/* Gita Simulations — preto do espaço, azul do feixe, verde de terminal
   Paleta de Independence Day. Ciclo 2: profundidade, revelação e som. */

:root {
  --void:      #03060D;
  --void-2:    #060B15;
  --deck:      #08131F;
  --deck-2:    #0C1B2C;
  --grid:      #113050;
  --grid-soft: #0D2440;
  --beam:      #2C7BFF;
  --beam-soft: #7FB2FF;
  --phosphor:  #2BE38A;
  --phos-dim:  #148F5C;
  --ink:       #DCE9FF;
  --ink-dim:   #7D97BC;

  --display: "Chakra Petch", "IBM Plex Sans SC", system-ui, sans-serif;
  --body: "IBM Plex Sans", "IBM Plex Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --bar: 30px;
  --edge: clamp(1rem, 4vw, 4.5rem);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--bar) + 64px); }

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(1100px 600px at 78% -10%, rgba(44,123,255,.16), transparent 65%),
    radial-gradient(700px 500px at 8% 105%, rgba(43,227,138,.08), transparent 60%);
  background-attachment: fixed;
}

/* poeira de estrelas: estático, custo zero de processamento */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(220,233,255,.5), transparent),
    radial-gradient(1px 1px at 68% 12%, rgba(220,233,255,.35), transparent),
    radial-gradient(1px 1px at 33% 62%, rgba(127,178,255,.4), transparent),
    radial-gradient(1px 1px at 84% 47%, rgba(220,233,255,.3), transparent),
    radial-gradient(1px 1px at 55% 83%, rgba(220,233,255,.28), transparent),
    radial-gradient(1px 1px at 21% 91%, rgba(127,178,255,.3), transparent),
    radial-gradient(1px 1px at 92% 76%, rgba(220,233,255,.22), transparent);
}

:lang(zh) body, body[lang="zh"] { line-height: 1.85; }

a { color: var(--beam-soft); text-decoration: none; transition: color .16s var(--ease); }
a:hover { color: var(--phosphor); }
:focus-visible { outline: 2px solid var(--phosphor); outline-offset: 3px; }
::selection { background: var(--beam); color: #00122E; }

/* --------------------------------------------------- barra de status --- */
.console-bar {
  position: fixed; inset: 0 0 auto 0; height: var(--bar); z-index: 60;
  display: flex; align-items: center; gap: 1rem; padding: 0 var(--edge);
  background: #020509; border-bottom: 1px solid var(--grid);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-dim);
}
.console-bar .tag { color: var(--phosphor); display: flex; align-items: center; gap: .45rem; }
.console-bar .tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--phosphor); animation: pulse 2.4s ease-in-out infinite; }
.console-bar .spacer { flex: 1; }
.console-bar .clock { font-variant-numeric: tabular-nums; }
.console-bar .booting { color: var(--phosphor); }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(43,227,138,.5); } 50% { opacity: .55; box-shadow: 0 0 0 4px rgba(43,227,138,0); } }

.bar-btn {
  background: none; border: 1px solid var(--grid-soft); color: var(--ink-dim);
  font: inherit; letter-spacing: .14em; padding: 2px 8px; cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.bar-btn:hover { color: var(--ink); border-color: var(--beam); }
.bar-btn[aria-pressed="true"] { color: var(--phosphor); border-color: var(--phos-dim); }

.lang-switch { display: flex; gap: 2px; }
.lang-switch button {
  background: none; border: 1px solid transparent; color: var(--ink-dim);
  font: inherit; letter-spacing: .1em; padding: 2px 7px; cursor: pointer;
  transition: color .16s var(--ease), background .16s var(--ease);
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button[aria-pressed="true"] { color: var(--void); background: var(--phosphor); }

/* ---------------------------------------------------------- navegação -- */
.nav {
  position: sticky; top: var(--bar); z-index: 50;
  display: flex; align-items: center; gap: clamp(.9rem, 2.6vw, 2rem);
  padding: .85rem var(--edge);
  background: rgba(3, 6, 13, .84); backdrop-filter: blur(9px);
  border-bottom: 1px solid rgba(17, 48, 80, .8);
}
.brand { font-family: var(--display); font-weight: 700; font-size: 1.05rem; letter-spacing: .06em; color: var(--ink); text-transform: uppercase; }
.brand span { color: var(--beam); display: inline-block; transition: transform .3s var(--ease); }
.brand:hover { color: var(--ink); }
.brand:hover span { transform: rotate(180deg) scale(1.3); }
.nav .links { display: flex; gap: clamp(.8rem, 2vw, 1.6rem); margin-left: auto; align-items: center; }
.nav .links a {
  position: relative; font-family: var(--mono); font-size: 11.5px;
  letter-spacing: .13em; text-transform: uppercase; color: var(--ink-dim); padding-bottom: 3px;
}
.nav .links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--phosphor); transition: width .24s var(--ease);
}
.nav .links a:hover, .nav .links a[aria-current] { color: var(--phosphor); }
.nav .links a:hover::after, .nav .links a[aria-current]::after { width: 100%; }

main { padding-top: var(--bar); }
section { padding: clamp(3.2rem, 8vw, 6rem) var(--edge); }

/* --------------------------------------------------------------- hero -- */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding-top: clamp(2.5rem, 6vw, 4.5rem); }
.eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--phosphor); display: flex; align-items: center; gap: .6rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--phosphor); }
h1 {
  font-family: var(--display); font-weight: 700; text-transform: uppercase;
  font-size: clamp(2.1rem, 5.4vw, 4rem); line-height: 1.03; letter-spacing: -.01em;
  margin: 1.1rem 0 1.2rem; text-wrap: balance;
}
h1 em { font-style: normal; color: var(--beam); }
.lede { font-size: clamp(1rem, 1.3vw, 1.1rem); color: var(--ink-dim); max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }

/* --------------------------------------- radar: o elemento de assinatura */
.radar { position: relative; aspect-ratio: 1; width: min(100%, 420px); margin-inline: auto; }
.radar::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background:
    repeating-radial-gradient(circle at 50% 50%, transparent 0 46px, rgba(17,48,80,.9) 46px 47px),
    radial-gradient(circle at 50% 50%, rgba(44,123,255,.13), rgba(3,6,13,.9) 72%);
  border: 1px solid var(--grid);
}
.radar::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(43,227,138,.34), rgba(43,227,138,.05) 38deg, transparent 60deg);
  animation: sweep 5.5s linear infinite;
  mask: radial-gradient(circle at 50% 50%, #000 99%, transparent 100%);
  pointer-events: none;
}
.radar .cross { position: absolute; inset: 0; pointer-events: none; }
.radar .cross::before, .radar .cross::after { content: ""; position: absolute; background: rgba(17,48,80,.9); }
.radar .cross::before { left: 50%; top: 0; bottom: 0; width: 1px; }
.radar .cross::after { top: 50%; left: 0; right: 0; height: 1px; }

/* cada blip é um programa de verdade: clicável e acessível pelo teclado */
.blip {
  position: absolute; width: 26px; height: 26px; margin: -13px 0 0 -13px;
  display: grid; place-items: center; border: 0; background: none; padding: 0; cursor: pointer;
  animation: ping 5.5s ease-out infinite;
}
.blip::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%;
  background: var(--phosphor); box-shadow: 0 0 12px var(--phosphor);
  transition: transform .2s var(--ease);
}
.blip.paid::before { background: var(--beam); box-shadow: 0 0 12px var(--beam); }
.blip:hover::before, .blip:focus-visible::before { transform: scale(1.7); }
.blip .label {
  position: absolute; left: 50%; bottom: 118%; transform: translateX(-50%);
  white-space: nowrap; font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink); background: rgba(3,6,13,.95);
  border: 1px solid var(--grid); padding: 3px 7px; opacity: 0; pointer-events: none;
  transition: opacity .18s var(--ease); max-width: 180px; overflow: hidden; text-overflow: ellipsis;
}
.blip:hover .label, .blip:focus-visible .label { opacity: 1; }
.radar figcaption {
  position: absolute; left: 50%; bottom: -1.9rem; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-dim); white-space: nowrap;
}
@keyframes sweep { to { transform: rotate(360deg); } }
@keyframes ping { 0%, 60% { opacity: 0; } 70% { opacity: 1; } 100% { opacity: .2; } }

/* ------------------------------------------------------------- botões -- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  font-family: var(--display); font-weight: 600; text-transform: uppercase; letter-spacing: .09em;
  font-size: .85rem; padding: .78rem 1.5rem; cursor: pointer; overflow: hidden;
  border: 1px solid var(--beam); background: transparent; color: var(--beam-soft);
  transition: background .16s var(--ease), color .16s var(--ease), box-shadow .16s var(--ease), transform .1s var(--ease);
}
.btn::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-101%);
  background: linear-gradient(90deg, transparent, rgba(127,178,255,.22), transparent);
  transition: transform .5s var(--ease);
}
.btn:hover::after { transform: translateX(101%); }
.btn:hover { background: rgba(44,123,255,.14); box-shadow: 0 0 0 1px var(--beam), 0 0 24px -6px var(--beam); color: #fff; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn.primary { background: var(--beam); border-color: var(--beam); color: #001330; }
.btn.primary:hover { background: var(--beam-soft); color: #001330; }
.btn.go { border-color: var(--phosphor); color: var(--phosphor); }
.btn.go:hover { background: rgba(43,227,138,.14); box-shadow: 0 0 0 1px var(--phosphor), 0 0 24px -6px var(--phosphor); color: #fff; }
.btn.go::after { background: linear-gradient(90deg, transparent, rgba(43,227,138,.22), transparent); }
.btn[disabled] { opacity: .45; cursor: not-allowed; box-shadow: none; transform: none; }
.btn[disabled]::after { display: none; }
.btn.block { width: 100%; }

/* --------------------------------------------------- títulos e seções -- */
.section-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.2rem; border-bottom: 1px solid var(--grid); padding-bottom: .9rem; }
.section-head h2 { font-family: var(--display); text-transform: uppercase; font-size: clamp(1.3rem, 2.6vw, 1.9rem); letter-spacing: .02em; margin: 0; }
.section-head .meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-dim); margin-left: auto; }

/* ------------------------------------------------------------ cartões -- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 1.15rem; }
.card {
  position: relative; background: linear-gradient(180deg, var(--deck), var(--void));
  border: 1px solid var(--grid); padding: 1.5rem 1.4rem 1.3rem;
  display: flex; flex-direction: column; gap: .85rem; overflow: hidden;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.card:hover { border-color: var(--beam); transform: translateY(-4px); box-shadow: 0 18px 40px -26px var(--beam); }
.card.free:hover { border-color: var(--phosphor); box-shadow: 0 18px 40px -26px var(--phosphor); }
.card::before, .card::after { content: ""; position: absolute; width: 12px; height: 12px; border: 1px solid var(--beam); opacity: .8; }
.card::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.card::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.card.free::before, .card.free::after { border-color: var(--phosphor); }
.card h3 { font-family: var(--display); font-size: 1.22rem; text-transform: uppercase; letter-spacing: .01em; margin: 0; }
.card .tagline { color: var(--ink-dim); font-size: .93rem; margin: 0; flex: 1; }
.card-top { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.chip {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase;
  border: 1px solid var(--grid); color: var(--ink-dim); padding: .18rem .5rem;
}
.chip.paid { border-color: var(--beam); color: var(--beam-soft); }
.chip.free { border-color: var(--phosphor); color: var(--phosphor); }

.telemetry {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem;
  border-top: 1px solid var(--grid); border-bottom: 1px solid var(--grid); padding: .6rem 0;
  font-family: var(--mono); font-size: 10px; letter-spacing: .08em;
}
.telemetry div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.telemetry .k { color: var(--ink-dim); font-size: 9px; letter-spacing: .2em; text-transform: uppercase; }
.telemetry .v { color: var(--phosphor); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.price { font-family: var(--display); font-size: 1.35rem; font-weight: 700; color: var(--ink); }
.price small { font-size: .72rem; color: var(--ink-dim); font-weight: 400; }

/* ------------------------------------------- revelação e carregamento -- */
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }
.is-swapping { opacity: 0; transition: opacity .12s var(--ease); }

.skeleton { pointer-events: none; border-color: var(--grid-soft); }
.skeleton::before, .skeleton::after { display: none; }
.sk { display: block; background: linear-gradient(90deg, var(--deck-2) 25%, #142944 50%, var(--deck-2) 75%); background-size: 300% 100%; animation: shimmer 1.4s linear infinite; }
.sk-chip { width: 64px; height: 14px; }
.sk-title { width: 68%; height: 20px; }
.sk-line { width: 100%; height: 11px; }
.sk-line.short { width: 55%; }
.sk-bar { width: 100%; height: 38px; margin-top: .4rem; }
@keyframes shimmer { to { background-position: -300% 0; } }


/* ------------------------------------------------- barra de filtros --- */
.toolbar-wrap { padding: 0 var(--edge); margin-top: -1rem; }
.toolbar {
  position: sticky; top: calc(var(--bar) + 52px); z-index: 40;
  display: flex; flex-wrap: wrap; align-items: center; gap: .55rem;
  padding: .7rem .8rem; background: rgba(6, 11, 21, .94); backdrop-filter: blur(8px);
  border: 1px solid var(--grid);
}
.search-wrap { position: relative; flex: 1 1 240px; min-width: 190px; display: flex; align-items: center; }
.search-wrap .search-ico {
  position: absolute; left: .7rem; color: var(--ink-dim); font-size: 1.05rem; pointer-events: none;
}
.search-wrap input {
  padding: .55rem 2.4rem .55rem 2.1rem; background: var(--void); font-size: .92rem;
}
.search-wrap input::-webkit-search-cancel-button { filter: invert(.6); }
.search-wrap .hint {
  position: absolute; right: .55rem; font-family: var(--mono); font-size: 9.5px; color: var(--ink-dim);
  border: 1px solid var(--grid); padding: 1px 5px; pointer-events: none;
}
.search-wrap input:focus + .hint { opacity: 0; }

.seg { display: flex; border: 1px solid var(--grid); }
.seg button {
  background: none; border: 0; border-right: 1px solid var(--grid); color: var(--ink-dim);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: .5rem .8rem; cursor: pointer; transition: color .16s var(--ease), background .16s var(--ease);
}
.seg button:last-child { border-right: 0; }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--beam); color: #001330; }

.pick { position: relative; display: flex; }
.pick select {
  appearance: none; padding: .5rem 2rem .5rem .7rem; background: var(--void);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-dim); cursor: pointer; width: auto; min-width: 140px;
}
.pick::after {
  content: "▾"; position: absolute; right: .6rem; top: 50%; transform: translateY(-50%);
  color: var(--ink-dim); pointer-events: none; font-size: .7rem;
}
.pick select:focus { color: var(--ink); }
.btn.sm { padding: .45rem .85rem; font-size: .72rem; }
.btn.ghost { border-color: var(--grid); color: var(--ink-dim); }
.btn.ghost:hover { border-color: var(--phosphor); color: var(--phosphor); background: rgba(43,227,138,.1); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

mark { background: rgba(43,227,138,.22); color: var(--phosphor); padding: 0 2px; border-radius: 2px; }
.chip.cat { border-color: var(--grid); color: var(--ink-dim); }

@media (max-width: 700px) {
  .toolbar { position: static; }
  .pick select { min-width: 0; flex: 1; }
  .pick { flex: 1 1 45%; }
  .seg { flex: 1 1 100%; }
  .seg button { flex: 1; }
}

/* ------------------------------------------------------ página produto -- */
.detail { display: grid; grid-template-columns: 1.4fr .6fr; gap: clamp(1.6rem, 4vw, 3rem); align-items: start; }
.panel { background: var(--deck); border: 1px solid var(--grid); padding: 1.5rem; }
.panel h4 { font-family: var(--display); text-transform: uppercase; font-size: .95rem; letter-spacing: .1em; margin: 0 0 1rem; color: var(--ink-dim); }
.buybox { position: sticky; top: calc(var(--bar) + 76px); }
.prose p { color: var(--ink-dim); }
.prose h4 { font-family: var(--display); text-transform: uppercase; font-size: .95rem; letter-spacing: .1em; color: var(--ink-dim); margin: 2rem 0 .8rem; }
.features { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: .55rem; }
.features li { padding-left: 1.5rem; position: relative; color: var(--ink); }
.features li::before { content: "▸"; position: absolute; left: 0; color: var(--phosphor); }

.field { display: block; margin-bottom: .9rem; }
.field span { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: .35rem; }
input, select, textarea {
  width: 100%; background: var(--void); border: 1px solid var(--grid); color: var(--ink);
  font-family: var(--body); font-size: .95rem; padding: .65rem .75rem;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}
input:focus, select:focus, textarea:focus { border-color: var(--beam); outline: none; box-shadow: 0 0 0 3px rgba(44,123,255,.16); }
textarea { min-height: 110px; resize: vertical; font-family: var(--mono); font-size: .85rem; }

/* --------------------------------------------------------------- avisos -- */
.notice { border-left: 3px solid var(--phosphor); background: rgba(43,227,138,.07); padding: .8rem 1rem; font-size: .9rem; animation: slidein .28s var(--ease); }
.notice.problem { border-left-color: var(--beam); background: rgba(44,123,255,.09); }
.notice .label { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: .2rem; }
.empty { border: 1px dashed var(--grid); padding: 2.4rem 1.5rem; text-align: center; color: var(--ink-dim); font-family: var(--mono); font-size: .85rem; letter-spacing: .08em; }
.hash { font-family: var(--mono); font-size: .72rem; color: var(--ink-dim); word-break: break-all; }
@keyframes slidein { from { opacity: 0; transform: translateY(8px); } }

/* --------------------------------------------------------------- rodapé -- */
footer {
  border-top: 1px solid var(--grid); padding: 2.6rem var(--edge) 3.4rem;
  display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: var(--ink-dim); text-transform: uppercase;
}
footer .spacer { flex: 1; }

/* ------------------------------------------------------------ responsivo -- */
@media (max-width: 900px) {
  .hero, .detail { grid-template-columns: 1fr; }
  .radar { width: min(78%, 320px); margin-bottom: 2.5rem; order: -1; }
  .buybox { position: static; }
  .console-bar { font-size: 9.5px; gap: .6rem; }
  .console-bar .hide-sm { display: none; }
  .nav .links { gap: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; }
}