:root {
  --bg: #f7f3ec;
  --bg-alt: #efe8da;
  --ink: #1a2a1f;
  --muted: #5a6a5c;
  --rule: #d9d2c1;
  --leaf: #3b5d3a;
  --leaf-deep: #2a4329;
  --bark: #5a3f2c;
  --accent: #c75c3d;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-serif, "Iowan Old Style", "Charter", Georgia,
    "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--leaf-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover {
  color: var(--accent);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Header ──────────────────────────────── */
header.site {
  padding: 28px 0 0;
}
header.site .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue",
    sans-serif;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.3px;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
nav.site a {
  margin-left: 22px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  text-decoration: none;
  color: var(--muted);
}
nav.site a:hover {
  color: var(--leaf-deep);
}

/* ── Hero ────────────────────────────────── */
.hero {
  padding: 84px 0 56px;
}
.eyebrow {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--leaf);
  margin: 0 0 18px;
}
h1 {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  color: var(--leaf-deep);
}
.lede {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--ink);
  max-width: 680px;
  margin: 0 0 36px;
}

/* ── CTA ─────────────────────────────────── */
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.05s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--leaf-deep);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--ink);
  color: var(--bg);
}
.btn-ghost {
  border-color: var(--rule);
  color: var(--ink);
}
.btn-ghost:hover {
  border-color: var(--leaf-deep);
  color: var(--leaf-deep);
}
.btn:active {
  transform: translateY(1px);
}

/* ── Stats strip ─────────────────────────── */
.stats {
  margin: 56px 0 0;
  padding: 22px 26px;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  border-radius: 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
.stats[hidden] {
  display: none;
}
.stat {
  text-align: left;
}
.stat-num {
  font-family: ui-serif, Georgia, serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--leaf-deep);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 8px;
}

/* ── Sections ────────────────────────────── */
section {
  padding: 72px 0;
  border-top: 1px solid var(--rule);
}
section h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.01em;
  color: var(--leaf-deep);
  margin: 0 0 14px;
}
section .kicker {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--bark);
  margin: 0 0 12px;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}
.feature {
  padding: 0;
}
.feature h3 {
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--ink);
}
.feature p {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
}

/* ── Walkthrough rail ────────────────────── */
.walkthrough {
  padding-bottom: 92px;
}
.walkthrough-head h2 {
  margin: 0;
  font-style: italic;
  letter-spacing: -0.015em;
}
.walkthrough-head .kicker {
  margin-bottom: 12px;
}

.walk-rail {
  list-style: none;
  margin: 40px 0 0;
  padding: 14px 28px 28px;
  display: flex;
  gap: 24px;
  justify-content: safe center;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scroll-padding-inline: 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
  -webkit-overflow-scrolling: touch;
}
.walk-rail::-webkit-scrollbar {
  height: 6px;
}
.walk-rail::-webkit-scrollbar-track {
  background: transparent;
}
.walk-rail::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 999px;
}

.walk-card {
  flex: 0 0 340px;
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 22px;
  padding: 18px 18px 22px;
  position: relative;
  box-shadow: 0 4px 14px rgba(26, 42, 31, 0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease,
    border-color 0.22s ease;
}
.walk-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 38px rgba(26, 42, 31, 0.14);
  border-color: var(--leaf);
}
.step-num {
  display: block;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 10.5px;
  letter-spacing: 3px;
  color: var(--leaf);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}
.walk-img-wrap {
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-alt);
  box-shadow: 0 6px 18px rgba(26, 42, 31, 0.08);
  isolation: isolate;
}
.walk-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 725 / 900;
  object-fit: cover;
  border-radius: 14px;
}
.walk-card h3 {
  font-family: ui-serif, "Iowan Old Style", Charter, Georgia, serif;
  font-size: 19px;
  font-weight: 600;
  margin: 18px 0 6px;
  color: var(--leaf-deep);
  letter-spacing: -0.005em;
  line-height: 1.25;
}
.walk-card p {
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .walk-rail {
    gap: 16px;
  }
  .walk-card {
    flex-basis: 78vw;
    padding: 16px 16px 20px;
  }
}

/* ── Hub vision ──────────────────────────── */
.hub {
  background: var(--leaf-deep);
  color: var(--bg);
  padding: 80px 0;
  border-top: none;
}
.hub h2,
.hub a {
  color: var(--bg);
}
.hub p {
  color: rgba(247, 243, 236, 0.85);
  max-width: 720px;
  font-size: 19px;
}
.hub .pill {
  display: inline-block;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid rgba(247, 243, 236, 0.4);
  border-radius: 999px;
  margin-bottom: 18px;
}

/* ── FAQ ─────────────────────────────────── */
.faq details {
  border-top: 1px solid var(--rule);
  padding: 22px 0;
}
.faq details:last-of-type {
  border-bottom: 1px solid var(--rule);
}
.faq summary {
  cursor: pointer;
  list-style: none;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: "+";
  font-size: 22px;
  color: var(--leaf);
  font-weight: 400;
}
.faq details[open] summary::after {
  content: "–";
}
.faq details > *:not(summary) {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

/* ── Prose pages (support, privacy) ──────── */
.prose {
  max-width: 720px;
  padding: 56px 0 72px;
}
.prose h1 {
  font-size: clamp(34px, 5vw, 48px);
  margin-bottom: 8px;
}
.prose .eyebrow {
  margin-bottom: 12px;
}
.prose h2 {
  font-size: 24px;
  margin-top: 44px;
  margin-bottom: 12px;
  color: var(--leaf-deep);
}
.prose h3 {
  font-size: 18px;
  margin-top: 28px;
  margin-bottom: 6px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
}
.prose p,
.prose li {
  color: var(--ink);
}
.prose ul {
  padding-left: 22px;
}
.prose li {
  margin-bottom: 8px;
}
.prose .meta {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 13px;
  color: var(--muted);
  margin-top: -4px;
}
.callout {
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 22px 26px;
  margin: 28px 0;
}
.callout strong {
  color: var(--leaf-deep);
}

/* ── Contact form ────────────────────────── */
.contact {
  padding: 72px 0;
}
.contact .kicker {
  margin: 0 0 14px;
}
.contact-lede {
  font-size: 17px;
  color: var(--ink);
  max-width: 560px;
  margin: 0 0 28px;
}
.contact {
  text-align: center;
}
.contact .kicker,
.contact-lede {
  margin-left: auto;
  margin-right: auto;
}
.contact-form {
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 26px;
  text-align: left;
}
.contact-form .form-row {
  justify-content: center;
}
.contact-form .field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-form label {
  font-family: ui-serif, "Iowan Old Style", Charter, Georgia, serif;
  font-size: 14px;
  font-style: italic;
  color: var(--bark);
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
}
.contact-form input,
.contact-form textarea {
  font-family: ui-serif, "Iowan Old Style", Charter, Georgia, serif;
  font-size: 17px;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  padding: 6px 0 8px;
  transition: border-color 0.18s ease;
  -webkit-appearance: none;
  appearance: none;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted);
  opacity: 0.7;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-bottom-color: var(--leaf-deep);
  border-bottom-width: 2px;
  padding-bottom: 7px;
}
.contact-form textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.55;
  padding: 10px 0 12px;
}
.contact-form .honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}
.contact-form .form-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.contact-form button[type="submit"] {
  cursor: pointer;
  border: none;
}
.contact-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.form-status {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--muted);
  min-height: 1.4em;
}
.form-status--ok {
  color: var(--leaf-deep);
}
.form-status--err {
  color: var(--accent);
}

/* ── Grant acknowledgement ───────────────── */
.grant {
  background: var(--bg-alt);
  padding: 64px 0;
  border-top: 1px solid var(--rule);
}
.grant-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
}
.grant-logos {
  display: flex;
  gap: 36px;
  align-items: center;
  flex-shrink: 0;
}
.grant-logos a {
  display: inline-block;
  line-height: 0;
}
.grant-logos img {
  display: block;
  height: auto;
}
.grant-logos img.nifa {
  width: 60px;
}
.grant-logos img.sare {
  width: 124px;
}
.grant-logos img.nsf {
  width: 96px;
}
.grant-text {
  font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.6;
  max-width: 640px;
}
.grant-text p {
  margin: 0 0 10px;
}
.grant-text .kicker {
  margin: 0 0 10px;
  color: var(--leaf);
}
.grant-text strong {
  color: var(--leaf-deep);
  font-weight: 600;
}
.grant-disclaimer {
  font-size: 12.5px;
  color: var(--muted);
  font-style: italic;
  margin-top: 14px !important;
}

@media (max-width: 760px) {
  .grant {
    padding: 48px 0;
  }
  .grant-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .grant-logos {
    gap: 28px;
  }
  .grant-logos img.nifa {
    width: 50px;
  }
  .grant-logos img.sare {
    width: 102px;
  }
  .grant-logos img.nsf {
    width: 80px;
  }
}

/* ── Footer ──────────────────────────────── */
footer.site {
  background: var(--bg-alt);
  border-top: 1px solid var(--rule);
  padding: 36px 0 56px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  color: var(--muted);
}
footer.site .row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}
footer.site nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 22px;
}
footer.site nav a:hover {
  color: var(--leaf-deep);
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 720px) {
  .features,
  .stats {
    grid-template-columns: 1fr;
  }
  nav.site a {
    margin-left: 14px;
  }
  .hero {
    padding: 56px 0 24px;
  }
  section {
    padding: 56px 0;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14110d;
    --bg-alt: #1d1a14;
    --ink: #ece6d6;
    --muted: #9aa39b;
    --rule: #2c2823;
    --leaf: #88b387;
    --leaf-deep: #b9d3b6;
    --bark: #c79d76;
    --accent: #e88766;
  }
  .btn-primary {
    background: var(--leaf-deep);
    color: #14110d;
  }
  .btn-primary:hover {
    background: var(--ink);
    color: #14110d;
  }
  .hub {
    background: #1d2a1c;
  }
}