:root {
  --ink: #14202b;
  --muted: #5c6a75;
  --line: #d9e0e5;
  --soft: #f5f7f8;
  --soft-blue: #edf4f6;
  --brand: #194f5e;
  --brand-dark: #103943;
  --white: #ffffff;

  --max-width: 1160px;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(20, 32, 43, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.narrow {
  max-width: 840px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(217, 224, 229, 0.8);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--brand);
  color: var(--white);
  font-weight: 800;
}

nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

nav a {
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 600;
  text-decoration: none;
}

nav a:hover,
.text-link:hover {
  color: var(--brand);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  background: var(--brand);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

.button:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.button-small {
  min-height: 40px;
  padding-inline: 17px;
  font-size: 0.92rem;
}

.hero {
  padding: 110px 0 96px;
  background:
    radial-gradient(circle at 85% 20%, rgba(25, 79, 94, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f8fafb 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 850px;
  margin-bottom: 26px;
  font-size: clamp(2.7rem, 6vw, 5.2rem);
  font-weight: 780;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 750;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

p {
  margin-top: 0;
}

.hero-copy {
  max-width: 730px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.65;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.text-link {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.microcopy {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.card-label {
  margin-bottom: 20px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.check-list,
.scope-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.scope-card li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--line);
}

.check-list li:last-child,
.scope-card li:last-child {
  border-bottom: 0;
}

.check-list li::before {
  position: absolute;
  left: 0;
  color: var(--brand);
  content: "✓";
  font-weight: 800;
}

.section {
  padding: 100px 0;
}

.problem-section {
  border-top: 1px solid var(--line);
}

.section-lead {
  color: var(--muted);
  font-size: 1.2rem;
}

.section-heading {
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 60px;
  align-items: end;
}

.section-heading > p {
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
}

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

.number {
  display: block;
  margin-bottom: 42px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
}

.alt-section {
  background: var(--soft);
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 26px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.process-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.process-list > li > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: var(--white);
  font-weight: 800;
}

.process-list p {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--muted);
}

.scope-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 70px;
}

.scope-grid > div:first-child > p:last-child {
  color: var(--muted);
}

.scope-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.scope-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.scope-card.included {
  background: var(--soft-blue);
}

.scope-card.excluded {
  background: var(--soft);
}

.scope-card li {
  padding-left: 24px;
}

.scope-card.included li::before,
.scope-card.excluded li::before {
  position: absolute;
  left: 0;
  font-weight: 800;
}

.scope-card.included li::before {
  color: var(--brand);
  content: "✓";
}

.scope-card.excluded li::before {
  color: var(--muted);
  content: "—";
}

.audience-grid,
.data-grid,
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
}

.audience-list > div {
  padding: 0 0 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.audience-list > div:last-child {
  margin-bottom: 0;
}

.audience-list p,
.data-grid > div:last-child,
.about-grid > div:last-child {
  color: var(--muted);
}

.data-section {
  background: var(--brand-dark);
  color: var(--white);
}

.data-section .eyebrow {
  color: #a7d1d9;
}

.data-section .data-grid > div:last-child {
  color: #d6e2e5;
}

.synthetic-note {
  padding: 18px 20px;
  border-left: 3px solid var(--brand);
  background: var(--soft);
  color: var(--ink);
}

.cta-section {
  padding: 90px 0;
  background: var(--brand);
  color: var(--white);
}

.cta-section .eyebrow {
  color: #b9dbe1;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 70px;
  align-items: center;
}

.button-light {
  background: var(--white);
  color: var(--brand-dark);
}

.button-light:hover {
  background: #edf4f6;
  color: var(--brand-dark);
}

.cta-inner > div:last-child p {
  margin: 15px 0 0;
  color: #d7e6e9;
  font-size: 0.9rem;
}

.site-footer {
  padding: 28px 0;
  background: #0d2931;
  color: #cdd9dc;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: inherit;
}

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .hero {
    padding: 78px 0 70px;
  }

  .hero-grid,
  .section-heading,
  .scope-grid,
  .audience-grid,
  .data-grid,
  .about-grid,
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 76px 0;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 30px), var(--max-width));
  }

  .site-header .button-small {
    display: none;
  }

  .nav {
    min-height: 64px;
  }

  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2.15rem;
  }

  .hero-grid {
    gap: 44px;
  }

  .hero-card {
    padding: 24px;
  }

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

  .feature-card {
    min-height: auto;
  }

  .process-list li {
    grid-template-columns: 48px 1fr;
    gap: 16px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
  }
}