:root {
  --lcb-blue: #133F76;
  --lcb-green: #53A141;
  --lcb-gray: #646E7B;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #5f6b78;
  --border: #d8e0ea;
  --soft-blue: #eaf1f8;
  --soft-green: #edf7ea;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7fbff 0%, #eef4fb 100%);
  line-height: 1.65;
}

.wrap {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 900px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 38px 32px;
  box-shadow: 0 14px 40px rgba(19, 63, 118, 0.12);
}

.top {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 18px;
}

.app-icon {
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 8px 22px rgba(19, 63, 118, 0.10);
  flex-shrink: 0;
}

.badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--soft-green);
  color: var(--lcb-green);
  font-size: 0.9rem;
  font-weight: bold;
  margin-bottom: 10px;
}

h1 {
  margin: 0;
  color: var(--lcb-blue);
  font-size: 2rem;
  line-height: 1.2;
}

h2 {
  margin: 0 0 10px 0;
  color: var(--lcb-blue);
  font-size: 1.15rem;
}

.subtitle {
  margin: 8px 0 0 0;
  color: var(--lcb-gray);
  font-size: 1.05rem;
}

.intro {
  margin: 24px 0 0 0;
  padding: 16px 18px;
  background: var(--soft-blue);
  border-left: 5px solid var(--lcb-blue);
  border-radius: 12px;
}

.section {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

p {
  margin: 0 0 14px 0;
}

ul {
  margin: 0 0 14px 20px;
  padding: 0;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--lcb-green);
  text-decoration: none;
  font-weight: bold;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.footer {
  margin-top: 30px;
  color: var(--muted);
  font-size: 0.95rem;
}

.small {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .top {
    flex-direction: column;
    align-items: flex-start;
  }

  .app-icon {
    width: 72px;
    height: 72px;
  }

  .card {
    padding: 28px 20px;
  }

  h1 {
    font-size: 1.65rem;
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --lcb-blue: #78A9E6;
    --lcb-green: #7BC96A;
    --lcb-gray: #B6C0CC;

    --bg: #0F1722;
    --card: #182331;
    --text: #EAF1F8;
    --muted: #B6C0CC;
    --border: #2A3A4D;
    --soft-blue: #21344A;
    --soft-green: #1F3526;
  }

  body {
    background: linear-gradient(180deg, #0B121B 0%, #101926 100%);
  }

  .card {
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  }

  .app-icon {
    background: #F8FBFF;
  }

  .intro {
    border-left-color: var(--lcb-blue);
  }

  a {
    color: #8FD780;
  }

  a:hover,
  a:focus {
    color: #A6E79A;
  }
}