:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --soft: #f5f8f6;
  --surface: #ffffff;
  --text: #17211d;
  --muted: #61706a;
  --green: #1d6b4f;
  --green-dark: #154c39;
  --on-green: #ffffff;
  --amber: #b87018;
  --border: #dde6e1;
  --shadow: 0 22px 60px rgba(21, 76, 57, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1513;
    --soft: #131c18;
    --surface: #17211d;
    --text: #f3faf7;
    --muted: #a6b8b0;
    --green: #58cfa0;
    --green-dark: #7de3b8;
    --on-green: #07130f;
    --amber: #e0b35f;
    --border: #26362f;
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 22px 0 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: var(--on-green);
  background: var(--green);
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav-button,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 750;
  white-space: nowrap;
}

.nav-button,
.primary-action {
  color: var(--on-green);
  background: var(--green);
  box-shadow: 0 10px 22px rgba(29, 107, 79, 0.18);
}

.nav-button {
  padding: 0 16px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: center;
  gap: 36px;
  width: min(1160px, calc(100% - 40px));
  min-height: min(760px, calc(100vh - 90px));
  margin: 0 auto;
  padding: 32px 0 58px;
}

.hero-copy {
  min-width: 0;
  padding: 30px 0;
}

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

h1 {
  font-size: clamp(54px, 7vw, 92px);
  line-height: 0.92;
  font-weight: 850;
  letter-spacing: 0;
}

.lede {
  max-width: 590px;
  margin-top: 26px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.45;
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  padding: 0 20px;
}

.secondary-action {
  color: var(--green-dark);
  border: 1px solid var(--border);
  background: var(--surface);
}

.fine-print {
  margin-top: 16px;
  color: var(--muted);
  font-size: 13px;
}

.hero-art {
  min-width: 0;
  max-width: 100%;
}

.hero-art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.band {
  background: var(--soft);
  padding: 76px 0;
}

.section-heading,
.steps,
.limits {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 44px;
  align-items: end;
}

h2 {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p,
.limits p,
.limits li {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 44px;
}

.steps article {
  min-height: 220px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.steps span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: var(--on-green);
  background: var(--green);
  font-weight: 800;
}

h3 {
  margin-top: 22px;
  font-size: 22px;
  line-height: 1.12;
}

.steps p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.55;
}

.limits {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 48px;
  padding: 78px 0 90px;
}

.limits p {
  margin-top: 20px;
  max-width: 650px;
}

.limits ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.limits li {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

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

  nav {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
  }

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

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  .hero-art {
    order: -1;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section-heading,
  .steps,
  .limits {
    width: min(calc(100% - 28px), 1160px);
  }

  .site-header {
    display: block;
  }

  nav {
    justify-content: flex-start;
    margin-top: 16px;
  }

  .hero-actions {
    display: grid;
  }
}