.page-home {
  --home-radius: 2px;
  --home-line: 2px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

/* ---------- Hero ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 48px;
  background:
    radial-gradient(circle at 88% 8%, rgba(56, 242, 208, 0.14), transparent 55%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  border-bottom: 3px solid var(--line);
}

.page-home .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.65) contrast(1.1);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(30, 58, 82, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 82, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 92%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 92%);
}

.page-home .hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 32px;
}

.page-home .hero-kicker {
  margin: 0 0 14px;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.page-home .hero-main h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 8vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 800;
  color: var(--paper);
  text-wrap: balance;
}

.page-home .hero-lead {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-home .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line-soft);
  border: var(--home-line);
}

.page-home .hero-fact {
  padding: 12px 14px;
  background: rgba(4, 16, 28, 0.82);
}

.page-home .hero-fact dt {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted-dim);
  margin-bottom: 4px;
}

.page-home .hero-fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--paper);
}

/* ---------- Chapter index ---------- */
.page-home .chapter-index {
  align-self: start;
  border: var(--home-line);
  background: rgba(4, 16, 28, 0.86);
  box-shadow: var(--shadow-hard);
  padding: 16px 16px 8px;
}

.page-home .chapter-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dim);
}

.page-home .chapter-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .chapter-item + .chapter-item {
  border-top: 1px solid var(--line-soft);
}

.page-home .chapter-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num note";
  column-gap: 12px;
  align-items: baseline;
  padding: 13px 4px;
  text-decoration: none;
  color: inherit;
  transition: background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-home .chapter-num {
  grid-area: num;
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-home .chapter-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--paper);
}

.page-home .chapter-note {
  grid-area: note;
  font-size: 0.82rem;
  color: var(--muted-dim);
  line-height: 1.5;
}

.page-home .chapter-link:hover,
.page-home .chapter-link:focus-visible {
  background: var(--ink-panel);
  transform: translateX(3px);
  outline: none;
}

.page-home .chapter-link:focus-visible {
  box-shadow: inset 0 0 0 2px var(--cyan);
}

/* ---------- Section shell ---------- */
.page-home .home-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .section-head {
  margin-bottom: 28px;
  max-width: 62ch;
}

.page-home .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .section-head h2,
.page-home .small-copy h2,
.page-home .trust-copy h2,
.page-home .cta-inner h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
  text-wrap: balance;
}

.page-home .section-lead {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- Version ---------- */
.page-home .version-layout {
  display: grid;
  gap: 28px;
}

.page-home .version-switch {
  position: relative;
  border: var(--home-line);
  background: var(--ink-deep);
  box-shadow: var(--shadow-hard);
}

.page-home .ver-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .ver-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: var(--home-line);
  background: var(--ink-panel);
}

.page-home .ver-tab {
  flex: 1 1 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 12px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--muted-dim);
  cursor: pointer;
  border-right: 1px solid var(--line-soft);
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-home .ver-tab:last-child {
  border-right: 0;
}

.page-home #ver-2026:checked ~ .ver-tabs .ver-tab[for="ver-2026"],
.page-home #ver-2025:checked ~ .ver-tabs .ver-tab[for="ver-2025"] {
  color: var(--ink-deep);
  background: var(--cyan);
}

.page-home #ver-2026:focus-visible ~ .ver-tabs .ver-tab[for="ver-2026"],
.page-home #ver-2025:focus-visible ~ .ver-tabs .ver-tab[for="ver-2025"] {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
}

.page-home .ver-tab .pill {
  font-size: 0.66rem;
}

.page-home .ver-panel {
  display: none;
  padding: 18px 16px 22px;
}

.page-home #ver-2026:checked ~ .ver-panel--26,
.page-home #ver-2025:checked ~ .ver-panel--25 {
  display: block;
}

.page-home .ver-summary {
  margin: 0 0 8px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-home .diff-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .diff-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .diff-val {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .ver-cta {
  margin-top: 18px;
}

.page-home .version-figure {
  margin: 0;
}

.page-home .version-figure .media__caption,
.page-home .intel-figure .media__caption,
.page-home .trust-figure .media__caption {
  margin-top: 10px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted-dim);
}

/* ---------- Intel ---------- */
.page-home .home-intel {
  background: linear-gradient(180deg, var(--ink-deep), var(--ink));
}

.page-home .section-head--split {
  display: grid;
  gap: 18px;
  max-width: none;
  align-items: end;
}

.page-home .intel-grid {
  display: grid;
  gap: 20px;
}

.page-home .intel-card {
  border: var(--home-line);
  background: var(--ink-panel);
  padding: 18px 16px;
  box-shadow: var(--shadow-hard);
}

.page-home .intel-card--accent {
  border-color: var(--cyan);
  background:
    linear-gradient(160deg, rgba(56, 242, 208, 0.1), transparent 62%),
    var(--ink-panel);
}

.page-home .intel-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-home .intel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .intel-card__meta {
  margin: 8px 0 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--muted-dim);
}

.page-home .intel-card__meta .mono {
  color: var(--cyan);
  font-size: 0.95rem;
}

.page-home .intel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .intel-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 14px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .intel-item-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .intel-item-note {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.5;
}

.page-home .intel-figure {
  margin: 0;
}

/* ---------- Small screen ---------- */
.page-home .small-layout {
  display: grid;
  gap: 28px;
}

.page-home .step-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-left: 2px solid var(--line);
}

.page-home .step-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 0 0 22px 18px;
}

.page-home .step-item:last-child {
  padding-bottom: 0;
}

.page-home .step-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.page-home .step-num {
  font-size: 0.8rem;
  color: var(--orange);
  padding-top: 3px;
}

.page-home .step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .step-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .small-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .small-aside {
  align-self: start;
  border: var(--home-line);
  background: var(--ink-deep);
  padding: 18px 16px;
  box-shadow: var(--shadow-hard);
}

.page-home .aside-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-home .aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .aside-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-home .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-home .aside-list .mono {
  color: var(--paper);
  font-size: 0.98rem;
}

.page-home .aside-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--muted-dim);
}

/* ---------- Trust ---------- */
.page-home .home-trust {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-home .trust-layout {
  display: grid;
  gap: 28px;
  margin-bottom: 34px;
}

.page-home .trust-copy p {
  margin: 0 0 14px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .trust-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-home .trust-figure {
  margin: 0;
}

.page-home .timeline {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line-soft);
  border: var(--home-line);
}

.page-home .tl-item {
  padding: 14px 15px;
  background: var(--ink-panel);
}

.page-home .tl-year {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--cyan);
}

.page-home .tl-item p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- CTA band ---------- */
.page-home .home-cta {
  padding: 40px 0 56px;
  background: var(--ink-deep);
}

.page-home .cta-inner {
  display: grid;
  gap: 20px;
  border: var(--home-line);
  border-left: 8px solid var(--orange);
  background: var(--ink-panel);
  padding: 22px 18px;
}

.page-home .cta-inner p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Responsive ---------- */
@media (min-width: 620px) {
  .page-home .home-hero {
    padding: 56px 0 64px;
  }

  .page-home .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .section-head--split {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-home .diff-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
  }

  .page-home .diff-key {
    padding-top: 2px;
  }

  .page-home .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 24px;
  }
}

@media (min-width: 900px) {
  .page-home .home-hero {
    padding: 72px 0 80px;
  }

  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-home .chapter-index {
    position: sticky;
    top: 96px;
  }

  .page-home .home-section {
    padding: 72px 0;
  }

  .page-home .version-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    gap: 40px;
    align-items: start;
  }

  .page-home .intel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-home .intel-figure {
    grid-column: 1 / -1;
  }

  .page-home .small-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 44px;
    align-items: start;
  }

  .page-home .small-aside {
    position: sticky;
    top: 104px;
  }

  .page-home .trust-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 44px;
    align-items: center;
    margin-bottom: 48px;
  }

  .page-home .timeline {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-home .home-cta {
    padding: 56px 0 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chapter-link,
  .page-home .ver-tab {
    transition: none;
  }

  .page-home .chapter-link:hover,
  .page-home .chapter-link:focus-visible {
    transform: none;
  }
}