/* alinnitu.com — shared design system
   Independent engineering consultant × editorial minimalism.
   One stylesheet for every page: tokens, base, chrome, homepage sections, work page, articles. */

/* ---------- Tokens ---------- */
:root{
  --paper:#F7F6F2;        /* page */
  --paper-2:#EEEBE5;      /* secondary band */
  --paper-3:#E6E2DA;      /* pressed / code */
  --ink:#1B1C1D;          /* primary text */
  --ink-2:#3B3B39;        /* body copy */
  --muted:#6A6A66;        /* metadata (4.9:1 on paper) */
  --rule:#DDD8CF;         /* hairlines */
  --accent:#CF603F;       /* burnt orange, decorative + large text */
  --accent-ink:#AA4A2B;   /* orange for small text (5.3:1 on paper) */
  --night:#1B1C1D;        /* the one dark section */
  --night-ink:#F2F0EA;
  --night-muted:#A3A19B;
  --night-rule:#34353A;

  --sans:'Schibsted Grotesk',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Newsreader',ui-serif,Georgia,'Times New Roman',serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;

  --max:1240px;
  --gutter:clamp(20px,5vw,64px);
  --section:clamp(80px,10vw,136px);
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:500;letter-spacing:-.02em;text-wrap:balance}
::selection{background:var(--ink);color:var(--paper)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--paper);padding:10px 14px;z-index:100}
.skip:focus{left:8px}
.mono{font-family:var(--mono);font-size:13px;letter-spacing:0}
.muted{color:var(--muted)}

/* Text link with a drawn underline */
.link{background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:2px;transition:color .2s var(--ease),background-size .3s var(--ease)}
.link:hover{color:var(--accent-ink)}
.arrow{display:inline-block;transition:transform .25s var(--ease)}
a:hover .arrow{transform:translateX(3px)}
a:hover .arrow.down{transform:translateY(2px)}
a:hover .arrow.out{transform:translate(2px,-2px)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;min-height:48px;padding:12px 22px;font:500 15.5px/1 var(--sans);border:1px solid var(--ink);border-radius:2px;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--accent-ink);border-color:var(--accent-ink);color:#fff}
.btn-ghost{color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(247,246,242,.9);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--rule)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.wordmark{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:16px;letter-spacing:-.01em}
.wordmark .mark{width:24px;height:24px;display:grid;place-items:center;background:var(--accent);color:#fff;font:500 10.5px/1 var(--mono);letter-spacing:.02em}
.site-nav{display:flex;align-items:center;gap:28px;font-size:15px}
.site-nav a{color:var(--ink-2);transition:color .2s}
.site-nav a:hover{color:var(--ink)}
.site-nav a[aria-current="page"]{color:var(--ink)}
.site-nav .nav-cta{color:var(--ink);border:1px solid var(--ink);padding:7px 14px;border-radius:2px;transition:background-color .2s,color .2s}
.site-nav .nav-cta:hover{background:var(--ink);color:var(--paper)}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;font-size:15px;padding:8px 0;display:flex;align-items:center;gap:8px}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:"";width:14px;height:8px;background:linear-gradient(var(--ink),var(--ink)) 0 0/100% 1.5px no-repeat,linear-gradient(var(--ink),var(--ink)) 0 100%/100% 1.5px no-repeat}
.menu[open] summary::after{background:linear-gradient(var(--ink),var(--ink)) 0 50%/100% 1.5px no-repeat}
.menu-panel{position:absolute;right:0;top:calc(100% + 10px);background:var(--paper);border:1px solid var(--rule);min-width:200px;padding:8px 0;box-shadow:0 18px 40px -20px rgba(27,28,29,.25)}
.menu-panel a{display:block;padding:11px 18px;font-size:16px}
.menu-panel a:hover{background:var(--paper-2)}
@media (max-width:820px){.site-nav{display:none}.menu{display:block}}

/* ---------- Sections ---------- */
.section{padding:var(--section) 0;border-top:1px solid var(--rule)}
.section-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}
@media (min-width:960px){.section-grid{grid-template-columns:200px minmax(0,1fr);gap:0 72px}}
.label{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:500;color:var(--ink);letter-spacing:0;padding-top:.45em}
.label::before{content:"";width:16px;height:1px;background:var(--accent);flex:none}
@media (min-width:960px){.label{position:sticky;top:104px;align-self:start}}
.section-head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}
.section-head h2{font-size:clamp(28px,3.1vw,40px);line-height:1.12}
.section-head p{margin-top:16px;font-size:18px;line-height:1.55;color:var(--ink-2);max-width:60ch}
.serif-i{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}

/* ---------- Hero ---------- */
.hero{padding:clamp(56px,9vw,128px) 0 clamp(56px,7vw,96px)}
.eyebrow{font-size:15px;color:var(--ink-2);margin-bottom:28px;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.eyebrow b{font-weight:600;color:var(--ink)}
.eyebrow .dot{width:4px;height:4px;border-radius:50%;background:var(--rule)}
@media (max-width:560px){.eyebrow{flex-direction:column;align-items:flex-start;gap:2px}.eyebrow .dot{display:none}}
.hero h1{font-size:clamp(40px,5.6vw,76px);line-height:1.03;letter-spacing:-.035em;font-weight:500;max-width:15ch}
.hero h1 .serif-i{letter-spacing:-.02em}
.hero h1 .stop{color:var(--accent)}
.hero .lead{margin-top:28px;font-size:clamp(18px,1.5vw,21px);line-height:1.55;color:var(--ink-2);max-width:58ch}
.cta-row{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px 14px;align-items:center}
.cta-row .link{margin-left:10px;font-size:15.5px}
.facts{margin-top:clamp(64px,8vw,104px);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink)}
.facts div{padding:18px 20px 0 0}
.facts div+div{padding-left:20px;border-left:1px solid var(--rule)}
.facts dt{font-size:13.5px;color:var(--muted);margin-bottom:6px}
.facts dd{margin:0;font-size:16px;font-weight:500;line-height:1.35}
@media (max-width:760px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts div{padding:16px 12px 16px 0}.facts div+div{padding-left:0;border-left:0}.facts div:nth-child(even){padding-left:16px;border-left:1px solid var(--rule)}.facts div:nth-child(n+3){border-top:1px solid var(--rule)}}
@media (prefers-reduced-motion:no-preference){
  .hero .rise{opacity:0;transform:translateY(10px);animation:rise .8s var(--ease) forwards}
  .hero .rise:nth-child(2){animation-delay:.06s}.hero .rise:nth-child(3){animation-delay:.12s}.hero .rise:nth-child(4){animation-delay:.18s}.hero .rise:nth-child(5){animation-delay:.24s}
  @keyframes rise{to{opacity:1;transform:none}}
}

/* ---------- Expertise ---------- */
.expertise{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.expertise article{padding:28px 0 36px;border-top:1px solid var(--rule)}
.expertise .n{font:400 13px/1 var(--mono);color:var(--accent-ink);display:block;margin-bottom:18px}
.expertise h3{font-size:21px;line-height:1.25;font-weight:600;letter-spacing:-.015em}
.expertise p{margin-top:10px;color:var(--ink-2);font-size:16.5px;line-height:1.6;max-width:44ch}
@media (max-width:720px){.expertise{grid-template-columns:minmax(0,1fr)}}

/* ---------- Work list ---------- */
.work-list{border-bottom:1px solid var(--rule)}
.work-row{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:12px 48px;padding:32px 0;border-top:1px solid var(--rule)}
.work-row:first-child{border-top-color:var(--ink)}
.work-row h3{font-size:24px;line-height:1.2;font-weight:600;letter-spacing:-.02em}
.work-meta{margin-top:6px;font-size:14.5px;color:var(--muted)}
.work-meta .mono{font-size:13px}
.work-body p{color:var(--ink-2);font-size:16.5px;line-height:1.6;max-width:60ch}
.work-body ul{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.work-body li{display:grid;grid-template-columns:minmax(0,1fr);gap:2px;max-width:62ch}
.work-body li b{font-weight:600;color:var(--ink);font-size:15.5px}
.work-body li span{color:var(--ink-2);font-size:16.5px;line-height:1.55}
.work-links{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:15px}
.more{margin-top:32px;font-size:16px}
@media (max-width:760px){.work-row{grid-template-columns:minmax(0,1fr);padding:26px 0}}

/* ---------- Writing ---------- */
.posts{border-bottom:1px solid var(--rule)}
.post{display:grid;grid-template-columns:132px minmax(0,1fr) 180px;gap:8px 40px;padding:30px 0;border-top:1px solid var(--rule);transition:background-color .25s}
.posts .post:first-child{border-top-color:var(--ink)}
.post .date{font:400 13px/1.9 var(--mono);color:var(--muted)}
.post h3{font-family:var(--serif);font-weight:400;font-size:clamp(25px,2.3vw,31px);line-height:1.15;letter-spacing:-.01em;transition:color .2s}
.post h3 em{font-style:italic}
.post p{margin-top:10px;color:var(--ink-2);font-size:16px;line-height:1.55;max-width:62ch}
.post .cat{font-size:14px;line-height:1.5;color:var(--muted);text-align:right;padding-top:.3em}
.post .cat small{display:block;font-size:inherit}
a.post:hover h3{color:var(--accent-ink)}
.post.soon h3{color:var(--muted)}
.post.soon .date{font-style:normal}
@media (max-width:860px){.post{grid-template-columns:minmax(0,1fr);gap:6px}.post .cat{text-align:left;order:3}.post .date{order:-1}}

/* ---------- Projects ---------- */
.band{background:var(--paper-2);border-top:0}
.projects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px 48px}
.project figure{margin:0 0 24px;border:1px solid var(--rule);background:var(--paper);aspect-ratio:16/11;overflow:hidden}
.project figure img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .6s var(--ease)}
.project:hover figure img{transform:scale(1.015)}
.project .status{font-size:13.5px;color:var(--muted);display:flex;gap:8px;align-items:center;margin-bottom:10px}
.project .status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.project .status.beta::before{background:transparent;border:1.5px solid var(--accent)}
.project h3{font-size:23px;font-weight:600;letter-spacing:-.02em}
.project p{margin-top:8px;color:var(--ink-2);font-size:16.5px;line-height:1.6;max-width:48ch}
.project .work-links{margin-top:16px}
@media (max-width:760px){.projects{grid-template-columns:minmax(0,1fr)}}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px 64px;align-items:start}
.about figure{margin:0;max-width:400px}
.about figure img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 30%;filter:grayscale(.15)}
.about figcaption{margin-top:10px;font-size:13.5px;color:var(--muted)}
.about .pull{font-family:var(--serif);font-weight:400;font-size:clamp(26px,2.6vw,36px);line-height:1.2;letter-spacing:-.01em;color:var(--ink);text-wrap:pretty}
.about .pull em{font-style:italic;color:var(--accent-ink)}
.about .body{margin-top:28px;display:grid;gap:18px;color:var(--ink-2);font-size:17px;line-height:1.65;max-width:58ch}
.about .work-links{margin-top:28px}
@media (max-width:860px){.about{grid-template-columns:minmax(0,1fr)}.about figure{max-width:300px}}

/* ---------- Contact (the one dark section) ---------- */
.contact{background:var(--night);color:var(--night-ink);border-top:0}
.contact .label{color:var(--night-ink)}
.contact-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px 80px}
.contact h2{font-size:clamp(30px,3.4vw,46px);line-height:1.1;letter-spacing:-.025em}
.contact .intro{margin-top:18px;font-size:18px;line-height:1.55;color:var(--night-muted);max-width:46ch}
.email{display:inline-block;margin-top:40px;font-family:var(--serif);font-size:clamp(26px,3vw,40px);line-height:1.15;letter-spacing:-.01em;color:var(--night-ink);background:linear-gradient(var(--accent),var(--accent)) 0 100%/100% 1px no-repeat;padding-bottom:4px;transition:color .2s;word-break:break-word}
.email:hover{color:#F4A182}
.contact-links{margin-top:40px;display:flex;flex-wrap:wrap;gap:10px 28px;font-size:15.5px}
.contact-links a{color:var(--night-ink)}
.contact-links a:hover{color:#F4A182}
@media (max-width:900px){.contact-grid{grid-template-columns:minmax(0,1fr)}}

.form{display:grid;gap:22px;align-content:start}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.field{display:grid;gap:8px}
.field label,.field legend{font-size:14px;color:var(--night-muted);padding:0}
.field input,.field textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--night-rule);color:var(--night-ink);font:400 17px/1.5 var(--sans);padding:8px 0 10px;border-radius:0;transition:border-color .2s}
.field textarea{resize:vertical;min-height:120px;border:1px solid var(--night-rule);padding:12px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field [aria-invalid="true"]{border-color:#F08A68}
fieldset.field{border:0;margin:0;padding:0;min-width:0}
.choices{display:flex;flex-wrap:wrap;gap:8px}
.choices label{position:relative;cursor:pointer}
.choices input{position:absolute;opacity:0;pointer-events:none}
.choices span{display:inline-block;padding:8px 14px;border:1px solid var(--night-rule);font-size:14.5px;color:var(--night-ink);border-radius:2px;transition:background-color .2s,border-color .2s,color .2s}
.choices label:hover span{border-color:var(--night-muted)}
.choices input:checked+span{background:var(--night-ink);color:var(--night);border-color:var(--night-ink)}
.choices input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.form-foot{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
.btn-light{background:var(--night-ink);color:var(--night);border-color:var(--night-ink)}
.btn-light:hover{background:var(--accent-ink);border-color:var(--accent-ink);color:#fff}
.btn[disabled]{opacity:.6;cursor:progress}
.form-status{font-size:14.5px;color:#F4A182;min-height:1.4em}
.form-done{border:1px solid var(--night-rule);padding:28px}
.form-done h3{font-family:var(--serif);font-weight:400;font-size:30px;letter-spacing:-.01em}
.form-done p{margin-top:10px;color:var(--night-muted)}
.form-done button{margin-top:20px;background:none;border:0;color:var(--night-ink);font:500 15px var(--sans);padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:4px}

/* ---------- Footer ---------- */
.site-footer{background:var(--night);color:var(--night-muted);border-top:1px solid var(--night-rule)}
.footer-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 32px;padding-top:28px;padding-bottom:28px;font-size:14px}
.footer-in nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.footer-in a:hover{color:var(--night-ink)}
.site-footer.light{background:var(--paper);color:var(--muted);border-top:1px solid var(--rule)}
.site-footer.light a:hover{color:var(--ink)}

/* ---------- Work page ---------- */
.page-head{padding:clamp(56px,8vw,112px) 0 clamp(40px,5vw,72px)}
.page-head h1{font-size:clamp(36px,4.6vw,60px);line-height:1.06;letter-spacing:-.03em;max-width:18ch}
.page-head p{margin-top:22px;font-size:clamp(18px,1.5vw,20px);line-height:1.55;color:var(--ink-2);max-width:62ch}
.toc-inline{margin-top:36px;display:flex;flex-wrap:wrap;gap:8px 24px;font-size:15px}
.case h2{font-size:clamp(26px,2.8vw,36px);line-height:1.15;max-width:24ch}
.case .case-meta{margin-bottom:14px;font-size:14.5px;color:var(--muted)}
.case .case-lead{margin-top:18px;font-size:18px;line-height:1.6;color:var(--ink-2);max-width:64ch}
.case h3{margin-top:44px;font-size:19px;font-weight:600;letter-spacing:-.01em}
.case h3 .sub{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--muted);font-size:18px;margin-left:6px}
.case .prose{margin-top:12px;display:grid;gap:14px;max-width:66ch;color:var(--ink-2);font-size:16.5px;line-height:1.65}
.case ul.points{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:12px;max-width:68ch}
.case ul.points li{position:relative;padding-left:22px;color:var(--ink-2);font-size:16.5px;line-height:1.6}
.case ul.points li::before{content:"";position:absolute;left:0;top:.8em;width:10px;height:1px;background:var(--accent)}
.facts-dl{margin:36px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:0 32px;border-top:1px solid var(--rule)}
.facts-dl div{padding:16px 0;border-bottom:1px solid var(--rule)}
.facts-dl dt{font-size:13.5px;color:var(--muted);margin-bottom:4px}
.facts-dl dd{margin:0;font-size:15.5px;line-height:1.5}
.related{margin-top:28px;font-size:15.5px;color:var(--ink-2)}
.flow{margin:40px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:28px;counter-reset:f}
.flow li{position:relative;border-top:1px solid var(--ink);padding-top:14px;counter-increment:f}
.flow li::before{content:counter(f,decimal-leading-zero);display:block;font:400 12.5px/1 var(--mono);color:var(--accent-ink);margin-bottom:12px}
.flow li:not(:last-child)::after{content:"→";position:absolute;right:-21px;top:28px;color:var(--muted);font-size:15px}
.flow b{display:block;font-size:15.5px;font-weight:600;line-height:1.3}
.flow span{display:block;margin-top:4px;font-size:14px;color:var(--muted);line-height:1.45}
.fig-cap{margin-top:16px;font-size:13.5px;color:var(--muted)}
@media (max-width:900px){.flow{grid-template-columns:minmax(0,1fr);gap:0}.flow li{padding:14px 0 18px}.flow li:not(:last-child)::after{content:"↓";right:auto;left:auto;top:auto;bottom:-10px;position:relative;display:block;margin-top:10px}}
.code{margin:28px 0 0;padding:20px 22px;background:var(--paper-2);border-left:2px solid var(--accent);font:400 13.5px/1.75 var(--mono);color:var(--ink);overflow-x:auto;white-space:pre;max-width:68ch}
.code .k{color:var(--accent-ink)}
.code .c{color:var(--muted)}
.check{margin-top:28px;border:1px solid var(--rule);background:var(--paper);max-width:640px}
.check .ttl{padding:14px 18px;border-bottom:1px solid var(--rule);font-size:14px;color:var(--muted)}
.check .ttl b{display:block;color:var(--ink);font-size:16px;font-weight:600;margin-top:2px}
.check table{width:100%;border-collapse:collapse;font-size:14.5px}
.check td{padding:11px 18px;border-bottom:1px solid var(--rule);vertical-align:top}
.check td:first-child{color:var(--muted);width:26%}
.check td:nth-child(2){font-family:var(--mono);font-size:13px}
.check td:last-child{text-align:right;font:500 12px/1.8 var(--mono);letter-spacing:.04em}
.check .pass{color:#3D7A4E}.check .fail{color:var(--accent-ink)}.check .unk{color:var(--muted)}
.check .foot{padding:12px 18px;font-size:14px;color:var(--ink-2)}
.timeline{border-bottom:1px solid var(--rule)}
.timeline div{display:grid;grid-template-columns:150px minmax(0,1fr) minmax(0,1fr);gap:4px 32px;padding:20px 0;border-top:1px solid var(--rule)}
.timeline div:first-child{border-top-color:var(--ink)}
.timeline .y{font:400 13px/1.9 var(--mono);color:var(--muted)}
.timeline b{font-weight:600;font-size:17px}
.timeline span{color:var(--ink-2);font-size:16px}
.timeline em{font-style:normal;color:var(--muted);font-size:14.5px;display:block}
@media (max-width:760px){.timeline div{grid-template-columns:minmax(0,1fr)}}
.toolkit{margin-top:56px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.toolkit h3{font-size:14px;font-weight:500;color:var(--muted);margin-bottom:12px;letter-spacing:0}
.toolkit ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:16px}
@media (max-width:860px){.toolkit{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Articles ---------- */
.article-head{padding:clamp(48px,7vw,104px) 0 clamp(36px,4vw,56px);border-bottom:1px solid var(--rule)}
.article-head .back{display:inline-flex;gap:8px;font-size:15px;color:var(--muted);margin-bottom:40px}
.article-head .back:hover{color:var(--ink)}
.kicker{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:14px;color:var(--muted);margin-bottom:22px}
.kicker .no{font-family:var(--mono);font-size:13px;color:var(--accent-ink)}
.article-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(36px,4.8vw,64px);line-height:1.06;letter-spacing:-.02em;max-width:20ch}
.article-head h1 em{font-style:italic}
.article-head .dek{margin-top:24px;font-size:clamp(19px,1.6vw,22px);line-height:1.5;color:var(--ink-2);max-width:58ch}
.article-head .meta{margin-top:32px;display:flex;flex-wrap:wrap;gap:6px 24px;font-size:14.5px;color:var(--muted)}
.article-head .meta b{font-weight:500;color:var(--ink)}
.ai-note{margin-top:12px;font-size:14px;color:var(--muted);max-width:60ch}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(72px,9vw,120px)}
@media (min-width:1040px){.article-layout{grid-template-columns:220px minmax(0,1fr);gap:72px}}
.toc{display:none}
@media (min-width:1040px){.toc{display:block;position:sticky;top:100px;align-self:start}}
.toc .ttl{font-size:14px;font-weight:500;margin-bottom:14px}
.toc ol{list-style:none;margin:0;padding:0 0 0 14px;border-left:1px solid var(--rule);display:grid;gap:10px}
.toc a{display:block;font-size:14px;line-height:1.4;color:var(--muted);transition:color .2s}
.toc a:hover{color:var(--ink)}
.prose-article{max-width:66ch;font-family:var(--serif);font-size:20px;line-height:1.62;color:var(--ink-2);font-optical-sizing:auto}
.prose-article p{margin:0 0 1.15em;text-wrap:pretty}
.prose-article h2{margin:2.1em 0 .6em;font-family:var(--sans);font-weight:600;font-size:clamp(23px,2vw,27px);line-height:1.22;letter-spacing:-.02em;color:var(--ink)}
.prose-article h2:first-child{margin-top:0}
.prose-article h2 .n{font:400 13px/1 var(--mono);color:var(--accent-ink);margin-right:12px;vertical-align:.3em}
.prose-article h3{margin:1.7em 0 .45em;font-family:var(--sans);font-weight:600;font-size:18px;letter-spacing:-.01em;color:var(--ink)}
.prose-article h3 .n{font:400 12.5px/1 var(--mono);color:var(--accent-ink);margin-right:10px}
.prose-article strong{font-weight:600;color:var(--ink)}
.prose-article a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.prose-article pre{margin:1.5em 0 1.7em;padding:18px 20px;background:var(--paper-2);border-left:2px solid var(--accent);overflow-x:auto;font:400 14px/1.7 var(--mono);color:var(--ink)}
.prose-article pre code{font:inherit}
.prose-article figure{margin:2em 0 2.2em}
.prose-article figure .panel{border:1px solid var(--rule);background:#fff;padding:clamp(10px,1.6vw,18px)}
.prose-article figcaption{margin-top:12px;font-family:var(--sans);font-size:14px;line-height:1.55;color:var(--muted)}
.prose-article hr{border:0;border-top:1px solid var(--rule);margin:2.4em 0}
.prose-article .closer{margin:2.6em 0 0;padding-top:1.4em;border-top:1px solid var(--ink);font-size:clamp(23px,2.1vw,28px);line-height:1.35;letter-spacing:-.01em;color:var(--ink)}
.prose-article .closer em{font-style:italic;color:var(--accent-ink)}
.prose-article .note{margin-top:2.2em;font-family:var(--sans);font-size:14px;line-height:1.55;color:var(--muted)}
.article-end{border-top:1px solid var(--rule);padding:clamp(40px,5vw,64px) 0 clamp(56px,6vw,88px)}
.article-end .in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px 64px;align-items:start}
.author{display:flex;gap:18px;align-items:center}
.author img{width:64px;height:64px;object-fit:cover;object-position:center 30%}
.author p{font-size:15.5px;line-height:1.5;color:var(--ink-2);max-width:44ch}
.author b{display:block;font-weight:600;color:var(--ink)}
.end-links{display:grid}
.end-links a{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--rule);font-size:16px;transition:color .2s}
.end-links a:last-child{border-bottom:1px solid var(--rule)}
.end-links a:hover{color:var(--accent-ink)}
.end-links a span{color:var(--muted);font-size:14px}
@media (max-width:760px){.article-end .in{grid-template-columns:minmax(0,1fr)}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.toc,.article-end .end-links{display:none}body{background:#fff}}