html {
  font-size: 15px;
  min-height: 100%;
  position: relative;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  min-height: 100vh;
  margin: 0;
  color: #24475e;
  font-family: Georgia, "Times New Roman", serif;
  background: linear-gradient(180deg, #eaf6fc 0%, #f7fcff 55%, #ffffff 100%);
}

a {
  color: #1f7fa8;
}

a:hover {
  color: #0f5a7d;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem #fff, 0 0 0 0.25rem rgba(79, 168, 207, 0.5);
}

.landing-page {
  position: relative;
  min-height: 100vh;
  padding: 2rem 1rem;
  display: grid;
  place-items: center;
}

.landing-page__shell {
  width: min(900px, 100%);
  padding: clamp(1.5rem, 4vw, 3rem);
  border-top: 4px solid #8fd0ea;
  border-bottom: 4px solid #8fd0ea;
  background: rgba(255, 255, 255, 0.75);
}

.landing-page__header {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 16px;
  background: linear-gradient(160deg, #0b2236 0%, #12344f 100%);
  box-shadow: 0 10px 28px rgba(18, 52, 79, 0.25);
}

.landing-page__brand-image {
  display: block;
  width: min(100%, 520px);
  height: auto;
  margin: 0 auto;
}

.landing-page__heading {
  text-align: center;
}

.landing-page h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #f6efe5;
}

.landing-page__content {
  display: grid;
  gap: 1.75rem;
  text-align: center;
}

.landing-page__tag {
  margin: 0;
  color: #3d9cc4;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.82rem;
}

.landing-page__lead {
  margin: 0 auto;
  max-width: 42rem;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.8;
}

.landing-page__notice {
  padding: 1.4rem 1.5rem;
  border-radius: 12px;
  background: #e1f2fa;
}

.landing-page__notice h2 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  color: #1b5f82;
}

.landing-page__notice p {
  margin: 0 auto;
  max-width: 52rem;
  line-height: 1.8;
}

.landing-page__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.landing-page__card {
  padding: 0.5rem 1rem;
}

.landing-page__label {
  display: block;
  margin-bottom: 0.6rem;
  color: #3d9cc4;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
}

.landing-page__card a,
.landing-page__card p {
  display: block;
  margin: 0;
  line-height: 1.75;
  text-decoration: none;
}

.landing-page__card a:hover {
  text-decoration: underline;
}

.landing-page__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  color: #5f8197;
  font-size: 0.92rem;
}

.landing-page__meta span {
  padding-top: 0.35rem;
  border-top: 1px solid #bfe3f3;
}

@media (max-width: 767.98px) {
  .landing-page {
    padding: 1rem;
  }

  .landing-page__meta {
    flex-direction: column;
  }
}