:root {
  --paper: #f8f3e8;
  --article: #fffdf7;
  --ink: #161616;
  --muted: #6d675c;
  --rule: #2b2925;
  --soft-rule: #d7cbb8;
  --accent: #8d6533;
  --green: #435c4d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Sans 3", Arial, sans-serif;
  line-height: 1.68;
}

a {
  color: inherit;
}

.masthead {
  padding: 30px clamp(18px, 5vw, 72px) 34px;
  border-bottom: 4px double var(--rule);
  text-align: center;
}

.kicker {
  margin: 0 auto 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Crimson Text", Georgia, serif;
}

h1 {
  max-width: 920px;
  margin: 0 auto 12px;
  font-size: clamp(3rem, 8vw, 7.2rem);
  line-height: 0.92;
}

.deck {
  max-width: 680px;
  margin: 0 auto 18px;
  color: var(--muted);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
}

.layout {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 820px);
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
  width: min(100% - 36px, 1180px);
  margin: 42px auto 70px;
}

.sidebar {
  position: sticky;
  top: 24px;
  padding: 18px 0;
  border-top: 2px solid var(--rule);
  border-bottom: 1px solid var(--soft-rule);
}

.sidebar-title {
  margin-bottom: 12px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
}

.sidebar nav {
  display: grid;
  gap: 9px;
}

.sidebar a {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.sidebar a:hover {
  color: var(--ink);
}

.article {
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid var(--soft-rule);
  background: var(--article);
}

.article-image {
  margin: 0 0 34px;
}

.article-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: grayscale(0.25) contrast(1.05);
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
  font-style: italic;
}

.lead {
  color: var(--ink);
  font-family: "Crimson Text", Georgia, serif;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.35;
}

blockquote {
  margin: 34px 0;
  padding: 26px 28px;
  border-top: 2px solid var(--rule);
  border-bottom: 1px solid var(--soft-rule);
}

blockquote p {
  margin: 0;
  color: var(--green);
  font-family: "Crimson Text", Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  text-align: center;
}

section {
  padding: 26px 0;
  border-top: 1px solid var(--soft-rule);
}

h2 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  line-height: 1.05;
}

section p,
.article-footer p {
  color: var(--muted);
  font-size: 1.08rem;
}

.checklist {
  display: grid;
  gap: 12px;
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--soft-rule);
  background: #f1eadc;
}

.checklist h2 {
  margin-bottom: 4px;
}

.checklist label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}

.checklist input {
  width: 18px;
  height: 18px;
  accent-color: var(--green);
}

.article-footer {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 2px solid var(--rule);
}

.article-footer a {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  color: #ffffff;
  background: var(--green);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 850px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .sidebar nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .layout {
    width: min(100% - 24px, 1180px);
    margin-top: 24px;
  }

  .article {
    padding: 20px;
  }

  .sidebar nav {
    grid-template-columns: 1fr 1fr;
  }

  .article-image img {
    aspect-ratio: 4 / 3;
  }
}