:root {
  --ink: #1a1a1a;
  --paper: #fafaf8;
  --line: #2b2b2b;
  --muted: #6b6b6b;
  --soft: #e8e8e4;
  --accent: #ff5722;
  --quote: #f1f0eb;
  --warn: #c44d2c;
  --ok: #2f7a4f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  line-height: 1.55;
}

.wf-banner {
  background: #111;
  color: #fafaf8;
  font-size: 12px;
  text-align: center;
  padding: 6px 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.wf-banner a { color: var(--accent); text-decoration: underline; }

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

header.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 14px;
  margin-bottom: 32px;
}
header.nav .logo {
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 18px;
}
header.nav .logo .vs { color: var(--muted); font-weight: 400; margin: 0 6px; }
header.nav nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 14px;
  font-size: 13px;
}
header.nav .cta-mini {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  margin-left: 14px;
  font-size: 13px;
  font-weight: 600;
}

.hero {
  padding: 28px 0 16px;
  border-bottom: 1px dashed var(--line);
}
.hero .eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 12px;
}
.hero h1 {
  font-size: 38px;
  line-height: 1.1;
  margin: 0 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}
.hero h1 .accent { color: var(--accent); }
.hero .sub {
  font-size: 17px;
  color: var(--ink);
  margin: 0 0 24px;
  max-width: 560px;
}
.hero .ctarow {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.btn {
  display: inline-block;
  padding: 14px 22px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
}
.btn:hover { background: #000; }
.btn.alt {
  background: transparent;
  color: var(--ink);
}
.byline { font-size: 13px; color: var(--muted); }

.placeholder {
  border: 2px dashed var(--muted);
  background: var(--soft);
  color: var(--muted);
  padding: 24px;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 28px 0;
}
.placeholder.tall { padding: 64px 24px; }
.placeholder .label { font-weight: 700; }
.placeholder .hint { font-size: 11px; color: var(--muted); margin-top: 6px; text-transform: none; letter-spacing: 0; }

section {
  padding: 36px 0;
  border-bottom: 1px dashed var(--line);
}
section h2 {
  font-family: Georgia, serif;
  font-size: 26px;
  margin: 0 0 18px;
  font-weight: 700;
}
section .lede {
  color: var(--muted);
  font-size: 14px;
  margin: -10px 0 22px;
  max-width: 520px;
}

.quotes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.quote {
  background: var(--quote);
  border-left: 3px solid var(--ink);
  padding: 14px 16px;
  font-size: 14px;
}
.quote .src { display: block; color: var(--muted); font-size: 11px; margin-top: 8px; }

.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 8px;
}
.compare th, .compare td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.compare th { background: var(--soft); font-weight: 700; }
.compare td.fusion { color: var(--warn); }
.compare td.ency { color: var(--ok); font-weight: 600; }
.compare .pain-row td:first-child { font-weight: 700; }

.mechanisms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.mech {
  border: 1px solid var(--line);
  padding: 18px;
}
.mech .num {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.mech h3 {
  font-family: Georgia, serif;
  font-size: 19px;
  margin: 4px 0 8px;
}
.mech p { margin: 0; font-size: 14px; }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  list-style: none;
}
.faq summary::after { content: " +"; color: var(--muted); }
.faq details[open] summary::after { content: " −"; }
.faq details p {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 14px;
}

.final-cta {
  background: var(--ink);
  color: var(--paper);
  padding: 44px 24px;
  text-align: center;
  margin-top: 36px;
}
.final-cta h2 {
  color: var(--paper);
  font-size: 28px;
  margin: 0 0 14px;
}
.final-cta p { color: #cfcfcb; margin: 0 0 22px; }
.final-cta .btn {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper);
}

footer.foot {
  font-size: 12px;
  color: var(--muted);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}
.card-link {
  display: block;
  border: 1px solid var(--line);
  padding: 22px;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  transition: transform 0.1s, background 0.1s;
}
.card-link:hover { background: #fff; transform: translateY(-2px); }
.card-link .num {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.card-link h2 {
  font-family: Georgia, serif;
  font-size: 22px;
  margin: 0 0 8px;
}
.card-link .meta { font-size: 13px; color: var(--muted); }
.card-link .arrow { float: right; color: var(--accent); font-weight: 700; }

.pill {
  display: inline-block;
  border: 1px solid var(--ink);
  font-size: 11px;
  padding: 3px 8px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-right: 6px;
  margin-bottom: 6px;
}

@media (min-width: 720px) {
  .quotes { grid-template-columns: 1fr 1fr; }
  .mechanisms { grid-template-columns: 1fr 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr 1fr; }
  .hero h1 { font-size: 52px; }
}