/* ==========================================================================
   PORTAFOLIO — Filtros, tarjetas de sistema y CTA
   ========================================================================== */

/* Halo de vidrio detrás del portafolio — le da a las tarjetas algo que refractar */
#portafolio { overflow: hidden; }
#portafolio::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(620px circle at 6% 4%, var(--tint-strong), transparent 55%),
    radial-gradient(680px circle at 94% 26%, color-mix(in srgb, #6366f1 15%, transparent), transparent 55%),
    radial-gradient(560px circle at 52% 108%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 55%);
}
#portafolio > .container { position: relative; z-index: 1; }

/* ── Filtros ──────────────────────────────────────────── */
.portfolio-filters {
  display: flex;
  gap: 0.35rem;
  justify-content: center;
  flex-wrap: wrap;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 2.75rem;
  padding: 0.4rem;
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(1.6);
  backdrop-filter: blur(16px) saturate(1.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}
:root.dark .portfolio-filters {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.05rem;
  border-radius: var(--r-full);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 550;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, background 0.25s, box-shadow 0.25s;
}
.filter-btn:hover { color: var(--text); background: var(--surface-2); }
.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), #e53935);
  color: #fff;
  box-shadow: 0 4px 14px var(--glow);
}
/* 0.65 de opacidad dejaba el recuento por debajo del contraste mínimo,
   sobre todo en blanco contra el degradado rojo del filtro activo. */
.filter-btn__count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  opacity: 0.85;
}

/* ── Grid ─────────────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: 1.5rem;
  align-items: start;
}

.portfolio-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

/* ── Tarjeta (vidrio esmerilado) ──────────────────────── */
.portfolio-card {
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--surface) 66%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(1.7);
  backdrop-filter: blur(20px) saturate(1.7);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
              border-color 0.35s var(--ease);
}
:root.dark .portfolio-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025));
  border-color: var(--glass-border);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

a.portfolio-card { text-decoration: none; color: inherit; }

.portfolio-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
}
:root.dark .portfolio-card:hover {
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

/* Cuando el foco entra por teclado, la tarjeta se marca entera */
.portfolio-card:focus-within {
  border-color: color-mix(in srgb, var(--primary) 45%, transparent);
  box-shadow: var(--shadow), 0 0 0 3px var(--tint-strong);
}

.portfolio-card--featured {
  box-shadow: 0 0 0 1px var(--tint);
}
.portfolio-card--featured::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
  z-index: 4;
  pointer-events: none;
}

/* ── Cabecera visual ──────────────────────────────────── */
.portfolio-card__visual {
  position: relative;
  height: 186px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

/* Gradiente por categoría */
.portfolio-card__visual[data-cat="saas"] { background: linear-gradient(135deg, #16265e 0%, #1d4ed8 52%, #4338ca 100%); }
.portfolio-card__visual[data-cat="rpa"]  { background: linear-gradient(135deg, #6b220e 0%, #c2410c 52%, #f97316 100%); }
.portfolio-card__visual[data-cat="ia"]   { background: linear-gradient(135deg, #0b3b33 0%, #0f766e 52%, #14b8a6 100%); }
.portfolio-card__visual[data-cat="iot"]  { background: linear-gradient(135deg, #2b0d5e 0%, #5b21b6 52%, #7c3aed 100%); }
.portfolio-card__visual[data-cat="web"]  { background: linear-gradient(135deg, #04281a 0%, #065f46 52%, #059669 100%); }

/* Círculos decorativos */
.portfolio-card__visual::before,
.portfolio-card__visual::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}
.portfolio-card__visual::before { width: 190px; height: 190px; top: -55px; right: -45px; }
.portfolio-card__visual::after  { width: 110px; height: 110px; bottom: -35px; left: -25px; background: rgba(255, 255, 255, 0.04); }

/* Miniatura */
.portfolio-card__visual-thumb {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
  z-index: 0;
  transition: transform 0.5s var(--ease);
}
.portfolio-card:hover .portfolio-card__visual-thumb { transform: scale(1.05); }

.portfolio-card__visual--has-thumb .portfolio-card__visual-icon { display: none; }
.portfolio-card__visual--has-thumb::before,
.portfolio-card__visual--has-thumb::after { display: none; }

/* Miniatura sin recorte, sobre fondo derivado de la propia imagen */
.portfolio-card__visual-thumb-bg {
  position: absolute;
  inset: -8px;
  width: calc(100% + 16px);
  height: calc(100% + 16px);
  object-fit: cover;
  filter: blur(20px) saturate(1.1) brightness(1.06);
  z-index: 0;
  pointer-events: none;
}
:root.dark .portfolio-card__visual-thumb-bg {
  filter: blur(20px) saturate(0.65) brightness(0.32);
}
.portfolio-card__visual--thumb-contain .portfolio-card__visual-thumb {
  object-fit: contain;
  object-position: center;
  padding: 1rem;
  z-index: 1;
  filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.2));
}

/* Ícono de respaldo cuando la tarjeta no tiene miniatura */
.portfolio-card__visual-icon {
  display: grid;
  place-items: center;
  font-size: 3.1rem;
  color: #fff;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.35));
  transition: transform 0.45s var(--ease-back);
}
.portfolio-card:hover .portfolio-card__visual-icon { transform: scale(1.18) translateY(-5px); }

/* Estado */
.portfolio-card__badge {
  position: absolute;
  top: 0.85rem; right: 0.85rem;
  padding: 0.24rem 0.7rem;
  border-radius: var(--r-full);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 3;
  pointer-events: none;
}
.portfolio-card__badge--success   { background: rgba(16, 185, 129, 0.22); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.4); }
.portfolio-card__badge--info      { background: rgba(59, 130, 246, 0.22); color: #7dabfb; border: 1px solid rgba(59, 130, 246, 0.4); }
.portfolio-card__badge--highlight { background: rgba(211, 47, 47, 0.26);  color: #ff8a8a; border: 1px solid rgba(211, 47, 47, 0.45); }

/* Demo en vivo — píldora de vidrio oscuro con punto latiendo.
   Fondo oscuro para leerse sobre capturas de página claras u oscuras. */
.portfolio-card__badge--live {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  background: rgba(12, 18, 30, 0.58);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.24);
}
.portfolio-card__badge--live::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
  animation: live-pulse 2s ease-out infinite;
}
@keyframes live-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

/* Marca de agua */
.portfolio-card__watermark {
  position: absolute;
  bottom: 0.7rem; left: 0.7rem;
  width: 24px; height: 24px;
  object-fit: contain;
  opacity: 0.85;
  filter: drop-shadow(0 1px 5px rgba(0, 0, 0, 0.6));
  z-index: 3;
  pointer-events: none;
}

/* ── Contenido ────────────────────────────────────────── */
.portfolio-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.35rem 1.5rem 1.5rem;
}

.portfolio-card__tag {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
:root.dark .portfolio-card__tag { color: var(--primary-lite); }

.portfolio-card__title { font-size: 1.1rem; margin-bottom: 0.3rem; }

.portfolio-card__subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

/* Descripción recortada a cuatro líneas; «Ver más» la despliega en la tarjeta */
.portfolio-card__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-soft);
  margin-bottom: 0.65rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  overflow: hidden;
}
.portfolio-card__desc.is-expanded {
  -webkit-line-clamp: unset;
  line-clamp: unset;
  overflow: visible;
}

.portfolio-card__more {
  align-self: flex-start;
  margin-bottom: 0.9rem;
  padding: 0;
  border: none;
  background: none;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 650;
  cursor: pointer;
  transition: color 0.2s;
}
:root.dark .portfolio-card__more { color: var(--primary-lite); }
.portfolio-card__more:hover { text-decoration: underline; }
.portfolio-card__more[hidden] { display: none; }

/* Pie de la tarjeta */
.portfolio-card__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}

/* Salida al sistema publicado */
.portfolio-card__live {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  background: var(--surface-2);
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
:root.dark .portfolio-card__live { background: rgba(255, 255, 255, 0.05); }
.portfolio-card__live:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--tint);
}
:root.dark .portfolio-card__live:hover { color: var(--primary-lite); }

@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-filters { border-radius: var(--r); }
}

/* El desenfoque de fondo por tarjeta es caro en equipos modestos: en pantallas
   pequeñas se cambia por una superficie sólida. */
@media (max-width: 768px) {
  .portfolio-card {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--surface);
  }
  :root.dark .portfolio-card { background: var(--surface-2); }
}

/* ==========================================================================
   CTA — Franja de conversión
   ========================================================================== */

.cta-section {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 1.5rem;
  text-align: center;
  color: #fff;
  background: linear-gradient(125deg, var(--primary-dark) 0%, var(--primary) 45%, #e04a3a 100%);
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 15% 20%, rgba(255, 255, 255, 0.12), transparent 55%),
    url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='20' cy='20' r='1.6'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.cta-section > .container { position: relative; z-index: 1; }
.cta-section h3 {
  color: #fff;
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  margin-bottom: 0.6rem;
}
.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 auto 1.9rem;
  max-width: 52ch;
}
.cta-section .btn {
  background: #fff;
  color: var(--primary) !important;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}
.cta-section .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.3);
}