:root {
  --primary: #0f766e;
  --primary-dark: #115e59;
  --text: #0f172a;
  --muted: #475569;
  --bg-alt: #f1f5f9;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  line-height: 1.6;
}

.container { width: min(1100px, 92%); margin: 0 auto; }
.narrow { width: min(720px, 92%); }

.header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  z-index: 10;
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { font-size: 1.5rem; font-weight: 800; color: var(--text); text-decoration: none; }
.logo span { color: var(--primary); }
.menu { display: flex; gap: 22px; align-items: center; list-style: none; margin: 0; padding: 0; }
.menu a { color: var(--text); text-decoration: none; font-weight: 500; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff !important;
  padding: 12px 24px;
  border-radius: 8px;
  border: 0;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn-small { padding: 8px 16px; }
.btn-outline { background: transparent; color: var(--primary) !important; border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff !important; }

.hero { padding: 90px 0 70px; background: linear-gradient(180deg, #ecfdf5, #fff); text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.15; margin: 0 auto 18px; max-width: 800px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.stats { display: flex; gap: 40px; justify-content: center; flex-wrap: wrap; list-style: none; padding: 0; margin: 50px 0 0; color: var(--muted); }
.stats strong { display: block; font-size: 2rem; color: var(--primary); }

.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { text-align: center; font-size: 2rem; margin: 0 0 40px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card { background: #fff; border: 1px solid #e2e8f0; border-radius: var(--radius); padding: 26px; }
.card h3 { margin-top: 0; color: var(--primary); }
.card p { margin-bottom: 0; color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 24px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li { background: #fff; border-radius: var(--radius); padding: 26px; counter-increment: step; }
.steps li::before { content: counter(step); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; }
.steps h3 { margin: 12px 0 6px; }
.steps p { margin: 0; color: var(--muted); }

details { border: 1px solid #e2e8f0; border-radius: 8px; padding: 14px 18px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 600; }

.cta { background: var(--bg-alt); text-align: center; }
.cta p { color: var(--muted); }
form { display: grid; gap: 16px; text-align: left; margin: 30px 0 16px; }
label { display: grid; gap: 6px; font-weight: 500; }
input, textarea { font: inherit; padding: 12px; border: 1px solid #cbd5e1; border-radius: 8px; }
input:focus, textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }
.small { font-size: 0.95rem; }

.footer { background: #0f172a; color: #cbd5e1; padding: 28px 0; text-align: center; }
.footer p { margin: 0; }

@media (max-width: 640px) {
  .menu li:not(:last-child) { display: none; }
}