:root {
  --ink: #18201f;
  --muted: #65706d;
  --paper: #fbfaf6;
  --surface: #ffffff;
  --line: #dbe2dc;
  --green: #176b54;
  --green-dark: #0d4034;
  --gold: #c8942e;
  --blue: #345d9d;
  --rose: #b84f67;
  --shadow: 0 24px 60px rgba(24, 32, 31, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(219, 226, 220, 0.85);
  background: rgba(251, 250, 246, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
}

.nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--green-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(32px, 6vw, 84px);
  min-height: calc(100vh - 73px);
  align-items: center;
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px) 56px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 19px;
  letter-spacing: 0;
}

.lede {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--green-dark);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 750;
  cursor: pointer;
}

.button.primary {
  background: var(--green-dark);
  color: white;
}

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

.signal-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 36px 0 0;
}

.signal-row div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
}

.signal-row dt {
  color: var(--muted);
  font-size: 12px;
}

.signal-row dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.hero-visual {
  display: flex;
  min-width: 0;
}

.hero-visual img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section,
.feature-grid,
.roadmap,
.contact {
  padding: 76px clamp(20px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.section-copy {
  color: var(--muted);
  font-size: 18px;
}

.section-copy p:first-child {
  margin-top: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding-top: 0;
}

.feature-grid article,
.roadmap-grid article,
.use-case-list div {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-grid article:nth-child(2) .icon {
  color: var(--blue);
}

.feature-grid article:nth-child(3) .icon {
  color: var(--rose);
}

.feature-grid article:nth-child(4) .icon {
  color: var(--gold);
}

.feature-grid p,
.roadmap-grid p,
.use-case-list p,
.contact p {
  color: var(--muted);
}

.icon {
  display: block;
  margin-bottom: 30px;
  color: var(--green);
  font-weight: 900;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

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

.roadmap {
  background: #eef4ef;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.contact {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 6vw, 80px);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

input,
textarea {
  width: 100%;
  border: 1px solid #c8d2cc;
  border-radius: 6px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .use-case-list,
  .roadmap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual img {
    min-height: 300px;
  }

  .signal-row,
  .feature-grid,
  .use-case-list,
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
}