/* monday.rnui.dev — Subitem Bulk Date Shift · docs & legal
   Design thesis: "the shift" — a date moved by an offset along a timeline.
   Display: Space Grotesk · Body: IBM Plex Sans · Data/dates: IBM Plex Mono */

:root{
  --ink:#0b1f3a;
  --ink-2:#3d4d68;
  --ink-3:#7280a0;
  --paper:#eef2f9;
  --surface:#ffffff;
  --line:#d9e1ee;
  --brand:#0073ea;
  --brand-deep:#0257b3;
  --brand-wash:#e6f0fd;
  --applied:#009f6f;          /* "after / applied" — the one counterpoint accent */
  --applied-wash:#e0f5ec;
  --radius:16px;
  --measure:66ch;
  --maxw:1120px;
  --pad:clamp(22px,5vw,44px);
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SF Mono",monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--paper);
  font-family:var(--font-body);font-size:clamp(15px,.55vw + 13.5px,17px);line-height:1.68;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
/* planner dot-grid — a calendar page, faded to nothing */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(var(--line) 1.1px,transparent 1.6px);
  background-size:27px 27px;opacity:.55;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 62%);
          mask-image:linear-gradient(180deg,#000,transparent 62%);
}

a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ---- masthead ---- */
.masthead{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px var(--pad);
  background:color-mix(in srgb,var(--paper) 82%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line);
}
.wordmark{
  display:inline-flex;align-items:center;gap:22px;
  font-family:var(--font-mono);font-size:.78rem;font-weight:600;letter-spacing:.02em;
  color:var(--ink);
}
.wordmark:hover{text-decoration:none;color:var(--ink)}
.wordmark .dot{width:8px;height:8px;border-radius:50%;
  background:var(--brand);box-shadow:12px 0 0 0 var(--applied)}
.masthead nav{display:flex;gap:18px;font-family:var(--font-mono);font-size:.76rem;font-weight:500}
.masthead nav a{color:var(--ink-2)}
.backlink{font-family:var(--font-mono);font-size:.76rem;font-weight:500;color:var(--ink-2)}
.backlink:hover{color:var(--brand)}

/* ---- shell ---- */
.shell{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.prose{max-width:var(--measure);margin:0 auto;padding:clamp(30px,6vw,64px) 0 40px}
footer.site{
  max-width:var(--maxw);margin:0 auto;padding:34px var(--pad) 60px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;
  font-family:var(--font-mono);font-size:.74rem;color:var(--ink-3)}
footer.site b{color:var(--ink-2);font-weight:600}
footer.site a{color:var(--ink-2)}

/* ---- shared type ---- */
.eyebrow{
  font-family:var(--font-mono);font-size:.72rem;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--brand);margin:0 0 18px}
h1,h2,h3{font-family:var(--font-display);color:var(--ink);
  letter-spacing:-.02em;line-height:1.12;text-wrap:balance}
h1{font-size:clamp(2rem,4.4vw,3rem);font-weight:600;margin:.1em 0 .5em}
h2{font-size:clamp(1.28rem,2.4vw,1.65rem);font-weight:600;margin:2.4em 0 .5em}
h3{font-size:1.12rem;font-weight:600;margin:1.9em 0 .4em;letter-spacing:-.01em}
p{margin:0 0 1.15em}
strong{font-weight:600;color:var(--ink)}
em{color:var(--ink-2)}
hr{border:0;height:1px;background:var(--line);margin:2.6em 0}

.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.35em}
.prose li{margin:.4em 0;padding-left:.15em}
.prose li::marker{color:var(--brand)}
.prose ol li::marker{font-family:var(--font-mono);font-size:.82em;color:var(--ink-3)}

code{font-family:var(--font-mono);font-size:.86em;font-weight:500;
  background:var(--surface);border:1px solid var(--line);
  padding:.1em .42em;border-radius:6px;color:var(--brand-deep);white-space:nowrap}

blockquote{margin:1.8em 0;padding:18px 22px;background:var(--surface);
  border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:0 12px 12px 0}
blockquote p:last-child{margin:0}

/* dates & data tables — mono, tabular */
table{border-collapse:separate;border-spacing:0;width:100%;margin:1.6em 0;
  font-size:.93rem;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;overflow:hidden}
th,td{padding:.72em .9em;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
thead th{font-family:var(--font-mono);font-size:.72rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);
  background:color-mix(in srgb,var(--paper) 60%,var(--surface))}
tbody tr:hover{background:color-mix(in srgb,var(--brand-wash) 40%,var(--surface))}
/* first column of the plans/scope tables reads as a label */
tbody td:first-child{font-weight:600}

/* effective-date / meta line under an h1 */
.meta{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-3);
  margin:-.2em 0 2em;display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.meta .chip{color:var(--ink-2);background:var(--surface);border:1px solid var(--line);
  padding:.2em .6em;border-radius:999px}

/* =========================================================
   LANDING — hero + the shift signature + doc index
   ========================================================= */
.hero{padding:clamp(44px,9vw,96px) 0 clamp(30px,6vw,54px);max-width:none}
.hero-title{font-size:clamp(2.3rem,6.2vw,4.1rem);font-weight:600;
  margin:0 0 .5em;max-width:14ch}
.hero-sub{font-size:clamp(1.02rem,1.5vw,1.22rem);color:var(--ink-2);
  max-width:52ch;margin:0}

/* the signature: a due date shifted along a timeline */
.shift{
  --nodew:clamp(84px,20vw,150px);
  display:flex;align-items:flex-start;gap:clamp(10px,2.5vw,26px);
  margin:clamp(30px,5vw,48px) 0 clamp(34px,6vw,56px);
  max-width:560px}
.shift-node{width:var(--nodew);flex:0 0 auto;text-align:center}
.shift-date{display:block;font-family:var(--font-mono);font-weight:600;
  font-size:clamp(1.3rem,4.2vw,2.1rem);letter-spacing:-.02em;color:var(--ink)}
.shift-node.is-before .shift-date{color:var(--ink-3)}
.shift-node.is-after .shift-date{color:var(--applied);
  text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}
.shift-tag{display:block;margin-top:8px;font-family:var(--font-mono);
  font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.shift-track{position:relative;flex:1 1 auto;height:calc(clamp(1.3rem,4.2vw,2.1rem) + 2px);
  display:flex;align-items:center}
.shift-track::before{content:"";position:absolute;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--ink-3),var(--brand));
  transform:scaleX(1);transform-origin:left;border-radius:2px}
.shift-track::after{content:"";position:absolute;right:0;top:50%;
  width:9px;height:9px;margin-top:-4.5px;border-radius:50%;background:var(--brand)}
.shift-delta{position:relative;margin:0 auto;
  font-family:var(--font-mono);font-size:clamp(.76rem,1.4vw,.9rem);font-weight:600;
  color:#fff;background:var(--brand);
  padding:.34em .74em;border-radius:999px;white-space:nowrap;
  box-shadow:0 6px 16px -6px color-mix(in srgb,var(--brand) 70%,transparent)}

/* doc index — typographic rows, differentiated by type tag (no fake numbering) */
.docindex{border-top:1px solid var(--line);margin:0;max-width:760px}
.doc{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px 20px;
  padding:22px 4px;border-bottom:1px solid var(--line);color:inherit}
.doc:hover{text-decoration:none}
.doc-main{min-width:0}
.doc-title{display:block;font-family:var(--font-display);font-weight:600;font-size:1.32rem;
  letter-spacing:-.01em;color:var(--ink);transition:transform .18s ease}
.doc-desc{display:block}
.doc:hover .doc-title{transform:translateX(6px);color:var(--brand-deep)}
.doc-desc{color:var(--ink-2);font-size:.96rem;margin-top:2px}
.doc-side{display:flex;align-items:center;gap:14px;
  font-family:var(--font-mono);font-size:.72rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.doc-arrow{font-size:1.3rem;color:var(--brand);transition:transform .18s ease}
.doc:hover .doc-arrow{transform:translateX(5px)}

/* small feature strip on landing */
.facts{display:flex;flex-wrap:wrap;gap:10px 12px;margin:8px 0 4px;max-width:760px}
.fact{font-family:var(--font-mono);font-size:.76rem;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:.4em .85em}
.fact b{color:var(--brand-deep)}

/* =========================================================
   motion — one orchestrated load; reduced-motion respected
   ========================================================= */
@media (prefers-reduced-motion:no-preference){
  .anim .shift-track::before{transform:scaleX(0);animation:draw .6s .25s ease-out forwards}
  .anim .shift-track::after{opacity:0;animation:pop .3s .8s ease-out forwards}
  .anim .shift-delta{opacity:0;transform:translateX(-30px);animation:slide .45s .5s ease-out forwards}
  .anim .shift-node.is-after{opacity:0;transform:translateX(14px);animation:slide .5s .75s ease-out forwards}
  .anim .hero-title,.anim .eyebrow,.anim .hero-sub{opacity:0;animation:rise .6s ease-out forwards}
  .anim .eyebrow{animation-delay:.02s}
  .anim .hero-title{animation-delay:.08s}
  .anim .hero-sub{animation-delay:.16s}
}
@keyframes draw{to{transform:scaleX(1)}}
@keyframes pop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}
@keyframes slide{to{opacity:1;transform:translateX(0)}}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ---- responsive ---- */
@media (max-width:560px){
  .shift{--nodew:74px}
  .doc{grid-template-columns:1fr;gap:6px}
  .doc-side{justify-content:flex-start}
  .masthead nav{gap:12px}
}