/* Abscissa website. The ledger, inverted: deep green ink, bone paper, vermilion stamp. */

@font-face { font-family: "Fraunces"; src: url("/fonts/fraunces-600-normal.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("/fonts/fraunces-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("/fonts/instrument-sans-variable.woff2") format("woff2"); font-weight: 400 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Courier Prime"; src: url("/fonts/courier-prime-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Courier Prime"; src: url("/fonts/courier-prime-700-normal.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces Fallback"; src: local("Georgia"); size-adjust: 96%; ascent-override: 90%; descent-override: 24%; }
@font-face { font-family: "Instrument Fallback"; src: local("Arial"); size-adjust: 97%; }

:root {
  --green-950: #071c19; --green-900: #0c2b26; --green-850: #103630; --green-800: #15423a; --green-700: #1d5548;
  --paper: #f3efe4; --paper-2: #e9e3d3; --paper-3: #ddd5c0; --paper-line: #cfc6ad;
  --ink: #14130f; --ink-2: #3a3830; --ink-muted: #6b665a;
  --sage: #a9c8bb; --sage-2: #7ea597;
  --vermilion: #e24b2e; --vermilion-deep: #b6371f; --vermilion-soft: #f7d8cf;
  /* Small-text accents that pass WCAG AA: ink shade on paper (5.8:1), light shade on green (5.6:1). */
  --vermilion-ink: #a8321c; --vermilion-light: #f27a5e;
  --hair-dark: rgba(243,239,228,.14); --hair-dark-2: rgba(243,239,228,.07);
  --display: "Fraunces", "Fraunces Fallback", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", "Instrument Fallback", "Helvetica Neue", Arial, sans-serif;
  --mono: "Courier Prime", "Courier New", Courier, monospace;
  --max: 1160px; --gutter: 28px;
  --ease: cubic-bezier(.2,.7,.2,1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--green-900); color: var(--paper); font: 17px/1.55 var(--sans); font-optical-sizing: auto; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-family: var(--display); font-size: clamp(40px, 6.2vw, 76px); line-height: 1.0; letter-spacing: -0.025em; }
h2 { font-family: var(--display); font-size: clamp(30px, 3.6vw, 46px); line-height: 1.08; letter-spacing: -0.02em; }
h3 { font-family: var(--display); font-size: 24px; line-height: 1.2; }
h4 { font-size: 17px; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: var(--vermilion); transition: color 160ms var(--ease), text-decoration-color 160ms var(--ease); }
a:hover { color: var(--vermilion-light); }
strong { font-weight: 600; }
ul, ol { padding-left: 1.2em; }
li { margin-bottom: .4em; }
.caption { font-size: 13px; line-height: 1.45; color: var(--sage-2); font-family: var(--mono); }
.lead { font-size: 21px; line-height: 1.45; font-family: var(--display); font-style: italic; font-weight: 400; }
.muted { color: var(--sage); }
.num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.measure { max-width: 36em; }
.measure-narrow { max-width: 58ch; }
/* On a .wrap the measure applies to its children, so long-form pages keep the shared left edge. */
.wrap.measure, .wrap.measure-narrow { max-width: var(--max); }
.wrap.measure > * { max-width: 36em; }
.wrap.measure-narrow > * { max-width: 58ch; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--vermilion-light); margin-bottom: 20px; line-height: 1.4; margin-top: 0; }
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }

:focus-visible { outline: 3px solid var(--vermilion); outline-offset: 3px; }
.skip { position: absolute; left: 8px; top: -60px; background: var(--vermilion); color: var(--ink); padding: 8px 12px; z-index: 50; text-decoration: none; font-weight: 600; }
.skip:focus { top: 8px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); position: relative; }
section.block { padding: 96px 0; position: relative; }
main > section:first-child { padding-top: 72px; }

/* Paper sections: bone ledger paper with faint rules and the red margin line */
section.paper { background: var(--paper); color: var(--ink); position: relative; }
section.paper::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(to bottom, transparent 0 35px, rgba(20,19,15,.055) 35px 36px); mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent); }
section.paper::after { content: ""; position: absolute; top: 0; bottom: 0; left: max(12px, calc((100vw - var(--max)) / 2 - 24px)); width: 2px; background: var(--vermilion); opacity: .45; pointer-events: none; }
section.paper .caption { color: var(--ink-muted); }
section.paper .muted { color: var(--ink-muted); }
section.paper a { text-decoration-color: var(--vermilion); }
section.paper a:hover { color: var(--vermilion-ink); }
section.paper .eyebrow, .cta-band .eyebrow, .notice .eyebrow, .form-card .eyebrow, .card .eyebrow { color: var(--vermilion-ink); }

/* Dark atmosphere behind the hero */
.hero-section { overflow: hidden; }
.hero-section::before { content: ""; position: absolute; inset: 0; pointer-events: none; background:
  radial-gradient(ellipse 60% 50% at 78% 22%, rgba(29,85,72,.75) 0%, transparent 60%),
  radial-gradient(ellipse 50% 45% at 12% 90%, rgba(21,66,58,.7) 0%, transparent 55%),
  repeating-linear-gradient(to bottom, transparent 0 35px, rgba(243,239,228,.045) 35px 36px); }
.hero-section::after { content: ""; position: absolute; top: 0; bottom: 0; left: max(12px, calc((100vw - var(--max)) / 2 - 24px)); width: 2px; background: var(--vermilion); opacity: .6; pointer-events: none; }
.hero-section .wrap { z-index: 1; }

/* Nav */
.site-header { border-bottom: 1px solid var(--hair-dark); background: var(--green-900); position: sticky; top: 0; z-index: 40; }
.nav { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.wordmark { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; color: var(--paper); }
.wordmark .rule { display: block; width: 3px; height: 38px; background: var(--vermilion); }
.wordmark .name { font-family: var(--display); font-weight: 600; font-size: 24px; line-height: 1; letter-spacing: -0.02em; }
.wordmark .desc { display: block; font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--sage-2); margin-top: 5px; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0 0 0 auto; padding: 0; }
.nav-links a { color: var(--paper); text-decoration: none; padding: 10px 12px; font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; border-bottom: 2px solid transparent; white-space: nowrap; transition: color 160ms var(--ease), border-color 160ms var(--ease); }
.nav-links a:hover { color: var(--vermilion-light); }
.nav-links a[aria-current="page"] { border-bottom-color: var(--vermilion); }
.nav-links .signin a { color: var(--sage); }
.nav-links .cta { margin-left: 12px; }
.nav-links .cta a { border: 0; text-transform: none; letter-spacing: 0; }
.nav-toggle { display: none; }
.nav-links .cta a.btn-primary:hover { color: var(--ink); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 20px; border-radius: 3px; font: inherit; font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer; border: 1px solid transparent; position: relative; transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease); }
.btn-primary { background: var(--vermilion); color: var(--ink); border-color: var(--vermilion); }
.btn-primary:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: transparent; color: var(--paper); border-color: var(--paper); }
.btn-secondary:hover { background: var(--paper); color: var(--ink); }
section.paper .btn-secondary { color: var(--ink); border-color: var(--ink); }
section.paper .btn-secondary:hover { background: var(--ink); color: var(--paper); }
.btn[disabled], .btn[aria-busy="true"] { opacity: .5; cursor: not-allowed; }
.btn-lg { height: 52px; padding: 0 26px; font-size: 16px; }
.nav-demo { display: none; }
.cta-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 32px; }
.cta-row .link { font-weight: 500; }

/* Hero */
.hero { display: grid; grid-template-columns: 7fr 5fr; gap: 56px; align-items: center; }
.hero h1 { margin-bottom: 28px; }
.hero h1 em { font-style: italic; font-weight: 400; color: var(--sage); }
.hero .sub { font-size: 20px; line-height: 1.5; max-width: 50ch; color: var(--paper); }
.hero-kicker { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--sage-2); margin-bottom: 28px; display: flex; gap: 14px; align-items: center; }
.hero-kicker::before { content: ""; width: 44px; height: 1px; background: var(--vermilion); }

/* Page-load reveal: one orchestrated stagger */
.reveal { animation: rise 800ms var(--ease) both; animation-delay: calc(var(--i, 0) * 110ms); }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } }

/* Universe figure */
.universe { margin: 0; position: relative; }
.universe svg { display: block; width: 100%; max-width: 480px; height: auto; margin: 0 auto; overflow: visible; }
.universe .ring { fill: none; stroke: var(--paper); stroke-opacity: .16; stroke-width: 1.2; transform-origin: 260px 260px; animation: ring-in 1100ms var(--ease) both; }
.universe .ring:nth-child(1) { animation-delay: 200ms; } .universe .ring:nth-child(2) { animation-delay: 320ms; } .universe .ring:nth-child(3) { animation-delay: 440ms; } .universe .ring:nth-child(4) { animation-delay: 560ms; }
@keyframes ring-in { from { transform: scale(.55); opacity: 0; } }
.universe .core { fill: var(--vermilion); }
.universe .core-text { fill: var(--ink); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.universe .pill { fill: var(--paper); }
.universe .pill-text { fill: var(--ink); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.universe .label { animation: fade-in 700ms var(--ease) both; animation-delay: 900ms; }
.universe .label:nth-of-type(2) { animation-delay: 1000ms; } .universe .label:nth-of-type(3) { animation-delay: 1100ms; } .universe .label:nth-of-type(4) { animation-delay: 1200ms; }
.universe .dot { animation: fade-in 500ms var(--ease) both; animation-delay: 1250ms; }
.universe .dot-peer { fill: var(--sage); } .universe .dot-customer { fill: var(--paper); } .universe .dot-assess { fill: var(--vermilion); } .universe .dot-reg { fill: var(--sage-2); }
@keyframes fade-in { from { opacity: 0; } }
.universe figcaption { text-align: center; margin-top: 16px; }
.universe-legend { display: none; list-style: none; padding: 0; margin: 16px 0 0; gap: 8px; flex-wrap: wrap; justify-content: center; }
.universe-legend li { margin: 0; display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--paper); padding: 4px 6px; }
.universe-legend .key { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.key-core { background: var(--vermilion); outline: 2px solid var(--paper); outline-offset: 1px; } .key-peer { background: var(--sage); } .key-customer { background: var(--paper); } .key-assess { background: var(--vermilion); } .key-reg { background: var(--sage-2); }

/* Ledger list: numbered rows on paper */
.ledger { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--paper-line); }
.ledger li { display: grid; grid-template-columns: 96px 1fr 1.2fr; gap: 32px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--paper-line); margin: 0; }
.ledger .n { font-family: var(--display); font-weight: 600; font-size: 44px; line-height: 1; color: var(--vermilion); letter-spacing: -0.02em; }
.ledger h3 { font-family: var(--display); font-style: italic; font-weight: 400; font-size: 27px; line-height: 1.2; margin: 0; }
.ledger p { margin: 0; color: var(--ink-2); }

/* Index cards */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { background: var(--paper); color: var(--ink); padding: 28px 28px 24px; position: relative; box-shadow: 0 1px 0 rgba(20,19,15,.25), 0 14px 30px -18px rgba(0,0,0,.6); transition: transform 220ms var(--ease), box-shadow 220ms var(--ease); }
.card h2, .card h3 { font-family: var(--display); font-size: 22px; line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px solid rgba(226,75,46,.5); }
.card p { margin-bottom: 8px; color: var(--ink-2); }
.card p:last-child { margin-bottom: 0; }
.grid-3 .card:nth-child(odd), .grid-2 .card:nth-child(odd) { transform: rotate(-0.5deg); }
.grid-3 .card:nth-child(even), .grid-2 .card:nth-child(even) { transform: rotate(0.45deg); }
a.card { display: block; text-decoration: none; }
a.card:hover { transform: rotate(0) translateY(-4px); box-shadow: 0 1px 0 rgba(20,19,15,.25), 0 24px 40px -20px rgba(0,0,0,.7); color: var(--ink); }
a.card::after { content: "\2192"; position: absolute; right: 22px; bottom: 18px; font-family: var(--mono); font-size: 18px; color: var(--vermilion); }
section.paper .card { box-shadow: 0 1px 0 rgba(20,19,15,.15), 0 10px 24px -16px rgba(20,19,15,.5); background: #fbf9f2; }

/* Question and answer ledger */
.qa { display: grid; grid-template-columns: 1fr 1fr; gap: 0 56px; border-top: 1px solid var(--hair-dark); }
.qa div { padding: 26px 0; border-bottom: 1px solid var(--hair-dark); }
.qa h3 { font-family: var(--display); font-style: italic; font-weight: 400; font-size: 26px; margin: 0 0 8px; color: var(--paper); }
.qa p { margin: 0; color: var(--sage); }

/* Stamps */
.stamps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; align-items: start; }
.stamp { position: relative; padding-left: 132px; min-height: 120px; }
.stamp .seal { position: absolute; left: 0; top: 0; width: 112px; height: 112px; border: 2px solid var(--vermilion); border-radius: 50%; display: grid; place-items: center; text-align: center; font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--vermilion-light); transform: rotate(-8deg); padding: 10px; box-shadow: inset 0 0 0 4px var(--green-900), inset 0 0 0 5px var(--vermilion); }
.stamp p { margin: 0; color: var(--paper); }
.stamp h3 { font-size: 22px; margin-bottom: 8px; }

/* Stat strip */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--hair-dark); border-bottom: 1px solid var(--hair-dark); }
.stats > div { padding: 36px 32px 32px 0; border-right: 1px solid var(--hair-dark); }
.stats > div:last-child { border-right: 0; }
.stats > div + div { padding-left: 32px; }
.stats .value { display: block; font-family: var(--mono); font-weight: 700; font-size: clamp(34px, 3.8vw, 52px); line-height: 1; color: var(--paper); letter-spacing: -0.02em; }
.stats .def { display: block; margin-top: 14px; color: var(--sage); }
.stats .asof { display: block; margin-top: 10px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--sage-2); }

/* CTA band: paper, inverted */
.cta-band { background: var(--paper); color: var(--ink); padding: 96px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; right: -120px; top: -160px; width: 520px; height: 520px; border-radius: 50%; border: 1px solid var(--paper-line); box-shadow: 0 0 0 60px transparent, inset 0 0 0 60px rgba(207,198,173,.35); pointer-events: none; }
.cta-band h2 { max-width: 20ch; text-wrap: balance; }
main:has(> section.paper:last-child) + .cta-band { border-top: 1px solid var(--paper-line); }
.cta-band p { max-width: 54ch; color: var(--ink-2); font-size: 19px; }
.cta-band .link { color: var(--ink); }

/* Notice */
.notice { background: var(--paper-2); border-left: 3px solid var(--vermilion); padding: 16px 20px; margin: 24px 0; color: var(--ink); }
.notice .eyebrow { margin-bottom: 6px; }
.notice p { margin: 0; }

/* Tables (paper) */
.table-wrap { overflow-x: auto; background: #fbf9f2; border: 1px solid var(--paper-line); margin: 16px 0 24px; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
caption { text-align: left; padding: 14px 18px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-muted); caption-side: top; }
th, td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--paper-2); }
thead th { position: sticky; top: 0; z-index: 2; color: var(--ink-muted); background: var(--paper); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
tbody th { font-weight: 600; text-align: left; background: #fbf9f2; position: sticky; left: 0; z-index: 1; }
tr:hover > td { background: var(--paper); }
td.num, th.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.scroll-hint { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 8px; }
@media (min-width: 1024px) { .scroll-hint { display: none; } }
/* Tracker pages: the table takes the full width, related cards sit below it. */
.tracker-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 40px; }
.tracker-aside .card { margin: 0; transform: none; }
.no-link { color: var(--ink-muted); font-size: 13px; }

/* Forms */
label { display: block; font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.field { margin-bottom: 22px; }
.help { font-size: 14px; color: var(--ink-muted); margin: 8px 0 0; }
.error { font-size: 14px; color: var(--vermilion-ink); margin: 8px 0 0; font-weight: 600; }
label .optional { font-weight: 400; letter-spacing: .04em; text-transform: none; color: var(--ink-muted); }
.form-key { margin: 0 0 18px; }
.form-note { margin: 12px 0 0; }
input, select, textarea, button { font: inherit; }
input[type="text"], input[type="email"], input[type="search"], select, textarea { width: 100%; height: 46px; border: 1px solid var(--paper-line); border-bottom: 2px solid var(--ink); border-radius: 0; padding: 0 12px; background: #fbf9f2; color: var(--ink); transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease); }
textarea { height: auto; min-height: 130px; padding: 12px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-bottom-color: var(--vermilion); box-shadow: 0 2px 0 var(--vermilion); outline: none; }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--vermilion-ink); border-bottom-width: 3px; }
.hp { position: absolute; left: -9999px; }
.form-card { background: var(--paper); color: var(--ink); padding: 32px; box-shadow: 0 1px 0 rgba(20,19,15,.25), 0 24px 44px -24px rgba(0,0,0,.7); }
.form-card .notice-error { background: var(--vermilion-soft); }
.filters { display: flex; gap: 14px; flex-wrap: wrap; align-items: end; margin-bottom: 18px; }
.filters .field { margin: 0; min-width: 160px; flex: 1; }
.filters .actions { display: flex; gap: 8px; }

/* Layouts */
.two-col { display: grid; grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr); gap: 56px; align-items: start; }
.two-col.even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.two-col > * { min-width: 0; }
.sidebar .card { margin-bottom: 28px; transform: none; }
.centred { max-width: 460px; margin: 0 auto; }
.article h2 { margin-top: 56px; font-size: 32px; }
.article h3 { margin-top: 32px; }
.article p, .article li { font-size: 18px; line-height: 1.6; }

/* Footer */
.site-footer { background: var(--green-950); color: var(--sage); padding: 72px 0 36px; font-size: 14px; border-top: 1px solid var(--hair-dark); }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.site-footer h2 { color: var(--paper); font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: var(--sage); text-decoration-color: transparent; }
.site-footer a:hover { color: var(--vermilion-light); }
.footer-bottom { border-top: 1px solid var(--hair-dark); margin-top: 56px; padding-top: 28px; display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; }
.footer-bottom .disclaimer { flex: 1 1 320px; margin: 0; font-family: var(--mono); font-size: 12px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}
@media print { .site-header, .site-footer, .cta-band, .skip, .nav-toggle { display: none; } body { background: #fff; color: #000; } }

/* Responsive */
@media (max-width: 1119px) {
  .nav { gap: 12px; }
  .nav .wordmark { margin-right: auto; }
  .nav-demo { display: inline-flex; height: 40px; padding: 0 14px; font-size: 14px; }
  .nav-toggle { display: inline-flex; align-items: center; height: 40px; padding: 0 14px; border: 1px solid var(--hair-dark); background: transparent; color: var(--paper); cursor: pointer; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
  .nav-links { display: none; position: absolute; left: 0; right: 0; top: 72px; flex-direction: column; align-items: stretch; background: var(--green-950); border-bottom: 1px solid var(--hair-dark); padding: 8px 20px 20px; z-index: 40; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 8px; }
  .nav-links .cta { display: none; }
}
@media (max-width: 1023px) {
  .universe .label, .universe .core-text { display: none; }
  .universe-legend { display: flex; }
  .two-col, .two-col.even, .qa { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .stamps { grid-template-columns: 1fr; gap: 32px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .ledger li { grid-template-columns: 72px 1fr; }
  .ledger p { grid-column: 2; }
}
@media (max-width: 767px) {
  :root { --gutter: 16px; }
  section.block { padding: 72px 0; }
  main > section:first-child { padding-top: 44px; }
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .grid-2, .grid-3, .stats, .tracker-aside { grid-template-columns: 1fr; }
  .grid-3 .card:nth-child(n), .grid-2 .card:nth-child(n) { transform: none; }
  .cta-band::before { display: none; }
  .stats > div { border-right: 0; border-bottom: 1px solid var(--hair-dark); padding: 24px 0; }
  .stats > div + div { padding-left: 0; }
  .stats > div:last-child { border-bottom: 0; }
  .footer-cols { grid-template-columns: 1fr; }
  .filters { flex-direction: column; align-items: stretch; }
  .filters .field { min-width: 0; }
  section.paper::after, .hero-section::after { left: 4px; }
  .ledger li { grid-template-columns: 56px 1fr; gap: 16px; padding: 22px 0; }
  .ledger .n { font-size: 32px; }
  .ledger h3 { font-size: 22px; }
}
@media (max-width: 479px) { .btn { width: 100%; } .nav-demo.btn { width: auto; } .cta-row { flex-direction: column; align-items: stretch; } .wordmark .desc { display: none; } }