/* =========================
   RESET & BASE
========================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

body {
  background: #f8fafc;
  color: #0f172a;
  line-height: 1.6;
}

a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}

/* =========================
   HEADER / HERO
========================= */
header {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  padding: 90px 20px 80px;
  text-align: center;
}

header h1 {
  font-size: 42px;
  max-width: 900px;
  margin: auto;
  line-height: 1.2;
}

header p {
  margin-top: 18px;
  font-size: 18px;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
  opacity: .95;
}

header a {
  display: inline-block;
  margin-top: 35px;
  background: #fff;
  color: #2563eb;
  padding: 14px 30px;
  border-radius: 14px;
  font-size: 17px;
  box-shadow: 0 12px 30px rgba(0,0,0,.15);
}

header a:hover {
  background: #eff6ff;
}

/* =========================
   MAIN CONTENT
========================= */
main {
  max-width: 1200px;
  margin: auto;
  padding: 80px 20px;
}

section {
  margin-bottom: 80px;
}

section h2 {
  font-size: 32px;
  margin-bottom: 15px;
}

section p {
  max-width: 800px;
  color: #475569;
  font-size: 17px;
}

/* =========================
   LISTAS
========================= */
ul {
  margin-top: 25px;
  padding-left: 20px;
}

li {
  margin-bottom: 10px;
  font-size: 16px;
}

/* =========================
   DESTACADOS
========================= */
section ul li {
  list-style: none;
  background: #ffffff;
  border-left: 6px solid #2563eb;
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,.05);
}

/* =========================
   CTA FINAL
========================= */
section:last-of-type {
  background: #eff6ff;
  padding: 60px 30px;
  border-radius: 24px;
  text-align: center;
}

section:last-of-type a {
  display: inline-block;
  margin: 20px 12px 0;
  padding: 14px 26px;
  border-radius: 12px;
  background: #2563eb;
  color: #fff;
}

section:last-of-type a:last-child {
  background: #ffffff;
  color: #2563eb;
  border: 2px solid #2563eb;
}

/* =========================
   FOOTER
========================= */
footer {
  background: #020617;
  color: #cbd5f5;
  text-align: center;
  padding: 30px 20px;
  font-size: 14px;
}

footer strong {
  color: #fff;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {

  header {
    padding: 70px 20px;
  }

  header h1 {
    font-size: 30px;
  }

  header p {
    font-size: 16px;
  }

  section h2 {
    font-size: 26px;
  }

  main {
    padding: 60px 18px;
  }

  section:last-of-type {
    padding: 45px 20px;
  }

}