/* ============================================================
   KIOM · tema base (dark) : tokens do KIOM WEBSITE / global.html
   ============================================================ */
:root {
  --bg: #0a0a0a;
  --s1: #141414;
  --s2: #1c1c1c;
  --s3: #242424;
  --b: #282828;
  --b-strong: #3a3a3a;
  --t: #ffffff;
  --t2: #a8a8a8;
  --t3: #6b6b6b;
  --accent: #e8501e;
  --accent-hover: #ff6736;
  --container: 1280px;
  --sans: "Noto Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg);
  color: var(--t);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
}
button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}

/* ---------- header ---------- */
.kh {
  align-items: center;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(10, 10, 10, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  left: 0;
  padding: 0.9rem clamp(1.25rem, 4vw, 2.5rem);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 50;
}
.kh-lang {
  display: flex;
  gap: 0.15rem;
  justify-self: start;
}
.kh-lang button {
  border-radius: 6px;
  color: var(--t3);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.55rem;
  transition: color 0.25s ease, background 0.25s ease;
}
.kh-lang button:hover {
  color: var(--t);
}
.kh-lang button.on {
  background: rgba(255, 255, 255, 0.08);
  color: var(--t);
}
.kh-logo {
  justify-self: center;
}
.kh-logo img {
  height: 26px;
  width: auto;
}
.kh-right {
  align-items: center;
  display: flex;
  gap: 0.9rem;
  justify-self: end;
}
/* ---------- burger ---------- */
.kh-burger {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  height: 36px;
  width: 36px;
}
.kh-burger span {
  background: var(--t);
  border-radius: 2px;
  display: block;
  height: 2px;
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0.28, 1), opacity 0.25s ease;
  width: 20px;
}
.kh-burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.kh-burger.is-open span:nth-child(2) {
  opacity: 0;
}
.kh-burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
/* ---------- menu: segundo header crescendo por trás do primeiro ---------- */
.kh-menu {
  align-items: center;
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  background: rgba(10, 10, 10, 0.52);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  left: 0;
  padding: 4.6rem 1.5rem 1.6rem;
  position: fixed;
  right: 0;
  top: 0;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.32, 0.72, 0.28, 1), visibility 0.5s;
  visibility: hidden;
  z-index: 40;
}
.kh-menu.is-open {
  transform: translateY(0);
  visibility: visible;
}
.kh-menu a {
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.55rem 1.4rem;
  text-align: center;
  transition: color 0.25s ease, background 0.25s ease;
}
.kh-menu a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent);
}
@media (max-width: 640px) {
  .kh-lang {
    display: none;
  }
  .kh-logo {
    grid-column: 2;
  }
  .kh-right {
    grid-column: 3;
  }
  .kh-cta {
    display: none;
  }
}
/* idiomas dentro do menu burger (só mobile) */
.kh-menu-lang {
  display: none;
}
@media (max-width: 640px) {
  .kh-menu-lang {
    display: flex;
    gap: 0.35rem;
    justify-content: center;
    margin-top: 0.7rem;
  }
  .kh-menu-lang button {
    border: 1px solid var(--b-strong);
    border-radius: 8px;
    color: var(--t2);
    font-family: var(--mono);
    font-size: 0.72rem;
    padding: 0.4rem 0.7rem;
  }
  .kh-menu-lang button.on {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    color: var(--t);
  }
}
.kh-cta {
  align-items: center;
  border: 1px solid var(--b-strong);
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.85rem;
  font-weight: 600;
  gap: 0.5rem;
  padding: 0.5rem 1.1rem;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.kh-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- seções pós-jornada ---------- */
.section {
  margin: 0 auto;
  max-width: var(--container);
  padding: clamp(5rem, 10vw, 8rem) clamp(1.25rem, 4vw, 2.5rem);
}
.eyebrow {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(1.9rem, 4.4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.06;
  text-wrap: balance;
}
.section-title em {
  color: var(--accent);
  font-style: normal;
}
.divider {
  background: var(--b);
  height: 1px;
  margin: 2rem 0 3rem;
  position: relative;
}
.divider::before {
  background: var(--accent);
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  top: 0;
  width: 72px;
}

/* ---------- desenvolvimento: galeria elástica 8 etapas ---------- */
.eg {
  display: flex;
  gap: 0.6rem;
  overflow-anchor: none;
  height: clamp(380px, 46vw, 560px);
}
.eg-card {
  align-items: flex-start;
  background-color: var(--s1);
  background-position: center;
  background-size: cover;
  border-radius: 16px;
  cursor: pointer;
  display: flex;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  position: relative;
  transition: flex 0.7s cubic-bezier(0.32, 0.72, 0.28, 1);
}
.eg-media {
  filter: grayscale(1);
  height: 100%;
  inset: 0;
  object-fit: cover;
  position: absolute;
  transition: filter 0.55s ease;
  width: 100%;
}
.eg-card.is-on .eg-media {
  filter: none;
}
.eg-card::after {
  background: linear-gradient(to bottom, rgb(10 10 10 / 0.82) 0%, rgb(10 10 10 / 0.25) 42%, rgb(10 10 10 / 0.12) 100%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 0.5s ease;
}
.eg-card.is-on {
  flex: 4.4;
}
.eg-title {
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  opacity: 0;
  padding: 1.3rem;
  position: relative;
  transform: translateY(10px);
  transition: opacity 0.45s ease 0.18s, transform 0.45s ease 0.18s;
  white-space: nowrap;
  z-index: 2;
}
.eg-card.is-on .eg-title {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 860px) {
  /* modo cinema: um card por vez, o vídeo dita o ritmo das etapas */
  .eg {
    display: block;
    height: auto;
    position: relative;
  }
  .eg-card {
    display: none;
    height: clamp(300px, 62vw, 420px);
    width: 100%;
  }
  .eg-card.is-on {
    animation: eg-fade 0.45s ease;
    display: flex;
  }
  .eg-title {
    opacity: 1;
    transform: none;
    transition: none;
    white-space: normal;
  }
}
@keyframes eg-fade {
  from {
    opacity: 0;
  }
}
/* bolinhas de etapa dentro do card (só mobile) */
.eg-dots {
  display: none;
}
@media (max-width: 860px) {
  .eg-dots {
    bottom: 1rem;
    display: flex;
    gap: 0.45rem;
    justify-content: center;
    left: 0;
    pointer-events: auto;
    position: absolute;
    right: 0;
    z-index: 3;
  }
  .eg-dots span {
    background: rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    height: 7px;
    transition: background 0.3s ease, transform 0.3s ease;
    width: 7px;
  }
  .eg-dots span.on {
    background: var(--accent);
    transform: scale(1.3);
  }
}

/* ---------- números KIOM ---------- */
.num-content {
  align-items: start;
  display: grid;
  gap: clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: 280px 1fr;
}
.num-anos {
  color: var(--accent);
  display: block;
  font-size: clamp(4rem, 9vw, 6.4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}
.num-anos-lbl {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-top: 0.2rem;
  text-transform: uppercase;
}
.num-head-text {
  border-top: 1px solid var(--b);
  color: var(--t2);
  font-size: 0.92rem;
  margin-top: 1.4rem;
  padding-top: 1.4rem;
}
.num-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, 1fr);
}
.num-stat {
  align-items: center;
  background: linear-gradient(180deg, #171717 0%, #0d0d0d 100%);
  border: 1px solid #242424;
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  justify-content: center;
  overflow: hidden;
  padding: 2.6rem 1.4rem 2.3rem;
  position: relative;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
/* Filete de luz no topo do card + halo suave, marca da skin. */
.num-stat::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  content: "";
  height: 1px;
  left: 50%;
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 58%;
}
.num-stat::after {
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.09), transparent 70%);
  border-radius: 50%;
  content: "";
  height: 52px;
  left: 50%;
  pointer-events: none;
  position: absolute;
  top: -26px;
  transform: translateX(-50%);
  width: 72%;
}
.num-stat:hover {
  border-color: #333333;
  transform: translateY(-3px);
}
.num-value {
  background: linear-gradient(180deg, #ffffff 0%, #d8d8d8 55%, #909090 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  font-size: clamp(2.3rem, 3.8vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  white-space: nowrap;
}
.num-value em {
  background: linear-gradient(180deg, #ff8a50 0%, #e8501e 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  font-style: normal;
  margin-right: 0.06em;
}
.num-lbl {
  color: var(--t3);
  font-size: 0.86rem;
  line-height: 1.45;
  max-width: 22ch;
}
@media (max-width: 1024px) {
  .num-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 860px) {
  .num-content {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .num-grid {
    gap: 0.6rem;
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- categorias: grids com larguras variadas, por segmento ---------- */
.catg-group {
  color: var(--t3);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  margin-top: 2.4rem;
  text-transform: uppercase;
}
.catg {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 1.1rem;
}
.catg-row {
  display: flex;
  gap: 0.9rem;
}
.catg-tile {
  align-items: flex-end;
  background: radial-gradient(ellipse 130% 100% at 50% 78%, #4f4f4f 0%, #414141 55%, #353535 100%);
  border: 1px solid #242424;
  border-radius: 16px;
  color: var(--t);
  display: flex;
  flex: var(--w, 1) 1 0;
  font-size: 1.02rem;
  font-weight: 700;
  min-height: clamp(150px, 16vw, 210px);
  min-width: 0;
  overflow: hidden;
  padding: 1.2rem 1.3rem;
  position: relative;
  transition: border-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
}
.catg-tile::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  content: "";
  height: 1px;
  left: 50%;
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 55%;
}
.catg-tile:hover {
  border-color: var(--accent);
  color: var(--t);
  transform: translateY(-3px);
}
/* foto de fundo da categoria: sóbria no repouso, viva no hover */
.catg-img {
  filter: grayscale(0.2);
  height: 100%;
  inset: 0;
  object-fit: cover;
  opacity: 0.9;
  position: absolute;
  transform: scale(1.05);
  transition: opacity 0.45s ease, filter 0.45s ease, transform 0.6s cubic-bezier(0.32, 0.72, 0.28, 1);
  width: 100%;
}
/* hover: a foto cresce por cima da sangria */
.catg-tile:hover .catg-img {
  filter: none;
  opacity: 1;
  transform: scale(1.2);
}
/* leve escurecida na base para o nome respirar sobre a foto */
.catg-tile::after {
  background: linear-gradient(to top, rgb(10 10 10 / 0.75) 0%, transparent 55%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}
.catg-txt {
  line-height: 1.3;
  position: relative;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.7);
  z-index: 2;
}
@media (max-width: 860px) {
  .catg-row {
    flex-wrap: wrap;
  }
  .catg-tile {
    flex: 1 1 calc(33.333% - 0.6rem);
    font-size: 0.82rem;
    min-height: 110px;
    padding: 0.9rem 0.8rem;
  }
}

/* ---------- certificações ---------- */
#numeros {
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
#certificacoes {
  border-bottom: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent) 1;
  padding-bottom: clamp(2.6rem, 5vw, 4rem);
  padding-top: clamp(2.6rem, 5vw, 4rem);
  position: relative;
}
.section-cta {
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  padding-top: clamp(2rem, 4vw, 3rem);
}
.cta-end {
  padding: clamp(1.5rem, 3vw, 2.5rem) clamp(1.5rem, 4vw, 3rem);
}
/* Filete de luz da skin dos cards, agora abrindo a seção. */
#certificacoes::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  content: "";
  height: 1px;
  left: 50%;
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: min(100%, var(--container));
}
#certificacoes::after {
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.07), transparent 70%);
  border-radius: 50%;
  content: "";
  height: 56px;
  left: 50%;
  pointer-events: none;
  position: absolute;
  top: -28px;
  transform: translateX(-50%);
  width: 60%;
}
.cert-inner {
  align-items: center;
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr 1fr;
}
.cert-text h3 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}
.cert-text p {
  color: var(--t2);
  margin-top: 1rem;
}
.cert-logos {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3rem);
  justify-content: flex-end;
  opacity: 0.75;
}
.cert-logo {
  height: 44px;
  width: auto;
}
@media (max-width: 860px) {
  .cert-inner {
    grid-template-columns: 1fr;
  }
  .cert-logos {
    justify-content: flex-start;
  }
}

/* ---------- CTA final ---------- */
.cta-end {
  padding: clamp(3rem, 7vw, 5rem) clamp(1.5rem, 4vw, 3rem);
  text-align: center;
}
.cta-end h2 {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}
.cta-end p {
  color: var(--t2);
  margin: 1.2rem auto 0;
  max-width: 46ch;
}
.cta-end-btn {
  background: var(--accent);
  border-radius: 999px;
  color: #fff;
  display: inline-block;
  font-weight: 600;
  margin-top: 2rem;
  padding: 0.95rem 2.2rem;
  transition: background 0.25s ease, transform 0.25s ease;
}
.cta-end-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* ---------- pill flutuante de WhatsApp ---------- */
.wa-float {
  overflow: hidden;
  align-items: center;
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  background: rgba(16, 16, 16, 0.82);
  border: 1px solid #333333;
  border-radius: 999px;
  bottom: 1.4rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
  color: #fff;
  display: flex;
  gap: 0.6rem;
  padding: 0.8rem 1.35rem;
  position: fixed;
  right: 1.4rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  z-index: 60;
}
.wa-float svg {
  color: #25d366;
  flex-shrink: 0;
  height: 22px;
  width: 22px;
}
.wa-float span {
  font-size: 0.9rem;
  font-weight: 600;
}
.wa-float:hover {
  border-color: rgba(37, 211, 102, 0.7);
  box-shadow: 0 14px 34px rgba(37, 211, 102, 0.22);
  transform: translateY(-3px);
}
@media (max-width: 640px) {
  .wa-float {
    border-radius: 50%;
    height: 56px;
    justify-content: center;
    padding: 0;
    width: 56px;
  }
  .wa-float span {
    display: none;
  }
  .wa-float svg {
    height: 26px;
    width: 26px;
  }
}

/* ---------- footer ---------- */
.footer {
  background: var(--s1);
  border-top: 1px solid var(--b);
  padding: clamp(3.5rem, 7vw, 5rem) clamp(1.25rem, 4vw, 2.5rem) 2.5rem;
}
.footer-inner {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1.2fr 1fr;
  margin: 0 auto;
  max-width: var(--container);
}
.footer-logo img {
  height: 30px;
  width: auto;
}
.footer-row {
  align-items: center;
  color: var(--t2);
  display: flex;
  font-size: 0.92rem;
  gap: 0.6rem;
  margin-top: 1.1rem;
}
.footer-row .label-r {
  color: var(--t3);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  min-width: 5.4rem;
  text-transform: uppercase;
}
.footer-row .ico svg {
  display: block;
  height: 16px;
  width: 16px;
}
.footer-row a:hover {
  color: var(--accent);
}
.footer-office h5 {
  color: var(--t3);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}
.footer-office p {
  color: var(--t2);
  font-size: 0.88rem;
  line-height: 1.6;
}
.footer-office p + p {
  margin-top: 0.5rem;
}
.footer-office .cn {
  color: var(--t3);
}
.footer-office + .footer-office {
  margin-top: 1.8rem;
}
.footer-nota {
  border-top: 1px solid var(--b);
  color: var(--t3);
  font-size: 0.78rem;
  margin: 3rem auto 0;
  max-width: var(--container);
  padding-top: 1.5rem;
}
@media (max-width: 860px) {
  .footer {
    padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem) 1.8rem;
  }
  .footer-inner {
    gap: 1.8rem;
    grid-template-columns: 1fr;
  }
  .footer-office + .footer-office {
    margin-top: 1.2rem;
  }
  .footer-nota {
    margin-top: 1.8rem;
    padding-top: 1.2rem;
  }
}


/* ============================================================
   MOBILE · escala reduzida e comportamento de toque
   ============================================================ */
@media (max-width: 640px) {
  .section {
    padding: 3.2rem 1.25rem;
  }
  .eyebrow {
    font-size: 0.66rem;
    letter-spacing: 0.16em;
  }
  .section-title {
    font-size: 1.45rem;
  }
  .divider {
    margin: 1.4rem 0 2rem;
  }
  .num-anos {
    font-size: 3rem;
  }
  .num-anos-lbl {
    font-size: 1rem;
  }
  .num-head-text {
    font-size: 0.82rem;
  }
  .num-stat {
    border-radius: 14px;
    gap: 0.4rem;
    padding: 1.4rem 0.7rem 1.2rem;
  }
  .num-value {
    font-size: 1.45rem;
  }
  .num-lbl {
    font-size: 0.7rem;
  }
  .eg-title {
    font-size: 0.98rem;
    padding: 0.9rem 1rem;
  }
  .cta-end h2 {
    font-size: 1.4rem;
  }
  .cta-end p {
    font-size: 0.88rem;
  }
  .footer-inner {
    gap: 2rem;
  }
}

/* toque: hover não pode grudar; solta o dedo, volta ao normal */
@media (hover: none) {
  .catg-tile:hover {
    border-color: #242424;
    color: var(--t);
    transform: none;
  }
  .catg-tile:hover .catg-img {
    filter: grayscale(0.2);
    opacity: 0.9;
    transform: scale(1.05);
  }
  .num-stat:hover {
    border-color: #242424;
    transform: none;
  }
  .wa-float:hover {
    border-color: #333333;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
    transform: none;
  }
  .kh-menu a:hover {
    background: none;
    color: inherit;
  }
  .kh-lang button:hover,
  .kh-menu-lang button:hover {
    color: var(--t2);
  }
}


/* ---------- animação da pill do WhatsApp ---------- */
@media (prefers-reduced-motion: no-preference) {
  /* entrada: sobe e acende logo depois do load */
  .wa-float {
    animation: wa-enter 0.8s cubic-bezier(0.22, 0.61, 0.28, 1) 1s backwards;
  }
  /* varredura de brilho periódica, o mesmo motivo do filete de luz */
  .wa-float::before {
    animation: wa-shine 6s ease-in-out 2.4s infinite;
    background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.16) 50%, transparent 70%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
    transform: translateX(-130%);
  }
  /* respiração verde discreta no ícone */
  .wa-float svg {
    animation: wa-glow 3.4s ease-in-out 1.8s infinite;
    position: relative;
  }
}
@keyframes wa-enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
}
@keyframes wa-shine {
  0% {
    transform: translateX(-130%);
  }
  16% {
    transform: translateX(130%);
  }
  100% {
    transform: translateX(130%);
  }
}
@keyframes wa-glow {
  0%,
  100% {
    filter: drop-shadow(0 0 0 rgba(37, 211, 102, 0));
  }
  50% {
    filter: drop-shadow(0 0 7px rgba(37, 211, 102, 0.6));
  }
}

/* ---------- nav desktop: discreta, família do seletor de idiomas ---------- */
.kh-nav { display: flex; gap: 0.15rem; }
.kh-nav a { border-radius: 6px; color: var(--t3); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; padding: 0.35rem 0.55rem; text-transform: uppercase; transition: color 0.25s ease, background 0.25s ease; }
.kh-nav a:hover { color: var(--t); }
.kh-nav a.on { background: rgba(255, 255, 255, 0.08); color: var(--t); }
@media (max-width: 1024px) { .kh-nav { display: none; } }
@media (min-width: 1025px) { .kh-burger { display: none; } }