html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================
   VARIÁVEIS GLOBAIS
========================= */
:root {
  /* CORES */
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-primary: #646464;
  --color-secondary: #646464;

  /* HEADER */
  --header-bg: transparent;
  --header-bg-scroll: #ffffff;

  /* TEXOS HEADER */
  --header-text: #ffffff;
  --header-text-scroll: #000000;

  /* SOMBRA */
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.2);

  /* TAMANHOS */
  --header-height: 90px;
  --container-width: 1200px;
}

/* =========================
   RESET
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================
   BODY
========================= */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: 'Poppins', sans-serif;
}

.menu-toggle {
  display: none;
}

nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);

  width: auto;
  height: auto;

  background: transparent;
  display: block;
}

nav ul {
  display: flex;
  flex-direction: row;
  gap: 40px;
}

@media (min-width: 901px) {

  nav {
    right: auto;
    top: auto;
    height: auto;
  }

}

.lang-switch {
  display: flex;
  gap: 10px;
}

.lang-switch button {
  display: flex;
  align-items: center;
  gap: 5px;

  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 5px 8px;
  border-radius: 20px;

  cursor: pointer;
  color: #fff;
  font-size: 12px;

  transition: 0.3s;
}

.lang-switch button:hover {
  background: rgba(255,255,255,0.2);
}

.lang-switch img {
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

/* =========================
   HEADER
========================= */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--header-bg);
  z-index: 1000;
  transition: 0.3s;
}

/* HEADER AO ROLAR */
header.scrolled {
  background: var(--color-bg); /* mantém preto */
  height: 70px; /* menor ao rolar */
  box-shadow: var(--shadow);
}

header.scrolled {
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.85);
}

header {
  transition: all 0.3s ease;
}

header.scrolled .logo img {
  height: 45px;
}

/* =========================
   CONTAINER
========================= */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  height: 100%;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 20px;
}

.logo {
  flex: 1;
}

nav {
  flex: 2;
  display: flex;
  justify-content: center;
}

.lang-switch {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* =========================
   LOGO
========================= */
.logo img {
  height: 45px;
  width: auto;
  display: block;
}

/* MENU */
nav ul {
  display: flex;
  flex-direction: column;
  align-items: center; /* centraliza os itens */
  gap: 25px;
}


/* LINKS */
nav a {
  color: var(--header-text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: 0.3s;
}

/* HOVER */
nav a:hover {
  color: var(--color-primary);
}


/* COR AO ROLAR */
header.scrolled nav a {
  color: var(--header-text);
}

/* =========================
   ESPAÇO HEADER
========================= */
.spacer {
  height: var(--header-height);
}

/* CONTAINER HEADER */
.container {
  position: relative;
}

/* LANG SWITCH - DIREITA */
.lang-switch {
  position: absolute;
  right: 20px;
  display: flex;
  gap: 10px;
  align-items: center;
}

/* BOTÕES */
.lang-switch button {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  color: #fff;
  font-size: 12px;
}

/* ÍCONES (BANDEIRAS) */
.lang-switch img {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  object-fit: cover;
}

.lang-switch {
  top: 50%;
  transform: translateY(-50%);
}

/* HOVER */
.lang-switch button:hover {
  opacity: 0.7;
}

/* HERO */
.hero {
  width: 100%;
  height: 100vh;

  display: flex;
  align-items: center;
  justify-content: center;
}

/* GRID */
.hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;

  width: 90%;
  max-width: 1400px;
}

/* BLOCO DO VÍDEO */
.hero-item {
  position: relative;
  width: 100%;

  /* PROPORÇÃO VERTICAL (ESSA É A CHAVE) */
  aspect-ratio: 9 / 16;

  overflow: hidden;
  border-radius: 8px;
}

/* VÍDEO */
.hero-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* SEÇÃO BRANCA */
.about {
  background: var(--color-bg);
  padding: 120px 20px;
}

/* CONTAINER */
.about-container {
  max-width: 1200px;
  margin: 0 auto;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

/* IMAGEM */
.about-image img {
  width: 100%;
  max-width: 600px;
  height: auto;
}
.about-image {
  margin-left: -120px;
}

.about-content {
  max-width: 500px;
}

/* TAG PEQUENA */
.about-tag {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-text);
  margin-bottom: 10px;
  display: block;
}

/* TÍTULO FORTE */
.about-content h3 {
  font-size: 28px;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #ffffff;
}

/* TEXTO */
.about-content p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 15px;
}

/* CONTAINER DIFERENCIAIS */
.diferenciais-container {
  max-width: 1100px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 quadrados por linha */
  gap: 40px; /* espaço entre quadrados */
  justify-items: center;
  text-align: center;
}

/* ITEM QUADRADO */
.item {
  width: 250px;              /* largura fixa */
  aspect-ratio: 1 / 1;       /* garante quadrado perfeito */
  border: 2px solid var(--color-primary);
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: 0.3s;
}

/* HOVER */
.item:hover {
  border-color: #ffffff;
  transform: translateY(-5px);
}

/* ÍCONE */
.item img {
  width: 60px;
  margin-bottom: 20px;
  opacity: 0.9;
}

/* TEXTO */
.item p {
  color: #fff;
  font-size: 16px;
  line-height: 1.5;
}

/* RESPONSIVO */
@media (max-width: 900px) {
  .diferenciais-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .diferenciais-container {
    grid-template-columns: 1fr;
  }
}

.mv-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;

    max-width: 1200px;
    margin: 180px auto 120px auto;
    padding: 0 40px;

    background: #000;
    color: #fff;
}

/* Blocos padrão (Missão, Visão, Valores) */
.mv-block {
    display: flex;
    align-items: center;
    gap: 30px;
}

/* Títulos verticais */
.mv-vertical {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 60px;
    font-weight: bold;
    color: #ccc;
    letter-spacing: 5px;
    min-width: 60px;
}

/* Texto */
.mv-text {
    max-width: 500px;
    line-height: 1.8;
    font-size: 16px;
}

.mv-text p {
    margin-bottom: 12px;
}

.mv-values {
    grid-column: 1 / -1;

    display: flex;
    align-items: center; /* igual aos outros blocos */
    gap: 30px;
}

/* Container interno (texto + logo) */
.mv-text-logo {
    display: flex;
    justify-content: space-between;
    align-items: center; /* <-- chave do alinhamento */
    gap: 40px;
    width: 100%;
}

/* Texto mantém padrão dos outros */
.mv-text {
    max-width: 500px;
    line-height: 1.8;
    font-size: 16px;
}

/* Logo */
.mv-logo {
    display: flex;
    align-items: center; /* <-- alinha com o centro do texto */
    justify-content: flex-end;
    max-width: 500px;
}

.mv-logo img {
    width: 100%;
    max-width: 450px;
    padding: 0 20px 0 0;
}

/* TÍTULO CENTRALIZADO DA SEÇÃO */
.solucoes-titulo {
  color: #ffffff;
  font-size: 32px;
  text-align: center;
  margin-bottom: 60px; /* separa do grid */
  letter-spacing: 1px;
}

/* SEÇÃO SOLUÇÕES */
.solucoes-integradas {
  background: var(--color-bg); /* fundo preto */
  padding: 100px 20px;
}


/* CONTAINER GRID */
.container-solucoes {
  max-width: 1100px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2 colunas por linha */
  gap: 40px; /* espaçamento entre itens */
  text-align: center;
}

/* ITEM DE SOLUÇÃO */
.solucao-item {
  border: 2px solid var(--color-primary);
  border-radius: 15px;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transition: 0.3s;
  min-height: 300px; /* altura uniforme */
}

/* HOVER */
.solucao-item:hover {
  border-color: #ffffff;
  transform: translateY(-5px);
}



/* TÍTULO */
.solucao-item h4 {
  color: #fff;
  font-size: 20px;
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* TEXTO */
.solucao-item p {
  color: #fff;
  font-size: 16px;
  line-height: 1.6;
}

/* SEÇÃO MERCADOS */
.mercados {
  background: var(--color-bg);
  padding: 100px 20px;
}

/* CONTAINER PRINCIPAL - GRID 2 COLUNAS */
.mercados-container {
  max-width: 1100px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1fr 2fr; /* título 1/3 e texto 2/3 */
  gap: 40px;
  align-items: center;
}

/* TÍTULO */
.mercados-title h3 {
  color: #ffffff;
  font-size: 70px;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1;
  text-align: right;
}

/* TEXTO */
.mercados-texto p {
  color: #fff;
  font-size: 16px;
  line-height: 1.7;
}

/* CARROSSEL */
.mercados-carrossel {
  position: relative;
  padding: 40px 0;
  width: 100%;
  overflow: hidden;
}

/* TRACK */
.slider-container {
  overflow: hidden;
}

.slider-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s ease;
}

/* ITENS */
.slider-item {
  flex: 0 0 25%;  /* 4 imagens por vez em desktop */
  height: 280px;   /* altura suficiente para não esticar */
  border-radius: 12px;
  overflow: hidden;
}

.slider-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  
  width: 50px;   /* largura fixa */
  height: 50px;  /* altura fixa -> garante círculo */
  display: flex; /* flex para centralizar o ícone */
  align-items: center;
  justify-content: center;

  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.3);
  font-size: 24px;
  cursor: pointer;
  z-index: 10;
  border-radius: 50%; /* círculo perfeito */
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}

.slider-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  color: #000000;
  border-color: rgba(255,255,255,0.5);
}

.slider-arrow.left {
  left: 10px;
}

.slider-arrow.right {
  right: 10px;
}

/* FORMULÁRIO PROFISSIONAL */
.contato-formulario {
  background: #000;
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.container-formulario {
  max-width: 700px;
  margin: 0 auto;
}

.contato-formulario h4 {
  font-size: 26px;
  margin-bottom: 30px;
  color: #fff;
  letter-spacing: 1px;
}

.contato-formulario form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: flex;
  gap: 20px;
}

.form-row input {
  flex: 1;
}

/* INPUTS E TEXTAREA */
.contato-formulario input,
.contato-formulario textarea {
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.3);
  background: #111;
  color: #fff;
  font-size: 14px;
  transition: all 0.3s ease;
}

.contato-formulario input:focus,
.contato-formulario textarea:focus {
  border-color: #fff;
  background: #222;
  outline: none;
}

/* TEXTAREA */
.contato-formulario textarea {
  resize: vertical;
  min-height: 120px;
}

/* BOTÃO */
.contato-formulario button {
  padding: 14px;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, #646464, #999);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.contato-formulario button:hover {
  background: linear-gradient(135deg, #fff, #ccc);
  color: #000;
}

/* LINHA SEPARADORA */
.linha-footer {
  border: none;
  height: 1px;
  background: #fff;
  margin: 0;
}

/* RODAPÉ ESTILO GOOGLE */
.footer-google {
  background: #000;
  color: #fff;
  padding: 50px 20px;
  font-family: 'Poppins', sans-serif;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo img {
  width: 200px; /* tamanho da logo */
  height: auto;
  margin-bottom: 20px;
}
.footer-social {
  margin-top: 5px;
  display: flex;
  align-items: center;
}

.footer-social a {
  display: flex;
  align-items: center;
  gap: 8px;

  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

/* ÍCONE */
.footer-social img {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
}

/* TEXTO */
.footer-social span {
  display: block;
  line-height: 18px; /* igual à altura do ícone */
}

.footer-social a:hover {
  opacity: 0.7;
}

.footer-social img {
  transform: translateY(2px);
}

.footer-info {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-col h5 {
  font-size: 16px;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.6;
}


/* RODAPÉ INFERIOR */
.footer-bottom {
  text-align: center;
  margin-top: 50px;
  font-size: 13px;
  opacity: 0.7;
}

/* RESPONSIVO */
@media (max-width: 900px) {
  .footer-top {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .footer-info {
    flex-direction: column;
    gap: 25px;
    align-items: center;
  }

  .footer-logo img {
    margin-bottom: 30px;
  }
}

/* RESPONSIVO */
@media (max-width: 900px) {
  .slider-item {
    flex: 0 0 50%;  /* 2 imagens por vez */
    height: 220px;
  }
}

@media (max-width: 500px) {
  .slider-item {
    flex: 0 0 100%; /* 1 imagem por vez */
    height: 180px;
  }
}

/* RESPONSIVO */
@media (max-width: 900px) {
  .mercados-container {
    grid-template-columns: 1fr; /* empilha título e texto */
    gap: 20px;
    text-align: center;
  }

  .carrossel-item {
    width: 250px;
    height: 150px;
  }
}

@media (max-width: 500px) {
  .carrossel-item {
    width: 200px;
    height: 130px;
  }
}

/* RESPONSIVO */
@media (max-width: 900px) {
  .container-solucoes {
    grid-template-columns: 1fr; /* empilha os itens em mobile */
  }
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .mv-section {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .mv-vertical {
        position: static;
        transform: none;
        margin-bottom: 10px;
        font-size: 32px;
    }

    .mv-values {
        grid-column: span 1;
    }

    .mv-logo img {
        width: 700px;
    }
}


@media (max-width: 900px) {
  .diferenciais-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .diferenciais-container {
    grid-template-columns: 1fr;
  }
}


@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .about-container {
    flex-direction: column;
    text-align: center;
  }

  .about-image img {
    max-width: 100%;
  }
}

section {
  scroll-margin-top: 100px;
}

/* =========================
   MOBILE GERAL
========================= */
@media (max-width: 900px) {

  /* HERO */
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* SOBRE */
  .about-container {
    flex-direction: column;
    text-align: center;
  }

  .about-image {
    margin-left: 0;
  }

  /* DIFERENCIAIS */
  .item {
    width: 200px;
  }

  /* SOLUÇÕES */
  .container-solucoes {
    grid-template-columns: 1fr;
  }

  /* MERCADOS */
  .mercados-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mercados-title h3 {
    text-align: center;
    font-size: 50px;
  }

  /* FORM */
  .form-row {
    flex-direction: column;
  }

}

@media (max-width: 900px) {

  .lang-switch {
    position: static;
    justify-content: center;
    margin-top: 30px;
  }

}

nav {
  align-items: center;
}


/* =========================
   MOBILE COMPLETO
========================= */
@media (max-width: 900px) {

  nav {
    padding-top: 25px; /* 🔥 desce tudo */
  }

}

@media (max-width: 900px) {

  /* RESET NAV DESKTOP */
  nav {
  position: fixed;
  top: 0;
  right: -100%;
  left: auto;
  transform: none;

  width: 100%;
  height: 100vh;

  background: rgba(0, 0, 0, 0.95);

  display: flex;
  flex-direction: column; /* 🔥 ESSENCIAL */
  /*justify-content: center;*/
  align-items: center;

  transition: right 0.3s ease;
  z-index: 1000;
}

  nav.active {
    right: 0;
  }

  nav ul {
    flex-direction: column;
    gap: 30px;
  }

  nav a {
    font-size: 22px;
  }

  /* BOTÃO MENU */
  .menu-toggle {
    display: block;
    position: absolute;
    right: 20px;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    z-index: 1100;
  }

  /* HEADER AJUSTE */
  .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  /* HERO */
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* SOBRE */
  .about-container {
    flex-direction: column;
    text-align: center;
  }

  .about-image {
    margin-left: 0;
  }

  /* DIFERENCIAIS */
  .diferenciais-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .item {
    width: 100%;
    max-width: 220px;
  }

  /* MISSÃO VISÃO VALORES */
  .mv-section {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .mv-block {
    flex-direction: column;
    text-align: center;
  }

  .mv-vertical {
    writing-mode: initial;
    transform: none;
    font-size: 28px;
    letter-spacing: 2px;
  }

  .mv-text-logo {
    flex-direction: column;
    gap: 20px;
  }

  .mv-logo img {
    max-width: 250px;
  }

  /* SOLUÇÕES */
  .container-solucoes {
    grid-template-columns: 1fr;
  }

  /* MERCADOS */
  .mercados-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .mercados-title h3 {
    text-align: center;
    font-size: 50px;
  }

  /* CARROSSEL */
  .slider-item {
    flex: 0 0 50%;
    height: 220px;
  }

  /* FORM */
  .form-row {
    flex-direction: column;
  }
  

}

@media (max-width: 900px) {

  .hero {
    margin-top: 90px; /* altura do header */
  }

}

.menu-logo {
  display: none;
}

@media (max-width: 900px) {

  .menu-logo {
  display: block;
  text-align: center;
  margin-bottom: 100px; /* espaço entre logo e menu */
}

.menu-logo img {
  width: 210px;
  height: auto;
}

}
/* MOBILE MENOR */
@media (max-width: 600px) {

  .hero {
  height: auto;
  padding: 40px 20px;
  }

  .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  }

  .hero-item {
  aspect-ratio: 9 / 16; /* muda de vertical pra horizontal */
  border-radius: 10px;
  }

  .diferenciais-container {
    grid-template-columns: 1fr;
  }

  .item {
    max-width: 280px;
  }

  .mercados-title h3 {
    font-size: 40px;
  }

  .slider-item {
    flex: 0 0 100%;
    height: 200px;
  }

}

/* =========================
   CORREÇÃO DESKTOP MENU
========================= */
@media (min-width: 901px) {

  nav {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%); /* 🔥 chave aqui */
  top: 50%; /* 🔥 centraliza verticalmente */
}

  nav ul {
    display: flex;
    flex-direction: row !important; /* 🔥 FORÇA VOLTAR */
    gap: 40px;
    align-items: center;
  }

  nav li {
    list-style: none; /* remove bolinhas */
  }

}


/* CONTROLE DE VISIBILIDADE DE IDIOMA */
.desktop-only { display: flex; }
.mobile-only { display: none; }

@media (max-width: 900px) {
  .desktop-only { display: none !important; }
  .mobile-only {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 30px;
  }

  /* Menu mobile */
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 25px;
    transition: right 0.3s ease;
    z-index: 1000;
  }

  nav.active { right: 0; }

  nav ul { 
    flex-direction: column;
    gap: 30px;
    margin: 0;
    padding: 0;
  }

  nav ul a {
    font-size: 22px;
    text-align: center;
  }

  .menu-logo { 
    display: block; 
    margin-bottom: 100px; 
    text-align: center; 
  }
  .menu-logo img { width: 210px; height: auto; }

  .menu-toggle {
    display: block;
    position: absolute;
    right: 20px;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    z-index: 1100;
  }
}

/* Desktop: força links em linha */
@media (min-width: 901px) {
  nav { 
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  nav ul {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: center;
  }
}

@media (max-width: 900px) {
  nav .mobile-only {
    display: flex !important;
    flex-direction: row;      /* alinhar horizontalmente */
    justify-content: center;  /* centraliza horizontalmente */
    align-items: center;      /* alinhamento vertical */
    gap: 20px;                /* espaço entre os botões */
    margin-top: 30px;         /* distância abaixo dos links do menu */
    width: 100%;              /* ocupa toda a largura do menu */
  }

  nav .mobile-only button {
    width: auto;              /* tamanho natural do botão */
    max-width: 100px;         /* opcional: limitar tamanho */
  }
}