:root {
  --cream: #fbf7f0;
  --sand: #f6f1e7;
  --card: #ffffff;
  --ink: #33302b;
  --muted: #9a9488;
  --faint: #beb8ab;
  --green: #4c9c6f;
  --green-dark: #2f6b4a;
  --green-deep: #3f8a60;
  --sage: #dce8d5;
  --peach: #f09a5c;
  --red: #e0655a;
  --line: rgba(51, 48, 43, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--cream);
  color: var(--ink);
}

img {
  max-width: 100%;
}

a {
  color: var(--green-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--green);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}

.nav a {
  margin-left: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover {
  color: var(--green-dark);
  text-decoration: none;
}

.hero {
  padding: 56px 0 32px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: 46px;
  line-height: 1.12;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 46ch;
}

.pill {
  display: inline-block;
  background: var(--sage);
  color: var(--green-dark);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}

.btn {
  display: inline-block;
  background: var(--green);
  color: #fff;
  border: 0;
  border-radius: 14px;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}

.btn:hover {
  background: var(--green-deep);
  text-decoration: none;
}

.btn.ghost {
  background: transparent;
  color: var(--green-dark);
  border: 1.5px solid var(--sage);
}

.btn.ghost:hover {
  background: var(--sage);
}

.btn.small {
  padding: 8px 14px;
  font-size: 13px;
  border-radius: 11px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 26px;
}

section {
  padding: 26px 0;
}

section h2 {
  font-size: 26px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

section p.sub {
  color: var(--muted);
  margin: 0 0 22px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
}

.feature .dot {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  font-weight: 800;
  color: #fff;
}

.phone {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  box-shadow: 0 24px 60px rgba(51, 48, 43, 0.09);
}

.phone .screen {
  border-radius: 18px;
  background: var(--sand);
  padding: 18px;
}

.balance {
  background: var(--green);
  color: #fff;
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
}

.balance small {
  opacity: 0.85;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.balance strong {
  display: block;
  font-size: 26px;
  margin-top: 4px;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card);
  border-radius: 12px;
  padding: 11px 13px;
  margin-bottom: 8px;
  font-size: 13.5px;
}

.row .amt {
  font-weight: 700;
}

.amt.plus {
  color: var(--green-dark);
}

.amt.minus {
  color: var(--red);
}

.banner {
  background: var(--sage);
  border-radius: var(--radius);
  padding: 22px 26px;
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.banner h3 {
  margin: 0 0 4px;
  font-size: 18px;
}

.banner p {
  margin: 0;
  color: var(--green-dark);
  font-size: 14.5px;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding: 26px 0 44px;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.doc {
  max-width: 780px;
  margin: 0 auto;
  padding: 18px 0 60px;
}

.doc h1 {
  font-size: 36px;
  letter-spacing: -0.02em;
  margin: 26px 0 6px;
}

.doc .updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 26px;
}

.doc h2 {
  font-size: 21px;
  margin: 34px 0 8px;
}

.doc h3 {
  font-size: 17px;
  margin: 22px 0 6px;
}

.doc ul {
  padding-left: 22px;
}

.doc li {
  margin-bottom: 6px;
}

.doc .note {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--green);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--muted);
  font-size: 14.5px;
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 30px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .nav a {
    margin-left: 14px;
    font-size: 13px;
  }
}