:root {
  --ink: #102333;
  --muted: #607080;
  --paper: #f6f3ec;
  --white: #fffdf8;
  --navy: #071b2c;
  --blue: #1e5c83;
  --cyan: #8dd7dc;
  --gold: #e6b75c;
  --line: rgba(16, 35, 51, 0.14);
  --shadow: 0 24px 70px rgba(7, 27, 44, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 20;
  padding: 0.7rem 1rem;
  background: white;
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 50%;
  width: min(1180px, calc(100% - 3rem));
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #eef7f6;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  font-weight: 600;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: block;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  color: var(--navy);
  background: var(--cyan);
  border-radius: 50%;
  font-family: "Newsreader", serif;
}

.tensor-r {
  position: absolute;
  top: 11px;
  left: 13px;
  display: block;
  font-size: 22px;
  font-style: italic;
  line-height: 1;
}

.tensor-indices {
  position: absolute;
  top: 7px;
  left: 29px;
  display: grid;
  grid-template-rows: 13px 13px;
  margin: 0;
  font-style: italic;
  line-height: 1;
}

.tensor-indices sup,
.tensor-indices sub {
  position: static;
  display: block;
  width: 8px;
  height: 13px;
  font-size: 10px;
  line-height: 13px;
  text-align: left;
  vertical-align: baseline;
}

nav { display: flex; gap: 2rem; }

nav a {
  color: rgba(238, 247, 246, 0.78);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color 160ms ease;
}

nav a:hover, nav a:focus-visible { color: white; }

.hero {
  position: relative;
  min-height: 700px;
  padding: 190px max(1.5rem, calc((100vw - 1180px) / 2)) 110px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 6rem;
  align-items: center;
  overflow: hidden;
  color: #f5fbfa;
  background:
    radial-gradient(circle at 78% 25%, rgba(32, 116, 148, 0.28), transparent 25%),
    linear-gradient(135deg, #061927 0%, #0a2b42 60%, #092236 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.13;
  background-image: radial-gradient(rgba(255,255,255,.75) 0.7px, transparent 0.7px);
  background-size: 28px 28px;
  mask-image: linear-gradient(90deg, black, transparent 70%);
}

.orbit {
  position: absolute;
  width: 510px;
  height: 510px;
  right: -120px;
  top: 90px;
  border: 1px solid rgba(141, 215, 220, 0.22);
  border-radius: 50%;
}

.orbit::after {
  content: "";
  position: absolute;
  left: 45px;
  top: 72px;
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 24px var(--gold);
}

.orbit-two {
  width: 730px;
  height: 280px;
  right: -210px;
  top: 180px;
  transform: rotate(-28deg);
}

.hero-copy, .equation-card { position: relative; z-index: 2; min-width: 0; }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 0.73rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero .eyebrow { color: var(--cyan); }

h1, h2, h3 { text-wrap: balance; }

h1 {
  margin: 0 0 1.2rem;
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(4rem, 8.2vw, 7.4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.92;
}

.hero-lead {
  max-width: 670px;
  margin: 0;
  color: rgba(238, 247, 246, 0.72);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.75;
}

.hero-actions, .card-actions, .notebook-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0.8rem 1.25rem;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover { transform: translateY(-2px); }

.button-primary { color: #071b2c; background: var(--gold); }
.button-primary:hover { background: #f1c76f; }

.button-secondary {
  color: white;
  background: transparent;
  border-color: rgba(255,255,255,.3);
}

.button-secondary:hover { border-color: white; }

.equation-card {
  padding: 2.2rem;
  background: rgba(4, 17, 28, 0.66);
  border: 1px solid rgba(141, 215, 220, 0.2);
  box-shadow: 0 30px 100px rgba(0,0,0,.25);
  backdrop-filter: blur(8px);
}

.equation-label {
  color: var(--cyan);
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.equation {
  margin: 1.6rem 0;
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  white-space: nowrap;
}

.equation span { border-bottom: 2px solid var(--gold); }
.equation sub { font-size: 0.58em; }

.equation-rule { width: 44px; height: 1px; margin-bottom: 1.4rem; background: var(--gold); }
.equation-card p { margin: 0; color: rgba(238,247,246,.6); font-size: .88rem; line-height: 1.65; }

.section {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
  padding: 110px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 3.2rem;
}

h2 {
  margin: 0;
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.book-card {
  display: grid;
  grid-template-columns: 330px 1fr;
  min-height: 430px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.book-cover {
  position: relative;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  color: white;
  background: linear-gradient(145deg, #0a3854, #071b2c);
}

.book-grid {
  position: absolute;
  width: 320px;
  height: 320px;
  right: -140px;
  top: 48px;
  border: 1px solid rgba(141,215,220,.35);
  border-radius: 50%;
  box-shadow: 0 0 0 36px rgba(141,215,220,.055), 0 0 0 72px rgba(141,215,220,.04);
}

.book-kicker, .book-author {
  position: relative;
  font-family: "DM Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.book-kicker { color: var(--cyan); }

.book-cover strong {
  position: relative;
  font-family: "Newsreader", Georgia, serif;
  font-size: 3rem;
  font-weight: 500;
  line-height: 0.95;
}

.book-author { color: rgba(255,255,255,.65); }

.book-info { padding: 3.3rem; align-self: center; }

.status {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  color: #246444;
  font-size: .73rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status i { width: 7px; height: 7px; background: #3a9b69; border-radius: 50%; }

.book-info h3, .toolbox h3 {
  margin: 1rem 0;
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.1;
}

.book-info > p { max-width: 650px; color: var(--muted); line-height: 1.75; }

.book-meta { display: flex; gap: 2.5rem; margin: 2rem 0 0; }
.book-meta div { display: grid; gap: .25rem; }
.book-meta dt { color: var(--muted); font-size: .68rem; text-transform: uppercase; }
.book-meta dd { margin: 0; font-size: .86rem; font-weight: 700; }

.text-link {
  padding: .45rem 0;
  color: var(--blue);
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(30,92,131,.25);
}

.text-link:hover { border-color: var(--blue); }
.text-link span { margin-left: .25rem; }

.pdf-preview { margin-top: 2rem; border-bottom: 1px solid var(--line); }
.pdf-preview summary { padding: 1.1rem 0; color: var(--blue); cursor: pointer; font-size: .86rem; font-weight: 700; }
.pdf-frame { height: 75vh; min-height: 520px; margin: 0 0 2rem; background: #d9dde0; }
.pdf-frame object { width: 100%; height: 100%; }
.pdf-frame p { padding: 2rem; }

.notebooks-section { padding-top: 70px; }

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

.notebook-card {
  min-height: 260px;
  padding: 1.6rem;
  display: flex;
  gap: 1.4rem;
  background: rgba(255,253,248,.78);
  border: 1px solid var(--line);
}

.notebook-card.featured {
  grid-column: span 2;
  min-height: 300px;
  background: var(--white);
  box-shadow: 0 16px 50px rgba(7,27,44,.08);
}

.notebook-number {
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: .74rem;
}

.notebook-content { display: flex; flex: 1; flex-direction: column; align-items: flex-start; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tags span { padding: .28rem .5rem; color: var(--blue); background: #e7f0f2; font-size: .63rem; font-weight: 700; text-transform: uppercase; }

.notebook-card h3 {
  margin: 1rem 0 .65rem;
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.55rem;
  line-height: 1.08;
}

.notebook-card p { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.65; }
.notebook-actions { margin-top: auto; padding-top: 1.5rem; }
.button-small { min-height: 40px; padding: .6rem .85rem; color: white; background: var(--blue); font-size: .74rem; }
.button-small:hover { background: #174a6a; }
.upcoming { opacity: .72; }

.toolbox {
  margin-top: 3rem;
  padding: 2.2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: white;
  background: var(--navy);
}

.toolbox .eyebrow { margin-bottom: .6rem; color: var(--cyan); }
.toolbox h3 { margin: 0; font-size: 1.6rem; }
.tool-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; }
.tool-list span { padding: .45rem .7rem; color: rgba(255,255,255,.75); border: 1px solid rgba(255,255,255,.18); font-family: "DM Mono", monospace; font-size: .68rem; }

.dashboards-section { padding-top: 70px; }
.dashboard-card { display:grid; grid-template-columns:1.15fr .85fr; min-height:490px; overflow:hidden; color:white; background:var(--navy); box-shadow:var(--shadow); }
.dashboard-preview { padding:2rem; display:grid; grid-template-rows:auto 1fr auto; gap:1.2rem; background:radial-gradient(circle at 75% 25%,rgba(51,145,165,.25),transparent 30%),#09253a; border-right:1px solid rgba(255,255,255,.12); }
.preview-top,.preview-footer { display:flex; justify-content:space-between; align-items:center; color:rgba(255,255,255,.58); font:500 .66rem "DM Mono",monospace; text-transform:uppercase; letter-spacing:.06em; }
.preview-top i { height:1px; flex:1; margin:0 1rem; background:rgba(255,255,255,.15); }
.preview-plot { position:relative; min-height:330px; overflow:hidden; border:1px solid rgba(255,255,255,.1); background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px); background-size:42px 42px; }
.preview-axis { position:absolute; left:50%; top:50%; width:78%; height:2px; transform-origin:center; background:rgba(255,255,255,.28); }
.axis-t { transform:rotate(90deg); }.axis-light-a { background:var(--gold); transform:rotate(45deg); }.axis-light-b { background:var(--gold); transform:rotate(-45deg); }.axis-prime-x { background:#b9494d; transform:rotate(-18deg); height:3px; }.axis-prime-t { background:var(--cyan); transform:rotate(72deg); height:3px; }
.preview-event { position:absolute; top:33%; width:25px; height:25px; display:grid; place-items:center; color:var(--navy); background:var(--cyan); border-radius:50%; font-size:.7rem; }.event-a { left:29%; }.event-b { right:26%; background:var(--gold); }
.preview-footer span { padding:.35rem .55rem; border:1px solid rgba(255,255,255,.15); }
.dashboard-info { padding:3rem; display:flex; flex-direction:column; align-items:flex-start; justify-content:center; }
.dashboard-info .tags span { color:var(--cyan); background:rgba(130,214,220,.1); }
.dashboard-info h3 { margin:1.2rem 0; font:500 clamp(2rem,3.4vw,3rem)/1.02 "Newsreader",Georgia,serif; }
.dashboard-info p { margin:0; color:rgba(255,255,255,.63); font-size:.88rem; line-height:1.7; }
.dashboard-info ul { margin:1.4rem 0 1.8rem; padding-left:1.2rem; color:rgba(255,255,255,.72); font-size:.78rem; line-height:1.8; }
.dashboard-card + .dashboard-card { margin-top: 1.25rem; }
/* Convite ao ODEROM: um bloco só, na cor da marca dele (#534AB7 sobre a
   tinta #1E1A46), com logotipo, uma frase e o botão. Nada mais — é um
   link para outro programa, não um cartão de conteúdo desta página. */
.oderom-convite { padding:3.5rem 2rem; display:flex; flex-direction:column; align-items:center; gap:1.6rem; text-align:center; background:radial-gradient(circle at 50% 0%,rgba(83,74,183,.45),transparent 62%),#1E1A46; }
.oderom-convite img { width:min(78%,340px); }
.oderom-convite p { max-width:42ch; margin:0; color:rgba(255,255,255,.74); font-size:.95rem; line-height:1.7; }
.aletra-convite { padding:3.5rem 2rem; display:flex; flex-direction:column; align-items:center; gap:1.6rem; text-align:center; background:radial-gradient(circle at 50% 0%,rgba(228,56,13,.34),transparent 62%),#14100F; }
.aletra-convite img { width:min(78%,340px); }
.aletra-convite p { max-width:42ch; margin:0; color:rgba(255,255,255,.74); font-size:.95rem; line-height:1.7; }
.tessera-convite { padding:3.5rem 2rem; display:flex; flex-direction:column; align-items:center; gap:1.6rem; text-align:center; background:radial-gradient(circle at 50% 0%,rgba(240,135,31,.34),transparent 62%),#0F2C4C; }
.tessera-convite img { width:min(78%,340px); }
.tessera-convite p { max-width:42ch; margin:0; color:rgba(255,255,255,.74); font-size:.95rem; line-height:1.7; }
.tensor-preview { background:radial-gradient(circle at 70% 30%,rgba(118,102,216,.24),transparent 32%),#09253a; }
.tensor-preview-stage { min-height:330px; display:grid; grid-template-columns:1fr auto 1fr auto 1fr; gap:.8rem; align-items:center; }
.tensor-preview-stage>b { color:rgba(255,255,255,.4); font:500 2rem "Newsreader",serif; }
.tensor-object { min-height:125px; display:grid; place-items:center; color:white; background:#6d61c9; font:500 2rem "Newsreader",serif; box-shadow:0 18px 50px rgba(0,0,0,.18); }
.tensor-object small { font:500 .56rem "Manrope",sans-serif; text-transform:uppercase; opacity:.62; }
.tensor-object.covector-object { background:#ca8240; }
.tensor-scalar { padding:1.2rem .5rem; color:var(--cyan); border:1px solid rgba(130,214,220,.3); font:500 1rem "DM Mono",monospace; text-align:center; }
.tensor-metric { grid-column:1/-1; padding:1rem; color:rgba(255,255,255,.72); border:1px solid rgba(255,255,255,.12); font:500 1.25rem "Newsreader",serif; text-align:center; }
.dashboard-roadmap { padding:1.1rem 1.4rem; display:flex; align-items:center; gap:.7rem; color:var(--muted); border:1px solid var(--line); border-top:0; font-size:.7rem; text-transform:uppercase; }
.dashboard-roadmap span { margin-right:auto; color:var(--blue); font-weight:700; }.dashboard-roadmap i { padding:.4rem .6rem; border:1px solid var(--line); font-style:normal; }

footer {
  padding: 3rem max(1.5rem, calc((100vw - 1120px) / 2));
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255,255,255,.65);
  background: #04121d;
  font-size: .78rem;
}

footer strong { color: white; }
footer p { margin: .35rem 0 0; }
footer a { color: var(--cyan); text-decoration: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; padding-top: 160px; }
  .equation-card { max-width: 480px; }
  .section-heading { grid-template-columns: 1fr; gap: 1.2rem; }
  .book-card { grid-template-columns: 260px 1fr; }
  .book-info { padding: 2.3rem; }
  .notebook-grid { grid-template-columns: 1fr 1fr; }
  .notebook-card.featured { grid-column: span 2; }
  .toolbox { align-items: flex-start; flex-direction: column; gap: 1.4rem; }
  .tool-list { justify-content: flex-start; }
  .dashboard-card { grid-template-columns:1fr; }.dashboard-preview { border-right:0; border-bottom:1px solid rgba(255,255,255,.12); }
}

@media (max-width: 650px) {
  .site-header { width: calc(100% - 2rem); height: 72px; }
  .brand > span:last-child { display: none; }
  /* A nav é uma linha só de flex e já passava dos 390px de um celular antes
     de o ÁLETRA entrar — sem quebra, o cabeçalho empurrava a página inteira
     para o lado. Quebrar em duas linhas resolve o item novo e o que já
     transbordava. */
  nav { gap: 1rem; flex-wrap: wrap; row-gap: .45rem; justify-content: flex-end; }
  nav a:last-child { display: none; }
  .hero { min-height: 720px; padding: 130px 1.25rem 80px; }
  h1 { font-size: clamp(3.15rem, 16vw, 4.3rem); }
  .equation-card { padding: 1.5rem; }
  .equation { font-size: 1.42rem; }
  .section { width: calc(100% - 2rem); padding: 80px 0; }
  .book-card { grid-template-columns: 1fr; }
  .book-cover { min-height: 350px; }
  .book-info { padding: 2rem 1.4rem; }
  .book-meta { gap: 1rem; justify-content: space-between; }
  .card-actions { align-items: flex-start; flex-direction: column; }
  .pdf-frame { min-height: 430px; }
  .notebook-grid { grid-template-columns: 1fr; }
  .notebook-card.featured { grid-column: auto; }
  .toolbox { padding: 1.6rem; }
  .dashboard-preview { padding:1rem; }.preview-plot { min-height:270px; }.dashboard-info { padding:2rem 1.4rem; }.dashboard-roadmap { align-items:flex-start; flex-wrap:wrap; }.dashboard-roadmap span { width:100%; }
  footer { align-items: flex-start; flex-direction: column; gap: 1.5rem; }
}

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

/* ------------------------------------------------------------------ */
/*  Página de programas (codigos/index.html)                           */
/* ------------------------------------------------------------------ */
.codigos-hero { padding-top: 150px; }

.codigos-acoes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 2.6rem;
}

.codigos-instrucoes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.codigos-instrucoes > div {
  padding: 1.6rem 1.7rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.codigos-instrucoes h3 { margin: 0 0 0.6rem; font-size: 1.02rem; }
.codigos-instrucoes p { margin: 0 0 1rem; color: var(--muted); font-size: 0.94rem; }

.codigos-instrucoes pre {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  border-radius: 12px;
  background: var(--navy);
  color: var(--cyan);
}

.codigos-instrucoes code,
.codigo-nome,
.codigo-saida code {
  font-family: "DM Mono", ui-monospace, monospace;
}

.codigos-instrucoes pre code { font-size: 0.86rem; line-height: 1.6; }

.codigos-cap {
  margin: 3rem 0 1.2rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.32rem;
  font-weight: 600;
}

.codigo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.2rem;
}

.codigo-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.codigo-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.codigo-card.destaque { border-color: rgba(30, 92, 131, 0.42); }

.codigo-card p { margin: 0; color: var(--muted); font-size: 0.93rem; line-height: 1.62; }
.codigo-card .button { margin-top: auto; align-self: flex-start; }

.codigo-topo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  justify-content: space-between;
}

.codigo-nome { font-size: 0.92rem; font-weight: 500; color: var(--ink); word-break: break-all; }

.codigo-lang {
  flex: none;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.codigo-lang.py { background: rgba(30, 92, 131, 0.12); color: var(--blue); }
.codigo-lang.wl { background: rgba(230, 183, 92, 0.22); color: #8a6a1f; }
.codigo-lang.lab { background: rgba(141, 215, 220, 0.34); color: #145b66; }

.codigo-card h4 {
  margin: 0;
  font-family: "Newsreader", Georgia, serif;
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.32;
}

.codigo-acoes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 1rem;
  margin-top: auto;
  padding-top: 0.35rem;
}

.codigo-acoes .button { margin-top: 0; }
.codigo-acoes .text-link { font-size: 0.84rem; white-space: nowrap; }

.codigo-saida {
  padding-left: 0.8rem;
  border-left: 2px solid var(--line);
  font-size: 0.87rem !important;
}

.codigos-nota { margin: 0; color: var(--muted); max-width: 60ch; }

@media (max-width: 900px) {
  .codigos-instrucoes { grid-template-columns: 1fr; }
}

@media (max-width: 650px) {
  .codigos-hero { padding-top: 120px; }
  .codigo-grid { grid-template-columns: 1fr; }
}

/* Cabeçalho e botões em páginas internas, sem hero escuro atrás */
.site-header.header-claro {
  color: var(--ink);
  border-bottom-color: var(--line);
  background: rgba(246, 243, 236, 0.86);
  backdrop-filter: blur(10px);
  position: fixed;
}

.header-claro nav a { color: var(--muted); }
.header-claro nav a:hover,
.header-claro nav a:focus-visible { color: var(--ink); }
.header-claro nav a[aria-current="page"] { color: var(--blue); font-weight: 600; }

.button-secondary.button-escuro {
  color: var(--ink);
  border-color: var(--line);
}

.button-secondary.button-escuro:hover { border-color: var(--ink); }