/* Liam Dodds: personal site
   Layout idea: an analyst's ledger. A narrow mono label column on the left,
   a readable 40rem text column on the right, positions set as numbered
   entries with a confidence scale. Black and white, one red accent. Legibility first: 18px body, high contrast. */

:root {
  --paper: #fafaf9;
  --surface: #ffffff;
  --ink: #111111;
  --ink-2: #4d4d4d;
  --rule: #dcdcdc;
  --accent: #c8102e;
  --accent-soft: #f7e4e6;

  --display: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --step--1: 0.875rem;
  --step-0: 1.125rem;
  --step-1: 1.375rem;
  --step-2: 1.75rem;
  --step-3: clamp(1.75rem, 3.4vw, 2.2rem);
  --step-4: clamp(2.75rem, 7vw, 4.5rem);

  --measure: 40rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0e0e0e;
    --surface: #171717;
    --ink: #ededed;
    --ink-2: #a8a8a8;
    --rule: #2e2e2e;
    --accent: #ff4d55;
    --accent-soft: #2b1214;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0e0e0e;
  --surface: #171717;
  --ink: #ededed;
  --ink-2: #a8a8a8;
  --rule: #2e2e2e;
  --accent: #ff4d55;
  --accent-soft: #2b1214;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1.5px; }
a:hover { color: var(--accent); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { font-family: var(--display); font-weight: 500; line-height: 1.15; text-wrap: balance; margin: 0; }
p { margin: 0; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--gutter); top: 0.5rem; background: var(--surface); padding: 0.5rem 0.75rem; z-index: 10; }

.wrap { max-width: 70rem; margin: 0 auto; padding: 0 var(--gutter); }

/* Top bar */
.topbar { border-bottom: 1px solid var(--rule); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--ink); text-decoration: none; font-weight: 600; }
.brand-mark { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em; border: 1.5px solid var(--ink); border-radius: 3px; padding: 0.1rem 0.35rem; }
.nav { display: flex; gap: clamp(0.9rem, 2.5vw, 1.75rem); flex-wrap: wrap; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: var(--step--1); font-family: var(--mono); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }

/* Labels */
.label { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); letter-spacing: 0.02em; }

/* Hero */
.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4.5rem); }
.hero-grid { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.25rem, 4vw, 3rem); align-items: start; }
.portrait { width: clamp(5rem, 12vw, 8.5rem); aspect-ratio: 1; border-radius: 50%; background: var(--ink); color: var(--paper); display: grid; place-items: center; font-family: var(--display); font-size: clamp(1.75rem, 4vw, 2.75rem); position: relative; overflow: hidden; border: 1px solid var(--rule); }
.portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero h1 { font-size: var(--step-4); letter-spacing: -0.015em; margin: 0.35rem 0 1.25rem; }
.thesis { font-family: var(--display); font-style: italic; font-size: clamp(1.5rem, 3.2vw, 2.15rem); line-height: 1.3; max-width: 30ch; color: var(--ink); text-wrap: balance; }
.thesis em { font-style: normal; color: var(--accent); }
.intro { max-width: var(--measure); margin-top: 1.5rem; color: var(--ink-2); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; align-items: center; margin-top: 2rem; }
.btn { display: inline-block; font-family: var(--body); font-weight: 600; font-size: 1rem; padding: 0.7rem 1.15rem; border-radius: 4px; text-decoration: none; border: 1.5px solid var(--ink); }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #ffffff; }
.btn-ghost { color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.socials { display: flex; gap: 1rem; font-family: var(--mono); font-size: var(--step--1); }

/* Sections */
.section { border-top: 1px solid var(--rule); padding: clamp(3rem, 7vw, 5rem) 0; }
.section-grid { display: grid; grid-template-columns: 13rem 1fr; gap: 1.5rem clamp(1.5rem, 4vw, 3.5rem); }
.section-head { align-self: start; position: sticky; top: 1.5rem; }
.section-head .num { display: block; font-family: var(--mono); font-size: var(--step--1); color: var(--accent); }
.section-head h2 { font-size: var(--step-2); margin-top: 0.25rem; }
.section-lede { max-width: var(--measure); color: var(--ink-2); margin-bottom: 2.5rem; }
.section-lede strong { color: var(--ink); font-weight: 600; }

/* Positions */
.positions { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: pos; }
.position { padding: 2rem 0; border-top: 1px solid var(--rule); display: grid; gap: 0.9rem; max-width: 46rem; }
.position:first-child { border-top: 0; padding-top: 0; }
.position-top { display: grid; grid-template-columns: 2.5rem 1fr; gap: 0.5rem; align-items: baseline; }
.position-top .idx { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); }
.position h3 { font-size: var(--step-3); letter-spacing: -0.01em; }
.position p, .position dl { margin-left: 3rem; max-width: var(--measure); }
.position dl { margin-top: 0.25rem; margin-bottom: 0; display: grid; gap: 0.35rem; padding: 1rem 1.1rem; background: var(--surface); border-left: 3px solid var(--accent); border-radius: 0 4px 4px 0; }
.position dt { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); }
.position dd { margin: 0; font-size: 1rem; }
.confidence { margin-left: 3rem; display: grid; grid-template-columns: auto 1fr auto; gap: 0.75rem; align-items: center; max-width: 26rem; }
.confidence .track { height: 6px; background: var(--rule); border-radius: 3px; position: relative; overflow: hidden; }
.confidence .fill { position: absolute; inset: 0 auto 0 0; background: var(--accent); border-radius: 3px; }
.confidence .val { font-family: var(--mono); font-size: var(--step--1); font-variant-numeric: tabular-nums; color: var(--ink); }

/* Capabilities */
.caps { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 2rem 2.5rem; }
.cap h3 { font-family: var(--body); font-weight: 600; font-size: var(--step-1); margin-bottom: 0.5rem; }
.cap p { color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.85rem; padding: 0; list-style: none; }
.tags li { font-family: var(--mono); font-size: 0.8125rem; padding: 0.15rem 0.5rem; border: 1px solid var(--rule); border-radius: 3px; color: var(--ink-2); background: var(--surface); }

/* Work */
.work { display: grid; gap: 0; }
.case { display: grid; grid-template-columns: 11rem 1fr; gap: 0.5rem 2rem; padding: 1.75rem 0; border-top: 1px solid var(--rule); }
.case:first-child { border-top: 0; padding-top: 0; }
.case .kind { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); padding-top: 0.35rem; }
.case h3 { font-family: var(--body); font-weight: 600; font-size: var(--step-1); margin-bottom: 0.4rem; }
.case p { max-width: var(--measure); color: var(--ink-2); }

/* Toolkit */
.toolkit { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1.5rem 2rem; margin: 0; }
.toolkit div { border-top: 2px solid var(--ink); padding-top: 0.6rem; }
.toolkit dt { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); margin-bottom: 0.3rem; }
.toolkit dd { margin: 0; font-weight: 500; }

/* Path */
.path { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; max-width: var(--measure); }
.path li { display: grid; grid-template-columns: 1.25rem 1fr; gap: 1rem; }
.path .dot { width: 0.75rem; height: 0.75rem; border-radius: 50%; border: 2px solid var(--accent); margin-top: 0.45rem; }
.path li:last-child .dot { background: var(--accent); }
.path h3 { font-family: var(--body); font-weight: 600; font-size: var(--step-0); }
.path p { color: var(--ink-2); }
.aside-note { margin-top: 2.5rem; max-width: var(--measure); color: var(--ink-2); font-size: 1rem; }

/* Notes */
.note-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; max-width: 46rem; }
.note-item { padding: 1.75rem 0; border-top: 1px solid var(--rule); display: grid; gap: 0.5rem; }
.note-item:first-child { border-top: 0; padding-top: 0; }
.note-item h3 { font-size: var(--step-2); }
.note-item h3 a { color: var(--ink); text-decoration: none; }
.note-item h3 a:hover { color: var(--accent); text-decoration: underline; }
.note-item p { color: var(--ink-2); max-width: var(--measure); }
.meta { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; }

/* Contact */
.contact p { max-width: var(--measure); }
.contact .big { font-family: var(--display); font-size: var(--step-2); line-height: 1.3; margin-bottom: 1.25rem; color: var(--ink); }

/* Footer */
.footer { border-top: 1px solid var(--rule); padding: 2rem 0 3rem; }
.footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer p { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-2); }

/* Article */
.article { padding: clamp(2.5rem, 7vw, 5rem) 0 4rem; }
.article-head { max-width: 46rem; margin: 0 auto 2.5rem; }
.article-head h1 { font-size: clamp(2.25rem, 5.5vw, 3.5rem); letter-spacing: -0.01em; margin: 0.75rem 0 1rem; }
.article-head .standfirst { font-family: var(--display); font-style: italic; font-size: var(--step-1); color: var(--ink-2); line-height: 1.45; }
.prose { max-width: var(--measure); margin: 0 auto; }
.prose > * + * { margin-top: 1.25rem; }
.prose h2 { font-size: var(--step-2); margin-top: 2.75rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: 0.5rem; }
.prose strong { font-weight: 600; }
.prose blockquote { margin-left: 0; padding-left: 1.1rem; border-left: 3px solid var(--accent); font-family: var(--display); font-size: var(--step-1); line-height: 1.45; }
.table-wrap { overflow-x: auto; margin-top: 1.5rem; }
.prose table { border-collapse: collapse; width: 100%; font-size: 1rem; min-width: 34rem; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 0.7rem 0.8rem; border-bottom: 1px solid var(--rule); }
.prose th { font-family: var(--mono); font-size: var(--step--1); font-weight: 500; color: var(--ink-2); border-bottom: 2px solid var(--ink); }
.signal { font-family: var(--mono); font-size: 0.8125rem; padding: 0.1rem 0.45rem; border-radius: 3px; border: 1px solid currentColor; white-space: nowrap; }
.signal.quiet { color: var(--ink-2); }
.signal.watch { color: var(--ink); border-style: dashed; }
.signal.break { color: var(--accent); }
.back { display: inline-block; margin-top: 3rem; font-family: var(--mono); font-size: var(--step--1); }

/* Responsive */
@media (max-width: 52rem) {
  .section-grid { grid-template-columns: 1fr; }
  .section-head { position: static; }
  .case { grid-template-columns: 1fr; }
  .case .kind { padding-top: 0; }
}
@media (max-width: 34rem) {
  body { font-size: 1.0625rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .position p, .position dl, .confidence { margin-left: 0; }
  .position-top { grid-template-columns: 1fr; gap: 0.25rem; }
}