/* =====================================================================
   DocVia Global Advisory - Hoja de Estilos Principal (/css/site.css)
   Paleta: #752CFC, #302BFC, #B92BFC, #2B68FC, #FC2BFB
   ==================================================================== */

:root {
  --docvia-bg-primary: #080712;
  --docvia-bg-surface: #121024;
  --docvia-bg-card: rgba(18, 16, 36, 0.75);
  
  --docvia-p1: #752CFC;
  --docvia-p2: #302BFC;
  --docvia-p3: #B92BFC;
  --docvia-p4: #2B68FC;
  --docvia-p5: #FC2BFB;
  
  --docvia-text-main: #f8fafc;
  --docvia-text-muted: #a5b4fc;
  --docvia-border: rgba(185, 43, 252, 0.18);
  --docvia-font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --docvia-transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--docvia-font-sans);
  background-color: var(--docvia-bg-primary);
  color: var(--docvia-text-main);
  line-height: 1.7;
  overflow-x: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

body.page-loaded {
  opacity: 1;
  transform: translateY(0);
}

body.page-fade-out {
  opacity: 0;
  transform: translateY(-10px);
}

/* --- Pantalla de Carga Inicial (.5s exclusiva index) --- */
#loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--docvia-bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

#loader-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 56px;
  height: 56px;
  border: 4px solid rgba(117, 44, 252, 0.2);
  border-top-color: var(--docvia-p5);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Aviso Legal Superior Google Ads --- */
.ads-top-disclaimer {
  background: linear-gradient(135deg, #121024, #1f1145);
  border-bottom: 1px solid rgba(252, 43, 251, 0.3);
  color: #f3e8ff;
  font-size: 0.825rem;
  font-weight: 500;
  text-align: center;
  padding: 0.65rem 1rem;
  letter-spacing: 0.025em;
  position: relative;
  z-index: 1000;
}

.ads-top-disclaimer strong {
  color: var(--docvia-p5);
  text-transform: uppercase;
}

/* --- Navegación Principal con Animaciones Escalonadas y Brinco --- */
.main-header {
  background-color: rgba(8, 7, 18, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--docvia-border);
  position: sticky;
  top: 0;
  z-index: 900;
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--docvia-text-main);
  text-decoration: none;
  letter-spacing: -0.03em;
  animation: fadeInDown 0.8s ease backwards;
}

.brand-logo span {
  background: linear-gradient(135deg, var(--docvia-p3), var(--docvia-p5));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-menu li {
  animation: fadeInDown 0.8s ease backwards;
}

.nav-menu li:nth-child(1) { animation-delay: 0.1s; }
.nav-menu li:nth-child(2) { animation-delay: 0.2s; }
.nav-menu li:nth-child(3) { animation-delay: 0.3s; }
.nav-menu li:nth-child(4) { animation-delay: 0.4s; }
.nav-menu li:nth-child(5) { animation-delay: 0.5s; }

.nav-menu a {
  color: var(--docvia-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  display: inline-block;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), color 0.3s ease;
}

.nav-menu a:hover {
  color: var(--docvia-p5);
  transform: translateY(-4px) scale(1.05);
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Botones con Retroalimentación Interactiva por Clic --- */
.btn-cta {
  background: linear-gradient(135deg, var(--docvia-p1), var(--docvia-p2));
  color: #fff;
  padding: 0.8rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 20px rgba(117, 44, 252, 0.4);
  position: relative;
  overflow: hidden;
  transition: var(--docvia-transition);
}

.btn-cta:hover {
  background: linear-gradient(135deg, var(--docvia-p3), var(--docvia-p5));
  box-shadow: 0 6px 25px rgba(252, 43, 251, 0.6);
  transform: translateY(-2px);
}

.btn-cta:active, .btn-clicked {
  transform: scale(0.96) translateY(0) !important;
  box-shadow: 0 2px 10px rgba(252, 43, 251, 0.8) !important;
  filter: brightness(1.2);
}

/* --- Hero Dinámico con Abstracto y Texto Animado --- */
.hero-editorial {
  max-width: 1320px;
  margin: 0 auto;
  padding: 6rem 2rem 5rem 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.hero-bg-abstract {
  position: absolute;
  top: 10%;
  left: 5%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(117, 44, 252, 0.25) 0%, rgba(252, 43, 251, 0.08) 60%, transparent 100%);
  filter: blur(80px);
  z-index: -1;
  animation: pulseBlob 8s ease-in-out infinite alternate;
}

@keyframes pulseBlob {
  0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
  100% { transform: scale(1.2) translate(30px, -20px); opacity: 1; }
}

.hero-content h1 {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-content h1 .anim-text-effect {
  background: linear-gradient(135deg, var(--docvia-p3), var(--docvia-p5), var(--docvia-p4));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShine 4s linear infinite;
  display: inline-block;
}

@keyframes textShine {
  to { background-position: 200% center; }
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--docvia-text-muted);
  margin-bottom: 2.5rem;
}

.hero-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  position: relative;
}

.hero-collage img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--docvia-border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.6);
  transition: var(--docvia-transition);
}

.hero-collage img:hover {
  transform: scale(1.03);
  border-color: var(--docvia-p5);
}

.hero-collage img:nth-child(2) {
  margin-top: 2rem;
}

/* --- Brillo de Mosaico Glassmorphic para Tarjetas --- */
.glass-card {
  background: var(--docvia-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--docvia-border);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--docvia-transition);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(252, 43, 251, 0.15), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.glass-card:hover::before {
  opacity: 1;
}

.glass-card:hover {
  border-color: var(--docvia-p5);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(117, 44, 252, 0.2);
}

/* --- 8 Secciones Nuevas y Arquitecturalmente Únicas --- */

/* Sección 1: Asimétrica Editorial con Split e Imagen Izquierda */
.sec-editorial-split {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
  border-top: 1px solid var(--docvia-border);
}

.sec-editorial-split img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--docvia-border);
}

/* Sección 2: Cuadrícula Dinámica de Estadísticas e Impacto */
.sec-metrics-grid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--docvia-border);
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.metric-box {
  background: var(--docvia-bg-surface);
  border: 1px solid var(--docvia-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.metric-box h3 {
  font-size: 2.5rem;
  color: var(--docvia-p5);
  margin-bottom: 0.5rem;
}

/* Sección 3: Tarjetas Flotantes con Fondo Fotográfico Integrado */
.sec-floating-cards {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--docvia-border);
}

.float-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.float-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 1.5rem;
}

/* Sección 4: Línea de Tiempo de Auditoría Vertical */
.sec-timeline {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--docvia-border);
}

.timeline-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.timeline-step {
  background: var(--docvia-bg-surface);
  border-left: 4px solid var(--docvia-p3);
  padding: 2rem;
  border-radius: 0 12px 12px 0;
  border-top: 1px solid var(--docvia-border);
  border-right: 1px solid var(--docvia-border);
  border-bottom: 1px solid var(--docvia-border);
}

/* Sección 5: Banner Cinematográfico con Imagen de Fondo Parallax/Fija */
.sec-cinematic {
  max-width: 1320px;
  margin: 5rem auto;
  padding: 6rem 3rem;
  border-radius: 20px;
  background: linear-gradient(rgba(8, 7, 18, 0.85), rgba(8, 7, 18, 0.85)), url('https://images.unsplash.com/photo-1521737604893-d14cc237f11d?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  border: 1px solid var(--docvia-border);
  text-align: center;
}

/* Sección 6: Mosaico Asimétrico de 2 Columnas Desiguales */
.sec-asymmetric-mosaic {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 3rem;
  align-items: center;
  border-top: 1px solid var(--docvia-border);
}

.sec-asymmetric-mosaic img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: 16px;
}

/* Sección 7: Panel de Preguntas Destacadas y Cumplimiento */
.sec-compliance-panel {
  max-width: 1320px;
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--docvia-border);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-top: 3rem;
}

/* Sección 8: Cierre Estratégico y Llamado a la Acción Masivo */
.sec-final-cta {
  max-width: 1320px;
  margin: 0 auto 5rem auto;
  padding: 5rem 3rem;
  background: linear-gradient(135deg, rgba(117, 44, 252, 0.15), rgba(252, 43, 251, 0.1));
  border: 1px solid var(--docvia-border);
  border-radius: 20px;
  text-align: center;
}

/* --- Footer Corporativo --- */
.site-footer {
  background-color: var(--docvia-bg-surface);
  border-top: 1px solid var(--docvia-border);
  padding: 4rem 2rem 2rem 2rem;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  font-weight: 600;
  color: var(--docvia-p3);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul a {
  color: var(--docvia-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--docvia-transition);
}

.footer-col ul a:hover {
  color: var(--docvia-p5);
}

.footer-bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--docvia-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--docvia-text-muted);
}

@media (max-width: 968px) {
  .hero-editorial, .sec-editorial-split, .metrics-row, .float-grid, .timeline-container, .sec-asymmetric-mosaic, .compliance-grid, .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-content h1 {
    font-size: 2.75rem;
  }
}