/* Dirección E · Profundidad (2/2): soluciones apiladas, método, plataforma 3D, casos, equipo y contacto. */

/* Soluciones en tarjetas que se apilan al bajar */
.e-soluciones { padding: 104px 0 72px; }
.e-pila { display: grid; }
.e-carta {
  position: relative; display: grid; gap: 24px; align-content: start; margin-bottom: 24px; padding: 28px;
  border-radius: 24px; background: var(--c-bg); color: var(--c-fg); --link: currentColor; --focus: var(--c-fg);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, .28);
}
.e-carta:nth-child(1) { --c-bg: #00767D; --c-fg: #fff; }
.e-carta:nth-child(2) { --c-bg: #F4F2EE; --c-fg: #191517; }
.e-carta:nth-child(3) { --c-bg: #2E282B; --c-fg: #fff; }
.e-carta:nth-child(4) { --c-bg: #DCEEEE; --c-fg: #191517; }
.e-carta:nth-child(5) { --c-bg: #FFCD00; --c-fg: #191517; }
.e-carta-pregunta { margin-bottom: 14px; font-weight: 700; font-size: 1.125rem; opacity: .85; }
.e-carta h3 { margin-bottom: 16px; font-size: clamp(2rem, 4.2vw, 4rem); line-height: .98; }
.e-carta-texto > p:not(.e-carta-pregunta) { max-width: 44ch; margin-bottom: 20px; font-size: 1.125rem; }
.e-carta img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 16px; }
.e-carta .e-carta-captura { object-fit: contain; background: #fff; padding: 8px; }
@media (min-width: 960px) {
  .e-carta {
    position: sticky; top: calc(110px + var(--k) * 18px); grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center;
    min-height: 66vh; margin-bottom: 8vh; padding: 56px;
  }
}
.e-no-se { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; margin-top: 24px; padding: 28px 0; border-top: 1px solid var(--line); }
.e-no-se p { margin: 0; max-width: 60ch; font-size: 1.125rem; }

/* Método con una línea que se dibuja al bajar */
.e-metodo { padding: 112px 0; background: var(--bg-alt); }
.e-metodo-grid { display: grid; gap: 48px; }
.e-metodo-intro h2 { margin-bottom: 18px; font-size: clamp(2.3rem, 4.6vw, 4.4rem); line-height: .98; }
.e-metodo-intro p { max-width: 40ch; color: var(--muted); font-size: 1.15rem; }
.e-metodo-foto { margin-top: 32px; overflow: hidden; border-radius: 18px; }
.e-metodo-foto img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.e-linea { position: relative; padding-left: 52px; }
.e-linea::before, .e-linea::after { content: ""; position: absolute; left: 13px; top: 10px; bottom: 10px; width: 2px; background: var(--line); }
.e-linea::after { background: var(--teal-light); transform-origin: 50% 0; transform: scaleY(clamp(0, calc(var(--p) * 1.7 - .25), 1)); }
.e-linea li { position: relative; padding-bottom: 52px; }
.e-linea li:last-child { padding-bottom: 0; }
.e-punto { position: absolute; left: -52px; top: 6px; width: 28px; height: 28px; border: 2px solid var(--teal-light); border-radius: 50%; background: var(--bg-alt); transition: background-color .5s .3s; }
.e-linea li.is-in .e-punto, html:not(.con-movimiento) .e-punto { background: var(--teal-light); }
.e-linea h3 { margin-bottom: 6px; font-size: clamp(1.8rem, 3vw, 2.8rem); }
.e-linea p { max-width: 40ch; color: var(--muted); font-size: 1.125rem; }
@media (min-width: 960px) {
  .e-metodo-grid { grid-template-columns: 1fr 1fr; gap: 96px; align-items: start; }
  .e-metodo-intro { position: sticky; top: 140px; }
  .e-linea { padding-top: 40px; }
}

/* Plataforma: la pantalla se endereza en 3D */
.e-plataforma { overflow: hidden; padding: 112px 0; }
.e-plataforma .e-lead { color: var(--teal-light); }
.e-escena { position: relative; max-width: 1080px; margin: 0 auto 48px; perspective: 1600px; }
.e-pantalla {
  margin: 0; transform-origin: 50% 100%;
  transform: rotateX(calc((1 - min(var(--p) * 2.3, 1)) * 36deg)) scale(calc(.82 + min(var(--p) * 2.3, 1) * .18));
}
.e-pantalla img { border: 1px solid rgba(255, 255, 255, .16); border-radius: 14px; box-shadow: 0 40px 80px rgba(0, 0, 0, .45); }
.e-pantalla figcaption { margin-top: 14px; color: var(--muted); font-size: .875rem; text-align: center; }
.e-etiqueta {
  position: absolute; margin: 0; padding: 10px 16px; border-radius: 10px; background: #F4F2EE; color: var(--ink);
  font-weight: 700; box-shadow: 0 14px 30px rgba(0, 0, 0, .35);
}
.e-et-1 { left: -3%; top: 12%; }
.e-et-2 { right: -4%; top: 26%; background: var(--yellow); }
.e-et-3 { left: 3%; bottom: 22%; background: var(--teal-light); }
.e-et-4 { right: 1%; bottom: 10%; }
@media (max-width: 719px) {
  .e-etiqueta { position: static; display: inline-block; margin: 8px 6px 0 0; box-shadow: none; transform: none; }
}
.e-acciones-centro { justify-content: center; }
.e-video {
  display: inline-flex; align-items: center; gap: 12px; min-height: 50px; padding: 6px 18px 6px 6px; border: 0;
  border-radius: 999px; background: rgba(255, 255, 255, .1); color: #fff; font-weight: 700; cursor: pointer;
}
.e-video:hover { background: rgba(255, 255, 255, .18); }
.e-video .play { position: relative; width: 38px; height: 38px; border-radius: 50%; background: var(--teal); }
.e-video .play::after { content: ""; position: absolute; left: 15px; top: 12px; border-left: 11px solid #fff; border-top: 7px solid transparent; border-bottom: 7px solid transparent; }

/* Testimonios que se arrastran */
.e-casos { padding: 104px 0; }
.e-carrusel {
  display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 12px max(var(--gutter), calc((100vw - var(--wrap)) / 2)) 40px;
}
.e-carrusel::-webkit-scrollbar { display: none; }
.e-testimonio {
  display: grid; gap: 20px; align-content: start; flex: 0 0 min(84vw, 560px); margin: 0; padding: 36px;
  border-radius: 22px; background: #F4F2EE; color: var(--ink); scroll-snap-align: start;
}
.e-testimonio img { justify-self: start; width: auto; }
.e-testimonio p { margin: 0; font: 800 clamp(1.5rem, 2.4vw, 2.2rem)/1.12 var(--font-head); letter-spacing: -.02em; }
.e-testimonio footer { color: #4B4548; font-size: .9375rem; }
.e-testimonio footer strong { color: var(--ink); }
.e-testimonio-fin { flex-basis: min(70vw, 380px); align-content: center; background: var(--teal-ui); color: #fff; }
.e-testimonio-fin .btn { justify-self: start; }

/* Equipo y libro */
.e-equipo { padding: 112px 0; background: var(--bg-alt); }
.e-equipo-grid { display: grid; gap: 40px; }
.e-retrato { max-width: 460px; margin: 0; overflow: hidden; border-radius: 22px; }
.e-retrato img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 15%; }
.e-equipo h2 { margin-bottom: 20px; font-size: clamp(2.3rem, 4.6vw, 4.4rem); line-height: .98; }
.e-texto { max-width: 52ch; color: var(--muted); }
.e-libro { margin-top: 40px; padding: 26px; border: 1px solid var(--line); border-radius: 18px; }
.e-libro h3 { margin-bottom: 8px; font-size: 1.75rem; }
.e-libro p { color: var(--muted); }
@media (min-width: 960px) { .e-equipo-grid { grid-template-columns: .9fr 1.1fr; gap: 88px; align-items: center; } }

/* Cinta y contacto */
.e-cinta { padding: 18px 0; background: var(--yellow); color: var(--ink); --dur: 22s; }
.e-cinta .marquesina-pista { display: flex; gap: 40px; padding-right: 40px; font: 800 clamp(2rem, 5vw, 4.6rem)/1 var(--font-head); letter-spacing: -.03em; white-space: nowrap; }
.e-contacto { padding: 104px 0 120px; }
.e-contacto-grid { display: grid; gap: 40px; }
.e-contacto h2 { margin-bottom: 20px; font-size: clamp(2.6rem, 6vw, 5.6rem); line-height: .95; }
.e-contacto .e-lead { max-width: 26ch; }
.e-contacto .contacto-directo { display: grid; gap: 6px; margin: 28px 0 32px; }
.e-contacto .contacto-directo a { color: var(--teal-light); font-size: 1.25rem; font-weight: 700; }
.e-form { padding: 28px; border-radius: 22px; background: #F4F2EE; color: var(--ink); --focus: var(--teal-ui); }
@media (min-width: 960px) { .e-contacto-grid { grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; } .e-form { padding: 40px; } }