* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: #0f1419;
  color: #e2e8f0;
  line-height: 1.72;
}
a { color: #7c9eff; }
img { max-width: 100%; height: auto; display: block; }

.npf-bar {
  background: linear-gradient(135deg, #1a2332, #243044);
  border-bottom: 1px solid #334155;
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0;
}
.npf-bar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
}
.npf-logo { font-weight: 800; font-size: 18px; color: #f8fafc; flex-shrink: 0; }
.npf-logo span { color: #60a5fa; }
.npf-nav-desktop {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
  padding: 0 16px 12px;
}
.npf-nav a { color: #94a3b8; text-decoration: none; font-weight: 600; }
.npf-nav a:hover { color: #fff; }
.npf-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid #475569;
  border-radius: 8px;
  background: #0f172a;
  cursor: pointer;
}
.npf-menu-btn span {
  display: block;
  height: 2px;
  background: #e2e8f0;
  border-radius: 1px;
}
.npf-mobile-menu {
  display: none;
  border-top: 1px solid #334155;
  background: #1a2332;
}
.npf-mobile-menu.is-open { display: block; }
.npf-mobile-menu nav {
  display: flex;
  flex-direction: column;
  padding: 8px 12px 12px;
}
.npf-mobile-menu a {
  display: block;
  padding: 14px 12px;
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
}
.npf-mobile-menu a:first-child {
  background: #2563eb;
  color: #fff;
  text-align: center;
  margin-bottom: 4px;
}
.npf-mobile-menu a:not(:first-child):hover { background: #0f172a; }
.npf-btn-header { flex-shrink: 0; white-space: nowrap; }
.npf-btn {
  display: inline-block;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
}
.npf-btn:hover { filter: brightness(1.08); }
.npf-btn:disabled { opacity: 0.6; cursor: wait; }

.npf-wrap { max-width: 920px; margin: 0 auto; padding: 28px 22px 64px; }
.npf-hero { margin-bottom: 28px; }
.npf-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 36px);
  color: #f8fafc;
  line-height: 1.25;
}
.npf-lead { color: #94a3b8; font-size: 17px; margin: 0 0 20px; }

.npf-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 24px 0;
  text-align: center;
}
.npf-metrics > div {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 16px;
}
.npf-metrics b { display: block; font-size: 24px; color: #60a5fa; }
.npf-metrics span { font-size: 13px; color: #94a3b8; }
@media (max-width: 600px) { .npf-metrics { grid-template-columns: 1fr; } }

.npf-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 20px;
}
.npf-card h2 { margin: 0 0 12px; font-size: 22px; color: #f1f5f9; }
.npf-card p { color: #cbd5e1; margin: 0 0 12px; }

.npf-steps { display: grid; gap: 14px; margin-top: 8px; }
.npf-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  background: #0f172a;
  border-radius: 10px;
  padding: 14px;
  border: 1px solid #334155;
}
.npf-step-num {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #2563eb;
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.npf-step-title { font-weight: 700; color: #f8fafc; margin: 0 0 6px; font-size: 1rem; }
.npf-step p { margin: 0; font-size: 0.95rem; color: #94a3b8; }

.npf-tariffs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 12px;
}
@media (max-width: 768px) { .npf-tariffs { grid-template-columns: 1fr; } }
.npf-tariff {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 18px;
}
.npf-tariff h3 { margin: 0 0 10px; font-size: 1.05rem; color: #e2e8f0; }
.npf-tariff ul { margin: 0 0 14px; padding-left: 18px; color: #94a3b8; font-size: 0.9rem; }
.npf-tariff-price { font-size: 1.25rem; font-weight: 800; color: #60a5fa; margin-bottom: 12px; }

.npf-benefits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 640px) { .npf-benefits { grid-template-columns: 1fr; } }
.npf-benefit {
  background: #0f172a;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #334155;
}
.npf-benefit h3 { margin: 0 0 6px; font-size: 1rem; color: #f1f5f9; }
.npf-benefit p { margin: 0; font-size: 0.9rem; color: #94a3b8; }

.npf-details {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 20px;
}
.npf-details summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 700;
  color: #f1f5f9;
  list-style: none;
}
.npf-details summary::-webkit-details-marker { display: none; }
.npf-details-inner { padding: 0 22px 22px; border-top: 1px solid #334155; }
.npf-details-inner h3 { font-size: 1.05rem; color: #e2e8f0; margin: 18px 0 8px; }
.npf-details-inner p { color: #94a3b8; margin: 0 0 12px; }

.npf-faq details {
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 10px;
}
.npf-faq summary { cursor: pointer; font-weight: 600; color: #e2e8f0; }
.npf-faq p { margin: 10px 0 0; color: #94a3b8; font-size: 0.95rem; }

.npf-form {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.npf-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; color: #cbd5e1; }
.npf-form input,
.npf-form textarea {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid #475569;
  background: #0f172a;
  color: #f8fafc;
  font-size: 16px;
  width: 100%;
  min-height: 48px;
}
.npf-form textarea { min-height: 96px; resize: vertical; }
.npf-form input:focus,
.npf-form textarea:focus {
  outline: 2px solid #3b82f6;
  border-color: transparent;
}
.npf-form-note { font-size: 12px; color: #64748b; margin: 0; }

.npf-foot {
  text-align: center;
  padding: 22px;
  font-size: 13px;
  color: #64748b;
  border-top: 1px solid #334155;
}

.npf-toast {
  position: fixed;
  bottom: 24px;
  left: 16px;
  right: 16px;
  max-width: 400px;
  margin: 0 auto;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  z-index: 9999;
  color: #fff;
}
.npf-toast--ok { background: #059669; }
.npf-toast--err { background: #dc2626; }

@media (max-width: 768px) {
  .npf-nav-desktop { display: none; }
  .npf-menu-btn { display: flex; }
  .npf-btn-header { display: none; }
  .npf-wrap { padding: 20px 16px 48px; }
  .npf-card { padding: 18px 16px; }
  .npf-card h2 { font-size: 1.2rem; }
  .npf-lead { font-size: 16px; }
  .npf-btn {
    width: 100%;
    text-align: center;
    padding: 14px 18px;
    font-size: 16px;
  }
  .npf-tariff .npf-btn { width: auto; }
}

@media (max-width: 380px) {
  .npf-bar-top { padding: 10px 12px; }
  .npf-logo { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before { transition: none !important; }
  html { scroll-behavior: auto; }
}
