:root {
  --ink: #13201c;
  --muted: #33443e;
  --paper: #f3efe6;
  --accent: #0d5c50;
  --accent-deep: #083f38;
  --line: rgba(19, 32, 28, 0.14);
  --card: #fbf8f1;
  --on-accent: #f7fbf9;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  background: var(--paper);
  line-height: 1.55;
}

body::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--accent-deep);
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin: 0 auto;
  padding: clamp(1.75rem, 5vh, 3.75rem) 1.25rem 3.25rem;
}

/* ---------- masthead ---------- */

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1.25rem;
  margin: 0 0 1.15rem;
}

.nav-meta {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  line-height: 1.45;
}

.nav-meta a {
  color: var(--accent-deep);
  text-decoration: none;
  font-weight: 600;
}

.nav-meta a:hover {
  text-decoration: underline;
}

.brand {
  margin: 0;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(1.55rem, 4.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--accent-deep);
}

.pub-line {
  margin: 0 0 0.7rem;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--accent-deep);
  line-height: 1.4;
}

.pub-line a {
  color: var(--accent-deep);
}

h1 {
  margin: 0 0 0.85rem;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(1.55rem, 4.1vw, 2.15rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.lead {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--muted);
  max-width: 36rem;
}

.lead em {
  font-style: italic;
  color: var(--ink);
}

header .cta {
  margin: 1.25rem 0 0;
}

/* ---------- section headings ---------- */

.shell h2 {
  margin: 0 0 1rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.12rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.evidence,
.offer,
.status,
.founder,
.leer {
  margin-top: 2.85rem;
  padding-top: 2.1rem;
  border-top: 1px solid var(--line);
}

.leer {
  margin-top: 2.15rem;
  padding-top: 1.75rem;
}

.leer-list {
  counter-reset: layer;
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.leer-list li {
  counter-increment: layer;
  position: relative;
  margin: 0;
  padding: 0.95rem 1.05rem 1rem 2.55rem;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
}

.leer-list li::before {
  content: counter(layer);
  position: absolute;
  left: 0.95rem;
  top: 0.95rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--accent);
}

.leer-list strong {
  display: block;
  margin: 0 0 0.2rem;
  color: var(--ink);
  font-size: 0.98rem;
}

.founder p {
  margin: 0;
  font-size: 0.97rem;
  color: var(--muted);
  max-width: 40rem;
}

.founder-links {
  margin-top: 0.85rem !important;
  font-weight: 600;
}

.founder-links a {
  color: var(--accent-deep);
}

/* ---------- evidence figures ---------- */

.figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.figures li {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.05rem 1.1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
}

.figure {
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(1.55rem, 3.8vw, 1.95rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--accent-deep);
}

.figure-label {
  font-size: 0.92rem;
  line-height: 1.35;
  color: var(--ink);
}

.figure-note {
  margin-top: 0.15rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--muted);
}

.evidence-source {
  margin: 1.35rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 40rem;
}

/* ---------- offer ---------- */

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.offer-grid article {
  padding: 1.1rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
}

.offer-grid h3 {
  margin: 0 0 0.4rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.offer-grid p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--muted);
}

.offer-grid a {
  color: var(--accent-deep);
  font-weight: 600;
}

/* ---------- cta ---------- */

.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.7rem;
  margin: 2.35rem 0 0;
}

.cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.cta .primary {
  background: var(--accent);
  color: var(--on-accent);
  border: 1px solid var(--accent);
}

.cta .primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.cta .outline {
  color: var(--accent-deep);
  border: 1px solid var(--accent);
  background: transparent;
}

.cta .outline:hover {
  background: rgba(13, 92, 80, 0.08);
}

.cta .secondary {
  color: var(--accent-deep);
  border: 1px solid transparent;
  border-bottom-color: currentColor;
  padding-left: 0.35rem;
  padding-right: 0.35rem;
  background: transparent;
}

.cta .secondary:hover {
  background: rgba(13, 92, 80, 0.06);
}

/* ---------- status ---------- */

.status p {
  margin: 0;
  font-size: 0.97rem;
  color: var(--muted);
  max-width: 40rem;
}

/* ---------- footer ---------- */

.fine {
  margin-top: 2.85rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--muted);
}

.fine p {
  margin: 0 0 0.7rem;
  max-width: 40rem;
}

.fine strong {
  color: var(--ink);
  font-weight: 600;
}

.fine .legal {
  margin: 1rem 0 0;
}

.fine .ver {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.fine a {
  color: var(--accent-deep);
}

/* ---------- accessibility ---------- */

a:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
}

.cta .primary:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
  box-shadow: 0 0 0 5px var(--paper);
}

@media (max-width: 39.9rem) {
  .cta-hero {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-hero a {
    width: 100%;
  }

  .figures,
  .offer-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cta a {
    transition: none;
  }
}