.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn:disabled,
.btn[aria-disabled='true'] {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-light);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
  background: var(--color-bg-dark-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  border-color: rgba(var(--color-primary-rgb), 0.35);
  color: var(--color-primary);
}

.btn--outline:hover {
  border-color: rgba(var(--color-primary-rgb), 0.7);
  background: rgba(var(--color-primary-rgb), 0.06);
}

.btn--ghost {
  background: rgba(var(--color-primary-rgb), 0.08);
  color: var(--color-primary);
}

.btn--ghost:hover {
  background: rgba(var(--color-primary-rgb), 0.14);
}

.btn--full {
  width: 100%;
}

.btn--sm {
  min-height: 40px;
  padding: 10px 14px;
  font-size: var(--font-size-sm);
}

.btn--lg {
  min-height: 52px;
  padding: 16px 22px;
  font-size: var(--font-size-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
}

.badge--accent {
  border-color: rgba(var(--color-accent-rgb), 0.55);
  background: rgba(var(--color-accent-rgb), 0.16);
}

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.card__body {
  padding: var(--spacing-md);
}

.card__title {
  font-size: var(--font-size-lg);
  margin-bottom: 10px;
}

.card__text {
  color: var(--color-text-muted);
}

.card--hover {
  transition: var(--transition);
}

.card--hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.stack--md {
  gap: var(--spacing-md);
}

.stack--lg {
  gap: var(--spacing-lg);
}

.section-header {
  display: grid;
  gap: var(--title-gap);
  margin-bottom: var(--spacing-md);
}

.section-header :where(h1, h2, h3, h4, h5, h6, p) {
  margin: 0;
}

.section-kicker {
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-title {
  font-size: var(--h2-size);
  font-weight: 700;
  letter-spacing: var(--heading-letterspacing-tight);
  line-height: 1.15;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: var(--subtitle-size);
  line-height: var(--subtitle-lineheight);
  max-width: 72ch;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

.list {
  display: grid;
  gap: 10px;
}

.list__item {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
}

.list__icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: rgba(var(--color-primary-rgb), 0.16);
  display: inline-block;
  margin-top: 3px;
}

.input,
.textarea,
.select {
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  transition: var(--transition);
}

.textarea {
  min-height: 120px;
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: rgba(var(--color-primary-rgb), 0.55);
  box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.12);
  outline: none;
}

.form {
  display: grid;
  gap: var(--spacing-sm);
}

.form__row {
  display: grid;
  gap: 10px;
}

.form__label {
  font-weight: 600;
  color: var(--color-primary);
}

.form__hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.form__error {
  font-size: var(--font-size-sm);
  color: #B42318;
}

.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9998;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: #25D366;
  box-shadow: var(--shadow-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0b2a17;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: translateY(-2px);
}

.whatsapp-float svg {
  width: 26px;
  height: 26px;
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}