* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', 'Poppins', sans-serif;
}

body {
  background: #99d2d5;
  color: #333;
  line-height: 1.6;
}

header {
  background: #b2e2e4;
  padding: 1rem 2rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #1E3236;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: #444;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #08282f;
}

.hero {
  background: #7fbabf;
  padding: 4rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  color: #0b1417;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: #1d1d1d;
  max-width: 700px;
  margin: auto;
}

.section {
  padding: 4rem 2rem;
  text-align: center;
}

.section h2 {
  font-size: 2rem;
  color: #1d1d1d;
  margin-bottom: 1.5rem;
}

.section p {
  font-size: 1rem;
  max-width: 600px;
  margin: auto;
  color: #1d1d1d;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 2rem;
  gap: 1.5rem;
}

.card {
  background: #dcfcff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  padding: 1.5rem;
  width: 300px;
  transition: transform 0.2s ease;
}

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

.card h3 {
  color: #095766;
  margin-bottom: 0.5rem;
}

.card h2{
  text-align: center;
  justify-content: center;
}

.card p{
  font-size: .95rem;
}

form {
  margin-top: 2rem;
  max-width: 450px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input, textarea {
  padding: 0.9rem;
  border: 1px solid #dcfcff;
  border-radius: 8px;
  font-size: 1rem;
  width: 100%;
}

button {
  padding: 0.9rem;
  border: none;
  background: #146170;
  color: #fff;
  font-size: 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #1e4954;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #66a2a3;
  color: #1e1d1d;
  margin-top: 3rem;
}
#add{
  font-size: .85rem;
  text-align: center;
  padding: .3rem;
}

/* -------------------- Responsive -------------------- */

@media (max-width: 768px) {
  .nav-links {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    margin-top: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .card-container {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 90%;
  }

  form {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 1rem;
  }

  .logo {
    font-size: 1.4rem;
  }

  .hero {
    padding: 2.5rem 1rem;
  }

  .section {
    padding: 3rem 1rem;
  }

  .card {
    padding: 1rem;
  }

  button {
    font-size: 0.95rem;
  }
}