:root {
  color-scheme: light;
  --bg: #f6f8f9;
  --surface: #ffffff;
  --surface-dark: #111f1d;
  --line: #d8e1df;
  --text: #12211e;
  --muted: #61716d;
  --accent: #14745f;
  --accent-2: #245c9d;
  --shadow: 0 24px 70px rgba(23, 38, 35, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(246, 248, 249, 0.86);
  border-bottom: 1px solid rgba(216, 225, 223, 0.72);
  backdrop-filter: blur(16px);
}

.brand,
nav,
.hero-actions,
footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

nav {
  gap: clamp(12px, 2vw, 26px);
  color: var(--muted);
  font-size: 14px;
}

.nav-cta {
  color: var(--accent);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.84fr) minmax(520px, 1.16fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: 92vh;
  padding: 116px clamp(18px, 4vw, 56px) 58px;
  overflow: hidden;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  font-size: clamp(42px, 6vw, 84px);
  line-height: 0.98;
}

.lead {
  max-width: 620px;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
}

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

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  padding: 0 18px;
  font-weight: 750;
}

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

.secondary-button {
  border: 1px solid var(--line);
  background: white;
  color: var(--text);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  display: block;
  width: min(920px, 62vw);
  max-width: none;
  border: 1px solid rgba(216, 225, 223, 0.88);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(18px, 4vw, 56px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.proof-strip div {
  display: grid;
  gap: 7px;
  min-height: 118px;
  background: var(--surface);
  padding: 22px;
}

.proof-strip strong {
  font-size: 16px;
}

.proof-strip span,
.feature-grid p,
.steps p {
  color: var(--muted);
  line-height: 1.5;
}

.section {
  padding: 96px clamp(18px, 4vw, 56px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.06;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.steps article,
.feature-grid article {
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 24px;
}

.steps span {
  color: var(--accent-2);
  font-weight: 800;
}

h3 {
  margin-top: 34px;
  margin-bottom: 12px;
  font-size: 21px;
}

.platform {
  background: #eef3f1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

footer {
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

footer span {
  color: var(--text);
  font-weight: 800;
}

footer a {
  color: var(--accent);
  font-weight: 750;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual img {
    width: 100%;
  }

  .proof-strip,
  .steps,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 150px;
  }

  .proof-strip,
  .steps,
  .feature-grid {
    grid-template-columns: 1fr;
  }
}
