/* The Neuropathy Notebook. Ruled notebook paper, always light (approved sketch, 09/10/2026).
   Eucalyptus for brand and links, marigold only on buy buttons. Article images max 360px. */
:root{
  --paper:#F4F6F5; --sheet:#FFFFFF; --ink:#1F2A33; --ink-2:#5B6770;
  --euc:#3F6F68; --euc-soft:#E3ECEA; --rule:#B9CCD6; --rule-soft:#DCE6EC;
  --mari:#E3A33A; --mari-hover:#ECB65A; --mari-ink:#1F2A33;
  --note:#FFF6DF; --note-edge:#E9CF8F; --note-ink:#8A5A00;
  --bar:#1F2A33; --bar-ink:#F4F6F5; --bar-accent:#9CC4BC;
  --display:"Literata", Georgia, "Times New Roman", serif;
  --body:"Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:19px;line-height:1.7;margin:0}
@media (max-width:600px){body{font-size:18px}}
a{color:var(--euc)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mari);outline-offset:2px}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--display);text-wrap:balance;line-height:1.2;margin:0}
p{margin:0 0 14px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--sheet);padding:8px 12px;z-index:50}
.wrap{max-width:1080px;margin:0 auto;padding-inline:16px}
.col{max-width:68ch;margin:0 auto}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--euc)}

/* header */
.site-head{background:var(--bar);color:var(--bar-ink)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:14px}
.logo{text-decoration:none;color:var(--bar-ink);font-family:var(--display);font-weight:700;font-size:1.25rem;line-height:1}
.logo i{font-style:normal;color:var(--bar-accent)}
.by-top{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--rule)}
.subnav{background:var(--paper);border-bottom:1px solid var(--rule)}
.subnav .wrap{padding-block:10px}
.subnav nav{display:flex;gap:18px;flex-wrap:wrap}
.subnav a{color:var(--ink-2);text-decoration:none;font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase}
.subnav a:hover{color:var(--euc)}
@media (max-width:760px){.subnav nav{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;gap:14px;padding-bottom:4px}}

/* ruled notebook sheet */
.ruled{background-color:var(--sheet);border:1px solid var(--rule);border-radius:8px;
  background-image:linear-gradient(to right,transparent 22px,var(--rule) 22px,var(--rule) 23px,transparent 23px),
  repeating-linear-gradient(to bottom,transparent 0,transparent 31px,var(--rule-soft) 31px,var(--rule-soft) 32px);
  padding:28px 24px 32px 46px;line-height:32px}
.ruled p,.ruled li{line-height:32px}
@media (max-width:600px){.ruled{padding:22px 16px 26px 36px;
  background-image:linear-gradient(to right,transparent 17px,var(--rule) 17px,var(--rule) 18px,transparent 18px),
  repeating-linear-gradient(to bottom,transparent 0,transparent 31px,var(--rule-soft) 31px,var(--rule-soft) 32px)}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 20px;border-radius:8px;font-weight:700;text-decoration:none;font-size:1rem;line-height:1.3;text-align:center}
.btn-cta{background:var(--mari);color:var(--mari-ink)}
.btn-cta:hover{background:var(--mari-hover)}
.btn-ghost{border:2px solid var(--euc);color:var(--euc);background:var(--sheet)}

/* home */
.hero{padding-block:44px 36px;border-bottom:1px solid var(--rule)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:36px;align-items:center}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin:6px 0 14px;line-height:1.15}
.hero .lead{font-size:1.08rem;color:var(--ink-2)}
.hero .ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.hello{background:var(--note);border:1px solid var(--note-edge);border-radius:6px;padding:22px;transform:rotate(-.6deg)}
.hello .who{display:flex;gap:14px;align-items:center;margin-bottom:10px}
.hello img{width:84px;height:84px;border-radius:50%;object-fit:cover;border:3px solid var(--sheet)}
.hello b{font-family:var(--display);font-size:1.15rem}
.hello small{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--note-ink)}
.hello p{font-size:1rem;margin:0}
section.block{padding-block:44px 8px}
section.block h2{font-size:clamp(1.5rem,3vw,2rem);margin:6px 0 20px}
.qlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));border-top:1px solid var(--rule)}
.qlist a{display:grid;gap:4px;padding:16px 14px 16px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.qlist a b{font-family:var(--display);font-size:1.08rem;color:var(--ink)}
.qlist a span{font-size:.92rem;color:var(--ink-2)}
.qlist a:hover b{color:var(--euc);text-decoration:underline;text-underline-offset:4px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:22px}
.card{background:var(--sheet);border:1px solid var(--rule);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto}
.card .t{padding:16px 18px 20px}
.card .t h3{font-size:1.12rem;margin:4px 0 6px}
.card .t p{font-size:.95rem;color:var(--ink-2);margin:0}
.card:hover h3{color:var(--euc)}
.strip{margin-top:44px;background:var(--euc-soft);border-block:1px solid var(--rule)}
.strip .wrap{padding-block:32px;display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;align-items:center}
.strip img{width:72px;height:72px;border-radius:50%;object-fit:cover}
.strip blockquote{margin:0;font-family:var(--display);font-size:clamp(1.1rem,2.4vw,1.4rem);line-height:1.4}
.strip cite{display:block;font-style:normal;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-top:8px}

/* article */
main.article{padding-block:8px 24px}
.crumb{font-family:var(--mono);font-size:.76rem;color:var(--ink-2);padding-block:22px 12px}
.crumb a{color:var(--ink-2)}
.post h1{font-size:clamp(1.9rem,5vw,2.7rem);font-weight:700;margin:0 0 14px;line-height:1.18}
.byline{font-family:var(--mono);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);display:flex;align-items:center;gap:10px;flex-wrap:wrap;line-height:1.5}
.byline img{width:32px;height:32px;border-radius:50%;object-fit:cover}
.byline a{color:var(--ink-2)}
.disclosure{font-size:.85rem;color:var(--ink-2);margin-top:12px;line-height:1.5}
figure{max-width:360px;margin:24px auto}
figure img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:6px}
figcaption{font-family:var(--mono);font-size:.72rem;color:var(--ink-2);margin-top:6px;line-height:1.4}
.post h2{font-size:1.55rem;margin:40px 0 10px;line-height:1.25}
.post h3{font-size:1.18rem;margin:26px 0 6px}
.post ul,.post ol{padding-left:1.3em;margin:0 0 16px}
.post li{margin-bottom:6px}
.qa{background:var(--euc-soft);border-left:4px solid var(--euc);padding:16px 18px;border-radius:0 6px 6px 0;margin:24px 0;line-height:1.65}
.qa .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--euc);margin-bottom:6px}
.qa p{margin:0;line-height:1.65}
.tbl{overflow-x:auto;border:1px solid var(--rule);border-radius:6px;background:var(--sheet);margin:18px 0}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.9rem;line-height:1.5}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule-soft);vertical-align:top}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);background:var(--paper)}
.nb{background:var(--note);border:1px solid var(--note-edge);border-radius:4px;padding:18px 20px;margin:34px 0;transform:rotate(-.3deg);line-height:1.65}
.nb .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--note-ink);margin-bottom:8px}
.nb p{line-height:1.65}
.nb p:last-child{margin-bottom:0}
.pick{background:var(--sheet);border:2px solid var(--euc);border-radius:8px;padding:22px;margin:28px 0;line-height:1.6}
.pick h3{font-size:1.25rem;margin:4px 0 10px}
.pick ul{margin:0 0 14px;padding-left:1.2em}
.pick li{line-height:1.55}
.pick .btn{width:100%}
.pick .small{font-size:.85rem;color:var(--ink-2);margin:10px 0 0;line-height:1.5}
.next{background:var(--sheet);border:1px solid var(--rule);border-radius:8px;padding:18px 20px;margin:36px 0;line-height:1.5}
.next ul{list-style:none;padding:0;margin:10px 0 0}
.next li{margin-bottom:12px}
.next a{font-family:var(--display);font-weight:700;text-decoration:none}
.next span{display:block;font-size:.9rem;color:var(--ink-2)}
.faq details{border-bottom:1px solid var(--rule);padding-block:12px;line-height:1.6}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:1.06rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--euc)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:10px 0 0;line-height:1.6}
.author{display:grid;grid-template-columns:88px minmax(0,1fr);gap:18px;align-items:start;background:var(--sheet);border:1px solid var(--rule);border-radius:8px;padding:20px;margin-top:40px;line-height:1.55}
.author img{width:88px;height:88px;border-radius:50%;object-fit:cover}
.author b{font-family:var(--display);font-size:1.12rem}
.author p{font-size:.95rem;margin:6px 0 0;line-height:1.55}
@media (max-width:520px){.author{grid-template-columns:1fr}}
.alarm{font-size:.95rem;border-top:1px solid var(--rule);padding-top:12px;margin-top:20px;color:var(--ink-2)}

/* footer */
.site-foot{margin-top:56px;background:var(--bar);color:var(--bar-ink)}
.site-foot .wrap{padding-block:32px;display:grid;gap:16px}
.site-foot .disc{font-size:.9rem;opacity:.85;max-width:80ch;margin:0}
.site-foot nav{display:flex;gap:18px;flex-wrap:wrap}
.site-foot nav a{color:var(--bar-ink);font-size:.9rem}
.site-foot small{font-size:.85rem;opacity:.7}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}