:root {
  --primary-color: #0077b6;
  --bg-color: #f4f4f4;
  --text-color: #222;
  --card-bg: #fff;
}

body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  padding: 0;
  color: var(--text-color);
  background: var(--bg-color);
  line-height: 1.6;
  transition: all 0.3s ease;
}

/* NAV */
.container {
  width: 90%;
  margin: auto;
  padding: 1.5rem 0;
}

.logo {
  font-size: 1.3rem;
}

.navbar {
  background: #111;
  color: #fff;
}
.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hamburger {
  font-size: 1.5rem;
  background: none;
  border: none;
  color: #fff;
}

.nav-links {
  display: none;
  flex-direction: column;
  gap: 1rem;
  list-style: none;
  margin: 0;
}

.nav-links.show {
  display: flex;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  background: none;
  border: none;
}

/* Hero image and flex layout */

.hero-flex {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.hero-img img {
  width: 250px;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* HERO */
.hero {
  text-align: center;
  padding: 2rem 1rem;
  background: #e3f2fd;
}
.hero h2 span {
  color: var(--primary-color);
}
.btn {
  background: var(--primary-color);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  display: inline-block;
  margin: 0.5rem 0.25rem;
}
.btn-secondary {
  background: #555;
}

/* SKILLS */
.skills-grid div,
.project-card {
  background: var(--card-bg);
  padding: 1rem;
  margin-top: 1rem;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* CONTACT */
.social-bar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}
.social-bar a {
  background: var(--primary-color);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  text-align: center;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 1rem;
  background: #111;
  color: #fff;
}

/* Fade-in animation */
.fade-in {
  animation: fadeIn 1s ease-in forwards;
  opacity: 0;
}
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Responsive Layout */
@media (min-width: 768px) {
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  .logo {
    font-size: 2rem;
  }

  .hero-flex {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .nav-links {
    display: flex !important;
    flex-direction: row;
  }

  .hamburger {
    display: none;
  }

  .skills-grid {
    display: flex;
    gap: 5rem;
  }

  .skills-grid div,
  .skills-grid > div > ul {
    width: 100%;
    list-style-position: inside;
  }

  .project-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
  }

  .social-bar {
    flex-direction: row;
    justify-content: center;
  }
}