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

:root {
  --paper: #eeece6;
  --paper-2: #dedbd2;
  --night: #1b2430;
  --ink: #1a1a18;
  --ink-2: #6d6a62;
  --ink-night: #eeece6;
  --blue: #2a4f78;
  --ochre: #9a6a1c;
  --guide: #cfcbc0;
  --guide-night: #3a4656;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --beat: 72px;
  --gap: 24px;
  --wrap: 1200px;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
  overflow-x: hidden;
}

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

a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 1px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue);
  color: #fff;
  padding: 8px 14px;
  z-index: 10;
}
.skip:focus { left: 16px; top: 16px; color: #fff; }

/* ---------- Grelha com margem riscada ---------- */

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 32px;
}

.ruled {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  position: relative;
}

/* a linha vertical de 1px que separa o campo esquerdo (3 colunas) */
.ruled::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc((100% - 11 * var(--gap)) / 12 * 3 + 2 * var(--gap) + var(--gap) / 2);
  width: 1px;
  background: var(--blue);
  opacity: .55;
}

.margin { grid-column: 1 / 4; padding-right: 12px; text-align: right; }
.text { grid-column: 4 / 10; padding-left: 12px; }
.wide { grid-column: 4 / 12; padding-left: 12px; }
.text > :first-child,
.wide > :first-child { margin-top: 0; }

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

.site-head { border-bottom: 1px solid var(--guide); }
.site-head .ruled { align-items: center; padding: 18px 0; }
.site-head .ruled::before { opacity: .3; }

.brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .01em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--blue); }

.site-nav { grid-column: 4 / 13; padding-left: 12px; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  font-size: 15px;
}
.site-nav a { color: var(--ink); text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; }
.site-nav a:hover { border-bottom-color: var(--blue); color: var(--blue); }
.site-nav a[aria-current="page"] { border-bottom-color: var(--blue); }

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

h1, h2, h3 { font-family: var(--serif); font-weight: 400; color: var(--ink); }

h1 {
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.06;
  margin: 0;
  position: relative;
  letter-spacing: -.01em;
}

/* inicial do H1 levada para o campo esquerdo, com duas linhas de altura */
h1 .initial {
  position: absolute;
  right: calc(100% + 30px);
  top: .06em;
  font-size: 2.12em;
  line-height: 1;
  color: var(--blue);
}

h2 {
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--guide);
}

h3 {
  font-size: 19px;
  line-height: 1.4;
  margin: 36px 0 6px;
  font-weight: 700;
}

p { margin: 0 0 18px; }

.lede { font-size: 19px; line-height: 1.75; }

.caption,
figcaption {
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-2);
}

.num {
  display: block;
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1;
  color: var(--ochre);
  margin-top: -2px;
}
.num-label { display: block; font-size: 12px; color: var(--ochre); margin-top: 8px; }

.drop {
  display: block;
  font-family: var(--serif);
  font-size: 92px;
  line-height: .9;
  color: var(--blue);
}

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

.hero { padding: var(--beat) 0 0; }
.hero-title { grid-column: 4 / 13; padding-left: 12px; }

.guides {
  grid-column: 4 / 10;
  padding-left: 12px;
  margin-top: 40px;
}
.guides .rule { height: 1px; background: var(--guide); }
.guides p { margin: 20px 0; }
.guides .meta { font-size: 14px; color: var(--ink-2); margin: 10px 0; }

.hero-figure {
  padding: var(--beat) 0;
}
.hero-figure .margin { align-self: end; }
.hero-figure .margin p { margin: 0; }
.hero-figure .frame { grid-column: 6 / 13; }
.hero-figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }

/* ---------- Secções ---------- */

.section { padding: var(--beat) 0; }
.section.alt { background: var(--paper-2); }

.section .margin { padding-top: 4px; }

.inset {
  grid-column: 4 / 12;
  padding-left: 12px;
  margin: 12px 0 24px;
}

.checklist,
.plain-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}
.checklist li,
.plain-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  border-bottom: 1px solid var(--guide);
}
.checklist li:first-child,
.plain-list li:first-child { border-top: 1px solid var(--guide); }
.checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 19px;
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--blue);
}
.plain-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 24px;
  width: 12px;
  height: 1px;
  background: var(--ochre);
}
.alt .checklist li,
.alt .plain-list li { border-color: #c6c1b4; }

ol.steps {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: s;
}
ol.steps li {
  counter-increment: s;
  position: relative;
  padding: 10px 0 10px 40px;
  border-bottom: 1px solid var(--guide);
}
ol.steps li:first-child { border-top: 1px solid var(--guide); }
ol.steps li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: 10px;
  font-family: var(--serif);
  color: var(--ochre);
}

dl.terms { margin: 0 0 18px; }
dl.terms dt { font-weight: 700; margin-top: 14px; }
dl.terms dd { margin: 0 0 8px; padding-left: 0; }

/* tabela das cores de aquecimento */
.table-scroll { overflow-x: auto; margin: 0 0 18px; }
table.heat {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
}
table.heat caption { text-align: left; caption-side: bottom; padding-top: 10px; }
table.heat th,
table.heat td {
  text-align: left;
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--guide);
  vertical-align: top;
}
table.heat thead th { font-weight: 600; border-bottom: 1px solid var(--ink-2); }
.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 1px solid rgba(0,0,0,.25);
}

/* sumário */
.toc { columns: 2; column-gap: 32px; margin: 0; padding: 0; list-style: none; counter-reset: t; }
.toc li { break-inside: avoid; padding: 8px 0; border-bottom: 1px solid #c6c1b4; counter-increment: t; }
.toc li::before { content: counter(t, decimal-leading-zero); color: var(--ochre); font-size: 12px; margin-right: 12px; }

/* ---------- Secção de contraste ---------- */

.night {
  background: var(--night);
  color: var(--ink-night);
  padding: var(--beat) 0;
}
.night .ruled::before { background: #8fb0d6; opacity: .45; }
.night h2 { color: var(--ink-night); border-bottom-color: var(--guide-night); }
.night h3 { color: var(--ink-night); }
.night a { color: #a9c4e4; }
.night .num { color: #c99a4a; }
.night .num-label { color: #c99a4a; }
.night .plain-list li { border-color: var(--guide-night); }
.night .plain-list li::before { background: #c99a4a; }

.night .night-text { grid-column: 4 / 9; padding-left: 12px; }
.night figure { grid-column: 9 / 13; margin: 0; align-self: start; }
.night figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.night figcaption { color: #b9b6ad; margin-top: 10px; }

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

.page-head { padding: var(--beat) 0 calc(var(--beat) / 2); }
.page-head .hero-title h1 { font-size: clamp(34px, 4.6vw, 56px); }
.page-head .guides { margin-top: 32px; }

.block { padding: calc(var(--beat) / 2) 0; }
.block:last-of-type { padding-bottom: var(--beat); }
.block h2.quiet { border-bottom: 0; padding-bottom: 0; font-size: 26px; }

.contact-line {
  font-family: var(--serif);
  font-size: 24px;
  margin: 8px 0 18px;
  word-break: break-word;
}

/* ---------- Rodapé ---------- */

.site-foot {
  background: var(--paper-2);
  border-top: 1px solid var(--guide);
}
.site-foot .wrap { padding-top: 44px; padding-bottom: 44px; }
.foot-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px 40px;
  border-left: 1px solid var(--blue);
  padding-left: 24px;
  align-items: start;
}
.foot-name { font-family: var(--serif); font-size: 24px; margin: 0; }
.foot-about { font-size: 14px; color: var(--ink-2); margin: 4px 0 16px; max-width: 58ch; }
.foot-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
}
.foot-nav li { display: flex; align-items: center; }
.foot-nav li + li::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 14px;
  background: var(--ochre);
  margin: 0 12px;
}
.foot-nav a { color: var(--ink); }
.foot-mail { text-align: right; font-size: 15px; }
.foot-mail span { display: block; font-size: 12px; color: var(--ink-2); }
.foot-note { grid-column: 1 / -1; font-size: 12px; color: var(--ink-2); margin: 0; padding-top: 14px; border-top: 1px solid #c6c1b4; }

/* ---------- Tablet ---------- */

@media (max-width: 1000px) {
  .text { grid-column: 4 / 13; }
  .wide, .inset { grid-column: 4 / 13; }
  .guides { grid-column: 4 / 13; }
  .hero-figure .frame { grid-column: 4 / 13; padding-left: 12px; }
  .hero-figure .margin { grid-column: 1 / 4; }
  .night .night-text { grid-column: 4 / 13; }
  .night figure { grid-column: 4 / 10; padding-left: 12px; margin-top: 32px; }
  .toc { columns: 1; }
}

/* ---------- Telemóvel ---------- */

@media (max-width: 760px) {
  :root { --beat: 44px; --gap: 0px; }
  body { font-size: 16.5px; }
  .wrap { padding: 0 16px; }

  .ruled { grid-template-columns: minmax(0, 1fr); border-left: 1px solid rgba(42, 79, 120, .55); padding-left: 16px; }
  .ruled::before { display: none; }
  .night .ruled { border-left-color: rgba(143, 176, 214, .45); }
  .site-head .ruled { border-left: 0; padding-left: 0; }

  .margin,
  .text,
  .wide,
  .inset,
  .guides,
  .hero-title,
  .site-nav,
  .hero-figure .frame,
  .hero-figure .margin,
  .night .night-text,
  .night figure { grid-column: 1 / -1; padding-left: 0; padding-right: 0; text-align: left; }

  .site-nav { margin-top: 8px; }
  .site-nav ul { gap: 2px 16px; font-size: 14.5px; }

  h1 .initial {
    position: static;
    float: left;
    font-size: 2.1em;
    line-height: .92;
    margin: 0 10px 0 0;
  }
  h2 { font-size: 25px; }

  .section .margin { margin-bottom: 14px; display: flex; align-items: baseline; gap: 12px; }
  .num { font-size: 32px; }
  .num-label { margin-top: 0; }
  .drop { font-size: 56px; margin-bottom: 6px; }

  .hero-figure .margin { order: 2; margin-top: 10px; }
  .hero-figure .frame { order: 1; }
  .night figure { margin-top: 24px; max-width: 420px; }

  .foot-grid { grid-template-columns: minmax(0, 1fr); padding-left: 16px; }
  .foot-mail { text-align: left; }
  .contact-line { font-size: 20px; }
}

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