:root {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #202e28;
  background: #f6f7f2;
  font-synthesis: none;
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input, select { font: inherit; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.site-header {
  max-width: 880px;
  margin: auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #dde2d8;
}
.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 750;
  gap: 10px;
  letter-spacing: .02em;
}
.brand-icon {
  background: #294b39;
  color: #e7f39b;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  font-size: 27px;
  line-height: 1;
}
.brand-note {
  font-weight: 400;
  font-size: 12px;
  color: #7b827a;
  border-left: 1px solid #cfd5cc;
  padding-left: 16px;
  margin-left: 8px;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hero { padding-top: 8px; }
h1 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.35;
  letter-spacing: -.04em;
  margin: 0 0 18px;
  font-weight: 750;
  max-width: 640px;
}
.subtitle {
  font-size: 16px;
  color: #697168;
  line-height: 1.85;
  max-width: 560px;
  margin: 0 0 20px;
}
.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.hero-points li {
  font-size: 13px;
  color: #42583c;
  background: #edf3de;
  border: 1px solid #d5e0c4;
  border-radius: 999px;
  padding: 6px 12px;
}

.sample-section {
  min-width: 0;
  border: 1px solid #dce2d5;
  border-radius: 16px;
  background: #f9faf5;
  padding: 22px;
}
.sample-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.sample-heading h2,
.form-heading h2 {
  font-size: 22px;
  color: #294b39;
  margin: 0;
  letter-spacing: -.02em;
  line-height: 1.4;
}
.sample-badge {
  border: 1px solid #dce2d5;
  border-radius: 5px;
  background: #f0f3e7;
  padding: 2px 7px;
  font-size: 10px;
  color: #68765f;
  white-space: nowrap;
}
.sample-badge.soft {
  background: #fff;
  border-color: #e1e5db;
}
.sample-scene {
  font-size: 13px;
  color: #68765f;
  margin: 12px 0 0;
}
.sample-meta,
.promo-subtitle {
  font-size: 11px;
  color: #747f6d;
  line-height: 1.8;
  margin: 12px 0 0;
}
.sample-disclaimer {
  margin: 14px 0 0;
  font-size: 13px;
  color: #68765f;
  background: #edf2e5;
  border: 1px solid #dce2d5;
  border-radius: 7px;
  padding: 10px 12px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0 0;
}
.comparison-card {
  border: 1px solid #e1e5db;
  border-radius: 10px;
  background: #fff;
  padding: 14px 14px 12px;
}
.comparison-vendor {
  margin: 0;
  font-size: 14px;
  font-weight: 650;
  color: #294b39;
}
.comparison-price {
  margin: 8px 0 6px;
  font-size: 20px;
  font-weight: 700;
  color: #294b39;
  letter-spacing: -.02em;
}
.comparison-blurb {
  margin: 0 0 10px;
  font-size: 12px;
  color: #68765f;
  line-height: 1.7;
}
.comparison-source,
.promo-link {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #294b39;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.comparison-source:hover,
.promo-link:hover { color: #537c40; }

.promo-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.promo-list li {
  border: 1px solid #e1e5db;
  border-radius: 10px;
  background: #fff;
  padding: 14px;
}
.promo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.promo-row strong {
  font-weight: 650;
  color: #294b39;
}
.promo-note {
  margin: 0;
  font-size: 13px;
  color: #596752;
  line-height: 1.7;
}
.promo-interest {
  margin: 6px 0 0;
  font-size: 12px;
  color: #68765f;
}
.promo-link { margin-top: 8px; }
.promo-empty {
  margin: 14px 0 0;
  font-size: 14px;
  color: #68765f;
  background: #edf2e5;
  border: 1px solid #dce2d5;
  border-radius: 8px;
  padding: 14px;
}

.signup {
  background: #fff;
  border: 1px solid #e1e5db;
  box-shadow: 0 12px 44px #283c2310;
  border-radius: 20px;
  padding: 28px;
}
.form-heading { margin-bottom: 18px; }
.field, fieldset { margin: 0 0 18px; }
label, legend { font-size: 13px; font-weight: 600; }
.required { color: #788d5a; }
.optional {
  font-size: 11px;
  color: #92988c;
  font-weight: 400;
  margin-left: 8px;
}
input[type=email],
input[type=text],
select {
  display: block;
  width: 100%;
  height: 44px;
  border: 1px solid #dce0d6;
  border-radius: 7px;
  background: #fff;
  padding: 0 12px;
  color: #26392b;
  margin-top: 7px;
  font-size: 13px;
}
input::placeholder { color: #a0a59a; }
select { appearance: auto; }
fieldset { padding: 0; border: 0; min-width: 0; }
legend { padding: 0; }
.field-hint {
  font-size: 11px;
  color: #8a9282;
  margin: 4px 0 10px;
}
.vendor-grid,
.chip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.chip-grid {
  grid-template-columns: repeat(2, 1fr);
}
.choice {
  position: relative;
  cursor: pointer;
  font-weight: 400;
}
.choice input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.choice span {
  display: block;
  text-align: center;
  padding: 9px 6px;
  border: 1px solid #dfe3d8;
  border-radius: 6px;
  font-size: 12px;
  color: #71796a;
  transition: background .15s;
}
.choice input:checked + span {
  background: #edf3de;
  border-color: #8ca66e;
  color: #365128;
}
.choice input:focus-visible + span,
:focus-visible {
  outline: 2px solid #537c40;
  outline-offset: 3px;
}
[aria-invalid=true] { border-color: #bd5147 !important; }
.error {
  color: #ad3a30;
  font-size: 12px;
  margin: 5px 0 0;
}
.error:empty { display: none; }

.submit {
  border: 0;
  background: #294b39;
  color: #fff;
  width: 100%;
  padding: 14px 17px;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
}
.submit:hover { background: #203e2e; }
.submit:disabled {
  opacity: .72;
  cursor: wait;
}
.form-note {
  font-size: 11px;
  text-align: center;
  color: #94998f;
  margin: 12px 0 0;
  line-height: 1.7;
}
#form-status, #export-status {
  font-size: 12px;
  border-radius: 7px;
  padding: 12px;
  line-height: 1.8;
  margin: 13px 0 0;
}
.success { background: #eef5e5; color: #365b2e; }
.failure { background: #fff0ed; color: #a2392d; }

.success-panel {
  background: #eef5e5;
  border: 1px solid #d5e3c6;
  border-radius: 12px;
  padding: 22px 18px;
  text-align: center;
}
.success-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: #294b39;
}
.success-body {
  margin: 0 0 16px;
  font-size: 13px;
  color: #4a6144;
  line-height: 1.8;
}
.secondary-link {
  border: 0;
  background: none;
  color: #537c40;
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 4px;
}

.export-row {
  border-top: 1px solid #edf0e7;
  margin-top: 23px;
  padding-top: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  color: #949b8d;
  gap: 8px;
}
.export-row button {
  border: 0;
  background: none;
  color: #66775c;
  font-size: 11px;
  padding: 4px 0;
}

footer {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 24px 40px;
  border-top: 1px solid #dce2d6;
  color: #91978c;
  font-size: 12px;
  line-height: 1.9;
}
footer p { margin: 0 0 8px; }
footer strong { color: #5c6e54; font-weight: 650; }
.footer-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-heading .brand {
  font-size: 13px;
  color: #5c6e54;
}

.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;
}
[hidden] { display: none !important; }

@media (max-width: 740px) {
  .site-header { padding: 18px 16px; }
  .brand-note { display: none; }
  main { padding: 28px 16px 40px; gap: 22px; }
  h1 { font-size: 30px; }
  .subtitle { font-size: 15px; }
  .comparison-grid { grid-template-columns: 1fr; }
  .vendor-grid { grid-template-columns: repeat(2, 1fr); }
  .chip-grid { grid-template-columns: 1fr 1fr; }
  .signup { padding: 22px 18px; }
  footer { padding: 22px 16px 32px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}