/* ============================================================
   GPI SAS · Scrollytelling de inicio — "Del territorio al dato"
   Foto aérea fija (sticky) sobre la que se van dibujando capas
   (malla predial → puntos de dato → zona priorizada) a medida
   que avanzan los 4 pasos. Sin librerías. Hereda paleta y
   marcas de registro. Respeta prefers-reduced-motion.
   ============================================================ */

.sh-sec .sec-head{margin-bottom:6px}

.sh{
  display:grid;
  grid-template-columns:1.04fr 0.96fr;
  gap:clamp(36px,5vw,84px);
  align-items:start;
  margin-top:46px;
}

/* ---------- Panel fijo ---------- */
.sh-visual{position:sticky;top:92px;align-self:start}
.sh-stage{
  position:relative;
  aspect-ratio:4 / 5;
  max-height:80vh;
  border-radius:var(--radius);
  overflow:hidden;
  isolation:isolate;
  border:1px solid var(--line);
  background:var(--green);
  box-shadow:var(--shadow-3, 0 26px 50px -24px rgba(30,39,34,.30));
}
.sh-base{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0;transform:scale(1.02)}
/* Velado para legibilidad del pie */
.sh-stage::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg, rgba(20,26,22,.32) 0%, rgba(20,26,22,.02) 30%, rgba(20,26,22,.68) 100%)}

.sh-overlay{position:absolute;inset:0;z-index:2;width:100%;height:100%;pointer-events:none}

/* Capas (acumulativas: cada paso añade, no reemplaza) */
.sh-mesh,.sh-points,.sh-hl,.sh-card,.sh-flag{opacity:0;transition:opacity .5s cubic-bezier(.16,.84,.44,1)}
.sh-stage.l-mesh   .sh-mesh{opacity:1}
.sh-stage.l-points .sh-points,
.sh-stage.l-points .sh-card{opacity:1}
.sh-stage.l-hl     .sh-hl,
.sh-stage.l-hl     .sh-flag{opacity:1}

/* Malla predial (líneas crema sobre la foto) */
.sh-mesh path{stroke:rgba(246,242,232,.92);stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.sh-mesh path.lot{stroke:rgba(246,242,232,.7);stroke-width:1.6}

/* Tamaño de las capas dibujadas:
   Las coordenadas de la malla están escritas en el espacio FINAL del viewBox,
   alineadas a las calles reales de la foto (calles verticales x≈137/300/465,
   horizontales y≈210/365/553). En escritorio la transform es identidad para que
   coincidan con las manzanas. El atributo `transform` del SVG (escala 0.8
   centrada) actúa como valor por defecto seguro en móvil, donde el recorte
   `slice` de la imagen es distinto y la alineación exacta no es posible. */
@media (min-width:901px){
  .sh-mesh,.sh-points,.sh-hl{
    transform:none;
    transform-box:view-box;transform-origin:0 0;
  }
}

/* Zona priorizada */
.hl-fill{fill:rgba(168,102,63,.34);stroke:none}
.hl-line{fill:none;stroke:var(--clay,#A8663F);stroke-width:3;stroke-linejoin:round}

/* Puntos de dato */
.sh-points circle{fill:rgba(246,242,232,.95)}
.sh-points circle.accent{fill:var(--clay,#A8663F)}

/* Ficha flotante del predio */
.sh-card{position:absolute;z-index:3;top:15%;right:5.5%;max-width:55%;
  background:rgba(20,26,22,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid rgba(246,242,232,.22);border-radius:14px;padding:13px 15px;color:var(--paper);
  box-shadow:0 12px 30px -14px rgba(0,0,0,.6);transform:translateY(8px);
  transition:opacity .5s cubic-bezier(.16,.84,.44,1),transform .5s cubic-bezier(.16,.84,.44,1)}
.sh-stage.l-points .sh-card{transform:none}
.sh-card .lbl{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#E7D5BD;display:block;margin-bottom:7px}
.sh-card .rec{display:flex;justify-content:space-between;gap:16px;font-size:12.5px;line-height:1.75}
.sh-card .rec span{color:rgba(246,242,232,.72)}
.sh-card .rec b{font-weight:600;color:var(--paper)}

/* Bandera de zona priorizada */
.sh-flag{position:absolute;z-index:3;left:25%;top:58%;transform:translateY(6px);
  background:var(--clay,#A8663F);color:var(--paper);font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:6px 11px;border-radius:100px;white-space:nowrap;box-shadow:0 10px 24px -10px rgba(0,0,0,.6);
  transition:opacity .5s cubic-bezier(.16,.84,.44,1),transform .5s cubic-bezier(.16,.84,.44,1)}
.sh-stage.l-hl .sh-flag{transform:none}

/* Pie: progreso + título activo + coordenada/escala */
.sh-meta{position:absolute;left:24px;right:24px;bottom:22px;z-index:3;color:var(--paper)}
.sh-ticks{display:flex;gap:6px;margin-bottom:14px}
.sh-ticks i{flex:1;height:3px;border-radius:3px;background:rgba(246,242,232,.25);transition:background .45s ease}
.sh-ticks i.on{background:linear-gradient(90deg,var(--clay,#A8663F),#E7D5BD)}
.sh-caption-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
.sh-caption{margin:0}
.sh-caption .t{font-family:var(--serif);font-weight:600;font-size:clamp(18px,1.7vw,24px);line-height:1.12;letter-spacing:-.015em;max-width:18ch;color:var(--paper)}
.sh-coord{font-family:var(--mono);font-size:11px;letter-spacing:.13em;color:rgba(246,242,232,.82);text-align:right;white-space:nowrap}
.sh-coord b{display:block;color:#E7D5BD;margin-bottom:4px;letter-spacing:.13em}

/* ---------- Pasos ---------- */
.sh-steps{display:flex;flex-direction:column}
.sh-step{min-height:80vh;display:flex;flex-direction:column;justify-content:center;padding:5vh 0;
  opacity:.42;transition:opacity .5s cubic-bezier(.16,.84,.44,1)}
.sh-step:first-child{min-height:64vh;justify-content:flex-start;padding-top:0}
.sh-step:last-child{min-height:70vh}
.sh-step.is-current{opacity:1}
.sh-step .s-eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--clay-ink);
  display:flex;align-items:center;gap:11px}
.sh-step .s-eyebrow::before{content:"";width:24px;height:1px;background:var(--clay)}
.sh-step h3{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;line-height:1.08;
  font-size:clamp(26px,3.1vw,40px);margin:16px 0 14px}
.sh-step p{font-size:18px;line-height:1.55;color:var(--ink-soft);max-width:35ch;margin:0}
/* Clímax: la frase de marca como cita editorial */
.sh-step.climax h3{font-style:italic;font-size:clamp(28px,3.6vw,46px);line-height:1.04;color:var(--green)}

/* ---------- Responsive: mapa compuesto + lista ---------- */
@media (max-width:900px){
  .sh{grid-template-columns:1fr;gap:0;margin-top:24px}
  /* mapa fijo arriba; los pasos pasan por debajo y arman las capas */
  .sh-visual{position:sticky;top:74px;z-index:5;align-self:start;margin-bottom:6px}
  .sh-stage{aspect-ratio:auto;height:46vh;max-height:none}
  /* ficha compacta arriba-izquierda; la bandera se mantiene visible */
  .sh-card{top:12px;left:14px;right:auto;max-width:58%;padding:9px 11px;border-radius:11px}
  .sh-card .lbl{font-size:9px;letter-spacing:.1em;margin-bottom:5px}
  .sh-card .rec{gap:10px;font-size:11px;line-height:1.55}
  /* bandera centrada en la zona (más pequeña por el escalado) y separada de la ficha */
  .sh-flag{left:44%;top:55%}
  .sh-meta{left:18px;right:18px;bottom:14px}
  .sh-num{font-size:clamp(34px,9vw,48px);top:14px;left:20px}
  .sh-caption .t{font-size:16px;max-width:20ch}
  .sh-coord{font-size:10px}
  .sh-step{min-height:62vh;opacity:.32;padding:0;border:0}
  .sh-step:first-child{min-height:50vh}
  .sh-step:last-child{min-height:58vh}
  .sh-step.is-current{opacity:1}
  .sh-step p{max-width:none;font-size:16.5px}
  .sh-step.climax h3{font-size:clamp(24px,7vw,30px)}
}

/* ---------- Accesibilidad / movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce){
  .sh-step{opacity:1;transition:none}
  .sh-mesh,.sh-points,.sh-hl,.sh-card,.sh-flag,.sh-ticks i{transition:none}
  .sh-base{transform:none}
}