@font-face {
  font-family:Instrument Serif;
  src:url(assets/fonts/serif.ttf);
  font-display:swap;
}

@font-face {
  font-family:Instrument Serif;
  src:url(assets/fonts/serif-italic.ttf);
  font-style:italic;
  font-display:swap;
}

@font-face {
  font-family:Instrument Sans;
  src:url(assets/fonts/sans.ttf);
  font-weight:400 700;
  font-display:swap;
}

:root {
  --ink:#162e35;
  --green:#214a42;
  --gold:#846526;
  --paper:#f8f5eb;
  --line:#d5cebc;
  --serif:"Instrument Serif",Baskerville,Georgia,serif;
  --sans:"Instrument Sans",Arial,sans-serif;
}

* {
  box-sizing:border-box;
}

html {
  scroll-behavior:smooth;
  scroll-padding-top:1rem;
}

body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:normal 1rem/1.5 var(--sans);
}

img {
  display:block;
  max-width:100%;
}

h1,h2,h3,p,figure {
  margin:0;
}

h1,h2,h3 {
  font-family:var(--serif);
  font-weight:400;
  line-height:1.05;
}

em {
  font-weight:400;
}

a {
  color:inherit;
}

button {
  cursor:pointer;
}

button,a {
  touch-action:manipulation;
}

a:focus-visible,button:focus-visible,[tabindex="-1"]:focus-visible {
  outline:3px solid #ac7618;
  outline-offset:5px;
}

button {
  font:inherit;
}

button:disabled {
  cursor:progress;
}

.wrap {
  width:min(1180px,calc(100% - clamp(2.5rem,10vw,9rem)));
  margin-inline:auto;
}

.mast {
  border-bottom:1px solid var(--line);
}

.navrow,.foot {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
}

.navrow {
  min-height:78px;
}

.brand {
  font:1.65rem var(--serif);
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:.65rem;
}

.mast nav,.foot nav {
  display:flex;
  gap:clamp(1rem,3vw,2.6rem);
  flex-wrap:wrap;
}

.mast nav a,.foot nav a {
  font-size:.88rem;
  text-underline-offset:.4rem;
  text-decoration:none;
}

.mast nav a:hover,.foot nav a:hover {
  text-decoration:underline;
}

.hero {
  display:grid;
  grid-template-columns:minmax(0,.87fr) minmax(0,1.13fr);
  align-items:center;
  gap:clamp(2rem,7vw,7.3rem);
  padding-block:clamp(3.4rem,6.5vw,6.6rem);
}

.eyebrow {
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.68rem;
  font-weight:650;
  color:var(--gold);
  display:flex;
  align-items:center;
  gap:.8rem;
}

.gold-line {
  width:2.2rem;
  height:1px;
  background:var(--gold);
}

h1 {
  font-size:clamp(5.2rem,8.9vw,9rem);
  letter-spacing:-.045em;
  line-height:.91;
  margin:1.45rem 0 1.55rem;
}

h1 em {
  display:block;
  color:var(--green);
}

.lead {
  font-size:clamp(1.05rem,1.4vw,1.23rem);
  color:#455653;
  line-height:1.55;
  max-width:31ch;
}

.button {
  border:0;
  padding:.88rem 1.55rem;
  background:var(--green);
  color:#fff;
  display:inline-flex;
  min-height:50px;
  align-items:center;
  gap:1.45rem;
  border-radius:4px;
  text-decoration:none;
  font-weight:550;
  font-size:.94rem;
  transition:background .2s,transform .2s;
}

.button:hover {
  background:#173b34;
  transform:translateY(-1px);
}

.arrow {
  font:1.4rem Arial;
}

.draw {
  margin-top:1.8rem;
}

.deck {
  position:relative;
  isolation:isolate;
  width:calc(100% - 13px);
  margin-bottom:13px;
}

.deck:before,.deck:after {
  content:"";
  position:absolute;
  inset:0;
  border:1px solid #b9ad90;
  background:#ebe5d3;
  z-index:-1;
  transform:translate(6px,6px);
}

.deck:before {
  transform:translate(12px,12px);
  background:#f1ecdf;
}

.frame {
  background:#fffcf4;
  border:1px solid #c5b99d;
  padding:clamp(.55rem,1vw,.85rem);
  box-shadow:0 7px 24px #342b1b12;
}

.frame>img {
  width:100%;
  height:auto;
  aspect-ratio:4/3;
  object-fit:cover;
  background:#e3dcce;
}

.frame figcaption {
  padding:1.1rem .6rem .6rem;
}

.frame figcaption h2 {
  font-size:clamp(2.15rem,3.3vw,3.3rem);
  margin-top:.4rem;
}

.frame figcaption .eyebrow {
  font-size:.62rem;
}

.frame figcaption #qualidades {
  font-size:.84rem;
  color:#425b50;
  margin:.3rem 0 .8rem;
}

.frame figcaption #pergunta {
  font:italic clamp(1.4rem,2.1vw,1.9rem)/1.18 var(--serif);
  padding-top:.7rem;
  border-top:1px solid var(--line);
}

.reveal {
  animation:reveal .4s ease-out;
}

@keyframes reveal {
  from {
    opacity:.4;
    transform:translateY(5px);
  }
  to {
    opacity:1;
    transform:none;
  }
}

.practice {
  border-top:1px solid var(--line);
  background:#efeee3;
  padding:clamp(3rem,6vw,5rem) 0;
}

.section-head {
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:1rem;
  margin-bottom:2rem;
}

.section-head h2 {
  font-size:clamp(2.65rem,5vw,4.35rem);
  letter-spacing:-.035em;
}

.section-head h2 em {
  color:var(--green);
}

.section-head p {
  font-size:.91rem;
  color:#4d5b52;
}

.pair {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(1rem,3vw,2.5rem);
}

.pair article {
  min-width:0;
}

.pair h3 {
  font-size:clamp(1.65rem,2.2vw,2.15rem);
  margin-bottom:1rem;
  display:flex;
  align-items:center;
  gap:.6rem;
}

.glyph {
  font:1.65rem Georgia,serif;
  color:var(--gold);
}

.diagram {
  position:relative;
  display:block;
  background:#fff;
  border:1px solid var(--line);
  padding:clamp(.5rem,1.2vw,1rem);
  cursor:zoom-in;
}

.diagram img {
  width:100%;
  height:auto;
}

.diagram span {
  position:absolute;
  bottom:.4rem;
  right:.5rem;
  background:#f3f1e9;
  border-radius:50%;
  width:1.55rem;
  text-align:center;
  font-size:1rem;
}

.lesson {
  padding:2rem clamp(1.2rem,3vw,2.8rem);
  background:var(--green);
  color:#fffef0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  margin-top:2.7rem;
}

.lesson .eyebrow {
  color:#e6d4a7;
}

.lesson h3 {
  font-size:clamp(2rem,3vw,2.8rem);
  margin-top:.45rem;
}

.watch {
  border:1px solid #aebaac;
  background:transparent;
  color:inherit;
  gap:.7rem;
}

.foot {
  padding-block:2.5rem;
}

.foot h2 {
  font-size:2.05rem;
}

.foot p {
  font-size:.85rem;
  color:#475a54;
  margin-top:.3rem;
}

dialog {
  background:var(--paper);
  color:var(--ink);
  border:1px solid var(--line);
  width:min(96%,1250px);
  max-width:none;
  max-height:95dvh;
  padding:clamp(.75rem,2vw,1.5rem);
}

dialog::backdrop {
  background:#0b211eee;
}

.dialog-head {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  margin-bottom:1rem;
}

.dialog-head h2 {
  font-size:clamp(1.45rem,3vw,2.4rem);
}

.dialog-head button {
  color:var(--ink);
  background:transparent;
  border:1px solid var(--line);
  padding:.45rem .75rem;
}

.scroll-image {
  overflow:auto;
  background:#fff;
}

.scroll-image img {
  width:100%;
  min-width:720px;
  max-width:none;
}

#original {
  display:inline-block;
  font-size:.9rem;
  margin-top:1rem;
}

.sr,.skip:not(:focus) {
  position:absolute;
  clip-path:inset(50%);
  width:1px;
  height:1px;
  overflow:hidden;
}

.skip:focus {
  position:fixed;
  top:0;
  left:0;
  z-index:5;
  background:#fff;
  padding:.5rem 1rem;
}

@media(max-width:730px) {
  .hero {
    gap:2.3rem;
    grid-template-columns:1fr;
    padding-block:2.8rem;
  }
  .navrow {
    min-height:68px;
    gap:1rem;
  }
  .brand {
    font-size:1.4rem;
  }
  .brand img {
    width:30px;
  }
  .mast nav {
    gap:.85rem;
  }
  .mast nav a {
    font-size:.8rem;
  }
  .lead {
    max-width:35ch;
  }
  .hero h1 {
    font-size:clamp(4.4rem,12vw,6.4rem);
    margin:.9rem 0;
  }
  h1 em {
    display:inline;
  }
  .draw {
    margin-top:1.25rem;
  }
  .section-head,.foot {
    align-items:flex-start;
    flex-direction:column;
    gap:.65rem;
  }
  .pair {
    grid-template-columns:1fr;
    gap:1.8rem;
  }
  .lesson {
    align-items:flex-start;
    flex-direction:column;
  }
  .foot nav {
    margin-top:.6rem;
  }
  .eyebrow {
    letter-spacing:.13em;
  }
  .section-head {
    margin-bottom:1.6rem;
  }
}

@media(max-width:460px) {
  .mast nav a:first-child {
    display:none;
  }
  .mast nav {
    column-gap:.85rem;
  }
  .brand {
    gap:.35rem;
  }
  .wrap {
    width:calc(100% - 2.5rem);
  }
}

@media(max-width:340px) {
  .brand {
    font-size:1.2rem;
  }
  .brand img {
    width:25px;
  }
  .navrow {
    gap:.5rem;
  }
  .mast nav {
    gap:.6rem;
  }
  .mast nav a {
    font-size:.74rem;
  }
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
  }
}

#repetir {
  display:none;
}

@media(max-width:730px) {
  #repetir {
    display:inline-flex;
    align-items:center;
    gap:.65rem;
    background:transparent;
    border:0;
    color:var(--green);
    font-size:.85rem;
    font-weight:600;
    padding:.65rem 0;
    min-height:44px;
    margin-top:.4rem;
  }
}