:root {
  --color-primary: #1e40af;
  --color-primary-hover: #1e3a8a;
  --color-primary-dark: #1e3a8a;
  --color-secondary: #374151;
  --color-white: #ffffff;
  --color-background: #ffffff;
  --color-background-secondary: #f8fafc;
  --color-background-tertiary: #f1f5f9;
  --color-text-primary: #0f172a;
  --color-text-secondary: #1e293b;
  --color-text-tertiary: #334155;
  --color-text-muted: #475569;
  --color-border: #cbd5e1;
  --color-border-light: #e2e8f0;
  --color-shadow-light: rgba(15, 23, 42, 0.06);
  --color-shadow-medium: rgba(15, 23, 42, 0.12);
  --font-family-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal);
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(57, 88, 125, 0.2);
  box-shadow: 0 1px 3px rgba(57, 88, 125, 0.1);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  text-decoration: none;
}

.logo-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #39587d 0%, #1e40af 60%, #00a2e8 100%);
  box-shadow: 0 10px 20px -12px var(--color-shadow-medium);
  overflow: hidden;
}

.logo-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-copy {
  display: grid;
  line-height: 1.05;
}

.logo-copy strong {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-copy small {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  margin-left: auto;
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  padding: 10px 12px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 15px;
}

.top-nav a:hover {
  color: var(--color-primary);
  background: rgba(30, 64, 175, 0.06);
  text-decoration: none;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 12px;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  font-weight: 700;
  box-shadow: 0 8px 18px -12px rgba(30, 64, 175, 0.6);
}

.header-cta:hover {
  color: var(--color-white);
  text-decoration: none;
  transform: translateY(-1px);
}

main.shell {
  padding: 32px 0 16px;
}

.hero {
  margin: 0 0 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.8fr);
  gap: 48px;
  align-items: center;
  min-height: 500px;
  background: linear-gradient(135deg, var(--color-background-secondary) 0%, var(--color-background-tertiary) 100%);
  border-radius: 24px;
  padding: 48px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.1) 0%, rgba(0, 162, 232, 0.1) 100%);
  pointer-events: none;
}

.hero-content,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-badge,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(30, 64, 175, 0.08);
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(30, 64, 175, 0.14);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 20px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
}

.hero h1 span {
  display: block;
  background: linear-gradient(135deg, var(--color-primary) 0%, #00a2e8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead {
  color: var(--color-text-secondary);
  font-size: 20px;
  line-height: 1.6;
  max-width: 70ch;
  margin: 0 0 28px;
}

.hero-trust {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 22px;
  border-radius: 12px;
  border: 2px solid var(--color-primary-dark);
  color: var(--color-primary-dark);
  background: rgba(255, 255, 255, 0.92);
  font-weight: 700;
  transition: all var(--transition-normal);
}

.button-primary {
  color: var(--color-white);
  border-color: transparent;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  box-shadow: 0 4px 14px rgba(30, 64, 175, 0.28);
}

.button-secondary:hover,
.button:hover {
  text-decoration: none;
  transform: translateY(-2px);
  color: var(--color-white);
  background: var(--color-primary-dark);
}

.button-primary:hover {
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
}

.button-block {
  width: 100%;
}

.doc-stack {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 4 / 5;
  margin: 0 auto;
}

.doc-card {
  position: absolute;
  width: 78%;
  left: 0;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0 30px 60px -25px var(--color-shadow-medium), 0 12px 24px -10px var(--color-shadow-light);
  padding: 22px 24px 24px;
  display: grid;
  gap: 14px;
}

.doc-card header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.doc-card small,
.summary-kicker {
  display: block;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.doc-card strong {
  display: block;
  font-size: 14px;
  line-height: 1.3;
}

.doc-card-front {
  z-index: 3;
  top: 36px;
}

.doc-card-mid {
  z-index: 2;
  top: 18px;
  left: 11%;
  transform: rotate(-3deg);
}

.doc-card-back {
  z-index: 1;
  top: 0;
  left: 22%;
  transform: rotate(6deg) translateY(8px);
  opacity: 0.92;
}

.doc-lines {
  display: grid;
  gap: 8px;
}

.doc-lines span {
  height: 8px;
  width: 100%;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
}

.doc-lines .accent {
  background: rgba(30, 64, 175, 0.22);
}

.doc-lines .short {
  width: 58%;
}

.doc-card footer {
  display: flex;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px dashed var(--color-border-light);
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 700;
}

.doc-badge {
  position: absolute;
  right: 5%;
  bottom: -12px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  box-shadow: 0 12px 24px -10px var(--color-shadow-medium);
  font-size: 13px;
  font-weight: 700;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card,
.article-section,
.cta-box,
.page-header,
.article-header,
.summary-card,
.feature-card,
.trust-panel,
.router-section {
  background: var(--color-background);
  border: 1px solid var(--color-border-light);
  border-radius: 20px;
  box-shadow: 0 18px 38px -28px var(--color-shadow-medium);
}

.card,
.article-section,
.cta-box,
.page-header,
.article-header,
.summary-card,
.feature-card,
.trust-panel,
.router-section {
  padding: 24px;
}

.card h3 {
  margin-top: 0;
}

.content-section,
.router-section,
.trust-panel {
  margin: 56px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 28px;
}

.section-header h2,
.page-header h1,
.article-header h1,
.article-section h2,
.cta-box h2,
.summary-card h2,
.card h2 {
  margin: 0 0 12px;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 38px);
}

.section-header p,
.muted {
  color: var(--color-text-muted);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
}

.article-main {
  min-width: 0;
}

.article-aside {
  position: sticky;
  top: 110px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--color-text-muted);
  font-size: 14px;
  margin: 8px 0 20px;
}

.article-header h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
}

.article-section,
.cta-box,
.article-header {
  margin-bottom: 20px;
}

.article-section p {
  color: var(--color-text-secondary);
  font-size: 18px;
}

.key-answer {
  border-color: rgba(30, 64, 175, 0.18);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.06), rgba(0, 162, 232, 0.05));
}

.cta-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.cta-box p,
.cta-box h2 {
  color: var(--color-white);
}

.summary-card {
  display: grid;
  gap: 16px;
}

.summary-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.summary-card li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.summary-note {
  color: var(--color-text-muted);
  font-size: 14px;
}

.article-section ul,
.article-section ol,
.card ul {
  padding-left: 20px;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.feature-card h3 {
  margin: 12px 0 8px;
}

.feature-card p {
  color: var(--color-text-muted);
}

.link-list {
  margin: 0;
  padding-left: 20px;
}

.article-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.article-card:hover,
.category-card:hover,
.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: 0 20px 35px -24px var(--color-shadow-medium);
}

.faq-card dl,
.faq-card dt,
.faq-card dd {
  margin: 0;
}

.faq-card dl > div + div {
  margin-top: 14px;
}

.faq-card dt {
  font-weight: 700;
  margin-bottom: 6px;
}

.disclaimer {
  background: var(--color-background-secondary);
}

.empty {
  margin: 0;
}

.icon,
.nav-icon,
.feature-icon,
.summary-icon,
.doc-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-icon,
.icon {
  width: 18px;
  height: 18px;
}

.feature-icon,
.summary-icon,
.doc-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--color-primary);
  background: rgba(30, 64, 175, 0.1);
}

.icon::before,
.nav-icon::before,
.feature-icon::before,
.summary-icon::before,
.doc-icon::before {
  font-size: 0.95em;
  line-height: 1;
}

.icon-scale::before { content: "S"; font-weight: 800; }
.icon-shield::before { content: "✓"; }
.icon-calc::before { content: "∑"; }
.icon-file::before { content: "□"; }
.icon-gavel::before { content: "§"; }
.icon-book::before { content: "≡"; }
.icon-list::before { content: "☰"; }
.icon-check::before { content: "✓"; }

.site-footer {
  margin-top: 64px;
}

.site-footer__inner {
  padding: 40px 24px;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-background-secondary) 0%, var(--color-background-tertiary) 100%);
  border-radius: 16px 16px 0 0;
}

.footer-columns {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(140px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand-title,
.footer-column-title {
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--color-text-primary);
}

.footer-brand p,
.footer-bottom,
.footer-column a {
  color: var(--color-text-muted);
  font-size: 14px;
}

.footer-column {
  display: grid;
  gap: 8px;
  align-content: start;
}

.footer-column-title {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-light);
}

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

  .article-aside {
    position: static;
  }

  .top-nav {
    display: none;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 24px, 1120px);
  }

  .site-header__inner {
    align-items: flex-start;
    gap: 14px;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .page-header,
  .article-header,
  .article-section,
  .cta-box,
  .card {
    border-radius: 18px;
    padding: 20px;
  }

  .hero {
    margin-top: 12px;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}