:root {
  --primary: #0F766E;
  --primary-dark: #115E59;
  --bg: #F1F5F9;
  --surface: #fff;
  --text: #172033;
  --muted: #64748B;
  --border: #CBD5E1;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hero {
  background:
    linear-gradient(145deg, rgba(17, 94, 89, 0.92), rgba(15, 118, 110, 0.88)),
    radial-gradient(ellipse at 20% 20%, #134e4a, #115E59 60%);
  color: #fff;
  padding: 56px 20px 64px;
}

.hero-inner {
  max-width: 880px;
  margin: 0 auto;
}

.brand {
  margin: 0 0 8px;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  opacity: 0.9;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  font-weight: 800;
}

.lead {
  margin: 0 0 24px;
  max-width: 40rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}

.intro {
  text-align: center;
  margin-bottom: 28px;
}

.intro h2 {
  margin: 0 0 8px;
  color: var(--primary-dark);
}

.intro p {
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-visual {
  display: flex;
  justify-content: center;
  background: #ecfdf5;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 4px;
}

.card-visual svg {
  width: 120px;
  height: 150px;
}

.card h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--primary-dark);
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

.steps {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  width: 100%;
  margin-top: 8px;
}

.btn-primary:hover { background: var(--primary-dark); }

.btn-light {
  background: #fff;
  color: var(--primary-dark);
}

.note {
  margin-top: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}

.note h2 {
  margin: 0 0 10px;
  color: var(--primary-dark);
}

.note p {
  margin: 0 auto 18px;
  max-width: 40rem;
  color: var(--muted);
  line-height: 1.55;
}

.note .btn {
  width: auto;
  min-width: 220px;
}

.foot {
  text-align: center;
  padding: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .hero { padding: 40px 16px 48px; }
}