:root {
  --bg: #0c0f14;
  --bg-elev: #141a22;
  --bg-card: #1a222d;
  --border: #2a3544;
  --text: #e8eef6;
  --muted: #9aa8b8;
  --accent: #3dd68c;
  --accent-dim: #1f8f5a;
  --warn: #f0b429;
  --danger: #f07178;
  --link: #6cb6ff;
  --radius: 12px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}
.logo span { color: var(--accent); }

.badge {
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--bg-elev);
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  line-height: 1.25;
  margin: 0 0 0.5rem;
  font-weight: 700;
}

.tagline {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.price-block {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.price-main {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.price-sub {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

ul.features {
  margin: 0;
  padding-left: 1.15rem;
}
ul.features li { margin-bottom: 0.45rem; }
ul.features li::marker { color: var(--accent); }

.warning {
  border-color: rgba(240, 180, 41, 0.45);
  background: linear-gradient(135deg, rgba(240, 180, 41, 0.08), var(--bg-card));
}
.warning strong { color: var(--warn); }

.disclaimer {
  font-size: 0.85rem;
  color: var(--muted);
}
.disclaimer h2 { color: var(--text); font-size: 0.95rem; }

.pay-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 560px) {
  .pay-grid { grid-template-columns: 1fr; justify-items: center; }
}

.qr-box {
  background: #fff;
  padding: 0.6rem;
  border-radius: 10px;
  line-height: 0;
}
.qr-box img {
  width: 148px;
  height: 148px;
  display: block;
}
.qr-caption {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.addr-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.addr {
  font-family: var(--mono);
  font-size: 0.82rem;
  word-break: break-all;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }

button, .btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  padding: 0.65rem 1rem;
  transition: background 0.15s, transform 0.1s;
}
button:active, .btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #062216;
}
.btn-primary:hover { background: #4ee09a; }

.btn-secondary {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--muted); }

.btn-ghost {
  background: transparent;
  color: var(--link);
  border: 1px solid var(--border);
  text-decoration: none;
  display: inline-block;
}
.btn-ghost:hover { border-color: var(--link); text-decoration: none; }

.assets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 0;
}
.chip {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3rem 0.55rem;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0.65rem 0 0.65rem 2.4rem;
  border-bottom: 1px solid var(--border);
}
.steps li:last-child { border-bottom: none; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--accent-dim);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--accent);
  color: #062216;
  font-weight: 600;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  opacity: 0;
  transition: transform 0.25s, opacity 0.25s;
  z-index: 50;
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

form.order-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.75rem 0 0.3rem;
}
form.order-form input,
form.order-form textarea {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.65rem 0.75rem;
}
form.order-form input:focus,
form.order-form textarea:focus {
  outline: 2px solid var(--accent-dim);
  border-color: var(--accent-dim);
}
form.order-form textarea { min-height: 72px; resize: vertical; font-family: var(--font); }

.note {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.75rem;
}

footer.site {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.success-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(61, 214, 140, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.mono { font-family: var(--mono); }

/* Product preview gallery */
.gallery {
  display: grid;
  gap: 1rem;
}
.gallery figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev);
}
.gallery img {
  display: block;
  width: 100%;
  height: auto;
}
.gallery figcaption {
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}