:root {
  --ink: #10233f;
  --muted: #5a6b80;
  --accent: #0d7c66;
  --accent-2: #2454d6;
  --line: rgba(16, 35, 63, 0.12);
  --soft: #eef8f5;
  --paper: #ffffff;
  --wash: #f6f9fc;
  --shadow: 0 20px 55px rgba(16, 35, 63, 0.11);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--wash);
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent-2); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  z-index: 20;
}
.skip-link:focus { left: 12px; }

.container {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 850;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.94rem;
}

.hero {
  padding: 42px 0 30px;
  background: linear-gradient(180deg, #ffffff 0%, #eef8f5 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.75fr);
  gap: 34px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.11em;
}

h1, h2, h3 { line-height: 1.16; }
h1 { margin: 0 0 18px; font-size: 4.35rem; letter-spacing: 0; }
h2 { margin: 0 0 14px; font-size: 1.65rem; }
h3 { margin: 0 0 8px; font-size: 1.12rem; }

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 760px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-weight: 800;
}

.btn-primary {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.hero-card,
.card,
.sidebar-card,
.article-card,
.tool-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 26px;
}

.hero-visual {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.search-input {
  width: min(320px, 100%);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

.stat-grid,
.category-grid,
.article-grid,
.decision-grid,
.tool-grid {
  display: grid;
  gap: 18px;
}

.stat-grid { grid-template-columns: repeat(3, 1fr); margin-top: 22px; }
.stat { padding: 18px; border-radius: 8px; background: #fff; border: 1px solid var(--line); }
.stat strong { display: block; font-size: 1.55rem; }
.stat span { color: var(--muted); font-size: 0.92rem; }

main { padding: 34px 0; }
.section { margin: 0 0 34px; }
.section-head { display: flex; justify-content: space-between; gap: 22px; align-items: end; margin-bottom: 18px; }
.section-head p { max-width: 690px; color: var(--muted); margin: 0; }

.breadcrumbs {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.breadcrumbs a {
  color: var(--accent-2);
}

.category-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.decision-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 20px 0; }
.tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card,
.article-card,
.tool-panel { padding: 22px; }

.article-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.article-card p,
.card p,
.tool-panel p { margin: 0; color: var(--muted); }

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

.review-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.review-strip span {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 0.9rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent);
  font-weight: 800;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 28px;
  align-items: start;
}

.article-body {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.article-body p { color: var(--muted); }
.article-body ul, .article-body ol { color: var(--muted); padding-left: 22px; }
.article-body li + li { margin-top: 7px; }

.toc-card {
  margin: 20px 0 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfd;
}

.toc-card strong {
  display: block;
  margin-bottom: 10px;
}

.toc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toc-links a {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.article-hero {
  margin-bottom: 26px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.callout {
  margin: 22px 0;
  padding: 18px;
  border-left: 4px solid var(--accent);
  background: var(--soft);
  border-radius: 8px;
}

.table-wrap {
  overflow-x: auto;
  margin: 22px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

th, td {
  padding: 13px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
}

.sidebar {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 18px;
}

.sidebar-card {
  padding: 20px;
}

.sidebar-card ul {
  margin: 0;
  padding-left: 19px;
  color: var(--muted);
}

.criteria-list li strong {
  color: var(--ink);
}

.faq-block h3 {
  margin-top: 18px;
}

.hub-intro {
  margin-top: 22px;
}

.footer {
  margin-top: 34px;
  padding: 34px 0;
  background: #0e213c;
  color: #dce8f6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 26px;
}

.footer a { color: #dce8f6; display: block; margin: 6px 0; }
.footer p { color: #b9c7da; }

.notice {
  padding: 14px 16px;
  background: #fff7e8;
  border: 1px solid rgba(160, 112, 28, 0.26);
  border-radius: 8px;
  color: #6d4a10;
}

.editor-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  background: #f3f7ff;
  border: 1px solid rgba(36, 84, 214, 0.18);
  border-radius: 8px;
  color: #355074;
}

@media (max-width: 980px) {
  .hero-grid,
  .layout,
  .footer-grid,
  .category-grid,
  .article-grid,
  .decision-grid,
  .tool-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

	  .section-head { display: block; }
	  .sidebar { position: static; }
	  .nav { align-items: start; flex-direction: column; padding: 14px 0; }
	  .nav-links { gap: 12px; }
	  h1 { font-size: 2.35rem; }
	  .review-strip { grid-template-columns: 1fr; }
	  .article-body { padding: 24px; }
	}