/* ---------- tokens ---------- */
:root{
  --navy:#001234;      /* navy da logo = lado venoso */
  --vinho:#2b0714;     /* solo do lado arterial */
  --venoso:#2a5bff;
  --ciano:#6fd0ff;
  --violeta:#8a2cf0;
  --arterial:#ff2340;
  --sangue:#e4002b;    /* seção final */
  --plasma:#f3f6ff;
  --plasma-70:rgba(243,246,255,.72);
  --linha:rgba(243,246,255,.17);
  --alerta:#ffc857;
  --pad:clamp(30px,7vw,120px);
  --virada:50%;
  --anel:url("img/anel.webp");
  --selo:url("img/selo-fmusp.webp");
  --fonte:"Archivo",system-ui,-apple-system,"Segoe UI",Helvetica,sans-serif;
  --fonte-logo:"Montserrat","Archivo",system-ui,sans-serif;
  color-scheme:dark;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(env(safe-area-inset-top,0px) + 76px);-webkit-text-size-adjust:100%}
body{
  margin:0;position:relative;overflow-x:clip;
  background:var(--navy);color:var(--plasma);
  font-family:var(--fonte);font-size:17px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,p,dl,dd{margin:0}
a{color:inherit}
:focus-visible{outline:2px solid var(--ciano);outline-offset:3px;border-radius:4px}

/* solo: venoso em cima, arterial depois do oxigenador */
.solo{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,
    var(--navy) 0,
    var(--navy) calc(var(--virada) - 4%),
    #1b0b3e var(--virada),
    var(--vinho) calc(var(--virada) + 4%),
    var(--vinho) 100%);
}
#tubo{position:fixed;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
main,footer{position:relative;z-index:2}

/* ---------- topo ---------- */
.topo{
  position:fixed;top:0;left:0;right:0;z-index:20;
  padding:env(safe-area-inset-top,0px) var(--pad) 0;
  transition:background .3s ease,backdrop-filter .3s ease;
}
.topo-in{height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topo.rolou{background:rgba(0,10,31,.74);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.mini{
  display:flex;align-items:center;text-decoration:none;color:#fff;
  font-family:var(--fonte-logo);font-size:24px;line-height:1;
  opacity:0;transform:translateY(-6px);pointer-events:none;transition:opacity .3s ease,transform .3s ease;
}
.topo.rolou .mini{opacity:1;transform:none;pointer-events:auto}
.mini b{font-weight:900;letter-spacing:-.05em}
.mini i{width:.92em;height:.92em;margin-left:.05em;background:var(--anel) center/contain no-repeat;transform:rotate(166.4deg)}
.mini span{font-size:.4em;letter-spacing:.06em;margin-left:.4em;align-self:flex-end;padding-bottom:.35em}
.nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px)}
.nav a.lk{font-size:15px;font-weight:550;text-decoration:none;color:var(--plasma-70);padding:12px 2px;transition:color .15s}
.nav a.lk:hover{color:#fff}
.idioma{display:flex;border:1.5px solid var(--linha);border-radius:999px;padding:3px}
.idioma button{
  font:inherit;font-size:13px;font-weight:700;font-stretch:90%;letter-spacing:.02em;
  min-width:44px;min-height:34px;border:0;border-radius:999px;background:transparent;color:var(--plasma-70);cursor:pointer;
}
.idioma button[aria-pressed="true"]{background:var(--plasma);color:var(--navy)}
@media (max-width:720px){.nav a.lk{display:none}}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;min-height:100svh;
  padding:calc(64px + clamp(26px,4vw,52px)) var(--pad) clamp(84px,9vw,124px);
  display:flex;flex-direction:column;justify-content:center;
}
.assin{display:flex;align-items:center;gap:14px;margin-bottom:clamp(22px,3vw,40px)}
.selo{width:46px;height:46px;flex:none;background:var(--selo) center/contain no-repeat}
.assin p{font-family:var(--fonte-logo);font-size:clamp(10px,1.05vw,14px);letter-spacing:.36em;text-transform:uppercase;color:var(--plasma-70);line-height:1.5}

/* lockup refeito a partir da logo: ECM + anel + DAY */
.lockup{
  font-family:var(--fonte-logo);font-size:clamp(60px,21.5vw,224px);line-height:.74;color:#fff;
  display:flex;align-items:center;white-space:nowrap;margin-left:-.035em;
}
.lk-ecm{font-weight:900;letter-spacing:-.05em;display:block;overflow:hidden;padding:.05em .03em .05em 0;margin:-.05em 0}
.lk-ecm span{display:block}
.lk-bomba{width:.9em;height:.9em;margin-left:.02em;flex:none}
.lk-liga{display:block;width:100%;height:100%}
.lk-anel{display:block;width:100%;height:100%;background:var(--anel) center/contain no-repeat;transform:rotate(166.4deg);will-change:transform}
.lk-day{font-weight:400;font-size:.178em;letter-spacing:.05em;line-height:1;align-self:flex-end;margin-left:.3em;padding-bottom:.38em}

.titulo{
  font-stretch:118%;font-weight:750;font-size:clamp(23px,3.15vw,46px);line-height:1.09;letter-spacing:-.012em;
  max-width:22ch;text-wrap:balance;
}
.nq{white-space:nowrap}
.hero-base{display:grid;grid-template-columns:1fr auto;gap:30px clamp(32px,6vw,96px);align-items:start;margin-top:clamp(30px,3.8vw,52px)}
.esq{display:grid;gap:clamp(26px,2.6vw,36px)}
.acoes{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border-radius:999px;
  font-weight:700;font-stretch:108%;font-size:16px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .15s ease,background .15s ease,border-color .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-cheio{background:var(--plasma);color:var(--navy)}
.btn-cheio:hover{background:#fff}
.btn-linha{border-color:rgba(243,246,255,.5);color:var(--plasma)}
.btn-linha:hover{border-color:#fff}
[hidden]{display:none!important}

.quando{justify-self:end}
.dia{font-stretch:125%;font-weight:800;font-size:clamp(21px,2.2vw,31px);line-height:1.1;letter-spacing:-.01em}
.dia small{display:block;font-stretch:100%;font-weight:450;font-size:15px;color:var(--plasma-70);letter-spacing:0;margin-top:4px}
.dia small+small{margin-top:1px}
.contagem{display:flex;margin-top:18px;border-top:1.5px solid var(--linha);padding-top:16px}
.contagem div{padding:0 clamp(14px,1.8vw,26px);border-left:1.5px solid var(--linha)}
.contagem div:first-child{padding-left:0;border-left:0}
.contagem b{display:block;font-stretch:62%;font-weight:800;font-size:clamp(44px,5.6vw,76px);line-height:.86;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.contagem span{display:block;font-size:13px;color:var(--plasma-70);margin-top:8px}
.contagem-fim{margin-top:14px;font-size:17px;font-weight:600}
@media (max-width:860px){
  .hero-base{grid-template-columns:1fr}
  .esq{display:contents}
  .titulo{order:1}.quando{justify-self:start;order:2}.hero .acoes{order:3}
}

/* entrada do hero: um único momento coordenado */
@media (prefers-reduced-motion:no-preference){
  .lk-ecm span{animation:sobe .9s cubic-bezier(.2,.8,.2,1) both}
  .lk-liga{animation:liga 1.1s cubic-bezier(.2,.9,.25,1) .25s both}
  .lk-day,.assin,.hero-base{animation:surge .8s ease both}
  .assin{animation-delay:.1s}.lk-day{animation-delay:.75s}.hero-base{animation-delay:.65s}
}
@keyframes sobe{from{transform:translateY(105%)}to{transform:none}}
@keyframes liga{from{transform:scale(0) rotate(-200deg);opacity:0}to{transform:none;opacity:1}}
@keyframes surge{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- seções ---------- */
.sec{padding:clamp(88px,12vw,170px) var(--pad)}
h2{font-stretch:125%;font-weight:800;font-size:clamp(30px,5vw,70px);line-height:1.02;letter-spacing:-.018em;text-wrap:balance}

.sobre{display:grid;grid-template-columns:repeat(12,1fr);gap:28px clamp(20px,3vw,48px);align-items:end}
.sobre h2{grid-column:1/span 7}
.sobre-txt{grid-column:9/span 4;display:grid;gap:18px;font-size:clamp(17px,1.35vw,19px);color:var(--plasma-70)}
.sobre-txt p:first-child{color:var(--plasma)}
@media (max-width:980px){.sobre h2,.sobre-txt{grid-column:1/-1}.sobre-txt{max-width:60ch}}

/* oxigenador: onde o azul vira vermelho */
.membrana{padding:clamp(40px,6vw,90px) var(--pad);display:grid;gap:clamp(22px,3vw,40px)}
.mb-de,.mb-para{font-stretch:125%;font-weight:800;font-size:clamp(26px,4.6vw,64px);line-height:1.03;letter-spacing:-.018em}
.mb-de{color:#9db8ff}
.mb-para{justify-self:end;text-align:right;max-width:15ch;color:#ffb3bd}
.aparelho{justify-self:center;width:min(560px,74%);position:relative;padding:34px 0}
.carcaca{
  height:clamp(96px,13vw,150px);border-radius:20px;border:1.5px solid rgba(243,246,255,.42);position:relative;overflow:hidden;
  background:rgba(243,246,255,.05);
}
.carcaca::before{ /* fibras ocas */
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,rgba(243,246,255,.2) 0 1px,transparent 1px 8px);
  -webkit-mask-image:linear-gradient(180deg,#000 0 26%,transparent 40% 60%,#000 74% 100%);
  mask-image:linear-gradient(180deg,#000 0 26%,transparent 40% 60%,#000 74% 100%);
}
.aparelho::before,.aparelho::after{ /* conectores de entrada e saída */
  content:"";position:absolute;top:50%;width:12px;height:30px;margin-top:-15px;border:1.5px solid rgba(243,246,255,.42);background:var(--navy);
}
.aparelho::before{left:-12px;border-radius:6px 0 0 6px;border-right:0}
.aparelho::after{right:-12px;border-radius:0 6px 6px 0;border-left:0;background:var(--vinho)}
.gas{position:absolute;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;font-size:14px;font-weight:650;font-stretch:90%;color:var(--plasma-70);white-space:nowrap}
.gas-in{top:0}.gas-out{bottom:0}
.gas svg{width:12px;height:22px;overflow:visible}
@media (prefers-reduced-motion:no-preference){
  .gas svg path{animation:desce 1.4s linear infinite}
  .gas svg path:nth-child(2){animation-delay:.7s}
}
@keyframes desce{0%{transform:translateY(-7px);opacity:0}35%{opacity:1}100%{transform:translateY(7px);opacity:0}}

/* programa */
.cab{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 40px;margin-bottom:clamp(30px,4vw,56px)}
.cab p{font-size:17px;color:var(--plasma-70)}
.prog-vazio{border:1.5px dashed rgba(243,246,255,.3);border-radius:26px;padding:clamp(28px,5vw,64px);max-width:860px}
.prog-vazio b{display:block;font-stretch:112%;font-weight:700;font-size:clamp(20px,2.2vw,28px);line-height:1.2;margin-bottom:10px}
.prog-vazio span{color:var(--plasma-70)}
.bloco{display:grid;grid-template-columns:88px minmax(0,1fr);gap:0 clamp(14px,2.4vw,36px);align-items:start;padding:26px 0;border-top:1.5px solid var(--linha)}
.bloco:last-child{border-bottom:1.5px solid var(--linha)}
.b-hora{font-stretch:62%;font-weight:800;font-size:30px;line-height:1;font-variant-numeric:tabular-nums}
.b-hora span{display:block;font-size:16px;font-weight:500;color:var(--plasma-70);margin-top:6px}
.bloco h3{font-stretch:112%;font-weight:750;font-size:clamp(19px,1.8vw,24px);line-height:1.2;margin:0;max-width:34ch}
.f-tema{font-size:17px;line-height:1.4;max-width:68ch}
.b-corpo>.f-tema{margin-top:10px}
.f-quem{font-size:15px;line-height:1.4;color:var(--plasma-70);margin-top:5px}
.f-quem b{font-weight:600;color:var(--plasma)}
.falas{grid-column:2;list-style:none;margin:16px 0 0;padding:0}
.falas li{display:grid;grid-template-columns:5ch minmax(0,1fr);gap:0 16px;padding:14px 0;border-top:1px solid rgba(243,246,255,.11)}
.falas li:last-child{padding-bottom:0}
.f-hora{font-stretch:62%;font-weight:700;font-size:19px;line-height:1.28;font-variant-numeric:tabular-nums;color:var(--plasma-70)}
.bloco.pausa{padding:16px 0}
.bloco.pausa .b-hora{font-size:22px;color:var(--plasma-70)}
.bloco.pausa .b-hora span{display:none}
.bloco.pausa h3{font-stretch:100%;font-weight:500;font-size:17px;color:var(--plasma-70)}
.bloco.pausa .f-tema{font-size:15px;color:var(--plasma-70);margin-top:2px}
@media (max-width:640px){
  .bloco{grid-template-columns:72px minmax(0,1fr)}
  .falas{grid-column:1/-1}
  .falas li{grid-template-columns:72px minmax(0,1fr);gap:0 14px}
}

/* palestrantes */
.palestrantes h2{margin-bottom:clamp(8px,1vw,14px)}
.grupo{font-stretch:108%;font-weight:650;font-size:clamp(17px,1.5vw,20px);color:var(--plasma-70);margin:clamp(30px,4vw,52px) 0 clamp(20px,2.4vw,30px);padding-bottom:12px;border-bottom:1.5px solid var(--linha)}
.pessoas{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(30px,3.4vw,48px) clamp(30px,5vw,80px)}
.pessoa{display:grid;grid-template-columns:clamp(96px,9.5vw,132px) minmax(0,1fr);grid-template-rows:auto auto 1fr;gap:0 clamp(16px,2vw,26px);align-items:start}
.pessoa img{grid-row:1/span 3;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:16px;background:#dfe3ea;display:block}
.pessoa h4{margin:0;font-stretch:112%;font-weight:750;font-size:clamp(17px,1.45vw,20px);line-height:1.2}
.pais{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#ffb3bd;margin-top:6px}
.bio{font-size:15px;line-height:1.5;color:var(--plasma-70);margin-top:10px}
@media (max-width:900px){.pessoas{grid-template-columns:1fr}}
@media (max-width:560px){
  .pessoa{grid-template-columns:88px minmax(0,1fr);grid-template-rows:auto 1fr auto;gap:0 16px}
  .pessoa img{grid-row:1/span 2}
  .bio{grid-column:1/-1;margin-top:14px}
}

/* data e local */
.info h2{margin-bottom:clamp(30px,4vw,56px)}
.grade{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.grade>div{padding:24px clamp(18px,2.4vw,36px) 6px;border-left:1.5px solid var(--linha)}
.grade>div:first-child{padding-left:0;border-left:0}
.grade dt{font-size:15px;color:var(--plasma-70);margin-bottom:10px}
.grade dd{font-stretch:112%;font-weight:700;font-size:clamp(19px,1.9vw,26px);line-height:1.2}
.grade dd small{display:block;font-stretch:100%;font-weight:450;font-size:15px;line-height:1.4;color:var(--plasma-70);margin-top:6px}
.grade .mapa{display:inline-block;margin-top:10px;font-stretch:100%;font-weight:600;font-size:15px;text-underline-offset:4px}
.grade .org{display:flex;align-items:center;gap:14px}
.grade .org .selo{width:58px;height:58px}
@media (max-width:820px){
  .grade{grid-template-columns:1fr}
  .grade>div{padding:20px 0;border-left:0;border-top:1.5px solid var(--linha)}
}

/* inscrição */
.inscricao .cab{display:block}
.inscricao .cab p{margin-top:12px}
.insc-estado{border:1.5px dashed rgba(243,246,255,.3);border-radius:26px;padding:clamp(24px,4vw,44px);max-width:920px;font-stretch:108%;font-weight:650;font-size:clamp(18px,1.8vw,22px);line-height:1.3}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px clamp(18px,2.4vw,32px);max-width:920px}
.campo{display:grid;gap:8px;align-content:start}
.campo.largo{grid-column:1/-1}
.campo label{font-size:15px;font-weight:600}
.campo input,.campo select{
  font:inherit;font-size:17px;color:var(--plasma);width:100%;min-height:54px;padding:0 16px;
  background-color:rgba(243,246,255,.06);border:1.5px solid rgba(243,246,255,.34);border-radius:14px;
  -webkit-appearance:none;appearance:none;transition:border-color .15s ease,background-color .15s ease;
}
.campo select{
  padding-right:44px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 10'%3E%3Cpath d='M1.5 1.5l6.5 6.5 6.5-6.5' fill='none' stroke='%23f3f6ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;background-size:14px;
}
.campo select option{color:#001234;background:#fff}
.campo input::placeholder{color:rgba(243,246,255,.42)}
.campo input:hover,.campo select:hover{border-color:rgba(243,246,255,.6)}
.campo input:focus-visible,.campo select:focus-visible{outline:2px solid var(--ciano);outline-offset:2px;border-radius:14px;background-color:rgba(243,246,255,.1)}
.campo input:-webkit-autofill{-webkit-text-fill-color:var(--plasma);box-shadow:0 0 0 60px #3d1020 inset;caret-color:var(--plasma)}
.campo [aria-invalid="true"]{border-color:var(--alerta)}
.erro{font-size:14px;line-height:1.35;color:var(--alerta)}
.isca{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.aceite{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:start}
.aceite input{width:26px;height:26px;margin:0;accent-color:var(--plasma);cursor:pointer}
.aceite label{font-size:16px;line-height:1.45;cursor:pointer;padding-top:1px}
.aceite .erro{grid-column:2}
.priv{grid-column:1/-1;font-size:15px;color:var(--plasma-70);border-top:1.5px solid var(--linha);padding-top:14px}
.priv summary{cursor:pointer;font-weight:600;color:var(--plasma);min-height:32px;display:flex;align-items:center;list-style:none;gap:10px}
.priv summary::-webkit-details-marker{display:none}
.priv summary::before{content:"+";font-stretch:62%;font-weight:700;font-size:22px;line-height:1;width:14px}
.priv[open] summary::before{content:"−"}
.priv p{margin-top:10px;max-width:68ch}
.form-fim{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:6px}
.form-msg{font-size:15px;line-height:1.4;color:var(--alerta);max-width:46ch}
.btn[disabled]{opacity:.55;cursor:progress;transform:none}
.sucesso{border:1.5px solid rgba(243,246,255,.45);border-radius:26px;padding:clamp(28px,5vw,64px);max-width:920px}
.sucesso:focus{outline:none}
.ok-t{font-stretch:112%;font-weight:700;font-size:clamp(20px,2.2vw,28px);line-height:1.2}
.ok-cod{font-stretch:62%;font-weight:800;font-size:clamp(46px,7.4vw,92px);line-height:1;letter-spacing:.04em;margin:18px 0 16px;font-variant-numeric:tabular-nums}
.ok-p{color:var(--plasma-70);max-width:52ch}
.previa{display:inline-block;margin-bottom:22px;padding:8px 14px;border-radius:999px;border:1.5px dashed var(--alerta);color:var(--alerta);font-size:14px;font-weight:600}
@media (max-width:640px){.form{grid-template-columns:1fr}}

/* fechamento arterial */
.final{background:var(--sangue);padding:clamp(88px,12vw,170px) var(--pad)}
.lema{font-stretch:125%;font-weight:900;font-size:clamp(33px,6.8vw,102px);line-height:.98;letter-spacing:-.025em;color:#fff}
.final .acoes{margin-top:clamp(32px,4.5vw,60px)}
.final .btn-cheio{background:var(--navy);color:#fff}
.final .btn-cheio:hover{background:#000a1f}
.final .btn-linha{border-color:rgba(255,255,255,.75);color:#fff}

footer{background:var(--navy);padding:44px var(--pad) 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
footer .mini{opacity:1;transform:none;pointer-events:auto;font-size:34px}
footer .dir{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--plasma-70)}
footer .selo{width:54px;height:54px}