/* ==========================================================================
   TONALLITECH — Demos Page Styles
   ========================================================================== */

/* ─── DEMOS HERO ─── */
.demos-hero {
  position: relative;
  padding: calc(var(--nav-height) + 80px) var(--section-padding-x) 80px;
  overflow: hidden;
}

.demos-hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.demos-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tt-accent);
  border: 1px solid rgba(91, 106, 248, 0.3);
  background: rgba(91, 106, 248, 0.06);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
  animation: fadeUp 0.7s var(--ease) 0.1s both;
}

.demos-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 80px);
  font-weight: 800;
  line-height: 0.97;
  letter-spacing: -0.04em;
  color: var(--tt-text);
  margin-bottom: var(--space-6);
  animation: fadeUp 0.7s var(--ease) 0.2s both;
}

.demos-hero__title em {
  font-style: italic;
  font-family: var(--font-serif);
  color: var(--tt-accent);
  font-weight: 400;
  font-size: 1.04em;
}

.demos-hero__desc {
  font-size: var(--text-md);
  color: var(--tt-muted);
  max-width: 540px;
  line-height: 1.85;
  margin-bottom: var(--space-10);
  animation: fadeUp 0.7s var(--ease) 0.3s both;
}

/* Stats row */
.demos-hero__stats {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--tt-border);
  flex-wrap: wrap;
  animation: fadeUp 0.7s var(--ease) 0.4s both;
}

.demos-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.demos-hero__stat-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--tt-text);
  letter-spacing: -0.03em;
  line-height: 1;
}

.demos-hero__stat-label {
  font-size: var(--text-xs);
  color: var(--tt-muted);
  letter-spacing: 0.05em;
}

/* ─── FILTER BAR ─── */
.filter-bar {
  border-top: 1px solid var(--tt-border);
  border-bottom: 1px solid var(--tt-border);
  position: sticky;
  top: var(--nav-height);
  z-index: var(--z-raised);
  background: rgba(8, 9, 12, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--duration) var(--ease);
}

.filter-bar.is-stuck {
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.filter-bar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 56px;
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.filter-tabs::-webkit-scrollbar { display: none; }

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--tt-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
  white-space: nowrap;
  background: none;
}

.filter-tab:hover {
  color: var(--tt-text-2);
  background: rgba(255,255,255,0.04);
}

.filter-tab.is-active {
  color: var(--tt-accent);
  background: var(--tt-accent-dim);
  border-color: rgba(91, 106, 248, 0.25);
}

.filter-tab__count {
  font-size: 10px;
  color: inherit;
  opacity: 0.65;
  font-family: var(--font-display);
  font-weight: 600;
}

/* Sort / view controls */
.filter-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.filter-count {
  font-size: var(--text-xs);
  color: var(--tt-muted-2);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--tt-surface-2);
  border: 1px solid var(--tt-border);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.view-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  color: var(--tt-muted);
  cursor: pointer;
  transition: all var(--duration-fast);
  background: none;
  border: none;
}

.view-btn.is-active {
  background: var(--tt-surface-3);
  color: var(--tt-text-2);
}

.view-btn svg {
  width: 14px;
  height: 14px;
}

/* ─── DEMOS GRID ─── */
.demos-section {
  padding: var(--space-12) var(--section-padding-x) var(--space-20);
  max-width: var(--max-width);
  margin: 0 auto;
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  transition: all var(--duration) var(--ease);
  align-items: start;
}

/* Featured card spans full width */
.demos-grid .project-card--star {
  grid-column: 1 / -1;
}

.demos-grid.list-view {
  grid-template-columns: 1fr;
}

.demos-grid.list-view .project-card--star {
  grid-column: auto;
}

/* ─── PROJECT CARD ─── */
.project-card {
  border: 1px solid var(--tt-border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  background: var(--tt-surface);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 0% 0%, rgba(91,106,248,0.06) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease);
  pointer-events: none;
}

.project-card:hover {
  border-color: rgba(91, 106, 248, 0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.project-card:hover::before { opacity: 1; }

/* Star / featured variant */
.project-card--star {
  border-color: rgba(240, 192, 96, 0.2);
  background: linear-gradient(135deg, var(--tt-surface) 0%, rgba(240,192,96,0.03) 100%);
}

.project-card--star:hover {
  border-color: rgba(240, 192, 96, 0.4);
}

.project-card--star::before {
  background: radial-gradient(ellipse at 0% 0%, rgba(240,192,96,0.06) 0%, transparent 55%);
}

/* Featured card: content-wrap maneja el layout de 2 columnas */
.project-card--star .project-card__content-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-7);
  align-items: start;
  width: 100%;
}

.project-card--star .project-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-width: 0;
}

.project-card--star .project-card__title {
  font-size: 20px;
}

/* Mini preview columna derecha */
.project-card--star .project-card__preview {
  min-width: 0;
  align-self: start;
}

/* ─── CARD HEADER ─── */
.project-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.project-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  border: 1px solid;
}

/* Icon color variants */
.icon--system    { background: var(--cat-system-bg);    border-color: var(--cat-system-border);    color: var(--cat-system-color); }
.icon--tool      { background: var(--cat-tool-bg);      border-color: var(--cat-tool-border);      color: var(--cat-tool-color); }
.icon--creative  { background: var(--cat-creative-bg);  border-color: var(--cat-creative-border);  color: var(--cat-creative-color); }
.icon--edu       { background: var(--cat-edu-bg);       border-color: var(--cat-edu-border);       color: var(--cat-edu-color); }
.icon--awareness { background: var(--cat-awareness-bg); border-color: var(--cat-awareness-border); color: var(--cat-awareness-color); }
.icon--bot       { background: var(--cat-bot-bg);       border-color: var(--cat-bot-border);       color: var(--cat-bot-color); }
.icon--platform  { background: var(--cat-platform-bg);  border-color: var(--cat-platform-border);  color: var(--cat-platform-color); }

.project-card__badges {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}

/* Star badge */
.badge--star {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(240, 192, 96, 0.12);
  color: var(--tt-gold);
  border: 1px solid rgba(240, 192, 96, 0.25);
}

/* ─── CARD BODY ─── */
.project-card__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--tt-text);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--tt-muted);
  line-height: 1.75;
  flex: 1;
}

/* Tech stack pills */
.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ─── CARD FOOTER ─── */
.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--tt-border);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tt-accent);
  text-decoration: none;
  transition: gap var(--duration-fast), opacity var(--duration-fast);
}

.project-card__link:hover {
  gap: var(--space-3);
}

.project-card__link .arrow {
  transition: transform var(--duration-fast) var(--ease);
}
.project-card__link:hover .arrow {
  transform: translateX(3px);
}

.project-card__status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 10px;
  color: var(--tt-muted-2);
  letter-spacing: 0.06em;
}

/* ─── LIST VIEW VARIANT ─── */
.demos-grid.list-view .project-card {
  flex-direction: row;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-6);
  min-height: 80px;
}

/* Ocultar mini-preview del PDV en lista */
.demos-grid.list-view .project-card--star .project-card__preview {
  display: none;
}

/* En lista, content-wrap vuelve a ser flex normal */
.demos-grid.list-view .project-card--star .project-card__content-wrap {
  display: contents;
}

/* Reset del body del featured en lista */
.demos-grid.list-view .project-card--star .project-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Icono: columna fija a la izquierda */
.demos-grid.list-view .project-card__head {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-shrink: 0;
  width: 72px;
}

/* Badge de categoría debajo del ícono, centrado y sin corte */
.demos-grid.list-view .project-card__badges {
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.demos-grid.list-view .project-card__badges .badge--star {
  display: none;
}

/* Ícono un poco más grande */
.demos-grid.list-view .project-card__icon {
  width: 44px;
  height: 44px;
  font-size: 18px;
}

/* Cuerpo: ocupa el espacio disponible */
.demos-grid.list-view .project-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.demos-grid.list-view .project-card__title {
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demos-grid.list-view .project-card__desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.6;
}

.demos-grid.list-view .project-card__stack {
  display: none;
}

/* Footer: columna a la derecha, alineado al centro vertical */
.demos-grid.list-view .project-card__footer {
  border: none;
  padding: 0;
  padding-left: var(--space-4);
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-2);
  flex-shrink: 0;
  min-width: 140px;
}

/* Ocultar botón de cotización en lista (ocupa mucho espacio) */
.demos-grid.list-view .project-card__footer .btn--sm {
  display: none;
}

.demos-grid.list-view .project-card::before {
  display: none;
}

/* ─── EMPTY STATE ─── */
.demos-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-20) var(--space-8);
}

.demos-empty__icon {
  font-size: 40px;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.demos-empty__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--tt-text-2);
  margin-bottom: var(--space-3);
}

.demos-empty__desc {
  font-size: var(--text-sm);
  color: var(--tt-muted);
}

/* ─── CTA BOTTOM STRIP ─── */
.demos-cta-strip {
  border-top: 1px solid var(--tt-border);
  padding: var(--space-10) var(--section-padding-x);
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.demos-cta-strip__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--tt-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.demos-cta-strip__desc {
  font-size: var(--text-sm);
  color: var(--tt-muted);
}

.demos-cta-strip__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ─── RESPONSIVE ─── */

/* Tablet grande: 2 columnas, featured ocupa todo */
/* ─── RESPONSIVE ─── */

/* Tablet grande: 2 col, featured colapsa a 1 col interna */
@media (max-width: 1024px) {
  .demos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  .project-card {
    padding: var(--space-6);
  }

  /* Featured: colapsa el content-wrap a 1 columna */
  .project-card--star .project-card__content-wrap {
    grid-template-columns: 1fr;
  }
}

/* Tablet chico: 1 columna, hero compacto */
@media (max-width: 768px) {
  .demos-hero {
    padding: calc(var(--nav-height) + 48px) var(--section-padding-x) 48px;
  }

  .demos-hero__stats {
    gap: var(--space-5);
  }

  .filter-bar__inner {
    flex-wrap: wrap;
    padding: var(--space-3) var(--section-padding-x);
    min-height: auto;
    gap: var(--space-3);
  }

  .filter-controls {
    width: 100%;
    justify-content: space-between;
  }

  .demos-section {
    padding: var(--space-8) var(--section-padding-x) var(--space-12);
  }

  .demos-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* Móvil */
@media (max-width: 640px) {
  .demos-hero__desc {
    font-size: var(--text-sm);
  }

  .demos-hero__stats {
    gap: var(--space-4);
  }

  .demos-hero__stat-num {
    font-size: var(--text-xl);
  }

  .demos-grid,
  .demos-grid.list-view {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .project-card {
    padding: var(--space-5);
    gap: var(--space-4);
  }

  /* Featured: ocultar preview en móvil */
  .project-card--star .project-card__preview {
    display: none;
  }

  .project-card--star .project-card__content-wrap {
    grid-template-columns: 1fr;
  }

  .project-card__title {
    font-size: 15px;
  }

  .project-card__footer {
    gap: var(--space-2);
  }

  /* List-view en móvil */
  .demos-grid.list-view .project-card {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    min-height: auto;
  }

  .demos-grid.list-view .project-card__head {
    flex-direction: row;
    width: 100%;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-3);
  }

  .demos-grid.list-view .project-card__badges {
    align-items: flex-start;
    flex-direction: row;
    width: auto;
  }

  .demos-grid.list-view .project-card__body {
    width: 100%;
  }

  .demos-grid.list-view .project-card__title {
    white-space: normal;
  }

  .demos-grid.list-view .project-card__footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-width: auto;
    padding-left: 0;
    border-top: 1px solid var(--tt-border);
    padding-top: var(--space-3);
  }

  .demos-cta-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8) var(--section-padding-x);
  }

  .demos-cta-strip__actions {
    width: 100%;
  }

  .demos-cta-strip__actions .btn {
    flex: 1;
    justify-content: center;
    text-align: center;
  }
}

/* Móvil muy pequeño */
@media (max-width: 380px) {
  .project-card {
    padding: var(--space-4);
  }

  .filter-tab {
    padding: 5px 10px;
    font-size: 9px;
  }
}