/* 1. Import Open Sans from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700&display=swap');

/* 2. Base Styles */
body {
  font-family: 'Open Sans', Arial, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #ffffff;
  margin: 0;
  padding: 0;
}

/* 3. Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  color: #222;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

h1 { font-size: 36px; }
h2 { font-size: 28px; }
h3 { font-size: 22px; }

/* 4. Navigation */
nav {
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  gap: 20px;
}

nav a {
  text-decoration: none;
  color: #333;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #1a73e8;
}

/* 5. Buttons */
button, .btn {
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  font-size: 16px;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  background-color: #1a73e8;
  color: #fff;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover, .btn:hover {
  background-color: #1664c1;
}

/* 6. Hero Section */
.hero {
  text-align: center;
  padding: 80px 20px;
  background-color: #f8f9fa;
}

.hero h1 {
  font-weight: 700;
  margin-bottom: 20px;
}

.hero p {
  font-weight: 400;
  font-size: 18px;
}

/* 7. Content Sections */
.section {
  padding: 60px 20px;
}

.section p, .section li {
  font-weight: 400;
  line-height: 1.6;
}

/* 8. Featured Pets / Gallery */
.pet-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.pet-card h4 {
  font-weight: 600;
  margin: 10px 0 5px 0;
}

.pet-card p {
  font-weight: 300;
  font-size: 14px;
}

/* 9. Footer */
footer {
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  font-size: 14px;
  background-color: #f1f1f1;
  color: #333;
  text-align: center;
  padding: 40px 20px;
}

footer a {
  color: #1a73e8;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}