:root {
  font-family: Inter, system-ui, sans-serif;
  color: #172b35;
  background: #f5f7f8;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: #006d80;
}
header,
main,
footer {
  max-width: 1120px;
  margin: auto;
  padding: 24px;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #d8e2e5;
}
nav {
  display: flex;
  gap: 22px;
  align-items: center;
}
.brand {
  font-weight: 850;
  font-size: 22px;
  text-decoration: none;
  color: #172b35;
}
.brand span {
  color: #007b86;
}
main {
  padding-top: 70px;
}
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}
.eyebrow {
  color: #007b86;
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 800;
}
h1 {
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.05;
  letter-spacing: -2px;
  margin: 20px 0;
}
h2 {
  font-size: 25px;
  margin: 12px 0;
}
p {
  line-height: 1.65;
  color: #52656d;
}
.lead {
  font-size: 19px;
}
.card {
  background: white;
  border: 1px solid #d8e2e5;
  border-radius: 18px;
  padding: 30px;
  box-shadow: 0 14px 45px #172b3508;
}
.price {
  font-size: 36px;
  font-weight: 800;
  color: #172b35;
  margin: 18px 0 4px;
}
button,
.button {
  display: inline-block;
  background: #006e79;
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
}
button:disabled {
  opacity: 0.45;
  cursor: wait;
}
.secondary {
  background: #eaf1f2;
  color: #24434e;
}
.danger {
  background: #fff0ec;
  color: #9c3420;
}
.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 70px 0 45px;
}
.step {
  border-top: 2px solid #b8d8db;
  padding-top: 20px;
}
.number {
  color: #007b86;
  font-weight: 800;
}
input,
textarea {
  width: 100%;
  font:
    14px ui-monospace,
    monospace;
  border: 1px solid #b9cbd0;
  border-radius: 7px;
  padding: 12px;
  background: #f5f8f9;
  resize: vertical;
}
label {
  display: block;
  margin: 16px 0 7px;
  font-weight: 650;
  font-size: 14px;
}
small {
  line-height: 1.6;
  color: #52656d;
}
#message {
  padding: 12px;
  border-radius: 8px;
  background: #e7f1f3;
  margin-bottom: 22px;
}
#message:empty {
  display: none;
}
[hidden] {
  display: none !important;
}
footer {
  border-top: 1px solid #d8e2e5;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
  margin-top: 50px;
}
li {
  line-height: 1.8;
  color: #52656d;
}
code {
  overflow-wrap: anywhere;
}
.badge {
  font-size: 12px;
  background: #e4f4ee;
  color: #246249;
  border-radius: 20px;
  padding: 6px 10px;
}
@media (max-width: 760px) {
  .hero,
  .steps {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  main {
    padding-top: 35px;
  }
  nav {
    gap: 12px;
    font-size: 13px;
  }
  h1 {
    letter-spacing: -1px;
  }
  .card {
    padding: 22px;
  }
  header {
    flex-wrap: wrap;
    gap: 16px;
  }
  .brand {
    white-space: nowrap;
  }
  nav {
    width: 100%;
    justify-content: space-between;
  }
  .price {
    font-size: 30px;
  }
  .steps {
    margin-top: 40px;
  }
  footer {
    flex-direction: column;
  }
}