/* Tekhna Solucoes Tecnologicas - folha de estilo compartilhada
   Usada por index.html, privacidade.html e termos.html. */

/* ==========================================================================
   0. FONTE INTER - HOSPEDADA LOCALMENTE
   --------------------------------------------------------------------------
   Arquivos woff2 em fontes/, baixados do Google Fonts (Inter v20, licenca
   SIL Open Font License 1.1). Nada e requisitado a servidor de terceiros.

   Sao 4 pesos (400, 500, 600, 700) x 2 faixas de caracteres. O navegador
   baixa apenas as faixas que a pagina realmente usa: texto em portugues
   aciona so a "latin"; a "latin-ext" fica de reserva para nomes proprios
   com caracteres fora dessa faixa e nao e baixada enquanto nao aparecer um.
   ========================================================================== */

/* --- Inter 400 --- */
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url("fontes/inter-latin-ext-400.woff2") format("woff2");
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:400;
  font-display:swap;
  src:url("fontes/inter-latin-400.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- Inter 500 --- */
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url("fontes/inter-latin-ext-500.woff2") format("woff2");
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:500;
  font-display:swap;
  src:url("fontes/inter-latin-500.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- Inter 600 --- */
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:600;
  font-display:swap;
  src:url("fontes/inter-latin-ext-600.woff2") format("woff2");
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:600;
  font-display:swap;
  src:url("fontes/inter-latin-600.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --- Inter 700 --- */
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:700;
  font-display:swap;
  src:url("fontes/inter-latin-ext-700.woff2") format("woff2");
  unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:700;
  font-display:swap;
  src:url("fontes/inter-latin-700.woff2") format("woff2");
  unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ==========================================================================
   1. TOKENS
   ========================================================================== */
:root{
  /* Cor de marca e derivados */
  --azul-900:#102F53;
  --azul-800:#163D6A;
  --azul-700:#1C4B82;   /* base institucional - cor oficial da marca */
  --azul-500:#2F68AC;
  --azul-300:#93B2D7;
  --azul-100:#E9F0F8;

  /* Alerta (usado nas paginas legais em rascunho) */
  --alerta-fundo:#FFF8E6;
  --alerta-borda:#D98C1F;
  --alerta-texto:#7A4E06;

  /* Neutros */
  --fundo:#FFFFFF;
  --fundo-alt:#F7F9FC;
  --texto:#1A2230;
  --texto-suave:#5A6474;
  --borda:#E2E8F0;
  --branco-suave:#EAF1F8;

  /* Espaçamento */
  --s-1:.5rem;
  --s-2:1rem;
  --s-3:1.5rem;
  --s-4:2.5rem;
  --s-5:4rem;
  --s-6:6rem;

  /* Forma */
  --raio:14px;
  --raio-sm:8px;
  --sombra:0 1px 2px rgba(16,47,83,.04), 0 8px 24px rgba(16,47,83,.06);
  --sombra-forte:0 2px 4px rgba(16,47,83,.06), 0 18px 40px rgba(16,47,83,.12);

  /* Layout */
  --largura:1120px;
  --gutter:clamp(1.25rem, 5vw, 2rem);
  --header-h:72px;

  /* Tipografia fluida */
  --t-hero:clamp(2.5rem, 6vw, 4.5rem);
  --t-secao:clamp(1.75rem, 3.5vw, 2.5rem);
  --t-card:1.25rem;
  --t-corpo:1.0625rem;
  --t-sub:clamp(1.0625rem, 1.6vw, 1.25rem);
  --t-peq:.875rem;
}

/* ==========================================================================
   2. RESET CURTO
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 1rem)}
body,h1,h2,h3,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

body{
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:var(--t-corpo);
  line-height:1.65;
  color:var(--texto);
  background:var(--fundo);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

:focus-visible{outline:3px solid var(--azul-500);outline-offset:3px;border-radius:4px}

/* ==========================================================================
   3. UTILITÁRIOS DE LAYOUT
   ========================================================================== */
.container{width:100%;max-width:var(--largura);margin-inline:auto;padding-inline:var(--gutter)}
.secao{padding-block:clamp(4rem, 9vw, 7rem)}
.secao--alt{background:var(--fundo-alt);border-block:1px solid var(--borda)}
.pular{position:absolute;left:-9999px;top:0;background:var(--azul-700);color:#fff;padding:.75rem 1rem;z-index:200;border-radius:0 0 var(--raio-sm) 0}
.pular:focus{left:0}

/* ==========================================================================
   4. TIPOGRAFIA
   ========================================================================== */
.rotulo{
  display:inline-block;
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--azul-700);
  margin-bottom:var(--s-2);
}
.titulo-secao{
  font-size:var(--t-secao);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-.02em;
  color:var(--azul-900);
  max-width:20ch;
}
.texto-secao{
  margin-top:var(--s-3);
  max-width:62ch;
  color:var(--texto-suave);
  font-size:var(--t-sub);
}

/* ==========================================================================
   5. BOTÕES
   ========================================================================== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  padding:.95rem 1.6rem;
  border-radius:var(--raio-sm);
  font-weight:600;
  font-size:1rem;
  text-decoration:none;
  line-height:1.2;
  transition:background-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn svg{flex:none;transition:transform .2s ease}
.btn:hover svg{transform:translateX(3px)}

.btn--primario{background:var(--azul-700);color:#fff;box-shadow:var(--sombra)}
.btn--primario:hover{background:var(--azul-800);transform:translateY(-2px);box-shadow:var(--sombra-forte)}

.btn--claro{background:#fff;color:var(--azul-900)}
.btn--claro:hover{background:var(--branco-suave);transform:translateY(-2px)}

.btn--contorno{border:1.5px solid var(--borda);color:var(--azul-700);background:#fff}
.btn--contorno:hover{border-color:var(--azul-500);background:var(--azul-100)}

/* ==========================================================================
   6. HEADER
   ========================================================================== */
.header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:100;
  height:var(--header-h);
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.header.rolou{border-bottom-color:var(--borda);box-shadow:0 4px 20px rgba(16,47,83,.05)}
.header__interno{display:flex;align-items:center;justify-content:space-between;gap:var(--s-2)}

.logo{
  display:inline-flex;
  align-items:center;
  color:var(--azul-700);
  text-decoration:none;
}
/* O SVG herda a cor via currentColor e a altura define a largura. */
.logo__svg{display:block;height:32px;width:auto}

.nav__lista{display:flex;align-items:center;gap:var(--s-3)}
.nav__lista a{
  text-decoration:none;
  font-size:.9375rem;
  font-weight:500;
  color:var(--texto-suave);
  padding:.4rem 0;
  transition:color .2s ease;
}
.nav__lista a:hover{color:var(--azul-700)}

/* Botão hambúrguer */
.menu-btn{
  display:none;
  width:44px;height:44px;
  margin-right:-10px;
  place-items:center;
  border-radius:var(--raio-sm);
}
.menu-btn__barras{display:block;position:relative;width:22px;height:2px;background:var(--azul-900);border-radius:2px;transition:background-color .2s ease}
.menu-btn__barras::before,
.menu-btn__barras::after{
  content:"";position:absolute;left:0;width:22px;height:2px;background:var(--azul-900);border-radius:2px;
  transition:transform .25s ease, top .25s ease;
}
.menu-btn__barras::before{top:-7px}
.menu-btn__barras::after{top:7px}
.menu-btn[aria-expanded="true"] .menu-btn__barras{background:transparent}
.menu-btn[aria-expanded="true"] .menu-btn__barras::before{top:0;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .menu-btn__barras::after{top:0;transform:rotate(-45deg)}

/* ==========================================================================
   7. HERO
   ========================================================================== */
.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding-top:calc(var(--header-h) + clamp(3.5rem, 9vw, 7rem));
  padding-bottom:clamp(4rem, 10vw, 8rem);
  background:
    radial-gradient(120% 90% at 88% -10%, var(--azul-100) 0%, rgba(233,240,248,0) 60%),
    linear-gradient(180deg, #FBFCFE 0%, var(--fundo) 70%);
}
.hero__forma{
  position:absolute;
  z-index:-1;
  top:-6%;
  right:-14%;
  width:min(760px, 92vw);
  opacity:.55;
  pointer-events:none;
}
.hero h1{
  font-size:var(--t-hero);
  font-weight:700;
  line-height:1.04;
  letter-spacing:-.035em;
  color:var(--azul-900);
  max-width:16ch;
  text-wrap:balance;
}
.hero__sub{
  margin-top:var(--s-3);
  max-width:60ch;
  font-size:var(--t-sub);
  color:var(--texto-suave);
}
.hero__acoes{margin-top:var(--s-4);display:flex;flex-wrap:wrap;gap:var(--s-2)}
.hero__nota{
  margin-top:var(--s-4);
  display:flex;align-items:center;gap:.6rem;
  font-size:var(--t-peq);
  color:var(--texto-suave);
}
.hero__nota::before{content:"";width:28px;height:2px;background:var(--azul-300);flex:none}

/* ==========================================================================
   8. O QUE FAZEMOS
   ========================================================================== */
.grade-2{display:grid;gap:var(--s-3);margin-top:var(--s-5)}
.bloco{
  padding:var(--s-4) var(--s-3);
  background:var(--fundo);
  border:1px solid var(--borda);
  border-radius:var(--raio);
  border-top:3px solid var(--azul-700);
}
.bloco__num{
  display:block;
  font-size:var(--t-peq);
  font-weight:600;
  letter-spacing:.12em;
  color:var(--azul-300);
  margin-bottom:var(--s-2);
}
.bloco__icone{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--azul-100);
  color:var(--azul-700);
  margin-bottom:var(--s-2);
}
.bloco h3{font-size:var(--t-card);font-weight:600;line-height:1.3;color:var(--azul-900)}
.bloco p{margin-top:.6rem;color:var(--texto-suave)}

/* ==========================================================================
   9. PRODUTOS
   ========================================================================== */
.grade-produtos{
  display:grid;
  /* auto-fill: o layout já comporta o 2º, 3º... card sem alteração de CSS */
  grid-template-columns:repeat(auto-fill, minmax(min(100%, 420px), 1fr));
  gap:var(--s-3);
  margin-top:var(--s-5);
}
.card{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  padding:var(--s-4) var(--s-3);
  background:var(--fundo);
  border:1px solid var(--borda);
  border-radius:var(--raio);
  box-shadow:var(--sombra);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sombra-forte);border-color:var(--azul-300)}
.card__tag{
  font-size:.6875rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--azul-700);background:var(--azul-100);
  padding:.3rem .6rem;border-radius:999px;margin-bottom:var(--s-2);
}
.card h3{
  display:flex;align-items:center;gap:.75rem;
  font-size:clamp(1.375rem,2.4vw,1.75rem);font-weight:700;letter-spacing:-.02em;color:var(--azul-900);
}
/* Cores proprias da marca do produto. O width/height tambem vai como atributo
   no SVG, para o icone nao estourar caso a folha de estilo nao carregue. */
.card__icone{flex:none;width:32px;height:32px}
.card p{margin-top:.75rem;color:var(--texto-suave)}
.card .btn{margin-top:var(--s-3)}

/* ==========================================================================
   10. FAIXA ESCURA (CONTATO)
   ========================================================================== */
.faixa{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background:linear-gradient(135deg, var(--azul-900) 0%, var(--azul-700) 100%);
  color:#fff;
}
.faixa__forma{position:absolute;z-index:-1;right:-8%;bottom:-40%;width:min(560px,80vw);opacity:.16;pointer-events:none}
.faixa .rotulo{color:var(--azul-300)}
.faixa .titulo-secao{color:#fff}
.faixa .texto-secao{color:rgba(255,255,255,.78)}
.faixa .btn{margin-top:var(--s-4)}

/* ==========================================================================
   11. RODAPÉ
   ========================================================================== */
.rodape{padding-block:var(--s-5) var(--s-4);background:var(--fundo);border-top:1px solid var(--borda)}
.rodape__topo{display:grid;gap:var(--s-4)}
.rodape .logo{margin-bottom:var(--s-2)}
.rodape__desc{color:var(--texto-suave);font-size:.9375rem;max-width:36ch}
.rodape__email{
  display:inline-block;margin-top:var(--s-2);
  font-weight:600;color:var(--azul-700);text-decoration:none;
}
.rodape__email:hover{text-decoration:underline}
.rodape h4{
  font-size:.75rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--azul-900);margin-bottom:var(--s-2);
}
.rodape__links li + li{margin-top:.5rem}
.rodape__links a{font-size:.9375rem;color:var(--texto-suave);text-decoration:none}
.rodape__links a:hover{color:var(--azul-700);text-decoration:underline}
.rodape__base{
  margin-top:var(--s-4);padding-top:var(--s-3);
  border-top:1px solid var(--borda);
  display:flex;flex-wrap:wrap;gap:var(--s-1) var(--s-3);
  align-items:center;justify-content:space-between;
  font-size:var(--t-peq);color:var(--texto-suave);
}

/* ==========================================================================
   12. REVELAÇÃO AO ROLAR (só quando o JS assume o controle)
   ========================================================================== */
.js-reveal .revelar{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.js-reveal .revelar.visivel{opacity:1;transform:none}

/* ==========================================================================
   13. BREAKPOINTS
   ========================================================================== */
@media (max-width:767px){
  .menu-btn{display:grid}
  .logo__svg{height:28px}
  .card__icone{width:26px;height:26px}
  .nav{
    position:absolute;
    top:var(--header-h);
    left:0;right:0;
    background:var(--fundo);
    border-bottom:1px solid var(--borda);
    box-shadow:0 12px 28px rgba(16,47,83,.08);
    padding:var(--s-2) var(--gutter) var(--s-3);
    display:none;
  }
  .nav.aberto{display:block}
  .nav__lista{flex-direction:column;align-items:stretch;gap:0}
  .nav__lista li + li{border-top:1px solid var(--borda)}
  .nav__lista a{display:block;padding:.9rem 0;font-size:1rem}
  .hero__acoes .btn{width:100%;justify-content:center}
}

@media (min-width:768px){
  .grade-2{grid-template-columns:1fr 1fr;gap:var(--s-4)}
  .bloco{padding:var(--s-4)}
  .card{padding:var(--s-4)}
  .rodape__topo{grid-template-columns:1.4fr 1fr 1fr;gap:var(--s-5)}
}

@media (min-width:1024px){
  .bloco,.card{padding:var(--s-4) var(--s-4) calc(var(--s-4) + .5rem)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .js-reveal .revelar{opacity:1;transform:none}
}

/* ==========================================================================
   14. PAGINAS DE DOCUMENTO (privacidade.html, termos.html)
   ========================================================================== */
.doc{
  padding-top:calc(var(--header-h) + clamp(2rem, 5vw, 3.5rem));
  padding-bottom:clamp(3.5rem, 8vw, 6rem);
  background:linear-gradient(180deg, #FBFCFE 0%, var(--fundo) 380px);
}

/* --- Aviso de rascunho, no topo da pagina --- */
.doc__aviso{
  display:flex;
  align-items:flex-start;
  gap:.85rem;
  padding:var(--s-3);
  margin-bottom:var(--s-5);
  background:var(--alerta-fundo);
  border:2px solid var(--alerta-borda);
  border-radius:var(--raio);
  color:var(--alerta-texto);
}
.doc__aviso svg{flex:none;margin-top:1px}
.doc__aviso strong{
  display:block;
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  margin-bottom:.35rem;
}
.doc__aviso p{font-size:.9375rem;line-height:1.6;max-width:70ch}

/* --- Cabecalho do documento --- */
.doc__cabecalho{
  max-width:70ch;
  padding-bottom:var(--s-3);
  border-bottom:1px solid var(--borda);
}
.doc__cabecalho h1{
  font-size:clamp(2rem, 4.5vw, 3rem);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.03em;
  color:var(--azul-900);
}
.doc__meta{margin-top:var(--s-2);font-size:var(--t-peq);color:var(--texto-suave)}

/* --- Corpo do texto: coluna unica de leitura --- */
.doc__conteudo{max-width:70ch;margin-top:var(--s-5)}

.doc__conteudo h2{
  margin-top:var(--s-5);
  font-size:clamp(1.25rem, 2.4vw, 1.5rem);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.015em;
  color:var(--azul-900);
}
.doc__conteudo h2:first-child{margin-top:0}
.doc__num{color:var(--azul-300);margin-right:.5rem;font-variant-numeric:tabular-nums}

.doc__conteudo h3{
  margin-top:var(--s-3);
  font-size:1.0625rem;
  font-weight:600;
  color:var(--azul-800);
}
.doc__conteudo p{margin-top:var(--s-2);line-height:1.75}
.doc__conteudo ul{margin-top:var(--s-2);display:grid;gap:.6rem}
.doc__conteudo li{position:relative;padding-left:1.4rem;line-height:1.7}
.doc__conteudo li::before{
  content:"";
  position:absolute;
  left:.25rem;top:.72em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--azul-300);
}
.doc__conteudo a{color:var(--azul-700);text-decoration:underline;text-underline-offset:3px}
.doc__conteudo a:hover{color:var(--azul-500)}
.doc__conteudo strong{font-weight:600;color:var(--azul-900)}

/* --- Bloco de pendencia --- */
.pendente{
  margin-top:var(--s-3);
  padding:var(--s-2) var(--s-3);
  background:var(--alerta-fundo);
  border-left:4px solid var(--alerta-borda);
  border-radius:0 var(--raio-sm) var(--raio-sm) 0;
  color:var(--alerta-texto);
}
.pendente__rotulo{
  display:flex;
  align-items:center;
  gap:.4rem;
  margin-bottom:.35rem;
  font-size:.6875rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.pendente p{margin-top:0;font-size:.9375rem;line-height:1.6;color:var(--alerta-texto)}

/* --- Volta para a home --- */
.doc__voltar{
  max-width:70ch;
  margin-top:var(--s-5);
  padding-top:var(--s-3);
  border-top:1px solid var(--borda);
}
.doc__voltar a{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-weight:600;
  color:var(--azul-700);
  text-decoration:none;
}
.doc__voltar a:hover{text-decoration:underline}
.doc__voltar svg{transition:transform .2s ease}
.doc__voltar a:hover svg{transform:translateX(-3px)}

/* --- Pagina atual destacada no rodape --- */
.rodape__links a[aria-current="page"]{color:var(--azul-700);font-weight:600}