:root {
  --bg: #0e1116;
  --surface: #171b22;
  --line: #2a313d;
  --brand: #1fa37a;
  --brand-hi: #2cc795;
  --accent: #f2b134;
  --text: #f4f6f8;
  --dim: #9aa4b2;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  -webkit-text-size-adjust: 100%;
}

a {
  color: var(--brand-hi);
}

a.mono {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.95em;
  word-break: break-all;
}

.hero {
  text-align: center;
  padding: 40px 20px 28px;
  background: linear-gradient(180deg, #141922 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: block;
  margin: 0 auto 16px;
  height: auto;
  max-width: 120px;
}

h1 {
  margin: 0 0 8px;
  font: 700 2rem/1.2 Montserrat, "Segoe UI Semibold", system-ui, sans-serif;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0 auto;
  max-width: 36rem;
  color: var(--dim);
  font-size: 1.05rem;
}

.wrap {
  max-width: 42rem;
  margin: 0 auto;
  padding: 24px 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
}

.card h2 {
  margin: 0 0 12px;
  font: 700 1.35rem/1.25 Montserrat, "Segoe UI Semibold", system-ui, sans-serif;
  color: var(--accent);
}

.card ol {
  margin: 0;
  padding-left: 1.25rem;
}

.card li {
  margin-bottom: 0.65rem;
}

.card li:last-child {
  margin-bottom: 0;
}

.highlight {
  border-color: var(--brand);
  box-shadow: 0 0 0 1px rgba(31, 163, 122, 0.25);
}

.cta-lead {
  margin: 1rem 0 0.5rem;
  font-weight: 600;
}

.cta-row {
  margin: 0 0 1rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  border-radius: 12px;
  padding: 14px 22px;
  text-align: center;
}

.btn.wa {
  background: #25d366;
  color: #0a1a0f;
  font-size: 1.05rem;
}

.btn.wa:hover,
.btn.wa:focus {
  filter: brightness(1.08);
}

.dim {
  color: var(--dim);
  font-size: 0.95rem;
  margin: 0;
}

.foot {
  text-align: center;
  padding: 0 16px 32px;
  color: var(--dim);
  font-size: 0.85rem;
}

@media (min-width: 600px) {
  .hero {
    padding-top: 52px;
  }

  h1 {
    font-size: 2.35rem;
  }
}