/* ==========================================================================
   Horix — landing page
   Ordem: tokens · reset · utilitarios · componentes · secoes · responsivo
   ========================================================================== */

/* --------------------------------------------------------------- 1. Tokens */
:root {
  /* Marca */
  --primary: #2b6e63;
  --primary-dark: #1f5249;
  --primary-darker: #17332e;
  --primary-tint: #eaf1ef;
  --primary-tint-2: #d7e6e2;

  /* Acao. --cta e a cor de marca do briefing; --cta-strong e a versao usada
     como fundo de botao, escurecida para atingir 4.5:1 com texto branco. */
  --cta: #e8664a;
  --cta-strong: #cc4a2b;
  --cta-stronger: #b03d21;
  --cta-tint: #fdeee9;

  /* Semanticas */
  --success: #4caf6d;
  --success-ink: #2f7a49;
  --warning: #e8a33d;
  --warning-ink: #96601a;
  --warning-tint: #fdf3e2;
  --error: #e5484d;
  --error-ink: #b3262b;
  --error-tint: #fdecec;

  /* Superficies e texto */
  --bg: #faf7f2;
  --bg-alt: #f4efe7;
  --surface: #ffffff;
  --ink: #2d2a26;
  --ink-soft: #5c574f;
  --ink-faint: #8a837a;
  --border: #e6dfd4;
  --border-soft: #efe9df;

  /* Formas */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 999px;

  --shadow-xs: 0 1px 2px rgba(45, 42, 38, .06);
  --shadow-sm: 0 2px 8px rgba(45, 42, 38, .06);
  --shadow-md: 0 8px 24px rgba(45, 42, 38, .08);
  --shadow-lg: 0 24px 60px rgba(45, 42, 38, .12);

  /* Ritmo */
  --maxw: 1160px;
  --gutter: 24px;
  --section-y: 96px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* ---------------------------------------------------------------- 2. Reset */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
/* Compensa o header fixo ao navegar por ancoras. */
[id] { scroll-margin-top: 88px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 { margin: 0 0 .5em; line-height: 1.18; letter-spacing: -.02em; font-weight: 700; }
h1 { font-size: clamp(2rem, 1.4rem + 2.1vw, 3rem); letter-spacing: -.03em; }
h2 { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem); }
h3 { font-size: 1.16rem; letter-spacing: -.01em; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--primary-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--primary); }

ul { margin: 0; padding: 0; list-style: none; }

button { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------------------------------------------------------- 3. Utilitarios */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 780px; }

.section { padding-block: var(--section-y); }
.section--tight { padding-block: calc(var(--section-y) * .72); }
.section--alt { background: var(--bg-alt); }
.section--surface { background: var(--surface); }
.section--dark { background: var(--primary-darker); color: #ece7de; }
.section--dark h2, .section--dark h3 { color: #fff; }

.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
}
.section--dark .eyebrow { color: #8ec8ba; }
/* Rotulo dentro do proprio h1/h2: o heading passa a dizer o assunto da secao
   ("Recursos: ...") para busca e leitores de tela, sem mudar o visual. */
h1 .eyebrow, h2 .eyebrow { display: block; line-height: 1.65; }

/* Texto so para leitores de tela e robos (ex.: o ":" entre rotulo e titulo). */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.lede { font-size: 1.09rem; color: var(--ink-soft); max-width: 62ch; }
.section--dark .lede { color: #c9c2b7; }

.section-head { max-width: 44rem; margin-bottom: 48px; }
.section-head--center { margin-inline: auto; text-align: center; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--primary); color: #fff;
  padding: 12px 18px; border-radius: var(--r-sm); font-weight: 600;
  transition: top .15s ease;
}
.skip-link:focus { top: 12px; color: #fff; }

/* --------------------------------------------------------- 4. Componentes */

/* 4.1 Botoes */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: 15px 26px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 1rem; font-weight: 600; line-height: 1.2;
  text-decoration: none; cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--cta-strong); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--cta-stronger); color: #fff; box-shadow: var(--shadow-md); }

.btn--ghost { background: transparent; color: var(--primary-dark); border-color: var(--border); }
.btn--ghost:hover { background: var(--primary-tint); border-color: var(--primary-tint-2); color: var(--primary-dark); }
.section--dark .btn--ghost { color: #ece7de; border-color: rgba(255, 255, 255, .28); }
.section--dark .btn--ghost:hover { background: rgba(255, 255, 255, .08); color: #fff; }

.btn--sm { padding: 11px 20px; font-size: .94rem; }
.btn--lg { padding: 18px 34px; font-size: 1.06rem; }

.btn-note { margin: 14px 0 0; font-size: .88rem; color: var(--ink-faint); }
.section--dark .btn-note { color: #a9a196; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* 4.2 Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-lg);
  padding: 26px;
  box-shadow: var(--shadow-xs);
}
.card h3 { margin-bottom: .4em; }
.card p { font-size: .96rem; color: var(--ink-soft); }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* 4.3 Icone de recurso */
.feat-icon {
  width: 42px; height: 42px; margin-bottom: 16px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--primary-tint);
  color: var(--primary-dark);
}
.feat-icon svg { width: 22px; height: 22px; }

/* 4.4 Mockup de navegador */
.browser {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
.browser__bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.browser__dot { width: 10px; height: 10px; border-radius: 50%; background: #d9d1c4; }
.browser__url {
  margin-left: 8px; flex: 1;
  font-size: .74rem; color: var(--ink-faint);
  background: var(--surface);
  border-radius: var(--r-pill);
  padding: 4px 12px;
  border: 1px solid var(--border-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.browser img { width: 100%; background: var(--bg); }

/* 4.5 Etiqueta de conteudo demonstrativo */
.demo-tag {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: var(--warning-tint);
  color: var(--warning-ink);
  border: 1px solid #f0dcb8;
  font-size: .78rem; font-weight: 600;
}
.demo-tag::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--warning); flex: none;
}

/* 4.6 Revelacao no scroll
   So esconde sob .js (classe posta por um script inline no <head>). Sem JS o
   conteudo continua visivel — para quem navega sem JS e para robos. */
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.is-visible {
  opacity: 1; transform: none;
  transition: opacity .6s ease, transform .6s cubic-bezier(.22, .7, .3, 1);
}

/* ------------------------------------------------------------- 5. Header */
.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(250, 247, 242, .88);
  backdrop-filter: saturate(1.6) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.header.is-stuck { border-bottom-color: var(--border); box-shadow: 0 2px 12px rgba(45, 42, 38, .05); }
.header__inner { display: flex; align-items: center; gap: 20px; height: 72px; }

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
  font-weight: 700; letter-spacing: -.02em; font-size: 1.06rem;
}
.brand img { width: 32px; height: 32px; border-radius: 9px; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 4px; }
/* :not(.btn) e obrigatorio: sem ele estas regras venceriam .btn--primary por
   especificidade e o CTA do header ficaria com a cor de texto dos links. */
.nav__list a:not(.btn) {
  display: block; padding: 9px 14px;
  border-radius: var(--r-sm);
  font-size: .95rem; font-weight: 500;
  color: var(--ink-soft); text-decoration: none;
}
.nav__list a:not(.btn):hover { background: var(--primary-tint); color: var(--primary-dark); }

.header__cta { margin-left: 8px; }

.nav-toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border); border-radius: var(--r-md);
  cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded='true'] .icon-close { display: block; }
.nav-toggle[aria-expanded='true'] .icon-open { display: none; }

/* --------------------------------------------------------------- 6. Hero */
.hero { padding-block: 72px 88px; position: relative; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: -30% 40% auto -10%; height: 620px;
  background: radial-gradient(closest-side, rgba(43, 110, 99, .10), transparent 72%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: 56px; align-items: center;
}
.hero h1 { margin-bottom: .55em; }
.hero__sub { font-size: 1.14rem; color: var(--ink-soft); max-width: 34rem; }
.hero .cta-row { margin-top: 30px; }

.hero__meta {
  margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px 20px;
  font-size: .9rem; color: var(--ink-soft);
}
.hero__meta li { display: flex; align-items: center; gap: 7px; }
.hero__meta svg { width: 16px; height: 16px; color: var(--success-ink); flex: none; }

.hero__media { position: relative; }
.hero__badge {
  position: absolute; right: -14px; bottom: -18px; z-index: 2;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); box-shadow: var(--shadow-md);
  padding: 12px 16px; max-width: 230px;
}
.hero__badge strong { display: block; font-size: 1.35rem; color: var(--primary-dark); line-height: 1.1; }
.hero__badge span { font-size: .82rem; color: var(--ink-soft); }

/* ------------------------------------------------- 7. Faixa de confianca */
.trust { border-block: 1px solid var(--border); background: var(--surface); }
.trust__list {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px; padding-block: 26px;
}
.trust__list li { display: flex; align-items: center; gap: 11px; font-size: .95rem; font-weight: 500; }
.trust__list svg { width: 20px; height: 20px; color: var(--primary); flex: none; }

/* ------------------------------------------------------------ 8. Problema */
.problem__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: 56px; align-items: center;
}

.pull {
  margin-top: 28px; padding: 20px 24px;
  border-left: 4px solid var(--cta);
  background: var(--cta-tint);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 1.06rem; font-weight: 600; color: var(--ink);
}
.section--dark .pull { background: rgba(255, 255, 255, .06); border-left-color: var(--cta); color: #fff; }

/* Ilustracao: a grade ficando conflituosa (decorativa, aria-hidden) */
.conflict {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 20px; box-shadow: var(--shadow-md);
}
.conflict__row { display: grid; grid-template-columns: 54px repeat(5, minmax(0, 1fr)); gap: 6px; }
.conflict__row + .conflict__row { margin-top: 6px; }
.conflict__h {
  font-size: .72rem; font-weight: 600; color: var(--ink-faint);
  text-transform: uppercase; letter-spacing: .06em;
  display: flex; align-items: center;
}
.conflict__cell {
  height: 40px; border-radius: var(--r-sm);
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center;
  font-size: .68rem; font-weight: 600; color: var(--ink-soft);
  padding: 0 4px; text-align: center; overflow: hidden;
}
.conflict__cell--ok { background: #e7f4ec; color: var(--success-ink); }
.conflict__cell--warn { background: var(--warning-tint); color: var(--warning-ink); }
.conflict__cell--bad {
  background: var(--error-tint); color: var(--error-ink);
  box-shadow: inset 0 0 0 1.5px rgba(229, 72, 77, .4);
  animation: pulse-bad 2.6s ease-in-out infinite;
}
@keyframes pulse-bad {
  0%, 100% { box-shadow: inset 0 0 0 1.5px rgba(229, 72, 77, .35); }
  50% { box-shadow: inset 0 0 0 2.5px rgba(229, 72, 77, .85); }
}
.conflict__foot {
  margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border);
  display: flex; align-items: center; gap: 9px;
  font-size: .85rem; font-weight: 600; color: var(--error-ink);
}
.conflict__foot svg { width: 17px; height: 17px; flex: none; }

/* ------------------------------------------------------------- 9. Solucao */
.flow { display: grid; gap: 18px; justify-items: center; }
.flow__inputs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 640px; }
.flow__chip {
  padding: 10px 18px; border-radius: var(--r-pill);
  background: var(--surface); border: 1px solid var(--border);
  font-size: .93rem; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow-xs);
}
.flow__arrow { color: var(--primary); }
.flow__arrow svg { width: 26px; height: 26px; }
.flow__engine {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 30px; border-radius: var(--r-lg);
  background: var(--primary); color: #fff;
  font-weight: 700; font-size: 1.1rem; letter-spacing: -.01em;
  box-shadow: 0 14px 34px rgba(43, 110, 99, .28);
}
.flow__engine img { width: 30px; height: 30px; border-radius: 8px; }
.flow__out {
  padding: 16px 30px; border-radius: var(--r-lg);
  background: #e7f4ec; border: 1px solid #c8e6d4;
  color: var(--success-ink); font-weight: 700; font-size: 1.05rem;
  display: flex; align-items: center; gap: 10px;
}
.flow__out svg { width: 22px; height: 22px; }

/* ------------------------------------------------- 10. Como funciona (abas) */
/* A lista de etapas fica compacta (numero + titulo) e a explicacao de cada uma
   vive no painel, junto da screenshot. Sem isso a coluna das abas fica muito
   mais alta que a imagem e sobra um vazio grande a direita. */
.steps { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 40px; align-items: start; }

.steps__tabs { display: flex; flex-direction: column; gap: 4px; }
.steps__tab {
  display: flex; align-items: center; gap: 14px;
  text-align: left; width: 100%;
  padding: 13px 16px;
  background: transparent; border: 1px solid transparent; border-radius: var(--r-md);
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease;
}
.steps__tab:hover { background: var(--surface); border-color: var(--border-soft); }
.steps__tab[aria-selected='true'] { background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-sm); }
.steps__num {
  flex: none;
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--primary-tint); color: var(--primary-dark);
  font-size: .8rem; font-weight: 700;
}
.steps__tab[aria-selected='true'] .steps__num { background: var(--primary); color: #fff; }
.steps__title { font-weight: 600; font-size: .98rem; }

.steps__panel[hidden] { display: none; }
.steps__caption { margin-top: 18px; font-size: .97rem; color: var(--ink-soft); max-width: 62ch; }

/* --------------------------------------------------------- 11. Diagnostico */
.diag__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px; align-items: center;
}
.diag__card {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--r-lg);
  padding: 26px;
}
.diag__card + .diag__card { margin-top: 18px; }
.diag__card h3 { font-size: 1.05rem; margin-bottom: .5em; }
.diag__card p { color: #c9c2b7; font-size: .96rem; margin: 0; }
.diag__stage {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: #8ec8ba; margin-bottom: 12px;
}

/* Ilustracao do diagnostico — desenhada em HTML, nao e uma screenshot */
.diag__demo {
  background: var(--surface); color: var(--ink);
  border-radius: var(--r-lg); padding: 24px;
  box-shadow: var(--shadow-lg);
}
.diag__alert {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px; border-radius: var(--r-md);
  background: var(--warning-tint); border: 1px solid #f0dcb8;
}
.diag__alert svg { width: 22px; height: 22px; color: var(--warning-ink); flex: none; margin-top: 2px; }
.diag__alert strong { display: block; margin-bottom: 3px; }
.diag__alert p { margin: 0; font-size: .93rem; color: var(--ink-soft); }
.diag__fixes { margin-top: 16px; display: grid; gap: 9px; }
.diag__fixes li { display: flex; gap: 10px; align-items: center; font-size: .93rem; color: var(--ink-soft); }
.diag__fixes svg { width: 17px; height: 17px; color: var(--success-ink); flex: none; }
.diag__demo-note { margin-top: 16px; font-size: .8rem; color: var(--ink-faint); }

/* -------------------------------------------- 12. Velocidade e controle */
.speed__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px; align-items: center;
}
.control-box {
  margin-top: 28px; padding: 24px;
  border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface);
}
.control-box h3 { margin-bottom: .35em; }
.control-box p { margin: 0; font-size: .96rem; color: var(--ink-soft); }

/* ----------------------------------------------------------- 13. Exportacao */
.export__card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.export__card img { border-bottom: 1px solid var(--border-soft); }
.export__body { padding: 20px 22px 24px; }
.export__body h3 { margin-bottom: .35em; font-size: 1.05rem; }
.export__body p { margin: 0; font-size: .93rem; color: var(--ink-soft); }
.export__formats {
  margin-top: 28px; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center;
  gap: 12px; font-size: .95rem; color: var(--ink-soft);
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--r-pill);
  background: var(--primary-tint); color: var(--primary-dark);
  font-weight: 600; font-size: .9rem;
}

/* ---------------------------------------------------- 14. Resultados e case */
.results { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-bottom: 40px; }

.case {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-md);
}
.case__head {
  padding: 28px 32px; border-bottom: 1px solid var(--border-soft);
  display: flex; flex-wrap: wrap; gap: 14px;
  align-items: center; justify-content: space-between;
}
.case__head h3 { margin: 0; font-size: 1.3rem; }
.case__head p { margin: 4px 0 0; font-size: .92rem; color: var(--ink-soft); }
.case__body { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; padding: 32px; }
.case__body h4 {
  margin: 0 0 .4em; font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--primary);
}
.case__body p { margin: 0; font-size: .96rem; color: var(--ink-soft); }
.case__stats {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--border-soft); background: var(--bg-alt);
}
.case__stat { padding: 26px 24px; text-align: center; }
.case__stat + .case__stat { border-left: 1px solid var(--border-soft); }
.case__stat strong {
  display: block; font-size: 1.7rem; letter-spacing: -.02em;
  color: var(--primary-dark); line-height: 1.15;
}
.case__stat span { font-size: .87rem; color: var(--ink-soft); }

/* ---------------------------------------------------------- 15. Depoimentos */
.quote { display: flex; flex-direction: column; }
.quote__mark { color: var(--cta); font-size: 2rem; line-height: 1; margin-bottom: 6px; }
.quote blockquote { margin: 0 0 20px; font-size: 1rem; color: var(--ink); line-height: 1.6; }
.quote figcaption { margin-top: auto; display: flex; align-items: center; gap: 12px; }
.quote__avatar {
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: var(--primary-tint); color: var(--primary-dark);
  display: grid; place-items: center; font-weight: 700; font-size: .9rem;
}
.quote__name { font-weight: 600; font-size: .95rem; }
.quote__role { font-size: .84rem; color: var(--ink-faint); }

/* ------------------------------------------------------- 16. Implementacao */
.impl__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px; align-items: center;
}
.impl__steps { display: grid; gap: 18px; margin: 28px 0 32px; }
.impl__step { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; }
.impl__step-icon {
  grid-row: span 2; width: 40px; height: 40px; border-radius: var(--r-md);
  display: grid; place-items: center; background: var(--primary-tint); color: var(--primary-dark);
}
.impl__step-icon svg { width: 20px; height: 20px; }
.impl__step h3 { margin: 0; font-size: 1.02rem; align-self: center; }
.impl__step p { margin: 0; font-size: .94rem; color: var(--ink-soft); }

/* ---------------------------------------------------------- 17. Proposito */
.purpose { text-align: center; }
.purpose__logo { width: 52px; height: 52px; margin: 0 auto 22px; border-radius: 14px; }
.purpose p { max-width: 60ch; margin-inline: auto; }
.purpose__by {
  margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--border);
  font-size: .95rem; color: var(--ink-soft);
}

/* -------------------------------------------------------------- 18. FAQ */
.faq { max-width: 800px; margin-inline: auto; }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__item summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
  padding: 22px 4px; cursor: pointer; list-style: none;
  font-weight: 600; font-size: 1.03rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: ''; flex: none; width: 12px; height: 12px; margin-top: 8px;
  border-right: 2px solid var(--primary); border-bottom: 2px solid var(--primary);
  transform: rotate(45deg); transition: transform .22s ease;
}
.faq__item[open] summary::after { transform: rotate(-135deg); }
.faq__item p { padding: 0 4px 24px; margin: 0; color: var(--ink-soft); font-size: .98rem; max-width: 68ch; }

/* --------------------------------------------------------- 19. CTA final */
.final { text-align: center; }
.final h2 { max-width: 20ch; margin-inline: auto; }
.final .lede { margin-inline: auto; }
.final .cta-row { justify-content: center; }

/* ------------------------------------------------------------ 20. Footer */
.footer { background: var(--primary-darker); color: #c9c2b7; padding-block: 56px 32px; }
.footer a { color: #c9c2b7; text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; }
.footer__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 40px; }
.footer__brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 1.06rem; margin-bottom: 14px;
}
.footer__brand img { width: 32px; height: 32px; border-radius: 9px; }
.footer p { font-size: .93rem; max-width: 34ch; }
.footer h3 {
  color: #fff; font-size: .78rem; letter-spacing: .12em;
  text-transform: uppercase; margin-bottom: 14px;
}
.footer li + li { margin-top: 9px; }
.footer li a { font-size: .94rem; }
.footer__bottom {
  margin-top: 44px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
  font-size: .86rem; color: #9a9288;
}

/* ------------------------------------------- 21. Botao flutuante do WhatsApp */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 20px 14px 16px;
  border-radius: var(--r-pill);
  background: #1f8f4d; color: #fff;
  font-weight: 600; font-size: .95rem; text-decoration: none;
  box-shadow: 0 10px 28px rgba(31, 143, 77, .35);
  transform: translateY(140%); opacity: 0;
  transition: transform .3s cubic-bezier(.22, .7, .3, 1), opacity .3s ease, background-color .18s ease;
}
.wa-float.is-visible { transform: none; opacity: 1; }
.wa-float:hover { background: #187a41; color: #fff; }
.wa-float svg { width: 22px; height: 22px; flex: none; }

/* --------------------------------------------------------- 22. Responsivo */
@media (max-width: 1000px) {
  :root { --section-y: 76px; }
  .hero__inner,
  .problem__grid,
  .speed__grid,
  .impl__grid { grid-template-columns: 1fr; gap: 40px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--bg); border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 12px var(--gutter) 20px;
    display: none;
  }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__list a:not(.btn) { padding: 13px 12px; font-size: 1rem; }
  /* O CTA continua no menu recolhido: e o unico ponto de contato do topo. */
  .nav .btn { margin: 10px 0 0; width: 100%; }
  .nav-toggle { display: inline-flex; }

  .grid--3, .grid--2, .results, .diag__grid { grid-template-columns: 1fr; gap: 20px; }
  .diag__demo { margin-top: 8px; }
  .trust__list { grid-template-columns: 1fr 1fr; gap: 16px; }
  .case__body { grid-template-columns: 1fr; gap: 24px; padding: 26px; }
  .case__stats { grid-template-columns: 1fr; }
  .case__stat + .case__stat { border-left: 0; border-top: 1px solid var(--border-soft); }
  .hero__badge { position: static; margin-top: 16px; max-width: none; box-shadow: var(--shadow-sm); }
}

@media (max-width: 600px) {
  :root { --gutter: 18px; --section-y: 64px; }
  body { font-size: 16px; }
  .hero { padding-block: 44px 64px; }
  .grid--4, .footer__grid { grid-template-columns: 1fr; }
  .card { padding: 22px; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; }
  .conflict__row { grid-template-columns: 42px repeat(5, minmax(0, 1fr)); gap: 4px; }
  .conflict__cell { height: 34px; font-size: .6rem; }
  .wa-float { right: 14px; bottom: 14px; padding: 13px 18px 13px 15px; }
}

/* --------------------------------------- 23. Preferencia por menos movimento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .wa-float { transform: none; opacity: 1; }
}

/* ------------------------------------------------------------ 24. Impressao */
@media print {
  .header, .wa-float, .nav-toggle { display: none !important; }
  body { background: #fff; }
  .section { padding-block: 24px; }
}