:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --text: #16181d;
  --text-muted: #5b6270;
  --border: #e2e5ea;
  --accent: #1f5f4f;
  --accent-soft: #eaf3f0;
  --radius: 10px;
  --maxw: 960px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--accent);
}

h1, h2, h3 {
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

h1 {
  font-size: 2.1rem;
}

h2 {
  font-size: 1.45rem;
}

h3 {
  font-size: 1.05rem;
}

p {
  margin: 0 0 14px;
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.logo {
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.93rem;
}

.site-header nav a {
  color: var(--text-muted);
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--text);
}

section {
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

section.alt {
  background: var(--bg-alt);
}

.hero {
  padding: 84px 0 72px;
}

.hero h1 {
  max-width: 22ch;
}

.hero .lead {
  max-width: 58ch;
  font-size: 1.12rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 26px;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.97rem;
  text-decoration: none;
  border: 1px solid var(--accent);
}

.btn:hover {
  filter: brightness(1.1);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
}

.note {
  font-size: 0.93rem;
  color: var(--text-muted);
}

.section-intro {
  max-width: 60ch;
  color: var(--text-muted);
}

.steps {
  list-style: none;
  counter-reset: step;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, 1fr);
}

.steps li {
  counter-increment: step;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.steps li::before {
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.steps strong {
  display: block;
  margin-bottom: 4px;
}

.steps span {
  font-size: 0.94rem;
  color: var(--text-muted);
}

.benefits {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
}

.benefits h3 {
  margin-bottom: 4px;
}

.benefits p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.96rem;
}

.plans {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
  margin: 28px 0 18px;
}

.plan {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.plan-price {
  font-size: 1.7rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 6px 0 2px;
}

.plan-price span {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-muted);
}

.plan ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.96rem;
}

.plan li {
  padding: 5px 0 5px 22px;
  position: relative;
}

.plan li::before {
  content: "–";
  position: absolute;
  left: 4px;
  color: var(--accent);
}

.plan-meta {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.status {
  max-width: 62ch;
}

.site-footer {
  padding: 32px 0 48px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.doc {
  padding: 48px 0 64px;
  max-width: 74ch;
}

.doc h1 {
  font-size: 1.8rem;
}

.doc h2 {
  font-size: 1.15rem;
  margin-top: 32px;
}

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

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

.doc .updated {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.callout {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

@media (max-width: 860px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .hero {
    padding: 56px 0 48px;
  }

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