.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  border-radius: var(--radius-btn);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .btn:hover,
  .btn:active {
    transform: none;
  }
}

.btn--header-cta {
  background: linear-gradient(90deg, #0088ff 0%, #00bcff 100%);
  color: #ffffff;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 0.76rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 140, 255, 0.35);
  gap: 8px;
  border-radius: var(--radius-btn);
}

.icon-whatsapp {
  fill: currentColor;
  flex-shrink: 0;
}

.icon-whatsapp--lg {
  width: 28px;
  height: 28px;
}

.btn--header-cta .icon-whatsapp {
  width: 16px;
  height: 16px;
}

.btn--hero-cta {
  background: linear-gradient(90deg, #0066ff 0%, #0099ff 100%);
  color: #ffffff;
  min-height: 44px;
  padding: 9px 20px;
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 102, 255, 0.4);
  gap: 8px;
  border-radius: var(--radius-btn);
}

.btn--hero-cta .icon-whatsapp {
  width: 15px;
  height: 15px;
}

.btn--hero-ghost {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  color: #ffffff;
  min-height: 44px;
  padding: 8px 20px;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
}

.btn--hero-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.btn--cta-banner {
  background: #ffffff;
  color: #0a192f;
  min-height: 44px;
  padding: 7px 18px;
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  gap: 8px;
  white-space: nowrap;
  margin-top: -6px;
  border-radius: var(--radius-btn);
}

.btn--cta-banner svg {
  width: 15px;
  height: 15px;
  color: #0066ff;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn--cta-banner:hover svg {
  transform: translateX(3px);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.stars {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--color-star);
}

.stars svg {
  width: 11px;
  height: 11px;
  fill: currentColor;
  stroke: none;
}