/* ============================================================
   ARTIMPRESOMEX — Estética dark luxury con dorado
   Inspirado en art-view-studio.base44.app
   ============================================================ */

:root {
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --bg-card: #131313;
  --border: #232323;
  --border-strong: #2e2e2e;
  --text: #ffffff;
  --text-muted: #9ca3af;
  --text-soft: #6b7280;
  --gold: #d4a843;
  --gold-soft: #c89b3c;
  --gold-bright: #e8b842;
  --gold-bg: rgba(212, 168, 67, 0.08);
  --gold-bg-strong: rgba(212, 168, 67, 0.14);
  --danger: #ef4444;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: var(--font-sans); line-height: 1.55; -webkit-font-smoothing: antialiased; }
body { min-height: 100vh; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.container--narrow { max-width: 720px; }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: baseline; gap: 10px;
  letter-spacing: 0.08em;
}
.brand__art {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 26px;
  color: var(--gold);
  font-style: italic;
}
.brand__dot { color: var(--text-soft); font-size: 18px; }
.brand__impreso {
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--text);
}
.nav { display: flex; align-items: center; gap: 36px; }
.nav__link {
  font-size: 14px; font-weight: 500; color: var(--text);
  padding: 8px 0;
  position: relative;
  transition: color 0.2s;
}
.nav__link:hover { color: var(--gold); }
.nav__link--active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 2px; background: var(--gold); border-radius: 2px;
}
.cart-btn {
  position: relative;
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: transparent;
  transition: background 0.2s;
}
.cart-btn:hover { background: var(--gold-bg); }
.cart-btn__badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--danger); color: white;
  font-size: 11px; font-weight: 600;
  min-width: 20px; height: 20px;
  border-radius: 999px;
  display: grid; place-items: center;
  padding: 0 6px;
}
.cart-btn__badge--hidden { display: none; }

/* ---------- BOTONES ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  font-size: 14px; font-weight: 600;
  border-radius: 999px;
  transition: all 0.2s ease;
  letter-spacing: 0.02em;
}
.btn--primary {
  background: var(--gold);
  color: #1a1a1a;
}
.btn--primary:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.25);
}
.btn--ghost {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }
.btn--block { width: 100%; }
.btn--lg { padding: 18px 36px; font-size: 15px; }
.btn--sm { padding: 10px 18px; font-size: 13px; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-image: url('images/hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.78) 0%, rgba(10,10,10,0.55) 45%, rgba(10,10,10,0.92) 100%);
  z-index: 1;
}
.hero__content {
  position: relative; z-index: 2;
  max-width: 820px;
  padding: 80px 24px;
}
.hero__eyebrow {
  font-size: 13px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
  margin-bottom: 28px;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(40px, 6.5vw, 76px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero__title em {
  color: var(--gold);
  font-style: italic;
}
.hero__lead {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

/* ---------- SECCIONES ---------- */
.section { padding: 96px 0; }
.section--cream { background: var(--bg-elev); }
.section__eyebrow {
  font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
  margin-bottom: 16px;
}
.section__title {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.section__lead {
  font-size: 16px; color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 56px;
}

/* ---------- PASOS (4 pasos del home) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all 0.3s ease;
}
.step:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.step__num {
  font-family: var(--font-serif);
  font-size: 56px; font-weight: 500;
  color: var(--gold);
  font-style: italic;
  line-height: 1;
  margin-bottom: 18px;
  opacity: 0.9;
}
.step__img {
  width: 100%; height: 140px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 22px;
}
.step__title {
  font-size: 18px; font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}
.step__text {
  font-size: 14px; color: var(--text-muted); line-height: 1.55;
}

/* ---------- MATERIALES ---------- */
.materials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.material {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}
.material:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}
.material__img {
  width: 100%; aspect-ratio: 16 / 10;
  object-fit: cover;
}
.material__body { padding: 28px 30px 32px; }
.material__title {
  font-family: var(--font-serif);
  font-size: 30px; font-weight: 500;
  margin-bottom: 14px;
}
.material__text {
  font-size: 15px; color: var(--text-muted); line-height: 1.6;
}

/* ---------- CTA FINAL ---------- */
.final-cta {
  text-align: center;
  padding: 110px 24px;
  background:
    radial-gradient(ellipse at center top, rgba(212, 168, 67, 0.10) 0%, transparent 55%),
    var(--bg);
}
.final-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 500;
  line-height: 1.05;
  margin-bottom: 20px;
}
.final-cta p {
  font-size: 17px; color: var(--text-muted);
  max-width: 520px; margin: 0 auto 36px;
}

/* ---------- FOOTER ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-soft);
}
.site-footer p + p { margin-top: 6px; }

/* ---------- CONFIGURADOR ---------- */
.cfg-back {
  position: fixed; top: 88px; left: 24px; z-index: 90;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: grid; place-items: center;
  transition: all 0.2s;
}
.cfg-back:hover { border-color: var(--gold); color: var(--gold); }

.cfg-page { padding: 56px 0 80px; }
.cfg-head { text-align: center; margin-bottom: 28px; }
.cfg-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 500;
  margin-bottom: 8px;
}
.cfg-head p { color: var(--text-muted); font-size: 16px; }

.cfg-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

/* ----- WALL STAGE: 3 fases (empty / ask / wall) ----- */
.wall-stage {
  position: relative;
  aspect-ratio: 4 / 3;
  background-image: url('images/wall-bg.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.wall-stage__phase { display: none; } /* legacy: fases 1/2 eliminadas */

/* ----- FASE 3 (siempre visible) — 3 botones inferiores ----- */
.wall-stage__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

/* ----- DROP OVERLAY (al arrastrar sobre el stage en fase 2) ----- */
.wall-stage__drop {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: rgba(10, 10, 10, 0.82);
  z-index: 6;
  pointer-events: none;
}
.wall-stage__drop-inner {
  text-align: center;
  border: 2.5px dashed var(--gold);
  padding: 36px 52px;
  border-radius: var(--radius-lg);
  background: var(--gold-bg);
}
.wall-stage__drop-inner svg { color: var(--gold); margin-bottom: 12px; }
.wall-stage__drop-inner p {
  color: var(--gold);
  font-weight: 600;
  font-size: 17px;
}

/* ----- CUADRO MÚLTIPLE (.cuadro) — reemplaza .wall-canvas legacy ----- */
.cuadro {
  position: absolute;
  background: #1a1a1a;
  border: 2px solid rgba(201, 169, 97, 0.3);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  user-select: none;
  touch-action: none;
  z-index: 2;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.cuadro:active { cursor: grabbing; }
.cuadro--selected {
  border-color: var(--gold);
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.7), 0 0 0 2px var(--gold), 0 0 24px rgba(201, 169, 97, 0.4);
}
.cuadro__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
}
.cuadro__toolbar {
  position: absolute;
  top: -60px; /* ~medio cm (5mm) de aire entre el bottom del toolbar y el top del cuadro */
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  z-index: 4;
  opacity: 0;
  transition: opacity 0.15s ease;
  background: rgba(20, 20, 20, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 4px 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.cuadro__toolbar__sep {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 2px;
}
.cuadro--selected .cuadro__toolbar,
.cuadro:hover .cuadro__toolbar {
  opacity: 1;
  pointer-events: auto;
}
.cuadro__price {
  background: var(--gold);
  color: #1a1a1a;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 14.4px; /* 20% más grande que el original 12px */
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  white-space: nowrap;
  pointer-events: none;
  z-index: 3;
}
/* Botones del/add y sizedown/sizeup: TODOS dentro del toolbar flex */
.cuadro__toolbar .cuadro__btn--sizedown,
.cuadro__toolbar .cuadro__btn--sizeup,
.cuadro__toolbar .cuadro__btn--del,
.cuadro__toolbar .cuadro__btn--add {
  position: static;
  opacity: 1;
  pointer-events: auto;
  flex-shrink: 0;
}
.cuadro__toolbar .cuadro__btn--sizedown,
.cuadro__toolbar .cuadro__btn--sizeup {
  width: 26px;
  height: 26px;
}
.cuadro__toolbar .cuadro__btn--del,
.cuadro__toolbar .cuadro__btn--add {
  width: 30px;
  height: 30px;
}
.cuadro--canvas .cuadro__img {
  box-shadow: 0 20px 50px -10px rgba(0,0,0,0.7),
              inset 0 0 0 6px rgba(40,30,20,0.5);
}
.cuadro--acrilico .cuadro__img {
  border: 3px solid rgba(255,255,255,0.18);
  box-shadow: 0 20px 50px -10px rgba(0,0,0,0.7),
              0 0 30px rgba(255,255,255,0.08);
}
.cuadro__btn {
  position: absolute;
  top: -14px;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.92);
  color: #fff;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: all 0.15s;
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  z-index: 4;
}
}
/* Botones - + DENTRO del toolbar (flex) */
/* Todos los botones visibles solo cuando el mouse está sobre el cuadro */
.cuadro:hover .cuadro__btn--del,
.cuadro:hover .cuadro__btn--add,
.cuadro:hover .cuadro__btn--sizedown,
.cuadro:hover .cuadro__btn--sizeup {
  opacity: 1;
  pointer-events: auto;
}
.cuadro__btn--del:hover {
  background: #c33;
  color: #fff;
  border-color: #c33;
}
.cuadro__btn--add:hover {
  background: var(--gold);
  color: #1a1a1a;
  border-color: var(--gold);
}
.cuadro__btn--sizedown:hover,
.cuadro__btn--sizeup:hover {
  background: var(--gold);
  color: #1a1a1a;
  border-color: var(--gold);
}
/* ----- CONTROLES DE CÁMARA (distancia a la pared) ----- */
.wall-camera {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 5;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  opacity: 0.7;
  transition: opacity 0.15s;
}
.wall-camera:hover { opacity: 1; }
.wall-camera__label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  white-space: nowrap;
}
.wall-camera__input-wrap {
  display: flex;
  align-items: center;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 6px;
  transition: border-color 0.15s;
}
.wall-camera__input-wrap:focus-within {
  border-color: var(--gold);
  background: rgba(212, 168, 67, 0.08);
}
.wall-camera__input {
  width: 48px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 14px;
  text-align: right;
  padding: 4px 0;
  -moz-appearance: textfield;
}
.wall-camera__input::-webkit-outer-spin-button,
.wall-camera__input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.wall-camera__unit {
  font-size: 11px;
  color: var(--text-soft);
  font-weight: 600;
  margin-left: 4px;
}

/* ----- WALL CONTROLS (-/+) eliminados — los - + ahora son por cuadro (cuadro__btn--sizedown/sizeup) ----- */

/* ----- 2 BOTONES EN FASE 3 (subir pared + agregar al carrito) ----- */
.wall-stage__actions {
  position: absolute;
  bottom: 16px; left: 16px; right: 16px;
  z-index: 5;
  display: flex;
  gap: 10px;
  align-items: stretch;
}
.wall-stage__action-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s;
  cursor: pointer;
  text-align: center;
  line-height: 1.3;
  opacity: 0.7;
}
.wall-stage__action-btn:hover { opacity: 1; }
.wall-stage__action-btn--ghost {
  flex: 1.1;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  color: var(--text);
  border: 1px solid var(--border-strong);
  font-size: 13px;
  padding: 14px 12px;
}
.wall-stage__action-btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-bg);
  opacity: 1;
}
.wall-stage__action-btn--primary {
  flex: 1.2;
  background: var(--gold);
  color: #1a1a1a;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.wall-stage__action-btn--primary:hover {
  background: var(--gold-bright);
  transform: translateY(-1px);
  opacity: 1;
}

/* ----- DROPZONES CUADRADAS con borde punteado, visibles al arrastrar ----- */
.dropzones-hint {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  color: var(--gold);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.02em;
  background: rgba(0, 0, 0, 0.55);
  padding: 6px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  white-space: nowrap;
}
body.is-dragging .dropzones-hint { opacity: 1; }

.dropzone {
  position: absolute;
  z-index: 3;
  width: 220px;
  height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(20, 20, 20, 0.45);
  border: 2px dashed var(--gold);
  border-radius: 12px;
  color: var(--gold);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s, background 0.2s;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.dropzone__icon {
  display: flex;
  align-items: center;
  justify-content: center;
}
.dropzone__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  line-height: 1.3;
  padding: 0 14px;
}
#dropzone-wall,
#dropzone-cuadro {
  bottom: 90px; /* justo arriba de la barra de botones */
  top: auto;
}
body.is-dragging .dropzone { opacity: 1; pointer-events: auto; }
.dropzone.dropzone--hover {
  background: rgba(212, 168, 67, 0.18);
  border-color: var(--gold-bright);
  transform: scale(1.04);
}

/* El botón NO se expande, queda igual */
.wall-stage__action-btn--dragover {
  border-color: var(--gold) !important;
  background: var(--gold-bg) !important;
  color: var(--gold) !important;
}
.wall-stage__action-btn__hint {
  display: block;
  width: 100%;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  margin-top: 4px;
  color: var(--gold);
  opacity: 0.85;
}
.wall-stage__add-price {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  background: rgba(0,0,0,0.25);
  padding: 4px 10px;
  border-radius: 999px;
  margin-left: 4px;
}
.stage-add-btn__label {
  font-weight: 600;
}

/* ----- PANEL LATERAL ----- */
.cfg-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: sticky; top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}
.cfg-section { margin-bottom: 28px; }
.cfg-section:last-child { margin-bottom: 0; }
.cfg-section h3 {
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); font-weight: 600;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.cfg-section h3::before {
  content: attr(data-num);
  font-family: var(--font-serif);
  font-size: 20px; font-weight: 500;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0;
}

/* ----- UPLOAD ZONE removida del panel lateral (legacy) ----- */

/* ----- OPCIONES MATERIAL ----- */
.options-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.option {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 12px;
  text-align: left;
  transition: all 0.2s;
  background: var(--bg-elev);
}
.option:hover { border-color: var(--border-strong); }
.option--active {
  border-color: var(--gold);
  background: var(--gold-bg-strong);
}
.option__title { font-size: 14px; font-weight: 600; margin-bottom: 4px; color: var(--text); }
.option__desc { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

/* ----- TAMAÑOS ----- */
.sizes-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px;
}
.size-btn {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 4px;
  text-align: center;
  background: var(--bg-elev);
  transition: all 0.2s;
  min-width: 0;
}
.size-btn:hover { border-color: var(--border-strong); }
.size-btn--active {
  border-color: var(--gold);
  background: var(--gold-bg-strong);
}
.size-btn__dim {
  font-size: 11px; color: var(--text); font-weight: 500;
  display: block;
  white-space: nowrap;
}
.size-btn__price {
  font-family: var(--font-serif);
  font-size: 14px; color: var(--gold); font-style: italic;
  margin-top: 2px;
  display: block;
}

/* ----- FORMATOS (estilo pixelarte) ----- */
.format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.format-btn {
  display: flex; flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 6px 8px;
  background: var(--bg-elev);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-muted);
}
.format-btn:hover {
  border-color: var(--border-strong);
  color: var(--text);
}
.format-btn--active {
  border-color: var(--gold);
  background: var(--gold-bg-strong);
  color: var(--gold);
}
.format-btn__icon {
  display: block;
  width: 56px;
  height: 38px;
}
.format-btn__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.format-btn__name {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ----- CTA ADD ----- */
.cfg-add {
  width: 100%;
  background: var(--gold);
  color: #1a1a1a;
  padding: 16px;
  font-weight: 600; font-size: 15px;
  border-radius: var(--radius);
  transition: all 0.2s;
  margin-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.cfg-add:hover { background: var(--gold-bright); }
.cfg-add__price { font-family: var(--font-serif); font-style: italic; font-size: 18px; }
.cfg-add__feedback {
  text-align: center;
  margin-top: 14px;
  font-size: 13px;
  color: var(--gold);
  background: var(--gold-bg);
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--gold);
  font-weight: 500;
  opacity: 0;
  max-height: 0;
  padding: 0 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.cfg-add__feedback--show {
  opacity: 1;
  max-height: 80px;
  padding: 12px;
}

/* ---------- CARRITO ---------- */
.cart-page { padding: 56px 0 80px; }
.cart-head { text-align: center; margin-bottom: 48px; }
.cart-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 500;
}
.cart-head p { color: var(--text-muted); font-size: 15px; margin-top: 6px; }

.cart-list {
  display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 32px;
}
.cart-group__header {
  margin-top: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.cart-group__header:first-child { margin-top: 0; }
.cart-group__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.01em;
}
.cart-group__subheader {
  margin-top: 6px;
  padding-left: 12px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cart-item__subtotal {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  min-width: 90px;
  text-align: right;
}
.cart-item__unit {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 4px;
}
.cart-item {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 20px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  align-items: center;
}
.cart-item__thumb {
  /* El tamaño se define por inline style segun el formato del cuadro */
  max-width: 96px;
  max-height: 96px;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.cart-item__info { min-width: 0; }
.cart-item__title { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.cart-item__meta { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.cart-item__price {
  font-family: var(--font-serif);
  font-size: 20px; color: var(--gold); font-style: italic;
}
.cart-item__actions {
  display: flex; flex-direction: column; align-items: flex-end; gap: 14px;
}
.qty {
  display: inline-flex; align-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}
.qty button {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid; place-items: center;
  transition: background 0.2s;
}
.qty button:hover { background: var(--gold-bg); color: var(--gold); }
.qty__num { min-width: 26px; text-align: center; font-weight: 600; font-size: 14px; }
.cart-remove {
  font-size: 12px;
  color: var(--danger);
  background: none;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.2s;
}
.cart-remove:hover { background: rgba(239, 68, 68, 0.1); }

/* ----- MÉTODOS DE PAGO ----- */
.pay-section { margin-top: 24px; }
.pay-section__label {
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); font-weight: 600;
  margin-bottom: 12px;
}
.pay-methods {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-bottom: 18px;
}
.pay-method {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-elev);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  text-align: left;
  transition: all 0.2s;
  cursor: pointer;
  position: relative;
}
.pay-method:hover { border-color: var(--border-strong); }
.pay-method--active {
  border-color: var(--gold);
  background: var(--gold-bg-strong);
}
.pay-method__icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.pay-method__icon--wa { background: #25D366; color: white; }
.pay-method__icon--pp { background: #ffffff; color: #003087; }
.pay-method__body { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.pay-method__title { font-size: 14px; font-weight: 600; color: var(--text); }
.pay-method__desc { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.pay-method__check {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  display: grid; place-items: center;
  color: transparent;
  flex-shrink: 0;
  transition: all 0.2s;
}
.pay-method--active .pay-method__check {
  background: var(--gold);
  border-color: var(--gold);
  color: #1a1a1a;
}

/* ----- MODAL PAYPAL ----- */
.paypal-modal {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.2s;
  padding: 20px;
}
.paypal-modal--show { opacity: 1; }
.paypal-modal__card {
  background: #ffffff;
  color: #1a1a1a;
  border-radius: 14px;
  width: 100%;
  max-width: 420px;
  padding: 28px 28px 24px;
  position: relative;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  transform: translateY(10px);
  transition: transform 0.2s;
}
.paypal-modal--show .paypal-modal__card { transform: translateY(0); }
.paypal-modal__close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #6b7280;
  transition: background 0.2s;
}
.paypal-modal__close:hover { background: #f3f4f6; }
.paypal-modal__brand {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 4px;
}
.paypal-modal__brand span {
  font-size: 18px; font-weight: 700; color: #003087;
}
.paypal-modal__title {
  font-size: 16px;
  color: #1a1a1a;
  margin-bottom: 18px;
}
.paypal-modal__title strong {
  font-size: 22px;
  color: #003087;
}
.paypal-modal__notice {
  background: #fef3c7;
  border: 1px solid #fbbf24;
  color: #92400e;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
  text-align: center;
}
.paypal-field {
  display: block;
  margin-bottom: 12px;
}
.paypal-field span {
  display: block;
  font-size: 12px;
  color: #6b7280;
  margin-bottom: 4px;
  font-weight: 500;
}
.paypal-field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: #ffffff;
  color: #1a1a1a;
  transition: border-color 0.2s;
}
.paypal-field input:focus {
  outline: none;
  border-color: #0070ba;
}
.paypal-modal__submit {
  margin-top: 8px;
  background: #0070ba !important;
  color: #ffffff !important;
}
.paypal-modal__submit:hover {
  background: #005ea6 !important;
}
.paypal-modal__small {
  font-size: 11px;
  color: #6b7280;
  text-align: center;
  margin-top: 12px;
}

/* ----- SUCCESS / SPINNER ----- */
.paypal-success {
  text-align: center;
  padding: 20px 0;
}
.paypal-success__spinner {
  width: 44px; height: 44px;
  border: 3px solid #e5e7eb;
  border-top-color: #0070ba;
  border-radius: 50%;
  margin: 0 auto 18px;
  animation: pp-spin 0.9s linear infinite;
}
@keyframes pp-spin { to { transform: rotate(360deg); } }
.paypal-success__txt {
  font-size: 14px;
  color: #6b7280;
}
.paypal-success__check {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: #10b981;
  color: white;
  display: grid; place-items: center;
  margin: 0 auto 18px;
}
.paypal-success__title {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
}
.paypal-success__sub {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 22px;
  line-height: 1.5;
}
@media (max-width: 480px) {
  .pay-methods { grid-template-columns: 1fr; }
}

.cart-summary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.cart-summary__row {
  display: flex; justify-content: space-between;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-muted);
}
.cart-summary__row--total {
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 16px;
  font-size: 18px;
  color: var(--text);
  font-weight: 500;
}
.cart-summary__row--total .cart-summary__price {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--gold);
  font-size: 28px;
}
.cart-summary .btn { margin-top: 24px; }
.cart-summary__hint {
  font-size: 12px; color: var(--text-soft);
  text-align: center; margin-top: 12px;
}

.cart-empty {
  text-align: center;
  padding: 80px 24px;
}
.cart-empty p { color: var(--text-muted); margin-bottom: 24px; }

/* ---------- HEADER TITLE (desktop) ---------- */
.header-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
  flex: 1;
  padding: 0 24px;
}
.header-title__main {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.01em;
}
.header-title__sub {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ----- TOAST notificación (carrito) ----- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 48px;
  transform: translate(-50%, 30px);
  z-index: 9999;
  padding: 14px 28px;
  background: rgba(20, 20, 20, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.95);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  white-space: nowrap;
}
.toast--show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ----- ROTATE提示 (mobil) ----- */
.rotate-notice {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #0a0a0a;
  color: #fff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
  padding: 40px;
}
.rotate-notice__icon {
  animation: rotate-phone 1.2s ease-in-out infinite;
}
@keyframes rotate-phone {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-90deg); }
}
.rotate-notice__title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 500;
  color: var(--gold);
}
.rotate-notice__body {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  max-width: 280px;
  line-height: 1.6;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .materials { grid-template-columns: 1fr; }
  /* Layout: sidebar debajo del stage, horizontal con tabs */
  .cfg-layout {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .cfg-panel {
    position: static;
    max-height: none;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: 1px solid var(--border);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .cfg-section {
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
    padding: 20px 24px;
  }
  .cfg-section:last-child { border-bottom: none; }
  /* Tabs para material y formato */
  .cfg-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
  }
  .cfg-tab {
    flex: 1;
    padding: 14px 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    letter-spacing: 0.04em;
    text-align: center;
  }
  .cfg-tab.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
  }
  .cfg-tab:hover { color: var(--text); }
  .cfg-tab-content {
    display: none;
    padding: 20px 24px;
  }
  .cfg-tab-content.active { display: block; }
  .cfg-add__feedback {
    margin: 0 24px 16px;
    border-radius: var(--radius);
  }
  .wall-stage__actions {
    flex-direction: column;
    gap: 8px;
    padding: 12px 16px;
  }
  .wall-stage__action-btn { width: 100%; justify-content: center; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .nav { gap: 18px; }
  .nav__link { font-size: 13px; }
  .brand__impreso { display: none; }
  .steps { grid-template-columns: 1fr; }
  .sizes-grid { grid-template-columns: repeat(2, 1fr); }
  .cart-item { grid-template-columns: 72px 1fr; row-gap: 12px; }
  .cart-item__thumb { width: 72px; height: 72px; }
  .cart-item__actions { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; align-items: center; }
  .cfg-back { left: 12px; top: 80px; }
  .hero { min-height: 78vh; }
  .site-header__inner { height: 60px; }
  .header-title { padding: 0 12px; }
  .header-title__main { font-size: 16px; }
  .header-title__sub { font-size: 11px; }
  .cfg-page { padding: 0 0 80px; }
  .wall-stage { border-radius: 0; border-left: none; border-right: none; }
  .wall-stage__actions { border-radius: 0; }
  .cfg-back { top: 72px; }
  .rotate-notice { display: flex; }
  body.show-rotate .rotate-notice { display: flex; }
}

@media (orientation: landscape) and (max-height: 500px) {
  .rotate-notice { display: flex; }
  body.show-rotate .rotate-notice { display: flex; }
}