/* Reset some basics */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

a {
  color: #0077cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  background: #222;
  color: #fff;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

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

.nav-links li a {
  color: white;
  font-weight: 600;
}

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

#hero {
  background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
  height: 70vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}

.hero-content h2 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px #000;
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-shadow: 1px 1px 3px #000;
}

.btn {
  background-color: #0077cc;
  padding: 0.75rem 1.5rem;
  color: white;
  border-radius: 4px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #005fa3;
}

.section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 1rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
  color: #222;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
  transition: box-shadow 0.3s ease;
}

.project-card:hover {
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

.project-card h3 {
  margin-bottom: 0.5rem;
  color: #0077cc;
}

footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 3rem;
}