:root {
  --m: 3.9vw;                         /* outer margin = first grid line */
  --col: calc((100vw - var(--m) * 2) / 3);
  --gap: 12px;                        /* text inset from a grid line */
  --bg: #fbfaf4;
  --fg: #111;
  --dim: #8a8a84;
  --line: rgba(0, 0, 0, .1);
  --lime: #c8f400;
  --lime-ink: #5b7a00;
  --sans: "TikTok Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "PingFang SC", ui-monospace, monospace;
  color-scheme: light;
}
[data-theme="dark"] {
  --bg: #0b0b0a;
  --fg: #ecebe4;
  --dim: #77776f;
  --line: rgba(255, 255, 255, .1);
  --lime-ink: var(--lime);
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background .5s, color .5s;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--lime); color: #111; }

.mono { font-family: var(--mono); font-size: 15px; line-height: 1.6; letter-spacing: .01em; }
.small { font-size: 13px; }
.dim { color: var(--dim); }
.lime { color: var(--lime-ink); }

/* ---------- fixed frame ---------- */
.frame { position: fixed; inset: 0; pointer-events: none; z-index: 55; }
.frame .vl { position: absolute; top: 0; bottom: 0; width: 1px; background: var(--line); left: calc(var(--m) + var(--col) * var(--c)); }
.frame .hl { position: absolute; left: 0; right: 0; height: 1px; background: var(--line); top: calc(var(--r) * 34vh); }
.frame .x { position: absolute; width: 17px; height: 17px; left: calc(var(--m) + var(--col) * var(--c) - 8px); top: calc(var(--r) * 34vh - 8px); }
.frame .x::before, .frame .x::after { content: ""; position: absolute; background: var(--dim); opacity: .8; }
.frame .x::before { left: 8px; top: 0; width: 1px; height: 17px; }
.frame .x::after { top: 8px; left: 0; height: 1px; width: 17px; }

/* ---------- HUD ---------- */
.hud { position: fixed; left: 0; right: 0; z-index: 50; display: flex; align-items: center; padding: 0 var(--m); mix-blend-mode: normal; }
.hud-top { top: 0; height: 92px; justify-content: space-between; }
.hud-bot { bottom: 0; height: 84px; font-family: var(--mono); font-size: 15px; }
.brand { font-weight: 800; font-size: 19px; letter-spacing: -.01em; padding-left: var(--gap); }
.nav { display: flex; gap: clamp(20px, 5vw, 72px); font-family: var(--mono); font-size: 15px; letter-spacing: .04em; }
.nav a, .nav button { position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -3px; height: 1px; background: currentColor; transition: right .35s; }
.nav a:hover::after { right: 0; }
.hud-bot #clock { padding-left: var(--gap); width: var(--col); }
.coords { width: var(--col); text-align: center; font-variant-numeric: tabular-nums; }
.globe { margin-left: auto; width: 44px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; }
.globe .g1 { animation: spin 6s linear infinite; transform-origin: 32px 18px; }
.globe .g2 { animation: spin 6s linear infinite -3s; transform-origin: 32px 18px; }
@keyframes spin { 0% { transform: scaleX(1); } 50% { transform: scaleX(-1); } 100% { transform: scaleX(1); } }

/* hide HUD over the dark CTA → invert */
.hud::before { content: ""; position: absolute; inset: 0; z-index: -1; transition: opacity .35s; opacity: 1; pointer-events: none; }
.hud-top::before { background: linear-gradient(var(--bg) 62%, transparent); }
.hud-bot::before { background: linear-gradient(transparent, var(--bg) 45%); }
.hud.on-hero::before { opacity: 0; }
.hud.on-dark { color: #f2f2ee; }
.hud-top.on-dark::before { background: linear-gradient(#000 62%, transparent); }
.hud-bot.on-dark::before { background: linear-gradient(transparent, #000 45%); }

/* ---------- layout helpers ---------- */
section { position: relative; }
.row3 { display: grid; grid-template-columns: repeat(3, var(--col)); margin: 0 var(--m); }
.row3 > * { padding: 0 var(--gap); }

/* ---------- HERO ---------- */
.hero { height: 100vh; min-height: 640px; overflow: hidden; background: #c3def0; color: #111; }
[data-theme="dark"] .hero { background: #0e1a2a; color: #ecebe4; }
.sky { position: absolute; inset: -10%; filter: blur(38px); }
.sky i { position: absolute; width: 46vw; height: 9vw; border-radius: 50%; background: #fff7e6; opacity: .85; transform: rotate(32deg); animation: drift 18s ease-in-out infinite alternate; }
[data-theme="dark"] .sky i { background: #2b4a7a; opacity: .7; }
.sky i:nth-child(1) { left: 10%; top: 20%; }
.sky i:nth-child(2) { left: 35%; top: 5%; width: 38vw; animation-duration: 22s; }
.sky i:nth-child(3) { left: 55%; top: 40%; animation-duration: 15s; }
.sky i:nth-child(4) { left: 0%; top: 62%; width: 30vw; animation-duration: 25s; }
.sky i:nth-child(5) { left: 62%; top: 75%; width: 34vw; animation-duration: 19s; }
@keyframes drift { to { translate: 9vw -4vh; } }

.hero-top { position: relative; padding-top: 136px; z-index: 2; }
.h-title { font-size: clamp(30px, 2.7vw, 44px); font-weight: 500; line-height: 1.15; letter-spacing: -.01em; }
.hero .lime { color: #5b7a00; }
[data-theme="dark"] .hero .lime { color: var(--lime); }

.jam { position: absolute; z-index: 2; left: 55%; top: 47%; width: min(70vw, 1000px); translate: -50% -50%; overflow: visible; }
.jam-word { font-family: "Pacifico", cursive; font-size: 330px; }
.sparkles i { position: absolute; z-index: 3; left: var(--x); top: var(--y); width: 54px; height: 54px; translate: -50% -50%;
  background: radial-gradient(circle, #fff 0 8%, transparent 9%), linear-gradient(90deg, transparent 47%, rgba(255,255,255,.9) 50%, transparent 53%), linear-gradient(0deg, transparent 47%, rgba(255,255,255,.9) 50%, transparent 53%);
  border-radius: 50%; animation: twinkle 3.5s ease-in-out infinite var(--d); opacity: 0; }
@keyframes twinkle { 0%, 100% { opacity: 0; scale: .4; rotate: 0deg; } 40% { opacity: 1; scale: 1; rotate: 45deg; } }

.big-cursor { position: absolute; z-index: 3; width: clamp(80px, 9vw, 150px); right: 8vw; top: 64%; filter: drop-shadow(0 18px 24px rgba(30, 90, 200, .35)); animation: bob 4s ease-in-out infinite; }
@keyframes bob { 50% { translate: -10px -14px; rotate: -4deg; } }

.issue { position: absolute; z-index: 3; left: calc(var(--m) + var(--gap)); top: 59vh; }
.issue-k { display: block; font-size: 13px; color: #5b7a00; margin-bottom: 6px; }
[data-theme="dark"] .issue-k { color: var(--lime); }
.issue-t { font-size: clamp(56px, 6.4vw, 104px); font-weight: 800; line-height: .95; color: var(--lime); letter-spacing: -.02em; text-shadow: 0 1px 0 rgba(0,0,0,.04); }
.issue-t .dim { color: #5b7a00; }

/* ---------- STATEMENT ---------- */
.statement { display: grid; grid-template-columns: var(--col) calc(var(--col) * 2); margin: 0 var(--m); padding: 22vh 0 18vh; }
.statement > * { padding: 0 var(--gap); }
.big-text { font-size: clamp(28px, 3.1vw, 50px); line-height: 1.32; font-weight: 500; letter-spacing: -.01em; }
.big-text mark { background: none; color: inherit; background-image: linear-gradient(var(--lime), var(--lime)); background-repeat: no-repeat; background-size: 0% 38%; background-position: 0 88%; transition: background-size 1.1s cubic-bezier(.2,.7,.2,1); }
.big-text.in mark { background-size: 100% 38%; }
.big-text.in mark:nth-of-type(2) { transition-delay: .25s; }
.big-text.in mark:nth-of-type(3) { transition-delay: .5s; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 9vh; border-top: 1px solid var(--line); }
.stats div { padding-top: 18px; }
.stats b { display: block; font-size: clamp(36px, 4vw, 64px); font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stats em { font-style: normal; color: var(--dim); font-weight: 400; }
.stats .mono { font-size: 12px; color: var(--dim); }

/* ---------- section head ---------- */
.sec-head { display: grid; grid-template-columns: var(--col) calc(var(--col) * 2); margin: 0 var(--m); padding-bottom: 6vh; }
.sec-head > * { padding: 0 var(--gap); }
.sec-head > :last-child { text-align: right; }

/* ---------- WORKS ---------- */
.works { padding-bottom: 14vh; }
.works-grid { display: grid; grid-template-columns: repeat(3, var(--col)); margin: 0 var(--m); row-gap: 12vh; }
.work { padding: 0 var(--gap); display: block; }
.work .ph { position: relative; overflow: hidden; background: #e7e4da; aspect-ratio: 1; clip-path: inset(100% 0 0 0); transition: clip-path 1.1s cubic-bezier(.7,0,.2,1); }
[data-theme="dark"] .work .ph { background: #1a1a18; }
.work.in .ph { clip-path: inset(0 0 0 0); }
.work img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .8s cubic-bezier(.2,.7,.2,1), filter .5s; scale: 1.12; }
.work.in img { scale: 1; transition: scale 1.6s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.work:hover img { transform: scale(1.05); }
.work .tag { position: absolute; top: 10px; right: 10px; background: var(--lime); color: #111; font-family: var(--mono); font-size: 12px; padding: 2px 6px; letter-spacing: .04em; }
.work .meta { display: flex; justify-content: space-between; gap: 12px; padding-top: 12px; font-family: var(--mono); font-size: 14px; }
.work .meta .t { font-family: var(--sans); font-size: 16px; text-transform: uppercase; letter-spacing: .01em; }
.work .sub { font-family: var(--mono); font-size: 12px; color: var(--dim); margin-top: 2px; display: flex; justify-content: space-between; }
.work.feat { grid-column: 2 / span 2; }
.work.feat .ph { aspect-ratio: 16 / 9; }
.work.s-72 { width: 72%; }
.work.s-72.r { justify-self: end; }
.work.drop { margin-top: 26vh; }
.work.drop2 { margin-top: 12vh; }

/* ---------- PROGRAMS ---------- */
.programs { padding-bottom: 18vh; }
.prog-list { list-style: none; margin: 0 var(--m); border-top: 1px solid var(--line); }
.prog-list li { border-bottom: 1px solid var(--line); }
.prog-list a { display: grid; grid-template-columns: var(--col) calc(var(--col) * .9) 1fr auto; align-items: baseline; padding: 30px var(--gap); position: relative; isolation: isolate; transition: padding .4s, color .3s; }
.prog-list a::before { content: ""; position: absolute; inset: 0; background: var(--lime); transform: scaleY(0); transform-origin: bottom; transition: transform .45s cubic-bezier(.7,0,.2,1); z-index: -1; }
.prog-list a:hover { color: #111; padding-left: calc(var(--gap) + 16px); }
.prog-list a:hover::before { transform: scaleY(1); }
.p-n { color: var(--dim); }
.prog-list a:hover .p-n { color: #111; }
.p-t { font-size: clamp(32px, 3.8vw, 60px); font-weight: 700; letter-spacing: -.02em; line-height: 1; grid-column: 1; grid-row: 1; margin-left: 48px; }
.p-n { grid-column: 1; grid-row: 1; }
.p-d { grid-column: 2 / span 2; font-size: 15px; line-height: 1.5; color: inherit; opacity: .75; padding-right: 24px; }
.p-tag { font-size: 13px; letter-spacing: .04em; }
.prog-preview { position: fixed; left: 0; top: 0; width: 280px; aspect-ratio: 4 / 3; pointer-events: none; z-index: 30; overflow: hidden; opacity: 0; scale: .85; transition: opacity .3s, scale .4s; }
.prog-preview.on { opacity: 1; scale: 1; }
.prog-preview img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- WARP SCENE (scroll-pinned) ---------- */
.cta { height: 700vh; background: #000; color: #fff; }
.warp-stage { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; place-items: center; }
#warp { position: absolute; inset: 0; width: 100%; height: 100%; }
.warp-hole { position: absolute; inset: 0; pointer-events: none; opacity: var(--hole, 0);
  background: radial-gradient(circle at 50% 50%, #000 0, #000 7vmin, rgba(0,0,0,.85) 14vmin, transparent 34vmin); }

.space { position: absolute; inset: 0; perspective: 900px; perspective-origin: 50% 50%; pointer-events: none; }
.space > * { position: absolute; left: 50%; top: 50%; will-change: transform, opacity;
  transform: translate(-50%, -50%) translate3d(var(--x, 0), var(--y, 0), calc((var(--z) + var(--dz, 0)) * 1px)); }
.fly { font-size: clamp(22px, 2.4vw, 38px); font-weight: 500; line-height: 1.2; white-space: nowrap; letter-spacing: -.01em; color: #fff; text-shadow: 0 0 18px rgba(0,0,0,.8); }
.px { width: 18px; height: 18px; background: var(--lime); }
.ring { width: 360px; height: 360px; border: 3px solid var(--lime); border-radius: 50%;
  transform: translate(-50%, -50%) translate3d(0, 8vh, calc((var(--z) + var(--dz, 0)) * 1px)) rotateX(76deg); }

.phase { position: absolute; z-index: 3; text-align: center; pointer-events: none; }
.phase.on { pointer-events: auto; }
.phase h2, h2.phase { font-size: clamp(52px, 8vw, 140px); font-weight: 800; line-height: .95; letter-spacing: -.02em; text-transform: uppercase; }
.phase span { display: block; }
.ph-b { font-size: clamp(48px, 7.4vw, 128px) !important; letter-spacing: 0 !important; }
.phase .ch { display: inline-block; opacity: 0; filter: blur(8px); transition: opacity .25s linear, filter .35s; transition-delay: var(--d); }
.phase.on .ch { opacity: 1; filter: blur(0); }
.end-k { display: block; color: var(--lime); font-size: 13px; letter-spacing: .08em; margin-bottom: 18px; opacity: 0; transition: opacity .6s .2s; }
.ph-end.on .end-k { opacity: 1; }
.ph-end .cta-btn { opacity: 0; translate: 0 16px; transition: opacity .5s .5s, translate .5s .5s, box-shadow .3s; }
.ph-end.on .cta-btn { opacity: 1; translate: 0 0; }
.cta-btn { display: inline-block; margin-top: 30px; padding: 14px 26px; background: var(--lime); color: #111; font-size: 14px; letter-spacing: .06em; }
.cta-btn:hover { box-shadow: 0 10px 40px rgba(200, 244, 0, .45); }
.warp-progress { position: absolute; right: calc(var(--m) + var(--gap)); top: 50%; translate: 0 -50%; writing-mode: vertical-rl; font-size: 12px; color: #9a9a9a; letter-spacing: .1em; }

/* ---------- FOOT ---------- */
.foot { display: grid; grid-template-columns: var(--col) repeat(3, calc(var(--col) * 2 / 3)); margin: 0 var(--m); padding: 14vh 0 160px; }
.foot > * { padding: 0 var(--gap); line-height: 1.9; }
.foot a:hover { color: var(--lime-ink); }
.brand-big { font-size: clamp(36px, 4vw, 64px); font-weight: 800; letter-spacing: -.03em; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; translate: 0 30px; transition: opacity 1s, translate 1s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; translate: 0 0; }

/* ---------- mobile ---------- */
@media (max-width: 820px) {
  :root { --m: 16px; --col: calc(100vw - 32px); }
  .frame .vl:nth-child(2), .frame .vl:nth-child(3), .frame .x { display: none; }
  .frame .vl:nth-child(4) { left: calc(100vw - 16px); }
  .hud-top { height: 64px; }
  .nav { gap: 14px; font-size: 12px; }
  .nav a { display: none; }
  .hud-bot { height: 52px; font-size: 12px; }
  .hud-bot #clock { width: auto; }
  .coords { display: none; }
  .row3 { grid-template-columns: 1fr; }
  .hero-top { padding-top: 90px; }
  .hero-top p { margin-top: 14px; }
  .jam { width: 118vw; top: 54%; }
  .sparkles { display: none; }
  .issue { top: auto; bottom: 90px; }
  .big-cursor { top: 70%; right: 6vw; }
  .statement, .sec-head { grid-template-columns: 1fr; }
  .statement .col-1 { margin-bottom: 20px; }
  .works-grid { grid-template-columns: 1fr; row-gap: 56px; }
  .work.feat { grid-column: auto; }
  .work.s-72 { width: 86%; }
  .work.drop, .work.drop2 { margin-top: 0; }
  .prog-list a { grid-template-columns: 1fr; gap: 8px; }
  .p-t, .p-n, .p-d { grid-column: 1; }
  .p-t { grid-row: auto; margin-left: 0; }
  .p-n { grid-row: auto; }
  .prog-preview { display: none; }
  .cta { height: 520vh; }
  .fly { font-size: 18px; }
  .ring { width: 200px; height: 200px; }
  .warp-progress { display: none; }
  .foot { grid-template-columns: 1fr 1fr; row-gap: 32px; padding-bottom: 90px; }
  .foot .col-1 { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .work .ph { clip-path: none; }
  .reveal { opacity: 1; translate: 0 0; }
}

/* WebGL water surface (water.js) replaces the CSS sky + SVG jam once ready */
.hero { position: relative; }
.water { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; display: block; }
.hero.gl-water .sky, .hero.gl-water .jam { opacity: 0; }