/* =============================================================
   HabitableWhite · Estudio 3D (estudio-3d.html)
   Se carga después de styles.css y proyecto.css.
   ============================================================= */

/* --- 1. Portada ------------------------------------------------------------ */
.e3-hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: flex-end;
  color: var(--inv-texto); background: var(--noche-alpina); overflow: hidden;
}
.e3-hero-media { position: absolute; inset: 0; }
.e3-hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%; animation: e3-zoom 18s var(--ease-soft) both; }
@keyframes e3-zoom { from { transform: scale(1.08); } to { transform: scale(1); } }
.e3-hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgb(20 32 38 / .5) 0%, transparent 25%),
    linear-gradient(90deg, rgb(20 32 38 / .62) 0%, rgb(20 32 38 / .25) 45%, transparent 70%),
    linear-gradient(0deg, rgb(20 32 38 / .88) 0%, rgb(20 32 38 / .45) 42%, transparent 70%);
}
.e3-hero-inner { position: relative; padding-bottom: clamp(5rem, 12vh, 8rem); padding-top: 8rem; }
.e3-hero-inner .eyebrow { margin-bottom: 1.25rem; }
.e3-hero-title {
  font-size: clamp(2.5rem, 1.4rem + 4.6vw, 6rem); font-weight: 500;
  line-height: 1.02; letter-spacing: -.03em; max-width: 13ch;
}
.e3-hero-text { margin-top: 1.5rem; max-width: 46ch; font-size: var(--fs-lead); line-height: 1.4; color: var(--inv-texto-2); }
.e3-hero-ctas { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }
.e3-hero-note {
  position: absolute; right: var(--gutter); bottom: 1.25rem;
  font-size: .75rem; color: rgb(246 248 248 / .55); display: none;
}

/* --- 2. Cifras ------------------------------------------------------------- */
.e3-stats { padding-block: clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--hairline); }
.e3-stats-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; }
.e3-stats-list > div { display: flex; flex-direction: column-reverse; gap: .4rem; }
.e3-stats-list dd { font-size: clamp(2.5rem, 1.6rem + 3.6vw, 4.75rem); font-weight: 500; letter-spacing: -.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.e3-stats-list dt { font-size: var(--fs-small); color: var(--texto-2); max-width: 22ch; }

/* --- 3. Proceso: presentación movida por el scroll ------------------------- */
.proceso { position: relative; height: 640vh; }
.proceso-stage {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  display: flex; align-items: center; overflow: hidden;
  padding-top: var(--nav-h);
}
.proceso-grid { display: grid; gap: 1.25rem; align-items: center; width: 100%; }
.proceso-copy .eyebrow { margin-bottom: .9rem; }
.proceso-title { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 3.25rem); font-weight: 500; line-height: 1.05; letter-spacing: -.025em; }
.proceso-steps { margin-top: 1.25rem; display: grid; }
.proceso-steps li {
  display: grid; grid-template-columns: 2.5rem 1fr; gap: .5rem;
  padding-block: .55rem; border-top: 1px solid var(--hairline);
  color: var(--texto-2); transition: color .5s var(--ease-out);
}
.proceso-steps li:last-child { border-bottom: 1px solid var(--hairline); }
.proceso-steps .pnum { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); line-height: 2; font-variant-numeric: tabular-nums; }
.proceso-steps h3 { font-size: 1rem; font-weight: 600; letter-spacing: -.01em; line-height: 1.5; }
.proceso-steps p {
  max-height: 0; overflow: hidden; opacity: 0;
  font-size: .9375rem; line-height: 1.5; color: var(--texto-2);
  transition: max-height .6s var(--ease-out), opacity .5s var(--ease-out), margin .6s var(--ease-out);
}
.proceso-steps li.is-active { color: var(--texto); }
.proceso-steps li.is-active .pnum { color: var(--azul-glaciar); }
.proceso-steps li.is-active p { max-height: 6em; opacity: 1; margin-top: .25rem; }

.proceso-view { position: relative; }
.proceso-frames {
  position: relative; aspect-ratio: 16 / 9; max-width: 100%;
  border-radius: 10px; overflow: hidden; background: #ebeae8;
  box-shadow: 0 40px 80px -50px rgb(20 32 38 / .55), 0 0 0 1px rgb(20 32 38 / .06);
}
.pframe {
  position: absolute; inset: 0; margin: 0;
  opacity: 0; transform: scale(1.035);
  transition: opacity .8s var(--ease-out), transform 1.2s var(--ease-out);
}
.pframe.is-active { opacity: 1; transform: none; }
.pframe img, .pframe video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pframe video { opacity: 0; transition: opacity .4s linear; }
.pframe.has-video video { opacity: 1; }
.pframe--paper { background: #fff; }
.pframe--paper img { object-fit: contain; }
.pframe figcaption {
  position: absolute; left: .85rem; bottom: .85rem; z-index: 2;
  font-size: .6875rem; font-weight: 600; letter-spacing: .06em;
  color: var(--blanco-hielo); background: rgb(20 32 38 / .62);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  padding: .5em .9em; border-radius: 999px;
}
.proceso-bar { margin-top: .9rem; height: 2px; background: var(--hairline); border-radius: 2px; overflow: hidden; }
.proceso-bar span { display: block; height: 100%; background: var(--azul-glaciar); transform-origin: 0 50%; transform: scaleX(0); }

/* --- 4. Antes / después ------------------------------------------------------ */
.e3-compare-pair { display: grid; gap: 1.25rem; margin-top: 1.25rem; }
.e3-compare .compare-caption { margin-top: 1.25rem; }

/* --- 5. La herramienta por dentro ------------------------------------------ */
.e3-screen {
  border-radius: 12px; overflow: hidden; background: #141414;
  box-shadow: 0 50px 100px -60px rgb(20 32 38 / .6), 0 0 0 1px rgb(20 32 38 / .08);
}
.e3-screen img { width: 100%; height: auto; }
.e3-chat { margin-top: 1.75rem; display: grid; gap: .9rem; }
.e3-chat-label { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; color: var(--azul-glaciar-hover); }
.e3-chat ul { display: flex; flex-wrap: wrap; gap: .5rem; }
.e3-chat li {
  font-size: var(--fs-small); padding: .6em 1.05em; border-radius: 18px 18px 18px 4px;
  background: var(--hielo); color: var(--noche-alpina);
}
.e3-feats { margin-top: clamp(3.5rem, 7vw, 6rem); display: grid; gap: 2.25rem 2rem; }
.e3-feats li { padding-top: 1.25rem; border-top: 1px solid rgb(20 32 38 / .16); }
.e3-feats h3 { margin-top: .9rem; font-size: var(--fs-h3); font-weight: 600; letter-spacing: -.01em; }
.e3-feats p { margin-top: .5rem; font-size: 1rem; color: var(--texto-2); max-width: 34ch; }

/* --- 6. Galería -------------------------------------------------------------- */
.e3-grid { display: grid; gap: 1rem; }
.e3-shot { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--hielo); }
.e3-shot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.e3-shot:hover img { transform: scale(1.03); }
.e3-shot figcaption {
  position: absolute; left: .85rem; bottom: .85rem;
  font-size: .75rem; font-weight: 600; color: var(--blanco-hielo);
  background: rgb(20 32 38 / .55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  padding: .45em .85em; border-radius: 999px;
}

/* --- 7. Planes ---------------------------------------------------------------- */
.e3-offer .section-intro { color: var(--inv-texto-2); }
.plans { display: grid; gap: 1rem; }
.plan {
  display: flex; flex-direction: column; gap: .85rem;
  padding: clamp(1.5rem, 3vw, 2.25rem); border-radius: 10px;
  background: rgb(246 248 248 / .04); box-shadow: inset 0 0 0 1px var(--inv-hairline);
}
.plan--featured { background: var(--blanco-hielo); color: var(--noche-alpina); box-shadow: none; }
.plan-kicker { display: flex; align-items: center; justify-content: space-between; gap: .75rem; font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; color: var(--inv-texto-2); }
.plan--featured .plan-kicker { color: var(--azul-glaciar-hover); }
.plan-badge { font-size: .625rem; letter-spacing: .1em; padding: .45em .8em; border-radius: 999px; background: var(--azul-glaciar); color: var(--blanco); }
.plan-title { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); font-weight: 500; letter-spacing: -.02em; line-height: 1.1; }
.plan-text { font-size: 1rem; color: var(--inv-texto-2); }
.plan--featured .plan-text { color: var(--texto-2); }
.plan-list { display: grid; gap: .55rem; margin-top: .25rem; font-size: .9375rem; }
.plan-list li { display: grid; grid-template-columns: 1.25rem 1fr; gap: .5rem; }
.plan-list li::before { content: ""; width: .5rem; height: .5rem; margin-top: .55em; border-radius: 50%; background: currentColor; opacity: .5; }
.plan-price { margin-top: auto; padding-top: 1.25rem; border-top: 1px solid var(--inv-hairline); font-size: var(--fs-small); color: var(--inv-texto-2); }
.plan--featured .plan-price { border-color: var(--hairline); color: var(--texto-2); }
.plan-price strong { font-size: 1.375rem; font-weight: 600; color: var(--blanco-hielo); letter-spacing: -.01em; }
.plan--featured .plan-price strong { color: var(--noche-alpina); }

.e3-how { margin-top: clamp(3.5rem, 7vw, 6rem); display: grid; gap: 1.75rem; }
.e3-how li { display: grid; grid-template-columns: 2.75rem 1fr; gap: 1rem; }
.e3-how li > span {
  display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 50%;
  border: 1px solid var(--inv-hairline); font-size: var(--fs-small); font-weight: 600; font-variant-numeric: tabular-nums;
}
.e3-how h3 { font-size: var(--fs-h3); font-weight: 600; }
.e3-how p { margin-top: .35rem; color: var(--inv-texto-2); font-size: 1rem; max-width: 34ch; }


/* --- 7. A medida + comparativa ------------------------------------------------ */
.e3-custom-list { display: grid; gap: 2.25rem 2rem; }
.e3-custom-list li { padding-top: 1.25rem; border-top: 1px solid rgb(20 32 38 / .16); }
.e3-custom-list h3 { margin-top: .9rem; font-size: var(--fs-h3); font-weight: 600; letter-spacing: -.01em; }
.e3-custom-list p { margin-top: .5rem; font-size: 1rem; color: var(--texto-2); max-width: 34ch; }
.e3-vs { margin-top: clamp(3.5rem, 7vw, 6rem); }
.e3-vs-title { font-size: var(--fs-display); font-weight: 500; letter-spacing: var(--track-head); margin-bottom: 1.5rem; max-width: 20ch; }
.e3-vs-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 10px; background: var(--blanco-hielo); box-shadow: inset 0 0 0 1px rgb(20 32 38 / .08); }
.e3-vs-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: .9375rem; }
.e3-vs-table th, .e3-vs-table td { text-align: left; padding: 1rem 1.25rem; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.e3-vs-table tbody tr:last-child > * { border-bottom: 0; }
.e3-vs-table thead th { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; color: var(--texto-2); }
.e3-vs-table thead th:last-child { color: var(--azul-glaciar-hover); }
.e3-vs-table tbody th { font-weight: 600; }
.e3-vs-table td { color: var(--texto-2); }
.e3-vs-table td:last-child { color: var(--noche-alpina); font-weight: 500; background: rgb(62 109 126 / .07); }

/* --- 8. Planes (suscripción) -------------------------------------------------- */
.plan-price-top { font-size: var(--fs-small); color: var(--inv-texto-2); }
.plan-price-top strong { font-size: clamp(2.25rem, 1.8rem + 1.6vw, 3rem); font-weight: 500; letter-spacing: -.03em; color: var(--blanco-hielo); margin-right: .2rem; font-variant-numeric: tabular-nums; }
.plan--featured .plan-price-top { color: var(--texto-2); }
.plan--featured .plan-price-top strong { color: var(--noche-alpina); }
.plan--promo { box-shadow: inset 0 0 0 1px rgb(62 109 126 / .7); background: rgb(62 109 126 / .14); }
.plan-extras {
  margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .6rem;
}
.plan-extras li {
  font-size: var(--fs-small); color: var(--inv-texto-2);
  padding: .6em 1.05em; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--inv-hairline);
}
.plan-extras strong { color: var(--blanco-hielo); font-weight: 600; }
.plan-founder {
  margin-top: 1.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem;
  padding: 1.1rem 1.25rem; border-radius: 10px; background: rgb(246 248 248 / .06);
  font-size: 1rem; color: var(--inv-texto);
}
.plan-founder span { font-size: .6875rem; font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; padding: .45em .85em; border-radius: 999px; background: var(--azul-glaciar); color: var(--blanco); }
.plan-note { margin-top: 1rem; font-size: .8125rem; color: var(--inv-texto-2); }
.e3-how-title { margin-top: clamp(4rem, 8vw, 6.5rem); font-size: var(--fs-display); font-weight: 500; letter-spacing: var(--track-head); }
.e3-how-title + .e3-how { margin-top: 2rem; }

/* --- 8. Preguntas --------------------------------------------------------------- */
.e3-faq-grid { display: grid; gap: 2.5rem; }
.e3-faq-grid .eyebrow { margin-bottom: 1.25rem; }
.faq { border-top: 1px solid var(--hairline); }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem;
  padding-block: 1.25rem; font-size: var(--fs-h3); font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; color: var(--azul-glaciar); transition: transform .4s var(--ease-out); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 1.25rem; color: var(--texto-2); max-width: 56ch; }

/* --- Responsive ---------------------------------------------------------------- */
@media (max-width: 959px) {
  .proceso-steps li:not(.is-active) { display: none; }
  .proceso-steps li.is-active { border-bottom: 1px solid var(--hairline); }
  .proceso-title br { display: none; }
  .proceso-frames { aspect-ratio: 4 / 3; }
}
@media (min-width: 720px) {
  .e3-stats-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .e3-compare-pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .e3-feats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .e3-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .e3-shot--wide { grid-column: 1 / -1; }
  .e3-how { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .e3-how--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .e3-custom-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plans--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .e3-hero-note { display: block; }
}
@media (min-width: 960px) {
  .proceso-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 4vw, 4.5rem); }
  .proceso-steps { margin-top: 2rem; }
  .proceso-steps li { padding-block: .7rem; }
  .plans { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
  .plans--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .plan--featured { transform: translateY(-1rem); }
  .e3-faq-grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 4rem; }
}
@media (min-width: 1280px) {
  .e3-feats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .e3-custom-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .plans--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .e3-how--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .e3-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .e3-shot--wide { grid-column: span 2; grid-row: span 2; }
  .e3-shot--wide img { height: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .e3-hero-media img { animation: none; }
  .proceso { height: auto; }
  .proceso-stage { position: relative; height: auto; padding-block: var(--section-y); }
  .proceso-steps li p { max-height: none; opacity: 1; }
  .proceso-steps li:not(.is-active) { display: grid; }
  .pframe { transition: none; }
}

.plans--4 .plan--featured { transform: none; }

/* --- 4b. Render con referencias ---------------------------------------------- */
.ref-flow { display: grid; gap: 1rem; counter-reset: none; }
.ref-step figure { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--blanco); aspect-ratio: 4 / 3; box-shadow: 0 0 0 1px rgb(20 32 38 / .08); }
.ref-step img { width: 100%; height: 100%; object-fit: cover; }
.ref-step:first-child img { object-fit: contain; padding: 4%; }
.ref-step p { margin-top: .75rem; display: flex; gap: .6rem; align-items: baseline; font-size: var(--fs-small); font-weight: 500; }
.ref-step p span { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); color: var(--azul-glaciar-hover); font-variant-numeric: tabular-nums; }
.ref-step--ref figure { box-shadow: 0 0 0 2px var(--azul-glaciar); }
.ref-result { position: relative; margin-top: clamp(1.5rem, 3vw, 2.5rem); overflow: hidden; border-radius: 10px; background: var(--noche-alpina); }
.ref-result img { width: 100%; height: auto; }
.ref-result figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem 1rem;
  padding: 3rem clamp(1rem, 3vw, 2rem) clamp(1rem, 2.5vw, 1.5rem);
  background: linear-gradient(0deg, rgb(20 32 38 / .78), transparent);
  color: var(--blanco-hielo); font-size: var(--fs-body); font-weight: 500;
}
.ref-result figcaption span { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; padding: .45em .85em; border-radius: 999px; background: var(--azul-glaciar); }
.ref-result figcaption em { margin-left: auto; font-style: normal; font-size: .75rem; color: var(--inv-texto-2); }
.ref-types { margin-top: 2rem; display: grid; gap: .9rem; }
.ref-types-label { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; color: var(--texto-2); }
.ref-types ul { display: flex; flex-wrap: wrap; gap: .5rem; }
.ref-types li { font-size: var(--fs-small); padding: .55em 1em; border-radius: 999px; background: var(--hielo); }
@media (min-width: 720px) {
  .ref-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
}
@media (max-width: 719px) {
  .ref-result figcaption { position: static; background: var(--noche-alpina); padding-top: 1rem; }
}
.e3-vs-link { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.25rem; font-weight: 600; color: var(--azul-glaciar-hover); }
.e3-vs-link:hover .btn-arrow { transform: translateX(3px); }

/* --- Extras de los planes ----------------------------------------------------------- */
.extras-title { margin-top: clamp(3rem, 6vw, 4.5rem); margin-bottom: 1.25rem; font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; color: var(--inv-texto-2); }
.extras { display: grid; gap: 1rem; }
.extra { display: flex; flex-direction: column; gap: .55rem; padding: 1.5rem; border-radius: 10px; background: rgb(246 248 248 / .04); box-shadow: inset 0 0 0 1px var(--inv-hairline); }
.extra-price { font-size: var(--fs-small); color: var(--inv-texto-2); }
.extra-price strong { font-size: 1.5rem; font-weight: 500; letter-spacing: -.02em; color: var(--blanco-hielo); }
.extra h4 { font-size: var(--fs-h3); font-weight: 600; }
.extra p:not(.extra-price) { font-size: .9375rem; color: var(--inv-texto-2); }
.extra--premium { background: linear-gradient(160deg, rgb(62 109 126 / .35), rgb(62 109 126 / .08)); box-shadow: inset 0 0 0 1px rgb(62 109 126 / .7); }
.extra-link { margin-top: auto; padding-top: .5rem; display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; font-size: var(--fs-small); color: var(--blanco-hielo); }
.extra-link:hover .btn-arrow { transform: translateX(3px); }
@media (min-width: 720px) { .extras { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .extras { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.plan-term { font-size: .8125rem; line-height: 1.45; color: var(--inv-texto-2); margin-top: -.35rem; }
.plan-term b { color: var(--blanco-hielo); font-weight: 600; }
.plan--featured .plan-term { color: var(--texto-2); }
.plan--featured .plan-term b { color: var(--noche-alpina); }
.extras-title span { text-transform: none; letter-spacing: 0; font-weight: 500; }

/* Contacto: plano a la demo + llamada */
.e3-cta-btns { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: inherit; }

/* --- 4c. Galería de renders (3D de la app → render) ------------------------------- */
.renders-grid { display: grid; gap: clamp(2.75rem, 5vw, 4.5rem) 1.5rem; }
.render-item { display: grid; gap: 1.1rem; align-content: start; }
.e3-renders .compare { aspect-ratio: 3 / 2; }
.render-cap { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.25rem; }
.render-cap h3 { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -.01em; }
.render-cap p { margin-top: .4rem; font-size: 1rem; color: var(--texto-2); max-width: 44ch; }
.render-cap em { display: block; margin-top: .6rem; font-style: normal; font-size: .75rem; color: var(--texto-2); }
.render-item--free .render-cap em { color: var(--azul-glaciar-hover); font-weight: 600; }
.render-ref { flex: none; width: 6.25rem; display: grid; gap: .45rem; }
.render-ref img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); box-shadow: 0 0 0 2px var(--azul-glaciar); }
.render-ref figcaption { font-size: .6875rem; font-weight: 600; letter-spacing: .04em; line-height: 1.3; color: var(--azul-glaciar-hover); }
.renders-note { margin-top: clamp(2.5rem, 5vw, 4rem); font-size: var(--fs-small); color: var(--texto-2); max-width: 60ch; }
@media (min-width: 720px) {
  .renders-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .render-item--wide { grid-column: 1 / -1; }
  .render-ref { width: 7.5rem; }
}
@media (min-width: 960px) {
  .render-item--wide { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: clamp(2rem, 4vw, 4rem); align-items: end; }
}

/* --- Planes: dos formas de trabajar -------------------------------------- */
.e3-modo { display: flex; align-items: center; gap: .75rem; margin: clamp(2rem, 4vw, 3rem) 0 1.25rem; font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label); text-transform: uppercase; color: var(--inv-texto); }
.e3-modo span { display: inline-flex; align-items: center; justify-content: center; width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--azul-glaciar); color: var(--blanco-hielo); letter-spacing: 0; }
.plans--3 { grid-template-columns: 1fr; }
@media (min-width: 900px) { .plans--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.plan-price-txt { font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem) !important; }
.plan-cta { margin-top: auto; justify-content: center; }
.plan .plan-list { margin-bottom: 1.5rem; }
.e3-hecho { display: grid; gap: clamp(1.5rem, 4vw, 3rem); padding: clamp(1.5rem, 4vw, 2.5rem); border-radius: 10px; background: rgb(62 109 126 / .18); box-shadow: inset 0 0 0 1px rgb(62 109 126 / .7); }
@media (min-width: 900px) { .e3-hecho { grid-template-columns: 1.1fr .9fr; align-items: center; } }
.e3-hecho-texto { display: grid; gap: 1rem; min-width: 0; }
.e3-hecho h4 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); line-height: 1.12; font-weight: 500; letter-spacing: -.02em; color: var(--blanco-hielo); text-wrap: balance; }
.e3-hecho-texto > p:not(.plan-kicker) { color: var(--inv-texto-2); max-width: 52ch; }
.e3-hecho-ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: .5rem; }
.e3-hecho-lista { margin: 0; min-width: 0; }
.e3-medida { margin-top: clamp(2.5rem, 5vw, 3.5rem); padding-top: clamp(2rem, 4vw, 2.5rem); border-top: 1px solid var(--inv-hairline); display: grid; gap: .75rem; }
.e3-medida h3 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); font-weight: 500; letter-spacing: -.02em; color: var(--blanco-hielo); }
.e3-medida > p { color: var(--inv-texto-2); max-width: 60ch; }
.e3-medida ul { list-style: none; margin: .5rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.e3-medida li { padding: .7em 1.1em; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--inv-hairline); color: var(--inv-texto-2); font-size: var(--fs-small); }
.e3-medida li b { color: var(--blanco-hielo); font-weight: 600; }

/* --- Formulario «Solicita tu presupuesto» -------------------------------- */
.pz { margin: auto; width: min(560px, calc(100% - 32px)); max-height: calc(100% - 32px); padding: 0; border: 0; border-radius: 10px; background: var(--blanco-hielo); color: var(--noche-alpina); box-shadow: 0 30px 80px rgb(20 32 38 / .35); overflow: auto; }
.pz::backdrop { background: rgb(20 32 38 / .6); backdrop-filter: blur(3px); }
.pz-form, .pz-ok { position: relative; display: grid; gap: .9rem; padding: clamp(1.4rem, 4vw, 2rem); }
.pz h2 { font-size: clamp(1.4rem, 1.2rem + .8vw, 1.75rem); font-weight: 500; letter-spacing: -.02em; line-height: 1.15; padding-right: 2rem; }
.pz .eyebrow { color: var(--azul-glaciar-hover); }
.pz-intro { color: var(--texto-2); font-size: .95rem; }
.pz-intro a { color: var(--azul-glaciar-hover); text-decoration: underline; }
.pz-fila { display: grid; gap: .9rem; grid-template-columns: 1fr; }
@media (min-width: 520px) { .pz-fila { grid-template-columns: 1fr 1fr; } }
.pz label { display: block; min-width: 0; font-size: .8125rem; font-weight: 600; }
.pz label span { font-weight: 500; color: var(--texto-2); }
.pz input:not([type=checkbox]), .pz select, .pz textarea { display: block; width: 100%; margin-top: .35rem; padding: .7em .85em; border: 1px solid var(--hairline); border-radius: var(--radius); background: #fff; color: var(--noche-alpina); font: 500 .95rem var(--font, inherit); }
.pz input:focus, .pz select:focus, .pz textarea:focus { outline: 2px solid rgb(62 109 126 / .35); border-color: var(--azul-glaciar); }
.pz .pz-check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 500; color: var(--texto-2); line-height: 1.45; }
.pz-check input { margin-top: .2rem; width: 1rem; height: 1rem; flex: none; accent-color: var(--azul-glaciar); }
.pz-check a { color: var(--azul-glaciar-hover); text-decoration: underline; }
.pz-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.pz-error { color: #b4382c; font-size: .875rem; font-weight: 600; }
.pz-error:empty { display: none; }
.pz-error a { color: inherit; text-decoration: underline; }
.pz-enviar { justify-content: center; }
.pz-enviar:disabled { opacity: .6; cursor: wait; }
.pz-cerrar { position: absolute; top: .9rem; right: .9rem; width: 2.2rem; height: 2.2rem; border: 0; border-radius: 50%; background: var(--hielo); color: var(--noche-alpina); font-size: 1.3rem; line-height: 1; cursor: pointer; }
.pz-ok[hidden], .pz-form[hidden] { display: none; }
.pz-ok .btn { justify-self: start; }