/* Variables CSS modernas */
:root {
  --primary: linear-gradient(135deg, #4A00E0 0%, #8E2DE2 100%);
  --primary-solid: #6B00FF;
  --secondary: #1A1A1A;
  --accent: #FFD700;
  --bg-light: #f8f9fa;
  --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  --shadow-light: 0 4px 15px rgba(0,0,0,0.1);
  --shadow-hover: 0 8px 25px rgba(0,0,0,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 16px;
  --border-radius-large: 24px;
}

/* Reset y base */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-gradient);
  color: var(--secondary);
  margin: 0;
  padding: 0;
  padding-bottom: 70px;
  overflow-x: hidden;
  animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Navbar moderna */
.navbar {
  background: var(--primary);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
}

/* Navbar dark for non-index pages */
.navbar-dark {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%) !important;
  backdrop-filter: none !important;
}

.navbar-brand {
  transition: var(--transition);
}

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

.nav-link {
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.dropdown-menu {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.95);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Footer */
.footer {
  background: linear-gradient(135deg, var(--secondary) 0%, #2d2d2d 100%);
  color: white;
  font-weight: 500;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.1);
}

/* Cards modernas */
.card {
  border: none;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  overflow: hidden;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.9);
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.card-img-top {
  transition: var(--transition);
  height: 200px;
  object-fit: cover;
}

.card:hover .card-img-top {
  transform: scale(1.1);
}

.card-body {
  padding: 20px;
}

.card-title {
  font-weight: bold;
  color: #2a2a72;
  margin-bottom: 10px;
}

.card-text {
  font-size: 15px;
  color: #555;
  margin-bottom: 15px;
}

/* Botones modernos */
.btn {
  border-radius: 50px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  border: none;
  padding: 12px 24px;
}

/* Botones con círculos de colores distintivos siempre visibles */
.btn-outline-success.promo-btn {
  background: transparent;
  border: 4px solid #28a745;
  border-radius: 50px;
  color: #28a745;
  font-weight: bold;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-outline-success.promo-btn:hover {
  color: white;
  background: #28a745;
  transform: scale(1.05);
}

.btn-outline-info.promo-btn {
  background: transparent;
  border: 4px solid #17a2b8;
  border-radius: 50px;
  color: #17a2b8;
  font-weight: bold;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-outline-info.promo-btn:hover {
  color: white;
  background: #17a2b8;
  transform: scale(1.05);
}

.btn-outline-warning.promo-btn {
  background: transparent;
  border: 4px solid #ffc107;
  border-radius: 50px;
  color: #ffc107;
  font-weight: bold;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-outline-warning.promo-btn:hover {
  color: #000;
  background: #ffc107;
  transform: scale(1.05);
}

/* Ajustes para móviles */
@media (max-width: 768px) {
  .btn-outline-success.promo-btn {
    font-size: 0.8rem;
    padding: 12px 24px;
    margin: 5px;
    border: 4px solid #28a745;
    text-align: center;
    word-wrap: break-word;
    white-space: normal;
  }

  .btn-outline-info.promo-btn {
    font-size: 0.8rem;
    padding: 12px 24px;
    margin: 5px;
    border: 4px solid #17a2b8;
    text-align: center;
    word-wrap: break-word;
    white-space: normal;
  }

  .btn-outline-warning.promo-btn {
    font-size: 0.8rem;
    padding: 12px 24px;
    margin: 5px;
    border: 4px solid #ffc107;
    text-align: center;
    word-wrap: break-word;
    white-space: normal;
  }

  .btn-outline-primary.btn-sm {
    border: 4px solid var(--primary-solid);
  }

  .btn-outline-primary.btn-sm:hover {
    box-shadow: 0 0 0 15px rgba(0, 123, 255, 0.8);
  }

  /* Cambiar a columna en móviles para mejor visibilidad */
  .d-flex.gap-2 {
    flex-direction: column;
    align-items: flex-start;
  }

  .d-flex.gap-2 .btn {
    width: auto;
    margin-bottom: 12px;
  }
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  transition: width 0.6s, height 0.6s;
  transform: translate(-50%, -50%);
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--primary);
  box-shadow: 0 4px 15px rgba(107, 0, 255, 0.3);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #5a00d4 0%, #7c3aed 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(107, 0, 255, 0.4);
}

.btn-outline-primary {
  color: var(--primary-solid);
  border: 2px solid var(--primary-solid);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(107, 0, 255, 0.3);
}

.btn-outline-secondary {
  border: 2px solid #6c757d;
  color: #6c757d;
  background: transparent;
}

.btn-outline-secondary:hover {
  background: #6c757d;
  color: white;
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #c82333 0%, #a02622 100%);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, #198754 0%, #157347 100%);
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, #157347 0%, #0f5132 100%);
  transform: translateY(-2px);
}

.btn-warning {
  background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
  color: #000;
}

.btn-warning:hover {
  background: linear-gradient(135deg, #e0a800 0%, #d39e00 100%);
  transform: translateY(-2px);
}

/* Formularios modernos */
.form-control, .form-select {
  border-radius: 12px;
  border: 2px solid #e9ecef;
  padding: 12px 16px;
  transition: var(--transition);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-solid);
  box-shadow: 0 0 0 0.2rem rgba(107, 0, 255, 0.25);
  background: white;
}

.form-control::placeholder {
  transition: var(--transition);
  opacity: 0.6;
  color: black !important;
}

.form-control:focus::placeholder {
  opacity: 0.3;
  transform: translateY(-2px);
}

/* Badges */
.badge {
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(107, 0, 255, 0.2);
  transition: var(--transition);
}

.badge:hover {
  transform: scale(1.05);
}

/* Badge service específico para servicios de gimnasio */
.badge-service {
  background: #ff6b35;
  color: white;
  border: 3px solid #e55a2b;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  margin: 2px;
  padding: 8px 16px;
  border-radius: 25px;
  box-shadow: 0 4px 12px rgba(255,107,53,0.4);
  font-size: 0.9rem;
}

/* Star rating */
.star-rating {
  color: var(--accent);
  font-size: 1.2rem;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

/* Hero Banner moderno */
.hero-banner {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}



.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
  color: white;
  max-width: 800px;
  padding: 0 20px;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(50px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  color: white !important;
  font-weight: bold;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Carousel */
#heroCarousel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#heroCarousel .carousel-item img {
  height: 100vh;
  width: 100%;
  object-fit: cover;
}

.carousel-control-prev,
.carousel-control-next {
  width: 5%;
  opacity: 0.8;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  background-color: rgba(0,0,0,0.5);
  border-radius: 50%;
  padding: 10px;
}

/* Search box moderna */
.search-box {
  max-width: 600px;
  margin: 0 auto;
  animation: fadeInUp 1.2s ease-out;
  position: relative;
}

.search-box .form-control:invalid {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.search-box .form-control:invalid:not(:placeholder-shown) {
  margin-bottom: 0;
}

.search-box .form-control:invalid:not(:placeholder-shown) + .btn {
  margin-top: 2rem;
}

.search-box .form-control:valid {
  border-color: var(--primary-solid);
}

/* Custom validation message positioning */
.search-box input:invalid:not(:placeholder-shown)::after {
  content: "Este campo es obligatorio";
  position: absolute;
  bottom: -25px;
  left: 0;
  color: #dc3545;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

/* Shake animation for invalid input */
.search-box input:invalid:not(:placeholder-shown) {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes fadeInUp {
  from { opacity: 0; }
  to { opacity: 1; }
}

.search-box .form-control {
  border-radius: 25px 0 0 25px;
  border: 2px solid var(--primary-solid);
  padding: 12px 20px;
  font-size: 1rem;
  background: rgba(255,255,255,0.9);
}

.search-box .btn {
  border-radius: 0 25px 25px 0;
  background: var(--primary);
  border: 2px solid var(--primary-solid);
  padding: 12px 24px;
  font-weight: 600;
  color: white !important;
}

.search-box .btn:hover {
  background: linear-gradient(135deg, #5a00d4 0%, #7c3aed 100%);
  border-color: #5a00d4;
  transform: translateY(-2px);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  animation: fadeInUp 0.8s ease-out;
}

/* Filter buttons */
.filter-btn {
  display: inline-block;
  padding: 10px 24px;
  margin: 5px;
  border-radius: 50px;
  border: 2px solid var(--primary-solid);
  background: transparent;
  color: var(--primary-solid);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.filter-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary);
  transition: var(--transition);
  z-index: -1;
}

.filter-btn:hover::before,
.filter-btn.active::before {
  left: 0;
}

.filter-btn:hover,
.filter-btn.active {
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(107, 0, 255, 0.3);
}

/* Alertas modernas */
.alert {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--shadow-light);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.9);
}

/* Modales modernos */
.modal-content {
  border-radius: var(--border-radius-large);
  border: none;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  backdrop-filter: blur(20px);
  background: rgba(255,255,255,0.95);
}

/* Review cards */
.review-card {
  background: rgba(255,255,255,0.9);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-light);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

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

/* Loading animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-solid);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #5a00d4;
}

/* Dark mode moderno */
[data-bs-theme="dark"] body {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #ffffff;
}

[data-bs-theme="dark"] .card {
  background: rgba(30,30,30,0.9);
  color: #ffffff;
  border: 1px solid #333;
}

[data-bs-theme="dark"] .card-title {
  color: #ffffff;
}

[data-bs-theme="dark"] .card-text {
  color: #cccccc;
}

[data-bs-theme="dark"] .btn-outline-secondary {
  border-color: #6c757d;
  color: #6c757d;
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
  background-color: #6c757d;
  color: #ffffff;
}

[data-bs-theme="dark"] .filter-btn {
  border-color: var(--primary-solid);
  color: var(--primary-solid);
}

[data-bs-theme="dark"] .filter-btn:hover,
[data-bs-theme="dark"] .filter-btn.active {
  background: var(--primary);
  color: #ffffff;
}

[data-bs-theme="dark"] .alert {
  background: rgba(42,42,42,0.9);
  color: #ffffff;
  border: 1px solid #555;
}

[data-bs-theme="dark"] .review-card {
  background: rgba(30,30,30,0.9);
  border: 1px solid #333;
}

[data-bs-theme="dark"] .star-rating {
  color: var(--accent);
}

[data-bs-theme="dark"] .badge-service {
  background: var(--primary-solid);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.1);
}

/* Hidden class for additional services */
.hidden {
  display: none !important;
}

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

  .hero-content p {
    font-size: 1rem;
  }

  .search-box {
    padding: 0 10px;
  }

  .search-box .form-control,
  .search-box .btn {
    font-size: 0.9rem;
  }

  .navbar-brand img {
    height: 25px;
  }

  .card-img-top {
    height: 150px;
  }

  .btn:active::before {
    width: 200px;
    height: 200px;
  }

  /* Servicios Populares - distribución en filas de 4 botones */
  .d-flex.justify-content-center.flex-wrap.gap-2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    max-width: 100%;
  }

  .d-flex.justify-content-center.flex-wrap.gap-2 .filter-btn {
    flex: 0 0 auto;
    width: calc(25% - 6px); /* 4 botones por fila */
    min-width: 80px;
    margin: 3px;
    text-align: center;
    font-size: 0.8rem;
    padding: 8px 12px;
  }

  /* Para móviles muy pequeños, ajustar a 2 botones por fila si es necesario */
  @media (max-width: 480px) {
    .d-flex.justify-content-center.flex-wrap.gap-2 .filter-btn {
      width: calc(50% - 6px); /* 2 botones por fila en móviles muy pequeños */
      min-width: 100px;
      font-size: 0.75rem;
      padding: 6px 10px;
    }
  }

  /* Botones de gimnasio - mantener distribución horizontal */
  .d-flex.gap-2 {
    flex-direction: row !important;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
  }

  .d-flex.gap-2 .btn {
    flex: 1;
    min-width: 120px;
    margin-bottom: 8px;
  }

  /* Asegurar que los botones promo mantengan sus estilos */
  .btn-outline-success.promo-btn,
  .btn-outline-info.promo-btn,
  .btn-outline-warning.promo-btn {
    flex: 1;
    min-width: 120px;
    margin: 4px;
    font-size: 0.85rem;
    padding: 10px 16px;
    text-align: center;
    word-wrap: break-word;
    white-space: normal;
    border: 4px solid;
  }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-banner {
    height: 80vh;
  }

  .card:hover {
    transform: none;
  }
}