/* NESAVU · the guide — a weaver's pattern book: paper, ink, one madder thread. Hairlines and type do the work. */
:root{
  --paper:#eee8dc; --paper-2:#e5ddcd; --paper-3:#d9d0bd;
  --ink:#1b1814; --ink-2:#48423a; --ink-3:#777064;
  --rule:rgba(27,24,20,.16); --rule-2:rgba(27,24,20,.5);
  --madder:#a3341d; --madder-2:#7f2714;
  --plate:#0b0a09;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --gutter:clamp(18px,3vw,40px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--paper);color:var(--ink);-webkit-text-size-adjust:100%}
body{font:20px/1.6 var(--serif);background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--madder)}
:focus-visible{outline:2px solid var(--madder);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;font:14px var(--mono)}
.skip:focus{left:8px;z-index:10}
.book{max-width:1320px;margin:0 auto;padding:0 var(--gutter)}

/* ── the selvedge: the running head on every page ── */
.selvedge{border-bottom:1px solid var(--rule-2)}
.selvedge .book{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;min-height:64px}
.brand{font:600 13px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;text-decoration:none;white-space:nowrap}
.brand b{font-weight:700}
.brand span{color:var(--ink-3)}
.threads{display:flex;justify-content:center;gap:0;list-style:none}
.threads a{display:block;font:14px/1 var(--mono);white-space:nowrap;padding:10px 9px;text-decoration:none;color:var(--ink-3);border-bottom:2px solid transparent}
.threads a:hover{color:var(--ink)}
.threads a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--madder)}
.open{font:600 14px/1 var(--mono);letter-spacing:.04em;text-decoration:none;color:var(--paper);background:var(--ink);padding:12px 16px;white-space:nowrap}
.open:hover{background:var(--madder);color:var(--paper)}

/* ── chapter opening ── */
.opening{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gutter);padding:72px 0 40px;border-bottom:1px solid var(--rule)}
.opening .num{grid-column:1 / span 3;font:400 clamp(96px,14vw,196px)/.78 var(--serif);color:var(--madder);letter-spacing:-.04em}
.opening .head{grid-column:4 / span 9;align-self:end}
.opening .kicker{font:13px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:18px}
.opening h1{font:400 clamp(44px,6.2vw,92px)/.98 var(--serif);letter-spacing:-.02em}
.opening .dek{font-size:clamp(20px,1.9vw,26px);line-height:1.45;color:var(--ink-2);max-width:34em;margin-top:22px}

/* ── the page grid: margin notes · text · aside ── */
.spread{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gutter);padding:52px 0;border-bottom:1px solid var(--rule)}
.spread:last-of-type{border-bottom:0}
.spread > .margin{grid-column:1 / span 3}
.spread > .text{grid-column:4 / span 6}
.spread > .wide{grid-column:4 / span 9}
.spread > .full{grid-column:1 / -1}
.spread > .aside{grid-column:10 / span 3}
.margin h2{font:600 13px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;position:sticky;top:20px}
.margin h2 small{display:block;font-weight:400;letter-spacing:.04em;text-transform:none;color:var(--ink-3);margin-top:8px;font-size:13px}
.text > * + *{margin-top:.85em}
.text p{max-width:34em}
.lead{font-size:clamp(22px,2vw,27px);line-height:1.42}
h3{font:400 30px/1.15 var(--serif);letter-spacing:-.01em;margin-top:1.6em}
.text > h3:first-child{margin-top:0}
.note{font:15px/1.55 var(--mono);color:var(--ink-2)}
.note b{color:var(--ink)}
em.word{font-style:italic}
.nowrap{white-space:nowrap}
.tamil{font-family:var(--serif)}
ol.steps{list-style:none;counter-reset:s}
ol.steps li{counter-increment:s;display:grid;grid-template-columns:52px 1fr;padding:14px 0;border-top:1px solid var(--rule)}
ol.steps li::before{content:counter(s);font:400 30px/1 var(--serif);color:var(--madder)}
ol.steps li:last-child{border-bottom:1px solid var(--rule)}

/* ── keys ── */
kbd{font:600 .78em/1 var(--mono);font-feature-settings:"zero" 1;display:inline-block;min-width:1.7em;text-align:center;padding:.28em .45em .22em;border:1px solid var(--ink);border-bottom-width:2px;border-radius:3px;background:var(--paper-2);color:var(--ink);white-space:nowrap}

/* ── plates: the rug itself, framed like a photograph in a pattern book ── */
.plate{background:var(--plate);position:relative}
.plate img,.plate video{width:100%;height:auto;aspect-ratio:var(--ar,4/5);object-fit:cover;background:var(--plate)}
.plate figcaption,.cap{font:12.5px/1.45 var(--mono);letter-spacing:.06em;color:var(--ink-2);background:var(--paper);padding:10px 0 0}
.plate figcaption b,.cap b{color:var(--ink);letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin-right:.6em}
.plate .play{position:absolute;right:10px;top:10px;font:600 12px/1 var(--mono);letter-spacing:.08em;color:var(--paper);background:rgba(11,10,9,.7);border:1px solid rgba(238,232,220,.35);padding:7px 9px;cursor:pointer}
.plates{display:grid;gap:34px var(--gutter);align-items:start}
.plates.two{grid-template-columns:repeat(2,1fr)}
.plates.three{grid-template-columns:repeat(3,1fr)}
.plates.four{grid-template-columns:repeat(4,1fr)}
.plates.five{grid-template-columns:repeat(5,1fr);gap:26px 16px}
.plates.five figcaption{font-size:11.5px;letter-spacing:.03em}
.bleed{margin:0 calc(var(--gutter) * -1)}

/* ── the screen map: numbered pins over a real screenshot ── */
.map{position:relative;background:var(--plate)}
.map img{width:100%}
/* a pin that cannot sit beside its control hangs below the bar on a thread up to it */
.pinline{position:absolute;width:2px;margin-left:-1px;background:var(--madder);box-shadow:0 0 0 1px var(--paper)}
.pin{position:absolute;transform:translate(-50%,-50%);width:30px;height:30px;border-radius:50%;background:var(--madder);color:var(--paper);font:700 14px/30px var(--mono);text-align:center;box-shadow:0 0 0 3px var(--paper)}
.legend{list-style:none;columns:2;column-gap:var(--gutter)}
.legend li{break-inside:avoid;display:grid;grid-template-columns:40px 1fr;padding:12px 0;border-top:1px solid var(--rule)}
.legend li i{font:700 14px/26px var(--mono);font-style:normal;color:var(--madder)}
.legend li b{font-weight:600}

/* ── controls: one hairline row per control ── */
.controls{width:100%;border-collapse:collapse}
.controls th,.controls td{text-align:left;vertical-align:baseline;padding:13px 16px 13px 0;border-top:1px solid var(--rule)}
.controls tr:last-child td{border-bottom:1px solid var(--rule)}
.controls th{font:600 14px/1.4 var(--mono);white-space:nowrap;width:1%}
.controls td.range{font:13px/1.4 var(--mono);color:var(--ink-3);white-space:nowrap;width:1%;text-align:right;padding-right:0}
table.controls + table.controls{margin-top:30px}
.text .controls{margin-top:6px}
.controls caption{text-align:left;font:600 13px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:0 0 12px}

/* ── the tools: a row per tool, key · name · what it does · the proof ── */
.tool{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gutter);padding:40px 0;border-top:1px solid var(--rule)}
.tool .id{grid-column:1 / span 3}
.tool .id kbd{font-size:26px;margin-bottom:14px}
.tool .id h3{margin:0;font-size:38px}
.tool .say{grid-column:4 / span 4}
.tool .say > * + *{margin-top:.7em}
.tool .proof{grid-column:8 / span 5}

/* ── drafts: the weaver's diagram next to the cloth it makes ── */
.draftsvg{display:block;width:100%;height:auto}
.draftsvg .h{fill:var(--paper-3)}
.draftsvg .e{fill:var(--paper)}
.draftsvg .f{fill:var(--ink)}
.drafts{display:grid;grid-template-columns:repeat(2,1fr);gap:56px var(--gutter)}
.drafts .d{display:grid;grid-template-columns:1fr 1fr;gap:16px var(--gutter);align-items:start}
.drafts .d h3{grid-column:1 / -1;margin:0;font-size:32px}
.drafts .d h3 small{font:13px var(--mono);letter-spacing:.06em;color:var(--ink-3);margin-left:.6em}
.drafts .d .cap{grid-column:1 / -1;padding:0}

.anatomy{display:grid;grid-template-columns:minmax(240px,380px) 1fr;gap:var(--gutter);align-items:start}
.anatomy ol{list-style:none;counter-reset:a}
.anatomy li{counter-increment:a;display:grid;grid-template-columns:44px 1fr;padding:12px 0;border-top:1px solid var(--rule)}
.anatomy li::before{content:counter(a);font:400 26px/1 var(--serif);color:var(--madder)}
.anatomy li:last-child{border-bottom:1px solid var(--rule)}

/* ── the cover: the title is cut by the rug itself ── */
.cover{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gutter);padding:34px 0 72px;border-bottom:1px solid var(--rule)}
.cover .title{grid-column:1 / -1;grid-row:1;font:400 clamp(88px,19.4vw,292px)/.8 var(--serif);letter-spacing:-.05em;margin-left:-.045em;position:relative;z-index:1}
.cover .plate{grid-column:7 / span 5;grid-row:1 / span 2;margin-top:clamp(64px,10.5vw,160px);position:relative;z-index:2;align-self:start}
.cover .say{grid-column:1 / span 6;grid-row:2;margin-top:44px}
.cover .big{font-size:clamp(28px,2.9vw,42px);line-height:1.18;letter-spacing:-.01em}
.cover .sub{font-size:clamp(20px,1.7vw,24px);line-height:1.5;color:var(--ink-2);margin-top:18px;max-width:30em}
.cover .word{font:14px/1.6 var(--mono);color:var(--ink-3);margin-top:22px}
.cover .actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;margin-top:36px}
.cover .actions .open{font-size:16px;padding:17px 22px}
.cover .actions .read{font:600 15px/1 var(--mono);text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:4px}
.cover .facts{font:14px/1.7 var(--mono);color:var(--ink-2);margin-top:24px}
.toc{list-style:none;display:grid;grid-template-columns:1fr 1fr;column-gap:var(--gutter)}
.toc li{border-top:1px solid var(--rule)}
.toc a{display:grid;grid-template-columns:64px 1fr;gap:4px 0;padding:18px 0 20px;text-decoration:none}
.toc a i{font:400 34px/1 var(--serif);font-style:normal;color:var(--madder);grid-row:1 / span 2}
.toc a b{font:400 28px/1.15 var(--serif)}
.toc a span{font-size:17px;line-height:1.45;color:var(--ink-2)}
.toc a:hover b{color:var(--madder)}
.strip{display:grid;grid-template-columns:repeat(10,1fr);gap:10px}
.strip a{text-decoration:none}
.strip img{aspect-ratio:4/5;object-fit:cover;background:var(--plate)}
.strip span{display:block;font:11px/1.3 var(--mono);color:var(--ink-2);padding-top:7px}
@media (max-width:960px){
  .cover{grid-template-columns:1fr}
  .cover .title,.cover .plate,.cover .say{grid-column:1 / -1;grid-row:auto;margin-top:0}
  .cover .plate{margin-top:-6px}
  .cover .title{font-size:clamp(46px,15.5vw,150px);white-space:nowrap}
  .cover .say{margin-top:34px}
  .toc{grid-template-columns:1fr}
  .strip{grid-template-columns:repeat(5,1fr)}
  .drafts{grid-template-columns:1fr}
  .anatomy{grid-template-columns:1fr}
}

/* ── the key card ── */
.keycard{display:grid;grid-template-columns:repeat(2,1fr);gap:44px var(--gutter)}
.keycard h3{font:600 13px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px}
.keycard dl{display:grid;grid-template-columns:minmax(150px,auto) 1fr}
.keycard dt,.keycard dd{padding:11px 0;border-top:1px solid var(--rule)}
.keycard dt{padding-right:18px;white-space:nowrap}
.keycard dd{font-size:18px;line-height:1.45}
.keycard .mouse{font:600 14px/1.5 var(--mono)}

/* ── the loop, drawn as time ── */
.timeline{display:grid;grid-template-columns:2fr 1fr;border:1px solid var(--rule-2)}
.timeline .seg{position:relative;padding:16px 18px 18px;min-height:112px}
.timeline .warm{background:var(--paper-2);border-right:1px solid var(--rule-2)}
.timeline .rec{padding-right:calc(40% + 14px)}
.timeline b{display:block;font:600 13px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase}
.timeline span{display:block;font-size:17px;line-height:1.4;color:var(--ink-2);margin-top:6px;max-width:15em}
.timeline .steer{position:absolute;top:0;right:0;bottom:0;width:40%;display:flex;align-items:flex-end;padding:10px;background:var(--madder);color:var(--paper);font:600 12px/1.35 var(--mono);font-style:normal}

/* ── the moods: a plate and its weather, side by side ── */
.moodlist{display:grid;grid-template-columns:repeat(2,1fr);gap:48px var(--gutter)}
.mood{display:grid;grid-template-columns:5fr 7fr;gap:0 22px;align-items:start;scroll-margin-top:24px}
.mood .who{font:13px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.mood h3{margin:8px 0 2px;font-size:36px}
.mood .means{font-style:italic;color:var(--ink-2)}
.mood p{font-size:18px;line-height:1.5;margin-top:10px}
.mood .sets{font:13px/1.6 var(--mono);color:var(--ink-3);margin-top:12px}

/* ── questions ── */
.faq dt{font:600 25px/1.3 var(--serif);padding-top:26px;border-top:1px solid var(--rule)}
.faq dt:first-child{border-top:0;padding-top:0}
.faq dd{padding:10px 0 28px;max-width:36em}
.faq dd p + p{margin-top:.7em}

/* ── moving on ── */
.next{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gutter);padding:48px 0 64px;border-top:1px solid var(--rule-2)}
.next a{grid-column:4 / span 9;text-decoration:none;font:400 clamp(34px,4.4vw,64px)/1.02 var(--serif);letter-spacing:-.015em}
.next a span{display:block;font:13px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px}
.next a:hover{color:var(--madder)}
.colophon{border-top:1px solid var(--rule-2);font:13px/1.6 var(--mono);color:var(--ink-3)}
.colophon .book{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:22px;padding-bottom:40px}

/* ── the running head: one row from 1380px, inside the 1240px content box (brand + ten chapters + Open,
   so the chapters sit a little closer there); below that the chapters take a row ── */
@media (min-width:1380px){
  .selvedge .book{gap:20px}
  .threads a{padding-left:6px;padding-right:6px}
}
@media (max-width:1379px){
  .selvedge .book{grid-template-columns:1fr auto;padding-top:10px;padding-bottom:10px}
  .selvedge .book > *{min-width:0}
  .selvedge nav{grid-column:1 / -1;order:3;margin:0 calc(var(--gutter) * -1)}
  .threads{justify-content:flex-start;overflow-x:auto;padding:0 var(--gutter);scrollbar-width:none}
}

/* ── narrow screens: one column, notes above text ── */
@media (max-width:960px){
  body{font-size:18px}
  .opening,.spread,.tool,.next{grid-template-columns:1fr}
  .opening .num,.opening .head,.spread > .margin,.spread > .text,.spread > .wide,.spread > .full,.spread > .aside,
  .tool .id,.tool .say,.tool .proof,.next a{grid-column:1 / -1}
  .opening .num{font-size:96px;margin-bottom:12px}
  .margin h2{position:static;margin-bottom:18px}
  .spread > .aside{margin-top:24px}
  .tool .say,.tool .proof{margin-top:18px}
  .plates.three,.plates.four{grid-template-columns:repeat(2,1fr)}
  .plates.five{grid-template-columns:repeat(2,1fr)}
  .legend{columns:1}
  .keycard{grid-template-columns:1fr}
  .moodlist{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .timeline .warm{border-right:0;border-bottom:1px solid var(--rule-2)}
  .timeline .rec{padding-right:18px;padding-bottom:84px}
  .timeline .steer{top:auto;left:0;right:0;bottom:0;width:auto;height:64px;align-items:center;padding:10px 18px}
  .pin{width:22px;height:22px;font-size:11px;line-height:22px}
}
@media (max-width:560px){ .pin{width:18px;height:18px;font-size:10px;line-height:18px;box-shadow:0 0 0 2px var(--paper)} .plates.two{grid-template-columns:1fr} .brand span{display:none} .keycard dl{grid-template-columns:1fr} .keycard dd{padding-top:0;border-top:0} }
@media (prefers-reduced-motion:reduce){ *{scroll-behavior:auto!important} }
@media print{
  .selvedge,.next,.colophon,.plate .play{display:none}
  body{background:#fff}
  .spread{break-inside:avoid}
}