/* ── Fontes da marca (IBM Plex, locais — docs/site/assets/fonts/, licença OFL) ── */
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../../../assets/fonts/IBMPlexSans-Regular-Latin1.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../../../assets/fonts/IBMPlexSans-SemiBold-Latin1.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../../../assets/fonts/IBMPlexSans-Bold-Latin1.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../../../assets/fonts/IBMPlexMono-Medium-Latin1.woff2") format("woff2");
}

/* ── Bloco :root canônico — 02-DS-PAGINA.md §1 ── */
:root {
  /* Cores da Marca (Brand) */
  --brand-blue: #2E6BE6;
  --brand-blue-hover: #1D58CD;
  --brand-dark: #0A0E1A;
  --brand-surface: #141C26;

  /* Ação / Conversão (exclusivo para CTAs) */
  --cta-orange: #E85D04;
  --cta-orange-hover: #FF7A2F;
  --cta-orange-active: #D05103;

  /* Seções claras */
  --bg-light: #F8FAFC;
  --surface-light: #FFFFFF;
  --border-light: #E2E8F0;
  --tx-1-light: #0F172A;
  --tx-2-light: #334155;
  --tx-3-light: #64748B;

  /* Seções escuras */
  --bg-dark: #0A0E1A;
  --surface-dark: #141C26;
  --surface-dark-2: #1E2A38;
  --border-dark: #2A384A;
  --tx-1-dark: #F8FAFC;
  --tx-2-dark: #94A3B8;
  --tx-3-dark: #64748B;

  /* Semânticas / estados */
  --ok: #10B981;
  --ok-bg: rgba(16, 185, 129, 0.1);
  --warn: #F59E0B;
  --warn-bg: rgba(245, 158, 11, 0.1);
  --err: #EF4444;
  --err-bg: rgba(239, 68, 68, 0.1);
  --info: #3B82F6;

  /* Tipografia (escala modular) */
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'IBM Plex Mono', 'Consolas', 'Fira Code', monospace;

  --f-h1: clamp(32px, 5vw, 52px);
  --f-h2: clamp(26px, 3.5vw, 38px);
  --f-h3: clamp(20px, 2.5vw, 26px);
  --f-body: 16px;
  --f-body-lg: 18px;
  --f-sm: 14px;
  --f-xs: 12px;

  /* Espaçamento (escala 4px/8px) */
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-48: 48px;
  --sp-64: 64px;
  --sp-80: 80px;
  --sp-120: 120px;

  /* Bordas e sombras */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 32px rgba(10,14,26,0.15);
  --shadow-dark: 0 12px 32px rgba(0,0,0,0.4);

  /* Tema Claro VC (v2.0, não aplicado) */
  --vc-bg: #F4F7FB;
  --vc-hero-a: #E9EFFA;
  --vc-hero-b: #F8FAFC;
  --vc-surface: #FFFFFF;
  --vc-surface-2: #EDF1F8;
  --vc-border: #DCE4F0;
  --vc-border-strong: #B9C6DA;
  --vc-grid-line: rgba(46,107,230,.07);

  /* Tratamento de fotografia industrial */
  --img-overlay: linear-gradient(180deg, rgba(10,14,26,.35) 0%, rgba(10,14,26,.82) 100%);
  --img-overlay-lateral: linear-gradient(90deg, rgba(10,14,26,.88) 0%, rgba(10,14,26,.25) 65%, rgba(10,14,26,.05) 100%);
  --img-filter: saturate(.78) contrast(1.06) brightness(.92);

  /* Transições e layout */
  --t: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --max-w: 1200px;
  --header-h: 72px;

  /* Alias local (superfície suave clara = --vc-surface-2) */
  --surface-soft: #EDF1F8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-light);
  color: var(--tx-1-light);
  font-family: var(--sans);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

img, video, svg { display: block; max-width: 100%; }
svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
a { color: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 100;
  transform: translateY(-140%);
  background: var(--cta-orange);
  color: white;
  padding: 10px 14px;
  border-radius: var(--radius-md);
}
.skip-link:focus { transform: translateY(0); }

.shell {
  width: min(var(--max-w), calc(100% - 32px));
  margin-inline: auto;
}

.section {
  padding: var(--sp-80) 0;
  position: relative;
}
/* Ritmo intencional (DS §3): momentos de peso ganham mais ar */
.section-problem,
.section-final { padding: var(--sp-120) 0; }
.section-beta { padding: var(--sp-64) 0; }
.section-dark {
  background: var(--bg-dark);
  color: var(--tx-1-dark);
}
.section-head {
  max-width: 680px;
  margin-bottom: 36px;
}
.section-head h2,
.final-card h2,
.beta-box h2 {
  margin: 0;
  font-size: var(--f-h2);
  line-height: 1.08;
  letter-spacing: -0.015em;
}
.section-head p,
.final-card > p {
  margin: 14px 0 0;
  color: var(--tx-2-light);
  font-size: var(--f-body-lg);
  max-width: 62ch;
}
.sec-label {
  margin: 0 0 var(--sp-16);
  font-family: var(--mono);
  font-weight: 500;
  font-size: var(--f-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.section-dark .sec-label { color: #8DB1FF; }
.section-dark .section-head p,
.section-dark .final-card > p { color: var(--tx-2-dark); }

.site-header {
  position: sticky;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  background: rgba(10, 14, 26, 0.82);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(14px);
  transition: height var(--t), background var(--t);
}
.site-header.is-compact { height: 58px; }
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand img {
  width: 128px;
  height: auto;
}
.site-nav {
  display: flex;
  gap: 22px;
  color: var(--tx-2-dark);
  font-size: 14px;
}
.site-nav a,
.brand,
.footer a {
  text-decoration: none;
}
.site-nav a:hover,
.footer a:hover { color: white; }

.btn {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 32px;
  border: 0;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--f-body-lg);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--t), background var(--t), box-shadow var(--t);
}
.btn:focus-visible,
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(46,107,230,.38);
  outline-offset: 3px;
}
.btn--primary {
  background: var(--cta-orange);
  color: white;
  box-shadow: 0 10px 26px rgba(232, 93, 4, 0.28);
}
.btn--primary:hover {
  background: var(--cta-orange-hover);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(1px); }
.btn--mobile { display: none; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--brand-blue);
  font-weight: 700;
  font-size: 14px;
}
.section-dark .eyebrow { color: #8DB1FF; }

.hero {
  min-height: calc(100dvh - var(--header-h));
  display: grid;
  align-items: center;
  overflow: hidden;
}
.hero__bg,
.final-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10,14,26,.92), rgba(10,14,26,.58) 56%, rgba(10,14,26,.82)),
    url("../../../assets/img/fundo-hero-industrial@1x.webp");
  background:
    linear-gradient(90deg, rgba(10,14,26,.92), rgba(10,14,26,.58) 56%, rgba(10,14,26,.82)),
    -webkit-image-set(url("../../../assets/img/fundo-hero-industrial@1x.webp") 1x, url("../../../assets/img/fundo-hero-industrial@2x.webp") 2x);
  background:
    linear-gradient(90deg, rgba(10,14,26,.92), rgba(10,14,26,.58) 56%, rgba(10,14,26,.82)),
    image-set(url("../../../assets/img/fundo-hero-industrial@1x.webp") 1x, url("../../../assets/img/fundo-hero-industrial@2x.webp") 2x);
  background-size: cover;
  background-position: center;
  filter: var(--img-filter);
}
.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 520px);
  gap: 44px;
  align-items: center;
  padding: 64px 0 56px;
}
.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
.hero h1 span { color: #fff; }

/* Animação nº 1 — entrada em cascata no Topo (aprovada) */
@keyframes hero-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.js .hero__copy .eyebrow,
.js .hero__copy h1,
.js .hero__copy .hero__sub,
.js .hero__copy .hero__actions,
.js .hero__copy .support-line {
  opacity: 0;
  animation: hero-rise 480ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.js .hero__copy h1 { animation-delay: 90ms; }
.js .hero__copy .hero__sub { animation-delay: 180ms; }
.js .hero__copy .hero__actions { animation-delay: 270ms; }
.js .hero__copy .support-line { animation-delay: 360ms; }

/* Animação nº 2 — sublinhado que se desenha em "de uma vez" (aprovada) */
.hl-sweep { position: relative; white-space: nowrap; }
.hl-sweep::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.02em;
  height: 3px;
  width: 0;
  background: var(--cta-orange);
  border-radius: 2px;
}
.js .hl-sweep::after { animation: sweep-in 400ms cubic-bezier(0.16, 1, 0.3, 1) 700ms forwards; }
@keyframes sweep-in { to { width: 100%; } }
.hero__sub {
  max-width: 560px;
  margin: 22px 0 0;
  font-size: 20px;
  color: var(--tx-2-dark);
}
.hero__actions {
  margin-top: 30px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-note,
.support-line,
.hero-video figcaption,
.caption {
  margin: 0;
  color: var(--tx-3-dark);
  font-size: 14px;
}
.support-line {
  margin-top: 14px;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.video-shell {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #05070d;
  border: 1px solid var(--border-dark);
  box-shadow: var(--shadow-dark);
  aspect-ratio: 16 / 9;
}
.video-shell video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-shell--main {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
}
.video-fallback {
  display: none;
  position: absolute;
  inset: auto 16px 16px auto;
  background: rgba(255,255,255,.92);
  color: var(--tx-1-light);
  border: 0;
  border-radius: var(--radius-pill);
  padding: 10px 14px;
  font-weight: 700;
}
.asset-pending {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(10,14,26,.78);
  color: var(--tx-2-dark);
  font-family: var(--mono);
  font-size: 12px;
}

.section-demo { background: var(--surface-light); }
.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 28px;
  align-items: center;
}
.demo-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.demo-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--surface-light);
  color: var(--tx-2-light);
  font-weight: 700;
}
.demo-steps span,
.step-number {
  width: 32px;
  height: 32px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--surface-soft);
  color: var(--brand-blue);
  font-family: var(--mono);
  font-weight: 500;
}
.demo-steps .is-active {
  border-color: rgba(46,107,230,.32);
  color: var(--tx-1-light);
  box-shadow: var(--shadow-sm);
}
.center-action {
  margin-top: 28px;
  text-align: center;
}

/* Ritmo de faixas (DS §3): fundos alternados, nunca dois iguais colados */
.section-install { background: var(--bg-light); }
.section-problem { background: var(--surface-soft); }
.section-faq { background: var(--surface-light); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.step-card,
.smartscreen,
.beta-box,
.accordion__item {
  background: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
/* Seção Problema — blocos tipográficos, não cards soltos */
.problem-card {
  padding: var(--sp-24) 0 0;
  border-top: 2px solid var(--border-light);
}
.problem-card p {
  font-size: var(--f-body-lg);
  max-width: 34ch;
}
.problem-card p,
.feature-item p,
.step-card p { margin: 0; color: var(--tx-2-light); }
.icon-wrap,
.small-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--brand-blue);
  margin-bottom: var(--sp-16);
  border-radius: var(--radius-md);
  background: rgba(46,107,230,.08);
}
.icon-wrap svg,
.small-icon svg { width: 24px; height: 24px; }
.problem-close,
.section-close {
  margin: var(--sp-48) 0 0;
  font-weight: 700;
  font-size: var(--f-h3);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--tx-1-light);
  max-width: 34ch;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.step-card {
  padding: var(--sp-24);
  min-height: 270px;
  display: flex;
  flex-direction: column;
  transition: transform var(--t), border-color var(--t);
}
.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-blue);
}
.file-mini,
.diff-mini {
  margin-top: auto;
  padding-top: var(--sp-16);
  display: grid;
  gap: 6px;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--tx-2-light);
}
.file-mini span {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}
.file-mini__more { color: var(--tx-3-light); }
.diff-mini span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}
.diff-old {
  background: var(--surface-soft);
  color: var(--tx-3-light);
  text-decoration: line-through;
  text-decoration-color: rgba(239,68,68,.55);
}
.diff-new {
  background: var(--ok-bg);
  color: var(--tx-1-light);
}
.diff-new svg { width: 16px; height: 16px; color: var(--ok); flex: 0 0 auto; }
.step-card h3 {
  margin: 18px 0 8px;
  font-size: var(--f-h3);
  letter-spacing: -0.01em;
}
.gcode-mini {
  margin-top: 18px;
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
}
.gcode-mini div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}
.gcode-mini span {
  color: var(--warn);
  font-weight: 700;
  transition: color 220ms ease, background 220ms ease;
}
/* Ficha nº 5: flash âmbar → troca → verde */
.gcode-mini span.is-done {
  color: var(--ok);
  animation: gcode-swap 640ms ease;
}
@keyframes gcode-swap {
  0% { color: var(--warn); background: var(--warn-bg); }
  55% { background: var(--warn-bg); }
  100% { color: var(--ok); background: transparent; }
}

/* Vitrine escura da seção "Como funciona" — o código acende no escuro (DS §3) */
.section-how .step-card {
  background: var(--surface-dark);
  border-color: var(--border-dark);
}
.section-how .step-card:hover { border-color: var(--brand-blue); }
.section-how .step-card h3,
.section-how .step-card strong { color: var(--tx-1-dark); }
.section-how .step-card p { color: var(--tx-2-dark); }
.section-how .step-number {
  background: var(--surface-dark-2);
  color: #8DB1FF;
}
.section-how .file-mini { color: var(--tx-2-dark); }
.section-how .file-mini span { background: var(--surface-dark-2); }
.section-how .file-mini__more { color: var(--tx-3-dark); background: transparent; }
.section-how .gcode-mini div { background: var(--surface-dark-2); }
.section-how .diff-old {
  background: var(--surface-dark-2);
  color: var(--tx-3-dark);
}
.section-how .diff-new {
  background: rgba(16,185,129,.16);
  color: var(--tx-1-dark);
}
.section-how .section-close { color: var(--tx-1-dark); }

.section-features {
  background: var(--surface-light);
}
.feature-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}
.feature-list {
  display: grid;
  border-top: 1px solid var(--border-light);
}
.feature-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--sp-16);
  align-items: center;
  padding: var(--sp-16) var(--sp-8);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--t);
}
.feature-item:hover { background: rgba(46,107,230,.04); }
.feature-item .small-icon { margin-bottom: 0; }
.feature-item strong { color: var(--tx-1-light); }

/* Seção Operador × Gestor — dois blocos, mesma origem lida de dois lugares */
.section-audience { background: var(--surface-soft); }
.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-32);
}
.audience-card {
  padding: var(--sp-24) 0 0;
  border-top: 2px solid var(--border-light);
}
.audience-role {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: var(--f-sm);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--brand-blue);
}
.audience-card h3 {
  margin: 0 0 12px;
  font-size: var(--f-h3);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--tx-1-light);
  max-width: 24ch;
}
.audience-card p {
  margin: 0;
  color: var(--tx-2-light);
  max-width: 42ch;
}
.audience-card .audience-close {
  margin-top: var(--sp-16);
  font-weight: 600;
  color: var(--tx-1-light);
}

.install-layout {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}
.install-steps {
  margin: 0;
  padding-left: 22px;
  color: var(--tx-2-light);
  font-size: 18px;
}
.install-steps li + li { margin-top: 16px; }
.smartscreen {
  grid-column: 1 / -1;
  border-color: rgba(245,158,11,.38);
  background: var(--warn-bg);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: var(--sp-32);
  align-items: center;
  padding: var(--sp-24);
}
.smartscreen h3 {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.warn-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--warn);
}
.smart-figure { margin: 0; }
.smart-figure .caption { margin: 10px 0 0; color: var(--tx-3-light); }
.smartscreen p { margin: 0 0 12px; color: var(--tx-2-light); }
/* Mock fiel da tela azul do SmartScreen (placeholder até o SMART-02 real) */
.smart-mock {
  position: relative;
  min-height: 200px;
  border-radius: var(--radius-sm);
  background: #0067B8;
  color: #fff;
  padding: 22px 22px 40px;
  font-family: "Segoe UI", var(--sans);
  box-shadow: var(--shadow-md);
}
.smart-mock__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 600;
}
.smart-mock__body {
  margin: 0 0 12px;
  font-size: 13px;
  color: rgba(255,255,255,.85);
  max-width: 40ch;
}
.smart-mock__link {
  margin: 0 0 22px;
  font-size: 13px;
  text-decoration: underline;
  color: rgba(255,255,255,.9);
}
.smart-mock__actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
}
.smart-mock__btn {
  display: inline-block;
  padding: 8px 18px;
  background: rgba(255,255,255,.25);
  color: #fff;
  font-size: 13px;
}
.smart-mock__btn--ghost { background: rgba(255,255,255,.12); }
.smart-mock__tag {
  position: absolute;
  left: 12px;
  bottom: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(255,255,255,.65);
}

.section-beta { background: var(--bg-light); }
.beta-box {
  position: relative;
  padding: 32px;
  background: linear-gradient(158deg, #FFFFFF 0%, #EAF1FF 100%);
  border-color: rgba(46,107,230,.24);
  border-top: 3px solid var(--brand-blue);
  box-shadow: var(--shadow-md);
}
.date-badge {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: rgba(46,107,230,.1);
  color: var(--brand-blue);
  font-weight: 700;
}
.beta-box h2 { margin-top: 16px; }
.beta-box ul {
  margin: 22px 0 0;
  padding-left: 22px;
  color: var(--tx-2-light);
}
.beta-box li + li { margin-top: 12px; }
.beta-box a { color: var(--brand-blue); font-weight: 800; }

.faq-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 36px;
}
.accordion {
  display: grid;
  gap: 10px;
}
.accordion__item { overflow: hidden; }
.accordion__item button {
  position: relative;
  width: 100%;
  min-height: 62px;
  padding: 16px 52px 16px 20px;
  border: 0;
  background: transparent;
  color: var(--tx-1-light);
  font: inherit;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
/* Chevron SVG que gira 180° (DS §2) */
.accordion__item button::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 20px;
  height: 20px;
  background: var(--brand-blue);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>') center / contain no-repeat;
  transform: translateY(-50%);
  transition: transform var(--t);
}
.accordion__item button[aria-expanded="true"]::after {
  transform: translateY(-50%) rotate(180deg);
}
.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t);
}
.accordion__panel > p {
  overflow: hidden;
  margin: 0;
  padding: 0 20px;
  color: var(--tx-2-light);
  max-width: 65ch;
}
.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
}
.accordion__item.is-open .accordion__panel > p {
  padding-bottom: 18px;
}

.section-final {
  overflow: hidden;
  padding-bottom: 96px;
}
.final-bg {
  background:
    linear-gradient(180deg, rgba(10,14,26,.55), rgba(10,14,26,.92)),
    url("../../../assets/img/bg-transicao-spindle@1x.webp");
  background:
    linear-gradient(180deg, rgba(10,14,26,.55), rgba(10,14,26,.92)),
    -webkit-image-set(url("../../../assets/img/bg-transicao-spindle@1x.webp") 1x, url("../../../assets/img/bg-transicao-spindle@2x.webp") 2x);
  background:
    linear-gradient(180deg, rgba(10,14,26,.55), rgba(10,14,26,.92)),
    image-set(url("../../../assets/img/bg-transicao-spindle@1x.webp") 1x, url("../../../assets/img/bg-transicao-spindle@2x.webp") 2x);
  background-size: cover;
  background-position: center;
}
.final-card {
  position: relative;
  z-index: 1;
  max-width: 760px;
  text-align: center;
}
.lead-form {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}
.lead-form label {
  text-align: left;
  color: var(--tx-2-dark);
  font-weight: 700;
}
.lead-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.lead-form input {
  min-height: 56px;
  width: 100%;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.96);
  color: var(--tx-1-light);
  font: inherit;
  padding: 0 16px;
  transition: border-color var(--t), box-shadow var(--t);
}
/* Ficha nº 11: anel de foco, spinner, shake no erro */
.lead-form input:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(46,107,230,.35);
}
.lead-form__row.is-shake { animation: form-shake 320ms ease; }
@keyframes form-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  55% { transform: translateX(5px); }
  80% { transform: translateX(-3px); }
}
.btn.is-loading {
  pointer-events: none;
  opacity: .85;
}
.btn.is-loading::after {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 700ms linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }
.btn.is-success {
  background: var(--ok);
}
.hp-field {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--tx-2-dark);
  font-weight: 700;
}
.form-message.is-error { color: #fecaca; }
.form-message.is-success { color: #bbf7d0; }
.form-fine {
  margin: 0;
  color: var(--tx-3-dark);
  font-size: 14px;
}

.footer {
  padding: 34px 0;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: var(--sp-24);
  align-items: start;
  color: var(--tx-2-dark);
  font-size: var(--f-sm);
}
.footer__brand p { margin: 12px 0 0; }
.footer__legal p { margin: 0 0 8px; }
.footer address { font-style: normal; }
.footer img {
  filter: grayscale(1);
  opacity: .7;
}

.sticky-cta {
  position: fixed;
  z-index: 60;
  left: 50%;
  bottom: 16px;
  transform: translate(-50%, 130%);
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: var(--cta-orange);
  color: white;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 12px 34px rgba(232,93,4,.34);
  transition: transform var(--t);
}
.sticky-cta.is-visible { transform: translate(-50%, 0); }

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 420ms ease, transform 420ms ease;
}
.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Animação nº 4 — dores em sequência + fecho por último (aprovada) */
.js .problem-grid .problem-card:nth-child(2) { transition-delay: 120ms; }
.js .problem-grid .problem-card:nth-child(3) { transition-delay: 240ms; }
.js .problem-close { transition-delay: 420ms; }
.js .problem-close.is-visible { transition-duration: 520ms; }

/* ── Acabamento (refino visual) ── */

/* 1. Textura de blueprint — grade azul fininha nas faixas brancas (motivo de engenharia) */
.section-demo,
.section-features {
  background-color: var(--surface-light);
  background-image:
    linear-gradient(var(--vc-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--vc-grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
  background-position: center top;
}

/* 2. Cartões da Dor com profundidade (eram só filete + texto chapado) */
.problem-card {
  padding: var(--sp-24);
  background: var(--surface-light);
  border: 1px solid var(--border-light);
  border-top: 3px solid var(--brand-blue);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t), box-shadow var(--t);
}
.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* 3. Halo no print do hero — descola da foto industrial */
.hero-video .video-shell {
  box-shadow: 0 24px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.07);
}
.hero-video .video-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}

/* 4. Costura entre seções — filetinho colorido no rótulo de cada faixa */
.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.sec-label::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

@media (max-width: 980px) {
  .site-nav { display: none; }
  .hero__grid,
  .demo-grid,
  .feature-layout,
  .install-layout,
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .hero__grid { gap: 28px; }
  .problem-grid,
  .how-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }
  .smartscreen {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .section { padding: var(--sp-48) 0; }
  .section-problem,
  .section-final { padding: var(--sp-64) 0; }
  .site-header__cta { display: none; }
  .brand img { width: 116px; }
  .hero {
    min-height: auto;
  }
  .hero__grid {
    padding-top: 46px;
  }
  .hero__copy {
    display: contents;
  }
  .hero .eyebrow { order: 1; }
  .hero h1 {
    order: 2;
    font-size: clamp(36px, 14vw, 52px);
  }
  .hero-video { order: 3; }
  .hero__sub {
    order: 4;
    margin-top: 0;
    font-size: 16px;
  }
  .hero__actions { order: 5; margin-top: 0; }
  .support-line { order: 6; }
  .btn {
    width: 100%;
    min-height: 54px;
    padding-inline: 16px;
    white-space: normal;
    text-align: center;
    line-height: 1.25;
    padding-block: 12px;
    font-size: var(--f-body);
  }
  .btn--desktop { display: none; }
  .btn--mobile { display: inline-flex; }
  .cta-note { width: 100%; text-align: center; }
  .lead-form__row {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .video-fallback { display: inline-flex; }
}