/* ============================================================
   MHABot guides
   Long-form reading. Wider measure than the app, larger type,
   and the same palette so it never feels like a different site.
   ============================================================ */
:root{
  --paper:#FCFBF9; --surface:#FFFFFF; --surface-2:#F5F4F0; --surface-3:#EDEBE5;
  --ink:#151A24; --ink-soft:#38414F; --slate:#626D7C; --slate-2:#8A93A0;
  --rule:#E3E1DB; --rule-2:#D3D0C8;
  --indigo:#3D3A8C; --indigo-soft:#EDECF8;
  --amber:#8F620A; --amber-soft:#FBF2DE; --amber-rule:#E8D3A0;
  --oxblood:#8A2F3C; --oxblood-soft:#FBEDEE;
  --green:#2F6B4F; --green-soft:#E8F4ED;
  --shadow:0 1px 2px rgba(21,26,36,.05), 0 2px 8px rgba(21,26,36,.04);
}
[data-theme="dark"]{
  --paper:#10131A; --surface:#161A23; --surface-2:#1C212B; --surface-3:#242A36;
  --ink:#E9EAEE; --ink-soft:#C6CAD3; --slate:#98A2B2; --slate-2:#6F7A8A;
  --rule:#282E3A; --rule-2:#333A48;
  --indigo:#9B97EA; --indigo-soft:#20203A;
  --amber:#D9A441; --amber-soft:#251E10; --amber-rule:#4A3B18;
  --oxblood:#E68C99; --oxblood-soft:#2A161A;
  --green:#7FCBA3; --green-soft:#12241B;
  --shadow:0 1px 2px rgba(0,0,0,.3);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:var(--indigo)}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}
:focus-visible{outline:2px solid var(--indigo);outline-offset:2px;border-radius:3px}

/* ---------- chrome ---------- */
.top{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 90%,transparent);
  backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--rule)}
.top-in{max-width:820px;margin:auto;padding:0 10px;height:60px;display:flex;align-items:center;gap:12px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.mark{width:29px;height:29px;border-radius:7px;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-family:Spectral,serif;font-size:16px;font-weight:600;padding-bottom:1px}
[data-theme="dark"] .mark{background:var(--indigo);color:#10131A}
.word{font-family:Spectral,serif;font-size:19px;font-weight:600;letter-spacing:-.015em}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{font-size:13.5px;color:var(--slate);text-decoration:none;padding:7px 11px;border-radius:7px}
.nav a:hover{color:var(--ink);background:var(--surface-2)}
.theme-btn{width:34px;height:34px;border-radius:8px;border:1px solid var(--rule);
  background:var(--surface);color:var(--slate);display:grid;place-items:center}
.theme-btn:hover{color:var(--ink);border-color:var(--rule-2)}
.theme-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
[data-theme="light"] .icon-moon{display:block}[data-theme="light"] .icon-sun{display:none}
[data-theme="dark"] .icon-moon{display:none}[data-theme="dark"] .icon-sun{display:block}

.crumbs{border-bottom:1px solid var(--rule);background:var(--surface-2)}
.crumbs-in{max-width:820px;margin:auto;padding:9px 10px;font-family:"IBM Plex Mono",monospace;
  font-size:10.5px;letter-spacing:.08em;color:var(--slate-2);
  white-space:nowrap;overflow-x:auto}
.crumbs a{color:var(--slate);text-decoration:none}
.crumbs a:hover{color:var(--indigo)}
.crumbs span{margin:0 6px;opacity:.6}
.crumbs em{font-style:normal;color:var(--indigo)}

/* ---------- article ---------- */
main{max-width:820px;margin:auto;padding:0 10px}
.art{padding:46px 0 40px}
.eyebrow{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.17em;
  text-transform:uppercase;color:var(--indigo)}
h1{font-family:Spectral,serif;font-weight:400;font-size:clamp(31px,5.6vw,50px);
  line-height:1.08;letter-spacing:-.024em;margin:18px 0 0;max-width:19ch}
.standfirst{font-size:19.5px;line-height:1.6;color:var(--ink-soft);margin:20px 0 0;max-width:60ch}
.byline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:24px 0 0;
  padding-bottom:26px;border-bottom:1px solid var(--rule);
  font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--slate-2)}
.byline .dot{opacity:.5}

h2{font-family:Spectral,serif;font-weight:400;font-size:clamp(24px,3.4vw,32px);
  letter-spacing:-.018em;line-height:1.2;margin:52px 0 14px;scroll-margin-top:80px}
h3{font-size:18.5px;font-weight:600;letter-spacing:-.01em;margin:34px 0 10px}
h4{font-size:16px;font-weight:600;margin:26px 0 8px}
p{margin:0 0 19px;color:var(--ink-soft)}
.art > p:first-of-type{margin-top:30px}
strong{color:var(--ink);font-weight:600}
ul,ol{margin:0 0 19px;padding-left:24px;color:var(--ink-soft)}
li{margin-bottom:9px}
li > ul,li > ol{margin-top:9px}

/* the on-page contents */
.toc{border:1px solid var(--rule);border-radius:13px;background:var(--surface-2);
  padding:20px 24px;margin:34px 0 40px}
.toc-k{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--slate-2);margin-bottom:11px}
.toc ol{margin:0;padding-left:20px;font-size:15.5px;line-height:1.55}
.toc li{margin-bottom:7px}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

/* callouts */
.box{border:1px solid var(--rule);border-left-width:3px;border-radius:12px;
  background:var(--surface);padding:19px 22px;margin:28px 0}
.box p:last-child{margin-bottom:0}
.box .k{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--slate-2);margin-bottom:9px}
.box.note{border-left-color:var(--indigo)}
.box.note .k{color:var(--indigo)}
.box.warn{border-left-color:var(--amber);background:var(--amber-soft);border-color:var(--amber-rule)}
.box.warn .k{color:var(--amber)}
.box.warn p,.box.warn li{color:var(--amber)}
.box.warn strong{color:var(--amber)}
.box.stop{border-left-color:var(--oxblood);background:var(--oxblood-soft);border-color:var(--oxblood)}
.box.stop .k{color:var(--oxblood)}
.box.stop p,.box.stop li,.box.stop strong{color:var(--oxblood)}

/* example phrasing */
.ex{border:1px solid var(--rule);border-radius:12px;overflow:hidden;margin:26px 0;background:var(--surface)}
.ex-h{padding:10px 16px;background:var(--surface-2);border-bottom:1px solid var(--rule);
  font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--slate-2)}
.ex-b{padding:18px 20px;font-family:Spectral,serif;font-size:17px;line-height:1.75;color:var(--ink-soft)}
.ex-b p{margin:0 0 12px;font-family:inherit;color:inherit}
.ex-b p:last-child{margin:0}

/* good/bad wording pairs */
.pair{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--rule);
  border:1px solid var(--rule);border-radius:12px;overflow:hidden;margin:26px 0}
.pair > div{background:var(--surface);padding:16px 18px}
.pair .k{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.13em;
  text-transform:uppercase;margin-bottom:9px}
.pair .no .k{color:var(--oxblood)}
.pair .yes .k{color:var(--green)}
.pair p{margin:0;font-family:Spectral,serif;font-size:16px;line-height:1.65}

/* questions to ask */
.qs{border-left:2px solid var(--indigo-soft);padding-left:20px;margin:24px 0}
[data-theme="dark"] .qs{border-left-color:var(--indigo)}
.qs-k{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--slate-2);margin-bottom:11px}
.qs p{font-family:Spectral,serif;font-size:17px;line-height:1.6;margin:0 0 11px;color:var(--ink-soft)}
.qs p:last-child{margin:0}

table{width:100%;border-collapse:collapse;font-size:15.5px;margin:26px 0}
th{text-align:left;font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--slate-2);font-weight:500;
  padding:0 12px 10px;border-bottom:1px solid var(--rule-2)}
td{padding:13px 12px;border-bottom:1px solid var(--rule);vertical-align:top;color:var(--ink-soft)}
tr:last-child td{border-bottom:0}
td strong{color:var(--ink)}

/* faq */
.faq{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;padding:17px 34px 17px 0;position:relative;
  font-size:17px;font-weight:600;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--indigo)}
.faq summary::after{content:"";position:absolute;right:6px;top:25px;width:9px;height:9px;
  border-right:1.8px solid var(--slate-2);border-bottom:1.8px solid var(--slate-2);
  transform:rotate(45deg);transition:transform .2s}
.faq[open] summary::after{transform:rotate(-135deg);top:28px}
.faq p{margin:0 0 16px;padding-right:30px}

/* cta */
.cta{border:1px solid var(--indigo);border-radius:14px;background:var(--indigo-soft);
  padding:24px 26px;margin:52px 0 0}
.cta-k{font-family:Spectral,serif;font-size:22px;letter-spacing:-.018em;margin-bottom:9px;color:var(--ink)}
.cta p{font-size:15.5px;color:var(--ink-soft);margin:0 0 17px}
.cta-b{display:inline-block;background:var(--ink);color:var(--paper);border-radius:9px;
  padding:12px 22px;font-size:14.5px;font-weight:600;text-decoration:none}
[data-theme="dark"] .cta-b{background:var(--indigo);color:#10131A}

.rels{margin:44px 0 0;padding-top:26px;border-top:1px solid var(--rule)}
.rels-k{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--slate-2);margin-bottom:14px}
.rel{display:block;text-decoration:none;color:inherit;padding:13px 0;border-bottom:1px solid var(--rule)}
.rel:last-child{border-bottom:0}
.rel:hover .rel-t{color:var(--indigo)}
.rel-k{display:block;font-family:"IBM Plex Mono",monospace;font-size:9px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--slate-2);margin-bottom:4px}
.rel-t{display:block;font-size:16.5px;font-weight:500;letter-spacing:-.01em}

.foot{margin-top:46px;padding-top:24px;border-top:1px solid var(--rule)}
.foot p{font-size:13px;line-height:1.65;color:var(--slate-2);margin:0 0 14px}
.foot strong{color:var(--slate)}
.foot .links a{color:var(--indigo);text-decoration:none;margin-right:18px;font-size:13px}
.foot .links a:hover{text-decoration:underline}

/* ---------- index ---------- */
.hero{padding:60px 0 10px}
.hero h1{max-width:16ch}
.cards{display:grid;gap:12px;margin:38px 0 0}
.card{display:block;border:1px solid var(--rule);border-radius:13px;background:var(--surface);
  padding:22px 24px;text-decoration:none;color:inherit;transition:.15s}
.card:hover{border-color:var(--indigo);box-shadow:var(--shadow)}
.card-k{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--indigo);margin-bottom:8px}
.card h2{font-family:Spectral,serif;font-weight:400;font-size:22px;letter-spacing:-.015em;
  margin:0 0 7px;line-height:1.25}
.card p{font-size:15px;color:var(--slate);margin:0;line-height:1.6}
.card-m{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--slate-2);margin-top:11px}

@media (max-width:640px){
  body{font-size:16.5px}
  .art{padding:32px 0 30px}
  .standfirst{font-size:18px}
  .pair{grid-template-columns:1fr}
  table{font-size:14.5px}
  th,td{padding-left:6px;padding-right:6px}
  .toc{padding:16px 18px}
  .box{padding:16px 18px}
  .ex-b{padding:15px 16px}
  .faq p{padding-right:0}
  .cta{padding:20px 18px}
}
@media (prefers-reduced-motion:reduce){*{transition:none !important;scroll-behavior:auto}}
@media print{
  .top,.crumbs,.cta,.rels,.theme-btn{display:none}
  body{background:#fff;color:#000;font-size:11pt}
  .art{padding:0}
  a{color:#000;text-decoration:none}
}