* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: #f5f7fa;
  color: #222;
  scroll-behavior: smooth;
}

/* Navbar */
header {
  background: #fff;
  position: fixed;
  width: 100%;
  top: 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
}
.logo span {
  color: #0078ff;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}
.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}
.nav-links a:hover {
  color: #0078ff;
}

/* Hero */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(120deg, #0078ff, #00c6ff);
  color: #fff;
  padding: 0 10%;
}

.hero h1 {
  font-size: 2.5rem;
}
.hero h1 span {
  color: #ffe600;
}
.hero p {
  margin: 1rem 0;
  font-size: 1.1rem;
}
.btn {
  background: #fff;
  color: #0078ff;
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  margin: 0.5rem;
  display: inline-block;
}
.btn-outline {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
}
.btn:hover {
  opacity: 0.8;
}

/* Sections */
section {
  padding: 5rem 10%;
}

.about, .skills, .projects, .contact {
  background: #fff;
  border-radius: 10px;
  margin-top: 5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h2 {
  color: #0078ff;
  margin-bottom: 1rem;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 15px;
}
.skill {
  background: #e7f0ff;
  padding: 1rem;
  text-align: center;
  border-radius: 8px;
  font-weight: 500;
}

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.project-card {
  background: #f9f9f9;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 1px 5px rgba(0,0,0,0.1);
}
.project-card h3 {
  color: #0078ff;
}
.project-card a {
  display: inline-block;
  margin-top: 1rem;
}

/* Contact */
.contact ul {
  list-style: none;
  margin-top: 1rem;
}
.contact li {
  margin: 0.5rem 0;
}
.contact a {
  color: #0078ff;
  text-decoration: none;
}

/* Footer */
footer {
  background: #0078ff;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero h1 {
    font-size: 2rem;
  }
}