/* Visual blocks for the NOM-004 article; shared resources styles stay unchanged. */
.article-content { line-height: 1.8; }
.article-content > p, .article-content > ul { max-width: 72ch; }
.article-content > p { margin: 16px 0; }
.article-content > ul { padding-left: 24px; }
.article-content > ul li + li { margin-top: 6px; }
.article-section-title {
  margin: 42px 0 18px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(25px, 3vw, 30px);
  line-height: 1.3;
  text-wrap: balance;
}
.article [id] { scroll-margin-top: 24px; }
.article-toc {
  margin: 28px 0;
  padding: 22px 26px;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: #fff;
}
.article-toc h2 { margin: 0 0 14px; font-size: 18px; }
.article-toc ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 24px; list-style: none; padding: 0; margin: 0; }
.article-toc a { display: block; padding: 6px 0; color: var(--blue); font-size: 14px; font-weight: 600; text-decoration: none; }
.article-toc a:hover { text-decoration: underline; }
.evolution-steps { margin: 24px 0; }
.evolution-step { padding: 22px 0; border-bottom: 1px solid var(--border); }
.evolution-step:first-child { padding-top: 0; }
.evolution-step h3 { display: flex; align-items: baseline; gap: 14px; margin: 0 0 12px; font-size: 20px; }
.step-number { display: inline-flex; justify-content: center; flex: 0 0 38px; padding: 4px 0; border-radius: 10px; background: #eff6ff; color: var(--blue); font-size: 20px; font-weight: 800; }
.evolution-step p, .evolution-step ul { margin: 12px 0 0 52px; }
.evolution-step ul { padding-left: 22px; }
.article-content > .article-key-point { max-width: none; padding: 20px 24px; margin: 24px 0; border-left: 4px solid var(--orange); border-radius: 0 12px 12px 0; background: #fff3e9; color: var(--text); font-weight: 600; }
@media (max-width: 600px) {
  .article-toc { padding: 20px; }
  .article-toc ul { grid-template-columns: minmax(0, 1fr); }
  .article-section-title { margin-top: 32px; padding-top: 20px; }
  .evolution-step h3 { font-size: 18px; gap: 12px; }
  .evolution-step p, .evolution-step ul { margin-left: 0; }
  .article-content > .article-key-point { padding: 18px; }
}
.note-checklist,
.article-summary {
  margin: 32px 0;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
}
.note-checklist {
  background: linear-gradient(135deg, #eff6ff, #fff 70%);
}
.note-checklist h2,
.article-summary h2 { margin: 0 0 12px; }
.note-checklist > p { margin: 0 0 20px; }
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.checklist-grid li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
  font-weight: 600;
}
.checklist-grid li:last-child { grid-column: 1 / -1; }
.checklist-icon,
.soap-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: var(--blue);
  background: #eff6ff;
  font-weight: 800;
}
.soap-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}
.soap-card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 20px #0f172a08;
}
.soap-letter { width: 40px; height: 40px; font-size: 22px; }
.soap-card:last-child .soap-letter { color: #9a3412; background: #fff3e9; }
.soap-card h3 { font-size: 17px; margin: 14px 0 8px; }
.soap-card p { font-size: 14px; margin: 0; }
.article-summary { border-left: 4px solid var(--orange); background: #fffaf5; }
.article-summary ul { padding-left: 22px; margin: 0; }
.article-summary li + li { margin-top: 12px; }
.article-summary li::marker { color: #c2410c; }
.official-sources { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.official-sources h2 { margin: 0 0 14px; font-size: 21px; }
.official-sources ul { padding-left: 20px; }
.official-sources a { color: var(--blue); overflow-wrap: anywhere; }
.source-detail { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (max-width: 760px) {
  .soap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .note-checklist, .article-summary { padding: 20px; margin: 26px 0; }
  .checklist-grid, .soap-grid { grid-template-columns: minmax(0, 1fr); }
  .soap-card { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; }
  .soap-letter { grid-row: 1 / 3; }
  .soap-card h3 { margin: 0 0 6px; }
}

/* Article registration follows the home hero's typography and pill button. */
.article-registration {
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  padding: clamp(26px, 5vw, 48px);
  border-color: #dbeafe;
  border-radius: 24px;
  background: radial-gradient(ellipse at top right, #fff0e5, transparent 65%), #fff;
  box-shadow: 0 16px 40px rgba(20, 40, 78, .05);
}
.article-registration h2 {
  max-width: 620px;
  margin: 0 0 18px;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.025em;
  color: #14284e;
  text-wrap: balance;
}
.article-registration h2 em { color: #c2410c; }
.article-registration p { margin: 0; color: var(--muted); }
.article-registration .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 60px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(37, 99, 235, .2);
}
.article-registration .btn:hover { box-shadow: 0 18px 36px rgba(37, 99, 235, .25); }
@media (max-width: 480px) {
  .article-registration .btn { width: 100%; }
}

/* Lightweight provisional images; explicit dimensions reserve layout space. */
.article-visual {
  width: 100%;
  min-width: 0;
  margin: 32px 0;
}
.article-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: contain;
  border: 1px solid #dbeafe;
  border-radius: 18px;
  background: #eff6ff;
}
.article-visual-hero img { aspect-ratio: 16 / 9; }
.article-visual-hero figcaption a { color: inherit; }
.article-visual figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
@media (max-width: 480px) {
  .article-visual { margin: 24px 0; }
  .article-visual img { border-radius: 12px; }
}
