:root{
  --paper:#F3F6F8; --surface:#FFFFFF; --ink:#10263F; --slate:#4E5F71;
  --line:#D3DCE4; --teal:#127A71; --teal-soft:#DCEFEC; --todo:#FFF1C2; --todo-ink:#6B4E00;
  --wrap:68rem; --text:40rem;
  --f-body:"IBM Plex Sans",system-ui,sans-serif; --f-head:"IBM Plex Sans Condensed","IBM Plex Sans",system-ui,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{--paper:#0E1C2C;--surface:#14263A;--ink:#E7EEF4;--slate:#A9B8C6;--line:#2A3F55;--teal:#4FC7B9;--teal-soft:#173B3D;--todo:#4A3B0E;--todo-ink:#FFE7A3}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--f-body)}
a{color:var(--teal);text-underline-offset:.18em}
a:focus-visible,button:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 1.25rem}
h1,h2,h3{font-family:var(--f-head);line-height:1.12;margin:0;font-weight:600;letter-spacing:-.005em}
h1{font-size:clamp(2.2rem,5.2vw,3.6rem);max-width:20ch}
h2{font-size:clamp(1.5rem,2.6vw,1.9rem);margin-bottom:.9rem}
h3{font-size:1.2rem;margin-bottom:.35rem}
p{margin:0 0 1rem;max-width:var(--text)}
/* idioma */
body.pt [lang="en"], body.en [lang="pt"]{display:none !important}
/* topo */
.top{display:flex;justify-content:space-between;align-items:center;padding:1.1rem 0;gap:1rem}
.top .me{font-family:var(--f-head);font-weight:600;font-size:1.05rem;color:var(--ink);text-decoration:none}
.langs{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.langs button{font:500 .85rem var(--f-body);background:transparent;color:var(--slate);border:0;padding:.35rem .8rem;cursor:pointer}
.langs button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
/* hero */
.hero{padding:2.5rem 0 1rem}
.lede{font-size:1.2rem;color:var(--slate);margin-top:1.1rem;max-width:38rem}
.contacts{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;margin-top:1.4rem;font-weight:500}
/* fluxo */
.flow{margin:2rem 0 1rem;position:relative}
.flow svg{width:100%;height:auto;display:block}
.flow .tangle path{fill:none;stroke:var(--slate);stroke-opacity:.35;stroke-width:1.4}
.flow .line{stroke:var(--teal);stroke-width:3}
.flow .node circle{fill:var(--paper);stroke:var(--teal);stroke-width:3}
.flow .node text{fill:var(--ink);font:600 15px var(--f-head)}
.flow .node .sub{fill:var(--slate);font:400 12.5px var(--f-body)}
.flow a:focus-visible circle,.flow a:hover circle{fill:var(--teal)}
.flow-mobile{display:none}
@media (max-width:700px){.flow svg{display:none}.flow-mobile{display:block}}
/* listas de projeto */
.projects{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.projects > li{border-bottom:1px solid var(--line);padding:1.4rem 0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.4rem 2rem;align-items:baseline}
.projects h3 a{color:var(--ink);text-decoration:none}
.projects h3 a:hover{color:var(--teal);text-decoration:underline}
.projects p{margin:0;color:var(--slate)}
.projects .ctx{font-size:.9rem;color:var(--slate);white-space:nowrap}
@media (max-width:700px){.projects > li{grid-template-columns:1fr}.projects .ctx{white-space:normal}}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.6rem;padding:0;list-style:none}
.tags li{display:inline-block;font-size:.82rem;background:var(--teal-soft);color:var(--ink);border-radius:4px;padding:.12rem .5rem;border:0}
section{padding:2.6rem 0}
/* etapas */
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;gap:0;border-left:3px solid var(--teal);margin-left:.6rem}
.steps li{counter-increment:s;position:relative;padding:0 0 1.4rem 1.8rem;max-width:44rem}
.steps li::before{content:counter(s);position:absolute;left:-.95rem;top:-.05rem;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--paper);border:3px solid var(--teal);font:600 .8rem/1.05rem var(--f-head);text-align:center;color:var(--ink)}
.steps li:last-child{padding-bottom:0}
.steps strong{display:block;font-family:var(--f-head);font-size:1.08rem}
/* caso */
.case-head{padding:2rem 0 .5rem}
.case-head .ctx{color:var(--slate);margin-top:.8rem}
.back{display:inline-block;margin-bottom:1.4rem;font-weight:500}
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem}
@media (max-width:760px){.split{grid-template-columns:1fr;gap:0}}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.facts div{background:var(--surface);padding:1rem 1.1rem}
.facts dt{font-size:.85rem;color:var(--slate)}
.facts dd{margin:.25rem 0 0;font-family:var(--f-head);font-size:1.25rem;font-weight:600}
.facts dd.long{font-size:.9625rem} /* 77% de 1.25rem: frase longa dentro do quadro */
.current{margin-top:1.6rem}
.current h3{margin-bottom:.5rem}
.shot{border:1px dashed var(--line);border-radius:6px;background:var(--surface);min-height:13rem;display:flex;align-items:center;justify-content:center;text-align:center;padding:1.5rem;color:var(--slate);margin:1rem 0}
.shot img{max-width:100%;height:auto;border-radius:4px}
.todo{background:var(--todo);color:var(--todo-ink);padding:.05em .3em;border-radius:3px;font-size:.92em}
.cta{background:var(--ink);color:var(--paper);border-radius:8px;padding:2rem 1.6rem;margin:1rem 0 3rem}
.cta h2{color:var(--paper)}
.cta p{color:var(--paper);opacity:.85}
.cta a{color:var(--paper);font-weight:600}
footer{border-top:1px solid var(--line);padding:1.4rem 0 2.5rem;color:var(--slate);font-size:.92rem}
@media (prefers-reduced-motion:no-preference){
  .flow .line{stroke-dasharray:1200;stroke-dashoffset:1200;animation:draw 1.6s ease-out .2s forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
}