* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Roboto, sans-serif;
  color: #2e2e2e;
  background: #ffffff;
  line-height: 1.7;
}

header {
  background: #0b1c2d;
  position: sticky;
  top: 0;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.nav h1 {
  color: #ffffff;
  font-family: Inter, sans-serif;
  font-size: 20px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
}

.hero {
  background: #f4f6f8;
  padding: 80px 0;
  text-align: center;
}

.hero h2 {
  font-family: Inter, sans-serif;
  font-size: 32px;
  margin-bottom: 10px;
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: #f9fafb;
}

h3 {
  font-family: Inter, sans-serif;
  font-size: 26px;
  margin-bottom: 20px;
}

.item {
  margin-bottom: 30px;
}

.item h4 {
  margin: 0;
  font-size: 18px;
}

.item span {
  font-size: 14px;
  color: #1fa2a6;
}

.skills {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
}

.skills li {
  background: #eef2f5;
  padding: 10px 15px;
  border-radius: 4px;
  font-size: 14px;
}

footer {
  background: #0b1c2d;
  color: white;
  text-align: center;
  padding: 20px 0;
  font-size: 13px;
}