.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: var(--size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.05);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::before { opacity: 1; }

.btn--primary {
  background: var(--color-red);
  color: var(--color-text);
  box-shadow: 0 0 20px var(--color-red-glow);
}
.btn--primary:hover {
  background: var(--color-red-hover);
  box-shadow: 0 0 32px rgba(231, 1, 15, 0.45);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); }

.btn--outline {
  border: 1px solid var(--color-border-red);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-red);
  box-shadow: 0 0 20px var(--color-red-glow);
  transform: translateY(-2px);
}

.btn--ghost {
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  color: var(--color-text);
}

.btn--whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.25);
}
.btn--whatsapp:hover {
  background: #20bc5a;
  box-shadow: 0 0 32px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}
.btn--whatsapp:active { transform: translateY(0); }

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: var(--z-nav);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-base);
  animation: float 3s ease-in-out infinite;
}
.whatsapp-float:hover {
  background: #20bc5a;
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
  animation: none;
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

.btn .btn-icon {
  transition: transform var(--transition-base);
}
.btn:hover .btn-icon { transform: translateX(3px); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-border-red);
  background: var(--color-red-subtle);
  color: var(--color-red);
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-red);
  animation: pulse-dot 2s infinite;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-red-glow), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-red);
  transform: translateY(-6px);
  box-shadow: var(--shadow-red);
}
.card:hover::before { opacity: 1; }

.section-header {
  margin-bottom: var(--space-16);
}

.section-header .badge {
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--size-2xl), 4vw, var(--size-4xl));
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.section-title em {
  font-style: normal;
  color: var(--color-red);
}

.section-desc {
  font-size: var(--size-md);
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
}

.section-header--center {
  text-align: center;
}
.section-header--center .section-desc {
  margin-inline: auto;
}

.line-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin-block: var(--space-24);
}

.highlight {
  color: var(--color-red);
  position: relative;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-red);
  line-height: 1;
}

.stat-label {
  font-size: var(--size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: var(--space-2);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-red-subtle);
  border: 1px solid var(--color-border-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-6);
  transition: all var(--transition-base);
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-30px);
}
.reveal--left.visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}
.reveal--right.visible {
  transform: translateX(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px var(--color-red-glow); }
  50% { box-shadow: 0 0 40px rgba(231, 1, 15, 0.45); }
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes draw-line {
  from { scaleX: 0; }
  to { scaleX: 1; }
}