/* ============================================================
   Walden — paper, ink & pine.
   Two voices: Fraunces (intention) · JetBrains Mono (enforcement).
   ============================================================ */

:root {
  --paper:      #f2eee4;   /* warm bone */
  --paper-2:    #ece6d8;   /* recessed panels */
  --paper-3:    #e4ddcc;   /* deeper recess */
  --ink:        #181610;   /* warm near-black */
  --ink-soft:   rgba(24, 22, 16, 0.66);
  --ink-mute:   rgba(24, 22, 16, 0.45);
  --rule:       rgba(24, 22, 16, 0.14);
  --rule-soft:  rgba(24, 22, 16, 0.08);
  --pine:       #2c4734;   /* life in the woods */
  --pine-deep:  #1f3527;
  --pine-bright:#3b6049;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --mono:  "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --measure: 62ch;
  --pad: clamp(1.4rem, 5vw, 7rem);
  --section-gap: clamp(5rem, 11vw, 9.5rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-size: clamp(1.02rem, 0.55vw + 0.92rem, 1.16rem);
  line-height: 1.62;
  font-weight: 380;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* paper grain ----------------------------------------------------------- */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.4; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.34'/%3E%3C/svg%3E");
}

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

a { color: inherit; }

/* links: precise hairline underline ------------------------------------- */
.nav a, .foot-nav a, .install-alt a, .thoreau-cite a {
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px; background-position: 0 100%; background-repeat: no-repeat;
  transition: background-size .35s cubic-bezier(.2,.7,.2,1);
}
.nav a:hover, .foot-nav a:hover, .install-alt a:hover { background-size: 100% 1px; }

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

/* ===========================  HEADER  ================================== */
.site-head {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 1.15rem var(--pad);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule-soft);
}
.wordmark {
  font-family: var(--serif);
  font-size: 1.35rem; font-weight: 520; letter-spacing: -0.01em;
  text-decoration: none; color: var(--ink);
}
.wordmark .mark { color: var(--pine); margin-left: .12em; font-weight: 400; }

.nav { display: flex; gap: clamp(1rem, 3vw, 2.4rem); align-items: baseline; }
.nav a {
  font-family: var(--mono); font-size: .72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-soft);
}
.nav a.nav-gh { color: var(--pine); }

/* "How to use" is the adoption CTA: a pine pill carrying the prompt
   cursor — the same one blinking inside the §04 frame. */
.nav a.nav-cta {
  background-image: none;           /* opt out of the underline trick */
  background-color: var(--pine);
  color: var(--paper);
  padding: .5em .9em;
  border-radius: 3px;
  transition: background-color .2s ease;
  display: inline-flex; align-items: center; gap: .5em;
}
.nav a.nav-cta:hover { background-color: var(--pine-bright); }
.nav a.nav-cta:focus-visible { outline-color: var(--ink); }
.nav-cursor {
  width: .45em; height: .9em;
  background: var(--paper);
  animation: blink 1.6s steps(1) infinite;
}
@media (prefers-reduced-motion: reduce) { .nav-cursor { animation: none; } }

/* Mobile keeps the two links that matter: the CTA and GitHub. */
@media (max-width: 620px) { .nav a:not(.nav-gh):not(.nav-cta) { display: none; } }

/* ============================  HERO  ================================== */
.hero {
  position: relative;
  padding: clamp(5rem, 13vw, 11rem) var(--pad) clamp(4rem, 9vw, 7rem);
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}
.contours {
  position: absolute; z-index: 0;
  top: 50%; right: -14vw; transform: translateY(-50%);
  width: min(58vw, 720px); height: min(58vw, 720px);
  color: var(--pine);
  opacity: 0.13;
  stroke-width: 1.1;
}
@media (max-width: 760px) {
  .contours { right: -38vw; top: 8%; transform: none; width: 120vw; height: 120vw; opacity: 0.085; }
}
.hero > *:not(.contours) { position: relative; z-index: 2; }

.eyebrow {
  font-family: var(--mono); font-size: .74rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.24em; color: var(--pine);
  margin: 0 0 1.8rem;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 420;
  font-size: clamp(2.7rem, 7.5vw, 6.4rem);
  line-height: 0.98; letter-spacing: -0.025em;
  margin: 0 0 1.6rem; max-width: 16ch;
}
.hero-title span { display: block; }
.hero-title .accent {
  font-style: italic; font-weight: 380;
  color: var(--pine-deep);
}
.hero-sub {
  font-size: clamp(1.1rem, 0.7vw + 1rem, 1.38rem);
  color: var(--ink-soft); max-width: 54ch; margin: 0 0 2.6rem;
  line-height: 1.55;
}

/* install one-liner ----------------------------------------------------- */
.install-line {
  display: inline-flex; align-items: stretch; gap: 0;
  max-width: 100%; margin-bottom: 1.5rem;
  border: 1px solid var(--ink); border-radius: 3px;
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--ink);
  overflow: hidden;
}
.install-line code {
  font-family: var(--mono); font-size: clamp(.74rem, 1.6vw, .9rem);
  padding: .85rem 1.1rem; color: var(--ink);
  white-space: nowrap; overflow-x: auto; line-height: 1.4;
}
.copy {
  font-family: var(--mono); font-size: .68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  border: none; border-left: 1px solid var(--ink);
  background: var(--ink); color: var(--paper);
  padding: 0 1.1rem; cursor: pointer; flex-shrink: 0;
  transition: background .2s ease, color .2s ease;
}
.copy:hover { background: var(--pine); }
.copy.is-copied { background: var(--pine-bright); }

.meta-line {
  font-family: var(--mono); font-size: .73rem; letter-spacing: 0.08em;
  color: var(--ink-mute); margin: 0;
}

/* =========================  THE CLAIM  ================================ */
section.claim {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3.5rem, 8vw, 6.5rem) var(--pad);
  border-bottom: none;
}
.claim-line {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.7rem, 4vw, 3.2rem);
  line-height: 1.22; letter-spacing: -0.015em;
  margin: 0 0 1.5rem; max-width: 30ch;
}
.claim-soft { display: block; color: rgba(242, 238, 228, 0.5); }
.claim-hard { display: block; font-style: italic; color: var(--paper); }
.claim-hard::after { content: " ▮"; color: var(--pine-bright); font-style: normal; font-size: .6em; }
.claim-sub {
  font-family: var(--mono); font-size: .76rem; letter-spacing: 0.06em;
  color: rgba(242, 238, 228, 0.55); margin: 0; max-width: 72ch; line-height: 1.7;
}

/* =====================  SECTION SCAFFOLD  ============================= */
section:not(.hero) { padding: var(--section-gap) var(--pad); border-bottom: 1px solid var(--rule); }

.section-label {
  font-family: var(--mono); font-size: .76rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink);
  margin-bottom: 1.7rem; display: flex; align-items: baseline; gap: .9rem;
}
.section-label span { color: var(--pine); font-weight: 700; }

.lede {
  font-size: clamp(1.2rem, 0.9vw + 1.05rem, 1.6rem);
  line-height: 1.45; max-width: 40ch; color: var(--ink);
  margin: 0 0 clamp(2.4rem, 5vw, 3.6rem); font-weight: 360;
}

/* inline code ----------------------------------------------------------- */
code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--paper-3);
  padding: 0.08em 0.4em; border-radius: 3px;
}
.lede code, .workflow-note code { background: var(--paper-3); color: var(--pine-deep); }

/* =======================  TWO VOICES  ================================= */
.voices-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border: 1px solid var(--ink);
}
@media (max-width: 740px) { .voices-grid { grid-template-columns: 1fr; } }

.voice { padding: clamp(1.8rem, 3.5vw, 3rem); }
.voice--human  { background: var(--paper); }
.voice--machine{ background: var(--paper-2); border-left: 1px solid var(--ink); }
@media (max-width: 740px) { .voice--machine { border-left: none; border-top: 1px solid var(--ink); } }

.voice-head {
  font-family: var(--mono); font-size: .73rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.18em; color: var(--pine);
  margin: 0 0 1.4rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule);
}
.voice ul { list-style: none; margin: 0; padding: 0; }
.voice li { padding: .55rem 0; border-bottom: 1px solid var(--rule-soft); }
.voice li:last-child { border-bottom: none; }

/* human voice = serif prose; machine voice = mono */
.voice--human li { font-family: var(--serif); font-size: 1.08rem; }
.voice--machine li { font-family: var(--mono); font-size: .82rem; color: var(--ink-soft); line-height: 1.5; }

.voice-foot {
  font-family: var(--mono); font-size: .68rem; letter-spacing: 0.1em;
  color: var(--ink-mute); margin: 1.4rem 0 0; text-transform: uppercase;
}

/* =========================  WORKFLOW  ================================= */
.phases {
  list-style: none; margin: 0 0 clamp(2rem, 4vw, 3rem); padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--ink);
}
@media (max-width: 880px) { .phases { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .phases { grid-template-columns: 1fr; } }

.phase {
  padding: 1.8rem 1.5rem 1.6rem;
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--rule);
  position: relative;
}
.phase:last-child { border-right: none; }
@media (max-width: 880px) {
  .phase:nth-child(2n) { border-right: none; }
}
.phase-num {
  font-family: var(--mono); font-size: .72rem; font-weight: 700;
  color: var(--pine); letter-spacing: 0.1em;
}
.phase h3 {
  font-family: var(--serif); font-weight: 480;
  font-size: 1.5rem; letter-spacing: -0.01em;
  margin: .5rem 0 .6rem;
}
.phase p { font-size: .98rem; color: var(--ink-soft); margin: 0 0 1.3rem; line-height: 1.5; }
.gate {
  font-family: var(--mono); font-size: .66rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-mute);
  display: block; padding-top: .9rem; border-top: 1px dashed var(--rule);
}
.workflow-note {
  max-width: 56ch; color: var(--ink-soft);
  font-size: 1.05rem; margin: 0;
  padding-left: 1.2rem; border-left: 2px solid var(--pine);
}

/* ===========================  EARS  =================================== */
.ears-sample {
  margin: 0 0 clamp(2.2rem, 4vw, 3.2rem); padding: clamp(1.6rem, 3vw, 2.6rem);
  background: var(--ink); color: var(--paper);
  border-radius: 3px;
  font-family: var(--mono); font-weight: 400;
  font-size: clamp(1rem, 1.6vw, 1.4rem); line-height: 1.55;
  box-shadow: 6px 6px 0 var(--pine);
}
.ears-sample .kw { color: #b7d9bf; font-weight: 700; }

.ears-forms {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0; margin: 0; border: 1px solid var(--rule);
}
@media (max-width: 600px) { .ears-forms { grid-template-columns: 1fr; } }
.ears-forms > div {
  display: flex; flex-direction: column; gap: .25rem;
  padding: 1.05rem 1.3rem;
  border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule);
}
.ears-forms > div:nth-child(2n) { border-right: none; }
@media (max-width: 600px) { .ears-forms > div { border-right: none; } }
.ears-forms dt {
  font-family: var(--serif); font-style: italic; font-size: 1.1rem; font-weight: 420;
}
.ears-forms dd {
  margin: 0; font-family: var(--mono); font-size: .76rem;
  color: var(--ink-soft); letter-spacing: 0.01em;
}

/* ===========================  DEMO  =================================== */
.demo-frame {
  margin: 0; border: 1px solid var(--ink); border-radius: 5px;
  overflow: hidden; background: #14130e;
  box-shadow: 8px 8px 0 var(--ink);
  aspect-ratio: 16 / 9; display: flex; flex-direction: column;
}
.demo-bar {
  display: flex; align-items: center; gap: .5rem;
  padding: .7rem 1rem; background: #1f1d16;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.demo-bar .dot { width: .62rem; height: .62rem; border-radius: 50%; background: #3a382e; }
.demo-bar .dot:first-child { background: var(--pine-bright); }
.demo-bar-title {
  font-family: var(--mono); font-size: .7rem; letter-spacing: 0.06em;
  color: rgba(242,238,228,.5); margin-left: .6rem;
}
/* copy button variant for the dark terminal bar */
.demo-bar .copy {
  margin-left: auto;
  border: 1px solid rgba(242,238,228,.25);
  background: transparent; color: rgba(242,238,228,.8);
  padding: .3rem .7rem; border-radius: 3px;
}
.demo-bar .copy:hover { background: var(--pine); border-color: var(--pine); color: var(--paper); }
.demo-bar .copy.is-copied { background: var(--pine-bright); border-color: var(--pine-bright); color: var(--paper); }
.demo-stage {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .9rem;
  text-align: center; padding: 1.5rem; color: var(--paper);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(59,96,73,.18), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(255,255,255,.018) 28px 29px);
}
.demo-stage .play {
  font-size: 1.4rem; color: var(--paper);
  width: 3.4rem; height: 3.4rem; display: grid; place-items: center;
  border: 1px solid rgba(242,238,228,.3); border-radius: 50%;
  padding-left: .2rem;
}
.demo-caption {
  font-family: var(--serif); font-style: italic; font-size: 1.35rem;
  margin: 0; color: var(--paper);
}
.demo-sub {
  font-family: var(--mono); font-size: .72rem; letter-spacing: 0.05em;
  color: rgba(242,238,228,.46); margin: 0; max-width: 46ch;
}

/* =========================  HOW YOU USE IT  =========================== */
/* Reuses .demo-frame / .demo-bar for the terminal chrome; overrides the
   16:9 stage with a prompt-sized one (double class: order-independent). */
.demo-frame.howto-frame { aspect-ratio: auto; }
.howto-stage {
  padding: clamp(1.7rem, 3.5vw, 2.9rem);
  color: var(--paper);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(59,96,73,.18), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(255,255,255,.018) 28px 29px);
}
.howto-label {
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--pine-bright); margin: 0 0 1rem;
}
.howto-prompt {
  font-family: var(--serif); font-weight: 380;
  font-size: clamp(1.08rem, 1.8vw, 1.45rem); line-height: 1.6;
  margin: 0; max-width: 58ch; color: var(--paper);
}
.howto-prompt em { color: #b7d9bf; }
.cursor {
  display: inline-block; width: .5em; height: 1em;
  background: var(--pine-bright); margin-left: .18em;
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }
.howto-note {
  max-width: 56ch; color: var(--ink-soft);
  font-size: 1.05rem; margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding-left: 1.2rem; border-left: 2px solid var(--pine);
}
.howto-note code { background: var(--paper-3); color: var(--pine-deep); }

/* -----------------------  FILE EXPLORER  ---------------------------- */
.explorer-lead {
  margin: 2.6rem 0 1.1rem; max-width: var(--measure);
  color: var(--ink-soft); font-size: 1.02rem;
}
.explorer-hint {
  display: inline-block; margin-left: 0.35rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.02em;
  text-transform: uppercase; color: var(--pine-bright);
}
.explorer {
  border: 1px solid var(--ink);
  background: var(--paper-2);
  box-shadow: 8px 8px 0 var(--pine);
}
.explorer-bar {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 1.1rem; border-bottom: 1px solid var(--ink);
  background: var(--paper-3);
  font-family: var(--mono); font-size: 0.78rem;
}
.explorer-path { font-weight: 600; color: var(--pine-deep); letter-spacing: 0.01em; white-space: nowrap; }
.explorer-meta { color: var(--ink-mute); font-size: 0.72rem; }
.tree { list-style: none; margin: 0; padding: 0.5rem 0; }
.tree > li { margin: 0; }
.tree-row {
  display: flex; align-items: center; gap: 0.55rem; width: 100%;
  padding: 0.34rem 1.1rem 0.34rem calc(1.1rem + var(--lvl, 0) * 1.35rem);
  font-family: var(--mono); font-size: 0.83rem; line-height: 1.3;
  color: var(--ink); text-align: left;
}
.tree-row.dir { color: var(--ink-soft); }
.ico { flex: none; width: 1em; text-align: center; color: var(--pine); }
.ico-dir::before  { content: "▸"; }
.ico-doc::before  { content: "▪"; color: var(--pine-bright); }
.ico-file::before { content: "▫"; color: var(--ink-mute); }
button.tree-row {
  background: none; border: 0; cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease;
}
.file--spec { font-weight: 500; }
.file--spec:hover, .file--spec:focus-visible {
  background: var(--paper-3); color: var(--pine-deep); outline: none;
}
.file--spec:focus-visible { box-shadow: inset 3px 0 0 var(--pine); }
.file-pill {
  margin-left: auto;
  font-size: 0.64rem; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.1rem 0.5rem; border-radius: 999px;
  background: var(--pine); color: var(--paper);
}
.file--src { color: var(--ink-soft); }
.file-tag {
  margin-left: auto; font-size: 0.68rem; font-style: normal;
  color: var(--ink-mute); letter-spacing: 0.01em;
}

/* -----------------------  SPEC MODAL  ------------------------------- */
.spec-modal { position: fixed; inset: 0; z-index: 60; }
.spec-modal[hidden] { display: none; }
.spec-backdrop {
  position: absolute; inset: 0;
  background: rgba(24, 22, 16, 0.42);
  opacity: 0; transition: opacity 0.22s ease;
}
.spec-modal.is-open .spec-backdrop { opacity: 1; }
.spec-dialog {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -46%);
  width: min(760px, 100%); max-height: 88vh;
  display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--ink);
  box-shadow: 10px 10px 0 var(--pine);
  opacity: 0; transition: opacity 0.22s ease, transform 0.22s ease;
}
.spec-modal.is-open .spec-dialog { opacity: 1; transform: translate(-50%, -50%); }
.spec-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.9rem;
  padding: 1.1rem 1.4rem 0.9rem; border-bottom: 1px solid var(--ink);
}
.spec-crumb {
  flex: 1 1 100%; margin: 0;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.02em;
  color: var(--ink-mute);
}
.spec-title { margin: 0; font-family: var(--mono); font-size: 1.05rem; color: var(--pine-deep); }
.spec-close {
  margin: -0.6rem -0.95rem -0.6rem auto; background: none; border: 0; cursor: pointer;
  padding: 0.6rem 0.95rem;   /* ≥44px touch target — on mobile it is the only way out */
  font-size: 1.6rem; line-height: 1; color: var(--ink-soft);
}
.spec-close:hover { color: var(--ink); }
.spec-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--rule);
  padding: 0 1.4rem; background: var(--paper-2);
}
.spec-tab {
  background: none; border: 0; cursor: pointer;
  padding: 0.7rem 0.9rem; margin-bottom: -1px;
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft);
  border-bottom: 2px solid transparent;
}
.spec-tab:hover { color: var(--ink); }
.spec-tab.is-on { color: var(--pine-deep); border-bottom-color: var(--pine); }
.spec-body { overflow-y: auto; padding: 1.4rem; }
.spec-pane { display: none; }
.spec-pane.is-on { display: block; animation: specfade 0.22s ease; }
@keyframes specfade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.fm {
  display: flex; flex-wrap: wrap; gap: 0.4rem 0.9rem;
  padding: 0.7rem 0.9rem; margin-bottom: 1.2rem;
  background: var(--paper-3); border-left: 3px solid var(--pine);
  font-family: var(--mono); font-size: 0.72rem;
}
.fm-status { color: var(--pine-deep); font-weight: 600; }
.fm-status::before { content: "● "; color: var(--pine-bright); }
.fm-item, .fm-chain { color: var(--ink-mute); }
.fm-hash { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.doc { font-size: 0.94rem; line-height: 1.6; }
.doc-muted { color: var(--ink-soft); }
.doc code { font-family: var(--mono); font-size: 0.82em; background: var(--paper-3); padding: 0.05em 0.35em; color: var(--pine-deep); }
.doc-pre {
  margin: 0.6rem 0 0.9rem; padding: 0.8rem 1rem;
  background: var(--paper-3); border-left: 3px solid var(--rule);
  font-family: var(--mono); font-size: 0.74rem; line-height: 1.55;
  overflow-x: auto; tab-size: 10;
}
.doc-h {
  margin: 1.4rem 0 0.5rem; font-family: var(--mono);
  font-size: 0.74rem; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-mute);
}
.req { padding: 0.9rem 0; border-top: 1px solid var(--rule-soft); }
.req:first-of-type { border-top: 0; }
.req-head { font-family: var(--mono); font-size: 0.9rem; color: var(--pine-deep); }
.req-story { margin: 0.3rem 0 0.6rem; color: var(--ink-soft); font-style: italic; }
.ac { margin: 0.4rem 0; }
.ac-id {
  font-family: var(--mono); font-size: 0.72rem; font-weight: 600;
  color: var(--pine-bright); margin-right: 0.4rem;
}
.ac b { font-family: var(--mono); font-size: 0.82em; color: var(--pine-deep); font-weight: 600; }
.opts { margin: 0.4rem 0; padding-left: 1.1rem; }
.opts li { margin: 0.4rem 0; color: var(--ink-soft); }
.opts b { color: var(--pine-deep); }
.cov { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.8rem; }
.cov td { padding: 0.4rem 0.6rem; border-top: 1px solid var(--rule-soft); }
.cov td:first-child { color: var(--pine-deep); font-weight: 600; width: 7rem; }
.cov td:last-child { color: var(--ink-soft); }
.tasks .task-grp { margin-bottom: 0.6rem; }
.task { padding: 0.6rem 0.9rem; margin: 0.5rem 0; background: var(--paper-2); border-left: 3px solid var(--pine); }
.task-name { margin: 0 0 0.35rem; font-family: var(--mono); font-size: 0.84rem; color: var(--pine-deep); }
.task-meta { margin: 0.15rem 0; font-family: var(--mono); font-size: 0.72rem; color: var(--ink-soft); }
.task-k { color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.03em; margin-right: 0.5rem; }
.task-check { color: var(--pine-bright); font-weight: 700; margin-right: 0.45rem; }
.doc code.task-cmd {   /* outranks the generic .doc code skin */
  display: block; margin: 0.3rem 0 0.45rem; padding: 0.55rem 0.75rem;
  background: var(--ink); color: var(--paper); border-radius: 3px;
  font-size: 0.68rem; line-height: 1.6;
  white-space: pre-wrap; overflow-wrap: anywhere;
}

@media (max-width: 640px) {
  .spec-dialog {
    top: 0; left: 0; transform: none; width: 100%; height: 100%; max-height: 100vh;
  }
  .spec-modal.is-open .spec-dialog { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .spec-backdrop, .spec-dialog { transition: none; }
  .spec-pane.is-on { animation: none; }
}

/* =========================  THE STACK  ================================ */
.stack-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--ink);
  margin: 0 0 clamp(2rem, 4vw, 3rem);
}
@media (max-width: 680px) { .stack-grid { grid-template-columns: 1fr; } }

.recipe {
  padding: 1.9rem 1.6rem 1.7rem;
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--rule);
  min-width: 0;   /* let the nowrap .recipe-cmd scroll instead of widening the grid */
}
.recipe:nth-child(2n) { border-right: none; }
@media (max-width: 680px) { .recipe { border-right: none; } }

.recipe-name {
  font-family: var(--serif); font-weight: 480;
  font-size: 1.4rem; letter-spacing: -0.01em;
  margin: 0 0 .6rem;
}
.recipe p { font-size: .97rem; color: var(--ink-soft); line-height: 1.55; margin: 0 0 1.2rem; }
.recipe-cmd {
  display: block; font-family: var(--mono); font-size: .77rem;
  background: var(--ink); color: var(--paper);
  padding: .7rem .95rem; border-radius: 3px; margin: 0 0 1rem;
  overflow-x: auto; white-space: nowrap;
}
.recipe-cmd::before { content: "$ "; color: var(--pine-bright); }
.recipe-out {
  font-family: var(--mono); font-size: .66rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-mute);
  display: block; padding-top: .85rem; border-top: 1px dashed var(--rule);
}

/* ==========================  INSTALL  ================================= */
.code-block {
  position: relative; border: 1px solid var(--ink); border-radius: 3px;
  background: var(--ink); color: var(--paper);
  box-shadow: 5px 5px 0 var(--pine);
  margin-bottom: 1.7rem; overflow: hidden;
}
.code-block .copy { position: absolute; top: 0; right: 0; height: 100%; border-left: 1px solid rgba(255,255,255,.14); }
.code-block pre {
  margin: 0; padding: 1.4rem 5.2rem 1.4rem 1.4rem;
  font-family: var(--mono); font-size: .86rem; line-height: 1.9;
  overflow-x: auto;
}
.code-block .c::before { content: "$ "; color: var(--pine-bright); }
.install-alt { font-size: 1rem; color: var(--ink-soft); margin: 0; max-width: 60ch; }
.install-alt code { background: var(--paper-3); color: var(--pine-deep); overflow-wrap: anywhere; }

/* ========================  ON THE NAME  ============================== */
.name { position: relative; }
.thoreau {
  margin: 0 0 1.2rem; max-width: 22ch;
  font-family: var(--serif); font-style: italic; font-weight: 360;
  font-size: clamp(1.9rem, 4.5vw, 3.4rem); line-height: 1.18;
  letter-spacing: -0.015em; position: relative;
}
.thoreau .quote-mark {
  font-style: normal; color: var(--pine);
  font-size: 1.3em; line-height: 0;
  margin-right: .06em;
}
.thoreau-cite {
  font-family: var(--mono); font-size: .74rem; letter-spacing: 0.08em;
  color: var(--ink-mute); margin: 0 0 2.4rem;
}
.thoreau-cite cite { font-style: normal; }
.name-note { max-width: 54ch; color: var(--ink-soft); font-size: 1.12rem; margin: 0; }

/* ==========================  FOOTER  ================================= */
.site-foot {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.2rem;
  padding: 2.6rem var(--pad);
  background: var(--paper-2);
}
.foot-left { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.foot-mark { font-family: var(--serif); font-size: 1.2rem; font-weight: 520; }
.foot-meta { font-family: var(--mono); font-size: .7rem; letter-spacing: 0.08em; color: var(--ink-mute); text-transform: uppercase; }
.foot-nav { display: flex; gap: 1.8rem; }
.foot-nav a {
  font-family: var(--mono); font-size: .72rem; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-soft); text-decoration: none;
}

/* ==========================  MOTION  ================================= */
.reveal { opacity: 0; transform: translateY(14px); animation: rise .9s cubic-bezier(.2,.7,.2,1) forwards; animation-delay: var(--d, 0s); }
.rise { opacity: 0; transform: translateY(22px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.rise.in { opacity: 1; transform: none; }

@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .reveal, .rise { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
}