:root {
  --bg1: #0c0f1d;
  --bg2: #131a33;
  --accent: #4f8cff;
  --text: #e8edf8;
  --muted: #9fb0d0;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  background: var(--bg1);
  color: var(--text);
  line-height: 1.6;
}
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }
.logo { font-size: 24px; font-weight: 800; letter-spacing: 1px; }
.logo span { color: var(--accent); }

/* Botões */
.btn {
  display: inline-block; background: var(--accent); color: #fff; font-weight: 600;
  padding: 12px 26px; border-radius: 10px; transition: filter .15s, transform .15s;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 15px 34px; font-size: 17px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(12,15,29,.85); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 15px; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn { color: #fff; }

/* Hero */
.hero { background: radial-gradient(1200px 500px at 70% -10%, rgba(79,140,255,.18), transparent), linear-gradient(160deg, var(--bg1), var(--bg2) 70%, var(--bg1)); padding: 80px 0 90px; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.badge { display: inline-block; background: rgba(79,140,255,.15); color: var(--accent); font-size: 14px; font-weight: 600; padding: 6px 14px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: 54px; line-height: 1.1; font-weight: 800; letter-spacing: -1px; }
.hero h1 span { color: var(--accent); }
.lead { font-size: 20px; color: var(--muted); margin: 22px 0 32px; max-width: 520px; }
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; }
.platforms { margin-top: 26px; font-size: 14px; color: var(--muted); }

/* Hero art (mock de TV) */
.hero-art { display: flex; justify-content: center; }
.screen { width: 100%; max-width: 420px; aspect-ratio: 16/10; background: #0a0d18; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(79,140,255,.1); padding: 18px; }
.screen-bar { display: flex; gap: 7px; margin-bottom: 18px; }
.screen-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.15); }
.screen-logo { font-size: 22px; font-weight: 800; letter-spacing: 1px; margin-bottom: 18px; }
.screen-logo span { color: var(--accent); }
.screen-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.screen-grid div { aspect-ratio: 2/3; border-radius: 8px; background: linear-gradient(135deg, rgba(79,140,255,.25), rgba(255,255,255,.05)); }
.screen-grid div:nth-child(odd) { background: linear-gradient(135deg, rgba(255,255,255,.08), rgba(79,140,255,.12)); }

/* Features */
.features { padding: 90px 0; }
.features h2, .how h2, .cta-final h2 { font-size: 36px; font-weight: 800; text-align: center; margin-bottom: 48px; letter-spacing: -.5px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; transition: border-color .15s, transform .15s; }
.card:hover { border-color: rgba(79,140,255,.4); transform: translateY(-3px); }
.card .ic { font-size: 36px; margin-bottom: 14px; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 15px; }

/* How */
.how { padding: 30px 0 90px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 26px; text-align: center; }
.step .num { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; font-size: 20px; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step p { color: var(--muted); font-size: 15px; }
.step b { color: var(--text); }

/* CTA final */
.cta-final { padding: 80px 0; text-align: center; background: radial-gradient(900px 300px at 50% 120%, rgba(79,140,255,.15), transparent); }
.cta-final p { color: var(--muted); font-size: 18px; margin-bottom: 28px; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--muted); font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.copy { color: #51608a; font-size: 13px; width: 100%; text-align: center; margin-top: 8px; }

/* Responsivo */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 520px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
}