/* Explorando Bits, estilos compartilhados (site institucional) */
:root{
  --brand:#2b9fe3; --brand-2:#6e4ea8; --brand-dark:#243b8a; --brand-ink:#1668a3;
  --accent:#f47b2f; --accent-2:#ffc93c;
  --red:#e0394f; --green:#46b658; --teal:#16b8a8; --pink:#ec4899; --indigo:#6366f1;
  --ink:#101a33; --body:#4b5670; --muted:#94a3b8;
  --bg:#ffffff; --bg-soft:#f3f6fb; --line:#e6ecf5;
  --radius:18px; --shadow:0 18px 44px -18px rgba(36,59,138,.32);
  --container:1150px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--body);background:var(--bg);line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;color:var(--ink);line-height:1.14;font-weight:700}
a{text-decoration:none;color:inherit}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
section{padding:86px 0}
.eyebrow{display:inline-block;font-family:'Poppins';font-weight:700;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--brand-ink);background:rgba(43,159,227,.12);padding:5px 13px;border-radius:999px}
.sec-title{font-size:clamp(1.7rem,3.4vw,2.55rem);margin:14px 0 14px;letter-spacing:-.5px}
.sec-lead{font-size:1.08rem;max-width:640px}
.center{text-align:center}.center .sec-lead{margin-inline:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:'Poppins';font-weight:600;font-size:.98rem;
  min-height:48px;padding:13px 26px;border-radius:999px;border:0;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#101a33;box-shadow:0 12px 26px -10px rgba(244,123,47,.65)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(244,123,47,.75)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 12px 26px -12px rgba(43,159,227,.7)}
.btn-brand:hover{transform:translateY(-2px);background:#1f8fd1}
.btn-outline{background:#fff;color:var(--brand);border:1.6px solid var(--line)}
.btn-outline:hover{border-color:var(--brand);transform:translateY(-2px)}
.wpp{background:#0e7d3c;color:#fff}.wpp:hover{transform:translateY(-2px);box-shadow:0 14px 28px -10px rgba(14,125,60,.7)}

/* Foco visivel por teclado (acessibilidade) */
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.btn:focus-visible,.wa-fab:focus-visible{outline:3px solid #fff;outline-offset:3px}
header :focus-visible{outline-color:var(--brand)}

/* Botao flutuante de WhatsApp */
.wa-fab{position:fixed;right:18px;bottom:18px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(0,0,0,.45);transition:transform .2s}
.wa-fab:hover{transform:scale(1.08)}
.wa-fab svg{width:32px;height:32px;color:#fff}

/* Pagina 404 */
.nf{text-align:center;padding:90px 0}
.nf .big{font-family:'Poppins';font-weight:800;font-size:clamp(4rem,16vw,9rem);line-height:1;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand img{height:38px;width:auto}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-weight:500;font-size:.96rem;color:var(--body);transition:color .15s}
.nav-links a:hover{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:6px}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#243b8a 0%,#2b9fe3 48%,#6e4ea8 100%);color:#fff;padding:92px 0 104px}
.hero::before{content:"";position:absolute;inset:0;opacity:.55;
  background:radial-gradient(circle at 16% 20%,rgba(255,201,60,.3),transparent 38%),radial-gradient(circle at 84% 80%,rgba(244,123,47,.28),transparent 42%)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;background:var(--bg);
  clip-path:polygon(0 100%,100% 100%,100% 30%,0 92%)}
.hero .container{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  padding:7px 15px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:22px}
.badge .dot{width:9px;height:9px;border-radius:50%;background:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.3)}
.hero h1{color:#fff;font-size:clamp(2rem,4.7vw,3.4rem);font-weight:800;letter-spacing:-.6px}
.hero h1 span{background:linear-gradient(90deg,var(--accent-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(1.02rem,2.2vw,1.15rem);color:rgba(255,255,255,.92);margin:18px 0 30px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:42px;flex-wrap:wrap}
.hero-stats .n{font-family:'Poppins';font-weight:800;font-size:1.95rem;color:#fff}
.hero-stats .l{font-size:.85rem;color:rgba(255,255,255,.82)}
.hero-art{position:relative;display:grid;place-items:center}
.logo-card{background:#fff;border-radius:26px;padding:34px 30px;box-shadow:0 30px 70px -24px rgba(0,0,0,.5);width:100%;max-width:380px;animation:floatY 6s ease-in-out infinite}
.logo-card img{width:100%;height:auto}
.chip{position:absolute;background:#fff;color:var(--ink);border-radius:14px;padding:11px 15px;display:flex;align-items:center;gap:9px;
  font-family:'Poppins';font-weight:600;font-size:.9rem;box-shadow:0 18px 40px -16px rgba(0,0,0,.45);animation:floatY 5s ease-in-out infinite}
.chip .e{font-size:1.15rem}
.chip:hover{box-shadow:0 24px 50px -14px rgba(0,0,0,.55);color:var(--brand-ink)}
.chip.c1{top:-6%;left:-7%;animation-delay:.4s}
.chip.c2{bottom:-5%;right:-6%;animation-delay:1.6s}
.chip.c3{top:17%;right:-9%;animation-delay:.9s}
.chip.c4{top:47%;left:-10%;animation-delay:2.2s}
.chip.c5{bottom:8%;left:-4%;animation-delay:1.2s}
.chip.c6{bottom:27%;right:-8%;animation-delay:2.8s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}

/* Features */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:42px}
.feature{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:transform .2s,box-shadow .2s}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature .ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:15px;color:#fff}
.feature h3{font-size:1.06rem;margin-bottom:6px}
.feature p{font-size:.93rem}

/* Galeria */
.inside{background:var(--bg-soft)}
.check-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:24px auto 0;max-width:900px}
.check-row span{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:.92rem;font-weight:600;color:var(--ink)}
.check-row svg{width:18px;height:18px;flex-shrink:0;color:var(--green)}
.gallery{column-count:3;column-gap:15px;margin-top:38px}
.gallery img{width:100%;height:auto;margin-bottom:15px;border-radius:16px;box-shadow:var(--shadow);transition:transform .25s;cursor:pointer;break-inside:avoid}
.gallery img:hover{transform:scale(1.02)}
.lightbox{position:fixed;inset:0;background:rgba(16,26,51,.93);display:none;align-items:center;justify-content:center;z-index:100;padding:24px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:90vh;width:auto;height:auto;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox .close{position:absolute;top:14px;right:20px;color:#fff;font-size:2.2rem;line-height:1;background:none;border:0;cursor:pointer;font-family:'Poppins'}
.inside-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px;margin-top:32px}
.addr{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px}
.addr svg{width:22px;height:22px;color:var(--brand);flex-shrink:0}
.addr p{font-size:.95rem;color:var(--body)}

/* Courses */
.grid-courses{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:46px}
.course{display:block;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s;color:inherit}
.course::after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:scaleX(0);transform-origin:left;transition:transform .25s}
.course:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.course:hover::after{transform:scaleX(1)}
.course .ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;font-size:1.6rem}
.course h3{font-size:1.2rem;margin-bottom:9px;display:flex;align-items:center;gap:7px}
.course p{font-size:.96rem;margin-bottom:14px}
.course .more{font-family:'Poppins';font-weight:600;font-size:.9rem;color:var(--brand-ink);display:inline-flex;align-items:center;gap:6px}
.course:hover .more{gap:10px}

/* Modalities */
.mods{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:46px}
.mod{border-radius:var(--radius);padding:38px 34px;color:#fff;position:relative;overflow:hidden}
.mod h3{color:#fff;font-size:1.5rem;display:flex;align-items:center;gap:12px;margin-bottom:12px}
.mod p{color:rgba(255,255,255,.92);font-size:1.02rem;margin-bottom:20px}
.mod ul{list-style:none;display:grid;gap:10px}
.mod li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.95);font-size:.97rem}
.mod li svg{width:20px;height:20px;flex-shrink:0;margin-top:2px}
.mod-presencial{background:linear-gradient(135deg,#2b9fe3,#243b8a)}
.mod-ead{background:linear-gradient(135deg,#f47b2f,#e0394f)}

/* CTA band */
.cta-band{background:linear-gradient(135deg,#6e4ea8,#2b9fe3);color:#fff;border-radius:26px;padding:54px 40px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.5;background:radial-gradient(circle at 20% 30%,rgba(255,201,60,.25),transparent 40%),radial-gradient(circle at 80% 70%,rgba(244,123,47,.25),transparent 42%)}
.cta-band h2{position:relative;color:#fff;font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:12px}
.cta-band p{position:relative;color:rgba(255,255,255,.94);font-size:1.1rem;margin-bottom:26px;max-width:560px;margin-inline:auto}
.cta-band .btn{position:relative}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;margin-top:42px;align-items:start}
.info-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.info-item .ico{width:48px;height:48px;border-radius:13px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);flex-shrink:0}
.info-item h3{font-size:1.02rem;margin-bottom:3px}
.info-item p,.info-item a{font-size:.97rem;color:var(--body)}
.info-item a.maplink{color:var(--brand-ink);font-weight:600}
.info-item a:hover{color:var(--brand)}
.socials{display:flex;gap:12px;margin-top:8px}
.socials a{width:46px;height:46px;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand);transition:.18s}
.socials a:hover{background:var(--brand);color:#fff;transform:translateY(-3px);border-color:var(--brand)}
.contact-card{background:linear-gradient(135deg,#243b8a,#2b9fe3);border-radius:var(--radius);padding:38px 34px;color:#fff}
.contact-card h3{color:#fff;font-size:1.4rem;margin-bottom:10px}
.contact-card p{color:rgba(255,255,255,.92);margin-bottom:24px}
.contact-card .btn{width:100%;margin-bottom:12px}

/* Footer */
footer{background:#101a33;color:#cbd5e1;padding:56px 0 28px}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;border-bottom:1px solid #25304d;padding-bottom:28px;margin-bottom:22px}
.foot-brand{background:#fff;border-radius:14px;padding:10px 16px;display:inline-block}
.foot-brand img{height:30px}
.foot-top p{max-width:340px;margin-top:14px;font-size:.94rem;color:#94a3b8}
.foot-links{display:flex;gap:46px;flex-wrap:wrap}
.foot-col h4{color:#fff;font-family:'Poppins';font-size:.95rem;margin-bottom:12px}
.foot-col a{display:block;font-size:.92rem;color:#94a3b8;margin-bottom:8px;transition:.15s}
.foot-col a:hover{color:#fff}
.foot-bottom{font-size:.86rem;color:#64748b;text-align:center}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.logo-card,.chip{animation:none}}

/* ===== Páginas de curso ===== */
.crumbs{font-size:.88rem;color:rgba(255,255,255,.82);margin-bottom:18px}
.crumbs a{color:rgba(255,255,255,.92);font-weight:500}
.crumbs a:hover{text-decoration:underline}
.course-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#243b8a,#2b9fe3 60%,#6e4ea8);color:#fff;padding:54px 0 72px}
.course-hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:60px;background:var(--bg);clip-path:polygon(0 100%,100% 100%,100% 40%,0 95%)}
.course-hero .ico{width:74px;height:74px;border-radius:20px;display:grid;place-items:center;font-size:2.1rem;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);margin-bottom:18px}
.course-hero h1{color:#fff;font-size:clamp(2rem,5vw,3rem);font-weight:800;letter-spacing:-.5px}
.course-hero p{font-size:clamp(1.02rem,2.4vw,1.18rem);color:rgba(255,255,255,.93);margin:14px 0 26px;max-width:640px}
.course-main{padding:64px 0 20px}
.course-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:46px;align-items:start}
.prose h2{font-size:1.45rem;margin:30px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:14px;font-size:1.02rem}
.prose ul{list-style:none;display:grid;gap:11px;margin:6px 0 8px}
.prose ul li{display:flex;gap:11px;align-items:flex-start;font-size:1rem;color:var(--ink)}
.prose ul li svg{width:21px;height:21px;flex-shrink:0;color:var(--green);margin-top:2px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 4px}
.tags span{background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.9rem;font-weight:600;color:var(--ink)}
.aside{position:sticky;top:96px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.aside h3{font-size:1.15rem;margin-bottom:6px}
.aside p{font-size:.95rem;margin-bottom:16px}
.aside .btn{width:100%;margin-bottom:10px}
.aside .meta{list-style:none;margin-top:14px;display:grid;gap:10px;border-top:1px solid var(--line);padding-top:16px}
.aside .meta li{display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--body)}
.aside .meta svg{width:18px;height:18px;color:var(--brand);flex-shrink:0;margin-top:2px}
.other-courses{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.other-courses a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:.9rem;font-weight:600;color:var(--ink);transition:.15s}
.other-courses a:hover{border-color:var(--brand);color:var(--brand-ink)}

/* Modulos do curso */
.modgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:20px 0 4px;text-align:left}
.modcard{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:22px}
.modcard .num{font-family:'Poppins';font-weight:800;font-size:1.05rem;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));margin-bottom:13px}
.modcard h3{font-size:1.06rem;margin-bottom:6px}
.modcard p{font-size:.93rem;color:var(--body)}

/* FAQ (home e cursos) */
.faq{display:grid;gap:10px;margin-top:22px;text-align:left}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:2px 18px}
.faq summary{cursor:pointer;font-family:'Poppins';font-weight:600;font-size:1rem;color:var(--ink);padding:15px 30px 15px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:0;top:12px;color:var(--brand-ink);font-weight:700;font-size:1.35rem}
.faq details[open] summary::after{content:'-'}
.faq details p{padding:0 0 16px;font-size:.96rem;color:var(--body)}
@media(max-width:700px){.modgrid{grid-template-columns:1fr}}

/* ===== Responsivo / Mobile ===== */
@media(max-width:880px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:#fff;
    padding:18px 22px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .hero .container{grid-template-columns:1fr}
  .hero-art{margin-top:30px;max-width:360px}
  .chip.c3,.chip.c4,.chip.c5,.chip.c6{display:none}
  .features{grid-template-columns:1fr 1fr}
  .gallery{column-count:2}
  .grid-courses{grid-template-columns:1fr 1fr}
  .mods,.contact-grid{grid-template-columns:1fr}
  .course-layout{grid-template-columns:1fr;gap:30px}
  .aside{position:static}
}
/* Níveis de robótica (página robótica) */
.rb-grid{margin-top:46px;display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:26px}
.rb-card{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease}
.rb-card:hover{transform:translateY(-4px);box-shadow:0 26px 56px -20px rgba(36,59,138,.4)}
.rb-media{position:relative;display:flex;gap:3px;aspect-ratio:4/3;background:#0b1430}
.rb-media img{flex:1;min-width:0;width:100%;height:100%;object-fit:cover}
.rb-age{position:absolute;top:14px;left:14px;z-index:2;font-family:'Poppins';font-weight:800;font-size:1.02rem;
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));padding:6px 16px;border-radius:999px;
  box-shadow:0 10px 22px -8px rgba(36,59,138,.6)}
.rb-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.rb-tag{font-family:'Poppins';font-weight:700;font-size:.74rem;letter-spacing:.11em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:7px}
.rb-body h3{font-size:1.4rem;color:var(--ink);margin-bottom:9px}
.rb-body>p{color:var(--body);font-size:.98rem}
.rb-body ul{list-style:none;margin-top:15px;display:flex;flex-direction:column;gap:9px}
.rb-body li{display:flex;gap:9px;align-items:flex-start;font-size:.95rem;color:var(--body)}
.rb-body li svg{width:18px;height:18px;color:var(--green);flex:0 0 18px;margin-top:3px}

@media(max-width:560px){
  .container{padding:0 16px}
  section{padding:54px 0}
  .hero{padding:72px 0 84px}
  .features,.grid-courses{grid-template-columns:1fr}
  .nav-cta .btn-brand{display:none}
  .hero-stats{gap:20px;margin-top:32px}
  .hero-stats .n{font-size:1.6rem}
  .logo-card{padding:24px 22px}
  .cta-band{padding:40px 24px}
  .contact-card,.mod{padding:30px 24px}
  .btn{width:100%}
  .hero-actions .btn,.aside .btn,.contact-card .btn{width:100%}
  .foot-top{flex-direction:column}
  .foot-links{gap:30px}
}