* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Tahoma, Verdana, Arial, sans-serif;
  background: linear-gradient(180deg, #ffffff 0%, #eef2f8 100%);
  color: #1d1d1d;
}

main {
  min-height: 100vh;
  padding: 1.5rem 1rem;
  display: grid;
  place-items: center;
}

.card {
  width: min(700px, 96%);
  border: 1px solid #9eaec7;
  background: #f4f7fb;
  box-shadow: inset 0 1px 0 #fff, 0 10px 24px rgba(26, 52, 99, 0.12);
  padding: 1.1rem;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
  color: #15346c;
}

.hero {
  margin-bottom: 1rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #355d9f;
}

.subtitle {
  margin: 0.45rem 0 0;
  color: #2e3f5d;
}

.address-preview {
  border: 1px solid #bfcde3;
  background: #ffffff;
  padding: 0.75rem;
  margin-bottom: 0.95rem;
}

.address-preview p {
  margin: 0 0 0.45rem;
  color: #2f4264;
}

.address-preview ul {
  margin: 0;
  padding-left: 1.1rem;
}

li {
  margin-bottom: 0.3rem;
}

code {
  background: #fff;
  border: 1px solid #d4dceb;
  padding: 0.1rem 0.25rem;
}

.shortcuts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.shortcut-btn {
  border: 1px solid #8ba2ca;
  background: linear-gradient(180deg, #ffffff 0%, #deebff 100%);
  color: #162c4f;
  text-align: left;
  padding: 0.65rem 0.7rem;
  cursor: pointer;
}

.shortcut-btn strong {
  display: block;
  margin-bottom: 0.22rem;
  font-size: 0.92rem;
}

.shortcut-btn span {
  display: block;
  font-size: 0.77rem;
  color: #314d78;
}

.shortcut-btn:hover {
  background: linear-gradient(180deg, #ffffff 0%, #cfe1ff 100%);
}

.shortcut-btn:focus-visible {
  outline: 1px solid #2e5dab;
  outline-offset: 1px;
}

@media (max-width: 620px) {
  .shortcuts {
    grid-template-columns: 1fr;
  }
}