/* Reset e variáveis */
:root {
  --bg: #0b1020;
  --bg-alt: #0e132a;
  --text: #e8f1ff;
  --muted: #b7c3d0;
  --brand: #00d1ff;
  --brand-2: #00ffa3;
  --brand-3: #8a7dff;
  --accent: #22d3ee;
  --danger: #ff5a5f;
  --card: rgba(255,255,255,0.06);
  --glass: rgba(255,255,255,0.08);
  --shadow: 0 10px 30px rgba(0,0,0,0.4);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 10% 0%, #0c1430 0%, var(--bg) 50%),
              linear-gradient(135deg, rgba(0,209,255,0.08), rgba(138,125,255,0.08));
}

img { max-width: 100%; display: block; border-radius: 12px; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-2); }

.container { width: min(1200px, 92vw); margin: 0 auto; }

/* Barra de progresso multicolor */
.progressbar { position: fixed; top: 0; left: 0; width: 100%; height: 6px; z-index: 1000; }
.progressbar > span {
  display: block; height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--brand), var(--brand-2), var(--brand-3));
  background-size: 300% 100%;
  animation: shift 6s linear infinite;
  box-shadow: 0 0 18px rgba(0, 209, 255, 0.6);
}
@keyframes shift { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }

/* Header e navegação */
.site-header { position: static; backdrop-filter: blur(10px); background: rgba(10, 12, 28, 0.6); border-bottom: 1px solid rgba(255,255,255,0.08); }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 4vw; }
.brand { font-weight: 800; letter-spacing: 0.3px; }
.menu { display: none; }
.nav-toggle { display: none; }

/* Hero */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 40px; padding: clamp(48px, 8vw, 96px) 4vw; }
.hero__content h1 { font-size: clamp(36px, 7vw, 64px); margin: 0 0 12px; background: linear-gradient(90deg, #fff, #a5f3fc); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__content p { color: var(--muted); font-size: clamp(16px, 2.2vw, 20px); }
.hero__cta { display: flex; gap: 12px; margin-top: 18px; }
.btn { display: inline-block; padding: 12px 18px; border-radius: 12px; font-weight: 700; border: 1px solid rgba(255,255,255,0.14); transition: transform 220ms ease, box-shadow 220ms ease; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #00121f; }
.btn--ghost { background: rgba(255,255,255,0.06); color: var(--text); }
.hero__media img { box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.parallax img { transform: translateZ(0); will-change: transform; }

/* Seções */
.section { padding: clamp(48px, 8vw, 96px) 0; position: relative; }
.section--gradient { background: radial-gradient(900px 600px at 80% -10%, rgba(0,209,255,0.15), transparent 60%),
                              radial-gradient(600px 600px at -10% 80%, rgba(138,125,255,0.18), transparent 60%);
}
.section--alt { background: linear-gradient(180deg, var(--bg), var(--bg-alt)); }
.section--deep { background: linear-gradient(180deg, #0a0f22, #0a172e); }
.section--brand { background: linear-gradient(180deg, #061321, #081b2e); }
.section--light { background: linear-gradient(180deg, #0d1a2f, #0b1629); }

.section__header h2 { margin: 0 0 8px; font-size: clamp(28px, 4.5vw, 40px); }
.section__header p { margin: 0; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 24px; }
.card { background: var(--card); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); backdrop-filter: blur(8px); }
.card__body { color: #d7e6ff; line-height: 1.6; max-width: 75ch; font-size: 17px; }
.card h3 { margin: 0 0 8px; font-size: clamp(18px, 2.2vw, 22px); }
.card__body p { margin: 0 0 12px; }
.content--long { max-width: 75ch; }
.content--long p { margin: 0 0 14px; font-size: 18px; line-height: 1.72; }

/* Grid parceiros */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.partner { background: var(--glass); padding: 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); transition: 220ms ease; }
.partner:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

/* FAQ */
.faq__item { background: var(--glass); padding: 14px 16px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); }
.faq__item + .faq__item { margin-top: 10px; }
.faq__item summary { cursor: pointer; }
.faq__item[open] { box-shadow: var(--shadow); }

/* Footer */
.site-footer { padding: 36px 0 48px; border-top: 1px solid rgba(255,255,255,0.08); background: #070c18; }
.footer__grid { display: grid; grid-template-columns: 1.2fr 1.2fr 1.6fr; gap: 16px; align-items: start; }
.footer__col h4 { margin: 0 0 8px; }
.footer__col ul { margin: 0; padding: 0; list-style: none; }
.footer__col li { margin: 6px 0; }
.footer__brand { align-self: end; text-align: right; color: var(--muted); }

/* Revelação ao rolar */
.reveal { opacity: 0; transform: translateY(14px) scale(0.98); transition: 600ms cubic-bezier(.2,.65,.2,1); }
.reveal.in-view { opacity: 1; transform: none; }

/* Responsividade */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr; text-align: left; }
  .footer__brand { text-align: left; }
}
@media (max-width: 700px) {
  .menu { display: none; }
  .menu.open { display: flex; flex-direction: column; background: rgba(7,12,24,0.9); position: absolute; top: 56px; right: 4vw; padding: 12px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); }
  .nav-toggle { display: inline-block; }
  .cards { grid-template-columns: 1fr; }
}