:root {
  color-scheme: dark;
  --ink: #070a0c;
  --panel: #0d1316;
  --panel-2: #10191d;
  --paper: #e7eeed;
  --muted: #91a0a2;
  --dim: #627073;
  --line: rgba(210, 231, 232, .14);
  --line-strong: rgba(210, 231, 232, .28);
  --cyan: #64dce2;
  --amber: #c69a5b;
  --content: 1180px;
  --article: 760px;
  --display: "Bahnschrift", "Arial Narrow", "Segoe UI", sans-serif;
  --body: "Segoe UI", Arial, sans-serif;
  --mono: "Cascadia Mono", "Consolas", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 78% 2%, rgba(100, 220, 226, .075), transparent 25rem),
    linear-gradient(180deg, #080c0e 0, var(--ink) 30rem);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: 100;
  inset: 0;
  pointer-events: none;
  opacity: .12;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.015) 0, rgba(255,255,255,.015) 1px, transparent 1px, transparent 4px);
  content: "";
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, a { font: inherit; }
::selection { color: #031012; background: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 200;
  top: 10px;
  left: 12px;
  padding: 10px 14px;
  color: #031012;
  background: var(--cyan);
  font: 800 10px var(--mono);
  letter-spacing: .08em;
  transform: translateY(-160%);
  transition: transform .18s ease;
}
.skip-link:focus { transform: none; }
.shell { width: min(calc(100% - 48px), var(--content)); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 12, .9);
  backdrop-filter: blur(16px);
}
.site-header .shell {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 20px; font-weight: 900; letter-spacing: .04em; }
.brand b { color: var(--cyan); }
.brand-mark { width: 30px; height: 30px; border: 1px solid rgba(100,220,226,.5); box-shadow: inset 0 0 16px rgba(100,220,226,.12); transform: rotate(45deg); }
.site-nav { display: flex; align-items: center; gap: 24px; color: var(--muted); font: 700 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--cyan); }
.nav-play { padding: 11px 15px; border: 1px solid rgba(100,220,226,.45); color: var(--paper) !important; background: rgba(100,220,226,.06); }

.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--cyan); font: 800 10px var(--mono); letter-spacing: .17em; text-transform: uppercase; }
.eyebrow::before { width: 26px; height: 1px; background: currentColor; content: ""; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--dim); font: 700 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.breadcrumb a:hover { color: var(--cyan); }

.journal-hero { padding: 74px 0 58px; }
.journal-hero-grid { display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: clamp(32px, 6vw, 82px); }
.journal-hero h1, .article-header h1 {
  margin: 18px 0;
  font: 900 clamp(48px, 7vw, 94px)/.86 var(--display);
  letter-spacing: -.045em;
  text-transform: uppercase;
}
.journal-hero h1 span, .article-header h1 span { color: var(--cyan); }
.journal-hero p { max-width: 580px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.button { display: inline-flex; min-height: 45px; align-items: center; gap: 14px; padding: 0 18px; border: 1px solid var(--line-strong); font: 800 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; transition: border-color .18s ease, background .18s ease, color .18s ease; }
.button:hover { border-color: var(--cyan); color: var(--cyan); }
.button-primary { border-color: var(--cyan); color: #041113; background: var(--cyan); }
.button-primary:hover { color: #041113; background: #86f4f4; }
.hero-art { position: relative; border: 1px solid var(--line); background: var(--panel); box-shadow: 0 28px 80px rgba(0,0,0,.35); }
.hero-art::before, .hero-art::after { position: absolute; z-index: 2; width: 42px; height: 42px; border-color: var(--cyan); content: ""; }
.hero-art::before { top: -1px; left: -1px; border-top: 2px solid; border-left: 2px solid; }
.hero-art::after { right: -1px; bottom: -1px; border-right: 2px solid; border-bottom: 2px solid; }
.hero-art img { width: 100%; aspect-ratio: 1.91 / 1; object-fit: cover; }

.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.section-heading h2 { margin: 8px 0 0; font: 900 clamp(30px, 4vw, 50px)/1 var(--display); letter-spacing: -.025em; text-transform: uppercase; }
.section-heading p { max-width: 480px; margin: 0; color: var(--muted); line-height: 1.65; }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.article-card { position: relative; min-height: 340px; display: flex; flex-direction: column; padding: 26px; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(16,25,29,.98), rgba(8,12,14,.98)); transition: transform .2s ease, border-color .2s ease; }
.article-card:hover { border-color: rgba(100,220,226,.48); transform: translateY(-3px); }
.article-card::after { position: absolute; right: -50px; bottom: -70px; width: 180px; height: 180px; border: 1px solid rgba(100,220,226,.12); transform: rotate(45deg); content: ""; }
.article-card-featured { grid-column: 1 / -1; min-height: 400px; padding-right: min(52%, 620px); background: linear-gradient(90deg, rgba(5,9,11,.98) 0 42%, rgba(5,9,11,.55) 68%, rgba(5,9,11,.2)), url('/blog/field-journal-og.png') center/cover; }
.card-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--cyan); font: 800 9px var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.article-card h2, .article-card h3 { position: relative; z-index: 1; margin: 44px 0 16px; font: 900 clamp(25px, 3vw, 42px)/1.04 var(--display); letter-spacing: -.02em; text-transform: uppercase; }
.article-card p { position: relative; z-index: 1; max-width: 600px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.card-link { position: relative; z-index: 1; margin-top: auto; padding-top: 32px; color: var(--paper); font: 800 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.article-card:hover .card-link { color: var(--cyan); }

.field-strip { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: var(--panel); }
.field-strip div { min-height: 110px; padding: 22px; border-right: 1px solid var(--line); }
.field-strip div:last-child { border-right: 0; }
.field-strip strong, .field-strip span { display: block; }
.field-strip strong { font: 900 26px var(--display); }
.field-strip span { margin-top: 7px; color: var(--dim); font: 700 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }

.article-header { padding: 48px 0 46px; border-bottom: 1px solid var(--line); }
.article-header .shell { max-width: 1000px; }
.article-header h1 { max-width: 940px; font-size: clamp(44px, 6.7vw, 84px); }
.article-deck { max-width: 780px; margin: 0; color: var(--muted); font-size: clamp(17px, 2vw, 21px); line-height: 1.65; }
.article-byline { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 30px; color: var(--dim); font: 700 10px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.article-banner { width: min(calc(100% - 48px), 1180px); margin: 38px auto 0; border: 1px solid var(--line); }
.article-banner img { width: 100%; aspect-ratio: 1.91 / 1; object-fit: cover; }

.article-layout { width: min(calc(100% - 48px), 1040px); display: grid; grid-template-columns: minmax(0, var(--article)) 220px; gap: 60px; margin: 58px auto 90px; }
.article-body { min-width: 0; }
.article-body > p:first-of-type { color: #c5d0cf; font-size: 20px; line-height: 1.7; }
.article-body h2 { margin: 58px 0 18px; padding-top: 8px; color: var(--paper); font: 900 34px/1.08 var(--display); letter-spacing: -.015em; text-transform: uppercase; }
.article-body h3 { margin: 36px 0 12px; font: 900 22px/1.18 var(--display); letter-spacing: .005em; text-transform: uppercase; }
.article-body p, .article-body li { color: #9eacad; font-size: 16px; line-height: 1.82; }
.article-body strong { color: var(--paper); }
.article-body a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li + li { margin-top: 9px; }
.article-body hr { height: 1px; margin: 52px 0; border: 0; background: var(--line); }
.article-body blockquote, .callout { margin: 32px 0; padding: 22px 24px; border-left: 2px solid var(--cyan); color: #b6c4c4; background: rgba(100,220,226,.055); line-height: 1.7; }
.callout strong { display: block; margin-bottom: 7px; color: var(--cyan); font: 800 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.data-table { width: 100%; margin: 28px 0; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td { padding: 14px 15px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table th { color: var(--cyan); background: rgba(100,220,226,.055); font: 800 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.data-table td { color: var(--muted); line-height: 1.55; }
.toc { position: sticky; top: 102px; align-self: start; padding: 20px; border-left: 1px solid var(--line); }
.toc strong { color: var(--paper); font: 800 9px var(--mono); letter-spacing: .13em; text-transform: uppercase; }
.toc a { display: block; margin-top: 14px; color: var(--dim); font-size: 12px; line-height: 1.35; }
.toc a:hover { color: var(--cyan); }

.related { padding: 66px 0; border-top: 1px solid var(--line); background: rgba(255,255,255,.012); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 26px; }
.related a { min-height: 150px; padding: 20px; border: 1px solid var(--line); background: var(--panel); transition: border-color .18s ease; }
.related a:hover { border-color: var(--cyan); }
.related small { color: var(--cyan); font: 800 8px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.related b { display: block; margin-top: 18px; font: 900 19px/1.15 var(--display); text-transform: uppercase; }

.site-footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--dim); font: 700 9px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.site-footer .shell { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a:hover { color: var(--cyan); }

@media (max-width: 900px) {
  .journal-hero-grid { grid-template-columns: 1fr; }
  .journal-hero-copy { order: 2; }
  .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; order: -1; border: 1px solid var(--line); }
  .related-grid { grid-template-columns: 1fr; }
  .field-strip { grid-template-columns: repeat(2, 1fr); }
  .field-strip div:nth-child(2) { border-right: 0; }
  .field-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 680px) {
  .shell, .article-banner, .article-layout { width: min(calc(100% - 28px), var(--content)); }
  .site-header .shell { min-height: 64px; }
  .site-nav a:not(.nav-play) { display: none; }
  .journal-hero { padding-top: 42px; }
  .journal-hero h1 { font-size: 52px; }
  .section { padding: 54px 0; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 16px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-card-featured { grid-column: auto; min-height: 430px; padding-right: 26px; background: linear-gradient(180deg, rgba(5,9,11,.45), rgba(5,9,11,.98) 66%), url('/blog/field-journal-og.png') center/cover; }
  .article-card-featured h2 { margin-top: auto; }
  .article-header { padding-top: 32px; }
  .article-header h1 { font-size: 45px; }
  .article-body h2 { font-size: 29px; }
  .article-body p, .article-body li { font-size: 15px; }
  .data-table { display: block; overflow-x: auto; }
  .site-footer .shell { align-items: flex-start; flex-direction: column; }
}