/* superpowers-plus landing
   Cool paper, grotesque display, serif body.
   Not cream. Not near-black. Not a broadsheet. */

:root {
  --paper: #e7e8e3;
  --paper-2: #dbddd6;
  --ink: #17191b;
  --ink-soft: #3a3f3c;
  --mute: #5c6660;
  --hair: #c4c7c0;
  --pine: #215a43;
  --pine-ink: #173d2e;
  --foam: #d5e3d9;
  --ember: #c45c26;
  --chalk: #f4f5f0;
  --mark: #35566f;
  --alert: #8f2d22;
  --field: #5c6660;
  --rule: #9da39d;

  --sans: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, monospace;

  --measure: 38rem;
  --wide: 70rem;
  --gutter: clamp(1.25rem, 4.2vw, 3.25rem);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--paper);
  color: var(--ink);
  hanging-punctuation: first last;
  interpolate-size: allow-keywords;
  scroll-padding-top: 4.75rem;
}

body {
  margin: 0;
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-size: clamp(1.0625rem, 0.95rem + 0.4vw, 1.1875rem);
  font-weight: 400;
  line-height: 1.58;
  letter-spacing: 0.005em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

#field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

main, .site-foot { position: relative; z-index: 1; }

::selection {
  background: var(--foam);
  color: var(--pine-ink);
}

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

a { color: var(--pine); text-underline-offset: 0.18em; }
a:hover { color: var(--pine-ink); }

code {
  font-family: var(--mono);
  font-size: 0.9em;
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 100;
  padding: 0.4rem 0.7rem;
  background: var(--ink);
  color: var(--chalk);
  font-family: var(--sans);
  font-size: 0.9rem;
  text-decoration: none;
}
.skip:focus { top: 0.6rem; }

/* ——— header ——— */

.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

.site-head.is-scrolled {
  border-bottom-color: var(--hair);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand-meter {
  display: flex;
  gap: 3px;
  height: 8px;
  align-items: center;
}

.brand-meter i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.35px solid #8a948c;
  background: transparent;
}

.brand-meter i.on {
  background: var(--pine);
  border-color: var(--pine);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.nav a {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
}

.nav a:hover { color: var(--ink); }

.nav-gh {
  display: inline-flex;
  align-items: center;
  color: var(--ink-soft);
  line-height: 0;
}
.nav-gh:hover { color: var(--ink); }
.nav-gh svg { display: block; }

/* ——— layout ——— */

main { overflow-x: visible; }

.wrap {
  width: min(var(--wide), calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

/* ——— hero ——— */

.hero {
  padding: clamp(2.4rem, 6vw, 4.4rem) 0 clamp(2.2rem, 5vw, 3.4rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.4rem);
  align-items: center;
}

.hero-grid > div:first-child { min-width: 0; }

.eyebrow {
  margin: 0 0 1.1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.hero h1 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.55rem, 5.1vw, 4.35rem);
  letter-spacing: -0.05em;
  line-height: 0.94;
}

.hero h1 .line { display: block; }

.hero h1 .quiet {
  color: var(--mute);
  font-weight: 500;
}

.hero h1 .dot {
  color: var(--pine);
}

.lede {
  max-width: 34rem;
  margin: 1.6rem 0 0;
  font-size: clamp(1.12rem, 1rem + 0.5vw, 1.32rem);
  line-height: 1.5;
  color: var(--ink-soft);
  text-wrap: pretty;
}

.quote {
  margin: 1.5rem 0 0;
  padding: 1.05rem 0 0;
  max-width: 32rem;
  min-width: 0;
  border-top: 1px solid var(--hair);
}

.quote-kicker {
  margin: 0 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.quote blockquote {
  margin: 0;
  font-size: 1.08rem;
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.4;
  color: var(--ink);
  text-wrap: pretty;
}

.quote figcaption {
  margin: 0.45rem 0 0;
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
  letter-spacing: 0;
  color: var(--mute);
}

.hero-run {
  display: flex;
  align-items: stretch;
  gap: 0.65rem;
  margin-top: 1.55rem;
  max-width: 36rem;
}

.snippet {
  display: flex;
  align-items: stretch;
  min-width: 0;
  flex: 1;
  background: var(--chalk);
  border: 1px solid var(--hair);
  border-radius: 2px;
}

.snippet code {
  display: block;
  flex: 1;
  min-width: 0;
  padding: 0.68rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  line-height: 1.45;
  letter-spacing: 0;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.icon-btn {
  appearance: none;
  flex: 0 0 2.35rem;
  width: 2.35rem;
  border: 0;
  border-left: 1px solid var(--hair);
  background: transparent;
  color: var(--mute);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover { color: var(--pine); background: color-mix(in srgb, var(--foam) 55%, transparent); }
.icon-btn.is-copied { color: var(--pine); }
.icon-btn .i-check { display: none; }
.icon-btn.is-copied .i-copy { display: none; }
.icon-btn.is-copied .i-check { display: block; }

.gh-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  color: var(--ink-soft);
  border: 1px solid var(--hair);
  background: var(--chalk);
  border-radius: 2px;
}

.gh-mark:hover { color: var(--ink); border-color: var(--ink-soft); }

.hero-run-note {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  margin: 0.65rem 0 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  color: var(--mute);
}

.hero-run-note a {
  color: inherit;
  text-underline-offset: 0.18em;
}
.hero-run-note a:hover { color: var(--pine); }

.deps {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  letter-spacing: inherit;
  color: var(--pine);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.deps:hover { color: var(--pine-ink); }

/* ——— wave figure ——— */

.wave-figure {
  margin: 0;
  padding: 1.15rem 1.1rem 1rem;
  background: var(--chalk);
  border: 1px solid var(--hair);
  border-radius: 2px;
}

.wave-figure svg {
  display: block;
  width: 100%;
  height: auto;
}

.wave-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.85rem 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.cell { cursor: default; }
.cell.is-hot { transform-box: fill-box; transform-origin: center; }
.cell.is-hot circle { filter: drop-shadow(0 0 0 var(--pine)); }

.tooltip {
  pointer-events: none;
}

/* ——— thesis bar ——— */

.thesis {
  border-block: 1px solid var(--hair);
  padding: 1.6rem 0;
}

.thesis p {
  margin: 0;
  max-width: 52rem;
  font-family: var(--sans);
  font-size: clamp(1.2rem, 1rem + 0.8vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.35;
  text-wrap: pretty;
}

.thesis strong { font-weight: 600; }

/* ——— autonomy contract ——— */

.contract {
  padding: 0 0 clamp(2.8rem, 6vw, 4.2rem);
}

.contract-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.2rem);
  align-items: start;
}

.pacts {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 1.6rem;
  border-top: 1px solid var(--hair);
}

.pact {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 0.75rem 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--hair);
}

.pact-id {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--pine);
  padding-top: 0.22rem;
}

.pact h3 {
  margin: 0 0 0.3rem;
  font-family: var(--sans);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.pact p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.log-figure {
  margin: 0;
  padding: 1.15rem 1.15rem 0.95rem;
  background: var(--chalk);
  border: 1px solid var(--hair);
  border-radius: 2px;
}

.log-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem 0.85rem;
  align-items: baseline;
}

.log-id {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--pine);
}

.log-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.log-date {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.log-meta {
  margin: 0.45rem 0 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.log-meta em {
  font-style: normal;
  color: var(--ink-soft);
}

.log-meta em.no { color: var(--ember); }

.lenses {
  margin: 1rem 0 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--hair);
}

.lenses > div {
  display: grid;
  grid-template-columns: 5.4rem 1fr;
  gap: 0.4rem 0.85rem;
  padding: 0.35rem 0;
}

.lenses dt {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mute);
  padding-top: 0.18rem;
}

.lenses dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.triage-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-top: 1rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--hair);
}

.triage-k {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.3rem;
}

.triage-split p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.flag {
  display: inline-block;
  padding: 0.08rem 0.38rem;
  border: 1px solid color-mix(in srgb, var(--ember) 45%, var(--hair));
  color: var(--ember);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.log-figure figcaption {
  margin: 0.95rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--hair);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}

/* ——— rules ——— */

.rules {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.rules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem 4rem;
}

.section-kicker {
  margin: 0 0 0.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.section-title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.section-copy {
  margin: 1rem 0 0;
  max-width: var(--measure);
  color: var(--ink-soft);
}

.rule-list {
  display: flex;
  flex-direction: column;
  margin-top: 0.4rem;
}

.rule {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 0.85rem 1.1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--hair);
}

.rule:last-child { border-bottom: 1px solid var(--hair); }

.rule-id {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--pine);
  padding-top: 0.28rem;
}

.rule h3 {
  margin: 0 0 0.35rem;
  font-family: var(--sans);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.rule p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 40rem;
}

.rule .came-from {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--mute);
}

/* ——— lens ——— */

.lens {
  padding: 0 0 clamp(4.5rem, 10vw, 7.5rem);
}

.lens-head {
  max-width: 40rem;
  margin-bottom: 2.2rem;
}

.modes {
  border-top: 1px solid var(--hair);
}

.mode {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem 2rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--hair);
}

.mode h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mode p {
  margin: 0;
  color: var(--mute);
  font-size: 0.98rem;
}

.pull {
  margin: 2.4rem 0 0;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--hair);
  max-width: 36rem;
  font-family: var(--sans);
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.3;
}

.pull span { color: var(--pine); }

/* ——— install ——— */

.install {
  padding: 0 0 clamp(5rem, 11vw, 8rem);
}

.install-panel {
  background: var(--chalk);
  border: 1px solid var(--hair);
  padding: clamp(1.6rem, 4vw, 2.4rem);
}

.install-panel h2 {
  margin: 0 0 0.5rem;
  font-family: var(--sans);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  letter-spacing: -0.04em;
}

.install-panel > p {
  margin: 0 0 1.4rem;
  max-width: 36rem;
  color: var(--ink-soft);
}

pre {
  margin: 0;
  padding: 1.1rem 1.15rem;
  overflow-x: auto;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  border: 1px solid var(--hair);
  border-radius: 2px;
}

pre .c { color: var(--mute); }
pre .k { color: var(--pine); }

.install-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.55rem;
}

.install-row span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

.install-row .icon-btn {
  border: 1px solid var(--hair);
  border-radius: 2px;
  height: 1.85rem;
  width: 1.85rem;
  flex-basis: 1.85rem;
  background: var(--paper);
}
.install-row .icon-btn:hover { border-color: var(--pine); }

.depends {
  margin: 1.15rem 0 0;
  font-size: 0.95rem;
  color: var(--mute);
}

/* ——— colophon ——— */

.colophon {
  padding: 0 0 clamp(3.4rem, 8vw, 5.5rem);
}

.colophon-copy {
  margin: 0.75rem 0 0;
  max-width: var(--measure);
  color: var(--ink-soft);
  text-wrap: pretty;
}

/* ——— footer ——— */

.site-foot {
  padding: 1.4rem var(--gutter) 2rem;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.site-foot a { color: inherit; text-decoration: none; }
.site-foot a:hover { color: var(--ink); }
.site-foot a.from-house { color: var(--mark); }

/* ——— breakpoints ——— */

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(20rem, 0.88fr);
    align-items: center;
  }

  .contract-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
    align-items: start;
  }

  .pacts {
    grid-template-columns: 1fr 1fr;
    gap: 0 3.2rem;
  }

  .pact:last-child {
    grid-column: 1 / -1;
  }

  .triage-split {
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.4rem;
  }

  .rules-grid {
    grid-template-columns: minmax(14rem, 0.72fr) minmax(0, 1.28fr);
    align-items: start;
  }

  .rules-intro { position: sticky; top: 5.5rem; }

  .mode {
    grid-template-columns: minmax(14rem, 0.55fr) 1fr;
    align-items: baseline;
  }
}

@media (min-width: 1100px) {
  .pacts {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0 2.2rem;
  }

  .pact:last-child { grid-column: auto; }
}

@media (max-width: 640px) {
  .nav-hide { display: none; }

  .hero h1 { font-size: clamp(2.35rem, 11vw, 3.1rem); }

  .hero-run { max-width: none; }

  .wave-caption { flex-direction: column; gap: 0.2rem; }

  .log-head {
    grid-template-columns: auto 1fr;
  }
  .log-date { grid-column: 2; }

  .lenses > div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .rule { grid-template-columns: 2.2rem 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cell { transition: none !important; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }

  .hero h1,
  .lede,
  .quote,
  .hero-run,
  .hero-run-note,
  .wave-figure,
  .contract {
    animation: rise 0.9s var(--ease) both;
  }
  .lede { animation-delay: 0.08s; }
  .quote { animation-delay: 0.12s; }
  .hero-run { animation-delay: 0.16s; }
  .hero-run-note { animation-delay: 0.18s; }
  .wave-figure { animation-delay: 0.2s; }
  .contract { animation-delay: 0.24s; }

  @keyframes rise {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: none; }
  }
}