/* Layout: páginas por hash; cabeçalho fixo; faixas de largura total com miolo de 1120px; "log de execução" como motivo visual */
:root{
  --bg:#f3f5f2; --surface:#ffffff; --ink:#10201b; --muted:#4f5f59; --line:#d6ddd8;
  --accent:#0d7a63; --accent-ink:#ffffff; --signal:#f2c230; --signal-ink:#2a2200; --band:#10201b; --band-ink:#e9efe9; --band-muted:#9fb3ab;
  --f-display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body:"Public Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --wrap:1280px; --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0c1714; --surface:#13221d; --ink:#e6eee9; --muted:#9db0a8; --line:#24372f;
  --accent:#3cc19f; --accent-ink:#06120e; --signal:#f2c230; --signal-ink:#2a2200; --band:#06100d; --band-ink:#e6eee9; --band-muted:#8aa198; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0c1714; --surface:#13221d; --ink:#e6eee9; --muted:#9db0a8; --line:#24372f;
  --accent:#3cc19f; --accent-ink:#06120e; --signal:#f2c230; --signal-ink:#2a2200; --band:#06100d; --band-ink:#e6eee9; --band-muted:#8aa198; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);line-height:1.08;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5.4vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0}
a{color:var(--accent)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px;border-radius:4px}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.mark{background:linear-gradient(transparent 58%,var(--signal) 58%);padding:0 .1em;color:inherit}

/* header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--bg);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:800;font-size:1.3rem}
.logo svg{flex:none}
.menu{display:flex;gap:4px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--muted);font-weight:500;font-size:.95rem}
.menu a:hover{color:var(--ink)}
.menu a[aria-current="page"]{background:var(--ink);color:var(--bg)}
.menu .cta-nav{background:var(--accent);color:var(--accent-ink)}
.toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 12px;font:inherit;cursor:pointer}
@media (max-width:820px){
  .toggle{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px))}
  .menu.open{display:flex}
}

/* sections */
.sec{padding-block:72px}
.sec-tight{padding-block:48px}
.band{background:var(--band);color:var(--band-ink)}
.band .lead,.band .muted{color:var(--band-muted)}
.band .eyebrow{color:var(--signal)}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3{grid-template-columns:1fr}}
.stack{display:flex;flex-direction:column;gap:16px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 20px;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid var(--ink);color:var(--ink);background:transparent;font:inherit;font-weight:600;cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.band .btn{border-color:var(--band-ink);color:var(--band-ink)}
.band .btn.primary{background:var(--signal);border-color:var(--signal);color:var(--signal-ink)}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center;padding-block:64px 72px}
@media (max-width:900px){.hero{grid-template-columns:1fr;gap:36px}}
.hero .stack{gap:22px}

/* execution log */
.log{background:var(--band);color:var(--band-ink);border-radius:14px;font-family:var(--f-mono);font-size:.9rem;box-shadow:0 18px 40px -18px rgba(16,32,27,.45);overflow:hidden;min-width:0}
.log-head{display:flex;justify-content:space-between;gap:12px;padding:16px 22px;border-bottom:1px solid #ffffff1f;color:var(--band-muted)}
.log ol{list-style:none;margin:0;padding:10px 0}
.log li{display:grid;grid-template-columns:56px 1fr auto;gap:14px;padding:10px 22px;align-items:baseline}
.log time{color:var(--band-muted)}
.log .ok{color:var(--signal);font-weight:500}
.log li.fresh{animation:flash 2.4s ease-out}
@keyframes flash{from{background:#f2c23033}to{background:transparent}}
.log-foot{padding:16px 22px;border-top:1px solid #ffffff1f;color:var(--band-muted)}
.log-foot b{color:var(--band-ink)}

/* proof strip */
.strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip div{padding:22px 20px;border-right:1px solid var(--line)}
.strip div:last-child{border-right:none}
.strip b{display:block;font-family:var(--f-display);font-size:1.6rem;font-variant-numeric:tabular-nums}
.strip span{color:var(--muted);font-size:.92rem}
@media (max-width:760px){.strip{grid-template-columns:repeat(2,minmax(0,1fr))}.strip div:nth-child(2){border-right:none}.strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card p{color:var(--muted)}
.card ul{margin:0;padding-left:18px;color:var(--muted)}
.tag{display:inline-block;font-family:var(--f-mono);font-size:.74rem;padding:3px 8px;border-radius:6px;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto}

/* steps (real sequence) */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;counter-reset:s}
.step{padding:24px 22px 24px 0;border-top:3px solid var(--band-muted);display:flex;flex-direction:column;gap:8px;margin-right:18px}
.step:first-child{border-top-color:var(--signal)}
.step .n{font-family:var(--f-mono);color:var(--signal);font-size:.85rem}
.step p{color:var(--band-muted)}
@media (max-width:860px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:1fr}.step{margin-right:0}}

/* audiences */
.aud{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media (max-width:700px){.aud{grid-template-columns:1fr}}
.aud .card{border-top:4px solid var(--accent)}

/* cases */
.case{display:grid;grid-template-columns:minmax(0, 315px) minmax(0, 1fr);gap:40px;padding-block:32px;border-top:1px solid var(--line)}
.case:first-of-type{border-top:none}
@media (max-width:760px){.case{grid-template-columns:1fr;gap:12px}}
.case h2,.case h3{font-size:clamp(1.6rem,2.4vw,2.1rem);margin-top:6px}
.ba{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:560px){.ba{grid-template-columns:1fr}}
.ba div{padding:16px;border-radius:8px;background:var(--surface);border:1px solid var(--line)}
.ba .k{font-family:var(--f-mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);display:block;margin-bottom:4px}
.ba .after{border-color:var(--accent)}
.ba .after .k{color:var(--accent)}
.result{margin-top:14px;display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.todo{font-family:var(--f-mono);font-size:.8rem;background:var(--signal);color:var(--signal-ink);padding:2px 8px;border-radius:4px}
.note{font-size:.9rem;color:var(--muted);border-left:3px solid var(--signal);padding-left:12px}

/* about */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:48px;align-items:start}
@media (max-width:820px){.about{grid-template-columns:1fr}}
.principles{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.principles li{padding:18px 0;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.principles li b{font-family:var(--f-display);font-size:1.1rem}
.principles li span{color:var(--muted)}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:40px}
@media (max-width:820px){.contact{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:.92rem}
.field input,.field select,.field textarea{font:inherit;padding:12px 14px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);width:100%}
.field textarea{min-height:120px;resize:vertical}
.channel{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);flex-wrap:wrap}
.channel code{font-family:var(--f-mono);font-size:.92rem;user-select:all;word-break:break-all}
.copy{font:inherit;font-size:.85rem;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}
.status{min-height:1.5em;font-weight:600;color:var(--accent)}

footer{border-top:1px solid var(--line);padding-block:32px;color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* base (site hospedado, sem o esqueleto do artifact) */
html{-webkit-text-size-adjust:100%}
body{margin:0}
img,svg{max-width:100%}
.skip{position:absolute;left:-9999px;top:0;background:var(--signal);color:var(--signal-ink);padding:10px 16px;z-index:20;font-weight:600}
.skip:focus{left:16px;top:16px}
.crumbs{font-family:var(--f-mono);font-size:.8rem;color:var(--muted);padding-top:28px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:8px;flex-wrap:wrap}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line)}
.crumbs a{color:var(--muted)}
.faq{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-family:var(--f-display);font-weight:700;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-family:var(--f-mono)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin-top:10px;max-width:70ch}
.muted{color:var(--muted)}

/* seletor de idioma */
.nav-right{display:flex;align-items:center;gap:8px}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;font-family:var(--f-mono);font-size:.82rem;color:var(--ink);min-height:40px}
.lang summary::-webkit-details-marker{display:none}
.lang[open] summary{border-color:var(--accent)}
.lang-list{position:absolute;right:0;top:calc(100% + 6px);z-index:12;list-style:none;margin:0;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgba(16,32,27,.14);min-width:220px}
.lang-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.95rem}
.lang-list a:hover{background:var(--bg)}
.lang-list a[aria-current="true"]{background:var(--bg);font-weight:600}
.lang-code{font-family:var(--f-mono);font-size:.74rem;color:var(--muted);min-width:30px}
@media (max-width:820px){.nav{position:relative}}
/* chinês simplificado */
:lang(zh){--f-display:"Bricolage Grotesque","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--f-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}
:lang(zh) h1,:lang(zh) h2,:lang(zh) h3{letter-spacing:0;line-height:1.25}
:lang(zh) .eyebrow,:lang(zh) .log{letter-spacing:.02em}
/* palavras longas (alemão) quebram com hífen em telas estreitas */
h1,h2,h3,p,li,summary,.lead,.card,.step{overflow-wrap:break-word}
@media (max-width:600px){h1,h2,h3,p,li,.lead{-webkit-hyphens:auto;hyphens:auto}}
:lang(de) .hero h1{font-size:clamp(2rem,3.4vw,2.8rem)}
@media (max-width:480px){h1{font-size:clamp(1.9rem,8.4vw,2.6rem)}}

.log-head span:first-child::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--signal);margin-right:8px;vertical-align:1px;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
@media (max-width:480px){.log{font-size:.82rem}.log li{grid-template-columns:46px 1fr auto;padding:9px 14px}.log-head,.log-foot{padding:14px}}

.lang summary::marker{content:"";display:none}
.nav-right{flex-wrap:nowrap}
.lang summary span{line-height:1}

@media (max-width:600px){h1,h2{-webkit-hyphens:manual;hyphens:manual}:lang(de) h1,:lang(de) h2{-webkit-hyphens:auto;hyphens:auto}}
/* sócios na página de contato */
.founders{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:520px){.founders{grid-template-columns:1fr}}
.founder{display:flex;flex-direction:column;gap:2px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);min-width:0;overflow-wrap:anywhere}
.founder b{font-family:var(--f-display);font-size:1.05rem}
.founder a{font-size:.92rem}
a.copy{text-decoration:none;display:inline-flex;align-items:center}