/* ==========================================================================
   ZQ SISTEMAS — ESTILOS
   Mobile-first: os estilos base valem para celular; os @media (min-width)
   ampliam para tablet/desktop.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Fontes hospedadas no próprio site (assets/fonts).
   Sem Google Fonts = nenhum dado do visitante vai para terceiros ao abrir a
   página (ver privacidade.html) e o carregamento fica mais rápido.
   Arquivos variáveis: um único arquivo cobre todos os pesos usados.
   Licença: SIL Open Font License (uso livre, inclusive comercial).
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/inter-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url("../fonts/montserrat-latin.woff2") format("woff2");
}

/* --------------------------------------------------------------------------
   ✏️ TOKENS DE DESIGN — cores, fontes e medidas. Edite aqui.
   -------------------------------------------------------------------------- */
:root {
  /* Cores da marca */
  --color-bg:        #0B0F14;  /* fundo principal */
  --color-surface:   #1F2937;  /* cards / superfícies */
  --color-text:      #E5E7EB;  /* texto claro */
  --color-accent:    #3B82F6;  /* azul de destaque (links, ícones, acentos) */

  /* Derivadas (ajustes finos a partir das cores da marca) */
  --color-bg-soft:   #111720;                 /* seções alternadas */
  --color-surface-2: #161E2A;                 /* entre bg e surface */
  --color-muted:     #9CA3AF;                 /* texto secundário (contraste 7.5:1) */
  --color-heading:   #F9FAFB;                 /* títulos, um tom acima do texto */
  --color-border:    rgba(229, 231, 235, 0.08);
  --color-border-2:  rgba(229, 231, 235, 0.14);
  --color-accent-soft: rgba(59, 130, 246, 0.12);
  /* Fundo dos botões: um tom abaixo do azul da marca, para o texto branco
     atingir contraste AA (5.2:1). O #3B82F6 puro com branco fica em 3.7:1.
     Se preferir o azul exato, troque por var(--color-accent). */
  --color-accent-button: #2563EB;
  --color-success:   #34D399;

  /* Tipografia (com fallback de sistema) */
  --font-heading: "Montserrat", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body:    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Medidas */
  --container: 1180px;
  --gutter: 20px;
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 68px;
  --section-y: clamp(72px, 10vw, 128px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

::selection { background: var(--color-accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.icon { width: 1.25em; height: 1.25em; flex: none; }

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--color-accent-button);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* --------------------------------------------------------------------------
   Tipografia de seção
   -------------------------------------------------------------------------- */
/* "Eyebrow": o traço azul curto remete ao traço sob "SISTEMAS" no logo */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 3px;
  background: var(--color-accent);
}

.section { padding-block: var(--section-y); position: relative; }

/* Seções com fundo levemente mais claro, alternando com as escuras */
.section-soft { background: var(--color-bg-soft); border-block: 1px solid var(--color-border); }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.section-head { max-width: 640px; margin-bottom: clamp(40px, 6vw, 64px); }

.section-title { font-size: clamp(1.875rem, 1.3rem + 2.4vw, 2.875rem); }

.section-sub {
  margin-top: 16px;
  color: var(--color-muted);
  font-size: 1.0625rem;
  max-width: 44ch;
}

.accent-word { color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-accent-button);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .15) inset, 0 8px 24px -8px rgba(59, 130, 246, .55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .15) inset, 0 14px 36px -10px rgba(59, 130, 246, .8);
}

.btn-ghost {
  background: rgba(229, 231, 235, .03);
  color: var(--color-text);
  border-color: var(--color-border-2);
}
.btn-ghost:hover { border-color: rgba(59, 130, 246, .6); color: #fff; background: var(--color-accent-soft); }

.btn-sm { min-height: 42px; padding: 9px 16px; font-size: .9375rem; }
.btn-lg { min-height: 54px; padding: 14px 26px; font-size: 1.0625rem; }

/* --------------------------------------------------------------------------
   1. Cabeçalho
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: background-color .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s;
}
/* Classe adicionada pelo JS ao rolar a página (ou com o menu aberto) */
.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(11, 15, 20, .82);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--color-border);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img { height: 34px; width: auto; }

/* Botão hambúrguer (mobile) */
.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 10px;
  color: var(--color-text);
  cursor: pointer;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .3s var(--ease), background-color .2s;
}
.nav-toggle-bar { position: relative; }
.nav-toggle-bar::before,
.nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { transform: translateY(-7px); }
.nav-toggle-bar::after  { transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after  { transform: rotate(-45deg); }

/* Menu mobile: painel que desce sob o cabeçalho */
.site-nav {
  position: absolute;
  top: var(--header-h);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px var(--gutter) 24px;
  background: var(--color-bg);
  box-shadow: 0 24px 48px -16px rgba(0, 0, 0, .8);
  border-bottom: 1px solid var(--color-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s linear .25s;
}
.site-header.is-open .site-nav {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
.nav-list a {
  display: block;
  padding: 14px 4px;
  border-bottom: 1px solid var(--color-border);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-text);
}
.site-nav .btn { margin-top: 12px; }

/* Menu sem JS: permanece visível (não fica preso fechado) */
html:not(.js) .site-nav { position: static; opacity: 1; visibility: visible; transform: none; }
html:not(.js) .nav-toggle { display: none; }

/* --------------------------------------------------------------------------
   2. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(48px, 9vw, 104px));
  padding-bottom: clamp(72px, 10vw, 128px);
  overflow: hidden;
  isolation: isolate;
}

/* Fundo: grade técnica sutil + brilho azul difuso */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 55% at 78% 30%, rgba(59, 130, 246, .20), transparent 70%),
    radial-gradient(40% 40% at 10% 0%, rgba(59, 130, 246, .08), transparent 70%);
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(229, 231, 235, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(229, 231, 235, .045) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 80%);
}
.hero-bg::after { /* fade para o fundo da próxima seção */
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 160px;
  background: linear-gradient(transparent, var(--color-bg));
}

.hero-inner {
  display: grid;
  gap: 64px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.625rem, 1.5rem + 5.2vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
}

.hero-lead {
  margin-top: 24px;
  max-width: 34rem;
  font-size: clamp(1.0625rem, 1rem + .35vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* Link "faça o diagnóstico" abaixo dos botões */
.hero-hint {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin-top: 28px;
  font-size: .9375rem;
  color: var(--color-muted);
  transition: color .2s;
}
.hero-hint strong { color: var(--color-text); font-weight: 600; border-bottom: 1px solid rgba(59, 130, 246, .5); }
.hero-hint:hover strong { color: #fff; border-bottom-color: var(--color-accent); }
.hero-hint-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, .6);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, .55); }
  80%, 100% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
}

/* Celulares pequenos: botões do hero ocupam a largura toda */
@media (max-width: 479px) {
  .hero-actions .btn { flex: 1 1 100%; }
}

/* Entrada suave do conteúdo do hero */
.hero-copy > * { animation: rise .8s var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
.hero-visual { animation: rise 1s var(--ease) .3s both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}

/* ---- Ilustração do hero (mock de sistema) ---- */
.hero-visual {
  position: relative;
  max-width: 520px;
  width: 100%;
  margin-inline: auto;
  padding-bottom: 52px;
}

.hero-ring { /* anel que remete ao "Q" do logo */
  position: absolute;
  z-index: -1;
  width: 420px;
  height: 420px;
  top: -70px;
  right: -140px;
  border-radius: 50%;
  border: 36px solid rgba(59, 130, 246, .07);
}

.mock-window {
  position: relative;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #1F2937 0%, #18212E 100%);
  border: 1px solid var(--color-border-2);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, .3),
    0 30px 80px -20px rgba(0, 0, 0, .7),
    0 20px 60px -30px rgba(59, 130, 246, .45);
  overflow: hidden;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(11, 15, 20, .35);
}
.mock-bar .dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(229, 231, 235, .16); }
.mock-title { margin-left: 10px; font-size: .78rem; font-weight: 500; color: var(--color-muted); }

.mock-body { padding: 18px; display: grid; gap: 16px; }

.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(11, 15, 20, .45);
  border: 1px solid var(--color-border);
}
.kpi-label { font-size: .7rem; color: var(--color-muted); }
.kpi-value { font-family: var(--font-heading); font-size: 1.35rem; font-weight: 700; color: var(--color-heading); line-height: 1; }
.kpi-accent { color: var(--color-accent); }

.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 96px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background:
    repeating-linear-gradient(0deg, rgba(229, 231, 235, .05) 0 1px, transparent 1px 24px),
    rgba(11, 15, 20, .45);
  border: 1px solid var(--color-border);
}
.mock-chart span {
  flex: 1;
  height: var(--h);
  border-radius: 4px 4px 2px 2px;
  background: linear-gradient(180deg, rgba(59, 130, 246, .55), rgba(59, 130, 246, .15));
  transform-origin: bottom;
  animation: grow 1s var(--ease) both;
}
.mock-chart span { animation-delay: calc(.45s + var(--i, 0) * 60ms); }
.mock-chart span.is-accent { background: linear-gradient(180deg, #60A5FA, var(--color-accent)); }
@keyframes grow { from { transform: scaleY(0); } }

.mock-rows { display: grid; gap: 8px; }
.mock-rows li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(11, 15, 20, .3);
  border: 1px solid var(--color-border);
  font-size: .78rem;
}
.row-id { font-weight: 600; color: var(--color-text); font-variant-numeric: tabular-nums; }
.row-line { flex: 1; height: 6px; border-radius: 6px; background: rgba(229, 231, 235, .1); }
.row-line-short { flex: .6; margin-right: auto; }
.pill { padding: 3px 9px; border-radius: 999px; font-size: .7rem; font-weight: 600; white-space: nowrap; }
.pill-ok  { background: rgba(52, 211, 153, .12); color: var(--color-success); }
.pill-run { background: var(--color-accent-soft); color: #93C5FD; }

/* Cartão "planilha substituída" que flutua sobre o mock */
.mock-toast {
  position: absolute;
  left: -12px;
  bottom: 0;
  display: grid;
  gap: 6px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(17, 23, 32, .92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border-2);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, .7);
  font-size: .78rem;
  min-width: 236px;
  animation: float 6s ease-in-out 1.4s infinite;
}
.toast-file, .toast-status { display: flex; align-items: center; gap: 8px; }
.toast-file { color: var(--color-muted); }
.toast-file s { text-decoration-color: rgba(239, 68, 68, .8); text-decoration-thickness: 1.5px; }
.toast-status { color: var(--color-heading); font-weight: 600; }
.toast-status .icon { color: var(--color-success); }
.mock-toast .icon { width: 16px; height: 16px; }
.toast-file, .toast-status { transition: opacity .35s var(--ease), transform .35s var(--ease); }
.mock-toast.is-swapping .toast-file,
.mock-toast.is-swapping .toast-status { opacity: 0; transform: translateY(4px); }
.mock-toast.is-swapping .toast-status { transition-delay: .05s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

/* --------------------------------------------------------------------------
   3. Sobre
   -------------------------------------------------------------------------- */
.about { border-top: 1px solid var(--color-border); }
.about-grid { display: grid; gap: 32px; }
.about-text {
  font-size: clamp(1.0625rem, 1rem + .4vw, 1.25rem);
  line-height: 1.75;
  color: var(--color-text);
  max-width: 60ch;
}

/* --------------------------------------------------------------------------
   4. Serviços (cards)
   -------------------------------------------------------------------------- */
.cards { display: grid; gap: 16px; }

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border);
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card::after { /* linha azul que acende no topo ao passar o mouse */
  content: "";
  position: absolute;
  top: -1px;
  left: 28px;
  right: 28px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, .35);
  box-shadow: 0 24px 48px -24px rgba(59, 130, 246, .35);
}
.card:hover::after { opacity: 1; }
/* Brilho que acompanha o mouse (posição --mx/--my definida pelo JS) */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 0%), rgba(59, 130, 246, .13), transparent 65%);
  opacity: 0;
  transition: opacity .3s var(--ease);
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; }

.card-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: var(--color-accent-soft);
  border: 1px solid rgba(59, 130, 246, .25);
  color: var(--color-accent);
}
.card-icon .icon { width: 24px; height: 24px; }

.card-title { font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--color-muted); font-size: .975rem; }

/* --------------------------------------------------------------------------
   5. Como funciona (passos)
   -------------------------------------------------------------------------- */
.steps { display: grid; gap: 40px; counter-reset: step; }

.step { position: relative; padding-left: 72px; }
.step-num {
  position: absolute;
  left: 0;
  top: -4px;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(59, 130, 246, .45);
  background: var(--color-bg);
  box-shadow: 0 0 0 6px var(--color-bg), 0 0 24px -4px rgba(59, 130, 246, .5);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-accent);
}
/* Linha vertical ligando os passos (mobile) */
.step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 56px;
  bottom: -40px;
  width: 1px;
  background: linear-gradient(var(--color-border-2), transparent);
  transform-origin: top;
  transition: transform 1s var(--ease) .35s;
}
/* A linha "se desenha" quando o passo entra na tela */
.js .step:not(.is-visible)::before { transform: scaleY(0); }

.step-title { font-size: 1.25rem; margin-bottom: 8px; }
.step p { color: var(--color-muted); max-width: 32ch; }

/* --------------------------------------------------------------------------
   6. Diferenciais
   -------------------------------------------------------------------------- */
.diffs-grid { display: grid; gap: 40px; }

.diff-list { display: grid; }
.diff-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.0625rem, 1rem + .5vw, 1.3125rem);
  line-height: 1.35;
  color: var(--color-heading);
}
.diff-list li:first-child { border-top: 1px solid var(--color-border); }
.diff-list .icon { width: 26px; height: 26px; color: var(--color-accent); }

/* --------------------------------------------------------------------------
   Página 404
   -------------------------------------------------------------------------- */
.notfound {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: calc(100svh - 72px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 48px) 0 72px;
}
.notfound-inner { max-width: calc(760px + var(--gutter) * 2); text-align: center; }
.notfound .eyebrow { justify-content: center; }
.notfound-title { font-size: clamp(2rem, 1.3rem + 3.2vw, 3.5rem); letter-spacing: -0.03em; }
.notfound-lead { margin: 20px auto 0; max-width: 34rem; font-size: 1.0625rem; color: var(--color-muted); }
.notfound-actions { justify-content: center; }

/* A "planilha com erro" */
.nf-sheet {
  display: grid;
  width: fit-content;
  margin: 0 auto 40px;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  color: #1F2937;
  font: 13px/1.3 ui-monospace, Consolas, monospace;
  text-align: left;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .08);
  transform: rotate(-2deg);
  max-width: 100%;
}
.nf-formula { display: flex; gap: 12px; padding: 9px 14px; background: #F9FAFB; border-bottom: 1px solid #D1D5DB; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nf-formula b { font-style: italic; color: #9CA3AF; }
.nf-cell { display: flex; align-items: stretch; }
.nf-ref { padding: 14px; background: #F3F4F6; color: #6B7280; border-right: 1px solid #D1D5DB; font-size: 12px; }
.nf-value {
  flex: 1;
  padding: 10px 24px;
  background: #FEE2E2;
  color: #B91C1C;
  font: 700 clamp(2rem, 1.5rem + 2vw, 2.75rem)/1 var(--font-heading);
  box-shadow: inset 0 0 0 2px #2F6B4F;   /* célula selecionada */
}

.site-footer-slim { padding-top: 0; }
.site-footer-slim .footer-bottom { margin-top: 0; border-top: 0; }

/* --------------------------------------------------------------------------
   7. Chamada final
   -------------------------------------------------------------------------- */
.cta-box {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(48px, 8vw, 88px) clamp(24px, 6vw, 72px);
  border-radius: calc(var(--radius) + 8px);
  text-align: center;
  background:
    radial-gradient(70% 90% at 50% 0%, rgba(59, 130, 246, .22), transparent 70%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid rgba(59, 130, 246, .28);
}
.cta-box::before { /* grade sutil, igual ao hero */
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(229, 231, 235, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(229, 231, 235, .04) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at top, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at top, #000 20%, transparent 75%);
}
.cta-title {
  max-width: 20ch;
  margin-inline: auto;
  font-size: clamp(1.875rem, 1.2rem + 2.8vw, 3rem);
}
.cta-sub {
  margin: 18px auto 36px;
  max-width: 44ch;
  color: var(--color-muted);
  font-size: 1.0625rem;
}

/* --------------------------------------------------------------------------
   8. Rodapé
   -------------------------------------------------------------------------- */
.site-footer {
  padding-top: 56px;
  border-top: 1px solid var(--color-border);
  font-size: .9375rem;
}
.footer-inner { display: grid; gap: 32px; }
.footer-brand img { height: 32px; width: auto; }
.footer-slogan { margin-top: 14px; color: var(--color-muted); }
.footer-area { display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; font-size: .875rem; color: var(--color-muted); }
.footer-area .icon { width: 16px; height: 16px; color: var(--color-accent); }

.footer-links { display: grid; gap: 4px; }
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--color-text);
  transition: color .2s;
}
.footer-links a:hover { color: var(--color-accent); }
.footer-links .icon { color: var(--color-muted); transition: color .2s; }
.footer-links a:hover .icon { color: var(--color-accent); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 40px;
  padding-block: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: .875rem;
}
.footer-legal { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }
.footer-legal a { color: var(--color-text); text-decoration: underline; text-decoration-color: var(--color-border-2); text-underline-offset: 3px; }
.footer-legal a:hover { color: var(--color-accent); text-decoration-color: currentColor; }
.footer-badge { display: inline-flex; align-items: center; gap: 6px; }
.footer-badge .icon { width: 16px; height: 16px; color: var(--color-success); }

/* ==========================================================================
   PÁGINA: POLÍTICA DE PRIVACIDADE
   ========================================================================== */
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(48px, 7vw, 88px)) 0 clamp(40px, 5vw, 56px);
}
.page-title { font-size: clamp(2.25rem, 1.4rem + 3.6vw, 3.75rem); letter-spacing: -0.03em; }
.page-lead { margin-top: 18px; max-width: 40rem; font-size: clamp(1.0625rem, 1rem + .3vw, 1.1875rem); color: var(--color-muted); }
.page-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 22px; font-size: .875rem; color: var(--color-muted); }
.page-meta time { color: var(--color-text); font-weight: 500; }

/* Resumo */
.tldr-wrap { padding-bottom: clamp(48px, 7vw, 80px); }
.tldr-title { margin-bottom: 18px; font-size: 1rem; font-family: var(--font-body); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--color-muted); }
.tldr { display: grid; gap: 14px; }
.tldr li {
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border);
}
.tldr .card-icon { margin-bottom: 16px; width: 42px; height: 42px; }
.tldr .card-icon .icon { width: 22px; height: 22px; }
.tldr strong { display: block; margin-bottom: 6px; font: 600 1.0625rem/1.3 var(--font-heading); color: var(--color-heading); }
.tldr p { font-size: .9375rem; line-height: 1.55; color: var(--color-muted); }

/* Layout: sumário + texto */
.legal-layout { display: grid; gap: 40px; padding-bottom: var(--section-y); }

.toc {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}
.toc-title { margin-bottom: 10px; font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); }
.toc ol { display: grid; gap: 2px; counter-reset: toc; }
.toc a {
  display: flex;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: .9375rem;
  color: var(--color-muted);
  transition: color .2s, background-color .2s;
}
.toc a::before {
  counter-increment: toc;
  content: counter(toc, decimal-leading-zero);
  font: 600 .75rem/1.9 var(--font-heading);
  color: rgba(156, 163, 175, .6);
}
.toc a:hover { color: var(--color-heading); }
.toc a[aria-current="true"] { color: var(--color-heading); background: var(--color-accent-soft); }
.toc a[aria-current="true"]::before { color: var(--color-accent); }

/* Texto longo */
.prose { max-width: 720px; min-width: 0; }
.prose > section { padding-bottom: 48px; margin-bottom: 48px; border-bottom: 1px solid var(--color-border); }
.prose > section:last-child { border-bottom: 0; margin-bottom: 0; padding-bottom: 0; }
.prose h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 1.875rem);
}
.prose-num { font-size: .875rem; color: var(--color-accent); letter-spacing: 0; }
.prose h3 { margin: 28px 0 10px; font-size: 1.125rem; }
.prose p, .prose li { color: #C9CDD4; line-height: 1.75; }
.prose p + p { margin-top: 14px; }
.prose strong { color: var(--color-heading); font-weight: 600; }
.prose a { color: #93C5FD; text-decoration: underline; text-decoration-color: rgba(147, 197, 253, .4); text-underline-offset: 3px; }
.prose a:hover { color: #fff; text-decoration-color: currentColor; }
.prose abbr { text-decoration: none; }
.prose ul:not(.rights) { display: grid; gap: 10px; margin: 14px 0; }
.prose ul:not(.rights) li { position: relative; padding-left: 22px; }
.prose ul:not(.rights) li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 8px;
  height: 3px;
  border-radius: 3px;
  background: var(--color-accent);
}
.prose p:has(+ ul) { margin-bottom: 0; }
.prose ul + p { margin-top: 14px; }

.company-data { display: grid; gap: 0; margin: 20px 0 0; border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; }
.company-data > div { display: grid; grid-template-columns: 170px 1fr; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--color-border); }
.company-data > div:last-child { border-bottom: 0; }
.company-data > div[hidden] { display: none; }
.company-data dt { color: var(--color-muted); font-size: .875rem; }
.company-data dd { margin: 0; color: var(--color-text); }

.callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: rgba(52, 211, 153, .07);
  border: 1px solid rgba(52, 211, 153, .3);
}
.callout .icon { width: 24px; height: 24px; margin-top: 2px; color: var(--color-success); }
.callout p { color: var(--color-text); }

/* Tabela de finalidades: vira "cartões" no celular */
.table-wrap { margin: 20px 0; }
.data-table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.data-table th { text-align: left; font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted); }
.data-table td { color: #C9CDD4; line-height: 1.55; vertical-align: top; }
.data-table td:last-child { color: var(--color-text); }

@media (max-width: 719px) {
  .data-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; }
  .data-table tr { margin-bottom: 12px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--color-border); background: var(--color-bg-soft); }
  .data-table td { padding: 4px 0; }
  .data-table td::before { content: attr(data-label); display: block; font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted); }
  .company-data > div { grid-template-columns: 1fr; gap: 2px; }
}
@media (min-width: 720px) {
  .table-wrap { border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; }
  .data-table th { padding: 12px 16px; background: var(--color-bg-soft); border-bottom: 1px solid var(--color-border); }
  .data-table td { padding: 14px 16px; border-bottom: 1px solid var(--color-border); }
  .data-table tr:last-child td { border-bottom: 0; }
}

/* Direitos em grade */
.rights { display: grid; gap: 10px; margin: 18px 0 22px; }
.rights li {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
  line-height: 1.5;
}
.rights strong { font-family: var(--font-heading); font-size: .975rem; }
.rights span { font-size: .9rem; color: var(--color-muted); }

/* Caixa final de contato */
.legal-contact {
  padding: clamp(28px, 5vw, 40px);
  border-radius: calc(var(--radius) + 4px);
  text-align: center;
  background:
    radial-gradient(80% 100% at 50% 0%, rgba(59, 130, 246, .2), transparent 70%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid rgba(59, 130, 246, .28);
}
.prose .legal-contact h2 { justify-content: center; margin-bottom: 8px; }
.legal-contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 24px; }
.prose .legal-contact .btn { text-decoration: none; }
.prose .legal-contact .btn-primary { color: #fff; }
.prose .legal-contact .btn-ghost { color: var(--color-text); }

/* --------------------------------------------------------------------------
   3b. Antes × Depois (comparador)
   -------------------------------------------------------------------------- */
.compare-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.compare-labels span { display: inline-flex; align-items: center; gap: 8px; color: var(--color-muted); }
.compare-labels span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #F87171; }
.compare-labels span:last-child { color: var(--color-heading); }
.compare-labels span:last-child::before { background: var(--color-accent); }

.compare {
  --pos: 50%;
  position: relative;
  height: 420px;
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  border: 1px solid var(--color-border-2);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8), 0 30px 80px -50px rgba(59, 130, 246, .5);
  cursor: ew-resize;
  touch-action: pan-y;   /* rolagem vertical continua funcionando no celular */
  user-select: none;
  -webkit-user-select: none;
}
.compare:focus-within { outline: 2px solid var(--color-accent); outline-offset: 4px; }
.compare-pane { position: absolute; inset: 0; }
.compare-after { clip-path: inset(0 0 0 var(--pos)); }

.compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos);
  width: 2px;
  margin-left: -1px;
  background: #fff;
  box-shadow: 0 0 16px rgba(59, 130, 246, .8);
  pointer-events: none;
}
.compare-handle .icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 46px;
  height: 46px;
  padding: 11px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--color-accent-button);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .9), 0 10px 30px rgba(0, 0, 0, .5);
}
/* O range fica invisível: serve para teclado e leitores de tela.
   O arraste com mouse/toque é tratado no JS. */
.compare-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

/* ---- ANTES: planilha (tema claro de propósito, para contrastar) ---- */
.sheet {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: #fff;
  color: #1F2937;
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 12.5px;
  line-height: 1.3;
}
.sheet-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 16px;
  background: #2F6B4F;
  color: #fff;
}
.sheet-file { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sheet-file .icon { width: 16px; height: 16px; }
.sheet-warn { flex: none; padding: 3px 10px; border-radius: 999px; background: #FEF3C7; color: #92400E; font-size: 11px; font-weight: 600; }
.sheet-formula {
  display: flex;
  gap: 12px;
  padding: 7px 14px;
  border-bottom: 1px solid #D1D5DB;
  background: #F9FAFB;
  font-family: ui-monospace, Consolas, monospace;
  color: #374151;
}
.sheet-formula b { font-style: italic; color: #9CA3AF; }
.sheet-grid {
  flex: 1;
  display: grid;
  /* larguras fixas: o "caos" fica na metade esquerda, visível com o divisor no meio */
  grid-template-columns: 36px 140px 90px 100px 150px 1fr;
  align-content: start;
  overflow: hidden;
}
.sheet-grid span {
  padding: 8px 9px;
  border-right: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 33px;
}
.sheet-grid .h, .sheet-grid .n { background: #F3F4F6; color: #6B7280; text-align: center; font-size: 11px; }
.sheet-grid .b { font-weight: 700; }
.sheet-grid .red { color: #DC2626; font-weight: 600; }
.sheet-grid .err { color: #B91C1C; background: #FEE2E2; font-weight: 600; }
.sheet-grid .dup { background: #FEF9C3; }
.sheet-tabs { display: flex; background: #E5E7EB; border-top: 1px solid #D1D5DB; font-size: 11.5px; color: #4B5563; overflow: hidden; }
.sheet-tabs span { padding: 7px 14px; border-right: 1px solid #D1D5DB; white-space: nowrap; }
.sheet-tabs .on { background: #fff; color: #2F6B4F; font-weight: 700; }
.sheet-note {
  position: absolute;
  left: min(300px, 24%);
  bottom: 56px;
  padding: 14px 16px;
  background: #FDE68A;
  color: #78350F;
  font: 700 14px/1.2 "Segoe Print", "Comic Sans MS", cursive;
  transform: rotate(5deg);
  box-shadow: 0 10px 20px -6px rgba(0, 0, 0, .35);
}

/* ---- DEPOIS: sistema ---- */
.app { position: absolute; inset: 0; display: flex; background: #0F151D; font-size: 13px; }
.app-side {
  flex: none;
  width: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  background: var(--color-bg);
  border-right: 1px solid var(--color-border);
}
.app-logo {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 8px;
  border-radius: 9px;
  background: var(--color-accent-button);
  color: #fff;
  font: 700 12px var(--font-heading);
}
.app-nav { width: 30px; height: 30px; border-radius: 8px; background: rgba(229, 231, 235, .06); }
.app-nav.on { background: var(--color-accent-soft); box-shadow: inset 0 0 0 1px rgba(59, 130, 246, .5); }
.app-main { flex: 1; min-width: 0; display: grid; align-content: start; gap: 16px; padding: 20px; }
.app-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.app-search {
  flex: 1;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
}
.app-search .icon { width: 15px; height: 15px; }
.app-actions { display: flex; align-items: center; gap: 12px; flex: none; }
.app-btn { padding: 8px 14px; border-radius: 9px; background: var(--color-accent-button); color: #fff; font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.app-user { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--color-surface); font-size: 12px; font-weight: 600; }
.app-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.app-kpis div { padding: 12px; border-radius: 10px; background: var(--color-surface); border: 1px solid var(--color-border); min-width: 0; }
.app-kpis small { display: block; margin-bottom: 4px; font-size: 11px; color: var(--color-muted); white-space: nowrap; }
.app-kpis b { font: 700 1.125rem/1 var(--font-heading); color: var(--color-heading); white-space: nowrap; }
.app-kpis b.ok { color: var(--color-success); }
.app-table { border-radius: 12px; border: 1px solid var(--color-border); overflow: hidden; }
.app-row {
  display: grid;
  grid-template-columns: .7fr 1.4fr 1fr .9fr;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}
.app-row:last-child { border-bottom: 0; }
.app-row span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-row .pill { justify-self: start; }
.app-head { background: rgba(11, 15, 20, .6); font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--color-muted); }

@media (max-width: 599px) {
  .compare { height: 400px; }
  .sheet-warn { display: none; }
  .sheet-grid { grid-template-columns: 26px 96px 64px 80px 1fr; }
  .sheet-grid span { padding: 8px 6px; }
  .sheet-grid span:nth-child(6n) { display: none; }  /* esconde a coluna E (Pedido) */
  .sheet-note { font-size: 12px; padding: 10px 12px; left: 16px; bottom: 48px; }
  .app-btn { display: none; }
  .chip { border-radius: 14px; }
  .mock-toast { left: 8px; }
  .app-side { display: none; }
  .app-main { padding: 14px; gap: 12px; }
  .app { font-size: 11.5px; }
  .app-kpis { gap: 6px; }
  .app-kpis div { padding: 9px; }
  .app-kpis b { font-size: .9375rem; }
  .app-row { grid-template-columns: .8fr 1.4fr 1fr; padding: 9px 10px; }
  .app-row span:nth-child(3) { display: none; }  /* esconde a coluna Valor */
}

/* --------------------------------------------------------------------------
   4a. Exemplos por segmento
   -------------------------------------------------------------------------- */
.examples-grid { display: grid; gap: 16px; }

.example {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.example:hover { border-color: rgba(59, 130, 246, .35); transform: translateY(-3px); }

.example-seg {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
  font: 600 1.0625rem/1.3 var(--font-heading);
  color: var(--color-heading);
}
.example-seg .icon {
  width: 36px;
  height: 36px;
  padding: 8px;
  border-radius: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* Linhas "antes" (×) e "depois" (✓) */
.example-before,
.example-after { position: relative; padding-left: 30px; font-size: .9375rem; line-height: 1.55; }
.example-before { color: var(--color-muted); }
.example-after  { color: var(--color-text); }
.example-before::before,
.example-after::before {
  position: absolute;
  left: 0;
  top: .15em;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font: 700 12px/1 var(--font-body);
}
.example-before::before { content: "×"; font-size: 15px; background: rgba(248, 113, 113, .12); color: #F87171; }
.example-after::before  { content: "✓"; background: rgba(52, 211, 153, .14); color: var(--color-success); }

.example-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.example-tags span {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: #93C5FD;
  font-size: .75rem;
  font-weight: 600;
}

.examples-cta { margin-top: 36px; text-align: center; color: var(--color-muted); }
.examples-cta a { margin-left: 6px; font-weight: 600; color: var(--color-accent); }
.examples-cta a:hover { color: #93C5FD; }

/* --------------------------------------------------------------------------
   6b. Perguntas frequentes (acordeão nativo <details>)
   -------------------------------------------------------------------------- */
.faq-grid { display: grid; gap: 40px; }
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  position: relative;
  padding: 22px 48px 22px 0;
  list-style: none;
  cursor: pointer;
  font: 600 1.0625rem/1.4 var(--font-heading);
  color: var(--color-heading);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { /* "+" que vira "×" quando aberto */
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  background:
    linear-gradient(var(--color-accent), var(--color-accent)) center / 100% 2px no-repeat,
    linear-gradient(var(--color-accent), var(--color-accent)) center / 2px 100% no-repeat;
  transition: transform .3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary:hover { color: #fff; }
.faq-item p {
  padding: 0 48px 24px 0;
  color: var(--color-muted);
  line-height: 1.7;
  animation: rise .35s var(--ease) both;
}
.faq-item p a { color: #93C5FD; text-decoration: underline; text-underline-offset: 3px; }

/* --------------------------------------------------------------------------
   4b. Diagnóstico
   -------------------------------------------------------------------------- */
.diag-grid { display: grid; gap: 40px; }

.diag-options { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 10px 16px 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border-2);
  background: rgba(229, 231, 235, .03);
  color: var(--color-text);
  font: 500 .9375rem/1.3 var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: border-color .2s, background-color .2s, color .2s, transform .15s var(--ease);
}
.chip::before { /* "checkbox" desenhado */
  content: "";
  flex: none;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1.5px solid var(--color-muted);
  background: transparent center / 12px no-repeat;
  transition: background-color .2s, border-color .2s;
}
.chip:hover { border-color: rgba(59, 130, 246, .6); }
.chip:active { transform: scale(.98); }
.chip[aria-pressed="true"] {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: #fff;
}
.chip[aria-pressed="true"]::before {
  border-color: var(--color-accent);
  background-color: var(--color-accent-button);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7.5'/%3E%3C/svg%3E");
}

.diag-panel {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 4vw, 32px);
  border-radius: calc(var(--radius) + 4px);
  background:
    radial-gradient(90% 60% at 100% 0%, rgba(59, 130, 246, .14), transparent 70%),
    linear-gradient(180deg, var(--color-surface) 0%, var(--color-surface-2) 100%);
  border: 1px solid var(--color-border-2);
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .9);
}
.diag-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.diag-panel-title { display: inline-flex; align-items: center; gap: 10px; font: 600 1.0625rem var(--font-heading); color: var(--color-heading); }
.diag-panel-title .icon { color: var(--color-accent); }
.diag-count {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(11, 15, 20, .5);
  border: 1px solid var(--color-border);
  font-size: .8125rem;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}
.diag-body { min-height: 150px; }
.diag-empty {
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 24px;
  border: 1px dashed var(--color-border-2);
  border-radius: 12px;
  color: var(--color-muted);
  text-align: center;
}
.diag-empty[hidden] { display: none; }
.diag-solutions { display: grid; gap: 10px; }
.diag-solutions li {
  display: flex;
  gap: 14px;
  padding: 14px;
  border-radius: 12px;
  background: rgba(11, 15, 20, .45);
  border: 1px solid var(--color-border);
  animation: rise .45s var(--ease) both;
}
.diag-solutions .sol-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
}
.diag-solutions strong { display: block; margin-bottom: 2px; font: 600 .975rem/1.3 var(--font-heading); color: var(--color-heading); }
.diag-solutions p { font-size: .875rem; line-height: 1.5; color: var(--color-muted); }
.diag-send { width: 100%; white-space: normal; text-align: center; }
.diag-note { margin-top: -8px; text-align: center; font-size: .8125rem; color: var(--color-muted); }

/* --------------------------------------------------------------------------
   Barra de progresso de leitura (topo)
   -------------------------------------------------------------------------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-button), #60A5FA);
  transform-origin: left;
  transform: scaleX(var(--progress, 0));
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Botão flutuante do WhatsApp
   -------------------------------------------------------------------------- */
.fab-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent-button);
  color: #fff;
  box-shadow: 0 12px 32px -8px rgba(59, 130, 246, .7), 0 0 0 1px rgba(255, 255, 255, .08) inset;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(.9);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s linear .3s;
}
.fab-whatsapp .icon { width: 28px; height: 28px; }
.fab-whatsapp.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
.fab-whatsapp:hover { transform: translateY(-2px); }

/* --------------------------------------------------------------------------
   Animação de entrada ao rolar (ativada pelo JS)
   -------------------------------------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   Breakpoints
   ========================================================================== */
@media (min-width: 640px) {
  :root { --gutter: 32px; }
  .cards { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .examples-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-inner { grid-template-columns: 1fr auto; align-items: start; }
  .mock-toast { left: -28px; }
}

@media (min-width: 900px) {
  :root { --header-h: 76px; }

  /* Menu desktop: horizontal, sem hambúrguer */
  .nav-toggle { display: none; }
  .site-nav,
  html:not(.js) .site-nav {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 36px;
    padding: 0;
    background: none;
    border: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav-list { display: flex; gap: 32px; }
  .nav-list a {
    position: relative;
    padding: 8px 0;
    border: 0;
    font-size: .9375rem;
    color: var(--color-muted);
    transition: color .2s;
  }
  .nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform .25s var(--ease);
  }
  .nav-list a:hover,
  .nav-list a[aria-current="true"] { color: var(--color-heading); }
  .nav-list a:hover::after,
  .nav-list a[aria-current="true"]::after { transform: scaleX(1); }
  .site-nav .btn { margin-top: 0; }

  .hero { min-height: min(100svh, 920px); display: flex; align-items: center; }
  .hero-inner { grid-template-columns: 1.08fr 1fr; gap: 56px; }
  .hero-visual { margin-inline: 0 0; justify-self: end; }

  .about-grid { grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
  .about-text { padding-top: 38px; }

  /* Passos lado a lado, ligados por uma linha horizontal */
  .steps { grid-template-columns: repeat(3, 1fr); gap: 40px; }
  .step { padding-left: 0; padding-top: 84px; }
  .step-num { top: 0; }
  .step:not(:last-child)::before {
    left: 64px;
    right: -32px;
    top: 26px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--color-border-2), rgba(59, 130, 246, .35), var(--color-border-2));
    transform-origin: left;
  }
  .js .step:not(.is-visible)::before { transform: scaleX(0); }

  .diffs-grid { grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }

  .compare { height: 460px; }

  .faq-grid { grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }

  .diag-grid { grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: start; }
  .diag-panel { position: sticky; top: calc(var(--header-h) + 24px); }


  .tldr { grid-template-columns: repeat(2, 1fr); }
  .rights { grid-template-columns: repeat(2, 1fr); }
  .legal-layout { grid-template-columns: 250px minmax(0, 1fr); gap: 72px; align-items: start; }
  .toc { position: sticky; top: calc(var(--header-h) + 24px); }
}

@media (min-width: 1100px) {
  .cards { grid-template-columns: repeat(4, 1fr); }
  .tldr { grid-template-columns: repeat(4, 1fr); }
  .examples-grid { grid-template-columns: repeat(3, 1fr); }
  .card { padding: 32px 28px; }
}

@media (min-width: 900px) and (max-height: 700px) {
  .hero { min-height: 0; }
}

/* ==========================================================================
   Acessibilidade: respeita quem prefere menos movimento
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}