/* BCL Petroleum Group - Custom Color Palette */
:root {
  /* Colores corporativos oficiales */
  --bcl-primary: #0C317A;    /* Azul oscuro corporativo */
  --bcl-gold: #FFD700;       /* Dorado */
  --bcl-red: #DC3545;        /* Rojo */
  --bcl-dark: #151515;       /* Negro */
  --bcl-light: #F8F9FA;      /* Blanco */
  --bcl-gray: #6C757D;       /* Gris */
  --bcl-gray-light: #E9ECEF; /* Gris claro */
  
  /* Variaciones de colores */
  --bcl-primary-dark: #0a2a6b;
  --bcl-primary-light: #1a4a9a;
  --bcl-gold-dark: #E6C200;
  --bcl-gold-light: #FFE44D;
  
  /* Gradientes corporativos */
  --bcl-gradient-primary: linear-gradient(135deg, var(--bcl-primary) 0%, var(--bcl-primary-dark) 100%);
  --bcl-gradient-gold: linear-gradient(135deg, var(--bcl-gold) 0%, var(--bcl-gold-dark) 100%);
  --bcl-gradient-hero: linear-gradient(135deg, var(--bcl-primary) 0%, var(--bcl-red) 40%, var(--bcl-light) 80%);
}

/* Botones personalizados */
.btn-bcl-primary {
  background-color: var(--bcl-primary);
  border-color: var(--bcl-primary);
  color: white;
  transition: all 0.3s ease;
}

.btn-bcl-primary:hover {
  background-color: var(--bcl-primary-dark);
  border-color: var(--bcl-primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(12, 49, 122, 0.3);
}

.btn-bcl-gold {
  background-color: var(--bcl-gold);
  border-color: var(--bcl-gold);
  color: var(--bcl-dark);
  transition: all 0.3s ease;
}

.btn-bcl-gold:hover {
  background-color: var(--bcl-gold-dark);
  border-color: var(--bcl-gold-dark);
  color: var(--bcl-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-bcl-outline {
  background-color: transparent;
  border-color: var(--bcl-primary);
  color: var(--bcl-primary);
  transition: all 0.3s ease;
}

.btn-bcl-outline:hover {
  background-color: var(--bcl-primary);
  border-color: var(--bcl-primary);
  color: white;
  transform: translateY(-2px);
}

/* Texto con colores corporativos */
.text-bcl-primary {
  color: var(--bcl-primary) !important;
}

.text-bcl-gold {
  color: var(--bcl-gold) !important;
}

.text-bcl-red {
  color: var(--bcl-red) !important;
}

/* Fondos con colores corporativos */
.bg-bcl-primary {
  background-color: var(--bcl-primary) !important;
}

.bg-bcl-gold {
  background-color: var(--bcl-gold) !important;
}

.bg-bcl-gradient-primary {
  background: var(--bcl-gradient-primary) !important;
}

.bg-bcl-gradient-gold {
  background: var(--bcl-gradient-gold) !important;
}

.bg-bcl-gradient-hero {
  background: var(--bcl-gradient-hero) !important;
}

/* Navbar personalizado */
.navbar.bcl-navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
}

.navbar.bcl-navbar .navbar-brand {
  color: var(--bcl-primary) !important;
  font-weight: 700;
}

.navbar.bcl-navbar .nav-link {
  color: var(--bcl-dark) !important;
  transition: color 0.3s ease;
}

.navbar.bcl-navbar .nav-link:hover {
  color: var(--bcl-primary) !important;
}

.navbar.bcl-navbar .nav-link.active {
  color: var(--bcl-primary) !important;
  font-weight: 600;
}

/* Cards personalizadas */
.card.bcl-card {
  border: none;
  box-shadow: 0 4px 20px rgba(12, 49, 122, 0.1);
  transition: all 0.3s ease;
}

.card.bcl-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(12, 49, 122, 0.2);
}

.card.bcl-card .card-title {
  color: var(--bcl-primary);
  font-weight: 600;
}

/* Enlaces personalizados */
.link-bcl {
  color: var(--bcl-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.link-bcl:hover {
  color: var(--bcl-primary-dark);
  text-decoration: underline;
}

/* Bordes personalizados */
.border-bcl-primary {
  border-color: var(--bcl-primary) !important;
}

.border-bcl-gold {
  border-color: var(--bcl-gold) !important;
}

/* Sección hero personalizada */
.hero-bcl {
  background: var(--bcl-gradient-hero);
  color: white;
  position: relative;
}

.hero-bcl::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(12, 49, 122, 0.8) 0%, rgba(220, 53, 69, 0.6) 40%, rgba(248, 249, 250, 0.3) 80%);
  z-index: 1;
}

.hero-bcl > * {
  position: relative;
  z-index: 2;
}

.hero-bcl h1 {
  color: white;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
  font-weight: 700;
}

.hero-bcl .lead {
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

/* Números destacados */
.metric-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--bcl-primary);
  line-height: 1;
}

.metric-label {
  font-size: 1.1rem;
  color: var(--bcl-gray);
  font-weight: 500;
}

/* Footer personalizado */
.footer-bcl {
  background-color: var(--bcl-red);
  color: white;
}

.footer-bcl .text-secondary {
  color: rgba(255, 255, 255, 0.7) !important;
}

.footer-bcl .link-secondary {
  color: rgba(255, 255, 255, 0.7) !important;
}

.footer-bcl .link-secondary:hover {
  color: var(--bcl-gold) !important;
}

/* Efectos modernos para logos */
.navbar-logo {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.navbar-logo:hover {
  transform: scale(1.1) rotate(5deg);
  filter: drop-shadow(0 8px 16px rgba(12, 49, 122, 0.3)) brightness(1.1);
}

.navbar-brand:hover .navbar-logo {
  animation: logoGlow 0.6s ease-in-out;
}

@keyframes logoGlow {
  0% {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  }
  50% {
    filter: drop-shadow(0 8px 16px rgba(12, 49, 122, 0.5)) brightness(1.2) saturate(1.2);
  }
  100% {
    filter: drop-shadow(0 8px 16px rgba(12, 49, 122, 0.3)) brightness(1.1);
  }
}

/* Efecto moderno para logo del hero */
.hero-logo {
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.hero-logo:hover {
  transform: scale(1.05) translateY(-5px);
  filter: drop-shadow(0 12px 24px rgba(12, 49, 122, 0.4)) brightness(1.1) saturate(1.1);
  animation: heroLogoFloat 2s ease-in-out infinite;
}

@keyframes heroLogoFloat {
  0%, 100% {
    transform: scale(1.05) translateY(-5px);
  }
  50% {
    transform: scale(1.05) translateY(-8px);
  }
}

/* Botón de retorno al inicio - Gota de petróleo */
.back-to-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 45px;
  height: 45px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  transform: translateY(20px);
}

.back-to-top-btn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.oil-drop {
  width: 100%;
  height: 100%;
  position: relative;
  background: linear-gradient(135deg, #1a1a1a 0%, #000000 50%, #333333 100%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  box-shadow: 
    0 4px 15px rgba(0, 0, 0, 0.3),
    inset 0 2px 5px rgba(255, 255, 255, 0.1),
    inset 0 -2px 5px rgba(0, 0, 0, 0.5);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: oilDropFloat 3s ease-in-out infinite;
}

.oil-drop-inner {
  position: absolute;
  top: 15%;
  left: 20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(circle at 30% 30%, 
    rgba(255, 255, 255, 0.1) 0%, 
    rgba(255, 255, 255, 0.05) 30%, 
    transparent 70%);
  border-radius: 50%;
  animation: oilDropShine 2s ease-in-out infinite alternate;
}

.back-to-top-btn:hover .oil-drop {
  transform: scale(1.1);
  box-shadow: 
    0 6px 20px rgba(0, 0, 0, 0.4),
    inset 0 2px 5px rgba(255, 255, 255, 0.15),
    inset 0 -2px 5px rgba(0, 0, 0, 0.6);
  animation: oilDropHover 0.6s ease-in-out;
}

.back-to-top-btn:active .oil-drop {
  transform: scale(0.95);
  animation: oilDropClick 0.3s ease-in-out;
}

@keyframes oilDropFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-3px) rotate(1deg);
  }
}

@keyframes oilDropShine {
  0% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  100% {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

@keyframes oilDropHover {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15) rotate(5deg);
  }
  100% {
    transform: scale(1.1);
  }
}

@keyframes oilDropClick {
  0% {
    transform: scale(1.1);
  }
  50% {
    transform: scale(0.9) rotate(-2deg);
  }
  100% {
    transform: scale(0.95);
  }
}

/* Responsive para móviles */
@media (max-width: 768px) {
  .back-to-top-btn {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

/* Efectos para sitemap */
.hover-lift {
  transition: all 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  background-color: rgba(12, 49, 122, 0.05);
}

.btn-outline-bcl-primary {
  color: var(--bcl-primary);
  border-color: var(--bcl-primary);
  transition: all 0.3s ease;
}

.btn-outline-bcl-primary:hover {
  background-color: var(--bcl-primary);
  border-color: var(--bcl-primary);
  color: white;
  transform: translateY(-2px);
}

/* Animaciones personalizadas */
@keyframes bcl-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.bcl-animate-fade-in-up {
  animation: bcl-fade-in-up 0.8s ease-out;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .metric-number {
    font-size: 2.5rem;
  }
  
  .hero-bcl h1 {
    font-size: 2.5rem;
  }
}

/* Hover effects para elementos interactivos */
.nav-link, .btn, .card {
  transition: all 0.3s ease;
}

/* Estilos para iconos */
.icon-bcl-primary {
  color: var(--bcl-primary);
}

.icon-bcl-gold {
  color: var(--bcl-gold);
}

/* Estilos para badges */
.badge-bcl-primary {
  background-color: var(--bcl-primary);
  color: white;
}

.badge-bcl-gold {
  background-color: var(--bcl-gold);
  color: var(--bcl-dark);
}

/* Estilos para la sección de servicios con marca de agua de industria petrolera */
#services {
  position: relative;
  overflow: hidden;
}

#services .card {
  background-color: transparent;
  border: none;
  box-shadow: none;
  transition: all 0.3s ease;
}

#services .card:hover {
  transform: translateY(-3px);
}

#services .card .card-title {
  color: white;
  font-weight: 700;
  text-shadow: none;
}

#services .card .card-text {
  color: white;
  text-shadow: none;
  line-height: 1.6;
}

#services h2, #services h3, #services p, #services .lead {
  color: white;
  font-weight: 700;
  text-shadow: none;
}

/* Leadership section improvements */
#leadership .card {
  transition: all 0.3s ease;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(12, 49, 122, 0.1);
}

#leadership .card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(12, 49, 122, 0.2);
}

#leadership .card img {
  object-fit: cover !important;
  border: 3px solid var(--bcl-gold);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

#leadership .card-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

#leadership .text-bcl-gold {
  font-weight: 600;
  font-size: 0.9rem;
}

#leadership .card-text {
  line-height: 1.6;
  font-size: 0.85rem;
}

/* Responsive adjustments for leadership cards */
@media (max-width: 768px) {
  #leadership .col-lg-4 {
    margin-bottom: 1.5rem;
  }
  
  #leadership .card-body {
    padding: 1.5rem !important;
  }
}

/* Estilos específicos para títulos principales */
#services h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

#services .lead {
  font-size: 1.25rem;
  line-height: 1.8;
  font-weight: 600;
}

/* Mejorar contraste de elementos específicos */
#services .text-bcl-primary {
  color: white !important;
  font-weight: 700;
}

#services .border-bcl-primary {
  border-color: white !important;
}