/* ==========================================================================
   HakBr — Design tokens
   Paleta derivada da fotografia de produto já usada (PCB azul, fundo navy
   com rim-light) + estética de sinal de RF, já que o produto testa
   interferência WiFi/Bluetooth 2.4GHz.
   ========================================================================== */

:root {
  /* Cor — ancorada na logo do The Hack Lab (navy #14283c + creme #f2f0ea) */
  --bg-void: #0c1a27;
  --bg-panel: #14283c;
  --bg-panel-raised: #1e3448;
  --line: rgba(220, 228, 240, 0.12);
  --line-strong: rgba(220, 228, 240, 0.26);

  --signal-blue: #3f7ef2;
  --signal-blue-dim: #23509f;
  --signal-cyan: #4ac6d4;

  --text-primary: #f2f0ea;
  --text-muted: #9aa6b6;
  --text-faint: #61707f;

  --warn-bg: rgba(240, 166, 58, 0.1);
  --warn-border: rgba(240, 166, 58, 0.4);
  --warn-text: #f0a63a;

  /* Tipografia */
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --content-width: 760px;
  --wide-width: 1080px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Fundo com radial glow sutil, ecoando o rim-light das fotos do produto */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%, rgba(63, 126, 242, 0.14), transparent 60%),
    radial-gradient(ellipse 600px 400px at 90% 10%, rgba(74, 198, 212, 0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--signal-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

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

/* ---------- Topo / marca ---------- */

.topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 32px;
  border-bottom: 1px solid var(--line);
}

.brand-crumb {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand-crumb .sep { color: var(--text-faint); }
.brand-crumb .current { color: var(--text-primary); }
.brand-crumb a { color: var(--text-muted); }
.brand-crumb a:hover { color: var(--signal-cyan); }

.topbar-links {
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  gap: 20px;
}

/* Logo do The Hack Lab no topo das páginas de docs */
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.topbar-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  flex-shrink: 0;
}

/* ---------- Sinal de RF — elemento de assinatura ---------- */

.signal-mark {
  --r: 46px;
  width: 96px;
  height: 96px;
  position: relative;
  flex-shrink: 0;
}

.signal-mark svg { width: 100%; height: 100%; }

.signal-mark .arc {
  fill: none;
  stroke: var(--signal-blue);
  stroke-width: 2;
  opacity: 0;
  animation: pulse-arc 3.2s ease-in-out infinite;
  transform-origin: center;
}

.signal-mark .arc:nth-child(1) { animation-delay: 0s; stroke: var(--signal-cyan); }
.signal-mark .arc:nth-child(2) { animation-delay: 0.35s; }
.signal-mark .arc:nth-child(3) { animation-delay: 0.7s; }

.signal-mark .core {
  fill: var(--signal-cyan);
}

@keyframes pulse-arc {
  0% { opacity: 0; }
  20% { opacity: 0.9; }
  60% { opacity: 0.15; }
  100% { opacity: 0; }
}

/* ---------- Wireframe/rule dividers ---------- */

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 48px 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-cyan);
  margin: 0 0 12px;
}

/* ---------- Containers ---------- */

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}

.wrap-wide {
  position: relative;
  z-index: 1;
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Tipografia de conteúdo ---------- */

h1, h2, h3 {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); line-height: 1.08; margin: 0 0 18px; }
h2 { font-size: 1.5rem; margin: 0 0 14px; }
h3 { font-size: 1.1rem; margin: 0 0 10px; }

p { color: var(--text-muted); margin: 0 0 16px; }
p.lede { color: var(--text-primary); font-size: 1.15rem; }
strong { color: var(--text-primary); font-weight: 600; }

.section { padding: 56px 0; }

/* ---------- Botões ---------- */

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  padding: 13px 20px;
  border-radius: 8px;
  background: var(--signal-blue);
  color: #fff;
  border: 1px solid var(--signal-blue);
  text-decoration: none;
  transition: filter 0.15s ease, border-color 0.15s ease;
}

.btn:hover { filter: brightness(1.12); text-decoration: none; }

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--line-strong);
}

.btn--ghost:hover { filter: none; border-color: var(--signal-cyan); }

/* ---------- Painel / card ---------- */

.panel {
  background: linear-gradient(180deg, var(--bg-panel-raised), var(--bg-panel));
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 28px 30px;
}

/* ---------- Catálogo de produtos (home) ---------- */

.section-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 30px;
}

.line-logo {
  width: 54px;
  height: 54px;
  border-radius: 10px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.product-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-cell .product-card { flex: 1; }

.buy-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: center;
  color: var(--signal-cyan);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 12px 14px;
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.buy-link:hover {
  border-color: var(--signal-cyan);
  background: rgba(74, 198, 212, 0.08);
  text-decoration: none;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--bg-panel-raised), var(--bg-panel));
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

a.product-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  text-decoration: none;
}

.product-card-media {
  aspect-ratio: 1 / 1;
  background: #0a1620;
  border-bottom: 1px solid var(--line);
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card-media--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 30px;
}

.product-card-body {
  flex: 1;
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.product-card-top h3 { margin: 0; }

.product-card-body p {
  margin: 0;
  font-size: 14.5px;
}

.spec-chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.spec-chips li {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 8px;
}

.product-card-cta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-cyan);
}

.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal-cyan);
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  padding: 4px 10px;
  white-space: nowrap;
}

.badge--muted { color: var(--text-faint); }

.product-card.is-soon { opacity: 0.55; }

/* Foto de produto no topo da página do Eclipse */
.hero-shot {
  margin: 0 auto;
  max-width: 620px;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0a1620;
}

.hero-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  display: block;
}

/* ---------- Linha de destaques (página de produto) ---------- */

.feature-row {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 26px 30px;
}

.feat-ic {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--signal-cyan);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 12px;
}

.feature-row h3 {
  font-size: 1rem;
  margin: 0 0 5px;
}

.feature-row p {
  font-size: 14px;
  margin: 0;
}

/* ---------- Aviso de uso ético ---------- */

.notice {
  border: 1px solid var(--warn-border);
  background: var(--warn-bg);
  border-radius: 10px;
  padding: 22px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.notice .glyph {
  font-family: var(--font-mono);
  color: var(--warn-text);
  font-size: 20px;
  line-height: 1;
  margin-top: 2px;
}

.notice h3 { color: var(--warn-text); margin-bottom: 8px; }
.notice p { color: var(--text-primary); opacity: 0.9; margin-bottom: 0; }

/* ---------- Tabela de specs ---------- */

table.specs {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

table.specs tr { border-bottom: 1px solid var(--line); }
table.specs tr:last-child { border-bottom: none; }

table.specs th, table.specs td {
  text-align: left;
  padding: 13px 4px;
  vertical-align: top;
}

table.specs th {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-muted);
  width: 38%;
}

table.specs td { color: var(--text-primary); }

/* ---------- Passos numerados ---------- */

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }

.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 28px 48px;
  border-left: 1px solid var(--line);
  margin-left: 15px;
}

.steps li:last-child { border-left-color: transparent; padding-bottom: 0; }

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: -15px;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-panel-raised);
  border: 1px solid var(--line-strong);
  color: var(--signal-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps h3 { margin-bottom: 6px; }
.steps p { margin-bottom: 0; }

/* ---------- FAQ ---------- */

.faq-item { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { color: var(--signal-cyan); font-size: 1rem; margin-bottom: 8px; }
.faq-item p { margin-bottom: 0; }

/* ---------- Chip de navegação rápida ---------- */

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.toc a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 7px 14px;
  text-decoration: none;
}

.toc a:hover {
  color: var(--signal-cyan);
  border-color: var(--line-strong);
}

/* ---------- Rodapé ---------- */

footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  padding: 32px;
  margin-top: 40px;
}

footer .wrap, footer .wrap-wide {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer p {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
  margin: 0;
}

.foot-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.foot-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

/* ---------- Responsivo ---------- */

@media (max-width: 640px) {
  .topbar { padding: 18px 20px; }
  .wrap, .wrap-wide { padding: 0 20px; }
  .section { padding: 40px 0; }
  table.specs th { width: 44%; }
  .section-head { gap: 14px; margin-bottom: 24px; }
  .line-logo { width: 44px; height: 44px; }
}