/* ==========================================================================
   Componentes — botões, cabeçalho, rodapé, cartões, formulário, FAQ, etc.
   ========================================================================== */

/* ---- Botões ------------------------------------------------------------ */
.btn {
  --btn-bg: var(--color-navy);
  --btn-fg: var(--color-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  line-height: 1;
  letter-spacing: var(--ls-wide);
  padding: 0.95rem 1.6rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-out),
    background-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
  will-change: transform;
}

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

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

.btn--primary {
  --btn-bg: var(--color-yellow);
  --btn-fg: var(--color-navy);
  box-shadow: 0 8px 22px rgba(244, 196, 48, 0.32);
}

.btn--primary:hover {
  --btn-bg: var(--color-yellow-600);
  box-shadow: 0 12px 30px rgba(244, 196, 48, 0.4);
}

.btn--navy {
  --btn-bg: var(--color-navy);
  --btn-fg: var(--color-white);
}

.btn--navy:hover {
  --btn-bg: var(--color-navy-700);
}

.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--outline:hover {
  --btn-bg: var(--color-navy);
  --btn-fg: var(--color-white);
}

.btn--ghost-light {
  --btn-bg: transparent;
  --btn-fg: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--ghost-light:hover {
  --btn-bg: var(--color-white);
  --btn-fg: var(--color-navy);
  border-color: var(--color-white);
}

.btn--lg {
  padding: 1.1rem 2rem;
  font-size: var(--fs-md);
}

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

.btn .btn__arrow {
  transition: transform var(--dur-base) var(--ease-out);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* Link com seta (padrão dos CTAs "Conheça ... →") */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
  letter-spacing: var(--ls-wide);
  padding-bottom: 3px;
  background: linear-gradient(var(--color-yellow), var(--color-yellow)) left bottom / 0% 3px no-repeat;
  transition: background-size var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

.arrow-link svg {
  transition: transform var(--dur-base) var(--ease-out);
}

.arrow-link:hover {
  background-size: 100% 3px;
}

.arrow-link:hover svg {
  transform: translateX(5px);
}

.section--navy .arrow-link {
  color: var(--color-yellow);
}

/* ---- Cabeçalho / navegação -------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    background-color var(--dur-base) var(--ease-out);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-5);
  block-size: var(--header-h);
}
.brand{
  display: flex;
  justify-content: flex-start;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  block-size: 60px;
  width: auto;
  transition: transform var(--dur-base) var(--ease-out);
}

.brand:hover img {
  transform: scale(1.04);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 0.1rem + 1vw, 1.6rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  position: relative;
  display: inline-block;
  padding: 0.5rem 0.35rem;
  font-weight: var(--fw-medium);
  font-size: var(--fs-base);
  color: var(--color-ink);
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0.35rem;
  right: 0.35rem;
  bottom: 0.1rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--color-yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-navy);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
}

.nav__link.is-active {
  color: var(--color-navy);
  font-weight: var(--fw-semibold);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav__cta {
  padding: 0.7rem 1.25rem;
}

/* Botão hambúrguer */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  inline-size: 46px;
  block-size: 46px;
  padding: 0 11px;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  block-size: 2px;
  background: var(--color-navy);
  border-radius: var(--radius-pill);
  transition: transform var(--dur-base) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu móvel */
@media (max-width: 900px) {
  .nav__toggle {
    display: flex;
  }

  .nav__panel {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    z-index: var(--z-menu);
    display: grid;
    gap: var(--space-5);
    padding: var(--space-6) var(--gutter) var(--space-7);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-line);
    box-shadow: var(--shadow-lg);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--dur-base) var(--ease-out),
      opacity var(--dur-base) var(--ease-out),
      visibility var(--dur-base);
  }

  .nav__panel.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__menu li {
    border-bottom: 1px solid var(--color-line);
  }

  .nav__link {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--fs-lg);
  }

  .nav__link::after {
    display: none;
  }

  .nav__actions--desktop {
    display: none;
  }

  .nav__panel .nav__cta {
    justify-content: center;
    padding: 1rem;
    font-size: var(--fs-md);
  }
}

@media (min-width: 901px) {
  /* Logo à esquerda; menu + CTA agrupados à direita (não centralizados) */
  .nav__panel {
    margin-inline-start: auto;
  }

  .nav__panel .nav__cta {
    display: none;
  }
}

body.menu-open {
  overflow: hidden;
}

/* ---- Cartões ----------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

.card--hover:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-navy-100);
}

/* Cartão sobre fundo escuro (ex.: seção navy "Por que aprender") */
.card--on-dark {
  background: var(--color-navy-deep);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.card--on-dark .card__title,
.card--on-dark .feature__title {
  color: var(--color-white);
}

.card--on-dark .card__text {
  color: var(--text-on-dark-soft);
}

.card--on-dark.card--hover:hover {
  background: #0d2c50;
  border-color: rgba(244, 196, 48, 0.45);
}

.card__title {
  color: var(--color-navy);
}

.card__text {
  color: var(--color-ink-soft);
  line-height: var(--lh-relaxed);
}

/* Ícone em "selo" — fundo azul marinho e ícone amarelo (padrão da marca) */
.icon-badge {
  display: inline-grid;
  place-items: center;
  inline-size: 54px;
  block-size: 54px;
  border-radius: var(--radius-md);
  background: var(--color-navy);
  color: var(--color-yellow);
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

/* O selo reage junto com o cartão ao passar o mouse (micro-interação
   consistente em todas as grades de cartões do site). */
.card--hover:hover .icon-badge {
  transform: translateY(-2px) scale(1.06) rotate(-3deg);
}

.icon-badge svg {
  inline-size: 26px;
  block-size: 26px;
}

/* Alias mantido por compatibilidade — igual ao padrão */
.icon-badge--navy {
  background: var(--color-navy);
  color: var(--color-yellow);
}

/* Variante para uso sobre superfícies escuras: ganha um anel amarelo
   para o selo azul se destacar do fundo navy. */
.icon-badge--on-dark {
  background: var(--color-navy);
  color: var(--color-yellow);
  box-shadow: 0 0 0 1.5px rgba(244, 196, 48, 0.45);
}

/* Grades reutilizáveis */
.grid {
  display: grid;
  gap: var(--space-5);
}

.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

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

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 900px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

/* ---- Selo de estatística / diferencial -------------------------------- */
.feature {
  gap: var(--space-4);
}

.feature__title {
  font-size: var(--fs-lg);
  color: var(--color-navy);
}

/* ---- Depoimentos / feedback ------------------------------------------- */
.testimonial {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  height: 100%;
}

.testimonial__quote {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-ink);
}

.testimonial__quote::before {
  content: "\201C";
  display: block;
  font-family: var(--font-display);
  font-size: 3.5rem;
  line-height: 0.6;
  color: var(--color-yellow);
  margin-bottom: var(--space-3);
}

.testimonial__person {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}

.testimonial__avatar {
  inline-size: 46px;
  block-size: 46px;
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  flex-shrink: 0;
}

.testimonial__name {
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
}

.testimonial__meta {
  font-size: var(--fs-sm);
  color: var(--color-ink-faint);
}

/* ---- Planos / valores -------------------------------------------------- */
.plan {
  gap: var(--space-5);
}

.plan__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.plan__name {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: var(--fs-xl);
  color: var(--color-navy);
  line-height: var(--lh-tight);
}

.plan__freq {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-ink-soft);
  margin-top: 2px;
}

.plan__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-block: 1px solid var(--color-line);
}

.plan__amount {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  font-size: var(--fs-3xl);
  color: var(--color-navy);
  line-height: 1;
}

.plan__amount .plan__currency {
  font-size: 0.5em;
  vertical-align: text-top;
  margin-inline-end: 2px;
  color: var(--color-ink-soft);
}

.plan__unit {
  font-size: var(--fs-sm);
  color: var(--color-ink-soft);
}

.plan__desc {
  color: var(--color-ink-soft);
  line-height: var(--lh-relaxed);
}

.plan .btn {
  margin-top: auto;
}

/* Plano em destaque (melhor custo por aula) */
.plan--featured {
  border-color: var(--color-navy);
  box-shadow: var(--shadow-md);
}

.plan__ribbon {
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 30%;
  transform: translateY(-50%);
  background: var(--color-yellow);
  color: var(--color-navy);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

.plans-note {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-ink-faint);
}

/* ---- FAQ (acordeão) ---------------------------------------------------- */
.faq {
  display: grid;
  gap: var(--space-3);
}

.faq__item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.faq__item.is-open {
  border-color: var(--color-navy-100);
  box-shadow: var(--shadow-sm);
}

.faq__item:not(.is-open):hover {
  border-color: var(--color-navy-100);
  box-shadow: var(--shadow-xs);
}

.faq__trigger {
  inline-size: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-lg);
  color: var(--color-navy);
}

.faq__icon {
  position: relative;
  inline-size: 22px;
  block-size: 22px;
  flex-shrink: 0;
}

.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: var(--color-yellow-600);
  border-radius: var(--radius-pill);
  transition: transform var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out);
}

.faq__icon::before {
  inset: 10px 0;
  height: 2.5px;
}

.faq__icon::after {
  inset: 0 10px;
  width: 2.5px;
}

.faq__item.is-open .faq__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.faq__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-base) var(--ease-out);
}

.faq__item.is-open .faq__panel {
  grid-template-rows: 1fr;
}

.faq__panel > div {
  overflow: hidden;
}

.faq__answer {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-ink-soft);
  line-height: var(--lh-relaxed);
}

/* ---- Rodapé ------------------------------------------------------------ */
.site-footer {
  background: var(--color-navy-deep);
  color: var(--text-on-dark-soft);
  padding-block: var(--space-8) var(--space-6);
}

.footer__top {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr;
  gap: var(--space-7);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__brand img {
  block-size: 110px;
  width: auto;
  margin-bottom: var(--space-4);
}

.footer__tagline {
  color: var(--text-on-dark-soft);
  line-height: var(--lh-relaxed);
  max-width: 34ch;
}

.footer__col h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.footer__links a {
  color: var(--text-on-dark-soft);
  transition: color var(--dur-fast) var(--ease-out), padding-left var(--dur-fast) var(--ease-out);
}

.footer__links a:hover {
  color: var(--color-yellow);
  padding-left: 4px;
}

.footer__contact {
  display: grid;
  gap: var(--space-3);
}

.footer__contact a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-on-dark-soft);
  transition: color var(--dur-fast) var(--ease-out);
}

.footer__contact a:hover {
  color: var(--color-yellow);
}

.footer__contact svg {
  inline-size: 18px;
  block-size: 18px;
  color: var(--color-yellow);
  flex-shrink: 0;
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer__socials a {
  display: grid;
  place-items: center;
  inline-size: 40px;
  block-size: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-white);
  transition: background-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

.footer__socials a:hover {
  background: var(--color-yellow);
  border-color: var(--color-yellow);
  color: var(--color-navy);
  transform: translateY(-3px);
}

.footer__socials svg {
  inline-size: 19px;
  block-size: 19px;
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-5);
  font-size: var(--fs-sm);
  color: var(--color-ink-faint);
}

.footer__bottom a:hover {
  color: var(--color-yellow);
}

@media (max-width: 860px) {
  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .footer__top {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---- Formulário -------------------------------------------------------- */
.field {
  display: grid;
  gap: var(--space-2);
}

.field__label {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  color: var(--color-navy);
}

.field__label .req {
  color: #d0342c;
}

.field__hint {
  font-size: var(--fs-xs);
  color: var(--color-ink-faint);
}

.input,
.select,
.textarea {
  inline-size: 100%;
  padding: 0.85rem 1rem;
  background: var(--color-white);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  transition: border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-fast) var(--ease-out);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-ink-faint);
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: var(--color-navy-100);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: var(--shadow-focus);
}

.textarea {
  resize: vertical;
  min-block-size: 120px;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23002365' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 20px;
  padding-right: 2.6rem;
  cursor: pointer;
}

.field--invalid .input,
.field--invalid .select,
.field--invalid .textarea {
  border-color: #d0342c;
}

.field__error {
  font-size: var(--fs-xs);
  color: #d0342c;
  min-block-size: 1em;
  display: none;
}

.field--invalid .field__error {
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-grid .field--full {
  grid-column: 1 / -1;
}

@media (max-width: 620px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* Mensagem de sucesso */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-7) var(--space-5);
}

.form-success.is-visible {
  display: flex;
  animation: fade-up var(--dur-slow) var(--ease-out) both;
}

.form-success__icon {
  display: grid;
  place-items: center;
  inline-size: 72px;
  block-size: 72px;
  border-radius: var(--radius-pill);
  background: var(--color-yellow-100);
  color: var(--color-navy);
}

.is-form-sent .contact-form {
  display: none;
}

/* ---- Migalhas / chips -------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.9rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-navy);
  background: var(--color-navy-050);
  border-radius: var(--radius-pill);
}

.chip--yellow {
  background: var(--color-yellow);
}

/* ---- Botão flutuante de WhatsApp -------------------------------------- */
.wa-fab {
  position: fixed;
  inset-inline-end: clamp(1rem, 0.4rem + 2vw, 2rem);
  inset-block-end: clamp(1rem, 0.4rem + 2vw, 2rem);
  z-index: var(--z-top);
  display: inline-flex;
  align-items: center;
  block-size: 60px;
  border-radius: var(--radius-pill);
  background: #25d366;
  color: #fff;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.42);
  transition: transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out),
    visibility var(--dur-base);
}

.wa-fab__icon {
  display: grid;
  place-items: center;
  inline-size: 60px;
  block-size: 60px;
  flex: none;
}

.wa-fab__icon svg {
  inline-size: 32px;
  block-size: 32px;
}

.wa-fab__label {
  max-inline-size: 0;
  overflow: hidden;
  white-space: nowrap;
  opacity: 0;
  font-weight: var(--fw-semibold);
  transition: max-inline-size var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out),
    padding var(--dur-base) var(--ease-out);
}

.wa-fab:hover,
.wa-fab:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(37, 211, 102, 0.5);
}

.wa-fab:hover .wa-fab__label,
.wa-fab:focus-visible .wa-fab__label {
  max-inline-size: 15rem;
  opacity: 1;
  padding-inline-end: 1.35rem;
}

/* Pulso sutil para chamar atenção sem distrair */
.wa-fab::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: #25d366;
  z-index: -1;
  animation: wa-pulse 2.8s var(--ease-out) infinite;
}

@keyframes wa-pulse {
  0% {
    transform: scale(1);
    opacity: 0.55;
  }
  70%,
  100% {
    transform: scale(1.55);
    opacity: 0;
  }
}

/* Esconde o botão quando o menu móvel está aberto */
body.menu-open .wa-fab {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .wa-fab::before {
    animation: none;
  }
}