/* markhendrix.com — hand-written, no framework. Tokens first; change the theme here. */
:root {
  --paper: #f1f4f7;
  --sheet: #ffffff;
  --ink: #14233a;
  --muted: #56657a;
  --rule: #b9c3cf;
  --signal: #e2a200;   /* live values, known issue */
  --ok: #2b7a57;       /* active certs, availability */
  --sans: "Archivo", system-ui, sans-serif;
  --mono: "Martian Mono", ui-monospace, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans); font-variation-settings: "wdth" 100;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
.wrap { max-width: 76rem; margin: 0 auto; padding: 0 2rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--sheet); padding: .5rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; }

/* header */
.top { display: flex; justify-content: space-between; align-items: baseline; padding: 1.5rem 0; border-bottom: 1px solid var(--rule); }
.top .name { font-weight: 700; font-variation-settings: "wdth" 125; letter-spacing: -.01em; text-decoration: none; }
.top nav a { margin-left: 1.75rem; text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--ink); }

/* hero: the request trace */
.hero { padding: 4.5rem 0 3.5rem; }
.lede { font-size: 1.125rem; color: var(--muted); margin: 0 0 2.5rem; max-width: 34rem; }
.trace { display: grid; grid-template-columns: repeat(4, 1fr); position: relative; margin: 0 0 4.5rem; padding: 0; list-style: none; }
.trace::before { content: ""; position: absolute; left: 0; right: 25%; top: 1.6rem; height: 1px; background: var(--ink); }
.packet { position: absolute; top: calc(1.6rem - 5px); left: 0; width: 11px; height: 11px; background: var(--signal); border: 1px solid var(--ink); animation: travel 2.4s cubic-bezier(.6, 0, .3, 1) .4s both; }
@keyframes travel { from { left: 0; } to { left: 75%; } }
.hop { position: relative; padding-right: 1.5rem; }
.hop:first-child { position: static; } /* so the packet travels along .trace, not inside this hop */
.hop .box { display: inline-block; position: relative; background: var(--sheet); border: 1px solid var(--ink); padding: .7rem 1rem; font-weight: 600; font-variation-settings: "wdth" 112; min-height: 3.2rem; }
.hop:last-child .box { background: var(--ink); color: var(--sheet); }
.hop dl { margin: 1rem 0 0; font: 400 .75rem/1.7 var(--mono); }
.hop dt { color: var(--muted); }
.hop dd { margin: 0 0 .35rem; }
.hop dd.live { background: color-mix(in srgb, var(--signal), transparent 70%); display: inline-block; padding: 0 .3rem; margin-left: -.3rem; }

h1 { font-size: clamp(3.25rem, 9vw, 8.5rem); line-height: .9; margin: 0; font-weight: 800; font-variation-settings: "wdth" 125; letter-spacing: -.03em; }
.role { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--ink); }
.role p { margin: 0; font-size: 1.25rem; line-height: 1.45; max-width: 30rem; }
.role .aside { color: var(--muted); font-size: 1rem; }
.role .open { margin-top: 1rem; color: var(--ink); font-weight: 600; }
.open::before { content: ""; display: inline-block; width: .6rem; height: .6rem; background: var(--ok); margin-right: .55rem; vertical-align: .05rem; }

/* sections */
section { padding: 4rem 0; border-top: 1px solid var(--rule); }
.sec { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 2rem; }
h2 { font-size: 1.5rem; margin: 0; font-weight: 700; font-variation-settings: "wdth" 112; line-height: 1.2; }
h2 small { display: block; font-weight: 400; font-size: .9375rem; color: var(--muted); margin-top: .5rem; font-variation-settings: "wdth" 100; }

/* work */
.jobs { margin: 0; padding: 0; list-style: none; }
.job { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 1.5rem; padding: 1.75rem 0; border-bottom: 1px solid var(--rule); }
.job:first-child { padding-top: 0; }
.job:last-child { border-bottom: 0; }
.when { font: 400 .8125rem/1.9 var(--mono); color: var(--muted); }
.job h3 { margin: 0; font-size: 1.1875rem; font-weight: 650; line-height: 1.3; }
.job .org { margin: .1rem 0 .6rem; color: var(--muted); }
.job ul { margin: 0; padding-left: 1.1rem; max-width: 40rem; }
.job li { margin: .25rem 0; }
.job.past h3 { font-size: 1.0625rem; }

/* stack: layered like a network diagram, certs beside the layer they cover */
.layers { border: 1px solid var(--ink); background: var(--sheet); }
.layer { display: grid; grid-template-columns: 12rem minmax(0, 1fr) 15rem; gap: 1.5rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--rule); align-items: baseline; }
.layer:last-child { border-bottom: 0; }
.layer b { font-weight: 650; font-variation-settings: "wdth" 112; }
.cert { font: 400 .75rem/1.6 var(--mono); color: var(--ok); }
.cert.lapsed { color: var(--muted); }
.cert a { color: inherit; }

/* known issue, styled like a status-page incident */
.issue { margin-top: 2rem; background: var(--sheet); border: 1px solid var(--ink); border-left: 6px solid var(--signal); padding: 1.25rem 1.5rem 1.4rem; }
.issue h3 { margin: 0 0 .75rem; font-size: 1.1875rem; font-weight: 650; font-variation-settings: "wdth" 112; }
.issue dl { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: .3rem 1rem; margin: 0 0 1rem; font: 400 .8125rem/1.6 var(--mono); }
.issue dt { color: var(--muted); }
.issue dd { margin: 0; }
.issue p { margin: 0; max-width: 40rem; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2.5rem; }
.facts p { margin: 0; color: var(--muted); }
.facts strong { display: block; color: var(--ink); font-weight: 650; }

/* contact */
form { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.5rem; max-width: 44rem; }
label { display: block; font-size: .875rem; color: var(--muted); margin-bottom: .3rem; }
input, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--sheet); border: 1px solid var(--ink); border-radius: 0; padding: .7rem .8rem; }
.full { grid-column: 1 / -1; }
.trap { position: absolute; left: -9999px; }
button { font: 600 1rem var(--sans); font-variation-settings: "wdth" 112; background: var(--ink); color: var(--sheet); border: 0; padding: .9rem 1.6rem; cursor: pointer; justify-self: start; }
button:hover { background: #000; }
.direct { margin: 2rem 0 0; }
footer { padding: 2rem 0 3rem; color: var(--muted); font-size: .875rem; border-top: 1px solid var(--rule); }

@media (max-width: 900px) {
  .wrap { padding: 0 1rem; }
  .top nav a { margin-left: 1rem; }
  .hero { padding-top: 3rem; }
  .trace { grid-template-columns: 1fr; gap: 1.25rem; padding-left: 1.5rem; margin-bottom: 3.5rem; }
  .trace::before { left: .3rem; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .packet { display: none; }
  .hop { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: .75rem; align-items: start; padding-right: 0; }
  .hop .box { font-size: .9375rem; padding: .5rem .7rem; min-height: 0; }
  .hop dl { margin: 0; }
  .role, .sec, .job, .layer, .facts, form { grid-template-columns: 1fr; }
  .sec { gap: 1.25rem; }
  .job, .layer { gap: .5rem; }
  .layer { gap: .2rem; }
  .issue { padding: 1rem 1rem 1.2rem; }
  .issue dl { grid-template-columns: 1fr; gap: 0; }
  .issue dd { margin-bottom: .4rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .packet { animation: none; left: 75%; }
}