/* =========================================================
   Fernando Lisboa IA — Design tokens
   Paleta: carvão/índigo profundo + violeta elétrico + ciano técnico
   ========================================================= */
:root {
  /* Cores base */
  --bg: #0a0a12;
  --bg-alt: #100f1a;
  --surface: #14141f;
  --surface-soft: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Cores de marca */
  --violet: #7c5cff;
  --violet-light: #a78bfa;
  --cyan: #34e2e2;

  /* Texto */
  --text: #f3f3f8;
  --text-muted: #9d9db2;
  --text-soft: #c7c7dd;

  /* Efeitos */
  --shadow-violet: 0 20px 45px rgba(124, 92, 255, 0.28);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;

  /* Tipografia */
  --font-display: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* =========================================================
   Reset básico
   ========================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* Foco visível para navegação por teclado (acessibilidade) */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Link de "pular para o conteúdo" */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--violet);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 2000;
}
.skip-link:focus {
  left: 0;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

/* =========================================================
   Header / navegação
   ========================================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 18, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.01em;
}

.logo span {
  background: linear-gradient(135deg, var(--violet-light), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.nav-links a:hover {
  color: var(--violet-light);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--violet), var(--violet-light));
  color: #fff !important;
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

/* =========================================================
   Botões
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.25s ease, filter 0.25s ease, background 0.25s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--violet), var(--violet-light));
  color: #fff;
  box-shadow: var(--shadow-violet);
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-secondary {
  background: var(--surface-soft);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--violet-light);
  color: var(--violet-light);
}

.btn-large {
  padding: 17px 30px;
  font-size: 1.05rem;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 110px 0 90px;
  background:
    radial-gradient(circle at 85% 10%, rgba(124, 92, 255, 0.22), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(52, 226, 226, 0.12), transparent 40%),
    linear-gradient(180deg, #0a0a12 0%, #0e0e18 100%);
  overflow: hidden;
}

/* Rede neural SVG animada — elemento de assinatura visual da marca */
.hero-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
  z-index: 0;
}

.network-nodes circle {
  animation: pulse-node 4s ease-in-out infinite;
}
.network-nodes circle:nth-child(2n) { animation-delay: 0.6s; }
.network-nodes circle:nth-child(3n) { animation-delay: 1.2s; }

@keyframes pulse-node {
  0%, 100% { opacity: 0.5; r: 4; }
  50% { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 20px;
}

.hero-lead {
  color: var(--text-soft);
  font-size: 1.08rem;
  max-width: 560px;
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.hero-trust svg {
  color: var(--cyan);
  flex-shrink: 0;
}

/* Card lateral do hero */
.hero-card {
  position: relative;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px;
  overflow: hidden;
  backdrop-filter: blur(6px);
}

.card-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  background: rgba(124, 92, 255, 0.4);
  filter: blur(80px);
  top: -40px;
  right: -40px;
  pointer-events: none;
}

.card-content {
  position: relative;
  z-index: 2;
}

.card-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--violet-light);
  margin-bottom: 12px;
}

.hero-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.hero-card > .card-content > p {
  color: var(--text-muted);
  margin-bottom: 22px;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-list div {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.card-list svg {
  color: var(--cyan);
  flex-shrink: 0;
}

/* =========================================================
   Faixa "Ideal para"
   ========================================================= */
.audience {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.audience-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  padding: 22px 0;
}

.audience-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.audience-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience-pills span {
  border: 1px solid var(--border-strong);
  color: var(--text-soft);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 0.86rem;
}

/* =========================================================
   Seções — base comum
   ========================================================= */
.section {
  padding: 90px 0;
}

.section-eyebrow {
  display: inline-block;
  color: var(--violet-light);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.section-head {
  max-width: 680px;
  margin-bottom: 46px;
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-head p,
.section > .container > p {
  color: var(--text-muted);
  font-size: 1.02rem;
}

.services,
.faq {
  background: var(--bg-alt);
}

/* =========================================================
   Sobre
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: start;
}

.about-grid h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 18px;
}

.about-grid p {
  color: var(--text-soft);
  margin-bottom: 16px;
  max-width: 560px;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mini-card {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
}

.mini-card svg {
  color: var(--cyan);
  margin-bottom: 12px;
}

.mini-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.mini-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* =========================================================
   Grids de cards (serviços / diferenciais)
   ========================================================= */
.grid {
  display: grid;
  gap: 22px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.service-card {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 92, 255, 0.4);
}

.service-icon {
  color: var(--violet-light);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.08rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* =========================================================
   Influencer Virtual (seção de destaque)
   ========================================================= */
.influencer {
  background:
    radial-gradient(circle at 15% 20%, rgba(52, 226, 226, 0.10), transparent 45%),
    var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.influencer-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}

.influencer-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 50px 24px;
  overflow: hidden;
}

.influencer-glow {
  position: absolute;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(124, 92, 255, 0.35), transparent 70%);
  filter: blur(20px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.influencer-avatar {
  position: relative;
  z-index: 1;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.25), rgba(52, 226, 226, 0.15));
  border: 1px solid var(--border-strong);
  color: var(--violet-light);
  margin-bottom: 20px;
}

.influencer-tagbox {
  position: relative;
  z-index: 1;
  font-size: 0.82rem;
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  padding: 6px 14px;
  border-radius: 999px;
}

.influencer h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 16px;
}

.influencer-lead {
  color: var(--text-soft);
  margin-bottom: 24px;
  max-width: 560px;
}

.influencer-benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.influencer-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.influencer-benefits svg {
  color: var(--cyan);
  margin-top: 3px;
  flex-shrink: 0;
}

/* =========================================================
   Benefícios para empresas
   ========================================================= */
.benefits-grid .benefit-item {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 22px;
}

.benefit-item svg {
  color: var(--cyan);
  margin-bottom: 14px;
}

.benefit-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.benefit-item p {
  color: var(--text-muted);
  font-size: 0.93rem;
}

/* =========================================================
   Como funciona (processo em etapas)
   ========================================================= */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}

.process-steps li {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  position: relative;
}

.step-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--violet-light);
  margin-bottom: 14px;
}

.process-steps h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.process-steps p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  color: var(--text);
  text-align: left;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  padding: 22px 4px;
}

.faq-icon {
  flex-shrink: 0;
  color: var(--violet-light);
  transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(90deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}

.faq-answer > p {
  overflow: hidden;
  color: var(--text-muted);
  padding-right: 30px;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.open .faq-answer > p {
  padding-bottom: 22px;
}

/* Wrapper interno necessário para a animação de altura funcionar corretamente */
.faq-answer {
  display: grid;
}

/* =========================================================
   CTA final
   ========================================================= */
.cta {
  background:
    radial-gradient(circle at 50% 0%, rgba(124, 92, 255, 0.25), transparent 55%),
    var(--bg-alt);
  border-top: 1px solid var(--border);
}

.cta-box {
  text-align: center;
  max-width: 680px;
}

.cta-box h2 {
  margin-top: 10px;
}

.cta-box p {
  color: var(--text-soft);
  margin: 18px 0 32px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  border-top: 1px solid var(--border);
  padding-top: 46px;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  padding-bottom: 30px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--violet-light);
}

.footer-social {
  display: flex;
  gap: 14px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--text-soft);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.footer-social a:hover {
  color: var(--violet-light);
  border-color: var(--violet-light);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* =========================================================
   Botão flutuante de WhatsApp
   ========================================================= */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--violet-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-violet);
  z-index: 900;
  text-decoration: none;
  transition: transform 0.25s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* =========================================================
   Animações de entrada ao rolar a página
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

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

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width: 980px) {
  .hero-content,
  .about-grid,
  .influencer-grid {
    grid-template-columns: 1fr;
  }

  .influencer-visual {
    order: -1;
    max-width: 320px;
    margin: 0 auto;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 18, 0.98);
    backdrop-filter: blur(14px);
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px 6%;
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-cta {
    justify-content: center;
    margin-top: 10px;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 90px 0 60px;
  }

  .section {
    padding: 64px 0;
  }

  .grid-3,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .audience-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    justify-content: center;
    width: 100%;
  }
}