body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
  padding: 20px;
  color: #222;
}

.container {
  max-width: 760px;
  margin: auto;
  background: #ffffff;
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  border: 1px solid #eceff3;
}

.top {
  text-align: center;
  margin-bottom: 18px;
}

h1 {
  margin: 0 0 8px 0;
  color: #222;
  font-size: 28px;
}

.subtitle {
  margin: 0;
  color: #666;
  font-size: 15px;
  line-height: 1.6;
}

.hero {
  background: #f9fafb;
  border-radius: 16px;
  padding: 20px;
  margin-top: 18px;
  border: 1px solid #eef0f2;
}

.hero h2 {
  margin: 0 0 10px 0;
  font-size: 20px;
  color: #222;
}

.hero p {
  margin: 0;
  color: #555;
  line-height: 1.7;
  font-size: 15px;
}

.nav {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pill {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid #e6e8ea;
  background: #fff;
  text-decoration: none;
  color: #222;
  font-weight: bold;
  font-size: 13px;
  transition: .2s ease;
}

.pill:hover {
  background: #f4f8ff;
  border-color: #d7e3f5;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

@media (min-width: 720px) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  background: #ffffff;
  border-radius: 16px;
  padding: 18px;
  border: 1px solid #eef0f2;
  box-shadow: 0 4px 14px rgba(0,0,0,.04);
}

.card h3 {
  margin: 0 0 8px 0;
  color: #222;
  font-size: 16px;
}

.card p,
.card li {
  color: #555;
  font-size: 14px;
  line-height: 1.7;
}

ul {
  margin: 10px 0 0 18px;
  padding: 0;
}

.tag {
  display: inline-block;
  font-size: 12px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid #e6e8ea;
  background: #f9fafb;
  color: #222;
  font-weight: bold;
  margin-top: 10px;
}

.steps {
  margin-top: 18px;
  background: #f9fafb;
  border-radius: 16px;
  padding: 18px;
  border: 1px solid #eef0f2;
}

.steps h3 {
  margin: 0 0 10px 0;
  color: #222;
  font-size: 16px;
}

.step {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  align-items: flex-start;
}

.badge {
  min-width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 13px;
  margin-top: 2px;
}

.cta {
  margin-top: 18px;
  padding: 22px;
  background: linear-gradient(180deg, #fff8e8 0%, #fff3e0 100%);
  border: 1px solid #ffe0b2;
  border-radius: 16px;
  text-align: center;
}

.cta h3 {
  margin: 0 0 6px 0;
  font-size: 20px;
  color: #222;
}

.cta p {
  margin: 0 0 14px 0;
  color: #555;
  line-height: 1.7;
  font-size: 14px;
}

.btn {
  display: inline-block;
  padding: 12px 18px;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  font-weight: bold;
  margin: 6px 6px 0 6px;
  transition: .2s ease;
  box-shadow: 0 8px 18px rgba(37,211,102,.18);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(37,211,102,.22);
}

.btn.secondary {
  background: #111;
  box-shadow: 0 8px 18px rgba(17,17,17,.16);
}

.btn.secondary:hover {
  box-shadow: 0 10px 22px rgba(17,17,17,.2);
}

.small {
  font-size: 12px;
  color: #888;
  margin-top: 10px;
  line-height: 1.6;
}

.divider {
  height: 1px;
  background: #eef0f2;
  margin: 22px 0;
}

.footer {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: #999;
}

.back {
  display: inline-block;
  margin-top: 12px;
  color: #2196F3;
  text-decoration: none;
  font-size: 14px;
}

.note {
  margin-top: 12px;
  background: #f6f7f8;
  border: 1px dashed #e3e5e7;
  border-radius: 14px;
  padding: 14px;
  color: #555;
  font-size: 13px;
  line-height: 1.7;
  text-align: left;
}

.accent {
  font-weight: bold;
  color: #222;
}

img {
  width: 50%;
  max-width: 260px;
}

/* ===== BLOCO ALERTAS ===== */

.alert-box {
  max-width: 520px;
  margin: 22px auto 0 auto;
  background: #ffffff;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  border: 1px solid #eceff3;
}

.alert-box h3 {
  margin: 0 0 8px 0;
  font-size: 20px;
  color: #222;
  text-align: center;
}

.alert-box p {
  margin: 0 0 16px 0;
  font-size: 14px;
  color: #666;
  text-align: center;
  line-height: 1.6;
}

.alert-fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alert-fields input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  border: 1px solid #dfe5ec;
  border-radius: 14px;
  background: #f8fafc;
  font-size: 15px;
  color: #222;
  transition: .2s ease;
}

.alert-fields input:focus {
  outline: none;
  border-color: #2fbf5b;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(47,191,91,.14);
}

.alert-fields input::placeholder {
  color: #8a94a6;
}

.alert-btn {
  width: 100%;
  margin-top: 16px;
  padding: 16px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, #f7d71e, #f4c400);
  color: #222;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 8px 18px rgba(244,196,0,.28);
}

.alert-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(244,196,0,.34);
}

.alert-btn:active {
  transform: translateY(0);
}

@media (min-width: 720px) {
  .alert-fields-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
}