/* ============================================================
   Centro de Longevidade Einstein — site v3 (16/10/2026)
   Registro: autoridade serena — ver 05_sintese/site/registro_site_v2.md
   v3: a página É a travessia — um fio desce costurando as estações
   (Medir · Entender · Modular, nas cores dos estágios do mapa),
   protocolos e eixos pendem do fio como ramos, a garganta estreita,
   o ano é uma órbita, a chegada é a luz. Fundo: câmera dentro do túnel.
   ============================================================ */

:root{
  --paper:#FBF9F4;          /* papel quente — DENTRO do túnel */
  --fora:#E7EDF5;           /* gelo frio — FORA da silhueta (imersão) */
  --paper-deep:#F3EFE6;     /* faixa alternada */
  --ink:#0C3A6F;            /* marinho Einstein — títulos */
  --text:#31425A;           /* corpo */
  --muted:#6B7A90;          /* notas */
  --accent:#1774DE;         /* único acento vivo */
  --medir:#1774DE;          /* os três movimentos herdam os estágios do mapa */
  --entender:#0f7a64;
  --modular:#9c5518;
  --hairline:rgba(12,58,111,.14);
  --card:#FFFFFF;
  --radius:18px;
  --maxw:1140px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--fora);color:var(--text);
  font-family:'Inter',system-ui,sans-serif;font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--ink);color:var(--paper)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.hero .wrap,.contato .wrap,footer .wrap{position:relative}
.serif{font-family:'Fraunces',Georgia,serif;font-weight:560;color:var(--ink);letter-spacing:-.015em}

/* ---- a passagem no fundo do site: a malha de arame do buraco de minhoca
   (meridianos + anéis em perspectiva), um objeto só do alto da página ao fim ---- */
body{position:relative}
.passagem-fundo{position:absolute;top:0;left:0;width:100%;z-index:0;pointer-events:none}
.pf-interior{fill:var(--paper)}
.pf-borda{fill:none;stroke:var(--ink);stroke-width:2;opacity:.62}
.pf-merid{fill:none;stroke:var(--ink);stroke-width:1;opacity:.3}
.pf-anel{fill:none;stroke:var(--ink);stroke-width:1;opacity:.33}
@media(max-width:860px){body{background:var(--paper)}.passagem-fundo{display:none}}

/* ---- o portal de entrada (a travessia antes do site) ---- */
#portal-intro{position:fixed;inset:0;z-index:200;background:#071A30;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:opacity 1.1s ease}
#portal-intro.out{opacity:0;pointer-events:none}
#portal-warp{position:absolute;inset:0;width:100%;height:100%}
.pi-selo{position:relative;z-index:2;text-align:center;opacity:0;animation:piIn 1.6s ease .7s forwards}
@keyframes piIn{to{opacity:1}}
.pi-mapa{position:relative;display:inline-block;margin:0 0 20px}
.pi-selo img{width:min(230px,52vw);height:auto;display:block;
  filter:drop-shadow(0 0 26px rgba(23,116,222,.45));animation:piPulse 3s ease-in-out infinite;
  transform-origin:50% 22%}
@keyframes piPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.03)}}
/* o mergulho: o selo se aproxima e se abre (sem distorcer a forma);
   quem faz a entrada física é a rajada de anéis do túnel no canvas */
@keyframes mergulho{
  0%{transform:scale(1);opacity:1}
  55%{transform:scale(2.4);opacity:.85}
  100%{transform:scale(4);opacity:0}
}
/* as legendas do método, ancoradas nas bocas e na garganta */
.pi-m{position:absolute;left:104%;font-family:'Fraunces',Georgia,serif;font-weight:600;
  font-size:clamp(13px,1.6vw,16px);letter-spacing:.05em;white-space:nowrap;transition:opacity .3s ease}
.pi-m1{top:2%;color:#8FC2FF}
.pi-m2{top:46%;color:#7FD6BD}
.pi-m3{bottom:2%;color:#EBB876}
/* a travessia: deitar e entrar */
#portal-intro.cross{cursor:default}
#portal-intro.cross .pi-selo img{animation:mergulho 1.7s cubic-bezier(.5,.05,.75,.5) forwards}
#portal-intro.cross .pi-m,
#portal-intro.cross .pi-nome,
#portal-intro.cross .pi-hint{opacity:0;transition:opacity .35s ease}
.pi-nome{margin:0;font-family:'Fraunces',Georgia,serif;font-size:clamp(17px,2.3vw,24px);
  color:rgba(245,243,236,.95);letter-spacing:.03em}
.pi-nome strong{font-weight:600}
.pi-hint{margin:16px 0 0;font-size:11.5px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;
  color:rgba(245,243,236,.55);animation:piHint 2.2s ease-in-out infinite}
@keyframes piHint{0%,100%{opacity:.35}50%{opacity:.9}}
body.traveling{overflow:hidden}
body.traveling nav{opacity:0}
nav{transition:opacity .8s ease}
@media(prefers-reduced-motion:reduce){#portal-intro{display:none}body.traveling{overflow:auto}body.traveling nav{opacity:1}}

/* ---- nav ---- */
nav{position:sticky;top:0;z-index:50;background:rgba(240,244,249,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--hairline)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Fraunces',serif;font-size:19px;color:var(--ink);text-decoration:none;font-weight:600}
.brand-selo{width:44px;height:auto;flex:none}
.brand small{display:block;font-family:'Inter',sans-serif;font-weight:500;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.nav-links{display:flex;gap:28px}
.nav-links a{color:var(--text);text-decoration:none;font-size:14.5px;font-weight:500}
.nav-links a:hover{color:var(--accent)}
@media(max-width:860px){.nav-links{display:none}}

/* ---- hero ---- */
.hero{padding:120px 0 90px;text-align:left}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 22px}
.hero h1{font-size:clamp(44px,7vw,84px);line-height:1.04;margin:0 0 26px;max-width:14ch}
.hero p.lead{font-size:clamp(18px,2.2vw,22px);color:var(--text);max-width:52ch;margin:0 0 40px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:9px;padding:15px 28px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--accent)}
.btn-line{color:var(--ink);border:1.5px solid var(--hairline)}
.btn-line:hover{border-color:var(--accent);color:var(--accent)}

/* "hoje" / "os seus próximos anos" — as pontas do percurso */
.tv-ponta{position:relative;text-align:center;font-family:'Fraunces',Georgia,serif;font-style:italic;font-size:17px;color:var(--muted);margin:0 0 46px}
.hero .tv-ponta{margin:76px 0 0}
.contato .tv-ponta{margin:0 auto 22px}

/* ============================================================
   O PERCURSO — o fio que desce costurando as estações
   ============================================================ */
#percurso{position:relative}
.fio-site{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.fio-site line{stroke:var(--accent);stroke-width:2.5;stroke-linecap:round;
  stroke-dasharray:100;stroke-dashoffset:100}
@media(prefers-reduced-motion:reduce){.fio-site line{stroke-dashoffset:0}}
@media(max-width:860px){.fio-site{display:none}}

/* nó de estação: um marco no fio, na cor do movimento */
.no-fio{position:relative;width:15px;height:15px;margin:0 auto 30px;border-radius:50%;
  background:var(--paper);border:2.5px solid var(--accent)}
.nf-medir{border-color:var(--medir)}
.nf-entender{border-color:var(--entender)}
.nf-modular{border-color:var(--modular)}
@media(max-width:860px){.no-fio{display:none}}

/* rótulo vertical na margem — o mesmo gesto do mapa */
/* as LETRAS fazem a ligação com o trecho: grandes, na cor plena do movimento */
.rotulo-vert{position:absolute;writing-mode:vertical-rl;transform:rotate(180deg);
  font-family:'Fraunces',Georgia,serif;font-size:30px;font-weight:600;letter-spacing:.3em;
  margin-left:-76px;margin-top:4px;color:var(--muted);opacity:.9}
.rv-medir{color:var(--medir)}
.rv-entender{color:var(--entender)}
.rv-modular{color:var(--modular)}
@media(max-width:1280px){.rotulo-vert{display:none}}

/* eyebrow de movimento, na cor do estágio */
.mov{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin:0 0 14px}
.m-medir{color:var(--medir)}
.m-entender{color:var(--entender)}
.m-modular{color:var(--modular)}

/* cada estação ecoa a cor do seu rótulo nas próprias letras, dentro da silhueta */
#medir .sec-head h2{color:var(--medir)}
#medir .prot h3{color:var(--medir)}
.garganta-inner h2{color:var(--entender)}
#modular .sec-head h2{color:var(--modular)}
#modular .eixo h3{color:var(--modular)}

/* ---- o portal: um bloco navy flutuando DENTRO do túnel (não uma faixa) ---- */
.manifesto{padding:84px 0 40px}
.portal{position:relative;background:var(--ink);color:var(--paper);border-radius:24px;
  max-width:940px;margin:0 auto;padding:68px 64px}
.portal .nots{font-family:'Fraunces',serif;font-size:clamp(26px,4vw,44px);line-height:1.25;margin:0 0 28px;color:var(--paper);max-width:24ch}
.portal .nots em{font-style:normal;opacity:.45}
.portal p{font-size:clamp(17px,2vw,20px);max-width:56ch;color:rgba(251,249,244,.86);margin:0}
/* a ponte do M, dentro da própria frase do manifesto */
.nots .e1{color:#8FC2FF}
.nots .e2{color:#7FD6BD}
.nots .e3{color:#EBB876}
@media(max-width:640px){.portal{padding:44px 30px}}

/* ---- seções ---- */
section{padding:104px 0}
#percurso section .wrap{position:static}
#percurso section{position:static}
.sec-head{position:relative;max-width:62ch;margin-bottom:52px;background:var(--paper)}
.sec-head.centrada{max-width:620px;margin-left:auto;margin-right:auto;text-align:center;padding:0 12px}
.sec-head h2{font-size:clamp(30px,4.4vw,50px);line-height:1.1;margin:0 0 16px}
.sec-head p{font-size:17.5px;color:var(--muted);margin:0}
.alt{background:var(--paper-deep)}

/* ---- medir: os protocolos descem em zigzag, afunilando com a silhueta ----
   larguras decrescentes (440 → 400 → 380) pendem do fio por conectores;
   o conteúdo desenha o funil, não só cabe nele. */
.prots{margin-bottom:30px}
.prot{position:relative;background:var(--card);border:1px solid var(--hairline);border-radius:var(--radius);padding:34px 30px;display:flex;flex-direction:column;margin-bottom:34px}
.prot.p-1{max-width:440px;margin-left:auto;margin-right:calc(50% + 30px)}
.prot.p-2{max-width:400px;margin-left:calc(50% + 30px);margin-right:auto}
.prot.p-3{max-width:380px;margin-left:auto;margin-right:auto}
.prot.p-1::after,.prot.p-2::after{content:"";position:absolute;top:44px;width:30px;height:1.5px;background:rgba(12,58,111,.3)}
.prot.p-1::after{right:-30px}
.prot.p-2::after{left:-30px}
@media(max-width:860px){
  .prot.p-1,.prot.p-2,.prot.p-3{max-width:none;margin:0 0 22px}
  .prot.p-1::after,.prot.p-2::after{display:none}
}
.prot .faixa{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--medir);margin:0 0 12px}

/* slot de fotografia (placeholder honesto, em duotone da identidade) */
.foto-slot{position:relative;aspect-ratio:3/2;border-radius:12px;margin:0 0 20px;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;text-align:center;
  background:linear-gradient(135deg,#0C3A6F 0%,#1774DE 62%,#9EC3EE 100%)}
.foto-slot span{font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(251,249,244,.95);padding:0 14px}
.foto-slot small{font-size:10px;color:rgba(251,249,244,.6)}
.contato .foto-slot.larga{max-width:680px;margin:40px auto 0;aspect-ratio:21/9}
.prot h3{font-family:'Fraunces',serif;font-size:26px;color:var(--ink);margin:0 0 12px;font-weight:600}
.prot p{margin:0 0 18px;font-size:15.5px}
.prot ul{margin:0;padding:0;list-style:none;font-size:14px;color:var(--muted)}
.prot ul li{padding:7px 0;border-top:1px solid var(--hairline)}
.curadoria{position:relative;background:var(--ink);border-radius:var(--radius);padding:40px 38px;color:var(--paper);display:flex;gap:28px;align-items:center;flex-wrap:wrap;justify-content:space-between;max-width:680px;margin:0 auto}
.curadoria h3{font-family:'Fraunces',serif;font-size:27px;margin:0 0 8px;color:var(--paper);font-weight:600}
.curadoria p{margin:0;max-width:58ch;color:rgba(251,249,244,.86);font-size:15.5px}
.curadoria .btn-line{color:var(--paper);border-color:rgba(251,249,244,.4)}
.curadoria .btn-line:hover{border-color:var(--paper);color:var(--paper)}

/* ---- entender: a garganta (o ponto mais apertado do conteúdo) ---- */
.garganta{padding:132px 0}
.garganta-inner{position:relative;max-width:460px;margin:0 auto;text-align:center;
  background:var(--paper);padding:10px 18px}
.garganta-inner h2{font-size:clamp(30px,4.2vw,44px);line-height:1.1;margin:0 0 20px}
.garganta-inner p{font-size:16.5px;color:var(--muted);margin:0}
.garganta-inner .mov{text-align:center}

/* ---- modular: a saída reabre, par a par (640 → 780 → 920) ----
   o fio passa no vão central de cada par. */
.par{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin:0 auto 26px}
.par-1{max-width:640px}
.par-2{max-width:780px}
.par-3{max-width:920px}
@media(max-width:860px){.par{grid-template-columns:1fr;gap:22px;max-width:none;margin:0 0 22px}}
.eixo{position:relative;background:var(--card);border:1px solid var(--hairline);border-radius:var(--radius);padding:28px 26px;transition:border-color .25s ease, transform .25s ease}
.eixo:hover{border-color:var(--modular);transform:translateY(-3px)}
.eixo h3{font-family:'Fraunces',serif;font-size:21px;color:var(--ink);margin:0 0 8px;font-weight:600}
.eixo p{margin:0;font-size:15px;color:var(--text)}

/* ---- o primeiro ano: marcos pendurados no fio ---- */
.marcos{list-style:none;margin:0;padding:0}
.marco{position:relative;max-width:520px;margin:0 auto 46px;text-align:center;background:var(--paper);padding:0 16px}
.marco:last-child{margin-bottom:0}
.m-no{display:block;width:11px;height:11px;margin:0 auto 14px;border-radius:50%;background:var(--paper);border:2.5px solid var(--accent)}
.m-rotulo{margin:0 0 6px;font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.marco p:not(.m-rotulo){margin:0;font-size:15.5px;color:var(--text)}

/* ---- a voz da pesquisa ---- */
#voz{padding:84px 0}
.voz-inner{position:relative;max-width:640px;margin:0 auto;text-align:center;background:var(--paper);padding:8px 18px}
.voz-inner blockquote{margin:0 0 16px;font-size:clamp(30px,4.4vw,48px);line-height:1.15;color:var(--ink);font-weight:560}
.voz-inner figcaption{font-size:14px;color:var(--muted);font-style:italic}

/* ---- perguntas (a conversa direta) ---- */
.faq{position:relative;max-width:640px;margin:0 auto;background:var(--paper)}
.faq details{border-top:1px solid var(--hairline);padding:4px 2px}
.faq details:last-child{border-bottom:1px solid var(--hairline)}
.faq summary{cursor:pointer;list-style:none;padding:16px 28px 16px 2px;position:relative;
  font-family:'Fraunces',Georgia,serif;font-size:19px;font-weight:600;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  color:var(--accent);font-family:'Inter',sans-serif;font-weight:400;font-size:22px;transition:transform .25s ease}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq summary:hover{color:var(--accent)}
.faq p{margin:0 0 18px;padding-right:28px;font-size:15.5px;color:var(--text)}

/* o selo anotado: M¹ na boca de entrada, M² na garganta, M³ na boca de saída */
.selo-mapa{position:relative;width:300px;margin:0 auto 26px}
@media(max-width:640px){.selo-mapa{width:200px}}
.selo-mapa .orbita{width:100%;margin:0}
.orbita{width:300px;height:auto;display:block;margin:0 auto 26px}
.sm-m{position:absolute;font-family:'Fraunces',Georgia,serif;font-weight:600;font-size:20px}
.sm-1{top:2%;right:-13%;color:var(--medir)}
.sm-2{top:45%;right:8%;color:var(--entender)}
.sm-3{bottom:2%;right:-13%;color:var(--modular)}

/* ---- a chegada ---- */
.contato{text-align:center}
.contato h2{font-size:clamp(32px,5vw,56px);margin:0 0 18px}
.contato p{max-width:48ch;margin:0 auto 36px;color:var(--muted)}

/* ---- footer ---- */
footer{border-top:1px solid var(--hairline);padding:42px 0;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer .ponte{color:var(--accent);text-decoration:none;font-weight:500}
footer .ponte:hover{text-decoration:underline}

/* ---- reveal discreto (sem scroll-hijack) ---- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}