/* ============================================================
   PapoHub — Landing Page
   Paleta baseada no design do produto (Tailwind slate + violet)
   ============================================================ */

:root {
  --primary: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #6d28d9;
  --success: #10b981;
  --success-600: #059669;
  --whatsapp: #25d366;
  --whatsapp-dark: #1eb85a;

  --radius: 14px;
  --container: 1160px;
  --header-h: 68px;
}

/* Tema escuro (padrão do produto) */
:root[data-theme="dark"] {
  --bg: #0f172a;
  --bg-alt: #0b1120;
  --surface: #1e293b;
  --surface-2: #253349;
  --border: #334155;
  --text: #ffffff;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
  --header-bg: rgba(15, 23, 42, 0.85);
  --shadow: 0 18px 40px rgba(2, 6, 23, 0.55);
  --glow-opacity: 0.5;
  color-scheme: dark;
}

/* Tema claro */
:root[data-theme="light"] {
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-soft: #475569;
  --header-bg: rgba(248, 250, 252, 0.85);
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.10);
  --glow-opacity: 0.25;
  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color .3s ease, color .3s ease;
}

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

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow { max-width: 820px; }

/* ===== Botões ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-700));
  color: #fff;
  box-shadow: 0 8px 20px rgba(124, 58, 237, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 26px rgba(124, 58, 237, 0.45); }

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-whatsapp {
  background: linear-gradient(135deg, var(--whatsapp), var(--whatsapp-dark));
  color: #073b1c;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}
.btn-whatsapp:hover { box-shadow: 0 12px 26px rgba(37, 211, 102, 0.45); }

.btn-lg { font-size: 16px; padding: 14px 28px; }
.btn-block { width: 100%; }

/* ===== Cabeçalho ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
}
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -0.02em; }

.main-nav { display: flex; gap: 28px; }
.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-soft);
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.theme-toggle {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, transform .15s ease;
}
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); transform: rotate(15deg); }
.theme-toggle svg { width: 19px; height: 19px; }
:root[data-theme="dark"] .icon-moon { display: none; }
:root[data-theme="light"] .icon-sun { display: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 0 10px;
}
.menu-toggle span {
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 88px 0 64px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -220px; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, .35), transparent 65%);
  opacity: var(--glow-opacity);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 48px;
  align-items: center;
}

.pill {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.pill-green {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 12%, transparent);
  border-color: color-mix(in srgb, var(--success) 30%, transparent);
}

.hero h1 {
  font-size: clamp(34px, 4.6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin-bottom: 20px;
}
.grad {
  background: linear-gradient(120deg, var(--primary), var(--success));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 52ch;
  margin-bottom: 28px;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.hero-note { font-size: 13px; color: var(--text-muted); }

.hero-media img { width: 100%; }

/* ===== Números ===== */
.stats { padding: 8px 0 24px; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}
.stat strong { display: block; font-size: 18px; letter-spacing: -0.02em; margin-bottom: 4px; }
.stat span { font-size: 13.5px; color: var(--text-muted); line-height: 1.45; display: block; }

/* ===== Seções ===== */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 52px;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 14px;
}
.section-head p { color: var(--text-muted); font-size: 16px; }

/* ===== Cards de recursos ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  box-shadow: var(--shadow);
}
.card-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  font-size: 24px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--tint, var(--primary)) 14%, transparent);
  margin-bottom: 18px;
}
.card h3 { font-size: 17px; letter-spacing: -0.01em; margin-bottom: 8px; }
.card p { font-size: 14.5px; color: var(--text-muted); }

/* ===== Blocos alternados ===== */
.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px;
  align-items: center;
  padding: 40px 0;
}
.feature-row--invert .feature-copy { order: 2; }
.feature-row--invert .feature-media { order: 1; }

.feature-copy h3 {
  font-size: clamp(22px, 2.6vw, 28px);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.feature-copy p { color: var(--text-muted); margin-bottom: 20px; }

.checklist { list-style: none; }
.checklist li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--text-soft);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  display: grid; place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--success);
  background: color-mix(in srgb, var(--success) 15%, transparent);
  border-radius: 50%;
  margin-top: 2px;
}

/* ===== Preços ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 28px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.price-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.price-card h3 { font-size: 19px; margin-bottom: 6px; }
.price-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; min-height: 42px; }
.price {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
  line-height: 1;
}
.price .currency { font-size: 20px; font-weight: 700; vertical-align: super; margin-right: 4px; }
.price .period { font-size: 15px; font-weight: 500; color: var(--text-muted); letter-spacing: 0; }
.price-note { font-size: 13.5px; color: var(--text-muted); margin: -14px 0 20px; }
.price-card .checklist { flex: 1; margin-bottom: 26px; }
.price-card .checklist li { font-size: 14px; }

.price-card--featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), 0 20px 44px rgba(124, 58, 237, 0.22);
}
.badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-700));
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

/* Aviso sobre custos da Meta x custos da plataforma */
.price-disclaimer {
  max-width: 900px;
  margin: 28px auto 0;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
  text-align: center;
}
.price-disclaimer strong { color: var(--text-soft); }

/* Card do módulo completo (Gestão de Chamados + Funil de Vendas) */
.managed-card {
  margin-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--success) 10%, var(--surface)),
    color-mix(in srgb, var(--primary) 8%, var(--surface)));
  border: 1px solid color-mix(in srgb, var(--success) 35%, var(--border));
  border-radius: 18px;
  padding: 32px 36px;
}
.managed-copy h3 { font-size: 21px; letter-spacing: -0.01em; margin-bottom: 10px; }
.managed-copy p { color: var(--text-muted); font-size: 15px; max-width: 62ch; }
.managed-card .btn { flex-shrink: 0; }
.managed-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  flex-shrink: 0;
}
.managed-email {
  font-size: 13px;
  color: var(--text-muted);
  transition: color .15s ease;
}
.managed-email:hover { color: var(--primary); }

/* ===== FAQ ===== */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 22px;
  transition: border-color .2s ease;
}
.faq-item[open] { border-color: color-mix(in srgb, var(--primary) 45%, var(--border)); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 15.5px;
  padding: 18px 0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-chevron { transition: transform .2s ease; color: var(--text-muted); }
.faq-item[open] .faq-chevron { transform: rotate(180deg); }
.faq-item p { color: var(--text-muted); font-size: 14.5px; padding: 0 0 18px; }

/* ===== CTA final ===== */
.cta-final { padding-bottom: 110px; }
.cta-inner {
  text-align: center;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--primary) 14%, var(--surface)),
    color-mix(in srgb, var(--success) 10%, var(--surface)));
  border: 1px solid color-mix(in srgb, var(--primary) 30%, var(--border));
  border-radius: 24px;
  padding: 64px 32px;
}
.cta-mascot { width: 120px; height: 120px; margin: 0 auto 20px; }
.cta-inner h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.cta-inner p { color: var(--text-muted); margin-bottom: 28px; }

/* ===== Rodapé ===== */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 48px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 32px;
  padding-bottom: 36px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 14px;
  max-width: 34ch;
}
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-contact a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color .15s ease;
}
.footer-nav a:hover, .footer-contact a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  padding-bottom: 20px;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }

/* ===== Botão flutuante do WhatsApp ===== */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--whatsapp), var(--whatsapp-dark));
  color: #fff;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.45);
  transition: transform .2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 32px; height: 32px; }
.whatsapp-float::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--whatsapp);
  animation: waPulse 2s ease-out infinite;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: .8; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* ===== Animação de entrada ===== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .whatsapp-float::after { animation: none; }
}

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 1023px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-ctas { justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .price-desc { min-height: 0; }
  .feature-row { grid-template-columns: 1fr; gap: 28px; padding: 28px 0; }
  .feature-row--invert .feature-copy { order: 1; }
  .feature-row--invert .feature-media { order: 2; }
  .managed-card { flex-direction: column; text-align: center; }
  .managed-actions { align-items: center; width: 100%; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { margin-left: auto; margin-right: auto; }
}

@media (max-width: 767px) {
  .section { padding: 64px 0; }
  .hero { padding: 56px 0 40px; }

  /* Menu mobile */
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    z-index: 49;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform .2s ease, opacity .2s ease;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
  }
  .main-nav a:last-child { border-bottom: none; }

  .header-actions .btn-primary { display: none; }

  .stats-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .hero-ctas .btn { width: 100%; }
  .cta-inner { padding: 48px 22px; }
  .managed-card { padding: 28px 22px; }
  .managed-card .btn { width: 100%; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 56px; height: 56px; }
}