/* ============================================================
   We made the AIs sit a prediction exam — field note 03
   Extends the shared editorial system in model_openness.css.
   ============================================================ */

.hsc-article {
  --hsc-sky: #b9ddeb;
  --hsc-sky-deep: #4e7888;
  --hsc-sun: #f6cf64;
  --hsc-lilac: #c9bcf6;
  --hsc-green-ink: #587c4f;
}

.hsc-article .ai-section {
  padding-top: clamp(4.8rem, 7vw, 7rem);
  padding-bottom: clamp(4.8rem, 7vw, 7rem);
}

.hsc-article .ai-section-heading h2 {
  letter-spacing: -0.042em;
}

.hsc-hero-accent {
  color: var(--ai-lime);
}

/* ---------- Hero ---------- */

.hsc-article .hsc-hero {
  background:
    radial-gradient(circle at 12% 90%, rgba(185, 221, 235, 0.11), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(246, 207, 100, 0.09), transparent 26%),
    var(--ai-forest);
}

.hsc-article .ai-hero__copy h1 {
  font-size: clamp(3.6rem, 6.6vw, 6.9rem);
}

.hsc-hero-board {
  position: relative;
  width: min(100%, 34rem);
  margin: 0;
  padding: 1.2rem;
  border: 1px solid rgba(247, 242, 233, 0.15);
  border-radius: 1.4rem;
  background: rgba(247, 242, 233, 0.045);
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.23);
  backdrop-filter: blur(10px);
}

.hsc-hero-board::before {
  position: absolute;
  z-index: -1;
  inset: -1.2rem 1.8rem 1.8rem -1.2rem;
  border: 1px solid rgba(185, 221, 235, 0.1);
  border-radius: 1.4rem;
  content: "";
}

.hsc-hero-board figcaption {
  margin-bottom: 0.85rem;
  color: rgba(247, 242, 233, 0.43);
  font-family: var(--ai-mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-consensus-list {
  display: grid;
  gap: 0.46rem;
}

.hsc-consensus-row {
  display: grid;
  padding: 0.72rem 0.9rem;
  grid-template-columns: minmax(9rem, 1fr) minmax(4.5rem, 0.9fr) auto;
  align-items: center;
  gap: 0.72rem;
  border: 1px solid rgba(247, 242, 233, 0.13);
  border-radius: 0.78rem;
  background: rgba(247, 242, 233, 0.05);
}

.hsc-consensus-row small,
.hsc-consensus-row strong {
  display: block;
}

.hsc-consensus-row small {
  margin-bottom: 0.12rem;
  color: rgba(247, 242, 233, 0.45);
  font-family: var(--ai-mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-consensus-row strong {
  color: var(--ai-paper);
  font-size: 0.82rem;
  letter-spacing: -0.01em;
}

.hsc-consensus-row i {
  position: relative;
  display: block;
  height: 0.42rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(247, 242, 233, 0.14);
}

.hsc-consensus-row i::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--p, 50%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ai-lime-strong), var(--ai-lime));
  content: "";
}

.hsc-consensus-row b {
  color: var(--ai-lime);
  font-family: var(--ai-mono);
  font-size: 0.86rem;
  font-weight: 600;
}

.hsc-hero-chip {
  display: flex;
  margin-top: 0.85rem;
  padding: 0.7rem 0.9rem;
  flex-direction: column;
  gap: 0.16rem;
  border: 1px solid rgba(246, 207, 100, 0.36);
  border-radius: 0.78rem;
  background: rgba(246, 207, 100, 0.09);
}

.hsc-hero-chip span {
  color: rgba(247, 242, 233, 0.5);
  font-family: var(--ai-mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-hero-chip strong {
  color: var(--hsc-sun);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.hsc-board-note {
  display: flex;
  margin: 0.95rem 0 0;
  align-items: baseline;
  gap: 0.45rem;
  color: rgba(247, 242, 233, 0.62);
  font-size: 0.82rem;
  line-height: 1.5;
}

.hsc-board-note span {
  color: var(--ai-lime);
  font-family: var(--ai-mono);
}

/* ---------- Opening ---------- */

.hsc-prose {
  color: var(--ai-ink-soft);
  font-size: clamp(1.07rem, 1.42vw, 1.23rem);
  line-height: 1.78;
}

.hsc-prose--opening {
  margin-top: 3.2rem;
}

.hsc-prose p {
  margin: 0 0 1.5rem;
}

.hsc-prose p:last-child {
  margin-bottom: 0;
}

.hsc-prose a {
  color: var(--ai-ink);
  font-weight: 650;
  text-decoration-color: var(--ai-coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.22em;
}

.hsc-commitment {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.5rem, 3.5vw, 2.7rem);
  border: 1px solid var(--ai-line);
  border-left: 0.32rem solid var(--ai-coral);
  border-radius: 0.85rem;
  background: var(--ai-white);
}

.hsc-commitment h3 {
  max-width: 46rem;
  margin: 0.6rem 0 1.5rem;
  font-size: clamp(1.65rem, 3vw, 2.6rem);
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.hsc-commitment > div {
  display: grid;
  gap: 0.6rem 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.hsc-commitment > div span {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  color: var(--ai-ink-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hsc-commitment > div b {
  color: var(--ai-coral);
  font-family: var(--ai-mono);
  font-size: 0.62rem;
  font-weight: 600;
}

.hsc-thesis {
  display: grid;
  max-width: 62rem;
  margin: clamp(3.2rem, 6vw, 5rem) auto 0;
  padding: clamp(1.6rem, 3.5vw, 2.6rem);
  grid-template-columns: auto 1fr;
  gap: 0.9rem 1.6rem;
  border: 1px solid var(--ai-line);
  border-radius: 1.1rem;
  background: var(--ai-cream);
}

.hsc-thesis__index {
  grid-row: 1 / span 2;
  color: rgba(23, 35, 27, 0.18);
  font-family: var(--ai-mono);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 600;
  line-height: 1;
}

.hsc-thesis h3 {
  max-width: 40rem;
  margin: 0.35rem 0 0;
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.hsc-thesis > p {
  grid-column: 2;
  max-width: 44rem;
  margin: 0;
  color: var(--ai-ink-soft);
  line-height: 1.65;
}

/* ---------- Shared section prose ---------- */

.hsc-section-prose {
  max-width: 52rem;
  margin: clamp(2.2rem, 4.5vw, 3.4rem) 0;
  color: var(--ai-ink-soft);
  font-size: clamp(1.02rem, 1.3vw, 1.14rem);
  line-height: 1.75;
}

.hsc-section-prose p {
  margin: 0 0 1.35rem;
}

.hsc-section-prose p:last-child {
  margin-bottom: 0;
}

.hsc-section-prose--light {
  color: rgba(247, 242, 233, 0.72);
}

/* ---------- Evidence pack figure ---------- */

.hsc-pack {
  display: grid;
  margin: 0;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  grid-template-columns: 1fr auto minmax(13rem, 0.55fr);
  align-items: center;
  gap: 1.2rem;
  border: 1px solid var(--ai-line);
  border-radius: 1.1rem;
  background: var(--ai-white);
}

.hsc-pack figcaption {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ai-ink-soft);
  font-family: var(--ai-mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-pack__sources {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
}

.hsc-pack__sources article {
  padding: 0.9rem 1rem;
  border: 1px solid var(--ai-line);
  border-radius: 0.78rem;
  background: var(--ai-paper);
}

.hsc-pack__sources article.hsc-pack__source--gold {
  border-color: rgba(246, 207, 100, 0.7);
  background: rgba(246, 207, 100, 0.14);
}

.hsc-pack__sources b {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ai-ink-soft);
  font-family: var(--ai-mono);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-pack__sources strong {
  display: block;
  margin-bottom: 0.28rem;
  font-size: 0.95rem;
  letter-spacing: -0.015em;
}

.hsc-pack__sources p {
  margin: 0;
  color: var(--ai-ink-soft);
  font-size: 0.8rem;
  line-height: 1.5;
}

.hsc-pack__arrow {
  color: var(--ai-ink-soft);
  font-size: 1.4rem;
  font-style: normal;
}

.hsc-pack__output {
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(23, 35, 27, 0.4);
  border-radius: 0.85rem;
  background: var(--ai-forest);
}

.hsc-pack__output span {
  display: block;
  margin-bottom: 0.35rem;
  color: rgba(247, 242, 233, 0.5);
  font-family: var(--ai-mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-pack__output strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ai-lime);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.hsc-pack__output p {
  margin: 0;
  color: rgba(247, 242, 233, 0.66);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* ---------- Panel ---------- */

.hsc-panel-grid {
  display: grid;
  margin-top: clamp(2.2rem, 4vw, 3.2rem);
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
}

.hsc-panel-grid article {
  padding: 1rem 1.1rem;
  border: 1px solid var(--ai-line-light);
  border-radius: 0.85rem;
  background: rgba(247, 242, 233, 0.05);
}

.hsc-panel-grid small {
  display: block;
  margin-bottom: 0.32rem;
  color: rgba(247, 242, 233, 0.48);
  font-family: var(--ai-mono);
  font-size: 0.55rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-panel-grid strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ai-paper);
  font-size: 1rem;
  letter-spacing: -0.015em;
}

.hsc-panel-grid span {
  display: inline-block;
  padding: 0.18rem 0.55rem;
  border: 1px solid rgba(185, 221, 235, 0.35);
  border-radius: 999px;
  color: var(--hsc-sky);
  font-family: var(--ai-mono);
  font-size: 0.56rem;
  letter-spacing: 0.05em;
}

/* ---------- Schema evolution ---------- */

.hsc-schema-evolution {
  margin-top: clamp(2.6rem, 5vw, 4rem);
}

.hsc-schema-evolution figcaption,
.hsc-schema-evolution > figcaption {
  color: rgba(247, 242, 233, 0.45);
}

.hsc-schema-evolution > figcaption {
  margin-bottom: 0.9rem;
  font-family: var(--ai-mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-schema-evolution > div {
  display: grid;
  grid-template-columns: 1fr auto 1.3fr;
  align-items: stretch;
  gap: 1rem;
}

.hsc-schema-evolution > div > i {
  align-self: center;
  color: rgba(247, 242, 233, 0.45);
  font-size: 1.4rem;
  font-style: normal;
}

.hsc-schema-card {
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--ai-line-light);
  border-radius: 1rem;
  background: rgba(247, 242, 233, 0.05);
}

.hsc-schema-card--new {
  border-color: rgba(217, 249, 157, 0.4);
  background: rgba(217, 249, 157, 0.08);
}

.hsc-schema-card span {
  display: block;
  margin-bottom: 0.5rem;
  color: rgba(247, 242, 233, 0.5);
  font-family: var(--ai-mono);
  font-size: 0.56rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-schema-card--new span {
  color: var(--ai-lime);
}

.hsc-schema-card strong {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--ai-paper);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.hsc-schema-card p {
  margin: 0;
  color: rgba(247, 242, 233, 0.66);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ---------- Synthesis rules ---------- */

.hsc-rules {
  margin-top: clamp(2.6rem, 5vw, 4rem);
}

.hsc-rules > .ai-eyebrow {
  color: rgba(247, 242, 233, 0.5);
}

.hsc-rules__grid {
  display: grid;
  margin-top: 1rem;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.hsc-rules__grid article {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--ai-line-light);
  border-radius: 0.85rem;
  background: rgba(247, 242, 233, 0.05);
}

.hsc-rules__grid span {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--hsc-sky);
  font-family: var(--ai-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-rules__grid p {
  margin: 0;
  color: rgba(247, 242, 233, 0.7);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ---------- Corpus-echo callout ---------- */

.hsc-echo {
  display: grid;
  margin-top: clamp(2.6rem, 5vw, 4rem);
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  grid-template-columns: minmax(12rem, 0.6fr) 1.6fr;
  gap: 1.6rem;
  border: 1px solid rgba(246, 207, 100, 0.4);
  border-radius: 1.1rem;
  background: rgba(246, 207, 100, 0.07);
}

.hsc-echo__math {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
}

.hsc-echo__math span {
  padding: 0.55rem 0.8rem;
  border: 1px dashed rgba(246, 207, 100, 0.55);
  border-radius: 0.6rem;
  color: var(--hsc-sun);
  font-family: var(--ai-mono);
  font-size: 0.8rem;
  text-align: center;
}

.hsc-echo .ai-eyebrow {
  color: rgba(247, 242, 233, 0.5);
}

.hsc-echo h3 {
  margin: 0.5rem 0 0.9rem;
  color: var(--ai-paper);
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.hsc-echo > div > p:last-child {
  margin: 0;
  color: rgba(247, 242, 233, 0.72);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- Backtest ---------- */

.hsc-stat-grid {
  display: grid;
  margin: clamp(2.2rem, 4vw, 3.2rem) 0;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.hsc-stat-grid article {
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--ai-line);
  border-radius: 1rem;
  background: var(--ai-white);
}

.hsc-stat-grid strong {
  display: block;
  color: var(--ai-ink);
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.hsc-stat-grid span {
  display: block;
  margin: 0.5rem 0 0.6rem;
  color: var(--hsc-green-ink);
  font-family: var(--ai-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-stat-grid p {
  margin: 0;
  color: var(--ai-ink-soft);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ---------- Tables ---------- */

.hsc-table-block {
  margin: clamp(2.2rem, 4vw, 3.2rem) 0;
  padding: clamp(1.2rem, 2.5vw, 1.8rem);
  border: 1px solid var(--ai-line);
  border-radius: 1rem;
  background: var(--ai-white);
}

.hsc-table-block figcaption {
  display: flex;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem 1rem;
  color: var(--ai-ink-soft);
  font-family: var(--ai-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hsc-table-scroll {
  overflow-x: auto;
}

.hsc-table-block table {
  width: 100%;
  min-width: 26rem;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.hsc-table-block th,
.hsc-table-block td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--ai-line);
  text-align: left;
}

.hsc-table-block th {
  color: var(--ai-ink-soft);
  font-family: var(--ai-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-table-block td:not(:first-child) {
  font-family: var(--ai-mono);
  font-size: 0.85rem;
}

.hsc-table-block td.is-best {
  color: var(--hsc-green-ink);
  font-weight: 700;
}

.hsc-table-block tr.hsc-table-bar td {
  border-bottom: 0;
  background: var(--ai-cream);
  color: var(--ai-ink-soft);
  font-style: italic;
}

.hsc-table-block tr:last-child td {
  border-bottom: 0;
}

.hsc-table-note {
  max-width: 48rem;
  margin: 1rem 0 0;
  color: var(--ai-ink-soft);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ---------- Stories ---------- */

.hsc-stories {
  margin-top: clamp(2.6rem, 5vw, 4rem);
}

.hsc-stories__grid {
  display: grid;
  margin-top: 1rem;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
}

.hsc-story {
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--ai-line);
  border-top: 0.28rem solid var(--ai-ink-soft);
  border-radius: 0.85rem;
  background: var(--ai-white);
}

.hsc-story--hit {
  border-top-color: var(--ai-green);
}

.hsc-story--partial {
  border-top-color: var(--hsc-sun);
}

.hsc-story--miss {
  border-top-color: var(--ai-coral);
}

.hsc-story span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--ai-ink-soft);
  font-family: var(--ai-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-story h3 {
  margin: 0 0 0.6rem;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.hsc-story p {
  margin: 0;
  color: var(--ai-ink-soft);
  font-size: 0.88rem;
  line-height: 1.62;
}

/* ---------- Caveat ---------- */

.hsc-caveat {
  max-width: 52rem;
  margin: clamp(2.6rem, 5vw, 4rem) 0;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid var(--ai-line);
  border-left: 0.32rem solid var(--ai-coral);
  border-radius: 0.85rem;
  background: var(--ai-cream);
}

.hsc-caveat p:last-child {
  margin: 0.6rem 0 0;
  color: var(--ai-ink-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- Model strengths ---------- */

.hsc-strengths {
  margin-top: clamp(3.2rem, 6vw, 5rem);
  padding-top: clamp(2.4rem, 4.5vw, 3.6rem);
  border-top: 1px solid var(--ai-line);
}

.hsc-strengths header h2 {
  max-width: 34rem;
  margin: 0.9rem 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.hsc-strengths header > p:last-child {
  max-width: 40rem;
  margin: 0;
  color: var(--ai-ink-soft);
  line-height: 1.7;
}

.hsc-strengths__grid {
  display: grid;
  margin-top: clamp(1.8rem, 3.5vw, 2.6rem);
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
}

.hsc-strengths__grid article {
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--ai-line);
  border-radius: 0.85rem;
  background: var(--ai-white);
}

.hsc-strengths__grid span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--hsc-sky-deep);
  font-family: var(--ai-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hsc-strengths__grid h3 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  line-height: 1.28;
}

.hsc-strengths__grid p {
  margin: 0;
  color: var(--ai-ink-soft);
  font-size: 0.86rem;
  line-height: 1.6;
}

/* ---------- Economics & what ships ---------- */

.hsc-cost-grid {
  display: grid;
  margin-top: clamp(2.2rem, 4vw, 3.2rem);
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
}

.hsc-cost-grid article {
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--ai-line);
  border-radius: 1rem;
  background: var(--ai-white);
  text-align: left;
}

.hsc-cost-grid strong {
  display: block;
  color: var(--ai-ink);
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.hsc-cost-grid span {
  display: block;
  margin-top: 0.55rem;
  color: var(--ai-ink-soft);
  font-size: 0.85rem;
  line-height: 1.5;
}

.hsc-ship {
  margin-top: clamp(2.6rem, 5vw, 4rem);
}

.hsc-ship__grid {
  display: grid;
  margin-top: 1rem;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.hsc-ship__grid article {
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--ai-line);
  border-radius: 0.85rem;
  background: var(--ai-white);
}

.hsc-ship__grid article > span {
  display: block;
  margin-bottom: 0.6rem;
  color: rgba(23, 35, 27, 0.25);
  font-family: var(--ai-mono);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1;
}

.hsc-ship__grid h3 {
  margin: 0 0 0.55rem;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.hsc-ship__grid p {
  margin: 0;
  color: var(--ai-ink-soft);
  font-size: 0.88rem;
  line-height: 1.62;
}

.hsc-ship__grid a {
  color: var(--ai-ink);
  font-weight: 650;
  text-decoration-color: var(--ai-coral);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
}

/* ---------- Closing ---------- */

.hsc-disclosure {
  max-width: 52rem;
  margin: clamp(2.8rem, 5vw, 4.2rem) auto 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--ai-line-light);
  text-align: center;
}

.hsc-disclosure .ai-eyebrow {
  color: rgba(247, 242, 233, 0.5);
}

.hsc-disclosure p:last-child {
  margin: 0.7rem 0 0;
  color: rgba(247, 242, 233, 0.62);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* ---------- Floating share rail ---------- */

.hsc-share-rail {
  position: fixed;
  z-index: 45;
  top: 50%;
  right: 18px;
  display: none;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-50%);
}

.hsc-share-rail > span {
  margin-bottom: 4px;
  color: var(--ai-ink-soft);
  font-family: var(--ai-mono);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.hsc-share-rail a,
.hsc-share-rail button {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(23, 35, 27, 0.22);
  border-radius: 50%;
  background: var(--ai-white);
  box-shadow: 0 1px 2px rgba(23, 35, 27, 0.06), 0 7px 20px -10px rgba(23, 35, 27, 0.28);
  color: var(--ai-ink);
  cursor: pointer;
  text-decoration: none;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.hsc-share-rail a:hover,
.hsc-share-rail button:hover {
  border-color: var(--ai-ink);
  background: var(--ai-lime);
  transform: translateX(-2px);
}

.hsc-share-rail button.is-done {
  border-color: #1f7a4d;
  background: #1f7a4d;
  color: #fff;
}

.hsc-share-rail svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.hsc-share-rail svg.is-filled {
  fill: currentColor;
  stroke: none;
}

/* ---------- Responsive ---------- */

@media (min-width: 1280px) {
  .hsc-share-rail { display: flex; }
}

@media (max-width: 900px) {
  .hsc-pack {
    grid-template-columns: 1fr;
  }

  .hsc-pack__arrow {
    justify-self: center;
    transform: rotate(90deg);
  }

  .hsc-schema-evolution > div {
    grid-template-columns: 1fr;
  }

  .hsc-schema-evolution > div > i {
    justify-self: center;
    transform: rotate(90deg);
  }

  .hsc-echo {
    grid-template-columns: 1fr;
  }

  .hsc-echo__math {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hsc-thesis {
    grid-template-columns: 1fr;
  }

  .hsc-thesis__index {
    grid-row: auto;
  }

  .hsc-thesis > p {
    grid-column: 1;
  }
}