:root {
  --ink: #111827;
  --muted: #667085;
  --line: #d8e0e8;
  --paper: #ffffff;
  --wash: #f3f7fa;
  --blue: #1d4ed8;
  --teal: #0f766e;
  --coral: #f9735b;
  --gold: #d89c22;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font-family: Arial, "Malgun Gothic", sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1088px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  background: #f8fafc;
  border-bottom: 1px solid var(--line);
  color: #475467;
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.topbar nav { display: flex; flex-wrap: wrap; gap: 0; }
.topbar a { padding: 0 10px; border-right: 1px solid #cfd7df; }
.topbar a:first-child { padding-left: 0; }
.topbar a:last-child { border-right: 0; padding-right: 0; }
.topbar span { font-weight: 700; }
.masthead {
  display: grid;
  min-height: 154px;
  place-items: center;
  text-align: center;
}
.logo { display: inline-grid; place-items: center; gap: 2px; }
.logo strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(44px, 7vw, 74px);
  line-height: .95;
}
.logo small {
  display: block;
  width: 100%;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  color: #344054;
  font-size: 17px;
}
.masthead p {
  max-width: 760px;
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 700;
}
.category-nav {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.category-inner {
  display: flex;
  min-height: 56px;
  align-items: center;
  gap: 26px;
  overflow-x: auto;
}
.menu-icon, .menu-icon::before, .menu-icon::after {
  display: block;
  width: 19px;
  height: 2px;
  background: var(--ink);
}
.menu-icon { position: relative; flex: 0 0 auto; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -7px; }
.menu-icon::after { top: 7px; }
.category-inner a {
  flex: 0 0 auto;
  padding: 17px 0 15px;
  font-weight: 900;
  font-size: 16px;
}
.category-inner a:first-of-type {
  color: var(--blue);
  border-bottom: 3px solid var(--blue);
}
.home {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  padding: 34px 0 60px;
}
.hero {
  display: grid;
  grid-template-columns: minmax(310px, .85fr) minmax(380px, 1fr);
  gap: 30px;
  align-items: center;
}
.hero-copy h1 {
  margin: 10px 0 18px;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.08;
}
.eyebrow, .meta { color: var(--blue); font-size: 13px; font-weight: 900; }
.hero-copy p { color: #475467; font-size: 17px; }
.hero-visual {
  min-height: 320px;
  padding: 34px;
  background:
    radial-gradient(circle at 78% 20%, rgba(249,115,91,.32), transparent 34%),
    linear-gradient(135deg, #e7f0ff, #dff7ef);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(15, 23, 42, .1);
}
.visual-card {
  height: 100%;
  min-height: 252px;
  padding: 28px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(255,255,255,.9);
}
.visual-card strong { display: block; font-size: 32px; line-height: 1.25; }
.visual-card span { display: inline-block; margin-top: 18px; color: var(--teal); font-weight: 900; }
.side-panel {
  align-self: start;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
}
.side-panel h2 {
  margin: 0 0 12px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ink);
  font-size: 21px;
}
.side-panel ol { margin: 0; padding: 0; list-style: none; counter-reset: rank; }
.side-panel li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  counter-increment: rank;
}
.side-panel li::before {
  content: counter(rank);
  color: var(--coral);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}
.section {
  grid-column: 1 / -1;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}
.section-head h2 { margin: 0; font-size: 28px; }
.section-head p { margin: 0; color: var(--muted); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}
.category-card {
  min-height: 190px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
}
.category-card:nth-child(2) { border-top-color: var(--coral); }
.category-card:nth-child(3) { border-top-color: var(--teal); }
.category-card:nth-child(4) { border-top-color: #7c3aed; }
.category-card:nth-child(5) { border-top-color: var(--gold); }
.category-card h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.3; }
.category-card p, .page-copy p, .footer p { color: var(--muted); }
.page {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 64px;
}
.page h1 {
  margin: 10px 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.12;
}
.page-copy {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
}
.page-copy h2 { margin-top: 30px; font-size: 24px; }
.page-copy ul { padding-left: 20px; }
.footer {
  border-top: 1px solid var(--line);
  background: #172033;
  color: #fff;
  padding: 34px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}
.footer nav { display: flex; flex-wrap: wrap; gap: 14px; }
.footer p { margin: 6px 0 0; color: #cbd5e1; }
@media (max-width: 960px) {
  .topbar-inner, .section-head, .footer-inner { align-items: flex-start; flex-direction: column; }
  .home { grid-template-columns: 1fr; }
  .hero { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 580px) {
  .container, .page { width: min(100% - 24px, 1088px); }
  .masthead { min-height: 136px; }
  .category-inner { gap: 18px; }
  .hero-copy h1, .page h1 { font-size: 34px; }
  .category-grid { grid-template-columns: 1fr; }
  .page-copy { padding: 22px; }
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.article-card {
  background: #fff;
  border: 1px solid var(--line);
}
.article-thumb {
  display: block;
  overflow: hidden;
}
.article-thumb img,
.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-card span,
.article-card h3,
.article-card p {
  margin-left: 18px;
  margin-right: 18px;
}
.article-card span {
  display: inline-block;
  margin-top: 16px;
}
.article-card h3 {
  margin-top: 8px;
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.35;
}
.article-card p {
  margin-bottom: 18px;
  color: var(--muted);
}
.article-page {
  width: min(900px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 64px;
}
.article-body h1 {
  margin: 10px 0 14px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.14;
}
.article-summary {
  color: var(--muted);
  font-size: 18px;
}
.article-hero-image {
  display: block;
  width: 100%;
  margin: 24px 0;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
}
figure {
  margin: 30px 0;
}
figure img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
}
figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.page-articles {
  margin-top: 24px;
}
@media (max-width: 900px) {
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 580px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
}