/* Paleta do GitHub escuro; o claro entra pelo prefers-color-scheme. */
:root {
  --fundo: #0d1117;
  --painel: #161b22;
  --borda: #30363d;
  --texto: #e6edf3;
  --suave: #8b949e;
  --verde: #3fb950;
  --azul: #58a6ff;
  --roxo: #bc8cff;
  --ambar: #d29922;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  /* arte ASCII numa fonte só: a JetBrains do Google Fonts não traz os blocos e caixas, e a mistura desalinha */
  --arte: 'Cascadia Mono', Menlo, 'DejaVu Sans Mono', Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --fundo: #ffffff;
    --painel: #f6f8fa;
    --borda: #d0d7de;
    --texto: #1f2328;
    --suave: #59636e;
    --verde: #1a7f37;
    --azul: #0969da;
    --roxo: #8250df;
    --ambar: #9a6700;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 15px/1.6 var(--mono);
}
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--azul); outline-offset: 3px; border-radius: 4px; }
pre { margin: 0; font-family: var(--mono); }
.muted { color: var(--suave); }

/* ---------- terminal de abertura ---------- */
#boot { display: none; }
html.boot { overflow: hidden; }
html.boot #boot {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 10;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--fundo);
  transition: opacity 0.45s ease;
}
#boot.saindo { opacity: 0; }
.boot-janela {
  width: min(680px, 100%);
  background: var(--painel);
  border: 1px solid var(--borda);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgb(0 0 0 / 0.35);
}
.boot-barra {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--borda);
  font-size: 12px;
  color: var(--suave);
}
.boot-barra i { width: 11px; height: 11px; border-radius: 50%; background: var(--borda); }
.boot-barra i:nth-child(1) { background: #ff5f57; }
.boot-barra i:nth-child(2) { background: #febc2e; }
.boot-barra i:nth-child(3) { background: #28c840; }
.boot-barra span { margin-left: 8px; }
#boot-texto {
  min-height: 15em;
  padding: 16px 18px 4px;
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-word;
}
#boot-texto::after { content: '█'; animation: piscar 1s steps(1) infinite; }
#boot-texto .ok { color: var(--verde); }
#boot-pular {
  display: block;
  margin: 0 18px 14px auto;
  background: none;
  border: 1px solid var(--borda);
  border-radius: 6px;
  color: var(--suave);
  font: 12px var(--mono);
  padding: 4px 10px;
  cursor: pointer;
}
#boot-pular:hover { color: var(--texto); }

/* ---------- navegação ---------- */
.topo {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
  justify-content: space-between;
  padding: 12px max(16px, calc((100% - 1080px) / 2));
  background: color-mix(in srgb, var(--fundo) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--borda);
}
.marca { color: var(--texto); font-weight: 800; }
.prompt { color: var(--verde); }
.menu { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 13px; }
.menu a { color: var(--suave); }
.menu a:hover { color: var(--texto); }

/* ---------- conteúdo ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
section { padding: 56px 0 8px; scroll-margin-top: 64px; }
h1 {
  font-family: 'Space Grotesk', var(--mono);
  font-size: clamp(28px, 5.5vw, 46px);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 20px 0 8px;
}
h2 { font-size: 20px; margin: 0 0 8px; }
.intro { color: var(--suave); margin: 0 0 20px; }

.hero { padding-top: 48px; position: relative; isolation: isolate; }
/* papel de ECG: quadrado grande de 40px com 5 pequenos de 8px, apagado nas bordas. Estático de propósito. */
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  inset: 0 -16px;
  z-index: -1;
  pointer-events: none;
}
.hero::before {
  background-image:
    linear-gradient(color-mix(in srgb, var(--verde) 13%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--verde) 13%, transparent) 1px, transparent 1px),
    linear-gradient(color-mix(in srgb, var(--verde) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--verde) 5%, transparent) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px;
  mask-image: radial-gradient(70% 60% at 30% 40%, #000 25%, transparent 100%);
}
.hero::after {
  background: radial-gradient(closest-side, color-mix(in srgb, var(--verde) 9%, transparent), transparent);
  inset: -10% 30% 20% -10%;
}
.logo, .arte { font-family: var(--arte); }
.logo {
  color: var(--verde);
  font-size: clamp(5.5px, 1.75vw, 14px);
  line-height: 1.15;
  overflow: hidden;
}
.sub { font-size: 17px; margin: 0 0 16px; }
.sub span { white-space: nowrap; }
.quem { color: var(--texto); font-size: 13px; margin: 0 0 24px; }
.carregando {
  display: inline-block;
  width: 48px;
  height: 8px;
  vertical-align: middle;
  border: 1px solid var(--borda);
  border-radius: 2px;
  background: linear-gradient(var(--verde), var(--verde)) no-repeat;
  background-size: 35% 100%;
  animation: carregar 1.6s ease-in-out infinite alternate;
}
@keyframes carregar { from { background-size: 10% 100%; } to { background-size: 90% 100%; } }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; }
.botao {
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid var(--verde);
  background: var(--verde);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
}
.botao.fantasma { background: none; color: var(--texto); border-color: var(--borda); }
.botao:hover { text-decoration: none; filter: brightness(1.1); }

/* ---------- cards ---------- */
.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 16px; }
.grade.dois { grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr)); }
.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  background: var(--painel);
  border: 1px solid var(--borda);
  border-radius: 10px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--azul); transform: translateY(-2px); }
.card-topo { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; font-size: 14px; }
.repo strong { color: var(--azul); }
.selo {
  flex: none;
  font-size: 11px;
  padding: 1px 8px;
  border: 1px solid var(--borda);
  border-radius: 999px;
  color: var(--suave);
}
.arte {
  padding: 12px;
  border-radius: 6px;
  background: var(--fundo);
  border: 1px dashed var(--borda);
  color: var(--roxo);
  font-size: 12px;
  line-height: 1.25;
  overflow-x: auto;
}
.linha { margin: 0; font-weight: 600; }
.texto { margin: 0; color: var(--suave); font-size: 13px; flex: 1; }
.stack { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; list-style: none; }
.stack li {
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--azul) 14%, transparent);
  color: var(--azul);
}
.link { font-size: 13px; }

/* ---------- log e contato ---------- */
.log { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.log li { padding: 4px 0; border-left: 2px solid var(--borda); padding-left: 14px; margin-left: 4px; }
.no { color: var(--verde); margin-left: -21px; background: var(--fundo); padding: 0 2px; }
.hash { color: var(--ambar); }
.data {
  display: inline-block;
  font-size: 11px;
  padding: 0 8px;
  border: 1px solid var(--borda);
  border-radius: 999px;
  background: var(--painel);
  color: var(--texto);
}
.contato ul { list-style: none; padding: 0; }
.contato li { padding: 2px 0; }

footer {
  max-width: 1080px;
  margin: 56px auto 0;
  padding: 20px 16px 40px;
  border-top: 1px solid var(--borda);
  font-size: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}
.dwc { display: block; margin-left: auto; }
.dwc img { display: block; height: 34px; width: auto; }
.cursor { color: var(--verde); animation: piscar 1s steps(1) infinite; }

@keyframes piscar { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}