/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.75rem 1.5rem;
  min-height: 48px;
  font-size: var(--text-md);
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); opacity: 1; }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.btn--full { width: 100%; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-dark); }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover { background: var(--color-bg-soft); }

.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn--outline-white:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
}
.btn--whatsapp:hover { background: var(--color-whatsapp-dark); }

.btn--lg { padding: 0.875rem 2rem; font-size: var(--text-lg); }

/* Cards */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }

/* Service card */
.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-card);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: background var(--transition-base), color var(--transition-base);
}
.service-card:hover .service-card__icon {
  background: var(--color-primary);
  color: #fff;
}
.service-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.service-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); }

/* Testimonial card */
.testimonial-card {
  background: var(--color-bg);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}
.testimonial-card__quote { color: var(--color-primary); opacity: 0.3; }
.testimonial-card__text {
  font-size: var(--text-md);
  color: var(--color-text);
  line-height: 1.7;
  flex: 1;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-lg);
  flex-shrink: 0;
}
.testimonial-card__name { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); display: block; }
.testimonial-card__stars { color: var(--color-star); font-size: var(--text-sm); letter-spacing: 2px; }

/* Slider */
.slider { position: relative; overflow: hidden; }
.slider__track {
  display: flex;
  gap: var(--space-3);
  transition: transform var(--transition-slow);
  will-change: transform;
}
.slider__track .testimonial-card {
  flex: 0 0 calc(33.333% - var(--space-2));
}
.slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.slider__btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.slider__btn:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.slider__btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 3px; }
.slider__dots { display: flex; gap: var(--space-1); align-items: center; }
.slider__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: background var(--transition-fast), width var(--transition-fast);
  cursor: pointer;
  border: none;
}
.slider__dot.is-active { background: var(--color-primary); width: 24px; }
.slider__dot:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

/* Formulário */
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }
.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-label span { color: var(--color-primary); }
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,109,181,0.15);
}
.form-input.is-error { border-color: var(--color-error); }
.form-input.is-error:focus { box-shadow: 0 0 0 3px rgba(239,68,68,0.15); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { cursor: pointer; }
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  font-weight: 500;
  min-height: 1.2em;
}
.form-success {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(16,185,129,0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-btn);
  color: var(--color-success);
  font-weight: 600;
  margin-top: var(--space-2);
}

/* Stat cards */
.stat-card {
  background: var(--color-bg);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}
.stat-card__number {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.stat-card__symbol {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-left: 2px;
}
.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 500;
}

/* WhatsApp flutuante */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  z-index: var(--z-float);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: var(--color-whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.4); opacity: 1; }
.whatsapp-float:focus-visible { outline: 3px solid var(--color-whatsapp); outline-offset: 3px; }
.whatsapp-float__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  background: var(--color-text);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}
.whatsapp-float__tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--color-text);
  border-right: none;
}
.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; }