:root {
  color-scheme: dark;
  --bg: #090b10;
  --bg-raise: #12151c;
  --line: #2c313c;
  --text: #ebe6dc;
  --muted: #b7b1a6;
  --faint: #8e887e;
  --copper: #e0b07a;
  --copper-dim: #a37b52;
  --danger: #e7b4a8;
  --max: 76rem;
  --gutter: clamp(1rem, 2.4vw, 3rem);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(224, 176, 122, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: var(--copper); text-underline-offset: 0.18em; }
a:hover { color: #f0d3b0; }
:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.4rem 0.7rem;
  z-index: 50;
}
.skip:focus { top: 0.75rem; }

.sticky-stack {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(9, 11, 16, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.wrap {
  width: min(var(--max), calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
  min-width: 0;
}
header.site {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0 0.35rem;
}
.wordmark {
  font-family: var(--serif);
  color: var(--text);
  text-decoration: none;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.wordmark span { color: var(--copper); }
nav.primary {
  display: flex;
  gap: 0.9rem;
  overflow-x: auto;
  scrollbar-width: none;
}
nav.primary::-webkit-scrollbar { display: none; }
nav.primary a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.35rem 0;
  white-space: nowrap;
}
nav.primary a[aria-current="page"],
nav.primary a.primary-link { color: var(--text); }
nav.primary a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--copper); }

.eras {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  max-width: 100%;
  min-width: 0;
  padding: 0.35rem 0 0.6rem;
  scrollbar-width: thin;
}
.eras button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
}
.eras button[aria-pressed="true"] {
  color: var(--bg);
  background: var(--copper);
  border-color: var(--copper);
}

.hero { padding: 2.4rem 0 1.4rem; }
.hero .wrap {
  display: grid;
  gap: 1.5rem;
}
.kicker {
  margin: 0 0 0.6rem;
  color: var(--copper);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); line-height: 1.08; margin: 0 0 0.7rem; }
.dek { font-size: 1.15rem; color: var(--muted); max-width: 38rem; margin: 0 0 1.2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem 1.2rem; align-items: center; }
.btn, button.btn {
  display: inline-block;
  background: var(--copper);
  color: #1a140e;
  text-decoration: none;
  border: 0;
  font: inherit;
  font-size: 0.98rem;
  padding: 0.65rem 1rem;
  border-radius: 4px;
  cursor: pointer;
}
.btn:hover { background: #f0d3b0; color: #1a140e; }
.textlink { color: var(--text); }

.sky {
  min-height: 9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    radial-gradient(circle at 18% 40%, rgba(255,255,255,0.85) 0 1px, transparent 1.5px),
    radial-gradient(circle at 62% 28%, rgba(255,255,255,0.7) 0 1px, transparent 1.6px),
    radial-gradient(circle at 78% 62%, rgba(224,176,122,0.9) 0 1.4px, transparent 2px),
    radial-gradient(circle at 40% 70%, rgba(255,255,255,0.45) 0 1px, transparent 1.5px),
    radial-gradient(circle at 88% 22%, rgba(255,255,255,0.55) 0 1px, transparent 1.5px),
    linear-gradient(#10141c, #0c1018 40%, #1a140f);
  position: relative;
}
.sky::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 28%;
  background: linear-gradient(transparent, rgba(9, 11, 16, 0.2)),
    linear-gradient(#14110e, #14110e);
  clip-path: polygon(0 55%, 18% 40%, 34% 62%, 52% 28%, 70% 58%, 86% 36%, 100% 50%, 100% 100%, 0 100%);
  opacity: 0.9;
}

section { padding: 1.6rem 0; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }
h2.section {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  margin: 0 0 0.8rem;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
}
.section-head p { margin: 0; color: var(--muted); }

.digest {
  display: grid;
  gap: 1rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem 1.1rem 1rem;
}
.digest h2 { margin: 0; font-size: 1.55rem; }
form.signup { display: flex; flex-wrap: wrap; gap: 0.5rem; }
form.signup input[type="email"] {
  flex: 1 1 16rem;
  min-width: 0;
  background: #0c0e13;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
  padding: 0.65rem 0.75rem;
}
.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  width: 0;
  overflow: hidden;
}
.fine { color: var(--faint); font-size: 0.88rem; margin: 0.4rem 0 0; }
.form-note { min-height: 1.4em; margin: 0.55rem 0 0; }
.form-note.ok { color: var(--copper); }
.form-note.bad { color: var(--danger); }

.topics { display: flex; gap: 0.4rem; overflow-x: auto; padding-bottom: 0.8rem; }
.topics button {
  flex: 0 0 auto;
  background: transparent;
  color: var(--muted);
  border: 0;
  border-bottom: 2px solid transparent;
  font: inherit;
  font-size: 0.92rem;
  padding: 0.3rem 0.15rem;
  cursor: pointer;
}
.topics button[aria-pressed="true"] { color: var(--text); border-bottom-color: var(--copper); }

.featured {
  display: block;
  text-decoration: none;
  color: inherit;
  border-top: 2px solid var(--copper);
  padding: 1rem 0 1.1rem;
  margin-bottom: 0.4rem;
}
.featured h3 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin: 0.35rem 0; line-height: 1.15; color: var(--text); }
.meta { color: var(--faint); font-size: 0.85rem; margin: 0; letter-spacing: 0.02em; }
.card-dek { color: var(--muted); margin: 0.2rem 0 0.6rem; }
.tag {
  display: inline-block;
  color: var(--copper);
  text-decoration: none;
  font-size: 0.85rem;
  border: 1px solid var(--copper-dim);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 2rem;
}
.programs {
  display: grid;
  gap: 1.4rem 2.5rem;
}
.programs p { margin: 0 0 0.8rem; }
.card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}
.card h3 { margin: 0.3rem 0; font-size: 1.35rem; color: var(--text); line-height: 1.2; }
.card:hover h3, .featured:hover h3 { color: var(--copper); }
.empty { color: var(--muted); }

.explainers { display: grid; grid-template-columns: 1fr; gap: 0.8rem; }
.explainer {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}
.explainer h3 { margin: 0 0 0.4rem; font-size: 1.25rem; color: var(--text); }
.more { color: var(--copper); font-size: 0.9rem; }

.slots { display: grid; grid-template-columns: 1fr; gap: 0.6rem; margin: 1rem 0; }
.logo-slot {
  border: 1px dashed var(--line);
  border-radius: 8px;
  min-height: 5.5rem;
  display: grid;
  place-items: center;
  color: var(--faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}
.affiliate { display: grid; gap: 0.6rem; }
.affiliate article {
  border-top: 1px solid var(--line);
  padding: 0.7rem 0;
}
.coming {
  color: var(--faint);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prose { max-width: 40rem; }
.prose p { margin: 0 0 1rem; }
.prose li .fine { display: block; }
.prose h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }

footer.site {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.4rem;
  color: var(--muted);
  font-size: 0.92rem;
}
footer.site nav { display: flex; flex-wrap: wrap; gap: 0.8rem 1.1rem; margin-bottom: 0.7rem; }
footer.site a { color: var(--muted); }

@media (min-width: 800px) {
  .hero .wrap { grid-template-columns: 1.35fr 1fr; align-items: end; }
  .grid { grid-template-columns: 1fr 1fr; }
  .explainers { grid-template-columns: 1fr 1fr; }
  .slots { grid-template-columns: repeat(3, 1fr); }
  .affiliate { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
  .affiliate article { border-top: 0; border-left: 1px solid var(--line); padding: 0 0 0 1rem; }
  .digest { grid-template-columns: 1fr 1.1fr; align-items: center; }
  .featured {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    column-gap: 2.5rem;
    align-items: end;
  }
  .featured .meta { grid-column: 1 / -1; }
  .featured .tag { justify-self: start; }
  .featured .card-dek { margin: 0 0 0.6rem; }
}

@media (min-width: 1680px) {
  :root { --max: 112rem; }

  .page-home .desk {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 24rem;
    column-gap: 3rem;
    row-gap: 0.5rem;
    width: min(var(--max), calc(100% - 2 * var(--gutter)));
    margin-inline: auto;
    align-items: start;
  }
  .page-home .desk .wrap { width: auto; margin: 0; }
  .page-home .desk > .hero { grid-column: 1; grid-row: 1; }
  .page-home .desk > #digest { grid-column: 2; grid-row: 1; align-self: end; }
  .page-home .desk > #news { grid-column: 1; grid-row: 2; }
  .page-home .desk > #sponsors { grid-column: 2; grid-row: 2; }
  .page-home .desk > .explain,
  .page-home .desk > .shelf { grid-column: 1 / -1; }
  .page-home .desk .sky { display: none; }
  .page-home .desk .hero { padding-bottom: 0.4rem; }
  .page-home .desk .hero .wrap { display: block; }
  .page-home .desk .hero h1 { font-size: clamp(3.2rem, 3.6vw, 5rem); max-width: 16ch; }
  .page-home .desk .digest {
    height: 100%;
    grid-template-columns: 1fr;
    align-content: center;
  }
  .page-home .desk form.signup { flex-direction: column; align-items: stretch; }
  .page-home .desk form.signup input[type="email"] { flex: 0 0 auto; }
  .page-home .desk form.signup .btn { width: 100%; }
  .page-home .desk #sponsors .prose { max-width: none; }
  .page-home .desk #sponsors .slots { grid-template-columns: 1fr; }
  .page-home .desk .grid { grid-template-columns: 1fr 1fr; }
  .page-home .desk .explainers { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .page-news .sheet {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.72fr);
    column-gap: 3rem;
    align-items: start;
  }
  .page-news .sheet > .kicker,
  .page-news .sheet > h1,
  .page-news .sheet > .dek,
  .page-news .sheet > .topics,
  .page-news .sheet > .empty { grid-column: 1 / -1; }
  .page-news .sheet > .featured { grid-column: 1; grid-row: 5; display: block; }
  .page-news .sheet > .grid { grid-column: 2; grid-row: 5; grid-template-columns: 1fr; }

  .page-timeline .programs { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  header.site { flex-direction: column; align-items: stretch; gap: 0.2rem; }
  form.signup { flex-direction: column; align-items: stretch; }
  form.signup input[type="email"],
  form.signup .btn { width: 100%; }
}