:root {
  color-scheme: dark;
  --paper: #111417;
  --surface: #1c2125;
  --ink: #ece9e2;
  --muted: #a9aeb3;
  --line: #333a40;
  --accent: #ffb000;
  --accent-ink: #1a1400;
  --link: #6fdcf0;
  --panel: #14171a;
  --panel-2: #1f2428;
  --panel-ink: #e9e6df;
  --led: #ffb000;
  --led-2: #6fdcf0;
  --tip: #17291d;
  --tip-line: #58b873;
  --warn: #33241a;
  --warn-line: #ef8b45;
  --info: #13262f;
  --info-line: #6fdcf0;
  --radius: 10px;
  --wrap: 72rem;
  --read: 44rem;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}

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

a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--led-2); outline-offset: 2px; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 6vw, 3.1rem); margin: 0 0 0.75rem; }
h2 { font-size: 1.6rem; margin: 2.5rem 0 0.75rem; }
h3 { font-size: 1.2rem; margin: 1.75rem 0 0.5rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
th, td { padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-weight: 650; }
.table-scroll { overflow-x: auto; margin: 1rem 0; }

kbd {
  font: 600 0.85em var(--mono);
  padding: 0.05em 0.4em;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  white-space: nowrap;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--led);
  color: #1a1400;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  z-index: 10;
}
.skip:focus { top: 0.5rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem; }

/* Cabeçalho */
.top { background: rgb(20 23 26 / 85%); backdrop-filter: blur(4px); color: var(--panel-ink); }
.top .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 1.5rem; padding-block: 0.7rem; }
.brand {
  font: 700 1.1rem var(--mono);
  color: var(--led);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.brand span { color: var(--panel-ink); font-weight: 400; }
.nav { display: flex; flex-wrap: wrap; gap: 0.1rem 0.9rem; margin-left: auto; }
.nav a { color: var(--panel-ink); text-decoration: none; font-size: 0.95rem; padding: 0.3rem 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current] { color: var(--led); border-bottom-color: var(--led); }

/* Painel LCD */
.lcd {
  position: relative;
  background: #0b0e0f;
  border: 3px solid #3c4449;
  border-radius: 12px;
  box-shadow: inset 0 0 0 2px #000, 0 10px 30px rgb(0 0 0 / 35%);
  padding: 0.7rem 0.9rem;
  font-family: var(--mono);
  font-weight: 700;
  text-transform: uppercase;
  overflow: hidden;
}
.lcd::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgb(0 0 0 / 60%) 0.7px, transparent 0.9px);
  background-size: 3px 3px;
}
.lcd ul { list-style: none; margin: 0; padding: 0; }
.lcd a {
  display: flex;
  gap: 0.8em;
  padding: 0.14rem 0.2rem;
  color: var(--led);
  text-decoration: none;
  font-size: clamp(0.98rem, 3.5vw, 1.2rem);
  letter-spacing: 0.08em;
  text-shadow: 0 0 8px rgb(255 176 0 / 45%);
}
.lcd a[aria-current], .lcd:not(:has([aria-current])) li:first-child a { color: var(--led-2); text-shadow: 0 0 8px rgb(111 220 240 / 45%); }
.lcd a[aria-current] { background: rgb(111 220 240 / 10%); }
@media (max-width: 56rem) { .lcd ul { max-height: 9.6rem; overflow-y: auto; overscroll-behavior: contain; } }
.lcd a:hover { background: rgb(255 255 255 / 10%); }
.lcd a b { font-weight: 700; opacity: 0.75; }

/* Animação de fundo */
/* Fica fixa atrás de todo o conteúdo; as faixas são translúcidas para deixá-la aparecer. */
.net { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: -1; pointer-events: none; }
@media (max-width: 56rem) { .net { opacity: 0.7; } }

/* Capa */
.hero { background: transparent; color: var(--panel-ink); padding: 2.5rem 0 3rem; }
.hero .wrap { display: grid; gap: 2rem; }
.hero h1 { color: #fff; }
.hero p { font-size: 1.15rem; max-width: 36rem; }
.hero .tag { font: 600 0.82rem var(--mono); color: var(--led-2); letter-spacing: 0.06em; text-transform: uppercase; }
.hero .fine { font-size: 0.9rem; color: #b5babf; }
.hero a:not(.btn, .lcd a) { color: var(--led); }
@media (min-width: 56rem) {
  .hero .wrap { grid-template-columns: 1.15fr 1fr; align-items: center; gap: 3rem; }
}

.btns { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.3rem 0; }
.btn {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-weight: 650;
  text-decoration: none;
  background: var(--led);
  color: #1a1400;
  border: 2px solid var(--led);
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; color: var(--led); }
.section .btn.ghost, main .btn.ghost { color: var(--accent); border-color: var(--accent); }

/* Conteúdo */
.page-head { background: transparent; color: var(--panel-ink); padding: 1.8rem 0 2rem; border-bottom: 1px solid var(--line); }
.page-head .wrap { display: grid; gap: 1.5rem; }
@media (min-width: 56rem) { .page-head .wrap { grid-template-columns: 1.15fr 1fr; align-items: center; gap: 3rem; } }
.page-head h1 { color: #fff; margin-bottom: 0.4rem; }
.page-head p { margin: 0; max-width: var(--read); color: #cfd2d4; font-size: 1.1rem; }
.chan { display: inline-block; font: 700 0.85rem var(--mono); color: var(--led); letter-spacing: 0.1em; margin-bottom: 0.4rem; }

main { display: block; }
.prose { max-width: var(--read); margin: 0 auto; padding: 0.5rem 1rem 2.5rem; }
.section { padding: 2.5rem 0; }
.section h2 { margin-top: 0; }
.section.alt { background: rgb(31 36 40 / 70%); border-block: 1px solid var(--line); }

ol.steps { list-style: none; counter-reset: step; padding: 0; margin: 1.2rem 0; }
ol.steps > li { counter-increment: step; position: relative; padding: 0 0 1rem 2.9rem; }
ol.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--panel);
  color: var(--led);
  font: 700 1rem var(--mono);
}

.callout { border-left: 4px solid var(--info-line); background: var(--info); padding: 0.8rem 1rem; border-radius: 0 var(--radius) var(--radius) 0; margin: 1.2rem 0; }
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout.tip { border-color: var(--tip-line); background: var(--tip); }
.callout.warn { border-color: var(--warn-line); background: var(--warn); }

.shot { margin: 1.5rem auto; max-width: 20rem; }
.shot.wide { max-width: 100%; }
.shot img { border-radius: var(--radius); border: 1px solid var(--line); background: #fff; }
.shot figcaption { font-size: 0.92rem; color: var(--muted); margin-top: 0.5rem; }
.shot figcaption small { display: block; font-size: 0.8rem; }

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); gap: 1.2rem; }
.gallery .shot { margin: 0; max-width: none; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; }
.card {
  display: block;
  background: rgb(28 33 37 / 88%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  color: inherit;
  text-decoration: none;
}
.section.alt .card { background: var(--paper); }
a.card:hover { border-color: var(--accent); }
.card h3 { margin: 0.1rem 0 0.3rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

details { border-bottom: 1px solid var(--line); padding: 0.6rem 0; }
summary { cursor: pointer; font-weight: 650; }
details p:last-child { margin-bottom: 0.3rem; }

.share { background: rgb(28 33 37 / 88%); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin: 1rem 0; }
.share p { white-space: pre-line; margin-top: 0; }
.share .btns { margin: 0.5rem 0 0; }
.share .btn { font-size: 0.92rem; padding: 0.4rem 0.8rem; }

.pager { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1rem; }

/* Rodapé */
.foot { background: rgb(20 23 26 / 85%); color: #c3c7ca; padding: 2rem 0; font-size: 0.93rem; }
.foot a { color: var(--led); }
.foot ul { list-style: none; padding: 0; margin: 0 0 1rem; display: flex; flex-wrap: wrap; gap: 0.2rem 1.1rem; }
.foot p { margin: 0.4rem 0; max-width: 50rem; }