/* ============================================================
   CENTINELA SMART — components.css
   Componentes reutilizables: botones, cards, badges, tags.
   ============================================================ */

/* ==================== BOTONES ==================== */

/* Botón primario: fondo cian sólido */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.8rem 1.8rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg-deep);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn-primary:hover {
  background: #fff;
  color: var(--bg-deep);
  box-shadow: 0 0 40px var(--cyan-glow), 0 0 80px rgba(0, 245, 212, 0.2);
  transform: translateY(-2px);
}

/* Botón outline: solo borde cian */
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.btn-outline:hover {
  background: var(--cyan-dim);
  color: white;
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-2px);
}

/* Botón ghost: sin borde */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--bg-border);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Icono de WhatsApp dentro del botón */
.btn-whatsapp {
  background: #25D366;
  color: white;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  box-shadow: 0 0 40px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
  color: white;
}

/* ==================== CARDS ==================== */

/* Card base: superficie elevada con borde sutil */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Efecto de brillo en hover: línea cian en el borde superior */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  background: var(--bg-elevated);
  border-color: rgba(0, 245, 212, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

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

/* Icono grande dentro de una card de servicio */
.card-icon {
  width: 56px;
  height: 56px;
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 245, 212, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: 1.5rem;
  transition: all var(--transition-base);
}

.card:hover .card-icon {
  background: var(--cyan);
  color: var(--bg-deep);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  letter-spacing: 0.03em;
}

.card-text {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
}

/* ==================== BADGES / ETIQUETAS ==================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-cyan {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 245, 212, 0.2);
}

.badge-navy {
  background: rgba(26, 58, 110, 0.4);
  color: var(--text-secondary);
  border: 1px solid rgba(26, 58, 110, 0.6);
}

/* Punto de estado activo (pulsante) */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  display: inline-block;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--cyan-glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
}

/* ==================== STAT CARD (números de impacto) ==================== */

.stat-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  color: var(--cyan);
  line-height: 1;
  display: block;
  text-shadow: 0 0 30px var(--cyan-glow);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: var(--space-2);
  display: block;
}

/* ==================== PROJECT CARD (portafolio) ==================== */

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: brightness(0.7) saturate(0.8);
}

.project-card:hover img {
  transform: scale(1.05);
  filter: brightness(0.5) saturate(0.6);
}

/* Overlay con info del proyecto */
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5, 10, 21, 0.95) 0%,
    rgba(5, 10, 21, 0.4) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* Borde cian visible siempre en la parte inferior */
.project-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.project-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

/* ==================== BOTÓN FLOTANTE WHATSAPP ==================== */

.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all var(--transition-base);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
  background: #20bd5a;
}

/* Tooltip que aparece al hacer hover */
.whatsapp-float::before {
  content: 'Solicitar Auditoría';
  position: absolute;
  right: 72px;
  background: #25D366;
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.whatsapp-float:hover::before {
  opacity: 1;
}

/* SVG del icono WhatsApp */
.whatsapp-float svg {
  width: 30px;
  height: 30px;
  fill: white;
}

/* ==================== FORM INPUTS ==================== */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* ==================== GRID RESPONSIVO ==================== */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}