/* ==========================================================================
   tredici interiorismo — secciones.css
   Hero, pliegos asimétricos, índice de proyectos, ficha, servicios,
   estudio, contacto y 404.
   Todo el material fotográfico es cuadrado: la retícula lo asume y juega
   con los desfases en lugar de disimularlos.
   ========================================================================== */

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; height: 100svh; min-height: 520px; color: #fff; overflow: hidden; }
.hero.sticky-active { position: sticky; top: var(--hero-sticky-top, 0px); }

/* Imagen fija del local, con tres recortes servidos por `picture`. El
   degradado cuelga del propio `picture` para que el titular se sostenga
   sobre cualquiera de los tres encuadres. */
.hero-media { position: absolute; inset: 0; display: block; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(24, 21, 18, .62), rgba(24, 21, 18, .08) 50%, rgba(24, 21, 18, .20));
}

.hero-content {
  position: absolute;
  left: var(--container-padding); right: var(--container-padding);
  bottom: 3.2rem; z-index: 2;
  max-width: 900px;
}
.hero-content .hero-kicker { display: block; margin-bottom: 1.1rem; opacity: .82; }
.hero-content h1 { font-size: clamp(34px, 6vw, 72px); line-height: 1.04; font-weight: 300; text-wrap: balance; }
.hero-content .hero-sub { margin-top: 1.4rem; max-width: 44ch; opacity: .9; }

/* La sección siguiente sube por encima del hero como una cortina */
.after-hero { position: relative; z-index: 3; background: rgb(var(--bg)); }

/* ==========================================================================
   Manifiesto + pliego asimétrico (home)
   ========================================================================== */
.manifesto { padding-top: clamp(3.5rem, 9vw, 9rem); }
.manifesto .editorial { max-width: 58ch; }
.manifesto .manifesto-link { display: inline-block; margin-top: 2.2rem; }

/* Pliego: dos cuadrados desfasados */
.pliego { margin-top: clamp(3rem, 8vw, 7rem); display: grid; gap: 1.6rem; }
.pliego figure figcaption { margin-top: .8rem; }
@media (min-width: 750px) {
  .pliego { grid-template-columns: repeat(12, 1fr); gap: 2rem; align-items: start; }
  .pliego .pliego-a { grid-column: 1 / span 6; }
  .pliego .pliego-b { grid-column: 8 / span 4; margin-top: clamp(4rem, 14vh, 11rem); }
  .pliego--invertido .pliego-a { grid-column: 4 / span 6; }
  .pliego--invertido .pliego-b { grid-column: 1 / span 3; grid-row: 1; margin-top: clamp(6rem, 20vh, 14rem); }
}

/* ==========================================================================
   Bloques de servicio 50/50 (home)
   ========================================================================== */
.bloques { display: grid; gap: clamp(3rem, 8vw, 5.5rem); margin-top: clamp(2.6rem, 7vw, 5rem); }
.bloque { display: grid; gap: 1.5rem; align-items: center; }
.bloque .bloque-media { overflow: hidden; }
.bloque .bloque-media img { width: 100%; transition: transform 1s cubic-bezier(.33, 1, .68, 1); }
.bloque:hover .bloque-media img { transform: scale(1.035); }
@media (prefers-reduced-motion: reduce) { .bloque .bloque-media img { transition: none; } }
.bloque-text .label { color: rgb(var(--accent)); display: block; margin-bottom: 1rem; }
.bloque-text h3 { font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 1rem; }
.bloque-text p { max-width: 44ch; }
.bloque-text .link-arrow { margin-top: 1.6rem; display: inline-flex; }
@media (min-width: 750px) {
  .bloque { grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); }
  .bloque:nth-child(even) .bloque-media { order: 2; }
  .bloque-text { max-width: 460px; }
}

/* ==========================================================================
   Índice de proyectos
   ========================================================================== */
.project-index { margin-top: clamp(2.4rem, 6vw, 3.5rem); border-top: var(--hairline); transition: opacity .28s ease; }
.project-index.is-switching { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .project-index { transition: none; } }

.project-row {
  display: grid;
  grid-template-columns: 2.5ch 84px 1fr;
  gap: 1.2rem;
  align-items: center;
  padding: 1.2rem 0;
  border-bottom: var(--hairline);
  transition: background var(--duration) ease;
}
.project-row:hover { background: rgba(var(--ink), .03); }
.project-row .row-num { font: 400 12px/1 var(--grotesk); color: rgb(var(--accent)); letter-spacing: .08em; }
.project-row .row-thumb { overflow: hidden; aspect-ratio: 1 / 1; }
.project-row .row-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.33, 1, .68, 1); }
.project-row:hover .row-thumb img { transform: scale(1.06); }
.project-row h3 { font-size: clamp(19px, 2.1vw, 26px); line-height: 1.18; }
.project-row .row-cat, .project-row .row-link { display: none; }
@media (min-width: 750px) {
  .project-row { grid-template-columns: 3ch 130px 1fr auto auto; gap: 2.2rem; padding: 1.5rem 0; }
  .project-row .row-cat { display: block; font: 400 13px/1.5 var(--grotesk); color: rgba(var(--ink), .64); }
  .project-row .row-link { display: block; }
}
.index-foot { display: flex; justify-content: flex-end; margin-top: 1.5rem; }

/* Modo pliego: cuadrados con desfase alterno */
.project-index.is-grid { border-top: 0; display: grid; gap: clamp(3rem, 7vw, 4.5rem) clamp(1.6rem, 5vw, 5rem); }
.project-index.is-grid .project-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "thumb thumb thumb"
    "num   cat   link"
    "title title title";
  align-content: start;
  gap: 0; padding: 0; border-bottom: 0;
}
.project-index.is-grid .project-row:hover { background: none; }
.project-index.is-grid .row-thumb { grid-area: thumb; width: 100%; aspect-ratio: 1 / 1; margin-bottom: 1.1rem; }
.project-index.is-grid .row-num { grid-area: num; margin-right: 1rem; }
.project-index.is-grid .row-cat { grid-area: cat; display: block; font: 400 13px/1.5 var(--grotesk); color: rgba(var(--ink), .64); }
.project-index.is-grid .row-link { grid-area: link; display: block; justify-self: end; }
.project-index.is-grid .project-row h3 { grid-area: title; margin-top: .5rem; max-width: 22ch; }
@media (min-width: 750px) {
  .project-index.is-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .project-index.is-grid .project-row:nth-child(even) { margin-top: clamp(2.5rem, 7vw, 6rem); }
}

/* Conmutador pliego / lista */
.view-switch {
  position: fixed; left: 50%; bottom: 1.6rem; transform: translateX(-50%); z-index: 30;
  display: flex; align-items: center; gap: .45rem;
  padding: .8rem 1.6rem;
  background: rgba(var(--bg), .93);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border: var(--hairline); border-radius: 999px;
  transition: opacity var(--duration) ease, visibility var(--duration) ease;
}
.view-switch button { color: rgba(var(--ink), .64); transition: color var(--duration) ease; }
.view-switch button::before { content: '(\00a0'; opacity: 0; transition: opacity var(--duration) ease; }
.view-switch button::after { content: '\00a0)'; opacity: 0; transition: opacity var(--duration) ease; }
.view-switch button:hover { color: rgb(var(--ink)); }
.view-switch button.is-active { color: rgb(var(--ink)); }
.view-switch button.is-active::before, .view-switch button.is-active::after { opacity: 1; }
.view-switch-sep { color: rgba(var(--ink), .28); }
.view-switch.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* ==========================================================================
   Cabecera de página interior
   ========================================================================== */
.page-head { padding-top: calc(var(--header-height) + clamp(3rem, 9vw, 6.5rem)); }
.page-head h1 { max-width: 20ch; text-wrap: balance; margin-top: .8rem; }
.page-head .page-meta { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .4rem 2rem; }
.page-head .page-intro { margin-top: 2rem; max-width: 52ch; }
.page-head--centrada { text-align: center; }
.page-head--centrada h1 { margin-left: auto; margin-right: auto; }
.page-head--centrada .page-meta { justify-content: center; }
.page-head--centrada .page-intro { margin-left: auto; margin-right: auto; }

/* ==========================================================================
   Ficha de proyecto
   ========================================================================== */
.article-hero { margin-top: clamp(2.4rem, 6vw, 4rem); }
.article-hero img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
@media (min-width: 750px) { .article-hero img { aspect-ratio: 16 / 9; max-height: 82vh; } }

.article-body { display: grid; gap: clamp(3rem, 8vw, 5.5rem); margin-top: clamp(3rem, 8vw, 5.5rem); }
.article-text { max-width: 660px; margin: 0 auto; padding: 0 var(--container-padding); width: 100%; }

/* Grupos de figuras */
.figs { display: grid; gap: 1.6rem; padding: 0 var(--container-padding); }
.figs figure figcaption { margin-top: .75rem; }
@media (min-width: 750px) {
  .figs { grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
  .figs--desfase figure:last-child { margin-top: clamp(3rem, 12vh, 9rem); }
  .figs--ancha { grid-template-columns: 1fr; max-width: 1080px; margin: 0 auto; }
  .figs--tercios { grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
}

/* Antes / después: el gesto que mejor cuenta lo que hace el estudio */
.cambio { padding: 0 var(--container-padding); }
.cambio-head { display: flex; align-items: baseline; gap: 1rem; border-top: 1px solid rgba(var(--accent), .45); padding-top: 1rem; margin-bottom: 1.8rem; }
.cambio-head .label--num { color: rgb(var(--accent)); white-space: nowrap; }
.cambio-grid { display: grid; gap: 1.6rem; }
.cambio-item figcaption { margin-top: .7rem; display: flex; align-items: baseline; gap: .7rem; }
.cambio-item .estado {
  font: 400 11px/1 var(--grotesk); letter-spacing: .18em; text-transform: uppercase;
  padding: .45rem .7rem; border: 1px solid rgba(var(--ink), .2);
}
.cambio-item--despues .estado { border-color: rgb(var(--accent)); color: rgb(var(--accent)); }
.cambio-item img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
@media (min-width: 750px) {
  .cambio-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .cambio-grid--trio { grid-template-columns: repeat(3, 1fr); }
}

/* Créditos del proyecto */
.article-credits { padding: 0 var(--container-padding); max-width: 1080px; margin: 0 auto; width: 100%; }
.article-credits dl { display: grid; gap: 0; border-top: var(--hairline); }
.article-credits div { display: grid; grid-template-columns: 1fr; gap: .2rem; padding: 1.1rem 0; border-bottom: var(--hairline); }
.article-credits dt { font: 400 11px/1.4 var(--grotesk); letter-spacing: .16em; text-transform: uppercase; color: rgba(var(--ink), .64); }
.article-credits dd { font-size: 17px; }
.article-credits a { transition: color var(--duration) ease; }
.article-credits a:hover { color: rgb(var(--accent)); }
@media (min-width: 750px) {
  .article-credits div { grid-template-columns: 200px 1fr; gap: 2rem; align-items: baseline; }
}

/* Navegación anterior / siguiente */
.article-nav { margin-top: var(--spaced-section); border-top: var(--hairline); display: grid; }
.article-nav a { padding: 2rem var(--container-padding); display: grid; gap: .5rem; transition: background var(--duration) ease; }
.article-nav a:hover { background: rgba(var(--ink), .03); }
.article-nav .label { color: rgb(var(--accent)); }
.article-nav h3 { font-size: clamp(19px, 2vw, 25px); }
.article-nav a + a { border-top: var(--hairline); }
@media (min-width: 750px) {
  .article-nav { grid-template-columns: 1fr 1fr; }
  .article-nav a + a { border-top: 0; border-left: var(--hairline); text-align: right; }
}

/* ==========================================================================
   Servicios
   ========================================================================== */
.servicio { margin-top: var(--spaced-section); }
.servicio:first-of-type { margin-top: clamp(3rem, 8vw, 6rem); }
.servicio-head { border-top: 1px solid rgba(var(--accent), .45); padding-top: 1.4rem; }
.servicio-head .label--num { color: rgb(var(--accent)); display: block; margin-bottom: 1.4rem; }
.servicio-grid { display: grid; gap: 2rem; margin-top: 2rem; }
.servicio-grid .lead { max-width: 40ch; }
@media (min-width: 990px) {
  .servicio-grid { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
}
.servicio-texto p { max-width: 52ch; }
.servicio-texto p + p { margin-top: 1.1em; }
.servicio-lista { margin-top: 2rem; border-top: var(--hairline); }
.servicio-lista li { display: grid; grid-template-columns: 2.5ch 1fr; gap: 1rem; padding: .95rem 0; border-bottom: var(--hairline); }
.servicio-lista li span:first-child { font: 400 11px/1.7 var(--grotesk); color: rgba(var(--accent), .8); letter-spacing: .1em; }
.servicio-media { margin-top: clamp(2.4rem, 6vw, 4rem); display: grid; gap: 1.6rem; }
@media (min-width: 750px) {
  .servicio-media { grid-template-columns: repeat(3, 1fr); gap: 1.6rem; align-items: start; }
  .servicio-media figure:nth-child(2) { margin-top: clamp(2rem, 7vh, 5rem); }
  .servicio-media--par { grid-template-columns: 1fr 1fr; }
}
.servicio-media img { width: 100%; }
.servicio-media figcaption { margin-top: .7rem; }

/* ==========================================================================
   Estudio
   ========================================================================== */
.valores { margin-top: clamp(3rem, 8vw, 5rem); display: grid; border-top: var(--hairline); }
.valor { padding: 2rem 0; border-bottom: var(--hairline); }
.valor:last-child { border-bottom: 0; }
.valor .label { color: rgb(var(--accent)); display: block; margin-bottom: .9rem; }
.valor p { max-width: 34ch; }
@media (min-width: 750px) {
  .valores { grid-template-columns: repeat(3, 1fr); border-bottom: var(--hairline); }
  .valor { border-bottom: 0; padding: 2.4rem; }
  .valor + .valor { border-left: var(--hairline); }
  .valor:first-child { padding-left: 0; }
}

.proceso { margin-top: var(--spaced-section); }
.proceso-pasos { display: grid; gap: 2.4rem; margin-top: 2.4rem; }
.paso { border-top: var(--hairline); padding-top: 1.3rem; }
.paso .label--num { color: rgb(var(--accent)); display: block; margin-bottom: .8rem; }
.paso h3 { font-size: 23px; margin-bottom: .6rem; }
.paso p { max-width: 50ch; }
@media (min-width: 990px) {
  .proceso-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
  .proceso-media { position: sticky; top: calc(var(--header-height) + 2rem); }
  .proceso-media img { aspect-ratio: 1 / 1; object-fit: cover; }
}

/* Tienda / taller */
.tienda { margin-top: var(--spaced-section); background: rgb(var(--paper)); border-top: var(--hairline); border-bottom: var(--hairline); padding: clamp(3rem, 8vw, 5rem) 0; }
.tienda-grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 750px) { .tienda-grid { grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); } }

/* Casas y firmas */
.firmas { margin-top: clamp(2.4rem, 6vw, 3.5rem); border-top: var(--hairline); display: grid; }
.firma { display: grid; gap: .25rem; padding: 1.1rem 0; border-bottom: var(--hairline); }
.firma .firma-nombre { font-size: clamp(20px, 2.2vw, 26px); font-weight: 300; letter-spacing: -.02em; }
@media (min-width: 750px) {
  .firma { grid-template-columns: 1fr auto; align-items: baseline; gap: 2rem; }
  .firma .meta { text-align: right; }
}

/* ==========================================================================
   Contacto
   ========================================================================== */
.contact-heros { display: grid; margin-top: clamp(2.4rem, 6vw, 4rem); }
.contact-heros figure { position: relative; }
.contact-heros img { width: 100%; height: 48vh; object-fit: cover; }
/* Varias de estas fotos son muy claras: el degradado tiene que ser firme
   para que el rótulo en blanco se lea siempre */
.contact-heros figure::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(24, 21, 18, .62), rgba(24, 21, 18, .12) 45%, transparent 70%); }
.contact-heros .contact-overlay { position: absolute; inset: auto var(--container-padding) 1.8rem; color: #fff; z-index: 2; }
.contact-heros .contact-overlay h2 { font-size: clamp(22px, 2.4vw, 30px); max-width: 18ch; }
@media (min-width: 750px) {
  .contact-heros { grid-template-columns: 1fr 1fr; }
  .contact-heros img { height: 60vh; }
}

.canales { margin-top: clamp(2.4rem, 5vw, 3.5rem); border-top: var(--hairline); }
.canal {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem 2.4rem;
  padding: clamp(1.5rem, 3vw, 2.1rem) 0;
  border-bottom: var(--hairline);
}
.canal .label { flex: 0 0 7rem; color: rgba(var(--ink), .64); }
.canal .canal-valor {
  font: 300 clamp(26px, 3.8vw, 46px)/1.08 var(--serif);
  letter-spacing: -.025em;
  transition: color var(--duration) ease;
}
.canal:hover .canal-valor { color: rgb(var(--accent)); }

.contact-meta { display: grid; gap: 2.4rem; margin-top: clamp(2.6rem, 7vw, 4.5rem); }
.contact-meta .label { display: block; margin-bottom: .6rem; color: rgb(var(--accent)); }
.contact-meta a { transition: color var(--duration) ease; }
.contact-meta a:hover { color: rgb(var(--accent)); }
@media (min-width: 750px) { .contact-meta { grid-template-columns: repeat(3, 1fr); } }

/* ==========================================================================
   404
   ========================================================================== */
.error-page {
  min-height: 78svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 4rem;
}
.error-page .error-num { font: 300 clamp(70px, 16vw, 180px)/1 var(--serif); letter-spacing: -.04em; color: rgba(var(--accent), .9); }
.error-page h1 { margin: 1.2rem 0 1.4rem; max-width: 16ch; }
.error-page p { max-width: 46ch; }
.error-page .error-links { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1.2rem 2.4rem; }