/* components.css — nav, footer, button, card, form, lang toggle */

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(242, 237, 228, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t);
}

.site-header.is-scrolled {
  border-bottom-color: var(--ink-12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s-3);
  padding-bottom: var(--s-3);
  gap: var(--s-4);
}

.brand {
  font-family: var(--font-display);
  font-weight: 350;
  font-size: 1.25rem;
  font-variation-settings: 'opsz' 24;
  letter-spacing: -0.005em;
  line-height: 1;
  white-space: nowrap;
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25em;
}

.brand-mark .grupo {
  font-size: 0.6em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-text);
  color: var(--ink-60);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}

.nav-links a {
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  position: relative;
  padding: 0.25rem 0;
  white-space: nowrap;
}

.nav-links > a.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--ink);
}

/* Hamburger button — visible solo en mobile */
.nav-toggle {
  display: none;
  width: 28px;
  height: 28px;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 6px;
  padding: 0;
  z-index: 110;
  position: relative;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 300ms cubic-bezier(0.2, 0.6, 0.2, 1), opacity 200ms ease;
  transform-origin: center;
}

body.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(3.75px) rotate(45deg);
}

body.menu-open .nav-toggle span:nth-child(2) {
  transform: translateY(-3.75px) rotate(-45deg);
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  /* Menu open: quitar backdrop-filter del header para que position:fixed
     del menú no quede contenido dentro de la altura del header */
  body.menu-open .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: transparent;
  }

  /* Brand visible y encima del menú cuando está abierto */
  body.menu-open .brand {
    position: relative;
    z-index: 110;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    background: var(--cream);
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
    padding: calc(var(--s-8) + var(--s-2)) var(--gutter) var(--s-5);
    gap: var(--s-4);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
  }

  body.menu-open {
    overflow: hidden;
  }

  body.menu-open .nav-links {
    opacity: 1;
    pointer-events: auto;
  }

  /* Wrapper para los links (sección superior del menú) */
  .nav-links a:not(.lang-toggle a) {
    font-family: var(--font-display);
    font-weight: 350;
    font-size: clamp(2.5rem, 11vw, 3.75rem);
    font-variation-settings: 'opsz' 72;
    line-height: 1.05;
    letter-spacing: -0.02em;
    padding: var(--s-1) 0;
    width: 100%;
    color: var(--ink);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 350ms ease, transform 450ms cubic-bezier(0.2, 0.6, 0.2, 1);
  }

  body.menu-open .nav-links a:not(.lang-toggle a) {
    opacity: 1;
    transform: none;
  }

  body.menu-open .nav-links a:not(.lang-toggle a):nth-of-type(1) { transition-delay: 60ms; }
  body.menu-open .nav-links a:not(.lang-toggle a):nth-of-type(2) { transition-delay: 120ms; }
  body.menu-open .nav-links a:not(.lang-toggle a):nth-of-type(3) { transition-delay: 180ms; }

  .nav-links > a.is-active::after {
    display: none;
  }

  /* Lang toggle al pie, con divisor arriba */
  .nav-links .lang-toggle {
    margin-top: auto;
    width: 100%;
    box-sizing: border-box;
    padding: var(--s-4) 0 0;
    border-top: 1px solid var(--ink-12);
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
    background: transparent;
    font-family: var(--font-text);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 350ms ease 240ms, transform 450ms cubic-bezier(0.2, 0.6, 0.2, 1) 240ms;
  }

  body.menu-open .nav-links .lang-toggle {
    opacity: 1;
    transform: none;
  }

  .nav-links .lang-toggle::before {
    content: 'Idioma';
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-60);
    margin-right: auto;
  }

  html[lang="en"] .nav-links .lang-toggle::before {
    content: 'Language';
  }

  /* Wrapper de los pills ES/EN dentro del lang-toggle en mobile */
  .nav-links .lang-toggle a {
    font-family: var(--font-text);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    width: auto;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--ink-12);
    background: var(--cream);
  }

  .nav-links .lang-toggle a + a {
    margin-left: 0.5rem;
  }

  .nav-links .lang-toggle a.is-active {
    background: var(--ink);
    color: var(--cream);
    border-color: var(--ink);
  }
}

/* ---------- Lang toggle ---------- */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--ink-12);
  border-radius: 999px;
  padding: 2px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lang-toggle a {
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  color: var(--ink-60);
  transition: color var(--t), background var(--t);
}

.lang-toggle a:hover {
  opacity: 1;
  color: var(--ink);
}

.lang-toggle a.is-active {
  background: var(--ink);
  color: var(--cream);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  padding: 0.875rem 1.5rem;
  background: var(--ink);
  color: var(--cream);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  border-radius: 999px;
  transition: background var(--t), transform var(--t);
}

.btn:hover {
  opacity: 1;
  background: #000;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--cream);
}

.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.25rem;
  transition: gap var(--t);
}

.btn-arrow:hover {
  opacity: 1;
  gap: 0.875rem;
}

.btn-arrow::after {
  content: '→';
  font-family: var(--font-text);
}

/* ---------- Card (pieza) ---------- */
.piece-card {
  display: block;
  position: relative;
  cursor: pointer;
}

.piece-card__media {
  position: relative;
  background: var(--bone);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  margin-bottom: var(--s-2);
  transition: transform var(--t-slow);
}

.piece-card:hover .piece-card__media {
  transform: translateY(-4px);
}

.piece-card__media img,
.piece-card__media svg,
.hero__media img,
.taller__media img,
.taller__media video,
.bio__portrait img,
.piece-detail__main img,
.placeholder-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__media img {
  transition: transform 1.5s cubic-bezier(0.2, 0.6, 0.2, 1);
}

.piece-card__meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-2);
}

.piece-card__name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
  font-variation-settings: 'opsz' 24;
  line-height: 1.1;
  letter-spacing: -0.005em;
}

.piece-card__year {
  font-family: var(--font-text);
  font-size: 0.875rem;
  color: var(--ink-60);
  font-variant-numeric: tabular-nums;
}

.piece-card__typology {
  font-family: var(--font-text);
  font-size: 0.8125rem;
  color: var(--ink-60);
  margin-top: 0.125rem;
}

/* ---------- Grid Obra ---------- */
.piece-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5) var(--s-3);
}

@media (max-width: 920px) {
  .piece-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-4) var(--s-3);
  }
}

@media (max-width: 560px) {
  .piece-grid {
    grid-template-columns: 1fr;
    gap: var(--s-5);
  }
}

/* ---------- Filtros ---------- */
.filters {
  display: flex;
  gap: var(--s-1);
  flex-wrap: wrap;
  margin-bottom: var(--s-5);
}

.filter-btn {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--ink-12);
  border-radius: 999px;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--ink-60);
  transition: color var(--t), border-color var(--t), background var(--t);
}

.filter-btn:hover {
  color: var(--ink);
  border-color: var(--ink-30);
}

.filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

/* ---------- Form ---------- */
.form {
  display: grid;
  gap: var(--s-3);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-60);
}

.field input,
.field textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink-30);
  padding: 0.5rem 0;
  font-size: 1rem;
  color: var(--ink);
  font-family: var(--font-text);
  transition: border-color var(--t);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--ink);
}

.field textarea {
  resize: vertical;
  min-height: 6rem;
  line-height: 1.5;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--ink-12);
  padding: var(--s-7) 0 var(--s-5);
  margin-top: var(--s-9);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--s-5);
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--s-4);
  }
}

.footer-brand h2 {
  font-size: 1.5rem;
  margin-bottom: var(--s-2);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--ink-60);
  max-width: 30ch;
}

.footer-col h3 {
  font-size: 0.75rem;
  font-family: var(--font-text);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-60);
  font-weight: 500;
  margin-bottom: var(--s-2);
}

.footer-col ul li {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
}

.footer-meta {
  margin-top: var(--s-6);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.75rem;
  color: var(--ink-60);
  letter-spacing: 0.04em;
}

@media (max-width: 560px) {
  .footer-meta {
    flex-direction: column;
    gap: var(--s-1);
  }
}

/* ---------- Image placeholder (mientras llegan fotos reales) ---------- */
.placeholder-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 28% 18%, rgba(26,26,26,0.05), transparent 55%),
    radial-gradient(ellipse at 72% 82%, rgba(26,26,26,0.09), transparent 60%),
    linear-gradient(135deg, var(--bone) 0%, #DDD5C7 100%);
  position: relative;
  overflow: hidden;
}

/* Grano de película en SVG */
.placeholder-img::before {
  content: '';
  position: absolute;
  inset: -2px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.4 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 180px 180px;
  opacity: 0.18;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.placeholder-img > span,
.placeholder-img__name {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(2rem, 9cqi, 5.5rem);
  letter-spacing: -0.02em;
  color: rgba(26, 26, 26, 0.22);
  line-height: 0.95;
  text-align: center;
  padding: 0 1rem;
  container-type: inline-size;
}

.piece-card__media,
.hero__media,
.taller__media,
.bio__portrait,
.piece-detail__main,
.featured__big,
.featured__small {
  container-type: inline-size;
}

.placeholder-img__num {
  position: absolute;
  top: var(--s-2);
  left: var(--s-2);
  z-index: 2;
  font-family: var(--font-text);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-60);
  font-variant-numeric: tabular-nums;
}

.placeholder-img__corner {
  position: absolute;
  bottom: var(--s-2);
  right: var(--s-2);
  z-index: 2;
  font-family: var(--font-text);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-60);
}

/* ---------- Marquee band ---------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--ink-12);
  border-bottom: 1px solid var(--ink-12);
  padding: var(--s-3) 0;
  background: var(--cream);
}

.marquee__track {
  display: flex;
  gap: clamp(1.25rem, 3vw, 3rem);
  white-space: nowrap;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(1.875rem, 5.5vw, 4.5rem);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
  width: max-content;
  animation: marquee 60s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

.marquee__track span {
  display: inline-flex;
  align-items: center;
  gap: 3rem;
}

.marquee__track span::after {
  content: '·';
  color: var(--ink-30);
  font-style: normal;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
  }
}

/* ==========================================================
   PRELOADER — strip de imágenes que se iluminan +
   contador 0–100% + brand abajo
   ========================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1) 200ms,
              visibility 0ms linear 950ms;
}

.preloader.is-done {
  opacity: 0;
  visibility: hidden;
}

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(2rem, 5vh, 3.5rem);
  width: 100%;
  padding: 0 var(--gutter);
}

.preloader__strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(0.4rem, 1.2vw, 0.875rem);
  width: 100%;
  max-width: 880px;
}

.preloader__strip > span {
  display: block;
  aspect-ratio: 1 / 1;
  background-color: var(--bone);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: grayscale(15%) brightness(0.95);
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 350ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 550ms cubic-bezier(0.16, 1, 0.3, 1);
}

.preloader__strip > span.is-active {
  opacity: 1;
  transform: scale(1);
}

.preloader__count {
  font-family: var(--font-text);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  color: var(--ink-60);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.preloader__brand {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-variation-settings: 'opsz' 144;
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  letter-spacing: -0.02em;
  line-height: 1;
  text-align: center;
  color: var(--ink);
}

@media (max-width: 720px) {
  .preloader__strip {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    max-width: 320px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .preloader {
    transition: opacity 200ms ease, visibility 0ms linear 200ms;
  }
  .preloader__strip > span {
    transition: none;
  }
}