* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  color: #333;
  line-height: 1.6;
}

header {
  background: #fff;
  padding: 1rem 2rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: #0077b6;
}

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

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.nav-links a:hover {
  color: #0077b6;
}

.hero {
  height: 100vh;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
              url('https://source.unsplash.com/1600x900/?technology,code') center/cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  padding-top: 70px;
}

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

.hero span {
  color: #90e0ef;
}

.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  background: #0077b6;
  color: white;
  border-radius: 5px;
  text-decoration: none;
}

.btn:hover {
  background: #023e8a;
}

.section {
  padding: 4rem 2rem;
  text-align: center;
}

.about-container {
  max-width: 800px;
  margin: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.about-container img {
  width: 200px;
  border-radius: 50%;
}

.skills-grid, .projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.skill-card {
  background: #f8f9fa;
  padding: 1.5rem;
  border-radius: 10px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.project-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  overflow: hidden;
}

.project-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.project-card h3 {
  margin: 1rem 0;
}

.timeline {
  max-width: 700px;
  margin: auto;
  text-align: left;
}

.timeline-item {
  margin-bottom: 2rem;
}

.contact p {
  margin: 1rem 0;
}

.socials a {
  margin: 0 0.5rem;
  font-size: 1.5rem;
  color: #0077b6;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #f1f1f1;
  margin-top: 2rem;
}