.page-home{
  --home-panel: rgba(10,30,25,.95);
  --home-card: #FFFCF4;
  background: var(--ivory-050);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
}

.page-home img{
  display: block;
  max-width: 100%;
  height: auto;
}

.page-home .section{ padding-block: clamp(3rem, 6.5vw, 5.5rem); }

.page-home .eyebrow{ margin: 0 0 .9rem; }

.page-home .prose{
  max-width: 34em;
  color: var(--graphite-600);
}

/* breadcrumb */
.page-home .breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .2rem;
  margin: 0 0 clamp(1.5rem, 3vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--graphite-600);
}
.page-home .breadcrumb span + span::before{
  content: "/";
  margin-right: .55rem;
  color: var(--gold-500);
}
.page-home .breadcrumb span[aria-current="page"]{ color: var(--ink-900); }

/* ---------- hero ---------- */
.page-home .home-hero{
  position: relative;
  padding: clamp(1.5rem, 3.5vw, 2.75rem) 0 clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(201,162,39,.18), transparent 58%),
    radial-gradient(90% 70% at 0% 12%, rgba(94,140,122,.14), transparent 62%),
    var(--ivory-050);
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-home .hero-grid{
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: 1fr;
}

.page-home .hero-title{
  margin: 0 0 1.4rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 7.4vw, 4.5rem);
  line-height: 1.07;
  letter-spacing: .02em;
  color: var(--ink-900);
}
.page-home .hero-title em{
  font-style: normal;
  color: var(--green-700);
  display: inline-block;
  padding-bottom: .1em;
  border-bottom: 2px solid var(--gold-500);
}

.page-home .hero-lede{
  max-width: 30em;
  margin: 0;
  color: var(--graphite-600);
  font-size: var(--fs-17);
  line-height: 1.8;
}

.page-home .hero-points{
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: .2rem;
  max-width: 32em;
}
.page-home .hero-points li{
  display: grid;
  grid-template-columns: 2.7rem 1fr;
  gap: .55rem;
  align-items: baseline;
  padding: .85rem 0;
  border-top: 1px solid var(--line-gold-soft);
}
.page-home .point-num{
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--gold-500);
}
.page-home .point-text{
  margin: 0;
  font-size: var(--fs-15);
  color: var(--graphite-600);
}
.page-home .point-text strong{
  display: inline-block;
  margin-right: .5em;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-900);
}

.page-home .hero-figure{
  position: relative;
  margin: 2rem 0 0;
  border: 1px solid var(--line-gold-soft);
  overflow: hidden;
  background: var(--green-900);
}
.page-home .hero-figure img{
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.85) brightness(.86);
}
.page-home .hero-figure .figure-caption{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 2.6rem clamp(.9rem, 2vw, 1.4rem) .9rem;
  background: linear-gradient(180deg, rgba(10,30,25,0) 0%, rgba(10,30,25,.86) 68%);
  color: rgba(247,242,231,.92);
  font-size: var(--fs-13);
  letter-spacing: .06em;
}

/* hero panel */
.page-home .hero-panel{
  position: relative;
  background: linear-gradient(180deg, rgba(20,52,43,.97), var(--home-panel));
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  padding: clamp(1.25rem, 2.6vw, 2rem);
  color: var(--ivory-050);
  box-shadow:
    inset 0 1px 0 rgba(230,205,139,.22),
    0 18px 44px -28px rgba(10,30,25,.75);
  backdrop-filter: blur(10px);
}
.page-home .panel-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-home .panel-code{
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold-300);
}
.page-home .panel-title{
  margin: 1.15rem 0 .35rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-34);
  line-height: 1.2;
  color: var(--ivory-050);
}
.page-home .panel-lede{
  margin: 0;
  font-size: var(--fs-15);
  color: rgba(247,242,231,.72);
}
.page-home .panel-graph{
  display: block;
  width: 100%;
  height: 34px;
  margin: 1.1rem 0 .4rem;
}
.page-home .panel-steps{
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: .85rem;
}
.page-home .panel-steps li{
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: .5rem;
  padding-top: .85rem;
  border-top: 1px solid rgba(201,162,39,.24);
}
.page-home .step-num{
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--jade-500);
}
.page-home .step-title{
  margin: 0 0 .15rem;
  font-family: var(--font-display);
  font-size: var(--fs-17);
  color: var(--ivory-050);
}
.page-home .step-note{
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.65;
  color: rgba(247,242,231,.66);
}
.page-home .panel-btn{
  display: block;
  width: 100%;
  text-align: center;
}
.page-home .panel-foot{
  margin: .85rem 0 0;
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: rgba(230,205,139,.7);
}

/* ---------- index ---------- */
.page-home .home-index{
  padding-block: clamp(2.25rem, 4.5vw, 3.75rem);
  background: var(--ivory-100);
  border-bottom: 1px solid var(--line-gold-soft);
}
.page-home .index-head{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  margin-bottom: 1.5rem;
}
.page-home .index-head h2{ margin: 0; }

.page-home .home-index-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-gold-soft);
  border: 1px solid var(--line-gold-soft);
}
.page-home .home-index-list .index-item{
  background: var(--ivory-050);
  transition: background-color .24s var(--ease);
}
.page-home .home-index-list .index-item:hover{ background: #FFFDF6; }
.page-home .home-index-list .index-item > a{
  display: grid;
  grid-template-columns: 2.9rem 1fr;
  grid-template-areas:
    "num name"
    "num note";
  column-gap: .9rem;
  row-gap: .25rem;
  padding: 1.05rem clamp(.9rem, 2vw, 1.35rem);
  color: inherit;
  text-decoration: none;
}
.page-home .home-index-list .index-num{
  grid-area: num;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--gold-500);
  padding-top: .1rem;
}
.page-home .home-index-list .index-name{
  grid-area: name;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 400;
  line-height: 1.35;
  color: var(--ink-900);
}
.page-home .home-index-list .index-note{
  grid-area: note;
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--graphite-600);
}

/* ---------- shared section head ---------- */
.page-home .sec-head{
  max-width: 42rem;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}
.page-home .sec-head h2{ margin: 0 0 .9rem; }
.page-home .sec-lede{ margin: 0; }

/* ---------- changes ---------- */
.page-home .changes-grid{
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: start;
}
.page-home .changes-figure{
  margin: 0;
  border: 1px solid var(--line-gold-soft);
  background: var(--ivory-100);
  overflow: hidden;
}
.page-home .changes-figure img{
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.page-home .changes-figure .figure-caption{
  margin: 0;
  padding: .8rem 1rem 1rem;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--graphite-600);
  border-top: 1px solid var(--line-gold-soft);
}

.page-home .change-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
  counter-reset: change;
}
.page-home .change-card{
  background: var(--home-card);
  border: 1px solid var(--line-gold-soft);
  border-left: 3px solid var(--gold-500);
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
}
.page-home .change-num{
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold-500);
  margin-bottom: .5rem;
}
.page-home .change-title{
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-24);
  line-height: 1.35;
  color: var(--ink-900);
}
.page-home .change-note{
  margin: 0 0 .85rem;
  font-size: var(--fs-15);
  color: var(--graphite-600);
  max-width: 30em;
}
.page-home .change-card--dark{
  background: var(--green-700);
  border-color: rgba(201,162,39,.4);
  border-left-color: var(--gold-300);
}
.page-home .change-card--dark .change-title{ color: var(--ivory-050); }
.page-home .change-card--dark .change-note{ color: rgba(247,242,231,.76); }
.page-home .change-card--dark .change-num{ color: var(--gold-300); }

.page-home .text-link{
  display: inline-block;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-500);
  padding-bottom: .12em;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-home .text-link:hover{
  color: var(--cinnabar-600);
  border-bottom-color: var(--cinnabar-600);
}
.page-home .change-card--dark .text-link{
  color: var(--gold-300);
  border-bottom-color: rgba(201,162,39,.6);
}
.page-home .change-card--dark .text-link:hover{ color: var(--ivory-050); }

/* ---------- timeline ---------- */
.page-home .home-timeline{
  background:
    radial-gradient(100% 80% at 80% 0%, rgba(201,162,39,.14), transparent 60%),
    var(--green-900);
  color: var(--ivory-050);
}
.page-home .sec-head--dark h2{ color: var(--ivory-050); }
.page-home .sec-head--dark .eyebrow{ color: var(--gold-300); }

.page-home .tl{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}
.page-home .tl-item{
  position: relative;
  padding: 1.5rem 1rem 0 0;
  border-top: 1px solid var(--line-dark);
}
.page-home .tl-dot{
  position: absolute;
  top: -4.5px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--gold-500);
  transform: rotate(45deg);
}
.page-home .tl-mark{
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--gold-300);
  margin-bottom: .5rem;
}
.page-home .tl-title{
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-24);
  line-height: 1.35;
  color: var(--ivory-050);
}
.page-home .tl-note{
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(247,242,231,.66);
}

.page-home .tl-figure{
  position: relative;
  margin: clamp(2rem, 4vw, 3.25rem) 0 0;
  border: 1px solid var(--line-dark);
  overflow: hidden;
}
.page-home .tl-figure img{
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.8) brightness(.82);
}
.page-home .tl-figure .figure-caption{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 3rem clamp(1rem, 2.5vw, 2rem) 1rem;
  background: linear-gradient(180deg, rgba(10,30,25,0) 0%, rgba(10,30,25,.9) 70%);
  color: rgba(247,242,231,.88);
  font-size: var(--fs-13);
  letter-spacing: .06em;
}

/* ---------- scenes ---------- */
.page-home .home-scenes{ background: var(--ivory-050); }
.page-home .scene-grid{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}
.page-home .scene-card{
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  background: var(--home-card);
  border: 1px solid var(--line-gold-soft);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}
.page-home .scene-card:hover,
.page-home .scene-card:focus-within{
  border-color: var(--gold-500);
  transform: translateY(-4px);
}
.page-home .scene-num{
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--jade-500);
}
.page-home .scene-title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-24);
  line-height: 1.35;
  color: var(--ink-900);
}
.page-home .scene-note{
  margin: 0 0 .5rem;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--graphite-600);
  flex: 1 1 auto;
}

/* ---------- check ---------- */
.page-home .home-check{
  background:
    radial-gradient(90% 80% at 8% 0%, rgba(94,140,122,.24), transparent 62%),
    linear-gradient(160deg, var(--green-700), var(--green-900));
  color: var(--ivory-050);
}
.page-home .check-grid{
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: start;
}
.page-home .check-main .eyebrow{ color: var(--gold-300); }
.page-home .check-main h2{
  margin: 0 0 1.5rem;
  color: var(--ivory-050);
}
.page-home .check-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-home .check-list li{
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: .9rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line-dark);
}
.page-home .check-key{
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold-300);
  padding-top: .2rem;
}
.page-home .check-note{
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.75;
  color: rgba(247,242,231,.8);
}

.page-home .check-side{
  display: grid;
  gap: 1.1rem;
}
.page-home .check-figure{
  margin: 0;
  border: 1px solid var(--line-dark);
  overflow: hidden;
}
.page-home .check-figure img{
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.85) brightness(.9);
}
.page-home .check-figure .figure-caption{
  margin: 0;
  padding: .75rem 1rem .9rem;
  background: rgba(10,30,25,.55);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: rgba(247,242,231,.7);
}
.page-home .check-contact{
  padding: clamp(1.1rem, 2.2vw, 1.5rem);
  background: rgba(247,242,231,.06);
  border: 1px solid var(--line-gold);
  backdrop-filter: blur(8px);
}
.page-home .check-contact-title{
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  color: var(--ivory-050);
}
.page-home .check-contact-note{
  margin: 0 0 1rem;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: rgba(247,242,231,.7);
}
.page-home .check-btn{ display: inline-block; }
.page-home .check-contact-line{
  margin: .9rem 0 0;
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--gold-300);
  word-break: break-all;
}

/* reveal (progressive enhancement) */
.page-home [data-reveal].is-revealed{
  animation: homeRise .52s var(--ease) both;
}
@keyframes homeRise{
  from{ opacity: .001; transform: translateY(12px); }
  to{ opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
@media (min-width: 640px){
  .page-home .home-index-list{ grid-template-columns: repeat(2, 1fr); }
  .page-home .scene-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 760px){
  .page-home .tl{ grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
  .page-home .change-list{ gap: 1.25rem; }
  .page-home .change-card:nth-child(2){ margin-left: clamp(0rem, 5vw, 3.5rem); }
  .page-home .change-card:nth-child(3){ margin-right: clamp(0rem, 4vw, 2.5rem); }
}

@media (min-width: 900px){
  .page-home .hero-grid{ grid-template-columns: 7fr 5fr; align-items: start; }
  .page-home .hero-panel{
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }
  .page-home .changes-grid{ grid-template-columns: 4fr 7fr; }
  .page-home .check-grid{ grid-template-columns: 7fr 5fr; }
}

@media (min-width: 1024px){
  .page-home .home-index-list{ grid-template-columns: repeat(3, 1fr); }
  .page-home .scene-grid{ grid-template-columns: repeat(4, 1fr); }
  .page-home .scene-card:nth-child(2){ margin-top: 2rem; }
  .page-home .scene-card:nth-child(4){ margin-top: 1.2rem; }
  .page-home .tl{ grid-template-columns: repeat(5, 1fr); gap: 0; }
  .page-home .tl-item{ padding-right: 1.25rem; }
  .page-home .tl-item:last-child{ padding-right: 0; }
}

@media (prefers-reduced-motion: reduce){
  .page-home [data-reveal].is-revealed{ animation: none; }
  .page-home .scene-card{ transition: none; }
  .page-home .scene-card:hover,
  .page-home .scene-card:focus-within{ transform: none; }
}
<<<END>>>