/* Plitrepe — folha de estilos comum */

:root {
  --bg: #f4f0e8;
  --bg-alt: #e7e1d5;
  --bg-dark: #20242a;
  --ink: #22201b;
  --ink-soft: #776f62;
  --ink-inv: #f4f0e8;
  --accent: #2c4668;
  --accent-2: #a06a2c;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --gap: 96px;
  --shell: 1180px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.72;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover { text-decoration-thickness: 2px; }

a:focus-visible,
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

/* ---------- Tipografia ---------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  text-transform: none;
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 5.6vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.18;
  margin-bottom: 18px;
}

h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.24rem;
  line-height: 1.32;
  margin: 34px 0 10px;
}

p { margin: 0 0 20px; }
p:last-child { margin-bottom: 0; }

.label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.num {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-2);
}

.lead {
  font-size: 1.06rem;
  color: var(--ink);
}

.caption {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 12px;
}

.rule {
  border: 0;
  border-top: 1px solid var(--accent);
  opacity: 0.45;
  margin: 0;
}

/* ---------- Cabeçalho e navegação ---------- */

.site-head {
  border-bottom: 1px solid var(--accent);
  padding: 22px 0 18px;
}

.head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}

.wordmark:hover { color: var(--accent); }

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Hero ---------- */

.hero { padding: 72px 0 var(--gap); }

.hero-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  align-items: start;
}

.hero-text { grid-column: 1 / span 8; }

.hero-kicker { margin-bottom: 22px; }

.hero-intro {
  grid-column: 1 / span 4;
  margin-top: 40px;
  font-size: 1.04rem;
  color: var(--ink);
}

.hero-intro .meta {
  display: block;
  margin-top: 22px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.hero-figure {
  grid-column: 9 / span 4;
  grid-row: 1 / span 2;
  margin: 0;
  align-self: end;
  max-width: 480px;
  justify-self: end;
}

/* ---------- Secções ---------- */

.band { padding: var(--gap) 0; }
.band-alt { background: var(--bg-alt); }

.band-dark {
  background: var(--bg-dark);
  color: var(--ink-inv);
}

.band-dark h2,
.band-dark h3 { color: var(--ink-inv); }

.band-dark .caption,
.band-dark .label { color: #b7ae9f; }

.band-dark a { color: #a8c2e4; }

.band-dark .rule { border-top-color: #4a5260; opacity: 1; }

.sec-head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  margin-bottom: 30px;
}

.sec-head .num {
  grid-column: 1 / span 1;
  padding-top: 12px;
}

.sec-head .sec-title { grid-column: 2 / span 9; }

/* larguras de coluna alternadas */
.col-left {
  grid-column: 2 / span 6;
  display: grid;
  grid-template-columns: 1fr;
}

.col-mid { grid-column: 3 / span 8; }

.body-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
}

.two-lists {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  row-gap: 8px;
  margin-top: 34px;
}

.two-lists > div:first-child { grid-column: 2 / span 5; }
.two-lists > div:last-child { grid-column: 7 / span 5; }

ul.checks, ol.steps {
  margin: 0 0 20px;
  padding-left: 20px;
}

ul.checks { list-style: none; padding-left: 0; }

ul.checks li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}

ul.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--accent);
}

ol.steps li { margin-bottom: 10px; }
ol.steps li::marker { color: var(--accent-2); }

.band-dark ul.checks li::before { background: #a8c2e4; }

/* secção contrastante com imagem de detalhe */

.detail-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  row-gap: 40px;
  align-items: start;
}

.detail-figure {
  grid-column: 1 / span 4;
  margin: 0;
}

.detail-copy { grid-column: 6 / span 6; }

/* ---------- Páginas interiores ---------- */

.page-head {
  padding: 66px 0 30px;
}

.page-head .num { display: block; margin-bottom: 18px; }

.page-head h1 {
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  max-width: 20ch;
}

.page-head .lead {
  max-width: 54ch;
  margin-top: 26px;
  color: var(--ink-soft);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  padding: 56px 0 var(--gap);
}

.about-marks {
  grid-column: 1 / span 3;
  align-self: start;
}

.about-marks dl { margin: 0; }

.about-marks dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-2);
  padding-top: 14px;
  border-top: 1px solid var(--accent);
}

.about-marks dd {
  margin: 4px 0 18px;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.about-body { grid-column: 6 / span 7; }

.doc {
  grid-column: 3 / span 8;
  padding: 44px 0 var(--gap);
}

.doc h2 { margin-top: 46px; }
.doc h2:first-child { margin-top: 0; }

.contact-box {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--accent);
}

.contact-box p { margin-bottom: 6px; }

/* ---------- Rodapé ---------- */

.site-foot {
  background: var(--bg-dark);
  color: var(--ink-inv);
  padding: 62px 0 46px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 4fr 3fr 3fr;
  column-gap: 32px;
  row-gap: 32px;
  align-items: start;
}

.foot-name {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.1;
  margin: 0 0 12px;
}

.foot-note {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #b7ae9f;
  max-width: 34ch;
}

.foot-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.foot-nav li { margin-bottom: 8px; }

.foot-nav a,
.foot-mail a {
  color: var(--ink-inv);
  text-decoration: none;
  border-bottom: 1px solid #4a5260;
  font-size: 0.95rem;
}

.foot-nav a:hover,
.foot-mail a:hover { border-bottom-color: var(--ink-inv); }

.foot-mail .label { color: #b7ae9f; display: block; margin-bottom: 8px; }

.foot-bottom {
  margin-top: 46px;
  padding-top: 18px;
  border-top: 1px solid #4a5260;
  font-size: 0.85rem;
  color: #b7ae9f;
}

/* ---------- Adaptação a ecrãs menores ---------- */

@media (max-width: 900px) {
  :root { --gap: 68px; }

  .hero-text,
  .hero-intro,
  .hero-figure,
  .col-left,
  .col-mid,
  .detail-figure,
  .detail-copy,
  .about-marks,
  .about-body,
  .doc,
  .sec-head .sec-title,
  .two-lists > div:first-child,
  .two-lists > div:last-child {
    grid-column: 1 / -1;
  }

  .hero-figure {
    grid-row: auto;
    justify-self: start;
    margin-top: 38px;
    max-width: 420px;
  }

  .hero-intro { margin-top: 26px; }

  .sec-head .num {
    grid-column: 1 / -1;
    padding-top: 0;
    margin-bottom: 8px;
  }

  .about-marks { margin-bottom: 38px; }

  .foot-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  :root { --gap: 56px; }

  body { font-size: 16.5px; }

  .shell { padding: 0 18px; }

  .hero { padding: 46px 0 var(--gap); }

  .head-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav ul { gap: 6px 16px; }

  .page-head { padding: 44px 0 22px; }
}