/* Core Reset and Font */
*,
*::before,
*::after {
  box-sizing: border-box;
  font-family: 'Segoe UI', Arial, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f5f7fa;
  color: #222;
  line-height: 1.6;
}

header {
  background: linear-gradient(120deg, #667eea, #764ba2);
  color: #fff;
  padding-bottom: 2rem;
}

nav {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.5rem 0 1.5rem;
}

.logo {
  font-weight: bold;
  font-size: 1.3rem;
  letter-spacing: 2px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

nav a:hover {
  color: #ffe082;
}

.hero {
  max-width: 600px;
  margin: 2.5rem auto 1.5rem auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.profile-img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin-bottom: 1rem;
  object-fit: cover;
}

.hero h1 {
  font-size: 2.1rem;
  margin-bottom: 0.5rem;
}

.hero h1 span {
  color: #ffe082;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.btn {
  display: inline-block;
  background: #ffe082;
  color: #333;
  padding: 0.7rem 1.3rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 0.5rem;
  transition: background 0.2s, color 0.2s;
}

.btn:hover {
  background: #fff;
  color: #764ba2;
}

main {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

section {
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1.5rem;
  color: #764ba2;
  margin-bottom: 1rem;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.project-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(118, 75, 162, 0.08);
  padding: 1.2rem 1rem;
  max-width: 100%;
}

footer {
  text-align: center;
  padding: 1.2rem 0;
  background: #eee;
  color: #666;
  font-size: 1rem;
}

.about-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.about-content {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.about-img {
  width: 300px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 800px) {
  nav, main {
    max-width: 98vw;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
  }
  .hero {
    max-width: 98vw;
    padding-left: 0.7rem;
    padding-right: 0.7rem;
  }
}

@media (max-width: 500px) {
  nav {
    flex-direction: column;
    gap: 0.8rem;
    padding: 1rem 0.4rem 0 0.4rem;
  }
  .hero h1 {
    font-size: 1.2rem;
  }
  .profile-img {
    width: 80px;
    height: 80px;
  }
  main {
    padding: 1rem 0.2rem;
  }
}