:root {
  --background: #f7f9fc;
  --surface: #ffffff;
  --text: #172033;
  --muted: #637083;
  --line: #dfe5ee;
  --blue: #2563eb;
  --teal: #0f766e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 7vw;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
}

.brand small,
.eyebrow,
.lead,
.section p,
.info-box span,
.contact-list span {
  color: var(--muted);
}

nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
}

nav a,
.button,
.contact-list a {
  text-decoration: none;
}

nav a:hover,
.contact-list a {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 38px;
  align-items: center;
  padding: 96px 7vw;
  background: linear-gradient(135deg, #ffffff 0%, #edf4ff 56%, #f4fbfa 100%);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.04;
}

h2 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
}

.lead,
.section > p:not(.eyebrow) {
  max-width: 780px;
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-weight: 700;
}

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

.info-box,
.cards article,
.contact-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 48px rgba(23, 32, 51, 0.08);
}

.info-box,
.contact-list {
  padding: 24px;
}

.info-box p,
.contact-list p {
  margin: 0;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.info-box p:last-child,
.contact-list p:last-child {
  border-bottom: 0;
}

.info-box span,
.contact-list span {
  display: block;
  font-size: 13px;
}

.section {
  padding: 76px 7vw;
}

.cards-section {
  background: #fff;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.cards article {
  padding: 24px;
}

.cards p {
  margin-bottom: 0;
}

footer {
  padding: 26px 7vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

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

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    padding-top: 58px;
  }

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