:root {
  --bg: #0b1220;
  --bg-soft: #111a2c;
  --panel: #16223a;
  --panel-hi: #1c2b47;
  --line: #2a3c60;
  --ink: #e7ecf5;
  --ink-mute: #97a4bf;
  --ink-dim: #6b7897;
  --accent: #7fb7ff;
  --accent-hi: #b8d7ff;
  --good: #6fe0a1;
  --bad: #ff9494;
  --gold: #e8c37a;
  --brand: #1a3a52;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
html { font-family: "Inter", "Helvetica Neue", Arial, sans-serif; font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 32px; }

/* Ribbon */
.ribbon {
  background: linear-gradient(90deg, #071022 0%, #0f2148 50%, #071022 100%);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  text-align: center;
}
.ribbon-inner {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.ribbon-sep { color: var(--ink-dim); margin: 0 10px; }

/* Hero */
.hero { padding: 72px 0 40px; border-bottom: 1px solid var(--line); }
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 18px 0;
  font-weight: 600;
}
h1 {
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: 54px;
  line-height: 1.08;
  margin: 0 0 20px 0;
  letter-spacing: -0.02em;
}
h1 em {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-weight: 500;
  color: var(--accent-hi);
}
.lede {
  font-size: 18px;
  color: var(--ink-mute);
  max-width: 720px;
  margin: 0;
}

/* Economics section */
.econ { padding: 56px 0; border-bottom: 1px solid var(--line); }
h2 {
  font-size: 28px;
  letter-spacing: -0.01em;
  margin: 0 0 12px 0;
  font-weight: 700;
}
.econ-lede { color: var(--ink-mute); max-width: 780px; margin: 0 0 24px 0; font-size: 15.5px; }
.econ-lede strong { color: var(--ink); }

.econ-table-wrap { overflow-x: auto; margin: 0 -8px; }
.econ-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.econ-table th, .econ-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.econ-table th {
  background: var(--panel-hi);
  color: var(--ink);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.econ-table td.num, .econ-table th.num { font-variant-numeric: tabular-nums; }
.econ-table td.good { color: var(--good); font-weight: 700; }
.econ-table td.bad { color: var(--bad); font-weight: 600; }
.econ-table tr:last-child td { border-bottom: none; }
.econ-table tr.win td {
  background: linear-gradient(90deg, rgba(111, 224, 161, 0.08), transparent);
}
.econ-table tr.win td strong { color: var(--good); }

.econ-callout {
  margin: 22px 0 0 0;
  padding: 18px 22px;
  background: var(--panel);
  border-left: 3px solid var(--good);
  border-radius: 4px;
  font-size: 15px;
  color: var(--ink-mute);
}
.econ-callout .ratio { color: var(--good); font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }

/* Demo grid */
.demos { padding: 56px 0 40px; }
.demos-lede { color: var(--ink-mute); max-width: 780px; margin: 0 0 28px 0; }

.demo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin: 0 0 28px 0;
}
.demo-card {
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 22px 18px;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
  position: relative;
}
.demo-card:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--panel-hi);
}
.demo-card:disabled { opacity: 0.5; cursor: wait; }
.demo-card.busy .demo-cta::after {
  content: " ⏳";
}
.demo-num {
  font-family: "SFMono-Regular", "Menlo", monospace;
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.14em;
}
.demo-card h3 {
  font-size: 18px;
  margin: 6px 0 8px 0;
  font-weight: 600;
  color: var(--ink);
}
.demo-card p {
  color: var(--ink-mute);
  font-size: 14px;
  margin: 0 0 14px 0;
  min-height: 60px;
}
.demo-cta {
  color: var(--accent);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Receipt */
.receipt {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  animation: slideIn 220ms ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.receipt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--panel-hi);
  border-bottom: 1px solid var(--line);
}
.receipt-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
}
.receipt-close {
  background: none;
  border: none;
  color: var(--ink-mute);
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.receipt-close:hover { color: var(--ink); }

.receipt-body {
  padding: 24px 22px;
  font-size: 14px;
}
.receipt-body h4 {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 8px 0;
  font-weight: 600;
}
.receipt-body h4:not(:first-child) { margin-top: 22px; }
.receipt-body dl {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr;
  gap: 6px 20px;
  margin: 0 0 6px 0;
}
.receipt-body dt { color: var(--ink-mute); font-size: 13.5px; }
.receipt-body dd {
  margin: 0;
  font-family: "SFMono-Regular", "Menlo", monospace;
  font-size: 13px;
  color: var(--ink);
  word-break: break-all;
}
.receipt-body dd.good { color: var(--good); font-weight: 600; }
.receipt-body dd.bad { color: var(--bad); font-weight: 600; }
.receipt-body dd a { color: var(--accent); text-decoration: none; }
.receipt-body dd a:hover { text-decoration: underline; }
.receipt-body .badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: "Inter", sans-serif;
}
.receipt-body .badge.good { background: rgba(111, 224, 161, 0.14); color: var(--good); }
.receipt-body .badge.bad { background: rgba(255, 148, 148, 0.14); color: var(--bad); }
.receipt-body .badge.info { background: rgba(127, 183, 255, 0.14); color: var(--accent); }

.receipt-body .callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  margin: 12px 0 0 0;
  border-radius: 4px;
  font-family: inherit;
  color: var(--ink-mute);
  font-size: 13.5px;
}
.receipt-body .callout.bad { border-color: var(--bad); }
.receipt-body .callout.good { border-color: var(--good); }
.receipt-body .callout strong { color: var(--ink); }

.receipt-body pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  overflow-x: auto;
  font-size: 12px;
  color: var(--ink-mute);
  margin: 10px 0 0 0;
}

/* Footer */
.foot { padding: 40px 0 60px; border-top: 1px solid var(--line); background: var(--bg-soft); }
.foot-truth {
  color: var(--ink-mute);
  font-size: 13.5px;
  margin: 0 0 8px 0;
  max-width: 780px;
}
.foot-truth strong { color: var(--gold); }
.foot-meta {
  color: var(--ink-dim);
  font-size: 12.5px;
  margin: 0;
}
.foot-meta a { color: var(--ink-mute); }

/* Fasset variant overrides */
body[data-variant="fasset"] .ribbon {
  background: linear-gradient(90deg, #071022 0%, #12315a 50%, #071022 100%);
}
body[data-variant="fasset"] .ribbon-mark { color: #d0b979; }
body[data-variant="fasset"] h1 em { color: #d0b979; }
body[data-variant="fasset"] .demo-card:hover { border-color: #d0b979; }

/* Small screens */
@media (max-width: 640px) {
  h1 { font-size: 38px; }
  .wrap { padding: 0 20px; }
  .hero { padding: 48px 0 28px; }
  .receipt-body dl { grid-template-columns: 1fr; gap: 2px 0; }
  .receipt-body dt { margin-top: 8px; }
}