* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Arial, sans-serif;
  background-color: #0b0f14;
  color: #e8eef7;
  line-height: 1.6;
}
a {
  color: #4fd1c5;
  text-decoration: none;
}
.container {
  max-width: 960px;
  margin: auto;
  padding: 20px;
}

/* Header */
header {
  background-color: #11161d;
  padding: 20px 0;
}
header h1 {
  font-size: 1.8rem;
}
nav {
  margin-top: 10px;
}
nav a {
  margin-right: 15px;
  font-weight: bold;
}

/* Hero */
.hero {
  background-color: #1a202c;
  padding: 40px 0;
  text-align: center;
}
.hero h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}
.hero .btn {
  display: inline-block;
  margin-top: 15px;
  padding: 10px 20px;
  background-color: #4fd1c5;
  color: #0b0f14;
  border-radius: 5px;
}

/* Projects */
#projects {
  padding: 40px 0;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  background-color: #1f2733;
  padding: 20px;
  border-radius: 8px;
}
.card h3 {
  margin-bottom: 10px;
}

/* Skills */
#skills {
  padding: 40px 0;
}
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}
.skills-list li {
  background-color: #2d3748;
  padding: 8px 12px;
  border-radius: 5px;
}

/* Contact */
#contact {
  padding: 40px 0;
}

/* Footer */
footer {
  background-color: #11161d;
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
}