/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #4a90e2;
  --secondary-color: #50c878;
  --accent-color: #ff6b6b;
  --text-color: #333;
  --bg-color: #f8f9fa;
  --card-bg: #ffffff;
  --border-radius: 8px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header and Navigation */
header {
  background-color: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  width: 100%;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 50px;
  width: auto;
  max-width: 120px;
}

.nav-tagline {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-color);
  white-space: nowrap;
}

.hamburger {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
  flex-shrink: 0;
  position: relative;
  overflow: visible;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
  transform-origin: center;
  position: relative;
  left: 0;
}

.hamburger-line:nth-child(2) {
  opacity: 1;
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(20px) rotate(45deg);
  position: relative;
  left: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  position: relative;
  left: 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-color);
  padding: 0.5rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-link:hover {
  background-color: var(--bg-color);
  color: var(--primary-color);
}

.nav-icon {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.nav-text {
  font-size: 0.8rem;
  font-weight: 500;
}

/* Mobile navigation */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: row;
    gap: 0;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
    margin: 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: 1rem 0;
  }

  .nav-link {
    flex-direction: row;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .nav-icon {
    margin-bottom: 0;
  }

  .nav-text {
    font-size: 1rem;
  }
}

/* Main content */
main {
  min-height: calc(100vh - 140px);
}

/* Hero section */
.hero {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 4rem 0;
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: bold;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  margin: 0.5rem;
}

.btn-primary {
  background-color: white;
  color: var(--primary-color);
}

.btn-primary:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

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

/* Features section */
.features {
  padding: 3rem 0;
}

.features h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

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

.feature-card h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* Masonry grid for breeds */
.masonry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 1rem;
}

.breed-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.breed-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.breed-image-container {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.breed-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: var(--transition);
}

.breed-card:hover .breed-image {
  transform: scale(1.05);
}

.breed-info {
  padding: 1rem;
  flex-grow: 1;
}

.breed-info h3 {
  margin-bottom: 0.5rem;
}

/* Individual breed page */
.breed-detail {
  max-width: 800px;
  margin: 0 auto;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-top: 2rem;
}

.breed-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.breed-detail-image {
  width: 100%;
  max-width: 400px;
  height: 300px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
}

.breed-detail h1 {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.section-title {
  margin: 1.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.characteristics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.characteristic-card {
  background: var(--bg-color);
  padding: 1.5rem;
  border-radius: var(--border-radius);
}

/* Footer */
footer {
  background-color: var(--text-color);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 3rem;
}

footer a {
  color: #4a90e2; /* Using the primary color for visibility */
}

footer a:hover {
  color: #357abd; /* A darker shade for hover effect */
}

/* Responsive design */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: row;
    gap: 1rem;
  }
  
  .nav-menu {
    width: 100%;
    justify-content: space-around;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .masonry-grid {
    grid-template-columns: 1fr;
  }
  
  .characteristics-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .masonry-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}

/* Lazy loading placeholder */
.image-placeholder {
  background-color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
}

/* Image styling */
.breed-image, .breed-detail-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

/* SEO Content Section */
.seo-content {
  padding: 3rem 0;
  background-color: var(--card-bg);
}

.seo-content h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
  color: var(--primary-color);
}

.seo-text {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
  line-height: 1.8;
}

.seo-text p {
  margin-bottom: 1.5rem;
  text-align: left;
}

.seo-text strong {
  color: var(--primary-color);
  font-weight: 600;
}