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

body {
  font-family: 'Poppins', sans-serif;
  background-color: #f9f9f9;
  color: hsl(0, 0%, 2%);
  line-height: 1.6;
}

a {
  color: #07739e;
  text-decoration: none;
}

header {
  background: #07072a;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgb(249, 245, 245);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.hero {
  background: linear-gradient(to right, #4f46e5, #0ea5e9);
  color: rgb(240, 234, 234);
  text-align: center;
  padding: 6rem 2rem;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-img {
  width: 120px;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.cta-btn {
  display: inline-block;
  background: white;
  color: #0f172a;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  margin-top: 1rem;
  font-weight: bold;
  transition: 0.3s;
}

.cta-btn:hover {
  background: #333;
  color: white;
}

.section {
  padding: 4rem 2rem;
  max-width: 800px;
  margin: auto;
  position: relative;
}

.section:not(:last-child) {
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 2rem;
}

.section h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #1f2937;
  text-align: center;
  position: relative;
}

.section h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(to right, #4f46e5, #0ea5e9);
  border-radius: 2px;
}

.section h3 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem 0;
  color: #374151;
  border-left: 4px solid #0ea5e9;
  padding-left: 1rem;
}

.project {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 2rem;
  background: #f8fafc;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.project:last-child {
  margin-bottom: 0;
}

.project img {
  width: 200px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.section ul {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.section li {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.section li strong {
  color: #1f2937;
  font-weight: 600;
}

.section li span {
  display: block;
  margin-top: 0.5rem;
  color: #6b7280;
  font-size: 0.95rem;
}

footer {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 3rem;
}

/* 🌐 Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

  .hero {
    padding: 4rem 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .section {
    padding: 3rem 1rem;
  }

  .section h2 {
    font-size: 2rem;
  }

  .project {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
  }

  .project img {
    width: 100%;
    max-width: 300px;
  }

  ul {
    list-style: none;
    padding-left: 0;
  }

  .cta-btn {
    display: block;
    width: 100%;
    text-align: center;
  }
}