* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #ffffff;
  color: #111111;
  line-height: 1.6;
}

header {
  border-bottom: 1px solid #ececec;
  background: #ffffff;
}

nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  gap: 24px;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: #111111;
  font-size: 14px;
}

nav a:hover {
  opacity: 0.6;
}

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 110px 20px 90px;
  text-align: center;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: 52px;
  line-height: 1.1;
  font-weight: 600;
}

.hero p {
  max-width: 680px;
  margin: 0 auto 28px;
  font-size: 18px;
  color: #555555;
}

.btn {
  display: inline-block;
  padding: 14px 24px;
  border: 1px solid #111111;
  text-decoration: none;
  color: #111111;
  font-size: 14px;
  transition: 0.2s ease;
}

.btn:hover {
  background: #111111;
  color: #ffffff;
}

.portfolio-preview,
.services-preview,
.cta,
.portfolio,
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 20px;
}

h1,
h2 {
  margin-top: 0;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 42px;
}

h2 {
  font-size: 28px;
}

.intro {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
  color: #555555;
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.item {
  background: #f7f7f7;
  padding: 18px;
  border: 1px solid #eeeeee;
}

.item p {
  margin: 14px 0 0;
  font-size: 14px;
}

img {
  width: 100%;
  height: auto;
  display: block;
}

.services-preview ul {
  list-style: none;
  padding: 0;
  margin: 32px auto 0;
  max-width: 500px;
  text-align: center;
}

.services-preview li {
  padding: 10px 0;
  border-bottom: 1px solid #eeeeee;
}

.services-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card,
.contact-box {
  border: 1px solid #ececec;
  padding: 28px;
  background: #fafafa;
}

.service-card h2 {
  text-align: left;
  font-size: 22px;
  margin-bottom: 12px;
}

.contact-box {
  max-width: 700px;
  margin: 0 auto 20px;
}

.cta {
  text-align: center;
}

.cta h2 {
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .grid,
  .services-list {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 40px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 24px;
  }
}

@media (max-width: 600px) {
  nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    padding: 80px 20px 60px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero p {
    font-size: 16px;
  }

  .portfolio-preview,
  .services-preview,
  .cta,
  .portfolio,
  .page {
    padding: 60px 20px;
  }
}

footer {
  border-top: 1px solid #ececec;
  margin-top: 80px;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links a {
  margin-left: 20px;
  text-decoration: none;
  color: #555;
  font-size: 14px;
}

.footer-links a:hover {
  color: #000;
}