/* ==========================================================================
   LexVanguardia - Estilos Evolucionados & Secciones Dinámicas (site.css)
   ========================================================================== */

:root {
  --c-bg: #121011;
  --c-surface: #1a1718;
  --c-card: rgba(26, 23, 24, 0.75);
  --p-rose-base: #bda0a2;
  --p-cream: #ffe6db;
  --p-cyan: #d1eaee;
  --p-stone: #cbc8b5;
  --p-coral: #efb0a9;
  --border-glass: rgba(209, 234, 238, 0.15);
  --font-heading: 'Cinzel', serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  background-color: var(--c-bg);
  color: var(--p-cream);
  font-family: var(--font-body);
  line-height: 1.8;
  overflow-x: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Pantalla de Carga (Exclusiva Index) */
#page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--c-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.loader-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid rgba(239, 176, 169, 0.2);
  border-top-color: var(--p-coral);
  border-radius: 50%;
  animation: spinLoader 0.5s linear infinite;
}

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

/* Aviso Institucional */
.disclaimer-banner {
  background: linear-gradient(90deg, #2a1f21, #1e1718);
  color: var(--p-coral);
  font-size: 0.75rem;
  text-align: center;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border-glass);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  position: relative;
  z-index: 1000;
}

/* Cabecera y Navegación Escalonada */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background-color: rgba(26, 23, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  position: sticky;
  top: 0;
  z-index: 900;
}

.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--p-cream);
  text-decoration: none;
}

.brand-logo span {
  color: var(--p-coral);
}

.nav-staggered {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-staggered li {
  opacity: 0;
  transform: translateY(-15px);
  animation: slideDownNav 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

@keyframes slideDownNav {
  to { opacity: 1; transform: translateY(0); }
}

.nav-staggered a {
  color: var(--p-stone);
  text-decoration: none;
  font-size: 0.9rem;
  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-staggered a:hover {
  color: var(--p-cyan);
  transform: translateY(-4px) scale(1.05);
}

/* Hero con Animación de Fondo Viva (Canvas Dinámico) */
.hero-abstract {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 5%;
  overflow: hidden;
  text-align: center;
}

#hero-canvas-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-inner-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.hero-title-animated {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--p-cream);
  animation: trackingIn 1.2s cubic-bezier(0.215, 0.61, 0.355, 1) both;
}

@keyframes trackingIn {
  0% { letter-spacing: -0.5em; opacity: 0; transform: translateY(20px); }
  40% { opacity: 0.6; }
  100% { opacity: 1; transform: translateY(0); letter-spacing: normal; }
}

.hero-title-animated span {
  color: var(--p-coral);
  display: block;
  font-size: 2rem;
  margin-top: 0.5rem;
}

/* Retroalimentación de Botones */
.btn-interactive {
  display: inline-block;
  padding: 1rem 2.8rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-variant-A {
  background-color: var(--p-coral);
  color: var(--c-bg);
  border: 1px solid var(--p-coral);
}

.btn-variant-B {
  background-color: transparent;
  color: var(--p-cyan);
  border: 1px solid var(--p-cyan);
  margin-left: 1rem;
}

.btn-clicked-effect-1 {
  animation: clickPulse 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: var(--p-cyan) !important;
  color: var(--c-bg) !important;
}

.btn-clicked-effect-2 {
  animation: clickShake 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: var(--p-rose-base) !important;
  color: var(--p-cream) !important;
}

@keyframes clickPulse {
  0% { transform: scale(1); }
  50% { transform: scale(0.94); box-shadow: 0 0 20px var(--p-cyan); }
  100% { transform: scale(1); }
}

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

/* Tarjetas Glassmorphic con Brillo Dinámico */
.glass-card {
  background: var(--c-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: var(--glow-y, -100px);
  left: var(--glow-x, -100px);
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(209, 234, 238, 0.18) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
  opacity: 0;
}

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

.glass-card:hover {
  transform: translateY(-6px);
  border-color: var(--p-cyan);
}

/* Estilo para Texto Encimado sobre Imágenes */
.image-overlay-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-glass);
  min-height: 400px;
  display: flex;
  align-items: flex-end;
}

.image-overlay-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  filter: brightness(0.65) contrast(105%);
}

.image-overlay-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 30%, rgba(18, 16, 17, 0.95) 100%);
  z-index: 2;
}

.overlay-content {
  position: relative;
  z-index: 3;
  padding: 3rem;
  width: 100%;
}

/* Sección de Testimonios Interactivos */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.testimonial-card {
  background: var(--c-surface);
  border: 1px solid var(--border-glass);
  border-radius: 12px;
  padding: 3rem 2rem;
  position: relative;
}

.testimonial-card p {
  color: var(--p-stone);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* 11 Secciones Únicas */
.sec-unique-1 { padding: 7rem 5%; max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.sec-unique-2 { padding: 7rem 5%; background-color: rgba(26, 23, 24, 0.4); border-top: 1px solid var(--border-glass); border-bottom: 1px solid var(--border-glass); }
.sec-unique-3 { padding: 7rem 5%; max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 4rem; align-items: center; }
.sec-unique-4 { padding: 7rem 5%; background: linear-gradient(135deg, rgba(189,160,162,0.05), rgba(209,234,238,0.05)); }
.sec-unique-5 { padding: 7rem 5%; max-width: 1400px; margin: 0 auto; }
.sec-unique-6 { padding: 7rem 5%; background-color: var(--c-surface); border-top: 1px solid var(--border-glass); }
.sec-unique-7 { padding: 7rem 5%; max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.sec-unique-8 { padding: 7rem 5%; background: radial-gradient(circle at center, #1a1718 0%, #121011 100%); text-align: center; }

/* Nuevas Secciones (9, 10, 11) */
.sec-unique-9 { padding: 7rem 5%; max-width: 1400px; margin: 0 auto; }
.sec-unique-10 { padding: 7rem 5%; background-color: rgba(26, 23, 24, 0.6); border-top: 1px solid var(--border-glass); }
.sec-unique-11 { padding: 7rem 5%; max-width: 1400px; margin: 0 auto; }

/* Pie de Página */
.site-footer {
  background-color: var(--c-surface);
  border-top: 1px solid var(--border-glass);
  padding: 4rem 5%;
  text-align: center;
  color: var(--p-stone);
  font-size: 0.85rem;
}

@media(max-width: 1024px) {
  .testimonials-grid, .sec-unique-1, .sec-unique-3, .sec-unique-7 { grid-template-columns: 1fr; }
}