@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,600;0,700;0,800;1,700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Syne:wght@700;800;900&display=swap');

:root {
  --bg-dark: #050505;
  --bg-surface: #0e0e0e;
  --bg-card: #141414;
  --bg-card-hover: #1a1a1a;
  
  /* Color extraído exactamente del isotipo oficial MONXSTERY */
  --accent-lime: #a6ff00;
  --accent-lime-hover: #c2ff4d;
  --accent-lime-glow: rgba(166, 255, 0, 0.35);
  
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(166, 255, 0, 0.45);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 12% 18%, rgba(20, 45, 25, 0.35) 0%, transparent 45%),
    radial-gradient(circle at 88% 82%, rgba(166, 255, 0, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Tipografía de Impacto & Titulares */
.font-display {
  font-family: 'Syne', sans-serif;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

/* Tipografía Angular Deportiva para Subtitulares y Kicker Tags */
.font-sport {
  font-family: 'Chakra Petch', sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Tracking ancho oficial 'FITNESS CENTER' */
.tracking-logo {
  letter-spacing: 0.32em;
}

/* Textura sutil de ruido / grano industrial */
.bg-grain {
  background-image: radial-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 0);
  background-size: 24px 24px;
}

/* Tarjetas Glassmorphism Oscuro */
.card-glass {
  background: rgba(16, 16, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-glass:hover {
  border-color: rgba(166, 255, 0, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.8), 0 0 24px -4px var(--accent-lime-glow);
}

/* Tarjeta Destacada de Membresía */
.card-featured {
  background: linear-gradient(180deg, rgba(25, 48, 28, 0.65) 0%, rgba(16, 16, 16, 0.95) 100%);
  border: 1px solid var(--accent-lime);
  box-shadow: 0 0 40px -5px var(--accent-lime-glow);
}

/* Glow & Text Effects */
.glow-lime {
  box-shadow: 0 0 25px -3px var(--accent-lime-glow);
}

.text-glow {
  text-shadow: 0 0 24px rgba(166, 255, 0, 0.45);
}

.text-gradient-lime {
  background: linear-gradient(135deg, #ffffff 40%, #a6ff00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Botones Premium */
.btn-primary {
  background-color: var(--accent-lime);
  color: #050505;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 9999px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 22px -2px rgba(166, 255, 0, 0.45);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  background-color: var(--accent-lime-hover);
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(166, 255, 0, 0.65);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  border-radius: 9999px;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Scroll reveal utility */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Lightbox Modal para Galería */
#lightbox-modal {
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#lightbox-modal.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

#lightbox-modal:not(.hidden) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Sticky Mobile Bottom Bar */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 40;
  background: rgba(8, 8, 8, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1rem;
}

/* Barra de Scroll Personalizada */
::-webkit-scrollbar {
  width: 7px;
}
::-webkit-scrollbar-track {
  background: #050505;
}
::-webkit-scrollbar-thumb {
  background: #202020;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-lime);
}