* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #ffffff;
  color: #222222;
  line-height: 1.6;
}

a {
  color: #2457d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 90%;
  max-width: 900px;
  margin: auto;
}

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

.nav {
  min-height: 65px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #222222;
  font-weight: bold;
  font-size: 1.1rem;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: #555555;
  font-size: 0.9rem;
}

.hero {
  padding-top: 100px;
  padding-bottom: 100px;
}

.small-title {
  color: #666666;
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1;
  margin-bottom: 12px;
}

.hero h2 {
  font-size: 1.5rem;
  font-weight: normal;
  color: #555555;
  margin-bottom: 18px;
}

.hero p {
  max-width: 650px;
  color: #555555;
}

.buttons {
  margin-top: 25px;
  display: flex;
  gap: 10px;
}

.button {
  display: inline-block;
  background: #222222;
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 5px;
  text-decoration: none;
}

.button:hover {
  text-decoration: none;
  opacity: 0.85;
}

.button.light {
  background: #eeeeee;
  color: #222222;
}

.section {
  padding: 70px 0;
  border-top: 1px solid #eeeeee;
}

.gray {
  background: #f7f7f7;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.section p {
  max-width: 750px;
  color: #555555;
  margin-bottom: 15px;
}

.card {
  background: #ffffff;
  border: 1px solid #dddddd;
  padding: 20px;
  margin-bottom: 12px;
  border-radius: 6px;
}

.card h3 {
  margin-bottom: 4px;
}

.card p {
  margin: 0;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 25px;
}

.skills span {
  border: 1px solid #cccccc;
  padding: 8px 12px;
  border-radius: 4px;
  background: #fafafa;
}

.availability {
  padding-top: 10px;
}

footer {
  border-top: 1px solid #dddddd;
  padding: 25px 0;
}

footer p {
  color: #777777;
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
    gap: 10px;
  }

  nav {
    gap: 12px;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  h1 {
    font-size: 3.2rem;
  }

  .section {
    padding: 55px 0;
  }
}