/* Landing sections (canvas 2b desktop / 2c mobile). Loads after shell.css. */
section {
  padding: 56px var(--gutter);
  border-bottom: 1px solid var(--rt-line);
}

h2 {
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 56px;
  padding: 72px var(--gutter) 64px;
  align-items: center;
  border-bottom: 1px solid var(--rt-line);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.hero h1 {
  font-size: 52px;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 15ch;
  text-wrap: balance;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cta-note {
  font-size: 12px;
  color: var(--rt-ink-3);
}

/* ── Popup mock ──────────────────────────────────────── */
.mock {
  justify-self: end;
  width: 360px;
  background: var(--rt-surface);
  border: 1px solid var(--rt-line);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(23, 24, 26, 0.09);
  overflow: hidden;
  font-size: 13px;
}

.mock-head {
  padding: 12px 14px 0;
  background: var(--rt-surface-2);
  border-bottom: 1px solid var(--rt-line);
}

.mock-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-weight: 600;
}

.mock-tabs {
  display: flex;
  gap: 16px;
  font-size: 12px;
  font-weight: 500;
}

.mock-tabs .on {
  padding-bottom: 8px;
  box-shadow: inset 0 -2px 0 0 var(--rt-accent);
}

.mock-tabs .off {
  padding-bottom: 8px;
  color: var(--rt-ink-2);
}

.mock-body {
  padding: 14px;
}

.mock-cols {
  display: flex;
  justify-content: space-between;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rt-line);
  font: 400 9px var(--rt-font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rt-ink-3);
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--rt-line);
}

.mock-kw {
  flex: 1;
  min-width: 0;
}

.mock-kw b {
  display: block;
  font-weight: 450;
}

.mock-kw small,
.mock-rank small {
  font-size: 11px;
  color: var(--rt-ink-3);
}

.spark {
  flex: none;
  color: var(--rt-line-strong);
  overflow: visible;
}

.mock-rank {
  width: 56px;
  text-align: right;
  font-family: var(--rt-font-mono);
}

.mock-rank b {
  display: block;
  font-size: 15px;
  font-weight: 500;
}

.mock-rank .up {
  color: var(--rt-up);
}

.mock-rank .down {
  color: var(--rt-down);
}

.mock-btn {
  margin-top: 14px;
  text-align: center;
  font-weight: 500;
  padding: 9px 12px;
  border-radius: 6px;
  background: var(--rt-accent);
  color: var(--rt-accent-ink);
}

.mock-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--rt-line);
  font-size: 11px;
  line-height: 1.5;
  color: var(--rt-ink-2);
  text-wrap: pretty;
}

/* ── Sections ────────────────────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--rt-surface);
  border: 1px solid var(--rt-line);
  border-radius: 10px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h3 {
  font-size: 16px;
  line-height: 1.3;
}

.card p,
.bullet p,
.step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--rt-ink-2);
  text-wrap: pretty;
}

.split {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 56px;
}

.split .kicker {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--rt-ink-2);
}

.trust {
  background: var(--rt-surface);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 40px;
}

.bullet {
  padding-left: 16px;
  border-left: 2px solid var(--rt-accent);
}

.bullet b,
.step b {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 4px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 28px;
}

.step {
  padding-top: 16px;
  border-top: 2px solid var(--rt-ink);
}

.step small {
  display: block;
  font: 500 11px var(--rt-font-mono);
  letter-spacing: 0.08em;
  color: var(--rt-ink-3);
  margin-bottom: 9px;
}

.callout {
  padding: 44px var(--gutter);
  background: var(--rt-accent-weak);
  border-bottom: 1px solid var(--rt-line);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.callout svg {
  flex: none;
  margin-top: 3px;
}

.callout small {
  display: block;
  font: 600 11px var(--rt-font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rt-accent);
  margin-bottom: 8px;
}

.callout p {
  margin: 0;
  font-size: 19px;
  line-height: 1.5;
  max-width: 44ch;
  text-wrap: pretty;
}

.faq details {
  border-top: 1px solid var(--rt-line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--rt-line);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  color: var(--rt-ink-3);
  font-weight: 400;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--rt-ink-2);
  max-width: 70ch;
  text-wrap: pretty;
}

.closer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  padding: 64px var(--gutter);
}

.closer h2 {
  font-size: 34px;
  letter-spacing: -0.025em;
  max-width: 20ch;
  text-wrap: balance;
}

/* ── Mobile (canvas 2c) ──────────────────────────────── */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 36px var(--gutter) 32px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.1;
    letter-spacing: -0.025em;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
    align-self: stretch;
    gap: 10px;
    text-align: center;
  }

  .mock {
    justify-self: stretch;
    width: 100%;
  }

  /* Canvas 2c: mobile mock keeps two rows + the honesty note — never cut the caveat. */
  .mock-body > .mock-row:nth-of-type(n + 4) {
    display: none;
  }

  section {
    padding: 32px var(--gutter);
  }

  h2 {
    font-size: 24px;
  }

  .features,
  .split,
  .trust-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .split,
  .steps {
    gap: 18px;
  }

  .callout {
    padding: 28px var(--gutter);
    flex-direction: column;
    gap: 10px;
  }

  .callout p {
    font-size: 16px;
  }

  .closer {
    padding: 36px var(--gutter);
  }

  .closer h2,
  .closer .btn {
    align-self: stretch;
  }
}