.shell {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #e3e7ec;
  margin-bottom: 3.5rem;
}

.brand {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand .dot {
  color: #b3854a;
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: #4d5d6b;
}

.nav a {
  text-decoration: none;
  color: inherit;
}

.nav a:hover {
  color: #1a1a1a;
}

.hero {
  margin-bottom: 4rem;
  max-width: 50ch;
}

.hero .kicker {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b3854a;
}

.hero h1 {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 1.5rem;
}

.hero p {
  font-size: 1.1rem;
  color: #41515f;
  margin: 0;
}

.guides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0;
  border-top: 1px solid #e3e7ec;
}

.guide {
  padding: 1.75rem 0;
  border-bottom: 1px solid #e3e7ec;
}

.guide + .guide {
  border-left: 1px solid #e3e7ec;
  padding-left: 1.75rem;
  padding-right: 1.75rem;
}

.guide:first-child {
  padding-right: 1.75rem;
}

.guide .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #b3854a;
  margin-bottom: 0.6rem;
}

.guide h3 {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: 1.3rem;
  margin: 0 0 0.5rem;
  line-height: 1.25;
}

.guide p {
  margin: 0 0 0.75rem;
  color: #4d5d6b;
  font-size: 0.95rem;
}

.guide .meta {
  font-size: 0.85rem;
  color: #87929c;
}

.back {
  margin-top: 3rem;
  font-size: 0.95rem;
}

.back a {
  color: #16578d;
}