/* Vopuva — folha de estilos comum */

:root{
  --bg:#f4f0e8;
  --bg-alt:#e7e1d5;
  --dark:#20242a;
  --ink:#22201b;
  --muted:#776f62;
  --blue:#2c4668;
  --copper:#a06a2c;
  --serif:Georgia,'Times New Roman',serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --step:84px;
  --gut:24px;
}

*{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--serif);
  font-size:18px;
  line-height:1.65;
  overflow-x:hidden;
}

.wrap{
  width:100%;
  max-width:1160px;
  margin:0 auto;
  padding:0 28px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:var(--gut);
}

p{margin:0 0 1.35em;}
p:last-child{margin-bottom:0;}

a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;}
a:hover{text-decoration-thickness:2px;}
a:focus-visible,
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;}

/* ---------- cabeçalho ---------- */

.top{
  border-bottom:1px solid rgba(34,32,27,.18);
  background:var(--bg);
}
.top .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 28px;
  padding-top:20px;
  padding-bottom:18px;
}
.brand{
  font-family:var(--serif);
  font-size:21px;
  letter-spacing:.06em;
  color:var(--ink);
  text-decoration:none;
}
.brand span{color:var(--copper);}
.mainnav ul{
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--sans);
  font-size:12.5px;
  letter-spacing:.04em;
}
.mainnav a{
  color:var(--ink);
  text-decoration:none;
  padding-bottom:3px;
  border-bottom:1px solid transparent;
}
.mainnav a:hover{border-bottom-color:var(--blue);}
.mainnav a[aria-current="page"]{border-bottom-color:var(--copper);}

/* ---------- marcas de registo ---------- */

.mark{
  position:absolute;
  width:18px;
  height:18px;
  pointer-events:none;
}
.mark::before,.mark::after{
  content:"";
  position:absolute;
  background:var(--blue);
}
.mark::before{left:50%;top:0;width:1px;height:100%;}
.mark::after{top:50%;left:0;height:1px;width:100%;}
.mark.copper::before,.mark.copper::after{background:var(--copper);}
.mark.tl{left:-9px;top:-9px;}
.mark.tr{right:-9px;top:-9px;}
.mark.bl{left:-9px;bottom:-9px;}
.mark.br{right:-9px;bottom:-9px;}

/* ---------- hero ---------- */

.hero{
  padding:calc(var(--step) - 14px) 0 var(--step);
}
.hero-frame{
  position:relative;
}
.hero h1{
  position:relative;
  grid-column:1 / 10;
  margin:0 0 42px;
  font-size:54px;
  line-height:1.12;
  font-weight:400;
  letter-spacing:-.005em;
}
.hero h1 .strike{
  position:absolute;
  left:-2px;
  right:14%;
  bottom:.34em;
  height:2px;
  background:var(--copper);
}
.hero-lead{
  grid-column:1 / 6;
  color:var(--ink);
}
.hero-lead .sub{color:var(--muted);font-size:16.5px;}
.hero-topics{
  grid-column:8 / 12;
}
.hero-topics h2{
  margin:0 0 14px;
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:.09em;
  font-weight:600;
  color:var(--copper);
}
.hero-topics ul{
  margin:0;
  padding:0;
  list-style:none;
  font-size:16.5px;
  line-height:1.5;
}
.hero-topics li{
  position:relative;
  padding-left:18px;
  margin-bottom:9px;
}
.hero-topics li::before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:7px;
  height:7px;
  background:var(--blue);
}

/* ---------- bandas ---------- */

.band{padding:var(--step) 0;}
.band.alt{background:var(--bg-alt);}
.band.dark{background:var(--dark);color:var(--bg);}
.band.dark h2,.band.dark h3{color:var(--bg);}
.band.dark a{color:#c9d6ea;}
.band.dark .caption{color:#a79c8c;}

/* colunas de texto: 7 colunas, deslocando-se uma coluna por secção */
.col7{grid-column:1 / 8;}
.col7.o1{grid-column:2 / 9;}
.col7.o2{grid-column:3 / 10;}
.col7.o3{grid-column:4 / 11;}

h2{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.22;
  font-weight:400;
  margin:0 0 20px;
}
h3{
  font-family:var(--serif);
  font-style:italic;
  font-size:21px;
  font-weight:400;
  margin:34px 0 12px;
}

.snum{
  display:block;
  font-family:var(--sans);
  font-size:11.5px;
  letter-spacing:.12em;
  color:var(--copper);
  margin-bottom:10px;
}

.rule{
  grid-column:1 / 13;
  margin:0 0 30px;
  height:6px;
  position:relative;
}
.rule::before,.rule::after{
  content:"";
  position:absolute;
  height:2px;
  width:min(58%,560px);
}
.rule::before{left:0;top:0;background:var(--blue);}
.rule::after{left:24px;top:4px;background:var(--copper);}

/* listas práticas */
.checklist{
  margin:22px 0 0;
  padding:0;
  list-style:none;
}
.checklist li{
  position:relative;
  padding-left:22px;
  margin-bottom:11px;
}
.checklist li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:9px;
  height:2px;
  background:var(--copper);
}
.band.dark .checklist li::before{background:#c98f46;}

.deflist{margin:20px 0 0;}
.deflist dt{
  font-style:italic;
  margin-top:16px;
}
.deflist dd{
  margin:2px 0 0;
  color:var(--ink);
}
.deflist dd:first-of-type{margin-top:2px;}

/* ---------- imagem principal ---------- */

.figure-main{
  grid-column:3 / 11;
  position:relative;
  margin:0;
}
.figure-main img{
  display:block;
  width:100%;
  height:auto;
}
.caption{
  font-family:var(--sans);
  font-size:12px;
  line-height:1.5;
  color:var(--muted);
  margin-top:12px;
  max-width:52ch;
}

/* ---------- secção contrastada com imagem vertical ---------- */

.detail-fig{
  grid-column:2 / 6;
  margin:0;
  position:relative;
}
.detail-fig img{
  display:block;
  width:100%;
  height:auto;
}
.detail-text{grid-column:7 / 13;}

/* ---------- sobre ---------- */

.about-body{
  grid-column:3 / 10;
}
.about-rail{
  grid-column:1 / 3;
  position:relative;
}
.rail-mark{
  position:relative;
  width:16px;
  height:16px;
  margin-bottom:180px;
}
.rail-mark::before,.rail-mark::after{
  content:"";
  position:absolute;
  background:var(--copper);
}
.rail-mark::before{left:50%;top:0;width:1px;height:100%;}
.rail-mark::after{top:50%;left:0;height:1px;width:100%;}

.page-intro{
  grid-column:1 / 9;
  margin-bottom:8px;
}
.page-intro h1{
  font-size:40px;
  line-height:1.18;
  font-weight:400;
  margin:0 0 16px;
}
.legal{grid-column:2 / 10;}
.legal h2{font-size:25px;margin-top:44px;}
.legal h2:first-of-type{margin-top:0;}

/* ---------- contacto ---------- */

.contact-box{
  grid-column:4 / 11;
}
.contact-box .mail{
  font-size:22px;
  display:inline-block;
  margin-top:6px;
}

/* ---------- rodapé ---------- */

.site-footer{
  background:var(--dark);
  color:var(--bg);
  padding:52px 0 44px;
  margin-top:0;
}
.foot-rule{
  grid-column:1 / 13;
  position:relative;
  height:6px;
  margin-bottom:34px;
}
.foot-rule::before,.foot-rule::after{
  content:"";
  position:absolute;
  height:2px;
  width:min(46%,430px);
}
.foot-rule::before{left:0;top:0;background:#4f6c96;}
.foot-rule::after{left:24px;top:4px;background:var(--copper);}
.foot-a{grid-column:1 / 8;}
.foot-b{grid-column:8 / 13;}
.foot-a .fname{
  font-size:22px;
  letter-spacing:.06em;
  margin:0 0 12px;
}
.foot-a p{
  font-size:16px;
  color:#c4bcae;
  max-width:46ch;
}
.foot-b ul{
  margin:0 0 16px;
  padding:0;
  list-style:none;
  font-family:var(--sans);
  font-size:13px;
  line-height:1.9;
}
.foot-b a{color:#c9d6ea;text-decoration:none;border-bottom:1px solid transparent;}
.foot-b a:hover{border-bottom-color:#c9d6ea;}
.foot-b .mailline{
  font-family:var(--sans);
  font-size:13px;
  color:#c4bcae;
}
.foot-b .mailline a{text-decoration:underline;}
.foot-note{
  grid-column:1 / 13;
  margin-top:32px;
  font-family:var(--sans);
  font-size:11.5px;
  color:#8e8578;
}

/* ---------- responsivo ---------- */

@media (max-width:980px){
  :root{--step:58px;}
  .hero h1{font-size:42px;grid-column:1 / 13;}
  .hero-lead,.hero-topics{grid-column:1 / 13;}
  .hero-topics{margin-top:30px;}
  .col7,.col7.o1,.col7.o2,.col7.o3{grid-column:1 / 13;}
  .figure-main{grid-column:1 / 13;}
  .detail-fig{grid-column:1 / 8;}
  .detail-text{grid-column:1 / 13;margin-top:30px;}
  .about-body,.legal,.page-intro,.contact-box{grid-column:1 / 13;}
  .about-rail{display:none;}
  .foot-a,.foot-b{grid-column:1 / 13;}
  .foot-b{margin-top:30px;}
}

@media (max-width:620px){
  :root{--step:50px;--gut:16px;}
  body{font-size:17px;}
  .wrap{padding:0 20px;}
  .hero h1{font-size:32px;}
  .hero h1 .strike{right:6%;}
  h2{font-size:25px;}
  .page-intro h1{font-size:30px;}
  .detail-fig{grid-column:1 / 13;}
  .mark{display:none;}
  .rule::before,.rule::after{width:82%;}
  .contact-box .mail{font-size:18px;word-break:break-word;}
}