/* ==========================================================================
   Vanguardia Movilidad & Consultoría - Estilos Principales (site.css)
   Paleta: #b9030f, #9e0004, #70160e, #161917, #e1e3db
   ========================================================================== */

:root {
  --c-bg: #161917;             
  --c-surface: #1e2220;        
  --c-primary: #b9030f;        
  --c-primary-dark: #9e0004;   
  --c-deep: #70160e;           
  --text-main: #e1e3db;        
  --text-muted: #9ca3af;       
  --border-color: rgba(225, 227, 219, 0.1);
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  background-color: var(--c-bg);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.7;
}

/* Aviso Institucional Top Bar */
.disclaimer-top-bar {
  background: linear-gradient(90deg, var(--c-deep), var(--c-primary-dark));
  color: var(--text-main);
  font-size: 0.75rem;
  text-align: center;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Cabecera y Navegación */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.8rem 6%;
  max-width: 1400px;
  margin: 0 auto;
}

.brand-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.brand-logo span {
  color: var(--c-primary);
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.main-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: var(--text-main);
}

/* Botones Editoriales (Sin Marcos) */
.btn-editorial {
  display: inline-block;
  background-color: var(--c-primary);
  color: var(--text-main);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 10px 30px rgba(185, 3, 15, 0.35);
}

.btn-editorial:hover {
  background-color: var(--c-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(185, 3, 15, 0.5);
}

.btn-editorial-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--text-main);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid rgba(225, 227, 219, 0.25);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-editorial-outline:hover {
  border-color: var(--text-main);
  background-color: rgba(225, 227, 219, 0.05);
  transform: translateY(-3px);
}

/* ==========================================================================
   MOTOR DE ANIMACIONES DIRECCIONALES EXCLUSIVAS PARA CADA SECCIÓN
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Fallback de seguridad contra pantallas negras */
@media screen {
  .scroll-reveal:not(.revealed) {
    animation: forceRevealSafe 0.1s ease 1.5s forwards;
  }
}

@keyframes forceRevealSafe {
  to {
    opacity: 1;
    transform: none;
  }
}

/* Direcciones Variadas solicitadas */
.from-top { transform: translateY(-70px); }
.from-left { transform: translateX(-90px); }
.from-right { transform: translateX(90px); }
.from-bottom { transform: translateY(70px); }
.from-both-sides { transform: scale(0.92); } /* Efecto expansión simétrica desde el centro */
.from-diagonal-left { transform: translate(-70px, -70px) scale(0.95); }
.from-diagonal-right { transform: translate(70px, 70px) scale(0.95); }
.from-zoom { transform: scale(0.85); }

/* Pie de Página */
.site-footer {
  padding: 6rem 6% 4rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  background-color: #121413;
}