:root {
  --primary-1: #667eea;
  --primary-2: #764ba2;
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --surface: #f8fafc;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 10px 30px rgba(103, 126, 234, .20);
}

html { scroll-behavior: smooth; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif; color: var(--text); background: var(--bg); }

/* Navbar fixa */
.navbar { position: sticky; top: 0; z-index: 1000; background: linear-gradient(135deg, var(--primary-1), var(--primary-2)); color: #fff; box-shadow: var(--shadow); }
.navbar .wrap { max-width: 1200px; margin: 0 auto; padding: .75rem 1rem; display: flex; align-items: center; gap: 1rem; }
.brand { font-weight: 700; letter-spacing: .2px; }
.navbar .brand { display: inline-flex; align-items: center; gap: .5rem; }
.brand-logo { height: 28px; width: auto; display: inline-block; }
.brand-text { display: inline-block; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.nav a { color: #fff; text-decoration: none; opacity: .9; }
.nav a:hover { opacity: 1; }
.cta-btn { background: #fff; color: var(--primary-2); padding: .55rem .9rem; border-radius: .5rem; font-weight: 700; text-decoration: none; }
.cta-btn:hover { filter: brightness(.98); }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary-1) 0%, var(--primary-2) 100%); color: #fff; padding: 6rem 1rem 4rem; position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; inset: -10% -20% auto auto; width: 60vmax; height: 60vmax; background: radial-gradient(closest-side, rgba(255,255,255,.18), transparent); transform: rotate(25deg); pointer-events: none; }
.hero-wrap { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4.5vw, 3.5rem); line-height: 1.1; margin: 0 0 1rem; }
.hero p { font-size: clamp(1rem, 2vw, 1.25rem); opacity: .92; margin: 0 0 1.5rem; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.btn-primary { background: #fff; color: var(--primary-2); border: none; border-radius: .6rem; padding: .85rem 1.2rem; font-weight: 700; cursor: pointer; box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.85); border-radius: .6rem; padding: .75rem 1.1rem; font-weight: 600; cursor: pointer; }
.hero .placeholder-img { height: 320px; border-radius: 1rem; background: rgba(255,255,255,.25); }

/* Seções */
section { padding: 4rem 1rem; }
.wrap { max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 1.8rem; margin: 0 0 .75rem; }
.section-sub { color: var(--muted); margin-bottom: 2rem; }

/* Cards e grids */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.card { background: var(--surface); border-radius: .9rem; padding: 1.25rem; box-shadow: var(--shadow); }
.card h3 { margin: .25rem 0 .35rem; }
.placeholder-img { background: #e5e7eb; border-radius: .75rem; width: 100%; height: 180px; }
.video-wrap { position: relative; padding-top: 56.25%; background: #000; border-radius: .75rem; box-shadow: var(--shadow); overflow: hidden; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.alert { padding: .75rem 1rem; border-radius: .5rem; margin: .75rem 0; }
.alert.success { background: #ecfdf5; color: #065f46; border: 1px solid #d1fae5; }
.alert.danger { background: #fef2f2; color: #991b1b; border: 1px solid #fee2e2; }
.demo-form label { display:block; font-weight:600; margin:.5rem 0 .25rem; }
.demo-form input, .demo-form textarea { width:100%; padding:.6rem .7rem; border:1px solid #e5e7eb; border-radius:.5rem; }
.demo-form button { margin-top:.75rem; }

/* Preços */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.price-card { background: #fff; border-radius: 1rem; padding: 1.5rem; box-shadow: var(--shadow); border: 1px solid #eef2f7; }
.price { font-size: 2rem; font-weight: 800; color: var(--primary-2); }
.price small { font-weight: 500; color: var(--muted); }
.price-features { margin: 1rem 0; color: var(--text); }
.buy-btn { display: inline-block; background: linear-gradient(135deg, var(--primary-1), var(--primary-2)); color: #fff; text-decoration: none; padding: .8rem 1.1rem; border-radius: .7rem; font-weight: 700; box-shadow: var(--shadow); }

/* Depoimentos */
.testimonial { display: flex; gap: .9rem; align-items: flex-start; }
.testimonial .avatar { width: 64px; height: 64px; border-radius: 50%; background: #d1d5db; flex: 0 0 64px; }
.rating { color: #fbbf24; }
.testimonial p { margin: .25rem 0; word-break: normal; overflow-wrap: break-word; hyphens: none; white-space: normal; }

/* FAQ */
details { background: var(--surface); padding: 1rem 1.25rem; border-radius: .8rem; box-shadow: var(--shadow); }
summary { cursor: pointer; font-weight: 600; }
details + details { margin-top: .75rem; }

/* Footer */
footer { background: #0f172a; color: #cbd5e1; }
footer .wrap { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1.25rem; }
footer a { color: #93c5fd; text-decoration: none; }

/* Botão voltar ao topo */
.back-to-top { position: fixed; bottom: 1.25rem; right: 1rem; width: 44px; height: 44px; border-radius: 999px; background: linear-gradient(135deg, var(--primary-1), var(--primary-2)); color: #fff; border: none; display: inline-flex; align-items: center; justify-content: center; box-shadow: var(--shadow); z-index: 1001; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(8px); pointer-events: none; transition: opacity .25s ease, transform .25s ease; }
.back-to-top:hover { filter: brightness(.98); }
.back-to-top:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.back-to-top.show { visibility: visible; opacity: 1; transform: translateY(0); pointer-events: auto; }
@media (prefers-reduced-motion: reduce) { .back-to-top { transition: none; } }

/* Melhoria geral de botões */
.btn-primary, .btn-outline, .buy-btn, .cta-btn { transition: transform .15s ease, box-shadow .15s ease, filter .15s ease; }
.btn-primary:hover, .btn-outline:hover, .buy-btn:hover, .cta-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(2,6,23,.15); }
.btn-primary:active, .btn-outline:active, .buy-btn:active, .cta-btn:active { transform: translateY(0); filter: brightness(.97); }
.btn-primary:focus-visible, .btn-outline:focus-visible, .buy-btn:focus-visible, .cta-btn:focus-visible { outline: 2px solid #2563eb; outline-offset: 2px; }

/* Animações sutis de entrada */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* Responsivo */
@media (max-width: 960px) { .hero-wrap { grid-template-columns: 1fr; } .grid-3, .pricing { grid-template-columns: 1fr; } .grid-2 { grid-template-columns: 1fr; } }
.testimonials-scroller {
  display: flex;
  flex-wrap: nowrap;      /* evita quebra de linha dos cards */
  gap: 1rem;
  width: 100%;            /* <- importante */
  overflow-x: auto;
  overflow-y: hidden;
  padding: .5rem .25rem;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}
.testimonials-scroller .scroller-item {
  flex: 0 0 320px;        /* você já tinha — pode deixar fixo */
  /* se quiser responsivo: flex: 0 0 clamp(260px, 40vw, 320px); */
  scroll-snap-align: start;
}
.testimonials-scroller.is-auto {
  scroll-snap-type: none;
}
.testimonials-scroller .card.testimonial { flex: 0 0 auto; }
.testimonials-scroller::-webkit-scrollbar { height: 8px; }
.testimonials-scroller::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 999px; }
.testimonials-scroller::-webkit-scrollbar-track { background: #e5e7eb; }

/* Controles do scroller de depoimentos */
.scroller-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: .5rem;
  margin-top: .5rem;
}

.scroller-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(180deg, #5b8def, #3b6fd6);
  color: #fff;
  font-size: 18px;
  line-height: 36px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.scroller-btn:hover {
  background: linear-gradient(180deg, #6b9af2, #4879db);
}

.scroller-btn:active {
  transform: translateY(1px);
}