* {
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  margin: 0;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 20px;
}

/* HERO */
.hero h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

.hero h2 {
  color: #38bdf8;
  margin-bottom: 20px;
}

.hero p {
  line-height: 1.6;
}

/* SECTIONS */
section {
  margin-top: 60px;
}

h3 {
  color: #22c55e;
  margin-bottom: 20px;
}

/* SKILLS */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.skill-card {
  background: #020617;
  padding: 15px;
  border-radius: 12px;
  text-align: center;
  transition: 0.3s;
}

.skill-card:hover {
  transform: translateY(-5px);
  background: #020617cc;
}

/* PROJECTS */
.project-card {
  background: #020617;
  padding: 20px;
  border-radius: 12px;
}

/* CONTACT */
a {
  color: #38bdf8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* FOOTER */
footer {
  margin-top: 80px;
  text-align: center;
  font-size: 14px;
  color: #9ca3af;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }
}