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

body {
  font-family: Arial, sans-serif;
  background: #0a0a0a;
  color: white;
}

/* NAV */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0,0,0,0.9);
  padding: 20px 40px;
  border-bottom: 1px solid cyan;
  z-index: 100;
}

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

.logo {
  color: cyan;
  font-size: 24px;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px;
}

nav ul a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

nav ul a:hover {
  color: cyan;
}

/* HERO */
#hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, #0a0a0a, #001a1a);
  padding: 20px;
}

#hero h1 {
  font-size: 64px;
  color: cyan;
  margin-bottom: 15px;
}

.title {
  font-size: 24px;
  color: #888;
  margin-bottom: 15px;
}

.bio {
  font-size: 18px;
  color: #aaa;
  margin-bottom: 30px;
}

.btn {
  background: transparent;
  border: 2px solid cyan;
  color: cyan;
  padding: 12px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 16px;
  transition: all 0.3s;
}

.btn:hover {
  background: cyan;
  color: #000;
}

/* SKILLS */
#skills {
  padding: 80px 40px;
  text-align: center;
}

#skills h2 {
  color: cyan;
  font-size: 36px;
  margin-bottom: 40px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}

.skill {
  background: #111;
  border: 1px solid cyan;
  border-radius: 10px;
  padding: 20px;
  font-size: 18px;
  transition: all 0.3s;
}

.skill:hover {
  background: cyan;
  color: #000;
  transform: translateY(-5px);
}

/* PROJECTS */
#projects {
  padding: 80px 40px;
  text-align: center;
  background: #050505;
}

#projects h2 {
  color: cyan;
  font-size: 36px;
  margin-bottom: 40px;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.project-card {
  background: #111;
  border: 1px solid cyan;
  border-radius: 15px;
  padding: 30px;
  text-align: left;
  transition: all 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,255,255,0.2);
}

.project-card h3 {
  color: cyan;
  margin-bottom: 10px;
  font-size: 22px;
}

.project-card p {
  color: #aaa;
  margin-bottom: 20px;
  line-height: 1.6;
}

.btn-small {
  background: transparent;
  border: 1px solid cyan;
  color: cyan;
  padding: 8px 20px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s;
}

.btn-small:hover {
  background: cyan;
  color: #000;
}

/* CONTACT */
#contact {
  padding: 80px 40px;
  text-align: center;
}

#contact h2 {
  color: cyan;
  font-size: 36px;
  margin-bottom: 20px;
}

#contact p {
  color: #aaa;
  margin-bottom: 30px;
  font-size: 18px;
}

.contact-links {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px;
  background: #111;
  border-top: 1px solid cyan;
  color: #888;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  #hero h1 {
    font-size: 40px;
  }

  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  nav ul {
    gap: 15px;
  }
}