:root {
  --forest: #082417;
  --green: #1c5d32;
  --lime: #9bd31f;
  --mint: #e8f4dc;
  --paper: #f7f8f2;
  --ink: #10241a;
  --muted: #607066;
  --line: rgba(16, 36, 26, 0.12);
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(8, 36, 23, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", Inter, system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 20px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(8, 36, 23, 0.08);
  background: rgba(247, 248, 242, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  width: 48px;
  color: var(--green);
}

.brand-mark svg {
  width: 100%;
  fill: currentColor;
}

.brand strong {
  display: block;
  color: var(--forest);
  font-size: 22px;
  font-weight: 800;
  text-transform: uppercase;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 42px);
  width: 100%;
}

.desktop-nav a {
  color: var(--forest);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.header-action,
.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.header-action,
.primary {
  padding: 0 22px;
  background: var(--forest);
  color: var(--white);
}

.secondary {
  padding: 0 22px;
  border: 1px solid rgba(8, 36, 23, 0.18);
  color: var(--forest);
}

.menu-button {
  display: none;
  position: relative;
  z-index: 30;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--forest);
  transition: transform 180ms ease;
}

.menu-open .menu-button span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-open .menu-button span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  top: calc(100% + 8px);
  right: 18px;
  display: grid;
  width: min(340px, calc(100vw - 36px));
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.mobile-nav a {
  padding: 15px;
  border-radius: 14px;
  color: var(--forest);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.mobile-nav a:hover {
  background: var(--mint);
}

.menu-open .mobile-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(42px, 8vw, 96px) clamp(18px, 5vw, 72px) 40px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--forest);
  font-size: clamp(48px, 7.4vw, 112px);
  font-weight: 800;
  line-height: 0.94;
}

.hero-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: #304139;
  font-size: clamp(18px, 1.8vw, 25px);
  font-weight: 650;
  line-height: 1.52;
}

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

.hero-media {
  position: relative;
  min-height: 620px;
  margin: 0;
  overflow: hidden;
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 620px;
  object-fit: cover;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 45%, rgba(8, 36, 23, 0.72));
}

.hero-media figcaption {
  position: absolute;
  z-index: 1;
  left: 24px;
  right: 24px;
  bottom: 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 20px;
  color: var(--white);
  background: rgba(8, 36, 23, 0.48);
  backdrop-filter: blur(14px);
}

.hero-media strong,
.hero-media span {
  display: block;
}

.hero-media span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 700;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(18px, 5vw, 72px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--line);
}

.proof-strip article {
  min-height: 126px;
  padding: 26px;
  background: var(--white);
}

.proof-strip strong {
  display: block;
  color: var(--forest);
  font-size: 25px;
  font-weight: 800;
}

.proof-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.4;
}

.section {
  padding: clamp(70px, 9vw, 120px) clamp(18px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(300px, 1.2fr);
  gap: clamp(28px, 6vw, 86px);
  align-items: end;
}

.section-heading h2,
.earth-copy h2,
.trace-card h2 {
  margin: 0;
  color: var(--forest);
  font-size: clamp(38px, 5.4vw, 76px);
  font-weight: 800;
  line-height: 1;
}

.section-heading p:not(.eyebrow),
.earth-copy p,
.trace-card p {
  margin: 20px 0 0;
  color: #405149;
  font-size: 18px;
  font-weight: 620;
  line-height: 1.65;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr 0.85fr;
  gap: 18px;
  margin-top: 42px;
}

.feature-card {
  min-height: 310px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 14px 44px rgba(8, 36, 23, 0.08);
}

.feature-card.large {
  background: var(--forest);
  color: var(--white);
}

.feature-card span {
  color: var(--lime);
  font-weight: 800;
}

.feature-card h3 {
  margin: 24px 0 14px;
  font-size: clamp(25px, 2.2vw, 36px);
  line-height: 1.08;
}

.feature-card p {
  margin: 0;
  color: inherit;
  opacity: 0.78;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.62;
}

.earth-section {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 0.82fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: center;
  padding: clamp(70px, 9vw, 120px) clamp(18px, 5vw, 72px);
  background: var(--mint);
}

.earth-image {
  min-height: 560px;
  border-radius: 34px;
  background-image: url("assets/hero-cattle-pasture.png");
  background-position: center;
  background-size: cover;
  box-shadow: var(--shadow);
}

.roadmap {
  background: var(--paper);
}

.narrow {
  display: block;
  width: min(980px, 100%);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
}

.timeline article {
  padding: 26px;
  border-left: 5px solid var(--lime);
  border-radius: 22px;
  background: var(--white);
}

.timeline span {
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.timeline strong {
  display: block;
  margin-top: 12px;
  font-size: 22px;
  line-height: 1.2;
}

.transparency {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 18px;
  padding: clamp(70px, 9vw, 120px) clamp(18px, 5vw, 72px);
  background: var(--forest);
}

.trace-card,
.trace-list article {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.06);
}

.trace-card {
  padding: clamp(30px, 5vw, 56px);
}

.trace-card h2,
.trace-card p {
  color: var(--white);
}

.trace-card p {
  opacity: 0.78;
}

.trace-list {
  display: grid;
  gap: 14px;
}

.trace-list article {
  padding: 26px;
  color: var(--white);
}

.trace-list strong {
  display: block;
  font-size: 24px;
}

.trace-list span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 650;
  line-height: 1.45;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 34px clamp(18px, 5vw, 72px);
  color: var(--white);
  background: #04140d;
}

.footer strong {
  display: block;
  font-size: 22px;
}

.footer p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer a {
  color: var(--lime);
  font-weight: 800;
}

@media (max-width: 1050px) {
  .desktop-nav,
  .header-action {
    display: none;
  }

  .menu-button {
    display: block;
    margin-left: auto;
  }

  .hero,
  .section-heading,
  .earth-section,
  .transparency {
    grid-template-columns: 1fr;
  }

  .proof-strip,
  .intro-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card.large {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 16px 18px;
  }

  .brand-mark {
    width: 40px;
  }

  .brand strong {
    font-size: 18px;
  }

  .hero {
    padding-top: 38px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-media,
  .hero-media img,
  .earth-image {
    min-height: 430px;
  }

  .hero-media figcaption {
    display: block;
  }

  .proof-strip,
  .intro-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
  }

  .footer {
    display: block;
  }

  .footer a {
    display: inline-block;
    margin-top: 16px;
  }
}