:root {
  color-scheme: light;
  --bg: #f8faf7;
  --surface: #ffffff;
  --ink: #10211b;
  --muted: #5b6b65;
  --line: #dbe5df;
  --line-strong: #b6c7bf;
  --green: #0e6f50;
  --green-dark: #064f39;
  --green-black: #073626;
  --saffron: #d78628;
  --soft: #edf5f0;
  --shadow: 0 22px 70px rgba(19, 45, 35, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0)),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.signal-strip {
  background: var(--green-black);
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal-strip div {
  display: flex;
  gap: 22px;
  align-items: center;
  max-width: calc(var(--max) + 64px);
  margin: 0 auto;
  padding: 10px 32px;
  overflow-x: auto;
  white-space: nowrap;
}

.signal-strip span:first-child {
  color: #fff;
}

.signal-strip span:not(:first-child)::before {
  content: "/";
  margin-right: 22px;
  color: var(--saffron);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  max-width: calc(var(--max) + 64px);
  margin: 0 auto;
  padding: 22px 32px;
  background: rgba(248, 250, 247, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(220, 229, 223, 0.86);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border: 2px solid var(--green);
  background:
    linear-gradient(135deg, transparent 43%, var(--saffron) 44% 56%, transparent 57%),
    radial-gradient(circle at 64% 36%, var(--green) 0 21%, transparent 22%);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 760;
}

.nav a:hover,
.site-footer a:hover {
  color: var(--green);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 19px;
  border: 1px solid var(--green);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 850;
  cursor: pointer;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.nav-cta,
.button.primary {
  background: var(--green);
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: var(--green-dark);
  border-color: var(--line-strong);
}

.nav-cta:hover,
.button:hover {
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  gap: 58px;
  align-items: center;
  max-width: var(--max);
  min-height: calc(100vh - 126px);
  margin: 0 auto;
  padding: 58px 32px 70px;
}

.hero-content h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(48px, 7.1vw, 94px);
  line-height: 0.94;
  letter-spacing: 0;
  font-weight: 910;
}

.hero-content > p {
  max-width: 680px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.proof-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: 760px;
  margin-top: 34px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.proof-rail span {
  min-height: 86px;
  padding: 18px 18px 18px 0;
  border-right: 1px solid var(--line);
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.45;
}

.proof-rail span:last-child {
  border-right: 0;
  padding-right: 0;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(140deg, #ffffff 0%, #eff7f2 62%, #f8ead6 100%);
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  display: block;
}

section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 92px 32px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.68fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 42px;
}

.section-head h2,
.network-copy h2,
.stance h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(36px, 4.3vw, 62px);
  line-height: 1.02;
  letter-spacing: 0;
  font-weight: 910;
}

.section-head p,
.network-copy p,
.stance p,
.contact-copy p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.66;
}

.stall-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.stall-grid article {
  min-height: 260px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.stall-grid article:last-child {
  border-right: 0;
}

.stall-grid span,
.layer-number,
.timeline span {
  color: var(--saffron);
  font-size: 13px;
  font-weight: 900;
}

.stall-grid h3,
.engine-grid h3,
.timeline h3 {
  margin: 42px 0 18px;
  font-size: 25px;
  line-height: 1.08;
  letter-spacing: 0;
}

.stall-grid p,
.engine-grid p,
.timeline p,
.engine-grid li {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.62;
}

.engine {
  padding-top: 102px;
}

.engine-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.engine-grid article {
  display: flex;
  flex-direction: column;
  min-height: 390px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 12px 38px rgba(20, 42, 33, 0.06);
}

.engine-grid h3 {
  min-height: 82px;
}

.engine-grid ul {
  display: grid;
  gap: 8px;
  margin: auto 0 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.engine-grid li {
  position: relative;
  padding-left: 17px;
}

.engine-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.network {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 76px;
  align-items: start;
}

.network-copy {
  position: sticky;
  top: 124px;
}

.network-copy p {
  margin-top: 20px;
}

.verification {
  border-top: 1px solid var(--line-strong);
}

.verify-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 30px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.verify-row span {
  color: var(--green-dark);
  font-size: 15px;
  font-weight: 900;
}

.verify-row p {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.45;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline article {
  min-height: 280px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.timeline h3 {
  margin-top: 62px;
}

.stance {
  max-width: none;
  background: var(--green-dark);
  color: #fff;
  margin-top: 30px;
}

.stance > div {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4px 32px;
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 82px;
  align-items: start;
}

.stance p {
  color: rgba(255, 255, 255, 0.78);
}

.contact {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 72px;
  align-items: start;
}

.contact-copy p {
  margin-top: 20px;
}

.contact-copy a {
  display: inline-block;
  margin-top: 24px;
  color: var(--green-dark);
  font-weight: 860;
}

form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(30, 47, 38, 0.08);
}

label {
  display: grid;
  gap: 8px;
}

label.wide,
form button,
.form-status {
  grid-column: 1 / -1;
}

label span {
  color: #31443b;
  font-size: 13px;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  line-height: 1.4;
  padding: 12px 13px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(15, 107, 79, 0.16);
  border-color: var(--green);
}

form button {
  width: fit-content;
  border: 0;
}

.form-status {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.form-status.success {
  color: var(--green-dark);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 32px 46px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
}

.site-footer div {
  display: flex;
  gap: 22px;
}

@media (max-width: 1020px) {
  .hero,
  .network,
  .contact,
  .stance > div,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    min-height: auto;
    padding-top: 48px;
  }

  .hero-visual,
  .hero-visual img {
    min-height: 390px;
  }

  .stall-grid,
  .engine-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .network-copy {
    position: static;
  }
}

@media (max-width: 720px) {
  .site-header {
    flex-wrap: wrap;
    padding: 18px 20px;
  }

  .nav {
    order: 3;
    width: 100%;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .nav-cta {
    display: none;
  }

  .hero,
  section,
  .site-footer,
  .signal-strip div {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-content h1 {
    font-size: 46px;
  }

  .hero-content > p {
    font-size: 17px;
  }

  .hero-actions,
  .site-footer,
  .site-footer div {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .proof-rail,
  .stall-grid,
  .engine-grid,
  .timeline,
  form {
    grid-template-columns: 1fr;
  }

  .proof-rail span,
  .stall-grid article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .proof-rail span:last-child,
  .stall-grid article:last-child {
    border-bottom: 0;
  }

  .verify-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .verify-row p {
    font-size: 17px;
  }

  .engine-grid article,
  .timeline article {
    min-height: auto;
  }

  .engine-grid h3,
  .timeline h3 {
    min-height: 0;
    margin-top: 42px;
  }
}