/* The Liberty Articulator: Series, newsletter, and subscription pages.
   Reuses the publication design tokens defined in publication.css. */

.content-feature-page {
  margin: 0 auto;
  max-width: 96rem;
  padding: clamp(2.5rem, 6vw, 6rem) clamp(1.25rem, 4vw, 4.5rem);
}

.content-feature-hero {
  border-bottom: 1px solid var(--ink);
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.55fr);
  padding-bottom: clamp(2.5rem, 5vw, 5rem);
}

.content-feature-hero > :first-child:last-child,
.content-feature-hero:not(.series-hero) {
  grid-template-columns: minmax(0, 1fr);
}

.content-feature-hero h1,
.status-card h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 6.8vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.94;
  margin: 0;
  max-width: 13ch;
}

.feature-lead {
  color: var(--muted-ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.1rem, 1.7vw, 1.45rem);
  line-height: 1.65;
  max-width: 55rem;
}

.feature-note {
  color: var(--muted-ink);
  font-size: 0.75rem;
  line-height: 1.6;
}

.feature-section-heading {
  border-bottom: 1px solid var(--ink);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
}

.feature-section-heading h2,
.series-feature h2,
.subscription-benefits h2,
.signup-panel h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.5vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
}

.series-grid {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 3rem;
}

.series-card {
  border-bottom: 1px solid var(--ink);
  border-right: 1px solid var(--rule);
  min-width: 0;
  padding: 2rem;
}

.series-card:nth-child(even) { border-right: 0; }
.series-card img { aspect-ratio: 3 / 2; margin-bottom: 1.5rem; object-fit: cover; width: 100%; }
.series-card h2 { font: 400 clamp(2rem, 3vw, 3.6rem)/1 Georgia, serif; margin: 0 0 1rem; }
.series-card p { color: var(--muted-ink); line-height: 1.65; }
.series-subtitle { color: var(--ink) !important; font-family: Georgia, serif; font-size: 1.15rem; }

.series-artwork { margin: 0; }
.series-artwork img { aspect-ratio: 1; border: 1px solid var(--rule); object-fit: cover; width: 100%; }

.series-feature {
  border-bottom: 1px solid var(--ink);
  padding: clamp(3rem, 6vw, 6rem) 0;
}
.series-feature h2 { max-width: 18ch; }
.series-person { color: var(--oxblood); font-size: 0.68rem; font-weight: 750; letter-spacing: 0.1em; text-transform: uppercase; }

.series-installments { padding-top: clamp(3rem, 6vw, 6rem); }
.series-installment-list { list-style: none; margin: 0; padding: 0; }
.series-installment-list li {
  align-items: start;
  border-bottom: 1px solid var(--rule);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  padding: 1.5rem 0;
}
.series-installment-number { color: var(--rule); font-family: Georgia, serif; font-size: 1.35rem; }
.series-installment-list h3 { font: 400 clamp(1.35rem, 2vw, 2rem)/1.1 Georgia, serif; margin: 0.2rem 0 0.6rem; }
.series-installment-list p { color: var(--muted-ink); margin: 0; }
.series-installment-list time { color: var(--muted-ink); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; }

.signup-shell {
  display: grid;
  gap: clamp(3rem, 8vw, 8rem);
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.7fr);
}
.signup-copy h1 { font: 400 clamp(3rem, 6vw, 6.5rem)/0.95 Georgia, serif; letter-spacing: -0.055em; margin: 0 0 1.5rem; }
.signup-panel {
  align-self: start;
  background: var(--paper-deep);
  border-top: 4px solid var(--oxblood);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.signup-panel form { margin-top: 1.5rem; }
.form-field { margin-bottom: 1.25rem; }
.form-field label { display: block; font-size: 0.68rem; font-weight: 750; letter-spacing: 0.08em; margin-bottom: 0.45rem; text-transform: uppercase; }
.form-field input {
  background: var(--paper-light);
  border: 1px solid var(--rule);
  border-radius: 0;
  color: var(--ink);
  font: inherit;
  padding: 0.8rem;
  width: 100%;
}
.form-field input:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 2px; }
.form-error { color: #8f2020; font-size: 0.75rem; }

.subscription-benefits,
.plan-grid { padding-top: clamp(3rem, 6vw, 6rem); }
.subscription-benefits { border-bottom: 1px solid var(--ink); padding-bottom: clamp(3rem, 6vw, 6rem); }
.plan-cards { display: grid; gap: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.plan-card { border: 1px solid var(--rule); border-right: 0; padding: 2rem; }
.plan-card:last-child { border-right: 1px solid var(--rule); }
.plan-card-featured { background: var(--paper-deep); border-top: 4px solid var(--oxblood); }
.plan-card h3 { font: 400 1.8rem/1.1 Georgia, serif; margin: 0 0 1rem; }
.plan-price { color: var(--oxblood); font: 400 2.2rem/1 Georgia, serif; }

.status-page { min-height: 60vh; }
.status-card { border-top: 4px solid var(--oxblood); max-width: 54rem; padding-top: 2rem; }
.status-card h1 { font-size: clamp(2.5rem, 5vw, 5rem); }
.status-card p { color: var(--muted-ink); font-family: Georgia, serif; font-size: 1.1rem; line-height: 1.65; }

@media (max-width: 900px) {
  .content-feature-hero,
  .signup-shell { grid-template-columns: 1fr; }
  .series-grid,
  .plan-cards { grid-template-columns: 1fr; }
  .series-card,
  .plan-card { border-right: 1px solid var(--rule); }
}

@media (max-width: 640px) {
  .content-feature-page { padding-inline: 1.25rem; }
  .series-installment-list li { grid-template-columns: 2.25rem minmax(0, 1fr); }
  .series-installment-list time { grid-column: 2; }
}