/* Homepage hero: full-bleed Walawwa photo, centred title, three floating photos */

.cm-hero {
  position: relative;
  min-height: 100svh;
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0b0b0b;
}

/* index.html's inline styles pin .home_hero to 85svh with !important */
.home_hero.cm-hero {
  min-height: 100svh !important;
  padding-bottom: 0 !important;
}

.cm-hero_bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 50% 40%;
}

/* darken edges and top/bottom so the menu, title and floating photos stay legible */
.cm-hero_shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0) 22%, rgba(0, 0, 0, 0) 68%, rgba(0, 0, 0, 0.6) 100%),
    radial-gradient(ellipse at 50% 55%, rgba(0, 0, 0, 0.18) 0%, rgba(0, 0, 0, 0.5) 75%);
}

.cm-hero_inner {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.75rem;
  padding: 0 1rem;
  /* plain offset, not a transform: a transformed layer here made the title
     shimmer whenever a photo's hover fade re-composited the hero */
  top: 6vh;
}

.cm-hero_heading {
  margin: 0;
  font-size: 11.6vw;
  white-space: nowrap;
}

.cm-hero_text {
  max-width: 25rem;
  margin: 0;
  opacity: 0.85;
}

.cm-hero .link-w-circle {
  justify-content: center;
}

.cm-hero_dec {
  position: absolute;
  z-index: 2;
  height: auto;
  max-width: none;
  object-fit: cover;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  /* same hover effect as the original hero photos: grey until hovered */
  filter: grayscale(100%);
  /* slow, eased colour fade with a gentle lift; `scale` is a separate property so it
     doesn't fight the float animation's transform */
  transition:
    filter 1.1s cubic-bezier(0.22, 1, 0.36, 1),
    scale 1.1s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 1.1s cubic-bezier(0.22, 1, 0.36, 1);
  animation: cm-hero-float 7s ease-in-out infinite;
  /* keep each photo on its own stable layer so the fade doesn't repaint the title */
  will-change: filter, transform;
}

.cm-hero_dec:hover {
  filter: grayscale(0%);
  scale: 1.04;
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.45);
}

/* each photo drifts on its own rhythm so they never move in sync */
@keyframes cm-hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.cm-hero_dec.is-1 {
  animation-duration: 6.5s;
  animation-delay: 0s;
  left: 2.6%;
  top: 56%;
  width: 8%;
  aspect-ratio: 1;
  object-position: 50% 35%;
}

.cm-hero_dec.is-2 {
  animation-duration: 8s;
  animation-delay: -2.5s;
  left: 10.6%;
  top: 70%;
  width: 12.9%;
  aspect-ratio: 130 / 137;
  object-position: 50% 30%;
}

.cm-hero_dec.is-3 {
  animation-duration: 7.2s;
  animation-delay: -4.8s;
  right: 5.2%;
  top: 17.5%;
  width: 10.5%;
  aspect-ratio: 105 / 111;
  object-position: 50% 40%;
}

.cm-hero_scroll {
  position: absolute;
  z-index: 3;
  right: 4.8%;
  bottom: 6%;
}

@media screen and (max-width: 767px) {
  .cm-hero_bg {
    object-position: 58% 20%;
  }

  .cm-hero_inner {
    top: 0;
    gap: 1.25rem;
  }

  .cm-hero_heading {
    font-size: 15vw;
  }

  .cm-hero_text {
    max-width: 85%;
  }

  .cm-hero_dec,
  .cm-hero_scroll {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cm-hero_dec {
    animation: none;
    transition-duration: 0.01s;
  }
}

/* =====================================================================
   Intro (loading screen)
   1. loading: the Cintamani logo breathes in the centre, the bar fills beneath it
   2. loaded (.cm-intro-open, set by index.html): the logo splits down the middle and the
      halves glide out to the edges while growing, revealing "Cintamani / Artistry in Linen"
   3. .cm-intro-ready: "Visit Collection" appears; pressing it runs the template's exit
   ===================================================================== */
.pre-container {
  --logo: clamp(7rem, 11vw, 10.5rem);
  --intro-ease: cubic-bezier(0.77, 0, 0.18, 1);
}

.cm-intro {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.cm-intro_half {
  width: calc(var(--logo) / 2);
  height: var(--logo);
  overflow: hidden;
  transition: transform 1.9s var(--intro-ease), opacity 1.9s ease;
  will-change: transform;
}

.cm-intro_half img {
  display: block;
  width: var(--logo);
  max-width: none;
  height: var(--logo);
}

/* each half grows outward from the seam */
.cm-intro_half.is-left { transform-origin: 100% 50%; }
.cm-intro_half.is-right { transform-origin: 0% 50%; }
.cm-intro_half.is-right img { margin-left: calc(var(--logo) / -2); }

/* 1. loading: a slow breath */
.pre-container:not(.cm-intro-open) .cm-intro {
  animation: cm-intro-breathe 2.6s ease-in-out infinite;
}

@keyframes cm-intro-breathe {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

/* the load bar + percentage sit just under the logo while loading */
.pre-container .progress_bar_wrapper {
  position: absolute;
  top: calc(50% + var(--logo) / 2 + 2.2rem);
  left: 50%;
  width: min(16rem, 56vw);
  transform: translateX(-50%);
}

.pre-container .loader_progress .u-overflow-clip {
  position: absolute;
  top: calc(50% + var(--logo) / 2 + 2.9rem);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.6);
}

/* 2. loaded: the halves part to the sides, growing, and settle as faint ornaments */
.cm-intro-open .cm-intro_half.is-left {
  transform: translateX(calc(-50vw + var(--logo) * 1.3 + 2vw)) scale(2.6);
  opacity: 0.3;
}

.cm-intro-open .cm-intro_half.is-right {
  transform: translateX(calc(50vw - var(--logo) * 1.3 - 2vw)) scale(2.6);
  opacity: 0.3;
}

/* phones: less zoom, and the halves tuck slightly past the screen edges */
@media (max-width: 767px) {
  .cm-intro-open .cm-intro_half.is-left {
    transform: translateX(calc(-50vw + var(--logo) * 0.75)) scale(1.8);
    opacity: 0.35;
  }
  .cm-intro-open .cm-intro_half.is-right {
    transform: translateX(calc(50vw - var(--logo) * 0.75)) scale(1.8);
    opacity: 0.35;
  }
}

/* the title is hidden while loading, then rises in line by line as the halves part */
.pre-container .loader_text_wrap > * {
  transition: opacity 1.1s ease, transform 1.4s var(--intro-ease), filter 1.1s ease;
}

.pre-container:not(.cm-intro-open) .loader_text_wrap > * {
  opacity: 0;
  transform: translateY(1.4rem);
  filter: blur(8px);
}

.cm-intro-open .loader_text_wrap > :nth-child(1) { transition-delay: 0.55s; }
.cm-intro-open .loader_text_wrap > :nth-child(2) { transition-delay: 0.75s; }
.cm-intro-open .loader_text_wrap > :nth-child(3) { transition-delay: 0.95s; }

/* 3. the button waits for the title, then rises in */
.pre-container:not(.cm-intro-ready) [data-loader="btn-wrapper"] {
  visibility: hidden;
}

.cm-intro-ready [data-loader="btn"] {
  animation: cm-intro-btn 0.9s var(--intro-ease) both;
}

@keyframes cm-intro-btn {
  from { opacity: 0; transform: translateY(0.8rem); }
  to { opacity: 1; transform: none; }
}

/* "Visit Collection": the halves fade while the template slides its panels away */
.cm-intro-leave .cm-intro { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  .pre-container:not(.cm-intro-open) .cm-intro { animation: none; }
  .cm-intro_half,
  .pre-container .loader_text_wrap > * { transition-duration: 0.01s; transition-delay: 0s !important; }
}

/* phones: a gap between the "Expressions of Colors" photo grid and the slider below it */
@media (max-width: 767px) {
  .home_slider {
    margin-top: 4.5rem;
  }
}