/* Prokunto — folha de estilo comum a todas as páginas */

:root {
  --paper: #f4f0e8;
  --paper-alt: #e7e1d5;
  --ink: #22201b;
  --ink-soft: #776f62;
  --dark: #20242a;
  --blue: #2c4668;
  --ochre: #a06a2c;
  --rule: #cfc7b7;
  --rule-dark: #3a3f47;

  --sans: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --gap: 24px;
  --pad: 32px;
  --rhythm: 88px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

/* ---------- grelha ---------- */

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

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

/* ---------- perfurações ---------- */

.perf {
  height: 14px;
  background-image: repeating-linear-gradient(
    to right,
    var(--rule) 0 10px,
    transparent 10px 26px
  );
  background-size: auto 6px;
  background-repeat: repeat-x;
  background-position: 0 50%;
}

.perf--dark {
  background-image: repeating-linear-gradient(
    to right,
    #5a616b 0 10px,
    transparent 10px 26px
  );
}

/* ---------- cabeçalho ---------- */

.site-head { padding-top: 22px; }

.site-head__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
  padding-bottom: 16px;
}

.brand {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.brand span {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--ochre);
  margin-top: 2px;
}

.nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav a {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  padding: 4px 0 3px;
  border-bottom: 2px solid transparent;
}

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

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

.hero { padding: 54px 0 var(--rhythm); }

.hero__rail {
  grid-column: 1 / span 2;
  border-right: 1px solid var(--rule);
  padding-right: 16px;
}

.rail-item {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  padding: 9px 0;
  border-bottom: 1px solid var(--rule);
}

.rail-item:last-child { border-bottom: 0; }

.rail-item::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  background: var(--ochre);
}

.rail-item:nth-child(even)::before { background: var(--blue); }

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

h1 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(2.3rem, 5.4vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 26px;
  max-width: 16ch;
}

.hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 1.12rem;
}

.hero__meta {
  grid-column: 3 / span 8;
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ochre);
}

.hero__figure {
  grid-column: 6 / span 7;
  justify-self: end;
  margin: 48px 0 0;
  max-width: 620px;
}

.hero__figure img {
  border: 2px solid var(--ink);
  width: 100%;
}

figcaption {
  font-family: var(--sans);
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--ink-soft);
  margin-top: 9px;
  text-align: right;
}

/* ---------- secções ---------- */

.scene { padding: var(--rhythm) 0; }
.scene--alt { background: var(--paper-alt); }

.scene--dark {
  background: var(--dark);
  color: var(--paper);
}

.scene--dark h2,
.scene--dark h3 { color: var(--paper); }
.scene--dark a { color: #a9c1e4; }
.scene--dark .scene__no { color: #c79a5e; }
.scene--dark .scene__rule { background: var(--rule-dark); }
.scene--dark figcaption { color: #a49b8c; }
.scene--dark .check li::before { background: #c79a5e; }

.scene__no {
  grid-column: 1 / span 2;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--ochre);
  padding-top: 8px;
}

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

.scene__rule {
  grid-column: 1 / -1;
  height: 1px;
  background: var(--rule);
  margin: 14px 0 26px;
}

h2 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(1.55rem, 2.9vw, 2.25rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0;
  max-width: 22ch;
}

h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 30px 0 8px;
}

.body { grid-column: 3 / span 7; }
.body p { margin: 0 0 20px; }
.body p:last-child { margin-bottom: 0; }

.wide { grid-column: 3 / span 9; }

.aside-note {
  grid-column: 11 / span 2;
  font-family: var(--sans);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--ink-soft);
  border-left: 2px solid var(--ochre);
  padding-left: 12px;
}

/* ---------- listas ---------- */

.check {
  grid-column: 3 / span 9;
  columns: 2;
  column-gap: 40px;
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.check li {
  break-inside: avoid;
  position: relative;
  padding-left: 22px;
  margin-bottom: 14px;
  font-size: 0.98rem;
}

.check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--blue);
}

.plain {
  grid-column: 3 / span 7;
  margin: 6px 0 0;
  padding-left: 20px;
}

.plain li { margin-bottom: 12px; }

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

.detail__figure {
  grid-column: 2 / span 4;
  margin: 0;
}

.detail__figure img {
  width: 100%;
  border: 2px solid #4a515b;
}

.detail__figure figcaption { text-align: left; }

.detail__text { grid-column: 7 / span 6; }
.detail__text p { margin: 0 0 20px; }
.detail__text p:last-child { margin-bottom: 0; }

/* ---------- blocos numerados (Sobre) ---------- */

.steps { padding-top: 8px; }

.step {
  border-top: 1px solid var(--rule);
  padding: 26px 0;
}

.step:last-of-type { border-bottom: 1px solid var(--rule); }

.step__no {
  grid-column: 1 / span 2;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--ochre);
  padding-top: 6px;
}

.step__body { grid-column: 3 / span 7; }
.step__body h2 { font-size: 1.3rem; margin-bottom: 10px; }
.step__body p { margin: 0 0 16px; }
.step__body p:last-child { margin-bottom: 0; }

/* ---------- páginas de texto ---------- */

.page-head { padding: 48px 0 10px; }
.page-head h1 { max-width: 20ch; font-size: clamp(2rem, 4.4vw, 3.1rem); }

.page-head p {
  grid-column: 3 / span 7;
  color: var(--ink-soft);
  margin: 18px 0 0;
  max-width: 56ch;
}

.doc { padding: 34px 0 var(--rhythm); }
.doc h2 { font-size: 1.32rem; margin: 0 0 10px; max-width: 30ch; }
.doc h3 { font-size: 1rem; }
.doc p { margin: 0 0 18px; }
.doc p:last-child { margin-bottom: 0; }
.doc .block { margin-bottom: 44px; }
.doc .block:last-child { margin-bottom: 0; }

.contact-line {
  grid-column: 3 / span 7;
  margin-top: 26px;
  padding: 18px 20px;
  background: var(--paper-alt);
  border-left: 3px solid var(--blue);
  font-size: 1rem;
}

.contact-line strong {
  font-family: var(--sans);
  display: block;
  margin-bottom: 2px;
}

/* ---------- rodapé ---------- */

.site-foot {
  background: var(--dark);
  color: var(--paper);
  padding-bottom: 42px;
}

.site-foot .perf { margin-bottom: 40px; }

.foot-grid {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 34px var(--gap);
}

.foot-brand {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}

.foot-note {
  margin: 0;
  max-width: 44ch;
  font-size: 0.95rem;
  color: #b9b1a3;
}

.foot-nav ul {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.foot-nav a {
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid #5a616b;
  padding-bottom: 2px;
}

.foot-nav a:hover { border-bottom-color: var(--paper); }

.foot-mail {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.86rem;
}

.foot-mail a { color: #a9c1e4; }

.foot-legal {
  margin: 34px 0 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: #8a8375;
}

.site-foot :focus-visible { outline-color: #a9c1e4; }

/* ---------- adaptação ---------- */

@media (max-width: 1000px) {
  .hero__figure { grid-column: 4 / span 9; }
  .detail__figure { grid-column: 1 / span 5; }
  .detail__text { grid-column: 7 / span 6; }
}

@media (max-width: 820px) {
  :root { --rhythm: 52px; --pad: 22px; --gap: 18px; }

  body { font-size: 17px; }

  .hero { padding: 30px 0 var(--rhythm); }

  .hero__rail {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
    padding: 0 0 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 0 18px;
    margin-bottom: 22px;
  }

  .rail-item { border-bottom: 0; padding: 4px 0; }

  .hero__text,
  .hero__meta,
  .scene__head,
  .body,
  .wide,
  .check,
  .plain,
  .aside-note,
  .step__body,
  .detail__text,
  .contact-line,
  .page-head p { grid-column: 1 / -1; }

  .hero__figure {
    grid-column: 1 / -1;
    justify-self: stretch;
    margin-top: 30px;
    max-width: 100%;
  }

  figcaption { text-align: left; }

  .scene__no,
  .step__no { grid-column: 1 / -1; padding-top: 0; }

  .scene__rule { margin: 8px 0 18px; }

  .detail__figure {
    grid-column: 1 / -1;
    max-width: 420px;
    margin-bottom: 26px;
  }

  .check { columns: 1; }

  .aside-note { border-left: 0; border-top: 2px solid var(--ochre); padding: 12px 0 0; margin-top: 8px; }

  .page-head { padding: 28px 0 6px; }

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

@media (max-width: 480px) {
  .nav ul { gap: 4px 16px; }
  .nav a { font-size: 0.86rem; }
}