:root {
  --paper: #fbfaf6;
  --paper-warm: #f3eee5;
  --white: #fffef9;
  --ink: #20231f;
  --graphite: #343833;
  --muted: #6f746c;
  --sage: #9aaa8c;
  --sage-dark: #4d5a49;
  --plum: #6e4f57;
  --hairline: rgba(32, 35, 31, 0.14);
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 8px;
  --wrap: min(1120px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  color: var(--graphite);
  background: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.62;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

a {
  color: inherit;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--hairline);
  background: rgba(251, 250, 246, 0.92);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.brand {
  display: grid;
  gap: 2px;
  color: var(--ink);
  text-decoration: none;
}

.brand strong {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
}

.brand span {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #555951;
  font-size: 0.92rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links .is-active {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--white);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: auto;
  background: var(--ink);
  content: "";
}

.nav-toggle span::before {
  transform: translateY(-6px);
}

.nav-toggle span::after {
  transform: translateY(4px);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  font-weight: 650;
  text-decoration: none;
}

.button.ghost {
  background: transparent;
  color: var(--ink);
  border-color: rgba(52, 56, 51, 0.25);
}

.article-hero {
  padding: clamp(52px, 8vw, 104px) 0 clamp(34px, 5vw, 62px);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  text-decoration: none;
}

.status-pill {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 10px;
  border: 1px solid rgba(110, 79, 87, 0.28);
  border-radius: var(--radius);
  background: rgba(110, 79, 87, 0.07);
  color: var(--plum);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  max-width: 930px;
  font-size: clamp(2.55rem, 6vw, 5.4rem);
  line-height: 0.98;
}

.dek {
  max-width: 760px;
  margin-top: 26px;
  color: #474d45;
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
}

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(260px, 0.28fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
  padding-bottom: clamp(64px, 8vw, 110px);
}

.article-body {
  max-width: 760px;
}

.article-body h2 {
  margin-top: 48px;
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  line-height: 1.08;
}

.article-body p,
.article-body li {
  color: #424840;
  font-size: 1.04rem;
}

.article-body p {
  margin: 18px 0 0;
}

.article-body ul,
.article-body ol {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding-left: 1.25rem;
}

.article-note {
  margin: 30px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--sage-dark);
  border-radius: var(--radius);
  background: var(--white);
  color: #474d45;
}

.side-panel {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 18px;
}

.side-card {
  padding: 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--white);
}

.side-card h2 {
  font-size: 1.3rem;
}

.side-card p,
.side-card li {
  color: #555951;
  font-size: 0.94rem;
}

.side-card ul {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 1.1rem;
}

.next-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.next-link {
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--white);
  text-decoration: none;
}

.next-link span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.next-link strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 500;
  line-height: 1.22;
}

.footer {
  padding: 44px 0 34px;
  border-top: 1px solid var(--hairline);
  background: var(--white);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer a {
  text-decoration: none;
}

@media (max-width: 860px) {
  :root {
    --wrap: calc(100vw - 28px);
  }

  .nav {
    min-height: 64px;
  }

  .brand {
    min-width: 0;
  }

  .brand span,
  .brand strong {
    overflow-wrap: anywhere;
  }

  .brand strong {
    font-size: 1rem;
  }

  .brand span {
    font-size: 0.58rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 14px;
    left: 14px;
    z-index: 40;
    padding: 14px;
    border: 1px solid var(--hairline);
    border-radius: var(--radius);
    background: rgba(255, 254, 249, 0.98);
    box-shadow: 0 18px 44px rgba(32, 35, 31, 0.12);
  }

  body.nav-open .nav-links {
    display: grid;
    align-items: stretch;
    gap: 8px;
  }

  .nav-links a {
    padding: 10px 8px;
  }

  .article-shell,
  .next-grid {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}