/* ============================================================================
   KLF Tech — camada de site
   Navegação fixa, estados de interação, menu mobile, botão flutuante de
   WhatsApp e rodapé responsivo.

   Depende dos tokens do design system (_ds/.../tokens/*.css) e das classes
   de componente (.btn, .service-card, .footer). Nenhuma cor ou fonte nova.
   Carregue SEMPRE depois dos arquivos do design system.
   ========================================================================= */

:root {
  --klf-header-h: 106px;   /* medido em runtime por site-ui.js */
  --klf-anchor-gap: 20px;
}

/* --- Rolagem suave com compensação do header fixo ------------------------ */

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

[id] { scroll-margin-top: calc(var(--klf-header-h) + var(--klf-anchor-gap)); }
#topo { scroll-margin-top: 0; }

/* --- Foco visível por teclado em tudo que é clicável --------------------- */

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--brand-cyan, #06B6D4);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Feedback de clique para qualquer link/botão que não tenha tratamento
   próprio (cards do blog, pílulas do método, links de texto). */
a:active,
button:active { opacity: 0.82; }

.btn:active,
.klf-card-link:active,
.klf-fab:active,
.klf-logo:active,
.klf-burger:active,
.klf-nav a:active,
.klf-mobile-panel a:active,
.klf-social a:active,
.footer ul a:active { opacity: 1; }

/* --- Botões renderizados como <a> ---------------------------------------
   base.css e os <style> das páginas aplicam cor/sublinhado em `a:hover`.
   Estas regras têm especificidade maior para o botão continuar botão.      */

a.btn,
a.btn:hover,
a.btn:focus,
a.btn:active { text-decoration: none; }

a.btn-primary,
a.btn-primary:hover,
a.btn-primary:active { color: #FFFFFF; }

a.btn-secondary { color: var(--text-primary, #FFFFFF); }
a.btn-secondary:hover,
a.btn-secondary:active { color: var(--brand-cyan, #06B6D4); }

a.btn-ghost { color: var(--text-secondary, #E5E7EB); }
a.btn-ghost:hover,
a.btn-ghost:active { color: var(--text-primary, #FFFFFF); }

/* ============================================================================
   HEADER
   ========================================================================= */

.klf-header {
  position: sticky;
  top: 0;
  z-index: 60;
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px 0;
}

.klf-header-inner {
  /* Fica acima do overlay do menu mobile, que é filho do mesmo header. */
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 999px;
  background: rgba(11, 19, 43, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--duration-base, 220ms) var(--ease-standard, ease),
              box-shadow var(--duration-base, 220ms) var(--ease-standard, ease);
}

/* Ganha profundidade assim que a página sai do topo. */
.klf-header[data-scrolled="true"] .klf-header-inner {
  border-color: rgba(6, 182, 212, 0.28);
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.55);
}

.klf-logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  border-radius: 999px;
  text-decoration: none;
}

.klf-logo img {
  height: 56px;
  width: auto;
  display: block;
  transition: filter var(--duration-base, 220ms) var(--ease-standard, ease),
              transform var(--duration-fast, 150ms) var(--ease-standard, ease);
}

.klf-logo:hover img { filter: drop-shadow(0 0 14px rgba(6, 182, 212, 0.55)); }
.klf-logo:active img { transform: scale(0.97); }

/* --- Navegação desktop --------------------------------------------------- */

.klf-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.klf-nav a {
  position: relative;
  padding: 6px 2px;
  font-size: 15px;
  font-weight: 500;
  color: #CBD5E1;
  text-decoration: none;
  transition: color var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-brand, linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-nav a:hover,
.klf-nav a[aria-current="true"] { color: #22D3EE; text-decoration: none; }
.klf-nav a:hover::after,
.klf-nav a[aria-current="true"]::after { transform: scaleX(1); }
.klf-nav a:active { color: #67E8F9; }

.klf-header-cta { flex: 0 0 auto; }

/* --- Botão hambúrguer ---------------------------------------------------- */

.klf-burger {
  display: none;
  position: relative; /* âncora para as três barras */
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(15, 26, 54, 0.6);
  cursor: pointer;
  transition: border-color var(--duration-base, 220ms) var(--ease-standard, ease),
              box-shadow var(--duration-base, 220ms) var(--ease-standard, ease),
              transform var(--duration-fast, 150ms) var(--ease-standard, ease);
}

.klf-burger:hover { border-color: rgba(6, 182, 212, 0.55); box-shadow: var(--glow-cyan, 0 0 24px rgba(6, 182, 212, 0.45)); }
.klf-burger:active { transform: scale(0.94); }

.klf-burger span {
  position: absolute;
  left: 13px;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #E2E8F0;
  transition: transform var(--duration-base, 220ms) var(--ease-standard, ease),
              opacity var(--duration-fast, 150ms) linear,
              background var(--duration-base, 220ms);
}

.klf-burger span:nth-child(1) { top: 15px; }
.klf-burger span:nth-child(2) { top: 21px; }
.klf-burger span:nth-child(3) { top: 27px; }

html.klf-menu-open .klf-burger span { background: #22D3EE; }
html.klf-menu-open .klf-burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
html.klf-menu-open .klf-burger span:nth-child(2) { opacity: 0; }
html.klf-menu-open .klf-burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================================
   MENU MOBILE
   ========================================================================= */

.klf-mobile {
  position: fixed;
  inset: 0;
  z-index: 1; /* dentro do contexto do .klf-header (z-index 60) */
  display: none;
  justify-content: flex-end;
  flex-direction: column;
  background: rgba(5, 8, 15, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

html.klf-menu-open .klf-mobile { display: flex; }
html.klf-menu-open,
html.klf-menu-open body { overflow: hidden; }
html.klf-menu-open .klf-fab { opacity: 0; pointer-events: none; }

.klf-mobile-panel {
  margin: 0 16px 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1px solid rgba(6, 182, 212, 0.28);
  border-radius: 24px;
  background: rgba(11, 19, 43, 0.97);
  box-shadow: 0 -20px 60px rgba(2, 6, 23, 0.7);
  animation: klf-slide-up 220ms cubic-bezier(0.4, 0, 0.2, 1);
  max-height: calc(100vh - var(--klf-header-h) - 32px);
  overflow-y: auto;
}

@keyframes klf-slide-up {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .klf-mobile-panel { animation: none; }
}

.klf-mobile-panel a.klf-mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 16px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 500;
  color: #E2E8F0;
  text-decoration: none;
  transition: background var(--duration-base, 220ms) var(--ease-standard, ease),
              color var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-mobile-panel a.klf-mobile-link::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  opacity: 0.45;
}

.klf-mobile-panel a.klf-mobile-link:hover,
.klf-mobile-panel a.klf-mobile-link[aria-current="true"] {
  background: rgba(6, 182, 212, 0.10);
  color: #22D3EE;
  text-decoration: none;
}

.klf-mobile-panel a.klf-mobile-link:active { background: rgba(6, 182, 212, 0.18); }

.klf-mobile-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
}

.klf-mobile-actions .btn { width: 100%; }

@media (max-width: 900px) {
  .klf-nav,
  .klf-header-cta { display: none; }
  .klf-burger { display: block; }
  .klf-header { padding: 14px 16px 0; }
  .klf-header-inner { padding: 10px 12px 10px 18px; }
  .klf-logo img { height: 42px; }
}

/* ============================================================================
   BOTÃO FLUTUANTE DE WHATSAPP
   ========================================================================= */

.klf-fab {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 70;
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: var(--gradient-brand, linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%));
  color: #FFFFFF;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.55), 0 0 26px rgba(6, 182, 212, 0.45);
  transition: transform var(--duration-base, 220ms) var(--ease-standard, ease),
              box-shadow var(--duration-base, 220ms) var(--ease-standard, ease),
              opacity var(--duration-base, 220ms) linear;
}

.klf-fab svg { width: 30px; height: 30px; display: block; fill: currentColor; }

a.klf-fab:hover,
a.klf-fab:focus-visible {
  transform: translateY(-3px);
  color: #FFFFFF;
  text-decoration: none;
  box-shadow: 0 16px 38px rgba(2, 6, 23, 0.6), 0 0 44px rgba(6, 182, 212, 0.75);
}

a.klf-fab:active { transform: translateY(0) scale(0.95); color: #FFFFFF; }
.klf-fab:focus-visible { outline: 2px solid #67E8F9; outline-offset: 4px; }

/* Rótulo que aparece no hover em telas com ponteiro. */
.klf-fab-label {
  position: absolute;
  right: 72px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 999px;
  background: rgba(11, 19, 43, 0.95);
  color: #E2E8F0;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  transform: translateX(6px);
  pointer-events: none;
  transition: opacity var(--duration-base, 220ms) linear,
              transform var(--duration-base, 220ms) var(--ease-standard, ease);
}

@media (hover: hover) {
  .klf-fab:hover .klf-fab-label,
  .klf-fab:focus-visible .klf-fab-label { opacity: 1; transform: translateX(0); }
}

@media (max-width: 640px) {
  .klf-fab { width: 54px; height: 54px; }
  .klf-fab svg { width: 27px; height: 27px; }
  .klf-fab-label { display: none; }
}

/* ============================================================================
   CARDS CLICÁVEIS
   ========================================================================= */

.klf-card-link {
  display: block;
  height: 100%;
  border-radius: var(--radius-lg, 24px);
  color: inherit;
  text-decoration: none;
}

.klf-card-link:hover,
.klf-card-link:focus-visible,
.klf-card-link:active { color: inherit; text-decoration: none; }

.klf-card-link .service-card {
  height: 100%;
  position: relative;
  padding-bottom: 58px;
}

/* Afirma que o card leva a algum lugar. */
.klf-card-link .service-card::after {
  content: "Ler o caso";
  position: absolute;
  left: 32px;
  bottom: 26px;
  font-size: 14px;
  font-weight: 600;
  color: #22D3EE;
  transition: transform var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-card-link:hover .service-card,
.klf-card-link:focus-visible .service-card {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card, 0 4px 20px rgba(0, 0, 0, 0.4));
  border-color: rgba(6, 182, 212, 0.4);
}

.klf-card-link:hover .service-card::after,
.klf-card-link:focus-visible .service-card::after { transform: translateX(4px); }
.klf-card-link:active .service-card { transform: translateY(-1px); }

/* ============================================================================
   SEÇÃO SOBRE — fundador e citação de marca
   ========================================================================= */

.klf-founder-grid {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}

@media (max-width: 860px) {
  .klf-founder-grid { grid-template-columns: 1fr; }
  .klf-founder-frame { max-width: 320px; }
}

/* Moldura com borda em gradiente: fundo em gradiente + preenchimento navy. */
.klf-founder-frame {
  padding: 3px;
  border-radius: var(--radius-lg, 24px);
  background: var(--gradient-brand, linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%));
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.55), 0 0 40px rgba(6, 182, 212, 0.22);
}

.klf-founder-inner {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 22px;
  background: var(--navy-800, #0E1833);
}

.klf-founder-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Textura da marca só no placeholder, nunca por cima de uma foto real. */
.klf-founder-inner.is-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url(assets/data-wave-bg.png);
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}

.klf-founder-ph {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
}

.klf-founder-mono {
  font-size: clamp(64px, 9vw, 104px);
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-brand, linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.klf-founder-name {
  font-size: 16px;
  font-weight: 600;
  color: #F1F5F9;
}

.klf-founder-role {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #72849E;
}

/* --- Citação: o elemento mais forte da seção ---------------------------- */

.klf-quote {
  position: relative;
  margin: clamp(40px, 5vw, 72px) 0 0;
  padding: clamp(44px, 5vw, 68px) clamp(26px, 4vw, 64px) clamp(32px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid rgba(6, 182, 212, 0.28);
  border-radius: var(--radius-lg, 24px);
  background: linear-gradient(150deg, rgba(29, 78, 216, 0.18) 0%, rgba(6, 182, 212, 0.10) 45%, rgba(11, 19, 43, 0) 100%);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.5), 0 0 60px rgba(6, 182, 212, 0.16);
}

/* Aspas decorativas grandes, atrás do texto. */
.klf-quote::before {
  content: "\201C";
  position: absolute;
  top: clamp(-30px, -2vw, -10px);
  left: clamp(8px, 2vw, 30px);
  font-size: clamp(150px, 17vw, 250px);
  line-height: 1;
  font-weight: 700;
  color: rgba(6, 182, 212, 0.13);
  pointer-events: none;
  user-select: none;
}

.klf-quote-text {
  position: relative;
  margin: 0;
  max-width: 19ch;
  /* Mínimo acima do h2 da seção (30px) para a citação dominar também no mobile. */
  font-size: clamp(32px, 5.2vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: #E2E8F0; /* fallback quando background-clip: text não existe */
  text-wrap: pretty;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .klf-quote-text {
    /* Gradiente da marca (mesmas duas cores), com dois ajustes:
       - ângulo mais vertical: a citação quebra em 3 linhas, então o azul abre
         a frase e o ciano fecha em "me tragam dados", que é o ponto da fala;
       - origem em -15%: o azul mais escuro sobre o navy fica em 2,8:1, abaixo
         do mínimo de 3:1 para texto grande. */
    background: linear-gradient(160deg, #1D4ED8 -15%, #06B6D4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
  }
}

.klf-quote-sign {
  position: relative;
  display: block;
  margin-top: clamp(20px, 2.5vw, 28px);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #94A3B8;
}

/* ============================================================================
   CANAIS DE CONTATO
   ========================================================================= */

.klf-canais {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.klf-canal {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--surface-border-subtle, rgba(229, 231, 235, 0.12));
  border-radius: var(--radius-md, 16px);
  background: rgba(15, 26, 54, 0.6);
  color: #E2E8F0;
  text-decoration: none;
  transition: border-color var(--duration-base, 220ms) var(--ease-standard, ease),
              box-shadow var(--duration-base, 220ms) var(--ease-standard, ease),
              transform var(--duration-fast, 150ms) var(--ease-standard, ease);
}

.klf-canal-ico {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(6, 182, 212, 0.28);
  color: #22D3EE;
  transition: background var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-canal-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

.klf-canal-rotulo {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #72849E;
}

.klf-canal-valor {
  font-size: 15px;
  font-weight: 500;
  color: #E2E8F0;
  overflow-wrap: anywhere;
}

a.klf-canal:hover,
a.klf-canal:focus-visible {
  color: #E2E8F0;
  text-decoration: none;
  transform: translateY(-2px);
  border-color: rgba(6, 182, 212, 0.45);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.16);
}

.klf-canal:hover .klf-canal-ico { background: rgba(6, 182, 212, 0.12); }
a.klf-canal:active { transform: translateY(0); opacity: 1; }

/* Variante do rodapé: sem moldura, alinhada às outras colunas. */
.klf-canais.is-compacto { gap: 12px; }

.klf-canais.is-compacto .klf-canal {
  padding: 0;
  gap: 10px;
  border: 0;
  background: none;
  font-size: var(--fs-body-sm, 14px);
  color: var(--text-muted, #9AA4C7);
}

.klf-canais.is-compacto .klf-canal-ico {
  width: 30px;
  height: 30px;
  border-color: var(--surface-border-subtle, rgba(229, 231, 235, 0.12));
}

.klf-canais.is-compacto .klf-canal-valor { font-size: var(--fs-body-sm, 14px); color: var(--text-muted, #9AA4C7); }
.klf-canais.is-compacto .klf-canal:hover { transform: none; box-shadow: none; }
.klf-canais.is-compacto .klf-canal:hover .klf-canal-valor { color: var(--brand-cyan, #06B6D4); }
.klf-canais.is-compacto .klf-canal:hover .klf-canal-ico { border-color: rgba(6, 182, 212, 0.45); }

/* ============================================================================
   FORMULÁRIO
   ========================================================================= */

/* Select nativo com a mesma casca dos inputs do design system. */
.klf-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  cursor: pointer;
  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='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px 18px;
}

.klf-select option { background: var(--navy-800, #0E1833); color: #E2E8F0; }

/* --- Consentimento LGPD -------------------------------------------------- */

.klf-consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--surface-border-subtle, rgba(229, 231, 235, 0.12));
  border-radius: var(--radius-sm, 8px);
  background: rgba(11, 19, 43, 0.5);
  transition: border-color var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-consent.is-erro { border-color: var(--color-error, #EF4444); }

/* Alvo de toque de 44px, sem inflar a caixa visível. */
.klf-consent input[type="checkbox"] {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin: 0;
  accent-color: #06B6D4;
  cursor: pointer;
  position: relative;
}

.klf-consent input[type="checkbox"]::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
}

.klf-consent input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--brand-cyan, #06B6D4);
  outline-offset: 3px;
}

.klf-consent label {
  font-size: 14px;
  line-height: 1.55;
  color: #94A3B8;
  cursor: pointer;
}

.klf-consent label a { color: #22D3EE; text-decoration: underline; }
.klf-consent label a:hover { color: #67E8F9; }

/* Honeypot: fora da tela, fora do foco e fora do leitor de tela. */
.klf-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.klf-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #FFFFFF;
  border-radius: 999px;
  animation: klf-girar 700ms linear infinite;
}

@keyframes klf-girar { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .klf-spinner { animation-duration: 2s; }
}

.btn[aria-busy="true"] { cursor: progress; }

/* Painel de sucesso — verde de sucesso da marca. */
.klf-ok {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  padding: 48px 32px;
  border: 1px solid rgba(16, 185, 129, 0.38);
  border-radius: var(--radius-lg, 24px);
  background: linear-gradient(160deg, rgba(16, 185, 129, 0.12) 0%, rgba(15, 26, 54, 0.7) 60%);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.5), var(--glow-green, 0 0 24px rgba(16, 185, 129, 0.4));
}

.klf-ok-marca {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  border: 1px solid rgba(16, 185, 129, 0.45);
  background: rgba(16, 185, 129, 0.14);
  color: var(--color-success, #10B981);
}

.klf-ok h3 { margin: 6px 0 0; font-size: 22px; font-weight: 700; color: #F8FAFC; }
.klf-ok p { margin: 0; font-size: 15px; line-height: 1.6; color: #94A3B8; }

/* Aviso de falha no envio, com saída pelo WhatsApp. */
.klf-falha {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 22px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md, 16px);
  background: rgba(58, 42, 13, 0.5);
}

.klf-falha p { margin: 0; font-size: 14px; line-height: 1.6; color: #FBBF24; }

/* ============================================================================
   BLOG — índice
   ========================================================================= */

.klf-filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.klf-filtro {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--surface-border-subtle, rgba(229, 231, 235, 0.12));
  border-radius: 999px;
  background: rgba(15, 26, 54, 0.6);
  color: #CBD5E1;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--duration-base, 220ms) var(--ease-standard, ease),
              color var(--duration-base, 220ms) var(--ease-standard, ease),
              box-shadow var(--duration-base, 220ms) var(--ease-standard, ease),
              transform var(--duration-fast, 150ms) var(--ease-standard, ease);
}

.klf-filtro:hover {
  color: #22D3EE;
  border-color: rgba(6, 182, 212, 0.45);
}

.klf-filtro:active { transform: translateY(1px); opacity: 1; }

.klf-filtro.is-ativo {
  color: #041019;
  border-color: transparent;
  background: var(--gradient-brand, linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%));
  box-shadow: var(--glow-cyan, 0 0 24px rgba(6, 182, 212, 0.45));
  font-weight: 600;
}

.klf-filtro-n {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  opacity: 0.7;
}

.klf-filtro-status {
  margin: 0 0 32px;
  font-size: 14px;
  color: #72849E;
}

/* --- Card de artigo ------------------------------------------------------ */

.klf-post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--surface-border-subtle, rgba(229, 231, 235, 0.12));
  border-radius: var(--radius-lg, 24px);
  background: #0F1A36;
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.5);
  color: inherit;
  text-decoration: none;
  transition: transform var(--duration-base, 220ms) var(--ease-standard, ease),
              border-color var(--duration-base, 220ms),
              box-shadow var(--duration-base, 220ms);
}

.klf-post-card:hover,
.klf-post-card:focus-visible {
  color: inherit;
  text-decoration: none;
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.45);
  box-shadow: 0 26px 70px rgba(2, 6, 23, 0.6), 0 0 40px rgba(6, 182, 212, 0.22);
}

.klf-post-card:active { transform: translateY(-1px); opacity: 1; }

.klf-post-capa {
  position: relative;
  display: block;
  aspect-ratio: 1200 / 630;
  overflow: hidden;
  /* Fundo da marca: se a imagem ainda não existe, o card não quebra. */
  background:
    radial-gradient(circle at 78% 18%, rgba(6, 182, 212, 0.28) 0%, rgba(11, 19, 43, 0) 62%),
    linear-gradient(135deg, #14264F 0%, #0B132B 55%, #072B33 100%);
}

.klf-post-capa img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  font-size: 12px;
  color: #72849E; /* alt text legível enquanto o arquivo não existe */
}

.klf-post-cat {
  position: absolute;
  left: 18px;
  bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 999px;
  background: rgba(5, 8, 15, 0.72);
  backdrop-filter: blur(6px);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #67E8F9;
}

.klf-post-corpo {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  flex: 1;
}

.klf-post-titulo {
  font-size: 21px;
  line-height: 1.28;
  font-weight: 700;
  color: #F8FAFC;
  text-wrap: pretty;
}

.klf-post-resumo { font-size: 15px; line-height: 1.6; color: #94A3B8; }

.klf-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 4px;
  font-size: 13px;
  color: #72849E;
}

.klf-post-ler {
  margin-top: auto;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #22D3EE;
}

.klf-post-card:hover .klf-post-ler { color: #67E8F9; }

/* ============================================================================
   BLOG — artigo
   ========================================================================= */

.klf-trilha {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #72849E;
}

.klf-trilha a { color: #72849E; }
.klf-trilha a:hover { color: #22D3EE; text-decoration: none; }
.klf-trilha [aria-current="page"] { color: #94A3B8; }

.klf-artigo-cat {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 7px 14px;
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.08);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #67E8F9;
}

.klf-artigo-h1 {
  margin: 18px 0;
  font-size: clamp(32px, 4.2vw, 50px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: #F8FAFC;
  text-wrap: pretty;
}

.klf-artigo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: #72849E;
}

.klf-artigo-meta a { color: #CBD5E1; font-weight: 600; }
.klf-artigo-meta a:hover { color: #22D3EE; text-decoration: none; }

/* Box de resumo: o formato que sistemas de IA extraem com mais facilidade. */
.klf-resumo {
  margin: 32px 0 0;
  padding: 26px 28px;
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-md, 16px);
  background: linear-gradient(150deg, rgba(29, 78, 216, 0.14) 0%, rgba(6, 182, 212, 0.08) 50%, rgba(11, 19, 43, 0) 100%);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.10);
}

.klf-resumo-rotulo {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #22D3EE;
}

.klf-resumo p {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: #E2E8F0;
}

.klf-artigo-lede {
  margin: 28px 0 0;
  font-size: 19px;
  line-height: 1.62;
  color: #E2E8F0;
}

.klf-secao { padding-top: 48px; }

.klf-secao h2 {
  margin: 0 0 12px;
  font-size: clamp(23px, 2.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: #F8FAFC;
  text-wrap: pretty;
}

/* Primeira frase da seção: autossuficiente e citável fora de contexto. */
.klf-secao-resposta {
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 1.62;
  font-weight: 600;
  color: #CBD5E1;
}

.klf-secao-p {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.7;
  color: #94A3B8;
}

/* --- Figuras ------------------------------------------------------------- */

.klf-figura { margin: 28px 0 0; }

.klf-figura img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md, 16px);
  background:
    radial-gradient(circle at 78% 18%, rgba(6, 182, 212, 0.22) 0%, rgba(11, 19, 43, 0) 62%),
    linear-gradient(135deg, #14264F 0%, #0B132B 55%, #072B33 100%);
  box-shadow: 0 24px 60px rgba(2, 6, 23, 0.5);
  font-size: 13px;
  color: #72849E;
}

.klf-figura figcaption {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.55;
  color: #72849E;
}

/* --- Etapas do método ---------------------------------------------------- */

.klf-etapas {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.klf-etapas li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md, 16px);
  background: rgba(15, 26, 54, 0.6);
}

.klf-etapa-n {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--gradient-brand, linear-gradient(135deg, #1D4ED8 0%, #06B6D4 100%));
  color: #041019;
  font-size: 13px;
  font-weight: 700;
}

.klf-etapa-txt { display: flex; flex-direction: column; gap: 5px; }
.klf-etapa-txt strong { font-size: 16px; font-weight: 600; color: #F1F5F9; }
.klf-etapa-txt span { font-size: 15px; line-height: 1.6; color: #94A3B8; }

/* --- Antes e depois ------------------------------------------------------ */

.klf-antes-depois { margin: 28px 0 0; }

.klf-ilustrativo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.5;
  color: #72849E;
}

/* Nenhum número é apresentado como caso real: o selo diz isso na tela. */
.klf-selo {
  flex: 0 0 auto;
  padding: 4px 12px;
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 999px;
  background: rgba(58, 42, 13, 0.5);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FBBF24;
}

.klf-ad-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.klf-ad-antes,
.klf-ad-depois {
  padding: 22px;
  border-radius: var(--radius-md, 16px);
}

.klf-ad-antes {
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(15, 26, 54, 0.6);
}

.klf-ad-depois {
  border: 1px solid rgba(6, 182, 212, 0.35);
  background: linear-gradient(160deg, rgba(6, 182, 212, 0.12) 0%, rgba(11, 19, 43, 0) 100%);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.14);
}

.klf-ad-rotulo {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #72849E;
}

.klf-ad-depois .klf-ad-rotulo { color: #67E8F9; }

.klf-ad-antes ul,
.klf-ad-depois ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.klf-ad-antes li,
.klf-ad-depois li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.55;
  color: #94A3B8;
}

.klf-ad-depois li { color: #CBD5E1; }

.klf-ad-antes li::before,
.klf-ad-depois li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #334155;
}

.klf-ad-depois li::before { background: #06B6D4; }

/* --- O que está incluído ------------------------------------------------- */

.klf-lista-inclui {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.klf-lista-inclui li {
  position: relative;
  padding: 14px 18px 14px 46px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm, 8px);
  background: rgba(15, 26, 54, 0.45);
  font-size: 15px;
  line-height: 1.6;
  color: #CBD5E1;
}

.klf-lista-inclui li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 19px;
  width: 12px;
  height: 7px;
  border-left: 2px solid #10B981;
  border-bottom: 2px solid #10B981;
  transform: rotate(-45deg);
}

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

.klf-faq { display: flex; flex-direction: column; gap: 14px; }

.klf-faq-item {
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md, 16px);
  background: rgba(15, 26, 54, 0.6);
}

.klf-faq-item h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 600;
  color: #F1F5F9;
}

.klf-faq-item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.68;
  color: #94A3B8;
}

/* --- CTA final ----------------------------------------------------------- */

.klf-cta-artigo {
  margin-top: 52px;
  padding: 36px;
  border: 1px solid rgba(6, 182, 212, 0.32);
  border-radius: var(--radius-lg, 24px);
  background: linear-gradient(150deg, rgba(29, 78, 216, 0.18) 0%, rgba(6, 182, 212, 0.10) 45%, rgba(11, 19, 43, 0) 100%);
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.14);
}

.klf-cta-artigo h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 2.3vw, 30px);
  line-height: 1.22;
  font-weight: 700;
  color: #F8FAFC;
  text-wrap: pretty;
}

.klf-cta-artigo p {
  margin: 0 0 24px;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.62;
  color: #CBD5E1;
}

.klf-cta-acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.klf-cta-acoes a:not(.btn) { font-size: 15px; font-weight: 600; }

/* --- Leia também --------------------------------------------------------- */

.klf-relacionado {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md, 16px);
  background: rgba(15, 26, 54, 0.6);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--duration-base, 220ms),
              transform var(--duration-base, 220ms) var(--ease-standard, ease);
}

.klf-relacionado:hover,
.klf-relacionado:focus-visible {
  color: inherit;
  text-decoration: none;
  border-color: rgba(6, 182, 212, 0.45);
  transform: translateY(-3px);
}

.klf-relacionado:active { transform: translateY(0); opacity: 1; }

.klf-relacionado-cat {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #67E8F9;
}

.klf-relacionado-titulo { font-size: 16px; line-height: 1.35; font-weight: 600; color: #F1F5F9; }
.klf-relacionado-tempo { font-size: 13px; color: #72849E; }

/* ============================================================================
   RODAPÉ
   ========================================================================= */

.footer ul a {
  transition: color var(--duration-base, 220ms) var(--ease-standard, ease);
}

.footer ul a:hover { color: var(--brand-cyan, #06B6D4); text-decoration: none; }
.footer ul a:active { color: var(--cyan-300, #67E8F9); }

.klf-social { display: flex; gap: 12px; }

.klf-social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--surface-border-subtle, rgba(229, 231, 235, 0.12));
  transition: border-color var(--duration-base, 220ms) var(--ease-standard, ease),
              box-shadow var(--duration-base, 220ms) var(--ease-standard, ease),
              transform var(--duration-fast, 150ms) var(--ease-standard, ease);
}

.klf-social a:hover {
  border-color: rgba(6, 182, 212, 0.55);
  box-shadow: var(--glow-cyan, 0 0 24px rgba(6, 182, 212, 0.45));
  transform: translateY(-2px);
}

.klf-social a:active { transform: translateY(0) scale(0.94); }

@media (max-width: 900px) {
  .footer { padding: 56px 24px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer { padding-bottom: 104px; } /* espaço para o botão flutuante */
}