.guide-shell {
  width: min(1060px, calc(100% - 32px));
}

.topic-label {
  color: var(--gold);
  font-weight: 800;
}

.answer-card {
  display: grid;
  grid-template-columns: minmax(0, 1.52fr) minmax(300px, 0.78fr);
  border: 3px solid var(--ink);
  background: var(--panel);
  box-shadow: 10px 10px 0 var(--shadow);
}

.answer-copy {
  padding: clamp(28px, 5vw, 56px);
}

.answer-copy h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(2.6rem, 7.2vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.direct-answer {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--green);
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.45;
}

.answer-caveat {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.hero-compare {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 26px;
  border-left: 3px solid var(--ink);
  background:
    linear-gradient(rgba(247, 201, 72, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(247, 201, 72, 0.035) 1px, transparent 1px),
    #15131f;
  background-size: 18px 18px;
}

.reaction-path {
  padding: 18px;
  border: 2px solid var(--line);
  background: var(--night);
  box-shadow: 4px 4px 0 var(--shadow);
}

.reaction-path > strong {
  display: block;
  margin-bottom: 13px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.reaction-path > div {
  display: flex;
  gap: 8px;
  align-items: center;
}

.reaction-path > div span {
  display: grid;
  min-height: 42px;
  flex: 1;
  place-items: center;
  border: 2px solid currentColor;
  font-size: 0.7rem;
  font-weight: 900;
}

.reaction-path i {
  color: var(--ink);
  font-style: normal;
  font-weight: 900;
}

.reaction-path small {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.simple-path {
  color: var(--blue);
}

.choice-path {
  color: var(--orange);
}

.jump-nav {
  display: flex;
  gap: 10px 22px;
  align-items: center;
  padding: 28px 18px;
  border-bottom: 2px solid var(--line);
}

.jump-nav > span {
  margin-right: auto;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.jump-nav a,
.text-link {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
  line-height: 1.45;
  text-decoration-color: var(--gold);
  text-underline-offset: 5px;
}

.jump-nav a:hover,
.jump-nav a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--gold);
  outline: 0;
}

.guide-section {
  padding: 76px 18px 58px;
}

.section-heading h2,
.mapping-copy h2,
.law-copy h2,
.uses-section h2,
.faq-section h2,
.related-section h2,
.more-guides h2,
.sources-section h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.wide-heading {
  max-width: 830px;
}

.wide-heading > p:last-child,
.mapping-copy > p:not(.section-kicker),
.law-copy > p:not(.section-kicker),
.method-grid p,
.metrics-panel dd,
.use-grid p,
.faq-list p,
.sources-section span {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}

.wide-heading > p:last-child {
  margin-top: 18px;
}

.table-wrap {
  margin-top: 34px;
  overflow-x: auto;
  border: 2px solid var(--line);
}

table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  background: var(--panel);
}

th,
td {
  padding: 18px 20px;
  border-right: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  text-align: left;
  vertical-align: top;
}

tr > :last-child {
  border-right: 0;
}

tbody tr:last-child > * {
  border-bottom: 0;
}

thead th {
  background: #171220;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

tbody th {
  width: 20%;
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.45;
}

tbody td {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.58;
}

.mapping-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 42px;
  padding: 36px;
  border: 2px solid var(--line);
  background: var(--panel);
}

.mapping-copy h2,
.law-copy h2 {
  margin-bottom: 20px;
}

.mapping-copy > p:not(.section-kicker) + p,
.law-copy > p:not(.section-kicker) + p {
  margin-top: 16px;
}

.mapping-copy .text-link,
.nogo-use .text-link {
  display: inline-block;
  margin-top: 22px;
}

.example-stack {
  display: grid;
  gap: 12px;
}

.example-stack article {
  padding: 18px;
  border: 2px solid var(--line);
  background: #15111e;
}

.example-stack h3 {
  margin: 14px 0 8px;
  font-size: 1rem;
}

.example-stack p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.example-tag {
  display: inline-block;
  padding: 4px 7px;
  border: 1px solid currentColor;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.simple-tag {
  color: var(--blue);
}

.choice-tag {
  color: var(--orange);
}

.law-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: 42px;
  align-items: center;
  margin-top: 22px;
  padding: 38px;
  border: 2px solid #6b5a30;
  background: #211c18;
}

.law-formula {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
  min-height: 190px;
  padding: 24px;
  border: 2px solid var(--gold);
  background: var(--night);
  box-shadow: 6px 6px 0 var(--shadow);
  color: var(--gold);
  font-size: clamp(1rem, 2.6vw, 1.55rem);
  font-weight: 900;
}

.law-formula span {
  padding: 8px;
  border: 2px solid var(--line);
}

.law-formula b {
  color: var(--ink);
}

.law-warning {
  padding: 16px;
  border-left: 4px solid var(--gold);
  background: rgba(247, 201, 72, 0.07);
}

.law-warning strong {
  color: var(--gold);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.method-grid li {
  padding: 24px;
  border: 2px solid var(--line);
  background: var(--panel);
}

.method-grid li > span {
  color: var(--gold);
  font-weight: 900;
}

.method-grid h3 {
  min-height: 46px;
  margin: 22px 0 12px;
  font-size: 1rem;
  line-height: 1.35;
}

.metrics-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.35fr);
  gap: 34px;
  margin-top: 16px;
  padding: 28px;
  border: 2px solid var(--line);
  background: #15111e;
}

.metrics-panel h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.2;
}

.metrics-panel dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 0;
}

.metrics-panel dt {
  margin-bottom: 6px;
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 900;
}

.metrics-panel dd {
  font-size: 0.86rem;
}

.uses-section,
.faq-section,
.related-section,
.more-guides,
.sources-section {
  padding: 72px 18px 0;
}

.use-grid,
.related-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.use-grid article {
  padding: 24px;
  border: 2px solid var(--line);
  background: var(--panel);
}

.use-grid h3 {
  min-height: 68px;
  margin: 0 0 18px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.simple-use {
  border-top-color: var(--blue) !important;
}

.choice-use {
  border-top-color: var(--orange) !important;
}

.nogo-use {
  border-top-color: var(--gold) !important;
}

.faq-list {
  margin-top: 28px;
  border-top: 2px solid var(--line);
}

.faq-list details {
  border-bottom: 2px solid var(--line);
}

.faq-list summary {
  padding: 22px 44px 22px 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.4;
}

.faq-list details p {
  max-width: 880px;
  padding: 0 0 24px;
}

.related-links a {
  display: flex;
  min-height: 118px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-weight: 800;
  line-height: 1.35;
  text-decoration: none;
}

.related-links a:hover,
.related-links a:focus-visible {
  border-color: var(--gold);
  outline: 0;
}

.related-links small {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 400;
}

.more-guides .guide-links {
  margin-top: 28px;
}

.sources-section {
  padding-bottom: 42px;
}

.sources-section ul {
  margin: 28px 0 0;
  padding: 0;
  border-top: 2px solid var(--line);
  list-style: none;
}

.sources-section li {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 30px;
  padding: 20px 0;
  border-bottom: 2px solid var(--line);
}

.sources-section a {
  color: var(--ink);
  font-weight: 800;
  line-height: 1.5;
  text-decoration-color: var(--gold);
  text-underline-offset: 5px;
}

.sources-section a:hover,
.sources-section a:focus-visible {
  color: var(--gold);
  outline: 0;
}

.sources-section span {
  font-size: 0.88rem;
}

@media (max-width: 860px) {
  .answer-card,
  .mapping-panel,
  .law-section {
    grid-template-columns: 1fr;
  }

  .hero-compare {
    grid-template-columns: 1fr 1fr;
    border-top: 3px solid var(--ink);
    border-left: 0;
  }

  .method-grid,
  .use-grid {
    grid-template-columns: 1fr 1fr;
  }

  .use-grid article:last-child {
    grid-column: 1 / -1;
  }

  .jump-nav {
    flex-wrap: wrap;
  }

  .jump-nav > span {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .guide-shell {
    width: min(100% - 18px, 600px);
    padding-top: 10px;
  }

  .topic-label,
  .language-chip {
    display: none;
  }

  .answer-card {
    box-shadow: 6px 6px 0 var(--shadow);
  }

  .answer-copy,
  .hero-compare {
    padding: 24px 20px;
  }

  .answer-copy h1 {
    font-size: clamp(2.2rem, 12vw, 3.8rem);
  }

  .hero-compare,
  .method-grid,
  .metrics-panel,
  .metrics-panel dl,
  .use-grid,
  .related-links,
  .sources-section li {
    grid-template-columns: 1fr;
  }

  .use-grid article:last-child {
    grid-column: auto;
  }

  .jump-nav a {
    width: calc(50% - 12px);
  }

  .guide-section {
    padding: 58px 8px 44px;
  }

  .mapping-panel,
  .law-section {
    gap: 26px;
    padding: 24px 20px;
  }

  .method-grid h3,
  .use-grid h3 {
    min-height: 0;
  }

  .method-grid li,
  .metrics-panel,
  .use-grid article {
    padding: 22px 20px;
  }

  .uses-section,
  .faq-section,
  .related-section,
  .more-guides,
  .sources-section {
    padding: 58px 8px 0;
  }

  .related-links a {
    min-height: 92px;
  }

  .sources-section {
    padding-bottom: 28px;
  }

  .sources-section li {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}