:root{
    /* paleta oficial — Manual de Marca v2.0 */
    --jato:#2C8DD5;
    --profundo:#0E2238;
    --tecnico:#1F6FAE;
    --grafite:#1C2A38;
    --nevoa:#BEBEBE;
    --neve:#FFFFFF;
    --gelo:#F2F4F6;
    --cinza:#5A6878;
    --azulgelo:#6FB6EA;

    --head:'Poppins',system-ui,sans-serif;
    --body:'DM Sans','Helvetica Neue',Arial,sans-serif;

    --r-card:14px;
    --r-img:14px;
    --maxw:1200px;
  }

  *{box-sizing:border-box;}
  html{background:var(--profundo);scroll-behavior:smooth;}
  body{margin:0;background:var(--neve);color:var(--grafite);font-family:var(--body);font-size:16px;line-height:1.6;overflow-x:hidden;}
  /* impede que elementos esperando a animação alarguem a página no celular */
  @supports (overflow:clip){ html,body{overflow-x:clip;} }
  section{overflow-x:clip;}
  img{max-width:100%;}
  a{color:var(--tecnico);}
  a:hover{color:var(--jato);}

  .wrap{max-width:var(--maxw);margin:0 auto;padding-inline:20px;}
  @media (min-width:768px){ .wrap{padding-inline:40px;} }
  .sec{padding-block:72px;}
  @media (min-width:768px){ .sec{padding-block:96px;} }

  /* ---------- tipografia (Poppins títulos / DM Sans corpo) ---------- */
  .display{font-family:var(--head);font-style:italic;font-weight:800;font-size:clamp(30px,4.6vw,54px);line-height:1.05;letter-spacing:-.01em;text-transform:uppercase;margin:0 0 18px;text-wrap:balance;}
  .h1{font-family:var(--head);font-weight:700;font-size:clamp(30px,3.7vw,44px);line-height:1.12;letter-spacing:-.005em;margin:0 0 20px;text-wrap:balance;}
  .h2{font-family:var(--head);font-weight:700;font-size:clamp(25px,2.9vw,34px);line-height:1.2;margin:0 0 18px;text-wrap:balance;}
  .h3{font-family:var(--head);font-weight:600;font-size:20px;line-height:1.3;margin:0 0 8px;}
  .sub{font-family:var(--head);font-weight:400;font-size:clamp(17px,1.7vw,20px);line-height:1.55;margin:0 0 28px;max-width:56ch;}
  .body{font-size:16px;line-height:1.6;margin:0 0 18px;max-width:62ch;}
  .small{font-size:14px;line-height:1.55;}
  .label{font-family:var(--head);font-weight:600;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--jato);margin:0 0 14px;}
  .data{font-family:var(--head);font-weight:600;font-variant-numeric:tabular-nums;}

  .on-dark{color:var(--neve);}
  .on-dark .body{color:var(--nevoa);}
  .on-dark .label{color:var(--azulgelo);}
  .txt-cinza{color:var(--cinza);}

  /* ---------- botões ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    min-height:48px;padding:10px 30px;border:none;border-radius:999px;text-align:center;line-height:1.25;
    background:var(--jato);color:var(--profundo);
    font-family:var(--head);font-weight:600;font-size:15px;letter-spacing:.04em;text-transform:uppercase;
    cursor:pointer;transition:background .25s ease,box-shadow .25s ease;
  }
  .btn:hover{background:var(--azulgelo);color:var(--profundo);box-shadow:0 8px 24px rgba(44,141,213,.34);animation:tremida .45s ease;}
  .btn:focus-visible{outline:3px solid var(--azulgelo);outline-offset:3px;}
  .btn-ghost{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    min-height:48px;padding:10px 28px;border-radius:999px;cursor:pointer;text-align:center;line-height:1.25;
    background:transparent;border:1.5px solid var(--tecnico);color:var(--tecnico);
    font-family:var(--head);font-weight:600;font-size:14px;letter-spacing:.04em;text-transform:uppercase;
    transition:background .25s ease,color .25s ease,border-color .25s ease;
  }
  .btn-ghost:hover{background:var(--tecnico);color:var(--neve);animation:tremida .45s ease;}
  .btn-ghost:focus-visible{outline:3px solid var(--jato);outline-offset:3px;}
  .on-dark .btn-ghost{border-color:var(--azulgelo);color:var(--azulgelo);}
  .on-dark .btn-ghost:hover{background:var(--azulgelo);color:var(--profundo);}
  @keyframes tremida{
    10%,90%{transform:translateX(-1px);}
    20%,80%{transform:translateX(2px);}
    30%,50%,70%{transform:translateX(-3px);}
    40%,60%{transform:translateX(3px);}
  }

  /* ---------- navegação ---------- */
  .nav{
    position:fixed;top:0;left:0;right:0;z-index:40;
    display:flex;align-items:center;justify-content:space-between;gap:24px;
    padding:18px 20px;transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
  }
  @media (min-width:768px){ .nav{padding:22px 40px;} }
  .nav.solid{background:rgba(14,34,56,.94);backdrop-filter:blur(8px);padding-block:12px;box-shadow:0 1px 0 rgba(190,190,190,.2);}
  /* logo oficial — versão negativa (branca), conforme o manual.
     A área de proteção pedida no manual vem do padding ao redor. */
  .logo{display:inline-flex;align-items:center;padding:6px 10px 6px 0;}
  .logo img{display:block;height:34px;width:auto;transition:height .3s ease;}
  @media (max-width:640px){ .logo img{height:28px;} }
  .nav.solid .logo img{height:30px;}
  @media (max-width:640px){ .nav.solid .logo img{height:26px;} }
  .navlinks{display:none;gap:26px;list-style:none;margin:0;padding:0;}
  @media (min-width:980px){ .navlinks{display:flex;} }
  .navlinks a{font-family:var(--head);font-weight:500;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.82);text-decoration:none;transition:color .2s ease;}
  .navlinks a:hover{color:var(--azulgelo);}
  .burger{width:44px;height:44px;border-radius:999px;border:1.5px solid rgba(255,255,255,.5);background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;}
  @media (min-width:980px){ .burger{display:none;} }
  .burger span{width:18px;height:2px;background:var(--neve);}

  /* ---------- dobra 1 — hero glacial ---------- */
  .hero{
    position:relative;overflow:hidden;display:flex;align-items:center;
    min-height:clamp(560px,88vh,820px);
    background:linear-gradient(135deg,#0E2238 0%,#14385C 38%,#1F6FAE 72%,#2C8DD5 100%);
  }
  .hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
  /* sobreposição a 135° (ângulo do manual): escurece onde está o texto e libera o vídeo à direita */
  .hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;z-index:1;
    background:
      linear-gradient(135deg, rgba(14,34,56,.95) 0%, rgba(14,34,56,.86) 36%, rgba(31,111,174,.42) 66%, rgba(44,141,213,.08) 100%),
      linear-gradient(180deg, rgba(14,34,56,0) 58%, rgba(14,34,56,.72) 86%, #0E2238 100%);
  }
  /* no celular a imagem é cortada na vertical e fica mais aproximada: escurece mais */
  @media (max-width:767px){
    .hero::after{
      background:
        linear-gradient(180deg, rgba(14,34,56,.9) 0%, rgba(14,34,56,.82) 45%, rgba(14,34,56,.94) 100%),
        linear-gradient(135deg, rgba(14,34,56,.5) 0%, rgba(31,111,174,.28) 100%);
    }
  }
  .hero > .wrap{position:relative;z-index:2;width:100%;}
  .hero-text{max-width:580px;padding-block:130px 110px;}
  @media (max-width:900px){ .hero-text{padding-block:120px 80px;} }
  .hero .h1{color:var(--neve);}
  .hero .h1 em{font-style:normal;color:var(--azulgelo);}
  .hero .sub{color:var(--nevoa);}

  /* imagens reais */
  .midia{border-radius:var(--r-img);overflow:hidden;background:var(--profundo);}
  .midia img{display:block;width:100%;height:100%;object-fit:cover;}
  /* foto aérea da fábrica: as bordas já vêm esmaecidas, então ela se funde no fundo claro */
  .fabrica{display:block;width:100%;height:auto;}
  @media (min-width:900px){
    .grid2.grid-fabrica{grid-template-columns:1.18fr 1fr;}
    .fabrica{width:110%;max-width:none;margin-left:-10%;}
  }

  /* foto: espaço reservado com a névoa do gelo seco */
  .foto{position:relative;background:#0E2238;overflow:hidden;display:flex;align-items:flex-end;border-radius:var(--r-img);}
  .foto::before{
    content:"";position:absolute;inset:0;
    background:
      radial-gradient(120% 82% at 50% 108%, rgba(190,190,190,.42) 0%, rgba(111,182,234,.2) 38%, rgba(14,34,56,0) 74%),
      linear-gradient(158deg,#1b3b5c 0%,#0E2238 60%,#0a1725 100%);
  }
  .foto .cap{position:relative;z-index:1;font-family:var(--head);font-weight:600;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.66);padding:14px 16px;}

  /* ---------- seções claras e escuras ---------- */
  /* a transição acontece dentro da própria seção: névoa subindo no escuro,
     clareamento gradual no claro. Sem faixas de emenda entre as dobras. */
  .claro{background:linear-gradient(180deg,#EDF1F4 0%,#FFFFFF 22%,#FFFFFF 100%);}
  .claro-2{background:linear-gradient(180deg,#F2F4F6 0%,#FFFFFF 50%,#FFFFFF 100%);}
  .claro-3{background:linear-gradient(180deg,#F2F4F6 0%,#FFFFFF 38%,#F2F4F6 100%);}
  .escuro{position:relative;background:linear-gradient(180deg,#1C2A38 0%,#0E2238 62%,#0E2238 100%);}
  .escuro::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(85% 55% at 50% 0%, rgba(190,190,190,.16) 0%, rgba(111,182,234,.08) 40%, rgba(14,34,56,0) 76%);
  }
  .escuro > .wrap{position:relative;z-index:1;}

  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .grid2-top{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
  .cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
  @media (max-width:900px){ .grid2,.grid2-top,.cards{grid-template-columns:1fr;gap:28px;} }

  .card{
    background:var(--neve);border:1px solid rgba(90,104,120,.2);border-radius:var(--r-card);
    padding:24px;display:flex;flex-direction:column;gap:12px;
    transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
  }
  .card:hover{border-color:var(--jato);box-shadow:0 14px 30px rgba(14,34,56,.1);transform:translateY(-3px);}
  .card .h3{min-height:2.6em;}
  .card .body{margin:0;font-size:15px;}
  .ico{width:26px;height:26px;stroke:var(--jato);stroke-width:2;fill:none;stroke-linecap:square;stroke-linejoin:miter;flex:none;}

  /* ---------- faixa animada ---------- */
  .ticker{background:var(--jato);color:var(--profundo);overflow:hidden;}
  .ticker-track{display:flex;width:max-content;animation:tick 34s linear infinite;}
  .ticker-group{display:flex;align-items:center;gap:22px;padding-inline-end:22px;padding-block:11px;}
  .ticker-group span{font-family:var(--head);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;}
  .ticker-group i{width:6px;height:6px;background:currentColor;transform:rotate(45deg);flex:none;}
  @keyframes tick{from{transform:translateX(0);}to{transform:translateX(-50%);}}

  /* ---------- dobra 4 — produtos ---------- */
  .compare{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
  @media (max-width:900px){ .compare{grid-template-columns:1fr;} }
  .prod{background:rgba(255,255,255,.05);border:1px solid rgba(190,190,190,.26);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column;gap:14px;}
  .prod .midia{height:250px;}
  .chip{align-self:flex-start;font-family:var(--head);font-weight:600;font-size:12px;letter-spacing:.06em;color:var(--profundo);background:var(--azulgelo);border-radius:999px;padding:5px 14px;font-variant-numeric:tabular-nums;}
  .usos{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
  .usos li{display:flex;gap:12px;font-size:15px;line-height:1.5;color:var(--nevoa);}
  .usos li::before{content:"";flex:none;width:12px;height:2px;background:var(--jato);margin-top:.7em;}

  /* bloco da jateadora (dentro da dobra 4) */
  .jateadora{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    margin-top:96px;padding-top:80px;border-top:1px solid rgba(190,190,190,.18);
  }
  @media (max-width:900px){ .jateadora{grid-template-columns:1fr;gap:36px;margin-top:64px;padding-top:56px;} }
  .maq-area{position:relative;display:flex;align-items:center;justify-content:center;}
  .maq-area::before{
    content:"";position:absolute;inset:-4% -2%;pointer-events:none;
    background:radial-gradient(closest-side, rgba(111,182,234,.24) 0%, rgba(190,190,190,.08) 55%, rgba(14,34,56,0) 100%);
  }
  .maq-area img{
    position:relative;display:block;width:100%;max-width:520px;height:auto;max-height:660px;object-fit:contain;
    filter:drop-shadow(0 26px 34px rgba(0,0,0,.38));
  }
  .beneficios{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;margin:6px 0 26px;}
  @media (max-width:520px){ .beneficios{grid-template-columns:1fr;} }
  .beneficios div{border-top:2px solid var(--jato);padding-top:12px;}
  .beneficios b{display:block;font-family:var(--head);font-weight:600;font-size:16px;color:var(--neve);margin-bottom:4px;}
  .beneficios span{font-size:14px;line-height:1.5;color:var(--nevoa);}
  .diferencial{font-size:16px;line-height:1.6;color:var(--nevoa);margin:0 0 28px;max-width:58ch;}
  .diferencial strong{color:var(--neve);font-weight:700;}

  /* ---------- dobra 5 — por que fechar ---------- */
  .lista{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:14px;}
  .lista li{display:flex;gap:12px;font-size:15px;line-height:1.5;}
  .mk{flex:none;width:20px;font-family:var(--head);font-weight:700;}
  .mk.sim{color:var(--jato);}
  .mk.nao{color:var(--nevoa);}

  /* ---------- dobra 6 — chamada final ---------- */
  .final{position:relative;overflow:hidden;background:linear-gradient(135deg,#0E2238 0%,#1F6FAE 58%,#2C8DD5 100%);}
  .final::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg,rgba(14,34,56,0) 45%,rgba(14,34,56,.4) 72%,#0E2238 100%);
  }
  .final .wrap{position:relative;z-index:2;}
  .form{background:rgba(255,255,255,.96);border-radius:var(--r-card);padding:28px;display:flex;flex-direction:column;gap:14px;}
  .field{display:flex;flex-direction:column;gap:6px;}
  .field label{font-family:var(--head);font-weight:600;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--cinza);}
  .field input,.field select,.field textarea{
    font-family:var(--body);font-size:15px;color:var(--grafite);
    border:1px solid rgba(90,104,120,.32);border-radius:12px;padding:12px 14px;background:var(--gelo);
  }
  .field textarea{min-height:92px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--jato);outline-offset:1px;border-color:var(--jato);}
  .form-nota{font-size:13px;color:var(--cinza);margin:0;min-height:1.4em;}
  .field-dupla{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  @media (max-width:520px){ .field-dupla{grid-template-columns:1fr;} }
  .campo-oculto{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
  .btn:disabled{opacity:.6;cursor:wait;animation:none;}
  a.btn,a.btn:hover,a.btn-ghost,a.btn-ghost:hover{text-decoration:none;}

  /* ---------- dobra 7 — rodapé ---------- */
  .rodape{background:var(--profundo);color:var(--nevoa);}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
  @media (max-width:900px){ .foot-grid{grid-template-columns:1fr 1fr;gap:28px;} }
  @media (max-width:520px){ .foot-grid{grid-template-columns:1fr;} }
  .foot-grid h4{font-family:var(--head);font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--neve);margin:0 0 16px;}
  .foot-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
  .foot-grid li,.foot-grid a{font-size:14px;color:var(--nevoa);text-decoration:none;}
  .foot-grid a:hover{color:var(--azulgelo);}
  .mapa{border:1px solid rgba(190,190,190,.3);border-radius:var(--r-card);padding:22px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:44px;background:rgba(255,255,255,.04);}
  .mapa .estados{display:flex;gap:10px;flex-wrap:wrap;}
  .mapa .estado{font-family:var(--head);font-weight:600;font-size:13px;letter-spacing:.06em;color:var(--profundo);background:var(--nevoa);border-radius:999px;padding:6px 16px;}
  .foot-bottom{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;border-top:1px solid rgba(190,190,190,.22);margin-top:36px;padding-block:22px;}
  .social{display:flex;gap:12px;}
  .social a{width:38px;height:38px;border-radius:999px;border:1px solid rgba(190,190,190,.4);display:flex;align-items:center;justify-content:center;transition:border-color .2s ease,background .2s ease;}
  .social a:hover{border-color:var(--azulgelo);background:rgba(111,182,234,.12);}
  .social svg{width:18px;height:18px;stroke:var(--nevoa);stroke-width:2;fill:none;}
  .social a:hover svg{stroke:var(--azulgelo);}

  /* ---------- botão flutuante ---------- */
  .fab{
    --fab-bg:var(--jato);
    position:fixed;right:20px;bottom:20px;z-index:45;
    display:inline-flex;align-items:center;justify-content:center;
    width:60px;height:60px;padding:0;border:none;border-radius:999px;cursor:pointer;
    background:var(--fab-bg);color:var(--profundo);
    box-shadow:0 10px 26px rgba(14,34,56,.34);
    transition:background .25s ease;
  }
  .fab svg{width:34px;height:34px;}
  .fab .bolha{fill:currentColor;}
  .fab .fone{fill:var(--fab-bg);}
  .fab:hover{--fab-bg:var(--azulgelo);color:var(--profundo);animation:tremida .45s ease;}
  .fab:focus-visible{outline:3px solid var(--neve);outline-offset:3px;}

  /* ---------- entrada ao rolar ---------- */
  body.js-anim .rv{opacity:0;transform:translateX(44px);transition:opacity 1.15s ease,transform 1.15s cubic-bezier(.16,.72,.24,1);transition-delay:var(--d,0s);}
  body.js-anim .rv.up{transform:translateY(18px);}
  @media (max-width:640px){
    body.js-anim .rv:not(.in){transform:translateX(26px);}
    body.js-anim .rv.up:not(.in){transform:translateY(14px);}
  }
  body.js-anim .rv.in{opacity:1;transform:none;}

  /* celular: botões ocupam a largura toda, centralizados */
  @media (max-width:520px){
    .btn,.btn-ghost{width:100%;padding-inline:22px;}
  }
  @media (prefers-reduced-motion: reduce){
    body.js-anim .rv{opacity:1;transform:none;transition:none;}
    .ticker-track{animation:none;}
    .btn:hover,.btn-ghost:hover,.fab:hover{animation:none;}
    html{scroll-behavior:auto;}
  }