:root {
  --ink: #17201b;
  --muted: #5f6d64;
  --paper: #f7f4ee;
  --panel: #ffffff;
  --field: #2f6b47;
  --field-dark: #1f4d34;
  --tractor: #c74832;
  --sky: #dceaf2;
  --line: rgba(23, 32, 27, 0.14);
  --shadow: 0 20px 50px rgba(20, 35, 27, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  color: #ffffff;
  background: linear-gradient(180deg, rgba(13, 25, 18, 0.72), rgba(13, 25, 18, 0));
}

.brand,
.main-nav {
  display: flex;
  align-items: center;
}

.brand {
  min-width: 0;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 0.78rem;
  backdrop-filter: blur(12px);
}

.main-nav {
  gap: clamp(12px, 3vw, 28px);
  font-size: 0.95rem;
  font-weight: 700;
}

.main-nav a {
  opacity: 0.9;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  z-index: -2;
  object-fit: cover;
  object-position: 62% center;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(10, 21, 15, 0.86) 0%, rgba(10, 21, 15, 0.54) 44%, rgba(10, 21, 15, 0.16) 74%),
    linear-gradient(0deg, rgba(10, 21, 15, 0.48), rgba(10, 21, 15, 0.08) 50%);
}

.hero-content {
  width: min(720px, 100%);
  padding: 132px clamp(18px, 5vw, 72px) clamp(36px, 8vw, 88px);
  color: #ffffff;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--tractor);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero .eyebrow {
  color: #ffd5b3;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 12ch;
  font-size: clamp(2.75rem, 8vw, 6.8rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.02rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 800;
  line-height: 1.2;
}

.button.primary {
  color: #ffffff;
  background: var(--tractor);
}

.button.secondary {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.section {
  padding: clamp(58px, 9vw, 112px) clamp(18px, 5vw, 72px);
}

.section-heading {
  width: min(1040px, 100%);
  margin: 0 auto 34px;
}

.intro-grid,
.card-grid,
.feature-list {
  width: min(1040px, 100%);
  margin-inline: auto;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(22px, 5vw, 56px);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.intro-grid p {
  margin-bottom: 0;
}

.uses-section {
  background: #e8f0ea;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  min-height: 232px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.card-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 8px;
  color: #ffffff;
  background: var(--field);
  font-size: 0.78rem;
  font-weight: 800;
}

.info-card p,
.feature-row p,
.site-footer p {
  margin-bottom: 0;
  color: var(--muted);
}

.parts-section {
  background:
    linear-gradient(90deg, rgba(47, 107, 71, 0.08), rgba(199, 72, 50, 0.07)),
    var(--paper);
}

.feature-list {
  border-top: 1px solid var(--line);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.3fr);
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.feature-row h3 {
  margin-bottom: 0;
}

.site-footer {
  padding: 30px clamp(18px, 5vw, 72px);
  text-align: center;
  background: var(--ink);
}

.site-footer p {
  color: rgba(255, 255, 255, 0.74);
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .main-nav {
    width: 100%;
    justify-content: space-between;
    font-size: 0.86rem;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-image {
    object-position: 68% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(10, 21, 15, 0.88), rgba(10, 21, 15, 0.42)),
      linear-gradient(0deg, rgba(10, 21, 15, 0.58), rgba(10, 21, 15, 0.12));
  }

  .hero-content {
    padding-top: 156px;
  }

  h1 {
    max-width: 10ch;
  }

  .intro-grid,
  .card-grid,
  .feature-row {
    grid-template-columns: 1fr;
  }

  .card-grid {
    gap: 14px;
  }

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

@media (max-width: 520px) {
  .brand {
    font-size: 0.95rem;
  }

  .main-nav {
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    justify-content: flex-start;
  }

  .main-nav a {
    flex: 0 0 auto;
  }

  .hero {
    min-height: 92svh;
  }

  .hero-image {
    object-position: 71% center;
  }

  .hero-content {
    padding-top: 150px;
  }

  h1 {
    font-size: clamp(2.3rem, 15vw, 4rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}