:root {
  --char: #0a0807;
  --graphite: #14110f;
  --carbon: #1f1a16;
  --bone: #e9e2d4;
  --ash: #a39788;
  --mute: #82776b;
  --ember: #d97a3a;
  --ember-bright: #f3a35e;
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--char);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 86% 3%, rgba(217, 122, 58, 0.1), transparent 25rem),
    linear-gradient(rgba(233, 226, 212, 0.025) 1px, transparent 1px),
    var(--char);
  background-size: auto, 100% 7rem, auto;
  color: var(--bone);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

a:focus-visible {
  outline: 1px solid var(--ember-bright);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--bone);
  color: var(--char);
  font: 500 0.7rem/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header,
.site-footer,
main {
  width: min(100% - 3rem, 76rem);
  margin-inline: auto;
}

.site-header {
  min-height: 7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid rgba(233, 226, 212, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.signal {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 1.2rem rgba(217, 122, 58, 0.65);
}

.brand-divider,
.brand-section {
  color: var(--mute);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 2rem;
  color: var(--ash);
  font: 400 0.66rem/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav a,
.site-footer a { transition: color 180ms ease; }

.site-nav a:hover,
.site-footer a:hover { color: var(--ember-bright); }

.hero {
  min-height: 42rem;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(19rem, 0.7fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  padding: 7rem 0;
}

.eyebrow,
.card-index,
.status-header,
.status-code,
.site-footer {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0 0 2rem;
  color: var(--ash);
  font-size: 0.65rem;
}

.hairline {
  width: 2.2rem;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.index,
h1 span,
h2 span { color: var(--ember); }

h1, h2, h3, p { margin-top: 0; }

h1 {
  margin-bottom: 2.2rem;
  font-size: clamp(3.4rem, 7vw, 6.9rem);
  font-weight: 500;
  line-height: 0.93;
  letter-spacing: -0.055em;
}

.hero-deck {
  max-width: 39rem;
  margin-bottom: 0;
  color: rgba(233, 226, 212, 0.68);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.75;
}

.dispatch-status {
  position: relative;
  border: 1px solid rgba(233, 226, 212, 0.14);
  background: rgba(20, 17, 15, 0.72);
  padding: 2rem;
}

.dispatch-status::before {
  content: "";
  position: absolute;
  inset: -1px auto -1px -1px;
  width: 2px;
  background: var(--ember);
}

.status-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(233, 226, 212, 0.1);
  color: var(--ash);
  font-size: 0.58rem;
}

.status-live { color: var(--ember-bright); }

.status-live i {
  display: inline-block;
  width: 0.38rem;
  height: 0.38rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0.75rem var(--ember);
}

.status-code {
  margin: 1.8rem 0 0.9rem;
  color: var(--mute);
  font-size: 0.58rem;
}

.dispatch-status h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.04em;
}

.dispatch-status > p:last-child {
  margin-bottom: 0;
  color: var(--ash);
  font-size: 0.94rem;
  line-height: 1.75;
}

.focus {
  padding: 8rem 0;
  border-top: 1px solid rgba(233, 226, 212, 0.12);
}

.section-header { margin-bottom: 4rem; }
.section-header .eyebrow,
.principles .eyebrow { margin-bottom: 1.4rem; }

.section-header h2,
.principles h2 {
  margin-bottom: 0;
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(233, 226, 212, 0.14);
  border-bottom: 1px solid rgba(233, 226, 212, 0.14);
}

.focus-grid article {
  min-height: 20rem;
  padding: 2.2rem;
  border-right: 1px solid rgba(233, 226, 212, 0.14);
  transition: background 180ms ease;
}

.focus-grid article:first-child { border-left: 1px solid rgba(233, 226, 212, 0.14); }
.focus-grid article:hover { background: rgba(31, 26, 22, 0.55); }

.card-index {
  margin-bottom: 5rem;
  color: var(--ember);
  font-size: 0.59rem;
}

.focus-grid h3 {
  margin-bottom: 1rem;
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.focus-grid article > p:last-child {
  margin-bottom: 0;
  color: var(--ash);
  font-size: 0.92rem;
  line-height: 1.75;
}

.principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 9vw, 9rem);
  align-items: end;
  padding: 7rem 0 9rem;
}

.principles ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(233, 226, 212, 0.14);
}

.principles li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(233, 226, 212, 0.14);
}

.principles li span {
  color: var(--ember);
  font: 400 0.62rem/1.7 var(--mono);
  letter-spacing: 0.12em;
}

.principles li strong { font-weight: 500; }

.site-footer {
  min-height: 8rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  border-top: 1px solid rgba(233, 226, 212, 0.12);
  color: var(--mute);
  font-size: 0.58rem;
}

.site-footer p { margin: 0; }

.site-footer div {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.back-top {
  justify-self: end;
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  place-items: center;
  border: 1px solid rgba(233, 226, 212, 0.16);
  color: var(--ash);
  font-size: 1rem;
}

.error-page {
  min-height: calc(100vh - 15rem);
  display: grid;
  place-items: center;
  text-align: center;
}

.error-page h1 { margin-bottom: 1.5rem; }

.error-page p {
  max-width: 32rem;
  color: var(--ash);
  line-height: 1.7;
}

.text-link {
  display: inline-flex;
  margin-top: 1.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--ember);
  color: var(--bone);
  font: 400 0.68rem/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Reusable article page primitives for future published notes. */
.article-shell {
  width: min(100% - 3rem, 48rem);
  margin: 0 auto;
  padding: 7rem 0 10rem;
}

.article-header {
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(233, 226, 212, 0.14);
}

.article-header h1 { max-width: 46rem; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  color: var(--mute);
  font: 400 0.62rem/1.5 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.prose {
  padding-top: 3.5rem;
  color: rgba(233, 226, 212, 0.82);
  font-size: 1.08rem;
  line-height: 1.9;
}

.prose h2 {
  margin: 4rem 0 1.2rem;
  color: var(--bone);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.035em;
}

.prose a {
  color: var(--ember-bright);
  border-bottom: 1px solid rgba(243, 163, 94, 0.45);
}

.prose blockquote {
  margin: 2.5rem 0;
  padding: 0.4rem 0 0.4rem 1.5rem;
  border-left: 2px solid var(--ember);
  color: var(--bone);
  font-size: 1.25rem;
}

.prose pre {
  overflow-x: auto;
  padding: 1.5rem;
  border: 1px solid rgba(233, 226, 212, 0.12);
  background: var(--graphite);
  font: 400 0.84rem/1.7 var(--mono);
}

@media (max-width: 800px) {
  .site-header,
  .site-footer,
  main { width: min(100% - 2rem, 76rem); }

  .site-header { min-height: 6rem; }
  .brand-divider, .brand-section { display: none; }
  .site-nav { gap: 1rem; }
  .site-nav a:last-child { display: none; }

  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 4rem;
    padding: 5.5rem 0 7rem;
  }

  h1 { font-size: clamp(3.1rem, 15vw, 5rem); }
  .hero-deck { line-height: 1.65; }
  .dispatch-status { padding: 1.5rem; }
  .focus { padding: 6rem 0; }
  .focus-grid { grid-template-columns: 1fr; }

  .focus-grid article,
  .focus-grid article:first-child {
    min-height: 0;
    border-left: 1px solid rgba(233, 226, 212, 0.14);
    padding: 1.75rem;
  }

  .focus-grid article:not(:last-child) { border-bottom: 1px solid rgba(233, 226, 212, 0.14); }
  .card-index { margin-bottom: 3rem; }

  .principles {
    grid-template-columns: 1fr;
    padding: 5rem 0 7rem;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
    min-height: 10rem;
  }

  .site-footer div {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
  }

  .back-top {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}