/* ============================================================
   AION NYN — Il Viaggio
   Cielo → Fonte → Luce → Discesa → Grotta
   I token --lit e --rock vivono nel design system (base.css).
   ============================================================ */

/* ============================================================
   1 — ETERNO PRESENTE (il cielo)
   ============================================================ */
.sky {
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + var(--s-5)) 0 var(--s-6);
  background:
    radial-gradient(ellipse 120% 80% at 50% -10%, rgba(24, 42, 74, 0.55), transparent 60%),
    radial-gradient(ellipse 90% 60% at 50% 108%, rgba(120, 96, 58, 0.16), transparent 62%),
    linear-gradient(180deg, #050813 0%, var(--night) 34%, #070a12 72%, var(--ink) 100%);
}

.sky__stars {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

/* Slow drifting nebula — transform + opacity only */
.sky__veil {
  position: absolute;
  z-index: -1;
  inset: -20%;
  pointer-events: none;
  background:
    radial-gradient(circle at 28% 30%, rgba(46, 74, 120, 0.3), transparent 42%),
    radial-gradient(circle at 74% 58%, rgba(28, 52, 92, 0.24), transparent 46%);
  filter: blur(38px);
  animation: drift 68s var(--ease-soft) infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(-2%, 1%, 0) scale(1); }
  to   { transform: translate3d(3%, -2%, 0) scale(1.08); }
}

/* The horizon where sky meets the water below */
.sky__horizon {
  position: absolute;
  z-index: -1;
  inset-inline: 0;
  bottom: 0;
  height: 24vh;
  pointer-events: none;
  background: linear-gradient(to top, rgba(11, 18, 32, 0.9), transparent);
}

.sky__content {
  position: relative;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: var(--s-3);
}

.sky__eyebrow {
  animation: fadeUp var(--d-4) var(--ease) both 300ms;
}

.sky__title {
  position: relative;
  animation: fadeUp var(--d-4) var(--ease) both 550ms;
}
.sky__title::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 140%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  z-index: -1;
  background: radial-gradient(circle, rgba(179, 148, 92, 0.11), transparent 62%);
  animation: breathe 11s var(--ease-soft) infinite alternate;
  pointer-events: none;
}
@keyframes breathe {
  from { opacity: 0.55; transform: translate(-50%, -50%) scale(0.94); }
  to   { opacity: 1;    transform: translate(-50%, -50%) scale(1.06); }
}

.sky__subtitle {
  font-family: var(--serif);
  font-size: clamp(0.95rem, 1.7vw, 1.35rem);
  font-weight: 300;
  letter-spacing: 0.44em;
  text-transform: uppercase;
  color: #a9a094;
  margin-inline-end: -0.44em;
  animation: fadeUp var(--d-4) var(--ease) both 850ms;
}

.sky__hairline {
  width: 1px;
  height: clamp(3rem, 9vh, 6rem);
  background: linear-gradient(to bottom, var(--gold-veil), transparent);
  margin-top: var(--s-2);
  animation: fadeUp var(--d-4) var(--ease) both 1100ms;
}

.sky__meaning {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  max-width: 54rem;
  margin-top: var(--s-2);
  text-align: start;
  animation: fadeUp var(--d-4) var(--ease) both 1350ms;
}
.sky__meaning > .sky__rule {
  width: 1px;
  height: 100%;
  min-height: 3.5rem;
  background: linear-gradient(to bottom, transparent, var(--line-soft), transparent);
}
.sky__meaning dt {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 0.55rem;
}
.sky__meaning dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ivory-dim);
}
.sky__meaning > div:last-of-type { text-align: end; }
.sky__meaning > div:last-of-type dt { margin-inline-start: auto; }
.sky__cue {
  margin-top: var(--s-4);
  display: inline-grid;
  justify-items: center;
  gap: 0.9rem;
  font-size: var(--t-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--muted);
  animation: fadeUp var(--d-4) var(--ease) both 1700ms;
}
.sky__cue i {
  width: 1px;
  height: 3.2rem;
  background: linear-gradient(to bottom, var(--gold), transparent);
  transform-origin: top;
  animation: cue 3.4s var(--ease-soft) infinite;
}
@keyframes cue {
  0%   { transform: scaleY(0); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translate3d(0, 22px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

/* ============================================================
   2 — LA FONTE (l'acqua)
   ============================================================ */
.source {
  padding: var(--s-8) 0 var(--s-7);
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 45% at 50% 12%, rgba(127, 154, 163, 0.13), transparent 68%),
    linear-gradient(180deg, var(--ink) 0%, #0a1017 40%, #0b0d10 100%);
}

.source__spring {
  position: absolute;
  z-index: -1;
  top: 8%;
  left: 50%;
  width: min(46rem, 92vw);
  aspect-ratio: 1;
  transform: translateX(-50%);
  pointer-events: none;
  background: radial-gradient(circle, rgba(150, 180, 190, 0.14), rgba(90, 120, 130, 0.05) 34%, transparent 66%);
  filter: blur(10px);
  animation: breathe 15s var(--ease-soft) infinite alternate;
}

/* Water surface: layered bands drifting sideways, never a "game" ripple */
.source__water {
  position: absolute;
  z-index: -1;
  inset-inline: -10%;
  bottom: 0;
  height: min(38vh, 26rem);
  pointer-events: none;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, transparent, #000 42%, #000 80%, transparent);
}
.source__water i {
  position: absolute;
  inset-inline: -20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(178, 200, 206, 0.5), transparent);
  opacity: 0.28;
  filter: blur(1.2px);
  animation: swell var(--swell, 26s) var(--ease-soft) infinite alternate;
}
.source__water i:nth-child(1) { bottom: 12%; --swell: 23s; opacity: 0.3; }
.source__water i:nth-child(2) { bottom: 27%; --swell: 31s; animation-delay: -6s; opacity: 0.2; }
.source__water i:nth-child(3) { bottom: 41%; --swell: 38s; animation-delay: -14s; opacity: 0.14; height: 1px; }
.source__water i:nth-child(4) { bottom: 56%; --swell: 44s; animation-delay: -22s; opacity: 0.1; height: 1px; }
.source__water i:nth-child(5) { bottom: 68%; --swell: 52s; animation-delay: -30s; opacity: 0.07; height: 1px; }
@keyframes swell {
  from { transform: translate3d(-4%, 0, 0) scaleX(1); }
  to   { transform: translate3d(4%, 0, 0) scaleX(1.07); }
}

.source__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.source__place {
  margin-top: var(--s-3);
  font-size: var(--t-label);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}
.source__words {
  margin-top: var(--s-5);
  font-size: var(--t-label);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.85;
}

/* ============================================================
   3 — DALLA FONTE ALLA LUCE
   ============================================================ */
.toward {
  padding: var(--s-7) 0 var(--s-8);
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0b0d10, #0d0e0f 45%, #090909 100%);
}
.toward__shaft {
  position: absolute;
  z-index: -1;
  top: -6%;
  left: 50%;
  width: min(30rem, 70vw);
  height: 78%;
  transform: translateX(-50%);
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(216, 189, 134, 0.16), rgba(216, 189, 134, 0.05) 40%, transparent 76%);
  clip-path: polygon(46% 0, 54% 0, 100% 100%, 0 100%);
  filter: blur(16px);
}

.toward__lines {
  display: grid;
  gap: clamp(2.2rem, 6vh, 4.5rem);
  max-width: 44rem;
  margin-inline: auto;
  margin-top: var(--s-5);
}
.toward__lines p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-verse);
  line-height: 1.25;
  color: #c9c1b1;
}
/* each line a shade brighter than the last: light growing */
.toward__lines p:nth-child(1) { color: #8d887e; }
.toward__lines p:nth-child(2) { color: #a49d90; }
.toward__lines p:nth-child(3) { color: #cdc2ab; }
.toward__lines p:nth-child(4) { color: var(--gold-lit); }

.toward__close {
  margin-top: var(--s-6);
  font-size: var(--t-label);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 32rem;
  margin-inline: auto;
  line-height: 2.2;
}

/* ============================================================
   4 — LA DISCESA NELLA GROTTA (scroll-driven)
   ============================================================ */
.descent {
  height: 320vh;
  --p: 0;
  /* 0 = f/16, 1 = f/1.8: quanto è stretta la zona a fuoco */
  --dof: 0;
}
.descent__stage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: #060606;
}

/* the sky, closing */
.descent__sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #0b1220, #0a0c11 60%, #070707);
  opacity: calc(1 - var(--p) * 1.35);
  transform: translate3d(0, calc(var(--p) * -18vh), 0);
}

/* the opening above, shrinking as we sink */
.descent__mouth {
  position: absolute;
  top: -14vh;
  left: 50%;
  width: min(52rem, 90vw);
  height: 44vh;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(190, 205, 225, 0.5), rgba(120, 140, 170, 0.1) 45%, transparent 70%);
  filter: blur(26px);
  transform: translate3d(-50%, calc(var(--p) * -16vh), 0) scale(calc(1 - var(--p) * 0.72));
  opacity: calc(1 - var(--p) * 0.55);
}

/* rock walls closing in from both sides.
   Scendendo, la roccia si avvicina ma riceve meno luce: l'ambiente si spegne. */
.descent__wall {
  position: absolute;
  top: -10%;
  height: 120%;
  width: 62%;
  background-image: var(--rock), linear-gradient(90deg, #16130f, #0a0908);
  background-size: 320px 320px, cover;
  background-blend-mode: overlay, normal;
  opacity: calc(0.25 + var(--p) * 0.75);
  filter: contrast(1.15) brightness(calc(0.46 - var(--p) * 0.2));
}
.descent__wall--l {
  left: 0;
  transform: translate3d(calc(-58% + var(--p) * 34%), 0, 0) skewX(-3deg);
  mask-image: linear-gradient(90deg, #000 55%, transparent);
}
.descent__wall--r {
  right: 0;
  transform: translate3d(calc(58% - var(--p) * 34%), 0, 0) skewX(3deg);
  mask-image: linear-gradient(270deg, #000 55%, transparent);
}

/* the beam that keeps falling from above */
.descent__beam {
  position: absolute;
  top: -5%;
  left: 50%;
  width: min(26rem, 62vw);
  height: 115%;
  transform: translate3d(-50%, 0, 0) scaleX(calc(1 - var(--p) * 0.55));
  background: linear-gradient(to bottom, rgba(216, 189, 134, 0.2), rgba(216, 189, 134, 0.06) 46%, transparent 82%);
  clip-path: polygon(44% 0, 56% 0, 96% 100%, 4% 100%);
  filter: blur(18px);
  opacity: calc(0.25 + var(--p) * 0.75);
}

/* traces of water on the stone */
.descent__drips {
  position: absolute;
  inset: 0;
  opacity: calc(var(--p) * 0.8);
  background:
    linear-gradient(180deg, transparent 20%, rgba(150, 180, 190, 0.11) 46%, transparent 62%) 18% 0 / 2px 60vh no-repeat,
    linear-gradient(180deg, transparent 34%, rgba(150, 180, 190, 0.09) 58%, transparent 74%) 78% 0 / 1px 70vh no-repeat,
    linear-gradient(180deg, transparent 10%, rgba(150, 180, 190, 0.07) 40%, transparent 58%) 88% 0 / 1px 50vh no-repeat;
  filter: blur(0.4px);
}

/* profondità di campo: la zona a fuoco si stringe sull'opera,
   la periferia si ammorbidisce appena e si spegne */
.descent__dof {
  position: absolute;
  inset: 0;
  pointer-events: none;
  --focus: calc(72% - var(--dof) * 46%);
  background: radial-gradient(circle at 50% 46%,
    rgba(4, 4, 5, 0) calc(var(--focus) * 0.68),
    rgba(4, 4, 5, calc(0.14 + var(--p) * 0.24)) var(--focus),
    rgba(2, 2, 3, calc(0.4 + var(--p) * 0.48)) 118%);
  transition: background var(--d-2) var(--ease-soft);
}
.descent__dof::before {
  content: "";
  position: absolute;
  inset: 0;
  -webkit-backdrop-filter: blur(calc(0.3px + var(--dof) * 1.8px));
  backdrop-filter: blur(calc(0.3px + var(--dof) * 1.8px));
  -webkit-mask-image: radial-gradient(circle at 50% 46%, transparent var(--focus), #000 calc(var(--focus) + 26%));
  mask-image: radial-gradient(circle at 50% 46%, transparent var(--focus), #000 calc(var(--focus) + 26%));
  transition: -webkit-backdrop-filter var(--d-2) var(--ease-soft),
              backdrop-filter var(--d-2) var(--ease-soft);
}

.descent__content {
  position: relative;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: var(--s-3);
  padding-inline: var(--gutter);
}
.descent__lines {
  position: relative;
  height: clamp(4.5rem, 12vh, 7rem);
  width: min(40rem, 88vw);
}
.descent__lines p {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-verse);
  line-height: 1.25;
  color: #cdc4b3;
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
.descent__lines p.is-on { opacity: 1; transform: translate3d(0, 0, 0); }

/* Lettura ottica: 50 mm e diaframma, discreti come una didascalia */
.descent__optics {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  font-size: var(--t-label);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.descent__sep { opacity: 0.45; }
.descent__stop {
  color: var(--gold);
  opacity: calc(0.5 + var(--p) * 0.5);
  transition: opacity var(--d-2) var(--ease-soft);
}

/* Al punto di massima concentrazione: 50 mm · f/1.8 */
.descent__focus {
  margin-top: calc(var(--s-3) * -0.4);
  font-size: var(--t-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--gold-lit);
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition: opacity var(--d-2) var(--ease), transform var(--d-2) var(--ease);
}
.descent.is-focused .descent__focus { opacity: 1; transform: translate3d(0, 0, 0); }
.descent__track {
  width: 1px;
  height: clamp(4rem, 14vh, 9rem);
  background: var(--line-soft);
  position: relative;
  overflow: hidden;
}
.descent__track::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--gold), transparent);
  transform: scaleY(var(--p));
  transform-origin: top;
}

/* ============================================================
   5 — LA GROTTA DELLE OPERE
   ============================================================ */
.grotto {
  padding: var(--s-7) 0 var(--s-8);
  background: #040404;
  overflow: hidden;
}
.grotto::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: var(--rock);
  background-size: 420px 420px;
  opacity: 0.32;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.grotto::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 40vh;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(216, 189, 134, 0.06), transparent);
  pointer-events: none;
}

.grotto__head {
  max-width: 46rem;
  margin-bottom: var(--s-6);
}
.grotto__head .lead { margin-top: var(--s-3); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--line-soft);
}
.filters button {
  padding: 0.75em 1.25em;
  border: 1px solid transparent;
  font-size: var(--t-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--d-1) var(--ease), border-color var(--d-1) var(--ease);
}
.filters button:hover { color: var(--ivory); }
.filters button[aria-pressed="true"] {
  color: var(--gold-lit);
  border-color: var(--line);
}

/* Asymmetric hanging: works are not a tidy row of cards */
.works {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(3rem, 7vw, 6rem) clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.work { --lit: 0.08; position: relative; }
.work:nth-child(4n+1) { grid-column: 1 / span 6; }
.work:nth-child(4n+2) { grid-column: 8 / span 5; margin-top: 16vh; }
.work:nth-child(4n+3) { grid-column: 2 / span 5; margin-top: 6vh; }
.work:nth-child(4n+4) { grid-column: 8 / span 5; margin-top: -4vh; }

.work.is-lit { --lit: 1; }
.work:hover, .work:focus-within { --lit: 1.28; }
.work,
.work__beam,
.work__pool,
.work__frame img {
  transition: --lit var(--d-3) var(--ease), opacity var(--d-3) var(--ease),
              filter var(--d-3) var(--ease), transform var(--d-3) var(--ease);
}

/* the shaft of light reaching the work from above */
.work__beam {
  position: absolute;
  left: 50%;
  top: clamp(-22rem, -30vh, -12rem);
  width: 150%;
  height: clamp(12rem, 30vh, 22rem);
  transform: translateX(-50%);
  pointer-events: none;
  background: linear-gradient(to bottom,
    rgba(226, 202, 152, calc(0.02 + var(--lit) * 0.13)),
    rgba(214, 186, 132, calc(0.01 + var(--lit) * 0.05)) 52%,
    transparent 88%);
  clip-path: polygon(46.5% 0, 53.5% 0, 88% 100%, 12% 100%);
  filter: blur(14px);
}

/* the pool of light the work stands in */
.work__pool {
  position: absolute;
  inset-inline: -12%;
  bottom: -8%;
  height: 42%;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 0%,
    rgba(216, 189, 134, calc(var(--lit) * 0.11)), transparent 62%);
  filter: blur(12px);
}

.work__frame {
  position: relative;
  overflow: hidden;
  background: #070707;
  box-shadow:
    0 clamp(1.5rem, 4vw, 3.5rem) clamp(3rem, 8vw, 6rem) rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(236, 228, 213, calc(0.03 + var(--lit) * 0.05)) inset;
}
.work__frame img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #0a0a0a;
  filter: brightness(calc(0.28 + var(--lit) * 0.72)) contrast(calc(0.95 + var(--lit) * 0.12)) saturate(calc(0.7 + var(--lit) * 0.3));
  transform: scale(calc(1 + var(--lit) * 0.012));
}
.work:nth-child(4n+2) .work__frame img,
.work:nth-child(4n+4) .work__frame img { aspect-ratio: 1 / 1; }

/* a faint warm gradient where the beam lands on the surface */
.work__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to bottom,
    rgba(226, 202, 152, calc(var(--lit) * 0.07)), transparent 45%);
}

.work__meta {
  margin-top: var(--s-3);
  display: grid;
  gap: 0.5rem;
  opacity: calc(0.3 + var(--lit) * 0.7);
}
.work__meta h3 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-h3);
  line-height: 1.15;
}
.work__meta h3 em { font-style: italic; color: var(--gold-lit); }
.work__line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  justify-content: space-between;
  font-size: var(--t-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.work__cta {
  margin-top: 0.4rem;
  font-size: var(--t-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--gold);
  opacity: calc(var(--lit) * 0.9);
}

.grotto__empty,
.grotto__loading {
  grid-column: 1 / -1;
  padding: var(--s-6) 0;
  text-align: center;
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--muted);
}

/* ============================================================
   COLLEZIONI
   ============================================================ */
.collections {
  padding: var(--s-7) 0;
  background: linear-gradient(180deg, #040404, #0a0a0b 60%, #0c0b09);
}
.collections__list {
  margin-top: var(--s-5);
  border-top: 1px solid var(--line-soft);
}
.collections__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: clamp(1rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 3.5vw, 2.6rem) 0;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--d-2) var(--ease);
}
.collections__item:hover { background: rgba(179, 148, 92, 0.035); }
.collections__item > .num {
  font-family: var(--serif);
  font-size: 0.9rem;
  color: var(--gold);
  opacity: 0.6;
}
.collections__item h3 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-h2);
  line-height: 1.1;
}
.collections__item p {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 38rem;
}
.collections__item .count {
  font-size: var(--t-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* ============================================================
   IL TEMPIO
   ============================================================ */
.temple {
  padding: var(--s-7) 0 var(--s-6);
  overflow: hidden;
  background: linear-gradient(180deg, #0c0b09, #0a0b0f);
}
.temple__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.temple__title { margin-top: var(--s-2); }

.temple__equation {
  margin-top: var(--s-6);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: clamp(0.9rem, 2.2vh, 1.6rem);
}
.temple__equation p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-verse);
  line-height: 1.25;
  color: #b7b0a2;
}
.temple__equation .temple__close {
  margin-top: var(--s-2);
  color: var(--gold-lit);
  max-width: 40rem;
}

/* ============================================================
   GLI ARTISTI
   ============================================================ */
.artists {
  padding: var(--s-7) 0;
  background: linear-gradient(180deg, #0a0b0f, #0b0c11);
}
.artists__head {
  max-width: 46rem;
  margin-bottom: var(--s-6);
}
.artists__head .lead { margin-top: var(--s-3); }

.artists__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

/* Ogni artista riceve la propria luce, come un'opera nella Grotta */
.artist-card { --lit: 0.12; position: relative; }
.artist-card.is-revealed { --lit: 0.7; }
.artist-card:hover,
.artist-card:focus-within { --lit: 1.15; }
.artist-card,
.artist-card__beam,
.artist-card__plate,
.artist-card__plate img {
  transition: --lit var(--d-3) var(--ease), opacity var(--d-3) var(--ease),
              filter var(--d-3) var(--ease), transform var(--d-3) var(--ease),
              border-color var(--d-2) var(--ease);
}
.artist-card > a { display: block; }

.artist-card__beam {
  position: absolute;
  left: 50%;
  top: clamp(-14rem, -20vh, -8rem);
  width: 130%;
  height: clamp(9rem, 22vh, 16rem);
  transform: translateX(-50%);
  pointer-events: none;
  background: linear-gradient(to bottom,
    rgba(226, 202, 152, calc(0.015 + var(--lit) * 0.1)),
    transparent 84%);
  clip-path: polygon(46.5% 0, 53.5% 0, 86% 100%, 14% 100%);
  filter: blur(14px);
}

.artist-card__plate {
  position: relative;
  overflow: hidden;
  aspect-ratio: 5 / 4;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(216, 189, 134, calc(0.05 + var(--lit) * 0.12)), transparent 70%),
    linear-gradient(160deg, #121114, #08080a);
  box-shadow:
    0 clamp(1rem, 3vw, 2.5rem) clamp(2rem, 6vw, 4.5rem) rgba(0, 0, 0, 0.75),
    0 0 0 1px rgba(236, 228, 213, calc(0.03 + var(--lit) * 0.05)) inset;
}
.artist-card__plate::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--rock);
  background-size: 320px;
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
}
.artist-card__plate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(calc(0.34 + var(--lit) * 0.66)) saturate(calc(0.7 + var(--lit) * 0.3));
  transform: scale(calc(1 + var(--lit) * 0.012));
}
.artist-card__monogram {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.8rem, 5.4vw, 4.2rem);
  letter-spacing: 0.22em;
  margin-inline-end: -0.22em;
  color: rgba(216, 189, 134, calc(0.2 + var(--lit) * 0.5));
}

.artist-card__body {
  margin-top: var(--s-3);
  display: grid;
  gap: 0.55rem;
  opacity: calc(0.42 + var(--lit) * 0.58);
}
.artist-card__num {
  font-family: var(--serif);
  font-size: 0.9rem;
  color: var(--gold);
  opacity: 0.55;
}
.artist-card__body h3 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-h2);
  line-height: 1.05;
}
.artist-card__role {
  font-size: var(--t-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--gold);
}
.artist-card__place {
  font-size: var(--t-label);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.artist-card__lead {
  margin-top: 0.4rem;
  max-width: 30rem;
  color: var(--ivory-dim);
  line-height: 1.75;
}
.artist-card__words {
  font-size: var(--t-label);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.artist-card__foot {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--t-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
}
.artist-card__cta { color: var(--gold); opacity: calc(var(--lit) * 0.95); }
.artist-card__count { color: var(--muted); letter-spacing: 0.2em; }

/* ============================================================
   DUE TERRITORI — UNA VISIONE
   ============================================================ */
.territories {
  padding: var(--s-7) 0;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0b0c11, #0a0a0d);
}
.territories__glow {
  position: absolute;
  z-index: -1;
  inset-inline: -10%;
  top: 18%;
  height: 60%;
  pointer-events: none;
  background:
    radial-gradient(ellipse 26% 60% at 22% 50%, rgba(127, 154, 163, 0.1), transparent 70%),
    radial-gradient(ellipse 26% 60% at 78% 50%, rgba(216, 189, 134, 0.08), transparent 70%);
  filter: blur(18px);
}
.territories__lines {
  display: grid;
  gap: clamp(1.4rem, 3.6vh, 2.6rem);
  max-width: 46rem;
  margin-inline: auto;
  margin-top: var(--s-5);
}
.territories__lines p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-verse);
  line-height: 1.28;
}
/* dal mare alla montagna: l'acqua che si scalda verso la luce */
.territories__lines p:nth-child(1) { color: #8fa2a8; }
.territories__lines p:nth-child(2) { color: #a8a99f; }
.territories__lines p:nth-child(3) { color: #c4b79c; }
.territories__lines p:nth-child(4) { color: var(--gold-lit); }

.territories__close {
  margin-top: var(--s-6);
  font-size: var(--t-label);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 34rem;
  margin-inline: auto;
  line-height: 2.2;
}

/* ============================================================
   L'ATELIER — LA GROTTA
   ============================================================ */
.atelier {
  padding: var(--s-7) 0;
  overflow: hidden;
  background: linear-gradient(180deg, #0a0a0d, #0e0d0a);
}
.atelier::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -20%;
  inset-inline-start: -12%;
  width: 38rem;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(179, 148, 92, 0.08), transparent 62%);
  filter: blur(22px);
  pointer-events: none;
}
.atelier__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.atelier__now {
  margin-top: var(--s-3);
  font-family: var(--serif);
  font-weight: 300;
  font-style: italic;
  font-size: var(--t-verse);
  color: var(--gold-lit);
}
.atelier__words {
  margin-top: var(--s-5);
  font-size: var(--t-label);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.85;
  line-height: 2.4;
}

/* ============================================================
   ACQUA · CICLO · LUCE
   ============================================================ */
.cycle {
  padding: var(--s-7) 0;
  overflow: hidden;
  background: linear-gradient(180deg, #0e0d0a, #100e0b);
}
.cycle__flow {
  position: absolute;
  z-index: -1;
  inset-inline: -10%;
  top: 0;
  height: 100%;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 72%, transparent);
}
.cycle__flow i {
  position: absolute;
  inset-inline: -20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(178, 200, 206, 0.4), transparent);
  opacity: 0.16;
  filter: blur(1.2px);
  animation: swell var(--swell, 34s) var(--ease-soft) infinite alternate;
}
.cycle__flow i:nth-child(1) { top: 26%; --swell: 29s; }
.cycle__flow i:nth-child(2) { top: 48%; --swell: 37s; animation-delay: -9s; opacity: 0.11; }
.cycle__flow i:nth-child(3) { top: 71%; --swell: 45s; animation-delay: -18s; opacity: 0.08; }

.cycle__title {
  margin-top: var(--s-2);
  max-width: 26ch;
}
.cycle__lines {
  display: grid;
  gap: clamp(1rem, 2.6vh, 1.8rem);
  max-width: 44rem;
  margin-top: var(--s-5);
}
.cycle__lines p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-verse);
  line-height: 1.45;
  color: #b6b2a8;
}
.cycle__lines p:last-child { color: var(--gold-lit); }

.cycle__prose {
  margin-top: var(--s-4);
  max-width: var(--measure);
  color: var(--ivory-dim);
  line-height: 1.8;
}

.cycle__credo {
  margin-top: var(--s-6);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem clamp(1.5rem, 4vw, 3rem);
  font-size: var(--t-label);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
}
.cycle__credo li:last-child { color: var(--gold); }

.cycle__close {
  margin-top: var(--s-4);
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-verse);
  color: var(--gold-lit);
}

/* Àncora di compatibilità: /#artista continua a funzionare */
.anchor-alias {
  display: block;
  height: 0;
  overflow: hidden;
}

/* ============================================================
   ARTISTA / COMMISSIONI / CONTATTI
   ============================================================ */
.artist {
  padding: var(--s-7) 0;
  background: linear-gradient(180deg, #0c0b09, #100e0b);
}
.artist__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.artist__name {
  font-family: var(--serif);
  font-weight: 300;
  font-size: var(--t-h1);
  line-height: 0.98;
  margin-top: var(--s-2);
}
.artist__role {
  margin-top: var(--s-3);
  font-size: var(--t-label);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.commissions {
  padding: var(--s-7) 0;
  background: linear-gradient(180deg, #100e0b, #0a0a0c);
  overflow: hidden;
}
.commissions::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -30%;
  inset-inline-end: -10%;
  width: 40rem;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(179, 148, 92, 0.09), transparent 62%);
  filter: blur(20px);
  pointer-events: none;
}
.commissions__grid,
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2.5rem, 7vw, 6.5rem);
  align-items: start;
}
.commissions__note {
  margin-top: var(--s-4);
  padding-inline-start: var(--s-3);
  border-inline-start: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1.7;
  color: #bdb5a6;
}

.contact {
  padding: var(--s-7) 0;
  background: #0a0a0c;
}
.contact__block { margin-top: var(--s-4); }
.contact__block dt {
  font-size: var(--t-label);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.contact__block dd {
  margin: 0 0 var(--s-3);
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ivory);
}
.contact__block a:hover { color: var(--gold-lit); }

/* ============================================================
   RESPONSIVE — the descent must work on a phone
   ============================================================ */
@media (max-width: 900px) {
  .sky { padding-top: calc(var(--nav-h) + var(--s-4)); }
  .sky__meaning {
    grid-template-columns: 1fr;
    gap: var(--s-3);
    text-align: start;
    max-width: 30rem;
  }
  .sky__meaning > .sky__rule { display: none; }
  .sky__meaning > div:last-of-type { text-align: start; }
  .sky__meaning > div:last-of-type dt { margin-inline-start: 0; }

  .source { padding: var(--s-6) 0 var(--s-6); }
  .source__grid,
  .temple__grid,
  .atelier__grid,
  .artist__grid,
  .commissions__grid,
  .contact__grid { grid-template-columns: 1fr; gap: var(--s-4); }

  .temple, .artists, .territories, .atelier, .cycle { padding: var(--s-6) 0; }
  .artists__list { grid-template-columns: 1fr; gap: clamp(3.5rem, 12vh, 6rem); }
  /* niente hover sul touch: l'artista resta illuminato una volta rivelato */
  .artist-card.is-revealed { --lit: 1.05; }
  .artist-card__beam { display: none; }
  .cycle__credo { gap: 0.7rem 1.5rem; }

  .toward { padding: var(--s-6) 0 var(--s-7); }

  .descent { height: 260vh; }
  .descent__wall { width: 78%; }
  .descent__wall--l { transform: translate3d(calc(-62% + var(--p) * 30%), 0, 0) skewX(-3deg); }
  .descent__wall--r { transform: translate3d(calc(62% - var(--p) * 30%), 0, 0) skewX(3deg); }
  /* su schermo stretto la zona a fuoco resta più ampia, e la colonna respira */
  .descent__dof { --focus: calc(84% - var(--dof) * 44%); }
  /* sul telefono restano buio e vignettatura: niente sfocatura da ricalcolare */
  .descent__dof::before { display: none; }
  .descent__track { height: clamp(3rem, 9vh, 5.5rem); }

  .grotto { padding: var(--s-6) 0 var(--s-7); }
  .works { grid-template-columns: 1fr; gap: clamp(4rem, 14vh, 7rem); }
  .work:nth-child(4n+1),
  .work:nth-child(4n+2),
  .work:nth-child(4n+3),
  .work:nth-child(4n+4) { grid-column: 1 / -1; margin-top: 0; }
  .work:nth-child(4n+2) .work__frame img,
  .work:nth-child(4n+4) .work__frame img { aspect-ratio: 4 / 5; }
  /* on touch there is no hover: works stay lit once revealed */
  .work.is-lit { --lit: 1.1; }

  .collections__item { grid-template-columns: auto minmax(0, 1fr); }
  .collections__item .count { grid-column: 2; }
}

@media (hover: none) {
  .work:hover { --lit: 1.1; }
  .artist-card:hover { --lit: 1.05; }
}