/* ==========================================================================
   Nativo · design system (light)
   Beginner English for Brazilian Portuguese speakers.
   Warm paper, generous space. A beginner opening lesson 01 should feel
   welcomed, not tested.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,600&family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --paper:#F2F4F6;
  --paper-2:#E7EBEE;
  --card:#FFFFFF;
  --line:#DAE0E4;
  --line-2:#C0C9D0;

  --ink:#0B1013;
  --ink-2:#35414A;
  --muted:#6B7880;

  --accent:#0093A8;
  --accent-2:#DEF3F6;
  --accent-d:#00707F;

  --ok:#14855C;
  --ok-2:#E1F3EB;
  --no:#CE3040;
  --no-2:#FAE9EB;
  --gold:#96720E;
  --gold-2:#F6EFDA;
  --blue:#41618A;
  --blue-2:#E9EFF7;

  --serif:'Fraunces',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

  --r-s:10px; --r-m:14px; --r-l:20px; --r-xl:28px;
  --ease:cubic-bezier(.22,.9,.3,1);
  --sh:0 1px 2px rgba(11,16,19,.04),0 8px 24px rgba(11,16,19,.06);
  --sh-2:0 2px 4px rgba(11,16,19,.05),0 14px 40px rgba(11,16,19,.10);
  --wrap:1120px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--paper);color:var(--ink);
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
a{color:inherit}
input{font-family:inherit}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-n{max-width:760px;margin:0 auto;padding:0 24px}

/* ---------- type ---------- */
.d1{font-family:var(--serif);font-weight:300;font-size:clamp(40px,6.8vw,84px);line-height:1.0;letter-spacing:-.025em}
.d2{font-family:var(--serif);font-weight:300;font-size:clamp(29px,4.2vw,50px);line-height:1.08;letter-spacing:-.02em}
.d3{font-family:var(--serif);font-weight:400;font-size:clamp(21px,2.6vw,30px);line-height:1.2;letter-spacing:-.01em}
.lede{font-size:clamp(16px,1.7vw,19.5px);line-height:1.65;color:var(--ink-2)}
.eyebrow{font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--muted)}
.ipa{letter-spacing:.02em;white-space:nowrap;color:var(--gold)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:100px;font-size:15px;font-weight:700;
  transition:transform .16s var(--ease),background .16s,box-shadow .16s,border-color .16s;
  white-space:nowrap;text-decoration:none;
}
.btn:active{transform:scale(.975)}
.btn-primary{background:var(--accent-d);color:#fff;box-shadow:0 6px 18px rgba(0,147,168,.26)}
.btn-primary:hover{background:var(--accent-d);box-shadow:0 10px 26px rgba(0,147,168,.34)}
.btn-ghost{border:1.5px solid var(--line-2);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2);border-color:var(--muted)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-dark:hover{background:#223036}
.btn[disabled]{opacity:.42;pointer-events:none}
.btn-lg{padding:17px 36px;font-size:16.5px}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;padding:16px 26px;
  background:rgba(242,244,246,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
.nav.stuck{border-bottom-color:var(--line)}
.logo{font-family:var(--serif);font-size:23px;font-weight:400;display:flex;align-items:center;gap:9px}
.logo .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.5);opacity:.45}}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 80px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:14px 0 20px}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-shot{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.hero-shot img{width:100%;aspect-ratio:4/5;object-fit:cover}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--muted)}

/* try-it strip on the landing page */
.tryit{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:22px 24px;margin-top:34px;box-shadow:var(--sh)}
.tryit .lb{font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.tryit .row{display:flex;gap:10px;flex-wrap:wrap}
.chip-say{
  display:inline-flex;align-items:center;gap:8px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:100px;padding:9px 17px;
  font-size:14.5px;font-weight:600;transition:all .15s var(--ease);
}
.chip-say:hover{border-color:var(--accent);background:var(--accent-2);color:var(--accent-d)}
.chip-say.on{border-color:var(--accent);background:var(--accent-2)}

/* ---------- sections ---------- */
.sec{padding:88px 0}
.sec-head{max-width:660px;margin-bottom:46px}
.sec-head .d2{margin:12px 0 15px}

.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(266px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:28px 26px;box-shadow:var(--sh);transition:transform .2s var(--ease),box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card .n{font-family:var(--serif);font-size:38px;color:var(--accent);line-height:1}
.card h3{font-size:18.5px;font-weight:700;margin:13px 0 8px;letter-spacing:-.01em}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.6}

/* course map */
.mod{margin-top:34px}
.mod-h{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.mod-h .k{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.lrow{
  display:grid;grid-template-columns:46px 1fr auto;gap:18px;align-items:center;
  padding:16px 20px;border-radius:var(--r-m);background:var(--card);
  border:1px solid var(--line);margin-bottom:9px;transition:all .16s var(--ease);
  text-decoration:none;color:inherit;box-shadow:var(--sh);
}
.lrow:hover{transform:translateX(3px);border-color:var(--accent);box-shadow:var(--sh-2)}
.lrow .num{font-family:var(--serif);font-size:25px;color:var(--muted)}
.lrow .ti{font-size:16px;font-weight:700;letter-spacing:-.005em}
.lrow .sub{font-size:13.5px;color:var(--muted);margin-top:2px}
.pill{font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:6px 13px;border-radius:100px;white-space:nowrap}
.pill-live{background:var(--ink);color:#fff}
.pill-done{background:var(--ok-2);color:var(--ok)}
.pill-soon{background:var(--paper-2);color:var(--muted)}

/* ==========================================================================
   LESSON PLAYER
   ========================================================================== */
.player{min-height:100svh;display:flex;flex-direction:column;background:var(--paper)}

.pbar{position:sticky;top:0;z-index:50;background:rgba(242,244,246,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.pbar-in{display:flex;align-items:center;gap:16px;padding:13px 24px;max-width:var(--wrap);margin:0 auto}
.pbar .back{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:6px;text-decoration:none;transition:color .15s}
.pbar .back:hover{color:var(--ink)}
.pbar .ti{font-size:14px;font-weight:700;flex:1;text-align:center}
.pbar .ti span{color:var(--muted);font-weight:500}
.beats{display:flex;gap:4px;padding:0 24px 11px;max-width:var(--wrap);margin:0 auto;width:100%}
.bdot{flex:1;height:4px;border-radius:4px;background:var(--line);overflow:hidden;position:relative}
.bdot i{position:absolute;inset:0;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.bdot.done i{transform:scaleX(1)}
.bdot.now i{transform:scaleX(.5);background:linear-gradient(90deg,var(--accent),var(--gold))}

.stage{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:48px 24px 128px}
.beat{max-width:720px;width:100%;animation:rise .45s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.beat-k{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.beat-k .n{width:29px;height:29px;border-radius:50%;background:var(--accent-d);color:#fff;display:grid;place-items:center;font-size:13.5px;font-weight:800;flex:none}
.beat-k .l{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.beat h2{font-family:var(--serif);font-weight:300;font-size:clamp(28px,3.8vw,42px);line-height:1.1;letter-spacing:-.02em;margin-bottom:20px}
.beat p{font-size:16.5px;line-height:1.68;color:var(--ink-2);margin-bottom:14px}
.beat p strong{color:var(--ink);font-weight:700}
.beat p em{color:var(--accent-d);font-style:italic;font-weight:500}

.beat-art{border-radius:var(--r-l);overflow:hidden;margin:22px 0 28px;box-shadow:var(--sh)}
.beat-art img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---- can-do list ---- */
.cando{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:24px 26px;box-shadow:var(--sh);margin:22px 0}
.cando .h{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.cando ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.cando li{display:flex;gap:11px;font-size:16px;color:var(--ink);line-height:1.5}
.cando li::before{content:'✓';color:var(--ok);font-weight:800;flex:none}

/* ---- vocabulary ---- */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px;margin:22px 0}
.vcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:17px 19px;text-align:left;box-shadow:var(--sh);transition:all .16s var(--ease);
}
.vcard:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--sh-2)}
.instruction-card{display:grid;grid-template-columns:56px minmax(0,1fr);gap:14px;align-items:start;background:#f4f8f4;border:1px solid #cddfd6;border-radius:18px;padding:16px;margin:0 0 18px;color:#17312e}
.instruction-card p{margin:5px 0 10px;color:#294744;line-height:1.5}
.instruction-visual{width:48px;height:48px;border-radius:15px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900}
.instruction-label{font-size:10px;font-weight:900;letter-spacing:.14em;color:#28776d}
.instruction-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.instruction-actions .btn{width:auto;min-height:42px;padding:9px 13px}
.instruction-translation{border-top:1px solid #cddfd6;margin-top:12px;padding-top:12px}
.instruction-translation[hidden],.instruction-actions [hidden]{display:none}
@media(max-width:520px){.instruction-card{grid-template-columns:1fr}.instruction-visual{width:42px;height:42px}.instruction-actions{align-items:stretch}.instruction-actions>*{flex:1}}
.vcard .en{font-size:20px;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.vcard .ip{font-size:13px;margin-top:3px}
.vcard .pt{font-size:14px;color:var(--muted);margin-top:6px}
.vcard .tip{font-size:12.5px;color:var(--accent-d);background:var(--accent-2);border-radius:8px;padding:7px 10px;margin-top:10px;line-height:1.45}

/* ---- grammar ---- */
.rule{background:var(--gold-2);border:1px solid #E3D6AC;border-radius:var(--r-l);padding:22px 24px;margin:20px 0;font-size:16.5px;line-height:1.65;color:#5C4514}
.rule strong{color:#3D2D08}
.gtable{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh)}
.gtable th{background:var(--paper-2);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:12px 16px;text-align:left}
.gtable td{padding:13px 16px;border-top:1px solid var(--line);font-size:15.5px}
.gtable td:first-child{font-weight:600;color:var(--muted);width:34%}
.gtable td b{color:var(--accent-d)}
.exs{display:flex;flex-direction:column;gap:9px;margin:20px 0}
.ex{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r-m);padding:14px 18px;box-shadow:var(--sh)}
.ex .en{font-size:17px;font-weight:600}
.ex .en b{color:var(--accent-d)}
.ex .pt{font-size:13.5px;color:var(--muted);margin-top:3px}
.ex .row{margin-top:10px}

/* ---- audio button ---- */
.play{
  display:inline-flex;align-items:center;gap:9px;background:var(--paper-2);
  border:1px solid var(--line);border-radius:100px;padding:9px 17px;
  font-size:14px;font-weight:600;transition:all .15s var(--ease);
}
.play:hover{border-color:var(--accent);background:var(--accent-2);color:var(--accent-d)}
.play.on{border-color:var(--accent);background:var(--accent-2);color:var(--accent-d)}
.play .ic{width:17px;height:17px;flex:none}
.play-sm{padding:6px 13px;font-size:13px}

/* ---- exercises ---- */
.qhead{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.qhead .c{font-size:12.5px;color:var(--muted);font-weight:700;letter-spacing:.04em}
.qhead .score{margin-left:auto;font-size:12.5px;font-weight:700;color:var(--ok)}

.qcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:24px 26px;box-shadow:var(--sh);margin-bottom:14px}
.qprompt{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:6px}
.qprompt b{color:var(--accent-d)}
.qhint{font-size:13.5px;color:var(--muted);margin-bottom:16px}

.opts{display:flex;flex-direction:column;gap:9px}
.opts.two{display:grid;grid-template-columns:1fr 1fr}
.opt{
  background:var(--paper);border:1.5px solid var(--line);border-radius:var(--r-m);
  padding:15px 18px;text-align:left;font-size:16px;font-weight:500;
  transition:all .15s var(--ease);display:flex;align-items:center;gap:11px;
}
.opt:hover:not(:disabled){border-color:var(--accent);background:var(--accent-2)}
.opt:disabled{cursor:default}
.opt.right{border-color:var(--ok);background:var(--ok-2);color:#0F5D46;font-weight:700}
.opt.wrong{border-color:var(--no);background:var(--no-2);color:#9B2430}
.opt .k{width:24px;height:24px;border-radius:6px;background:var(--paper-2);display:grid;place-items:center;font-size:12px;font-weight:800;color:var(--muted);flex:none}
.opt.right .k{background:var(--ok);color:#fff}
.opt.wrong .k{background:var(--no);color:#fff}

/* gap fill */
.gap-s{font-size:19px;line-height:2.1;font-weight:500}
.gap-s .blank{
  display:inline-block;min-width:96px;border-bottom:2.5px solid var(--accent);
  text-align:center;font-weight:700;color:var(--accent-d);padding:0 8px;
}
.gap-s .blank.filled{border-bottom-color:var(--ok);color:var(--ok)}

/* word order */
.order-tray{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;min-height:52px;padding:12px;background:var(--paper-2);border-radius:var(--r-m);border:1px dashed var(--line-2)}
.order-line{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;min-height:52px;padding:12px;background:var(--card);border:1.5px solid var(--line);border-radius:var(--r-m)}
.word{background:var(--card);border:1.5px solid var(--line-2);border-radius:9px;padding:9px 15px;font-size:16px;font-weight:600;transition:all .13s var(--ease)}
.word:hover{border-color:var(--accent);color:var(--accent-d)}
.order-line .word{background:var(--accent-2);border-color:var(--accent)}
.order-line.right{border-color:var(--ok);background:var(--ok-2)}
.order-line.wrong{border-color:var(--no);background:var(--no-2)}

/* match */
.match{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.match-col{display:flex;flex-direction:column;gap:8px}
.mitem{background:var(--card);border:1.5px solid var(--line);border-radius:var(--r-m);padding:13px 16px;font-size:15.5px;font-weight:500;text-align:left;transition:all .14s var(--ease)}
.mitem:hover:not(:disabled){border-color:var(--accent)}
.mitem.sel{border-color:var(--accent);background:var(--accent-2)}
.mitem.done{border-color:var(--ok);background:var(--ok-2);color:#0F5D46;pointer-events:none}
.mitem:disabled{cursor:default}

/* verdict */
.verdict{border-radius:var(--r-m);padding:15px 18px;font-size:15px;line-height:1.6;margin:14px 0 0;animation:rise .3s var(--ease) both}
.verdict.ok{background:var(--ok-2);border:1px solid #B2DFD2;color:#0F5D46}
.verdict.no{background:var(--no-2);border:1px solid #F3C7CB;color:#9B2430}
.verdict.info{background:var(--blue-2);border:1px solid #C6D9E8;color:#234C6E}
.verdict strong{font-weight:800}

/* ---- microphone ---- */
.mic-stage{text-align:center;padding:8px 0 2px}
.target-w{font-family:var(--serif);font-size:clamp(38px,7.5vw,64px);line-height:1.08;letter-spacing:-.02em}
.target-i{font-size:17px;margin-top:7px}
.target-m{font-size:14.5px;color:var(--muted);margin-top:6px}
.mic-btn{
  width:88px;height:88px;border-radius:50%;background:var(--accent);
  display:grid;place-items:center;margin:26px auto 0;position:relative;
  box-shadow:0 8px 26px rgba(0,147,168,.32);transition:transform .16s var(--ease),background .2s;
}
.mic-btn:hover{transform:scale(1.05)}
.mic-btn svg{width:34px;height:34px;fill:#fff;position:relative;z-index:2}
.mic-btn.rec{background:var(--no);animation:recpulse 1.4s ease-in-out infinite}
.mic-btn.rec::after{content:'';position:absolute;inset:-8px;border-radius:50%;border:2px solid var(--no);animation:ring 1.4s var(--ease) infinite}
@keyframes recpulse{0%,100%{box-shadow:0 8px 26px rgba(206,48,64,.34)}50%{box-shadow:0 8px 44px rgba(206,48,64,.62)}}
@keyframes ring{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.4);opacity:0}}
.mic-hint{font-size:13.5px;color:var(--muted);margin-top:14px;min-height:20px;text-align:center}
.wave{display:flex;align-items:center;justify-content:center;gap:3px;height:40px;margin-top:16px;opacity:0;transition:opacity .22s}
.wave.on{opacity:1}
.wave i{width:3px;background:var(--accent);border-radius:3px;height:5px;transition:height .07s linear}
.attempts{display:flex;gap:6px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.att{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.att.ok{background:var(--ok)}.att.no{background:var(--no)}

/* ---- dialogue ---- */
.dlg{display:flex;flex-direction:column;gap:11px;margin:22px 0}
.line{display:flex;gap:12px;align-items:flex-start;max-width:88%}
.line.b{align-self:flex-end;flex-direction:row-reverse}
.line .av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;flex:none}
.line.a .av{background:var(--blue)}
.line.b .av{background:var(--accent)}
.bub{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:13px 17px;box-shadow:var(--sh)}
.line.b .bub{background:var(--accent-2);border-color:#BFE8EE}
.bub .en{font-size:16.5px;font-weight:600;line-height:1.45}
.bub .pt{font-size:13px;color:var(--muted);margin-top:4px}
.bub .row{margin-top:9px}

.roleplay{background:var(--card);border:1px dashed var(--line-2);border-radius:var(--r-l);padding:22px 24px;margin-top:20px;box-shadow:var(--sh)}
.roleplay h4{font-size:16px;font-weight:700;margin-bottom:6px}
.roleplay p{font-size:14.5px;color:var(--muted);margin-bottom:14px}

/* ---- results ---- */
.done-hero{text-align:center;padding:14px 0}
.done-hero .big{font-family:var(--serif);font-size:clamp(48px,10vw,86px);line-height:1;color:var(--ok)}
.gate{background:var(--card);border:1px dashed var(--line-2);border-radius:var(--r-l);padding:30px 28px;text-align:center;box-shadow:var(--sh)}
.gate h3{font-family:var(--serif);font-size:23px;font-weight:400;margin-bottom:9px}
.gate p{color:var(--muted);font-size:15px;margin-bottom:18px}

/* ---- footer nav ---- */
.pnav{position:fixed;bottom:0;left:0;right:0;z-index:50;background:rgba(242,244,246,.95);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.pnav-in{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 24px;max-width:var(--wrap);margin:0 auto}
.counter{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.03em}

/* ---- login ---- */
.login-ov{position:fixed;inset:0;z-index:200;background:var(--paper);display:grid;place-items:center;padding:24px}
.login-card{max-width:400px;width:100%;text-align:center;animation:rise .5s var(--ease) both}
.login-card .logo{justify-content:center;font-size:34px;margin-bottom:10px}
.login-card p{color:var(--muted);font-size:15px;margin-bottom:24px}
.fld{width:100%;background:var(--card);border:1.5px solid var(--line);border-radius:100px;padding:14px 22px;font-size:15.5px;color:var(--ink);margin-bottom:10px;text-align:center}
.fld:focus{outline:none;border-color:var(--accent)}
.fld::placeholder{color:#ADA69A}

.disclose{font-size:12.5px;color:var(--muted);line-height:1.6;border-left:2px solid var(--line-2);padding-left:14px;margin-top:24px}
.foot{border-top:1px solid var(--line);padding:38px 0;text-align:center;font-size:13px;color:var(--muted)}

@media(max-width:820px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:120px 0 60px}
  .hero-shot img{aspect-ratio:16/10}
}
@media(max-width:620px){
  .opts.two,.match{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .stage{padding:32px 18px 120px}
  .lrow{grid-template-columns:34px 1fr;gap:12px}
  .lrow .pill{grid-column:2;justify-self:start;margin-top:6px}
  .pbar .ti{display:none}
  .line{max-width:96%}
}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* ==========================================================================
   CONVERSA AO VIVO · the live call
   The one screen that has to feel like a product, not a lesson. Dark, focused,
   everything else off the table while the call is running.
   ========================================================================== */
.call{position:fixed;inset:0;background:#0B1013;color:#E8EEF0;display:flex;flex-direction:column;z-index:100}
.call-top{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid #1E2B31;flex:none}
.call-top .who{font-weight:700;font-size:15px}
.call-top .where{font-size:12.5px;color:#849099}
.call-top .live{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#5FC9A8}
.call-top .live i{width:7px;height:7px;border-radius:50%;background:#5FC9A8;animation:blink 1.8s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

.call-body{flex:1;display:grid;grid-template-columns:1fr 380px;gap:0;min-height:0}
@media(max-width:900px){.call-body{grid-template-columns:1fr;grid-template-rows:1fr auto}}

/* the partner "video" */
.stagev{position:relative;display:flex;align-items:center;justify-content:center;padding:26px;min-height:0;overflow:hidden}
.vwrap{position:relative;width:100%;max-width:560px;aspect-ratio:1;border-radius:22px;overflow:hidden;background:#141C20;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.vwrap img{width:100%;height:100%;object-fit:cover;display:block}
.vwrap::after{content:'';position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);border-radius:22px;pointer-events:none}
.vwrap.speaking{box-shadow:0 20px 60px rgba(0,0,0,.5),0 0 0 3px #5FC9A8}
.vlabel{position:absolute;left:14px;top:14px;background:rgba(0,0,0,.6);backdrop-filter:blur(8px);border-radius:8px;padding:6px 11px;font-size:12.5px;font-weight:600}

/* the student's own tile */
.selfv{position:absolute;right:14px;top:14px;width:118px;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:#192429;border:1px solid #2A363C;display:grid;place-items:center}
.selfv video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.selfv .ph{font-size:11px;color:#74828A;text-align:center;padding:0 8px;line-height:1.4}
.selfv.talking{border-color:#0093A8;box-shadow:0 0 0 2px rgba(0,147,168,.45)}

/* live subtitles */
.subs{position:absolute;left:0;right:0;bottom:0;padding:20px 26px 22px;
  background:linear-gradient(transparent,rgba(10,9,7,.92) 45%);pointer-events:none}
.subline{max-width:620px;margin:0 auto;text-align:center;font-size:19px;line-height:1.5;font-weight:600;
  text-shadow:0 2px 12px rgba(0,0,0,.7);min-height:29px;transition:opacity .2s}
.subline.me{color:#A8E5EE;font-size:17px;font-weight:500;font-style:italic}
.subline.muted{opacity:.35}

/* transcript rail */
.rail{border-left:1px solid #1E2B31;display:flex;flex-direction:column;min-height:0;background:#101619}
.rail h4{font-size:10.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:#74828A;padding:16px 18px 10px;flex:none}
.feed{flex:1;overflow-y:auto;padding:0 18px 16px;display:flex;flex-direction:column;gap:11px}
.turn{max-width:100%}
.turn .n{font-size:10px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#7E7568;margin-bottom:3px}
.turn .t{font-size:14.5px;line-height:1.5}
.turn.partner .t{color:#DDE5E8}
.turn.me .t{color:#92DCE8}
.fix{background:rgba(176,140,30,.1);border-left:2px solid #B08C1E;border-radius:0 8px 8px 0;
  padding:8px 11px;margin-top:6px;font-size:12.5px;line-height:1.5;color:#E3CE9C}
.fix b{color:#EFDCA8}

/* controls */
.call-bot{flex:none;padding:16px 20px 20px;border-top:1px solid #1E2B31;display:flex;align-items:center;justify-content:center;gap:14px}
.cbtn{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;transition:transform .15s var(--ease),background .18s}
.cbtn svg{width:24px;height:24px;fill:#fff}
.cbtn:hover{transform:scale(1.06)}
.cbtn.hang{background:#D63B24}
.cbtn.mic{background:#2E2921;border:1px solid #3E3830}
.cbtn.mic.on{background:#00707F;border-color:#00707F}
.cstate{font-size:13px;color:#849099;min-width:200px;text-align:center;font-weight:600}

/* topic + pre-call */
.precall{max-width:520px;margin:0 auto;text-align:center;padding:30px 24px}
.precall .avatar{width:132px;height:132px;border-radius:50%;overflow:hidden;margin:0 auto 18px;box-shadow:0 14px 40px rgba(0,0,0,.5)}
.precall .avatar img{width:100%;height:100%;object-fit:cover}
.precall h2{font-family:var(--serif);font-weight:300;font-size:34px;margin-bottom:6px}
.precall .sub{color:#849099;font-size:15px;margin-bottom:22px}
.topics{display:flex;flex-direction:column;gap:9px;margin-bottom:24px;text-align:left}
.topic{background:#211D18;border:1.5px solid #322C25;border-radius:14px;padding:14px 17px;transition:all .15s var(--ease)}
.topic:hover{border-color:#0093A8;background:#172126}
.topic.on{border-color:#0093A8;background:rgba(0,147,168,.14)}
.topic .tt{font-size:15.5px;font-weight:700;color:#E8EEF0}
.topic .td{font-size:13px;color:#849099;margin-top:2px}

/* unlock gate on the course page */
.unlock{background:linear-gradient(135deg,#121A1E,#172126);color:#E8EEF0;border-radius:var(--r-xl);
  padding:32px 34px;margin-top:34px;position:relative;overflow:hidden}
.unlock .tag{font-size:10.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#0093A8}
.unlock h3{font-family:var(--serif);font-weight:300;font-size:clamp(25px,3.4vw,36px);margin:10px 0 12px;line-height:1.12}
.unlock p{color:#A3B0B6;font-size:15.5px;line-height:1.62;max-width:560px;margin-bottom:20px}
.unlock .row{display:flex;gap:11px;flex-wrap:wrap;align-items:center}
.unlock .lvl{font-size:12.5px;color:#74828A;display:flex;align-items:center;gap:7px}

/* ==========================================================================
   CONVERSA showcase on the landing page
   The dark moment in a light page. It previews the call, so it should feel
   like the call.
   ========================================================================== */
.showcase{background:#0B1013;color:#E8EEF0;padding:92px 0}
.sc-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:900px){.sc-grid{grid-template-columns:1fr;gap:38px}}
.showcase .eyebrow{color:#2ECEE0}
.showcase h2{font-family:var(--serif);font-weight:300;font-size:clamp(31px,4.4vw,52px);line-height:1.08;letter-spacing:-.02em;margin:13px 0 18px}
.showcase h2 em{font-style:italic;color:#2ECEE0}
.showcase .lede{color:#A3B0B6;font-size:17px}
.sc-badge{display:inline-flex;align-items:center;gap:9px;background:rgba(111,207,151,.13);
  border:1px solid rgba(111,207,151,.36);color:#6DD0AE;border-radius:100px;
  padding:8px 16px;font-size:12.5px;font-weight:700;margin-bottom:20px}
.sc-badge i{width:7px;height:7px;border-radius:50%;background:#5FC9A8;animation:blink 1.8s ease-in-out infinite}
.sc-pillars{display:flex;flex-direction:column;gap:15px;margin:26px 0 30px}
.sc-p{display:flex;gap:13px;align-items:flex-start}
.sc-p .k{width:27px;height:27px;border-radius:8px;background:rgba(46,206,224,.16);color:#2ECEE0;
  display:grid;place-items:center;font-size:13px;font-weight:800;flex:none;margin-top:1px}
.sc-p .b{font-size:15.5px;font-weight:700;color:#E8EEF0}
.sc-p .d{font-size:14px;color:#849099;line-height:1.55;margin-top:2px}

/* the preview frame */
.sc-frame{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 26px 70px rgba(0,0,0,.55);aspect-ratio:1}
.sc-frame img{width:100%;height:100%;object-fit:cover}
.sc-frame .tag{position:absolute;left:14px;top:14px;background:rgba(0,0,0,.62);backdrop-filter:blur(8px);
  border-radius:8px;padding:6px 12px;font-size:12.5px;font-weight:700}
.sc-frame .live2{position:absolute;right:14px;top:14px;display:flex;align-items:center;gap:6px;
  background:rgba(0,0,0,.62);backdrop-filter:blur(8px);border-radius:8px;padding:6px 12px;
  font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#6DD0AE}
.sc-frame .live2 i{width:6px;height:6px;border-radius:50%;background:#5FC9A8;animation:blink 1.8s ease-in-out infinite}
.sc-cap{position:absolute;left:0;right:0;bottom:0;padding:34px 22px 20px;
  background:linear-gradient(transparent,rgba(8,7,6,.94) 55%)}
.sc-cap .l1{font-size:17px;font-weight:600;line-height:1.42;text-shadow:0 2px 10px rgba(0,0,0,.6)}
.sc-cap .l2{font-size:14.5px;font-style:italic;color:#A8E5EE;margin-top:7px}
.sc-cap .fixp{margin-top:11px;background:rgba(176,140,30,.14);border-left:2px solid #B08C1E;
  border-radius:0 7px 7px 0;padding:7px 11px;font-size:12.5px;color:#E9D6A8;line-height:1.5}

/* nav pill for the new feature */
.nav-new{display:inline-flex;align-items:center;gap:7px;background:var(--ink);color:#fff;
  border-radius:100px;padding:9px 17px;font-size:13.5px;font-weight:700;text-decoration:none;
  transition:background .16s}
.nav-new:hover{background:#223036}
.nav-new .dotg{width:6px;height:6px;border-radius:50%;background:#5FC9A8;animation:blink 1.8s ease-in-out infinite}
@media(max-width:620px){.nav-new span.lbl{display:none}}

/* back link inside the call */
.callback{position:absolute;left:20px;top:18px;z-index:5;display:inline-flex;align-items:center;gap:7px;
  font-size:13.5px;color:var(--muted);text-decoration:none;transition:color .15s}
.callback:hover{color:var(--ink)}

/* ==========================================================================
   POST-CALL REPORT
   ========================================================================== */
.rep{max-width:760px;margin:0 auto;padding:34px 24px 70px}
.rep-head{display:flex;align-items:center;gap:26px;margin-bottom:30px;flex-wrap:wrap}
.ring2{position:relative;width:128px;height:128px;flex:none}
.ring2 svg{transform:rotate(-90deg);width:100%;height:100%}
.ring2 circle{fill:none;stroke-width:10;stroke-linecap:round}
.ring2 .bg{stroke:var(--line)}
.ring2 .fg{transition:stroke-dashoffset 1.1s var(--ease)}
.ring2 .lbl{position:absolute;inset:0;display:grid;place-items:center;flex-direction:column}
.ring2 .lbl .n{font-family:var(--serif);font-size:40px;line-height:1}
.ring2 .lbl .o{font-size:11px;color:var(--muted);font-weight:700;letter-spacing:.09em;margin-top:2px}
.rep-head .vd{flex:1;min-width:240px}
.rep-head .vd h2{font-family:var(--serif);font-weight:300;font-size:clamp(24px,3.4vw,34px);line-height:1.15;margin-bottom:8px}
.rep-head .vd p{font-size:15.5px;color:var(--ink-2);line-height:1.6}

.rep h3{font-size:11.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin:34px 0 14px}

.fixcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:20px 22px;margin-bottom:12px;box-shadow:var(--sh)}
.fixcard .kind{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 10px;border-radius:100px;margin-bottom:13px}
.kind-gramatica{background:var(--no-2);color:var(--no)}
.kind-vocabulario{background:var(--blue-2);color:var(--blue)}
.kind-naturalidade{background:var(--gold-2);color:var(--gold)}
.fixline{display:flex;align-items:flex-start;gap:11px;padding:11px 0}
.fixline + .fixline{border-top:1px dashed var(--line)}
.fixline .tagx{font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);min-width:74px;padding-top:4px;flex:none}
.fixline .txt{flex:1;font-size:16.5px;line-height:1.5}
.fixline.said .txt{color:var(--no);text-decoration:line-through;text-decoration-color:rgba(206,48,64,.35)}
.fixline.better .txt{color:var(--ok);font-weight:650}
.fixcard .why{font-size:14px;color:var(--ink-2);line-height:1.55;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.fixcard .why b{color:var(--ink)}

.pbtn{display:inline-flex;align-items:center;gap:7px;background:var(--paper-2);border:1px solid var(--line);
  border-radius:100px;padding:7px 14px;font-size:12.5px;font-weight:700;white-space:nowrap;
  transition:all .15s var(--ease);flex:none}
.pbtn:hover{border-color:var(--accent);background:var(--accent-2);color:var(--accent-d)}
.pbtn.on{border-color:var(--accent);background:var(--accent-2);color:var(--accent-d)}
.pbtn svg{width:14px;height:14px;fill:currentColor}
.pbtn.ghosted{opacity:.4;pointer-events:none}

.strengths{background:var(--ok-2);border:1px solid #B2DFD2;border-radius:var(--r-l);padding:20px 24px}
.strengths ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.strengths li{display:flex;gap:10px;font-size:15px;color:#0F5D46;line-height:1.5}
.strengths li::before{content:'✓';font-weight:800;flex:none}

.pron{display:flex;flex-direction:column;gap:9px}
.pword{background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);padding:14px 18px;
  display:flex;align-items:center;gap:14px;box-shadow:var(--sh)}
.pword .w{font-size:18px;font-weight:700;min-width:112px}
.pword .t{flex:1;font-size:14px;color:var(--ink-2);line-height:1.5}

.rep-empty{background:var(--ok-2);border:1px solid #B2DFD2;border-radius:var(--r-l);padding:22px 24px;
  font-size:15.5px;color:#0F5D46;line-height:1.6}
.rep-load{text-align:center;padding:60px 20px;color:var(--muted);font-size:15px}
.rep-load .sp{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);
  border-radius:50%;margin:0 auto 16px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ==========================================================================
   MOTION
   Landing page only. Everything here is transform + opacity so it stays on the
   GPU, every hover is gated to real pointers, and reduced-motion keeps the
   fades but drops the movement.
   ========================================================================== */

:root{
  /* Sanctioned curves. The existing --ease is left alone so nothing already
     shipped changes behaviour; new motion uses these. */
  --ease-out:cubic-bezier(0.23,1,0.32,1);
  --ease-in-out:cubic-bezier(0.77,0,0.175,1);
}

/* ---------- hero entrance, on load ---------- */
@keyframes riseIn{
  from{opacity:0;transform:translate3d(0,18px,0)}
  to  {opacity:1;transform:none}
}
@keyframes settleIn{
  from{opacity:0;transform:translate3d(0,26px,0) scale(.985)}
  to  {opacity:1;transform:none}
}
.hero .eyebrow,
.hero h1,
.hero .lede,
.hero .tryit,
.hero .hero-cta,
.hero .hero-note{
  animation:riseIn 640ms var(--ease-out) both;
}
.hero .eyebrow  {animation-delay:40ms}
.hero h1        {animation-delay:100ms}
.hero .lede     {animation-delay:180ms}
.hero .tryit    {animation-delay:260ms}
.hero .hero-cta {animation-delay:340ms}
.hero .hero-note{animation-delay:410ms}
.hero-shot{animation:settleIn 820ms var(--ease-out) 140ms both}

/* ---------- scroll reveal, fires once ---------- */
.reveal{opacity:0;transform:translate3d(0,22px,0)}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity 620ms var(--ease-out),transform 620ms var(--ease-out);
  transition-delay:calc(var(--i,0) * 70ms);
}

/* ---------- the speaking waveform ---------- */
/* Constant motion, so linear. CSS animation keeps it off the main thread while
   the page is still fetching audio and images. */
.wavebars{display:inline-flex;align-items:flex-end;gap:2.5px;height:13px;margin-left:9px;vertical-align:-1px}
.wavebars i{width:2.5px;border-radius:2px;background:var(--accent);opacity:.75;
  animation:barPulse 1.15s linear infinite}
.wavebars i:nth-child(1){height:5px;animation-delay:0ms}
.wavebars i:nth-child(2){height:11px;animation-delay:130ms}
.wavebars i:nth-child(3){height:7px;animation-delay:260ms}
.wavebars i:nth-child(4){height:13px;animation-delay:80ms}
.wavebars i:nth-child(5){height:6px;animation-delay:200ms}
@keyframes barPulse{
  0%,100%{transform:scaleY(.4)}
  50%    {transform:scaleY(1)}
}

/* ---------- hover, real pointers only ---------- */
@media (hover:hover) and (pointer:fine){
  .btn-primary,.btn-ghost,.btn-dark{
    transition:transform 140ms var(--ease-out),background 140ms ease,
               box-shadow 140ms var(--ease-out),border-color 140ms ease;
  }
  .btn-primary:hover{transform:translate3d(0,-2px,0)}
  .btn-ghost:hover,.btn-dark:hover{transform:translate3d(0,-1px,0)}

  /* the arrow on the primary call to action leans forward */
  .btn .arw{display:inline-block;transition:transform 160ms var(--ease-out)}
  .btn:hover .arw{transform:translate3d(3px,0,0)}

  .chip-say{transition:transform 140ms var(--ease-out),border-color 140ms ease,
                       background 140ms ease,color 140ms ease}
  .chip-say:hover{transform:translate3d(0,-2px,0)}

  .card{transition:transform 180ms var(--ease-out),box-shadow 180ms var(--ease-out)}
  .card:hover{transform:translate3d(0,-4px,0)}
  .card .n{transition:transform 180ms var(--ease-out)}
  .card:hover .n{transform:translate3d(0,-2px,0)}

  .lrow{transition:transform 160ms var(--ease-out),border-color 160ms ease,
                   box-shadow 160ms var(--ease-out)}
  .lrow:hover{transform:translate3d(4px,0,0)}

  .hero-shot img{transition:transform 700ms var(--ease-out)}
  .hero-shot:hover img{transform:scale(1.025)}

  .nav-new{transition:transform 140ms var(--ease-out),background 140ms ease}
  .nav-new:hover{transform:translate3d(0,-1px,0)}

  .sc-frame img{transition:transform 900ms var(--ease-out)}
  .sc-frame:hover img{transform:scale(1.03)}
}

/* ---------- reduced motion: keep the fade, drop the travel ---------- */
@media (prefers-reduced-motion:reduce){
  .hero .eyebrow,.hero h1,.hero .lede,.hero .tryit,
  .hero .hero-cta,.hero .hero-note,.hero-shot{
    animation:none;opacity:1;transform:none;
  }
  .reveal{opacity:0;transform:none}
  .reveal.in{opacity:1;transition:opacity 300ms ease;transition-delay:0ms}
  .wavebars i{animation:none;transform:scaleY(.7)}
  .btn-primary:hover,.btn-ghost:hover,.btn-dark:hover,.chip-say:hover,
  .card:hover,.lrow:hover,.nav-new:hover{transform:none}
  .hero-shot:hover img,.sc-frame:hover img{transform:none}
}

/* ==========================================================================
   VOCABULARY MARQUEE
   Constant motion, so linear easing and a CSS animation: it keeps its pace
   even while the page is still fetching images and audio. The track holds two
   identical sets and travels exactly -50%, so the loop point is invisible.
   ========================================================================== */
.mq{
  position:relative;overflow:hidden;
  background:var(--paper-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 0;
}
/* Feathered edges so words do not hard-cut against the page. */
.mq::before,.mq::after{
  content:'';position:absolute;top:0;bottom:0;width:140px;z-index:2;pointer-events:none;
}
.mq::before{left:0;background:linear-gradient(90deg,var(--paper-2) 12%,rgba(231,235,238,0))}
.mq::after{right:0;background:linear-gradient(270deg,var(--paper-2) 12%,rgba(231,235,238,0))}

.mq-track{display:flex;width:max-content;animation:mqScroll 130s linear infinite}
.mq-set{display:flex;align-items:center;flex:none}
.mq-i{display:inline-flex;align-items:baseline;gap:9px;white-space:nowrap}
.mq-i b{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.mq-i em{font-style:normal;font-size:15px;color:var(--muted)}
.mq-sep{
  width:5px;height:5px;border-radius:50%;background:var(--accent);
  opacity:.5;margin:0 24px;flex:none;position:relative;top:-1px;
}
@keyframes mqScroll{
  from{transform:translate3d(0,0,0)}
  to  {transform:translate3d(-50%,0,0)}
}

/* Pausing on hover is a reading affordance, not an interaction. */
@media (hover:hover) and (pointer:fine){
  .mq:hover .mq-track{animation-play-state:paused}
}

/* A permanently moving band is exactly what reduced motion is for. */
@media (prefers-reduced-motion:reduce){
  .mq-track{animation:none;transform:none}
  .mq{overflow-x:auto}
}

@media(max-width:620px){
  .mq{padding:15px 0}
  .mq-i b{font-size:15.5px}
  .mq-i em{font-size:13.5px}
  .mq-sep{margin:0 17px}
  .mq::before,.mq::after{width:60px}
}

/* ==========================================================================
   MOBILE
   Everything below 640px. Aims: nothing under a 44px tap target, no wasted
   vertical space above the fold, and no ragged half-width buttons.
   ========================================================================== */
@media(max-width:640px){

  /* ---- nav: two big targets, nothing else ---- */
  .nav{padding:11px 16px}
  .nav .counter{display:none}          /* the name ate the width that the CTA needs */
  .nav .btn-ghost{display:none}        /* "O curso" is one scroll away anyway */
  .nav-new{padding:12px 17px;min-height:44px;font-size:14px}
  .nav-new span.lbl{display:inline}    /* a lone dot is not a tappable control */
  .logo{font-size:21px}

  /* ---- hero: start higher, breathe less ---- */
  .hero{padding:96px 0 52px}
  .hero-grid{gap:30px}
  .hero h1{margin:12px 0 16px}
  .hero .lede{font-size:16.5px;line-height:1.6}
  .hero-shot img{aspect-ratio:5/4}     /* a 4:5 portrait pushed everything down */
  .hero-note{margin-top:14px}

  /* full-width stacked buttons instead of two ragged pills */
  .hero-cta{flex-direction:column;align-items:stretch;gap:10px;margin-top:24px}
  .hero-cta .btn{width:100%}
  .btn-lg{padding:16px 26px;font-size:16px}

  /* ---- try-it strip ---- */
  .tryit{padding:18px 18px;margin-top:26px}
  .tryit .lb{font-size:10.5px;letter-spacing:.1em;display:flex;align-items:center;
             gap:8px;flex-wrap:nowrap;margin-bottom:12px}
  .tryit .lb-x{display:none}           /* keeps the waveform on the same line */
  .chip-say{padding:12px 18px;min-height:44px;font-size:15px}

  /* ---- sections ---- */
  .sec{padding:56px 0}
  .sec-head{margin-bottom:28px}
  .wrap,.wrap-n{padding:0 20px}
  .card{padding:24px 22px}
  .grid-3{gap:14px}

  /* ---- course rows: room for the badge, still one tap ---- */
  .lrow{padding:15px 17px;min-height:64px}
  .lrow .ti{font-size:15.5px}
  .lrow .sub{font-size:13px}

  /* ---- conversa showcase ---- */
  .showcase{padding:56px 0}
  .sc-pillars{gap:13px;margin:22px 0 26px}
  .sc-frame{border-radius:18px}
  .showcase .row .btn,.showcase a.btn{width:100%}
  .sc-cap{padding:26px 16px 16px}
  .sc-cap .l1{font-size:15.5px}
  .sc-cap .l2{font-size:13.5px}
  .sc-cap .fixp{font-size:11.5px}

  /* ---- the live call ---- */
  .call-top{padding:11px 16px}
  .call-top .who{font-size:14px}
  .stagev{padding:14px}
  .vwrap{border-radius:16px}
  .selfv{width:88px;right:10px;top:10px}
  .subs{padding:26px 14px 14px}
  .subline{font-size:16px}
  .subline.me{font-size:14.5px}
  .rail{max-height:38vh}
  .cbtn{width:60px;height:60px}        /* thumbs, not cursors */
  .cstate{min-width:0;font-size:12.5px}
  .call-bot{padding:12px 16px 16px;gap:12px}

  /* ---- report ---- */
  .rep{padding:26px 20px 56px}
  .rep-head{gap:18px}
  .ring2{width:104px;height:104px}
  .ring2 .lbl .n{font-size:33px}
  .fixcard{padding:17px 18px}
  .fixline{flex-wrap:wrap;gap:8px}
  .fixline .tagx{min-width:0;width:100%;padding-top:0}
  .fixline .txt{font-size:15.5px;flex:1 1 100%}
  .pbtn{padding:9px 15px;min-height:40px}
  .pword{flex-wrap:wrap}
  .pword .w{min-width:0}
  .pword .t{flex:1 1 100%;font-size:13.5px}

  /* ---- login ---- */
  .fld{padding:15px 20px;min-height:48px}
}

/* Very small phones. */
@media(max-width:380px){
  .nav-new span.lbl{display:none}      /* below this the label genuinely cannot fit */
  .nav-new{min-width:44px;justify-content:center}
  .hero .lede{font-size:16px}
  .chip-say{font-size:14px;padding:11px 15px}
}

/* The mic waiting to be tapped: unmistakably live and inviting, so nobody
   reads it as muted. */
.cbtn.mic.ready{
  background:var(--accent-d);border-color:var(--accent-d);
  box-shadow:0 0 0 0 rgba(0,147,168,.55);
  animation:micReady 1.9s var(--ease-out) infinite;
}
.cbtn.mic.ready svg{fill:#fff}
@keyframes micReady{
  0%  {box-shadow:0 0 0 0 rgba(0,147,168,.5)}
  70% {box-shadow:0 0 0 15px rgba(0,147,168,0)}
  100%{box-shadow:0 0 0 0 rgba(0,147,168,0)}
}
@media (prefers-reduced-motion:reduce){ .cbtn.mic.ready{animation:none} }

/* ==========================================================================
   AULA V2, cinematic lesson experience
   ========================================================================== */
.player{
  background:
    radial-gradient(circle at 78% 20%,rgba(46,206,224,.23),transparent 32%),
    radial-gradient(circle at 18% 82%,rgba(255,90,60,.18),transparent 34%),
    linear-gradient(135deg,#071013 0%,#0E1A1F 48%,#081216 100%);
  color:#EAF4F6;
}
.player .pbar{
  background:rgba(7,16,19,.78);
  border-bottom:1px solid rgba(234,244,246,.12);
  color:#EAF4F6;
}
.player .pbar .back,.player .pbar .ti span,.player .counter{color:#94A8AE}
.player .pbar .back:hover{color:#fff}
.player .beats{max-width:1280px}.player .bdot{background:rgba(234,244,246,.13)}
.player .bdot i{background:linear-gradient(90deg,#2ECEE0,#FF5A3C)}
.player .stage{padding:clamp(28px,4vw,54px) 28px 132px;align-items:center;min-height:calc(100svh - 82px)}
.player .beat{
  max-width:1180px;
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(320px,.78fr);
  gap:clamp(24px,4vw,58px);
  align-items:center;
  position:relative;
}
.player .beat::after{
  content:'';
  grid-column:2;
  grid-row:1 / span 7;
  align-self:stretch;
  min-height:560px;
  border-radius:38px;
  border:1px solid rgba(234,244,246,.14);
  box-shadow:0 34px 110px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.12);
  background:
    radial-gradient(circle at 28% 22%,rgba(255,255,255,.70),transparent 5%),
    radial-gradient(circle at 72% 18%,rgba(46,206,224,.55),transparent 19%),
    radial-gradient(circle at 22% 72%,rgba(255,90,60,.50),transparent 20%),
    linear-gradient(135deg,#10262D 0%,#071013 58%,#18313A 100%);
  z-index:0;
}
.player .beat::before{
  content:'M02 scene · kitchen fridge · voice practice';
  grid-column:2;
  grid-row:1 / span 7;
  z-index:1;
  align-self:end;
  margin:0 28px 28px;
  min-height:150px;
  border-radius:28px;
  padding:24px;
  display:flex;
  align-items:flex-end;
  color:#EAF4F6;
  font-size:12px;
  font-weight:900;
  letter-spacing:.15em;
  text-transform:uppercase;
  background:
    linear-gradient(180deg,transparent,rgba(0,0,0,.58)),
    linear-gradient(135deg,rgba(46,206,224,.18),rgba(255,90,60,.16));
  border:1px solid rgba(234,244,246,.12);
}
.player .beat > *{position:relative;z-index:2;grid-column:1}.player .beat-k{margin-bottom:8px}.player .beat-k .n{background:#2ECEE0;color:#051216;box-shadow:0 0 28px rgba(46,206,224,.36)}.player .beat-k .l{color:#2ECEE0}.player .beat h2{color:#fff;font-size:clamp(48px,6.2vw,82px);line-height:.92;letter-spacing:-.055em;margin-bottom:20px;text-wrap:balance}.player .beat p{color:#B8C8CD;font-size:clamp(17px,1.6vw,20px);line-height:1.62;max-width:680px}.player .beat p strong{color:#fff}.player .cando,.player .qcard,.player .vcard,.player .gtable,.player .ex,.player .dlg .bub,.player .roleplay,.player .done-hero{
  background:rgba(234,244,246,.075);
  border:1px solid rgba(234,244,246,.14);
  color:#EAF4F6;
  box-shadow:0 24px 80px rgba(0,0,0,.26), inset 0 1px 0 rgba(255,255,255,.06);
  backdrop-filter:blur(16px);
}
.player .cando{border-radius:30px;padding:24px 28px}.player .cando .h,.player .qhint,.player .vcard .pt,.player .ex .pt,.player .dlg .pt{color:#91A6AC}.player .cando li{color:#EAF4F6}.player .cando li::before{color:#9CF56F}.player .btn-primary{background:#FF5A3C;box-shadow:0 18px 60px rgba(255,90,60,.34);font-size:17px;padding:18px 38px}.player .btn-primary:hover{background:#FF6B50}.player .btn-ghost{border-color:rgba(234,244,246,.22);color:#EAF4F6;background:rgba(234,244,246,.06)}.player .pnav{background:rgba(7,16,19,.82);border-top:1px solid rgba(234,244,246,.12);backdrop-filter:blur(18px)}.player .pnav-in{max-width:1280px}.player .rule{background:rgba(255,245,214,.10);border-color:rgba(255,220,130,.22);color:#FFE7A6}.player .rule strong{color:#fff}.player .vgrid{grid-column:1 / -1;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.player .vcard .en,.player .qprompt,.player .target-w,.player .ex .en{color:#fff}.player .vcard .tip{background:rgba(46,206,224,.13);color:#9DEFF8}.player .gtable th{background:rgba(234,244,246,.09);color:#AFC0C6}.player .gtable td{border-top-color:rgba(234,244,246,.12);color:#EAF4F6}.player .gtable td:first-child{color:#AFC0C6}.player .qcard{border-radius:30px}.player .opt{background:rgba(234,244,246,.08);border-color:rgba(234,244,246,.16);color:#EAF4F6}.player .opt:hover:not(:disabled){background:rgba(46,206,224,.14);border-color:rgba(46,206,224,.45)}.player .play{background:rgba(234,244,246,.09);border-color:rgba(234,244,246,.16);color:#EAF4F6}.player .play:hover{background:rgba(46,206,224,.14);border-color:rgba(46,206,224,.45);color:#fff}.player .mic-btn{box-shadow:0 20px 70px rgba(0,147,168,.36)}
.player #stage[data-kind='vocab'] .beat::before{content:'Tap words · hear native audio · build sound memory'}
.player #stage[data-kind='grammar'] .beat::before{content:'Rule in Portuguese · examples in English · no guessing'}
.player #stage[data-kind='listen'] .beat::before{content:'Listen first · choose meaning · train the ear'}
.player #stage[data-kind='practice'] .beat::before{content:'Make the structure automatic before speaking'}
.player #stage[data-kind='speak'] .beat::before{content:'Reference audio · your voice · side by side'}
.player #stage[data-kind='dialogue'] .beat::before{content:'Real scene · kitchen dialogue · roleplay'}
.player #stage[data-kind='quiz'] .beat::before{content:'Close the loop · save progress · next scene'}
.player #stage[data-kind='listen'] .beat,.player #stage[data-kind='practice'] .beat,.player #stage[data-kind='speak'] .beat,.player #stage[data-kind='quiz'] .beat{grid-template-columns:minmax(0,1fr) 360px}.player #stage[data-kind='listen'] .qcard,.player #stage[data-kind='practice'] .qcard,.player #stage[data-kind='speak'] .qcard,.player #stage[data-kind='quiz'] .qcard{max-width:720px}.player #stage[data-kind='vocab'] .beat::after,.player #stage[data-kind='grammar'] .beat::after{min-height:420px}.player #stage[data-kind='vocab'] .beat::before,.player #stage[data-kind='grammar'] .beat::before{min-height:120px}
@media(max-width:980px){
  .player .stage{padding:26px 18px 118px;align-items:flex-start}.player .beat{display:block;max-width:760px}.player .beat::after,.player .beat::before{display:none}.player .beat h2{font-size:clamp(42px,11vw,64px)}.player .beat p{font-size:17px}.player .cando,.player .qcard{border-radius:24px}.player .pbar .ti{display:none}
}

/* ==========================================================================
   AULA V3, mission world layer
   Turns the lesson into a hotel mystery scene with people, objects and map.
   ========================================================================== */
.player .mission-world{
  grid-column:2!important;
  grid-row:1 / span 12;
  align-self:stretch;
  position:relative!important;
  z-index:4!important;
  min-height:620px;
  border:1px solid rgba(234,244,246,.16);
  border-radius:38px;
  padding:22px;
  background:
    radial-gradient(circle at 20% 0,rgba(46,206,224,.18),transparent 30%),
    linear-gradient(180deg,rgba(234,244,246,.09),rgba(234,244,246,.035));
  box-shadow:0 34px 110px rgba(0,0,0,.40), inset 0 1px 0 rgba(255,255,255,.09);
  backdrop-filter:blur(18px);
  overflow:hidden;
}
.player .mission-world::before{
  content:'';
  position:absolute;inset:-30% -15% auto auto;width:320px;height:320px;border-radius:50%;
  background:conic-gradient(from 140deg,rgba(46,206,224,.58),transparent,rgba(255,90,60,.5),transparent);
  filter:blur(4px);opacity:.42;animation:spin 22s linear infinite;
}
.player .case-top{position:relative;z-index:2;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:16px}
.player .case-tag{display:block;color:#2ECEE0;font-size:10.5px;font-weight:950;letter-spacing:.16em;text-transform:uppercase;margin-bottom:8px}
.player .case-top h3{font-family:var(--serif);font-weight:300;color:#fff;font-size:clamp(24px,2.7vw,36px);line-height:1.02;letter-spacing:-.04em;margin:0;max-width:360px}
.player .case-live{flex:none;border:1px solid rgba(46,206,224,.35);background:rgba(46,206,224,.12);color:#A8F4FF;border-radius:999px;padding:7px 10px;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.player .scene-card{position:relative;z-index:2;border:1px solid rgba(234,244,246,.14);border-radius:30px;overflow:hidden;background:#081216;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);margin-bottom:17px}
.player .scene-room{position:relative;min-height:318px;background:linear-gradient(180deg,#142C34 0%,#0B171C 58%,#071013 100%);overflow:hidden}
.player .scene-room::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(234,244,246,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(234,244,246,.045) 1px,transparent 1px);background-size:34px 34px;opacity:.55;mask-image:linear-gradient(#000,transparent 94%)}
.player .scene-window{position:absolute;left:28px;top:28px;width:118px;height:82px;border-radius:22px;background:linear-gradient(135deg,#DDF7FB,#409CAE);box-shadow:0 0 60px rgba(46,206,224,.25)}
.player .scene-window i{position:absolute;inset:12px;border:1px solid rgba(7,16,19,.22);border-radius:14px}
.player .scene-fridge{position:absolute;right:34px;top:44px;width:106px;height:184px;border-radius:22px;background:linear-gradient(180deg,#EDF7F6,#AEBEC2);box-shadow:0 24px 60px rgba(0,0,0,.32)}
.player .scene-fridge b{position:absolute;left:0;right:0;top:54%;height:1px;background:rgba(7,16,19,.20)}
.player .scene-fridge i{position:absolute;left:14px;top:22px;width:5px;height:54px;border-radius:5px;background:#34464D}
.player .scene-counter{position:absolute;left:30px;right:28px;bottom:58px;height:44px;border-radius:18px;background:linear-gradient(180deg,#6B4B39,#2A1B15);box-shadow:0 16px 40px rgba(0,0,0,.28)}
.player .scene-floor{position:absolute;left:-20%;right:-20%;bottom:-70px;height:150px;border-radius:50% 50% 0 0;background:radial-gradient(ellipse at center,rgba(255,90,60,.22),transparent 62%)}
.player .person{position:absolute;bottom:78px;width:86px;min-height:126px;display:grid;justify-items:center;align-content:end;text-align:center;color:#EAF4F6}
.player .person::before{content:'';width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#F2D2B8,#9B5D42);box-shadow:0 10px 30px rgba(0,0,0,.32)}
.player .person::after{content:'';width:76px;height:62px;border-radius:28px 28px 16px 16px;background:linear-gradient(135deg,#2ECEE0,#075B68);margin-top:-8px;box-shadow:0 18px 46px rgba(0,0,0,.34)}
.player .person span{position:absolute;top:18px;font-weight:950;color:#071013;z-index:2}.player .person b{position:relative;z-index:3;font-size:13px;margin-top:7px}.player .person small{position:relative;z-index:3;color:#AFC3C9;font-size:11px;margin-top:1px}
.player .person-a{left:96px}.player .person-b{right:146px}.player .person-b::after{background:linear-gradient(135deg,#FF5A3C,#743126)}
.player .scene-objects{position:absolute;inset:0;pointer-events:none}.player .scene-obj{position:absolute;display:grid;place-items:center;min-width:48px;height:34px;padding:0 10px;border-radius:999px;background:rgba(234,244,246,.12);border:1px solid rgba(234,244,246,.20);color:#fff;font-size:11px;font-weight:900;letter-spacing:.02em;box-shadow:0 12px 32px rgba(0,0,0,.28);backdrop-filter:blur(8px)}
.player .obj-milk{right:62px;top:72px}.player .obj-bread{left:66px;bottom:96px}.player .obj-dishes{left:184px;bottom:112px}.player .obj-key{right:48px;bottom:76px}.player .obj-fridge{right:44px;top:174px}.player .obj-one{left:40px;top:130px}.player .obj-many{left:98px;top:154px}.player .obj-phone,.player .obj-headset{left:190px;top:42px}.player .obj-dryer,.player .obj-towels{right:154px;top:118px}.player .obj-door1{left:38px;bottom:142px}.player .obj-door2{right:38px;bottom:142px}.player .obj-mic,.player .obj-wave{left:50%;top:58%;transform:translate(-50%,-50%)}.player .obj-eggs,.player .obj-coffee{right:178px;bottom:94px}.player .obj-map,.player .obj-report{left:212px;top:88px}
.player .mission-world p{position:relative;z-index:2;color:#B8C8CD;font-size:14.5px;line-height:1.5;margin:0 0 12px;max-width:none}
.player .case-focus{position:relative;z-index:2;border:1px solid rgba(156,245,111,.24);background:rgba(156,245,111,.09);color:#DDFCCE;border-radius:18px;padding:13px 15px;font-size:13px;line-height:1.42;font-weight:750;margin-bottom:15px}
.player .scene-clues{display:grid;grid-template-columns:repeat(auto-fit,minmax(116px,1fr));gap:10px;margin-top:14px}.player .scene-clue{display:flex;align-items:center;gap:9px;min-height:58px;padding:10px 12px;border:1px solid rgba(234,244,246,.18);border-radius:16px;background:rgba(234,244,246,.08);color:#eef8f5;font-size:12px;font-weight:800}.player .scene-clue b{font-size:22px;line-height:1}.player .checkpoint-clock{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:14px 0;padding:12px 15px;border-radius:16px;background:rgba(46,206,224,.10);border:1px solid rgba(46,206,224,.25);color:#dff9ff;font-size:12px;font-weight:850}.player .checkpoint-clock strong{font-size:21px;font-variant-numeric:tabular-nums}.player .checkpoint-clock.done{background:rgba(156,245,111,.09);border-color:rgba(156,245,111,.24);color:#ddfcce}.player .conversation-evidence{margin:0 0 18px;padding:16px;border-radius:18px;background:rgba(156,245,111,.08);border:1px solid rgba(156,245,111,.24)}.player .conversation-evidence h4{margin-top:0}.player .conversation-evidence .row{gap:9px;flex-wrap:wrap}.player .conversation-evidence .btn{height:auto;min-height:46px;white-space:normal}
.player .case-map{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.player .case-node{border:1px solid rgba(234,244,246,.14);background:rgba(234,244,246,.06);color:#789098;border-radius:14px;padding:9px 7px;text-align:center;font-size:10.5px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.player .case-node.on{background:rgba(46,206,224,.15);border-color:rgba(46,206,224,.42);color:#B9F7FF;box-shadow:0 0 24px rgba(46,206,224,.12)}
.player .beat::after,.player .beat::before{display:none!important}
.player #stage[data-kind='vocab'] .beat{grid-template-columns:minmax(0,1fr) minmax(360px,.82fr)}
.player #stage[data-kind='vocab'] .vgrid{grid-column:1!important}
.player #stage[data-kind='listen'] .beat,.player #stage[data-kind='practice'] .beat,.player #stage[data-kind='speak'] .beat,.player #stage[data-kind='quiz'] .beat{grid-template-columns:minmax(0,1fr) minmax(360px,.82fr)}
@media(max-width:980px){
  .player .mission-world{min-height:0;margin-bottom:22px;padding:16px;border-radius:28px;display:block;order:-1}.player .scene-room{min-height:250px}.player .case-top h3{font-size:30px}.player .case-map{grid-template-columns:repeat(6,1fr)}.player .case-node{font-size:9px;padding:7px 4px}.player .person-a{left:48px}.player .person-b{right:92px}.player .scene-card{border-radius:24px}
}
@media(max-width:560px){
  .player .mission-world{padding:13px;border-radius:24px}.player .scene-room{min-height:220px}.player .case-top{display:block}.player .case-live{display:inline-flex;margin-top:10px}.player .scene-window{width:88px;height:64px}.player .scene-fridge{right:18px;width:78px;height:142px}.player .person{width:66px;transform:scale(.82);transform-origin:bottom}.player .person-a{left:18px}.player .person-b{right:72px}.player .case-map{grid-template-columns:repeat(3,1fr)}.player .scene-obj{min-width:40px;height:29px;font-size:10px}.player .obj-dishes{left:122px}.player .obj-phone,.player .obj-headset{left:132px}.player .obj-map,.player .obj-report{left:144px}
}

/* Permanent mobile app dock, so the lesson feels like an app, not a page. */
.player .pnav{display:none}.player .stage{padding-bottom:118px}
.appdock{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(6,1fr);gap:4px;padding:8px max(10px,env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-right));background:rgba(5,13,16,.94);border-top:1px solid rgba(234,244,246,.14);backdrop-filter:blur(18px);box-shadow:0 -20px 70px rgba(0,0,0,.35)}
.appdock a{min-width:0;text-decoration:none;color:#7F969D;border:1px solid transparent;border-radius:18px;padding:8px 4px 7px;display:grid;justify-items:center;gap:3px;font-size:10.5px;font-weight:850;letter-spacing:-.01em}.appdock a span{width:26px;height:24px;border-radius:11px;display:grid;place-items:center;font-size:16px;color:#B5C6CB}.appdock a b{font-size:10.5px;line-height:1}.appdock a.on{color:#EAF4F6;background:rgba(46,206,224,.12);border-color:rgba(46,206,224,.28)}.appdock a.on span{color:#061216;background:#2ECEE0;box-shadow:0 0 24px rgba(46,206,224,.35)}
@media(min-width:900px){.appdock{left:50%;transform:translateX(-50%);max-width:760px;bottom:18px;border:1px solid rgba(234,244,246,.14);border-radius:28px;padding:8px;right:auto;width:min(760px,calc(100% - 36px))}.player .stage{padding-bottom:150px}}


/* V4 direction, photorealistic scene placeholder and profile level loop. */
.player .levelchip{display:flex;align-items:center;gap:8px;border:1px solid rgba(46,206,224,.28);background:rgba(46,206,224,.10);color:#EAF4F6;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:900;white-space:nowrap}.player .levelchip span{color:#9FEAF4;font-weight:800}.player .pbar-in{grid-template-columns:auto 1fr auto auto;max-width:1280px}
.player .photo-scene{position:relative;min-height:318px;border-radius:30px;background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.22)),url('../assets/img/hotel-mission-m02-l01.png'),radial-gradient(circle at 24% 20%,rgba(46,206,224,.35),transparent 28%),linear-gradient(135deg,#233943,#091216 62%,#3B211C);background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:18px;overflow:hidden}.player .photo-scene::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,18,22,.12),transparent 42%,rgba(8,18,22,.36));z-index:0}.player .photo-label,.player .photo-caption{position:relative;z-index:2}.player .photo-label{position:absolute;left:16px;top:15px;border:1px solid rgba(255,255,255,.18);background:rgba(0,0,0,.38);backdrop-filter:blur(10px);border-radius:999px;padding:8px 10px;color:#EAF4F6;font-size:10px;font-weight:950;letter-spacing:.1em;text-transform:uppercase}.player .photo-caption{max-width:300px;color:#EAF4F6;font-family:var(--serif);font-size:25px;line-height:1.04;letter-spacing:-.035em;text-shadow:0 2px 18px rgba(0,0,0,.55)}.player .photo-scene .scene-objects{z-index:3}.player .photo-scene .scene-obj{background:rgba(5,13,16,.46);border-color:rgba(255,255,255,.28);box-shadow:0 18px 46px rgba(0,0,0,.34)}
@media(max-width:560px){.player .levelchip{font-size:10px;padding:5px 8px}.player .levelchip span{display:none}.player .photo-scene{min-height:250px}.player .photo-caption{font-size:22px;max-width:260px}.player .pbar-in{grid-template-columns:auto 1fr auto}.player #pWho{display:none}}

.beatback{position:fixed;left:18px;bottom:88px;z-index:72;display:none;align-items:center;gap:6px;border:1px solid rgba(234,244,246,.16);background:rgba(5,13,16,.78);color:#EAF4F6;border-radius:999px;padding:10px 14px;font-weight:900;font-size:12px;backdrop-filter:blur(14px);box-shadow:0 12px 36px rgba(0,0,0,.30)}
@media(min-width:900px){.beatback{left:calc(50% - min(590px,46vw));bottom:34px}}

/* Mobile game mission layer */
.mission-world{margin:0 0 18px;display:grid;gap:14px}
.mission-hero{position:relative;min-height:250px;border-radius:28px;overflow:hidden;background:#081417;border:1px solid rgba(255,255,255,.16);box-shadow:0 24px 70px rgba(0,0,0,.35)}
.mission-photo{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(5,12,14,.05),rgba(5,12,14,.88)),url('../assets/img/hotel-mission-m02-l01.png');background-size:cover;background-position:center;filter:saturate(1.08) contrast(1.04)}
.mission-copy{position:absolute;left:18px;right:18px;bottom:18px;color:#fff;display:grid;gap:8px}
.mission-tag{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#4ee7ef;font-weight:900}
.mission-copy h2{font-family:var(--serif);font-size:34px;line-height:.95;margin:0;color:#fff}
.mission-copy p{font-size:15px;line-height:1.35;margin:0;color:rgba(255,255,255,.84)}
.mission-focus{display:flex;gap:8px;flex-wrap:wrap}
.mission-focus span{background:rgba(13,148,136,.9);border:1px solid rgba(255,255,255,.16);color:#fff;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800}
.mission-objects{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.mission-object{min-height:58px;border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.13);display:grid;place-items:center;text-align:center;color:#fff;font-size:12px;font-weight:800;padding:8px}
.case-map{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.case-node{border-radius:16px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);padding:10px;color:rgba(255,255,255,.74);font-size:12px;line-height:1.2}
.case-node.is-active{background:linear-gradient(135deg,#10b8c6,#ff5a45);color:#fff;font-weight:900}
.beat.intro .mission-world{margin-top:-6px}
@media (min-width: 760px){.mission-world{grid-template-columns:1.05fr .95fr;align-items:stretch}.mission-hero{min-height:420px}.mission-objects,.case-map{grid-column:2}.mission-copy h2{font-size:48px}}

/* ==========================================================================
   AULA V5, light study shell
   The lesson is a long-use surface. Cinematic darkness stays inside the
   visual mission itself, while reading, choices, navigation and feedback use
   the canonical Paper, Card, Ink and Accent palette.
   ========================================================================== */
.player{
  background:
    radial-gradient(circle at 88% 8%,rgba(46,206,224,.12),transparent 25%),
    var(--paper);
  color:var(--ink);
}
.player .pbar{background:rgba(242,244,246,.94);border-bottom:1px solid var(--line);color:var(--ink)}
.player .pbar .back,.player .pbar .ti span,.player .counter{color:var(--muted)}
.player .pbar .back:hover{color:var(--ink)}
.player .bdot{background:var(--line)}
.player .bdot i{background:linear-gradient(90deg,var(--accent),var(--cyan))}
.player .beat h2{color:var(--ink)}
.player .beat p{color:#4E5B63}
.player .beat p strong{color:var(--ink)}
.player .beat-k .n{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(0,147,168,.24)}
.player .beat-k .l{color:var(--accent-d)}
.player .cando,.player .qcard,.player .vcard,.player .gtable,.player .ex,.player .dlg .bub,.player .roleplay,.player .done-hero{
  background:var(--card);border:1px solid var(--line);color:var(--ink);
  box-shadow:var(--sh);backdrop-filter:none;
}
.player .cando .h,.player .qhint,.player .vcard .pt,.player .ex .pt,.player .dlg .pt{color:var(--muted)}
.player .cando li{color:#35414A}.player .cando li::before{color:var(--ok)}
.player .btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 30px rgba(0,147,168,.25)}
.player .btn-primary:hover{background:var(--accent-d)}
.player .btn-ghost{border-color:var(--line-2);color:var(--accent-d);background:var(--card)}
.player .btn-ghost:hover{background:var(--accent-2);border-color:#8FC7CF}
.player .rule{background:var(--gold-2);border-color:#E3D6AC;color:#5C4514}.player .rule strong{color:#3D2E0C}
.player .vcard .en,.player .qprompt,.player .target-w,.player .ex .en{color:var(--ink)}
.player .vcard .tip{background:var(--accent-2);color:var(--accent-d)}
.player .gtable th{background:var(--paper-2);color:var(--muted)}
.player .gtable td{border-top-color:var(--line);color:#35414A}.player .gtable td:first-child{color:var(--muted)}
.player .opt{background:var(--card);border-color:var(--line-2);color:var(--ink)}
.player .opt:hover:not(:disabled){background:var(--accent-2);border-color:#8FC7CF}
.player .play{background:var(--card);border-color:var(--line-2);color:var(--accent-d)}
.player .play:hover{background:var(--accent-2);border-color:#8FC7CF;color:var(--accent-d)}
.player .levelchip{border-color:#8FC7CF;background:var(--accent-2);color:var(--ink)}
.player .levelchip span{color:var(--accent-d)}
.appdock{background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -14px 40px rgba(11,16,19,.10)}
.appdock a{color:var(--muted)}.appdock a span{color:#52616A}
.appdock a.on{color:var(--accent-d);background:var(--accent-2);border-color:#BFE8EE}
.appdock a.on span{color:#fff;background:var(--accent);box-shadow:none}
.beatback{border-color:var(--line);background:rgba(255,255,255,.94);color:var(--accent-d);box-shadow:0 10px 28px rgba(11,16,19,.12)}
.player .mission-world{background:var(--card);border-color:var(--line);box-shadow:var(--sh);backdrop-filter:none}
.player .mission-world::before{opacity:.12}
.player .case-tag{color:var(--accent-d)}.player .case-top h3{color:var(--ink)}
.player .case-live{border-color:#8FC7CF;background:var(--accent-2);color:var(--accent-d)}
.player .mission-world p{color:var(--muted)}
.player .case-focus{border-color:#B2DFD2;background:var(--ok-2);color:#0F5D46}
.player .scene-clue{border-color:var(--line);background:var(--paper);color:var(--ink)}
.player .checkpoint-clock{background:var(--accent-2);border-color:#BFE8EE;color:var(--accent-d)}
.player .checkpoint-clock.done{background:var(--ok-2);border-color:#B2DFD2;color:#0F5D46}
.player .conversation-evidence{background:var(--ok-2);border-color:#B2DFD2}
.player .case-node{border-color:var(--line);background:var(--paper);color:var(--muted)}
.player .case-node.on{background:var(--accent-2);border-color:#8FC7CF;color:var(--accent-d);box-shadow:none}
@media(min-width:900px){.appdock{border-color:var(--line)}}