:root {
  --bg-color: #ffffff;
  --text-color: #191970;
  --card-bg: #b7c9e2;
  --primary-color: #191970;
  --secondary-color: #4682b4;
  --accent-color: #4169e1;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --border-radius: 10px;
}

body {
  font-family: "Poppins", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  padding-top: 150px;
}

/* Batasi lebar container */
.container {
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Batasi lebar card */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 30px;
  margin: 0 auto 30px auto;
  max-width: 1100px;
  text-align: center;
}

/* Profil */
.profil-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 600px) {
  .profil-content {
    flex-direction: row;
  }
}

.profil-text {
  flex: 2;
}

.profil-image {
  flex: 1;
  text-align: center;
}

.foto-profil {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--primary-color);
  box-shadow: var(--shadow);
}

.highlight {
  color: var(--primary-color);
}

.subtitle {
  color: var(--accent-color);
  font-weight: 500;
  margin-bottom: 20px;
}

.social-links a {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-right: 15px;
  transition: color 0.3s;
}

#navbar {
  background-color: var(--card-bg);
  box-shadow: var(--shadow);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 15px 0;
}

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

.logo a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li {
  margin: 0 15px;
}

.nav-links li a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  padding: 5px 0;
  display: block;
  position: relative;
}

.nav-links li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  background-color: #f0f0f0;
  color: var(--text-color);
  font-family: "Poppins", sans-serif;
}

.btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: var(--secondary-color);
}

/* Grid Proyek */
.projects-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  padding: 80px 40px;
  max-width: 900px;
  margin: 0 auto;
}

.card-img {
  width: 150px;
  height: auto;
  border-radius: 15px;
  margin-bottom: 15px;
}


.menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    flex-direction: column;
    align-items: center;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
  }

  .nav-links li {
    margin: 15px 0;
  }

  .hamburger {
    display: block;
  }

  .menu-toggle:checked ~ .nav-links {
    max-height: 300px;
  }

  #navbar .container {
    flex-wrap: wrap;
  }
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  padding: 30px 0;
}

.project-card {
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
}

.project-card img.card-img {
  width: 150px;
  height: auto;
  border-radius: 15px;
  margin-bottom: 15px;
}