/* ==========================================================================
   KRYON — components.css
   Componentes reutilizados por todas as paginas: header, navegacao, botoes,
   cards, breadcrumbs, formularios, rodape, lightbox e botao flutuante.
   Carregar depois de base.css.
   ========================================================================== */

/* ==========================================================================
   1. BOTOES
   ========================================================================== */
.btn {
  align-items: center;
  border: 2px solid transparent;
  border-radius: var(--r-btn);
  cursor: pointer;
  display: inline-flex;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  gap: 0.7rem;
  justify-content: center;
  letter-spacing: 0.01em;
  line-height: 1;
  padding: 1.05rem 1.85rem;
  position: relative;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--t) var(--ease),
    border-color var(--t) var(--ease), color var(--t) var(--ease),
    transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  white-space: nowrap;
}

.btn svg {
  flex: none;
  height: 1.05em;
  width: 1.05em;
}

/* Deslocamento sutil da seta no hover — reforca a ideia de avancar */
.btn .btn-arrow {
  transition: transform var(--t) var(--ease);
}

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

/* --- Primario: solido ---------------------------------------------------- */
.btn--primary {
  background: var(--c-cta);
  box-shadow: 0 8px 20px rgba(60, 108, 196, 0.28);
  color: var(--c-white);
}

.btn--primary:hover {
  background: var(--c-cta-hover);
  box-shadow: 0 14px 30px rgba(60, 108, 196, 0.34);
  color: var(--c-white);
  transform: translateY(-2px);
}

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

/* --- Secundario: outline ------------------------------------------------- */
.btn--outline {
  background: transparent;
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.btn--outline:hover {
  background: var(--c-primary);
  color: var(--c-white);
  transform: translateY(-2px);
}

/* Outline sobre fundo escuro */
.btn--outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--c-white);
}

.btn--outline-light:hover {
  background: var(--c-white);
  border-color: var(--c-white);
  color: var(--c-primary);
  transform: translateY(-2px);
}

/* --- Fantasma: apenas texto + seta --------------------------------------- */
.btn--ghost {
  background: none;
  color: var(--c-link);
  padding: 0.5rem 0;
}

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

.btn--sm {
  font-size: 0.875rem;
  padding: 0.8rem 1.35rem;
}

.btn--lg {
  font-size: 1rem;
  padding: 1.2rem 2.3rem;
}

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

/* ==========================================================================
   2. HEADER + NAVEGACAO
   ========================================================================== */
.site-header {
  background: transparent;
  left: 0;
  position: fixed;
  right: 0;
  top: 0;
  transition: background-color var(--t) var(--ease),
    box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
  z-index: var(--z-header);
}

/* Paginas internas ja nascem com o header solido (nao ha hero escuro atras) */
.site-header--solid,
.site-header.is-stuck {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  box-shadow: var(--shadow-header);
}

/* Esconde o header ao rolar para baixo, devolve ao rolar para cima */
.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: 1.5rem;
  height: var(--header-h);
  justify-content: space-between;
}

.site-header__logo {
  align-items: center;
  display: inline-flex;
  flex: none;
  text-decoration: none;
}

.site-header__logo img {
  height: auto;
  transition: opacity var(--t) var(--ease);
  width: clamp(140px, 12vw, 178px);
}

/* Troca do logo claro/escuro conforme o header fique solido */
.site-header__logo .logo--light {
  display: block;
}

.site-header__logo .logo--dark {
  display: none;
}

.site-header--solid .site-header__logo .logo--light,
.site-header.is-stuck .site-header__logo .logo--light {
  display: none;
}

.site-header--solid .site-header__logo .logo--dark,
.site-header.is-stuck .site-header__logo .logo--dark {
  display: block;
}

/* --- Navegacao principal ------------------------------------------------- */
.nav {
  align-items: center;
  display: flex;
  gap: clamp(0.35rem, 1.4vw, 1.35rem);
}

.nav__link {
  border-radius: var(--r-sm);
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.6rem 0.55rem;
  position: relative;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
  white-space: nowrap;
}

.site-header--solid .nav__link,
.site-header.is-stuck .nav__link {
  color: var(--c-primary);
}

/* Sublinhado diagonal que cresce a partir da esquerda */
.nav__link::after {
  background: var(--c-blue);
  bottom: 0.15rem;
  content: '';
  height: 3px;
  left: 0.55rem;
  position: absolute;
  right: 0.55rem;
  transform: scaleX(0) skewX(-24deg);
  transform-origin: left center;
  transition: transform var(--t) var(--ease);
}

.nav__link:hover::after,
.nav__link:focus-visible::after,
.nav__link[aria-current='page']::after {
  transform: scaleX(1) skewX(-24deg);
}

.nav__link[aria-current='page'] {
  color: var(--c-white);
}

.site-header--solid .nav__link[aria-current='page'],
.site-header.is-stuck .nav__link[aria-current='page'] {
  color: var(--c-primary);
}

.site-header__cta {
  flex: none;
}

/* --- Botao hamburguer ---------------------------------------------------- */
.nav-toggle {
  align-items: center;
  border-radius: var(--r-sm);
  display: none;
  flex: none;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  background: var(--c-white);
  border-radius: 2px;
  display: block;
  height: 2px;
  transition: transform var(--t) var(--ease), opacity var(--t-fast) var(--ease),
    background-color var(--t) var(--ease);
  width: 24px;
}

.site-header--solid .nav-toggle__bars,
.site-header--solid .nav-toggle__bars::before,
.site-header--solid .nav-toggle__bars::after,
.site-header.is-stuck .nav-toggle__bars,
.site-header.is-stuck .nav-toggle__bars::before,
.site-header.is-stuck .nav-toggle__bars::after {
  background: var(--c-primary);
}

.nav-toggle__bars {
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: '';
  position: absolute;
}

.nav-toggle__bars::before {
  top: -7px;
}

.nav-toggle__bars::after {
  top: 7px;
}

/* Estado aberto: vira um "X" */
.nav-toggle[aria-expanded='true'] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bars::before {
  background: var(--c-primary);
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__bars::after {
  background: var(--c-primary);
  top: 0;
  transform: rotate(-45deg);
}

/* --- Menu mobile --------------------------------------------------------- */
@media (max-width: 1080px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-header__cta {
    display: none;
  }

  .nav {
    background: var(--c-white);
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    gap: 0;
    height: 100dvh;
    inset: 0 0 0 auto;
    overflow-y: auto;
    padding: calc(var(--header-h) + 1.5rem) var(--pad-x) 2.5rem;
    position: fixed;
    transform: translateX(100%);
    /* Mesmo padrão do lightbox: visibilidade imediata ao abrir (para o foco
       entrar no menu) e adiada ao fechar (para a saída ser vista). */
    transition: transform var(--t) var(--ease), visibility 0s linear var(--t);
    visibility: hidden;
    width: min(400px, 88vw);
    align-items: stretch;
  }

  .nav.is-open {
    transform: translateX(0);
    transition: transform var(--t) var(--ease), visibility 0s linear 0s;
    visibility: visible;
  }

  .nav__link {
    border-bottom: 1px solid var(--c-line);
    color: var(--c-primary);
    font-size: 1.125rem;
    padding: 1.15rem 0;
  }

  .nav__link::after {
    display: none;
  }

  .nav__link[aria-current='page'] {
    color: var(--c-cta);
  }

  .nav__cta {
    margin-top: 2rem;
  }

  /* Escurece o conteudo enquanto o menu esta aberto */
  .nav-backdrop {
    background: rgba(22, 35, 61, 0.55);
    inset: 0;
    opacity: 0;
    position: fixed;
    transition: opacity var(--t) var(--ease), visibility var(--t);
    visibility: hidden;
    z-index: calc(var(--z-header) - 1);
  }

  .nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
  }
}

@media (min-width: 1081px) {
  .nav__cta {
    display: none;
  }
}

/* Trava a rolagem do fundo com o menu ou o lightbox aberto */
body.is-locked {
  overflow: hidden;
}

/* ==========================================================================
   3. BREADCRUMBS
   ========================================================================== */
.breadcrumbs {
  font-size: var(--fs-label);
  letter-spacing: 0.02em;
}

.breadcrumbs ol {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.breadcrumbs li {
  align-items: center;
  display: flex;
  gap: 0.45rem;
}

.breadcrumbs li + li::before {
  color: currentColor;
  content: '/';
  opacity: 0.45;
}

.breadcrumbs a {
  color: inherit;
  opacity: 0.8;
  text-decoration: none;
}

.breadcrumbs a:hover {
  opacity: 1;
  text-decoration: underline;
}

.breadcrumbs [aria-current='page'] {
  font-weight: 600;
  opacity: 1;
}

/* ==========================================================================
   4. CARDS
   Radius 16px, sombra suave, hover elevando 4px — conforme briefing.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Cards que sao <a> herdam o sublinhado global de link, que se propaga para
   titulo e paragrafo e polui o cartao inteiro. A area clicavel ja e evidente
   pelo hover (elevacao + sombra) e pelo "Ver solucao →", entao o sublinhado
   e removido no card e devolvido apenas onde ele comunica algo.
   -------------------------------------------------------------------------- */
a.card,
a.icon-card,
a.solucao-card,
a.segmento-card,
a.post-card,
a.post-destaque,
a.canal,
a.projeto-card {
  text-decoration: none;
}
.card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease),
    border-color var(--t) var(--ease);
}

.card:hover {
  border-color: color-mix(in srgb, var(--c-blue) 40%, var(--c-line));
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.5rem, 1rem + 1.2vw, 2.25rem);
}

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

.card__text {
  color: var(--c-body);
  font-size: var(--fs-small);
  line-height: 1.68;
}

.card__foot {
  margin-top: auto;
  padding-top: 0.6rem;
}

/* Marca diagonal no canto superior direito — assinatura da marca no card */
.card--diag::before {
  background: linear-gradient(135deg, var(--c-blue) 0%, var(--c-primary) 100%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  content: '';
  height: 56px;
  opacity: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: opacity var(--t) var(--ease);
  width: 56px;
}

.card--diag:hover::before {
  opacity: 1;
}

/* Card com midia no topo */
.card__media {
  aspect-ratio: 16 / 9;
  background: var(--c-support);
  overflow: hidden;
  position: relative;
}

.card__media img {
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow) var(--ease);
  width: 100%;
}

.card:hover .card__media img {
  transform: scale(1.06);
}

/* Veu azul que unifica a fotografia em tons frios */
.card__media::after {
  background: linear-gradient(
    180deg,
    rgba(38, 60, 101, 0.05) 0%,
    rgba(38, 60, 101, 0.42) 100%
  );
  content: '';
  inset: 0;
  position: absolute;
}

/* --- Card de icone (diferenciais, valores) ------------------------------- */
.icon-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: clamp(1.6rem, 1rem + 1.4vw, 2.4rem);
  position: relative;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

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

/* Barra diagonal que preenche o topo do card no hover */
.icon-card::after {
  background: var(--c-blue);
  content: '';
  height: 4px;
  left: 0;
  position: absolute;
  top: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t) var(--ease);
  width: 100%;
}

.icon-card:hover::after {
  transform: scaleX(1);
}

.icon-card__icon {
  align-items: center;
  background: color-mix(in srgb, var(--c-blue) 12%, transparent);
  border-radius: 14px;
  color: var(--c-cta);
  display: inline-flex;
  height: 56px;
  justify-content: center;
  margin-bottom: 1.4rem;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
  width: 56px;
}

.icon-card__icon svg {
  height: 28px;
  width: 28px;
}

.icon-card:hover .icon-card__icon {
  background: var(--c-cta);
  color: var(--c-white);
}

.icon-card__title {
  font-size: var(--fs-h4);
  margin-bottom: 0.6rem;
}

.icon-card__text {
  color: var(--c-body);
  font-size: var(--fs-small);
  line-height: 1.68;
}

/* Variante para fundo escuro */
.section--dark .icon-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--c-line-dark);
}

.section--dark .icon-card__text {
  color: rgba(255, 255, 255, 0.76);
}

.section--dark .icon-card__icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--c-support);
}

.section--dark .icon-card:hover .icon-card__icon {
  background: var(--c-blue);
  color: var(--c-white);
}

/* ==========================================================================
   5. HERO DE PAGINA INTERNA
   Sem fotografia: apenas azul institucional, diagonal e tipografia — a
   composicao geometrica do manual. Leve e sempre no tom certo.
   ========================================================================== */
.page-hero {
  background: linear-gradient(
    120deg,
    var(--c-primary-900) 0%,
    var(--c-primary) 55%,
    var(--c-primary-600) 100%
  );
  color: rgba(255, 255, 255, 0.85);
  overflow: hidden;
  padding-block: calc(var(--header-h) + clamp(3.5rem, 2rem + 5vw, 7rem))
    calc(clamp(3.5rem, 2rem + 5vw, 7rem) + var(--diag));
  position: relative;
}

/* Bloco diagonal em azul Kryon atravessando o hero */
.page-hero::before {
  background: linear-gradient(
    100deg,
    transparent 0%,
    color-mix(in srgb, var(--c-blue) 55%, transparent) 100%
  );
  clip-path: polygon(62% 0, 100% 0, 100% 100%, 38% 100%);
  content: '';
  inset: 0;
  opacity: 0.55;
  position: absolute;
}

/* Corte diagonal na base, ligando com a secao seguinte */
.page-hero::after {
  background: var(--c-bg);
  bottom: 0;
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  content: '';
  height: var(--diag);
  left: 0;
  position: absolute;
  width: 100%;
}

.page-hero__inner {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--c-white);
  max-width: 20ch;
}

.page-hero .lead {
  color: rgba(255, 255, 255, 0.84);
  margin-top: 1.5rem;
  max-width: 58ch;
}

.page-hero .breadcrumbs {
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 1.75rem;
}

.page-hero--white-next::after {
  background: var(--c-white);
}

/* ==========================================================================
   6. FORMULARIOS
   ========================================================================== */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field__label {
  color: var(--c-primary);
  font-family: var(--font-display);
  font-size: var(--fs-label);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.field__label .req {
  color: var(--c-error);
  margin-left: 0.15rem;
}

.field__control {
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: var(--r-btn);
  color: var(--c-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.95rem 1.1rem;
  transition: border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease);
  width: 100%;
}

/* --c-muted (4.09:1) reprovaria: placeholder tambem entra na regra de
   contraste da WCAG. --c-placeholder mantem o tom leve e passa em AA. */
.field__control::placeholder {
  color: var(--c-placeholder);
  opacity: 1;
}

.field__control:hover {
  border-color: var(--c-support);
}

.field__control:focus {
  border-color: var(--c-cta);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-blue) 18%, transparent);
  outline: none;
}

textarea.field__control {
  min-height: 150px;
  resize: vertical;
}

select.field__control {
  appearance: none;
  /* Seta em SVG embutido: evita mais uma requisicao de rede */
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23263c65' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-position: right 1.05rem center;
  background-repeat: no-repeat;
  background-size: 18px;
  cursor: pointer;
  padding-right: 3rem;
}

/* Estado de erro — comunicado por cor E por texto, nunca so por cor */
.field.has-error .field__control {
  border-color: var(--c-error);
}

.field.has-error .field__control:focus {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--c-error) 16%, transparent);
}

.field__error {
  color: var(--c-error);
  display: none;
  font-size: var(--fs-label);
  font-weight: 500;
  gap: 0.35rem;
  align-items: center;
}

.field.has-error .field__error {
  display: flex;
}

/* --c-body, e nao --c-muted: com 13px este texto conta como normal para a
   WCAG, e --c-muted (#797D92) fica em 4.1:1 sobre o branco do card. */
.form-note {
  color: var(--c-body);
  font-size: var(--fs-label);
  line-height: 1.6;
}

/* Mensagem de retorno do formulario */
.form-status {
  border-radius: var(--r-btn);
  display: none;
  font-size: var(--fs-small);
  gap: 0.75rem;
  padding: 1rem 1.25rem;
}

.form-status.is-visible {
  display: flex;
}

.form-status--success {
  background: color-mix(in srgb, var(--c-success) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--c-success) 35%, transparent);
  color: var(--c-success);
}

.form-status--error {
  background: color-mix(in srgb, var(--c-error) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--c-error) 30%, transparent);
  color: var(--c-error);
}

/* Honeypot anti-spam: invisivel para humanos, atrativo para bots */
.hp-field {
  height: 0;
  left: -9999px;
  overflow: hidden;
  position: absolute;
  width: 0;
}

/* ==========================================================================
   7. RODAPE
   ========================================================================== */
.site-footer {
  background: var(--c-primary-900);
  color: rgba(255, 255, 255, 0.72);
  overflow: hidden;
  padding-top: calc(var(--section-y-sm) + var(--diag));
  position: relative;
}

/* Diagonal de entrada do rodape */
.site-footer::before {
  background: var(--c-primary);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  content: '';
  height: var(--diag);
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.site-footer__grid {
  display: grid;
  gap: clamp(2rem, 1rem + 3vw, 3.5rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  padding-bottom: 3rem;
}

.site-footer__brand {
  grid-column: span 1;
  max-width: 340px;
}

@media (min-width: 900px) {
  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.site-footer__logo img {
  margin-bottom: 1.35rem;
  width: 190px;
}

.site-footer__tagline {
  font-size: var(--fs-small);
  line-height: 1.7;
}

.site-footer h2,
.site-footer h3 {
  color: var(--c-white);
  font-size: 0.9375rem;
  letter-spacing: var(--ls-label);
  margin-bottom: 1.35rem;
  text-transform: uppercase;
}

.site-footer ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.72);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease),
    padding-left var(--t-fast) var(--ease);
}

.site-footer a:hover {
  color: var(--c-white);
  padding-left: 5px;
}

.site-footer__contact li {
  align-items: flex-start;
  display: flex;
  font-size: var(--fs-small);
  gap: 0.75rem;
  line-height: 1.6;
}

.site-footer__contact svg {
  color: var(--c-blue);
  flex: none;
  height: 18px;
  margin-top: 3px;
  width: 18px;
}

.site-footer__bottom {
  align-items: center;
  border-top: 1px solid var(--c-line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  padding-block: 1.75rem;
}

.site-footer__bottom p {
  font-size: var(--fs-label);
}

.site-footer__social {
  display: flex;
  gap: 0.6rem;
}

.site-footer__social a {
  align-items: center;
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--r-sm);
  display: inline-flex;
  height: 40px;
  justify-content: center;
  transition: background-color var(--t) var(--ease),
    transform var(--t) var(--ease);
  width: 40px;
}

.site-footer__social a:hover {
  background: var(--c-blue);
  padding-left: 0;
  transform: translateY(-3px);
}

.site-footer__social svg {
  height: 19px;
  width: 19px;
}

/* ==========================================================================
   8. BOTAO FLUTUANTE DE WHATSAPP
   ========================================================================== */
.fab-whatsapp {
  align-items: center;
  background: #25d366;
  border-radius: 50%;
  bottom: clamp(1rem, 2.5vw, 2rem);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  color: #fff;
  display: inline-flex;
  height: 58px;
  justify-content: center;
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  text-decoration: none;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  width: 58px;
  z-index: var(--z-fab);
}

.fab-whatsapp:hover {
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.5);
  color: #fff;
  transform: scale(1.08);
}

.fab-whatsapp svg {
  height: 30px;
  width: 30px;
}

/* Pulso discreto para chamar atencao sem irritar */
.fab-whatsapp::after {
  animation: fab-pulse 2.6s var(--ease) infinite;
  border: 2px solid #25d366;
  border-radius: 50%;
  content: '';
  inset: 0;
  position: absolute;
}

@keyframes fab-pulse {
  0% {
    opacity: 0.7;
    transform: scale(1);
  }
  70%,
  100% {
    opacity: 0;
    transform: scale(1.5);
  }
}

/* No mobile o CTA principal fica fixo na base — o FAB sobe para nao colidir */
@media (max-width: 720px) {
  .fab-whatsapp {
    bottom: calc(74px + 1rem);
    height: 52px;
    width: 52px;
  }

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

/* ==========================================================================
   9. BARRA DE CTA FIXA NO MOBILE
   ========================================================================== */
.mobile-cta {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--c-line);
  bottom: 0;
  display: none;
  gap: 0.65rem;
  left: 0;
  padding: 0.75rem var(--pad-x)
    calc(0.75rem + env(safe-area-inset-bottom, 0px));
  position: fixed;
  right: 0;
  z-index: var(--z-fab);
}

.mobile-cta .btn {
  flex: 1;
  font-size: 0.8125rem;
  padding: 0.9rem 0.75rem;
}

@media (max-width: 720px) {
  .mobile-cta {
    display: flex;
  }

  /* Espaco para a barra nao cobrir o fim do rodape */
  .site-footer__bottom {
    padding-bottom: calc(1.75rem + 74px);
  }
}

/* ==========================================================================
   10. LIGHTBOX (galeria de projetos)
   ========================================================================== */
.lightbox {
  align-items: center;
  background: rgba(11, 19, 35, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  inset: 0;
  justify-content: center;
  opacity: 0;
  padding: clamp(1rem, 4vw, 3rem);
  position: fixed;
  /* `visibility` com delay igual à duração: ao FECHAR, o elemento só some
     depois que o fade termina. Ao ABRIR (regra .is-open), o delay é zero e a
     visibilidade muda no mesmo instante — condição para o focus() no botão de
     fechar funcionar. Transicionar `visibility` como propriedade discreta faria
     ela virar só na metade da animação, e o foco falharia em silêncio. */
  transition: opacity var(--t) var(--ease), visibility 0s linear var(--t);
  visibility: hidden;
  z-index: var(--z-overlay);
}

.lightbox.is-open {
  opacity: 1;
  transition: opacity var(--t) var(--ease), visibility 0s linear 0s;
  visibility: visible;
}

.lightbox__figure {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 100%;
  max-width: min(1180px, 100%);
}

.lightbox__img {
  border-radius: var(--r-card);
  max-height: 74vh;
  object-fit: contain;
  width: 100%;
}

.lightbox__caption {
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--fs-small);
  text-align: center;
}

.lightbox__caption strong {
  color: var(--c-white);
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  margin-bottom: 0.3rem;
}

.lightbox__btn {
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  color: var(--c-white);
  display: inline-flex;
  height: 48px;
  justify-content: center;
  position: absolute;
  transition: background-color var(--t) var(--ease);
  width: 48px;
}

.lightbox__btn:hover {
  background: var(--c-blue);
}

.lightbox__btn svg {
  height: 22px;
  width: 22px;
}

.lightbox__close {
  right: clamp(1rem, 3vw, 2.5rem);
  top: clamp(1rem, 3vw, 2.5rem);
}

.lightbox__prev {
  left: clamp(0.5rem, 2vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: clamp(0.5rem, 2vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
}

/* ==========================================================================
   11. ANIMACAO DE ENTRADA POR SCROLL
   Aplicada via [data-reveal]; o JS apenas adiciona .is-visible.
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease),
    transform var(--t-slow) var(--ease);
  will-change: opacity, transform;
}

/* No desktop os blocos entram lateralmente, reforcando a leitura em duas
   colunas. Em telas estreitas o layout e de coluna unica: um deslocamento
   horizontal so provocaria piscada de barra de rolagem, entao ali todos os
   elementos entram por baixo. */
@media (min-width: 900px) {
  [data-reveal='left'] {
    transform: translateX(-32px);
  }

  [data-reveal='right'] {
    transform: translateX(32px);
  }
}

[data-reveal='scale'] {
  transform: scale(0.94);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* Cascata: cada filho entra 90ms depois do anterior */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow) var(--ease),
    transform var(--t-slow) var(--ease);
}

[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: none;
}

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 90ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 180ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 270ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 360ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 450ms; }
[data-reveal-stagger].is-visible > *:nth-child(7) { transition-delay: 540ms; }
[data-reveal-stagger].is-visible > *:nth-child(8) { transition-delay: 630ms; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
    transition-delay: 0ms !important;
  }
}

/* ==========================================================================
   12. ACCORDION DE FAQ
   --------------------------------------------------------------------------
   Construido sobre <details>/<summary> nativos, e nao com JS:
     · funciona sem JavaScript e antes de o JS carregar;
     · o navegador ja entrega semantica de "expansivel" e navegacao por
       teclado (Enter/Espaco) de graca;
     · o conteudo fechado continua no DOM, entao o Google indexa as respostas
       — que e o ponto de ter FAQ na pagina.
   O unico JS envolvido e opcional: fechar os demais itens ao abrir um.
   ========================================================================== */
.faq {
  display: grid;
  gap: 0.85rem;
  margin-inline: auto;
  max-width: 860px;
}

.faq__item {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  overflow: hidden;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.faq__item[open] {
  border-color: color-mix(in srgb, var(--c-blue) 45%, var(--c-line));
  box-shadow: var(--shadow-card);
}

.faq__pergunta {
  align-items: center;
  color: var(--c-primary);
  cursor: pointer;
  display: flex;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  gap: 1.25rem;
  justify-content: space-between;
  line-height: 1.4;
  list-style: none;
  padding: 1.35rem clamp(1.15rem, 1rem + 0.6vw, 1.75rem);
  transition: color var(--t-fast) var(--ease);
}

/* Remove o triangulo padrao nos dois motores */
.faq__pergunta::-webkit-details-marker {
  display: none;
}

.faq__pergunta::marker {
  content: '';
}

.faq__pergunta:hover {
  color: var(--c-cta);
}

/* Sinal de "+" que gira para "x" quando aberto */
.faq__icone {
  align-items: center;
  background: color-mix(in srgb, var(--c-blue) 12%, transparent);
  border-radius: var(--r-sm);
  color: var(--c-cta);
  display: inline-flex;
  flex: none;
  height: 34px;
  justify-content: center;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease),
    transform var(--t) var(--ease);
  width: 34px;
}

.faq__icone svg {
  height: 18px;
  width: 18px;
}

.faq__item[open] .faq__icone {
  background: var(--c-cta);
  color: var(--c-white);
  transform: rotate(135deg);
}

.faq__resposta {
  color: var(--c-body);
  font-size: var(--fs-small);
  line-height: 1.75;
  padding: 0 clamp(1.15rem, 1rem + 0.6vw, 1.75rem) 1.5rem;
}

.faq__resposta > * + * {
  margin-top: 0.9rem;
}

/* Abertura animada. `interpolate-size` permite transicionar de 0 ate a altura
   real do conteudo sem medir nada em JS; navegadores sem suporte simplesmente
   abrem sem animacao — degradacao limpa. */
@supports (interpolate-size: allow-keywords) {
  :root {
    interpolate-size: allow-keywords;
  }

  .faq__item::details-content {
    block-size: 0;
    opacity: 0;
    overflow: hidden;
    transition: block-size var(--t) var(--ease), opacity var(--t) var(--ease),
      content-visibility var(--t) allow-discrete;
  }

  .faq__item[open]::details-content {
    block-size: auto;
    opacity: 1;
  }
}