/* =========================================================
   RUTA 15 PASOS — ESTILOS COMPLETOS
   ========================================================= */

/* ---------- Variables de tema ---------- */
:root{
  --bg: #f5f6f8;
  --text: #111827;          /* gris muy oscuro */
  --title: #2c3e50;         /* azul grisáceo */
  --brand: #7c3aed;         /* morado (puntos nav) */
  --accent: #19c20e;        /* verde (iconos) */
  --card-shadow: 0 2px 10px rgba(0,0,0,.08);
  --header-offset: 0px;     /* JS la calculará si tienes barra fija */
}

/* ---------- Reset básico ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }
html { scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}

/* =========================================================
   HERO (pantalla completa)
   ========================================================= */
.hero{
  margin: 0;
  padding: 0 16px; /* sin padding inferior para que no asome el Paso 1 */
  min-height: calc(100vh - var(--header-offset));
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero h1{
  margin: 0;
  text-align: center;
  color: var(--title);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.2vw + 1rem, 2.25rem);
}

/* =========================================================
   SECCIONES (cada "paso")
   ========================================================= */
.paso{
  /* La altura real se ajusta con JS (fitSections), pero
     estos valores sirven como base y evitan cortes. */
  min-height: 100vh;
  padding: 32px 20px;          /* JS recalcula top/bottom para centrar */
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  position: relative;
  box-sizing: border-box;

  /* Visibles por defecto (evita pantallas en blanco si el observer tarda) */
  opacity: 1;
  transform: none;
}
.paso.visible{ opacity: 1; transform: none; }

/* Encabezado con ícono y título */
.paso-header{
  text-align: center;
  margin-bottom: 4px;
  z-index: 1;
}
.paso-header i{
  font-size: 56px;
  color: var(--accent);
  margin-bottom: 6px;
  display: inline-block;
  animation: bounce 2.2s ease-in-out infinite;
}
.paso-header h2{
  margin: 0;
  color: var(--title);
  font-size: clamp(1.25rem, 1vw + 1rem, 1.75rem);
  font-weight: 800;
}

/* Animación sutil del icono */
@keyframes bounce{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-3px); }
}

/* ---------- Grid 2 columnas ---------- */
.paso-grid{
  width: min(1100px, 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 24px;
  align-items: center;
}

/* Columna izquierda: contenedor de imagen con parallax suave */
.paso-media{
  position: relative;
  height: clamp(300px, 46vh, 520px);  /* compacta para que todo quepa en 100vh */
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  background: #fff;
}
.paso-media img{
  width: 100%;
  height: 115%;
  object-fit: cover;
  will-change: transform;
  transform: translateY(0) scale(1.04);
  transform-origin: center top;
  transition: transform .2s ease-out;
}

/* Columna derecha: texto */
.paso-content p{
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.6;
  text-align: left;
  max-width: none;
  color: var(--text);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .paso-grid{ grid-template-columns: 1fr; }
  .paso-media{ height: clamp(240px, 40vh, 420px); }
  .paso-content p{ font-size: 1.05rem; }
}

/* (Opcional) Dejar el header pegado en pantallas grandes */
@media (min-width: 901px){
  .paso-header{
    position: sticky;
    top: 16px;
  }
}

/* =========================================================
   NAVEGACIÓN LATERAL (puntos)
   ========================================================= */
nav.scroll-indicator{
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;                 /* por encima de todo */
  pointer-events: auto;
}
nav.scroll-indicator ul{
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
nav.scroll-indicator li{
  list-style: none !important;
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin: 10px 0;
  cursor: pointer;

  border: 2px solid var(--brand);   /* contorno morado */
  background: transparent;          /* relleno vacío por defecto */
  box-shadow: 0 0 0 2px #fff;       /* halo blanco para contraste */
  transition: transform .2s, background-color .2s, box-shadow .2s;
}
nav.scroll-indicator li:hover{
  transform: scale(1.1);
}
nav.scroll-indicator li.active{
  background: var(--brand);         /* punto activo sólido */
  transform: scale(1.15);
}
/* Safari: ocultar marcador nativo por si aparece */
nav.scroll-indicator li::marker{ content: ""; }

/* =========================================================
   SCROLL SNAP (anclado suave por sección)
   ========================================================= */
html{
  scroll-padding-top: var(--header-offset);
  scroll-snap-type: y proximity;   /* snap suave al hacer wheel */
}
.hero, .paso{ scroll-snap-align: start; }

/* =========================================================
   UTILIDADES
   ========================================================= */
.text-center{ text-align: center; }
.hidden{ display: none !important; }

/* Accesibilidad: reduce animaciones si el usuario lo pide */
@media (prefers-reduced-motion: reduce){
  * { transition: none !important; animation: none !important; }
}

/* ===== Botones y acciones ===== */
.paso-actions{
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.btn{
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.btn:focus{ outline: 2px solid #c7b5ff; outline-offset: 2px; }
.btn-primary{ background: #2563eb; color: #fff; }
.btn-secondary{ background: #7c3aed; color: #fff; }
.btn-outline{ background: transparent; color: #7c3aed; border: 2px solid #7c3aed; }
.btn:hover{ filter: brightness(0.98); transform: translateY(-1px); }

/* ===== Modal / Lightbox ===== */
.modal{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 16px;
}
.modal.open{ display: flex; }
.modal-dialog{
  width: min(960px, 96vw);
  max-height: 85vh;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}
.modal-title{
  margin: 0;
  padding: 16px 20px 0;
  font-size: 1.25rem;
  color: var(--title);
}
.modal-body{
  padding: 12px 20px 20px;
  overflow: auto;
}
.modal-close{
  position: absolute;
  right: 10px;
  top: 8px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 0;
  background: #f3f4f6;
  font-size: 22px;
  cursor: pointer;
}
.modal h3, .modal h4{ margin: 10px 0; color: var(--title); }
.modal ul{ margin: 6px 0 12px 22px; }

/* Chips (Paso 6) */
.chip-group{ display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 10px; }
.chip{
  border: 1px solid #d6d3ff;
  background: #f7f6ff;
  color: #4932a8;
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-weight: 600;
}
.chip.is-active{
  background: #7c3aed;
  border-color: #7c3aed;
  color: #fff;
}
.mod-section.is-hidden{ display: none; }