:root {
  --bg: #0b0b0f;
  --bg-2: #0f0f15;
  --text: #e6e6ef;
  --muted: #b8b8c7;
  --primary-400: #a855f7; /* roxo */
  --primary-500: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #5b21b6;
  --accent: linear-gradient(90deg, #a855f7 0%, #7c3aed 50%, #4c1d95 100%);
  --nav-h: 64px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { background: var(--bg); }
body {
  margin: 0;
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: transparent; /* fundo principal definido no pseudo-elemento */
  position: relative;
}
/* Gradiente contínuo fixo no viewport para evitar cortes entre seções */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1400px 800px at 80% 10%, #2a1266 0%, rgba(42,18,102,0.35) 30%, transparent 60%),
    radial-gradient(1200px 700px at 10% 80%, #9b2cf3 0%, rgba(155,44,243,0.2) 35%, transparent 65%),
    var(--bg);
  background-attachment: fixed, fixed, fixed;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(12, 10, 18, 0.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-weight: 600; }
.logo { width: 40px; height: 40px; }
.logo.small { width: 28px; height: 28px; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.link { color: var(--muted); text-decoration: none; font-weight: 500; }
.link:hover { color: var(--text); }

/* Ícone inline para textos (WhatsApp) */
.inline-icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: -3px;
  margin: 0 6px;
}

/* Toggle de menu (visível apenas no mobile) */
.menu-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  cursor: pointer;
}
.menu-toggle .menu-bars {
  display: block;
  width: 20px; height: 2px; margin: 0 auto;
  background: var(--text);
  box-shadow: 0 6px 0 var(--text), 0 -6px 0 var(--text);
}
.menu-toggle:focus { outline: 2px solid rgba(168,85,247,.6); outline-offset: 2px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 10px; text-decoration: none; font-weight: 600; border: 1px solid transparent; transition: all .2s ease; min-height: 44px; }
.btn.primary { background: var(--accent); color: white; box-shadow: 0 8px 20px rgba(124, 58, 237, .35); }
.btn.primary:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--text); border-color: rgba(255,255,255,0.15); }
.btn.ghost:hover { border-color: rgba(255,255,255,0.35); }
.btn.large { padding: 14px 22px; }

/* Layout helpers */
main { display: grid; gap: 56px; }
.section { padding: 56px 24px; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  padding: 72px 24px 40px 24px;
}
.hero-content h1 { font-size: clamp(28px, 5vw, 48px); line-height: 1.1; margin: 0 0 12px; }
.hero-content p { color: var(--muted); margin: 0 0 24px; }
.hero-cta { display: flex; gap: 12px; margin-bottom: 16px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-badges span { padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08); color: var(--muted); font-size: 12.5px; }
.hero-art { display: grid; place-items: center; }
.hero-art img { width: min(340px, 70%); filter: drop-shadow(0 12px 30px rgba(124,58,237,.35)); }

/* Features */
.features { padding: 24px; }
.features h2 { text-align: center; font-size: clamp(22px, 3.6vw, 32px); margin-bottom: 24px; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { padding: 18px; border-radius: 16px; background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)); border: 1px solid rgba(255,255,255,0.1); }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

/* Plans */
.plans { padding: 24px; }
.plans h2 { text-align: center; font-size: clamp(22px, 3.6vw, 32px); margin-bottom: 24px; }
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plan-card { padding: 22px; border-radius: 18px; background: radial-gradient(600px 280px at 20% 0%, rgba(124,58,237,.18) 0%, transparent 60%), rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); display: flex; flex-direction: column; height: 100%; }
.plan-card.outline { background: rgba(255,255,255,0.03); }
.plan-card.featured { background: radial-gradient(700px 300px at 20% 0%, rgba(168,85,247,.25) 0%, transparent 65%), rgba(255,255,255,0.07); border-color: rgba(168,85,247,.55); box-shadow: 0 12px 30px rgba(124,58,237,.25); transform: translateY(-2px); }
.plan-header h3 { margin: 0; font-size: 20px; }
.plan-header p { margin: 6px 0 14px; color: var(--muted); }
.plan-header .price { font-weight: 700; color: var(--text); }
.plan-badge { display: inline-block; padding: 6px 10px; margin-bottom: 8px; border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; background: var(--accent); box-shadow: 0 6px 18px rgba(124,58,237,.3); }
.plan-card .legal { margin-top: auto; padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.08); }
.plan-features { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 8px; }
.plan-features li { display: flex; align-items: center; gap: 8px; }
.legal { color: var(--muted); font-size: 12px; }

/* FAQ */
.faq { padding: 24px; }
.faq h2 { text-align: center; font-size: clamp(22px, 3.6vw, 32px); margin-bottom: 20px; }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.faq-grid details { padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); }
.faq-grid summary { cursor: pointer; font-weight: 600; }
.faq-grid p { color: var(--muted); }

/* Contact */
.contact { padding: 24px; }
.contact h2 { text-align: center; font-size: clamp(22px, 3.6vw, 32px); margin-bottom: 16px; }
.contact-form { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.contact-form .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.16); background: rgba(255,255,255,0.05); color: var(--text); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #9aa0a6; }
.contact-note { text-align: center; color: var(--muted); }

/* Footer */
.footer { margin-top: 10px; padding: 24px; border-top: 1px solid rgba(255,255,255,0.06); background: rgba(12, 10, 18, 0.55); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 16px; }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--text); }
.footer-bottom { margin-top: 16px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.06); color: var(--muted); font-size: 13px; }

/* Responsive */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .contact-form .grid { grid-template-columns: 1fr; }
  .nav-actions { gap: 12px; }
}

/* Quebra dedicada para celulares */
@media (max-width: 720px) {
  .menu-toggle { display: inline-grid; place-items: center; }
  .navbar { position: sticky; }
  .nav-actions { display: none; }
  .nav-actions.is-open {
    display: flex;
    position: absolute;
    top: calc(100% + 8px);
    left: 16px; right: 16px;
    flex-direction: column;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    background: rgba(12, 10, 18, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.12);
  }
  .hero-cta { flex-direction: column; }
  .btn.large, .btn.primary { width: 100%; }
  .hero-art img { width: min(260px, 55%); }
  .cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-form input, .contact-form textarea { font-size: 16px; }
}