/* Tipografia e cores sóbrias */
:root{
  --bg: #ffffff;
  --surface: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #4b5563;
  --primary: #3b82f6;
  --primary-contrast: #ffffff;
  --accent: #0ea5e9;
  --success: #16a34a;
  --danger: #dc2626;
  --focus: #1d4ed8;
  --container: 1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--container);margin:0 auto;padding:0 1rem}
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:1rem;top:1rem;background:var(--focus);color:#111;padding:.5rem 1rem;border-radius:6px;z-index:10000}

/* Cabeçalho fixo */
.site-header{position:sticky;top:0;background:rgba(16,23,42,.9);backdrop-filter:saturate(120%) blur(8px);border-bottom:1px solid #1f2937;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0}
.main-nav .nav-toggle{display:none}
.menu{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.menu a{display:block;padding:.5rem .75rem;border-radius:8px}
.menu a[aria-current]{background:var(--card);border:1px solid #1f2937}
.menu a:focus-visible{outline:3px solid var(--focus)}

@media (max-width:800px){
  .main-nav .nav-toggle{display:inline-flex;background:var(--card);color:var(--text);border:1px solid #1f2937;border-radius:8px;padding:.5rem .75rem}
  .menu{display:none;flex-direction:column;background:var(--surface);padding:.5rem;border:1px solid #1f2937;border-radius:8px;position:absolute;right:1rem;top:3.5rem}
  .menu.open{display:flex}
}

/* Herói */
.hero{padding:4rem 0 2rem;background:linear-gradient(180deg,rgba(34,211,238,.08),transparent)}
.hero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;align-items:center}
.hero h1{font-size:clamp(1.8rem,3.5vw,2.6rem);margin:.5rem 0}
.subtitle{color:var(--muted);font-size:1.05rem}
.cta-group{display:flex;gap:1rem;margin:1rem 0 0}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-radius:10px;border:1px solid #1f2937;transition:transform .08s ease,background .2s ease}
.btn:focus-visible{outline:3px solid var(--focus)}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);color:var(--primary-contrast)}
.btn-secondary{background:var(--card);color:var(--text)}
.btn-link{background:transparent;border:none;color:var(--accent);padding:.25rem .4rem}
.hero-highlights{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;padding:0;margin:1rem 0 0;list-style:none}
.hero-highlights li{background:var(--card);border:1px solid #1f2937;padding:.6rem .8rem;border-radius:10px;color:var(--muted)}
.hero-media{filter:drop-shadow(0 10px 24px rgba(0,0,0,.25))}

@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* Seções e cartões */
section{padding:2.5rem 0;border-top:1px solid #1f2937}
h2{font-size:clamp(1.4rem,2.5vw,2rem);margin:.2rem 0 1rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:var(--card);border:1px solid #1f2937;border-radius:12px;padding:1rem}
.card h3{margin:.2rem 0 .5rem;font-size:1.1rem}
.disclaimer{color:var(--muted);font-size:.95rem;margin-top:1rem}
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;list-style:none;padding:0}
.features li{background:var(--card);border:1px solid #1f2937;border-radius:10px;padding:.7rem}
.testimonials{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.testimonial{background:var(--card);border:1px solid #1f2937;border-radius:12px;padding:1rem;color:#cbd5e1}
.faq-item{background:var(--card);border:1px solid #1f2937;border-radius:12px;padding:.8rem}
.faq-item summary{cursor:pointer}

@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .testimonials{grid-template-columns:1fr}
}

/* Rastreio */
.rastreio .track-form{display:grid;grid-template-columns:1fr auto;gap:.6rem;max-width:520px}
.rastreio label{grid-column:1/-1;color:var(--muted)}
.rastreio .track-note{grid-column:1/-1;color:var(--muted);font-size:.9rem}

/* Rodapé */
.site-footer{background:var(--surface);border-top:1px solid #1f2937;padding:2rem 0;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:1rem;align-items:start}
.footer-nav{display:flex;gap:1rem}
.footer-nav a{color:#cbd5e1}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr}}

/* Banner de Cookies */
.cookie-banner,.cookie-panel{position:fixed;inset:auto 1rem 1rem 1rem;z-index:1100}
.cookie-banner{background:var(--surface);border:1px solid #1f2937;border-radius:12px;padding:1rem;max-width:680px;margin:0 auto}
.cookie-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.6rem}
.cookie-panel{inset:50% auto auto 50%;transform:translate(-50%,-50%);background:var(--surface);border:1px solid #1f2937;border-radius:12px;padding:1rem;max-width:520px}
.cookie-panel-inner h2{margin-top:0}

/* Voltar ao topo */
.back-to-top{position:fixed;right:1rem;bottom:1rem;background:var(--primary);color:var(--primary-contrast);border:none;border-radius:999px;width:44px;height:44px;display:grid;place-items:center;box-shadow:0 8px 20px rgba(59,130,246,.35);z-index:1050}
.back-to-top:focus-visible{outline:3px solid var(--focus)}

/* Animações sutis ao rolar */
[data-animate]{opacity:0;transform:translateY(12px);transition:opacity .6s ease, transform .6s ease}
[data-animate].in-view{opacity:1;transform:none}

/* Utilidades */
.menu-legal a{color:#b3c5ff}
.subtitle,.disclaimer,.track-note{letter-spacing:.2px}