/* ===================================================================
   AS - Análise Setorial
   Estética: dossiê / publicação econômica.
   Mobile-first: estilos base = celular; media queries ampliam.
   Tipos: IBM Plex Serif (títulos) + Sans (texto) + Mono (rótulos).
   Cores: marfim, tinta quase-preta e azul de marca #1820A0 (único acento).
   =================================================================== */

:root {
  --ink:        #16181d;   /* texto / quase preto */
  --ink-soft:   #4a4d56;   /* texto secundário */
  --paper:      #f4f1ea;   /* fundo marfim */
  --paper-2:    #efece3;   /* alternância sutil */
  --accent:     #1820a0;   /* azul da marca */
  --accent-ink: #11167a;   /* azul escuro p/ hover */
  --rule:       rgba(22, 24, 29, 0.16);  /* fios de 1px */
  --rule-soft:  rgba(22, 24, 29, 0.09);
  --wrap:       1080px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;            /* trava rolagem lateral acidental */
}

a { color: inherit; }

img { max-width: 100%; }

/* acessibilidade: link que aparece ao tabular (pula direto p/ o conteúdo) */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  text-decoration: none;
}
.skip-link:focus { left: 12px; top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 22px; }

/* fio horizontal reutilizável */
.rule { height: 1px; background: var(--rule); width: 100%; }

/* rótulo mono numerado (índice de relatório) */
.label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 18px;
}

/* ============================ MASTHEAD ============================ */
.masthead {
  position: sticky; top: 0; z-index: 40;
  background: var(--paper);          /* opaco: sem backdrop-filter (rolagem leve) */
}
.masthead-in {
  display: flex; align-items: center; gap: 16px;
  height: 62px;
}
.brand-mark { height: 26px; width: auto; display: block; }
.nav { display: none; }            /* escondido no mobile */
.orc-link {
  margin-left: auto;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  padding: 9px 14px;
  white-space: nowrap;
  transition: background .18s, color .18s;
}
.orc-link:hover { background: var(--ink); color: var(--paper); }
.rule-top { background: var(--ink); height: 2px; }

/* ============================== HERO ============================== */
.opening { padding: 44px 22px 52px; }
.edition {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}
.display {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-weight: 500;
  font-size: clamp(2rem, 9vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 26px;
  max-width: 16ch;
}
.display em { font-style: italic; color: var(--accent); font-weight: 500; }
.lede {
  font-size: 1.06rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 30px;
}

.opening-actions { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }

.btn-solid {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border: 1px solid var(--accent);
  transition: background .18s, transform .18s;
}
.btn-solid:hover { background: var(--accent-ink); }
.btn-text {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem; letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}
.btn-text span { transition: margin-left .18s; }
.btn-text:hover span { margin-left: 5px; }

/* lista de especificação (parece ficha técnica) */
.spec {
  margin: 46px 0 0;
  border-top: 1px solid var(--rule);
}
.spec > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule-soft);
}
.spec dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
}
.spec dd { margin: 0; font-weight: 500; }

/* ============================= BLOCOS ============================= */
.block { padding: 56px 22px; }
.block-rule { border-top: 1px solid var(--rule); }
.block-head { margin-bottom: 34px; }
.head {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-weight: 500;
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  max-width: 22ch;
}
.block-lede { color: var(--ink-soft); max-width: 54ch; margin: 18px 0 0; }

/* índice numerado de serviços (cara de sumário) */
.index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.index-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  transition: padding-left .18s, background .18s;
}
.idx-no {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: var(--accent);
  padding-top: 6px;
}
.idx-body h3 {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-weight: 500; font-size: 1.22rem; margin: 0 0 6px;
}
.idx-body p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.index-row:hover { padding-left: 10px; }

/* corpo da Análise Setorial */
.setorial-body { max-width: 60ch; }
.setorial-body p {
  margin: 0 0 18px;
  font-size: clamp(1.05rem, 3.4vw, 1.25rem);
  line-height: 1.62;
}
.setorial-body p:first-child { color: var(--ink); }
.setorial-body p:last-child { margin-bottom: 0; color: var(--ink-soft); }

/* setores: lista com fios, não pílulas */
.sectors {
  list-style: none; margin: 0; padding: 0;
  border-top: 1px solid var(--ink);
}
.sectors li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 1.04rem;
  display: flex; align-items: center; gap: 12px;
}
.sectors li::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  flex: none;
}
.sectors-note {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem; letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 16px 0 0;
}

/* clientes: tipografia, sem caixas */
.clients {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
}
.clients li {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(1.3rem, 6.2vw, 2.6rem);
  font-weight: 500;
  line-height: 1.15;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  overflow-wrap: break-word;
}
.clients li:first-child { border-top: 1px solid var(--ink); }

/* ============================== FAQ ============================== */
.faq { margin: 0; }
.faq-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.faq-item:first-child { border-top: 1px solid var(--ink); }
.faq dt {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(1.1rem, 4.6vw, 1.45rem);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 8px;
}
.faq dd {
  margin: 0;
  color: var(--ink-soft);
  max-width: 60ch;
  line-height: 1.6;
}

/* ============================ CONTATO ============================ */
.contact { background: var(--ink); color: var(--paper); }
.contact-in { padding: 60px 22px; }
.label-inv { color: #9aa0e8; }
.contact-head {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-weight: 500;
  font-size: clamp(1.8rem, 8vw, 3rem);
  line-height: 1.1; letter-spacing: -0.015em;
  margin: 0 0 14px; max-width: 18ch;
}
.contact-lede { color: #c4c6d4; margin: 0 0 30px; max-width: 46ch; }
.btn-on-dark { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-on-dark:hover { background: #fff; color: var(--ink); }
.contact-spec {
  margin: 42px 0 0;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.contact-spec > div {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.contact-spec dt {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: #9aa0e8; margin-bottom: 3px;
}
.contact-spec dd { margin: 0; }
.contact-spec a { color: var(--paper); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.4); }
.contact-spec a:hover { border-bottom-color: var(--paper); }

/* ============================= FOOTER ============================= */
.foot { background: #0c0d12; color: #b7b9c6; }
.foot-in { padding: 36px 22px; display: flex; flex-direction: column; gap: 22px; }
.foot-mark { height: 30px; width: auto; }
.foot-meta p { margin: 2px 0; font-size: 0.9rem; }
.foot-name { color: #fff; font-weight: 600; }
.foot-copy {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem; color: #6f7180 !important; margin-top: 12px !important;
}

/* ===================================================================
   >= 720px  (tablet)
   =================================================================== */
@media (min-width: 720px) {
  body { font-size: 17px; }
  .nav {
    display: flex; gap: 26px; margin-left: 40px;
    font-family: "IBM Plex Mono", monospace;
    font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase;
  }
  .nav a { text-decoration: none; color: var(--ink-soft); padding-bottom: 3px; }
  .nav a:hover { color: var(--accent); border-bottom: 1px solid var(--accent); }

  .opening { padding: 70px 22px 76px; }
  .opening-actions { flex-direction: row; align-items: center; gap: 26px; }

  .spec { display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; }
  .spec > div { grid-template-columns: 120px 1fr; align-items: baseline; gap: 16px; }

  .block { padding: 80px 22px; }

  .index-row { grid-template-columns: 56px 1fr; gap: 24px; }
  .idx-body h3 { font-size: 1.4rem; }

  /* setores em duas colunas */
  .sectors { display: grid; grid-template-columns: 1fr 1fr; column-gap: 44px; }

  .contact-in { padding: 96px 22px; }
  .contact-spec { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; }

  .foot-in { flex-direction: row; align-items: center; justify-content: space-between; padding: 44px 22px; }
  .foot-meta { text-align: right; }
}

/* ===================================================================
   >= 1024px  (desktop) - layout editorial em colunas
   =================================================================== */
@media (min-width: 1024px) {
  .opening { padding: 96px 22px 96px; }
  .display { font-size: clamp(3rem, 5.2vw, 4.2rem); max-width: 18ch; }
  .lede { font-size: 1.18rem; }

  /* títulos de bloco em coluna lateral, conteúdo à direita */
  .block { display: grid; grid-template-columns: 300px 1fr; column-gap: 56px; align-items: start; }
  .block-head { margin-bottom: 0; position: sticky; top: 90px; }
  .block > .index,
  .block > .setorial-body,
  .block > .sectors,
  .block > .sectors-note,
  .block > .faq,
  .block > .clients { grid-column: 2; }
  .block-head { grid-column: 1; grid-row: 1; }
  .sectors-note { grid-column: 2; }

  .contact-in { padding: 120px 22px; }
}

/* respeita quem prefere menos movimento */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}