/* ==========================================================================
   Componentes reutilizáveis: botões, header, menu, rodapé, FAQ, flutuante.
   ========================================================================== */

/* Botões ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  min-height: 3.25rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--r-pill);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: 0.005em;
  text-align: center;
  text-wrap: balance;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
  touch-action: manipulation;
}

.btn .icon {
  width: 1.25rem;
  height: 1.25rem;
}

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

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

.btn--primary:active {
  transform: translateY(0) scale(0.985);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.theme-dark .btn--ghost {
  color: var(--beige-200);
}

.theme-dark .btn--ghost:hover {
  border-color: var(--beige-200);
  color: var(--white);
}

.btn--link {
  min-height: 2.75rem;
  padding: 0.25rem 0;
  border-radius: 0;
  gap: var(--sp-2);
  color: var(--accent-strong);
  font-weight: 500;
  justify-content: flex-start;
  text-align: left;
  text-wrap: pretty;
}

.btn--link .icon {
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn--link:hover .icon {
  transform: translateX(3px);
}

.btn--link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.45rem;
  height: 1px;
  background: currentColor;
  opacity: 0.35;
  transition: opacity var(--dur-fast);
}

.btn--link {
  position: relative;
}

.btn--link:hover::after {
  opacity: 1;
}

.cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-3);
}

.cta__note {
  font-size: var(--fs-small);
  color: var(--text-note);
  max-width: 34ch;
  text-wrap: pretty;
}

.cta--center {
  align-items: center;
  text-align: center;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4) var(--sp-6);
}

/* Header ------------------------------------------------------------------ */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition:
    background-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-color: var(--glass-line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  min-height: 2.75rem;
}

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
}

.brand picture {
  flex: none;
  line-height: 0;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--brown-700);
}

.brand__role {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--olive-600);
  margin-top: 0.2rem;
}

.nav {
  display: none;
}

.nav__list {
  display: flex;
  gap: var(--sp-5);
}

.nav__link {
  position: relative;
  display: block;
  padding: var(--sp-2) 0;
  font-size: 0.95rem;
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink-900);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1.5px;
  background: var(--olive-500);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}

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

.header__cta {
  display: none;
}

.header .btn--primary {
  min-height: 2.75rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  white-space: nowrap;
  text-wrap: nowrap;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--r-pill);
  color: var(--brown-700);
  border: 1px solid var(--glass-line);
  background: var(--glass-bg);
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.menu-toggle:hover {
  border-color: var(--beige-400);
}

.menu-toggle[aria-expanded="true"] {
  background: var(--brown-700);
  border-color: var(--brown-700);
  color: var(--cream-50);
}

.menu-toggle .icon--close {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon--open {
  display: none;
}

.menu-toggle[aria-expanded="true"] .icon--close {
  display: block;
}

/* Entre 64rem e 75rem cabem a marca e a navegação, mas não o botão do cabeçalho.
   Nessa faixa o WhatsApp continua ao alcance pelo botão flutuante. */
@media (min-width: 64rem) {
  .nav {
    display: block;
  }

  .menu-toggle {
    display: none;
  }
}

@media (min-width: 75rem) {
  .header__cta {
    display: block;
  }
}

/* Menu mobile ------------------------------------------------------------- */

.menu {
  position: fixed;
  inset: 0;
  height: 100dvh;
  z-index: var(--z-menu);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: calc(var(--header-h) + var(--sp-6)) var(--gutter) var(--sp-8);
  background: var(--cream-50);
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    opacity var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out),
    visibility 0s linear var(--dur);
}

.menu.is-open {
  visibility: visible;
  opacity: 1;
  transform: none;
  transition-delay: 0s;
}

.menu__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink-900);
}

.menu__link .icon {
  color: var(--olive-500);
}

.menu__footer {
  margin-top: auto;
  padding-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-4);
  flex: none;
}

.menu__meta {
  font-size: var(--fs-small);
  color: var(--text-muted);
}

/* Em telas baixas (Android com barra do navegador) o menu inteiro cabe sem
   rolar se os itens ficarem mais compactos. */
@media (max-height: 43.75rem) {
  .menu {
    padding-top: calc(var(--header-h) + var(--sp-4));
    padding-bottom: var(--sp-6);
  }

  .menu__link {
    padding: var(--sp-4) 0;
    font-size: 1.4rem;
  }

  .menu__footer {
    padding-top: var(--sp-5);
  }
}

body.menu-open {
  overflow: hidden;
}

/* Com o menu aberto o cabeçalho fica por cima dele: fundo sólido, sem vidro,
   para a logo e o botão de fechar não misturarem com a lista atrás. */
body.menu-open .header {
  background: var(--cream-50);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-color: var(--line);
}

@media (min-width: 64rem) {
  .menu {
    display: none;
  }
}

/* FAQ --------------------------------------------------------------------- */

.faq {
  border-top: 1px solid var(--line);
}

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

.faq__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  padding: var(--sp-5) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1rem + 0.6vw, 1.4rem);
  font-weight: 550;
  line-height: 1.35;
  color: var(--ink-900);
  transition: color var(--dur-fast);
}

.faq__summary::-webkit-details-marker {
  display: none;
}

.faq__summary:hover {
  color: var(--brown-700);
}

.faq__summary .icon {
  color: var(--olive-500);
  transition: transform var(--dur) var(--ease-out);
}

.faq__item[open] .faq__summary .icon {
  transform: rotate(180deg);
}

.faq__body {
  padding-bottom: var(--sp-6);
  max-width: var(--measure);
  color: var(--ink-900);
}

.faq__body p + p {
  margin-top: var(--sp-3);
}

/* Rodapé ------------------------------------------------------------------ */

.footer {
  background: var(--brown-950);
  color: var(--beige-200);
  padding-block: var(--sp-10) var(--sp-6);
}

/* O chat flutuante fica fixo no canto: o rodapé reserva espaço para ele
   não cobrir a última linha. */
.footer {
  padding-bottom: var(--sp-11);
}

.footer a:hover {
  color: var(--white);
}

.footer__grid {
  display: grid;
  gap: var(--sp-8);
}

.footer__grid > * {
  min-width: 0;
}

/* Em tablet as quatro colunas não cabem: o e-mail sozinho pede 250px. */
@media (min-width: 48rem) {
  .footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-8) var(--sp-7);
  }
}

@media (min-width: 64rem) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer__brand img {
  width: min(100%, 15rem);
  height: auto;
}

.footer__brand p {
  margin-top: var(--sp-4);
  color: rgba(241, 230, 211, 0.78);
  max-width: 32ch;
  font-size: var(--fs-small);
}

.footer__title {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  font-weight: 500;
  color: var(--olive-300);
  margin-bottom: var(--sp-4);
}

.footer__list li + li {
  margin-top: var(--sp-3);
}

.footer__list a,
.footer__list span {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  min-height: 2.75rem;
  padding-block: 0.4rem;
  overflow-wrap: anywhere;
  color: rgba(241, 230, 211, 0.88);
  transition: color var(--dur-fast);
}

.footer__list li + li {
  margin-top: 0;
}

.footer__list .icon {
  flex: none;
  margin-top: 0.15em;
  width: 1.125rem;
  height: 1.125rem;
  color: var(--olive-300);
}

.footer__bottom {
  margin-top: var(--sp-9);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(241, 230, 211, 0.14);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-6);
  font-size: 0.85rem;
  color: rgba(241, 230, 211, 0.6);
}

.footer__bottom a {
  color: rgba(241, 230, 211, 0.78);
}