/* Mobile-first shell around the approved theory artwork. */
:root {
  --ts-bg: #070908;
  --ts-text: var(--fn-chalk);
  --ts-muted: var(--fn-chalk-dim);
  --ts-gold: var(--fn-highlighter);
  --ts-border: var(--fn-rule);
  --ts-max: 887px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html.ts-root,
.ts-page {
  min-height: 100%;
  margin: 0;
  background-color: var(--ts-bg);
}

.ts-page {
  color: var(--ts-text);
  font-family: var(--fn-font-body);
  overflow-x: hidden;
  width: 100%;
}

.ts-header,
.ts-main,
.ts-footer {
  width: min(100%, var(--ts-max));
  max-width: 100%;
  margin-inline: auto;
}

.ts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
}

.ts-logo {
  direction: ltr;
  color: var(--ts-text);
  font-family: var(--fn-font-mono);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  text-decoration: none;
  white-space: nowrap;
}

.ts-logo b { color: var(--ts-gold); }

.ts-btn,
.ts-footer-cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  border-radius: 8px;
  background: var(--ts-gold);
  color: var(--fn-highlighter-ink);
  font-family: inherit;
  font-weight: 700;
  text-decoration: none;
}

.ts-header-cta { padding: 0.62rem 0.85rem; font-size: 0.79rem; white-space: nowrap; }

.ts-main { position: relative; }
.ts-artwork { display: block; width: 100%; max-width: 100%; height: auto; }

.ts-i18n-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.ts-cta-panel {
  margin: 0.9rem 0.75rem 1.4rem;
  padding: 1.35rem;
  text-align: center;
  border: 1px solid var(--ts-border);
  border-radius: 16px;
  background: var(--ts-bg);
}

.ts-cta-panel h2 { margin: 0 0 0.4rem; font-size: 1.45rem; }
.ts-cta-panel p { margin: 0 auto 1rem; max-width: 31rem; color: var(--ts-muted); line-height: 1.55; }
.ts-main-cta { padding: 0.82rem 1.4rem; font-size: 1rem; }

.ts-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.4rem 1rem 2rem;
  border-top: 1px solid var(--ts-border);
  text-align: initial;
}
.ts-footer-cta { padding: 0.62rem 1rem; font-size: 0.86rem; }

@media (max-width: 360px) {
  .ts-header { padding-inline: 0.7rem; gap: 0.55rem; }
  .ts-logo { font-size: 0.96rem; }
  .ts-header-cta { padding: 0.55rem 0.65rem; font-size: 0.72rem; }
  .ts-cta-panel { margin-inline: 0.5rem; padding: 1.1rem 0.9rem; }
  .ts-footer { padding-inline: 0.7rem; gap: 0.7rem; }
  .ts-footer-cta { padding-inline: 0.7rem; font-size: 0.78rem; }
}

@media (max-width: 699px) {
  .ts-footer { margin-bottom: 40px; }
}

@media (min-width: 700px) {
  .ts-header { padding: 1.25rem 1.5rem; }
  .ts-cta-panel { margin: 1.25rem 0 2rem; padding: 1.8rem; }
  .ts-footer { flex-direction: row; justify-content: space-between; padding-inline: 1.5rem; text-align: initial; }
}