:root {
  --bg-primary: #3b2b46;
  --bg-surface: #424e5e;
  --bg-surface-glass: rgba(66, 78, 94, 0.75);
  --text-main: #ffffea;
  --text-muted: #a795a5;
  --accent-cyan: #7a959e;
  --border-color: rgba(122, 149, 158, 0.25);
  --font-heading: 'Cinzel', 'Plus Jakarta Sans', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-speed: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.8;
  font-size: 0.95rem;
  font-weight: 300; /* Texto más delgado y elegante */
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

body.loaded {
  opacity: 1;
}

/* --- PRELOADER EXCLUSIVO INDEX --- */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(167, 149, 165, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* --- BANNER GOOGLE ADS COMPLIANCE --- */
.disclaimer-banner {
  background: linear-gradient(135deg, #424e5e 0%, #3b2b46 100%);
  color: var(--text-main);
  text-align: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 1001;
}

.disclaimer-banner span {
  text-transform: uppercase;
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-right: 0.5rem;
  font-weight: 600;
}

/* --- LAYOUT & NAVEGACIÓN LATERAL ESCALONADA --- */
.layout-wrapper {
  display: flex;
  min-height: 100vh;
}

.sidebar-nav {
  width: 280px;
  background-color: rgba(66, 78, 94, 0.5);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.5rem 2rem;
  z-index: 100;
}

.brand-container .brand-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.brand-container .brand-logo span {
  color: var(--accent-cyan);
}

.brand-container .brand-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 0.25rem;
  font-weight: 300;
}

.nav-links {
  list-style: none;
  margin-top: 2rem;
}

.nav-links li {
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateX(-15px);
  animation: slideInNav 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

@keyframes slideInNav {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 300;
  font-size: 0.9rem;
  display: inline-block;
  transition: color var(--transition-speed), transform var(--transition-speed);
  padding: 0.4rem 0;
  letter-spacing: 0.02em;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-main);
  transform: translateY(-3px) scale(1.03);
}

.sidebar-footer {
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  font-weight: 300;
}

.main-content {
  margin-left: 280px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* --- FOTOGRAFÍAS CON FORMAS ORGÁNICAS Y ANIMACIONES --- */
.organic-img-1 {
  border-radius: 255px 15px 225px 15px/15px 225px 15px 255px;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  object-fit: cover;
}

.organic-img-2 {
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  object-fit: cover;
}

.organic-img-3 {
  border-radius: 50% 20% 50% 20% / 20% 50% 20% 50%;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  object-fit: cover;
}

.organic-img-1:hover, .organic-img-2:hover, .organic-img-3:hover {
  transform: scale(1.04) rotate(1deg);
  filter: brightness(1.1);
}

/* --- HERO EDITORIAL FINANCIERO --- */
.hero-editorial {
  position: relative;
  padding: 8rem 4rem 6rem 4rem;
  background: radial-gradient(circle at 80% 20%, rgba(122, 149, 158, 0.15) 0%, transparent 60%),
              var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.hero-editorial h1 {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}

.hero-editorial h1 span {
  font-weight: 700;
  color: var(--accent-cyan);
}

.hero-editorial p {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 300;
  margin-bottom: 2.5rem;
  max-width: 700px;
}

/* --- BOTONES CON RETROALIMENTACIÓN Y ALTERNANCIA --- */
.cta-group {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.btn-interactive {
  position: relative;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.2s ease, background-color 0.3s ease, border-color 0.3s ease;
  display: inline-block;
  border: none;
  font-size: 0.9rem;
}

.btn-interactive.primary {
  background-color: var(--accent-cyan);
  color: var(--bg-primary);
  font-weight: 600;
}

.btn-interactive.secondary {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-interactive:active {
  transform: scale(0.96);
}

.btn-interactive.primary.alt-state {
  background-color: var(--text-main);
  color: var(--bg-primary);
}

.btn-interactive.secondary.alt-state {
  background-color: var(--bg-surface);
  border-color: var(--accent-cyan);
}

/* --- TARJETAS GLASSMORPHIC CON BRILLO --- */
.glass-card {
  position: relative;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem;
  overflow: hidden;
  transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: var(--y, 0);
  left: var(--x, 0);
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(122, 149, 158, 0.3) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

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

/* --- NUEVA ARQUITECTURA: 8 SECCIONES ÚNICAS Y ASIMÉTRICAS --- */
.arch-section {
  padding: 6rem 4rem;
  border-bottom: 1px solid var(--border-color);
}

.arch-header {
  max-width: 750px;
  margin-bottom: 3.5rem;
}

.arch-header h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.arch-header p {
  color: var(--text-muted);
  font-weight: 300;
  font-size: 1.05rem;
}

/* Diseños estructurales totalmente alternados */
.layout-mosaic-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.layout-triple-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.layout-asymmetric-columns {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 3rem;
  align-items: center;
}

.layout-staggered-rows {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* --- FOOTER --- */
.footer-corporate {
  background-color: var(--bg-surface);
  padding: 4rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 300;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--text-main);
  font-family: var(--font-heading);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  font-weight: 400;
}

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

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.footer-col ul a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.75rem;
}

@media (max-width: 1100px) {
  .layout-mosaic-split, .layout-triple-card, .layout-asymmetric-columns { grid-template-columns: 1fr; }
  .hero-editorial, .arch-section, .footer-corporate { padding: 4rem 2rem; }
  .main-content { margin-left: 0; }
  .sidebar-nav { position: relative; width: 100%; height: auto; }
}