/* V2 — lab notebook. Paper, graph grid, mono numbers. */

:root {
  --paper: #f6f7f4;
  --ink: #19211c;
  --ink-2: rgba(25, 33, 28, .68);
  --ink-3: rgba(25, 33, 28, .45);
  --line: rgba(25, 33, 28, .12);
  --grid: rgba(25, 33, 28, .035);
  --tint: rgba(25, 33, 28, .04);
  --pine: #b3402a;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "IBM Plex Sans", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 400 16px/1.7 var(--sans);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, var(--grid) 0, var(--grid) 1px, transparent 1px, transparent 28px),
    repeating-linear-gradient(90deg, var(--grid) 0, var(--grid) 1px, transparent 1px, transparent 28px);
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }

a {
  color: var(--pine);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(179, 64, 42, .4);
  transition: color .15s ease-out, text-decoration-color .15s ease-out;
}
a:hover { text-decoration-color: currentColor; }

:focus-visible { outline: 2px solid var(--pine); outline-offset: 2px; }

::selection { background: rgba(25, 33, 28, .14); }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--paper); border: 1px solid var(--line);
  padding: 8px 12px; font: 600 13px/1 var(--mono); z-index: 9;
}
.skip:focus { left: 8px; top: 8px; }

.vh {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

/* ---- header ---- */

header.site { padding: 64px 0 40px; border-bottom: 1px solid var(--line); }

h1 { margin: 0 0 10px; font: 600 28px/1.3 var(--mono); letter-spacing: -.01em; }

.statement { margin: 0 0 18px; color: var(--ink-2); max-width: 56ch; }

.meta-row { margin: 0; font: 400 13px/1.6 var(--mono); color: var(--ink-2); }

/* ---- layout: meta rail + content ---- */

.layout { display: grid; grid-template-columns: 180px minmax(0, 1fr); column-gap: 44px; }

.rail-in { position: sticky; top: 0; padding: 56px 0; font-family: var(--mono); }

.rail ol { list-style: none; margin: 0; padding: 0; }
.rail li { margin: 0 0 10px; }
.rail a {
  display: block; padding: 1px 0;
  font-size: 12px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none;
}
.rail a:hover { color: var(--pine); }
.rail a[aria-current="true"] { color: var(--pine); font-weight: 600; }
.rail .idx { color: var(--pine); margin-right: 4px; }

.rail-meta {
  margin: 24px 0 0; padding-top: 14px; border-top: 1px solid var(--line);
  font-size: 11px; line-height: 1.9; color: var(--ink-3);
}

/* ---- sections ---- */

main section { padding: 56px 0; border-top: 1px solid var(--line); }
main section:first-child { border-top: 0; }

h2 {
  display: flex; align-items: baseline; gap: 10px;
  margin: 0 0 28px;
  font: 600 15px/1.4 var(--mono);
  letter-spacing: .08em; text-transform: uppercase;
}
h2 .idx { color: var(--pine); }

p { margin: 0 0 16px; }
.prose { max-width: 64ch; }
.intro { color: var(--ink-2); margin-bottom: 8px; }

/* ruled definition rows (about, contact) */
.record {
  display: grid; grid-template-columns: 110px minmax(0, 1fr);
  margin: 26px 0 0; border-top: 1px solid var(--line);
  font: 400 13px/1.7 var(--mono);
}
.record dt {
  padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line);
  font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3);
}
.record dd { margin: 0; padding: 9px 0; border-bottom: 1px solid var(--line); }

/* ---- research ---- */

.bib { margin: 0 0 26px; font: 400 14px/1.8 var(--mono); }

.badge {
  display: inline-block; margin-left: 6px; padding: 1px 7px;
  border: 1px solid var(--line); border-radius: 2px;
  font-size: 11px; letter-spacing: .04em; text-decoration: none;
}
.badge:hover { border-color: var(--pine); }

.factstrip {
  list-style: none; margin: 0 0 28px; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-family: var(--mono);
}
.factstrip li { padding: 12px 14px; border-left: 1px solid var(--line); }
.factstrip li:first-child { border-left: 0; padding-left: 0; }
.fs-a { display: block; font-size: 13px; font-weight: 600; }
.fs-b { display: block; margin-top: 2px; font-size: 11px; line-height: 1.6; color: var(--ink-2); }

/* ---- tables ---- */

.tw { overflow-x: auto; }

table { width: 100%; margin: 6px 0 24px; border-collapse: collapse; font: 400 13px/1.6 var(--mono); }

th {
  padding: 6px 16px 6px 0; text-align: left;
  font-size: 11px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--ink-2); border-bottom: 1px solid var(--pine);
}
td { padding: 7px 16px 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
td.v { font-weight: 600; white-space: nowrap; }
td:last-child, th:last-child { padding-right: 0; }
tbody tr { transition: background-color .15s ease-out; }
tbody tr:hover { background-color: var(--tint); }

.xp td:first-child { white-space: nowrap; padding-right: 28px; }

/* ---- figures ---- */

figure { margin: 28px 0; }
figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); background: #fff; }
.fig-n { max-width: 540px; }
figcaption { margin-top: 8px; font: 400 13px/1.7 var(--mono); color: var(--ink-2); max-width: 70ch; }
.fid {
  display: block; margin-bottom: 1px;
  font-size: 11px; letter-spacing: .04em; color: var(--ink-3); overflow-wrap: anywhere;
}

/* ---- details / code ---- */

details { margin: 26px 0 0; border: 1px solid var(--line); }
summary {
  padding: 10px 14px; cursor: pointer;
  font: 600 13px/1.5 var(--mono);
  transition: background-color .15s ease-out;
}
summary:hover { background-color: var(--tint); }
summary::marker { color: var(--ink-3); }
details[open] summary { border-bottom: 1px solid var(--line); }

.dbody { padding: 18px 16px 6px; }
.din { font-size: 14.5px; color: var(--ink-2); }

.seg {
  margin: 22px 0 10px;
  font: 600 11px/1.5 var(--mono);
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink);
}
.seg:first-of-type { margin-top: 4px; }
.seg .fn { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--ink-3); margin-left: 8px; }

pre {
  margin: 0 0 20px; padding: 14px 16px;
  background: rgba(25, 33, 28, .03);
  border: 1px solid var(--line);
  overflow-x: auto;
  font: 400 13px/1.65 var(--mono);
  tab-size: 4;
}
code { font-family: var(--mono); }

/* ---- projects ---- */

.project { padding: 36px 0 30px; border-top: 1px solid var(--line); transition: background-color .15s ease-out; }
.project:first-of-type { border-top: 0; padding-top: 20px; }
.project:hover { background-color: rgba(25, 33, 28, .025); }

.p-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; margin: 0 0 4px; }
h3 { margin: 0; font: 600 15px/1.5 var(--mono); }
h3 .idx { margin-right: 8px; font-size: 13px; color: var(--pine); }
.gh { margin-left: auto; font: 400 13px/1.6 var(--mono); }

.tagline { margin: 0 0 18px; font-size: 14.5px; color: var(--ink-2); max-width: 64ch; }

.stack { margin: 14px 0 0; font: 400 13px/1.7 var(--mono); color: var(--ink-2); }
.lbl {
  margin-right: 8px;
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2);
}
.caveat { margin: 0 0 14px; font: 400 13px/1.7 var(--mono); color: var(--ink-2); max-width: 70ch; }

/* ---- footer ---- */

footer { padding: 30px 0 64px; border-top: 1px solid var(--line); font: 400 13px/1.9 var(--mono); color: var(--ink-2); }
footer p { margin: 0; }
.foot-quiet { color: var(--ink-3); }

/* ---- small screens ---- */

@media (max-width: 760px) {
  header.site { padding: 44px 0 30px; }
  .layout { display: block; }
  .rail-in { position: static; padding: 18px 0 0; }
  .rail ol { display: flex; flex-wrap: wrap; gap: 4px 18px; }
  .rail li { margin: 0; }
  .rail-meta { display: none; }
  main section { padding: 44px 0; }
  main section:first-child { border-top: 1px solid var(--line); margin-top: 18px; }
  .factstrip { grid-template-columns: 1fr 1fr; border-bottom: 0; }
  .factstrip li { border-left: 0; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); }
  td.v { white-space: normal; }
  .gh { margin-left: 0; flex-basis: 100%; }
  .record { grid-template-columns: 92px minmax(0, 1fr); }
}

/* ---- motion: none. The page just appears. ---- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---- seal (from v1) ---- */
h1 .seal { display: inline-block; width: 10px; height: 10px; margin-right: 12px; background: var(--pine); }

/* ---- compact project rows ---- */
.plist { list-style: none; margin: 0; padding: 0; }
.prow { padding: 24px 0 20px; border-top: 1px solid var(--line); transition: background-color .15s ease-out; }
.prow:first-child { border-top: 0; padding-top: 8px; }
.prow:hover { background-color: rgba(25, 33, 28, .025); }
.prow .links { margin-left: auto; display: flex; gap: 16px; font: 400 13px/1.6 var(--mono); white-space: nowrap; }
.produced { margin: 0; font: 400 13px/1.8 var(--mono); color: var(--ink-2); max-width: 76ch; }

/* ---- project detail pages ---- */
.backrow { padding: 26px 0 0; font: 400 13px/1.6 var(--mono); }
.pagehead { padding: 26px 0 34px; border-bottom: 1px solid var(--line); }
.pagehead h1 { font-size: 22px; margin-bottom: 6px; }
.btnrow { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0; }
.btn { display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 2px;
       font: 600 13px/1 var(--mono); text-decoration: none;
       transition: border-color .15s ease-out, background-color .15s ease-out; }
.btn:hover { border-color: var(--pine); background-color: var(--tint); }
article.detail section { padding: 40px 0; border-top: 1px solid var(--line); }
article.detail section:first-child { border-top: 0; }