/* ============================================================
   Sakura Homes v6 — formularios propios, cotizador, fichas e Instagram
   (archivo aparte de style.css para que un error en uno no afecte al otro)
   ============================================================ */

/* Botón "Conversemos" de la cabecera: .nav a le quitaba el relleno */
.nav a.btn { padding: .85rem 1.55rem; line-height: 1; }
.nav a.btn::after { display: none; }
@media (max-width: 900px) {
  .nav a.btn { padding: 1rem 1.8rem; }
}

/* Mensajes de formulario */
.form-msg { margin: 1rem 0 0; font-size: .9rem; min-height: 1.2em; }
.form-msg[data-tipo="error"] { color: #b3261e; font-weight: 500; }
.section--dark .form-msg[data-tipo="error"] { color: #ffb4ab; }
button[disabled] { opacity: .6; cursor: progress; }

/* Fichas en tarjetas de referencias */
.ref-card__ficha { margin-top: 1rem; font-size: .88rem; align-self: flex-start; }

/* ------------------------------------------------------------ cotizador */
.cotizador {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(1.25rem, 4vw, 2.75rem);
}
.cotizador > * { min-width: 0; }
.cotizador__panel { display: flex; flex-direction: column; gap: 2rem; }
.cotizador__paso { display: flex; flex-direction: column; gap: .75rem; border: 0; padding: 0; margin: 0; min-width: 0; }
.cotizador__etiqueta {
  display: block; margin: 0 0 .25rem; padding: 0;
  font-size: .68rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}

.cotizador__m2 {
  display: flex; align-items: baseline; gap: .5rem;
  font-family: var(--font-title); font-weight: 600; letter-spacing: -.03em; line-height: 1;
  font-size: clamp(2.8rem, 9vw, 4rem);
}
.cotizador__m2 input {
  width: 3.4ch; min-width: 0;
  font: inherit; letter-spacing: inherit; color: var(--ink);
  border: 0; border-bottom: 2px solid var(--ink); border-radius: 0;
  background: transparent; padding: 0 0 .1rem;
  -moz-appearance: textfield; appearance: textfield;
}
.cotizador__m2 input::-webkit-outer-spin-button,
.cotizador__m2 input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cotizador__m2 input:focus-visible { outline: 2px solid var(--sakura-deep); outline-offset: 6px; }
.cotizador__m2 span { font-size: .45em; color: var(--muted-2); letter-spacing: 0; }

.cotizador__rango { width: 100%; margin: .5rem 0 0; height: 32px; accent-color: var(--sakura-deep); touch-action: pan-y; }
.cotizador__marcas { display: flex; justify-content: space-between; font-size: .72rem; color: var(--muted); }

.opcion {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .85rem;
  padding: .9rem 1rem; border: 1px solid var(--line); border-radius: 10px;
  font-size: .95rem; line-height: 1.3; cursor: pointer;
  transition: border-color var(--ui) var(--ease), background var(--ui) var(--ease);
}
.opcion input { width: 20px; height: 20px; margin: 0; accent-color: var(--ink); }
.opcion__valor { font-size: .8rem; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.opcion:has(input:checked) { border-color: var(--ink); background: var(--mist); }
@media (hover: hover) and (pointer: fine) { .opcion:hover { border-color: var(--muted); } }

.cotizador__resultado {
  display: flex; flex-direction: column; gap: 1rem;
  background: var(--paper); border-radius: 12px; padding: clamp(1.1rem, 3vw, 1.75rem);
}
.cotizador__lineas { list-style: none; margin: 0; padding: 0; }
.cotizador__lineas li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: .75rem 0; border-bottom: 1px solid var(--line); font-size: .92rem;
}
.cotizador__lineas li span { min-width: 0; }
.cotizador__lineas small { display: block; font-size: .75rem; color: var(--muted); margin-top: .15rem; }
.cotizador__lineas b { font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.cotizador__sumas { margin: 0; display: grid; gap: .35rem; }
.cotizador__sumas div { display: flex; justify-content: space-between; gap: 1rem; font-size: .9rem; color: var(--muted-2); }
.cotizador__sumas dt, .cotizador__sumas dd { margin: 0; }
.cotizador__sumas dd { font-variant-numeric: tabular-nums; white-space: nowrap; }
.cotizador__total {
  display: flex; flex-direction: column; gap: .2rem;
  background: var(--ink); color: #fff; border-radius: 10px; padding: 1.1rem 1.25rem;
}
.cotizador__total span { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.65); }
.cotizador__total strong {
  font-family: var(--font-title); font-weight: 600; letter-spacing: -.02em; line-height: 1.1;
  font-size: clamp(1.9rem, 6vw, 2.4rem); font-variant-numeric: tabular-nums;
}
.cotizador__total small { font-size: .8rem; color: rgba(255,255,255,.72); font-variant-numeric: tabular-nums; }
.cotizador__cta { justify-content: center; width: 100%; }
.cotizador__nota { margin: 0; font-size: .76rem; line-height: 1.5; color: var(--muted); }

.cotizador__form {
  margin-top: 1.5rem; background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: clamp(1.25rem, 4vw, 2.5rem); scroll-margin-top: 100px;
}
.cotizador__form h3 { margin: 0 0 .4rem; }
.cotizador__form .lead { margin: 0 0 1.4rem; }

@media (max-width: 860px) {
  .cotizador { grid-template-columns: minmax(0, 1fr); padding: 1.1rem; border-radius: 12px; }
  .cotizador__panel { gap: 1.6rem; }
  .cotizador__resultado { margin: 0 -.35rem -.35rem; }
  .opcion { padding: .8rem .85rem; font-size: .9rem; }
}

/* ------------------------------------------------------------ /gracias/ */
.provision-lista { margin: 1.5rem 0 2rem; padding: 1.4rem 1.5rem; border: 1px solid var(--line); border-left: 3px solid var(--sakura); border-radius: var(--radius); background: var(--mist); }
.provision-lista .lead { margin-top: 0; }

/* ------------------------------------------------------------ Instagram */
.instagram__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1.2rem; margin-bottom: 2rem; }
.instagram__head h2 { margin: 0; }
.instagram__grid { display: grid; gap: .5rem; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.instagram__item { position: relative; display: block; aspect-ratio: 1; overflow: hidden; background: var(--paper); border-radius: 4px; }
.instagram__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease), opacity .3s; }
.instagram__video {
  position: absolute; top: .6rem; right: .6rem; width: 0; height: 0;
  border-style: solid; border-width: 7px 0 7px 12px; border-color: transparent transparent transparent #fff;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.5));
}
@media (hover: hover) and (pointer: fine) {
  .instagram__item:hover img { transform: scale(1.05); opacity: .9; }
}
@media (max-width: 780px) {
  .instagram__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Cabecera en páginas claras: logo y enlaces oscuros */
.header--solid .logo--light { display: none; }
.header--solid .logo--dark { display: block; }
.header--solid .nav a { color: var(--ink); }
.header--solid .nav a[aria-current="page"] { color: var(--sakura-deep); }
.header--solid .btn--light { color: var(--ink); border-color: var(--ink); }
.header--solid .nav-toggle span { background: var(--ink); }
@media (max-width: 900px) {
  .header--solid .nav a { color: #fff; }
  body.nav-open .header--solid .nav-toggle span { background: #fff; }
}

/* ------------------------------------------------------------ /gracias/ */
.gracias__hero { padding: clamp(7.5rem, 13vw, 10rem) 0 clamp(3.5rem, 7vw, 6rem); background: linear-gradient(180deg, var(--mist) 0%, #fff 70%); }
.gracias__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(2rem, 6vw, 5.5rem); align-items: start; }
.gracias__texto { display: flex; flex-direction: column; gap: 1.4rem; }
.gracias__texto h1 { margin: 0; font-size: clamp(2.3rem, 4.4vw, 3.5rem); text-wrap: balance; line-height: 1.02; letter-spacing: -.035em; }
.gracias__texto h1 span { color: var(--sakura-deep); }
.gracias__texto .lead { margin: 0; max-width: 46ch; }
.gracias__sello {
  display: inline-flex; align-items: center; gap: .6rem; align-self: flex-start; margin: 0;
  padding: .45rem 1rem .45rem .45rem; border-radius: 100px; background: #fff; border: 1px solid var(--line);
  font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink);
}
.gracias__check { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--sakura); color: var(--ink); }
.gracias__pasos { list-style: none; margin: .4rem 0 .2rem; padding: 0; display: grid; gap: 0; border-left: 1px solid var(--line); }
.gracias__paso { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; padding: .2rem 0 1.1rem 0; position: relative; }
.gracias__num {
  margin-left: -15px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 1px solid var(--ink); font-size: .8rem; font-weight: 600; font-variant-numeric: tabular-nums;
}
.gracias__paso:first-child .gracias__num { background: var(--ink); color: #fff; }
.gracias__paso h3 { margin: .2rem 0 .15rem; font-size: 1.02rem; letter-spacing: -.01em; }
.gracias__paso p { margin: 0; font-size: .92rem; color: var(--muted-2); max-width: 44ch; }
.gracias__contacto { margin: 0; font-size: .88rem; color: var(--muted); }
.gracias__contacto a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.gracias__foto { position: sticky; top: 110px; margin: 0; border-radius: 18px; overflow: hidden; aspect-ratio: 4 / 5; background: var(--paper); box-shadow: 0 30px 60px -30px rgba(20, 10, 16, .35); }
.gracias__foto img { width: 100%; height: 100%; object-fit: cover; }
.gracias__foto figcaption {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .1rem;
  padding: .85rem 1rem; border-radius: 12px; background: rgba(255, 255, 255, .9); backdrop-filter: blur(10px);
  font-size: .82rem; color: var(--muted-2);
}
.gracias__foto figcaption b { color: var(--ink); font-size: .95rem; }
.gracias .provision-lista[hidden] { display: none; }
.gracias .provision-lista:not([hidden]) { margin: 0; display: flex; flex-direction: column; gap: .8rem; align-items: flex-start; }
.gracias .provision-lista p { margin: 0; }
@media (max-width: 900px) {
  .gracias__grid { grid-template-columns: minmax(0, 1fr); }
  .gracias__foto { aspect-ratio: 4 / 3; order: -1; position: relative; top: 0; }
  .gracias__hero { padding-top: 6.5rem; }
}

/* ---------- Animación: Sakura System, de la CNC a la casa (Sistema) ---------- */
.casa-anim { margin: clamp(3rem, 5vw, 4rem) 0 0; background: var(--paper); border-radius: var(--radius); padding: clamp(1.2rem, 4vw, 3rem) clamp(1rem, 4vw, 3rem) clamp(1.4rem, 3vw, 2.2rem); }
.casa-anim__lienzo { max-width: 720px; margin-inline: auto; }
.casa-anim__svg { display: block; width: 100%; height: auto; overflow: visible; }
.casa-anim__svg .sa-b polygon { stroke: rgba(40, 36, 37, .2); stroke-width: .5; stroke-linejoin: round; }
.casa-anim__svg .sa-membrana polygon, .casa-anim__svg .sa-revestimiento polygon { stroke: rgba(0, 0, 0, .3); }
.casa-anim__svg .sa-vidrio { opacity: .92; }
.sa-sombra { fill: #1d1a1b; opacity: .1; filter: blur(6px); }
.sa-corte { fill: none; stroke: #3a3334; stroke-width: 1.1; stroke-linejoin: round; stroke-dasharray: 1; stroke-dashoffset: 1; }
.sa-tabla { stroke: rgba(255, 255, 255, .09); stroke-width: .8; }

.casa-anim__etapas { list-style: none; margin: clamp(1rem, 2.5vw, 1.6rem) auto 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: .45rem; max-width: 720px; }
.casa-anim__etapas li { display: inline-flex; align-items: center; gap: .45rem; padding: .42rem .85rem .42rem .45rem; border-radius: 100px; background: #fff; border: 1px solid var(--line); color: var(--muted); font-size: .72rem; font-weight: 600; letter-spacing: .04em; transition: color .35s var(--ease), border-color .35s var(--ease); }
.casa-anim__etapas li::before { content: attr(data-n); display: grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%; background: var(--paper); color: var(--muted); font-size: .66rem; transition: background .35s var(--ease), color .35s var(--ease); }
.casa-anim__etapas li.is-hecho { color: var(--ink); }
.casa-anim__etapas li.is-hecho::before { content: "✓"; background: var(--line); color: var(--ink); }
.casa-anim__etapas li.is-activo { color: var(--ink); border-color: var(--sakura); }
.casa-anim__etapas li.is-activo::before { background: var(--sakura); color: var(--ink); }
.casa-anim__detalle { text-align: center; margin: .8rem auto 0; font-size: .82rem; font-weight: 600; color: var(--ink); min-height: 1.3em; }
.casa-anim figcaption { text-align: center; font-size: .78rem; color: var(--muted); margin: .5rem auto 0; max-width: 560px; }
@media (max-width: 560px) {
  .casa-anim__etapas { gap: .3rem; }
  .casa-anim__etapas li { font-size: .62rem; letter-spacing: .02em; padding: .3rem .55rem .3rem .3rem; gap: .3rem; }
  .casa-anim__etapas li::before { width: 1.15rem; height: 1.15rem; font-size: .6rem; }
  .casa-anim__detalle { font-size: .76rem; }
}