/* =============================================================================
   AlvaradoGraphics — Componentes
   ========================================================================== */

/* =============================================================================
   Navegación
   ============================================================================= */

.site-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out),
              background-color var(--duration-base) var(--ease-out);
}

/* El filete inferior solo aparece al separarse del origen del scroll, así la
   cabecera flota limpia sobre el hero y se ancla al empezar a leer. */
.site-nav.is-stuck {
  border-bottom-color: var(--rule);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: 4.5rem;
}

.site-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex: none;
}

.site-nav__brand img { height: 1.75rem; width: 1.75rem; flex: none; }

.site-nav__wordmark {
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: -0.015em;
  line-height: 1;
  white-space: nowrap;
  /* Compensa la altura de la x de la serifa para que el nombre quede
     ópticamente centrado con el símbolo, no centrado por caja. */
  transform: translateY(0.05em);
}

/* En pantallas estrechas solo queda el símbolo. */
@media (max-width: 26rem) { .site-nav__wordmark { display: none; } }

.site-nav__menu {
  display: none;
  align-items: center;
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

@media (min-width: 60rem) { .site-nav__menu { display: flex; } }

.site-nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 450;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-soft);
  padding-block: 0.35rem;
  transition: color var(--duration-fast) var(--ease-out);
}

/* Subrayado que crece desde la izquierda. Reemplaza a los botones tipo pastilla
   con gradiente del diseño anterior, que competían entre sí por la atención. */
.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.site-nav__link:hover { color: var(--ink); }
.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--ink); }

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: none;
}

/* La llamada a la acción sólo aparece cuando hay espacio real para ella; en
   móvil su sitio está dentro del menú desplegable.
   Se cualifica con .btn porque la regla `.btn { display: inline-flex }` aparece
   más abajo en el archivo: con la misma especificidad ganaba la última y el
   botón seguía visible en móvil, empujando la barra fuera de la pantalla. */
.site-nav__cta.btn { display: none; padding: 0.7rem 1.35rem; }

@media (min-width: 60rem) { .site-nav__cta.btn { display: inline-flex; } }

/* -- Menú móvil ------------------------------------------------------------- */

.nav-toggle {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.5rem;
}

@media (min-width: 60rem) { .nav-toggle { display: none; } }

.nav-toggle__bars { position: relative; width: 20px; height: 12px; }

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { bottom: 0; }

[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(5.25px) rotate(45deg);
}
[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) {
  transform: translateY(-5.25px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 4.5rem 0 0;
  z-index: var(--z-overlay);
  background: var(--paper);
  padding: var(--space-xl) var(--shell-pad) var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.75rem);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              visibility var(--duration-base);
}

.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; }

@media (min-width: 60rem) { .mobile-menu { display: none; } }

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1.25;
  letter-spacing: -0.02em;
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
}

.mobile-menu__link .index-num { font-size: var(--text-2xs); }

/* =============================================================================
   Botones
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.75rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--duration-base) var(--ease-out),
              color var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
}

.btn:active { transform: translateY(1px); }

.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* Relleno sólido de tinta. Sin gradiente: un gradiente en el botón principal es
   la marca más reconocible de plantilla descargada. */
.btn--primary {
  background: var(--ink);
  color: var(--paper);
}

.btn--primary:hover:not(:disabled) { background: var(--accent); }

.btn--outline {
  border-color: var(--rule-strong);
  color: var(--ink);
}

.btn--outline:hover:not(:disabled) {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.btn--accent {
  background: var(--accent);
  color: #FFF;
}

.btn--accent:hover:not(:disabled) { background: var(--accent-hover); }

.btn--ghost { color: var(--ink-soft); padding-inline: 0.5rem; }
.btn--ghost:hover:not(:disabled) { color: var(--ink); }

.btn--block { width: 100%; }

.btn--lg { padding: 1.1rem 2.25rem; font-size: var(--text-base); }

/* La flecha se desplaza al pasar el cursor: microinteracción barata en coste y
   muy legible como "esto te lleva a otro sitio". */
.btn__arrow { transition: transform var(--duration-base) var(--ease-out); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* Enlace de texto con subrayado animado. */
.link-underline {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  padding-bottom: 2px;
}

.link-underline::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}

/* El subrayado se retrae por la derecha y vuelve a crecer por la izquierda:
   se lee como un gesto, no como un simple encendido/apagado. */
.link-underline:hover::after {
  animation: underlineSwipe var(--duration-slow) var(--ease-in-out);
}

@keyframes underlineSwipe {
  0%   { transform: scaleX(1); transform-origin: right; }
  49%  { transform: scaleX(0); transform-origin: right; }
  50%  { transform: scaleX(0); transform-origin: left; }
  100% { transform: scaleX(1); transform-origin: left; }
}

/* =============================================================================
   Conmutador de tema
   ============================================================================= */

.theme-toggle {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              transform var(--duration-base) var(--ease-spring);
}

.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--rule-strong);
  transform: rotate(28deg);
}

.theme-toggle svg { width: 1rem; height: 1rem; }

.theme-toggle__sun  { display: none; }
.theme-toggle__moon { display: block; }

[data-theme="dark"] .theme-toggle__sun  { display: block; }
[data-theme="dark"] .theme-toggle__moon { display: none; }

/* =============================================================================
   Tarjeta de trabajo (proyectos)
   ============================================================================= */

.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  isolation: isolate;
}

.work-card__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-sunk);
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
}

.work-card--tall .work-card__frame { aspect-ratio: 3 / 4; }
.work-card--wide .work-card__frame { aspect-ratio: 16 / 10; }

.work-card__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* La escala lenta y contenida (1.04, no 1.1) se lee como cine; un salto
     brusco se lee como efecto de plantilla. */
  transition: transform var(--duration-slow) var(--ease-out),
              filter var(--duration-slow) var(--ease-out);
}

.work-card:hover .work-card__frame img,
.work-card:focus-within .work-card__frame img {
  transform: scale(1.04);
}

/* Velo cálido en lugar del degradado negro genérico: mantiene la temperatura
   de la paleta en vez de introducir un gris frío. */
.work-card__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(20, 17, 15, 0.42), rgba(20, 17, 15, 0) 55%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
  pointer-events: none;
}

.work-card:hover .work-card__frame::after,
.work-card:focus-within .work-card__frame::after { opacity: 1; }

.work-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.work-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.12;
  letter-spacing: -0.02em;
  transition: color var(--duration-fast) var(--ease-out);
}

.work-card:hover .work-card__title { color: var(--accent); }

.work-card__subtitle {
  font-size: var(--text-sm);
  color: var(--ink-muted);
  text-wrap: pretty;
}

.work-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--rule);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.6rem;
  white-space: nowrap;
}

.tag--accent {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

/* Toda la tarjeta es clicable mediante un enlace expandido, pero el elemento
   interactivo real sigue siendo un <a>. La versión anterior usaba onclick sobre
   un <article>, lo que la volvía inaccesible por teclado y para lectores. */
.stretched-link::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* =============================================================================
   Retícula de trabajo asimétrica (bento)
   ============================================================================= */

.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 3vw, 3rem);
}

@media (min-width: 48rem) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }

  /* El primer proyecto ocupa el ancho completo y adopta proporción panorámica:
     jerarquía real en vez de una cuadrícula uniforme donde todo pesa igual. */
  .work-grid > .work-card:first-child { grid-column: 1 / -1; }
  .work-grid > .work-card:first-child .work-card__frame { aspect-ratio: 21 / 9; }
  .work-grid > .work-card:first-child .work-card__title { font-size: var(--text-2xl); }
}

@media (min-width: 72rem) {
  .work-grid { grid-template-columns: repeat(6, 1fr); }

  .work-grid > .work-card { grid-column: span 3; }
  .work-grid > .work-card:first-child { grid-column: span 6; }

  /* A partir del segundo, un patrón 2-3-3-2 rompe la monotonía sin caer en el
     desorden: la vista encuentra ritmo pero conserva alineaciones. */
  .work-grid > .work-card:nth-child(2) { grid-column: span 2; }
  .work-grid > .work-card:nth-child(3) { grid-column: span 4; }
  .work-grid > .work-card:nth-child(4) { grid-column: span 4; }
  .work-grid > .work-card:nth-child(5) { grid-column: span 2; }

  .work-grid > .work-card:nth-child(2) .work-card__frame,
  .work-grid > .work-card:nth-child(5) .work-card__frame { aspect-ratio: 3 / 4; }
  .work-grid > .work-card:nth-child(3) .work-card__frame,
  .work-grid > .work-card:nth-child(4) .work-card__frame { aspect-ratio: 16 / 10; }
}

/* =============================================================================
   Flyers
   ============================================================================= */

.flyer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.flyer-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--paper-sunk);
  aspect-ratio: 4 / 5;
  cursor: zoom-in;
}

.flyer-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.flyer-card:hover img { transform: scale(1.05); }

.flyer-card__veil {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  background: linear-gradient(to top,
              rgba(20, 17, 15, 0.78), rgba(20, 17, 15, 0.12) 45%,
              rgba(20, 17, 15, 0) 70%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.flyer-card:hover .flyer-card__veil,
.flyer-card:focus-visible .flyer-card__veil { opacity: 1; }

.flyer-card__title {
  color: #FFF;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.3;
  transform: translateY(0.5rem);
  transition: transform var(--duration-base) var(--ease-out);
}

.flyer-card:hover .flyer-card__title { transform: none; }

/* =============================================================================
   Clientes
   ============================================================================= */

.client-grid {
  display: grid;
  /* `auto-fit` en lugar de `auto-fill`: con pocas celdas, las pistas vacías se
     colapsan y las existentes se reparten el ancho. Con `auto-fill` quedaba a
     la vista el fondo del contenedor como un bloque gris. */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
  /* Filetes en lugar de tarjetas: la retícula se dibuja con las separaciones,
     como en una tabla de catálogo impreso. */
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.client-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  background: var(--paper);
  min-height: 9.5rem;
  text-align: center;
  transition: background-color var(--duration-base) var(--ease-out);
}

.client-cell:hover { background: var(--paper-sunk); }

.client-cell__logo {
  height: 3rem;
  display: grid;
  place-items: center;
}

.client-cell__logo img {
  max-height: 3rem;
  max-width: 7.5rem;
  width: auto;
  object-fit: contain;
  /* Los logotipos ajenos llegan en colores dispares; desaturarlos en reposo
     mantiene la coherencia de la página y el color al pasar el cursor premia
     la interacción. */
  filter: grayscale(1);
  opacity: 0.62;
  transition: filter var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
}

.client-cell:hover .client-cell__logo img { filter: none; opacity: 1; }

[data-theme="dark"] .client-cell__logo img { filter: grayscale(1) invert(1) brightness(1.6); }
[data-theme="dark"] .client-cell:hover .client-cell__logo img { filter: none; }

.client-cell__name {
  font-size: var(--text-xs);
  color: var(--ink-muted);
  letter-spacing: var(--tracking-wide);
}

/* =============================================================================
   Formularios
   ============================================================================= */

.field { display: flex; flex-direction: column; gap: 0.5rem; }

.field__label {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-muted);
}

.field__label .req { color: var(--accent); }

/* Solo filete inferior. Una caja con borde completo y esquinas redondeadas es
   la estética de formulario de administración; el filete es de papelería. */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.7rem 0 0.65rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  border-radius: 0;
  color: var(--ink);
  font-size: var(--text-base);
  transition: border-color var(--duration-base) var(--ease-out);
}

.input::placeholder, .textarea::placeholder { color: var(--ink-faint); }

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

.input:focus-visible, .textarea:focus-visible, .select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.textarea { min-height: 8rem; resize: vertical; line-height: var(--leading-snug); }

.select {
  appearance: none;
  padding-right: 1.75rem;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: right 0.6rem center, right 0.25rem center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.select option { background: var(--paper); color: var(--ink); }

.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 40rem) {
  .field-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .field--full { grid-column: 1 / -1; }
}

/* Trampa para bots: invisible para personas, irresistible para rellenadores
   automáticos. Si llega con contenido, se descarta el envío. */
.honeypot {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0;
  pointer-events: none;
}

/* -- Valoración con estrellas ------------------------------------------------ */

.rating-input {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  gap: 0.3rem;
}

.rating-input input { position: absolute; opacity: 0; width: 0; height: 0; }

.rating-input label {
  font-size: 1.65rem;
  line-height: 1;
  color: var(--rule-strong);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-spring);
}

.rating-input label:hover,
.rating-input label:hover ~ label,
.rating-input input:checked ~ label { color: var(--accent); }

.rating-input label:hover { transform: scale(1.15); }

/* El anillo de foco debe verse también aquí: el input real está oculto, así que
   se traslada al label asociado. */
.rating-input input:focus-visible + label {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

.stars { display: inline-flex; gap: 0.15rem; line-height: 1; }

.star { color: var(--rule-strong); font-size: 1rem; }
.star--on { color: var(--accent); }

.star--half {
  position: relative;
  color: var(--rule-strong);
}

.star--half::before {
  content: '★';
  position: absolute;
  left: 0; top: 0;
  width: 50%;
  overflow: hidden;
  color: var(--accent);
}

/* -- Avisos ------------------------------------------------------------------ */

.notice {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  border-left: 2px solid;
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
}

.notice--ok {
  background: rgba(47, 115, 78, 0.09);
  border-color: #2F734E;
  color: #2F734E;
}

.notice--error {
  background: rgba(178, 58, 44, 0.09);
  border-color: #B23A2C;
  color: #B23A2C;
}

.notice--info {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

[data-theme="dark"] .notice--ok    { color: #7FCB9E; border-color: #7FCB9E; }
[data-theme="dark"] .notice--error { color: #F0907F; border-color: #F0907F; }

/* =============================================================================
   Reseñas
   ============================================================================= */

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: 1px;
  background: var(--rule);
  border-block: 1px solid var(--rule);
}

/* Sin reseñas no hay retícula que dibujar, así que el filete sobra. */
.review-grid:has(> .empty-note) {
  background: none;
  border-block: 0;
}

.review {
  background: var(--paper);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: background-color var(--duration-base) var(--ease-out);
}

.review:hover { background: var(--paper-sunk); }

.review__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
}

.review__author { font-weight: 550; font-size: var(--text-sm); }
.review__date   { font-size: var(--text-2xs); color: var(--ink-faint); font-family: var(--font-mono); }

.review__body {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  text-wrap: pretty;
}

.review__body::before { content: '“'; color: var(--accent); }
.review__body::after  { content: '”'; color: var(--accent); }

/* =============================================================================
   Acordeón (preguntas frecuentes)
   ============================================================================= */

.accordion { border-top: 1px solid var(--rule); }

.accordion__item { border-bottom: 1px solid var(--rule); }

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  text-align: left;
  font-size: var(--text-md);
  font-weight: 450;
  line-height: var(--leading-snug);
  color: var(--ink);
  transition: color var(--duration-fast) var(--ease-out);
}

.accordion__trigger:hover { color: var(--accent); }

.accordion__icon {
  flex: none;
  position: relative;
  width: 0.85rem;
  height: 0.85rem;
}

.accordion__icon::before,
.accordion__icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  transition: transform var(--duration-base) var(--ease-out),
              opacity var(--duration-fast) var(--ease-out);
}

.accordion__icon::before { top: 50%; left: 0; width: 100%; height: 1px; transform: translateY(-50%); }
.accordion__icon::after  { left: 50%; top: 0; height: 100%; width: 1px; transform: translateX(-50%); }

[aria-expanded="true"] .accordion__icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-base) var(--ease-out);
}

.accordion__panel[data-open="true"] { grid-template-rows: 1fr; }

/* El hijo con overflow oculto es lo que permite animar de 0fr a 1fr sin
   necesidad de medir la altura con JavaScript. */
.accordion__panel > div { overflow: hidden; }

.accordion__content {
  padding-bottom: var(--space-lg);
  padding-right: var(--space-2xl);
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-loose);
  text-wrap: pretty;
}

/* =============================================================================
   Modal / visor de imagen
   ============================================================================= */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--paper-inverse) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox.is-open { display: flex; animation: fade var(--duration-base) var(--ease-out); }

.lightbox__figure {
  position: relative;
  max-width: min(72rem, 100%);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  animation: scaleIn var(--duration-base) var(--ease-out);
}

.lightbox__img {
  max-width: 100%;
  max-height: calc(100vh - 9rem);
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xl);
}

.lightbox__caption {
  color: color-mix(in srgb, var(--paper) 78%, transparent);
  font-size: var(--text-sm);
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: -3rem;
  right: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--paper) 30%, transparent);
  color: var(--paper);
  transition: transform var(--duration-base) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.lightbox__close:hover {
  transform: rotate(90deg);
  background: color-mix(in srgb, var(--paper) 15%, transparent);
}

/* =============================================================================
   WhatsApp
   ============================================================================= */

.whatsapp-dock {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: var(--z-float);
}

.whatsapp-fab {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  box-shadow: var(--shadow-lg);
  transition: transform var(--duration-base) var(--ease-spring),
              background-color var(--duration-base) var(--ease-out);
}

.whatsapp-fab:hover { transform: scale(1.06); background: var(--accent); }

.whatsapp-fab svg { width: 1.4rem; height: 1.4rem; }

/* Sin pulso infinito. La animación en bucle del diseño anterior competía con el
   contenido de forma permanente y era exactamente el tipo de movimiento que
   molesta a quien tiene sensibilidad vestibular. */

.whatsapp-panel {
  position: absolute;
  right: 0;
  bottom: 4.25rem;
  width: min(20rem, calc(100vw - 2rem));
  background: var(--paper-raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem) scale(0.98);
  transform-origin: bottom right;
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              visibility var(--duration-base);
}

.whatsapp-panel.is-open { opacity: 1; visibility: visible; transform: none; }

.whatsapp-panel__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--rule);
}

.whatsapp-panel__title { font-size: var(--text-sm); font-weight: 550; }
.whatsapp-panel__sub   { font-size: var(--text-xs); color: var(--ink-muted); margin-top: 0.15rem; }

.whatsapp-panel__close {
  flex: none;
  width: 1.5rem; height: 1.5rem;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--ink-muted);
  transition: color var(--duration-fast) var(--ease-out),
              background-color var(--duration-fast) var(--ease-out);
}

.whatsapp-panel__close:hover { color: var(--ink); background: var(--veil); }

.whatsapp-option {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--ink-soft);
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              padding-left var(--duration-base) var(--ease-out);
}

.whatsapp-option:hover {
  background: var(--veil);
  color: var(--ink);
  padding-left: 0.85rem;
}

/* Iconos SVG lineales en lugar de emoji: los emoji se dibujan distinto en cada
   sistema operativo y rompen la coherencia visual de la marca. */
.whatsapp-option svg { width: 1rem; height: 1rem; flex: none; color: var(--ink-faint); }
.whatsapp-option:hover svg { color: var(--accent); }

.whatsapp-panel__list { max-height: 17rem; overflow-y: auto; }

/* =============================================================================
   Pie
   ============================================================================= */

.site-footer {
  border-top: 1px solid var(--rule);
  padding-block: var(--space-2xl) var(--space-xl);
  margin-top: var(--section-y);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
}

@media (min-width: 48rem) {
  .site-footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

.site-footer__lockup {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: var(--space-md);
}

.site-footer__lockup img { height: 2.25rem; width: 2.25rem; flex: none; }

.site-footer__wordmark {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -0.015em;
  line-height: 1;
}

.site-footer__note {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  max-width: 30ch;
  text-wrap: pretty;
}

.site-footer__heading {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: var(--space-sm);
}

.site-footer__list { display: flex; flex-direction: column; gap: 0.5rem; }

.site-footer__list a {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  transition: color var(--duration-fast) var(--ease-out);
}

.site-footer__list a:hover { color: var(--accent); }

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: var(--space-2xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--rule);
  font-size: var(--text-xs);
  color: var(--ink-faint);
}

/* =============================================================================
   Imágenes con marcador de posición
   =============================================================================
   Cuando un proyecto no tiene portada, en vez de un icono roto —que es lo que
   pasaba antes, porque los archivos placeholder-*.jpg nunca existieron— se
   dibuja un marcador tipográfico con la inicial.
   ========================================================================== */

.placeholder-art {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(45deg,
      var(--veil) 0, var(--veil) 1px,
      transparent 1px, transparent 9px),
    var(--paper-sunk);
}

.placeholder-art__letter {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--ink-faint);
  line-height: 1;
  user-select: none;
}