@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600;8..60,700&display=swap');

:root {
  --ink: #20201e;
  --muted: #6c6a64;
  --line: #e5e2db;
  --paper: #fffefa;
  --soft: #f5f3ee;
  --accent: #5b684f;
  --accent-dark: #414b39;
  --max: 1180px;
  --article: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "DM Sans", system-ui, sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255,254,250,.96);
}
.header-inner {
  max-width: var(--max);
  min-height: 70px;
  margin: auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-name {
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -.02em;
  font-size: 18px;
}
.site-header nav { display: flex; gap: 24px; }
.site-header nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}
.site-header nav a:hover { color: var(--ink); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 66px 28px 90px;
  display: grid;
  grid-template-columns: minmax(0, var(--article)) 220px;
  gap: 70px;
  align-items: start;
}
.article { min-width: 0; }
.article-header { margin-bottom: 34px; }
.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--accent);
}
h1, h2, h3 {
  font-family: "Source Serif 4", Georgia, serif;
  letter-spacing: -.025em;
  line-height: 1.18;
}
h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 600;
}
.dek {
  max-width: 700px;
  margin: 22px 0 18px;
  color: #55534d;
  font-size: 20px;
  line-height: 1.55;
}
.meta {
  color: var(--muted);
  font-size: 13px;
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}
.hero-figure { margin: 0 0 28px; }
.hero-placeholder {
  min-height: 360px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(91,104,79,.10), transparent 55%),
    repeating-linear-gradient(0deg, rgba(32,32,30,.035) 0 1px, transparent 1px 7px),
    #ece9e0;
  display: grid;
  place-items: center;
  color: #5c5b55;
  letter-spacing: .18em;
  font-size: 12px;
  font-weight: 700;
}
.hero-figure figcaption {
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}
.editorial-note {
  border-left: 3px solid var(--accent);
  padding: 2px 0 2px 18px;
  margin: 28px 0 34px;
  color: #5b5953;
  font-size: 13px;
}
.editorial-note strong { color: var(--ink); }
.toc {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
  margin: 0 0 48px;
}
.toc-title, .sidebar-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--muted);
}
.toc ol { margin: 0; padding-left: 22px; }
.toc li { padding: 2px 0; }
.toc a { text-decoration: none; }
.toc a:hover, .text-link:hover { text-decoration: underline; }

section { scroll-margin-top: 90px; margin-bottom: 54px; }
section.intro { margin-bottom: 52px; }
h2 { font-size: 34px; margin: 0 0 18px; }
h3 { font-size: 23px; margin: 30px 0 10px; }
p { margin: 0 0 18px; }
ul { margin: 0 0 18px; padding-left: 22px; }
li { margin: 6px 0; }

.pullquote {
  margin: 34px 0;
  padding: 20px 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 23px;
  line-height: 1.45;
  color: #4d5647;
}
.context-link { margin-top: 28px; color: #55534d; }
.text-link { color: var(--accent-dark); font-weight: 600; }

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}
.pros-cons > div { padding-top: 16px; }
.pros-cons h3 { font-size: 21px; margin-top: 0; }

.cta {
  margin-top: 34px;
  padding: 25px 28px;
  background: var(--soft);
  border: 1px solid var(--line);
}
.cta p { color: #55534d; font-size: 14px; }
.button {
  display: inline-block;
  padding: 11px 17px;
  border: 1px solid var(--accent-dark);
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.button:hover { background: var(--accent-dark); }

.faq { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer;
  list-style: none;
  padding: 17px 0;
  font-weight: 600;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  float: right;
  color: var(--muted);
  font-weight: 400;
}
details[open] summary::after { content: "−"; }
details p {
  max-width: 690px;
  color: #5b5953;
  font-size: 15px;
  padding: 0 34px 18px 0;
}

.article-footer {
  margin-top: 65px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.article-footer p { margin-bottom: 10px; }

.desktop-sidebar {
  position: sticky;
  top: 92px;
}
.sidebar-block {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.sidebar-block a {
  display: block;
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  padding: 5px 0;
}
.sidebar-block a:hover { color: var(--ink); }

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.footer-inner {
  max-width: var(--max);
  margin: auto;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 980px) {
  main { grid-template-columns: 1fr; max-width: 820px; }
  .desktop-sidebar { display: none; }
}
@media (max-width: 640px) {
  .header-inner { min-height: 60px; padding: 0 18px; }
  .site-header nav { gap: 12px; }
  .site-header nav a:nth-child(2) { display: none; }
  main { padding: 42px 18px 65px; }
  h1 { font-size: 43px; }
  .dek { font-size: 18px; }
  .hero-placeholder { min-height: 230px; }
  .pros-cons { grid-template-columns: 1fr; gap: 24px; }
  h2 { font-size: 30px; }
  .footer-inner { padding: 20px 18px; flex-direction: column; }
}