.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  justify-content: center;
}

.btn--whatsapp {
  background: #25d366;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}

.btn--outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--white);
  color: var(--primary-dark);
}

.btn--white:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.btn--lg { padding: 16px 36px; font-size: 1.05rem; }

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}

.logo__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--teal));
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
}

.logo__text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
}