.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.35s var(--ease-out), visibility 0.35s;
}
.modal.open { visibility: visible; opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(3px); animation: fadeIn 0.35s var(--ease-out) both; }
.modal-panel {
  position: relative;
  width: min(520px, 100%);
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-3);
  padding: 38px 36px 32px;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.45s var(--ease-out);
}
.modal.open .modal-panel { transform: translateY(0) scale(1); }
.modal.open .modal-view > * { animation: fadeUp 0.55s var(--ease-out-expo) both; }
.modal.open .modal-view > *:nth-child(1) { animation-delay: 0.08s; }
.modal.open .modal-view > *:nth-child(2) { animation-delay: 0.16s; }
.modal.open .modal-view > *:nth-child(3) { animation-delay: 0.24s; }
.modal.open .modal-view > *:nth-child(4) { animation-delay: 0.32s; }
.modal.open .modal-view > *:nth-child(5) { animation-delay: 0.4s; }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: all 0.3s var(--ease-out);
}
.modal-close:hover { border-color: var(--ink); color: var(--ink); transform: rotate(90deg); }
.modal-view h3 { font-size: 24px; margin-bottom: 10px; }
.modal-desc { color: var(--ink-soft); font-size: 14.5px; }
.modal-desc strong { color: var(--signal-deep); }


.order-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 20px 0 24px;
}
.order-item-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; }
.order-addr { font-size: 15px; word-break: break-all; color: var(--ink); }
.order-item .copy-btn { margin-top: 12px; }
.order-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.order-price-num { font-size: 30px; font-weight: 700; color: var(--signal-deep); letter-spacing: -0.02em; }
.order-price-unit { font-size: 14px; color: var(--ink-soft); }
.order-price-approx { font-size: 12.5px; color: var(--ink-faint); }

.modal-view-content { display: flex; flex-direction: column; gap: 12px; }
.modal-view-content .btn { width: 100%; }
.modal .contact-actions { flex-direction: column; }
.modal .contact-actions .contact-btn { width: 100%; }


.pay-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}
.pay-qr { width: 132px; height: 132px; background: #fff; border-radius: 10px; padding: 8px; border: 1px solid var(--line); position: relative; overflow: hidden; }
.pay-qr img { width: 100%; height: 100%; image-rendering: pixelated; }
.pay-qr::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 26%;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.16), transparent);
  animation: scanline 2.6s ease-in-out infinite;
  pointer-events: none;
}
.pay-addr-block { display: flex; flex-direction: column; gap: 10px; }
.pay-addr { font-size: 13px; word-break: break-all; color: var(--ink); }
.pay-addr-block .copy-btn { align-self: flex-start; }
.pay-status { margin: 4px 0 10px; }
.pay-status-track {
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
  margin-bottom: 10px;
}
.pay-status-track span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--signal);
  transition: width 0.6s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.pay-status-track span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.8s linear infinite;
}
.pay-status-track span.done { background: var(--ok); }
.pay-status-track span.done::after { animation: none; opacity: 0.6; }
.pay-status-text { font-size: 13.5px; color: var(--ink-soft); display: flex; align-items: center; gap: 8px; }
.pay-status-text::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--signal);
  animation: pulse 1.4s ease-in-out infinite;
}
.pay-status-text.done::before { background: var(--ok); animation: none; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.pay-note { font-size: 12px; color: var(--ink-faint); margin-top: 14px; }


.modal .reveal-box {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin: 18px 0 14px;
  position: relative;
  overflow: hidden;
}
.modal .reveal-box::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background: linear-gradient(105deg, transparent 40%, rgba(0, 0, 0, 0.12) 50%, transparent 60%);
  background-size: 200% 100%;
  animation: shimmer 3.2s linear infinite;
  pointer-events: none;
}
.modal .reveal-box > * { position: relative; }
.modal .reveal-box::before {
  content: "PRIVATE KEY";
  position: absolute;
  top: -9px; left: 16px;
  background: var(--paper);
  padding: 0 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--signal);
  z-index: 2;
}
.modal .reveal-key { font-size: 15px; word-break: break-all; line-height: 1.5; user-select: all; }
.modal .reveal-box .copy-btn { margin-top: 14px; }
.modal .reveal-warn {
  font-size: 13px;
  color: var(--signal-deep);
  background: var(--signal-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.modal .reveal-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }


.manual-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 18px 0 22px;
  flex-wrap: wrap;
}
.manual-item .mono { font-size: 13.5px; word-break: break-all; flex: 1; min-width: 120px; }
.manual-item .order-price-num { font-size: 20px; }


.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: var(--paper);
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
  box-shadow: var(--shadow-3);
  max-width: calc(100vw - 40px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }


@media (max-width: 1000px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-side { flex-direction: row; }
  .hero-stats { flex: 1; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 760px) {
  .nav-links, .nav-actions { display: none; }
  .nav-burger { display: flex; }
  .hero { padding-top: calc(var(--nav-h) + 48px); }
  .hero-side { flex-direction: column; }
  .section { padding: 72px 0; }
  .steps, .security-grid { grid-template-columns: 1fr; }
  .grid { grid-template-columns: 1fr; gap: 16px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .stat { padding: 14px 4px; }
  .stat-num { font-size: 1.05rem; }
  .stat-sm { font-size: 0.8rem; letter-spacing: 0; }
  .stat-label { font-size: 11px; margin-top: 4px; }
  .only-mobile { display: block; }
  .search input { width: 160px; }
  .custom-cta { padding: 32px 26px; }
  .pay-box { grid-template-columns: 1fr; justify-items: center; }
  .reveal-actions { grid-template-columns: 1fr; }
  .modal-panel { padding: 32px 22px 26px; }
  .footer-links { gap: 40px; }
  .contact-actions .contact-btn { width: 100%; }
}
@media (max-width: 480px) {
  .hero-actions .btn-lg { width: 100%; }
  .catalog-bar { flex-direction: column; align-items: stretch; }
  .catalog-tools { justify-content: stretch; }
  .search { flex: 1; }
  .search input { width: 100%; font-size: 16px; }
  #sortSelect { flex: 1; }
  .btn:not(.btn-sm) { min-height: 44px; }
  .cat-pill { padding: 10px 14px; }
}


.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
.card.reveal {
  transition:
    opacity 0.6s var(--ease-out) calc(var(--i, 0) * 55ms),
    transform 0.6s var(--ease-out) calc(var(--i, 0) * 55ms),
    box-shadow 0.45s var(--ease-out) 0s,
    border-color 0.45s var(--ease-out) 0s;
  will-change: opacity, transform;
}
.card.reveal.in-view { opacity: 1; transform: translateY(0); }
.card.reveal:hover {
  transition-delay: 0s, 0s, 0s, 0s;
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--ink);
}
.faq-item.reveal {
  transition:
    opacity 0.6s var(--ease-out) calc(var(--i, 0) * 70ms),
    transform 0.6s var(--ease-out) calc(var(--i, 0) * 70ms);
}
.faq-item.reveal.in-view { opacity: 1; transform: translateY(0); }
.section-head.reveal {
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out);
}