:root {
  --ink: #eef6f3;
  --muted: #9eb2ad;
  --night: #07110f;
  --surface: #0c1916;
  --line: #21352f;
  --signal: #74f7c4;
  --signal-dark: #133d30;
  --display: "Bricolage Grotesque", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
body {
  min-width: 0;
  background:
    linear-gradient(rgba(116, 247, 196, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116, 247, 196, .035) 1px, transparent 1px),
    var(--night);
  background-size: 42px 42px;
  color: var(--ink);
  font-family: var(--display);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1200; background: var(--signal); color: var(--night); padding: 10px 14px; }
.skip-link:focus { top: 16px; }

.site-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1320px;
  min-height: 76px;
  padding: 0 32px;
}
.brand { align-items: center; display: inline-flex; font-weight: 700; gap: 12px; letter-spacing: -.025em; }
.brand span span { color: var(--signal); }
.brand-mark { background: var(--signal); border-radius: 50%; box-shadow: 0 0 0 5px var(--signal-dark); height: 10px; width: 10px; }
nav { display: flex; gap: 8px; }
nav a { color: var(--muted); font-family: var(--mono); font-size: .76rem; padding: 12px; text-transform: uppercase; }
nav a:hover { color: var(--signal); }

main, footer { margin-inline: auto; max-width: 1320px; padding-inline: 32px; }
.hero { display: grid; gap: clamp(48px, 8vw, 120px); grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr); padding-block: clamp(72px, 10vw, 148px) clamp(80px, 10vw, 132px); }
.hero-copy { max-width: 790px; }
.eyebrow { color: var(--signal); font-family: var(--mono); font-size: .73rem; letter-spacing: .09em; text-transform: uppercase; }
.eyebrow span { border: 1px solid var(--line); color: var(--muted); margin-right: 12px; padding: 6px 8px; }
h1 { font-size: clamp(3rem, 7.4vw, 7.5rem); letter-spacing: -.065em; line-height: .88; margin-top: 30px; max-width: 10ch; text-wrap: balance; }
h1 em { color: var(--signal); font-style: normal; }
.lede { color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.22rem); margin-top: 34px; max-width: 59ch; }
.hero-link { border-bottom: 1px solid var(--signal); display: inline-flex; font-family: var(--mono); font-size: .8rem; gap: 24px; margin-top: 38px; padding-bottom: 7px; text-transform: uppercase; }

.signal-panel { align-self: end; background: rgba(12, 25, 22, .9); border: 1px solid var(--line); padding: 22px; }
.panel-label { color: var(--muted); font-family: var(--mono); font-size: .7rem; letter-spacing: .09em; text-transform: uppercase; }
.signal-panel ol { list-style: none; margin-top: 20px; padding: 0; }
.signal-panel li { display: grid; gap: 4px 12px; grid-template-columns: 34px 1fr; padding: 14px 0; }
.signal-panel li + li { border-top: 1px solid var(--line); }
.signal-panel li > span { color: var(--signal); font-family: var(--mono); font-size: .72rem; grid-row: 1 / 3; }
.signal-panel strong { font-size: .98rem; }
.signal-panel small { color: var(--muted); }

.library { border-top: 1px solid var(--line); padding-block: 72px 120px; }
.section-heading { align-items: end; display: grid; gap: 32px; grid-template-columns: 1fr minmax(280px, .65fr); margin-bottom: 52px; }
.section-heading h2 { font-size: clamp(2.2rem, 5vw, 5rem); letter-spacing: -.05em; line-height: .95; margin-top: 12px; }
.section-heading > p { color: var(--muted); max-width: 56ch; }
.article-list { counter-reset: article; display: grid; gap: 1px; grid-template-columns: repeat(2, minmax(0, 1fr)); background: var(--line); border: 1px solid var(--line); }
.article-card { background: var(--surface); min-width: 0; padding: clamp(24px, 4vw, 42px); position: relative; }
.article-card::after { color: var(--signal); content: "0" counter(article); counter-increment: article; font-family: var(--mono); font-size: .67rem; position: absolute; right: 24px; top: 24px; }
.article-meta { align-items: center; color: var(--muted); display: flex; flex-wrap: wrap; font-family: var(--mono); font-size: .66rem; gap: 8px 18px; letter-spacing: .05em; padding-right: 42px; text-transform: uppercase; }
.article-category { color: var(--signal); }
.article-card h2 { font-size: clamp(1.3rem, 2.1vw, 2rem); letter-spacing: -.025em; line-height: 1.12; margin-top: 54px; max-width: 19ch; }
.article-card h2 a { background-image: linear-gradient(var(--signal), var(--signal)); background-position: 0 100%; background-repeat: no-repeat; background-size: 0 1px; transition: background-size 180ms ease-out, color 180ms ease-out; }
.article-card h2 a:hover { background-size: 100% 1px; color: var(--signal); }
.article-card p { color: var(--muted); margin-top: 18px; max-width: 58ch; }
.read-link { color: var(--signal); display: inline-flex; font-family: var(--mono); font-size: .72rem; gap: 10px; margin-top: 28px; text-transform: uppercase; }
.read-link span { transition: transform 150ms ease-out; }
.read-link:hover span { transform: translateX(4px); }

footer { border-top: 1px solid var(--line); color: var(--muted); display: grid; font-size: .82rem; gap: 18px 40px; grid-template-columns: 1fr minmax(280px, 1fr); padding-block: 34px 52px; }
footer a { color: var(--signal); }

@media (max-width: 800px) {
  .site-header, main, footer { padding-inline: 20px; }
  .hero, .section-heading, footer { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  .signal-panel { max-width: 520px; }
  .article-list { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  nav a { padding: 10px 7px; }
  h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
  .eyebrow span { display: block; margin-bottom: 12px; width: max-content; }
  .article-card h2 { margin-top: 42px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}