:root {
  --bg: #f5f8f7;
  --surface: #ffffff;
  --surface-soft: #eef5f3;
  --border: #d9e5e1;
  --ink: #10211f;
  --ink-soft: #334744;
  --muted: #60726e;
  --brand: #0f766e;
  --brand-dark: #0b514c;
  --brand-soft: #dff3ef;
  --accent: #c76a1b;
  --success: #157f55;
  --danger: #b3372b;
  --shadow: 0 18px 48px rgba(16, 33, 31, 0.09);
  --radius: 8px;
  --font-sans: "Inter", "Segoe UI", "Aptos", "Helvetica Neue", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a:hover {
  color: var(--brand-dark);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.3);
  outline-offset: 3px;
}

.page-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0 18px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-lockup:hover {
  color: var(--ink);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--brand);
  color: #ffffff;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.eyebrow,
.kicker {
  margin: 0;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-tagline {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--brand);
  border-radius: 6px;
  background: var(--surface);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.header-cta:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
}

.article {
  margin: 0 auto;
}

.hero {
  max-width: 860px;
  padding: 44px 0 34px;
}

.hero .kicker {
  margin-bottom: 14px;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(34px, 5.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.lede {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.7;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.toc {
  max-width: 860px;
  margin: 0 0 40px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(16, 33, 31, 0.04);
}

.toc strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.toc ol {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.toc li {
  counter-increment: toc;
}

.toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.toc a::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

.toc a:hover {
  color: var(--brand);
}

.article > section:not(.final-cta) {
  max-width: 860px;
  padding-top: 30px;
}

.article h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.article h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.35;
}

.article p,
.article li {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.75;
}

.article ul,
.article ol {
  padding-left: 22px;
}

.article li {
  margin: 8px 0;
}

.article ul li::marker,
.article ol li::marker {
  color: var(--brand);
}

.callout {
  max-width: 860px;
  margin: 22px 0 0;
  padding: 18px 20px;
  border-left: 4px solid var(--brand);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--brand-soft);
}

.callout p {
  margin: 0;
  color: var(--ink-soft);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.card h3 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
}

.card-positive {
  border-top: 4px solid var(--success);
}

.card-positive h3 {
  color: var(--success);
}

.card-negative {
  border-top: 4px solid var(--danger);
}

.card-negative h3 {
  color: var(--danger);
}

.escalation-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.escalation-row span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.escalation-row strong {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-left: auto;
  padding: 0 14px;
  border-radius: 6px;
  background: var(--brand);
  color: #ffffff;
  font-size: 14px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

details summary {
  cursor: pointer;
  padding: 16px 18px;
  color: var(--ink);
  font-weight: 700;
  list-style-position: outside;
}

details summary::-webkit-details-marker {
  color: var(--brand);
}

details p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: center;
  max-width: 980px;
  margin: 44px 0 0;
  padding: 32px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 255, 255, 0.14), transparent 34%),
    linear-gradient(135deg, #0f766e 0%, #0a5f5a 100%);
  color: #ffffff;
  box-shadow: var(--shadow);
}

.final-cta .kicker {
  color: #b7f2e7;
}

.final-cta h2 {
  margin: 8px 0 12px;
  color: #ffffff;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.final-cta-copy p:not(.kicker) {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  line-height: 1.7;
}

.primary-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 132px;
  padding: 20px 24px;
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--brand-dark);
  box-shadow: 0 14px 34px rgba(6, 50, 47, 0.28);
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.primary-cta:hover {
  background: #f0faf8;
  color: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(6, 50, 47, 0.34);
}

.primary-cta span {
  font-size: 20px;
  font-weight: 800;
}

.primary-cta small {
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  margin-top: 44px;
  padding: 18px 0 8px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .page-shell {
    padding: 18px;
  }

  .hero {
    padding-top: 30px;
  }

  .hero h1 {
    font-size: clamp(32px, 8vw, 42px);
  }

  .lede {
    font-size: 17px;
  }

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

  .escalation-row strong {
    margin-left: 0;
  }

  .final-cta {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .primary-cta {
    min-height: 112px;
  }
}

@media (max-width: 520px) {
  .page-shell {
    padding: 14px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-cta {
    width: 100%;
    justify-content: center;
  }

  .hero-meta {
    gap: 8px;
  }

  .toc {
    padding: 16px;
  }

  .article > section,
  .final-cta {
    margin-top: 34px;
  }

  .final-cta {
    padding: 22px;
  }

  .primary-cta span {
    font-size: 18px;
  }
}