:root {
  --primary: #2563eb;
  --bg: #f9fafb;
  --text: #111827;
  --card: #ffffff;
  --border: #e5e7eb;
}

body {
  margin: 0;
  font-family: Arial;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 30px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tagline {
  color: gray;
}

.section {
  margin-top: 30px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 15px;
  border-radius: 10px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.skills span {
  display: inline-block;
  margin: 5px;
  background: #dbeafe;
  padding: 5px 10px;
  border-radius: 5px;
}

.btn {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 5px;
}