/* ==========================================================================
   Odera Contábil — Seções da home
   Ordem: header · hero · marquee · expertise · pilares · serviços · sobre ·
          sócias · cases · orçamento · contato · depoimentos · FAQ · blog · footer
   ========================================================================== */

/* ==========================================================================
   HEADER — barra flutuante translúcida
   ========================================================================== */
.site-header {
  position: fixed;
  inset: var(--sp-4) 0 auto;
  z-index: 100;
  pointer-events: none;
}

.site-header__bar {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  padding: 0.625rem 0.625rem 0.625rem 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-inverse);
  pointer-events: auto;
  transition: box-shadow var(--dur) var(--ease);
}

/* O fundo vive num pseudo-elemento de propósito: `backdrop-filter` aplicado na
   própria barra criaria um containing block, e o menu mobile (position: fixed)
   ficaria preso dentro dela em vez de cobrir a tela. */
.site-header__bar::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  /* Navy sólido da marca desde o topo. Translúcido, a barra "lavava" sobre o
     hero claro e aparecia acinzentada, escurecendo só depois da rolagem. */
  background: var(--navy-900);
}

/* Ao rolar, a barra só ganha um pouco mais de profundidade — a cor não muda. */
.site-header.is-stuck .site-header__bar {
  box-shadow: 0 16px 44px rgba(5, 20, 37, 0.42);
}

.site-header__logo { flex: none; display: block; }
.site-header__logo img { width: auto; height: 30px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  margin-inline-start: auto;
}

.site-nav__link {
  position: relative;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--periwinkle-500);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.site-nav__link:hover { color: var(--white); }
.site-nav__link:hover::after { transform: scaleX(1); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex: none;
}

.site-header .btn { padding: 0.75rem 1.375rem; font-size: 0.9375rem; }

.header-login {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding-inline: var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--white);
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.header-login:hover { color: var(--periwinkle-500); }

/* ---------- Hambúrguer ---------- */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  margin-inline-start: auto;
  padding: 0;
  background: none;
  border: none;
  color: var(--white);
}

.nav-toggle__box {
  display: block;
  position: relative;
  width: 22px;
  height: 14px;
  margin-inline: auto;
}

.nav-toggle__box span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle__box span:nth-child(1) { top: 0; }
.nav-toggle__box span:nth-child(2) { top: 6px; }
.nav-toggle__box span:nth-child(3) { top: 12px; }

.nav-toggle[aria-expanded='true'] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded='true'] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1080px) {
  .site-header__bar { padding: 0.625rem 0.625rem 0.625rem 1.25rem; }
  .nav-toggle { display: block; }
  .site-nav,
  .site-header__actions { display: none; }

  .site-nav.is-open {
    position: fixed;
    inset: 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: var(--sp-2);
    margin: 0;
    padding: var(--sp-10) var(--gutter) 14rem;
    background: var(--navy-900);
    overflow-y: auto;
  }

  .site-nav.is-open .site-nav__link {
    padding-block: var(--sp-4);
    border-bottom: 1px solid var(--border-inverse);
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 700;
  }

  .site-nav.is-open .site-nav__link::after { display: none; }

  .site-header__actions.is-open {
    position: fixed;
    inset: auto 0 0;
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    padding: var(--gutter);
    padding-bottom: calc(var(--gutter) + env(safe-area-inset-bottom));
    background: var(--navy-900);
    border-top: 1px solid var(--border-inverse);
  }

  .site-header__actions.is-open .btn,
  .site-header__actions.is-open .header-login {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   HERO — claro, foto do escritório
   ========================================================================== */
.hero {
  position: relative;
  display: grid;
  align-items: center;
  padding-block: calc(var(--sp-11) + 3rem) var(--sp-9);
  background:
    radial-gradient(ellipse 60% 70% at 8% 14%, rgba(174, 186, 255, 0.42), transparent 62%),
    radial-gradient(ellipse 50% 60% at 96% 88%, rgba(168, 220, 216, 0.28), transparent 60%),
    var(--paper);
  overflow: hidden;
  isolation: isolate;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: var(--sp-7);
  }
}

.hero__eyebrow {
  margin-bottom: var(--sp-5);
  max-width: 40ch;
  color: var(--indigo-600);
}

.hero__title {
  max-width: 15ch;
  margin-bottom: var(--sp-6);
  color: var(--navy-900);
}

.hero__title em { font-style: normal; font-weight: 800; }

/* No mobile os botões ficam soltos e ocupam a largura toda;
   a partir de 520px viram o par agrupado na pílula. */
.hero__actions {
  display: grid;
  gap: var(--sp-3);
}

.hero__actions .btn { width: 100%; }

@media (min-width: 520px) {
  .hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-2);
    width: fit-content;
    padding: 0.5rem;
    border-radius: var(--r-pill);
    background: rgba(35, 52, 82, 0.07);
  }

  .hero__actions .btn { width: auto; }
}

.hero__media {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 30%;
}

.hero__badge {
  position: absolute;
  left: var(--sp-5);
  bottom: var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.hero__badge strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--indigo-600);
}

.hero__badge span {
  font-size: 0.8125rem;
  line-height: 1.25;
  max-width: 12ch;
  color: var(--text-muted);
}

/* ==========================================================================
   MARQUEE — faixa navy com a tagline
   ========================================================================== */
.marquee {
  padding-block: var(--sp-5);
  background: var(--navy-900);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 38s linear infinite;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-5);
  padding-inline: var(--sp-5);
  font-size: var(--fs-eyebrow);
  font-weight: 400;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--periwinkle-300);
}

.marquee__item::after {
  content: '';
  width: 0.7em;
  height: 0.7em;
  flex: none;
  background: var(--periwinkle-500);
  clip-path: polygon(50% 0%, 60% 40%, 100% 50%, 60% 60%, 50% 100%, 40% 60%, 0% 50%, 40% 40%);
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
}

/* ==========================================================================
   BLOCO DE TÍTULO reutilizável
   ========================================================================== */
.section-head {
  display: grid;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  max-width: 46rem;
}

.section-head--center {
  justify-items: center;
  text-align: center;
  margin-inline: auto;
}

.section-head--split {
  max-width: none;
  grid-template-columns: 1fr;
  align-items: end;
}

@media (min-width: 860px) {
  .section-head--split {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--sp-6);
  }
}

/* ==========================================================================
   EXPERTISE — texto + 3 diferenciais
   ========================================================================== */
.expertise__intro { max-width: 44rem; margin-bottom: var(--sp-9); }
.expertise__intro p { margin-top: var(--sp-4); font-size: var(--fs-lg); color: var(--text-muted); }

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: var(--sp-5);
}

.pillar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-6);
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--border);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.pillar__icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--r-pill);
  background: var(--periwinkle-200);
  color: var(--indigo-600);
}

.pillar h3 { font-size: var(--fs-h4); }
.pillar p { color: var(--text-muted); flex: 1; }

.pillar .btn--link {
  align-self: flex-start;
  margin-top: var(--sp-2);
  color: var(--indigo-600);
  font-weight: 700;
}

/* ==========================================================================
   PILARES — 4 diferenciais sobre navy
   ========================================================================== */
.perks__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: var(--sp-5);
  margin-block: var(--sp-8) var(--sp-7);
}

.perk {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding-block: var(--sp-4);
  border-top: 1px solid var(--border-inverse);
}

.perk__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--r-pill);
  background: rgba(174, 186, 255, 0.16);
  color: var(--periwinkle-500);
}

.perk h3 {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 700;
  letter-spacing: 0;
  color: var(--white);
}

/* ==========================================================================
   SERVIÇOS
   ========================================================================== */
/* São 5 cards: colunas explícitas para nenhum deles sobrar sozinho na linha.
   1 col → 3+2 → 5 em linha. */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

@media (min-width: 880px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1180px) {
  .services__grid { grid-template-columns: repeat(5, 1fr); }
  .service { padding: var(--sp-6) var(--sp-4); }
}

.service {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-7) var(--sp-5);
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--border);
  text-align: center;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.service:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.service__icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--r-pill);
  background: var(--periwinkle-200);
  color: var(--indigo-600);
}

.service h3 { font-size: var(--fs-h4); }
.service p { font-size: var(--fs-sm); color: var(--text-muted); }

/* ==========================================================================
   SOBRE NÓS — navy com foto
   ========================================================================== */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  align-items: center;
}

@media (min-width: 900px) {
  .about__grid { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr); gap: var(--sp-9); }
}

.about__media {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-inverse);
}

.about__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 20%;
}

.about__body { display: grid; gap: var(--sp-4); }
.about__body p { color: var(--text-inverse-muted); }
.about__body strong { color: var(--white); font-weight: 700; }
.about__body .btn { justify-self: start; margin-top: var(--sp-2); }

/* ==========================================================================
   SÓCIAS — abas
   ========================================================================== */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-7);
}

.tabs__btn {
  padding: 0.75rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--white);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.tabs__btn:hover { border-color: var(--periwinkle-500); color: var(--navy-500); }

.tabs__btn[aria-selected='true'] {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

.partner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-7);
  align-items: start;
}

@media (min-width: 860px) {
  .partner { grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr); gap: var(--sp-8); }
}

.partner__media {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.partner__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 18%;
}

.partner__body { display: grid; gap: var(--sp-4); }
.partner__role {
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--indigo-600);
}
.partner__body h3 { font-size: var(--fs-h2); }
.partner__body p { color: var(--text-muted); }

/* ==========================================================================
   CASES
   ========================================================================== */
.case {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-7);
  align-items: center;
  padding: var(--sp-7);
  border-radius: var(--r-xl);
  background: var(--white);
  border: 1px solid var(--border);
}

@media (min-width: 900px) {
  .case { grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); gap: var(--sp-8); padding: var(--sp-8); }
}

.case__body { display: grid; gap: var(--sp-4); }
.case__body p { color: var(--text-muted); }

.case__media { border-radius: var(--r-lg); overflow: hidden; }

/* Retrato vertical: 4/5 evita cortar a cena que a foto conta. */
.case__media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 35%;
}

.case__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr));
  gap: var(--sp-4);
  margin-top: var(--sp-3);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
}

.case__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--indigo-600);
}

.case__stat span { font-size: var(--fs-sm); color: var(--text-muted); }

/* ==========================================================================
   ORÇAMENTO — formulário sobre navy
   ========================================================================== */
.quote__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  align-items: start;
}

@media (min-width: 960px) {
  .quote__grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr); gap: var(--sp-9); }
}

.form-card {
  padding: var(--sp-6);
  border-radius: var(--r-xl);
  background: var(--white);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}

@media (min-width: 640px) { .form-card { padding: var(--sp-7); } }

.form-card .tabs__list { justify-content: stretch; margin-bottom: var(--sp-6); }
.form-card .tabs__btn { flex: 1; text-align: center; }

.field { display: grid; gap: var(--sp-2); margin-bottom: var(--sp-5); }

.field__label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--navy-500);
}

.field input,
.field select,
.field textarea {
  padding: 0.8125rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--paper);
  font-size: var(--fs-base);
  color: var(--text);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--periwinkle-500);
  background: var(--white);
}

.field input::placeholder { color: var(--ink-400); }

.field__error {
  display: none;
  font-size: var(--fs-sm);
  color: var(--danger);
}

.field.has-error input,
.field.has-error select { border-color: var(--danger); }
.field.has-error .field__error { display: block; }

/* grupo de opções em pílula */
.choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.choice {
  position: relative;
  display: inline-flex;
}

.choice input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.choice span {
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.choice input:checked + span {
  background: var(--periwinkle-200);
  border-color: var(--periwinkle-500);
  color: var(--navy-900);
  font-weight: 700;
}

.choice input:focus-visible + span { outline: 3px solid var(--periwinkle-500); outline-offset: 3px; }

.consent {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  margin-bottom: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.consent input { flex: none; width: 1.125rem; height: 1.125rem; margin-top: 0.2rem; accent-color: var(--indigo-600); }
.consent a { color: var(--indigo-600); text-decoration: underline; }

.form-card__actions { display: grid; gap: var(--sp-3); }
.form-card__actions .btn { width: 100%; }

.form-status {
  margin-top: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  display: none;
}

.form-status.is-visible { display: block; }
.form-status--ok { background: #E4F5EC; color: #1C6B47; }
.form-status--err { background: #FBE9E9; color: #9B2C2C; }

/* ==========================================================================
   CONTATO
   ========================================================================== */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
  align-items: center;
}

@media (min-width: 900px) {
  .contact__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--sp-9); }
}

.contact__media { border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.contact__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center 25%; }

.contact__list { display: grid; gap: var(--sp-5); margin-top: var(--sp-6); }

.contact__item { display: flex; gap: var(--sp-4); align-items: flex-start; }

.contact__icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-pill);
  background: var(--periwinkle-200);
  color: var(--indigo-600);
}

.contact__item dt {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--navy-500);
  margin-bottom: 0.15rem;
}

.contact__item dd { margin: 0; color: var(--text-muted); }
.contact__item a:hover { color: var(--indigo-600); text-decoration: underline; }

.socials { display: flex; gap: var(--sp-3); margin-top: var(--sp-6); }

.socials a {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border);
  color: var(--navy-500);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
}

.socials a:hover {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
  transform: translateY(-2px);
}

.section--dark .socials a { border-color: var(--border-inverse); color: var(--white); }
.section--dark .socials a:hover { background: var(--periwinkle-500); border-color: var(--periwinkle-500); color: var(--navy-900); }

/* ==========================================================================
   DEPOIMENTOS — carrossel horizontal
   ========================================================================== */
.testimonials__viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  padding-bottom: var(--sp-4);
}

.testimonials__viewport::-webkit-scrollbar { display: none; }

.testimonials__track {
  display: flex;
  gap: var(--sp-5);
  width: max-content;
}

.testimonial {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  width: min(22rem, 78vw);
  padding: var(--sp-6);
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--border);
}

.testimonial__stars { display: flex; gap: 2px; color: #F2B705; }

.testimonial p { flex: 1; color: var(--text-muted); }

.testimonial__name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy-500);
}

.carousel-nav { display: flex; gap: var(--sp-3); }

.carousel-btn {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--white);
  color: var(--navy-500);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.carousel-btn:hover:not(:disabled) {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

.carousel-btn:disabled { opacity: 0.35; cursor: default; }

/* ==========================================================================
   FAQ — accordion
   ========================================================================== */
.faq { max-width: var(--container-narrow); margin-inline: auto; }

.faq__item { border-bottom: 1px solid var(--border); }

.faq__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-5);
  width: 100%;
  padding: var(--sp-5) 0;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--navy-500);
  transition: color var(--dur) var(--ease);
}

.faq__trigger:hover { color: var(--indigo-600); }

.faq__sign {
  flex: none;
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.25rem;
}

.faq__sign::before,
.faq__sign::after {
  content: '';
  position: absolute;
  inset: 50% 0 auto;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur) var(--ease);
}

.faq__sign::after { transform: rotate(90deg); }
.faq__trigger[aria-expanded='true'] .faq__sign::after { transform: rotate(0deg); }

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

.faq__panel[data-open='true'] { grid-template-rows: 1fr; }

.faq__panel > div { overflow: hidden; }

.faq__panel p {
  padding-bottom: var(--sp-5);
  max-width: 62ch;
  color: var(--text-muted);
}

/* ==========================================================================
   BLOG
   ========================================================================== */
.posts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: var(--sp-5);
}

.post {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.post:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.post__media { background: var(--periwinkle-200); }
.post__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

.post__body { display: flex; flex-direction: column; gap: var(--sp-3); padding: var(--sp-5); flex: 1; }

.post__meta {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.post h3 { font-size: var(--fs-h4); }

.post__link {
  margin-top: auto;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--indigo-600);
}

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

.posts__empty {
  padding: var(--sp-8);
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
  text-align: center;
  color: var(--text-muted);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--navy-900); color: var(--text-inverse); }

.site-footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-7);
  padding-block: var(--sp-9);
}

@media (min-width: 860px) {
  .site-footer__top { grid-template-columns: minmax(0, 1fr) auto; gap: var(--sp-9); align-items: start; }
}

.site-footer__logo img { width: auto; height: 34px; }
.site-footer__tagline { margin-top: var(--sp-4); max-width: 34ch; color: var(--text-inverse-muted); }

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: var(--sp-3) var(--sp-7);
}

.site-footer__nav a {
  font-size: var(--fs-sm);
  color: var(--text-inverse-muted);
  transition: color var(--dur) var(--ease);
}

.site-footer__nav a:hover { color: var(--periwinkle-500); }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  justify-content: space-between;
  align-items: center;
  padding-block: var(--sp-5);
  border-top: 1px solid var(--border-inverse);
  font-size: var(--fs-sm);
  color: var(--text-inverse-muted);
}

/* ==========================================================================
   BOTÃO FLUTUANTE DE WHATSAPP
   ========================================================================== */
.wa-float {
  position: fixed;
  right: clamp(1rem, 0.6rem + 1.4vw, 1.75rem);
  bottom: clamp(1rem, 0.6rem + 1.4vw, 1.75rem);
  z-index: 95;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.875rem 1.25rem;
  border-radius: var(--r-pill);
  background: #25D366;
  color: #06301A;
  font-size: var(--fs-sm);
  font-weight: 700;
  box-shadow: 0 10px 28px rgba(5, 20, 37, 0.28);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.wa-float:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(5, 20, 37, 0.34); }

.wa-float span { display: none; }

@media (min-width: 640px) { .wa-float span { display: inline; } }