* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #1f2933;
  background-color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  background-color: #19044b;
  color: #ffffff;
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.logo {
  font-size: 1.25rem;
  font-weight: bold;
  text-decoration: none;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1rem;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 0.25rem 0;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.nav-list a:hover,
.nav-list a.active {
  border-bottom-color: #ffffff;
}

.hero {
  background-color: #eef4f3;
  padding: 2rem 0;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-greeting {
  color: #19044b;
  font-weight: bold;
}

.hero h1 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.hero-image {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 auto;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  background-color: #19044b;
  color: #ffffff;
  border: 2px solid #19044b;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
}

.button:hover {
  background-color: #321478;
  border-color: #19044b;
}

.button-outline {
  background-color: transparent;
  color: #19044b;
}

.button-outline:hover {
  background-color: #19044b;
  color: #ffffff;
}

.intro {
  padding: 2.5rem 0;
}

.intro h2 {
  margin-bottom: 0.75rem;
}

.intro p {
  max-width: 65ch;
  margin-bottom: 0.75rem;
}

.site-footer {
  background-color: #19044b;
  color: #ffffff;
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
  }

  .nav-list {
    gap: 0.25rem 1.5rem;
  }

  .hero {
    padding: 4rem 0;
  }

  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
  }

  .hero-text {
    flex: 1;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-image {
    flex: 0 0 320px;
    margin: 0;
  }
}