/* Art for Wellbeing — site styles
   Visual language: kolam (Tamil dot-and-line drawing) + a children's crayon set,
   laid out with the restraint of a research report.
   Convention: completed work = solid marks; work being explored = dashed marks. */

:root {
  --paper: #f5f6f2;
  --paper-2: #eaece6;
  --white: #fffffd;
  --ink: #16213b;
  --ink-soft: #4a5468;
  --ink-faint: #7a8293;
  --rule: #d3d7dc;
  --night: #1a2750;
  --night-2: #22336a;
  --on-night: #e9ecf5;
  --on-night-soft: #aab3cf;

  /* Crayon set, one per project stage */
  --c-research: #3d8bc9;
  --c-design: #2f8566;
  --c-field: #e3a21a;
  --c-evidence: #c2415b;
  --c-scale: #8a6cc4;
  --turmeric: #e3a21a;

  --serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Hanken Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;

  --t-xs: 0.8125rem;
  --t-sm: 0.9375rem;
  --t-base: 1.125rem;
  --t-md: 1.375rem;
  --t-lg: 1.875rem;
  --t-xl: clamp(2.25rem, 4vw + 1rem, 3.5rem);
  --t-statement: clamp(1.75rem, 2.6vw + 1rem, 2.75rem);
  --t-hero: clamp(3.25rem, 8vw + 0.5rem, 7.25rem);

  --gutter: clamp(1.25rem, 4vw, 3rem);
  --max: 74rem;
  --measure: 38rem;
  --rail: 11rem;

  --grain: 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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.09 0 0 0 0 0.13 0 0 0 0 0.23 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --scribble: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M2 8c18-5 34-6 52-3s36 4 64-2' fill='none' stroke='%23e3a21a' stroke-width='3.2' stroke-linecap='round'/%3E%3C/svg%3E");

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 5rem; }

body {
  margin: 0;
  background: var(--paper) var(--grain);
  color: var(--ink);
  font-family: var(--serif);
  font-size: var(--t-base);
  line-height: 1.6;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-color: var(--turmeric); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { font-weight: 500; line-height: 1.1; letter-spacing: -0.015em; margin: 0; text-wrap: balance; }
h2 { font-size: var(--t-xl); }
h3 { font-size: var(--t-md); line-height: 1.25; }
p { margin: 0 0 1em; max-width: var(--measure); text-wrap: pretty; }

.skip { position: absolute; left: -9999px; top: 0.5rem; background: var(--ink); color: var(--paper); padding: 0.5rem 1rem; font-family: var(--sans); }
.skip:focus { left: 0.5rem; z-index: 100; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

/* Stage colour hook: any element with data-stage-c gets --c */
[data-c="research"] { --c: var(--c-research); }
[data-c="design"] { --c: var(--c-design); }
[data-c="field"] { --c: var(--c-field); }
[data-c="evidence"] { --c: var(--c-evidence); }
[data-c="scale"] { --c: var(--c-scale); }

/* ---------- Text rhythm ----------
   Serif body text: 1.6 line height. Small sans text (labels, captions, metadata): 1.5.
   Headings: 1.1 (display) and 1.25 (h3). The last paragraph in any block drops its
   bottom margin so containers keep even padding. */
p:last-child { margin-bottom: 0; }
.facts, .meta, .chart-sub, .map-key, .map-note, .docs p, .principles dd, .steps p,
.activities p, .impact dt, .quotes footer, .photo figcaption, .map figcaption,
.chart-pending, .kicker, .crumb, .hero-byline, .db-label, .site-footer { line-height: 1.5; }
.facts dd { text-wrap: pretty; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 4rem; gap: 1rem; }
.brand { font-family: var(--serif); font-size: 1.25rem; text-decoration: none; display: flex; align-items: center; gap: 0.6rem; }
.brand svg { width: 1.6rem; height: 1.6rem; flex: none; }

.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.75rem; font-size: var(--t-sm); }
.nav a { text-decoration: none; color: var(--ink-soft); padding-block: 0.4rem; background: no-repeat 0 100% / 0 6px var(--scribble); transition: background-size 0.25s ease; }
.nav a:hover { color: var(--ink); background-size: 100% 6px; }
.nav a[aria-current="page"] { color: var(--ink); background-size: 100% 6px; }

.nav-toggle { display: none; font: inherit; font-size: var(--t-sm); color: var(--ink); background: var(--white); border: 1px solid var(--rule); border-radius: 999px; padding: 0.4rem 1rem; cursor: pointer; }

@media (max-width: 52rem) {
  .nav-toggle { display: inline-block; }
  .nav { position: absolute; inset: 100% 0 auto 0; background: var(--paper); border-bottom: 1px solid var(--rule); }
  .nav ul { flex-direction: column; gap: 0; padding: 0.5rem var(--gutter) 1rem; font-size: var(--t-base); }
  .nav a { display: block; padding-block: 0.75rem; border-bottom: 1px solid var(--rule); background: none; }
  .nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--turmeric); padding-left: 0.75rem; }
  .js .nav:not(.is-open) { display: none; }
}

/* ---------- Kolam drawings (generated by site.js) ---------- */
.kolam svg { width: 100%; height: auto; display: block; overflow: visible; }
.kolam .k-line { fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.kolam .k-dot { fill: var(--ink); }
.on-night .kolam .k-dot, .kolam--light .k-dot { fill: var(--on-night); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 6vw, 5rem); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero h1 { font-size: var(--t-hero); font-weight: 400; letter-spacing: -0.035em; line-height: 0.92; }
.hero-motto { font-family: var(--sans); font-size: var(--t-md); font-weight: 500; color: var(--ink-soft); margin: 1.5rem 0 2rem; display: flex; flex-wrap: wrap; gap: 0.25rem 1.1rem; max-width: none; }
.hero-motto span { display: inline-flex; align-items: center; gap: 0.45rem; }
.hero-motto span::before { content: ""; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--c); }
.hero-motto span:last-child { color: var(--ink); padding-bottom: 0.35rem; background: no-repeat 0 100% / 100% 8px var(--scribble); }
.hero-motto span:last-child::before { background: none; border: 1.5px dashed var(--c); }
.hero-lede { font-size: clamp(1.4rem, 1.2vw + 1rem, 1.75rem); line-height: 1.35; max-width: 30rem; }
.hero-byline { font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); margin-top: 1.75rem; display: flex; align-items: center; gap: 0.6rem; }
.hero-byline::before { content: ""; width: 2rem; height: 1px; background: var(--ink-soft); }

.hero-art { position: relative; }
.hero-art .kolam { width: min(100%, 34rem); margin-inline: auto; }
.hero-art .photo { position: absolute; left: -6%; bottom: -4%; width: 48%; }
.hero-art .photo.is-missing { display: none; }

@media (max-width: 52rem) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 22rem; margin: 0 auto; }
  .hero-art .photo { left: auto; right: -4%; }
}

/* ---------- Photographs: pinned like artwork on a classroom wall ---------- */
.photo { margin: 0; --tilt: -1.2deg; }
.photo:nth-of-type(even), .field article:nth-child(even) .photo, .gallery .photo:nth-child(even) { --tilt: 1deg; }
.photo-frame {
  position: relative; aspect-ratio: 4 / 3; background: var(--white);
  padding: 0.6rem; transform: rotate(var(--tilt));
  box-shadow: 0 1px 1px rgb(22 33 59 / 0.08), 0 10px 24px -8px rgb(22 33 59 / 0.25);
}
.photo-frame::after {
  content: ""; position: absolute; top: -0.7rem; left: 50%; width: 5.5rem; height: 1.5rem;
  transform: translateX(-50%) rotate(-3deg); background: rgb(227 162 26 / 0.55);
  clip-path: polygon(3% 0, 97% 4%, 100% 50%, 96% 100%, 2% 96%, 0 50%);
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.photo-frame .photo-missing {
  position: absolute; inset: 0.6rem; display: none; place-content: center; text-align: center; padding: 1.5rem;
  font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-faint);
  background:
    radial-gradient(circle, rgb(22 33 59 / 0.18) 1.2px, transparent 1.6px) 0 0 / 22px 22px,
    var(--paper-2);
}
.photo.is-missing img { display: none; }
.photo.is-missing .photo-missing { display: grid; }
.photo figcaption { font-family: var(--sans); font-size: var(--t-xs); color: var(--ink-soft); margin-top: 1rem; }
.photo--tall .photo-frame { aspect-ratio: 4 / 5; }

/* ---------- Impact band ---------- */
.band { position: relative; padding-block: clamp(3rem, 6vw, 5rem); }
.on-night { background: var(--night) var(--grain); color: var(--on-night); }
.on-night a { color: var(--on-night); }
.on-night p { color: var(--on-night-soft); }
.on-night h2, .on-night h3 { color: #fff; }
.tint { background: #eaf0f6 var(--grain); }

.impact dl { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 3vw, 2.5rem); margin: 0; }
.impact div { display: flex; flex-direction: column-reverse; justify-content: flex-end; }
.impact dd { margin: 0 0 0.75rem; font-size: clamp(3rem, 6vw, 5rem); line-height: 0.9; letter-spacing: -0.03em; color: #fff; font-variant-numeric: lining-nums; }
.impact dd::after { content: ""; display: block; width: 3.25rem; height: 5px; border-radius: 3px; background: var(--c); margin-top: 0.9rem; }
.impact dt { font-family: var(--sans); font-size: var(--t-sm); color: var(--on-night-soft); line-height: 1.4; max-width: 13rem; }
.impact-note { font-size: var(--t-md); line-height: 1.4; margin: clamp(2rem, 4vw, 3rem) 0 0; max-width: 36rem; color: var(--on-night) !important; }
@media (max-width: 52rem) { .impact dl { grid-template-columns: 1fr 1fr; row-gap: 2rem; } }

/* ---------- Story layout with stage rail (home) ---------- */
.story { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); }
.rail ol { position: sticky; top: 6.5rem; list-style: none; margin: clamp(3rem, 7vw, 5.5rem) 0 0; padding: 0; font-family: var(--sans); font-size: var(--t-sm); }
.rail li { position: relative; padding: 0 0 1.5rem 1.7rem; color: var(--ink-faint); }
.rail li::before { content: ""; position: absolute; left: 0.37rem; top: 1rem; bottom: -0.1rem; width: 2px; background: var(--rule); }
.rail li:last-child::before { display: none; }
.rail li:nth-last-child(2)::before { background: repeating-linear-gradient(var(--rule) 0 4px, transparent 4px 8px); }
.rail li::after { content: ""; position: absolute; left: 0; top: 0.3rem; width: 0.85rem; height: 0.85rem; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 3px var(--paper); transition: transform 0.2s ease; }
.rail li.is-future::after { background: var(--paper); border: 2px dashed var(--c); }
.rail a { text-decoration: none; }
.rail li.is-active { color: var(--ink); font-weight: 600; }
.rail li.is-active::after { transform: scale(1.3); }
.rail small { display: block; font-weight: 400; font-size: var(--t-xs); color: var(--ink-faint); }
@media (max-width: 60rem) { .story { grid-template-columns: 1fr; } .rail { display: none; } }

/* ---------- Sections ---------- */
.section { padding-block: clamp(3rem, 6vw, 4.75rem); border-top: 1px solid var(--rule); }
.story .section:first-child { border-top: 0; }
.section-head { margin-bottom: 2rem; max-width: 46rem; }
.section-head h2 + p { margin-top: 1rem; font-size: var(--t-md); line-height: 1.45; color: var(--ink-soft); }
.on-night .section-head h2 + p { color: var(--on-night-soft); }

.kicker { font-family: var(--sans); font-size: var(--t-sm); font-weight: 600; color: var(--ink-soft); margin-bottom: 0.9rem; display: inline-flex; align-items: center; gap: 0.5rem; }
.kicker::before { content: ""; width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--c, var(--ink-faint)); }
.kicker.is-future::before { background: none; border: 2px dashed var(--c); }
.on-night .kicker { color: var(--on-night-soft); }

.statement { font-size: var(--t-statement); line-height: 1.22; letter-spacing: -0.01em; max-width: 52rem; margin: 0 0 2.5rem; color: var(--ink); text-wrap: balance; }
.cols { columns: 2 20rem; column-gap: clamp(2rem, 5vw, 4rem); }
.cols p { break-inside: avoid; }

/* Baseline alignment: a heading and the text beside it start on the same line */
.two-col { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: baseline; }
@media (max-width: 52rem) { .two-col { grid-template-columns: 1fr; } }

.links { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-top: 1.75rem; font-family: var(--sans); font-size: var(--t-sm); }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; text-decoration: none; font-family: var(--sans); font-size: var(--t-sm); line-height: 1.25; font-weight: 600; padding: 0.75rem 1.25rem; border: 1.5px solid var(--ink); border-radius: 999px; color: var(--ink); background: var(--ink); color: var(--paper); transition: background-color 0.15s ease, color 0.15s ease; }
.btn:hover { background: transparent; color: var(--ink); }
.btn--quiet { background: var(--white); color: var(--ink); border-color: var(--rule); font-weight: 500; }
.btn--quiet:hover { border-color: var(--ink); }
.on-night .btn { background: var(--on-night); color: var(--night); border-color: var(--on-night); }
.on-night .btn:hover { background: transparent; color: var(--on-night); }
.btn.is-unavailable, .btn.is-unavailable:hover { border-style: dashed; border-color: var(--rule); color: var(--ink-faint); background: transparent; cursor: default; font-weight: 500; }
.more { font-family: var(--sans); font-size: var(--t-sm); font-weight: 600; margin-top: 1.5rem; }
.more a { text-decoration: none; padding-bottom: 0.3rem; background: no-repeat 0 100% / 100% 6px var(--scribble); }

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 5rem 2rem minmax(0, 1fr); column-gap: 1rem; }
.timeline .when { font-family: var(--sans); font-size: var(--t-sm); font-weight: 600; color: var(--ink-soft); padding-top: 0.35rem; text-align: right; font-variant-numeric: tabular-nums; }
.timeline .node { position: relative; }
.timeline .node::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-50%); background: var(--rule); }
.timeline li:first-child .node::before { top: 0.8rem; }
.timeline li:last-child .node::before { bottom: auto; height: 0.8rem; }
.timeline .node::after { content: ""; position: absolute; left: 50%; top: 0.35rem; width: 1.15rem; height: 1.15rem; transform: translateX(-50%); border-radius: 50%; background: var(--c, var(--ink)); box-shadow: 0 0 0 5px var(--paper); }
.timeline .body { padding-bottom: 2.25rem; }
.timeline h3 { font-size: var(--t-md); margin-bottom: 0.3rem; }
.timeline p { color: var(--ink-soft); margin: 0; }
.timeline li.is-future .node::before { background: repeating-linear-gradient(var(--rule) 0 5px, transparent 5px 10px); }
.timeline li.is-future .node::after { background: var(--paper); border: 2px dashed var(--c); }
.timeline li.is-future h3 { font-style: italic; }
.timeline li:has(+ li.is-future) .node::before { background: linear-gradient(var(--rule) 50%, transparent 50%), repeating-linear-gradient(var(--rule) 0 5px, transparent 5px 10px); }
@media (max-width: 36rem) {
  .timeline li { grid-template-columns: 1.5rem minmax(0, 1fr); }
  .timeline .when { grid-column: 2; grid-row: 1; text-align: left; padding: 0; }
  .timeline .node { grid-column: 1; grid-row: 1 / span 2; }
  .timeline .body { grid-column: 2; }
}

/* ---------- Principles & activities ---------- */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 2.5vw, 2rem); margin: 0 0 3.5rem; }
.principles div { border-top: 3px solid var(--ink); padding-top: 1rem; }
.principles dt { font-size: var(--t-lg); margin-bottom: 0.4rem; }
.principles dd { margin: 0; font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); line-height: 1.5; }
@media (max-width: 52rem) { .principles { grid-template-columns: 1fr 1fr; row-gap: 1.75rem; } }

.activities { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; counter-reset: act; }
.activities li {
  --c: var(--c-research);
  counter-increment: act; position: relative; background: var(--white); border-radius: 4px;
  padding: 1.25rem 1.1rem 1.4rem; box-shadow: 0 1px 0 var(--rule), inset 0 4px 0 var(--c);
}
.activities li:nth-child(2) { --c: var(--c-design); }
.activities li:nth-child(3) { --c: var(--c-field); }
.activities li:nth-child(4) { --c: var(--c-evidence); }
.activities li:nth-child(5) { --c: var(--c-scale); }
.activities li::before {
  content: counter(act); display: grid; place-items: center; width: 2.4rem; height: 2.4rem; margin-bottom: 1rem;
  border-radius: 50%; border: 2px solid var(--c); color: var(--ink); font-size: var(--t-md); line-height: 1;
}
.activities h3 { font-size: var(--t-base); margin-bottom: 0.35rem; }
.activities p { margin: 0; color: var(--ink-soft); font-family: var(--sans); font-size: var(--t-sm); line-height: 1.5; }
/* Below wide desktop, tiles become compact rows: number beside the text */
@media (max-width: 80rem) {
  .activities { grid-template-columns: 1fr; gap: 0.6rem; }
  .activities li { display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); column-gap: 1rem; align-items: start; padding: 1rem 1.25rem; box-shadow: 0 1px 0 var(--rule), inset 4px 0 0 var(--c); }
  .activities li::before { grid-row: 1 / span 2; margin: 0; }
}

.tbc { color: var(--ink-faint); font-style: italic; }
.on-night .tbc { color: var(--on-night-soft); }

/* ---------- Field sites ---------- */
.field { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); }
.field article h3 { font-size: var(--t-lg); margin: 1.75rem 0 0.25rem; }
.field .meta { font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); margin-bottom: 1rem; }
.facts { margin: 1.25rem 0 0; display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1.25rem; font-family: var(--sans); font-size: var(--t-sm); }
.facts dt { color: var(--ink-soft); }
.facts dd { margin: 0; }
.facts--card { background: var(--white); padding: 1.5rem; border-radius: 4px; box-shadow: 0 1px 0 var(--rule), inset 0 4px 0 var(--c, var(--ink)); margin-top: 0; }
@media (max-width: 52rem) { .field { grid-template-columns: 1fr; } }

/* ---------- Evidence charts ---------- */
.charts { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 64rem) { .charts { grid-template-columns: repeat(3, 1fr); } }
.chart { margin: 0; padding: 1.5rem; background: var(--white); border-radius: 4px; box-shadow: 0 1px 0 var(--rule), inset 0 4px 0 var(--c-evidence); }
.chart h3 { font-size: var(--t-md); margin-bottom: 0.25rem; }
.chart .chart-sub { font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); margin-bottom: 1rem; }
.chart figcaption { font-size: var(--t-base); margin-top: 0.75rem; }
.chart-legend { display: flex; gap: 1.25rem; font-family: var(--sans); font-size: var(--t-xs); color: var(--ink-soft); margin-bottom: 0.5rem; }
.chart-legend span::before { content: ""; display: inline-block; width: 0.7rem; height: 0.7rem; border-radius: 50%; margin-right: 0.4rem; vertical-align: -0.05rem; }
.chart-legend .pre::before { background: var(--white); border: 2px solid var(--ink-faint); }
.chart-legend .post::before { background: var(--ink); }
.db-row { padding-block: 0.6rem; }
.db-label { font-family: var(--sans); font-size: var(--t-sm); margin-bottom: 0.4rem; }
.db-vals { color: var(--ink-faint); font-variant-numeric: tabular-nums; white-space: nowrap; }
.db-track { position: relative; height: 1rem; margin-inline: 0.5rem; background: linear-gradient(var(--rule), var(--rule)) 0 50% / 100% 1px no-repeat; }
.db-line { position: absolute; top: 50%; height: 4px; border-radius: 2px; transform: translateY(-50%); background: var(--c-evidence); }
.db-dot { position: absolute; top: 50%; width: 0.95rem; height: 0.95rem; border-radius: 50%; transform: translate(-50%, -50%); }
.db-dot--pre { background: var(--white); border: 2px solid var(--ink-faint); }
.db-dot--post { background: var(--ink); }
.db-axis { position: relative; height: 1.5rem; margin: 0.5rem 0.5rem 0; border-top: 1px solid var(--ink-faint); font-family: var(--sans); font-size: var(--t-xs); color: var(--ink-faint); }
.db-axis span { position: absolute; top: 0.3rem; transform: translateX(-50%); }
.chart-pending {
  display: flex; align-items: flex-end; min-height: 9rem; padding: 1.25rem; border-radius: 3px;
  font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-faint);
  background: radial-gradient(circle, rgb(22 33 59 / 0.16) 1.2px, transparent 1.6px) 0 0 / 18px 18px, var(--paper);
}

.callout { position: relative; padding: 0.25rem 0 0.25rem 1.5rem; margin: 2.5rem 0; font-size: var(--t-md); line-height: 1.45; max-width: 42rem; border-left: 4px solid var(--c-evidence); }

/* ---------- Scaling ---------- */
.flow { list-style: none; margin: 0 0 3rem; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem 0; font-family: var(--sans); font-size: var(--t-sm); font-weight: 600; }
.flow li { display: flex; align-items: center; }
.flow li span { padding: 0.55rem 1rem; border: 1.5px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--paper); }
.flow li.is-future span { background: var(--white); border-style: dashed; border-color: var(--c-scale); color: var(--ink-soft); font-weight: 500; }
.flow li + li::before { content: ""; width: 1.25rem; height: 2px; background: var(--ink); }
.flow li.is-future::before { background: repeating-linear-gradient(90deg, var(--c-scale) 0 3px, transparent 3px 6px) !important; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1rem, 2.5vw, 2rem); counter-reset: step; }
.steps li { counter-increment: step; border-top: 2px dashed currentColor; padding-top: 1.1rem; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 50%; border: 2px dashed var(--c-scale); font-size: var(--t-md); line-height: 1; margin-bottom: 0.9rem; }
.on-night .steps li { border-top-color: rgb(233 236 245 / 0.35); }
.on-night .steps li::before { border-color: var(--turmeric); color: #fff; }
.steps h3 { font-size: var(--t-md); margin-bottom: 0.4rem; }
.steps p { font-family: var(--sans); font-size: var(--t-sm); margin: 0; line-height: 1.55; }
@media (max-width: 52rem) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 30rem) { .steps { grid-template-columns: 1fr; } }

.map-wrap { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.map { margin: 0; background: var(--white); border-radius: 4px; padding: 1.25rem; box-shadow: 0 1px 0 var(--rule); }
.map svg { width: 100%; height: auto; display: block; font-family: var(--sans); }
.map figcaption { font-family: var(--sans); font-size: var(--t-xs); color: var(--ink-soft); margin-top: 0.75rem; }
.map-key { font-family: var(--sans); font-size: var(--t-sm); }
.map-key h3 { font-family: var(--serif); font-size: var(--t-md); margin: 0 0 0.6rem; display: flex; align-items: center; gap: 0.6rem; }
.map-key ul { margin: 0 0 1.75rem; padding-left: 1.6rem; color: var(--ink-soft); }
.map-key li + li { margin-top: 0.3rem; }
.map-key p { margin-bottom: 0.6rem; }
.key-dot { width: 0.9rem; height: 0.9rem; border-radius: 50%; flex: none; }
.key-dot--tested { background: var(--ink); }
.key-dot--potential { border: 2px dashed var(--turmeric); background: var(--white); }
.key-dot--network { border: 1.5px solid var(--ink-faint); background: var(--paper-2); border-radius: 2px; }
.map-note { font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); border-top: 1px solid var(--rule); padding-top: 1rem; }
@media (max-width: 52rem) { .map-wrap { grid-template-columns: 1fr; } }

/* ---------- Quotes ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 3vw, 2rem); }
.quotes > * { margin: 0; background: var(--white); padding: 1.75rem 1.5rem; border-radius: 4px; box-shadow: 0 1px 0 var(--rule); }
.quotes .source-label { font-family: var(--sans); font-size: var(--t-sm); font-weight: 600; color: var(--ink-soft); margin-bottom: 0.5rem; }
.quotes blockquote::before { content: "\201C"; display: block; font-size: 4.5rem; line-height: 0.8; height: 2.4rem; color: var(--c-evidence); }
.quotes p.q { font-size: var(--t-md); line-height: 1.4; }
.quotes footer { font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); }
@media (max-width: 52rem) { .quotes { grid-template-columns: 1fr; } }

/* ---------- Lists & resources ---------- */
.plain-list { margin: 0; padding: 0; list-style: none; max-width: var(--measure); counter-reset: n; }
.plain-list li { position: relative; padding: 0.8rem 0 0.8rem 2.25rem; border-bottom: 1px solid var(--rule); }
.plain-list li::before { content: ""; position: absolute; left: 0.2rem; top: 1.2rem; width: 0.85rem; height: 0.85rem; border-radius: 50%; border: 2px dashed var(--c-scale); }

.docs { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.docs li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: center; padding: 1.25rem 1.5rem; background: var(--white); border-radius: 4px; box-shadow: 0 1px 0 var(--rule), inset 4px 0 0 var(--c, var(--ink)); }
.docs h3 { font-size: var(--t-md); margin-bottom: 0.15rem; }
.docs p { margin: 0; font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); }
@media (max-width: 36rem) { .docs li { grid-template-columns: 1fr; } .docs .btn { justify-self: start; } }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem 1.5rem; }
@media (max-width: 52rem) { .gallery { grid-template-columns: 1fr 1fr; } }

/* ---------- Page heads (inner pages) ---------- */
.page-head { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--rule); }
.page-head .crumb { font-family: var(--sans); font-size: var(--t-sm); color: var(--ink-soft); margin-bottom: 1rem; }
.page-head h1 { font-size: var(--t-hero); font-weight: 400; letter-spacing: -0.035em; line-height: 0.95; }
.page-head p { margin-top: 1.25rem; font-size: var(--t-md); line-height: 1.45; color: var(--ink-soft); max-width: 40rem; }
.page-head .kolam { width: clamp(7rem, 16vw, 12rem); }
@media (max-width: 40rem) { .page-head { grid-template-columns: 1fr; } .page-head .kolam { display: none; } }

/* Subsection headings sit closer to their own text than to the text above */
.prose h2 { font-size: var(--t-lg); margin: 2.75rem 0 0.75rem; }
.page-head + .section, .band + .wrap > .section:first-child { border-top: 0; }
.page-head--plain { border-bottom: 0; }
.facts--ruled { margin-top: 0; border-top: 1px solid var(--ink); padding-top: 1.25rem; }
.two-col .links:first-child { margin-top: 0; }
.band .steps, .band .steps + .links { margin-top: 2.5rem; }
.field + .more { margin-top: 2.5rem; }
.prose--sections h2 { font-size: var(--t-xl); margin: 0 0 1.25rem; }
.prose h2:first-child { margin-top: 0; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 0; padding-block: 3.5rem 3rem; font-family: var(--sans); font-size: var(--t-sm); }
.site-footer .wrap { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 2rem; align-items: center; }
.site-footer .kolam { width: 4.5rem; }
.site-footer .foot-title { font-family: var(--serif); font-size: var(--t-md); color: #fff; margin: 0 0 0.2rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.site-footer a { text-decoration: none; color: var(--on-night-soft); }
.site-footer a:hover { color: #fff; }
.site-footer p { margin: 0; }
@media (max-width: 52rem) { .site-footer .wrap { grid-template-columns: 1fr; } }
main + .site-footer { margin-top: clamp(3rem, 6vw, 5rem); }
main:has(> .band:last-child) + .site-footer { margin-top: 0; }

@media print {
  .site-header, .rail, .nav-toggle, .hero-art { display: none; }
  .story { grid-template-columns: 1fr; }
  body, .on-night, .tint { background: #fff; color: #000; }
}

/* ---------- Responsive refinements ---------- */

/* Tablet and below: single-column stacks need tighter joins */
@media (max-width: 52rem) {
  .two-col { gap: 1.25rem; }
  .two-col > .section-head, .two-col > div > .section-head:only-child { margin-bottom: 0; }
  .section-head { margin-bottom: 1.75rem; }
  .map { padding: 0.75rem; }
  .charts { gap: 1rem; }
}

/* Phones */
@media (max-width: 36rem) {
  :root { --t-md: 1.25rem; --t-lg: 1.625rem; }
  .section { padding-block: 3rem; }
  .band { padding-block: 2.75rem; }
  .hero { padding-block: 1.5rem 2.75rem; }
  .hero-art { max-width: 15rem; }
  .hero-motto { margin: 1.1rem 0 1.5rem; font-size: 1.125rem; }
  .statement { margin-bottom: 1.75rem; }
  .page-head { padding-block: 2rem 1.75rem; }
  .page-head p { margin-top: 1rem; }

  .activities li { padding: 1rem; }

  /* Scaling model reads top-to-bottom with vertical connectors */
  .flow { flex-direction: column; align-items: flex-start; gap: 0; }
  .flow li { flex-direction: column; align-items: flex-start; }
  .flow li + li::before { width: 2px; height: 0.9rem; margin-left: 1.4rem; }
  .flow li.is-future::before { background: repeating-linear-gradient(var(--c-scale) 0 3px, transparent 3px 6px) !important; }

  .chart { padding: 1.1rem; }
  .chart-pending { min-height: 6rem; }
  .quotes > * { padding: 1.4rem 1.2rem; }
  .docs li { padding: 1.1rem 1.2rem; }
  .facts--card { padding: 1.2rem; }
  .gallery { grid-template-columns: 1fr; gap: 2rem; }
  .field article h3 { margin-top: 1.4rem; }

  .site-footer { padding-block: 2.5rem; }
  .site-footer ul { gap: 0.25rem 1.25rem; }
  .site-footer a { display: inline-block; padding-block: 0.4rem; }
  .btn { padding: 0.8rem 1.2rem; }
}

/* Very narrow phones (320px) */
@media (max-width: 21rem) {
  .impact dl { column-gap: 1rem; }
  .principles { grid-template-columns: 1fr; }
  .brand { font-size: 1.1rem; }
}

/* Rail + three charts need real width */
@media (min-width: 64rem) and (max-width: 80rem) { .story .charts { grid-template-columns: 1fr; } }