:root {
  --bg: #0a0f1c;
  --text: white;
  --accent: cyan;
}

.light {
  --bg: #ffffff;
  --text: #111;
  --accent: #0077ff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: #000;
  display: flex;
  justify-content: space-between;
  padding: 10px 20px;
  z-index: 1000;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 15px;
}

nav a, nav button {
  color: white;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
}

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero span {
  color: var(--accent);
}

.btn {
  margin-top: 20px;
  padding: 10px 20px;
  background: var(--accent);
  color: black;
  text-decoration: none;
  border-radius: 5px;
}

section {
  padding: 80px 20px;
  max-width: 900px;
  margin: auto;
}

h2 {
  text-align: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.grid div, .project {
  background: #111;
  padding: 15px;
  border-radius: 5px;
  text-align: center;
}

.socials {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.socials a {
  color: var(--accent);
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 20px;
  background: black;
}