/* lancekeay.com — a working engineer's notebook */
:root {
  --paper: #f7f5f0;
  --paper-2: #efece4;
  --card: #fffdf8;
  --ink: #1d2128;
  --ink-2: #3a404b;
  --muted: #5d6471;
  --rule: #dad5ca;
  --rule-strong: #b9b2a3;
  --blue: #38629f;
  --blue-deep: #274a7c;
  --blue-tint: #e3ebf5;
  --good: #2c6a47; --good-bg: #e2f0e7;
  --warn: #7d5300; --warn-bg: #f7ecd2;
  --bad: #962f2f; --bad-bg: #f6e1df;
  --serif: "Cardo", Georgia, "Times New Roman", serif;
  --sans: "Jost", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --measure: 40rem;
  --wide: 72rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.1875rem;
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--blue-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 2px; }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; z-index: 10; font-family: var(--sans); }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { width: min(100% - 2.5rem, var(--wide)); margin-inline: auto; }
.measure { max-width: var(--measure); }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: 1.1rem; flex-wrap: wrap; }
.wordmark { display: inline-flex; align-items: center; gap: .65rem; font-family: var(--sans); font-weight: 500; font-size: 1.25rem; letter-spacing: .01em; color: var(--ink); text-decoration: none; }
.wordmark:hover { color: var(--ink); }
.wordmark .mark { width: 30px; height: 30px; flex: none; }
.nav { display: flex; align-items: center; gap: .25rem 1.4rem; font-family: var(--sans); font-size: 1rem; flex-wrap: wrap; }
.nav a { color: var(--ink-2); text-decoration: none; padding: .3rem 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--blue-deep); border-bottom-color: var(--rule-strong); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--blue); }
.nav .btn { border-bottom: 1.5px solid var(--blue); color: #fff; padding: .42rem .8rem; }
.nav .btn:hover { color: #fff; border-color: var(--blue-deep); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--sans); font-size: .98rem; font-weight: 500;
  padding: .62rem 1.05rem; border-radius: 6px; text-decoration: none;
  border: 1.5px solid var(--blue); background: var(--blue); color: #fff;
  transition: background .15s, color .15s, border-color .15s;
}
.btn:hover { background: var(--blue-deep); border-color: var(--blue-deep); color: #fff; }
.btn.ghost { background: transparent; color: var(--blue-deep); }
.btn.ghost:hover { background: var(--blue-tint); color: var(--blue-deep); }
.btn.on-dark { background: #fff; color: var(--blue-deep); border-color: #fff; }
.btn.on-dark:hover { background: var(--blue-tint); }
.btn.ghost.on-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn.ghost.on-dark:hover { background: rgba(255,255,255,.12); }
.btn.small { font-size: .9rem; padding: .42rem .8rem; }
.btn svg { width: 1.05em; height: 1.05em; flex: none; }

/* ---------- type ---------- */
h1, h2, h3, h4 { font-family: var(--sans); font-weight: 500; line-height: 1.2; letter-spacing: -.005em; color: var(--ink); }
h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.45rem, 1.2rem + 1vw, 1.85rem); margin: 2.6rem 0 .9rem; }
h3 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
p { margin: 0 0 1.1rem; }
.kicker { font-family: var(--mono); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); margin: 0 0 .8rem; }
.lede { font-size: clamp(1.25rem, 1.1rem + .6vw, 1.5rem); line-height: 1.5; color: var(--ink-2); }
.small { font-size: .95rem; }
.muted { color: var(--muted); }
code, kbd { font-family: var(--mono); font-size: .82em; background: var(--paper-2); border: 1px solid var(--rule); border-radius: 4px; padding: .05em .35em; }
pre { font-family: var(--mono); font-size: .85rem; line-height: 1.55; background: #1f242c; color: #e8e6e1; padding: 1rem 1.2rem; border-radius: 6px; overflow-x: auto; margin: 0 0 1.4rem; }
pre code { background: none; border: 0; padding: 0; font-size: inherit; color: inherit; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

.sample-note {
  font-family: var(--sans); font-size: .85rem; color: var(--warn);
  background: var(--warn-bg); border: 1px solid #e6d3a6; border-radius: 6px;
  padding: .45rem .75rem; display: inline-block; margin: 0 0 1.2rem;
}

/* ---------- tags & verdicts ---------- */
.tag { font-family: var(--mono); font-size: .74rem; letter-spacing: .03em; text-transform: lowercase; color: var(--blue-deep); background: var(--blue-tint); border-radius: 3px; padding: .12rem .45rem; text-decoration: none; white-space: nowrap; }
a.tag:hover { background: #d3e0ef; }
.verdict {
  display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--sans); font-size: .82rem; font-weight: 500;
  padding: .16rem .55rem .16rem .45rem; border-radius: 999px; white-space: nowrap;
}
.verdict svg { width: 14px; height: 14px; flex: none; }
.verdict.good { color: var(--good); background: var(--good-bg); }
.verdict.warn { color: var(--warn); background: var(--warn-bg); }
.verdict.bad  { color: var(--bad);  background: var(--bad-bg); }
.verdict.info { color: var(--blue-deep); background: var(--blue-tint); }

/* ---------- home ---------- */
.intro { padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--rule); }
.intro h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.1rem, 1.3rem + 3.4vw, 3.75rem); line-height: 1.12; max-width: 22ch; margin-bottom: 1.2rem; letter-spacing: -.01em; }
.intro h1 em { color: var(--blue); font-style: italic; }
.intro .lede { max-width: 38rem; }
.intro .actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.8rem; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: 3rem 0 1rem; }
.section-head h2 { margin: 0; }
.section-head a { font-family: var(--sans); font-size: .98rem; }

/* post list — notebook entries */
.entries { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.entry { display: grid; grid-template-columns: 8.5rem 1fr; gap: .4rem 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--rule); }
.entry[hidden] { display: none; }
.entry .meta { font-family: var(--mono); font-size: .8rem; color: var(--muted); padding-top: .35rem; display: flex; flex-direction: column; gap: .5rem; align-items: flex-start; }
.entry h3 { font-size: clamp(1.2rem, 1.1rem + .4vw, 1.4rem); margin: 0 0 .45rem; }
.entry h3 a { color: var(--ink); text-decoration: none; }
.entry h3 a:hover { color: var(--blue-deep); text-decoration: underline; text-decoration-thickness: 1px; }
.entry .take { display: flex; gap: .65rem; align-items: baseline; flex-wrap: wrap; margin: 0; color: var(--ink-2); }
.entry .take .verdict { transform: translateY(-1px); }
.entry .excerpt { margin: .5rem 0 0; color: var(--muted); font-size: 1.05rem; }

.hire {
  margin: 4rem 0; background: var(--blue-deep); color: #fff; border-radius: 10px;
  padding: clamp(1.6rem, 4vw, 2.6rem); display: grid; grid-template-columns: 1fr auto; gap: 1.5rem 3rem; align-items: center;
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 22px 22px;
}
.hire h2 { color: #fff; margin: 0 0 .5rem; }
.hire p { margin: 0; color: #dde6f2; max-width: 40rem; }
.hire .actions { display: flex; gap: .7rem; flex-wrap: wrap; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-bottom: 2rem; }
.note-card { border-top: 1px solid var(--ink); padding-top: 1rem; }
.note-card h3 { margin-top: 0; }

/* ---------- posts page ---------- */
.page-head { padding: clamp(2.5rem, 5vw, 4rem) 0 1.5rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.6rem; align-items: center; }
.filters .label { font-family: var(--mono); font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-right: .4rem; }
.chip {
  font-family: var(--sans); font-size: .95rem; padding: .38rem .9rem; border-radius: 999px;
  border: 1.5px solid var(--rule-strong); background: var(--card); color: var(--ink-2); cursor: pointer;
}
.chip:hover { border-color: var(--blue); color: var(--blue-deep); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip .n { font-family: var(--mono); font-size: .75rem; opacity: .7; margin-left: .3rem; }
.result-count { font-family: var(--mono); font-size: .8rem; color: var(--muted); margin: 0 0 .6rem; }

/* ---------- article ---------- */
.article-head { padding: clamp(2.5rem, 5vw, 4rem) 0 2rem; border-bottom: 1px solid var(--rule); }
.article-head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 1.3rem + 2.8vw, 3.25rem); line-height: 1.15; max-width: 24ch; }
.byline { font-family: var(--sans); font-size: .95rem; color: var(--muted); display: flex; gap: .4rem 1rem; flex-wrap: wrap; align-items: center; }
.byline .tag { font-size: .72rem; }

.article-layout { display: grid; grid-template-columns: minmax(0, var(--measure)) minmax(0, 1fr); gap: 4rem; padding-top: 2.5rem; }
.article-body > p:first-child { font-size: 1.3rem; line-height: 1.55; color: var(--ink-2); }
.article-body ul, .article-body ol { padding-left: 1.3rem; margin: 0 0 1.2rem; }
.article-body li { margin-bottom: .45rem; }
.article-body blockquote { margin: 1.6rem 0; padding: .2rem 0 .2rem 1.2rem; border-left: 3px solid var(--blue); color: var(--ink-2); font-style: italic; }

.verdict-card {
  background: var(--card); border: 1px solid var(--rule); border-top: 4px solid var(--blue); border-radius: 8px;
  padding: 1.3rem 1.4rem; font-family: var(--sans); font-size: .98rem; line-height: 1.5;
  position: sticky; top: 1.5rem; align-self: start;
}
.verdict-card h2 { font-size: .8rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 .7rem; font-weight: 400; }
.verdict-card .headline { font-family: var(--serif); font-size: 1.3rem; line-height: 1.35; margin: .7rem 0 1.1rem; color: var(--ink); }
.verdict-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: .55rem 1rem; border-top: 1px solid var(--rule); padding-top: 1rem; }
.verdict-card dt { color: var(--muted); font-size: .88rem; }
.verdict-card dd { margin: 0; color: var(--ink); }
.verdict-card .scores { margin-top: 1rem; border-top: 1px solid var(--rule); padding-top: 1rem; display: grid; gap: .55rem; }
.score { display: grid; grid-template-columns: 7.5rem 1fr 2.2rem; align-items: center; gap: .6rem; font-size: .88rem; }
.score .track { height: 8px; background: var(--paper-2); border-radius: 4px; overflow: hidden; }
.score .fill { display: block; height: 100%; background: var(--blue); border-radius: 0 4px 4px 0; }
.score .val { font-family: var(--mono); font-size: .8rem; text-align: right; color: var(--ink-2); }

.tested { background: var(--paper-2); border-radius: 8px; padding: 1.2rem 1.4rem; margin: 1.6rem 0 2rem; font-family: var(--sans); font-size: .98rem; }
.tested h3 { margin: 0 0 .6rem; font-size: 1rem; }
.tested ul { margin: 0; padding-left: 1.1rem; }
.tested li { margin-bottom: .3rem; }

/* wide tables break out of the text measure */
.table-block { margin: 2rem 0 2.4rem; }
.table-block .caption { font-family: var(--sans); font-size: .95rem; color: var(--muted); margin: 0 0 .7rem; }
.table-block .caption strong { color: var(--ink); font-weight: 500; }
.table-scroll { overflow-x: auto; border: 1px solid var(--rule); border-radius: 8px; background: var(--card); -webkit-overflow-scrolling: touch; }
.table-scroll:focus-visible { outline-offset: 3px; }
table.data { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 760px; font-family: var(--sans); font-size: .93rem; line-height: 1.4; }
table.data th, table.data td { padding: .7rem .9rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rule); }
table.data thead th { font-weight: 500; font-size: .8rem; color: var(--muted); background: var(--paper-2); text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; position: sticky; top: 0; }
table.data tbody tr:last-child > * { border-bottom: 0; }
table.data tbody tr:hover > * { background: #f5f2ea; }
table.data th[scope="row"] { font-weight: 500; color: var(--ink); position: sticky; left: 0; background: var(--card); box-shadow: 1px 0 0 var(--rule); white-space: nowrap; }
table.data thead th:first-child { position: sticky; left: 0; z-index: 2; box-shadow: 1px 0 0 var(--rule); }
table.data td.num { font-family: var(--mono); font-size: .85rem; text-align: right; white-space: nowrap; }
table.data th.num { text-align: right; }
table.data td:nth-child(2), table.data td:nth-child(3) { white-space: nowrap; }
table.data tr.pick > * { background: #eef3f9; }
table.data tr.pick th[scope="row"] { background: #eef3f9; }
.bar-cell { display: flex; align-items: center; gap: .6rem; min-width: 11rem; }
.bar-cell .bar { height: 10px; background: var(--blue); border-radius: 0 4px 4px 0; flex: none; }
.bar-cell .v { font-family: var(--mono); font-size: .85rem; }
.table-hint { display: none; font-family: var(--mono); font-size: .75rem; color: var(--muted); margin: .5rem 0 0; }

.post-foot { border-top: 1px solid var(--rule); margin-top: 3rem; padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-family: var(--sans); }

/* ---------- about / CV ---------- */
.cv-head { display: grid; grid-template-columns: 1fr auto; gap: 2rem 3rem; align-items: end; padding: clamp(2.5rem, 5vw, 4rem) 0 2rem; border-bottom: 1px solid var(--rule); }
.cv-head h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(2.2rem, 1.4rem + 3vw, 3.5rem); margin-bottom: .4rem; }
.cv-head .role { font-family: var(--sans); font-size: 1.15rem; color: var(--blue-deep); margin: 0 0 1rem; }
.downloads { display: flex; flex-direction: column; gap: .6rem; min-width: 15rem; }
.downloads .fileinfo { font-family: var(--mono); font-size: .72rem; opacity: .75; margin-left: auto; padding-left: .8rem; }
.cv-grid { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: 1rem 4rem; padding: 2.5rem 0; border-bottom: 1px solid var(--rule); }
.cv-grid > h2 { margin: .2rem 0 0; font-size: 1.05rem; font-family: var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 400; }
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1.6rem 2rem; }
.skills h3 { margin: 0 0 .5rem; font-size: 1.02rem; }
.skills ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.skills li { font-family: var(--sans); font-size: .9rem; border: 1px solid var(--rule-strong); border-radius: 4px; padding: .14rem .55rem; background: var(--card); }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 9rem 1fr; gap: .3rem 2rem; padding: 0 0 1.6rem; }
.timeline .when { font-family: var(--mono); font-size: .82rem; color: var(--muted); padding-top: .3rem; }
.timeline h3 { margin: 0 0 .3rem; font-size: 1.1rem; }
.timeline p { margin: 0; color: var(--ink-2); font-size: 1.05rem; }
.contact-list { list-style: none; padding: 0; margin: 0; font-family: var(--sans); display: grid; gap: .5rem; }
.contact-list span { display: inline-block; min-width: 6rem; color: var(--muted); font-size: .9rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--rule); margin-top: 4rem; padding: 2rem 0 3rem; font-family: var(--sans); font-size: .92rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; }
.site-footer a { color: var(--ink-2); }
.site-footer nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .verdict-card { position: static; order: -1; margin-bottom: 2rem; }
  .table-hint { display: block; }
}
@media (max-width: 760px) {
  body { font-size: 1.09rem; }
  .entry { grid-template-columns: 1fr; gap: .4rem; }
  .entry .meta { flex-direction: row; flex-wrap: wrap; align-items: center; gap: .6rem; padding-top: 0; }
  .hire { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 1rem; }
  .cv-head { grid-template-columns: 1fr; }
  .downloads { min-width: 0; }
  .cv-grid { grid-template-columns: 1fr; gap: 1rem; }
  .timeline li { grid-template-columns: 1fr; gap: .2rem; }
  .score { grid-template-columns: 6.5rem 1fr 2rem; }
  .site-header .wrap { padding-block: .9rem; }
  .nav { gap: .2rem 1rem; font-size: .95rem; }
  .nav .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
@media print {
  .site-header, .site-footer, .hire, .filters, .downloads { display: none; }
  body { background: #fff; }
  .table-scroll { overflow: visible; border: 0; }
}