:root {
  color-scheme: dark;
  --bg: #080806;
  --surface: #0d0c0a;
  --surface-soft: #12100d;
  --text: #eee6d8;
  --muted: #a79d90;
  --dim: #746a5f;
  --line: #2d2821;
  --line-soft: rgba(235, 228, 214, 0.08);
  --accent: #bd9850;
  --accent-cold: #7f9f98;
  --max: 1088px;
  --measure: 700px;
  --header-height: 76px;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-family:
    "Segoe UI", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(189, 152, 80, 0.022), transparent 340px),
    linear-gradient(180deg, #0a0908 0%, var(--bg) 44%, #060605 100%);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(180deg, rgba(8, 8, 6, 0) 0%, rgba(8, 8, 6, 0.76) 72%),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 19px
    );
  opacity: 0.32;
}

a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}

::selection {
  color: #090807;
  background: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 188px minmax(0, 1fr);
  align-items: center;
  gap: clamp(22px, 5vw, 72px);
  width: min(var(--max), calc(100% - 44px));
  min-height: var(--header-height);
  margin: 0 auto;
  padding: 18px 0 16px;
  border-bottom: 1px solid rgba(235, 228, 214, 0.07);
  background: rgba(8, 8, 6, 0.82);
  backdrop-filter: blur(10px);
}

.brand {
  width: fit-content;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 520;
  letter-spacing: 0;
  text-decoration: none;
}

.brand::after {
  display: inline-block;
  width: 38px;
  height: 1px;
  margin-left: 12px;
  vertical-align: middle;
  background: var(--accent);
  content: "";
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: clamp(18px, 3vw, 34px);
  padding-left: clamp(0px, 3vw, 34px);
  border-left: 1px solid var(--line-soft);
}

.site-nav a {
  position: relative;
  min-height: 30px;
  padding: 3px 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0;
  text-decoration: none;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: right;
  background: currentColor;
  content: "";
  transition: transform 170ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--text);
  outline: none;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

main {
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
}

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

h1,
h2,
h3 {
  font-weight: 680;
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 10vw, 7.8rem);
  font-weight: 520;
  line-height: 0.91;
}

.page-hero h1 {
  max-width: 960px;
  font-size: clamp(2.8rem, 7vw, 6.6rem);
  line-height: 0.98;
}

.hero {
  min-height: min(660px, calc(100svh - var(--header-height)));
  display: grid;
  align-items: center;
  padding: clamp(76px, 10vw, 118px) 0 clamp(58px, 8vw, 96px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 690px) minmax(172px, 260px);
  gap: clamp(46px, 12vw, 176px);
  align-items: center;
}

.hero-copy {
  position: relative;
  max-width: 690px;
  padding: clamp(10px, 2vw, 24px) 0 clamp(10px, 2vw, 24px) clamp(22px, 4vw, 52px);
  border-left: 1px solid rgba(189, 152, 80, 0.42);
}

.hero-copy::before {
  position: absolute;
  left: 0;
  top: -34px;
  color: var(--dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  font-family: var(--mono);
  content: "rubenwerk://index";
  transform: translateX(-1px);
}

.eyebrow,
.panel-label,
.feature-meta,
.note-meta,
.item-index,
.archive-meta,
.taxonomy-title,
.read-link {
  margin: 0;
  color: var(--accent);
  font-size: 0.73rem;
  font-weight: 760;
  line-height: 1.35;
  text-transform: uppercase;
}

.archive-meta,
.taxonomy-title,
.read-link,
.item-index,
.note-meta,
.site-nav a {
  font-family: var(--mono);
}

.eyebrow {
  margin-bottom: 26px;
  color: var(--dim);
}

.hero-kicker {
  max-width: 520px;
  margin-bottom: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--text);
  font-family: var(--mono);
  font-size: clamp(0.94rem, 1.45vw, 1.18rem);
  line-height: 1.34;
}

.hero-text,
.page-intro {
  max-width: var(--measure);
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.01rem, 1.28vw, 1.12rem);
  line-height: 1.82;
}

.signal-panel,
.index-panel {
  border-top: 1px solid var(--line);
  background: transparent;
}

.signal-panel {
  transform: translateY(56px);
  padding: 18px 0 0;
  border-top-color: rgba(127, 159, 152, 0.38);
}

.panel-label {
  writing-mode: vertical-rl;
  float: left;
  margin-right: 18px;
  color: var(--accent-cold);
}

.signal-list {
  display: grid;
  gap: 19px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.signal-list li {
  display: block;
  gap: 12px;
  align-items: start;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.signal-list span {
  display: block;
  margin-bottom: 3px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}

.statement-band {
  max-width: 740px;
  margin-left: clamp(0px, 23vw, 300px);
  padding: clamp(58px, 9vw, 106px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.statement-band p {
  max-width: 690px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  font-size: clamp(2rem, 5.1vw, 4.45rem);
  font-weight: 520;
  line-height: 1.04;
}

.frequency-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(260px, 420px);
  gap: clamp(34px, 8vw, 118px);
  align-items: start;
  max-width: 980px;
  margin-left: clamp(0px, 8vw, 112px);
  padding: clamp(58px, 8vw, 96px) 0;
  border-bottom: 1px solid var(--line);
}

.frequency-copy {
  max-width: 560px;
}

.frequency-copy h2 {
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  font-size: clamp(1.9rem, 4vw, 3.65rem);
  font-weight: 520;
  line-height: 1.08;
}

.frequency-copy p:last-child {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.78;
}

.frequency-player {
  min-height: 220px;
  padding-top: 22px;
  border-top: 1px solid rgba(127, 159, 152, 0.36);
}

.frequency-placeholder,
.local-player {
  display: grid;
  gap: 20px;
}

.frequency-placeholder p,
.local-player p {
  max-width: 340px;
  margin: 0;
  color: var(--dim);
  font-size: 0.92rem;
  line-height: 1.7;
}

.track-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.local-player h3 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.24rem, 1.8vw, 1.7rem);
  line-height: 1.16;
}

.text-button {
  width: fit-content;
  padding: 0 0 7px;
  color: var(--text);
  border: 0;
  border-bottom: 1px solid var(--accent);
  background: transparent;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.text-button:hover,
.text-button:focus-visible {
  color: var(--accent);
  border-color: currentColor;
  outline: none;
  transform: translateX(4px);
}

.audio-toggle {
  margin-top: 6px;
}

.audio-progress {
  height: 1px;
  width: 100%;
  background: var(--line);
}

.audio-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent-cold);
}

.content-grid,
.note-index,
.workbench-grid,
.text-page {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  padding: clamp(68px, 9vw, 118px) 0;
}

.content-grid {
  display: block;
  max-width: 940px;
  margin-left: clamp(0px, 10vw, 138px);
  counter-reset: feature;
}

.home-index {
  padding-top: clamp(58px, 8vw, 92px);
}

.feature-link,
.note-card,
.workbench-item {
  position: relative;
  min-height: 0;
  padding: 28px 0 32px;
  border-top: 1px solid var(--line);
  background: transparent;
  text-decoration: none;
}

.feature-link::before,
.note-card::before,
.workbench-item::before {
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 1px;
  background: var(--accent);
  content: "";
  opacity: 0.72;
  transition: width 180ms ease, opacity 180ms ease;
}

.feature-link {
  counter-increment: feature;
  display: grid;
  grid-template-columns: 72px minmax(210px, 0.62fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 68px);
  align-items: start;
}

.feature-link::after {
  grid-column: 1;
  grid-row: 1 / span 2;
  color: var(--dim);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  content: "0" counter(feature);
}

.feature-link .feature-meta {
  grid-column: 2;
}

.feature-link h2 {
  grid-column: 2;
}

.feature-link p {
  grid-column: 3;
}

.feature-link:nth-child(2) {
  margin-left: clamp(0px, 9vw, 108px);
}

.feature-link:nth-child(3) {
  max-width: 800px;
  margin-left: clamp(0px, 3vw, 42px);
}

.feature-link:hover,
.feature-link:focus-visible,
.note-card[href]:hover,
.note-card[href]:focus-visible {
  outline: none;
}

.feature-link:hover::before,
.feature-link:focus-visible::before,
.note-card[href]:hover::before,
.note-card[href]:focus-visible::before {
  width: 118px;
  opacity: 1;
}

.feature-link:hover h2,
.feature-link:focus-visible h2,
.note-card[href]:hover h2,
.note-card[href]:focus-visible h2 {
  color: var(--accent);
}

.feature-link h2,
.note-card h2,
.archive-entry h2,
.workbench-item h2,
.workbench-row h2,
.index-panel h2 {
  margin: 0 0 14px;
  color: var(--text);
  font-size: clamp(1.32rem, 1.9vw, 1.82rem);
  line-height: 1.12;
  transition: color 170ms ease;
}

.feature-link p,
.note-card p,
.workbench-item p,
.prose p {
  margin-bottom: 0;
  color: var(--muted);
}

.page-hero {
  max-width: 900px;
  padding: clamp(82px, 11vw, 142px) 0 clamp(48px, 7vw, 82px);
  border-bottom: 1px solid var(--line);
}

.archive-hero {
  max-width: 820px;
}

.text-page {
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: start;
}

.prose {
  max-width: var(--measure);
}

.prose p {
  margin-bottom: 26px;
  font-size: clamp(1.06rem, 1.42vw, 1.2rem);
  line-height: 1.78;
}

.prose .pull-line {
  max-width: 640px;
  margin-top: 48px;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.62rem, 3vw, 2.55rem);
  font-weight: 520;
  line-height: 1.13;
}

.about-page {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 408px);
  gap: clamp(40px, 7vw, 88px);
}

.about-prose {
  max-width: 760px;
}

.about-prose p {
  margin-bottom: 30px;
  line-height: 1.8;
}

.about-prose .closing-line {
  color: var(--text);
  font-size: clamp(1.16rem, 1.65vw, 1.42rem);
}

.index-panel {
  padding: 28px 0 0;
}

.coordinates-panel {
  position: sticky;
  top: calc(var(--header-height) + 26px);
}

.coordinate-list {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.coordinate-item {
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.coordinate-item h3 {
  margin: 0 0 9px;
  color: var(--accent-cold);
  font-size: 0.83rem;
  line-height: 1.25;
  text-transform: uppercase;
}

.coordinate-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.66;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.tag-list li {
  padding: 0 0 4px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.archive-layout {
  display: grid;
  grid-template-columns: minmax(120px, 190px) minmax(0, 760px);
  gap: clamp(34px, 8vw, 104px);
  align-items: start;
  padding: clamp(68px, 9vw, 118px) 0;
}

.archive-taxonomy {
  position: sticky;
  top: calc(var(--header-height) + 26px);
  padding-top: 8px;
  border-top: 1px solid rgba(127, 159, 152, 0.34);
}

.taxonomy-title {
  margin-bottom: 18px;
  color: var(--accent-cold);
}

.archive-taxonomy ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.archive-taxonomy li {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.content-archive {
  display: grid;
  gap: 0;
  max-width: 760px;
  padding: 0;
}

.archive-entry {
  border-top: 1px solid var(--line);
}

.archive-entry-main {
  display: block;
  padding: 28px 0 34px;
  text-decoration: none;
}

.archive-entry h2 {
  margin-bottom: 12px;
}

.archive-entry p:not(.archive-meta) {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
}

.archive-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 16px;
  color: var(--dim);
}

.read-link {
  display: inline-block;
  margin-top: 22px;
  color: var(--accent);
}

.archive-entry-main:hover,
.archive-entry-main:focus-visible {
  outline: none;
}

.archive-entry-main:hover h2,
.archive-entry-main:focus-visible h2 {
  color: var(--accent);
}

.content-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.content-tags li {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.74rem;
  line-height: 1.3;
}

.content-tags li::before {
  color: var(--line);
  content: "#";
}

.article-header .content-tags {
  grid-column: 1;
  margin-top: 22px;
}

.archive-empty {
  max-width: 420px;
  margin: 0;
  color: var(--dim);
}

.workbench-archive {
  padding-top: 0;
}

.workbench-grid,
.workbench-index {
  display: block;
  max-width: 940px;
  margin-left: clamp(0px, 11vw, 146px);
  padding: clamp(68px, 9vw, 118px) 0;
}

.workbench-item,
.workbench-row {
  display: grid;
  grid-template-columns: 64px minmax(150px, 220px) minmax(0, 1fr);
  gap: clamp(20px, 5vw, 72px);
  min-height: 0;
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
}

.workbench-item:nth-child(2),
.workbench-row:nth-child(2) {
  margin-left: clamp(0px, 8vw, 96px);
}

.workbench-item:nth-child(3),
.workbench-row:nth-child(3) {
  max-width: 820px;
  margin-left: clamp(0px, 2vw, 28px);
}

.item-index {
  color: var(--accent-cold);
  font-variant-numeric: tabular-nums;
}

.article-page {
  display: grid;
  grid-template-columns: minmax(0, 660px) minmax(120px, 1fr);
  column-gap: clamp(34px, 9vw, 132px);
  padding: clamp(68px, 9vw, 118px) 0 clamp(78px, 10vw, 130px);
}

.article-header,
.article-body {
  max-width: 660px;
}

.article-header {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 660px) minmax(120px, 1fr);
  column-gap: clamp(34px, 9vw, 132px);
  padding-bottom: clamp(38px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
}

.article-header .back-link,
.article-header .eyebrow,
.article-header h1,
.article-header .article-excerpt {
  grid-column: 1;
}

.article-header .article-date {
  grid-column: 2;
  grid-row: 2 / span 2;
  align-self: end;
  justify-self: start;
  padding-top: 8px;
}

.article-header h1 {
  margin-top: 20px;
  font-size: clamp(3.3rem, 7vw, 6.7rem);
  line-height: 1;
}

.article-excerpt {
  max-width: 660px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.45vw, 1.22rem);
  line-height: 1.76;
}

.article-date,
.back-link {
  color: var(--dim);
  font-size: 0.86rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  margin-bottom: 40px;
  text-decoration: none;
}

.back-link::before {
  width: 24px;
  height: 1px;
  background: currentColor;
  content: "";
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--text);
  outline: none;
}

.article-body {
  grid-column: 1;
  padding-top: clamp(42px, 6vw, 70px);
}

.article-body p {
  margin: 0 0 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.35vw, 1.2rem);
  line-height: 1.88;
}

.article-body p:first-child {
  color: var(--text);
  font-size: clamp(1.28rem, 2vw, 1.75rem);
  line-height: 1.48;
}

.article-body .article-pull {
  margin: 52px 0;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.42rem, 2.55vw, 2.22rem);
  font-weight: 520;
  line-height: 1.28;
}

@media (max-width: 900px) {
  .hero-grid,
  .content-grid,
  .frequency-section,
  .content-archive,
  .archive-layout,
  .note-index,
  .workbench-grid,
  .text-page,
  .article-page,
  .article-header {
    grid-template-columns: 1fr;
  }

  .feature-link:nth-child(2),
  .feature-link:nth-child(3),
  .workbench-item:nth-child(2),
  .workbench-item:nth-child(3) {
    margin-top: 0;
    margin-left: 0;
  }

  .content-grid,
  .frequency-section,
  .archive-layout,
  .workbench-grid {
    margin-left: 0;
  }

  .workbench-index {
    margin-left: 0;
  }

  .signal-panel,
  .index-panel {
    max-width: none;
  }

  .signal-panel {
    transform: none;
  }

  .feature-link,
  .workbench-item,
  .workbench-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-link::after,
  .feature-link .feature-meta,
  .feature-link h2,
  .feature-link p {
    grid-column: 1;
  }

  .coordinates-panel {
    position: static;
  }

  .archive-taxonomy {
    position: static;
  }

  .article-header .article-date {
    grid-column: 1;
    grid-row: auto;
    margin-top: 18px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 116px;
  }

  .site-header {
    width: min(var(--max), calc(100% - 30px));
    grid-template-columns: 1fr;
    align-items: start;
    gap: 12px;
  }

  .site-nav {
    padding-left: 0;
    border-left: 0;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 12px 16px;
  }

  .site-nav a {
    font-size: 0.82rem;
  }

  main {
    width: min(var(--max), calc(100% - 30px));
  }

  .hero {
    min-height: auto;
    padding: 58px 0 52px;
  }

  .hero-copy {
    padding-left: 18px;
  }

  .hero-copy::before {
    top: -28px;
  }

  .page-hero {
    padding: 66px 0 44px;
  }

  .content-grid,
  .frequency-section,
  .content-archive,
  .archive-layout,
  .note-index,
  .workbench-grid,
  .workbench-index,
  .text-page {
    padding: 50px 0;
  }

  .feature-link,
  .note-card,
  .workbench-item {
    min-height: 0;
    padding-top: 20px;
  }

  .workbench-row {
    padding-top: 22px;
  }

  .statement-band {
    margin-left: 0;
  }

  .article-page {
    padding: 58px 0 72px;
  }

  .panel-label {
    writing-mode: horizontal-tb;
    float: none;
    margin-right: 0;
  }

  .article-header {
    padding-bottom: 34px;
  }

  .article-body {
    padding-top: 38px;
  }
}