:root{
  --bg:#0c0c0e;
  --side:#050505;
  --panel:#18181b;
  --panel-2:#1f1f23;
  --line:#2a2a2f;
  --text:#f4f4f5;
  --muted:#a1a1aa;
  --dim:#71717a;
  --accent:#f4a62a;
  --accent-soft:rgba(244,166,42,.14);
  --green:#25d366;
  --radius:14px;
  --side-w:300px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text)}
body{font-family:"Figtree",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{display:block;max-width:100%}
.hide-sm{}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ============ LAYOUT HOME ============ */
.shell{display:flex;min-height:100vh}
.side{position:fixed;inset:0 auto 0 0;width:var(--side-w);background:var(--side);border-right:1px solid #161618;display:flex;flex-direction:column;z-index:30;transition:transform .25s}
.side__top{display:flex;align-items:center;justify-content:space-between;padding:28px 24px 18px}
.side__logo{height:30px;width:auto}
.side__icons{display:flex;gap:14px;color:var(--muted)}
.search{margin:0 20px 22px;display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;color:var(--muted);background:#0d0d0f;width:calc(100% - 40px);text-align:left}
.search span{flex:1}
.search kbd{font:600 12px/1 "Figtree";background:#27272a;color:#d4d4d8;padding:6px 7px;border-radius:7px}
.menu{flex:1;overflow:auto;padding:4px 16px 16px;display:flex;flex-direction:column;gap:4px}
.menu__item{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:12px;color:var(--accent);font-weight:600;font-size:17px;border:1px solid transparent;text-align:left;width:100%}
.menu__item:hover{background:#141416}
.menu__item.is-active{background:rgba(244,166,42,.16);border-color:rgba(244,166,42,.55)}
.menu__item svg{flex:none}
.side__user{border-top:1px solid #1c1c1f;padding:16px 20px;display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:#2b3442;border:2px solid #5b7fa8;display:grid;place-items:center;font-weight:700;color:#cbd5e1;flex:none}
.side__user b{font-size:17px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:99px;border:1px solid rgba(244,166,42,.5);color:var(--accent);font-size:13px;font-weight:700;background:rgba(244,166,42,.08)}

.main{flex:1;margin-left:var(--side-w);min-width:0}
.topbar{display:none}

/* Banner */
.banner{position:relative;aspect-ratio:1919/805;max-height:640px;width:100%;overflow:hidden;background:#111}
.banner__track{display:flex;height:100%;transition:transform .6s cubic-bezier(.7,0,.3,1)}
.banner__track img{width:100%;height:100%;object-fit:cover;flex:none}
.banner__nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:82px;border-radius:10px;background:rgba(40,40,46,.55);display:grid;place-items:center;color:#fff;backdrop-filter:blur(4px)}
.banner__nav:hover{background:rgba(40,40,46,.8)}
.banner__nav--l{left:4px}.banner__nav--r{right:4px}
.banner__dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:6px}
.banner__dots i{width:7px;height:7px;border-radius:9px;background:rgba(255,255,255,.4);transition:.3s}
.banner__dots i.on{width:22px;background:#fff}

/* Demo strip */
.demo-strip{margin:28px 68px 0;padding:18px 22px;border-radius:var(--radius);background:linear-gradient(100deg,rgba(244,166,42,.16),rgba(244,166,42,.04));border:1px solid rgba(244,166,42,.35);display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.demo-strip p{color:#e4e4e7;max-width:720px}
.demo-strip b{color:var(--accent)}

.section{padding:38px 68px 8px}
.section h2{font-size:30px;font-weight:700;letter-spacing:-.01em;margin-bottom:26px}
.row{display:flex;gap:28px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;scrollbar-width:thin;scrollbar-color:#333 transparent}
.card{flex:none;scroll-snap-align:start;border-radius:10px;overflow:hidden;position:relative;background:var(--panel);transition:transform .2s, box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.5)}
.card img{width:100%;height:100%;object-fit:cover}
.card--wide{width:478px;aspect-ratio:741/416}
.card--tall{width:276px;aspect-ratio:2/3}
.card__badge{position:absolute;top:10px;left:10px;font-size:12px;font-weight:700;padding:5px 9px;border-radius:99px;background:rgba(0,0,0,.72);backdrop-filter:blur(4px);display:flex;gap:5px;align-items:center}
.card__badge--free{background:var(--accent);color:#1a1205}
.footer{padding:40px 68px 60px;color:var(--dim);font-size:14px}

/* ============ PLAYER PAGE ============ */
.lesson-page{max-width:1820px;margin:0 auto;padding:0 56px 80px}
.lp-head{display:flex;align-items:center;gap:28px;padding:30px 0 34px}
.lp-back{color:var(--accent);padding:8px}
.lp-logo{height:34px;width:auto}
.lp-title{border-left:1px solid var(--line);padding-left:28px;margin-left:28px}
.lp-title h1{font-size:30px;font-weight:700;letter-spacing:-.01em;line-height:1.1}
.lp-title small{color:var(--muted);font-size:15px}
.lp-title small b{color:var(--accent)}
.lp-user{margin-left:auto;display:flex;align-items:center;gap:18px;color:var(--muted);font-size:18px}
.lp-dashes{display:flex;gap:6px}
.lp-dashes i{width:22px;height:7px;border-radius:9px;background:#2a2a2e}
.lp-dashes i.on{background:var(--accent)}
.lp-grid{display:grid;grid-template-columns:minmax(0,1fr) 520px;gap:52px;align-items:start}

.player{position:relative;aspect-ratio:16/9;border-radius:22px;overflow:hidden;background:#000}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.player--locked{display:grid;place-items:center;text-align:center}
.player--locked img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(14px) brightness(.35);transform:scale(1.1)}
.player--locked .lockbox{position:relative;padding:24px;max-width:460px}
.lockbox .modal__lock{margin:0 auto 18px}
.lockbox h3{font-size:24px;margin-bottom:8px}
.lockbox p{color:#d4d4d8;margin-bottom:20px}
.lp-ctrls{display:flex;justify-content:space-between;align-items:center;padding:20px 4px;color:var(--muted)}
.lp-ctrls button{padding:6px}
.lp-ctrls button:hover{color:var(--text)}

.lp-info{padding-top:34px}
.lp-info__top{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.lp-info__top h2{font-size:28px;font-weight:600}
.lp-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.lp-actions .link{display:flex;align-items:center;gap:8px;color:#d4d4d8;font-size:18px}
.lp-actions .link:hover{color:#fff}
.tabs{display:flex;gap:44px;border-bottom:1px solid var(--line);margin:34px 0 26px}
.tabs button{padding:0 0 14px;font-size:21px;color:var(--muted);border-bottom:3px solid transparent;margin-bottom:-1px}
.tabs button.on{color:var(--accent);border-color:var(--accent)}
.lp-desc h3{font-size:19px;margin-bottom:12px}
.lp-desc p{font-size:18px;color:#e4e4e7;margin-bottom:14px}
.pdf-box{margin-top:26px;display:flex;align-items:center;gap:18px;padding:18px 20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);flex-wrap:wrap}
.pdf-box__ico{width:48px;height:48px;border-radius:12px;background:rgba(239,68,68,.14);color:#f87171;display:grid;place-items:center;flex:none}
.pdf-box div{flex:1;min-width:180px}
.pdf-box b{display:block;font-size:17px}
.pdf-box span{color:var(--muted);font-size:14px}

/* Sidebar módulos */
.mods{display:flex;flex-direction:column;gap:22px;max-height:calc(100vh - 150px);overflow:auto;padding-right:10px;position:sticky;top:20px;scrollbar-width:thin;scrollbar-color:#3a3a3f transparent}
.mod{flex:none;background:var(--panel);border:1px solid #232327;border-radius:var(--radius);overflow:hidden}
.mod__head{display:flex;align-items:center;gap:16px;width:100%;padding:28px 28px;text-align:left;font-size:24px;font-weight:700}
.mod__head .ring{width:38px;height:38px;border-radius:50%;border:2px solid #333;display:grid;place-items:center;font-size:10px;font-weight:700;color:var(--accent);flex:none}
.mod__head .chev{margin-left:auto;color:var(--dim);transition:transform .2s}
.mod.open .mod__head .chev{transform:rotate(180deg)}
.mod__body{display:none;background:#141417;padding:14px 28px 22px}
.mod.open .mod__body{display:block}
.item{position:relative;display:flex;align-items:flex-start;gap:18px;width:100%;padding:14px 0;text-align:left;font-size:18px;color:#d4d4d8}
.item::before{content:"";position:absolute;left:10px;top:42px;bottom:-14px;width:2px;background:#2c2c31}
.item:last-child::before{display:none}
.item__dot{width:22px;height:22px;border-radius:50%;border:2px solid #4a4a50;flex:none;margin-top:3px;display:grid;place-items:center;background:#141417;position:relative;z-index:1}
.item__t{flex:1}
.item__meta{display:flex;gap:10px;align-items:center;color:var(--dim);font-size:14px;white-space:nowrap;margin-top:4px}
.item .lock{color:#5f5f66}
.item:hover{color:#fff}
.item.is-free .item__dot{border-color:var(--accent)}
.item.is-current{color:var(--accent)}
.item.is-current .item__dot{background:var(--accent);border-color:var(--accent)}
.tag-free{font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#1a1205;background:var(--accent);padding:3px 7px;border-radius:6px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:99px;font-weight:700;font-size:17px;transition:filter .15s, transform .15s;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:scale(.98)}
.btn--accent{background:var(--accent);color:#1a1205}
.btn--wa{background:var(--green);color:#06290f;width:100%}
.btn--ghost{color:var(--muted);width:100%;font-weight:600;padding:12px}
.btn--ghost:hover{color:#fff}

/* WhatsApp flutuante */
.wa-float{position:fixed;right:22px;bottom:22px;width:62px;height:62px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.45);z-index:40;transition:transform .2s}
.wa-float:hover{transform:scale(1.06)}

/* Modal */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:16px}
.modal[hidden]{display:none}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(3px);animation:fade .2s}
.modal__card{position:relative;width:100%;max-width:440px;background:#17171a;border:1px solid #2c2c31;border-radius:22px;padding:34px 30px 20px;text-align:center;animation:pop .25s cubic-bezier(.2,.9,.3,1.2)}
.modal__x{position:absolute;top:10px;right:14px;font-size:30px;color:var(--dim);line-height:1;padding:6px}
.modal__x:hover{color:#fff}
.modal__lock{width:62px;height:62px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin:0 auto 18px}
.modal h2{font-size:24px;line-height:1.2;margin-bottom:10px}
.modal__text{color:#c4c4cc;margin-bottom:24px}
.modal__text strong{color:#fff}
.modal .btn--ghost{margin-top:6px}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.96)}}

/* ============ RESPONSIVO ============ */
@media (max-width:1400px){
  .lp-grid{grid-template-columns:minmax(0,1fr) 420px;gap:36px}
  .mod__head{font-size:21px;padding:22px}
  .mod__body{padding:10px 22px 18px}
  .item{font-size:16px}
}
@media (max-width:1100px){
  :root{--side-w:260px}
  .section,.footer{padding-left:36px;padding-right:36px}
  .demo-strip{margin-left:36px;margin-right:36px}
  .lesson-page{padding:0 28px 80px}
  .lp-grid{grid-template-columns:1fr}
  .mods{position:static;max-height:none}
  .lp-dashes{display:none}
}
@media (max-width:860px){
  .side{transform:translateX(-100%)}
  .side.open{transform:none;box-shadow:0 0 0 100vmax rgba(0,0,0,.6)}
  .main{margin-left:0}
  .topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--side);position:sticky;top:0;z-index:20;border-bottom:1px solid #161618}
  .topbar img{height:26px}
  .section{padding:28px 16px 4px}
  .section h2{font-size:23px;margin-bottom:16px}
  .row{gap:14px}
  .card--wide{width:82vw;max-width:420px}
  .card--tall{width:44vw;max-width:220px}
  .demo-strip{margin:20px 16px 0;padding:16px}
  .demo-strip .btn{width:100%}
  .footer{padding:30px 16px 90px}
  .banner__nav{width:34px;height:56px}
  .lesson-page{padding:0 16px 90px}
  .lp-head{gap:12px;padding:16px 0 18px}
  .lp-logo,.lp-user span{display:none}
  .lp-title{border:0;padding:0;margin:0}
  .lp-title h1{font-size:21px}
  .lp-title small{font-size:13px}
  .lp-user .avatar{width:36px;height:36px;font-size:13px}
  .player{border-radius:14px}
  .lp-info{padding-top:10px}
  .lp-info__top h2{font-size:21px}
  .lp-actions{gap:16px;width:100%}
  .lp-actions .btn{flex:1 1 100%}
  .lp-actions .link{font-size:16px}
  .tabs{gap:28px;margin:24px 0 18px}
  .tabs button{font-size:18px}
  .lp-desc p{font-size:16px}
  .mod__head{font-size:19px;padding:18px}
  .mod__body{padding:8px 16px 14px}
  .item{font-size:15px;gap:14px}
  .lockbox h3{font-size:19px}
  .lockbox p{font-size:14px;margin-bottom:14px}
  .lockbox .modal__lock{width:46px;height:46px;margin-bottom:10px}
  .lockbox .modal__lock svg{width:22px;height:22px}
  .wa-float{width:54px;height:54px;right:16px;bottom:16px}
}