/* Shared styles for the case-study pages. Tokens mirror index.html; each page sets --accent (and its dark variant) in its own <style>. */

:root{--bg:#fcfbf9;--surface:#ffffff;--ink:#1c1917;--body:#44403c;--muted:#78716c;--line:#e7e3dd;--edge:#a8a29e;--bar:#d6d3d1;--warn:#d97706;--accent:#1c1917;--col:44rem;--wide:52rem;
--sans:"Onest",ui-sans-serif,system-ui,sans-serif;--mono:"Geist Mono",ui-monospace,SFMono-Regular,monospace}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#141210;--surface:#1c1917;--ink:#f5f3ef;--body:#d3cec6;--muted:#8f8880;--line:#2c2825;--edge:#57534e;--bar:#44403c;--warn:#fbbf24;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#141210;--surface:#1c1917;--ink:#f5f3ef;--body:#d3cec6;--muted:#8f8880;--line:#2c2825;--edge:#57534e;--bar:#44403c;--warn:#fbbf24;color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--body);font-family:var(--sans);font-size:1.02rem;line-height:1.7;-webkit-font-smoothing:antialiased;
padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--ink);text-decoration:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--ink);color:var(--bg);padding:.5rem .8rem;z-index:9}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);margin-inline:calc(-1 * max(16px,env(safe-area-inset-left,0px)));padding-inline:max(16px,env(safe-area-inset-left,0px))}
.top .in{display:flex;justify-content:space-between;align-items:center;gap:1rem;height:3.4rem;font-size:.9rem}
.top a{font-weight:600;color:var(--ink)}.top a span{color:var(--muted);font-weight:400;margin-right:.35rem}
.top .ext{font-weight:500;color:var(--muted)}.top .ext:hover{color:var(--ink)}
.in{max-width:var(--col);margin:0 auto}

.cs-head{padding-block:clamp(3rem,8vw,5.5rem) 1rem}
.eyebrow{display:flex;align-items:center;gap:.8rem;margin-bottom:1.6rem;font-family:var(--mono);font-size:.8rem;color:var(--muted);letter-spacing:.04em}
.eyebrow img{width:2.6rem;height:2.6rem;border-radius:.65rem;border:1px solid var(--line)}
h1{font-size:clamp(2rem,5vw,2.9rem);font-weight:600;letter-spacing:-.03em;line-height:1.12;margin:0;color:var(--ink);text-wrap:balance}
.lede{font-size:1.15rem;color:var(--ink);margin:1.4rem 0 0;max-width:60ch}

article h2{font-size:.78rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:3.5rem 0 1.2rem;font-family:var(--mono);scroll-margin-top:4.5rem}
article p{margin:0 0 1rem;max-width:62ch}
article strong{color:var(--ink);font-weight:600}
article ul,article ol{padding-left:1.2rem;margin:0 0 1rem;max-width:62ch}article li{margin:.4rem 0;padding-left:.2rem}
article ol li::marker{font-family:var(--mono);color:var(--muted);font-size:.85em}

.tbl{overflow-x:auto;margin:0 0 1.2rem}
table{width:100%;border-collapse:collapse;font-size:.94rem;line-height:1.5}
th,td{text-align:left;vertical-align:top;padding:.7rem 1rem .7rem 0;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-weight:500;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
td:first-child{color:var(--ink);font-weight:500}
td.num{font-variant-numeric:tabular-nums;color:var(--ink);text-align:right;padding-right:0;white-space:nowrap}
.glance td:first-child{width:7rem;color:var(--muted);font-weight:400;font-family:var(--mono);font-size:.82rem;padding-top:.85rem}
.glance td{color:var(--ink)}


.viz{margin:1.6rem 0;background:var(--surface);border:1px solid var(--line);border-radius:.9rem;padding:1rem;overflow-x:auto}
.viz svg{display:block;width:100%;height:auto;font-family:var(--sans)}
.viz figcaption{font-family:var(--mono);font-size:.75rem;color:var(--muted);margin-top:.6rem;line-height:1.4}
@media (max-width:640px){.viz svg{min-width:40rem}.viz.chart svg{min-width:34rem}}

.next{margin-top:4rem;padding:1.6rem 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.95rem}
.next a{border-bottom:1px solid var(--line)}.next a:hover{border-color:var(--ink)}

.contact{padding-block:clamp(3rem,8vw,5rem)}
.contact .label{font-size:.78rem;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 1.2rem;font-family:var(--mono)}
.contact p.big{font-size:clamp(1.4rem,3vw,2rem);font-weight:600;letter-spacing:-.02em;line-height:1.25;color:var(--ink);margin:0 0 1.2rem;max-width:26ch;text-wrap:balance}
.mail{font-family:var(--mono);font-size:1rem;color:var(--ink)}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.6rem}
.btn{display:inline-flex;align-items:center;font-weight:500;font-size:.92rem;padding:.6rem 1rem;border-radius:.55rem;border:1px solid var(--line);background:var(--surface);color:var(--ink);transition:border-color .15s}
.btn:hover{border-color:var(--ink)}.btn.pri{background:var(--ink);color:var(--bg);border-color:var(--ink)}
footer{border-top:1px solid var(--line);padding-block:1.5rem 3rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
footer nav{display:flex;gap:1.2rem}footer a{color:var(--muted)}footer a:hover{color:var(--ink)}
@media (max-width:640px){.top .ext{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
article code,.lede code{font-family:var(--mono);font-size:.86em;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:.3rem;padding:.05rem .3rem;white-space:nowrap}
.shot{margin:2rem 0 0;background:var(--surface);border:1px solid var(--line);border-radius:.9rem;overflow:hidden}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{font-family:var(--mono);font-size:.75rem;color:var(--muted);padding:.65rem 1rem;border-top:1px solid var(--line);line-height:1.4}