/**
 * BPOOz - Estilos principais
 * Mobile-first, acessível, B2B
 */

/* ---- Variables ---- */
:root {
  --color-primary: #0d47a1;
  --color-primary-light: #1565c0;
  --color-accent: #42a5f5;
  --color-text: #212121;
  --color-text-muted: #546e7a;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-border: #e0e0e0;
  --font-sans: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}
#main-content { min-height: 60vh; }

/* ---- Acessibilidade ---- */
.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;
}
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #fff;
  z-index: 1000;
  transition: top var(--transition);
}
.skip-link:focus { top: var(--space-md); }

/* ---- Header ---- */
.site-header {
  background: var(--color-bg);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.logo-link { display: inline-block; }
.logo-img { height: 36px; width: auto; max-width: 180px; display: block; }
.main-nav { display: none; }
.main-nav.is-open { display: block; width: 100%; }
.nav-list {
  list-style: none;
  margin: 0;
  padding: var(--space-md) 0 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius);
}
.nav-link:hover, .nav-link.active { background: var(--color-bg-alt); color: var(--color-primary); }
.menu-toggle {
  background: none;
  border: none;
  padding: var(--space-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  aria-label: Abrir menu;
}
.menu-toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition);
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (min-width: 768px) {
  .menu-toggle { display: none; }
  .main-nav { display: block; width: auto; }
  .nav-list { flex-direction: row; padding: 0; }
  .nav-link { padding: var(--space-sm) var(--space-md); }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-text);
  color: #e0e0e0;
  margin-top: var(--space-2xl);
  padding: var(--space-xl) var(--space-lg);
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-brand .footer-logo { filter: brightness(0) invert(1); margin-bottom: var(--space-sm); }
.footer-tagline { color: #9e9e9e; font-size: 0.9rem; margin: 0; }
.footer-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #bdbdbd;
  margin: 0 0 var(--space-sm);
}
.footer-links ul, .footer-legal ul { list-style: none; margin: 0; padding: 0; }
.footer-links a, .footer-legal a, .footer-wa {
  color: #e0e0e0;
  text-decoration: none;
}
.footer-links a:hover, .footer-legal a:hover, .footer-wa:hover { color: #fff; text-decoration: underline; }
.footer-bottom { padding-top: var(--space-lg); border-top: 1px solid #424242; }
.footer-bottom p { margin: 0; font-size: 0.9rem; color: #9e9e9e; }

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

/* ---- CTA WhatsApp fixo ---- */
.cta-whatsapp {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: #25d366;
  color: #fff;
  text-decoration: none;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  z-index: 99;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cta-whatsapp:hover { transform: scale(1.05); box-shadow: 0 6px 24px rgba(37,211,102,0.4); color: #fff; }
.cta-whatsapp-icon { font-size: 1.5rem; }
.cta-whatsapp-text { font-weight: 600; }
@media (max-width: 480px) {
  .cta-whatsapp-text { display: none; }
}

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-lg); }
.container-narrow { max-width: 720px; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-light); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: #fff; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero-title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 0 0 var(--space-md); line-height: 1.2; }
.hero-title .highlight { text-decoration: underline; text-underline-offset: 4px; }
.hero-subtitle { font-size: 1.1rem; margin: 0 0 var(--space-xl); opacity: 0.95; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: center; }
.hero-cta .btn-primary { background: #fff; color: var(--color-primary); }
.hero-cta .btn-primary:hover { background: #f5f5f5; color: var(--color-primary); }
.hero-cta .btn-secondary { border-color: #fff; color: #fff; }
.hero-cta .btn-secondary:hover { background: #fff; color: var(--color-primary); }

/* ---- Page hero (internas) ---- */
.page-hero {
  padding: var(--space-xl) var(--space-lg);
  background: var(--color-bg-alt);
  text-align: center;
}
.page-title { margin: 0 0 var(--space-sm); font-size: clamp(1.5rem, 3vw, 2rem); }
.page-lead { margin: 0; color: var(--color-text-muted); max-width: 640px; margin-left: auto; margin-right: auto; }

/* ---- Sections ---- */
.section { padding: var(--space-2xl) 0; }
.section-title { text-align: center; margin: 0 0 var(--space-sm); font-size: 1.75rem; }
.section-subtitle { text-align: center; margin: 0 0 var(--space-xl); color: var(--color-text-muted); }
.section-cta { text-align: center; margin: var(--space-xl) 0 0; }
.cta-section { text-align: center; }

/* ---- Proof / números ---- */
.proof-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}
.proof-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}
.proof-number { display: block; font-size: 2rem; font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-xs); }
.proof-label { font-size: 0.95rem; color: var(--color-text-muted); }
@media (min-width: 600px) {
  .proof-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---- Cards ---- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
@media (min-width: 600px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .cards-grid { grid-template-columns: repeat(3, 1fr); }
}
.cards-grid-full .card { grid-column: 1 / -1; }
@media (min-width: 768px) {
  .cards-grid-full { grid-template-columns: 1fr; }
}
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); }
.card-icon { font-size: 2rem; margin-bottom: var(--space-sm); }
.card-title { margin: 0 0 var(--space-sm); font-size: 1.2rem; }
.card-desc { margin: 0 0 var(--space-md); color: var(--color-text-muted); font-size: 0.95rem; }
.card-large .card-desc { margin-bottom: var(--space-lg); }

/* ---- Steps ---- */
.steps-list {
  list-style: none;
  margin: var(--space-xl) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.step-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}
.step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}
.step-title { margin: 0 0 var(--space-xs); font-size: 1.1rem; }
.step-item p { margin: 0; color: var(--color-text-muted); font-size: 0.95rem; }
@media (min-width: 640px) {
  .steps-list { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .steps-list { grid-template-columns: repeat(4, 1fr); }
}

/* ---- Diferenciais ---- */
.diff-list { list-style: none; margin: var(--space-xl) 0 0; padding: 0; }
.diff-item {
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-sm);
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
}

/* ---- Accordion FAQ ---- */
.accordion { margin-top: var(--space-lg); }
.accordion-item { border: 1px solid var(--color-border); border-bottom: none; }
.accordion-item:last-child { border-bottom: 1px solid var(--color-border); }
.accordion-heading { margin: 0; }
.accordion-trigger {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  background: var(--color-bg);
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}
.accordion-trigger:hover { background: var(--color-bg-alt); }
.accordion-trigger::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
}
.accordion-trigger[aria-expanded="true"]::after { content: '−'; }
.accordion-panel[hidden] { display: none; }
.accordion-content { padding: var(--space-lg); background: var(--color-bg-alt); }
.accordion-content p { margin: 0 0 var(--space-sm); }
.accordion-content p:last-child { margin-bottom: 0; }

/* ---- CTA block ---- */
.cta-block {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
.cta-headline { margin: 0 0 var(--space-sm); font-size: 1.5rem; }
.cta-subhead { margin: 0 0 var(--space-xl); opacity: 0.9; }
.cta-form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;
}
.cta-form-inline input {
  padding: var(--space-sm) var(--space-md);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  min-width: 160px;
}
.cta-form-inline .btn { flex-shrink: 0; }
.cta-form-msg { margin-top: var(--space-sm); font-size: 0.95rem; }
.cta-form-msg.success { color: #fff; opacity: 0.95; }
.cta-form-msg.error { color: #ffcdd2; }

/* ---- Blog ---- */
.blog-list { display: grid; gap: var(--space-xl); margin-top: var(--space-xl); }
.blog-card { padding: var(--space-lg); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-bg); }
.blog-meta { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.blog-cat { margin-left: var(--space-md); }
.blog-card-title { margin: 0 0 var(--space-sm); font-size: 1.25rem; }
.blog-card-title a { color: inherit; text-decoration: none; }
.blog-card-title a:hover { color: var(--color-primary); text-decoration: underline; }
.blog-excerpt { margin: 0 0 var(--space-md); color: var(--color-text-muted); }
.link-more { font-weight: 600; color: var(--color-primary); }

/* ---- Post single ---- */
.breadcrumb { padding: var(--space-md) var(--space-lg); background: var(--color-bg-alt); font-size: 0.9rem; }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.breadcrumb a { color: var(--color-primary); }
.breadcrumb li:not(:last-child)::after { content: '›'; margin-left: var(--space-xs); color: var(--color-text-muted); }
.post-header { padding: var(--space-xl) 0; }
.post-meta { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.post-cat { margin-left: var(--space-md); }
.post-title { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.post-body { padding: var(--space-xl) 0; }
.prose { max-width: 100%; }
.prose p { margin: 0 0 var(--space-md); }
.prose h2 { margin: var(--space-xl) 0 var(--space-sm); font-size: 1.25rem; }
.related-posts { padding-top: 0; }
.related-list { list-style: none; margin: var(--space-md) 0 0; padding: 0; }
.related-list a { color: var(--color-primary); font-weight: 500; }

/* ---- Cases ---- */
.case-card {
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}
.case-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-bottom: var(--space-md); }
.case-title { margin: 0; font-size: 1.25rem; }
.case-segment { font-size: 0.9rem; color: var(--color-primary); font-weight: 600; }
.case-challenge, .case-solution { margin: 0 0 var(--space-sm); }
.case-results { margin: var(--space-md) 0 0; padding-left: 1.25rem; }
.case-disclaimer { margin: var(--space-md) 0 0; font-size: 0.9rem; color: var(--color-text-muted); }

/* ---- Contact form ---- */
.contact-section { padding: var(--space-2xl) 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 900px;
  margin: 0 auto;
}
@media (min-width: 700px) {
  .contact-grid { grid-template-columns: 1fr 280px; }
}
.contact-form .form-row { margin-bottom: var(--space-md); }
.contact-form label { display: block; margin-bottom: var(--space-xs); font-weight: 500; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--color-primary);
  outline: none;
}
.form-row-checkbox { display: flex; align-items: flex-start; gap: var(--space-sm); }
.form-row-checkbox input { margin-top: 4px; }
.form-row-checkbox label { margin-bottom: 0; }
.form-row-full { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-message { margin: var(--space-md) 0; padding: var(--space-md); border-radius: var(--radius); }
.form-message.success { background: #e8f5e9; color: #2e7d32; }
.form-message.error { background: #ffebee; color: #c62828; }
.contact-sidebar { padding: var(--space-lg); background: var(--color-bg-alt); border-radius: var(--radius-lg); height: fit-content; }
.wa-msg { font-style: italic; color: var(--color-text-muted); margin: var(--space-sm) 0; }

/* ---- Legal ---- */
.legal-prose h2 { margin-top: var(--space-xl); }

/* ---- Reveal (animação scroll) ---- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }