/* ============================================================
   MOONSHINE LABS — style.css
   One stylesheet. No frameworks. No build step.
   Type: Space Grotesk (display/body) · IBM Plex Mono (technical voice)
   ============================================================ */

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/fonts/space-grotesk-var.woff2") format("woff2");
}
@font-face {
  font-family: "Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "Plex Mono";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/plex-mono-400i.woff2") format("woff2");
}
@font-face {
  font-family: "Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/plex-mono-500.woff2") format("woff2");
}
@font-face {
  font-family: "Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/plex-mono-600.woff2") format("woff2");
}

:root {
  --bg: #f5f3ec;
  --bg-raised: #fdfcf8;
  --ink: #171511;
  --ink-soft: #524e45;
  --ink-faint: #8b8578;
  --hairline: #ddd7c9;
  --hairline-strong: #c4bdab;
  --grid-line: rgba(23, 21, 17, 0.055);
  --accent: #c2410c;
  --accent-ink: #9a3412;
  --chip-active: #15803d;
  --chip-progress: #92400e;
  --chip-failed: #991b1b;
  --mono: "Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --measure: 44rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131210;
    --bg-raised: #1b1915;
    --ink: #ece8dd;
    --ink-soft: #aaa496;
    --ink-faint: #766f61;
    --hairline: #2a2721;
    --hairline-strong: #403b30;
    --grid-line: rgba(236, 232, 221, 0.045);
    --accent: #f97316;
    --accent-ink: #fb923c;
    --chip-active: #4ade80;
    --chip-progress: #fbbf24;
    --chip-failed: #f87171;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  min-height: 100vh;
}

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

a { color: inherit; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--bg);
  padding: 0.5rem 1rem;
  font-family: var(--mono); font-size: 0.8rem;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- header ---------- */

.site-header { border-bottom: 1px solid var(--hairline); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding-top: 1.1rem; padding-bottom: 1.1rem;
}
.wordmark {
  font-family: var(--mono);
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.18em;
  text-decoration: none; white-space: nowrap;
}
.wordmark .tick { color: var(--accent); }

.site-nav { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2rem); flex-wrap: wrap; }
.site-nav a {
  font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.08em;
  text-decoration: none; color: var(--ink-soft);
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.nav-cta {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em;
  text-decoration: none;
  background: var(--accent);
  color: #fff !important;
  border: 1px solid var(--accent);
  padding: 0.45rem 0.9rem !important;
  border-radius: 2px;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}
.nav-cta:hover {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  color: #fff !important;
  border-bottom-color: var(--accent-ink) !important;
}
@media (prefers-color-scheme: dark) {
  .nav-cta { color: #1a1207 !important; }
  .nav-cta:hover { color: #1a1207 !important; background: var(--accent-ink); }
}

/* ---------- technical grid backdrop (hero + experiment headers) ---------- */

.gridfield {
  position: relative;
}
.gridfield::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
  pointer-events: none;
}
.gridfield > * { position: relative; }

/* ---------- hero ---------- */

.hero {
  padding-top: clamp(3.5rem, 10vh, 7rem);
  padding-bottom: clamp(3rem, 8vh, 5rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(17rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero .kicker {
  font-family: var(--mono);
  font-size: 0.78rem; letter-spacing: 0.24em;
  color: var(--ink-faint);
  margin-bottom: 1.75rem;
}
.hero .kicker .tick { color: var(--accent); }
.hero h1 {
  font-size: clamp(2.6rem, 6.8vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 600;
  max-width: 14ch;
}
.hero .lede {
  margin-top: 2rem;
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.6;
}
.hero .lede + .lede { margin-top: 1rem; }

.cta-row { margin-top: 2.75rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.btn {
  font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.05em;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border-radius: 2px;
  display: inline-block;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.btn-primary { background: var(--ink); color: var(--bg); border: 1px solid var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { border: 1px solid var(--hairline-strong); color: var(--ink-soft); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn .arr { color: var(--accent); }
.btn-primary .arr { color: inherit; }

/* ---------- bench status panel ---------- */

.bench {
  border: 1px solid var(--hairline-strong);
  border-radius: 2px;
  background: var(--bg-raised);
  font-family: var(--mono);
  position: relative;
  margin-top: 0.5rem;
}
/* corner registration marks */
.bench::before, .bench::after {
  content: "+";
  position: absolute;
  color: var(--accent);
  font-size: 0.9rem;
  line-height: 1;
}
.bench::before { top: -0.5rem; left: -0.45rem; }
.bench::after { bottom: -0.5rem; right: -0.45rem; }

.bench-head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.2em;
  color: var(--ink-soft);
}
.bench-head .live {
  color: var(--chip-active);
  font-weight: 500; letter-spacing: 0.14em;
}
.bench-head .live::before {
  content: "●";
  margin-right: 0.4rem;
  animation: pulse 2.4s ease-in-out infinite;
}
.bench ol { list-style: none; padding: 0.5rem 0; }
.bench li a {
  display: flex; align-items: baseline; gap: 0.6rem;
  padding: 0.55rem 1rem;
  font-size: 0.74rem; letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink-soft);
  transition: background 120ms ease, color 120ms ease;
}
.bench li a:hover { background: var(--bg); color: var(--ink); }
.bench .b-num { color: var(--accent-ink); font-weight: 600; }
.bench .b-name { text-transform: uppercase; }
.bench .b-dots {
  flex: 1;
  border-bottom: 1px dotted var(--hairline-strong);
  transform: translateY(-0.25em);
  min-width: 1.5rem;
}
.bench .b-st { font-size: 0.66rem; letter-spacing: 0.1em; }
.st-active { color: var(--chip-active); }
.st-progress { color: var(--chip-progress); }
.st-failed { color: var(--chip-failed); }
.bench-foot {
  border-top: 1px solid var(--hairline);
  padding: 0.7rem 1rem;
  font-size: 0.66rem; letter-spacing: 0.16em;
  color: var(--ink-faint);
}

/* ---------- section chrome ---------- */

.section {
  border-top: 1px solid var(--hairline);
  padding-top: clamp(2.5rem, 6vh, 4rem);
  padding-bottom: clamp(2.5rem, 6vh, 4rem);
}
.section-label {
  font-family: var(--mono);
  font-size: 0.78rem !important;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}
.section-label .tick { color: var(--accent); }

/* label-left / content-right split for homepage sections */
.section-grid {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: 1rem 3rem;
}
.section-grid > .section-label { margin-bottom: 0; }
@media (max-width: 720px) {
  .section-grid { grid-template-columns: 1fr; }
  .section-grid > .section-label { margin-bottom: 1.25rem; }
}

/* ---------- experiment index ---------- */

.exp-list { list-style: none; border-top: 1px solid var(--hairline); }
.exp-row { border-bottom: 1px solid var(--hairline); }
.exp-row > a {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr) auto;
  gap: 1.25rem 2rem;
  align-items: start;
  padding: 2rem 0.75rem;
  text-decoration: none;
  position: relative;
  transition: background 120ms ease;
}
.exp-row > a:hover { background: var(--bg-raised); }
.exp-row > a::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--accent);
  transform: scaleY(0);
  transition: transform 140ms ease;
}
.exp-row > a:hover::before { transform: scaleY(1); }
.exp-num {
  font-family: var(--mono);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 600;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  line-height: 1.1;
  transition: color 120ms ease;
}
.exp-row > a:hover .exp-num { color: var(--accent); }
.exp-body { min-width: 0; }
.exp-title {
  display: block;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.exp-row > a:hover .exp-title { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }
.exp-q {
  display: block;
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-style: italic;
  font-size: 0.88rem;
}
.exp-desc {
  display: block;
  margin-top: 0.6rem;
  color: var(--ink-faint);
  font-size: 0.95rem;
  max-width: 46rem;
}
.exp-meta { justify-self: end; display: flex; flex-direction: column; align-items: flex-end; gap: 0.6rem; }
.exp-meta .go {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 140ms ease, transform 140ms ease;
}
.exp-row > a:hover .go { opacity: 1; transform: translateX(0); }

@media (max-width: 640px) {
  .exp-row > a { grid-template-columns: 1fr; gap: 0.6rem; padding: 1.5rem 0.5rem; }
  .exp-num { font-size: 1.5rem; }
  .exp-meta { justify-self: start; flex-direction: row; align-items: center; }
  .exp-meta .go { display: none; }
}

/* ---------- status chips ---------- */

.chip {
  font-family: var(--mono);
  font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 0.28rem 0.6rem;
  white-space: nowrap;
  display: inline-block;
}
.chip-active { color: var(--chip-active); }
.chip-progress { color: var(--chip-progress); }
.chip-failed { color: var(--chip-failed); }
.chip-neutral { color: var(--ink-faint); }

/* ---------- thesis strip ---------- */

.thesis blockquote {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: 24ch;
}
.thesis blockquote .accent { color: var(--accent); }
.thesis p { margin-top: 1.5rem; max-width: var(--measure); color: var(--ink-soft); }
.thesis .more { margin-top: 1.5rem; }

a.text-link {
  font-family: var(--mono);
  font-size: 0.85rem; letter-spacing: 0.05em;
  color: var(--accent-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 0.1rem;
}
a.text-link:hover { color: var(--accent); }

/* ---------- commercial ---------- */

.commercial .headline {
  font-size: clamp(1.8rem, 4.4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: 18ch;
}
.commercial .good { margin-top: 1.25rem; font-size: 1.15rem; color: var(--ink); font-weight: 500; }
.commercial .body { margin-top: 1rem; max-width: var(--measure); color: var(--ink-soft); }
.engagements {
  margin-top: 2.25rem;
  font-family: var(--mono);
  font-size: 0.76rem; letter-spacing: 0.05em;
  color: var(--ink-faint);
  line-height: 2.1;
  max-width: var(--measure);
}
.engagements span { white-space: nowrap; }
.engagements .sep { color: var(--accent); padding: 0 0.5rem; }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--hairline); margin-top: clamp(2rem, 6vh, 4rem); }
.site-footer .wrap {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding-top: 1.5rem; padding-bottom: 2.5rem;
  font-family: var(--mono);
  font-size: 0.74rem; letter-spacing: 0.06em;
  color: var(--ink-faint);
}
.site-footer .tick { color: var(--accent); }
.site-footer a { color: var(--ink-faint); text-decoration: none; border-bottom: 1px solid var(--hairline-strong); }
.site-footer a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ============================================================
   EXPERIMENT DETAIL PAGES
   ============================================================ */

.exp-header {
  padding-top: clamp(3rem, 8vh, 5rem);
  padding-bottom: clamp(2rem, 5vh, 3rem);
}
.exp-header .exp-num-big {
  font-family: var(--mono);
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}
.exp-header .exp-num-big .tick { color: var(--accent); }
.exp-header h1 {
  margin-top: 1rem;
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.06;
  max-width: 20ch;
}
.exp-header .exp-question {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-style: italic;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--ink-soft);
  max-width: var(--measure);
}
.exp-header .meta-row { margin-top: 1.75rem; display: flex; gap: 0.6rem; flex-wrap: wrap; }

.exp-section {
  border-top: 1px solid var(--hairline);
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 1rem 3rem;
}
.exp-section > h2 {
  font-family: var(--mono);
  font-size: 0.76rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.8;
}
.exp-section > h2 .tick { color: var(--accent); }
.exp-section > div { max-width: var(--measure); }
.exp-section p + p { margin-top: 1rem; }
.exp-section p { color: var(--ink-soft); }
.exp-section strong { color: var(--ink); font-weight: 600; }
.exp-section ul { margin-top: 1rem; padding-left: 1.2rem; color: var(--ink-soft); }
.exp-section li { margin-bottom: 0.5rem; }
.exp-section li::marker { color: var(--accent); }

@media (max-width: 720px) {
  .exp-section { grid-template-columns: 1fr; gap: 0.75rem; }
}

/* notebook aside */
.note {
  margin-top: 1.5rem;
  border-left: 2px solid var(--accent);
  padding: 0.25rem 0 0.25rem 1.1rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.note .note-label {
  font-family: var(--mono);
  font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 0.3rem;
}

/* diagrams */
.diagram {
  margin-top: 1.5rem;
  border: 1px solid var(--hairline);
  border-radius: 2px;
  background: var(--bg-raised);
  padding: 1.25rem;
  overflow-x: auto;
  position: relative;
}
.diagram::before {
  content: "+";
  position: absolute; top: -0.5rem; left: -0.45rem;
  color: var(--accent); font-family: var(--mono); font-size: 0.9rem; line-height: 1;
}
.diagram svg { display: block; max-width: 100%; height: auto; margin: 0 auto; }
.diagram figcaption {
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.7rem; letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.dg-line { stroke: var(--ink-faint); stroke-width: 1.25; fill: none; }
.dg-line-accent { stroke: var(--accent); stroke-width: 1.25; fill: none; }
.dg-box { stroke: var(--hairline-strong); fill: var(--bg); stroke-width: 1.25; }
.dg-box-accent { stroke: var(--accent); fill: var(--bg); stroke-width: 1.25; }
.dg-text { font-family: var(--mono); font-size: 11px; fill: var(--ink); }
.dg-text-soft { font-family: var(--mono); font-size: 10px; fill: var(--ink-faint); }

/* prev / next pager */
.exp-pager {
  border-top: 1px solid var(--hairline);
  display: flex; justify-content: space-between; gap: 1rem;
  padding-top: 2rem; padding-bottom: 1rem;
  font-family: var(--mono);
  font-size: 0.8rem; letter-spacing: 0.06em;
}
.exp-pager a { text-decoration: none; color: var(--ink-soft); }
.exp-pager a:hover { color: var(--accent); }

/* ============================================================
   ABOUT / MANIFESTO
   ============================================================ */

.prose { max-width: var(--measure); }
.prose > h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
  padding-top: clamp(3rem, 8vh, 5rem);
}
.prose > p { margin-top: 1.25rem; color: var(--ink-soft); }
.prose > p strong { color: var(--ink); }
.prose .big {
  font-size: clamp(1.25rem, 2.6vw, 1.5rem);
  color: var(--ink);
  line-height: 1.45;
}
.compress-list { list-style: none; margin-top: 2rem; border-top: 1px solid var(--hairline); }
.compress-list li {
  border-bottom: 1px solid var(--hairline);
  padding: 1rem 0;
  display: grid;
  grid-template-columns: 12rem minmax(0, 1fr);
  gap: 0.35rem 2rem;
}
.compress-list .what {
  font-family: var(--mono);
  font-size: 0.76rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-ink);
  padding-top: 0.25rem;
}
.compress-list .how { color: var(--ink-soft); }
@media (max-width: 640px) { .compress-list li { grid-template-columns: 1fr; } }

.lifecycle {
  margin-top: 2rem;
  font-family: var(--mono);
  font-size: 0.85rem; letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.lifecycle .arrow { color: var(--accent); padding: 0 0.5rem; }

/* ============================================================
   005 — sparse page
   ============================================================ */

.void {
  min-height: 55vh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: clamp(3rem, 10vh, 6rem);
  padding-bottom: clamp(3rem, 10vh, 6rem);
}
.void .exp-num-big {
  font-family: var(--mono);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 600;
  color: var(--ink-faint);
}
.void .exp-num-big .tick { color: var(--accent); }
.void h1 {
  margin-top: 1.25rem;
  font-family: var(--mono);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  max-width: 30ch;
  line-height: 1.5;
}
.void .status-line {
  margin-top: 2.5rem;
  font-family: var(--mono);
  font-size: 0.8rem; letter-spacing: 0.14em;
  color: var(--ink-faint);
}
.void .status-line .blink { color: var(--chip-progress); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.void .blink { animation: pulse 2.4s ease-in-out infinite; }