/* GENERAL STRUCTURE */
* {
  margin: 0; 
  padding: 0; 
  box-sizing: border-box;
}
body {
  font-family: 'Inter', 'Roboto', Arial, sans-serif;
  background-color: #0f0f0f;
  color: #ffffff;
  line-height: 1.6;
}

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background-color: #161616;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  font-size: 1.4rem;
  font-weight: bold;
  color: #ffffff;
  text-decoration: none;
}
nav {
  display: flex;
  gap: 1.5rem;
}
nav a {
  text-decoration: none;
  color: #cccccc;
  font-weight: 500;
  transition: all 0.3s ease;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
}
nav a:hover {
  color: #ffffff;
  background-color: #252525;
}

/* HERO SECTION */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 5rem 2rem;
  background-color: #121212;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(90deg, #64B5F6, #81C784);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  max-width: 700px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  color: #e0e0e0;
  font-size: 1.1rem;
}
.hero button {
  padding: 0.9rem 2rem;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  background-color: #2c2c2c;
  color: #ffffff;
  border-radius: 6px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.hero button:hover {
  background-color: #3a3a3a;
  transform: translateY(-2px);
}

/* PROJECTS SECTION */
.projects-title {
  text-align: center;
  margin: 3rem 0 2rem;
  font-size: 2rem;
  color: #e0e0e0;
}
.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  justify-items: center;
  justify-content: center;
}
.project-card {
  background-color: #1a1a1a;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}
.project-card h2 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: #ffffff;
}
.project-card p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  color: #bbbbbb;
  line-height: 1.5;
}
.project-card a {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  color: #ffffff;
  text-decoration: none;
  background-color: #333333;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.3s ease;
}
.project-card a:hover {
  background-color: #444444;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem;
  background-color: #161616;
  color: #777777;
  margin-top: 3rem;
}
.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.social-links a {
  color: #999999;
  transition: color 0.3s ease;
}
.social-links a:hover {
  color: #ffffff;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .projects {
    padding: 1rem;
  }
}
@media (max-width: 576px) {
  header {
    flex-direction: column;
    gap: 1rem;
  }
  .hero h1 {
    font-size: 2rem;
  }
}