:root {
  --navy: #10264B;
  --navy-2: #1A3563;
  --teal: #0CAFAF;
  --teal-ink: #07777A;
  --white: #FFFFFF;
  --mist: #EEF3F7;
  --ink-2: #47586F;
  --rule: #D5DEE7;
  --on-navy: #D3DEEC;
  --on-navy-2: #A9B9D0;
  --navy-rule: #2C4677;
  --sans: "Public Sans", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--white); color: var(--navy); font: 17px/1.6 var(--sans); font-variant-numeric: lining-nums; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--teal-ink); }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
h1, h2 { margin: 0; font-weight: 750; letter-spacing: -0.02em; line-height: 1.12; }
h1 { font-size: clamp(38px, 5vw, 60px); max-width: 14ch; }
h2 { font-size: clamp(28px, 3.2vw, 40px); max-width: 27ch; }
h3 { margin: 0 0 6px; font-size: 19px; font-weight: 700; line-height: 1.3; }
p { margin: 0 0 16px; }
.lead { font-size: 20px; line-height: 1.55; color: var(--ink-2); max-width: 36em; }
.wrap { max-width: 1160px; margin: 0 auto; padding-left: 40px; padding-right: 40px; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--navy); color: var(--white); padding: 10px 14px; z-index: 10; }
.skip:focus { top: 12px; }
.section-intro .lead { margin-top: 20px; }
.section-intro .lead + .lead { margin-top: 0; }

/* Header */
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-top: 28px; padding-bottom: 28px; }
.brand { display: block; line-height: 0; }
.brand img { width: 192px; height: auto; }
.site-header nav { display: flex; gap: 28px; align-items: center; font-size: 15px; font-weight: 500; }
.site-header nav a { color: var(--navy); text-decoration: none; }
.site-header nav a:hover { color: var(--teal-ink); }
.nav-contact { border-bottom: 2px solid var(--teal); padding-bottom: 2px; }

/* Buttons and links */
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button { display: inline-block; padding: 13px 22px; border-radius: 4px; background: var(--navy); color: var(--white); text-decoration: none; font-weight: 600; font-size: 16px; border: 2px solid var(--navy); }
.button:hover { background: var(--navy-2); border-color: var(--navy-2); }
.button-quiet { background: transparent; color: var(--navy); }
.button-quiet:hover { background: var(--mist); border-color: var(--navy); }

/* Square teal bullets, shared by every plain list */
.facts { list-style: none; padding: 0; margin: 0; }
.facts li { position: relative; padding: 0 0 12px 22px; }
.facts li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 9px; height: 9px; background: var(--teal); }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; padding-top: 40px; padding-bottom: 88px; }
.hero-mark { display: flex; flex-wrap: wrap; align-items: center; gap: 0 14px; margin: 0 0 28px; }
.hero-intro { flex-basis: 100%; font-size: 17px; font-weight: 600; color: var(--teal-ink); margin-bottom: 8px; }
.hero-mark img { display: block; width: 180px; }
.hero-name { font-size: 36px; font-weight: 600; letter-spacing: -0.01em; line-height: 1; color: var(--navy); }
.hero .lead { margin-top: 24px; }
.screen { margin: 0; }
.screen img { display: block; border: 1px solid var(--rule); border-radius: 6px; box-shadow: 0 24px 48px -28px rgba(16, 38, 75, 0.45); }
.screen figcaption { margin-top: 12px; font-size: 14px; color: var(--ink-2); }

/* The decision */
.decision { background: var(--mist); padding: 88px 0; }
.compare { margin-top: 44px; }
.compare-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 48px; border-top: 1px solid var(--rule); }
.compare-row p { margin: 0; padding: 22px 0; color: var(--ink-2); }
.compare-row p + p { color: var(--navy); font-weight: 500; border-left: 3px solid var(--teal); padding-left: 24px; }
.compare-head { border-top: 0; font-weight: 700; font-size: 15px; padding-bottom: 10px; }
.compare-head span + span { padding-left: 27px; color: var(--teal-ink); }

/* Platform */
.product { background: var(--navy); color: var(--white); padding: 96px 0 66px; }
.product h2 { color: var(--white); }
.product .lead { color: var(--on-navy); }
.modules { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 32px; margin: 48px 0 0; }
.modules div { border-top: 2px solid var(--teal); padding: 18px 0 30px; }
.modules dt { font-weight: 700; font-size: 18px; margin-bottom: 8px; }
.modules dd { margin: 0; color: var(--on-navy); font-size: 16px; }

/* Roles */
.people { background: var(--mist); padding: 88px 0; }
.roles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; margin: 44px 0 0; }
.roles div { border-top: 1px solid var(--rule); padding: 20px 0 28px; }
.roles dt { font-weight: 700; font-size: 19px; margin-bottom: 6px; }
.roles dt span { display: block; font-size: 15px; font-weight: 600; color: var(--teal-ink); margin-bottom: 4px; }
.roles dd { margin: 0; color: var(--ink-2); }

/* Design partner */
.partner { background: var(--navy); color: var(--white); padding: 96px 0; }
.partner h2 { color: var(--white); }
.partner .lead { color: var(--on-navy); }
.terms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; margin-top: 44px; }
.terms .facts li { color: var(--on-navy); }
.path { list-style: none; counter-reset: path; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; padding: 32px 0 0; margin: 44px 0 0; border-top: 1px solid var(--navy-rule); }
.path li { counter-increment: path; }
.path h3::before { content: counter(path) ". "; color: var(--teal); }
.path p { color: var(--on-navy); margin: 0; }

/* How we build */
.build { padding-top: 96px; padding-bottom: 72px; }
.build-intro .lead { margin-top: 20px; }
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 56px; margin: 44px 0 0; }
.principles div { border-top: 1px solid var(--rule); padding: 20px 0 26px; }
.principles dt { font-weight: 700; font-size: 19px; margin-bottom: 6px; }
.principles dd { margin: 0; color: var(--ink-2); }

/* Company */
.company { background: var(--mist); padding: 80px 0; }
.company-grid { display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr); gap: 56px; }
.company .lead { color: var(--navy); }
.company p:last-child { color: var(--ink-2); max-width: 36em; margin: 0; }

/* Contact */
.contact { padding-top: 88px; padding-bottom: 88px; }
.contact p { color: var(--ink-2); margin-top: 14px; }
.contact-lines { display: flex; flex-wrap: wrap; gap: 12px 40px; font-size: 22px; font-weight: 600; margin-top: 22px; }
.contact-lines a { color: var(--navy); text-decoration-color: var(--teal); text-decoration-thickness: 2px; text-underline-offset: 6px; }

/* Footer */
.site-footer { display: flex; align-items: center; gap: 16px; border-top: 1px solid var(--rule); padding-top: 24px; padding-bottom: 32px; }
.site-footer p { margin: 0; font-size: 14px; color: var(--ink-2); }

@media (max-width: 1020px) {
  .site-header { flex-wrap: wrap; }
  .modules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .roles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .hero { grid-template-columns: minmax(0, 1fr); padding-bottom: 64px; }
  .company-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .path { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}
@media (max-width: 680px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .site-header { flex-direction: column; align-items: flex-start; gap: 16px; padding-top: 20px; padding-bottom: 12px; }
  .brand img { width: 160px; }
  .site-header nav { gap: 10px 18px; flex-wrap: wrap; font-size: 14px; }
  .hero { padding-top: 24px; gap: 36px; }
  .hero-mark img { width: 140px; }
  .hero-name { font-size: 28px; }
  .lead { font-size: 18px; }
  .compare-row { grid-template-columns: minmax(0, 1fr); }
  .compare-head { display: none; }
  .compare-row p:first-child::before { content: "The usual path"; display: block; font-weight: 700; font-size: 14px; margin-bottom: 4px; }
  .compare-row p + p { padding-top: 0; margin-bottom: 22px; }
  .compare-row p + p::before { content: "With Songhai Core"; display: block; font-weight: 700; font-size: 14px; color: var(--teal-ink); margin-bottom: 4px; }
  .modules, .roles, .terms, .principles { grid-template-columns: minmax(0, 1fr); }
  .decision, .product, .people, .partner, .company { padding: 64px 0; }
  .build, .contact { padding-top: 64px; padding-bottom: 64px; }
  .contact-lines { font-size: 19px; }
  .site-footer { align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }