/* =====================================================================
   Oi Aurora — site oiaurora.com.br
   Camada de aplicação: usa exclusivamente os tokens de tokens.css.
   Nenhum hex solto — cor, raio, sombra, espaço e tempo vêm de var().
   ===================================================================== */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--white);
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

/* Foco visível e on-brand em tudo que é interativo */
:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--secondary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute; left: var(--space-4); top: calc(var(--space-4) * -6);
  z-index: 100; background: var(--ink); color: var(--white);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-pill);
  font-weight: 700; transition: top var(--dur-base) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); color: var(--white); }

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

/* Escala fluida — mantém a proporção do design system, cabe no celular */
h1 { font-size: clamp(2.125rem, 1.35rem + 3.4vw, var(--text-4xl)); }
h2 { font-size: clamp(1.75rem, 1.25rem + 2.2vw, var(--text-3xl)); }
h3 { font-size: clamp(1.5rem, 1.2rem + 1.3vw, var(--text-2xl)); }
h4 { font-size: clamp(1.2rem, 1.08rem + 0.5vw, var(--text-xl)); }
.hero-display { font-size: clamp(2.375rem, 1.4rem + 4.3vw, var(--text-5xl)); }

/* ---------------------------------------------------------------------
   2. Layout
   ------------------------------------------------------------------ */
.container { width: 100%; max-width: 1140px; margin-inline: auto; padding-inline: var(--space-5); }
.container-narrow { max-width: 760px; }

section { padding-block: clamp(var(--space-8), 6vw, var(--space-12)); }
.section-tint  { background: var(--secondary-soft); }
.section-warm  { background: var(--accent-soft); }
.section-muted { background: var(--gray-50); }

.section-head { max-width: 660px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin: var(--space-3) 0 var(--space-4); }
.section-head .lead { margin: 0; }
.section-foot { margin-top: var(--space-8); text-align: center; }

/* Eyebrow: um passo mais escuro na rampa da marca.
   O laranja puro sobre branco fica em 2.9:1 — insuficiente para texto de 14px.
   --orange-700 sobe para 4.3:1 e continua inequivocamente laranja Aurora. */
.eyebrow { display: inline-block; margin: 0; color: var(--orange-700); }
.eyebrow-teal { color: var(--secondary-hover); }

.lead { font-size: clamp(1.0625rem, 1rem + 0.35vw, var(--text-lg)); }

/* ---------------------------------------------------------------------
   3. Botões
   ------------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-weight: 700; font-size: var(--text-base);
  line-height: 1.2; text-align: center; text-decoration: none;
  padding: 14px var(--space-5); border: 1px solid transparent; border-radius: var(--radius-pill);
  cursor: pointer; transition:
    background-color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
}
.btn:active { transform: scale(.98); }
.btn .ico { width: 18px; height: 18px; flex: none; }
.btn-sm { padding: 10px var(--space-4); font-size: var(--text-sm); }
.btn-lg { padding: 17px var(--space-6); font-size: var(--text-lg); }
.btn-block { width: 100%; }

.btn-primary { background: var(--accent); color: var(--fg-on-color); box-shadow: var(--shadow-accent); }
.btn-primary:hover { background: var(--accent-hover); color: var(--fg-on-color); }

/* Fills de teal usam --teal-700 quando carregam texto branco:
   o teal-600 fica em 3.0:1 com branco, o teal-700 em 5.0:1.
   Hover escurece com brightness — mantém o matiz, sem inventar hex fora dos tokens. */
.btn-secondary { background: var(--secondary-hover); color: var(--fg-on-color); box-shadow: none; }
.btn-secondary:hover { filter: brightness(.92); color: var(--fg-on-color); }

.btn-ghost { background: transparent; color: var(--fg1); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--gray-50); border-color: var(--ink); color: var(--fg1); }

.btn-on-dark { background: var(--white); color: var(--accent-hover); }
.btn-on-dark:hover { background: var(--accent-soft); color: var(--accent-hover); }

.btn-link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 700; color: var(--accent);
}
.btn-link .ico { width: 16px; height: 16px; transition: transform var(--dur-base) var(--ease-out); }
.btn-link:hover .ico { transform: translateX(3px); }

/* ---------------------------------------------------------------------
   4. Header
   ------------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--white);
  transition: background-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.site-header[data-scrolled="true"] {
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center; gap: var(--space-5);
  padding-block: var(--space-3);
}
.brand { display: flex; align-items: center; flex: none; }
.brand img { height: 46px; width: auto; }

.nav-links { display: flex; align-items: center; gap: var(--space-5); margin-left: auto; }
.nav-links a {
  font-weight: 600; font-size: 15px; color: var(--fg2);
  padding-block: var(--space-2); position: relative;
  transition: color var(--dur-base) var(--ease-out);
}
.nav-links a:hover { color: var(--fg1); }
.nav-links a[aria-current="page"] { color: var(--fg1); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; border-radius: var(--radius-pill); background: var(--accent);
}
/* O CTA dentro do <nav> existe só para o menu mobile */
.nav-links .btn { display: none; }
.header-cta { flex: none; }

.nav-toggle {
  display: none; margin-left: auto;
  width: 44px; height: 44px; padding: 0;
  background: var(--gray-50); border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--fg1); cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle .ico { width: 22px; height: 22px; }
.nav-toggle .ico-close { display: none; }
.nav-toggle[aria-expanded="true"] .ico-close { display: block; }
.nav-toggle[aria-expanded="true"] .ico-open { display: none; }

/* ---------------------------------------------------------------------
   5. Hero
   ------------------------------------------------------------------ */
.hero { position: relative; overflow: hidden; padding-block: clamp(var(--space-8), 5vw, var(--space-10)) clamp(var(--space-10), 7vw, var(--space-12)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(var(--space-6), 5vw, var(--space-10)); align-items: center; }
/* Logo do hero: 138px = 3× os 46px da barra superior */
.hero-logo { height: 138px; width: auto; margin-bottom: var(--space-5); }
.hero-copy h1 { margin: var(--space-4) 0 var(--space-4); }
.hero-copy .lead { margin: 0; max-width: 34ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: var(--space-6) 0 var(--space-5); }
.hero-trust { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-sm); color: var(--fg2); }
.trust-dots { display: flex; flex: none; }
.trust-dots span {
  width: 30px; height: 30px; border-radius: var(--radius-pill);
  border: 2px solid var(--white); margin-left: -8px; background: var(--teal-400);
}
.trust-dots span:first-child { margin-left: 0; }
.trust-dots span:nth-child(2) { background: var(--orange-400); }
.trust-dots span:nth-child(3) { background: var(--teal-600); }
.trust-dots span:nth-child(4) { background: var(--orange-600); }

/* Painel visual — o canal principal da marca (WhatsApp), representado com calma */
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-mark {
  position: absolute; width: 180px; right: -34px; bottom: -46px;
  opacity: .10; z-index: 0; pointer-events: none;
}
.chat-card {
  position: relative; z-index: 1; width: 100%; max-width: 390px;
  background: var(--bg-elevated); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg); padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.chat-head { display: flex; align-items: center; gap: var(--space-3); }
.chat-head > div { min-width: 0; display: flex; flex-direction: column; line-height: var(--leading-snug); }
.chat-head strong { font-size: var(--text-sm); }
.chat-head small { font-size: var(--text-xs); color: var(--fg2); }
.avatar {
  width: 42px; height: 42px; flex: none; border-radius: var(--radius-pill);
  background: var(--secondary-soft); color: var(--secondary-hover);
  display: grid; place-items: center;
  font-family: var(--font-display); font-size: var(--text-lg);
}
.badge-live {
  margin-left: auto; flex: none;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--text-xs); font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
  color: var(--secondary-hover); background: var(--secondary-soft);
  padding: 5px 10px; border-radius: var(--radius-sm);
}
.badge-live::before {
  content: ""; width: 6px; height: 6px; border-radius: var(--radius-pill);
  background: var(--secondary); animation: pulse 2.4s var(--ease-soft) infinite;
}
.bubble {
  font-size: var(--text-sm); padding: 10px 14px; border-radius: var(--radius-md);
  max-width: 86%; margin: 0;
}
.bubble-in { background: var(--gray-50); align-self: flex-start; border-bottom-left-radius: var(--space-1); }
.bubble-out { background: var(--secondary-hover); color: var(--fg-on-color); align-self: flex-end; border-bottom-right-radius: var(--space-1); }
.chat-foot {
  display: flex; align-items: center; gap: var(--space-3);
  margin-top: var(--space-1); padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  font-size: 13px; color: var(--fg2);
}
.chat-foot .ico { width: 20px; height: 20px; flex: none; color: var(--accent); }
.chat-foot b { color: var(--fg1); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .badge-live::before { animation: none; } }

/* Hero curto — páginas internas */
.hero-slim { padding-block: clamp(var(--space-8), 5vw, var(--space-10)); background: var(--gray-50); }
.hero-slim h1 { margin: var(--space-3) 0 var(--space-4); }
.hero-slim .lead { margin: 0; max-width: 58ch; }

/* ---------------------------------------------------------------------
   6. Grids e cards
   ------------------------------------------------------------------ */
.grid { display: grid; gap: var(--space-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-top { margin-top: var(--space-8); }
.grid-start { align-items: start; }
.grid-wide-first { grid-template-columns: 1.1fr .9fr; }

.card {
  background: var(--bg-elevated); border-radius: var(--radius-lg);
  padding: var(--space-5); box-shadow: var(--shadow-sm);
}
.card h3, .card h4 { margin: 0 0 var(--space-2); }
.card p { margin: 0; color: var(--fg2); font-size: 15px; }

.card-outline {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: var(--space-6); box-shadow: none;
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.card-outline:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
@media (prefers-reduced-motion: reduce) { .card-outline:hover { transform: none; } }

.ico-tile {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: grid; place-items: center; margin-bottom: var(--space-4);
  background: var(--accent-soft); color: var(--accent);
}
.ico-tile .ico { width: 26px; height: 26px; }
.ico-tile[data-tone="teal"] { background: var(--secondary-soft); color: var(--secondary-hover); }
.ico-tile-sm { width: 44px; height: 44px; margin-bottom: var(--space-3); }
.ico-tile-sm .ico { width: 22px; height: 22px; }

/* Lista com marcador de check */
.list-check { display: grid; gap: var(--space-2); margin: var(--space-4) 0 0; }
.list-check li {
  display: grid; grid-template-columns: 20px 1fr; gap: var(--space-3);
  align-items: start; font-size: 15px; color: var(--fg2);
}
.list-check .ico { width: 20px; height: 20px; color: var(--secondary); margin-top: 3px; }

/* Passos numerados */
.step { position: relative; padding-top: var(--space-5); }
.step::before {
  content: ""; position: absolute; top: 0; left: 0; width: 56px; height: 4px;
  border-radius: var(--radius-pill); background: var(--accent);
}
.step-n {
  font-family: var(--font-display); font-size: var(--text-2xl);
  color: var(--accent); line-height: 1; display: block; margin-bottom: var(--space-2);
}
.step h3 { margin: 0 0 var(--space-2); font-size: var(--text-xl); }
.step p { margin: 0; color: var(--fg2); font-size: 15px; }

/* Pilares (página Soluções) — copy + entregáveis, alternando o lado */
.pillar {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-5), 4vw, var(--space-8));
  align-items: center;
  padding-block: clamp(var(--space-6), 4vw, var(--space-8));
  border-top: 1px solid var(--border);
  scroll-margin-top: 96px;
}
.pillar:first-of-type { border-top: 0; padding-top: 0; }
.pillar-copy > p { color: var(--fg2); margin: 0; }
.pillar-copy h2 { margin: 0 0 var(--space-3); font-size: var(--text-2xl); }
.pillar-panel {
  background: var(--gray-50); border-radius: var(--radius-lg);
  padding: clamp(var(--space-5), 3vw, var(--space-6));
}
.pillar-panel h3 {
  font-family: var(--font-body); font-weight: 800; font-size: 13px;
  letter-spacing: .05em; text-transform: uppercase; color: var(--fg2);
  margin: 0; line-height: var(--leading-normal);
}
.pillar-panel .list-check { margin-top: var(--space-3); }
.pillar-panel .list-check li { color: var(--fg1); }
.pillar:nth-of-type(even) .pillar-copy { order: 2; }

/* ---------------------------------------------------------------------
   7. Prova
   ------------------------------------------------------------------ */
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(var(--space-6), 4vw, var(--space-10)); align-items: center; }
.big-stat {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 2rem + 6vw, 4.75rem); line-height: 1;
  color: var(--accent); margin: var(--space-3) 0 var(--space-3);
}
.proof-line { font-size: var(--text-lg); max-width: 24ch; margin: 0; }
.stat-row { display: flex; flex-wrap: wrap; gap: var(--space-6); margin-top: var(--space-5); }
.stat-row div { display: flex; flex-direction: column; }
.stat-row b { font-family: var(--font-display); font-size: var(--text-xl); color: var(--secondary); }
.stat-row small { color: var(--fg2); font-size: 13px; }

.quote-card {
  background: var(--ink); color: var(--white);
  border-radius: var(--radius-xl); padding: clamp(var(--space-5), 3vw, var(--space-8));
}
.quote-mark {
  display: block; font-family: var(--font-body); font-weight: 800; font-size: 68px;
  line-height: 1; color: var(--accent); height: 40px; overflow: hidden;
}
.quote-card blockquote {
  font-family: var(--font-display); font-size: clamp(1.25rem, 1rem + 1vw, 1.45rem);
  line-height: 1.4; margin: var(--space-4) 0 var(--space-6);
}
.quote-author { display: flex; align-items: center; gap: var(--space-3); }
.quote-author .avatar { background: var(--accent); color: var(--fg-on-color); }
.quote-author strong { display: block; }
.quote-author small { color: rgba(255, 255, 255, .6); }

/* ---------------------------------------------------------------------
   8. Faixa de CTA
   ------------------------------------------------------------------ */
.cta-band {
  position: relative; overflow: hidden; text-align: center;
  background: var(--secondary-hover); color: var(--fg-on-color);
  border-radius: var(--radius-xl); padding: clamp(var(--space-8), 5vw, var(--space-10)) var(--space-5);
}
.cta-band h2 { color: var(--fg-on-color); max-width: 22ch; margin: 0 auto var(--space-3); }
.cta-band p { color: rgba(255, 255, 255, .92); max-width: 46ch; margin: 0 auto var(--space-6); }
.cta-mark { position: absolute; width: 240px; right: -46px; top: -46px; opacity: .14; pointer-events: none; }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; }
.cta-fine { display: block; margin-top: var(--space-5); font-size: var(--text-sm); color: rgba(255, 255, 255, .72); }

/* ---------------------------------------------------------------------
   9. Formulário
   ------------------------------------------------------------------ */
.form-card {
  background: var(--bg-elevated); border-radius: var(--radius-xl);
  padding: clamp(var(--space-5), 3vw, var(--space-8)); box-shadow: var(--shadow-md);
}
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-weight: 700; font-size: 13px; margin-bottom: 6px; }
.field .opt { color: var(--fg3); font-weight: 400; }
.field input, .field textarea, .field select {
  width: 100%; font-family: var(--font-body); font-size: 15px; color: var(--fg1);
  padding: 12px 14px; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  outline: none; resize: vertical;
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg3); }
.field :is(input, textarea, select):focus {
  border-color: var(--teal-400); box-shadow: 0 0 0 3px var(--secondary-soft); outline: none;
}
.form-fine { display: block; margin-top: var(--space-3); font-size: var(--text-xs); color: var(--fg2); text-align: center; }

/* Bloco de contato direto */
.contact-list { display: grid; gap: var(--space-3); margin-top: var(--space-5); }
.contact-item {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4); background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.contact-item:hover { border-color: transparent; box-shadow: var(--shadow-md); }
.contact-item .ico-tile { margin-bottom: 0; }
.contact-item strong { display: block; color: var(--fg1); font-size: 15px; }
.contact-item span { display: block; color: var(--fg2); font-size: var(--text-sm); }

/* ---------------------------------------------------------------------
   10. FAQ
   ------------------------------------------------------------------ */
.faq { display: grid; gap: var(--space-3); margin-top: var(--space-8); }
.faq details {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: border-color var(--dur-base) var(--ease-out);
}
.faq details[open] { border-color: var(--border-strong); }
.faq summary {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4) var(--space-5); cursor: pointer;
  font-family: var(--font-display); font-size: var(--text-lg); line-height: var(--leading-snug);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; margin-left: auto;
  width: 11px; height: 11px; border-right: 2px solid var(--fg2); border-bottom: 2px solid var(--fg2);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform var(--dur-base) var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(225deg) translate(-3px, -3px); }
.faq summary:hover { background: var(--gray-50); }
.faq .faq-body { padding: 0 var(--space-5) var(--space-5); }
.faq .faq-body p { margin: 0; color: var(--fg2); font-size: 15px; }

/* ---------------------------------------------------------------------
   11. Texto corrido (sobre, privacidade)
   ------------------------------------------------------------------ */
.prose { max-width: 68ch; }
.prose h2 { margin: var(--space-8) 0 var(--space-3); font-size: var(--text-2xl); }
.prose h3 { margin: var(--space-6) 0 var(--space-2); font-size: var(--text-xl); }
.prose p { margin: 0 0 var(--space-4); color: var(--fg2); }
.prose ul { margin: 0 0 var(--space-4); display: grid; gap: var(--space-2); }
.prose ul li {
  position: relative; padding-left: var(--space-5); color: var(--fg2);
}
.prose ul li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border-radius: var(--radius-pill); background: var(--secondary);
}
.prose strong { color: var(--fg1); }
.prose > :first-child { margin-top: 0; }

.pull {
  font-family: var(--font-display); font-size: var(--text-xl); line-height: var(--leading-snug);
  color: var(--fg1); border-left: 3px solid var(--accent);
  padding-left: var(--space-5); margin: var(--space-6) 0;
}

/* Valores */
.value h3 { margin: 0 0 var(--space-2); font-size: var(--text-xl); }
.value p { margin: 0; color: var(--fg2); font-size: 15px; }

/* ---------------------------------------------------------------------
   12. Rodapé
   ------------------------------------------------------------------ */
.site-footer { background: var(--gray-50); padding-block: var(--space-10) var(--space-5); margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 1.25fr 2fr; gap: clamp(var(--space-6), 4vw, var(--space-10)); }
.footer-brand img { height: 42px; width: auto; margin-bottom: var(--space-4); }
.footer-brand p { color: var(--fg2); font-size: 15px; max-width: 32ch; margin: 0 0 var(--space-4); }
.footer-social { display: flex; gap: var(--space-2); }
.footer-social a {
  width: 40px; height: 40px; border-radius: var(--radius-pill);
  display: grid; place-items: center;
  background: var(--white); color: var(--fg2); border: 1px solid var(--border);
  transition: color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.footer-social a:hover { color: var(--accent); border-color: var(--accent); }
.footer-social .ico { width: 19px; height: 19px; }

.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.footer-cols h2 {
  font-family: var(--font-body); font-weight: 800; font-size: 13px;
  letter-spacing: .05em; text-transform: uppercase; color: var(--fg1);
  margin: 0 0 var(--space-3); line-height: var(--leading-normal);
}
.footer-cols a { display: block; font-size: var(--text-sm); color: var(--fg2); padding-block: 5px; }
.footer-cols a:hover { color: var(--accent); }

.footer-bottom {
  margin-top: var(--space-8); padding-top: var(--space-5); border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-5);
  justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--fg2);
}
.footer-bottom a { color: var(--fg2); }
.footer-bottom a:hover { color: var(--accent); }

/* ---------------------------------------------------------------------
   13. Botão flutuante de WhatsApp
   ------------------------------------------------------------------ */
.wa-float {
  position: fixed; right: clamp(var(--space-4), 3vw, var(--space-6)); bottom: clamp(var(--space-4), 3vw, var(--space-6));
  z-index: 50;
  display: inline-flex; align-items: center; gap: var(--space-3);
  padding: 14px var(--space-5); border-radius: var(--radius-pill);
  background: var(--secondary-hover); color: var(--fg-on-color);
  font-weight: 700; font-size: 15px; box-shadow: var(--shadow-lg);
  transition: filter var(--dur-base) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.wa-float:hover { filter: brightness(.92); color: var(--fg-on-color); }
.wa-float:active { transform: scale(.98); }
.wa-float .ico { width: 22px; height: 22px; flex: none; }

/* ---------------------------------------------------------------------
   14. Página 404
   ------------------------------------------------------------------ */
.page-404 { text-align: center; padding-block: clamp(var(--space-10), 10vw, var(--space-12)); }
.page-404 img { width: 120px; margin: 0 auto var(--space-5); opacity: .9; }
.page-404 .code {
  font-family: var(--font-display); font-size: var(--text-2xl); color: var(--secondary);
  letter-spacing: .06em; margin: 0 0 var(--space-2);
}
.page-404 p { color: var(--fg2); max-width: 44ch; margin: var(--space-4) auto var(--space-6); }

/* ---------------------------------------------------------------------
   15. Revelação no scroll — sobe pouco, sem overshoot
   ------------------------------------------------------------------ */
.reveal { opacity: 0; transform: translateY(14px); }
.js-ready .reveal {
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }
html:not(.js-ready) .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn:active, .wa-float:active { transform: none; }
}

/* ---------------------------------------------------------------------
   16. Responsivo
   ------------------------------------------------------------------ */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .pillar { grid-template-columns: 1fr; }
  .pillar:nth-of-type(even) .pillar-copy { order: 0; }
  .hero-grid, .proof-grid, .footer-top { grid-template-columns: 1fr; }
  .hero-copy .lead { max-width: 46ch; }
  .hero-visual { justify-content: flex-start; }
  .hero-mark { width: 140px; right: 8px; bottom: -30px; }
  .proof-copy > p { max-width: 34ch; }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-top: 1px solid var(--border);
    box-shadow: var(--shadow-md); padding: var(--space-3) var(--space-5) var(--space-5);
  }
  .site-header { position: sticky; }
  .header-inner { position: relative; }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links a { font-size: var(--text-base); padding-block: var(--space-3); border-bottom: 1px solid var(--border); }
  .nav-links a:last-of-type { border-bottom: 0; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-links a[aria-current="page"] { color: var(--accent); }
  .nav-links .btn { display: inline-flex; margin-top: var(--space-4); }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
}

@media (max-width: 860px) {
  .grid-wide-first { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
  .hero-actions .btn { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .wa-float { padding: 14px; }
  .wa-float span { display: none; }
  .footer-bottom { justify-content: flex-start; }
}

@media (max-width: 420px) {
  .footer-cols { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------
   17. Impressão
   ------------------------------------------------------------------ */
@media print {
  .site-header, .wa-float, .cta-band, .btn { display: none !important; }
  body { background: var(--white); }
}