/* ============================================================
   Recepção Online — landing page
   IA que entende, atende e reserva. Uma solução Applied Intelligence.
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Paleta oficial da marca */
  --navy: #0F2A43;      /* Azul profundo — confiança, tecnologia, segurança */
  --azul-ia: #1A9BD7;   /* Azul IA — inteligência, fluidez, digital */
  --verde: #22A06B;     /* Verde confirmação — reserva/pagamento aprovado */
  --areia: #F4EFE6;     /* Areia clara — hospitalidade e acolhimento */
  --cinza: #64748B;     /* Cinza texto — apoio e hierarquia */

  /* Gradientes dos logotipos */
  --grad-azul: linear-gradient(135deg, #28B7EF 0%, #1E63D5 100%);
  --grad-navy: linear-gradient(135deg, #07213A 0%, #0F2A43 100%);

  /* Neutros de apoio */
  --branco: #ffffff;
  --areia-suave: #FAF7F1;
  --linha: #E7E1D6;
  --navy-70: rgba(15, 42, 67, 0.7);
  --texto: #1C2B3A;

  --container: 1160px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(15, 42, 67, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 42, 67, 0.10);
  --shadow-lg: 0 24px 60px rgba(15, 42, 67, 0.16);

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

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

html { scroll-behavior: smooth; scroll-padding-top: 104px; }

body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  color: var(--texto);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

h1, h2, h3 { line-height: 1.15; margin: 0; color: var(--navy); letter-spacing: -0.02em; }
h1 { font-weight: 800; }
h2 { font-weight: 800; }
h3 { font-weight: 700; }
p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

section { padding-block: clamp(56px, 8vw, 104px); }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--azul-ia);
  margin-bottom: 14px;
}

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.section-head p { margin-top: 16px; color: var(--cinza); font-size: 1.08rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-azul);
  color: var(--branco);
  box-shadow: 0 8px 20px rgba(30, 99, 213, 0.30);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(30, 99, 213, 0.38); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--linha);
}
.btn-ghost:hover { border-color: var(--azul-ia); color: var(--azul-ia); }
.btn-light {
  background: var(--branco);
  color: var(--navy);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled { border-color: var(--linha); box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 92px;
}
.brand img { height: 64px; width: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-weight: 500;
  color: var(--navy-70);
  font-size: 0.98rem;
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--navy); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--linha);
  border-radius: 12px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin-inline: auto;
  background: var(--navy);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(26, 155, 215, 0.14), transparent 60%),
    linear-gradient(180deg, var(--areia-suave) 0%, var(--branco) 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { font-size: clamp(2.1rem, 4.8vw, 3.5rem); }
.hero h1 .accent {
  background: var(--grad-azul);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  margin-top: 22px;
  font-size: 1.18rem;
  color: var(--cinza);
  max-width: 520px;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.endorse {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--navy-70);
  font-weight: 500;
}
.endorse .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--verde); }

/* ---- Hero mockup (conversa WhatsApp estilizada) ---- */
.chat-wrap {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 380px;
}
.chat {
  background: var(--branco);
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--linha);
  overflow: hidden;
}
.chat-top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: var(--grad-navy);
  color: var(--branco);
}
.chat-top .avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--branco);
  padding: 6px;
  flex-shrink: 0;
}
.chat-top .who { font-weight: 700; font-size: 0.98rem; line-height: 1.2; }
.chat-top .status { font-size: 0.76rem; opacity: 0.8; display: flex; align-items: center; gap: 6px; }
.chat-top .status .live { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; }
.chat-body {
  padding: 20px 16px 22px;
  background:
    linear-gradient(0deg, rgba(244, 239, 230, 0.5), rgba(244, 239, 230, 0.5)),
    var(--areia-suave);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bubble {
  max-width: 80%;
  padding: 11px 14px;
  border-radius: 16px;
  font-size: 0.92rem;
  line-height: 1.45;
  box-shadow: var(--shadow-sm);
}
.bubble.in { align-self: flex-start; background: var(--branco); border-bottom-left-radius: 4px; }
.bubble.out { align-self: flex-end; background: #DCF6E8; color: #0d3d29; border-bottom-right-radius: 4px; }
.bubble .meta { display: block; margin-top: 4px; font-size: 0.68rem; color: var(--cinza); text-align: right; }
.bubble.tag {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26, 155, 215, 0.12);
  color: var(--navy);
  font-weight: 600; font-size: 0.8rem;
  box-shadow: none;
}
.bubble.tag .ico { width: 15px; height: 15px; color: var(--azul-ia); }

/* ============================================================
   Dor (cards)
   ============================================================ */
.pain { background: var(--branco); }
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.pain-card {
  background: var(--areia-suave);
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  padding: 30px 26px;
}
.pain-card .ico-box {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--branco);
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
  color: var(--azul-ia);
}
.pain-card .ico-box svg { width: 24px; height: 24px; }
.pain-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.pain-card p { color: var(--cinza); font-size: 0.98rem; }

/* ============================================================
   Solução
   ============================================================ */
.solution { background: var(--areia-suave); }
.journey {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}
.journey .step {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--branco);
  border: 1px solid var(--linha);
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}
.journey .step .n {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--grad-azul);
  color: var(--branco);
  font-size: 0.75rem; font-weight: 700;
}
.journey .arrow { align-self: center; color: var(--azul-ia); font-weight: 700; }

/* ============================================================
   Não é bot (comparativo)
   ============================================================ */
.compare { background: var(--navy); color: var(--branco); }
.compare h2 { color: var(--branco); }
.compare .section-head p { color: rgba(255,255,255,0.72); }
.compare-table {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.compare-row.head { font-weight: 700; }
.compare-cell {
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.compare-row:last-child .compare-cell { border-bottom: none; }
.compare-cell.old {
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.6);
}
.compare-cell.new {
  background: rgba(26, 155, 215, 0.10);
  color: var(--branco);
  font-weight: 500;
}
.compare-row.head .compare-cell.old { color: rgba(255,255,255,0.7); }
.compare-row.head .compare-cell.new { color: #7cd4ff; }
.compare-cell .mark { flex-shrink: 0; width: 20px; height: 20px; }
.compare-cell.old .mark { color: rgba(255,255,255,0.35); }
.compare-cell.new .mark { color: #4ade80; }

/* ============================================================
   Funcionalidades (grid)
   ============================================================ */
.features { background: var(--branco); }
.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feat {
  border: 1px solid var(--linha);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  background: var(--branco);
}
.feat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.feat .ico-box {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: rgba(26, 155, 215, 0.10);
  color: var(--azul-ia);
  margin-bottom: 16px;
}
.feat .ico-box svg { width: 24px; height: 24px; }
.feat h3 { font-size: 1.05rem; margin-bottom: 6px; }
.feat p { font-size: 0.92rem; color: var(--cinza); }

/* ============================================================
   Como funciona (etapas)
   ============================================================ */
.steps { background: var(--areia-suave); }
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.timeline .tstep { position: relative; }
.tnum {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--grad-navy);
  color: var(--branco);
  font-weight: 700;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.timeline .tstep h3 { font-size: 1.02rem; margin-bottom: 6px; }
.timeline .tstep p { font-size: 0.9rem; color: var(--cinza); }

/* ============================================================
   Diferenciais
   ============================================================ */
.differ { background: var(--branco); }
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.diff {
  display: flex;
  gap: 14px;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--areia-suave);
  border: 1px solid var(--linha);
}
.diff .check {
  flex-shrink: 0;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(34, 160, 107, 0.14);
  color: var(--verde);
}
.diff .check svg { width: 15px; height: 15px; }
.diff h3 { font-size: 1rem; margin-bottom: 4px; }
.diff p { font-size: 0.9rem; color: var(--cinza); }

/* ============================================================
   CTA final
   ============================================================ */
.cta-final {
  background:
    radial-gradient(800px 400px at 20% 120%, rgba(26, 155, 215, 0.25), transparent 60%),
    var(--grad-navy);
  color: var(--branco);
  text-align: center;
}
.cta-final h2 { color: var(--branco); font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 760px; margin-inline: auto; }
.cta-final p { color: rgba(255,255,255,0.78); margin-top: 16px; font-size: 1.1rem; max-width: 620px; margin-inline: auto; }
.cta-final .btn { margin-top: 32px; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: #0A1E31;
  color: rgba(255, 255, 255, 0.72);
  padding-block: 56px 30px;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}
.footer-brand img {
  height: 84px;
  margin-bottom: 20px;
  border-radius: 16px;
}
.footer-brand p { max-width: 320px; font-size: 0.92rem; }
.footer-col h4 { color: var(--branco); font-size: 0.95rem; margin: 0 0 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col li { font-size: 0.92rem; }
.footer-col a:hover { color: var(--branco); }
.footer-bottom {
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   Reveal on scroll (progressive enhancement)
   ============================================================ */
/* Estado oculto só quando há JS (sem JS, conteúdo fica visível) */
.js-enabled .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; will-change: opacity, transform; }
.js-enabled .reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .chat-wrap { max-width: 340px; order: -1; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  /* Nav mobile */
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 72px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--branco);
    border-bottom: 1px solid var(--linha);
    box-shadow: var(--shadow-md);
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a { padding: 14px 4px; border-bottom: 1px solid var(--linha); }
  .nav .btn { margin-top: 16px; justify-content: center; }

  .cards-3 { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }

  /* Comparativo vira lista empilhada */
  .compare-row { grid-template-columns: 1fr; }
  .compare-row.head { display: none; }
  .compare-cell { border-bottom: 1px solid rgba(255,255,255,0.10); }
  .compare-cell.old::before { content: "Chatbot tradicional"; }
  .compare-cell.new::before { content: "Recepção Online"; }
  .compare-cell.old::before, .compare-cell.new::before {
    display: block;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    opacity: 0.6; margin-right: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-enabled .reveal, .js-enabled .reveal.is-visible { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.001ms !important; }
}