/* Imersão Euriliano — "Profundidade Viva" (euriler-jube-design) com ritmo claro/escuro de palco
   (referência: popular-web-designs/apple — foto como cenário, seções alternadas, um só acento de ação).
   Parte da copy e da estrutura do site imersao.arka.education, sem tocar nele. */
.eur{
  --abyss:#07090F; --bg:#0A0E1A; --surface:#0D1B2A; --surface-hi:#13233A; --line:#1A2438;
  --light:#F0F4F8; --mist:#C8D2E0; --silver:#94A3B8; --electric:#3B82F6; --electric-d:#2563EB; --bio:#06B6D4; --bio-l:#67E8F9;
  --ice:#F4F7FB; --ice-1:#EAF0F7; --ink:#0B1422; --slate:#334358; --muted:#5F7189; --hair:rgba(96,120,150,.22);
  background:var(--bg); color:var(--light);
}
.eur .eyebrow{color:var(--bio-l)}
.eur :focus-visible{outline-color:var(--bio-l)}

/* topo */
.top{position:absolute;inset:0 0 auto 0;z-index:10}
.top-in{display:flex;align-items:center;gap:20px;height:76px}
.brand{font-weight:500;font-size:13px;letter-spacing:.32em;text-decoration:none;color:var(--light)}
.top-prod{font-size:14px;color:var(--mist);padding-left:20px;border-left:1px solid rgba(200,210,224,.2)}
.top-cta{margin-left:auto;font-size:14px;font-weight:600;text-decoration:none;padding:10px 18px;border-radius:999px;border:1px solid rgba(240,244,248,.35);color:var(--light);transition:background-color .18s}
.top-cta:hover{background:rgba(240,244,248,.1)}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;isolation:isolate;background:var(--abyss)}
.hero picture,.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 62%;z-index:-2}
.hero-veil{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(7,9,15,.82) 0%,rgba(7,9,15,.5) 40%,rgba(7,9,15,0) 70%),
  linear-gradient(180deg,rgba(7,9,15,.6) 0%,rgba(7,9,15,0) 22%,rgba(7,9,15,0) 55%,rgba(10,14,26,.85) 85%,var(--bg) 100%)}
.hero-in{padding-top:140px;padding-bottom:clamp(48px,8vh,96px)}
.hero h1{font-size:clamp(40px,5.8vw,84px);line-height:.98;max-width:15ch;margin:18px 0 22px}
.hero h1 .lit{display:block;background:linear-gradient(90deg,#9CC5FF 0%,var(--bio-l) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(18px,1.7vw,21px);line-height:1.55;max-width:56ch;color:var(--mist)}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px;margin-top:34px}
.btn-primary{background:linear-gradient(180deg,#3F84F5 0%,#1D4FC4 100%);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 -2px 0 rgba(9,32,86,.35) inset,0 20px 44px -14px rgba(29,79,196,.6)}
.btn-primary:hover{box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 -2px 0 rgba(9,32,86,.35) inset,0 26px 56px -14px rgba(59,130,246,.7)}
.link-soft{color:var(--mist);font-weight:500;text-decoration:none;border-bottom:1px solid rgba(200,210,224,.35);padding-bottom:2px}
.link-soft:hover{color:var(--light);border-color:var(--light)}
.status{display:flex;align-items:center;gap:10px;margin-top:30px;font-size:14px;color:var(--silver)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--bio);box-shadow:0 0 10px rgba(6,182,212,.9)}

/* números */
.numbers{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.numbers-in{display:grid;grid-template-columns:repeat(2,1fr)}
.num{padding:34px 20px 34px 0;display:flex;flex-direction:column;gap:6px}
.num strong{font-family:var(--display);font-weight:500;font-size:clamp(34px,4.2vw,56px);letter-spacing:-.02em;line-height:1}
.num span{font-size:15px;color:var(--silver);max-width:22ch}
@media (min-width:900px){.numbers-in{grid-template-columns:repeat(4,1fr)}.num{padding:44px 24px;border-left:1px solid var(--line)}.num:first-child{border-left:0;padding-left:0}}

/* seções */
.light{background:var(--ice);color:var(--ink)}
.light .eyebrow{color:var(--electric-d)}
.dark{background:radial-gradient(90% 60% at 50% 0%,#12213A 0%,var(--bg) 60%);color:var(--light)}
.implementar,.programa,.edicoes,.experiencia,.selecao,.faq{padding:var(--section) 0}
.sec-head{margin-bottom:clamp(40px,6vw,72px)}
.sec-head h2{font-size:clamp(34px,5vw,64px);margin-top:14px;max-width:18ch}
.sec-sub{margin-top:14px;color:var(--silver);font-size:16px}
.body-l{font-size:clamp(17px,1.5vw,19px);line-height:1.6;max-width:54ch;color:var(--slate);margin-bottom:32px}

/* implementar */
.cols3{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--hair)}
.cols3 article{padding:30px 0;border-bottom:1px solid var(--hair)}
.k{font-family:var(--display);font-size:14px;color:var(--electric-d);letter-spacing:.08em}
.cols3 h3{font-size:clamp(24px,2.2vw,30px);margin:12px 0 12px;font-weight:500}
.cols3 p{color:var(--slate);max-width:36ch}
@media (min-width:900px){
  .sec-head--split{display:grid;grid-template-columns:1fr 2fr;align-items:start}
  .sec-head--split .eyebrow{padding-top:16px}
  .sec-head--split h2{margin-top:0}
  .cols3{grid-template-columns:repeat(3,1fr);gap:40px;border-top:0}
  .cols3 article{border-bottom:0;border-top:1px solid var(--hair)}
}

/* programa */
.days{display:grid;grid-template-columns:1fr;gap:18px;margin-bottom:clamp(56px,8vw,96px)}
.day{background:linear-gradient(180deg,var(--surface-hi) 0%,var(--surface) 100%);border:1px solid var(--line);border-radius:18px;padding:32px 28px;box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 30px 60px -30px rgba(0,0,0,.8)}
.day-n{font-size:12px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--bio-l)}
.day h3{font-size:clamp(26px,2.4vw,32px);font-weight:500;margin:14px 0 20px}
.day ul li{padding:12px 0;border-top:1px solid var(--line);color:var(--mist);font-size:16px}
@media (min-width:900px){.days{grid-template-columns:repeat(3,1fr)}}
.grid44{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;padding:clamp(28px,4vw,48px);border:1px solid var(--line);border-radius:22px;background:rgba(13,27,42,.55)}
.grid44-head h3{font-size:clamp(24px,2.6vw,34px);font-weight:500;margin-top:12px;max-width:20ch}
.grid44-table{display:grid;gap:6px;font-size:14px}
.r{display:grid;grid-template-columns:96px repeat(4,1fr);gap:6px;align-items:center}
.r-head span{color:var(--silver);text-align:center;font-size:13px}
.r-head span:last-child{color:var(--bio-l);font-weight:600}
.c0{color:var(--mist);font-weight:500;text-align:left!important}
.r span[role=cell]{height:44px;border-radius:10px;border:1px solid var(--line);background:rgba(240,244,248,.02);position:relative}
.r span[role=cell]::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--silver);opacity:.5}
.r span.hot{border-color:rgba(6,182,212,.4);background:rgba(6,182,212,.08)}
.r span.hot::after{background:var(--bio);opacity:1;box-shadow:0 0 10px rgba(6,182,212,.9)}
@media (min-width:900px){.grid44{grid-template-columns:1fr 1.2fr;gap:56px}}

/* edições: barras com o público de cada edição */
.bars{display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(8px,2vw,28px);align-items:end;height:clamp(300px,34vw,440px);padding-bottom:4px;border-bottom:1px solid var(--hair);margin-bottom:clamp(40px,6vw,72px)}
.bars li{display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-width:0}
.b-val{font-family:var(--display);font-weight:600;font-size:clamp(18px,2.4vw,34px);letter-spacing:-.02em;margin-bottom:10px}
.b-bar{display:block;height:calc(var(--v) / 800 * 62%);min-height:10px;border-radius:12px 12px 4px 4px;background:linear-gradient(180deg,#9DBDF0 0%,#C9D9F2 100%)}
.b-max .b-bar{background:linear-gradient(180deg,var(--electric) 0%,var(--bio) 100%);box-shadow:0 20px 40px -18px rgba(37,99,235,.6)}
.b-when{margin-top:14px;font-family:var(--display);font-weight:600;font-size:clamp(14px,1.6vw,20px)}
.b-ed{font-size:clamp(12px,1.2vw,14px);color:var(--slate);line-height:1.35}
.b-when .sh{display:none}
.photos{display:grid;grid-template-columns:1fr;gap:18px}
.photos figure{margin:0}
.photos picture{display:block;aspect-ratio:3/2;border-radius:16px;overflow:hidden;box-shadow:0 30px 60px -28px rgba(20,44,80,.3)}
.photos img{width:100%;height:100%;object-fit:cover}
.photos figcaption{margin-top:10px;font-size:14px;color:var(--slate)}
.note{margin-top:20px;font-size:14px;color:var(--muted)}
@media (min-width:760px){.photos{grid-template-columns:repeat(3,1fr)}}

/* experiência */
.exp-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.exp-media{margin:0;border-radius:22px;overflow:hidden;aspect-ratio:4/5;max-height:760px}
.exp-media picture{display:block;height:100%}
.exp-media img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.exp-text h2{font-size:clamp(32px,4.4vw,56px);margin:14px 0 28px;max-width:16ch}
.ticks{border-top:1px solid var(--line);margin-bottom:40px}
.ticks li{padding:15px 0 15px 26px;border-bottom:1px solid var(--line);position:relative;color:var(--mist)}
.ticks li::before{content:"→";position:absolute;left:0;color:var(--bio-l)}
.fit h3{font-family:var(--body);font-size:12px;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--silver);margin:22px 0 8px}
.fit p{color:var(--mist);max-width:48ch}
@media (min-width:900px){.exp-grid{grid-template-columns:.85fr 1fr;gap:80px}}

/* seleção */
.sel-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:start}
.selecao h2{font-size:clamp(32px,4.4vw,56px);margin:14px 0 22px;max-width:16ch}
.steps{display:grid;gap:14px}
.steps li{display:flex;gap:20px;padding:24px;border-radius:16px;background:rgba(255,255,255,.7);border:1px solid #fff;box-shadow:0 1px 0 rgba(255,255,255,.9) inset,0 24px 48px -24px rgba(20,44,80,.2)}
.steps span{font-family:var(--display);font-weight:600;color:var(--electric-d);font-size:15px;padding-top:4px}
.steps h3{font-size:22px;font-weight:600;margin-bottom:6px}
.steps p{color:var(--slate);font-size:16px}
@media (min-width:900px){.sel-grid{grid-template-columns:1.1fr 1fr;gap:80px}}

/* faq */
.faq-in{max-width:860px}
.faq h2{font-size:clamp(30px,3.6vw,44px);margin-bottom:32px}
.qs{border-top:1px solid var(--line)}
.qs details{border-bottom:1px solid var(--line)}
.qs summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-family:var(--display);font-weight:500;font-size:clamp(19px,1.8vw,22px);position:relative}
.qs summary::-webkit-details-marker{display:none}
.qs summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-family:var(--body);font-weight:400;font-size:24px;color:var(--bio-l)}
.qs details[open] summary::after{content:"–"}
.qs details p{padding:0 0 24px;color:var(--mist);max-width:64ch}

/* rodapé */
.eur .site-foot{background:var(--abyss);color:var(--silver);border-top:1px solid var(--line)}
.eur .foot-note{width:100%;font-size:13px}

@media (max-width:640px){
  .top-prod{display:none}
  .hero{display:block;min-height:0;padding-top:0}
  .hero picture{position:relative;display:block;height:auto;aspect-ratio:4/5}
  .hero-img{position:static;height:100%;object-position:52% 60%}
  .hero-veil{inset:0 0 auto 0;aspect-ratio:4/5;background:linear-gradient(180deg,rgba(7,9,15,.7) 0%,rgba(7,9,15,0) 25%,rgba(7,9,15,0) 55%,var(--bg) 100%)}
  .hero-in{margin-top:-120px;position:relative;padding-top:0}
  .bars{gap:6px}
  .b-ed{display:none}
  .b-when .lg{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
  .b-when .sh{display:inline}
  .r{grid-template-columns:78px repeat(4,1fr)}
}