/* ===== Tokens ===== */
:root{
  --paper:#faf6ef;        /* off-white quente */
  --paper2:#f2ebdf;
  --ink:#20241f;          /* quase preto esverdeado */
  --ink-soft:#5c6157;
  --verde:#1a4e7a;        /* azul cavaquinho profundo */
  --verde2:#2670a8;
  --verde-claro:#e6eef5;
  --coral:#e8623c;        /* acento quente */
  --coral-soft:#f6d9cf;
  --linha:#e0d7c6;
  --anil:#1f4e6b;         /* dedo no diagrama */
  --verde-solta:#2e7d32;  /* corda solta */
  --telha:#b03a2e;        /* nao toca */
  --shadow:0 18px 40px -24px rgba(26,78,122,.55);
  --diag-bg:#ffffff;      /* fundo das casas no diagrama */
  --diag-line:#20241f;    /* linhas do diagrama */
  --diag-num:#5c6157;     /* números das casas */
  --surface:#ffffff;      /* fundo de cards */
  --grad-a:#ffffff; --grad-b:#f0e8d8; /* gradiente de destaque */
}
:root[data-theme="dark"]{
  --paper:#12161c;
  --paper2:#1a2027;
  --ink:#eef1f4;
  --ink-soft:#9aa4b0;
  --verde:#4a9fd8;        /* azul mais claro para contraste no escuro */
  --verde2:#6bb6e8;
  --verde-claro:#1c2a38;
  --coral:#f07a54;
  --coral-soft:#3a2a24;
  --linha:#2a323c;
  --anil:#4a9fd8;
  --verde-solta:#5bd166;
  --telha:#e06554;
  --shadow:0 18px 40px -24px rgba(0,0,0,.7);
  --diag-bg:#1a2027;
  --diag-line:#c8d0da;
  --diag-num:#9aa4b0;
  --surface:#1a2027;
  --grad-a:#1e252e; --grad-b:#161b22;
}
html{transition:background .3s}
body,.nav,.step,.stage,.mini,.instr-card,.string-btn,.chip,.hero-card{transition:background .3s,border-color .3s,color .3s}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1080px;margin:0 auto;padding:0 1.5rem}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;line-height:1.08;font-weight:600}
a{color:inherit}
img{max-width:100%}

/* ===== Nav ===== */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(250,246,239,.85);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--linha);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:'Fraunces',serif;font-weight:600;font-size:1.15rem;color:var(--verde);text-decoration:none}
.brand .dot{width:12px;height:12px;border-radius:50%;background:var(--coral)}
.nav-links{display:flex;gap:.35rem;list-style:none}
.nav-links a{
  text-decoration:none;color:var(--ink-soft);font-size:.92rem;font-weight:500;
  padding:.45rem .7rem;border-radius:.5rem;transition:background .15s,color .15s
}
.nav-links a:hover{background:var(--verde-claro);color:var(--verde)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--verde)}

/* ===== Hero ===== */
.hero{padding:4.5rem 0 3rem;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:2.5rem;align-items:center}
.hero .kicker{display:inline-block;font-size:.82rem;font-weight:600;letter-spacing:.03em;color:var(--coral);margin-bottom:1rem}
.hero h1{font-size:clamp(2.4rem,6vw,4.2rem);color:var(--ink)}
.hero h1 em{font-style:italic;color:var(--verde)}
.hero p.lead{margin-top:1.2rem;font-size:1.15rem;color:var(--ink-soft);max-width:44ch}
.hero-cta{margin-top:2rem;display:flex;gap:.8rem;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;
  padding:.8rem 1.4rem;border-radius:.65rem;font-weight:600;font-size:.98rem;
  cursor:pointer;border:2px solid transparent;font-family:inherit;transition:transform .08s,background .15s,border-color .15s
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--verde);color:#fff}
.btn-primary:hover{background:var(--verde2)}
.btn-ghost{background:transparent;border-color:var(--linha);color:var(--ink)}
.btn-ghost:hover{border-color:var(--verde);color:var(--verde)}

.hero-art{display:flex;justify-content:center;align-items:center}
.hero-card{
  background:linear-gradient(165deg,var(--grad-a),var(--grad-b));border:1px solid var(--linha);
  border-radius:1.3rem;padding:1.8rem;box-shadow:var(--shadow);text-align:center;width:min(320px,100%)
}
.hero-card .cn{font-family:'Fraunces',serif;font-size:1.8rem;color:var(--verde);font-weight:600}
.hero-card .csub{color:var(--ink-soft);font-size:.9rem;margin-bottom:.6rem}

/* ===== Instrumentos ===== */
.instr{background:linear-gradient(180deg,var(--surface),var(--paper))}
.instr-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:1.5rem;align-items:center}
.instr-card{background:var(--surface);border:1px solid var(--linha);border-radius:1.1rem;padding:1.5rem;text-align:center;box-shadow:var(--shadow)}
.instr-img{height:200px;display:flex;align-items:center;justify-content:center}
.instr-img svg{height:100%;width:auto}
.instr-card figcaption h3{font-size:1.35rem;color:var(--verde);margin:.6rem 0 .3rem}
.instr-card figcaption p{color:var(--ink-soft);font-size:.92rem;max-width:32ch;margin:0 auto}
.instr-mid{text-align:center;color:var(--ink-soft)}
.instr-mid .instr-amp{display:block;font-family:'Fraunces',serif;font-size:3rem;color:var(--coral);line-height:1;margin-bottom:.5rem}
.instr-mid p{font-size:.95rem;font-weight:500}
@media(max-width:820px){
  .instr-grid{grid-template-columns:1fr;gap:1rem}
  .instr-mid .instr-amp{font-size:2rem;margin-bottom:.2rem}
  .instr-mid p br{display:none}
}

/* ===== Nav extras ===== */
.nav-right{display:flex;align-items:center;gap:.5rem}
.brand .logo{border-radius:7px;flex:0 0 auto}
.theme-toggle{background:none;border:1.5px solid var(--linha);color:var(--verde);width:36px;height:36px;border-radius:.5rem;cursor:pointer;font-size:1rem;line-height:1;transition:background .15s,border-color .15s}
.theme-toggle:hover{background:var(--verde-claro);border-color:var(--verde)}

/* ===== Reveal (animação de entrada) ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Ritmos ===== */
.ritmo-box{display:grid;grid-template-columns:1.3fr 1fr;gap:1.5rem;align-items:center;background:linear-gradient(180deg,var(--diag-bg),var(--paper2));border:1px solid var(--linha);border-radius:1.1rem;padding:1.8rem;box-shadow:var(--shadow)}
.ritmo-viz{display:flex;gap:.5rem;align-items:flex-end;justify-content:center;min-height:88px}
.ritmo-viz .beat{width:26px;height:38px;border-radius:.4rem;background:var(--linha);transition:background .06s,height .06s,transform .06s}
.ritmo-viz .beat:nth-child(4n+1){height:58px}
.ritmo-viz .beat.hit{background:var(--coral);transform:scaleY(1.12)}
.ritmo-viz .beat:nth-child(4n+1).hit{background:var(--verde)}
.ritmo-info .ritmo-bpm{font-family:'Fraunces',serif;font-size:1.6rem;color:var(--verde);font-weight:600}
.ritmo-info p{color:var(--ink-soft);font-size:.92rem;margin:.4rem 0 1rem}
.mini-note{color:var(--ink-soft);font-size:.86rem;margin-top:1rem}
.mini-note a{color:var(--verde);font-weight:600}
.play.playing{background:var(--verde)}

/* ===== Músicas ===== */
.song-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.1rem}
.song{background:var(--diag-bg);border:1px solid var(--linha);border-radius:1rem;padding:1.4rem;transition:transform .12s,box-shadow .15s}
.song:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.song h3{font-size:1.25rem;color:var(--ink)}
.song-tag{display:inline-block;font-size:.75rem;color:var(--coral);font-weight:600;margin:.3rem 0 .8rem}
.song-prog{font-size:1rem;color:var(--ink-soft);margin-bottom:.6rem}
.song-prog b{color:var(--verde);font-weight:600}
.song-note{font-size:.9rem;color:var(--ink-soft)}

/* ===== Erros / dicas ===== */
.tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.1rem}
.tip{background:var(--diag-bg);border:1px solid var(--linha);border-left:3px solid var(--coral);border-radius:.8rem;padding:1.2rem}
.tip h3{font-size:1.1rem;color:var(--ink);margin-bottom:.4rem}
.tip p{color:var(--ink-soft);font-size:.92rem}

/* ===== Glossário ===== */
.glossary{columns:2;column-gap:2rem}
.term{break-inside:avoid;padding:.7rem 0;border-bottom:1px solid var(--linha)}
.term dt{font-family:'Fraunces',serif;font-weight:600;color:var(--verde);font-size:1.05rem;margin-bottom:.15rem}
.term dd{color:var(--ink-soft);font-size:.9rem}

/* ===== Sections ===== */
section{padding:4rem 0;border-top:1px solid var(--linha)}
.sec-head{max-width:60ch;margin-bottom:2.2rem}
.sec-head .eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.03em;color:var(--coral);margin-bottom:.5rem}
.sec-head h2{font-size:clamp(1.8rem,4vw,2.6rem)}
.sec-head p{margin-top:.7rem;color:var(--ink-soft);font-size:1.05rem}

/* Aulas */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem}
.step{
  background:var(--surface);border:1px solid var(--linha);border-radius:1rem;padding:1.4rem;
  position:relative;transition:transform .12s,box-shadow .15s
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.step .num{font-family:'Fraunces',serif;font-size:.95rem;font-weight:600;color:#fff;background:var(--verde);width:2rem;height:2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:.9rem}
.step h3{font-size:1.2rem;margin-bottom:.4rem}
.step p{color:var(--ink-soft);font-size:.95rem}

/* Dicionário */
.controls{margin-bottom:1.2rem}
.control-row{margin-bottom:1rem}
.control-row .lbl{font-size:.8rem;color:var(--ink-soft);margin-bottom:.5rem;font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{
  border:1.5px solid var(--linha);background:var(--surface);color:var(--ink);
  padding:.4rem .7rem;border-radius:.55rem;font-size:.9rem;font-weight:500;
  cursor:pointer;font-family:inherit;transition:transform .08s,background .15s,border-color .15s
}
.chip:hover{border-color:var(--verde2)}
.chip:active{transform:translateY(1px)}
.chip.on{background:var(--verde);border-color:var(--verde);color:#fff}
.chip.tipo.on{background:var(--ink);border-color:var(--ink)}
.stage{
  display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:center;
  background:linear-gradient(180deg,var(--grad-a),var(--grad-b));border:1px solid var(--linha);
  border-radius:1.1rem;padding:1.8rem;box-shadow:var(--shadow)
}
.readout .nome{font-family:'Fraunces',serif;font-size:clamp(1.8rem,5vw,2.9rem);color:var(--verde);font-weight:600;line-height:1}
.readout .cifra{font-size:1.05rem;color:var(--coral);font-weight:600;margin-top:.15rem}
.readout .notas{margin-top:1rem;font-size:.95rem;color:var(--ink-soft)}
.readout .notas b{color:var(--ink);font-weight:600}
.posbtns{display:flex;gap:.4rem;margin-top:1.2rem}
.posbtns button{flex:1;border:1.5px solid var(--linha);background:var(--surface);border-radius:.5rem;padding:.5rem;font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;color:var(--ink-soft)}
.posbtns button.on{background:var(--verde);color:#fff;border-color:var(--verde)}
.play{margin-top:.9rem;width:100%;border:none;background:var(--coral);color:#fff;padding:.65rem;border-radius:.5rem;font-family:inherit;font-weight:600;font-size:.95rem;cursor:pointer}
.play:active{transform:translateY(1px)}
.diagram-box{display:flex;justify-content:center}
.grid-ref{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:.7rem;margin-top:1.5rem}
.mini{background:var(--surface);border:1px solid var(--linha);border-radius:.7rem;padding:.6rem .4rem .4rem;text-align:center;cursor:pointer;transition:border-color .15s,transform .08s}
.mini:hover{border-color:var(--verde2);transform:translateY(-2px)}
.mini .mn{font-weight:600;font-size:.9rem;color:var(--coral);margin-bottom:.25rem}

/* Afinador */
.tuner{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;max-width:640px}
.string-btn{
  background:#fff;border:1.5px solid var(--linha);border-radius:1rem;padding:1.4rem .6rem;
  text-align:center;cursor:pointer;font-family:inherit;transition:transform .1s,border-color .15s,background .15s
}
.string-btn:hover{border-color:var(--verde);transform:translateY(-3px)}
.string-btn.active{background:var(--verde);border-color:var(--verde);color:#fff}
.string-btn .nota{font-family:'Fraunces',serif;font-size:2rem;font-weight:600;color:var(--verde)}
.string-btn.active .nota{color:#fff}
.string-btn .cd{font-size:.78rem;color:var(--ink-soft);margin-top:.2rem}
.string-btn.active .cd{color:rgba(255,255,255,.85)}
.tuner-note{margin-top:1rem;color:var(--ink-soft);font-size:.9rem}

/* Sobre */
.about{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.about p{color:var(--ink-soft);margin-bottom:1rem}
.about .facts{background:var(--verde-claro);border-radius:1rem;padding:1.5rem}
.about .facts h3{font-size:1.15rem;color:var(--verde);margin-bottom:.8rem}
.about .facts li{list-style:none;padding:.4rem 0;border-bottom:1px solid #d3e0ec;font-size:.92rem;display:flex;justify-content:space-between;gap:1rem}
.about .facts li:last-child{border:none}
.about .facts li span:first-child{color:var(--ink-soft)}
.about .facts li span:last-child{font-weight:600;color:var(--ink)}

/* Footer */
footer{background:var(--ink);color:#cfd3ca;padding:3rem 0;border:none}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1.5rem;align-items:center}
footer .brand{color:#fff}
footer a{color:#cfd3ca;text-decoration:none;font-size:.9rem}
footer a:hover{color:#fff}
footer .fnote{font-size:.82rem;color:#8b9184}

/* ===== Aulas — Módulos por nível ===== */
.nivel-tabs{display:flex;gap:.6rem;margin-bottom:2rem;flex-wrap:wrap}
.nivel-tab{
  background:var(--paper2);border:1.5px solid var(--linha);color:var(--ink-soft);
  padding:.55rem 1.2rem;border-radius:2rem;font-weight:600;font-size:.92rem;
  cursor:pointer;transition:background .18s,color .18s,border-color .18s
}
.nivel-tab.active,.nivel-tab:hover{background:var(--verde);color:#fff;border-color:var(--verde)}
.nivel-panel{display:none}
.nivel-panel.active{display:block}

.modulo{background:var(--surface);border:1px solid var(--linha);border-radius:1rem;margin-bottom:1.5rem;overflow:hidden}
.modulo-head{
  display:flex;align-items:center;gap:1rem;padding:1.1rem 1.5rem;
  background:var(--verde-claro);border-bottom:1px solid var(--linha)
}
.modulo-num{
  background:var(--verde);color:#fff;font-size:.78rem;font-weight:700;
  padding:.28rem .65rem;border-radius:2rem;letter-spacing:.04em
}
.modulo-head h3{font-size:1.1rem;margin:0}
.modulo-body{padding:1.5rem}
.modulo-body p{margin-bottom:1rem;color:var(--ink)}
.modulo-body h4{font-size:.95rem;font-weight:600;color:var(--verde);margin-bottom:.5rem;margin-top:1rem}
.modulo-body h4:first-child{margin-top:0}

.partes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.75rem;margin-bottom:1rem}
.parte{background:var(--paper2);border-radius:.6rem;padding:.8rem 1rem}
.parte strong{display:block;font-size:.9rem;color:var(--verde);margin-bottom:.2rem}
.parte span{font-size:.85rem;color:var(--ink-soft)}

.info-box{
  background:var(--verde-claro);border-left:3px solid var(--verde);
  border-radius:.5rem;padding:.85rem 1rem;font-size:.9rem;color:var(--ink);margin-top:1rem
}

.duas-cols{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.lista-aula{padding-left:1.3rem;color:var(--ink)}
.lista-aula li{margin-bottom:.55rem;font-size:.93rem}

.cordas-grid{display:flex;gap:1rem;flex-wrap:wrap;margin:1rem 0}
.corda{
  flex:1;min-width:90px;background:var(--paper2);border:2px solid var(--linha);
  border-radius:.75rem;padding:1rem;text-align:center
}
.corda .cn{display:block;font-size:.78rem;color:var(--ink-soft);margin-bottom:.2rem}
.corda .cnota{display:block;font-size:1.4rem;font-weight:700;font-family:'Fraunces',serif;color:var(--verde)}
.corda .cdesc{display:block;font-size:.75rem;color:var(--ink-soft);margin-top:.2rem}

.escala-crom{display:flex;flex-wrap:wrap;gap:.35rem;margin:.75rem 0}
.escala-crom span{
  background:var(--verde);color:#fff;padding:.3rem .65rem;border-radius:.4rem;
  font-size:.83rem;font-weight:600
}
.escala-crom .semi{background:var(--coral);font-size:.75rem}

/* Diagrama de exemplo no módulo 04 */
.diagrama-exemplo{background:var(--paper2);border-radius:.75rem;padding:1.2rem;text-align:center}
.diag-label{font-weight:700;color:var(--verde);margin-bottom:.75rem;font-size:.95rem}
.diag-mini{display:inline-grid;grid-template-rows:auto repeat(4,1.6rem);gap:0;border:1.5px solid var(--linha);border-radius:.4rem;overflow:hidden;background:#fff}
.diag-row{display:grid;grid-template-columns:repeat(4,2.2rem)}
.diag-row.head span{font-size:.72rem;color:var(--ink-soft);padding:.3rem 0;text-align:center;background:var(--paper2);border-bottom:1px solid var(--linha)}
.diag-row span{display:flex;align-items:center;justify-content:center;font-size:.95rem;border-right:1px solid var(--linha);border-bottom:1px solid var(--linha)}
.diag-row span:last-child{border-right:none}
.diag-row.t1,.diag-row.t2,.diag-row.t3{border-bottom:1px solid var(--linha)}
.diag-row span.dot{font-size:1.1rem;color:var(--anil)}
.diag-row span.open{color:var(--verde-solta);font-size:1rem}
.diag-note{font-size:.78rem;color:var(--ink-soft);margin-top:.6rem}

/* Campo harmônico */
.campo-harmonico{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0}
.ch-item{
  background:var(--paper2);border:1px solid var(--linha);border-radius:.6rem;
  padding:.7rem 1rem;text-align:center;min-width:80px
}
.ch-item .grau{display:block;font-size:.75rem;color:var(--ink-soft)}
.ch-item .acorde{display:block;font-size:1.2rem;font-weight:700;color:var(--verde);font-family:'Fraunces',serif}
.ch-item .func{display:block;font-size:.7rem;color:var(--coral);margin-top:.15rem}

/* Sétimas */
.septimas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.75rem;margin:1rem 0}
.sept{background:var(--paper2);border-radius:.6rem;padding:.9rem 1rem}
.sept strong{display:block;color:var(--verde);font-size:1rem;margin-bottom:.2rem}
.sept span:first-of-type{display:block;color:var(--coral);font-size:.85rem;font-weight:600;margin-bottom:.3rem}
.sept span:last-of-type{font-size:.83rem;color:var(--ink-soft)}

/* Levadas */
.levadas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin:1rem 0}
.levada{background:var(--paper2);border-radius:.75rem;padding:1.1rem}
.levada h4{color:var(--verde);margin-bottom:.5rem;font-size:.95rem}
.comp{
  font-family:monospace;font-size:1.1rem;letter-spacing:.1em;
  background:var(--ink);color:#e8f5d8;padding:.5rem .75rem;border-radius:.4rem;
  margin:.5rem 0
}

/* Acordes início */
.acordes-inicio{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1rem 0}
.ai{background:var(--verde-claro);border-radius:.6rem;padding:.9rem 1rem}
.ai strong{display:block;font-size:1rem;color:var(--verde);margin-bottom:.25rem}
.ai span{font-size:.85rem;color:var(--ink-soft)}

/* Substituições harmônicas */
.subst-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0}
.subst{background:var(--paper2);border-radius:.75rem;padding:1.1rem}
.subst h4{color:var(--coral);font-size:.95rem;margin-bottom:.5rem}
.subst p{font-size:.88rem;color:var(--ink);margin:0}

/* Campos por tonalidade */
.campos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.campo{background:var(--paper2);border-radius:.6rem;padding:1rem}
.campo h4{color:var(--verde);font-size:.9rem;margin-bottom:.4rem}
.campo div{font-size:.82rem;color:var(--ink-soft)}

/* Conjunto */
.conjunto-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1rem 0}
.inst-papel{background:var(--paper2);border-radius:.75rem;padding:1.1rem}
.inst-papel h4{font-size:.95rem;color:var(--verde);margin-bottom:.5rem}
.inst-papel p{font-size:.85rem;color:var(--ink);margin:0}

/* Responsivo */
@media(max-width:820px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-art{order:-1}
  .hero p.lead,.hero-cta{margin-left:auto;margin-right:auto;justify-content:center}
  .about{grid-template-columns:1fr}
}
@media(max-width:640px){
  .nav-links{position:fixed;inset:64px 0 auto 0;background:var(--paper);flex-direction:column;padding:1rem 1.5rem;border-bottom:1px solid var(--linha);display:none}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .stage{grid-template-columns:1fr}
  .readout{text-align:center}
  .posbtns{justify-content:center}
  .tuner{grid-template-columns:repeat(2,1fr)}
  .ritmo-box{grid-template-columns:1fr}
  .glossary{columns:1}
  .duas-cols{grid-template-columns:1fr}
  .subst-grid{grid-template-columns:1fr}
  .campos-grid{grid-template-columns:1fr}
  .conjunto-grid{grid-template-columns:1fr}
  .acordes-inicio{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}