:root {
  color-scheme: light;
  --paper: #f9f6ed;
  --soft: #f2ebdb;
  --white: #fffdf6;
  --ink: #233b34;
  --muted: #51615a;
  --green: #204940;
  --forest: #163c34;
  --rust: #95432e;
  --line: #dcd4c2;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.65 var(--sans); }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .22em; }
a:focus-visible { outline: 3px solid #ac593b; outline-offset: 4px; }
.skip { position: absolute; left: 1rem; top: 1rem; z-index: 2; padding: .7rem 1rem; background: var(--white); transform: translateY(-180%); }
.skip:focus { transform: translateY(0); }
.wrap { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.masthead { border-bottom: 1px solid var(--line); }
.mast-inner { min-height: 84px; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .72rem; color: var(--forest); font: 600 1.3rem/1.05 var(--serif); text-decoration: none; }
.brand img { width: 40px; height: 40px; }
.nav { display: flex; gap: 1.9rem; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: .9rem; font-weight: 600; padding: .25rem 0; }
.nav a:hover, .nav a[aria-current] { color: var(--forest); text-decoration: underline; text-decoration-color: #a75136; text-decoration-thickness: 2px; text-underline-offset: .46em; }
.eyebrow, .meta { margin: 0; color: var(--rust); font: 700 .73rem/1.45 var(--mono); text-transform: uppercase; letter-spacing: .13em; }
h1, h2, h3 { margin: 0; color: var(--forest); font: 400 2rem/1.09 var(--serif); }
h1 { font-size: clamp(3.1rem, 5.7vw, 5.75rem); line-height: .99; letter-spacing: -.058em; }
h2 { font-size: clamp(2rem, 3.4vw, 3.4rem); letter-spacing: -.045em; }
h3 { font-size: clamp(1.55rem, 2.3vw, 2.25rem); letter-spacing: -.03em; }
p { margin: 0; }
.lede { color: var(--muted); font-size: clamp(1.03rem, 1.5vw, 1.21rem); line-height: 1.65; }
.hero { display: grid; grid-template-columns: 1fr 1fr; min-height: 520px; padding-block: clamp(2.2rem, 5vw, 5rem); align-items: center; gap: clamp(2rem, 5.3vw, 5.6rem); }
.hero-copy { padding-block: 1.2rem; }
.hero-copy h1 { margin: .9rem 0 1.4rem; }
.hero-copy h1 em { color: var(--rust); font-weight: 400; }
.hero-copy .lede { max-width: 34ch; }
.hero-art { margin: 0; background: var(--green); }
.hero-art img { aspect-ratio: 900 / 760; object-fit: cover; }
.actions { display: flex; flex-wrap: wrap; gap: .85rem 1.3rem; align-items: center; margin-top: 1.75rem; }
.button { display: inline-block; padding: .67rem 1rem; background: var(--green); border: 1px solid var(--green); color: var(--white); font-size: .88rem; font-weight: 700; text-decoration: none; }
.button:hover { background: #143a31; }
.button.outline { background: transparent; color: var(--green); }
.button.outline:hover { background: var(--soft); }
.arrow { margin-left: .25rem; }
.text-link { font-size: .91rem; font-weight: 700; color: var(--green); }
.division { border-top: 1px solid var(--line); padding-block: 2.6rem 4rem; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.feature, .post { display: flex; flex-direction: column; align-items: flex-start; min-height: 235px; padding: clamp(1.35rem, 3vw, 2.45rem); border: 1px solid var(--line); background: var(--white); }
.feature:nth-child(2) { background: #e5ebe0; border-color: #cdd8cb; }
.feature .eyebrow, .post .eyebrow { margin-bottom: .9rem; }
.feature p:not(.eyebrow), .post p:not(.eyebrow) { margin-top: .7rem; max-width: 46ch; color: var(--muted); }
.feature .text-link, .post .text-link { margin-top: auto; padding-top: 1.1rem; }
.subhero { padding-block: clamp(2.7rem, 7vw, 6.3rem); }
.subhero h1 { margin: .8rem 0 1.1rem; }
.subhero .lede { max-width: 57ch; }
.blog-banner { background: #f1e9d7; border-bottom: 1px solid var(--line); }
.blog-intro, .lab-intro { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); align-items: center; gap: 3rem; }
.blog-art { max-width: 330px; margin-left: auto; color: var(--rust); }
.blog-art svg { width: 100%; height: auto; display: block; }
.entries { padding-block: 2.75rem 4.25rem; }
.post { min-height: 255px; }
.post h3 a { text-decoration: none; }
.post h3 a:hover { text-decoration: underline; }
.lab-banner { background: var(--forest); color: var(--white); }
.lab-banner h1 { color: var(--white); }
.lab-banner .eyebrow { color: #edb498; }
.lab-banner .lede { color: #e1ebdf; }
.lab-banner .button { background: #f9f1df; border-color: #f9f1df; color: var(--forest); }
.lab-banner .button:hover { background: #e4eade; }
.lab-index { border: 1px solid #8baba0; padding: clamp(1.3rem, 3vw, 2.3rem); }
.lab-index p + p { margin-top: .65rem; }
.lab-index .lab-status { font: 400 clamp(1.55rem, 3vw, 2.4rem)/1.13 var(--serif); }
.lab-index p:last-child { color: #e1ebdf; }
.lab-section { padding-block: 2.9rem; border-bottom: 1px solid var(--line); }
.lab-section h2 { margin: .55rem 0 1.1rem; }
.lab-section .lede { max-width: 71ch; }
.challenge-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.55rem; }
.challenge { border: 1px solid var(--line); border-top: 3px solid #aa6044; background: var(--white); padding: 1.35rem; }
.challenge h3 { margin: .45rem 0 .55rem; }
.challenge p:last-child { margin-top: .7rem; }
.method { list-style: none; margin: 1rem 0 0; padding: 0; }
.method li { padding: .8rem 0; border-top: 1px solid var(--line); }
.reading { max-width: 740px; padding-block: clamp(2.3rem, 6vw, 5.5rem); }
.reading h1 { font-size: clamp(2.75rem, 6vw, 4.8rem); margin: .65rem 0 1rem; }
.reading .lede { margin-bottom: 2rem; }
.reading .eyebrow { margin-top: 1.75rem; }
.reading h2 { font-size: clamp(1.7rem, 4vw, 2.45rem); margin: 2rem 0 .75rem; }
.reading p + p { margin-top: .9rem; }
.reading ol { padding-left: 1.35rem; }
.reading li + li { margin-top: .55rem; }
.example { margin-top: 1.1rem; border-left: 3px solid #aa6044; padding: 1rem 1.2rem; background: var(--soft); }
.reading .actions { border-top: 1px solid var(--line); padding-top: 1.3rem; margin-top: 2.5rem; }
footer { border-top: 1px solid var(--line); padding-block: 1.8rem 2.2rem; color: var(--muted); font-size: .87rem; }
.foot-inner { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: .75rem 1.5rem; }
.foot-inner strong { color: var(--forest); }
.foot-links { display: flex; flex-wrap: wrap; gap: .7rem 1.3rem; }
@media (max-width: 900px) {
  .wrap { width: calc(100% - 56px); }
  .hero { gap: 2rem; min-height: 0; }
  .blog-intro, .lab-intro { gap: 1.7rem; }
}
@media (max-width: 660px) {
  .wrap { width: calc(100% - 36px); }
  .mast-inner { flex-direction: column; align-items: flex-start; gap: .55rem; padding-block: .8rem; }
  .nav { gap: clamp(.75rem, 4vw, 1.6rem); flex-wrap: wrap; }
  .nav a { font-size: .85rem; }
  .brand { font-size: 1.18rem; }
  .brand img { width: 35px; height: 35px; }
  .hero, .blog-intro, .lab-intro, .grid-2, .challenge-list { grid-template-columns: 1fr; }
  .hero { gap: 1.2rem; }
  .hero-copy { padding-block: 0 .3rem; }
  .hero-art img { aspect-ratio: 900 / 650; }
  .blog-art { display: none; }
  .feature, .post { min-height: 0; }
  .section-heading { flex-wrap: wrap; }
}

.support-banner { background: #f1e9d7; border-bottom: 1px solid var(--line); }
.support-strip { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; padding-block: 1.35rem 1.75rem; }
.support-strip p { color: var(--muted); }
.funding-status { padding: clamp(1.3rem, 3vw, 2.3rem); background: var(--white); border: 1px solid var(--line); }
.funding-status h2 { margin: .6rem 0 .7rem; font-size: clamp(1.55rem, 3.3vw, 2.5rem); }
.funding-status p:last-child, .offer-privacy p { color: var(--muted); }
.offer-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4rem); }
.offer-privacy { background: var(--soft); border-left: 3px solid #aa6044; margin-top: 1.5rem; padding: 1rem 1.15rem; }
.offer-privacy h3 { font-size: 1.35rem; margin-bottom: .5rem; }
.offer-privacy p + p { margin-top: .65rem; }
.offer-form { background: var(--white); border: 1px solid var(--line); padding: clamp(1rem, 3vw, 1.65rem); }
.offer-form label { display: block; font-weight: 650; margin-bottom: .3rem; }
.offer-form input:not([type="checkbox"], [type="hidden"]), .offer-form select, .offer-form textarea {
  display: block; width: 100%; min-height: 42px; margin: 0 0 .9rem;
  padding: .48rem .65rem; border: 1px solid #8e9b8e; background: white; color: var(--ink);
  border-radius: 0; font: inherit;
}
.offer-form input:focus-visible, .offer-form select:focus-visible,
.offer-form textarea:focus-visible, .offer-form button:focus-visible { outline: 3px solid #ac593b; outline-offset: 2px; }
.offer-form textarea { resize: vertical; }
.offer-form .checkbox-label { display: flex; gap: .6rem; align-items: baseline; font-weight: 500; margin: 1.1rem 0; }
.offer-form input[type="checkbox"] { accent-color: var(--forest); }
.offer-form button { cursor: pointer; }
.form-hint { font-size: .9rem; color: var(--muted); }
.offer-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.withdraw-form { margin-top: 1.2rem; max-width: 36rem; }
.receipt-code { padding: .85rem; background: var(--soft); overflow-wrap: anywhere; }
@media (max-width: 660px) {
  .offer-layout { grid-template-columns: 1fr; }
  .nav { column-gap: clamp(.58rem, 2.6vw, 1.45rem); }
}

.lab-text-link { color: var(--white); font-size: .91rem; font-weight: 700; }
.opportunity-feature { border: 1px solid var(--line); border-left: 3px solid #aa6044; background: var(--white); padding: clamp(1.25rem, 3vw, 2rem); }
.opportunity-feature h3 { margin-block: .55rem .7rem; }
.opportunity-feature p:not(.eyebrow) { color: var(--muted); max-width: 70ch; }
.brief-sample h3 { font-size: 1.55rem; margin-bottom: .6rem; }
.brief-prompt { max-width: 72ch; margin-top: 1.2rem; padding: .9rem 1.15rem; border: 1px solid var(--line); background: var(--soft); }
.brief-prompt summary { cursor: pointer; font-weight: 700; }
.brief-prompt p { margin-top: .7rem; }

.gift-hero h1 { max-width: 15ch; }
.offer-privacy summary { cursor: pointer; font-weight: 700; }
.offer-privacy summary + p { margin-top: .5rem; }
.offer-form .form-hint + button { margin-top: 1rem; }

.question-hero h1 { max-width: 22ch; font-size: clamp(2.6rem, 5.7vw, 5.25rem); }
.feature-links { display: flex; flex-wrap: wrap; gap: 0 1.3rem; margin-top: auto; }