:root {
  --color-primary: #1A1F2E;
  --color-secondary: #5C6578;
  --color-tertiary: #9A6B4A;
  --color-neutral: #F7F5F2;
  --color-success: #2D6A4F;
  --color-surface: #FFFFFF;
  --color-on-primary: #FFFFFF;
  --color-on-tertiary: #FFFFFF;
  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 48px;
  --spacing-xxl: 96px;
  --max-width: 1120px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--color-primary);
  background: var(--color-neutral);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Header */
.site-header {
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid rgba(92, 101, 120, 0.2);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.wordmark {
  line-height: 1;
  text-decoration: none;
  display: block;
  color: inherit;
}

.wordmark-text {
  display: flex;
  flex-direction: column;
}

.wordmark-primary {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.wordmark-secondary {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--color-secondary);
  margin-top: 2px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md) var(--spacing-lg);
}

.nav-link {
  font-size: 1rem;
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:focus-visible,
.btn:focus-visible,
.contact-email:focus-visible,
a.card:focus-visible {
  outline: 2px solid var(--color-tertiary);
  outline-offset: 2px;
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

/* Hero */
.hero {
  background-color: var(--color-neutral);
  background-image:
    linear-gradient(rgba(26, 31, 46, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 31, 46, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  padding: var(--spacing-xxl) 0;
  text-align: left;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 18ch;
  margin-bottom: var(--spacing-lg);
}

.hero .subhead {
  font-size: 1.125rem;
  color: var(--color-secondary);
  max-width: 42ch;
  margin-bottom: var(--spacing-xl);
}

.hero-split {
  display: grid;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-visual {
  display: block;
  margin-top: var(--spacing-lg);
}

@media (min-width: 900px) {
  .hero-visual {
    margin-top: 0;
  }
}

.hero-flywheel.flywheel-diagram {
  max-width: none;
}

.hero-flywheel .flywheel-step {
  min-height: 3.75rem;
  padding: var(--spacing-sm) var(--spacing-xs);
}

.hero-flywheel .flywheel-step-title {
  font-size: 0.8125rem;
}

.hero-flywheel .flywheel-caption {
  max-width: none;
  text-align: center;
}

.hero-illustration,
.illustration {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(92, 101, 120, 0.12);
}

.card-icon,
.flywheel-step-icon,
.process-step-icon {
  display: block;
  margin-bottom: var(--spacing-sm);
}

.domain-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-neutral);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border-bottom: 1px solid rgba(92, 101, 120, 0.12);
}

.domain-card-icon-img,
.domain-hero-icon-img {
  display: block;
  margin: 0;
}

.hero-domain-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: var(--color-neutral);
  border-radius: var(--radius-md);
  border: 1px solid rgba(92, 101, 120, 0.12);
}

.domain-card-art {
  margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-md);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-neutral);
}

.domain-card-art .illustration {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
  border-radius: 0;
}

.hero-compact .hero-visual {
  display: block;
  max-width: 22rem;
  margin-top: var(--spacing-lg);
}

@media (min-width: 900px) {
  .hero-compact .hero-visual {
    margin-top: 0;
    max-width: none;
  }
}

.about-hero h1 {
  max-width: 42rem;
}

.about-content .philosophy-grid {
  margin-top: var(--spacing-md);
}

.about-content h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  background: var(--color-tertiary);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--color-tertiary);
  color: var(--color-on-tertiary);
}

.btn-primary:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* Cards */
.card {
  background: var(--color-surface);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid rgba(92, 101, 120, 0.12);
  transition: border-color 0.15s;
}

a.card:hover,
a.insight-card:hover,
a.vertical-card:hover {
  border-color: rgba(154, 107, 74, 0.45);
}

.card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.card p {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  line-height: 1.55;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .card-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }

  .card-grid.cols-3 {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .card-grid.cols-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .card-grid.cols-4 {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

/* Vertical cards */
.vertical-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
  border: 1px solid transparent;
}

.vertical-card:hover h4 {
  color: var(--color-tertiary);
}

.vertical-card:hover {
  border-color: rgba(154, 107, 74, 0.25);
}

/* Blockquote / value prop */
.blockquote {
  background: var(--color-surface);
  border-left: 3px solid var(--color-tertiary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--spacing-lg);
}

.blockquote p + p {
  margin-top: var(--spacing-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-secondary);
}

.blockquote p:first-child {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary);
}

/* CTA band */
.cta-band {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  text-align: center;
}

.cta-band h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.cta-band p {
  opacity: 0.85;
  margin-bottom: var(--spacing-lg);
  max-width: 40ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-band .btn-primary {
  background: var(--color-tertiary);
}

.cta-band .btn-primary:hover {
  background: var(--color-surface);
  color: var(--color-primary);
}

/* Footer */
.site-footer {
  background: var(--color-neutral);
  color: var(--color-secondary);
  font-size: 0.875rem;
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(92, 101, 120, 0.2);
  margin-top: var(--spacing-xl);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

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

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-meta {
  margin-top: var(--spacing-md);
  line-height: 1.5;
}

@media (max-width: 767px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .cta-band h2 {
    font-size: 1.75rem;
  }
}

/* Insights */
.nav-link-active {
  color: var(--color-primary);
  font-weight: 600;
}

.hero-compact {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.hero-compact h1 {
  max-width: none;
}

.insight-grid {
  margin-top: var(--spacing-md);
}

.insight-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
  border: 1px solid transparent;
}

.insight-card:hover h4 {
  color: var(--color-tertiary);
}

.insight-card:hover {
  border-color: rgba(154, 107, 74, 0.25);
}

.insight-card-date {
  font-size: 0.8125rem;
  margin-top: var(--spacing-sm);
  color: var(--color-secondary);
}

.insight-page {
  padding: var(--spacing-xl) 0;
}

.insight-back {
  margin-bottom: var(--spacing-lg);
  font-size: 0.9375rem;
}

.insight-back a {
  color: var(--color-secondary);
  text-decoration: none;
}

.insight-back a:hover {
  color: var(--color-primary);
}

.insight-header {
  margin-bottom: var(--spacing-xl);
  max-width: 48rem;
}

.insight-header h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

.insight-meta {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.insight-attribution {
  font-size: 0.9375rem;
  color: var(--color-secondary);
}

.insight-attribution a {
  color: var(--color-tertiary);
}

.insight-body {
  max-width: 42rem;
  font-size: 1.0625rem;
  line-height: 1.65;
}

.insight-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.insight-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.insight-body p {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.insight-body ul {
  margin: 0 0 var(--spacing-md) var(--spacing-lg);
  color: var(--color-primary);
}

.insight-body li {
  margin-bottom: var(--spacing-sm);
}

.insight-body a {
  color: var(--color-tertiary);
}

.insight-body strong {
  font-weight: 600;
}

.insights-more {
  margin-top: var(--spacing-lg);
  font-size: 1rem;
}

.insights-more a {
  color: var(--color-tertiary);
  text-decoration: none;
  font-weight: 500;
}

.insights-more a:hover {
  color: var(--color-primary);
}

.nav-link-active {
  color: var(--color-primary);
  font-weight: 600;
}

.breadcrumbs {
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.breadcrumbs a {
  color: var(--color-tertiary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  margin: 0 var(--spacing-xs);
  color: var(--color-secondary);
}

.domain-body,
.domain-content .domain-body {
  max-width: 42rem;
  font-size: 1.0625rem;
  line-height: 1.65;
}

.domain-body h2,
.insight-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin: var(--spacing-xl) 0 var(--spacing-md);
}

.domain-body h3,
.insight-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.domain-body p,
.domain-body ul {
  margin-bottom: var(--spacing-md);
}

.domain-body ul {
  margin-left: var(--spacing-lg);
}

.domain-body a {
  color: var(--color-tertiary);
}

.sub-area-links {
  margin-top: var(--spacing-xl);
}

.md-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
  font-size: 0.9375rem;
}

.md-table th,
.md-table td {
  border: 1px solid rgba(92, 101, 120, 0.25);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

.md-table th {
  background: var(--color-surface);
  font-weight: 600;
}

/* Flywheel */
.flywheel-diagram {
  max-width: 56rem;
}

.flywheel-flow {
  display: flex;
  flex-direction: column;
}

.flywheel-steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: var(--spacing-sm);
  align-items: stretch;
  margin: 0;
  padding: 0;
}

.flywheel-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 4.5rem;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}

.flywheel-step-title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-primary);
}

.flywheel-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-tertiary);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1;
}

.flywheel-connector::before {
  content: "→";
}

.flywheel-loopback {
  display: block;
  width: 100%;
  height: 2.25rem;
  margin-top: 2px;
  overflow: visible;
}

.flywheel-caption {
  margin-top: var(--spacing-md);
  font-size: 0.9375rem;
  color: var(--color-secondary);
  max-width: 36rem;
}

@media (max-width: 767px) {
  .flywheel-steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .flywheel-connector::before {
    content: "↓";
  }

  .flywheel-connector {
    padding: var(--spacing-xs) 0;
  }

  .flywheel-loopback {
    display: none;
  }
}

/* Ownership */
.ownership-section .ownership-table {
  max-width: 48rem;
}

.current-focus-card {
  max-width: 42rem;
}

.current-focus-links {
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

/* Contact */
.contact-block {
  max-width: 42rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
}

.contact-block h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.contact-block p {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.55;
}

.contact-email {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-tertiary);
  text-decoration: none;
}

.contact-email:hover {
  color: var(--color-primary);
}

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

.footer-meta a:hover {
  color: var(--color-primary);
}

.about-content .domain-body .blockquote {
  margin: var(--spacing-lg) 0;
}

/* Insight topic tags */
.insight-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.insight-header .insight-tags {
  margin-bottom: var(--spacing-md);
}

.insight-tag,
.label-caps {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-tertiary);
  background: rgba(154, 107, 74, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem;
}

/* Related insights */
.related-insights {
  background: var(--color-surface);
  border-top: 1px solid rgba(92, 101, 120, 0.15);
}

.related-insights-list {
  display: grid;
  gap: var(--spacing-md);
  max-width: 48rem;
}

.related-insight-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.related-insight-card h4 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.related-insight-card p {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  line-height: 1.5;
}

.related-insight-card:hover h4 {
  color: var(--color-tertiary);
}

/* Process & workflow steps */
.process-steps-list,
.workflow-steps .process-steps-list {
  list-style: none;
  display: grid;
  gap: var(--spacing-sm);
  align-items: stretch;
  margin: 0;
  padding: 0;
}

.process-steps .process-steps-list {
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
}

.workflow-section .process-steps-list {
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-xs);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid rgba(92, 101, 120, 0.15);
}

.process-step-icon {
  margin-bottom: var(--spacing-xs);
}

.process-step-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.process-step-detail {
  font-size: 0.875rem;
  color: var(--color-secondary);
  line-height: 1.45;
}

.process-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-tertiary);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1;
}

.process-connector::before {
  content: "→";
}

.workflow-section .process-step {
  text-align: center;
  padding: var(--spacing-md);
}

.workflow-section .process-step-label {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
}

.workflow-section .process-step-detail {
  display: none;
}

@media (max-width: 767px) {
  .process-steps .process-steps-list,
  .workflow-section .process-steps-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .process-connector::before {
    content: "↓";
  }

  .process-connector {
    padding: var(--spacing-xs) 0;
  }
}

/* Wellis / product pages */
.hero-product-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.product-hero-logo-img {
  display: block;
  width: min(280px, 100%);
  height: auto;
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(26, 31, 46, 0.08);
}

.product-features {
  padding-top: 0;
}

.product-feature-card h4 {
  margin-bottom: var(--spacing-xs);
}

.product-content {
  padding-top: var(--spacing-lg);
}

.product-privacy-page .insight-body h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.product-privacy-page .insight-body h2:first-child {
  margin-top: 0;
}