/* =========================================================
   MOON PHASE JOURNEY — UPDATED RESPONSIVE VERSION
   ========================================================= */

.moon-phase-scroll-section {
  position: relative;
  height: 400vh;
  background: var(--sky, #030516);
}

.moon-phase-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  isolation: isolate;
  background: var(--sky, #030516);
}

.moonj-sky,
.moon-phase-sky,
.moon-phase-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.moonj-sky { z-index: 1; }

.moonj-star {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #f4eee2;
  opacity: .35;
  animation: moonj-twinkle 3.4s ease-in-out infinite;
  animation-delay: var(--d);
}

@keyframes moonj-twinkle {
  0%, 100% { opacity: .18; transform: scale(1); }
  50% { opacity: .9; transform: scale(1.6); }
}

.moon-phase-sky {
  z-index: 0;
  inset: -3%;
  background:
    linear-gradient(180deg, rgba(3, 5, 22, .05), rgba(3, 5, 22, .18)),
    url("../img/starry-bg.png") center / cover no-repeat;
  transform: scale(1.045);
  transition: transform 1.2s ease, filter 1s ease;
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-phase-sky {
  transform: scale(1);
  filter: brightness(.94);
}

.moon-phase-vignette {
  z-index: 2;
  background:
    radial-gradient(circle at 73% 50%, rgba(111, 86, 177, .17), transparent 44%),
    linear-gradient(90deg, rgba(2, 4, 20, .29), rgba(2, 4, 20, .025) 55%, rgba(2, 4, 20, .14)),
    linear-gradient(180deg, rgba(2, 4, 20, .07), rgba(2, 4, 20, .21));
}

/* ---------- Shared content ---------- */

.moon-container {
  position: relative;
  width: min(calc(100% - 48px), 1440px);
  height: 100%;
  margin-inline: auto;
}

.moon-phase-panel {
  position: absolute;
  inset: 0;
  z-index: 8;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .75s ease, visibility .75s linear;
}

.moon-phase-panel.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.moon-phase-detail .moon-container {
  display: flex;
  align-items: center;
}

.moon-phase-content {
  width: min(42vw, 620px);
  color: rgba(255, 255, 255, .88);
  font-size: 1.08rem;
  line-height: 1.9;
  opacity: 0;
  transform: translateX(-44px);
  transition: opacity .7s ease .15s, transform .85s cubic-bezier(.22, 1, .36, 1) .1s;
}

.moon-phase-panel.is-active .moon-phase-content {
  opacity: 1;
  transform: translateX(0);
}

.moon-phase-content h2 {
  margin: 0 0 1.35rem;
  color: var(--gold, #d5b56f);
  font-family: var(--font-display, serif);
  font-size: clamp(2.5rem, 3.5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
}

.moon-phase-content .nour-kicker {
  color: var(--gold-soft, #e8d4a0);
  margin-bottom: 1rem;
}

/* =========================================================
   INTRO OVERVIEW: FLEX COLUMN, CENTERED
   ========================================================= */

.moon-phase-overview {
  position: absolute;
  inset: 0;
  z-index: 7;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vh, 24px);
  padding: clamp(72px, 14vh, 128px) 0 clamp(15px, 2.5vh, 30px);
  transition: opacity .55s ease, visibility .55s linear;
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-phase-overview {
  pointer-events: none;
}

.moon-phase-intro-copy {
  position: relative;
  z-index: 9;
  flex: 0 0 auto;
  width: min(calc(100% - 32px), 900px);
  text-align: center;
  transition: opacity .55s ease, transform .65s cubic-bezier(.22, 1, .36, 1);
}

.moon-phase-intro-copy h2 {
  margin: 0 0 .8rem;
  color: var(--gold, #d5b56f);
  font-family: var(--font-display, serif);
  font-size: clamp(1.7rem, min(3.5vw, 6vh), 4.2rem);
  font-weight: 400;
  line-height: 1.15;
}

.moon-phase-intro-text {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(255, 255, 255, .86);
  font-size: clamp(.85rem, min(1.2vw, 1.8vh), 1.08rem);
  line-height: 1.65;
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-phase-intro-copy {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-18px);
}

/* =========================================================
   ORBIT SCENE
   ========================================================= */

.moon-orbit-scene {
  position: relative;
  z-index: 5;
  flex: 1 1 auto;
  width: 100%;
  min-height: 0;
  perspective: 1500px;
  perspective-origin: 72% 50%;
  touch-action: pan-y;
  outline: none;
}

.moon-orbit-stage {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transform: rotateX(-2.5deg) rotateY(var(--drag-rotate, 0deg));
  transition: transform .28s ease-out;
}

.moon-orbit-scene.is-dragging .moon-orbit-stage { transition: none; }

.moon-object {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--moon-size);
  aspect-ratio: 1 / 1;
  transform-origin: center;
  transform-style: preserve-3d;
  cursor: pointer;
  outline: none;
  will-change: left, top, transform, filter, opacity;
  transition:
    left 1.5s cubic-bezier(.22, 1, .36, 1),
    top 1.5s cubic-bezier(.22, 1, .36, 1),
    transform 1.7s cubic-bezier(.37, 0, .63, 1),
    filter 1.35s ease,
    opacity 1.35s ease;
}

.moon-object img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  max-width: 100%;
  max-height: 100%;
  user-select: none;
  pointer-events: none;
}

/* Sizes use both viewport width and viewport height. */
.moon-object-crescent {
  --moon-size: clamp(230px, min(50vw, 60vh), 680px);
}

.moon-object-full,
.moon-object-half {
  --moon-size: clamp(86px, min(15vw, 18vh), 190px);
}

.moon-object-label {
  position: absolute;
  color: var(--gold-soft, #e8d4a0);
  font-family: var(--font-body, sans-serif);
  font-size: clamp(.72rem, 1.05vw, .95rem);
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .65);
  transition: opacity .45s ease;
}

.moon-object-label-full {
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
}

.moon-object-label-half {
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
}

/* ---------- Stage 0: three moons, no cropping ---------- */

.moon-phase-scroll-section[data-stage="0"] .moon-orbit-scene {
  pointer-events: auto;
}

.moon-phase-scroll-section[data-stage="0"] .moon-object {
  top: 50%;
  opacity: 1;
  filter: none;
}

.moon-phase-scroll-section[data-stage="0"] .moon-object-full {
  left: 15px;
  z-index: 3;
  transform: translate(0, -50%) scale(1);
}

.moon-phase-scroll-section[data-stage="0"] .moon-object-crescent {
  left: 50%;
  z-index: 5;
  transform: translate(-50%, -50%) scale(1);
}

.moon-phase-scroll-section[data-stage="0"] .moon-object-half {
  right: 15px;
  left: auto;
  z-index: 3;
  transform: translate(0, -50%) scale(1);
}

/* ---------- Orbit mode ---------- */

.moon-phase-scroll-section:not([data-stage="0"]) .moon-phase-overview {
  padding: 0;
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-orbit-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  flex: none;
  pointer-events: auto;
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-object {
  left: var(--orbit-center-x, 73%);
  right: auto;
  top: var(--orbit-center-y, 52%);
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-object-label {
  opacity: 0;
  visibility: hidden;
}

.moon-object[data-slot="active"] {
  z-index: 6;
  opacity: 1;
  filter: blur(0) brightness(1);
  transform: translate(-50%, -50%) translate3d(0, 0, 210px) scale(var(--active-scale, 1));
}

.moon-object[data-slot="rear-right"] {
  z-index: 3;
  opacity: .14;
  filter: blur(10px) brightness(.5);
  transform: translate(-50%, -50%) translate3d(var(--rear-x, 340px), 26px, -500px) rotateY(-34deg) scale(.34);
}

.moon-object[data-slot="rear-left"] {
  z-index: 3;
  opacity: .14;
  filter: blur(10px) brightness(.52);
  transform: translate(-50%, -50%) translate3d(calc(var(--rear-x, 340px) * -1), 10px, -470px) rotateY(33deg) scale(.36);
}

.moon-object[data-slot="rear-centre"] {
  z-index: 1;
  opacity: .1;
  filter: blur(15px) brightness(.36);
  transform: translate(-50%, -50%) translate3d(0, 42px, -720px) scale(.2);
}

/* Active orbit sizes are height-aware and retain image aspect ratio. */
.moon-phase-scroll-section:not([data-stage="0"]) .moon-object-crescent {
  --moon-size: clamp(260px, min(43vw, 68vh), 610px);
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-object-half,
.moon-phase-scroll-section:not([data-stage="0"]) .moon-object-full {
  --moon-size: clamp(240px, min(39vw, 62vh), 590px);
}

/* =========================================================
   ANIMATED ENTRY ARROW
   ========================================================= */

.moon-enter-arrow {
  position: relative;
  z-index: 10;
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 0;
  background: transparent;
  color: rgba(248, 231, 201, .78);
  font: inherit;
  font-size: .62rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity .35s ease, transform .35s ease, visibility .35s linear;
}

.moon-enter-arrow i {
  position: relative;
  display: block;
  width: 22px;
  height: 34px;
}

.moon-enter-arrow i::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 26px;
  background: rgba(248, 231, 201, .72);
  transform: translateX(-50%);
  animation: moonArrowLine 1.55s ease-in-out infinite;
}

.moon-enter-arrow i::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1px;
  width: 9px;
  height: 9px;
  border-right: 1px solid rgba(248, 231, 201, .9);
  border-bottom: 1px solid rgba(248, 231, 201, .9);
  transform: translateX(-50%) rotate(45deg);
  animation: moonArrowHead 1.55s ease-in-out infinite;
}

@keyframes moonArrowLine {
  0%, 100% { opacity: .3; transform: translate(-50%, -5px) scaleY(.7); }
  50% { opacity: 1; transform: translate(-50%, 4px) scaleY(1); }
}

@keyframes moonArrowHead {
  0%, 100% { opacity: .35; transform: translate(-50%, -4px) rotate(45deg); }
  50% { opacity: 1; transform: translate(-50%, 4px) rotate(45deg); }
}

.moon-phase-scroll-section:not([data-stage="0"]) .moon-enter-arrow {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(14px);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {
  .moon-phase-content { width: min(46vw, 535px); }

  .moon-phase-scroll-section:not([data-stage="0"]) .moon-object {
    --orbit-center-x: 76%;
    --rear-x: min(27vw, 280px);
  }
}

@media (max-width: 767.98px) {
  .moon-phase-sticky { min-height: 540px; }
  .moon-container { width: min(calc(100% - 28px), 1440px); }

  .moon-phase-overview {
    gap: 10px;
    padding: clamp(62px, 8vh, 82px) 0 clamp(15px, 2.5vh, 30px);
  }

  .moon-phase-intro-copy {
    width: min(calc(100% - 28px), 620px);
  }

  .moon-phase-intro-copy h2 {
    font-size: clamp(1.45rem, min(6.7vw, 4.6vh), 2.5rem);
  }

  .moon-phase-intro-text {
    max-width: 94%;
    font-size: clamp(.78rem, min(3.5vw, 1.8vh), .92rem);
    line-height: 1.55;
  }

  .moon-object-crescent {
    --moon-size: clamp(190px, min(58vw, 48vh), 410px);
  }

  .moon-object-full,
  .moon-object-half {
    --moon-size: clamp(62px, min(18vw, 14vh), 120px);
  }

  .moon-object-label {
    font-size: clamp(.58rem, 2.5vw, .74rem);
    letter-spacing: .04em;
  }

  .moon-object-label-full { left: calc(100% + 7px); }
  .moon-object-label-half { right: calc(100% + 7px); }

  .moon-phase-scroll-section[data-stage="0"] .moon-object-full { left: 15px; }
  .moon-phase-scroll-section[data-stage="0"] .moon-object-half { right: 15px; }

  .moon-phase-detail .moon-container {
    align-items: flex-end;
    padding-bottom: 3.4rem;
  }

  .moon-phase-content {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(248, 231, 201, .13);
    background: linear-gradient(135deg, rgba(6, 7, 28, .72), rgba(6, 7, 28, .42));
    backdrop-filter: blur(9px);
  }

  .moon-phase-content h2 {
    margin-bottom: .8rem;
    font-size: clamp(2.2rem, 10.5vw, 4rem);
  }

  .moon-phase-content > p:not(.nour-kicker) {
    margin-bottom: 1rem;
    font-size: .86rem;
    line-height: 1.55;
  }

  .moon-phase-scroll-section:not([data-stage="0"]) .moon-object {
    --orbit-center-x: 50%;
    --orbit-center-y: 31%;
    --rear-x: min(36vw, 175px);
  }

  .moon-phase-scroll-section:not([data-stage="0"]) .moon-object-crescent {
    --moon-size: clamp(220px, min(78vw, 52vh), 500px);
  }

  .moon-phase-scroll-section:not([data-stage="0"]) .moon-object-half,
  .moon-phase-scroll-section:not([data-stage="0"]) .moon-object-full {
    --moon-size: clamp(205px, min(69vw, 47vh), 450px);
  }

  .moon-object[data-slot="active"] {
    --active-scale: .9;
    transform: translate(-50%, -50%) translate3d(0, 0, 150px) scale(var(--active-scale));
  }

  .moon-object[data-slot="rear-right"] {
    transform: translate(-50%, -50%) translate3d(var(--rear-x), 16px, -390px) rotateY(-33deg) scale(.26);
  }

  .moon-object[data-slot="rear-left"] {
    transform: translate(-50%, -50%) translate3d(calc(var(--rear-x) * -1), 10px, -360px) rotateY(32deg) scale(.28);
  }

}

@media (max-height: 680px) and (min-width: 768px) {
  .moon-phase-overview {
    padding-top: 58px;
    padding-bottom: 34px;
    gap: 8px;
  }

  .moon-phase-intro-copy h2 { font-size: clamp(1.6rem, 4vh, 2.5rem); }
  .moon-phase-intro-text { font-size: .84rem; line-height: 1.45; }

  .moon-object-crescent {
    --moon-size: clamp(170px, 38vh, 300px);
  }

  .moon-object-full,
  .moon-object-half {
    --moon-size: clamp(70px, 15vh, 115px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .moonj-star,
  .moon-enter-arrow i::before,
  .moon-enter-arrow i::after {
    animation: none;
  }

  .moon-object,
  .moon-phase-panel,
  .moon-phase-content,
  .moon-phase-intro-copy,
  .moon-orbit-stage {
    transition-duration: .01ms !important;
  }
}
