/* ==========================================================================
   NEMO ENTRENAMIENTO - Minimalist Athletic Stylesheet
   Paleta: Celeste (#0284c7, #0ea5e9, #38bdf8, #e0f2fe), Blanco (#ffffff), 
   Gris Claro (#f8fafc), Carbón Suave (#0f172a).
   ========================================================================== */

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

:root {
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Colores */
  --color-celeste-50: #f0f9ff;
  --color-celeste-100: #e0f2fe;
  --color-celeste-200: #bae6fd;
  --color-celeste-300: #7dd3fc;
  --color-celeste-400: #38bdf8;
  --color-celeste-500: #0ea5e9;
  --color-celeste-600: #0284c7;
  --color-celeste-700: #0369a1;
  --color-celeste-900: #0c4a6e;
  
  --color-white: #ffffff;
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-400: #94a3b8;
  --color-slate-600: #475569;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 25px -3px rgb(0 0 0 / 0.07), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-celeste: 0 10px 25px -5px rgba(14, 165, 233, 0.25);
  
  --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-lg: 1.25rem;
  --radius-xl: 1.75rem;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-primary);
  color: var(--color-slate-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Tipografía de jerarquía limpia */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-primary);
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* Glassmorphism Header */
.glass-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition-smooth);
}

.glass-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}

/* Botones con estilo minimalista y deportivo */
.btn-celeste {
  background-color: var(--color-celeste-600);
  color: var(--color-white);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 9999px;
  padding: 0.75rem 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-celeste);
  text-decoration: none;
}

.btn-celeste:hover {
  background-color: var(--color-celeste-500);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -4px rgba(14, 165, 233, 0.35);
}

.btn-celeste:active {
  transform: translateY(0);
}

.btn-outline-celeste {
  border: 2px solid var(--color-celeste-600);
  color: var(--color-celeste-700);
  background: transparent;
  font-weight: 600;
  border-radius: 9999px;
  padding: 0.75rem 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.btn-outline-celeste:hover {
  background-color: var(--color-celeste-50);
  border-color: var(--color-celeste-500);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-slate-900);
  font-weight: 700;
  border-radius: 9999px;
  padding: 0.85rem 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.btn-white:hover {
  background: var(--color-celeste-50);
  color: var(--color-celeste-700);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.18);
}

/* Efectos de badge y sutiles acentos */
.badge-celeste {
  background-color: var(--color-celeste-100);
  color: var(--color-celeste-700);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  display: inline-block;
}

/* Hero Section Styling */
.hero-wrapper {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #0f172a;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.65) 50%, rgba(2, 132, 199, 0.45) 100%);
  z-index: 1;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.03);
  animation: heroZoom 20s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

/* Canvas de partículas neuronales / movimiento */
#neural-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.65;
}

/* Diagrama de Venn SVG y botones interactivos */
.venn-svg-circle {
  cursor: pointer;
  transition: all 0.3s ease;
}

.venn-svg-circle:hover {
  filter: brightness(1.2);
}

.venn-circle-btn {
  transition: var(--transition-smooth);
}

.venn-circle-btn.active {
  background-color: rgba(14, 165, 233, 0.25);
  border-color: #38bdf8;
  color: #ffffff;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.3);
}

/* Timeline Histórico */
.timeline-track {
  position: relative;
}

.timeline-track::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #bae6fd, #0284c7, #bae6fd);
  transform: translateX(-50%);
}

@media (max-width: 768px) {
  .timeline-track::before {
    left: 24px;
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 3.5rem;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 1.5rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-white);
  border: 4px solid var(--color-celeste-600);
  transform: translateX(-50%);
  z-index: 5;
  transition: var(--transition-smooth);
}

@media (max-width: 768px) {
  .timeline-dot {
    left: 24px;
  }
}

.timeline-item:hover .timeline-dot {
  background: var(--color-celeste-500);
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.6);
}

/* Mosaico Galería Dinámica */
.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .mosaic-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .mosaic-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 240px;
  }
  
  .mosaic-item.large {
    grid-column: span 2;
    grid-row: span 2;
  }
  
  .mosaic-item.wide {
    grid-column: span 2;
    grid-row: span 1;
  }
  
  .mosaic-item.tall {
    grid-column: span 1;
    grid-row: span 2;
  }
}

.mosaic-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.25rem;
  height: 100%;
  min-height: 220px;
  cursor: pointer;
  background-color: var(--color-slate-100);
}

.mosaic-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.mosaic-card:hover img {
  transform: scale(1.08);
}

.mosaic-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: white;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.mosaic-card:hover .mosaic-overlay {
  opacity: 1;
}

/* Botón flotante WhatsApp */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 62px;
  height: 62px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  z-index: 99;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.floating-whatsapp:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55);
}

.floating-whatsapp::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25d366;
  opacity: 0.8;
  animation: pulseWave 2s infinite;
}

@keyframes pulseWave {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Tooltip WhatsApp */
.whatsapp-tooltip {
  position: absolute;
  right: 75px;
  background: #0f172a;
  color: white;
  padding: 0.5rem 0.9rem;
  border-radius: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-lg);
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Scroll reveal utility classes */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Estilos de tabla / tarjetas de horarios */
@keyframes scheduleFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.schedule-card {
  animation: scheduleFadeIn 0.35s ease-out forwards;
  transition: var(--transition-smooth);
  border: 1px solid var(--color-slate-200);
}

.schedule-card:hover {
  border-color: var(--color-celeste-400);
  box-shadow: 0 10px 25px -4px rgba(14, 165, 233, 0.12);
  transform: translateY(-2px);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  opacity: 1;
  pointer-events: auto;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #93c5fd;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3b82f6;
}