:root {
  --primary: #1b84ff;
  --primary-dark: #0e5fc0;
  --accent: #86ceff;
  --surface: #f5fbff;
  --white: #ffffff;
  --text: #15314e;
  --muted: #5c7d9d;
  --line: #d8eafb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.hero-sample {
  background: linear-gradient(140deg, #e8f4ff 0%, #d4ebff 55%, #ffffff 100%);
  padding: 7rem 0 5rem;
}

.badge-soft {
  background: #ffffff;
  color: var(--primary-dark);
  border: 1px solid #d8ebff;
  border-radius: 999px;
  padding: 0.45rem 0.85rem;
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
}

.mock-box {
  border-radius: 18px;
  background: #f8fcff;
  border: 1px solid var(--line);
  padding: 1.2rem;
  box-shadow: 0 14px 28px rgba(17, 102, 187, 0.12);
}

.mock-item {
  height: 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  background: #c6e3ff;
}

.mock-item.w80 { width: 80%; }
.mock-item.w60 { width: 60%; }
.mock-item.w95 { width: 95%; }

.section-block {
  padding: 4.5rem 0;
}

.feature-card,
.review-card,
.faq-card,
.plan-card {
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  padding: 1.2rem;
}

.feature-card h3,
.review-card h3,
.faq-card h3,
.plan-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.55rem;
}

.feature-card p,
.review-card p,
.faq-card p,
.plan-card p,
small {
  color: var(--muted);
}

.icon-dot {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-grid;
  place-items: center;
  background: #eaf5ff;
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.bg-soft {
  background: var(--surface);
}

.cta-strip {
  background: linear-gradient(130deg, #1d88ff, #64bcff);
  border-radius: 20px;
  padding: 2rem;
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0;
  color: var(--muted);
  background: #f8fcff;
}

@media (max-width: 991.98px) {
  .hero-sample {
    padding: 6rem 0 4rem;
  }
}

@media (max-width: 767.98px) {
  .hero-sample h1 {
    font-size: 1.95rem;
  }

  .section-block {
    padding: 3.5rem 0;
  }
}

.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1080;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(140deg, #1b84ff, #58b6ff);
  color: #fff;
  text-decoration: none;
  padding: 0.68rem 0.95rem;
  border-radius: 999px;
  box-shadow: 0 12px 22px rgba(17, 105, 191, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.35);
  animation: waPulse 1.9s infinite;
}

.floating-whatsapp:hover {
  color: #fff;
  transform: translateY(-2px) scale(1.02);
}

.wa-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.2);
}

.wa-text {
  font-weight: 700;
  font-size: 0.9rem;
}

@keyframes waPulse {
  0% { box-shadow: 0 0 0 0 rgba(27, 132, 255, 0.45), 0 12px 22px rgba(17, 105, 191, 0.35); }
  70% { box-shadow: 0 0 0 12px rgba(27, 132, 255, 0), 0 12px 22px rgba(17, 105, 191, 0.35); }
  100% { box-shadow: 0 0 0 0 rgba(27, 132, 255, 0), 0 12px 22px rgba(17, 105, 191, 0.35); }
}

@media (max-width: 576px) {
  .floating-whatsapp {
    right: 12px;
    bottom: 12px;
    padding: 0.58rem 0.8rem;
  }

  .wa-text {
    font-size: 0.82rem;
  }
}