/* Chris Jones · portfolio · ash and tarnished gold */

:root {
  --void: #121110;
  --surface: #1B1815;
  --parchment: #E7E1D3;
  --ash: #9A9284;
  --gold: #C9A961;
  --gold-dim: #9C8450;  /* 4.9:1 on --void; the old #8A7442 was 4.2:1 and failed AA */
  --hairline: #2C2822;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", -apple-system, sans-serif;
  --display: "Archivo", "Arial Black", Helvetica, sans-serif;
  --caps: "IBM Plex Mono", ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

body {
  background: var(--void);
  color: var(--parchment);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--gold); color: var(--void); }

.wrap { max-width: 820px; margin: 0 auto; padding: 0 1.4rem; }

a { color: var(--gold); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 120ms ease, color 120ms ease; }
a:hover { border-bottom-color: var(--gold); }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 2px; }

.skip { position: absolute; left: -9999px; top: 0; z-index: 100; }
.skip:focus { left: 0; background: var(--gold); color: var(--void); padding: 0.6rem 1rem; font-family: var(--mono); font-size: 0.8rem; }

.eyebrow {
  font-family: var(--caps);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- site chrome ---------- */

header.site { padding: 2.3rem 0 0; }
header.site .wrap { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.site-name { font-family: var(--display); font-weight: 800; font-size: 0.9rem; letter-spacing: 0.02em; text-transform: uppercase; color: var(--parchment); }
nav a, .back { font-family: var(--caps); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ash); }
nav a { margin-left: 1.1rem; }
nav a:hover, .back:hover { color: var(--gold); }

footer { margin-top: 3.5rem; padding: 2.4rem 0 3.2rem; border-top: 1px solid var(--hairline); }
footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
footer .links a, footer a { font-family: var(--mono); font-size: 0.78rem; margin-right: 1.3rem; }
.fine-mark { font-family: var(--caps); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--ash); text-transform: uppercase; }

/* ---------- hero ---------- */

.hero { padding: 4.5rem 0 2.6rem; }
.hero h1 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(2.4rem, 6.6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  margin: 1.1rem 0 1.4rem;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lede { max-width: 60ch; }
.hero .links { margin-top: 1.5rem; font-family: var(--mono); font-size: 0.8rem; }
.hero .links a { margin-right: 1.4rem; }

.now { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding: 0.85rem 0; }
.now .wrap { display: flex; gap: 0.9rem; align-items: baseline; flex-wrap: wrap; }
.now .label { color: var(--gold); font-family: var(--caps); font-weight: 600; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; }
.now .item { font-family: var(--mono); font-size: 0.78rem; color: var(--ash); }

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

section { padding: 3.4rem 0 0.6rem; }
h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.6rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--hairline);
  /* flex, not float: a float does not expand its parent, so a long title +
     note pushed the note below the border-bottom on narrow screens */
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.6rem 1rem;
  flex-wrap: wrap;
}
h2 .h2-note { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: none; color: var(--ash); font-weight: 400; }

/* ---------- featured project ---------- */

.featured {
  border: 1px solid var(--gold-dim);
  border-left: 3px solid var(--gold);
  background: var(--surface);
  padding: 1.7rem 1.8rem;
}
.featured .tagline { font-family: var(--caps); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); }
.featured h3 { font-family: var(--display); font-weight: 900; font-size: 1.75rem; line-height: 1.15; letter-spacing: -0.02em; margin: 0.5rem 0 0.3rem; }
.featured .meta { font-family: var(--mono); font-size: 0.74rem; color: var(--ash); margin-bottom: 0.9rem; }
.featured p { max-width: 64ch; }
.featured .evidence { margin-top: 1rem; }
.featured .cta { margin-top: 1rem; font-family: var(--mono); font-size: 0.79rem; color: var(--ash); }

/* ---------- project grid ---------- */

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--void); padding: 1.4rem 1.5rem; display: flex; flex-direction: column; }
.card h3 { font-family: var(--display); font-weight: 800; font-size: 1.1rem; line-height: 1.25; letter-spacing: -0.012em; color: var(--parchment); }
.card .meta { font-family: var(--mono); font-size: 0.71rem; color: var(--ash); margin: 0.35rem 0 0.7rem; }
.card p { font-size: 0.94rem; line-height: 1.65; flex-grow: 1; }
.card .evidence { margin-top: 0.8rem; font-size: 0.72rem; }
.card .cta { margin-top: 0.9rem; font-family: var(--mono); font-size: 0.76rem; color: var(--ash); }

.evidence { font-family: var(--mono); font-size: 0.76rem; line-height: 1.6; color: var(--ash); }
.evidence b { color: var(--gold); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; margin-right: 0.45rem; }

/* ---------- writing list ---------- */

.post-list { list-style: none; }
.post-list li { padding: 0.9rem 0; border-top: 1px solid var(--hairline); display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
.post-list li:first-child { border-top: none; padding-top: 0; }
.post-list li:last-child { border-bottom: 1px solid var(--hairline); }
.post-list .title { font-family: var(--display); font-size: 1rem; font-weight: 700; letter-spacing: -0.005em; }
.post-list .title a { color: var(--parchment); }
.post-list .title a:hover { color: var(--gold); border-bottom-color: var(--gold); }
.post-list .tag { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ash); white-space: nowrap; }
.post-list .tag.live { color: var(--gold); }

/* ---------- condensed experience ---------- */

.exp { border-top: 1px solid var(--hairline); padding: 1.1rem 0; }
.exp:last-of-type { border-bottom: 1px solid var(--hairline); }
.exp h3 { font-family: var(--display); font-weight: 700; font-size: 1.02rem; letter-spacing: -0.005em; color: var(--parchment); }
.exp .meta { font-family: var(--mono); font-size: 0.72rem; color: var(--ash); margin: 0.25rem 0 0.5rem; }
.exp p { font-size: 0.94rem; max-width: 68ch; }
.exp .locked { font-family: var(--mono); font-size: 0.71rem; color: var(--gold-dim); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 0.45rem; }

.about p { max-width: 66ch; margin-bottom: 0.9rem; }

/* ---------- article pages ---------- */

article { padding: 4rem 0 3rem; }
article .wrap { max-width: 680px; }
article h1 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0.9rem 0 1.7rem;
}
article h2 { font-size: 0.86rem; letter-spacing: 0.12em; margin: 2.6rem 0 1rem; padding-bottom: 0.5rem; }
article p { margin-bottom: 1.15rem; }
article ol, article ul { margin: 0 0 1.15rem 1.4rem; }
article li { margin-bottom: 0.5rem; }

.callout { border-left: 3px solid var(--gold); padding: 0.95rem 1.25rem; margin: 1.7rem 0; background: var(--surface); font-size: 0.96rem; }

table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
th { font-family: var(--display); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ash); text-align: left; padding: 0.55rem 0.6rem; border-bottom: 2px solid var(--gold-dim); }
td { padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--hairline); font-family: var(--mono); font-size: 0.82rem; color: var(--parchment); }
td:first-child { font-family: var(--sans); font-size: 0.92rem; }
tr.win td { color: var(--gold); font-weight: 500; }
/* tighten so row labels stay on one line instead of wrapping to two */
@media (max-width: 480px) {
  th { font-size: 0.62rem; letter-spacing: 0.05em; padding: 0.5rem 0.3rem; }
  td { font-size: 0.74rem; padding: 0.5rem 0.3rem; }
  td:first-child { font-size: 0.8rem; }
}

.fine { font-family: var(--mono); font-size: 0.74rem; color: var(--ash); margin-top: 2.4rem; border-top: 1px solid var(--hairline); padding-top: 1.2rem; }

/* ---------- article extras: figures, code, notes ---------- */

.post-kicker { font-family: var(--caps); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }

figure { margin: 1.9rem 0; }
figure img { width: 100%; display: block; border: 1px solid var(--hairline); background: var(--surface); }
/* tap/click a figure for the full-resolution version — charts are dense and the
   article column is only 680px */
figure a { display: block; border-bottom: none; }
figure a:hover img { border-color: var(--gold-dim); }
figcaption { font-family: var(--mono); font-size: 0.73rem; line-height: 1.55; color: var(--ash); margin-top: 0.55rem; }

pre {
  background: var(--surface);
  border-left: 3px solid var(--hairline);
  padding: 1rem 1.15rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: var(--mono);
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--parchment);
}
code { font-family: var(--mono); font-size: 0.88em; color: var(--gold); }
pre code { color: var(--parchment); font-size: 1em; }

.toc { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); padding: 1rem 0; margin: 2rem 0 2.6rem; }
.toc span { font-family: var(--caps); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ash); display: block; margin-bottom: 0.5rem; }
.toc ol { margin: 0 0 0 1.2rem; }
.toc li { margin-bottom: 0.15rem; font-size: 0.92rem; }

.note-body { font-size: 1.05rem; }
.note-body p { margin-bottom: 1.2rem; }

.figrow { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.9rem 0; }
@media (max-width: 600px) { .figrow { grid-template-columns: 1fr; } }
.figrow figure { margin: 0; }