/* =========================================================================
   OpenWarden — open-warden.com
   Brand register: honest, warm, sturdy. Light theme. Committed clay accent.
   Zero third-party requests. Fonts self-hosted. No trackers, no cookies.
   ========================================================================= */

/* ---- Self-hosted fonts ------------------------------------------------- */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight: 200 800;
  font-stretch: 75% 100%;
  font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("fonts/hanken-grotesk.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Hanken Grotesk";
  src: url("fonts/hanken-grotesk-italic.woff2") format("woff2");
  font-weight: 400 600;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Spline Sans Mono";
  src: url("fonts/spline-sans-mono.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}

/* ---- Design tokens ----------------------------------------------------- */
:root {
  /* Color — OKLCH, warm-tinted neutrals, one committed clay accent.
     No #000 / #fff anywhere. */
  --paper:        oklch(0.967 0.012 82);
  --paper-2:      oklch(0.945 0.017 78);
  --paper-3:      oklch(0.915 0.021 74);
  --ink:          oklch(0.255 0.022 55);
  --ink-2:        oklch(0.425 0.027 52);
  --ink-3:        oklch(0.495 0.032 56);
  --clay:         oklch(0.585 0.142 47);
  --clay-deep:    oklch(0.495 0.135 44);
  --clay-tint:    oklch(0.930 0.038 62);
  --clay-tint-2:  oklch(0.895 0.052 60);
  --pine:         oklch(0.460 0.072 162);
  --pine-deep:    oklch(0.395 0.066 163);
  --pine-tint:    oklch(0.935 0.030 165);
  --line:         oklch(0.865 0.018 72);
  --line-strong:  oklch(0.785 0.022 68);

  /* Dark "back cover" surface */
  --bark:         oklch(0.275 0.028 48);
  --bark-2:       oklch(0.235 0.026 48);
  --bark-line:    oklch(0.40 0.03 50);
  --paper-on-bark:oklch(0.93 0.015 80);
  --muted-on-bark:oklch(0.74 0.02 70);
  --clay-on-bark: oklch(0.74 0.13 58);
  --pine-on-bark: oklch(0.72 0.10 162);

  /* Type families */
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "Spline Sans Mono", ui-monospace, "Cascadia Code", monospace;

  /* Fluid modular scale, ratio >= 1.25 */
  --step--1: clamp(0.82rem, 0.79rem + 0.13vw, 0.90rem);
  --step-0:  clamp(1.02rem, 0.98rem + 0.20vw, 1.14rem);
  --step-1:  clamp(1.28rem, 1.20rem + 0.40vw, 1.55rem);
  --step-2:  clamp(1.60rem, 1.45rem + 0.74vw, 2.15rem);
  --step-3:  clamp(2.00rem, 1.74rem + 1.30vw, 3.00rem);
  --step-4:  clamp(2.45rem, 2.00rem + 2.25vw, 4.10rem);
  --step-5:  clamp(2.90rem, 2.10rem + 4.00vw, 5.60rem);

  /* Spacing — fluid where it earns rhythm */
  --space-2xs: 0.375rem;
  --space-xs:  0.625rem;
  --space-s:   1rem;
  --space-m:   1.5rem;
  --space-l:   2.5rem;
  --space-xl:  clamp(3rem, 2rem + 5vw, 5.5rem);
  --space-2xl: clamp(4.5rem, 3rem + 7.5vw, 9rem);

  --r-1: 7px;
  --r-2: 12px;
  --r-3: 18px;
  --r-pill: 999px;

  --wrap: 72rem;
  --measure: 38rem;

  --shadow-1: 0 1px 2px oklch(0.4 0.03 60 / 0.10), 0 2px 6px oklch(0.4 0.03 60 / 0.06);
  --shadow-2: 0 2px 6px oklch(0.4 0.03 60 / 0.10), 0 10px 30px oklch(0.4 0.03 60 / 0.10);

  --ease: cubic-bezier(0.22, 1, 0.36, 1); /* ease-out-quint-ish */
  --t-fast: 140ms;
  --t: 260ms;
}

/* ---- Reset / base ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-synthesis: none;
  overflow-x: hidden;
}
img, svg, picture { display: block; max-width: 100%; }
svg { height: auto; }
a { color: var(--clay-deep); text-decoration: none; }
a:hover { color: var(--clay); }
ul, ol { list-style: none; padding: 0; }
:focus-visible {
  outline: 3px solid var(--clay-deep);
  outline-offset: 3px;
  border-radius: 3px;
}
::selection { background: var(--clay-tint-2); color: var(--ink); }
.skip-link {
  position: absolute; left: var(--space-s); top: -4rem;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; border-radius: var(--r-1);
  z-index: 100; transition: top var(--t-fast) var(--ease);
}
.skip-link:focus { top: var(--space-s); color: var(--paper); }

/* ---- Typography -------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.018em;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: var(--step-5); font-weight: 700; letter-spacing: -0.03em; overflow-wrap: break-word; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-2); line-height: 1.12; letter-spacing: -0.012em; }
h4 { font-size: var(--step-1); }
p  { text-wrap: pretty; }
strong, b { font-weight: 650; color: var(--ink); }
em { font-style: italic; }

.lede { font-size: var(--step-1); line-height: 1.5; color: var(--ink-2); max-width: 40rem; }
.measure { max-width: var(--measure); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clay-deep);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  max-width: 100%;
  width: fit-content;
}
.eyebrow::before {
  content: "";
  width: 1.6rem; height: 2px;
  background: var(--clay);
  display: inline-block;
}
.mono { font-family: var(--font-mono); font-size: 0.92em; letter-spacing: -0.01em; }
.kbd-term {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--paper-3);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.08em 0.38em;
  color: var(--ink-2);
}

/* ---- Layout primitives ------------------------------------------------- */
.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}
.wrap--narrow { --wrap: 54rem; }
.section { padding-block: var(--space-2xl); }
.section--tight { padding-block: var(--space-xl); }
.section-head { max-width: 44rem; margin-bottom: var(--space-l); }
.section-head .eyebrow { margin-bottom: var(--space-s); }
.section-head h2 + p { margin-top: var(--space-s); }

.band--alt   { background: var(--paper-2); }
.band--clay  { background: linear-gradient(170deg, var(--clay-tint), var(--paper)); }
.band--pine  { background: var(--pine-tint); }
.band--bark  { background: var(--bark); color: var(--paper-on-bark); }

/* ---- Header / nav ------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: oklch(0.967 0.012 82 / 0.82);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  backdrop-filter: blur(10px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.site-header[data-stuck="true"] {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-1);
}
.nav {
  display: flex; align-items: center; gap: var(--space-m);
  height: 4.5rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700; font-size: 1.22rem;
  letter-spacing: -0.02em; color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand__mark { width: 1.7rem; height: 1.7rem; flex: none; }
.nav__links {
  display: flex; align-items: center; gap: clamp(0.5rem, 1.5vw, 1.5rem);
  margin-left: auto;
}
.nav__link {
  color: var(--ink-2); font-weight: 500; font-size: var(--step--1);
  padding: 0.4rem 0.2rem; position: relative;
}
.nav__link:hover { color: var(--ink); }
.nav__link::after {
  content: ""; position: absolute; left: 0.2rem; right: 0.2rem; bottom: 0.05rem;
  height: 2px; background: var(--clay); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform var(--t) var(--ease);
}
.nav__link:hover::after { transform: scaleX(1); }
.nav__toggle { display: none; }

/* ---- Buttons ----------------------------------------------------------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  font-family: var(--font-body); font-weight: 600; font-size: var(--step-0);
  line-height: 1; letter-spacing: -0.01em;
  padding: 0.85rem 1.35rem;
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid transparent; border-radius: var(--r-2);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}
.btn:hover { color: var(--btn-fg); transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn:active { transform: translateY(0); }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }
.btn--primary { --btn-bg: var(--clay); --btn-fg: oklch(0.99 0.01 85); }
.btn--primary:hover { --btn-bg: var(--clay-deep); }
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { --btn-bg: var(--paper-3); box-shadow: var(--shadow-1); }
.btn--sm { padding: 0.55rem 0.95rem; font-size: var(--step--1); border-radius: var(--r-1); }
.btn--on-bark { --btn-bg: var(--paper-on-bark); --btn-fg: var(--bark); }
.btn--ghost-on-bark { --btn-bg: transparent; --btn-fg: var(--paper-on-bark); border-color: var(--bark-line); }
.btn--ghost-on-bark:hover { --btn-bg: oklch(1 0 0 / 0.06); }

.btnrow { display: flex; flex-wrap: wrap; gap: var(--space-s); align-items: center; }

.textlink {
  font-weight: 600;
  display: inline-flex; align-items: center; gap: 0.35rem;
  border-bottom: 1.5px solid var(--clay-tint-2);
  transition: border-color var(--t-fast) var(--ease);
}
.textlink:hover { border-bottom-color: var(--clay); }
.textlink svg { width: 0.9em; height: 0.9em; transition: transform var(--t-fast) var(--ease); }
.textlink:hover svg { transform: translateX(3px); }

/* ---- Hero -------------------------------------------------------------- */
.hero { padding-block: clamp(3.5rem, 2rem + 8vw, 7.5rem) var(--space-2xl); position: relative; }
.hero__grid {
  display: grid; gap: var(--space-xl);
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
}
.hero__grid > * { min-width: 0; }
.hero h1 { margin-top: var(--space-m); margin-bottom: var(--space-m); max-width: 14ch; }
.hero h1 .accent { color: var(--clay); }
.hero__lede { font-size: var(--step-1); color: var(--ink-2); max-width: 34rem; line-height: 1.5; }
.hero .btnrow { margin-top: var(--space-l); }
.hero__note { margin-top: var(--space-m); font-size: var(--step--1); color: var(--ink-3); }
.hero__aside { justify-self: end; width: 100%; max-width: 30rem; }

/* pledge chips under hero */
.pledge-strip {
  margin-top: var(--space-xl);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: var(--space-m);
  display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; align-items: center;
}
.pledge-strip li {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: var(--step--1); color: var(--ink-2);
}
.pledge-strip svg { width: 1.05rem; height: 1.05rem; color: var(--pine); flex: none; }

/* ---- Generic "feature" two-up ------------------------------------------ */
.split {
  display: grid; gap: var(--space-xl);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  align-items: start;
}

/* ---- "Never sees" — the trust differentiator --------------------------- */
.contrast-cols {
  display: grid; gap: var(--space-l);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  margin-top: var(--space-l);
}
.trust-card {
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: clamp(1.4rem, 1rem + 1.6vw, 2.2rem);
  background: var(--paper);
}
.trust-card--never { background: var(--paper); border-color: var(--line-strong); }
.trust-card--sees  { background: var(--pine-tint); border-color: oklch(0.86 0.04 165); }
.trust-card h3 { display: flex; align-items: baseline; gap: 0.6rem; margin-bottom: var(--space-xs); }
.trust-card__tag {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.18rem 0.5rem; border-radius: var(--r-pill);
}
.trust-card--never .trust-card__tag { background: var(--ink); color: var(--paper); }
.trust-card--sees  .trust-card__tag { background: var(--pine); color: oklch(0.98 0.01 165); }
.trust-card > p { color: var(--ink-2); margin-bottom: var(--space-m); }

.tlist { display: grid; gap: 0.15rem; }
.tlist li {
  display: flex; align-items: flex-start; gap: 0.7rem;
  padding: 0.65rem 0; border-top: 1px solid var(--line);
  font-weight: 550;
}
.tlist li:first-child { border-top: 0; }
.tlist .ticon { flex: none; width: 1.3rem; height: 1.3rem; margin-top: 0.12rem; }
.tlist--never .label { color: var(--ink); }
.tlist--never .ticon { color: var(--clay-deep); }
.tlist--never .label s { text-decoration-color: var(--clay); text-decoration-thickness: 2px; }
.tlist--sees .ticon { color: var(--pine-deep); }
.tlist li .sub { display: block; font-weight: 450; font-size: var(--step--1); color: var(--ink-3); }

.callout-strong {
  margin-top: var(--space-l);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--step-2);
  line-height: 1.22;
  letter-spacing: -0.012em;
  max-width: 30ch;
  color: var(--ink);
  text-wrap: balance;
}
.callout-strong .accent { color: var(--clay); }

/* ---- How it works ------------------------------------------------------ */
.how__grid {
  display: grid; gap: var(--space-xl);
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
}
.steps { display: grid; gap: var(--space-m); counter-reset: step; }
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-m); align-items: start; }
.step__num {
  counter-increment: step;
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  width: 2.4rem; height: 2.4rem; border-radius: var(--r-pill);
  display: grid; place-items: center;
  background: var(--clay-tint); color: var(--clay-deep);
  border: 1px solid var(--clay-tint-2);
}
.step__num::before { content: counter(step); }
.step h3 { font-size: var(--step-1); margin-bottom: 0.2rem; }
.step p { color: var(--ink-2); }
.diagram {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  padding: clamp(1.2rem, 1rem + 1.5vw, 2rem);
  box-shadow: var(--shadow-1);
}
.diagram figcaption {
  margin-top: var(--space-s); font-size: var(--step--1); color: var(--ink-3);
  text-align: center; font-family: var(--font-mono); letter-spacing: -0.01em;
}
.diagram text { font-family: var(--font-mono); }
.card-title {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-2);
  line-height: 1.12; letter-spacing: -0.012em; color: var(--ink);
  margin-bottom: var(--space-xs);
}

/* ---- Reasons / why list ------------------------------------------------ */
.reasons { display: grid; gap: 0; margin-top: var(--space-m); }
.reason {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-m);
  padding: var(--space-m) 0; border-top: 1px solid var(--line);
}
.reason:last-child { border-bottom: 1px solid var(--line); }
.reason__icon {
  width: 2.6rem; height: 2.6rem; flex: none; color: var(--clay-deep);
  background: var(--clay-tint); border-radius: var(--r-2);
  display: grid; place-items: center;
}
.reason__icon svg { width: 1.4rem; height: 1.4rem; }
.reason h3 { font-size: var(--step-1); margin-bottom: 0.25rem; }
.reason p { color: var(--ink-2); max-width: 46rem; }

/* ---- Roadmap ----------------------------------------------------------- */
.roadmap { display: grid; gap: var(--space-m); margin-top: var(--space-l); }
.phase {
  display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: var(--space-l);
  padding: var(--space-l) 0; border-top: 1px solid var(--line);
  align-items: start;
}
.phase:first-child { border-top: 0; }
.phase__meta { display: flex; flex-direction: column; gap: 0.5rem; }
.phase__ver {
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-2);
  color: var(--ink); letter-spacing: -0.02em;
}
.status {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500;
  letter-spacing: 0.03em; text-transform: uppercase;
  padding: 0.28rem 0.6rem; border-radius: var(--r-pill);
  border: 1px solid var(--line-strong); color: var(--ink-2);
}
.status::before { content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--ink-3); }
.status--now    { color: var(--clay-deep); border-color: var(--clay-tint-2); background: var(--clay-tint); }
.status--now::before { background: var(--clay); }
.status--next   { color: var(--ink-2); }
.status--later  { color: var(--ink-3); }
.phase__items { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.phase__items li {
  font-size: var(--step--1); font-weight: 500; color: var(--ink-2);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-pill);
  padding: 0.35rem 0.8rem;
}
.phase__lede { margin-bottom: var(--space-s); color: var(--ink-2); max-width: 44rem; }

/* ---- Contribute (bark band) ------------------------------------------- */
.band--bark h2, .band--bark h3 { color: var(--paper-on-bark); }
.band--bark .eyebrow { color: var(--clay-on-bark); }
.band--bark .eyebrow::before { background: var(--clay-on-bark); }
.band--bark p { color: var(--muted-on-bark); }
.contribute__grid {
  display: grid; gap: var(--space-xl);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
}
.contrib-list { display: grid; gap: var(--space-m); margin-top: var(--space-l); }
.contrib {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-m); align-items: start;
  padding-block: var(--space-s); border-top: 1px solid var(--bark-line);
}
.contrib:first-child { border-top: 0; padding-top: 0; }
.contrib__icon { width: 2.4rem; height: 2.4rem; color: var(--clay-on-bark);
  background: oklch(1 0 0 / 0.05); border: 1px solid var(--bark-line);
  border-radius: var(--r-2); display: grid; place-items: center; }
.contrib__icon svg { width: 1.3rem; height: 1.3rem; }
.contrib h3 { font-size: var(--step-1); margin-bottom: 0.15rem; }
.contrib p { color: var(--muted-on-bark); }

/* ---- Crisis / safety note ---------------------------------------------- */
.safety-note {
  border: 1px solid var(--line-strong); border-radius: var(--r-3);
  background: var(--paper); padding: clamp(1.3rem, 1rem + 1.5vw, 2rem);
}
.safety-note h3 { font-size: var(--step-1); margin-bottom: var(--space-xs); display: flex; gap: 0.55rem; align-items: center; }
.safety-note h3 svg { width: 1.3rem; height: 1.3rem; color: var(--pine-deep); flex: none; }
.safety-note p { color: var(--ink-2); margin-bottom: var(--space-s); }
.safety-list { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; }
.safety-list li { font-weight: 550; }
.safety-list .num { font-family: var(--font-mono); color: var(--clay-deep); font-weight: 600; }

/* ---- Footer ------------------------------------------------------------ */
.site-footer { background: var(--bark-2); color: var(--paper-on-bark); padding-block: var(--space-xl); }
.footer__top {
  display: grid; gap: var(--space-xl);
  grid-template-columns: minmax(0, 1.4fr) repeat(auto-fit, minmax(8rem, 1fr));
}
.footer__brand .brand { color: var(--paper-on-bark); }
.footer__pledge { color: var(--muted-on-bark); margin-top: var(--space-s); max-width: 30rem; }
.footer__col h4 { font-family: var(--font-body); font-size: var(--step--1);
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--clay-on-bark); margin-bottom: var(--space-s); }
.footer__col ul { display: grid; gap: 0.55rem; }
.footer__col a { color: var(--muted-on-bark); font-weight: 500; }
.footer__col a:hover { color: var(--paper-on-bark); }
.footer__bottom {
  margin-top: var(--space-xl); padding-top: var(--space-m);
  border-top: 1px solid var(--bark-line);
  display: flex; flex-wrap: wrap; gap: var(--space-s) var(--space-l); align-items: center;
  font-size: var(--step--1); color: var(--muted-on-bark);
}
.footer__bottom a { color: var(--muted-on-bark); }
.footer__bottom a:hover { color: var(--paper-on-bark); }
.footer__anti { max-width: 40rem; }

/* ---- Ethics page specifics --------------------------------------------- */
.page-hero { padding-block: clamp(3rem, 2rem + 6vw, 6rem) var(--space-xl); }
.page-hero .eyebrow { margin-bottom: var(--space-s); }
.page-hero h1 { font-size: var(--step-4); max-width: 20ch; }
.page-hero .lede { margin-top: var(--space-m); }
.prose { max-width: var(--measure); }
.prose > * + * { margin-top: var(--space-m); }
.prose h2 { font-size: var(--step-3); margin-top: var(--space-xl); }
.prose h3 { font-size: var(--step-1); margin-top: var(--space-l); }
.prose ul { display: grid; gap: 0.65rem; margin-top: var(--space-s); }
.prose ul li { display: flex; gap: 0.7rem; align-items: flex-start; color: var(--ink-2); }
.prose ul li::before { content: ""; flex: none; width: 0.55rem; height: 0.55rem; margin-top: 0.55rem;
  border-radius: 2px; background: var(--clay); transform: rotate(45deg); }
.prose blockquote {
  border-left: 0; padding: var(--space-m) var(--space-l);
  background: var(--clay-tint); border-radius: var(--r-2);
  font-family: var(--font-display); font-weight: 500; font-size: var(--step-1);
  line-height: 1.3; color: var(--ink);
}
.do-dont { display: grid; gap: var(--space-m); grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); margin-top: var(--space-m); }
.dd { border-radius: var(--r-2); padding: var(--space-m); border: 1px solid var(--line); }
.dd--no  { background: var(--paper); }
.dd--yes { background: var(--pine-tint); border-color: oklch(0.86 0.04 165); }
.dd__tag { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; display: inline-block; margin-bottom: 0.5rem; }
.dd--no .dd__tag { color: var(--clay-deep); }
.dd--yes .dd__tag { color: var(--pine-deep); }
.dd p { color: var(--ink); font-weight: 550; }

/* ---- Scroll reveal (only hidden when JS is present; no-JS = visible) ---- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: 70ms; }
.js .reveal[data-delay="2"] { transition-delay: 140ms; }
.js .reveal[data-delay="3"] { transition-delay: 210ms; }

/* SVG diagram packet animation */
.packet { animation: drift 4.5s var(--ease) infinite; }
.packet--2 { animation-delay: 2.25s; }
@keyframes drift {
  0%, 100% { opacity: 0; }
  8%  { opacity: 1; }
  50% { opacity: 1; }
  60%, 100% { opacity: 0; }
  0%   { transform: translateX(0); }
  60%, 100% { transform: translateX(var(--drift, 120px)); }
}

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 860px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-l); }
  .hero__aside { justify-self: stretch; max-width: 26rem; order: 2; }
  .how__grid { grid-template-columns: minmax(0, 1fr); }
  .how__grid .diagram { order: -1; }
  .contribute__grid { grid-template-columns: minmax(0, 1fr); }
  .footer__top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 680px) {
  /* No-JS: links stay in normal flow (wrap under the brand) and remain usable.
     With JS, they collapse into a toggle menu. */
  .nav__link { padding: 0.5rem 0.4rem; }
  .js .nav__links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-2);
    padding: var(--space-xs) var(--space-s) var(--space-s);
    clip-path: inset(0 0 100% 0); opacity: 0; pointer-events: none;
    transition: clip-path var(--t) var(--ease), opacity var(--t) var(--ease);
  }
  .js .nav__links[data-open="true"] { clip-path: inset(0 0 0 0); opacity: 1; pointer-events: auto; }
  .js .nav__link { padding: 0.85rem 0.4rem; border-top: 1px solid var(--line); }
  .js .nav__link:first-child { border-top: 0; }
  .nav__link::after { display: none; }
  .js .nav__links .btn { margin-top: var(--space-s); }
  .js .nav__toggle {
    display: inline-flex; align-items: center; justify-content: center;
    margin-left: auto; width: 2.75rem; height: 2.75rem;
    background: transparent; border: 1px solid var(--line-strong);
    border-radius: var(--r-1); color: var(--ink); cursor: pointer;
  }
  .nav__toggle svg { width: 1.3rem; height: 1.3rem; }
  .phase { grid-template-columns: minmax(0, 1fr); gap: var(--space-s); }
  .footer__top { grid-template-columns: minmax(0, 1fr); gap: var(--space-l); }
  .reason { grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); }
  .reason__icon { margin-bottom: 0.3rem; }
  .hero h1 { font-size: clamp(2.05rem, 1.05rem + 4.6vw, 3rem); max-width: none; letter-spacing: -0.022em; text-wrap: pretty; }
  .hero__lede { max-width: 100%; }
  .pledge-strip { gap: 0.5rem 1rem; }
}

/* ---- Motion / contrast preferences ------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .packet { display: none; }
}
@media (prefers-contrast: more) {
  :root { --ink-2: var(--ink); --ink-3: var(--ink-2); --line: var(--line-strong); }
  .nav__link, .footer__col a { text-decoration: underline; }
}

/* =========================================================================
   Build / contribute pages
   ========================================================================= */

/* Pipeline flow (read as a sequence, not a card grid) */
.flow {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.55rem;
  margin-top: var(--space-l);
}
.flow__node {
  font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500;
  background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--r-pill);
  padding: 0.45rem 0.85rem; color: var(--ink); white-space: nowrap;
}
.flow__node--accent { background: var(--clay-tint); border-color: var(--clay-tint-2); color: var(--clay-deep); }
.flow__node--pine { background: var(--pine-tint); border-color: oklch(0.86 0.04 165); color: var(--pine-deep); }
.flow__arrow { color: var(--ink-3); font-weight: 600; }
.flow__loop { color: var(--clay-deep); font-weight: 600; font-family: var(--font-mono); }

/* Skill / role cards with a mono command chip */
.skill-grid {
  display: grid; gap: var(--space-m);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  margin-top: var(--space-l);
}
.skill {
  border: 1px solid var(--line); border-radius: var(--r-2);
  padding: var(--space-m); background: var(--paper);
  display: flex; flex-direction: column; gap: 0.45rem;
}
.skill h3 { font-size: var(--step-0); font-family: var(--font-display); letter-spacing: -0.01em; }
.skill p { font-size: var(--step--1); color: var(--ink-2); margin: 0; }
.skill code {
  align-self: flex-start; margin-top: auto;
  font-family: var(--font-mono); font-size: 0.78rem; color: var(--clay-deep);
  background: var(--clay-tint); border: 1px solid var(--clay-tint-2);
  border-radius: var(--r-1); padding: 0.2rem 0.5rem;
}

/* Two-engine "driver / critic" split */
.duo {
  display: grid; gap: var(--space-l);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  margin-top: var(--space-l);
}
.duo__card {
  border: 1px solid var(--line); border-radius: var(--r-3);
  padding: clamp(1.3rem, 1rem + 1.4vw, 2rem); background: var(--paper);
}
.duo__role {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase; color: var(--clay-deep);
}
.duo__card h3 { font-size: var(--step-2); margin: 0.3rem 0 var(--space-xs); }
.duo__card p { color: var(--ink-2); }

/* Compact requirement / quick-rule list */
.req {
  display: grid; gap: 0; margin-top: var(--space-l);
  border-top: 1px solid var(--line);
}
.req li {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-m);
  align-items: baseline; padding: var(--space-m) 0; border-bottom: 1px solid var(--line);
}
.req .req__k {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-0);
  color: var(--ink);
}
.req .req__v { color: var(--ink-2); }
.req .req__v code, .req__v .mono { color: var(--clay-deep); }
@media (max-width: 600px) {
  .req li { grid-template-columns: 1fr; gap: 0.2rem; }
}