/* =========================================================
   BANCADA — sistema de design
   Paleta: papel de oficina + tinta blueprint + faísca de solda
   ========================================================= */

:root {
  --paper: #E9E5DC;       /* papel de oficina, levemente acinzentado */
  --paper-card: #F5F3EE;  /* cartão / superfície elevada */
  --ink: #202B33;         /* tinta blueprint quase-preta */
  --steel: #5B6770;       /* texto secundário, cinza aço */
  --steel-light: #96A0A6; /* texto terciário */
  --spark: #D8481E;       /* laranja-faísca, acento principal */
  --spark-dim: #B23C18;   /* faísca em hover/pressed */
  --rust: #8C4A2F;        /* linhas, bordas, detalhes */
  --line: #C9C3B6;        /* linhas de divisão sutis sobre o papel */

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--spark); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--spark);
  outline-offset: 2px;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 3px solid var(--ink);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ink);
}

.logo:hover { text-decoration: none; }

.logo .dot { color: var(--spark); }

.nav-list {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-list a { color: var(--ink); }
.nav-list a:hover { color: var(--spark); text-decoration: none; }

/* ---------- Hero / measuring line signature ---------- */

.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--rust);
  margin-bottom: 10px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.02;
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.hero p.lede {
  font-family: var(--font-body);
  font-size: 1.2rem;
  color: var(--steel);
  max-width: 46ch;
  margin: 0;
}

/* régua de medição — elemento de assinatura */
.ruler {
  margin-top: 32px;
  height: 22px;
  background-image: repeating-linear-gradient(
    to right,
    var(--ink) 0,
    var(--ink) 1px,
    transparent 1px,
    transparent 40px
  );
  background-position: bottom left;
  background-size: 100% 2px;
  background-repeat: no-repeat, repeat-x;
  position: relative;
}

.ruler::before {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--ink);
}

.ruler span.tick {
  position: absolute;
  bottom: 0;
  width: 1px;
  height: 10px;
  background: var(--ink);
}

/* ---------- Article grid ---------- */

.section {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 12px;
  margin-bottom: 32px;
}

.section-head h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  margin: 0;
}

.section-head .count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--steel);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 860px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--rust);
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--spark);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-transform: uppercase;
  margin: 0;
  line-height: 1.15;
}

.card p {
  color: var(--steel);
  font-size: 0.98rem;
  margin: 0;
  flex-grow: 1;
}

.card .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel-light);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  margin-top: 4px;
}

.card a.card-link {
  color: var(--ink);
  text-decoration: none;
}
.card a.card-link:hover h3 { color: var(--spark); }

/* ---------- Article page ---------- */

.article-head {
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

.article-head h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  line-height: 1.08;
  margin: 14px 0;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.article-body {
  padding: 40px 0 20px;
  max-width: 70ch;
}

.article-body h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  margin-top: 2.2em;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  margin-top: 1.8em;
}

.article-body p { margin: 1.1em 0; }

.article-body ul, .article-body ol {
  padding-left: 1.3em;
}
.article-body li { margin: 0.5em 0; }

.callout {
  background: var(--paper-card);
  border-left: 4px solid var(--spark);
  padding: 16px 20px;
  margin: 1.8em 0;
  font-size: 0.95rem;
}

.callout strong { color: var(--spark-dim); }

.disclosure {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--steel);
  border: 1px dashed var(--line);
  padding: 14px 16px;
  margin: 2em 0;
}

/* ---------- Static pages (sobre, privacidade, termos, contato) ---------- */

.page-body {
  padding: 48px 0 64px;
  max-width: 70ch;
}

.page-body h1 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 0.6em;
}

.page-body h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  margin-top: 2em;
}

.page-body p, .page-body li { color: var(--ink); }
.page-body .updated {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
  margin-bottom: 2em;
}

/* ---------- Ad slots ---------- */

.ad-slot {
  background: var(--paper-card);
  border: 1px dashed var(--line);
  color: var(--steel-light);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 28px 12px;
  margin: 2.5em 0;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 3px solid var(--ink);
  margin-top: 40px;
  padding: 36px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 18px;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.footer-links a { color: var(--steel); }
.footer-links a:hover { color: var(--spark); }

@media (max-width: 640px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; gap: 12px; }
  .nav-list { flex-wrap: wrap; gap: 16px; }
}