:root {
  --color-primary: #B388EB;      
  --color-secondary: #8093F1;   
  --color-accent-pink: #F7AEF8;  
  --color-accent-blue: #72DDF7;  
  --color-dark: #1f1f1f;
  --color-light: #fdfcfa;
  --color-white: #ffffff;
  --card-height: 360px;
}

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

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  color: var(--color-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
}

.navbar {
  background: linear-gradient(135deg, rgba(27, 27, 27, 0.95) 0%, rgba(45, 45, 45, 0.95) 100%) !important;
  backdrop-filter: blur(10px);
  padding: 0.8rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border-bottom: 2px solid var(--color-accent-pink);
}

.navbar-brand {
  font-weight: 700;
  transition: transform 0.3s ease;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-logo {
  width: 48px !important;
  height: 48px !important;
  border-radius: 50%;
  border: 2px solid var(--color-white);
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.navbar-logo:hover {
  border-color: var(--color-accent-blue);
  transform: rotate(5deg);
}

.brand-text {
  font-size: 1.3rem;
  background: linear-gradient(135deg, var(--color-accent-pink) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar-nav {
  gap: 0.5rem;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  font-size: 1rem;
  padding: 0.6rem 1rem !important;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  text-align: center;
}

.nav-link:hover {
  color: var(--color-white) !important;
  background: rgba(247, 174, 248, 0.15);
  transform: translateY(-2px);
}

.nav-link.active {
  color: var(--color-accent-pink) !important;
  font-weight: 600;
  background: rgba(247, 174, 248, 0.1);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 25%;
  width: 50%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-pink), var(--color-accent-blue));
  border-radius: 2px;
}

.historia-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%) !important;
  margin-top: 76px;
  padding: 4rem 0 !important;
  position: relative;
  overflow: hidden;
}

.historia-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
  background-size: cover;
}

.hero-title {
  font-size: 3.2rem;
  text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.3);
  letter-spacing: 1px;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  color: var(--color-white) !important;
  text-align: center !important;
  width: 100%;
  display: block;
}

.hero-subtitle {
  font-size: 1.4rem;
  opacity: 0.95;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  color: var(--color-white) !important;
  text-align: center !important;
  display: block;
}

.historia-hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

main.container {
  padding: 2rem 0;
}

.row.g-4 {
  justify-content: center;
}

.animal-name {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--color-accent-pink) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: 14px 24px;
  border-radius: 15px;
  box-shadow: 0 6px 20px rgba(183, 136, 235, 0.4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  border: 3px solid transparent;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.animal-name::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.7s;
}

.animal-name:hover {
  background: linear-gradient(135deg, var(--color-accent-blue) 0%, var(--color-secondary) 100%);
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px 30px rgba(114, 221, 247, 0.5);
  border-color: var(--color-white);
}

.animal-name:hover::before {
  left: 100%;
}

.flip-card {
  perspective: 1200px;
  cursor: pointer;
  height: var(--card-height);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  border: 4px solid var(--color-accent-pink);
  background: var(--color-white);
}

.flip-card:hover {
  box-shadow: 0 20px 40px rgba(183, 136, 235, 0.35);
  transform: translateY(-8px) rotateX(5deg);
  border-color: var(--color-accent-blue);
}

.flip-card.active {
  border-color: var(--color-accent-blue);
  box-shadow: 0 25px 50px rgba(114, 221, 247, 0.4);
  transform: translateY(-5px);
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  border-radius: 14px;
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 14px;
  overflow: hidden;
}

.flip-card-front {
  background: var(--color-dark);
}

.flip-card-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
  filter: brightness(0.95);
}

.flip-card:hover .flip-card-front img {
  transform: scale(1.1);
  filter: brightness(1.05);
}

.flip-card-back {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2a2a2a 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  transform: rotateY(180deg);
  border: 4px solid var(--color-accent-pink);
}

.card-back-content {
  max-height: 90%;
  overflow-y: auto;
  padding-right: 15px;
  text-align: center;
}

.card-back-content p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0;
  font-weight: 300;
}

.card-back-content::-webkit-scrollbar {
  width: 8px;
}

.card-back-content::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.card-back-content::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--color-accent-pink), var(--color-accent-blue));
  border-radius: 4px;
}

.flip-card.active .flip-card-inner { 
  transform: rotateY(180deg); 
}

footer {
  background: linear-gradient(135deg, var(--color-dark) 0%, #2d2d2d 100%);
  margin-top: 5rem;
  padding: 3rem 0 !important;
  border-top: 3px solid var(--color-accent-pink);
  color: var(--color-white) !important;
  text-align: center !important;
}

footer p {
  font-size: 0.95rem;
  margin: 0.4rem 0;
  line-height: 1.6;
  color: var(--color-white) !important;
  text-align: center !important;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

footer .fw-semibold {
  color: var(--color-accent-pink);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: block;
  text-align: center !important;
}

footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

@media (max-width: 992px) {
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  :root {
    --card-height: 320px;
  }
}

@media (max-width: 768px) {
  .navbar-nav {
    background: rgba(0, 0, 0, 0.95);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
  }
  
  .nav-link {
    text-align: left;
  }
  
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .animal-name {
    font-size: 1.2rem;
    padding: 12px 20px;
  }
  
  :root {
    --card-height: 300px;
  }
}

@media (max-width: 576px) {
  .navbar-logo {
    width: 40px !important;
    height: 40px !important;
  }
  
  .brand-text {
    font-size: 1.1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .animal-name {
    font-size: 1.1rem;
    padding: 10px 18px;
  }
  
  :root {
    --card-height: 280px;
  }
  
  .flip-card-back {
    padding: 1.5rem;
  }
  
  .card-back-content p {
    font-size: 0.95rem;
  }
}

@media (max-width: 400px) {
  .hero-title {
    font-size: 1.8rem;
  }
  
  .animal-name {
    font-size: 1rem;
    padding: 8px 16px;
  }
  
  :root {
    --card-height: 260px;
  }
}

h1.hero-title,
p.hero-subtitle {
  color: white !important;
}

footer,
footer p,
footer .container p {
  color: white !important;
}