:root {
  color-scheme: light;
  --ink: #102237;
  --muted: #61748a;
  --blue: #1769aa;
  --blue-dark: #0d3f79;
  --line: #d9e6f3;
  --paper: #ffffff;
  --soft: #eef6fc;
  --mint: #49a987;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(255, 255, 255, .88), rgba(255, 255, 255, .88)),
    linear-gradient(90deg, rgba(23, 105, 170, .09) 1px, transparent 1px),
    linear-gradient(rgba(23, 105, 170, .08) 1px, transparent 1px),
    #f7fbff;
  background-size: auto, 72px 72px, 72px 72px, auto;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  gap: 24px;
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
}

nav a {
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 56px;
  align-items: center;
  min-height: 620px;
  padding: 48px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: .96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.hero-copy > p {
  max-width: 720px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.button.secondary {
  color: var(--blue-dark);
  background: rgba(255, 255, 255, .72);
}

.hero-visual {
  min-height: 460px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 22% 18%, rgba(73, 169, 135, .24), transparent 28%),
    linear-gradient(135deg, rgba(23, 105, 170, .14), rgba(255, 255, 255, .82));
}

.visual-card,
.section article,
.contact {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 18px 48px rgba(13, 63, 121, .08);
}

.visual-card {
  width: min(360px, 84%);
  padding: 32px;
}

.visual-card span {
  color: var(--mint);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .1em;
}

.visual-card strong {
  display: block;
  margin: 16px 0 10px;
  font-size: 30px;
  line-height: 1.08;
}

.section {
  padding: 72px 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.section article {
  padding: 28px;
}

.section article p {
  margin-bottom: 0;
  font-size: 16px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.contact {
  padding: 42px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 38px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  .site-header,
  nav,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .split,
  .cards {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 24px;
  }
}