/* =========================================================
   Grupo Universo — design system
   Paleta extraída da identidade real (logo + posts do Instagram):
   azul-royal #007EBA -> índigo profundo #10043C, âmbar de selo #F3B02E
   ========================================================= */

:root {
  /* cor */
  --navy-950: #0b0a2e;   /* fundo profundo (hero, rodapé) */
  --navy-900: #14123f;   /* superfície navy secundária */
  --navy-800: #1d1a52;   /* cards sobre navy */
  --ink: #10043c;        /* texto em fundo claro (cor real do wordmark) */
  --blue-600: #0074ac;   /* azul da marca (dos pontos do globo), ajustado para contraste AA em texto */
  --blue-500: #0068a4;
  --sky-400: #4fc3f0;    /* realce claro, títulos sobre navy */
  --amber-400: #f3b02e;  /* selo / CTA quente, uso comedido */
  --paper: #f3f6f9;      /* fundo claro, neutro frio */
  --paper-dim: #e7edf3;
  --white: #ffffff;
  --line: #dbe4ec;
  --text-dim: #4a5568;

  /* tipo */
  --font-display: "Manrope", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;

  /* layout */
  --max-w: 1140px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(11, 10, 46, 0.04), 0 12px 28px -14px rgba(11, 10, 46, 0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.5em;
  text-wrap: balance;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { margin: 0 0 1em; max-width: 62ch; }
p.lede { font-size: 1.1rem; color: var(--text-dim); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

:focus-visible {
  outline: 3px solid var(--amber-400);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- top bar ---------- */
.topbar {
  background: var(--navy-950);
  color: var(--white);
  font-size: 0.85rem;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
}
.topbar a { text-decoration: none; opacity: 0.9; }
.topbar a:hover { opacity: 1; text-decoration: underline; }
.topbar .topbar-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ---------- header / nav ---------- */
header.site {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
header.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand img { height: 42px; width: auto; }
.brand-word { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.brand-word span { display: block; font-family: var(--font-body); font-weight: 600; font-size: 0.62rem; letter-spacing: 0.14em; color: var(--blue-600); text-transform: uppercase; }

nav.main { display: flex; align-items: center; gap: 2rem; }
nav.main ul { list-style: none; display: flex; gap: 1.75rem; margin: 0; padding: 0; }
nav.main a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
nav.main a:hover, nav.main a[aria-current="page"] { border-color: var(--blue-600); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.7rem 1.3rem;
  border-radius: 100px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: #25d366; color: #06210f; }
.btn-primary:hover { background: #1fbd5a; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--blue-600); color: var(--blue-600); }
.btn-light { background: var(--white); color: var(--navy-950); }
.btn-light:hover { background: var(--paper-dim); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--navy-950);
  color: var(--white);
  overflow: hidden;
}
.hero canvas.dotfield {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}
.hero .container {
  position: relative;
  padding: 5.5rem 1.5rem 5rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}
.hero .eyebrow {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sky-400);
  margin-bottom: 1rem;
}
.hero h1 { color: var(--white); }
.hero h1 em { color: var(--sky-400); font-style: normal; }
.hero p.lede { color: #c7d2e0; max-width: 46ch; }
.hero .actions { display: flex; gap: 0.9rem; margin-top: 1.75rem; flex-wrap: wrap; }
.hero .fact-card {
  background: var(--navy-900);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.hero .fact-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 1rem; margin: 0; }
.hero .fact-card dt { font-size: 0.78rem; color: #9fb0c9; text-transform: uppercase; letter-spacing: 0.06em; }
.hero .fact-card dd { margin: 0.2rem 0 0; font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; color: var(--white); }

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 3rem; padding-bottom: 3rem; }
}

/* ---------- trust strip ---------- */
.trust-strip { background: var(--paper); border-bottom: 1px solid var(--line); }
.trust-strip .container {
  padding: 1.75rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.trust-item { display: flex; align-items: center; gap: 0.75rem; }
.trust-item .icon {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-600);
}
.trust-item .icon svg { width: 20px; height: 20px; }
.trust-item strong { display: block; font-size: 0.88rem; font-family: var(--font-display); }
.trust-item span { font-size: 0.8rem; color: var(--text-dim); }

@media (max-width: 860px) {
  .trust-strip .container { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- section shell ---------- */
section { padding: 4.5rem 0; }
.section-head { max-width: 60ch; margin-bottom: 2.5rem; }
.section-head .eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 0.6rem;
  display: block;
}
.on-navy { background: var(--navy-950); color: var(--white); }
.on-navy p { color: #c7d2e0; }
.on-navy .section-head .eyebrow { color: var(--sky-400); }
.on-paper { background: var(--paper); }

/* ---------- category grid ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .cat-grid { grid-template-columns: 1fr; }
}
.cat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.cat-card .icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--navy-950);
  color: var(--sky-400);
  display: flex; align-items: center; justify-content: center;
}
.cat-card .icon svg { width: 26px; height: 26px; }
.cat-card h3 { margin-bottom: 0.15rem; }
.cat-card p { font-size: 0.92rem; color: var(--text-dim); margin-bottom: 0.5rem; }
.cat-card .cat-link {
  margin-top: auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--blue-600);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.cat-card .cat-link:hover { text-decoration: underline; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; counter-reset: step; }
.step { position: relative; padding-left: 3.2rem; }
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: -0.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--navy-950);
  background: var(--sky-400);
  width: 2.3rem; height: 2.3rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
@media (max-width: 780px) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- about teaser / split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split img, .split .art { border-radius: var(--radius); }
.art-swatch {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue-600), var(--navy-950));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}
.art-swatch span {
  font-family: var(--font-display);
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
}
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--navy-950);
  color: var(--white);
  text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p { color: #c7d2e0; margin: 0 auto 1.75rem; }
.cta-band .actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ---------- footer ---------- */
footer.site {
  background: var(--navy-950);
  color: #c7d2e0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
footer.site .container {
  padding: 3.5rem 1.5rem 2rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
}
footer.site h4 { color: var(--white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; }
footer.site ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.55rem; }
footer.site a { text-decoration: none; color: #c7d2e0; font-size: 0.92rem; }
footer.site a:hover { color: var(--white); }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.9rem; }
.footer-brand img { height: 34px; filter: brightness(0) invert(1); }
.footer-brand strong { font-family: var(--font-display); color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.25rem 1.5rem;
  font-size: 0.8rem;
  color: #8b98b3;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
@media (max-width: 780px) {
  footer.site .container { grid-template-columns: 1fr; }
}

/* ---------- whatsapp float ---------- */
.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  background: #25d366;
  color: #06210f;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 8px 24px -6px rgba(6, 33, 15, 0.55);
}
.wa-float svg { width: 28px; height: 28px; }

/* ---------- page hero (inner pages) ---------- */
.page-hero {
  background: var(--navy-950);
  color: var(--white);
  padding: 3.25rem 0;
}
.page-hero .eyebrow { color: var(--sky-400); font-family: var(--font-display); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.8rem; }
.page-hero h1 { color: var(--white); margin-top: 0.5rem; }
.page-hero p { color: #c7d2e0; }

/* ---------- product detail blocks ---------- */
.product-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  align-items: start;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line);
}
.product-block:last-child { border-bottom: none; }
.product-block .icon {
  width: 96px; height: 96px;
  border-radius: 20px;
  background: var(--navy-950);
  color: var(--sky-400);
  display: flex; align-items: center; justify-content: center;
}
.product-block .icon svg { width: 48px; height: 48px; }
.product-block ul.items {
  list-style: none;
  margin: 0.75rem 0 1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.product-block ul.items li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 0.3rem 0.85rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}
@media (max-width: 700px) {
  .product-block { grid-template-columns: 1fr; }
}

/* ---------- contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.contact-card .icon {
  flex: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--navy-950);
  color: var(--sky-400);
  display: flex; align-items: center; justify-content: center;
}
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card h3 { margin-bottom: 0.25rem; }
.contact-card a { color: var(--blue-600); text-decoration: none; font-weight: 600; }
.contact-card a:hover { text-decoration: underline; }
.contact-list { display: flex; flex-direction: column; gap: 1rem; }
.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  min-height: 320px;
}
.map-frame iframe { width: 100%; height: 100%; min-height: 320px; border: 0; }
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- mobile nav ---------- */
@media (max-width: 900px) {
  nav.main ul { display: none; }
  .nav-toggle { display: flex; }
  header.site .btn-primary { display: none; }
  nav.main.open ul {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.5rem 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow);
  }
  header.site { position: relative; }
  header.site .container { position: relative; }
}
@media (max-width: 560px) {
  .topbar .topbar-links:last-child { display: none; }
  .brand-word { font-size: 1rem; }
}

/* =========================================================
   Evolução visual — motivo do globo pontilhado (assinatura
   da marca) usado como fio condutor: anéis pontilhados nos
   ícones, divisores em constelação, selo âmbar.
   ========================================================= */

/* ---------- botões: micro-interação ---------- */
.btn { transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease; }
.btn-primary { box-shadow: 0 10px 24px -12px rgba(37, 211, 102, 0.55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(37, 211, 102, 0.65); }
.btn-light:hover { transform: translateY(-2px); }
.btn-ghost:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-icon { flex: none; width: 46px; height: 46px; padding: 0; border-radius: 50%; }

/* ---------- selo / badge âmbar ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.45rem 0.9rem 0.45rem 0.7rem;
  border-radius: 100px;
  max-width: 100%;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; flex: none; background: currentColor; }
.badge-amber {
  background: rgba(243, 176, 46, 0.14);
  border: 1px solid rgba(243, 176, 46, 0.4);
  color: #8a5c0a;
}
.badge-amber .dot { box-shadow: 0 0 0 4px rgba(243, 176, 46, 0.2); }
.hero .badge-amber, .on-navy .badge-amber { color: var(--amber-400); }

/* ---------- nó / ícone com anel pontilhado (globo da marca) ---------- */
.cat-card .icon,
.product-block .icon,
.contact-card .icon {
  border-radius: 50%;
  position: relative;
}
.cat-card .icon::after,
.product-block .icon::after,
.contact-card .icon::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px dotted currentColor;
  opacity: 0.32;
}

/* ---------- divisor em constelação ---------- */
.orbit-rule {
  height: 30px;
  background-image: radial-gradient(circle, rgba(0, 116, 172, 0.32) 1.6px, transparent 1.6px);
  background-size: 22px 22px;
  background-position: center;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}
.on-navy .orbit-rule,
.hero .orbit-rule {
  background-image: radial-gradient(circle, rgba(79, 195, 240, 0.4) 1.6px, transparent 1.6px);
}

/* ---------- hero: destaque de tempo de atuação ---------- */
.fact-highlight {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 1.15rem;
  margin-bottom: 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.fact-highlight strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--amber-400);
}
.fact-highlight span { color: #c7d2e0; font-size: 0.85rem; max-width: 22ch; }

/* ---------- categorias: accent por card + hover ---------- */
.cat-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.cat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent, var(--blue-600));
}
.cat-card:hover { transform: translateY(-5px); box-shadow: 0 22px 42px -20px rgba(11, 10, 46, 0.4); }
.cat-card .icon { background: var(--navy-950); color: var(--accent, var(--sky-400)); }
.cat-card:nth-child(5n+1) { --accent: #0074ac; }
.cat-card:nth-child(5n+2) { --accent: #4fc3f0; }
.cat-card:nth-child(5n+3) { --accent: #f3b02e; }
.cat-card:nth-child(5n+4) { --accent: #0068a4; }
.cat-card:nth-child(5n+5) { --accent: #4fc3f0; }

/* ---------- FAQ (accordion nativo, acessível) ---------- */
.faq { display: flex; flex-direction: column; gap: 0.75rem; max-width: 780px; }
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 1.25rem;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.faq summary .plus::before, .faq summary .plus::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--blue-600);
  transform: translate(-50%, -50%);
}
.faq summary .plus::before { width: 10px; height: 1.6px; }
.faq summary .plus::after { width: 1.6px; height: 10px; }
.faq details[open] summary .plus { transform: rotate(135deg); border-color: var(--blue-600); }
.faq details[open] summary { border-bottom: 1px solid var(--line); padding-bottom: 0.9rem; }
.faq .faq-a { padding: 0.9rem 0 1.25rem; color: var(--text-dim); font-size: 0.95rem; margin: 0; max-width: 62ch; }

/* ---------- CTA social (Instagram) ---------- */
.social-cta {
  background: linear-gradient(135deg, var(--navy-950), var(--blue-600));
  border-radius: var(--radius);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  color: var(--white);
}
.social-cta .social-text { display: flex; align-items: center; gap: 1rem; }
.social-cta .social-icon {
  flex: none; width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1.5px dotted rgba(255,255,255,0.4);
  display: flex; align-items: center; justify-content: center;
}
.social-cta .social-icon svg { width: 26px; height: 26px; }
.social-cta .handle { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; display: block; }
.social-cta p { color: #c7d2e0; margin: 0.2rem 0 0; }

/* ---------- reveal on scroll ----------
   Conteúdo sempre visível por padrão (funciona sem JS). A
   animação só é ativada depois que o JS confirma suporte a
   IntersectionObserver, via classe no <html> — reforço
   progressivo, nunca esconde conteúdo se o script falhar. */
html.js-reveal .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}
html.js-reveal .reveal.is-visible { opacity: 1; transform: none; }
.stagger > *:nth-child(1) { transition-delay: 0.03s; }
.stagger > *:nth-child(2) { transition-delay: 0.09s; }
.stagger > *:nth-child(3) { transition-delay: 0.15s; }
.stagger > *:nth-child(4) { transition-delay: 0.21s; }
.stagger > *:nth-child(5) { transition-delay: 0.27s; }

/* ---------- barra fixa de WhatsApp (mobile) ---------- */
.mobile-cta-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: none;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem calc(0.6rem + env(safe-area-inset-bottom));
  background: var(--white);
  border-top: 1px solid var(--line);
  box-shadow: 0 -10px 26px -14px rgba(11, 10, 46, 0.28);
}
.mobile-cta-bar .btn-primary { flex: 1; justify-content: center; }
@media (max-width: 640px) {
  .mobile-cta-bar { display: flex; }
  .wa-float { display: none; }
  body { padding-bottom: 4.6rem; }
}