/* =========================================================
   LINKED TURBO — Tutorial (tema light)
   ========================================================= */
:root{
  --bg:#F6F8FC;
  --bg-2:#EEF3FB;
  --surface:#FFFFFF;
  --surface-2:#F3F6FC;
  --line:#E4E9F2;
  --line-2:#D5DDEB;
  --text:#0B1530;
  --text-2:#34405A;
  --muted:#5E6B85;
  --navy:#0A1428;
  --blue:#0A66C2;
  --blue-2:#2F7CF6;
  --cyan:#0EA5C6;
  --green:#16A34A;
  --wa:#25D366;
  --grad:linear-gradient(135deg,#0A66C2 0%,#2F7CF6 45%,#0EA5C6 100%);
  --grad-soft:linear-gradient(135deg,#EAF2FF 0%,#E6F8FC 100%);
  --radius:20px;
  --radius-sm:14px;
  --shadow-sm:0 1px 2px rgba(11,21,48,.05),0 2px 8px rgba(11,21,48,.04);
  --shadow:0 1px 2px rgba(11,21,48,.04),0 12px 32px -12px rgba(11,21,48,.14);
  --shadow-lg:0 30px 70px -28px rgba(10,102,194,.35);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --display:'Plus Jakarta Sans',var(--font);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-2)}
h1,h2,h3{font-family:var(--display);line-height:1.15;margin:0 0 .5em;letter-spacing:-.025em;color:var(--text)}
h1{font-size:clamp(2.1rem,4.8vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.65rem,3vw,2.4rem);font-weight:800}
h3{font-size:1.08rem;font-weight:700}
p{margin:0 0 1em}
strong{color:var(--text)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:#EEF4FF;border:1px solid #D6E4FB;padding:.12em .45em;border-radius:6px;color:var(--blue)}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.ico{width:1.15em;height:1.15em;flex:none}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.container--narrow{max-width:820px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Selo do logo (funciona com logo claro ou escuro) */
.brand-badge{display:inline-flex;align-items:center;background:var(--navy);border-radius:12px;padding:7px 12px;box-shadow:0 6px 18px -8px rgba(10,20,40,.45)}
.brand-badge img{height:26px;width:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-weight:700;font-size:.95rem;padding:.8em 1.3em;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s,color .2s;font-family:inherit;color:#fff;white-space:nowrap}
.btn:hover{transform:translateY(-1px);color:#fff}
.btn--lg{padding:1em 1.6em;font-size:1rem}
.btn--sm{padding:.6em 1em;font-size:.875rem}
.btn--block{width:100%}
.btn--primary{background:var(--grad);box-shadow:0 10px 24px -10px rgba(10,102,194,.6)}
.btn--primary:hover{box-shadow:0 16px 32px -12px rgba(10,102,194,.7)}
.btn--ghost{background:var(--surface);border-color:var(--line-2);color:var(--text);box-shadow:var(--shadow-sm)}
.btn--ghost:hover{border-color:var(--blue-2);color:var(--blue)}
.btn--wa{background:var(--wa);color:#fff;box-shadow:0 10px 22px -12px rgba(37,211,102,.9)}
.btn--wa:hover{color:#fff;background:#1EBE5A}
.btn--done{background:#ECFDF3;border-color:#BBF7D0;color:#15803D}
.btn--done:hover{color:#15803D;background:#DCFCE7}
.btn--done.is-done{background:var(--green);color:#fff;border-color:var(--green)}
.btn:disabled{opacity:.4;pointer-events:none}
.link-btn{background:none;border:0;color:var(--muted);cursor:pointer;font-family:inherit;padding:0;text-decoration:underline;text-underline-offset:3px}
.link-btn:hover{color:var(--blue)}

.eyebrow{display:inline-flex;align-items:center;gap:.5em;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);background:#EAF2FF;border:1px solid #D3E3FD;padding:.4em .85em;border-radius:999px;margin-bottom:1em}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(22,163,74,.18);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 6px rgba(22,163,74,.05)}}
.tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.1em;color:var(--blue);background:#EAF2FF;border:1px solid #D3E3FD;padding:.25em .75em;border-radius:999px;margin-bottom:.6em}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;gap:24px;height:70px}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{color:var(--text-2);font-weight:500;font-size:.93rem}
.nav a:hover{color:var(--blue)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;padding:8px}
.burger span{display:block;height:2px;background:var(--text);margin:5px 0;border-radius:2px}

/* Hero */
.hero{position:relative;padding:84px 0 56px;overflow:hidden;background:
  radial-gradient(900px 500px at 85% -10%,rgba(47,124,246,.16),transparent 60%),
  radial-gradient(700px 400px at -10% 20%,rgba(14,165,198,.12),transparent 60%),
  linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(10,102,194,.14) 1px,transparent 1px);background-size:26px 26px;mask-image:radial-gradient(ellipse at 70% 20%,#000 0%,transparent 60%);-webkit-mask-image:radial-gradient(ellipse at 70% 20%,#000 0%,transparent 60%);pointer-events:none}
.hero__glow{display:none}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:center}
.lead{font-size:1.14rem;color:var(--text-2);max-width:620px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 22px}
.hero__chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero__chips li{display:inline-flex;align-items:center;gap:.45em;font-size:.82rem;font-weight:500;color:var(--text-2);background:var(--surface);border:1px solid var(--line);padding:.4em .9em;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero__chips li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad)}

.progress-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:14px}
.progress-card::before{content:"";position:absolute;inset:0 0 auto;height:5px;border-radius:24px 24px 0 0;background:var(--grad)}
.progress-card__head{display:flex;justify-content:space-between;align-items:baseline;font-weight:600;color:var(--text-2)}
.progress-card__head strong{font-family:var(--display);font-size:2.2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.progress-card p{margin:0}
.progress-card .link-btn{align-self:center}
.bar{height:10px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}
.bar__fill{height:100%;width:0;background:var(--grad);border-radius:inherit;transition:width .5s ease}

/* Sections */
.section{padding:80px 0}
.section--tight{padding:4px 0 16px}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head .muted{font-size:1.04rem}
.sec-head--center{text-align:center;margin-left:auto;margin-right:auto}
#instalacao,#boas-praticas{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* Quick steps */
.quick{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick li{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;box-shadow:var(--shadow-sm)}
.quick span{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--grad);box-shadow:0 8px 16px -8px rgba(10,102,194,.7)}
.quick p{margin:0;color:var(--muted);font-size:.86rem;line-height:1.35}

/* Download */
.download{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center;background:var(--grad-soft);border:1px solid #D6E4FB;border-radius:28px;padding:52px;position:relative;overflow:hidden}
.download::after{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(47,124,246,.18),transparent 70%);pointer-events:none}
.download .muted{color:var(--text-2)}
.req{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.req li{display:flex;gap:10px;align-items:center;font-weight:500}
.req .ico{color:#fff;background:var(--green);border-radius:50%;padding:4px;width:22px;height:22px}
.download__card{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:34px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;box-shadow:var(--shadow-lg)}
.download__card .brand-badge{margin-bottom:14px;padding:10px 16px}
.download__card .brand-badge img{height:34px}
.download__name{font-family:var(--display);font-weight:800;font-size:1.25rem;margin:0}
.download__card .btn{margin:16px 0 8px}

/* Steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.step{display:flex;gap:18px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:border-color .2s,box-shadow .2s,transform .2s}
.step:hover{border-color:#BBD3FA;box-shadow:var(--shadow);transform:translateY(-2px)}
.step__n{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:1rem;color:var(--blue);background:#EAF2FF;border:1px solid #D3E3FD}
.step p{margin:0;color:var(--muted)}
.callout{display:flex;align-items:center;gap:16px;margin-top:24px;background:#F0F7FF;border:1px solid #D3E3FD;border-radius:var(--radius-sm);padding:18px 22px}
.callout>.ico{color:var(--blue);width:24px;height:24px}
.callout p{margin:0;flex:1;color:var(--text-2)}

/* Classroom */
.classroom{display:grid;grid-template-columns:1fr 380px;gap:24px;align-items:start}
.player{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:sticky;top:90px;box-shadow:var(--shadow)}
.player__frame{position:relative;aspect-ratio:16/9;background:#0A1428}
.player__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.player__poster{position:absolute;inset:0;border:0;padding:0;cursor:pointer;background:#0A1428}
.player__poster img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:opacity .2s}
.player__poster:hover img{opacity:1}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:84px;height:84px;border-radius:50%;background:var(--grad);display:grid;place-items:center;box-shadow:0 0 0 12px rgba(255,255,255,.25),0 20px 40px rgba(0,0,0,.35);transition:transform .2s}
.player__poster:hover .play-btn{transform:translate(-50%,-50%) scale(1.07)}
.play-btn svg{width:34px;height:34px;color:#fff;margin-left:4px}
.player__meta{padding:26px}
.player__meta h3{font-size:1.4rem}
.player__actions{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 14px}

.playlist{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.playlist__head{padding:18px 18px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.filters{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{font:inherit;font-size:.76rem;font-weight:600;color:var(--text-2);background:var(--surface);border:1px solid var(--line-2);border-radius:999px;padding:.38em .85em;cursor:pointer;transition:.15s}
.chip:hover{color:var(--blue);border-color:#BBD3FA}
.chip.is-active{color:#fff;background:var(--blue);border-color:var(--blue)}
.playlist__list{list-style:none;margin:0;padding:8px;max-height:640px;overflow-y:auto}
.playlist__list::-webkit-scrollbar{width:8px}
.playlist__list::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:8px}
.lesson{display:flex;gap:12px;align-items:center;width:100%;text-align:left;background:none;border:1px solid transparent;border-radius:12px;padding:10px;cursor:pointer;color:var(--text);font:inherit;transition:background .15s}
.lesson:hover{background:var(--surface-2)}
.lesson.is-active{background:#EAF2FF;border-color:#BBD3FA}
.lesson__thumb{position:relative;flex:none;width:104px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:#0A1428}
.lesson__thumb img{width:100%;height:100%;object-fit:cover}
.lesson__n{position:absolute;left:6px;bottom:6px;font-size:.64rem;font-weight:800;color:#fff;background:rgba(10,20,40,.85);padding:.1em .45em;border-radius:5px}
.lesson__title{font-size:.86rem;font-weight:600;line-height:1.35}
.lesson__mod{display:block;font-size:.72rem;color:var(--muted);margin-top:2px}
.lesson__check{flex:none;margin-left:auto;width:22px;height:22px;border-radius:50%;border:2px solid var(--line-2);display:grid;place-items:center;background:#fff}
.lesson__check svg{width:12px;height:12px;color:#fff;opacity:0}
.lesson.is-done .lesson__check{background:var(--green);border-color:var(--green)}
.lesson.is-done .lesson__check svg{opacity:1}

/* Tips */
.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tip{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.tip:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#BBD3FA;background:var(--surface)}
.tip__ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--grad);color:#fff;margin-bottom:18px;box-shadow:0 10px 20px -10px rgba(10,102,194,.7)}
.tip__ico .ico{width:22px;height:22px}
.tip p{margin:0;color:var(--muted);font-size:.95rem}

/* FAQ */
.faq{display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-sm);transition:border-color .2s}
.faq details[open]{border-color:#BBD3FA}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:1.2rem;color:var(--blue);background:#EAF2FF;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 24px 22px;margin:0;color:var(--muted)}

/* Support */
.support{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;background:var(--navy);background-image:radial-gradient(600px 300px at 100% 0,rgba(47,124,246,.45),transparent 60%),radial-gradient(500px 300px at 0 100%,rgba(37,211,102,.25),transparent 60%);border-radius:28px;padding:48px;color:#fff;box-shadow:var(--shadow-lg)}
.support h2{color:#fff;margin-bottom:.3em}
.support p{margin:0;color:#B8C4DC}
.support .eyebrow{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:#9CC6FF}
.support .btn--ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff;box-shadow:none}
.support .btn--ghost:hover{background:rgba(255,255,255,.16);color:#fff}
.support__actions{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
.footer{border-top:1px solid var(--line);background:var(--surface);padding:44px 0 100px;margin-top:40px}
.footer__inner{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center}
.footer nav{display:flex;flex-wrap:wrap;gap:22px;justify-content:center}
.footer nav a{color:var(--text-2);font-size:.9rem;cursor:pointer}
.footer nav a:hover{color:var(--blue)}

/* Floating WA + toast */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:58px;height:58px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 12px 28px rgba(37,211,102,.45);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;color:#fff}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:12px 20px;border-radius:12px;font-size:.9rem;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:70;box-shadow:0 16px 40px rgba(10,20,40,.3)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}

/* Responsive */
@media (max-width:1024px){
  .classroom{grid-template-columns:1fr}
  .player{position:static}
  .playlist__list{max-height:none}
  .tips{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav{position:fixed;top:70px;left:0;right:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:8px 20px 16px;transform:translateY(-130%);transition:transform .25s;margin:0}
  .nav.open{transform:none}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .burger{display:block;margin-left:auto}
  .header__inner .btn--wa{display:none}
  .hero{padding:52px 0 32px}
  .hero__grid,.download{grid-template-columns:1fr;gap:28px}
  .download{padding:28px}
  .quick{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .callout{flex-direction:column;align-items:flex-start}
  .support{padding:30px}
}
@media (max-width:560px){
  .quick,.tips{grid-template-columns:1fr}
  .hero__cta .btn{width:100%}
  .player__actions .btn{flex:1}
  .lesson__thumb{width:88px}
  .section{padding:56px 0}
}