/* DCEng Pro — padrão de site de ferramenta com captura de lead, nas cores da DCEng.
   Tela clara (uso no celular, na obra, à luz do dia); azul-marinho em blocos inteiros; azul vivo só em ações. */
:root{
  --navy:#00223d; --navy-2:#001836; --navy-3:#0b3657; --blue:#0287fb; --blue-d:#0270d4; --blue-h:#025aab; --blue-soft:#e6f3ff;
  --ink:#0b1b2b; --ink-2:#243548; --muted:#44556a; --line:#dde5ee; --bg:#f4f6f8; --bg-2:#edf4fa; --white:#ffffff;
  --good:#0f7a55; --good-soft:#e2f4ec; --warn:#8a4e00; --warn-soft:#fff2df; --bad:#c0331f; --bad-soft:#fde9e6;
  --on-navy:#f2f7fc; --on-navy-2:#cddbe8;
  --radius:14px; --shadow:0 1px 2px rgba(0,34,61,.06),0 12px 28px -12px rgba(0,34,61,.18);
  --font:"Manrope","Segoe UI",system-ui,sans-serif;
  color-scheme:light;
  /* nomes antigos usados pela calculadora */
  --signal:var(--blue); --signal-soft:var(--blue-soft); --signal-ink:#fff; --paper:var(--bg); --sheet:#fff; --rule:var(--line); --mono:var(--font);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font:400 17px/1.65 var(--font);font-feature-settings:"tnum" 0;-webkit-font-smoothing:antialiased}
::selection{background:var(--blue);color:#fff}
.gutter{padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.wrap{max-width:1160px;margin:0 auto}
.read{max-width:720px;margin:0 auto}
a{color:var(--blue-d);text-underline-offset:3px}
h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.025em;text-wrap:balance;color:var(--navy);font-weight:800}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3,.h3{font-size:1.18rem;letter-spacing:-.015em}
p{margin:0}
.lead{font-size:clamp(1.05rem,1.5vw,1.22rem);color:var(--ink-2);max-width:56ch;line-height:1.55}
.kicker{font-size:.85rem;font-weight:700;color:var(--ink-2)}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.small{font-size:.95rem}
.stack{display:grid;gap:16px}
.section{padding-block:clamp(64px,9vw,112px)}
.bg-soft{background:var(--bg)}
.mark{color:var(--blue)}

/* ícones (SVG em máscara, um traço só) */
.ico{display:inline-block;width:1.1em;height:1.1em;flex:none;background:currentColor;vertical-align:-.18em;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat}
.i-check{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E")}
.i-arrow{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E")}
.i-mail{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='M3.5 6.5l8.5 6.5 8.5-6.5'/%3E%3C/svg%3E")}
.i-chat{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 11.5a8 8 0 0 1-11.6 7.1L4 20l1.4-4.2A8 8 0 1 1 20 11.5z'/%3E%3C/svg%3E")}
.i-shield{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v5c0 4.5-3 8.3-7 10-4-1.7-7-5.5-7-10V6z'/%3E%3Cpath d='M9 12l2 2 4-4'/%3E%3C/svg%3E")}
.i-calc{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='3' width='14' height='18' rx='2'/%3E%3Cpath d='M8 7h8M8 12h2M14 12h2M8 16h2M14 16h2'/%3E%3C/svg%3E")}
.i-doc{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 3v5h5M9 13h6M9 17h4'/%3E%3C/svg%3E")}
.i-x{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E")}
.i-send{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 3L10 14M21 3l-7 18-4-7-7-4z'/%3E%3C/svg%3E")}
/* setas antigas em texto viram ícone */
.arrow{font-size:0;display:inline-block;width:18px;height:18px;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center/contain no-repeat;transition:transform .2s cubic-bezier(.2,.8,.2,1)}

/* topo */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:31;background:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:800}
.brand img{height:30px;width:auto;display:block}
.brand i{font-style:normal;font-size:.72rem;font-weight:800;letter-spacing:.08em;background:var(--blue);color:#fff;padding:3px 7px;border-radius:6px}
.nav{display:flex;align-items:center;gap:26px;font-size:.95rem;font-weight:600}
.nav a{text-decoration:none;color:var(--ink-2)}
.nav a:hover{color:var(--navy)}
.nav .btn{color:#fff}
@media (max-width:820px){.nav a[href^="#"]:not(.btn){display:none}}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1rem var(--font);padding:14px 22px;border-radius:10px;border:1.5px solid var(--blue-d);background:var(--blue-d);color:#fff;text-decoration:none;cursor:pointer;transition:background .2s,box-shadow .2s,transform .2s cubic-bezier(.2,.8,.2,1);white-space:nowrap}
.btn:hover{background:var(--blue-h);border-color:var(--blue-h);box-shadow:0 8px 20px -8px rgba(0,34,61,.45);transform:translateY(-1px)}
.btn:hover .arrow,.btn:hover .i-arrow{transform:translateX(3px)}
.btn:active{transform:none}
.btn:disabled{opacity:.6;cursor:wait;transform:none}
.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn.ghost:hover{background:#fff;border-color:var(--navy);box-shadow:none}
.btn.on-dark{background:#fff;color:var(--navy);border-color:#fff}
.btn.on-dark:hover{background:var(--blue-soft);border-color:var(--blue-soft)}
.btn.sm{padding:9px 14px;font-size:.9rem;border-radius:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}

/* superfícies */
.sheet{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:99px;background:var(--blue-soft);color:var(--navy)}
.chip.good{background:var(--good-soft);color:var(--good)} .chip.warn{background:var(--warn-soft);color:var(--warn)} .chip.bad{background:var(--bad-soft);color:var(--bad)}
.dark{background:var(--navy);color:var(--on-navy)}
.dark h2,.dark h3{color:#fff}
.dark .lead,.dark .muted{color:var(--on-navy-2)}

/* formulário de inscrição */
.lead-form{display:grid;gap:12px}
.lead-form .row{display:flex;gap:10px;flex-wrap:wrap}
.lead-form input[type=text],.lead-form input[type=email],.lead-form select{flex:1 1 200px;min-width:0;font:400 1rem var(--font);padding:14px 14px;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.lead-form input::placeholder{color:#526478}
.lead-form input:focus,.lead-form select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(2,135,251,.18)}
.lead-form .consent{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--ink-2);line-height:1.5}
.lead-form .consent input{width:18px;height:18px;margin-top:1px;accent-color:var(--blue);flex:none}
.lead-form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.lead-form .msg{font-size:.9rem;font-weight:600;min-height:1.3em}
.lead-form .msg.ok{color:var(--good)} .lead-form .msg.err{color:var(--bad)}
.dark .lead-form input[type=text],.dark .lead-form input[type=email],.dark .lead-form select{background:#fff;border-color:transparent}
.dark .lead-form .consent{color:var(--on-navy-2)}
.dark .lead-form .consent a{color:#fff}
.dark .lead-form .msg.ok{color:#7fe0b8} .dark .lead-form .msg.err{color:#ffb3a8}
.lead-done{display:grid;gap:8px;padding:18px;border-radius:12px;background:var(--good-soft);color:var(--good);font-weight:600}
.dark .lead-done{background:rgba(127,224,184,.12);color:#7fe0b8}

/* rodapé */
.foot{background:var(--navy-2);color:var(--on-navy-2)}
.foot .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:32px;padding-block:48px 28px;font-size:.92rem}
.foot a{color:var(--on-navy);text-decoration:none} .foot a:hover{text-decoration:underline}
.foot b{color:#fff;display:block;margin-bottom:10px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot .legal{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.82rem}
.foot img{height:28px;filter:brightness(0) invert(1);margin-bottom:12px}
@media (max-width:760px){.foot .wrap{grid-template-columns:1fr}}

/* guias (leitura) */
.article{display:grid;gap:20px}
.article h2{font-size:1.65rem;margin-top:22px}
.article p,.article li{color:var(--ink-2)}
.article ul{margin:0;padding-left:22px;display:grid;gap:8px}
.ahead{padding-block:clamp(40px,6vw,72px) 8px;display:grid;gap:16px}
.ahead h1{font-size:clamp(2rem,4.6vw,3.1rem)}
.ameta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.9rem;color:var(--muted)}
.tldr{padding:22px 24px;display:grid;gap:8px;background:var(--bg-2);border:1px solid #d6e6f5;border-radius:var(--radius);box-shadow:none}
.tldr ul{margin:0;padding-left:20px;display:grid;gap:4px}
.formula{font-weight:700;font-variant-numeric:tabular-nums;background:var(--bg-2);border:1px solid #d6e6f5;border-radius:10px;padding:14px 16px;overflow-x:auto;color:var(--navy)}
.inline-cta{padding:26px;display:grid;gap:12px;background:var(--navy);border:0;color:var(--on-navy)}
.inline-cta b{color:#fff;font-size:1.15rem}
.inline-cta .muted{color:var(--on-navy-2)}
.progress-read{position:fixed;left:0;top:0;height:3px;background:var(--blue);z-index:40;width:0}
.callout{padding:18px 20px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;gap:6px}
.callout.warn{background:var(--warn-soft);border-color:#f3d4a6} .callout.bad{background:var(--bad-soft);border-color:#f5c3bb}
.callout .muted{color:var(--ink-2)} .callout.warn b{color:var(--warn)} .callout.bad b{color:var(--bad)}
.steps-list{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:st}
.steps-list>li{counter-increment:st;display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;align-items:start}
.steps-list>li::before{content:counter(st);width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-variant-numeric:tabular-nums;background:var(--blue-soft);color:var(--navy)}
.steps-list h3{margin-bottom:4px}
.checklist{padding:24px;display:grid;gap:10px}
.checklist .bar{height:8px;border-radius:8px;background:var(--line);overflow:hidden}
.checklist .bar span{display:block;height:100%;background:var(--good);width:0;transition:width .3s ease}
.checklist label{display:flex;gap:12px;align-items:flex-start;padding:11px 13px;border-radius:10px;border:1px solid var(--line);cursor:pointer;color:var(--ink-2);transition:background .2s,border-color .2s}
.checklist label:has(input:checked){background:var(--good-soft);border-color:#a8dcc6;color:var(--ink)}
.checklist input{width:20px;height:20px;margin-top:2px;flex:none;accent-color:var(--good)}
.next-guides{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.next-guides a{padding:20px;text-decoration:none;display:grid;gap:8px;color:var(--navy);transition:border-color .2s,transform .2s}
.next-guides a:hover{border-color:var(--blue);transform:translateY(-2px)}
.guide-news{padding:clamp(24px,4vw,36px);display:grid;gap:14px;border-radius:var(--radius)}

/* tabelas */
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th:first-child,td:first-child{text-align:left;white-space:normal}
th{font-size:.8rem;font-weight:700;color:var(--ink-2)}
td{font-variant-numeric:tabular-nums}

@media (prefers-reduced-motion:no-preference){
  .rise{animation:rise .7s cubic-bezier(.16,1,.3,1) both}
  .rise.d1{animation-delay:.06s}.rise.d2{animation-delay:.12s}.rise.d3{animation-delay:.18s}
  @keyframes rise{from{transform:translateY(14px)}to{transform:none}}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* --- menu mobile + correções 06/11/2026 --- */
.burger{display:none;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer}
.burger-ico{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--navy)}
.burger-ico:before,.burger-ico:after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--navy);transition:transform .18s ease,opacity .18s ease}
.burger-ico:before{top:-6px}
.burger-ico:after{top:6px}
.nav.open ~ .burger .burger-ico{background:transparent}
.nav.open ~ .burger .burger-ico:before{transform:translateY(6px) rotate(45deg)}
.nav.open ~ .burger .burger-ico:after{transform:translateY(-6px) rotate(-45deg)}

@media (max-width:820px){
  .wrap.calc{grid-template-columns:minmax(0,1fr)!important}
  .stack,.field,.sheet{min-width:0!important}
  .sim-h{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
}
@media (max-width:560px){
  .top .wrap{flex-wrap:nowrap;gap:10px;min-height:0;padding-block:10px}
  .brand img{height:24px}
  .brand i{font-size:.64rem;padding:2px 5px;border-radius:5px}
  .nav{gap:0;padding:0;border:0}
  .nav > a{display:none}
  .burger{display:flex;margin-left:auto}
  .nav.open{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 18px 34px -22px rgba(15,23,42,.45);padding:4px 20px 16px;font-size:.98rem}
  .nav.open > a{display:block!important;padding:13px 2px;border-bottom:1px solid var(--line);color:var(--ink-2)}
  .nav.open .btn{display:block;text-align:center;margin-top:12px;padding:13px 16px;font-size:.95rem;border-bottom:0}
  .sheet .v{font-size:clamp(1.45rem,7vw,2.4rem);letter-spacing:-.02em;overflow-wrap:anywhere}
  .sheet .btn{white-space:normal;text-align:center;width:100%;padding:13px 14px;font-size:.95rem}
  .brk div,.tot div{gap:8px}
  body{overflow-x:clip}
  body.has-menu::before{content:"";position:fixed;inset:0;background:rgba(15,23,42,.32);z-index:20}
  body.has-menu .top{border-bottom:1px solid var(--line)}
}

/* dceng-burger-900 · 08/11/2026: entre 561px e 900px o menu completo
   estourava a tela (a nav chegava a 816px numa janela de 768px). O
   hambúrguer passa a valer até 900px. */
@media (max-width:900px){
  .top .wrap{flex-wrap:nowrap;gap:10px}
  .nav{gap:0;padding:0;border:0}
  .nav > a{display:none}
  .burger{display:flex;margin-left:auto}
  .nav.open{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 18px 34px -22px rgba(15,23,42,.45);padding:4px 20px 16px;font-size:.98rem}
  .nav.open > a{display:block!important;padding:13px 2px;border-bottom:1px solid var(--line);color:var(--ink-2)}
  .nav.open .btn{display:block;text-align:center;margin-top:12px;padding:13px 16px;font-size:.95rem;border-bottom:0}
  body.has-menu::before{content:"";position:fixed;inset:0;background:rgba(15,23,42,.32);z-index:20}
  body.has-menu .top{border-bottom:1px solid var(--line)}
}