:root {
  --ice: #dcebea;
  --white: #f4f7f2;
  --mist: rgba(244, 247, 242, .68);
  --deep: #071c20;
  --abyss: #020809;
  --oxygen: #ff5c54;
  --line: rgba(238, 245, 242, .22);
  --pad: clamp(1.25rem, 4vw, 4.75rem);
  --header: 4.75rem;
  --chapter-statement-size: clamp(3.2rem, 5.2vw, 6.3rem);
  --ease: cubic-bezier(.22, .68, 0, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--abyss); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background: var(--abyss);
  font-family: Inter, Arial, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body.is-gated { overflow: hidden; }
button, a { color: inherit; }
button { font: inherit; }
a { text-decoration: none; }
img, video { display: block; width: 100%; }
::selection { background: var(--oxygen); color: #fff; }

.skip-link {
  position: fixed; left: 1rem; top: 1rem; z-index: 1000;
  transform: translateY(-160%); padding: .65rem 1rem; background: #fff; color: #000;
}
.skip-link:focus { transform: none; }
.eyebrow { margin: 0; font-size: .68rem; letter-spacing: .26em; line-height: 1.5; text-transform: uppercase; }

.entry-gate {
  position: fixed; inset: 0; z-index: 500; display: grid; place-items: center;
  background: rgba(226, 239, 238, .18); transition: opacity .8s var(--ease), visibility .8s;
}
.entry-gate::before { content: ""; position: absolute; inset: 0; background: url("assets/images/hero.webp") center/cover; }
.entry-gate__veil { position: absolute; inset: 0; backdrop-filter: blur(24px); background: rgba(2, 18, 20, .42); }
.entry-gate.is-closed { opacity: 0; visibility: hidden; pointer-events: none; }
.entry-gate__content { position: relative; width: min(42rem, calc(100% - 2.5rem)); padding: 2.5rem 0; text-align: center; }
.entry-gate__count { width: 2.15rem; height: 2.15rem; display: grid; place-items: center; margin: 3rem auto 1.75rem; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; font-size: .52rem; letter-spacing: .08em; }
.entry-gate h1 { margin: 0; font-weight: 450; font-size: clamp(2.15rem, 6vw, 4.8rem); letter-spacing: .08em; }
.entry-gate__content > p:not(.eyebrow):not(.entry-gate__count) { margin: 1.2rem 0 0; color: rgba(255,255,255,.68); font-size: .85rem; }
.entry-gate__actions { display: flex; gap: 1rem; justify-content: center; margin-top: 3.2rem; }
.text-button { min-width: 12.5rem; border: 1px solid rgba(255,255,255,.42); background: transparent; padding: .95rem 1.2rem; cursor: pointer; transition: background .35s, color .35s; }
.text-button span, .text-button small { display: block; }
.text-button span { font-size: .85rem; letter-spacing: .08em; }
.text-button small { margin-top: .3rem; opacity: .55; font-size: .55rem; letter-spacing: .17em; }
.text-button--primary, .text-button:hover, .text-button:focus-visible { background: var(--white); color: var(--deep); }

.site-header {
  position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: var(--header);
  display: flex; align-items: center; justify-content: space-between; padding: 0 var(--pad);
  color: #fff; text-shadow: 0 1px 1rem rgba(2,8,9,.32); pointer-events: none;
}
.site-header a, .site-header button { pointer-events: auto; }
.wordmark { font-size: .7rem; font-weight: 700; letter-spacing: .2em; }
.wordmark span { margin-left: .7rem; font-weight: 400; letter-spacing: .12em; }
.sound-control { display: flex; align-items: center; gap: .7rem; border: 0; background: transparent; padding: .65rem 0; font-size: .58rem; letter-spacing: .16em; cursor: pointer; }
.sound-control__dot { width: .45rem; height: .45rem; border-radius: 50%; background: var(--oxygen); box-shadow: 0 0 0 .35rem rgba(255,92,84,.15); }
.sound-control[aria-pressed="true"] .sound-control__dot { animation: breathe 2.8s ease-in-out infinite; }

.depth-rail { position: fixed; right: 1.1rem; top: 50%; z-index: 90; display: flex; gap: .65rem; align-items: center; transform: translateY(-50%); mix-blend-mode: difference; }
.depth-rail__track { position: relative; width: 1px; height: 7rem; background: rgba(255,255,255,.28); }
.depth-rail__track i { position: absolute; left: -.2rem; top: 0; width: .42rem; height: .42rem; border-radius: 50%; background: var(--oxygen); transform: translateY(-50%); }
.depth-rail__value { writing-mode: vertical-rl; font-size: .5rem; letter-spacing: .12em; }
.depth-rail__value b { font-weight: 500; }

.hero { position: relative; min-height: 100svh; overflow: hidden; background: #b7cecc; color: white; }
.hero__image { position: absolute; inset: -5%; background: url("assets/images/hero.webp") right center / auto 145% no-repeat; transform: scale(1.04); will-change: transform; }
.hero__video { height: 100%; object-fit: cover; object-position: center; pointer-events: none; }
.hero__wash { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,24,24,.22), transparent 52%), linear-gradient(0deg, rgba(169,194,194,.34), transparent 34%); }
.hero__content { position: relative; z-index: 2; min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between; padding: calc(var(--header) + 2.5rem) var(--pad) 2.2rem; }
.hero__eyebrow { padding-top: 1rem; }
.hero__title-block { width: min(68rem, 76vw); margin-top: auto; margin-bottom: auto; }
.hero__cn-title { margin: 0 0 .7rem; font-size: clamp(2.8rem, 8vw, 8.7rem); font-weight: 300; letter-spacing: .22em; line-height: .95; white-space: nowrap; }
.hero h2 { margin: 0; font-size: clamp(2rem, 6.4vw, 7.1rem); font-weight: 300; line-height: .76; letter-spacing: .26em; }
.hero__subtitle { display: flex; align-items: center; gap: 1.3rem; margin: 2.1rem 0 0; font-size: .72rem; letter-spacing: .24em; }
.hero__subtitle span { font-size: 1rem; letter-spacing: .28em; }
.hero__series { margin: .85rem 0 0; color: rgba(255,255,255,.5); font-size: .55rem; line-height: 1.7; letter-spacing: .23em; }
.hero__actions { display: flex; justify-content: space-between; align-items: flex-end; }
.line-link { display: inline-flex; gap: 3rem; align-items: center; border-bottom: 1px solid currentColor; padding: 0 0 .55rem; font-size: .72rem; letter-spacing: .2em; }
.scroll-cue { display: flex; gap: .8rem; align-items: center; font-size: .58rem; letter-spacing: .17em; }
.scroll-cue i { position: relative; width: 1px; height: 2.4rem; background: rgba(255,255,255,.45); overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: #fff; transform: translateY(-100%); animation: descend 2.3s ease-in-out infinite; }
.hero__edition { position: absolute; z-index: 3; top: 50%; right: var(--pad); transform: rotate(90deg) translateX(50%); transform-origin: right center; margin: 0; font-size: .52rem; letter-spacing: .2em; }

.descent { position: relative; height: 260vh; background: linear-gradient(#566f79 0%, #536f79 12%, #4f7074 24%, #496d6d 30%, #426765 34%, #315c5a 40%, #0b3335 68%, #051719 100%); }
.descent__sticky { position: sticky; top: 0; height: 100svh; display: grid; align-items: center; padding: var(--pad); overflow: hidden; }
.descent__sticky::before { content: ""; position: absolute; inset: 0; opacity: .32; background-image: radial-gradient(circle at 35% 15%, rgba(255,255,255,.55) 0 1px, transparent 2px), radial-gradient(circle at 62% 35%, rgba(255,255,255,.35) 0 1px, transparent 2px); background-size: 13rem 17rem, 19rem 23rem; animation: drift 18s linear infinite; }
.descent__light { position: absolute; left: 12%; top: -20%; width: 43vw; height: 115vh; background: linear-gradient(180deg, rgba(218,234,237,.5), rgba(210,232,232,.18) 45%, rgba(210,232,232,0)); filter: blur(48px) brightness(.88); clip-path: polygon(42% 0, 68% 0, 100% 100%, 0 100%); opacity: clamp(.16, calc(.82 - var(--descent-light, .5)), .34); }
.descent__copy { position: relative; width: min(44rem, 78vw); margin-left: 12vw; }
.descent__copy h2 { margin: 1.2rem 0 1.5rem; font-size: clamp(2.7rem, 7.5vw, 7.5rem); font-weight: 350; line-height: 1.1; letter-spacing: -.035em; }
.descent__copy > p:last-child { width: min(30rem, 100%); margin: 0 0 0 auto; color: rgba(255,255,255,.68); font-size: .92rem; line-height: 2; }
.descent__measure { position: absolute; right: calc(var(--pad) + 3rem); top: 20%; bottom: 15%; display: flex; flex-direction: column; justify-content: space-between; font-size: .5rem; letter-spacing: .12em; color: rgba(255,255,255,.45); }

.act { position: relative; min-height: 135svh; display: flex; align-items: center; overflow: hidden; isolation: isolate; }
.act__media, .act__shade { position: absolute; inset: 0; }
.act__media img { height: 100%; object-fit: cover; transform: scale(1.06); transition: transform 2s var(--ease); }
.act.is-visible .act__media img { transform: scale(1); }
.act__shade { background: linear-gradient(90deg, rgba(1,7,8,.82), rgba(2,9,10,.16) 62%), linear-gradient(0deg, #031012 0%, transparent 32%, transparent 72%, #06191b 100%); }
.act--suspend .act__shade { background: linear-gradient(90deg, rgba(1,6,8,.9), rgba(1,7,9,.28)), linear-gradient(0deg, #020809, transparent 45%, #061719); }
.act--return .act__shade { background: linear-gradient(90deg, rgba(3,16,18,.76), transparent 68%), linear-gradient(0deg, #061a1c, transparent 45%, #051718); }
.act__copy { position: relative; z-index: 3; width: min(42rem, 70vw); margin-left: clamp(2rem, 12vw, 11rem); }
.act__copy h2 { margin: 1.3rem 0 1.8rem; font-size: clamp(4rem, 12vw, 12rem); font-weight: 300; line-height: .74; letter-spacing: -.04em; }
.act__copy h2 span { display: block; margin: 0 0 .65rem; font-size: .24em; font-weight: 400; letter-spacing: .45em; }
.act__copy > p:last-child { max-width: 30rem; color: rgba(255,255,255,.72); font-size: .98rem; line-height: 2; }
.act__number { position: absolute; z-index: 2; right: 3vw; top: 49%; transform: translateY(-50%); color: rgba(255,255,255,.12); font-size: clamp(16rem, 37vw, 38rem); font-weight: 200; line-height: 1; letter-spacing: -.11em; }
.act__caption { position: absolute; z-index: 3; bottom: 2rem; right: var(--pad); margin: 0; font-size: .55rem; letter-spacing: .2em; color: rgba(255,255,255,.55); }
.net-lines { position: absolute; inset: -20%; z-index: 2; transform: rotate(-8deg); opacity: .32; }
.net-lines i { position: absolute; inset: 0; border: 1px solid rgba(217,241,234,.58); border-radius: 46%; }
.net-lines i:nth-child(2) { transform: translate(12%, 15%) scale(.78); }
.net-lines i:nth-child(3) { transform: translate(-18%, 10%) scale(.64); }
.net-lines i:nth-child(4) { transform: translate(20%, -14%) scale(.48); }

.film { position: relative; background: #020809; padding: 9rem var(--pad) 10rem; }
.film__archive-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 2.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); color: rgba(255,255,255,.48); }
.film__archive-head > p:last-child { margin: 0; font-size: .55rem; letter-spacing: .18em; }
.film__episodes { display: flex; gap: clamp(2.2rem, 5vw, 5.5rem); margin: 0 0 1rem; overflow-x: auto; scrollbar-width: none; }
.film__episodes::-webkit-scrollbar { display: none; }
.film__episode { position: relative; flex: 0 0 auto; display: inline-flex; gap: .85rem; border: 0; background: transparent; padding: .65rem 0; color: rgba(255,255,255,.34); font-size: .55rem; letter-spacing: .18em; white-space: nowrap; cursor: pointer; transition: color .32s var(--ease), opacity .32s var(--ease); }
.film__episode::after { content: ""; position: absolute; left: 0; right: 0; bottom: .25rem; height: 1px; background: rgba(255,255,255,.72); transform: scaleX(0); transform-origin: left; transition: transform .32s var(--ease); }
.film__episode:hover:not(:disabled), .film__episode:focus-visible, .film__episode[aria-pressed="true"] { color: rgba(255,255,255,.82); }
.film__episode[aria-pressed="true"]::after { transform: scaleX(1); }
.film__episode:disabled { color: rgba(255,255,255,.2); cursor: default; }
.film-record { opacity: 1; transition: opacity .32s var(--ease); }
.film-record.is-switching { opacity: 0; }
.film__intro { display: grid; grid-template-columns: 1fr minmax(0, 2.6fr) 1fr; align-items: end; margin-bottom: .75rem; }
.film__intro h2 { margin: 0; font-size: clamp(3rem, 7vw, 7.6rem); font-weight: 300; letter-spacing: .04em; white-space: nowrap; transform: translate(clamp(-1.75rem, -1.5vw, -1.25rem), clamp(1rem, 1.25vw, 1.5rem)); }
.film__intro > p:last-child { margin: 0 0 .8rem; text-align: right; font-size: .65rem; letter-spacing: .22em; }
.film-frame { position: relative; aspect-ratio: 16/9; max-height: 78vh; margin: 0 auto; overflow: hidden; background: #071719; border: 1px solid rgba(255,255,255,.14); }
.film-frame video { height: 100%; object-fit: cover; }
.film-frame__overlay { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; background: linear-gradient(rgba(1,7,8,.2), rgba(1,7,8,.55)); transition: opacity .5s; }
.film-record:is([data-film="ep01"], [data-film="ep02"], [data-film="ep03"]) .film-frame__overlay { padding-right: 56%; }
.film-record[data-film="ep01"] .film-frame__overlay { background: linear-gradient(90deg, rgba(1,7,8,.3), rgba(1,7,8,.08) 48%, rgba(1,7,8,.18)), linear-gradient(0deg, rgba(1,7,8,.34), transparent 62%); }
.film-record:is([data-film="ep01"], [data-film="ep02"], [data-film="ep03"]) .film-frame__overlay p { white-space: nowrap; }
.film-frame__overlay.is-hidden { opacity: 0; pointer-events: none; }
.play-button { width: clamp(3.75rem, 7.25vw, 6.5rem); height: clamp(3.75rem, 7.25vw, 6.5rem); display: grid; place-items: center; border: 1px solid rgba(255,255,255,.65); border-radius: 50%; background: rgba(6,24,25,.18); backdrop-filter: blur(10px); cursor: pointer; transition: transform .35s, background .35s; }
.play-button:hover, .play-button:focus-visible { transform: scale(1.08); background: rgba(255,255,255,.12); }
.play-button span { margin-left: .25em; font-size: 1.15rem; }
.film-frame__overlay p { margin: 1.2rem 0 .45rem; font-size: .7rem; letter-spacing: .22em; }
.film-frame__overlay small { color: rgba(255,255,255,.48); font-size: .5rem; letter-spacing: .15em; }
.film-frame__error { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; background: rgba(2,8,9,.94); }
.film-frame__error[hidden] { display: none; }
.film-frame__error p { margin: 0 0 .65rem; font-size: 1.1rem; letter-spacing: .12em; }
.film-frame__error span { color: var(--oxygen); font-size: .55rem; letter-spacing: .16em; }
.film__meta { display: flex; justify-content: space-between; margin-top: .8rem; color: rgba(255,255,255,.42); font-size: .5rem; letter-spacing: .16em; }

.process { position: relative; height: 360vh; background: #0e3133; }
.process__sticky { position: sticky; top: 0; height: 100svh; display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem, 10vw, 10rem); align-items: center; padding: var(--header) var(--pad) 2rem; overflow: hidden; isolation: isolate; background: radial-gradient(ellipse 68% 64% at 69% 48%, rgba(91,146,137,.16), transparent 62%), radial-gradient(ellipse 42% 70% at 9% 82%, rgba(51,105,99,.11), transparent 72%), linear-gradient(155deg, #071a1e 0%, #0a2427 46%, #0d2f30 69%, #0e3133 100%); }
.process__sticky::before { content: ""; position: absolute; z-index: 0; width: 36vw; height: 118vh; right: 2vw; top: -16vh; border-radius: 50%; background: linear-gradient(180deg, rgba(218,237,232,.07), rgba(109,165,155,.15) 46%, rgba(28,76,72,.025) 84%, transparent); filter: blur(44px); opacity: .72; transform: translate3d(-6vw, -4vh, 0) rotate(-11deg); transition: transform 1.1s var(--ease), opacity 1.1s var(--ease); pointer-events: none; }
.process__sticky::after { content: ""; position: absolute; z-index: 0; inset: 48% 0 0; background: linear-gradient(180deg, rgba(14,49,51,0), rgba(14,49,51,.38) 58%, #0e3133 100%); pointer-events: none; }
.process[data-process-case="1"] .process__sticky::before { opacity: .82; transform: translate3d(-1vw, 1vh, 0) rotate(-7deg); }
.process[data-process-case="2"] .process__sticky::before { opacity: .68; transform: translate3d(5vw, 7vh, 0) rotate(-2deg); }
.process__heading, .process__cases, .process__counter { position: relative; z-index: 1; }
.process__heading { align-self: center; transform: translateY(-4vh); }
.process__heading h2 { margin: 1.2rem 0 2rem; color: rgba(234,243,239,.9); font-size: var(--chapter-statement-size); font-weight: 320; line-height: 1.06; letter-spacing: -.045em; }
.process__title-line { display: block; width: max-content; max-width: 100%; white-space: nowrap; }
.process__title-line--decision { margin-top: .08em; margin-left: clamp(1.5rem, 3vw, 3.5rem); }
.process__heading > p:last-child { max-width: 27rem; color: rgba(255,255,255,.5); font-size: .8rem; line-height: 1.8; }
.process__cases { height: 30rem; transform: translateY(3vh); }
.process-case { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; opacity: 0; transform: translateY(3rem); transition: opacity .75s var(--ease), transform .75s var(--ease); pointer-events: none; }
.process-case.is-active { opacity: 1; transform: none; pointer-events: auto; }
.process-case__index { margin: 0 0 2rem; color: var(--oxygen); font-size: .62rem; letter-spacing: .2em; }
.process-case h3 { margin: 0 0 1.5rem; color: rgba(244,247,242,.96); font-size: clamp(2rem, 4vw, 4.4rem); font-weight: 350; line-height: 1.12; }
.process-case > p:not(.process-case__index) { max-width: 38rem; margin: 0; color: rgba(242,247,244,.72); font-size: 1rem; line-height: 2; }
.process-case > span { position: relative; display: block; width: min(38rem, 92%); margin-top: 2rem; padding-top: .9rem; color: rgba(238,246,242,.46); font-size: .55rem; letter-spacing: .18em; }
.process-case > span::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: linear-gradient(90deg, rgba(221,238,233,.3), rgba(221,238,233,.08) 68%, transparent); }
.process__counter { position: absolute; right: var(--pad); bottom: 2rem; color: rgba(255,255,255,.44); font-size: .65rem; letter-spacing: .16em; }
.process__counter b { color: var(--oxygen); font-size: 1.3rem; font-weight: 400; }
.process__steps { position: absolute; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(var(--process-case-count, 6), 1fr); transition: opacity .55s var(--ease); }
.process__steps i { height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.065) 22%, rgba(255,255,255,.065) 78%, transparent); }
.process[data-process-case="5"] .process__steps { opacity: 0; }

.whale { position: relative; min-height: 165svh; display: grid; place-items: center; overflow: hidden; color: #e3ece8; background: linear-gradient(180deg, #36575d 0%, #2e5556 22%, #224847 46%, #122f31 72%, #061315 100%); }
.whale__tide { position: absolute; inset: auto -10% -10% -10%; height: 58%; background: radial-gradient(ellipse at 50% 0, rgba(175,204,198,.18), transparent 58%), repeating-radial-gradient(ellipse at 50% 100%, rgba(218,232,228,.075) 0 1px, transparent 2px 22px); transform: rotate(-2deg); }
.whale-shape { position: absolute; left: 50%; top: 52%; width: min(82vw, 82rem); aspect-ratio: 2.25/1; transform: translate(-50%, -45%); opacity: .88; }
.whale-shape::before, .whale-shape::after { content: ""; position: absolute; background: radial-gradient(ellipse at 24% 39%, rgba(223,237,233,.11) 0 1%, transparent 9%), radial-gradient(ellipse at 69% 64%, rgba(218,232,229,.08) 0 1%, transparent 11%), repeating-radial-gradient(ellipse at 28% 56%, transparent 0 18px, rgba(205,224,220,.045) 19px 20px, transparent 21px 38px), repeating-linear-gradient(117deg, transparent 0 22px, rgba(215,230,227,.04) 23px 24px, transparent 26px 47px), radial-gradient(circle, rgba(230,240,237,.09) 0 .7px, transparent .9px) 0 0 / 12px 15px, linear-gradient(135deg, rgba(7,27,30,.9), rgba(42,73,70,.65) 56%, rgba(11,37,40,.84)); background-blend-mode: screen, screen, soft-light, overlay, screen, normal; filter: saturate(.68) contrast(1.08); }
.whale-shape::before { inset: 0 0 0 10%; clip-path: polygon(3% 46%, 13% 33%, 34% 20%, 61% 15%, 81% 24%, 98% 40%, 88% 52%, 73% 58%, 54% 58%, 45% 84%, 40% 58%, 24% 56%, 11% 52%); }
.whale-shape::after { left: 0; top: 25%; width: 24%; height: 52%; clip-path: polygon(100% 50%, 39% 36%, 2% 1%, 31% 50%, 5% 98%, 42% 66%); transform: rotate(-2deg); }
.whale-eye { position: absolute; z-index: 2; left: 84%; top: 35%; width: .55rem; height: .55rem; border-radius: 50%; background: var(--oxygen); box-shadow: 0 0 0 .35rem rgba(255,92,84,.16); }
.debris { position: absolute; z-index: 1; overflow: hidden; border: 1px solid rgba(234,243,240,.48); background: linear-gradient(145deg, rgba(225,241,237,.11), rgba(183,207,203,.035)); box-shadow: inset 0 0 1.2rem rgba(219,236,232,.05); backdrop-filter: blur(2px); }
.debris svg { position: absolute; left: -10%; top: -10%; width: 120%; height: 120%; overflow: visible; color: rgba(232,240,238,.8); opacity: .62; filter: blur(.12px); }
.debris svg * { vector-effect: non-scaling-stroke; fill: none; stroke: currentColor; stroke-width: 1.05; stroke-linecap: round; stroke-linejoin: round; }
.debris svg .specimen-fill { fill: rgba(201,220,216,.18); stroke: none; }
.debris--1 { left: 18%; top: 36%; width: 7%; height: 24%; transform: rotate(18deg); }
.debris--2 { left: 36%; top: 24%; width: 11%; height: 18%; border-radius: 50%; }
.debris--3 { left: 55%; top: 43%; width: 14%; height: 6%; transform: rotate(-12deg); }
.debris--4 { left: 69%; top: 33%; width: 8%; height: 21%; transform: rotate(35deg); }
.debris--5 { left: 43%; top: 47%; width: 5%; height: 22%; transform: rotate(-5deg); }
.debris--6 { left: 26%; top: 48%; width: 12%; height: 8%; transform: rotate(8deg); }
.debris--1 svg { left: -24%; top: -12%; width: 150%; height: 128%; transform: rotate(-7deg); }
.debris--2 svg { left: -18%; top: -14%; width: 136%; height: 132%; transform: rotate(9deg); }
.debris--3 svg { left: -9%; top: -29%; width: 127%; height: 158%; transform: rotate(4deg); }
.debris--4 svg { left: -14%; top: -10%; width: 128%; height: 123%; transform: rotate(-9deg); }
.debris--5 svg { left: -22%; top: -12%; width: 144%; height: 128%; transform: rotate(6deg); }
.debris--6 svg { left: -13%; top: -28%; width: 130%; height: 160%; transform: rotate(-4deg); }
.whale__copy { position: relative; z-index: 2; align-self: start; width: 100%; padding: 13rem var(--pad) 0; color: rgba(227,236,232,.86); }
.whale__copy h2 { margin: 1.4rem 0 0; max-width: 76rem; font-size: clamp(2.65rem, 6vw, 6.6rem); font-weight: 320; line-height: 1.13; letter-spacing: -.045em; }
.whale__note { position: absolute; z-index: 2; right: var(--pad); bottom: 6rem; width: min(28rem, 68vw); margin: 0; color: rgba(219,231,227,.62); font-size: .86rem; line-height: 1.9; text-align: right; }

.manifesto { position: relative; min-height: 110svh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(22rem, .72fr); gap: clamp(3rem, 7vw, 8rem); align-items: center; overflow: hidden; padding: 10rem var(--pad); background: linear-gradient(180deg, #0e3133 0%, #17383e 18%, #2b4b53 42%, #607982 70%, #496971 86%, #36575d 100%); color: rgba(230,238,234,.9); }
.manifesto::after { content: ""; position: absolute; right: 9vw; top: 14%; width: 19vw; height: 45vw; background: linear-gradient(180deg, rgba(196,218,212,.18), rgba(63,111,106,.04)); filter: blur(38px); clip-path: polygon(42% 0, 64% 0, 100% 100%, 0 100%); }
.manifesto__mark { position: absolute; right: var(--pad); top: calc(var(--header) + .65rem); margin: 0; font-size: .55rem; letter-spacing: .2em; }
.manifesto__title { position: relative; z-index: 1; margin: 0; font-size: var(--chapter-statement-size); font-weight: 310; line-height: 1.03; letter-spacing: -.05em; }
.manifesto__title-line { display: block; width: max-content; max-width: 100%; }
.manifesto__title-line--return { margin-left: clamp(2.75rem, 6vw, 7rem); }
.manifesto__title-line--human { margin-top: .14em; margin-left: clamp(7rem, 14vw, 15rem); color: rgba(241,246,242,.98); font-size: 1.18em; line-height: .88; }
.manifesto__copy { position: relative; right: clamp(4rem, 7vw, 6rem); z-index: 1; width: min(31rem, 100%); padding-top: 2rem; }
.manifesto__copy p { margin: 0; }
.manifesto__intro { width: min(25rem, 100%); color: rgba(222,233,229,.62); font-size: clamp(.86rem, .9vw, .98rem); line-height: 1.95; }
.manifesto__core { margin-top: clamp(2.8rem, 4vw, 4.5rem) !important; color: rgba(235,242,238,.9); font-size: clamp(1.65rem, 2.45vw, 2.8rem); font-weight: 310; line-height: 1.4; letter-spacing: -.025em; }
.manifesto__coda { width: min(29rem, 100%); margin-top: clamp(2.2rem, 3vw, 3.3rem) !important; color: rgba(218,230,226,.48); font-size: clamp(.78rem, .8vw, .88rem); line-height: 1.95; }

.site-footer { position: relative; isolation: isolate; overflow: hidden; background: linear-gradient(180deg, #061315 0%, #061315 24%, #041012 64%, #020809 100%); padding: 0 var(--pad) 2rem; }
.site-footer::before { content: ""; position: absolute; z-index: 0; left: -8%; right: -8%; top: 0; height: min(58rem, 86svh); background: repeating-radial-gradient(ellipse at 50% 0, transparent 0 22px, rgba(218,232,228,.055) 23px 24px, transparent 25px 46px); -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.92), rgba(0,0,0,.42) 54%, transparent 100%); mask-image: linear-gradient(180deg, rgba(0,0,0,.92), rgba(0,0,0,.42) 54%, transparent 100%); opacity: .72; pointer-events: none; }
.site-footer > * { position: relative; z-index: 1; }
.site-footer__lead { min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; padding-bottom: clamp(5.5rem, 13vh, 9rem); border-bottom: 1px solid rgba(214,231,226,.1); }
.site-footer__lead h2 { margin: 1.2rem 0 .8rem; color: rgba(231,238,234,.94); font-size: clamp(3.5rem, 11vw, 11rem); font-weight: 260; line-height: .92; letter-spacing: -.055em; }
.site-footer__lead > p:last-child { color: rgba(255,255,255,.5); letter-spacing: .14em; }
.site-footer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 8rem; padding-top: 1.8rem; border-top: 1px solid var(--line); }
.site-footer__grid h3 { margin: 0 0 1.4rem; color: rgba(255,255,255,.42); font-size: .55rem; letter-spacing: .2em; }
.site-footer__grid p { margin: .4rem 0; font-size: .72rem; line-height: 1.7; }
.site-footer__bottom { display: flex; justify-content: space-between; margin-top: 7rem; padding-top: 1.2rem; border-top: 1px solid var(--line); font-size: .55rem; letter-spacing: .15em; }
.noscript { position: fixed; z-index: 1000; bottom: 0; left: 0; right: 0; margin: 0; padding: 1rem; background: var(--oxygen); color: white; text-align: center; }

.reveal { opacity: 0; transform: translateY(2.4rem); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes descend { 0% { transform: translateY(-100%); } 45%, 100% { transform: translateY(100%); } }
@keyframes drift { to { background-position: 5rem 12rem, -8rem 14rem; } }
@keyframes breathe { 50% { transform: scale(.65); opacity: .68; box-shadow: 0 0 0 .7rem rgba(255,92,84,.05); } }

@media (max-width: 820px) {
  :root { --chapter-statement-size: clamp(2.85rem, 12.4vw, 4.9rem); }
  :root { --header: 4.15rem; }
  .depth-rail { right: .6rem; }
  .depth-rail__value { display: none; }
  .site-header { padding-inline: 1.15rem 2rem; }
  .wordmark span { display: none; }
  .hero__content { padding: calc(var(--header) + 2.2rem) 1.25rem 1.6rem; }
  .hero__image { background-position: 58% center; background-size: cover; }
  .hero__title-block { width: 100%; }
  .hero__cn-title { font-size: clamp(2.6rem, 14vw, 5.2rem); letter-spacing: .16em; }
  .hero h2 { font-size: clamp(2.15rem, 12vw, 4.8rem); line-height: .84; letter-spacing: .12em; }
  .hero__subtitle { display: block; line-height: 1.8; }
  .hero__subtitle span { display: block; }
  .hero__edition { display: none; }
  .line-link { gap: 1.25rem; }
  .scroll-cue { font-size: 0; }
  .scroll-cue i { height: 2rem; }
  .descent__copy { width: calc(100% - 2.5rem); margin-left: 0; }
  .descent__copy h2 { font-size: clamp(2.8rem, 13vw, 5.8rem); }
  .descent__copy > p:last-child { margin-left: 0; }
  .descent__measure { right: 1.5rem; }
  .descent__light { opacity: clamp(.12, calc(.72 - var(--descent-light, .5)), .26); }
  .act { min-height: 115svh; }
  .act__media img { object-position: 62% center; }
  .act--suspend .act__media img { object-position: 68% center; }
  .act__copy { width: calc(100% - 3.5rem); margin-left: 1.25rem; }
  .act__copy h2 { font-size: clamp(4.1rem, 25vw, 7rem); }
  .act__copy > p:last-child { font-size: .88rem; }
  .act__number { right: -7vw; font-size: 66vw; }
  .act__caption { right: 1.4rem; }
  .film { padding: 7rem 1.25rem 7rem; }
  .film__archive-head { display: block; margin-bottom: 1.5rem; }
  .film__archive-head > p:last-child { margin-top: .7rem; line-height: 1.6; }
  .film__episodes { gap: 2.2rem; margin-bottom: 1rem; padding-bottom: .25rem; }
  .film__episode { gap: .65rem; font-size: .5rem; }
  .film__intro { display: block; }
  .film__intro h2 { margin: 1rem 0 .8rem; font-size: 3.6rem; transform: translateX(-.08em); }
  .film__intro > p:last-child { text-align: left; }
  .film-frame { aspect-ratio: 16/9; }
  .film-frame video { object-fit: cover; }
  .film-record:is([data-film="ep01"], [data-film="ep02"], [data-film="ep03"]) .film-frame__overlay { padding-right: 52%; }
  .film-record[data-film="ep01"] .film-frame video { object-position: 40% center; }
  .film-frame.is-playing video { object-fit: contain; }
  .film__meta span:nth-child(2) { display: none; }
  .process { height: 340vh; }
  .process__sticky { display: block; padding: 7rem 1.25rem 4rem; }
  .process__sticky::before { width: 78vw; height: 105vh; right: -24vw; top: -8vh; filter: blur(36px); }
  .process__heading, .process__cases { transform: none; }
  .process__heading h2 { margin-bottom: 1rem; }
  .process__title-line--decision { margin-left: clamp(1.25rem, 8vw, 2.5rem); }
  .process__heading > p:last-child { display: none; }
  .process__cases { height: 50vh; min-height: 24rem; }
  .process-case { justify-content: flex-end; }
  .process-case h3 { font-size: clamp(1.7rem, 8vw, 3rem); }
  .process-case > p:not(.process-case__index) { font-size: .87rem; line-height: 1.8; }
  .process-case > span { font-size: .48rem; line-height: 1.7; }
  .process__counter { right: 1.4rem; bottom: 1.3rem; }
  .whale { min-height: 145svh; }
  .whale__copy { padding: 9rem 1.25rem 0; }
  .whale__copy h2 { font-size: clamp(2.1rem, 8.8vw, 3.8rem); }
  .whale-shape { top: 59%; width: 116vw; }
  .whale__note { right: 1.4rem; bottom: 4rem; }
  .manifesto { min-height: 100svh; grid-template-columns: minmax(0, 1fr); gap: clamp(3rem, 10vw, 5rem); align-content: start; padding: 7rem 1.25rem 6rem; }
  .manifesto__title { line-height: 1.02; }
  .manifesto__title-line--return { margin-left: clamp(1.75rem, 12vw, 3.25rem); }
  .manifesto__title-line--human { margin-left: clamp(4rem, 22vw, 6.5rem); font-size: 1.18em; }
  .manifesto__copy { right: auto; width: 100%; padding-top: 0; }
  .manifesto__intro { font-size: clamp(.84rem, 3.7vw, .94rem); line-height: 1.9; }
  .manifesto__core { margin-top: clamp(2.5rem, 10vw, 3.5rem) !important; font-size: clamp(1.55rem, 7.4vw, 2.2rem); line-height: 1.42; }
  .manifesto__coda { margin-top: clamp(2.2rem, 9vw, 3rem) !important; font-size: clamp(.78rem, 3.45vw, .86rem); line-height: 1.9; }
  .site-footer { padding: 0 1.25rem 2rem; }
  .site-footer::before { left: -35%; right: -35%; height: 68svh; opacity: .58; }
  .site-footer__lead { min-height: 86svh; padding-bottom: 5rem; }
  .site-footer__lead h2 { word-break: break-word; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; margin-top: 5rem; }
  .site-footer__bottom { margin-top: 5rem; }
}

@media (max-width: 520px) {
  .entry-gate__actions { flex-direction: column; }
  .text-button { width: 100%; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { display: block; line-height: 2.4; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero__image, .act__media img { transform: none !important; }
  .descent__sticky::before { animation: none; }
}