:root {
  --primary: #10b981;
  --primary-dark: #047857;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg-alt: #f8fafc;
  --radius: 14px;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: #fff;
}
a {
  color: var(--primary-dark);
}
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.narrow {
  max-width: 48rem;
}
.center {
  text-align: center;
}
.muted {
  color: var(--muted);
}
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 4rem;
}
.brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary-dark);
  text-decoration: none;
}
.links {
  display: flex;
  gap: 1.25rem;
  flex: 1;
}
.links a {
  color: var(--ink);
  text-decoration: none;
}
.cta {
  display: flex;
  gap: 0.5rem;
}
.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-lg {
  padding: 0.8rem 1.5rem;
  font-size: 1.05rem;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-dark);
}
.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
}
.hero {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(180deg, #ecfdf5 0%, #fff 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}
.eyebrow {
  color: var(--primary-dark);
  font-weight: 700;
  margin: 0 0 0.5rem;
}
h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin: 0 0 1rem;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 1.25rem;
}
h3 {
  margin: 0 0 0.5rem;
}
.lead {
  font-size: 1.15rem;
  color: #334155;
}
.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.hero-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}
.mock-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}
.dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
}
.dot.ok {
  background: var(--primary);
}
.mock-big {
  font-size: 2rem;
  font-weight: 800;
  margin: 0.5rem 0 0;
}
.mock-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.mock-list div {
  display: flex;
  flex-direction: column;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  background: var(--bg-alt);
}
.mock-list span {
  color: var(--muted);
  font-size: 0.85rem;
}
.section {
  padding: 4rem 0;
}
.section.alt {
  background: var(--bg-alt);
}
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.steps li::before {
  content: counter(step);
  font-weight: 800;
  color: var(--primary-dark);
  font-size: 1.5rem;
}
.steps span {
  color: var(--muted);
}
.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card.small p {
  margin: 0;
  color: var(--muted);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
  gap: 1rem;
}
.checks {
  padding: 0;
  list-style: none;
}
.checks li {
  padding-left: 1.75rem;
  position: relative;
  margin-bottom: 0.6rem;
}
.checks li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-dark);
  font-weight: 800;
}
.faq {
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
}
.faq p {
  color: #334155;
}
.cta-band {
  background: var(--ink);
  color: #fff;
}
.cta-band p {
  color: #cbd5e1;
}
.notice {
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  background: #fffbeb;
  border: 1px solid #fde68a;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
}
.footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}
.footer nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
@media (max-width: 860px) {
  .hero-grid,
  .two-cols {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
  }
  .links {
    display: none;
  }
  .nav {
    justify-content: space-between;
  }
}
@media (max-width: 520px) {
  .steps {
    grid-template-columns: 1fr;
  }
  .cta .btn-ghost {
    display: none;
  }
}