/* South Ocean Living, cinematic home: the pinned "Pearl" scene and its chapters.
   Without WebGL (or with reduced motion) the chapters simply stack over a gradient. */
.cine { position: relative; background: radial-gradient(120% 80% at 60% 30%, #2B6A6E 0%, #12303A 50%, #0B1D22 100%); color: var(--salt); }
.cine-stage { position: relative; }
.cine-canvas, .cine-veil, .cine-fade, .cine-rail, .cine-cue, .cine-coords { display: none; }
.chapter { position: relative; max-width: var(--max); margin: 0 auto; padding: 120px var(--gutter) 80px; display: grid; gap: 22px; }
.chapter--intro { padding-top: 170px; }

.cine h1 { font-size: clamp(56px, 10.5vw, 168px); line-height: .92; letter-spacing: -0.035em; }
.chapter-title { font-size: clamp(44px, 7vw, 112px); line-height: .95; letter-spacing: -0.03em; }
.chapter-title em, .cine h1 em { color: var(--brass-2); }
.chapter-n { font: 500 12px/1 var(--f-body); letter-spacing: .3em; text-transform: uppercase; color: var(--brass-2); display: flex; align-items: center; gap: 14px; }
.chapter-n::after { content: ""; width: 56px; height: 1px; background: currentColor; opacity: .6; }
.chapter-copy { max-width: 440px; font-size: 18px; font-weight: 300; color: rgba(234,242,239,.86); }

/* Pinned scene */
.cine-on .cine { height: 760vh; background: var(--ink); }
.cine-on .cine-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.cine-on .cine-canvas { display: block; position: absolute; inset: 0; width: 100%; height: 100%; }
.cine-on .cine-veil { display: block; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(8,22,27,.62) 0%, rgba(8,22,27,0) 46%, rgba(8,22,27,0) 54%, rgba(8,22,27,.55) 100%), linear-gradient(180deg, rgba(8,22,27,.35) 0%, rgba(8,22,27,0) 22%, rgba(8,22,27,0) 70%, rgba(8,22,27,.5) 100%); }
.cine-on .cine-fade { display: block; position: absolute; inset: 0; background: var(--ink-2); opacity: 0; pointer-events: none; }
.cine-on .chapter { position: absolute; inset: 0; margin: 0; max-width: none; padding: 0 max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  align-content: center; pointer-events: none; visibility: hidden; transition: visibility 0s 1s; }
.cine-on .chapter.is-on { pointer-events: auto; visibility: visible; transition: none; }
.cine-on .chapter > * { max-width: 620px; }
.cine-on .chapter { text-shadow: 0 2px 28px rgba(8,22,27,.45), 0 1px 3px rgba(8,22,27,.25); }
.cine-on .chapter-n { color: var(--brass-2); filter: brightness(1.12); }
.cine-on .chapter--right { justify-items: end; text-align: right; }
.cine-on .chapter--right .chapter-n { flex-direction: row-reverse; }
.cine-on .chapter--right .chapter-copy { margin-left: auto; }
.cine-on .chapter--center { justify-items: center; text-align: center; align-content: end; padding-bottom: 9vh; background: linear-gradient(0deg, rgba(8,22,27,.55), rgba(8,22,27,0) 45%); }
.cine-on .chapter--center .chapter-n::after { display: none; }
.cine-on .chapter--center > * { max-width: 760px; }

/* Letter-by-letter title reveal */
.cine-on [data-split] .w { display: inline-block; white-space: nowrap; }
.cine-on [data-split] .l { display: inline-block; opacity: 0; transform: translateY(.42em) rotate(4deg); filter: blur(6px);
  transition: opacity .9s var(--ease), transform 1.1s var(--ease), filter .9s var(--ease); transition-delay: calc(var(--i) * 28ms); }
.cine-on .chapter.is-on [data-split] .l { opacity: 1; transform: none; filter: none; }
.cine-on .chapter .fade-up { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform 1s var(--ease); }
.cine-on .chapter.is-on .fade-up { opacity: 1; transform: none; transition-delay: .35s; }
.cine-on .chapter.is-on .fade-up + .fade-up { transition-delay: .5s; }
.cine-on .chapter:not(.is-on) [data-split] .l { transition-delay: 0s; transition-duration: .45s; }

/* Progress rail, scroll cue, coordinates */
.cine-on .cine-rail { display: block; position: absolute; right: max(22px, env(safe-area-inset-right, 0px)); top: 50%; height: 160px; width: 1px;
  transform: translateY(-50%); background: rgba(234,242,239,.18); }
.cine-on .cine-rail i { position: absolute; inset: 0; background: var(--brass-2); transform-origin: top; transform: scaleY(0); }
.cine-on .cine-cue { display: flex; position: absolute; left: 50%; bottom: 30px; transform: translateX(-50%); flex-direction: column; align-items: center; gap: 12px;
  font: 500 11px/1 var(--f-body); letter-spacing: .3em; text-transform: uppercase; color: rgba(234,242,239,.7); pointer-events: none; }
.cine-on .cine-cue::after { content: ""; width: 1px; height: 46px; background: linear-gradient(var(--brass-2), transparent); animation: cue 2.2s var(--ease) infinite; transform-origin: top; }
@keyframes cue { 0% { transform: scaleY(0); opacity: 1; } 60% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }
.cine-on .cine-coords { display: block; position: absolute; left: max(22px, env(safe-area-inset-left, 0px)); bottom: 30px; font: 400 11px/1 var(--f-body);
  letter-spacing: .24em; text-transform: uppercase; color: rgba(234,242,239,.5); }

/* Opening curtain: only shown while the scene loads (removed by script) */
.curtain { display: none; }
.cine-on .curtain { display: grid; place-items: center; position: fixed; inset: 0; z-index: 80; background: var(--ink); transition: opacity 1.4s var(--ease), visibility 0s 1.4s; }
.cine-on .curtain.is-up { opacity: 0; visibility: hidden; }
.curtain p { font: 400 clamp(26px, 4vw, 40px)/1 var(--f-display); color: var(--salt); letter-spacing: .02em; animation: curtain-in 1.2s var(--ease) both; }
.curtain em { color: var(--brass-2); }
@keyframes curtain-in { from { opacity: 0; letter-spacing: .14em; } to { opacity: 1; letter-spacing: .02em; } }

@media (max-width: 760px) {
  .cine-on .cine { height: 640vh; }
  .cine-on .cine-veil { background: linear-gradient(180deg, rgba(8,22,27,.3) 0%, rgba(8,22,27,0) 25%, rgba(8,22,27,.15) 50%, rgba(8,22,27,.82) 100%); }
  .cine-on .chapter, .cine-on .chapter--right { align-content: end; justify-items: start; text-align: left; padding-bottom: 110px; }
  .cine-on .chapter--right .chapter-n { flex-direction: row; }
  .cine-on .chapter--right .chapter-copy { margin-left: 0; }
  .cine-on .chapter--center { padding-bottom: 110px; }
  .cine-on .cine-coords, .cine-on .cine-cue { display: none; }
  .cine-on .cine-rail { height: 110px; top: 40%; }
  .chapter-copy { font-size: 16px; }
}
.cine-on .chapter .btn { text-shadow: none; }
@media (max-width: 760px) { .cine-on .chapter--intro { padding-bottom: 56px; } }
/* Illustration label for the generated walk-through */
.cine-note { display: none; }
.cine-on .cine-note { display: block; position: absolute; right: max(22px, env(safe-area-inset-right, 0px)); bottom: 30px; margin: 0;
  font: 400 10px/1 var(--f-body); letter-spacing: .2em; text-transform: uppercase; color: rgba(234,242,239,.55); }
@media (max-width: 760px) { .cine-on .cine-note { bottom: 18px; } }