@font-face { font-family:Barlow; src:url('../portfolio/media/fonts/BarlowCondensed-SemiBold.ttf') format('truetype'); font-weight:600; font-display:swap; }
@font-face { font-family:Barlow; src:url('../portfolio/media/fonts/BarlowCondensed-BoldItalic.ttf') format('truetype'); font-weight:700; font-style:italic; font-display:swap; }
:root { color-scheme:light; --ink:#25344b; --muted:#59667a; --line:#d1dae5; --blue:#176199; --orange:#ff9c36; --paper:#f0f3f7; font-family:"Avenir Next",Avenir,"Segoe UI",sans-serif; color:var(--ink); background:#fff; font-synthesis:none; }
* { box-sizing:border-box; }
html { scroll-padding-top:100px; }
body { margin:0; font-size:16px; line-height:1.65; letter-spacing:0; -webkit-font-smoothing:antialiased; }
h1,h2,h3,p,figure,blockquote,dl,dd { margin:0; }
a { color:var(--blue); text-underline-offset:5px; }
a:hover { text-decoration-thickness:2px; }
a:focus-visible,summary:focus-visible { outline:3px solid var(--blue); outline-offset:4px; }
a,summary,label { touch-action:manipulation; }
.case-wrap { width:min(1120px,calc(100% - 80px)); margin-inline:auto; }
.case-header { position:sticky; top:0; z-index:5; background:#fff; border-bottom:1px solid var(--line); }
.header-inner { display:flex; justify-content:space-between; align-items:center; gap:20px; min-height:76px; }
.identity { font-size:17px; font-weight:650; color:var(--ink); text-decoration:none; display:flex; align-items:center; min-height:44px; }
nav { display:flex; gap:24px; }
nav a { display:inline-flex; min-height:44px; min-width:44px; align-items:center; justify-content:center; color:var(--ink); font-size:14px; text-decoration:none; }
.skip-link { position:fixed; left:16px; top:-100px; z-index:10; padding:12px 20px; color:#fff; background:var(--ink); }
.skip-link:focus { top:12px; }
.case-intro { padding:40px 0 32px; }
.context { font-size:13px; color:var(--muted); }
h1 { font:italic 700 76px/1 Barlow,sans-serif; margin:8px 0 14px; }
.lead { font-size:24px; line-height:1.4; max-width:42ch; text-wrap:balance; }
.actions { display:flex; align-items:center; flex-wrap:wrap; gap:12px 28px; margin-top:22px; }
.actions a, .primary-link { min-height:44px; display:inline-flex; align-items:center; font-size:14px; font-weight:650; }
.primary-link { padding:9px 22px; background:var(--orange); border:1px solid var(--orange); border-radius:3px; color:var(--ink); text-decoration:none; }
.primary-link:hover { background:#ffb15f; }
.overview { display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-top:30px; padding-top:22px; border-top:1px solid var(--line); }
dt { font-size:14px; font-weight:700; margin-bottom:5px; }
dd { font-size:15px; color:var(--muted); max-width:60ch; }
h2 { font:600 36px/1.1 Barlow,sans-serif; text-wrap:balance; }
h3 { font:600 25px/1.2 Barlow,sans-serif; }
.decision { border-top:4px solid var(--orange); padding:30px 0 40px; }
.section-intro { margin-bottom:20px; }
.decision-rationale { max-width:75ch; margin-top:24px; }
.story-copy>p { max-width:69ch; }
.valve-evidence { min-width:0; padding:0; margin:0; border:0; }
.valve-evidence legend { color:var(--muted); font-size:13px; padding:0; margin-bottom:10px; }
.state-options { display:flex; gap:4px; width:fit-content; padding:4px; margin-bottom:14px; background:var(--paper); border:1px solid var(--line); border-radius:4px; }
.state-options label { display:flex; align-items:center; justify-content:center; min-height:44px; width:150px; padding:8px 14px; font-size:14px; font-weight:650; border:1px solid transparent; border-radius:3px; cursor:pointer; }
.state-options input:checked+label { background:#fff; color:var(--blue); border-color:var(--blue); }
.state-options input:focus-visible+label { outline:3px solid var(--blue); outline-offset:2px; }
.visually-hidden { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; border:0; }
.state-figure { margin:0; }
.state-figure>a { display:block; }
.state-figure img { display:block; width:100%; height:auto; aspect-ratio:16/9; object-fit:contain; background:#080706; }
.state-figure figcaption { min-height:60px; padding-top:12px; font-size:14px; }
.state-out { display:none; }
.valve-evidence:has(#way-out:checked) .state-in { display:none; }
.valve-evidence:has(#way-out:checked) .state-out { display:block; }
.evidence-note { font-size:12px; color:var(--muted); }
.decision-notes { display:grid; grid-template-columns:1fr 1fr; gap:48px; margin-top:24px; font-size:15px; }
.decision-notes strong { display:block; margin-bottom:4px; }
.story-section { display:grid; grid-template-columns:280px minmax(0,1fr); gap:48px; padding:40px 0; border-top:1px solid var(--line); }
.story-copy>p+p { margin-top:16px; }
.story-copy>.primary-link { margin-top:20px; }
.plan-excerpt { margin:24px 0; padding:4px 0 4px 22px; border-left:4px solid var(--orange); }
.plan-excerpt figcaption { font-size:13px; color:var(--muted); margin-bottom:10px; }
blockquote { font-size:20px; line-height:1.5; }
.plan-excerpt p { margin-top:12px; color:var(--muted); font-size:14px; }
.plan-excerpt a { display:inline-flex; align-items:center; min-height:44px; font-size:14px; }
.review-criteria { margin:14px 0 0; padding-left:22px; }
.review-criteria li { padding:4px 0; }
.revisions { margin:24px 0; display:grid; gap:20px; }
.qualification { color:var(--muted); font-size:14px; }
.credits { background:transparent; }
details { margin-top:22px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
summary { min-height:48px; padding:12px 0; cursor:pointer; font-size:14px; font-weight:650; }
.tool-list { display:grid; gap:18px; padding:10px 0 24px; }
footer { display:flex; justify-content:space-between; align-items:center; gap:20px; border-top:1px solid var(--line); padding:24px 0; font-size:14px; }
footer a { display:inline-flex; align-items:center; min-height:44px; }
@media (max-width:800px) {
 .case-wrap { width:calc(100% - 40px); }
 .section-intro,.story-section { grid-template-columns:minmax(0,1fr); gap:20px; }
 .overview,.decision-notes { gap:24px; }
 .case-intro { padding-top:30px; }
 h1 { font-size:64px; }
 h2 { font-size:32px; }
 .story-section h2 br { display:none; }
}
@media (max-width:480px) {
 .header-inner { flex-wrap:wrap; gap:0; padding-block:10px; }
 .identity { font-size:16px; }
 nav { gap:8px; }
 nav a { font-size:13px; }
 h1 { font-size:56px; }
 .lead { font-size:21px; }
 .overview,.decision-notes { grid-template-columns:minmax(0,1fr); gap:20px; }
 .state-options { width:100%; }
 .state-options label { width:50%; }
 .state-figure figcaption { min-height:88px; }
 .story-section { padding-block:30px; }
 blockquote { font-size:18px; }
 footer { flex-wrap:wrap; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }