/* ===== Tokens ===== */
:root{
  --navy: #55564E;
  --navy-2: #454640;
  --teal: #A89468;
  --teal-bright: #C9B896;
  --ice: #EDEAE0;
  --bg: #F7F6F0;
  --ink: #33322D;
  --ink-soft: #6B6A62;
  --line: #DAD6C8;
  --card-light: #E6E7DF;
  --serif: 'IBM Plex Sans', -apple-system, sans-serif;
  --sans: 'IBM Plex Sans', -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --maxw: 1160px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--serif); color:var(--navy); margin:0 0 .5em; line-height:1.15; font-weight:700;}
h1{font-size:clamp(2.2rem,5vw,3.6rem); font-weight:800; letter-spacing:-.01em;}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem); font-weight:700; letter-spacing:-.01em;}
h3{font-size:1.25rem; margin-bottom:.4em; font-weight:700;}
p{margin:0 0 1em;}
em{font-style:normal; color:var(--teal); font-weight:600;}
a{color:inherit;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.wrap-narrow{max-width:720px;}

.skip-link{position:absolute; left:-999px; top:0; background:var(--navy); color:#fff; padding:12px 20px; z-index:200;}
.skip-link:focus{left:12px; top:12px;}

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(247,246,240,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 24px;}
.logo{display:inline-flex; align-items:center; text-decoration:none;}
.logo-img{height:40px; width:auto; display:block;}
.logo-img-footer{height:36px;}
.nav{display:flex; align-items:center; gap:20px;}
.nav a{text-decoration:none; color:var(--ink-soft); font-size:.92rem; font-weight:500; transition:color .15s; white-space:nowrap;}
.nav a:hover, .nav a:focus-visible{color:var(--teal);}
.nav-cta{background:var(--navy); color:#fff !important; padding:8px 18px; border-radius:2px; flex-shrink:0;}
.lang-switcher{display:flex; flex-wrap:nowrap; flex-shrink:0; align-items:center; gap:8px;}
.lang-flag{
  display:block; flex-shrink:0; width:34px; height:24px; border-radius:3px; overflow:hidden;
  opacity:.4; filter:grayscale(40%); transition:opacity .15s, filter .15s, transform .15s;
  border:1.5px solid transparent; line-height:0;
}
.lang-flag svg{display:block; width:100%; height:100%;}
.lang-flag:hover{opacity:.75; filter:grayscale(0%);}
.lang-flag.active{opacity:1; filter:grayscale(0%); border-color:var(--teal); transform:scale(1.12);}
.nav-cta:hover{background:var(--teal);}
.nav-toggle{display:none; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer; padding:8px;}
.nav-toggle span{width:24px; height:2px; background:var(--navy); display:block;}

/* ===== Hero ===== */
.hero{
  position:relative; background:var(--navy); color:#fff; overflow:hidden;
  padding:min(18vh,160px) 0 min(12vh,110px);
}
#chainCanvas{position:absolute; inset:0; width:100%; height:100%; opacity:.35;}
.hero-inner{
  position:relative; z-index:2;
  display:flex; align-items:center; justify-content:space-between; gap:48px;
}
.hero-text{max-width:600px; flex:1 1 480px;}
.eyebrow{
  font-family:var(--mono); font-size:.8rem; text-transform:uppercase; letter-spacing:.12em;
  color:var(--teal-bright); margin-bottom:1.2em; font-weight:500;
}
.eyebrow-light{color:var(--teal-bright);}
.eyebrow-dark{color:var(--teal);}
.hero h1{color:#fff;}
.hero-lede{font-size:1.15rem; color:var(--ice); max-width:620px;}
.hero-actions{display:flex; gap:16px; margin-top:2em; flex-wrap:wrap;}

/* ===== Hero visual: foto com malha de landmarks faciais ===== */
.hero-visual{flex:0 0 380px; display:flex; flex-direction:column; align-items:center;}
.photo-stage{position:relative; width:380px; height:210px;}
.photo-face{
  width:100%; height:100%; object-fit:contain; display:block;
  border-radius:12px;
}

.mesh-lines line{stroke:var(--teal-bright); stroke-width:1; opacity:.4;}
.mesh-points circle{
  fill:var(--teal-bright);
  opacity:.65;
  filter:drop-shadow(0 0 2px var(--teal-bright));
  animation:meshPulse 4.2s ease-in-out infinite;
  animation-delay:var(--d,0s);
}
@keyframes meshPulse{
  0%,100%{opacity:.45;}
  50%{opacity:.95;}
}

.face-caption{
  margin-top:1.2em; font-family:var(--mono); font-size:.72rem; letter-spacing:.08em;
  text-transform:uppercase; color:var(--teal-bright); opacity:.6; text-align:center;
}

/* equacoes vetoriais: fixas, sem piscar */
.vector-eq{
  position:absolute; font-family:var(--mono); font-size:.62rem; white-space:nowrap;
  color:var(--teal-bright); opacity:.55; letter-spacing:.01em;
}

.btn{
  display:inline-block; padding:13px 28px; border-radius:2px; text-decoration:none;
  font-weight:600; font-size:.95rem; transition:all .15s; border:1.5px solid transparent;
}
.btn-primary{background:var(--teal); color:#fff;}
.btn-primary:hover{background:var(--teal-bright);}
.btn-ghost{border-color:rgba(255,255,255,.35); color:#fff;}
.btn-ghost:hover{border-color:#fff; background:rgba(255,255,255,.08);}

/* ===== Sections ===== */
.section{padding:min(14vh,120px) 0;}
.section-dark{background:var(--navy); color:#fff;}
.section-dark h2, .section-dark h3{color:#fff;}
.section-signature{background:linear-gradient(180deg,var(--navy) 0%, var(--navy-2) 100%); color:#fff;}
.section-signature h2, .section-signature h3{color:#fff;}
.section-lede{font-size:1.1rem; color:var(--ink-soft); max-width:680px; margin-top:.6em;}
.section-lede-light{color:var(--ice);}

/* Chain divider */
.chain-divider{position:relative; height:60px; background:var(--bg);}
.chain-divider svg{width:100%; height:60px; display:block;}
.chain-line{stroke:var(--line); stroke-width:1.5;}
.chain-dots{position:absolute; inset:0; display:flex; align-items:center; justify-content:space-evenly; padding:0 6%;}
.chain-dots span{width:9px; height:9px; border-radius:50%; background:var(--teal); opacity:.35;}
.chain-dots span:nth-child(odd){opacity:.7;}

/* Principle cards */
.principle-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:3em;}
.principle-card{
  background:#fff; border:1px solid var(--line); padding:32px 28px; border-radius:3px;
}
.principle-mark{font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; color:var(--teal);}

.place-grid{display:flex; flex-wrap:wrap; gap:28px; margin:1.8em 0 2.4em;}
.place-item{display:flex; flex-direction:column; align-items:center; gap:10px; width:110px; text-align:center;}
.place-icon{
  width:58px; height:58px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  border:1.4px solid var(--teal); background:rgba(15,110,86,.05);
}
.place-icon svg{width:26px; height:26px; stroke:var(--teal);}
.place-label{font-size:.82rem; color:var(--ink); font-weight:500; line-height:1.25;}

.misp-block{margin-top:3.4em; padding-top:3em; border-top:1px solid rgba(255,255,255,.14);}
.misp-block h3{color:#fff; margin:.4em 0 .6em; font-size:1.5rem;}
.motor-subhead{color:#fff; font-size:1rem; font-weight:600; margin:1.8em 0 .8em;}
.bench-table{display:grid; gap:1px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.14); border-radius:3px; overflow:hidden; max-width:520px;}
.bench-row{display:flex; justify-content:space-between; background:rgba(255,255,255,.03); padding:10px 16px;}
.bench-name{font-size:.9rem; color:var(--ice);}
.bench-value{font-family:var(--mono); font-size:.9rem; color:var(--teal-bright); font-weight:600;}
.cosine-explainer{display:flex; gap:36px; align-items:center; flex-wrap:wrap; margin-top:.4em;}
.cosine-diagram{
  flex:0 0 300px; width:300px; max-width:100%; box-sizing:border-box;
  background:rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.14); border-radius:4px;
  padding:16px;
}
.cosine-diagram svg{display:block; width:100%; height:auto; max-width:268px; margin:0 auto;}
.cosine-text{flex:1 1 340px; margin:0; min-width:0;}

.misp-note{
  margin-top:1.6em; font-size:.9rem; color:var(--ice); opacity:.85;
  border-left:2px solid var(--teal-bright); padding-left:16px; max-width:760px;
}

.roadmap-block{margin-top:3.4em; padding-top:3em; border-top:1px solid rgba(255,255,255,.14);}
.pipeline{display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin:1.6em 0;}
.pipeline-step{
  font-family:var(--mono); font-size:.78rem; color:var(--ice); background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16); border-radius:20px; padding:7px 16px; white-space:nowrap;
}
.pipeline-step-accent{color:var(--navy); background:var(--teal-bright); border-color:var(--teal-bright); font-weight:600;}
.pipeline-arrow{color:var(--teal-bright); opacity:.7; font-size:.9rem;}

.roadmap-title{color:#fff; font-size:1.05rem; margin:2.2em 0 1.4em; font-weight:600;}
.roadmap-track{display:flex; gap:0; margin-top:1em;}
.roadmap-item{
  flex:1; position:relative; padding-top:22px; padding-right:18px;
  border-top:2px dashed rgba(31,163,131,.4);
}
.roadmap-dot{
  position:absolute; top:-6px; left:0; width:11px; height:11px; border-radius:50%;
  background:var(--teal-bright);
}
.roadmap-when{display:block; font-family:var(--mono); font-size:.7rem; text-transform:uppercase; letter-spacing:.06em; color:var(--teal-bright); margin-bottom:.4em;}
.roadmap-what{display:block; font-family:var(--serif); font-size:1.05rem; font-weight:600; color:#fff; margin-bottom:.5em;}
.roadmap-desc{display:block; font-size:.82rem; color:var(--ice); opacity:.85; line-height:1.4;}
.principle-card h3{margin-top:.5em;}
.principle-card p{color:var(--ink-soft); margin:0; font-size:.96rem;}

/* Flow */
.flow-grid{display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:3em;}
.flow-card{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.14); padding:32px; border-radius:3px;}
.flow-tag{font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; color:var(--teal-bright);}
.flow-card h3{color:#fff; margin-top:.4em;}
.flow-steps{list-style:none; counter-reset:step; padding:0; margin:1.4em 0 0;}
.flow-steps li{
  counter-increment:step; position:relative; padding:0 0 1.1em 38px; color:var(--ice); font-size:.94rem;
}
.flow-steps li::before{
  content:counter(step); position:absolute; left:0; top:0; width:24px; height:24px;
  border:1px solid var(--teal-bright); border-radius:50%; color:var(--teal-bright);
  font-family:var(--mono); font-size:.75rem; display:flex; align-items:center; justify-content:center;
}
.flow-steps li strong{color:#fff;}

/* Como funciona: diagrama de icones + texto detalhado, lado a lado */
.mode-block{
  display:grid; grid-template-columns:300px 1fr; gap:0;
  margin-top:2.6em; border:1px solid rgba(255,255,255,.14); border-radius:3px; overflow:hidden;
}
.mode-block + .mode-block{margin-top:2em;}
.mode-diagram{background:rgba(255,255,255,.04); padding:28px; border-right:1px solid rgba(255,255,255,.12);}
.mode-diagram h3{color:#fff; margin-top:.4em; font-size:1.15rem;}
.mode-detail{padding:32px 36px;}
.mode-detail .flow-steps{margin-top:0;}

.mode-flow{display:flex; flex-direction:column; align-items:center; margin-top:1.8em;}
.flow-node{display:flex; flex-direction:column; align-items:center; gap:10px; text-align:center;}
.flow-icon{
  position:relative; width:52px; height:52px; border-radius:10px;
  border:1.4px solid var(--teal-bright); background:rgba(31,163,131,.1);
  display:flex; align-items:center; justify-content:center;
}
.flow-icon svg{width:26px; height:26px; stroke:var(--teal-bright);}
.flow-num{
  position:absolute; top:-8px; left:-8px; width:19px; height:19px; border-radius:50%;
  background:var(--teal-bright); color:var(--navy); font-family:var(--mono); font-size:.62rem;
  font-weight:700; display:flex; align-items:center; justify-content:center;
}
.flow-label{font-size:.76rem; color:var(--ice); max-width:170px; line-height:1.3;}
.flow-connector{width:1.5px; height:26px; background:linear-gradient(var(--teal-bright), rgba(31,163,131,.15)); margin:2px 0;}

/* Para Governos: vias legais, fluxo do piloto, callout escuro */
.sub-h-light{color:#fff;}
.path-grid{display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:1.6em;}
.path-card{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.14); padding:32px; border-radius:3px;}
.path-num{font-family:var(--mono); font-size:.72rem; color:var(--teal-bright); letter-spacing:.1em;}
.path-card h3{color:#fff; margin:.5em 0 .5em; font-size:1.1rem;}
.path-card p{color:var(--ice); font-size:.94rem; margin:0; line-height:1.55;}
.path-law{display:block; font-family:var(--mono); font-size:.68rem; text-transform:uppercase; letter-spacing:.06em; color:var(--teal-bright); margin-bottom:.6em;}
.policy-grid{grid-template-columns:repeat(3,1fr);}

.pilot-flow{display:flex; align-items:flex-start; margin-top:2em; gap:8px;}
.pilot-step{flex:1; display:flex; flex-direction:column; align-items:center; text-align:center;}
.pilot-connector{flex:0 0 32px; height:1.5px; background:var(--teal-bright); opacity:.35; margin-top:32px;}
.flow-icon-lg{width:64px; height:64px;}
.flow-icon-lg svg{width:30px; height:30px;}
.pilot-step h4{color:#fff; font-size:.98rem; margin:.9em 0 .4em;}
.pilot-step p{color:var(--ice); font-size:.85rem; margin:0; max-width:210px; line-height:1.5;}

.callout-dark{background:rgba(255,255,255,.04); border-left:3px solid var(--teal-bright); margin:2.4em 0 2em;}
.callout-dark h4{color:#fff;}
.callout-dark p{color:var(--ice);}

.pilot-highlight{
  margin-top:2.6em; padding:36px 40px 40px; border-radius:6px;
  background:linear-gradient(180deg, rgba(31,163,131,.09), rgba(31,163,131,.02));
  border:1px solid rgba(31,163,131,.35);
  box-shadow:0 0 0 1px rgba(31,163,131,.06), 0 24px 48px rgba(0,0,0,.28);
}
.pilot-badge{
  display:inline-block; background:var(--teal-bright); color:var(--navy);
  font-family:var(--mono); font-size:.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.06em; padding:5px 13px; border-radius:20px;
}
.pilot-title{margin-top:.5em;}

/* Future grid */
.future-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:32px; margin-top:2.6em;}
.future-item h3{color:#fff;}
.future-item p{color:var(--ice); font-size:.96rem;}
.future-disclaimer{
  margin-top:2.6em; font-size:.85rem; color:#9A9587; font-style:italic;
  border-left:2px solid var(--teal-bright); padding-left:16px;
}

/* Stats */
.stat-row{display:flex; gap:56px; margin:2.6em 0; flex-wrap:wrap;}
.stat-row-tight{gap:40px; margin:1.8em 0;}
.stat{display:flex; flex-direction:column;}
.stat-number{font-family:var(--mono); font-size:2.2rem; color:var(--teal); font-weight:500;}
.stat-label{font-size:.85rem; color:var(--ink-soft); max-width:180px; margin-top:.3em;}

.team-grid{display:grid; grid-template-columns:1fr 1fr; gap:32px; margin-top:2em;}
.team-card{background:var(--card-light); border:1px solid var(--line); border-radius:4px; padding:32px;}
.team-card h3{margin-bottom:.15em;}
.team-role{display:block; font-family:var(--mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color:var(--teal); margin-bottom:1.1em;}
.team-bio{list-style:none; margin:0; padding:0; display:grid; gap:.55em;}
.team-bio li{position:relative; padding-left:1.2em; font-size:.92rem; color:var(--ink-soft); line-height:1.45;}
.team-bio li::before{content:"—"; position:absolute; left:0; color:var(--teal);}

/* Por que a Tofind: problema, gargalos, missao/visao */
.problem-tag{
  font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.1em;
  color:var(--teal); margin-top:2.2em;
}
.problem-intro{font-family:var(--serif); font-size:1.15rem; color:var(--navy); margin:.3em 0 0;}
.sub-h{margin-top:2em; font-size:1.15rem;}

.reason-list{list-style:none; padding:0; margin:1.2em 0 0; display:grid; gap:14px; max-width:720px;}
.reason-list li{padding-left:1.3em; position:relative; color:var(--ink-soft); font-size:.98rem;}
.reason-list li::before{content:"—"; position:absolute; left:0; top:0; color:var(--teal);}
.reason-list li strong{color:var(--navy);}

.callout{
  background:rgba(15,110,86,.05); border-left:3px solid var(--teal);
  padding:28px 32px; margin:2em 0; border-radius:2px; max-width:760px;
}
.callout h4{margin:0 0 .6em; font-size:1.1rem;}
.callout p{margin:0 0 .8em; color:var(--ink-soft); font-size:.98rem;}
.callout p:last-of-type{margin-bottom:0;}
.callout-source{
  font-family:var(--mono); font-size:.7rem; color:var(--teal); opacity:.8;
  text-transform:uppercase; letter-spacing:.04em;
}

.mv-grid{display:grid; grid-template-columns:1fr 1fr; gap:40px; margin:2.8em 0 3.2em;}
.mv-label{
  font-family:var(--mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.1em; color:var(--teal);
}
.mv-block p{font-family:var(--serif); font-size:1.25rem; line-height:1.4; color:var(--navy); margin:.5em 0 0;}

/* Contact form */
.contact-form{margin-top:2.4em;}
.form-row{margin-bottom:20px; display:flex; flex-direction:column; gap:6px;}
.form-row label{font-size:.85rem; font-weight:600; color:var(--navy);}
.form-row input, .form-row textarea{
  font-family:var(--sans); font-size:1rem; padding:12px 14px; border:1px solid var(--line);
  border-radius:2px; background:#fff; color:var(--ink); resize:vertical;
}
.form-row input:focus, .form-row textarea:focus{outline:2px solid var(--teal); outline-offset:1px;}
.form-status{font-size:.9rem; color:var(--teal); margin-top:12px; min-height:1.2em;}

/* Footer */
.site-footer{background:var(--navy); color:#9A9587; padding:36px 0;}
.footer-inner{display:flex; align-items:center; gap:28px; flex-wrap:wrap;}
.logo-footer{display:inline-flex;}
.site-footer p{margin:0; font-size:.85rem;}

/* Focus visibility */
a:focus-visible, button:focus-visible{outline:2px solid var(--teal-bright); outline-offset:2px;}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  #chainCanvas{display:none;}
  .mesh-points circle{animation:none; opacity:.55;}
}

/* ===== Responsive ===== */
@media (max-width: 1080px){
  .nav{position:fixed; inset:64px 0 auto 0; background:var(--bg); flex-direction:column; align-items:flex-start;
       padding:20px 24px; border-bottom:1px solid var(--line); gap:18px; transform:translateY(-120%); transition:transform .2s;}
  .nav.open{transform:translateY(0);}
  .nav-toggle{display:flex;}
  .principle-grid, .flow-grid, .future-grid, .mv-grid, .mode-block, .path-grid, .policy-grid, .team-grid{grid-template-columns:1fr;}
  .mode-diagram{border-right:none; border-bottom:1px solid rgba(255,255,255,.12);}
  .pilot-flow{flex-direction:column; gap:24px;}
  .pilot-connector{display:none;}
  .pilot-highlight{padding:28px 24px 32px;}
  .stat-row{gap:32px;}
  .hero-inner{flex-direction:column; text-align:left;}
  .hero-visual{flex:0 0 auto; margin-top:1.5em;}
  .photo-stage{width:280px; height:155px;}
  .roadmap-track{flex-direction:column; gap:26px;}
  .roadmap-item{padding-top:18px; padding-right:0;}
  .place-grid{gap:20px; justify-content:center;}
}

@media (max-width: 560px){
  .hero-visual{display:none;}
}