/* Jiuhe Ruixin — case pages ("Night"). Always dark: the work is the only light.
   A glass loupe sits over the key visual and the detail image (loupe.js). */
:root[data-night], :root[data-night][data-theme] {
  --bg: #0b0b0c; --fg: #ecebe7; --rule: rgba(236, 235, 231, .14); --mute: rgba(236, 235, 231, .6);
  --ph-bg: #151517; --ph-dot: rgba(236, 235, 231, .14); --ph-mark: rgba(236, 235, 231, .36); --ph-num: rgba(236, 235, 231, .05);
  --sk: rgba(236, 235, 231, .1); --head-bg: rgba(11, 11, 12, .72);
  --accent: #ee5a42; --accent-soft: rgba(238, 90, 66, .4);
  color-scheme: dark;
}

.head--night { color: var(--fg); }
.head--night.is-scrolled { background: var(--head-bg); }

.case .mono { color: var(--mute); }

/* Hero: full screen, loupe over the key visual */
.c-hero { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; }
.c-hero__stage { position: absolute; inset: 0; }
.c-hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(11, 11, 12, .55) 0%, rgba(11, 11, 12, 0) 22%, rgba(11, 11, 12, 0) 50%, rgba(11, 11, 12, .88) 100%); }
.c-hero__copy { position: absolute; z-index: 2; left: var(--m); right: 40%; bottom: clamp(28px, 5vh, 56px); pointer-events: none; }
.c-hero__status { margin: 0 0 10px; }
.c-title { margin: 0; font-size: clamp(64px, 10vw, 184px); line-height: .88; font-weight: 300; letter-spacing: -.04em; font-variation-settings: "opsz" 72; animation: up 1.3s var(--ease) both .15s; }
:root:lang(zh) .c-title { letter-spacing: .02em; line-height: 1.05; }
.c-claim { margin: 18px 0 0; max-width: 22em; font-size: clamp(20px, 2vw, 30px); line-height: 1.25; font-weight: 300; }
.sk--claim { font-size: clamp(20px, 2vw, 30px); max-width: 22em; margin-top: 24px; gap: .75em; }
.sk--claim i { height: .3em; }
.c-hero__meta { position: absolute; z-index: 2; right: var(--m); bottom: clamp(28px, 5vh, 56px); margin: 0; display: grid; gap: 10px; text-align: right; }
.c-hero__meta dt { color: var(--mute); }
.c-hero__meta dd { margin: 2px 0 0; color: var(--fg); }
@keyframes up { from { opacity: 0; transform: translateY(24px); } }

/* Loupe stages: a halftone field in CSS until the canvas takes over */
[data-loupe] { background: var(--ph-bg); overflow: hidden; cursor: none; touch-action: pan-y; }
[data-loupe]::before {
  content: ""; position: absolute; inset: -45%;
  background-image: radial-gradient(circle, var(--ph-dot) 0 1.2px, transparent 1.75px); background-size: 9px 9px; transform: rotate(45deg);
  -webkit-mask-image: radial-gradient(closest-side, #000, transparent); mask-image: radial-gradient(closest-side, #000, transparent);
}
[data-loupe] canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
[data-loupe].is-ready::before { display: none; }
[data-loupe].no-gl { cursor: auto; }

/* Intro: summary and facts */
.c-intro { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gut); padding: clamp(80px, 10vw, 150px) var(--m) 0; align-items: start; }
.c-lede, .sk--lede { grid-column: 1 / span 8; margin: 0; font-size: clamp(28px, 3vw, 48px); line-height: 1.15; font-weight: 300; letter-spacing: -.015em; }
.sk--lede { gap: .78em; }
.sk--lede i { height: .32em; }
.c-facts { grid-column: 10 / span 3; margin: 0; display: grid; gap: 16px; }
.c-facts dd { margin: 4px 0 0; font-size: 17px; }

/* Blocks */
.c-full, .c-pair, .c-film, .c-detail { margin: clamp(48px, 7vw, 110px) var(--m) 0; }
.c-full img { width: 100%; height: auto; }
.c-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gut); }
.c-pair img { width: 100%; height: auto; }
.c-text { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gut); margin: clamp(56px, 8vw, 120px) var(--m) 0; }
.c-text h2 { grid-column: 1 / span 3; margin: 0; font-weight: 400; }
.c-text p, .c-text .sk { grid-column: 5 / span 6; margin: 0; font-size: 19px; line-height: 1.6; }
:root:lang(zh) .c-text p { line-height: 1.9; }
.sk--para { gap: 1.05em; }
.sk--para i { height: .42em; }
.c-film { position: relative; }
.c-film video { width: 100%; height: auto; }
.c-film__play { position: absolute; left: 50%; top: 50%; width: 76px; height: 76px; margin: -38px 0 0 -38px; border-radius: 50%; border: 1px solid var(--ph-mark); }
.c-film__play::after { content: ""; position: absolute; left: 31px; top: 25px; border-left: 18px solid var(--ph-mark); border-top: 13px solid transparent; border-bottom: 13px solid transparent; }
.c-detail h2 { margin: 0 0 18px; font-weight: 400; }
.c-detail__stage { position: relative; aspect-ratio: 3 / 2; }
.c-credits { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gut); margin: clamp(56px, 8vw, 120px) var(--m) 0; padding-top: 16px; border-top: 1px solid var(--rule); }
.c-credits h2 { grid-column: 1 / span 3; margin: 0; font-weight: 400; }
.c-credits dl { grid-column: 5 / span 8; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px var(--gut); }
.c-credits dd { margin: 4px 0 0; font-size: 17px; }

/* Next */
.c-next { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin: clamp(96px, 12vw, 180px) var(--m) 0; padding: 22px 0 clamp(48px, 6vw, 80px); border-top: 1px solid var(--rule); }
.c-next__link { display: flex; flex-direction: column; gap: 10px; }
.c-next__t { font-size: clamp(48px, 7.4vw, 128px); line-height: .95; font-weight: 300; letter-spacing: -.035em; transition: transform .6s var(--ease); }
.c-next__t span { display: inline-block; color: var(--accent); transition: transform .6s var(--ease); }
.c-next__link:hover .c-next__t span { transform: translateX(14px); }
.c-next__all:hover { color: var(--fg); }

.foot--night { border-top-color: var(--rule); }

@media (max-width: 860px) {
  .c-hero__copy { right: var(--m); bottom: 110px; }
  .c-hero__meta { left: var(--m); right: auto; bottom: 28px; text-align: left; grid-auto-flow: column; gap: 28px; }
  .c-title { font-size: 19vw; }
  .c-intro, .c-text, .c-credits { grid-template-columns: 1fr; row-gap: 18px; }
  .c-lede, .sk--lede, .c-facts, .c-text h2, .c-text p, .c-text .sk, .c-credits h2, .c-credits dl { grid-column: 1 / -1; }
  .c-facts { grid-template-columns: 1fr 1fr; margin-top: 28px; }
  .c-pair { grid-template-columns: 1fr; }
  .c-next { flex-direction: column; align-items: flex-start; }
}