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

body {
  font-family: Arial, sans-serif;
  background: #f8f9fa;
  color: #222;
  line-height: 1.6;
}

/* NAVBAR */
header {
  background: #0d1b2a;
  color: white;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  list-style: none;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #1b263b, #415a77);
  color: white;
  text-align: center;
  padding: 5rem 2rem;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.hero span {
  color: #ffd166;
}

.hero p {
  max-width: 600px;
  margin: 1rem auto;
}

.btn {
  display: inline-block;
  background: #ffd166;
  color: #111;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
}

/* SECTIONS */
.section {
  max-width: 1100px;
  margin: auto;
  padding: 4rem 2rem;
}

.section h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: #0d1b2a;
}

/* SKILLS */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  text-align: center;
}

.skills-grid div {
  background: white;
  padding: 1rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* CARDS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.card h3 {
  margin-bottom: 1rem;
}

.card a {
  color: #1d4ed8;
  text-decoration: none;
  font-weight: bold;
}

/* RESUME */
#resume ul {
  padding-left: 20px;
}

#resume h3 {
  margin-top: 15px;
  color: #1b263b;
}

#resume hr {
  margin: 15px 0;
  border: none;
  border-top: 1px solid #ddd;
}

/* CONTACT */
#contact {
  text-align: center;
}

/* FOOTER */
footer {
  background: #0d1b2a;
  color: white;
  text-align: center;
  padding: 1.5rem;
}

/* MOBILE */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }

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