:root {
  --bg: #ffffff;
  --bg-elevated: #ffffff;
  --bg-soft: #f5f5f7;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.16);
  --accent: #0f4c81;
  --accent-soft: rgba(15, 76, 129, 0.06);
  --accent-strong: rgba(15, 76, 129, 0.09);
  --accent-text: #0f4c81;
  --text-main: #0b1120;
  --text-muted: #4b5563;
  --text-softer: #6b7280;
  --text-softest: #9ca3af;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.06);
  --radius-card: 18px;
  --radius-pill: 999px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.75rem 4rem;
}

@media (min-width: 960px) {
  .page {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.75rem 4rem;
}
}

.top-nav {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.brand-mark {
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-main);
}

.brand-tagline {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-softest);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  font-size: 0.9rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-softer);
  padding-bottom: 0.25rem;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--accent);
  border-bottom-color: var(--accent-soft);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 2.5rem;
  align-items: flex-start;
  margin-bottom: 2.5rem;
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }
}

.hero-title {
  font-size: clamp(2rem, 2.65vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: 0.015em;
  margin: 0 0 1.1rem 0;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  color: var(--text-softest);
  margin-bottom: 0.6rem;
}

.hero-lead {
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

.hero-side-card {
  background: var(--bg-soft);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--border-subtle);
}

.hero-side-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-softest);
  margin-bottom: 0.5rem;
}

.hero-side-title {
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.hero-side-body {
  font-size: 0.9rem;
  color: var(--text-softer);
  margin-bottom: 0.75rem;
}

.hero-side-meta {
  font-size: 0.8rem;
  color: var(--text-softest);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.pill {
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
  color: var(--text-softest);
  background: #ffffff;
}

.section {
  margin: 3.6rem 0;
}

.section-header {
  margin-bottom: 1rem;
}

.section-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-softest);
  margin-bottom: 0.35rem;
}

.section-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
}

.section-lead {
  font-size: 0.98rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

p {
  margin: 0 0 0.9rem 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

ul, ol {
  margin: 0.15rem 0 0.95rem 1.1rem;
  padding: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-softer);
}

li + li {
  margin-top: 0.2rem;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration: underline;
}

.columns-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.2fr);
  gap: 1.75rem;
}

@media (max-width: 800px) {
  .columns-2 {
    grid-template-columns: minmax(0, 1fr);
  }
}

.card {
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow-soft);
}

.card-header {
  margin-bottom: 0.5rem;
}

.card-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-softest);
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.card-meta {
  font-size: 0.82rem;
  color: var(--text-softest);
  margin-top: 0.4rem;
}

.card-body {
  font-size: 0.94rem;
  color: var(--text-softer);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.38rem;
  margin-top: 0.6rem;
}

.badge {
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 0.76rem;
  padding: 0.25rem 0.65rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.65rem;
  font-size: 0.9rem;
}

.table th,
.table td {
  padding: 0.55rem 0.25rem;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-softest);
}

.table td {
  color: var(--text-softer);
}

.diagram-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  gap: 1.75rem;
}

@media (max-width: 860px) {
  .diagram-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.diagram-box {
  border-radius: var(--radius-card);
  border: 1px solid var(--border-subtle);
  padding: 1.1rem 1.15rem;
  background: #ffffff;
}

.diagram-title {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.45rem;
}

.diagram-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.85rem;
  margin-top: 0.4rem;
}

.diagram-chip {
  margin: 0 0 0.9rem 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

.diagram-arrow {
  font-size: 0.8rem;
  color: var(--text-softest);
  padding: 0.3rem 0.1rem;
}

.footer {
  border-top: 1px solid var(--border-subtle);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-softest);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer a {
  color: var(--text-softest);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.lead-list {
  margin-top: 0.35rem;
}

.lead-list li {
  color: var(--text-muted);
}

.small {
  font-size: 0.82rem;
  color: var(--text-softest);
}

.highlight-box {
  border-radius: var(--radius-card);
  border: 1px dashed var(--border-strong);
  padding: 1rem 1.1rem;
  background: #f9fafb;
  font-size: 0.9rem;
  color: var(--text-softer);
}

.contact-card {
  max-width: 580px;
}

@media (max-width: 800px) {
  .page {
    padding: 28px;
  }
  .section {
  margin: 3.6rem 0;
}
  p {
    line-height: 1.6;
  }
}

.card {
  margin-top: 0.4rem;
}

h2, .section-title, .card-title {
  letter-spacing: 0.008em;
}

a:hover {
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

ul, ol {
  margin-left: 1.15rem;
  padding-left: 0.2rem;
}