/* STAIRS — layout and components.
   All tokens come from tokens.css. No hex values in this file. */

/* ============================================================
   1. Reset & base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { max-width: 100%; display: block; }
ul.plain, ol.plain { list-style: none; padding: 0; margin: 0; }
hr.hairline { border: 0; border-top: 1px solid var(--line); margin: var(--s-7) 0; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  font-feature-settings: "ss01", "cv11", "calt";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* soft paper grain — very subtle, layered behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 25% 30%, rgba(0,0,0,0.022) 50%, transparent 51%),
    radial-gradient(1px 1px at 75% 70%, rgba(0,0,0,0.018) 50%, transparent 51%),
    radial-gradient(1px 1px at 55% 15%, rgba(0,0,0,0.015) 50%, transparent 51%);
  background-size: 140px 140px, 220px 220px, 300px 300px;
  opacity: 0.9;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent);
  transition: text-decoration-color var(--d-fast) var(--ease),
              text-decoration-thickness var(--d-fast) var(--ease),
              color var(--d-fast) var(--ease);
}
a:hover {
  text-decoration-thickness: 2px;
  text-decoration-color: var(--accent);
}

.skip { position: absolute; left: -9999px; top: auto; }
.skip:focus {
  position: fixed; left: var(--s-4); top: var(--s-4);
  z-index: 100;
  padding: var(--s-3) var(--s-4);
  background: var(--accent); color: var(--accent-ink);
  border-radius: var(--r-sm);
}

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

/* ============================================================
   2. Layout primitives
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--w-default);
  margin: 0 auto;
  padding: 0 var(--s-5);
}
.container-wide { max-width: var(--w-wide); }
.prose { max-width: var(--w-prose); margin: 0 auto; }

.section { padding: var(--s-9) 0; }
.section-alt {
  background: var(--paper-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-narrow { padding: var(--s-8) 0 var(--s-9); }
.section-divider {
  border: 0;
  border-top: 1px solid var(--line);
  max-width: var(--w-default);
  margin: 0 auto;
}

@media (max-width: 48em) {
  .section { padding: var(--s-8) 0; }
  .section-narrow { padding: var(--s-7) 0 var(--s-8); }
}

/* ============================================================
   3. Typography
   ============================================================ */
.display {
  font-family: var(--font-display);
  font-weight: 540;
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--ink);
  margin: 0 0 var(--s-5);
  font-variation-settings: "opsz" 144, "SOFT" 0;
  text-wrap: balance;
}
.display em, .display i {
  font-style: italic;
  font-weight: 440;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}

.h1 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: var(--fs-3xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--ink);
  margin: 0 0 var(--s-4);
  font-variation-settings: "opsz" 72;
  text-wrap: balance;
}
.h1 em, .h1 i {
  font-style: italic;
  font-weight: 440;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: var(--fs-2xl);
  line-height: 1.22;
  letter-spacing: -0.008em;
  margin: var(--s-8) 0 var(--s-4);
  font-variation-settings: "opsz" 36;
  text-wrap: balance;
}
.h2:first-child { margin-top: 0; }

h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-md);
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin: var(--s-6) 0 var(--s-3);
}

.lede {
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  line-height: var(--lh-lede);
  color: var(--ink);
  margin: 0 0 var(--s-6);
  max-width: 38rem;
  text-wrap: pretty;
}

p { margin: 0 0 var(--s-4); text-wrap: pretty; }
.prose p { max-width: 38rem; }
.small { font-size: var(--fs-sm); }
.meta { color: var(--ink-3); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 var(--s-4);
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  display: inline-block;
  opacity: 0.6;
}

/* ruled section marker: "01 — LABEL" editorial index */
.section-index {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.pullquote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  line-height: 1.3;
  color: var(--ink);
  margin: var(--s-6) 0 var(--s-4);
  padding: 0;
  border: 0;
  position: relative;
  text-wrap: balance;
  font-variation-settings: "opsz" 72, "SOFT" 100;
}
.pullquote::before {
  content: "\201C";
  position: absolute;
  left: -0.55em; top: -0.35em;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 3em;
  line-height: 1;
  color: var(--accent);
  opacity: 0.22;
  pointer-events: none;
  font-variation-settings: "opsz" 144;
}
@media (max-width: 40em) {
  .pullquote::before { left: -0.05em; top: -0.55em; font-size: 2.25em; }
  .pullquote { padding-top: var(--s-5); }
}

/* ============================================================
   4. Nav
   ============================================================ */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--d-fast) var(--ease),
              border-color var(--d-fast) var(--ease),
              box-shadow var(--d-fast) var(--ease);
}
.nav.scrolled {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  border-bottom-color: var(--line);
  backdrop-filter: saturate(1.2) blur(10px);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px;
  gap: var(--s-5);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.125rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4em;
}
.nav-logo::before {
  content: "";
  width: 10px; height: 10px;
  background: var(--accent);
  display: inline-block;
  transform: translateY(0.5px);
}
.nav-links {
  display: flex; align-items: center; gap: var(--s-5);
}
.nav-links a:not(.btn) {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9375rem;
  letter-spacing: 0.005em;
  position: relative;
  padding: 4px 0;
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--ink);
  transition: right var(--d-med) var(--ease);
}
.nav-links a:not(.btn):hover::after { right: 0; }

/* scroll progress rail — shown on ladder page, a delicate reading indicator */
.nav-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: transparent;
  pointer-events: none;
}
.nav-progress > span {
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  background: var(--accent);
  transition: width 60ms linear;
}

@media (max-width: 34em) {
  .nav-links { gap: var(--s-4); }
  .nav-link-secondary { display: none; }
  .nav-links a:not(.btn) {
    display: inline-flex; align-items: center;
    min-height: 44px;
  }
  .nav-links .btn-sm { min-height: 40px; }
}

/* ============================================================
   5. Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px;
  padding: 0 var(--s-5);
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.005em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--d-fast) var(--ease),
              color var(--d-fast) var(--ease),
              border-color var(--d-fast) var(--ease),
              transform var(--d-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.btn-sm { min-height: 38px; padding: 0 var(--s-4); font-size: 0.875rem; }

/* arrow affordance on primary CTAs with .btn-arrow */
.btn-arrow::after {
  content: "\2192";
  margin-left: 0.5em;
  display: inline-block;
  transition: transform var(--d-fast) var(--ease);
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ============================================================
   6. Hero + staircase
   ============================================================ */
.hero { padding: var(--s-10) 0 var(--s-9); position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--s-8);
  align-items: center;
}
@media (max-width: 64em) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .hero { padding: var(--s-8) 0 var(--s-7); }
}

.hero-copy .cta-row {
  display: flex; gap: var(--s-3); flex-wrap: wrap;
  margin-top: var(--s-6);
}
.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: var(--s-5);
}
.hero-tagline::before {
  content: "";
  width: 32px; height: 1px;
  background: var(--ink-3);
}

/* The staircase: a deliberate diagram.
   Each step has a Roman numeral, a label, a subtitle.
   A vertical hairline runs up the left edge and connects the rungs.
   On wide viewports the steps shift rightward to climb. */
.staircase {
  position: relative;
  padding: var(--s-4) 0 var(--s-4) var(--s-6);
  display: grid;
  gap: var(--s-3);
}
.staircase::before {
  content: "";
  position: absolute;
  left: var(--s-3); top: var(--s-5); bottom: var(--s-5);
  width: 1px;
  background: linear-gradient(to bottom,
    color-mix(in srgb, var(--ink) 12%, transparent),
    color-mix(in srgb, var(--ink) 30%, transparent));
}
.staircase .step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: stretch;
  min-height: 76px;
  padding: var(--s-4) var(--s-5);
  border-radius: var(--r-sm);
  color: var(--paper);
  background: var(--ink);
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 12px 24px -18px rgba(0,0,0,0.2);
  gap: var(--s-5);
  opacity: 0;
  transform: translateY(12px);
  animation: step-in var(--d-slow) var(--ease) forwards;
}
.staircase .step::before {
  /* tick mark on the left rail for each step */
  content: "";
  position: absolute;
  left: calc(-1 * var(--s-3) - 0px);
  top: 50%;
  width: var(--s-3);
  height: 1px;
  background: color-mix(in srgb, var(--ink) 28%, transparent);
}
.staircase .step-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.875rem;
  line-height: 1;
  letter-spacing: -0.02em;
  align-self: center;
  opacity: 0.85;
  font-variation-settings: "opsz" 72, "SOFT" 100;
  min-width: 1.4em;
}
.staircase .step-body {
  display: grid;
  gap: 2px;
  align-self: center;
}
.staircase .step-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: 0.005em;
  line-height: 1.2;
}
.staircase .step-sub {
  font-size: 0.875rem;
  opacity: 0.82;
  font-weight: 400;
  line-height: 1.35;
}
/* rung colors + staircase climb (wider breakpoints) */
.staircase .s1 { background: var(--rung-1); margin-right: 42%; animation-delay:  60ms; }
.staircase .s2 { background: var(--rung-2); margin-left: 8%;  margin-right: 28%; animation-delay: 200ms; }
.staircase .s3 { background: var(--rung-3); margin-left: 16%; margin-right: 14%; animation-delay: 340ms; color: var(--ink); }
.staircase .s3 .step-num { opacity: 0.7; }
.staircase .s4 { background: var(--rung-4); margin-left: 24%; animation-delay: 480ms; }

@media (max-width: 48em) {
  .staircase .s1, .staircase .s2, .staircase .s3, .staircase .s4 {
    margin-left: 0; margin-right: 0;
  }
}

@keyframes step-in {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   7. Argument grid (editorial columns, not cards)
   ============================================================ */
.argument-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  margin: var(--s-7) 0 var(--s-4);
  counter-reset: arg;
}
@media (max-width: 64em) {
  .argument-grid { grid-template-columns: 1fr; gap: var(--s-5); }
}
.argument-grid article {
  counter-increment: arg;
  padding-top: var(--s-4);
  border-top: 1px solid var(--ink);
  display: grid;
  gap: var(--s-3);
  align-content: start;
}
.argument-grid article::before {
  content: counter(arg, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.argument-grid h3 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: var(--fs-lg);
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0;
  text-wrap: balance;
  font-variation-settings: "opsz" 48;
}
.argument-grid p {
  font-size: 0.9375rem;
  color: var(--ink-2);
  line-height: 1.55;
  margin: 0;
}

/* ============================================================
   8. Ladder page
   ============================================================ */
.ladder-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--s-8);
  align-items: start;
}
@media (max-width: 64em) {
  .ladder-layout { grid-template-columns: 1fr; gap: var(--s-5); }
}
.ladder-nav {
  position: sticky; top: 96px;
  padding-left: var(--s-3);
  border-left: 1px solid var(--line);
}
@media (max-width: 64em) {
  .ladder-nav { position: static; border-left: 0; padding-left: 0; }
}
.ladder-nav .eyebrow { margin-bottom: var(--s-4); }
.ladder-nav ol.plain { display: grid; gap: var(--s-1); counter-reset: rng; }
.ladder-nav ol.plain li { counter-increment: rng; margin: 0; }
.ladder-nav a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--s-3);
  color: var(--ink-2);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: var(--s-2) 0;
  border-bottom: 1px solid transparent;
  transition: color var(--d-fast) var(--ease);
}
.ladder-nav a:hover { color: var(--ink); }
.ladder-nav a.active { color: var(--ink); }
.ladder-nav .dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 1px var(--paper), 0 0 0 2px currentColor;
  opacity: 0.8;
}
.ladder-nav .d1 { color: var(--rung-1); background: var(--rung-1); }
.ladder-nav .d2 { color: var(--rung-2); background: var(--rung-2); }
.ladder-nav .d3 { color: var(--rung-3); background: var(--rung-3); }
.ladder-nav .d4 { color: var(--rung-4); background: var(--rung-4); }

.rung-section {
  margin: var(--s-9) 0;
  padding-top: var(--s-6);
  border-top: 1px solid var(--line);
  scroll-margin-top: 104px;
  position: relative;
}
.rung-section:first-of-type { border-top: 0; padding-top: 0; margin-top: var(--s-5); }

.rung-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--s-5);
  margin-bottom: var(--s-5);
}
.rung-numeral {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 360;
  font-size: clamp(3.25rem, 7vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  align-self: start;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.rung-head .rung-title { margin: 0; }
.rung-head .rung-title h2 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: var(--fs-3xl);
  line-height: 1.05;
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--s-2);
  font-variation-settings: "opsz" 72;
}

/* rung-specific numeral colors */
.rung-section.n1 .rung-numeral { color: var(--rung-1); }
.rung-section.n2 .rung-numeral { color: var(--rung-2); }
.rung-section.n3 .rung-numeral { color: var(--rung-3); }
.rung-section.n4 .rung-numeral { color: var(--rung-4); }

.rung-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0;
  color: var(--ink-2);
  background: transparent;
  margin: 0 0 var(--s-2);
}
.rung-badge::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
  background: currentColor;
}
.rung-badge-1::before { background: var(--rung-1); }
.rung-badge-2::before { background: var(--rung-2); }
.rung-badge-3::before { background: var(--rung-3); }
.rung-badge-4::before { background: var(--rung-4); }

.example {
  font-size: 0.9375rem;
  color: var(--ink-2);
  border-left: 2px solid var(--line-2);
  padding: var(--s-1) 0 var(--s-1) var(--s-4);
  margin-top: var(--s-4);
  background: transparent;
}
.example em { color: var(--ink); font-weight: 500; font-style: normal; letter-spacing: 0.005em; }

.next-cta {
  margin-top: var(--s-8);
  padding-top: var(--s-6);
  border-top: 1px solid var(--line);
  font-size: var(--fs-md);
}
.next-cta p { margin: 0; }

/* ============================================================
   9. Pledge page
   ============================================================ */
.pledge-head {
  display: grid;
  gap: var(--s-3);
  margin-bottom: var(--s-6);
}

.pledge-lines {
  list-style: none; padding: 0;
  margin: var(--s-7) 0 var(--s-8);
  counter-reset: pledge;
  display: grid;
  gap: var(--s-5);
  border-top: 1px solid var(--line);
}
.pledge-lines li {
  counter-increment: pledge;
  font-family: var(--font-display);
  font-weight: 420;
  font-style: italic;
  font-size: clamp(1.375rem, 2.1vw, 1.75rem);
  line-height: 1.35;
  padding: var(--s-5) 0 var(--s-4);
  padding-left: 4.5rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  color: var(--ink);
  font-variation-settings: "opsz" 72, "SOFT" 100;
  text-wrap: balance;
}
.pledge-lines li::before {
  content: counter(pledge, upper-roman);
  position: absolute;
  left: 0; top: var(--s-5);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 360;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--accent);
  line-height: 1.35;
  min-width: 3rem;
  font-variation-settings: "opsz" 48, "SOFT" 100;
}

.pledge-card {
  margin: var(--s-7) 0 var(--s-5);
  padding: var(--s-7);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  position: relative;
}
.pledge-card::before {
  content: "";
  position: absolute;
  left: -1px; top: -1px; bottom: -1px;
  width: 3px;
  background: var(--accent);
  border-top-left-radius: var(--r-md);
  border-bottom-left-radius: var(--r-md);
}
.pledge-form {
  display: grid; gap: var(--s-5);
}
.pledge-form > .btn { justify-self: start; }

.field { display: grid; gap: var(--s-2); }
.field-row {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--s-4);
}
@media (max-width: 40em) { .field-row { grid-template-columns: 1fr; } }
.field label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-2);
}
.field input {
  font: inherit;
  font-size: var(--fs-base);
  padding: 0.7rem var(--s-3);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--paper-2);
  color: var(--ink);
  transition: border-color var(--d-fast) var(--ease),
              box-shadow var(--d-fast) var(--ease);
}
.field input::placeholder { color: var(--ink-3); }
.field input:hover { border-color: var(--line-2); }
.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.field select {
  font: inherit;
  font-size: var(--fs-base);
  padding: 0.7rem 2.25rem 0.7rem var(--s-3);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background-color: var(--paper-2);
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%),
                    linear-gradient(-45deg, transparent 50%, var(--ink-2) 50%);
  background-position: calc(100% - 1.1rem) 55%, calc(100% - 0.75rem) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  color: var(--ink);
  appearance: none;
  cursor: pointer;
  transition: border-color var(--d-fast) var(--ease),
              box-shadow var(--d-fast) var(--ease);
}
.field select:hover { border-color: var(--line-2); }
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.checkbox {
  display: flex; gap: var(--s-3); align-items: flex-start;
  font-size: 0.9375rem;
  color: var(--ink-2);
  cursor: pointer;
  line-height: 1.45;
}
.checkbox input { margin-top: 0.3rem; accent-color: var(--accent); }

.count-row {
  margin-top: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--ink-2);
  display: flex;
  align-items: baseline;
  gap: var(--s-2);
}
.count-value {
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: 1.125rem;
}

.pledge-card-confirm { padding-top: var(--s-6); }
.pledge-card-confirm .eyebrow { color: var(--accent); }
.pledge-card-confirm .h1 { margin-bottom: var(--s-4); }

/* Post-click committed state */
.pledge-committed {
  display: grid;
  gap: var(--s-3);
  padding: var(--s-5) var(--s-4);
  border: 1px solid var(--accent);
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--accent) 6%, var(--paper-2));
}
.pledge-committed[hidden] { display: none; }
.commit-confirmation {
  margin: 0;
  font-family: var(--font-display, var(--font-body));
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
}
.pledge-committed p { margin: 0; color: var(--ink-2); }
.share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: 0;
  padding: 0;
}
.share-actions li { margin: 0; }
.share-actions a,
.share-actions button {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.4rem var(--s-3);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--d-fast) var(--ease),
              background var(--d-fast) var(--ease);
}
.share-actions a:hover,
.share-actions button:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, var(--paper));
}
.share-actions [data-state="copied"] {
  border-color: var(--accent);
  color: var(--accent);
}

.error {
  color: color-mix(in srgb, var(--ink) 85%, #b00020);
  font-size: 0.9375rem;
}

/* ============================================================
   10. Details (FAQ)
   ============================================================ */
details {
  border-top: 1px solid var(--line);
  padding: var(--s-4) 0;
}
details:last-of-type { border-bottom: 1px solid var(--line); }
details summary {
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--ink);
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--s-4);
  padding: var(--s-1) 0;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "";
  display: inline-block;
  width: 14px; height: 14px;
  background-image:
    linear-gradient(var(--ink-2), var(--ink-2)),
    linear-gradient(var(--ink-2), var(--ink-2));
  background-size: 14px 1px, 1px 14px;
  background-position: center, center;
  background-repeat: no-repeat;
  transition: transform var(--d-med) var(--ease);
  flex: 0 0 auto;
}
details[open] summary::after {
  background-size: 14px 1px, 1px 0;
  transform: rotate(180deg);
}
details p {
  margin-top: var(--s-3);
  color: var(--ink-2);
  max-width: 38rem;
}

/* ============================================================
   11. Lists in prose
   ============================================================ */
.prose ul:not(.plain):not(.pledge-lines) {
  padding-left: var(--s-5);
  margin: var(--s-4) 0;
}
.prose ul:not(.plain):not(.pledge-lines) li {
  margin: var(--s-2) 0;
  padding-left: var(--s-1);
}
.prose ul:not(.plain):not(.pledge-lines) li::marker {
  color: var(--accent);
}

/* ============================================================
   12. Footer
   ============================================================ */
.footer {
  margin-top: var(--s-10);
  padding: var(--s-8) 0 var(--s-6);
  background: var(--paper);
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--ink-2);
  position: relative;
  overflow: hidden;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(4rem, 18vw, 14rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--ink);
  opacity: 0.06;
  margin: 0 0 var(--s-7);
  user-select: none;
  pointer-events: none;
  font-variation-settings: "opsz" 144, "SOFT" 100;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--s-6);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}
@media (max-width: 48em) { .footer-grid { grid-template-columns: 1fr; } }
.footer .eyebrow { margin-bottom: var(--s-3); color: var(--ink); }
.footer ul.plain li { margin: var(--s-2) 0; }
.footer a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--ink-2) 35%, transparent);
  transition: color var(--d-fast) var(--ease), border-color var(--d-fast) var(--ease);
}
.footer a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.footer .meta { color: var(--ink-3); border: 0; }

/* ============================================================
   13. Per-page tone adjustments
   ============================================================ */
/* Ladder page: tighter hero */
.ladder-content > .eyebrow { margin-bottom: var(--s-4); }
.ladder-content > .display { margin-bottom: var(--s-5); }

/* Pledge page confirm state animates in */
.pledge-card-confirm {
  animation: fade-up var(--d-slow) var(--ease);
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* External-link tell on .prose a[rel~="external"] */
.prose a[rel~="external"]::after {
  content: "\2197";
  font-size: 0.85em;
  margin-left: 0.15em;
  opacity: 0.75;
}