* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #26343b;
  background: #ffffff;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, calc(100% - 44px));
  margin: auto;
}

header {
  border-bottom: 1px solid #e7eaec;
  background: #fff;
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
}

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

nav a {
  font-size: 14px;
  color: #526069;
}

nav a:hover {
  text-decoration: underline;
}

.hero {
  background: #f5f6f4;
  padding: 85px 0;
}

.hero h1 {
  max-width: 780px;
  margin: 0 0 20px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.12;
}

.hero p {
  max-width: 720px;
  margin: 0;
  color: #5f6c73;
  font-size: 18px;
}

.section {
  padding: 60px 0;
}

.light {
  background: #f7f8f7;
}

h1 {
  font-size: 44px;
  line-height: 1.2;
  margin-top: 0;
}

h2 {
  font-size: 30px;
  line-height: 1.25;
  margin-top: 38px;
}

h3 {
  margin-top: 0;
}

.intro {
  color: #647179;
  max-width: 750px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.card {
  display: block;
  border: 1px solid #e2e6e8;
  border-radius: 12px;
  padding: 26px;
  background: #fff;
  transition: transform .15s ease, box-shadow .15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,.06);
}

.card p {
  color: #65727a;
  margin-bottom: 0;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
}

.info-box {
  padding: 25px;
  background: #fff;
  border: 1px solid #e2e6e8;
  border-radius: 12px;
}

.article {
  max-width: 850px;
}

.article p {
  color: #53616a;
}

.contact-form {
  max-width: 680px;
  margin-top: 30px;
}

.contact-form label {
  display: block;
  margin: 18px 0 7px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px;
  border: 1px solid #cfd5d8;
  border-radius: 8px;
  font: inherit;
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

button {
  margin-top: 20px;
  border: 0;
  border-radius: 8px;
  padding: 13px 22px;
  background: #26343b;
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.small {
  font-size: 13px;
  color: #738087;
}

footer {
  border-top: 1px solid #e7eaec;
  padding: 32px 0;
  color: #68757d;
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

@media (max-width: 760px) {

  .container {
    width: min(100% - 32px, 1120px);
  }

  .nav {
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    gap: 13px;
  }

  .hero {
    padding: 55px 0;
  }

  .section {
    padding: 45px 0;
  }

  .grid,
  .two-column {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 36px;
  }
}