/* Reset and global styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f9f9f9;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #111;
  color: #fff;
  padding: 1rem 2rem;
}

.navbar .logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #fff;
  font-weight: 500;
}

.nav-links a:hover {
  color: #00bcd4;
}

/* Hero */
.hero {
  background: #00bcd4;
  color: #fff;
  padding: 5rem 2rem;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero span {
  font-weight: bold;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.btn {
  background: #111;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.btn:hover {
  background: #333;
}

/* About */
.about, .contact, .portfolio {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: auto;
  text-align: center;
}

.about p {
  max-width: 700px;
  margin: auto;
}

/* Portfolio */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background: #fff;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
}

/* Contact */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 600px;
  margin: auto;
}

input, textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

/* Footer */
footer {
  background: #111;
  color: #fff;
  text-align: center;
  padding: 1rem;
}