:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: #17202a;
  background: #f4f7f9;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
}

a {
  color: #1261a0;
}

.site-header {
  align-items: center;
  background: #fff;
  border-bottom: 1px solid #d9e1e7;
  display: flex;
  gap: 22px;
  justify-content: space-between;
  padding: 14px max(20px, calc((100vw - 1080px) / 2));
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  align-items: center;
  color: #173f5f;
  display: flex;
  font-weight: 900;
  gap: 9px;
  text-decoration: none;
}

.brand-mark {
  border-radius: 8px;
  height: 32px;
  width: 32px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

nav a {
  color: #536473;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.hero {
  background:
    radial-gradient(circle at 82% 12%, rgba(91, 194, 188, 0.42), transparent 28%),
    linear-gradient(135deg, #102f49, #173f5f 58%, #1d6177);
  color: #fff;
  padding: 76px 24px;
}

.hero-inner,
.content {
  margin: 0 auto;
  max-width: 1080px;
}

.hero-inner {
  align-items: center;
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
}

.hero h1,
.hero p {
  margin: 0;
}

.hero h1 {
  font-size: clamp(42px, 8vw, 74px);
  line-height: 0.98;
  max-width: 760px;
}

.hero-copy > p {
  color: #dceaf1;
  font-size: clamp(17px, 2.5vw, 21px);
  line-height: 1.6;
  margin-top: 20px;
  max-width: 720px;
}

.eyebrow {
  color: #4f728c;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.09em;
  margin: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #a7d9d5;
  margin-bottom: 12px;
}

.hero-panel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px;
  display: grid;
  gap: 12px;
  padding: 24px;
}

.hero-panel strong {
  font-size: 18px;
}

.hero-panel span {
  color: #dceaf1;
  line-height: 1.5;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.button {
  align-items: center;
  border-radius: 9px;
  display: inline-flex;
  font-weight: 850;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  text-decoration: none;
}

.button.primary {
  background: #fff;
  border: 1px solid #fff;
  color: #173f5f;
}

.button.dark {
  background: #173f5f;
  border: 1px solid #173f5f;
  color: #fff;
}

.button.secondary {
  background: #fff;
  border: 1px solid #9fb1bf;
  color: #173f5f;
}

.configuration-note {
  background: #fff8dc;
  border: 1px solid #e8dba6;
  border-radius: 9px;
  color: #715d12;
  font-size: 13px;
  padding: 10px 12px;
}

.content {
  padding: 44px 24px 64px;
}

.section {
  margin-bottom: 46px;
}

.section h1,
.section h2 {
  color: #173f5f;
  margin: 6px 0 14px;
}

.section h1 {
  font-size: clamp(32px, 6vw, 52px);
}

.section h2 {
  font-size: clamp(26px, 4vw, 34px);
}

.section p,
.section li {
  color: #475967;
  line-height: 1.7;
}

.card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: #fff;
  border: 1px solid #d9e2e8;
  border-radius: 14px;
  box-shadow: 0 7px 24px rgba(23, 63, 95, 0.06);
  padding: 20px;
}

.card h3 {
  color: #173f5f;
  margin: 0 0 8px;
}

.card p {
  margin: 0;
}

.steps {
  counter-reset: steps;
  display: grid;
  gap: 12px;
  list-style: none;
  padding: 0;
}

.steps li {
  align-items: flex-start;
  background: #fff;
  border: 1px solid #d9e2e8;
  border-radius: 12px;
  display: grid;
  gap: 12px;
  grid-template-columns: 34px minmax(0, 1fr);
  padding: 16px;
}

.steps li::before {
  align-items: center;
  background: #e7f0f5;
  border-radius: 50%;
  color: #173f5f;
  content: counter(steps);
  counter-increment: steps;
  display: inline-flex;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.callout {
  background: #e9f5f2;
  border: 1px solid #b9ddd8;
  border-radius: 14px;
  padding: 22px;
}

.document {
  background: #fff;
  border: 1px solid #d9e2e8;
  border-radius: 14px;
  padding: clamp(20px, 4vw, 34px);
}

.document h2 {
  margin-top: 32px;
}

.document h2:first-child {
  margin-top: 0;
}

code {
  background: #edf2f5;
  border-radius: 5px;
  padding: 2px 5px;
}

.site-footer {
  background: #102f49;
  color: #d9e8ef;
  padding: 28px 24px;
}

.site-footer > div {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1080px;
}

.site-footer a {
  color: #fff;
}

@media (max-width: 820px) {
  .hero-inner,
  .card-grid {
    grid-template-columns: 1fr;
  }

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