@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(assets/fonts/playfair-700-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(assets/fonts/playfair-700-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(assets/fonts/sourcesans-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(assets/fonts/sourcesans-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --turquesa: #00a4a6;
  --turquesa-fundo: #006b6d;
  --carvao: #121212;
  --cinza: #4d5354;
  --folha: #ffffff;
  --tenue: #f1f7f7;
  --serifa: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --linear: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  --largura: 1120px;
  --respiro: clamp(3.5rem, 8vw, 6.75rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--folha);
  color: var(--carvao);
  font-family: var(--linear);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0.005em;
}

h1,
h2,
h3 {
  font-family: var(--serifa);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.005em;
  margin: 0;
}

h1 {
  font-size: clamp(2.15rem, 5.4vw, 3.55rem);
}

h2 {
  font-size: clamp(1.72rem, 3.7vw, 2.55rem);
}

h3 {
  font-size: clamp(1.2rem, 2.1vw, 1.45rem);
  line-height: 1.24;
}

p {
  margin: 0 0 1.05rem;
  max-width: 36em;
}

ul {
  margin: 0 0 1.05rem;
  padding: 0 0 0 1.15rem;
}

li {
  margin: 0 0 0.55rem;
  max-width: 38em;
}

a {
  color: var(--turquesa-fundo);
}

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

.ec3-invisivel {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.ec3-atalho {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 90;
  background: var(--carvao);
  color: var(--folha);
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
}

.ec3-atalho:focus {
  left: 1rem;
  top: 1rem;
}

.ec3-limite {
  width: 100%;
  max-width: var(--largura);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.ec3-seta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  min-height: 48px;
  padding: 0.72rem 1.7rem;
  border: 2px solid var(--turquesa);
  border-radius: 999px;
  font-family: var(--linear);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  background: none;
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease;
}

.ec3-seta::after {
  content: "";
  position: absolute;
  inset: -2px;
  border: 2px solid var(--turquesa);
  border-radius: 999px;
  transform: translate(4px, 4px);
  transition: transform 0.18s ease;
  pointer-events: none;
}

.ec3-seta--solida {
  background: var(--turquesa);
  color: var(--carvao);
}

.ec3-seta--vazia {
  background: var(--folha);
  color: var(--turquesa-fundo);
}

.ec3-seta:hover {
  transform: translate(4px, 4px);
}

.ec3-seta:hover::after {
  transform: translate(0, 0);
}

.ec3-seta--vazia:hover {
  background: var(--tenue);
  color: var(--carvao);
}

.ec3-seta--solida:hover {
  background: var(--turquesa-fundo);
  color: var(--folha);
}

.ec3-seta:active {
  transform: translate(4px, 4px) scale(0.985);
}

.ec3-seta:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--turquesa-fundo);
  outline-offset: 3px;
}

.ec3-navegacao {
  position: relative;
  z-index: 40;
  background: var(--folha);
}

.ec3-navegacao__caixa {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 82px;
}

.ec3-navegacao__marca {
  font-family: var(--linear);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--carvao);
  white-space: nowrap;
}

.ec3-navegacao__marca span {
  color: var(--turquesa-fundo);
}

.ec3-navegacao__lista {
  display: flex;
  align-items: center;
  gap: 1.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ec3-navegacao__lista li {
  margin: 0;
}

.ec3-navegacao__ligacao {
  display: inline-block;
  padding: 0.4rem 0;
  font-size: 0.97rem;
  color: var(--carvao);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.ec3-navegacao__ligacao:hover {
  border-bottom-color: var(--turquesa);
}

.ec3-navegacao__botao {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 2px solid var(--turquesa);
  border-radius: 999px;
  background: var(--folha);
  color: var(--carvao);
  cursor: pointer;
}

.ec3-navegacao__botao svg {
  width: 20px;
  height: 20px;
}

.ec3-fecho {
  background: var(--carvao);
  color: var(--folha);
  padding: clamp(2.75rem, 5vw, 4rem) 0 2.25rem;
}

.ec3-fecho a {
  color: var(--folha);
}

.ec3-fecho__grelha {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.25rem;
}

.ec3-fecho__marca {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}

.ec3-fecho__marca span {
  color: var(--turquesa);
}

.ec3-fecho__titulo {
  font-family: var(--linear);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9fb2b3;
  margin: 0 0 0.9rem;
}

.ec3-fecho__lista {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.98rem;
}

.ec3-fecho__lista li {
  margin-bottom: 0.55rem;
}

.ec3-fecho__nota {
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: #b6c4c5;
  max-width: 52em;
}

.ec3-topo {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 45;
  width: 52px;
  height: 52px;
  min-height: 52px;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.18s ease;
}

.ec3-topo svg {
  width: 18px;
  height: 18px;
}

.ec3-topo.esta-visivel {
  opacity: 1;
  visibility: visible;
}

.tem-aviso .ec3-topo {
  bottom: 9.5rem;
}

.ec3-aviso {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: var(--tenue);
  border-top: 3px solid var(--turquesa);
  padding: 1.15rem 0;
}

.ec3-aviso__caixa {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.ec3-aviso__texto {
  margin: 0;
  max-width: 46em;
  font-size: 0.92rem;
  line-height: 1.55;
}

.ec3-aviso__texto a {
  text-decoration: underline;
}

.ec3-aviso__acoes {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.ec3-aviso .ec3-seta {
  font-size: 0.9rem;
  padding: 0.6rem 1.35rem;
}

.ec3-aviso .ec3-seta--vazia {
  background: var(--tenue);
}

/* -- página inicial -- */

.ec3-abertura {
  padding: clamp(2.25rem, 5vw, 4.25rem) 0 var(--respiro);
}

.ec3-abertura__grelha {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: clamp(2rem, 5vw, 4.25rem);
  align-items: center;
}

.ec3-abertura__sobrancelha {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--turquesa-fundo);
  margin: 0 0 1.15rem;
}

.ec3-abertura__linha {
  font-size: clamp(1.02rem, 1.7vw, 1.16rem);
  color: var(--cinza);
  margin-top: 1.35rem;
  max-width: 30em;
}

.ec3-abertura__preco {
  margin: 1.9rem 0 2.1rem;
  padding-left: 1.1rem;
  border-left: 3px solid var(--turquesa);
}

.ec3-abertura__preco strong {
  display: block;
  font-size: 1.08rem;
  font-weight: 600;
}

.ec3-abertura__preco span {
  display: block;
  font-size: 0.94rem;
  color: var(--cinza);
}

.ec3-abertura__acoes {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}

.ec3-abertura__salto {
  font-size: 0.98rem;
  color: var(--turquesa-fundo);
  text-decoration: none;
  border-bottom: 2px solid var(--turquesa);
  padding-bottom: 2px;
}

.ec3-abertura__salto:hover {
  color: var(--carvao);
  border-bottom-color: var(--carvao);
}

.ec3-abertura__figura {
  margin: 0;
}

.ec3-abertura__imagem-principal {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px 56px 14px 56px;
}

.ec3-sobre {
  background: var(--tenue);
  padding: var(--respiro) 0;
}

.ec3-sobre__grelha {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.ec3-sobre__figura {
  margin: 0;
}

.ec3-sobre__figura img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 48px 14px 48px 14px;
}

.ec3-sobre__legenda {
  margin-top: 0.85rem;
  font-size: 0.86rem;
  color: var(--cinza);
  max-width: 26em;
}

.ec3-sobre__titulo {
  margin-bottom: 1.4rem;
}

.ec3-sobre__lista {
  list-style: none;
  padding: 0;
  margin: 1.9rem 0 0;
}

.ec3-sobre__lista li {
  position: relative;
  padding-left: 2.1rem;
  margin-bottom: 1.05rem;
  max-width: 34em;
}

.ec3-sobre__lista li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 22px;
  height: 6px;
  border-radius: 999px;
  background: var(--turquesa);
}

.ec3-quadro {
  padding: var(--respiro) 0 clamp(2rem, 4vw, 3rem);
}

.ec3-quadro__titulo {
  margin-bottom: 2.6rem;
}

.ec3-quadro__grelha {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.ec3-quadro__grelha h3,
.ec3-contactos__grelha h3 {
  margin-bottom: 1rem;
}

.ec3-quadro__ficha {
  list-style: none;
  padding: 0;
  margin: 1.7rem 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.6rem;
  max-width: 34em;
}

.ec3-quadro__ficha li {
  margin: 0;
}

.ec3-quadro__rotulo {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cinza);
  margin-bottom: 0.15rem;
}

.ec3-quadro__valor {
  display: block;
  font-size: 1.02rem;
}

.ec3-quadro__ficha + p {
  margin-top: 1.9rem;
}

.ec3-quadro__painel {
  background: var(--tenue);
  border-radius: 24px 110px 24px 110px;
  padding: clamp(2rem, 4vw, 3.25rem);
  text-align: center;
}

.ec3-quadro__painel img {
  width: 176px;
  height: 176px;
  margin: 0 auto;
  border-radius: 38px;
}

.ec3-quadro__legenda {
  margin: 1.4rem auto 0;
  font-size: 0.9rem;
  color: var(--cinza);
  max-width: 20em;
}

.ec3-quadro__origem {
  margin-top: 1.5rem;
  font-size: 0.94rem;
  color: var(--cinza);
}

.ec3-fita {
  padding: clamp(2rem, 4vw, 3rem) 0 var(--respiro);
}

.ec3-fita__bloco {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 4.5vw, 3.75rem);
  align-items: center;
  margin-bottom: clamp(2.75rem, 6vw, 4.75rem);
}

.ec3-fita__bloco:last-child {
  margin-bottom: 0;
}


.ec3-fita__telas {
  display: grid;
  gap: 0.9rem;
}

.ec3-fita__telas img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
}

.ec3-fita__titulo {
  margin-bottom: 0.9rem;
}

.ec3-fita__nota {
  font-size: 0.92rem;
  color: var(--cinza);
}

.ec3-modos {
  padding: 0 0 var(--respiro);
}

.ec3-modos__faixa {
  width: 100%;
  max-width: 680px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 18px 18px 68px 18px;
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}

.ec3-modos__titulo {
  margin-bottom: 1.15rem;
}

.ec3-modos__envolucro {
  overflow-x: auto;
  margin-top: 2.1rem;
}

.ec3-modos__envolucro:focus-visible {
  outline: 3px solid var(--turquesa-fundo);
  outline-offset: 4px;
}

.ec3-modos table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.98rem;
}

.ec3-modos caption {
  text-align: left;
  font-size: 0.86rem;
  color: var(--cinza);
  padding-bottom: 0.9rem;
}

.ec3-modos th,
.ec3-modos td {
  text-align: left;
  padding: 0.95rem 1.05rem;
  vertical-align: top;
}

.ec3-modos thead th {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--carvao);
  border-bottom: 2px solid var(--turquesa);
}

.ec3-modos tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.ec3-modos tbody tr:nth-child(odd) {
  background: var(--tenue);
}

.ec3-modos__legenda {
  margin-top: 1.35rem;
  font-size: 0.92rem;
  color: var(--cinza);
  max-width: 44em;
}

.ec3-contactos {
  background: var(--tenue);
  padding: var(--respiro) 0;
}

.ec3-contactos__grelha {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.ec3-contactos__titulo {
  margin-bottom: 1.35rem;
}

.ec3-contactos__correio {
  font-family: var(--serifa);
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  word-break: break-word;
}

.ec3-contactos__correio a {
  color: var(--carvao);
  text-decoration: none;
  border-bottom: 3px solid var(--turquesa);
}

.ec3-contactos__correio a:hover {
  color: var(--turquesa-fundo);
}

.ec3-contactos__ficha {
  margin: 1.9rem 0 0;
  font-size: 0.98rem;
  line-height: 1.6;
  font-style: normal;
  color: var(--cinza);
}

.ec3-contactos__ficha strong {
  display: block;
  color: var(--carvao);
  font-weight: 600;
}

/* -- páginas legais -- */

.ec3-legal {
  padding: clamp(2.5rem, 5vw, 4rem) 0 var(--respiro);
}

.ec3-legal__cabeca {
  max-width: 44em;
  margin-bottom: 2.6rem;
}

.ec3-legal__data {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--turquesa-fundo);
  margin: 0 0 1.05rem;
}

.ec3-legal__resumo {
  font-size: 1.08rem;
  color: var(--cinza);
  max-width: 40em;
  margin-top: 1.15rem;
}

.ec3-legal__corpo {
  max-width: 46em;
}

.ec3-legal__corpo h2 {
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  margin: 2.9rem 0 0.95rem;
}

.ec3-legal__corpo h3 {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  margin: 1.9rem 0 0.7rem;
}

.ec3-legal__corpo ul {
  padding-left: 1.25rem;
}

.ec3-legal__tabela {
  overflow-x: auto;
  margin: 1.6rem 0 1.2rem;
}

.ec3-legal__tabela table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.ec3-legal__tabela caption {
  text-align: left;
  font-size: 0.86rem;
  color: var(--cinza);
  padding-bottom: 0.85rem;
}

.ec3-legal__tabela th,
.ec3-legal__tabela td {
  text-align: left;
  padding: 0.85rem 0.95rem;
  vertical-align: top;
}

.ec3-legal__tabela thead th {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--turquesa);
}

.ec3-legal__tabela tbody tr:nth-child(odd) {
  background: var(--tenue);
}

.ec3-erro {
  padding: clamp(4rem, 12vw, 9rem) 0;
  text-align: center;
}

.ec3-erro p {
  margin-left: auto;
  margin-right: auto;
}

.ec3-erro__codigo {
  font-family: var(--serifa);
  font-size: clamp(3.5rem, 12vw, 6.5rem);
  line-height: 1;
  color: var(--turquesa);
  margin-bottom: 0.6rem;
}

.ec3-erro__acoes {
  margin-top: 2.1rem;
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .ec3-navegacao__botao {
    display: inline-flex;
  }

  .ec3-navegacao__lista {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.5rem 1.5rem;
    background: var(--folha);
    border-bottom: 3px solid var(--turquesa);
  }

  .ec3-navegacao__lista.ec3-painel-on {
    display: flex;
  }

  .ec3-navegacao__lista li {
    padding: 0.35rem 0;
  }

  .ec3-navegacao__lista .ec3-seta {
    margin-top: 0.85rem;
    align-self: flex-start;
  }

  .ec3-abertura__grelha,
  .ec3-sobre__grelha,
  .ec3-quadro__grelha,
  .ec3-fita__bloco,
  .ec3-contactos__grelha {
    grid-template-columns: 1fr;
  }

  .ec3-abertura__figura,
  .ec3-quadro__painel,
  .ec3-sobre__figura {
    order: -1;
  }

  .ec3-fita__telas {
    order: -1;
  }

  .ec3-fecho__grelha {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 1.02rem;
  }

  .ec3-abertura__imagem-principal {
    border-radius: 12px 34px 12px 34px;
  }

  .ec3-sobre__figura img {
    border-radius: 34px 12px 34px 12px;
  }

  .ec3-modos__faixa {
    border-radius: 14px 14px 34px 14px;
  }

  .ec3-quadro__painel {
    border-radius: 18px 62px 18px 62px;
  }

  .ec3-quadro__ficha {
    grid-template-columns: 1fr;
  }

  .ec3-fecho__grelha {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .ec3-aviso__acoes {
    width: 100%;
  }

  .ec3-aviso .ec3-seta {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ec3-seta,
  .ec3-seta::after,
  .ec3-topo {
    transition: none;
  }
}