/* ==========================================================================
   100PHOTOGRAPHERS — Home
   Hero + filtros + grid/lista de fotógrafos + CTA final.
   Requiere variables.css y base.css cargados antes.
   ========================================================================== */

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  color: var(--color-on-primary);
  background-color: var(--color-primary);
  background-image:
    linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.75) 100%),
    var(--hero-image, none);
  background-size: cover;
  background-position: center;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding-block: var(--space-xl) var(--space-lg);
}

@media (min-width: 900px) {
  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: var(--space-xl);
  }
}

.hero__content {
  flex: 1 1 auto;
  min-width: 0;
}

/* ---- Mosaico de fotos del hero (2 fotos aleatorias del archivo): la
   primera más grande que la segunda, ambas alineadas abajo ---- */
.hero__media {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex-shrink: 0;
  width: 100%;
  max-width: 460px;
  align-self: center;
}

@media (min-width: 900px) {
  .hero__media {
    width: 520px;
  }
}

.hero__media-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-sm);
}

.hero__img {
  width: auto;
  min-width: 0;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-hover);
}

.hero__img--a {
  flex: 1.4 1 0;
}

.hero__img--b {
  flex: 1 1 0;
}

.hero__media-caption {
  margin-top: var(--space-xs);
  font-size: var(--font-label-sm-size);
  line-height: 1.4;
  opacity: 0.55;
}

.hero__eyebrow {
  font-size: var(--font-label-sm-size);
  font-weight: var(--font-label-sm-weight);
  letter-spacing: var(--font-label-sm-tracking);
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: var(--space-xs);
}

.hero__title {
  font-size: var(--font-display-lg-mobile-size);
  font-weight: var(--font-display-lg-mobile-weight);
  line-height: var(--font-display-lg-mobile-line-height);
  letter-spacing: var(--font-display-lg-mobile-tracking);
  max-width: 20ch;
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--font-display-lg-size);
    font-weight: var(--font-display-lg-weight);
    line-height: var(--font-display-lg-line-height);
    letter-spacing: var(--font-display-lg-tracking);
  }
}

.hero__subtitle {
  margin-top: var(--space-sm);
  font-size: var(--font-body-lg-size);
  line-height: var(--font-body-lg-line-height);
  max-width: 52ch;
  opacity: 0.9;
}

@media (max-width: 767px) {
  .hero__subtitle {
    font-size: 16px;
  }
}

/* ---- Variante centrada: páginas de categoría/época (sin mosaico de
   fotos, un único bloque de texto que queda mejor centrado) ---- */
.hero--centered .hero__inner {
  justify-content: center;
  text-align: center;
}

.hero--centered .hero__title,
.hero--centered .hero__subtitle {
  margin-left: auto;
  margin-right: auto;
  max-width: 80%;
}

@media (min-width: 768px) {
  .hero--centered .hero__title,
  .hero--centered .hero__subtitle {
    max-width: 60%;
  }
}

/* ==========================================================================
   Filter bar — input de búsqueda + 1 dropdown de categoría + toggle grid/list
   ========================================================================== */
.filter-bar {
  background-color: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-input-border);
  position: sticky;
  top: var(--navbar-height); /* debajo del TopNavBar fijo */
  z-index: 50;
}

.filter-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  padding-block: var(--space-sm);
  padding-top: 54px;
}

.filter-search {
  flex: 1 1 220px;
  height: 48px;
  padding-inline: var(--space-sm);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-full);
  background-color: var(--color-input-fill);
  font-size: var(--font-body-md-size);
  color: var(--color-on-surface);
}

.filter-search::placeholder {
  color: var(--color-on-surface-variant);
}

/* Botón-lupa que sustituye a .filter-search en móvil (js/mobile-search.js);
   oculto en escritorio, donde se usa el <input> real. */
.filter-search-trigger {
  display: none;
}

.filter-search-trigger.is-active {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.filter-select {
  height: 48px;
  padding-inline-start: var(--space-sm);
  padding-inline-end: calc(var(--space-sm) + 14px + var(--space-xs));
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-full);
  background-color: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  font-size: var(--font-body-md-size);
  min-width: 180px;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231a1c1c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  background-size: 14px 14px;
}

.filter-bar__view-toggle {
  display: inline-flex;
  margin-left: auto;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.view-toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 46px;
  padding-inline: var(--space-sm);
  font-size: var(--font-label-sm-size);
  font-weight: var(--font-label-sm-weight);
  letter-spacing: var(--font-label-sm-tracking);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  background-color: transparent;
}

.view-toggle__btn.is-active {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}

.filter-results-count {
  padding-block: var(--space-sm);
  font-size: 10px;
  letter-spacing: var(--font-label-sm-tracking);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

@media (max-width: 767px) {
  .filter-bar__inner {
    padding-top: 8px;
    flex-wrap: nowrap;
  }

  .filter-search {
    display: none;
  }

  .filter-search-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-full);
    background-color: var(--color-input-fill);
    color: var(--color-on-surface);
  }

  .filter-select {
    width: 60%;
  }

  .view-toggle__btn {
    padding-inline: 20px;
  }

  .view-toggle__label {
    display: none;
  }

  .filter-results-count {
    padding-block: 8px 16px;
  }
}

/* ---- Popup de búsqueda móvil (js/mobile-search.js): campo real dentro de
   una barra que baja bajo el TopNavBar, con fondo oscurecido debajo para
   cerrar tocando fuera. ---- */
.mobile-search-popup__backdrop {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.6);
}

.mobile-search-popup {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  z-index: 301;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-margin-mobile);
  background: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-input-border);
  animation: mobile-search-popup-in 0.2s ease-out;
}

@keyframes mobile-search-popup-in {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.mobile-search-popup__input {
  flex: 1 1 auto;
  height: 48px;
  padding-inline: var(--space-sm);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-full);
  background-color: var(--color-input-fill);
  font-size: var(--font-body-md-size);
  color: var(--color-on-surface);
}

.mobile-search-popup__input::placeholder {
  color: var(--color-on-surface-variant);
}

.mobile-search-popup__close {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 40px;
  height: 40px;
  color: var(--color-on-surface);
}

body.mobile-search-open {
  overflow: hidden;
}

/* ==========================================================================
   Directory section
   ========================================================================== */
.directory {
  padding-block: var(--space-lg) var(--space-xl);
}

/* ---- Grid view: 3 columnas desktop, cuadrados 1x1, alineados arriba ---- */
.photographer-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-gutter);
  align-items: start;
}

.photographer-grid[hidden] {
  display: none;
}

@media (min-width: 640px) {
  .photographer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .photographer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.photographer-card {
  display: block;
}

.photographer-card__image {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-container-high);
}

.photographer-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Placeholder mientras no hay foto real (data.images.cardThumbnail = null) */
.photographer-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-display-lg-mobile-size);
  font-weight: 600;
  color: var(--color-on-primary-container);
  background:
    repeating-linear-gradient(
      135deg,
      var(--color-surface-container-high),
      var(--color-surface-container-high) 10px,
      var(--color-surface-container-highest) 10px,
      var(--color-surface-container-highest) 20px
    );
}

.photographer-card__body {
  padding-top: var(--space-xs);
}

.photographer-card__name {
  font-size: var(--font-headline-md-size);
  font-weight: 600;
  line-height: 1.3;
}

.photographer-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

/* ---- List view: índice alfabético a 2 columnas ---- */
.photographer-list {
  column-count: 1;
  column-gap: var(--space-xl);
}

@media (min-width: 768px) {
  .photographer-list {
    column-count: 2;
  }
}

.list-letter-group {
  break-inside: avoid;
  margin-bottom: var(--space-md);
}

.list-letter-group__heading {
  font-size: var(--font-headline-md-size);
  font-weight: 600;
  color: var(--color-on-surface-variant);
  padding-block: var(--space-xs);
  border-bottom: 1px solid var(--color-input-border);
  margin-bottom: var(--space-xs);
}

.list-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: 10px;
  border-bottom: 1px solid var(--color-surface-container);
}

.list-item__name {
  font-size: var(--font-body-lg-size);
  font-weight: 500;
}

.list-item__meta {
  font-size: var(--font-label-sm-size);
  letter-spacing: var(--font-label-sm-tracking);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 55%;
}

/* ---- Estado vacío (sin resultados tras filtrar) ---- */
.directory-empty {
  padding-block: var(--space-xl);
  text-align: center;
  color: var(--color-on-surface-variant);
}

/* ==========================================================================
   CTA final — "Ready to frame your vision" (project_brief.md 3.2)
   ========================================================================== */
.cta-section {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  text-align: center;
  padding-block: var(--space-xl);
}

.cta-section__title {
  font-size: 32px;
  font-weight: 600;
  max-width: 24ch;
  margin-inline: auto;
}

/* ==========================================================================
   Botón "Volver arriba" — aparece al superar la mitad del scroll de la página
   ========================================================================== */
.back-to-top {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: var(--shadow-hover);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  opacity: 0.85;
}

.cta-section__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}