span.on{background:var(--yellow);box-shadow:inset 0 -4px 0 var(--ink)}
.clock{margin-top:6px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px}
.clock [data-left]{margin-left:0;white-space:nowrap}
.clock time{font-weight:500}
@media(max-width:850px){.poster .c-photo{justify-self:start;max-width:420px}.ticks{height:24px;gap:2px}}
.vault{padding:26px 0 50px}
.vault h2{font-size:var(--t-label);letter-spacing:.14em;margin:0 0 14px}
.vault ol{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(54px,1fr));gap:6px;padding:0;margin:0}
.vault li{aspect-ratio:1;border:1.5px dashed #b8b4a9;display:flex;flex-direction:column;align-items:center;justify-content:center;font:900 22px/1 var(--display);color:#bdb8ac}
.grid+.vault{padding-top:0}
@media(max-width:850px){.vault ol{grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:5px}.vault li{font-size:22px}}
/* Phones: keep the challenge and the grid close to the top. */
@media(max-width:850px){.hub .c-photo{display:none}.poster .c-photo{max-width:300px}}
.related{padding:0 0 48px}
.related h2{font-size:var(--t-label);letter-spacing:.14em;margin:0 0 14px}
.related ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0}
.related a{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;border:1px solid var(--ink);font:900 var(--t-h3)/1 var(--display);text-transform:uppercase}
.related a:hover{background:var(--yellow)}
h2.search{margin-top:0}

/* ---- One shell (27 Sep 2026): every page starts at the same height and reads from the same left edge. ---- */
.poster{align-items:start;padding-top:68px}
.reading{max-width:720px;padding:68px 0 72px}
.reading h1{font:900 var(--t-h1)/.92 var(--display);letter-spacing:-.02em;margin:0 0 28px;white-space:normal;text-transform:uppercase}
.reading h2{font:700 1.3rem/1.3 Inter,Arial,sans-serif;margin:40px 0 10px}
.reading p,.reading li{font-size:var(--t-body);line-height:1.7;max-width:68ch}
.reading a:not(.button){text-decoration:underline;text-underline-offset:3px}
.reading .doc-actions{margin-top:28px}
footer nav a{text-decoration:underline;text-underline-offset:4px}
@media(max-width:850px){.poster,.reading{padding-top:36px}}
/* Documents: title sits exactly where every other page's does. */
.reading h1{margin-top:0}
.reading .eyebrow{margin-bottom:18px}
.reading .eyebrow{line-height:1.6;font-size:var(--t-label);max-width:none}
.reading h1{line-height:.9}
@media(max-width:850px){.poster,.reading{padding-top:30px}}
@media(max-width:420px){footer nav{gap:14px}}