/* ═══════════════════════════════════════════
   AB Proyectos — Dark Edition + Drawer
   ═══════════════════════════════════════════ */

:root {
  --ab-navy:    #0A1628;
  --ab-navy2:   #0F1F38;
  --ab-navy3:   #162440;
  --ab-gold:    #E8A020;
  --ab-gold2:   #F5B840;
  --ab-red:     #C44B2B;
  --ab-teal:    #1A8A6A;
  --ab-white:   #FFFFFF;
  --ab-gray:    #8A9BB0;
  --ab-border:  rgba(232, 160, 32, 0.15);
  --ab-radius:  12px;
  --ab-ease:    cubic-bezier(0.4, 0, 0.2, 1);
}

body.ab-no-scroll { overflow: hidden; }
.ab-wrap { position: relative; }

/* GRID */
.ab-grid { display: grid; gap: 24px; margin: 0; padding: 0; }
.ab-cols-1 { grid-template-columns: 1fr; }
.ab-cols-2 { grid-template-columns: repeat(2, 1fr); }
.ab-cols-3 { grid-template-columns: repeat(3, 1fr); }
.ab-cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .ab-cols-3, .ab-cols-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 580px) { .ab-grid { grid-template-columns: 1fr !important; gap: 16px; } }

/* TARJETA */
.ab-card {
  background: var(--ab-navy2);
  border: 1px solid var(--ab-border);
  border-radius: var(--ab-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  transition: transform .3s var(--ab-ease), box-shadow .3s var(--ab-ease), border-color .3s var(--ab-ease);
  outline: none;
}
.ab-card:hover, .ab-card:focus-visible {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(232,160,32,.3);
  border-color: rgba(232,160,32,.4);
}

/* Imagen */
.ab-card-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--ab-navy); }
.ab-card-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .5s var(--ab-ease), filter .3s;
  filter: brightness(.85) saturate(.9);
}
.ab-card:hover .ab-card-img img { transform: scale(1.06); filter: brightness(.95) saturate(1.1); }
.ab-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10,22,40,.6) 100%);
  pointer-events: none;
}
.ab-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ab-navy) 0%, var(--ab-navy3) 100%);
  font-size: 52px; font-weight: 900; color: rgba(232,160,32,.12);
  letter-spacing: -3px; text-transform: uppercase; user-select: none;
}

/* Línea dorada animada */
.ab-card-line {
  position: absolute; bottom: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--ab-gold), var(--ab-gold2));
  transition: width .4s var(--ab-ease); z-index: 3;
}
.ab-card:hover .ab-card-line { width: 100%; }

/* Badge */
.ab-badge {
  position: absolute; top: 12px; right: 12px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 10px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; z-index: 4;
}
.ab-badge-produccion { background: #00A340; color: #fff; }
.ab-badge-desarrollo { background: var(--ab-gold); color: var(--ab-navy); }
.ab-badge-pausado    { background: rgba(138,155,176,.7); color: #fff; }
.ab-badge-completado { background: var(--ab-teal); color: #fff; }

/* Info */
.ab-card-info { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ab-card-top { display: flex; align-items: center; gap: 6px; }
.ab-anio { font-size: 11px; font-weight: 700; color: var(--ab-gold); letter-spacing: 1px; }
.ab-sep  { color: rgba(138,155,176,.4); font-size: 11px; }
.ab-rol  { font-size: 11px; color: var(--ab-gray); }
.ab-card-titulo { font-size: 15px; font-weight: 700; color: var(--ab-white); line-height: 1.35; margin: 0; }

/* Chips */
.ab-stack { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 2px; }
.ab-chip {
  padding: 2px 9px; background: rgba(232,160,32,.1);
  border: 1px solid rgba(232,160,32,.2); border-radius: 20px;
  font-size: 10px; font-weight: 600; color: var(--ab-gold); white-space: nowrap;
}
.ab-chip-more { background: rgba(138,155,176,.1); border-color: rgba(138,155,176,.2); color: var(--ab-gray); }

/* Botón ver detalle */
.ab-ver-btn {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 6px;
  padding: 0; background: none; border: none; color: var(--ab-gray);
  font-size: 12px; font-weight: 600; cursor: pointer; letter-spacing: .3px;
  transition: color .2s, gap .2s; align-self: flex-start;
}
.ab-card:hover .ab-ver-btn { color: var(--ab-gold); gap: 10px; }

/* DRAWER */
.ab-drawer {
  position: fixed; inset: 0; z-index: 99999;
  pointer-events: none; visibility: hidden;
}
.ab-drawer.ab-open { pointer-events: all; visibility: visible; }

.ab-drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(5,10,20,0);
  transition: background .35s var(--ab-ease);
  cursor: pointer;
}
.ab-drawer.ab-open .ab-drawer-backdrop {
  background: rgba(5,10,20,.75);
  backdrop-filter: blur(4px);
}

.ab-drawer-panel {
  position: absolute; top: 0; right: 0; height: 100%;
  width: 480px; max-width: 95vw;
  background: var(--ab-navy2);
  border-left: 1px solid var(--ab-border);
  transform: translateX(100%);
  transition: transform .4s var(--ab-ease);
  overflow-y: auto;
  display: flex; flex-direction: column;
  box-shadow: -20px 0 80px rgba(0,0,0,.5);
}
.ab-drawer.ab-open .ab-drawer-panel { transform: translateX(0); }
.ab-drawer-panel::before {
  content: ''; display: block; height: 3px; flex-shrink: 0;
  background: linear-gradient(90deg, var(--ab-gold), var(--ab-gold2), transparent);
}

.ab-drawer-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--ab-gray);
  transition: background .2s, color .2s, transform .2s; z-index: 10;
}
.ab-drawer-close:hover { background: rgba(232,160,32,.15); color: var(--ab-gold); transform: rotate(90deg); }

/* Contenido drawer */
.ab-drawer-content { flex: 1; }

.ab-d-img { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--ab-navy); }
.ab-d-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ab-d-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--ab-navy) 0%, var(--ab-navy3) 100%);
  font-size: 72px; font-weight: 900; color: rgba(232,160,32,.1); letter-spacing: -4px;
}
.ab-d-img::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 80px;
  background: linear-gradient(to bottom, transparent, var(--ab-navy2));
}
.ab-d-badge {
  position: absolute; top: 14px; left: 14px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 10px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase; z-index: 4;
}

.ab-d-body { padding: 24px 28px 40px; display: flex; flex-direction: column; gap: 16px; }
.ab-d-meta { display: flex; align-items: center; gap: 10px; }
.ab-d-anio { font-size: 12px; font-weight: 700; color: var(--ab-gold); letter-spacing: 1.5px; }
.ab-d-rol  { font-size: 12px; color: var(--ab-gray); padding-left: 10px; border-left: 2px solid rgba(138,155,176,.2); }
.ab-d-titulo { font-size: 22px; font-weight: 800; color: var(--ab-white); line-height: 1.25; letter-spacing: -.5px; margin: 0; }
.ab-d-desc  { font-size: 14px; color: rgba(138,155,176,.9); line-height: 1.8; margin: 0; }

.ab-d-stack { border-top: 1px solid rgba(255,255,255,.06); padding-top: 16px; }
.ab-d-stack-label {
  display: block; font-size: 10px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--ab-gray); margin-bottom: 10px;
}
.ab-d-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.ab-d-chip {
  padding: 5px 14px; background: rgba(232,160,32,.08);
  border: 1px solid rgba(232,160,32,.25); border-radius: 20px;
  font-size: 12px; font-weight: 600; color: var(--ab-gold);
}

.ab-d-footer { border-top: 1px solid rgba(255,255,255,.06); padding-top: 16px; }
.ab-d-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; background: var(--ab-gold);
  color: var(--ab-navy) !important; border-radius: 8px;
  font-size: 13px; font-weight: 700; text-decoration: none !important;
  transition: background .2s, transform .2s; letter-spacing: .2px;
}
.ab-d-link:hover { background: var(--ab-gold2); transform: translateY(-2px); }

.ab-sin-proyectos { color: var(--ab-gray); font-style: italic; padding: 24px 0; }

@media (max-width: 540px) {
  .ab-drawer-panel { width: 100%; max-width: 100%; }
  .ab-d-body { padding: 20px 20px 36px; }
}