:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary-color: #10b981;
  --secondary-dark: #059669;
  --text-color: #1f2937;
  --text-light: #6b7280;
  --bg-color: #ffffff;
  --bg-light: #f3f4f6;
  --bg-dark: #111827;
  --border-color: #e5e7eb;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

header {
  background-color: var(--bg-color);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.logo span {
  color: var(--secondary-color);
}

nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-color);
  font-weight: 500;
  border-radius: 0.5rem;
}

.nav-menu a:hover {
  background-color: var(--bg-light);
  color: var(--primary-color);
}

.nav-menu .dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-color);
  box-shadow: var(--shadow-lg);
  border-radius: 0.5rem;
  min-width: 180px;
  padding: 0.5rem 0;
  z-index: 100;
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  padding: 0.5rem 1rem;
  border-radius: 0;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  border-radius: 3px;
  transition: var(--transition);
}

.hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--bg-color);
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.85), rgba(16, 185, 129, 0.85));
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--bg-light);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

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

.btn-accent:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
}

.section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-color);
}

.section-alt {
  background-color: var(--bg-light);
}

.update-box {
  background-color: var(--bg-color);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.update-box h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.update-box p {
  color: var(--text-light);
}

.spotlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.spotlight-image {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.spotlight-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spotlight-content h3 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.spotlight-content p {
  margin-bottom: 1rem;
  color: var(--text-light);
}

.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--bg-color);
  padding: 4rem 0;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.about-image {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-text h2 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.policy-box {
  background-color: var(--bg-light);
  border-left: 4px solid var(--secondary-color);
  padding: 1.5rem;
  margin-top: 2rem;
  border-radius: 0 0.5rem 0.5rem 0;
}

.animal-card {
  background-color: var(--bg-color);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.animal-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.animal-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 0.5rem;
  padding: 1rem;
}

.gallery-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.gallery-thumb:hover {
  opacity: 0.8;
}

.animal-info {
  padding: 1.5rem;
}

.animal-info h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  text-transform: capitalize;
}

.animal-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.animal-details span {
  background-color: var(--bg-light);
  padding: 0.25rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.animal-info p {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.animals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.volunteer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.volunteer-text h2 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.volunteer-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.volunteer-image {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.partners-section {
  margin-top: 4rem;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.partner-card {
  text-align: center;
  padding: 1.5rem;
  background-color: var(--bg-color);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.partner-card img {
  width: 100%;
  max-width: 200px;
  margin: 0 auto 1rem;
  border-radius: 0.5rem;
}

.partner-card a {
  display: inline-block;
  margin-top: 0.5rem;
}

.donate-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.donate-image {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.donate-text h2 {
  font-size: 1.75rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.donate-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.donation-options {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.forever-fosters {
  margin-top: 4rem;
}

.forever-fosters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.forever-foster-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 1rem;
}

.happy-tails-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--text-light);
}

.adopted-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.adopted-list h3 {
  font-size: 1.25rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.adopted-list ul {
  list-style: none;
}

.adopted-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  background-color: var(--bg-color);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.gallery-item p {
  padding: 0.75rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-light);
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-info {
  background-color: var(--bg-light);
  padding: 2rem;
  border-radius: 1rem;
  margin-bottom: 2rem;
}

.contact-info h2 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-item strong {
  min-width: 80px;
  color: var(--text-color);
}

.contact-item a,
.contact-item span {
  color: var(--text-light);
}

.notice-box {
  background-color: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 1.5rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin-top: 2rem;
}

.notice-box p {
  color: #92400e;
  margin: 0;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.social-links img {
  width: 32px;
  height: 32px;
}

footer {
  background-color: var(--bg-dark);
  color: var(--bg-color);
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-social a:hover {
  opacity: 1;
}

.footer-social img {
  width: 32px;
  height: 32px;
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.7;
  font-size: 0.875rem;
}

.forms-menu {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.form-link {
  display: block;
  background-color: var(--bg-color);
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.form-link:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.form-link h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.form-link p {
  color: var(--text-light);
  font-size: 0.875rem;
}

@media (max-width: 968px) {
  .about-content,
  .volunteer-content,
  .donate-content {
    grid-template-columns: 1fr;
  }

  .spotlight {
    grid-template-columns: 1fr;
  }

  .spotlight-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-color);
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    padding: 1rem;
  }

  .nav-menu.active {
    display: flex;
  }

  .dropdown-menu {
    position: static;
    box-shadow: none;
    padding-left: 1rem;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .animals-grid {
    grid-template-columns: 1fr;
  }

  .adopted-list {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}