:root {
  --navy: #0F1E2E;
  --teal: #0E4D4B;
  --white: #FFFFFF;
  --ink: #1D2A38;
  --muted: #607080;
  --line: #DDE4E8;
  --wash: #F6F8F8;
  --teal-wash: #F0F5F4;
  --max: 1180px;
  --radius: 18px;
  --shadow: 0 22px 55px rgba(15, 30, 46, 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, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  transform: translateY(-160%);
  z-index: 1000;
  padding: 10px 14px;
  background: var(--navy);
  color: var(--white);
  border-radius: 8px;
  text-decoration: none;
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(221,228,232,.85);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand { display: inline-flex; align-items: center; }
.brand img { width: 190px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 650; }
.site-nav a { text-decoration: none; color: #344657; }
.site-nav a:hover { color: var(--teal); }
.nav-cta {
  border: 1px solid var(--navy);
  border-radius: 999px;
  padding: 9px 16px;
}

.hero {
  padding: 110px 0 104px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(340px, .7fr);
  gap: 90px;
  align-items: center;
}
.eyebrow, .section-kicker, .card-label {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero h1, .section h2, .contact-section h2 {
  color: var(--navy);
  letter-spacing: -0.04em;
  line-height: 1.08;
}
.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 760;
}
.hero-lede {
  max-width: 760px;
  margin: 28px 0 0;
  color: #48596A;
  font-size: 20px;
  line-height: 1.62;
}
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--navy); color: var(--white); }
.button-primary:hover { background: #172b40; }
.text-link { color: var(--teal); font-weight: 750; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.capabilities-line { margin: 28px 0 0; color: var(--muted); font-size: 14px; font-weight: 650; letter-spacing: .01em; }

.principle-card {
  position: relative;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}
.principle-card::before {
  content: "";
  position: absolute;
  inset: 10px auto 10px 0;
  width: 3px;
  border-radius: 999px;
  background: var(--teal);
}
.principle { margin: 0; color: var(--navy); font-size: 31px; font-weight: 760; line-height: 1.22; letter-spacing: -.025em; }
.principle span { color: var(--teal); }
.principle-rule { height: 1px; background: var(--line); margin: 28px 0 24px; }
.principle-note { margin: 0; color: #596A79; font-size: 15px; }

.section { padding: 100px 0; }
.section-tinted { background: var(--wash); }
.split-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.section h2, .contact-section h2 { margin: 0; font-size: clamp(36px, 4.1vw, 54px); font-weight: 750; }
.section-copy { max-width: 690px; }
.section-copy p { margin: 0 0 20px; }
.section-copy p:last-child { margin-bottom: 0; }
.emphasis-line { padding-left: 20px; border-left: 3px solid var(--teal); color: var(--navy); font-weight: 700; }

.section-heading { max-width: 810px; margin-bottom: 54px; }
.section-heading.compact { max-width: 760px; }
.section-heading > p:last-child { margin: 22px 0 0; color: var(--muted); font-size: 18px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #CBD5DA; }
.step { padding: 28px 26px 0 0; }
.step + .step { padding-left: 26px; border-left: 1px solid #CBD5DA; }
.step-number { display: block; margin-bottom: 34px; color: var(--teal); font-weight: 800; font-size: 13px; letter-spacing: .08em; }
.step h3, .pillar h3 { margin: 0 0 12px; color: var(--navy); font-size: 21px; line-height: 1.3; }
.step p, .pillar p { margin: 0; color: #607080; font-size: 15px; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pillar { padding: 30px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.pillar::before { content: ""; display: block; width: 28px; height: 2px; margin-bottom: 25px; background: var(--teal); }

.audience-section { background: var(--navy); color: #DDE6EC; }
.audience-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 92px; align-items: start; }
.audience-section h2 { color: var(--white); }
.section-kicker.light { color: #79A8A6; }
.audience-copy { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.audience-card { padding: 28px; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: rgba(255,255,255,.035); }
.audience-card h3 { margin: 0 0 12px; color: var(--white); font-size: 21px; line-height: 1.3; }
.audience-card p { margin: 0; color: #C7D3DA; font-size: 15px; }

.contact-section { padding: 88px 0; background: var(--teal-wash); }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.contact-card > div { max-width: 780px; }
.contact-card p:last-child { margin: 18px 0 0; color: #607080; }

.site-footer { padding: 58px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 50px; }
.footer-brand img { width: 165px; height: auto; margin-bottom: 16px; }
.footer-brand p { max-width: 420px; margin: 0; color: var(--muted); font-size: 14px; }
.footer-meta { text-align: right; color: var(--muted); font-size: 14px; }
.footer-meta a { color: var(--teal); font-weight: 750; text-decoration: none; }
.footer-meta a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer-meta p { margin: 9px 0 0; }
.social-links { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; }
.social-links a { color: #536574; font-size: 13px; font-weight: 700; }
.social-links a:hover { color: var(--teal); }


/* Privacy page: uses the existing EvidenceKeep visual system. */
.legal-page { background: var(--white); }
.legal-hero { padding-top: 86px; }
.legal-container { max-width: 820px; }
.legal-container h1 { margin: 0; color: var(--navy); font-size: clamp(44px, 6vw, 68px); line-height: 1.05; letter-spacing: -0.035em; }
.legal-updated { margin: 14px 0 34px; color: var(--muted); font-size: 14px; }
.legal-container h2 { margin: 44px 0 12px; color: var(--navy); font-size: 24px; line-height: 1.25; }
.legal-container p { color: #536574; }
.legal-container a { color: var(--teal); font-weight: 700; }
.footer-legal { margin-top: 12px !important; }

:focus-visible { outline: 3px solid #2B7C78; outline-offset: 3px; }

@media (max-width: 940px) {
  .site-nav a:not(.nav-cta) { display: none; }
  .hero { padding: 78px 0 78px; }
  .hero-grid, .split-grid, .audience-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero-grid { gap: 50px; }
  .principle-card { max-width: 680px; }
  .steps { grid-template-columns: repeat(2, 1fr); border-top: 0; gap: 0; }
  .step { padding: 28px 28px 34px 0; border-top: 1px solid #CBD5DA; }
  .step + .step { padding-left: 28px; }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .pillars { grid-template-columns: 1fr; }
  .contact-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 700px) {
  .audience-copy { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 36px), var(--max)); }
  .header-inner { min-height: 68px; }
  .brand img { width: 158px; }
  .nav-cta { padding: 8px 12px; font-size: 14px; }
  .hero { padding: 64px 0 62px; }
  .hero h1 { font-size: clamp(42px, 13vw, 58px); }
  .hero-lede { margin-top: 22px; font-size: 18px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 16px; }
  .button { width: 100%; }
  .text-link { align-self: flex-start; }
  .principle-card { padding: 28px; }
  .principle { font-size: 27px; }
  .section { padding: 74px 0; }
  .split-grid, .audience-grid { gap: 34px; }
  .section-heading { margin-bottom: 36px; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step, .step:nth-child(3) { padding: 24px 0 30px; border-left: 0; border-top: 1px solid #CBD5DA; }
  .step-number { margin-bottom: 20px; }
  .contact-section { padding: 68px 0; }
  .footer-inner { flex-direction: column; gap: 30px; }
  .footer-meta { text-align: left; }
  .social-links { justify-content: flex-start; }
}

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