:root {
  color-scheme: light;
  --ink: #172034;
  --muted: #526078;
  --line: #dce3ed;
  --surface: #f6f8fc;
  --brand: #3857d6;
  --brand-dark: #253aa3;
  --accent: #16a085;
  --white: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-size: 17px;
  line-height: 1.65;
}

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

a:focus-visible {
  outline: 3px solid #f0b429;
  outline-offset: 4px;
  border-radius: 4px;
}

.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 58px;
  height: 58px;
  border-radius: 15px;
}

nav { display: flex; gap: 22px; }

nav a {
  color: var(--muted);
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] { color: var(--brand-dark); }

main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 76px;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 420px;
  height: 420px;
  top: -150px;
  right: -100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 87, 214, .14), rgba(22, 160, 133, 0));
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: -.025em;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.7rem);
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

h3 { margin: 0 0 8px; font-size: 1.08rem; }

.lead {
  max-width: 880px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.notice {
  max-width: 880px;
  margin-top: 32px;
  padding: 18px 20px;
  border: 1px solid #c7d2fe;
  border-left: 5px solid var(--brand);
  border-radius: 12px;
  background: #f3f5ff;
}

main > section:not(.hero) { padding: 66px 0; }

.section-heading { max-width: 760px; margin-bottom: 30px; }

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

.capability-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(23, 32, 52, .045);
}

.capability-grid p { margin: 0; color: var(--muted); }

.scope {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 56px;
  align-items: start;
  border-block: 1px solid var(--line);
}

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

.check-list li {
  position: relative;
  margin-bottom: 18px;
  padding-left: 34px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  color: #095c4d;
  background: #dff6ef;
  font-size: 14px;
  font-weight: 900;
}

.oauth { max-width: 800px; }
.oauth p:last-child { color: var(--muted); }

.legal-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-top: 0 !important;
}

.legal-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-radius: 14px;
  color: var(--white);
  background: var(--brand-dark);
  font-weight: 750;
  text-decoration: none;
}

.policy { max-width: 850px; padding: 76px 0 28px; }
.policy h1 { font-size: clamp(2.3rem, 5vw, 4rem); }
.policy section { padding: 30px 0; border-bottom: 1px solid var(--line); }
.policy section:last-child { border-bottom: 0; }
.policy p, .policy li { color: var(--muted); }
.policy strong { color: var(--ink); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .94rem;
}

footer p { margin: 0; }

@media (max-width: 820px) {
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .scope { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .site-header { width: min(100% - 28px, 1120px); }
  .brand-logo { width: 50px; height: 50px; border-radius: 13px; }
  nav { gap: 16px; }
  main, footer { width: min(100% - 32px, 1120px); }
  .hero { padding: 64px 0 50px; }
  main > section:not(.hero) { padding: 48px 0; }
  .capability-grid, .legal-links { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}