/* Smart2Raw - Copyright (C) 2026 Carlos Alberto Terêncio de Bastos
   SPDX-License-Identifier: AGPL-3.0-or-later */
:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#0b0f14; --line:#26313d; --line2:#33445a;
  --ink:#e6edf3; --soft:#c3cdd8; --dim:#8b98a5; --acc:#4ea1ff; --acc2:#7ee0c0;
  --ok:#3fb950; --warn:#d29922; --bad:#f85149;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1120px;
  --pad:clamp(16px,4vw,20px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans);
     -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:5px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--acc);color:#08101c;padding:10px 16px;
  border-radius:6px;z-index:99}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---- topo ---- */
.top{position:sticky;top:0;z-index:60;background:rgba(13,17,23,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);display:flex;
  align-items:center;gap:6px;height:60px}
.brand{font:600 19px/1 var(--sans);letter-spacing:-.4px;color:var(--ink);
  margin-right:10px;white-space:nowrap;flex:none;
  display:inline-flex;align-items:center;min-height:44px}
.brand span{color:var(--acc)}
.brand:hover{text-decoration:none}
.nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
.nav>a,.nav summary{color:var(--soft);font-size:14.5px;white-space:nowrap;
  padding:10px 11px;border-radius:8px;display:inline-flex;align-items:center;gap:5px;
  min-height:44px;cursor:pointer;list-style:none}
.nav>a:hover,.nav summary:hover{color:#fff;background:rgba(255,255,255,.06);
  text-decoration:none}
.nav>a.on{color:#fff;background:rgba(78,161,255,.14);box-shadow:inset 0 -2px 0 var(--acc)}
.nav summary::-webkit-details-marker{display:none}
.nav summary::after{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;
  border-bottom:1.6px solid currentColor;transform:translateY(-2px) rotate(45deg);
  opacity:.65;transition:transform .16s}
.nav details[open]>summary{color:#fff;background:rgba(255,255,255,.06)}
.nav details[open]>summary::after{transform:translateY(2px) rotate(-135deg)}
.nav details.has-on>summary{color:#fff}
.navdrop{position:relative}
.menu{position:absolute;top:calc(100% + 8px);left:0;min-width:222px;background:var(--panel);
  border:1px solid var(--line);border-radius:11px;padding:7px;z-index:70;
  box-shadow:0 16px 40px rgba(0,0,0,.55)}
.menu a{display:flex;flex-direction:column;justify-content:center;color:var(--soft);
  font-size:14.5px;padding:9px 12px;border-radius:7px;min-height:44px}
.menu a:hover{background:rgba(255,255,255,.07);color:#fff;text-decoration:none}
.menu a.on{color:#fff;background:rgba(78,161,255,.14)}
.menu small{display:block;color:var(--dim);font-size:12px;margin-top:1px;line-height:1.35}
.navgap{flex:1}
.langs[hidden]{display:none}
.langs{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;
  flex:none;margin-right:8px}
.langs a{font:12px/1 var(--mono);color:var(--dim);padding:0 12px;height:38px;
  display:flex;align-items:center}
.langs a:hover{color:var(--ink);text-decoration:none;background:var(--panel)}
.langs a.on{background:var(--acc);color:#08101c;font-weight:700}
.navcta{background:var(--acc);color:#08101c !important;border-radius:8px;padding:0 16px;
  height:38px;display:inline-flex;align-items:center;font:600 14px var(--sans);
  white-space:nowrap;flex:none}
.navcta:hover{filter:brightness(1.12);text-decoration:none}
.burger{display:none;align-items:center;gap:8px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--ink);border-radius:9px;height:44px;
  padding:0 13px;font:600 14px var(--sans);cursor:pointer;flex:none}
.burger svg{width:17px;height:17px;flex:none}

/* painel de celular */
.sheet{display:none;border-bottom:1px solid var(--line);background:var(--panel);
  padding:8px var(--pad) 18px}
.sheet.open{display:block}
.sheet .sgroup{font:11px var(--mono);color:var(--dim);text-transform:uppercase;
  letter-spacing:.14em;padding:15px 10px 5px;margin:0}
.sheet a{display:flex;align-items:center;min-height:50px;padding:0 10px;color:#dbe4ec;
  font-size:16px;border-radius:9px}
.sheet a:hover{background:rgba(255,255,255,.06);text-decoration:none}
.sheet a.on{background:rgba(78,161,255,.15);color:#fff;font-weight:600}
.sheet .sep{height:1px;background:var(--line);margin:12px 4px}
.sheet .btn{display:flex;justify-content:center;width:100%}
@media(max-width:960px){
  .nav{display:none}
  .burger{display:inline-flex}
  .navgap{display:none}
  .topbar{gap:8px}
  .langs a{height:44px;padding:0 13px}   /* alvo de toque, não de mouse */
}
@media(max-width:359px){
  .burger span{display:none}
  .burger{padding:0 12px}
}

/* ---- estrutura ---- */
main{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad) 80px}
section{padding:clamp(30px,5vw,44px) 0;border-bottom:1px solid var(--line)}
section:last-child{border-bottom:0}
h1{font-size:clamp(30px,5.4vw,44px);line-height:1.08;letter-spacing:-1.2px;margin:0 0 16px}
h2{font-size:clamp(21px,3vw,27px);line-height:1.2;letter-spacing:-.4px;margin:0 0 14px}
h3{font-size:clamp(16.5px,2vw,18px);margin:26px 0 8px}
h4{font-size:15px;margin:20px 0 6px;color:var(--dim);text-transform:uppercase;
  letter-spacing:.1em}
p{margin:0 0 14px}
.lead{font-size:clamp(16.5px,1.5vw,19px);color:#c9d4de;max-width:68ch}
.dim{color:var(--dim)}
.small{font-size:14px}
code{font:.88em var(--mono);color:var(--acc2);background:var(--panel2);
  padding:1px 5px;border-radius:4px;border:1px solid var(--line);
  overflow-wrap:anywhere}
pre{background:var(--panel2);border:1px solid var(--line);border-radius:9px;
  padding:15px 17px;overflow-x:auto;margin:0 0 16px;-webkit-overflow-scrolling:touch}
pre code{background:none;border:0;padding:0;color:var(--ink);font-size:13px;line-height:1.55}
blockquote{border-left:3px solid var(--acc);margin:0 0 16px;padding:2px 0 2px 16px;
  color:var(--dim)}
hr{border:0;border-top:1px solid var(--line);margin:30px 0}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin:5px 0}

/* ---- hero ---- */
.hero{position:relative;padding:clamp(38px,7vw,64px) 0 clamp(26px,4vw,34px);
  border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-45% -20% auto -20%;height:440px;
  background:radial-gradient(58% 100% at 50% 0,rgba(78,161,255,.18),transparent 70%);
  pointer-events:none}
.hero>*{position:relative}
.hero h1{max-width:17ch;
  background:linear-gradient(180deg,#fff,#b9c9d8);-webkit-background-clip:text;
  background-clip:text;color:transparent}
.slogan{font:600 clamp(14.5px,1.5vw,16px)/1.45 var(--sans);color:var(--acc2);margin:0 0 14px}
.qual{font-size:14.5px;color:var(--dim);max-width:64ch;margin:10px 0 0}
.cta{display:flex;gap:11px;flex-wrap:wrap;margin-top:24px}
.btn{background:var(--acc);color:#08101c;border:0;border-radius:9px;padding:0 20px;
  min-height:46px;font:600 15px var(--sans);cursor:pointer;display:inline-flex;
  align-items:center;justify-content:center;text-align:center}
.btn:hover{filter:brightness(1.12);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);font-weight:500}
.btn.ghost:hover{background:var(--panel);filter:none}

/* ---- blocos ---- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(168px,1fr));gap:12px;
  margin:30px 0 0}
.kpi{background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:12px;padding:15px 17px}
.kpi b{display:block;font:clamp(23px,3vw,27px)/1.1 var(--mono);letter-spacing:-1px;
  margin-bottom:5px;color:#fff}
.kpi small{color:var(--dim);font-size:12.8px;line-height:1.42;display:block}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;
  transition:transform .16s,border-color .16s}
.card:hover{transform:translateY(-2px);border-color:var(--line2)}
.card h3{margin:0 0 8px;font-size:16px}
.card p{color:var(--dim);font-size:14.5px;margin:0}
.card a.more{display:inline-block;margin-top:12px;font-size:14px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:clamp(16px,3vw,22px)}
.tw{overflow-x:auto;margin:0 0 18px;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th{text-align:left;color:var(--dim);font-weight:500;font-size:12px;text-transform:uppercase;
  letter-spacing:.07em;border-bottom:1px solid var(--line);padding:9px 10px;white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid #1c2530;vertical-align:top}
th.r,td.r{text-align:right}
tbody tr:hover td{background:rgba(78,161,255,.04)}
.badge{display:inline-block;font:12px var(--mono);border-radius:6px;padding:3px 9px;
  margin:0 6px 6px 0;border:1px solid var(--line);color:var(--dim);background:var(--panel2)}
.badge.g{background:rgba(63,185,80,.13);color:var(--ok);border-color:rgba(63,185,80,.34)}
.badge.a{background:rgba(78,161,255,.13);color:var(--acc);border-color:rgba(78,161,255,.34)}

/* ---- por que isso importa agora ---- */
.why{background:linear-gradient(180deg,rgba(126,224,192,.035),transparent 62%)}
.whysub{color:var(--dim);font-size:14.5px;margin:0 0 24px;max-width:78ch}
.mk{display:grid;grid-template-columns:repeat(auto-fit,minmax(252px,1fr));gap:15px}
.mkc{background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:19px;
  transition:transform .16s,border-color .16s}
.mkc:hover{transform:translateY(-2px);border-color:var(--line2)}
.mkn{font:600 clamp(25px,3.4vw,30px)/1.05 var(--mono);letter-spacing:-1.4px;margin:0 0 4px;
  background:linear-gradient(180deg,var(--acc2),var(--acc));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.mkn i{font-style:normal;color:#4a5a6a;-webkit-text-fill-color:#4a5a6a}
.mkt{font:600 14px var(--sans);color:var(--ink);margin:0 0 8px}
.mkc p:not([class]){color:var(--dim);font-size:13.8px;line-height:1.55;margin:0 0 10px}
.mkso{font:11.5px var(--mono);color:#6c7c8c;overflow-wrap:anywhere}
.mkso a{color:#8fb6d8}
.mkc .arrow{border-top:1px dashed #2c3846;margin:11px 0 0;padding-top:10px;
  font-size:13.6px;color:#a9d8c6}
.note{margin-top:20px;font-size:13.5px;color:var(--dim);border-left:2px solid var(--acc2);
  padding-left:13px;max-width:80ch}

/* ---- rodapé ---- */
.foot{border-top:1px solid var(--line);background:var(--panel2);margin-top:20px}
.fgrid{max-width:var(--wrap);margin:0 auto;padding:34px var(--pad) 20px;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:24px;
  color:var(--dim);font-size:14px}
.fgrid b{color:var(--ink)}
.fgrid a{line-height:2}
.fbot{max-width:var(--wrap);margin:0 auto;padding:14px var(--pad) 34px;color:var(--dim);
  font-size:12.5px;border-top:1px solid var(--line)}

/* ---- demonstração ao vivo ---- */
.demo-head{margin-bottom:20px}
.demo-head h2{margin-bottom:8px}
.dstep{margin-bottom:16px}
.dstep h4{margin:0 0 14px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
select,input[type=text],input[type=number],textarea{
  background:var(--panel2);color:var(--ink);border:1px solid var(--line);border-radius:7px;
  padding:10px;font:13px var(--mono);min-height:44px;max-width:100%}
input[type=number]{width:130px}
#thr{width:190px} #lo,#hi{width:150px}
textarea{width:100%;min-height:110px;resize:vertical;margin-bottom:12px}
.drop{border:1px dashed var(--line);border-radius:8px;padding:16px;text-align:center;
  color:var(--dim);font-size:13.5px;cursor:pointer;margin-bottom:12px}
.drop:hover,.drop.hot{border-color:var(--acc);color:var(--acc)}
.hidden{display:none}
.bar{height:8px;border-radius:4px;background:var(--acc);display:inline-block;
  vertical-align:middle;min-width:2px}
.bar.peer{background:#57606a} .bar.over{background:var(--bad)}
tr.best td{background:rgba(78,161,255,.09)}
tr.best td:first-child::after{content:" ←";color:var(--acc)}
.ok{color:var(--ok)} .bad{color:var(--bad)} .warn{color:var(--warn)}
.badge.r{background:rgba(248,81,73,.13);color:var(--bad);border-color:rgba(248,81,73,.34)}
#t_sizes td:first-child,#t_sizes th:first-child{min-width:150px}
button:disabled{opacity:.45;cursor:default}
@media(max-width:520px){
  .row{gap:9px}
  select,input[type=text],input[type=number]{width:100%}
  #thr,#lo,#hi,input[type=number]{width:100%}
  .row .btn{width:100%}
}

/* ---- formulário ---- */
form label{display:block;font-size:13px;color:var(--dim);margin-bottom:12px}
form input[type=text],form input[type=email],form select,form textarea{
  display:block;width:100%;margin-top:5px;font:15px var(--sans);color:var(--ink)}
form textarea{font:13.5px var(--mono);min-height:120px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.frow{grid-template-columns:1fr}}