/* ============================================================================
   Shou — landing site
   "Midnight Cinema / Japanese Editorial" — palette + type pulled from the app
   (shou/static/remote.css) so the site and the product are unmistakably one.
   ========================================================================== */

:root{
  --ink:#0a0a0c; --ink-2:#100f13; --ink-3:#17161c; --ink-4:#201e26;
  --line:rgba(255,255,255,.07); --line-2:rgba(255,255,255,.14);
  --paper:#f1ece3; --paper-dim:#918b81;
  --acc:#ff4a32; --acc-2:#ff6a4d; --acc-soft:rgba(255,74,50,.14); --acc-deep:#d63b27;
  --live:#5ad6a0; --blue:#6ab0ff;
  --serif:"Shippori Mincho B1",serif;
  --sans:"Zen Kaku Gothic New",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --r:16px; --r-lg:22px;
  --shadow:0 22px 50px -22px rgba(0,0,0,.9);
  --halo:0 8px 30px -12px var(--acc);
  --maxw:1180px;
  /* cursor aura position, fed by JS */
  --mx:50vw; --my:30vh;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html.lenis{scroll-behavior:auto}
body{
  margin:0; background:var(--ink); color:var(--paper);
  font-family:var(--sans); font-weight:400; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  background-image:radial-gradient(120% 80% at 50% -10%, #15131a 0%, var(--ink) 55%);
  overflow-x:hidden;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
code{font-family:var(--mono); font-size:.86em; color:var(--acc-2)}
em{font-style:normal; color:var(--paper)}
::selection{background:var(--acc); color:#fff}

/* ── Ambience: the "Projection Room" composited backdrop ──────────────────
   A fixed, full-viewport scene stacked behind all content (content/nav sit at
   higher z-index). Every layer is non-interactive; the whole thing freezes under
   prefers-reduced-motion. Reuses only :root tokens — no new palette.
   ──────────────────────────────────────────────────────────────────────── */
/* Pinned to the *large* viewport height so the mobile address bar showing /
   hiding on scroll doesn't resize the scene and make the backdrop jump. */
.bg{position:fixed; top:0; left:0; width:100%; height:100vh; height:100lvh;
  z-index:0; pointer-events:none; overflow:hidden;
  transform:translateZ(0); will-change:transform}  /* own layer: steady on mobile URL-bar resize */
.bg>*{position:absolute; pointer-events:none}

/* -8 base wash sits on body; -7 aurora mesh (the living glow) */
.bg-aurora{inset:-10%}
.bg-aurora .blob{
  display:block; border-radius:50%; mix-blend-mode:screen;
  filter:blur(70px); opacity:.6; will-change:transform;
}
.bg-aurora .b1{width:48vw; height:48vw; left:-6vw; top:-8vh;
  background:radial-gradient(closest-side, rgba(255,74,50,.5), transparent 70%);
  animation:drift1 34s ease-in-out infinite}
.bg-aurora .b2{width:42vw; height:42vw; right:-8vw; top:6vh;
  background:radial-gradient(closest-side, rgba(214,59,39,.45), transparent 70%);
  animation:drift2 41s ease-in-out infinite}
.bg-aurora .b3{width:38vw; height:38vw; left:24vw; top:34vh;
  background:radial-gradient(closest-side, rgba(255,106,77,.34), transparent 70%);
  animation:drift3 29s ease-in-out infinite}
.bg-aurora .b4{width:34vw; height:34vw; right:14vw; bottom:-6vh; opacity:.4;
  background:radial-gradient(closest-side, rgba(106,176,255,.22), transparent 70%);
  animation:drift1 47s ease-in-out infinite reverse}

/* -6 horizon glow — the "screen below the fold" bleed at page bottom */
/* -6 synthwave horizon — a perspective floor grid flowing toward a banded sun */
.bg-horizon{
  left:0; right:0; bottom:0; height:54vh; height:54lvh; overflow:hidden; opacity:.95;
  perspective:440px; perspective-origin:50% 40%;
  -webkit-mask-image:linear-gradient(0deg, #000 78%, transparent);
          mask-image:linear-gradient(0deg, #000 78%, transparent);
}
.bg-horizon>*{position:absolute; left:0; right:0}
/* the sky glow that blooms upward from the horizon line */
.hz-glow{
  left:-12%; right:-12%; bottom:44%; height:46%;
  background:radial-gradient(70% 100% at 50% 100%,
    rgba(255,74,50,.55), rgba(255,74,50,.14) 42%, transparent 72%);
  filter:blur(10px); mix-blend-mode:screen;
  animation:breathe 9s ease-in-out infinite;
}
/* the banded sun sitting on the horizon (lower bands carved out by dark lines) */
.hz-sun{
  left:50%; bottom:44%; width:40vh; height:40vh;
  transform:translate(-50%, 50%); border-radius:50%;
  background:
    repeating-linear-gradient(180deg, transparent 0 5px, #0a0a0c 5px 8px) bottom/100% 50% no-repeat,
    linear-gradient(180deg, #ffe0bd 0%, #ff8a5b 46%, #e0432c 100%);
  filter:drop-shadow(0 0 30px rgba(255,74,50,.55));
}
/* bright horizon line where sky meets floor */
.hz-line{
  bottom:44%; height:2px;
  background:linear-gradient(90deg, transparent, #ff9a6b, rgba(255,255,255,.85), #ff9a6b, transparent);
  box-shadow:0 0 30px 7px rgba(255,74,50,.6);
}
/* the receding, flowing floor grid */
.hz-grid{
  left:50%; bottom:0; width:320%; height:46%;
  transform:translateX(-50%) rotateX(82deg);
  transform-origin:50% 0%; will-change:background-position;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,96,64,.6) 0 2px, transparent 2px 6.25%),
    repeating-linear-gradient(0deg,  rgba(255,96,64,.6) 0 2px, transparent 2px 34px);
  -webkit-mask-image:linear-gradient(0deg, #000, transparent 94%);
          mask-image:linear-gradient(0deg, #000, transparent 94%);
  animation:gridflow 3.4s linear infinite;
}
/* frosted scrim — softens the sun/grid so overlaid text stays legible */
.hz-veil{
  inset:0; top:auto; height:100%;
  -webkit-backdrop-filter:blur(6px); backdrop-filter:blur(6px);
  background:linear-gradient(0deg,
    rgba(10,10,12,.18) 0%, rgba(10,10,12,.52) 46%, rgba(10,10,12,.12) 100%);
}

/* -5 shoji / film-frame lattice — faint architectural hairline grid */
.bg-lattice{
  inset:0; opacity:.5;
  background-image:
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg,  rgba(255,255,255,.04) 0 1px, transparent 1px 96px);
  -webkit-mask-image:radial-gradient(120% 90% at 50% 40%, transparent 28%, #000 88%);
          mask-image:radial-gradient(120% 90% at 50% 40%, transparent 28%, #000 88%);
}
/* sprocket ticks down both margins, like 35mm film perforations */
.bg-sprockets{
  inset:0;
  background-image:
    repeating-linear-gradient(0deg, var(--line-2) 0 9px, transparent 9px 26px),
    repeating-linear-gradient(0deg, var(--line-2) 0 9px, transparent 9px 26px);
  background-size:5px 26px, 5px 26px;
  background-position:18px 0, calc(100% - 18px) 0;
  background-repeat:repeat-y, repeat-y;
  opacity:.5; will-change:transform;
}

/* -4 nebula — a deep field of star dust + faint drifting gas clouds */
.bg-nebula{
  inset:0; mix-blend-mode:screen; opacity:.9;
  /* star dust, kept to the upper sky so it never lands on the floor grid */
  background-image:
    radial-gradient(1.4px 1.4px at 12% 16%, rgba(255,255,255,.85), transparent 60%),
    radial-gradient(1px 1px   at 27% 40%, rgba(255,255,255,.5),  transparent 60%),
    radial-gradient(1.4px 1.4px at 45% 11%, rgba(255,224,200,.75), transparent 60%),
    radial-gradient(1px 1px   at 62% 31%, rgba(255,255,255,.5),  transparent 60%),
    radial-gradient(1.4px 1.4px at 79% 20%, rgba(255,255,255,.75), transparent 60%),
    radial-gradient(1px 1px   at 89% 44%, rgba(255,224,200,.55), transparent 60%),
    radial-gradient(1px 1px   at 34% 52%, rgba(255,255,255,.5),  transparent 60%),
    radial-gradient(1.4px 1.4px at 55% 47%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(1px 1px   at 7%  46%, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(1.4px 1.4px at 71% 8%, rgba(255,224,200,.6),  transparent 60%);
  animation:twinkle 6s ease-in-out infinite;
}
.bg-nebula .neb{
  position:absolute; display:block; border-radius:50%;
  filter:blur(64px); mix-blend-mode:screen; will-change:transform;
}
.bg-nebula .n1{width:54vw; height:30vw; left:-8vw; top:12vh; opacity:.16;
  background:radial-gradient(closest-side, rgba(255,74,50,.6), transparent 70%);
  animation:float1 64s ease-in-out infinite}
.bg-nebula .n2{width:42vw; height:26vw; right:-6vw; top:34vh; opacity:.14;
  background:radial-gradient(closest-side, rgba(106,176,255,.5), transparent 70%);
  animation:float2 74s ease-in-out infinite}

/* -3 ember particle field (canvas, animated in JS) */
.bg-embers{inset:0; width:100%; height:100%; mix-blend-mode:screen; opacity:.7}

/* -2 projector sweep — one slow volumetric light wedge */
.bg-sweep{
  top:-40%; left:-30%; width:60%; height:180%;
  background:linear-gradient(100deg, transparent, rgba(255,106,77,.07) 45%, rgba(255,255,255,.05) 50%, rgba(255,106,77,.07) 55%, transparent);
  filter:blur(30px); transform:rotate(8deg); mix-blend-mode:screen;
  animation:sweep 26s ease-in-out infinite;
}

/* edge vignette — keeps the central reading column calm */
.bg-vignette{
  inset:0;
  background:radial-gradient(120% 95% at 50% 42%, transparent 52%, rgba(5,5,7,.55) 100%);
}

/* +2 film grain, with a faint animated shimmer */
.grain{
  position:absolute; inset:-50%; width:200%; height:200%; opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 7s steps(6) infinite;
}

.cursor-aura{
  position:fixed; top:0; left:0; z-index:1; pointer-events:none;
  width:46vw; height:46vw; border-radius:50%;
  transform:translate(calc(var(--mx) - 23vw), calc(var(--my) - 23vw));
  background:radial-gradient(closest-side, rgba(255,74,50,.10), transparent 70%);
  filter:blur(20px); transition:opacity .4s; opacity:0;
}
.kanji-rail{
  position:fixed; right:14px; top:50%; transform:translateY(-50%);
  writing-mode:vertical-rl; letter-spacing:.5em; z-index:3; pointer-events:none;
  font-family:var(--serif); font-weight:700; font-size:13px;
  color:var(--paper-dim); opacity:.32; mix-blend-mode:screen;
}

/* ── Backdrop keyframes ───────────────────────────────────────────────── */
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}   50%{transform:translate(6vw,4vh) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1.05)}50%{transform:translate(-5vw,5vh) scale(.92)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(.95)} 50%{transform:translate(4vw,-5vh) scale(1.1)}}
@keyframes breathe{0%,100%{opacity:.5}                          50%{opacity:.85}}
@keyframes float1{0%,100%{transform:translate(0,0) rotate(0)}   50%{transform:translate(2vw,3vh) rotate(3deg)}}
@keyframes float2{0%,100%{transform:translate(0,0) rotate(0)}   50%{transform:translate(-2vw,-2vh) rotate(-2deg)}}
@keyframes float3{0%,100%{transform:translate(0,0) rotate(0)}   50%{transform:translate(3vw,-2vh) rotate(2deg)}}
@keyframes gridflow{from{background-position:0 0,0 0} to{background-position:0 0,0 34px}}
@keyframes twinkle{0%,100%{opacity:.55} 50%{opacity:1}}
@keyframes sweep{0%{transform:translateX(0) rotate(8deg); opacity:0}
  20%{opacity:1} 80%{opacity:1} 100%{transform:translateX(220%) rotate(8deg); opacity:0}}
@keyframes grain{0%{transform:translate(0,0)}10%{transform:translate(-3%,-4%)}
  30%{transform:translate(4%,-2%)}50%{transform:translate(-2%,5%)}
  70%{transform:translate(5%,2%)}90%{transform:translate(-4%,-3%)}100%{transform:translate(0,0)}}

/* ── Shared atoms ─────────────────────────────────────────────────────── */
.glyph{
  font-family:var(--serif); font-weight:800; color:var(--acc);
  display:inline-grid; place-items:center; line-height:1;
}
.nav-brand .glyph{
  width:34px; height:34px; font-size:19px; border-radius:10px;
  border:1px solid var(--line-2);
  background:linear-gradient(160deg, var(--ink-3), var(--ink-2));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.glyph.sm{width:auto; font-size:1em; color:var(--acc)}
.glyph.xl{
  width:84px; height:84px; font-size:48px; border-radius:20px; margin:0 auto 6px;
  border:1px solid var(--line-2);
  background:radial-gradient(120% 120% at 30% 0%, rgba(255,74,50,.18), var(--ink));
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
}

.pill{
  --bg:linear-gradient(165deg,var(--ink-3),var(--ink-2));
  display:inline-flex; align-items:center; gap:.5em;
  padding:.62em 1.05em; border-radius:999px; font-weight:700; font-size:14px;
  border:1px solid var(--line-2); background:var(--bg); color:var(--paper);
  cursor:pointer; transition:transform .12s, border-color .2s, box-shadow .25s, background .25s;
  white-space:nowrap;
}
.pill:hover{transform:translateY(-1px); border-color:rgba(255,255,255,.28)}
.pill:active{transform:translateY(0) scale(.98)}
.pill.solid{background:linear-gradient(150deg,var(--acc),var(--acc-deep)); border-color:transparent; box-shadow:var(--halo)}
.pill.solid:hover{box-shadow:0 12px 38px -10px var(--acc)}
.pill.ghost{background:rgba(255,255,255,.03)}
.pill.bare{background:transparent; border-color:transparent; color:var(--paper-dim)}
.pill.bare:hover{color:var(--paper)}
.pill.lg{padding:.85em 1.4em; font-size:15px}
.apk-pill,.ver-pill{
  font:600 11px/1 var(--mono); padding:.35em .5em; border-radius:6px;
  background:rgba(0,0,0,.25); border:1px solid rgba(255,255,255,.18);
}
.dot-live,.np-dot,.ph-live .np-dot{
  width:8px; height:8px; border-radius:50%; background:var(--live); display:inline-block;
  box-shadow:0 0 0 0 rgba(90,214,160,.6); animation:pulse 2.4s infinite;
}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(90,214,160,.55)}50%{box-shadow:0 0 0 6px rgba(90,214,160,0)}100%{box-shadow:0 0 0 0 rgba(90,214,160,0)}}

/* section scaffolding */
section{position:relative; z-index:4}
.sec-head{max-width:var(--maxw); margin:0 auto; padding:0 24px 38px}
.sec-kicker{
  font-family:var(--mono); font-size:12px; letter-spacing:.04em; text-transform:lowercase;
  color:var(--acc-2); display:inline-block; margin-bottom:14px;
}
.sec-head h2{
  font-family:var(--serif); font-weight:800; line-height:1.12; margin:0;
  font-size:clamp(28px,4.4vw,52px); letter-spacing:-.01em;
}
.sec-lead{max-width:54ch; color:var(--paper-dim); margin:16px 0 0; font-size:16px}

/* ── Nav ──────────────────────────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:30; display:flex; align-items:center; gap:18px;
  padding:14px clamp(16px,4vw,34px);
  background:rgba(10,10,12,.55); backdrop-filter:blur(14px);
  border-bottom:1px solid transparent; transition:border-color .3s, background .3s;
}
.nav.scrolled{border-bottom-color:var(--line); background:rgba(10,10,12,.78)}
.nav-brand{display:flex; align-items:center; gap:10px}
.nav-word{font-weight:900; letter-spacing:.26em; font-size:15px}
.nav-links{display:flex; gap:22px; margin-left:auto; font-size:14px; font-weight:500; color:var(--paper-dim)}
.nav-links a{position:relative; transition:color .2s}
.nav-links a:hover{color:var(--paper)}
.nav-links a::after{content:""; position:absolute; left:0; right:100%; bottom:-6px; height:1.5px; background:var(--acc); transition:right .25s}
.nav-links a:hover::after{right:0}
.nav-cta{display:flex; gap:10px; margin-left:18px}

/* ── Hero ─────────────────────────────────────────────────────────────── */
.hero{
  display:grid; grid-template-columns:1fr 1.05fr; gap:40px; align-items:center;
  max-width:var(--maxw); margin:0 auto; padding:clamp(40px,7vw,86px) 24px clamp(60px,8vw,110px);
}
.eyebrow{display:flex; align-items:center; gap:9px; color:var(--paper-dim); font-size:13px; font-weight:600; letter-spacing:.02em; margin:0 0 18px}
.hero-title{
  font-family:var(--serif); font-weight:800; font-size:clamp(64px,12vw,150px);
  line-height:.9; letter-spacing:.04em; margin:0 0 6px;
  background:linear-gradient(180deg,#fff,var(--paper) 40%,#cbbfae);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{font-size:clamp(15px,1.7vw,19px); color:var(--paper-dim); max-width:40ch; margin:0 0 26px}
.hero-sub em{color:var(--acc-2); font-style:italic; font-family:var(--serif)}
.hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-bottom:18px}
.hero-hint{font-size:13px; color:var(--paper-dim); opacity:.75; margin:0}
.hero-hint::before{content:"▸ "; color:var(--acc)}

/* ── Diorama (the playable centerpiece) ───────────────────────────────── */
.diorama{position:relative; perspective:1400px; min-height:430px}
.bigscreen{position:relative; width:100%; transform:rotateY(-6deg) rotateX(2deg); transform-style:preserve-3d}
.bs-bezel{
  position:relative; aspect-ratio:16/10; border-radius:14px; overflow:hidden;
  background:#050507; border:1px solid var(--line-2);
  box-shadow:var(--shadow), inset 0 0 0 6px #0c0b0f, 0 0 90px -30px var(--acc);
}
.coverflow{position:absolute; inset:0; transform-style:preserve-3d; display:grid; place-items:center}
.cf-cover{
  position:absolute; width:30%; aspect-ratio:2/3; border-radius:9px; overflow:hidden;
  border:1px solid rgba(255,255,255,.12); will-change:transform,opacity;
  transition:transform .55s cubic-bezier(.22,.85,.24,1), opacity .55s, filter .55s;
  box-shadow:0 18px 40px -18px rgba(0,0,0,.9);
  display:grid; place-items:center; text-align:center;
}
.cf-cover .cf-kanji{font-family:var(--serif); font-weight:800; font-size:34px; color:rgba(255,255,255,.92); text-shadow:0 2px 12px rgba(0,0,0,.6)}
.cf-cover .cf-name{position:absolute; bottom:7px; left:7px; right:7px; font-size:9px; font-weight:700; color:#fff; text-shadow:0 1px 4px #000; line-height:1.2}
.bs-nowplaying{
  position:absolute; left:0; right:0; bottom:0; display:flex; align-items:center; gap:9px;
  padding:10px 14px; font-size:12px; font-weight:600;
  background:linear-gradient(0deg, rgba(0,0,0,.82), transparent);
  color:var(--paper);
}
.bs-nowplaying .np-dot{opacity:.35; transition:opacity .3s}
.bigscreen.playing .bs-nowplaying .np-dot{opacity:1}
.np-label{color:var(--paper-dim); transition:color .3s}
.bigscreen.playing .np-label{color:var(--paper)}
.bs-scan{position:absolute; inset:0; pointer-events:none; opacity:0; background:linear-gradient(0deg,transparent 0 50%,rgba(255,255,255,.025) 50%); background-size:100% 3px}
.bigscreen.playing .bs-scan{opacity:1}
.bs-stand{width:14%; height:26px; margin:0 auto; background:linear-gradient(180deg,#16151b,#0c0b0f); border:1px solid var(--line); border-top:none}
.bs-foot{width:34%; height:8px; margin:0 auto; border-radius:0 0 8px 8px; background:#0c0b0f; border:1px solid var(--line); border-top:none}

/* the phone, overlapping the screen */
.phone{
  position:absolute; right:-6px; bottom:-46px; width:178px; z-index:6;
  border-radius:30px; padding:8px;
  background:linear-gradient(160deg,#26242d,#0d0c11); border:1px solid var(--line-2);
  box-shadow:0 40px 70px -28px rgba(0,0,0,.95), inset 0 1px 0 rgba(255,255,255,.08);
  transform:rotate(3deg);
}
.phone-screen{
  position:relative; border-radius:24px; overflow:hidden; padding:13px 12px 14px;
  background:radial-gradient(120% 70% at 50% -8%, #16131b, var(--ink) 60%);
  border:1px solid var(--line);
}
.ph-top{display:flex; align-items:center; justify-content:space-between; font-size:11px; margin-bottom:11px}
.ph-brand{font-weight:900; letter-spacing:.12em; display:flex; align-items:center; gap:5px}
.ph-live{display:flex; align-items:center; gap:5px; color:var(--paper-dim); font-weight:600; font-size:9px}
.ph-live .np-dot{width:6px; height:6px}
.ph-seg{position:relative; display:grid; grid-template-columns:1fr 1fr; background:var(--ink-4); border-radius:10px; padding:3px; margin-bottom:12px}
.seg-btn{position:relative; z-index:2; background:none; border:none; color:var(--paper-dim); font:700 9.5px/1 var(--sans); padding:6px 4px; cursor:pointer; border-radius:8px; transition:color .25s}
.seg-btn.active{color:var(--paper)}
.seg-thumb{position:absolute; z-index:1; top:3px; bottom:3px; left:3px; width:calc(50% - 3px); border-radius:8px; background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); box-shadow:0 6px 16px -4px var(--acc-soft); transition:transform .3s cubic-bezier(.22,.85,.24,1)}
.ph-seg[data-i="1"] .seg-thumb{transform:translateX(100%)}
.ph-cover{display:flex; gap:9px; align-items:center; margin-bottom:11px}
.ph-cover-art{width:38px; height:54px; border-radius:7px; flex:none; border:1px solid rgba(255,255,255,.12); background-size:cover; box-shadow:0 8px 18px -8px rgba(0,0,0,.8)}
.ph-cover-meta{display:flex; flex-direction:column; min-width:0}
.ph-title{font-weight:700; font-size:11px; line-height:1.2; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.ph-ep{font-size:9px; color:var(--paper-dim); margin-top:2px}
.ph-bar{height:4px; border-radius:999px; background:var(--ink-4); overflow:hidden; margin-bottom:12px}
.ph-bar span{display:block; height:100%; width:34%; background:linear-gradient(90deg,var(--acc),var(--acc-2)); transition:width .3s}
.ph-transport{display:flex; align-items:center; justify-content:center; gap:12px; margin-bottom:11px}
.t-btn{width:34px; height:34px; border-radius:50%; border:1px solid var(--line-2); background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); color:var(--paper); font-size:16px; cursor:pointer; display:grid; place-items:center; transition:transform .1s, border-color .2s}
.t-btn:active{transform:scale(.92)}
.t-btn.play{width:44px; height:44px; font-size:15px; background:linear-gradient(150deg,var(--acc),var(--acc-deep)); border-color:transparent; box-shadow:var(--halo)}
.ph-throw{
  width:100%; display:flex; align-items:center; justify-content:center; gap:8px;
  padding:9px; border-radius:11px; cursor:pointer; font:700 10.5px/1 var(--sans);
  color:var(--paper); border:1px solid var(--line-2);
  background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); transition:border-color .2s, background .25s, transform .1s;
}
.ph-throw:hover{border-color:var(--acc); background:rgba(255,74,50,.08)}
.ph-throw:active{transform:scale(.97)}
.throw-arrow{color:var(--acc); font-weight:900; transition:transform .25s}
.ph-throw:hover .throw-arrow{transform:translateX(3px)}

/* the landscape cast overlay inside the phone */
.phone-cast{position:absolute; inset:8px; border-radius:24px; overflow:hidden; opacity:0; pointer-events:none; transition:opacity .35s; background:#000; display:flex; flex-direction:column; justify-content:flex-end}
.phone.casting .phone-cast{opacity:1; pointer-events:auto}
.cast-art{position:absolute; inset:0; background-size:cover; background-position:center; filter:saturate(1.1)}
.cast-art::after{content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(0,0,0,.7),transparent 55%)}
.cast-chrome{position:relative; display:flex; align-items:center; justify-content:space-between; gap:8px; padding:10px}
.cast-title{font-size:9px; font-weight:700; color:#fff; text-shadow:0 1px 4px #000}
.cast-back{font:700 8.5px/1 var(--sans); color:#fff; background:rgba(0,0,0,.45); border:1px solid rgba(255,255,255,.25); border-radius:7px; padding:6px 7px; cursor:pointer; backdrop-filter:blur(4px)}

/* the flying tile for the demo throw arc — top/left:0 so JS translate() is
   measured from the diorama's origin, not the element's static flow position. */
.fly-tile{position:absolute; top:0; left:0; width:60px; aspect-ratio:2/3; border-radius:8px; z-index:8; opacity:0; pointer-events:none; background-size:cover; border:1px solid rgba(255,255,255,.3); box-shadow:0 20px 50px -12px #000}

/* ── Manifesto ────────────────────────────────────────────────────────── */
.manifesto{max-width:880px; margin:0 auto; padding:clamp(50px,9vw,120px) 24px; position:relative}
.reveal-lines{font-family:var(--serif); font-weight:700; font-size:clamp(22px,3.5vw,40px); line-height:1.32; margin:0; letter-spacing:-.01em}
.reveal-lines span{display:block; opacity:.16; transition:opacity .5s, transform .5s; transform:translateY(6px)}
.reveal-lines span.lit{opacity:1; transform:none}
.reveal-lines span.lit em{color:var(--acc-2)}
.margin-note{margin-top:28px; font-size:14px; color:var(--paper-dim); border-left:2px solid var(--acc); padding-left:14px; max-width:46ch}
.margin-note em{color:var(--acc-2); font-style:italic; font-family:var(--serif)}

/* ── Features ─────────────────────────────────────────────────────────── */
.features{padding:clamp(40px,6vw,80px) 0}
.feature-grid{max-width:var(--maxw); margin:0 auto; padding:0 24px; display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.fcard{
  position:relative; border-radius:var(--r); padding:22px 20px 24px; overflow:hidden;
  background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.04);
  opacity:0; transform:translateY(16px); transition:opacity .6s, transform .6s, border-color .3s, box-shadow .3s;
}
.fcard.in{opacity:1; transform:none}
.fcard:hover{border-color:rgba(255,74,50,.4); box-shadow:0 18px 40px -22px #000, 0 0 50px -26px var(--acc)}
.fcard::before{content:""; position:absolute; top:-40%; left:-20%; width:80%; height:80%; background:radial-gradient(closest-side,var(--acc-soft),transparent 70%); opacity:0; transition:opacity .35s}
.fcard:hover::before{opacity:1}
.fcard .ficon{width:38px; height:38px; border-radius:11px; display:grid; place-items:center; margin-bottom:14px; color:var(--acc); background:rgba(255,74,50,.08); border:1px solid var(--line-2)}
.fcard .ficon svg{width:20px; height:20px; stroke:currentColor; stroke-width:2; fill:none}
.fcard h3{font-family:var(--serif); font-weight:700; font-size:17px; margin:0 0 7px}
.fcard p{font-size:13.5px; color:var(--paper-dim); margin:0}
.fcard .fjp{position:absolute; top:16px; right:16px; font-family:var(--serif); font-size:13px; color:var(--paper-dim); opacity:.4}

/* ── Throw (pinned) ───────────────────────────────────────────────────── */
.throw{position:relative}
.throw-pin{
  min-height:100vh; display:grid; grid-template-columns:1fr 1fr; gap:30px; align-items:center;
  max-width:var(--maxw); margin:0 auto; padding:60px 24px;
}
.throw-copy h2.throw-h{font-family:var(--serif); font-weight:800; font-size:clamp(30px,4.6vw,56px); line-height:1.08; margin:14px 0 18px; letter-spacing:-.01em}
.throw-copy p{color:var(--paper-dim); max-width:46ch; font-size:16px}
.throw-steps{list-style:none; padding:0; margin:24px 0 0; display:grid; gap:10px}
.throw-steps li{font-size:14px; color:var(--paper-dim); opacity:.45; transition:opacity .35s, color .35s; padding-left:2px}
.throw-steps li b{color:var(--acc); margin-right:6px}
.throw-steps li.on{opacity:1; color:var(--paper)}
.throw-stage{position:relative; height:min(60vh,460px)}
.ts-screen{position:absolute; left:0; top:8%; width:62%; aspect-ratio:16/10; border-radius:12px; background:#050507; border:1px solid var(--line-2); box-shadow:var(--shadow), inset 0 0 0 5px #0c0b0f; overflow:hidden}
.ts-frame{position:absolute; inset:5px; border-radius:7px; background:linear-gradient(135deg,#3a2330,#1a1622)}
.ts-label,.ts-phone .ts-lab{position:absolute; bottom:8px; left:12px; font:600 10px/1 var(--mono); color:var(--paper-dim)}
.ts-phone{position:absolute; right:2%; bottom:0; width:120px; height:240px; border-radius:24px; background:linear-gradient(160deg,#26242d,#0d0c11); border:1px solid var(--line-2); box-shadow:0 40px 70px -28px #000; padding:7px}
.ts-phone-frame{position:absolute; inset:7px; border-radius:18px; background:radial-gradient(120% 70% at 50% -8%,#16131b,var(--ink) 60%); border:1px solid var(--line)}
/* the travelling tile — sibling of the stage; its left/top (set in JS) place it
   over the screen, GSAP translates it to the phone. Sensible static fallback. */
.ts-tile{position:absolute; left:18%; top:24%; width:22%; aspect-ratio:2/3; z-index:5; border-radius:8px; background:linear-gradient(135deg,#ff6a4d,#d63b27); border:1px solid rgba(255,255,255,.25); box-shadow:0 18px 40px -14px #000; display:grid; place-items:center; will-change:transform}
.ts-tile::after{content:"朱"; font-family:var(--serif); font-weight:800; font-size:22px; color:rgba(255,255,255,.85)}

/* ── Native ───────────────────────────────────────────────────────────── */
.native{padding:clamp(40px,6vw,80px) 0}
.card{background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); border:1px solid var(--line); border-radius:var(--r); box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.native-grid{max-width:var(--maxw); margin:0 auto; padding:0 24px; display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
.native-hero{grid-column:span 3; display:grid; grid-template-columns:auto 1fr; gap:36px; align-items:center; padding:30px 34px}
.native-hero-text h3{font-family:var(--serif); font-weight:700; font-size:clamp(20px,2.6vw,28px); margin:0 0 8px}
.native-hero-text p{color:var(--paper-dim); margin:0; max-width:52ch}
.native-feat{padding:22px 20px 24px; position:relative; overflow:hidden}
.native-feat::before{content:attr(data-icon); position:absolute; inset:0; opacity:0}
.native-feat h3{font-family:var(--serif); font-weight:700; font-size:17px; margin:0 0 7px; display:flex; align-items:center; gap:9px}
.native-feat h3::before{content:""; width:9px; height:9px; border-radius:3px; background:var(--acc); box-shadow:0 0 12px var(--acc)}
.native-feat p{font-size:13.5px; color:var(--paper-dim); margin:0}

/* the widget mock */
.widget{
  width:280px; border-radius:20px; padding:14px 14px 12px;
  background:linear-gradient(155deg,#1c1a22,#100f14); border:1px solid var(--line-2);
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
}
.w-top{display:flex; align-items:center; gap:11px; margin-bottom:12px}
.w-cover{width:46px; height:46px; border-radius:11px; flex:none; background:linear-gradient(135deg,#5b6cff,#b14dff); border:1px solid rgba(255,255,255,.15); box-shadow:0 8px 18px -8px rgba(0,0,0,.8)}
.w-meta{display:flex; flex-direction:column; min-width:0; flex:1}
.w-title{font-weight:700; font-size:13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.w-sub{font-size:10.5px; color:var(--paper-dim); margin-top:2px}
.w-wake{width:34px; height:34px; flex:none; border-radius:10px; border:1px solid var(--line-2); background:rgba(255,74,50,.1); color:var(--acc); font-size:15px; cursor:pointer}
.w-bar{height:5px; border-radius:999px; background:var(--ink-4); overflow:hidden; margin-bottom:12px}
.w-bar span{display:block; height:100%; width:62%; background:linear-gradient(90deg,var(--acc),var(--acc-2))}
.w-controls{display:flex; align-items:center; justify-content:space-around}
.w-controls button{width:38px; height:38px; border-radius:50%; border:1px solid var(--line-2); background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); color:var(--paper); font-size:13px; cursor:pointer}
.w-controls .w-play{background:linear-gradient(150deg,var(--acc),var(--acc-deep)); border-color:transparent; box-shadow:var(--halo)}

/* ── How / diagram ────────────────────────────────────────────────────── */
.how{padding:clamp(40px,6vw,80px) 0}
.diagram{max-width:960px; margin:0 auto; padding:0 24px}
.diagram svg{width:100%; height:auto; overflow:visible}
.dg-label{font:700 13px/1 var(--sans); fill:var(--paper)}
.dg-sub{font:400 10.5px/1 var(--mono); fill:var(--paper-dim)}
.dg-node{fill:url(#dgFill); stroke:var(--line-2)}
.dg-node.acc{stroke:var(--acc)}
.dg-wire{stroke:var(--line-2); stroke-width:2; fill:none}
.dg-flow{stroke:var(--acc); stroke-width:2.4; fill:none; stroke-dasharray:7 11; stroke-linecap:round}

/* ── Screenshots ──────────────────────────────────────────────────────── */
.shots{padding:clamp(40px,6vw,80px) 0}
/* PC shot takes the room it needs; the phone is capped to roughly the
   big-screen's height so the pair reads as a matched set, not a giant phone. */
.shot-row,.shot-solo{max-width:var(--maxw); margin:0 auto 40px; padding:0 24px; display:grid; grid-template-columns:minmax(0,1fr) auto; gap:24px 28px; align-items:end}
/* explicit placement so the full-width caption never reflows the PC shot below */
.shot-row .pc{grid-column:1; grid-row:1}
.shot-row .mob{grid-column:2; grid-row:1}
.shot-row figcaption{grid-column:1/-1; grid-row:2}
.shot-row.reverse{grid-template-columns:auto minmax(0,1fr)}
.shot-row.reverse .pc{grid-column:2; grid-row:1}
.shot-row.reverse .mob{grid-column:1; grid-row:1}
.shot-row .pc img{width:100%}            /* fill the column box edge to edge */
/* the lone phone shares a column with its wide caption, so centre the items
   (not just the track) or the fixed-width figure pins to the left edge */
.shot-solo{grid-template-columns:minmax(0,1fr); justify-items:center}
.shot{margin:0; border-radius:14px; overflow:hidden; border:1px solid var(--line-2); box-shadow:var(--shadow); opacity:0; transform:translateY(26px); transition:opacity .7s, transform .7s}
.shot.in{opacity:1; transform:none}
.shot.mob{width:clamp(160px,18vw,210px); border-radius:26px; padding:6px; background:linear-gradient(160deg,#26242d,#0d0c11)}
.shot.mob img{border-radius:21px}
.shot-row figcaption,.shot-solo figcaption{grid-column:1/-1; color:var(--paper-dim); font-size:13.5px; text-align:center; margin-top:4px}
.shot-row.reverse figcaption{grid-column:1/-1}

/* ── Install ──────────────────────────────────────────────────────────── */
.install{padding:clamp(40px,6vw,80px) 0}
.terminal{max-width:860px; margin:0 auto 30px; border-radius:14px; overflow:hidden; border:1px solid var(--line-2); box-shadow:var(--shadow); background:#0c0b10}
.term-bar{display:flex; align-items:center; gap:8px; padding:11px 14px; background:linear-gradient(180deg,#1a1820,#121118); border-bottom:1px solid var(--line)}
.tb-dot{width:11px; height:11px; border-radius:50%}
.tb-dot.r{background:#ff5f57}.tb-dot.y{background:#febc2e}.tb-dot.g{background:#28c840}
.tb-title{font:600 11.5px/1 var(--mono); color:var(--paper-dim); margin-left:8px}
.term-copy{margin-left:auto; font:600 11px/1 var(--mono); color:var(--paper-dim); background:rgba(255,255,255,.05); border:1px solid var(--line-2); border-radius:7px; padding:6px 10px; cursor:pointer; transition:color .2s, border-color .2s}
.term-copy:hover{color:var(--paper); border-color:var(--acc)}
.term-copy.done{color:var(--live); border-color:var(--live)}
.term-body{margin:0; padding:18px 18px 20px; font:400 13px/1.85 var(--mono); overflow-x:auto}
.term-body code{color:var(--paper); font-size:inherit}
.c-comment{color:#5d5a66}.c-prompt{color:var(--acc); font-weight:600}.c-cmd{color:var(--paper)}
.c-out{color:var(--live)}.c-ok{color:var(--acc-2); font-weight:600}.c-url{color:var(--blue)}
.install-steps{max-width:860px; margin:0 auto; padding:0 24px; display:grid; gap:12px; counter-reset:none; list-style:none}
.install-steps li{padding-left:0; color:var(--paper-dim); font-size:15px; padding:14px 16px; border-radius:12px; background:linear-gradient(165deg,var(--ink-3),var(--ink-2)); border:1px solid var(--line)}
.install-steps li b{color:var(--paper)}

/* ── Download ─────────────────────────────────────────────────────────── */
.download{padding:clamp(50px,7vw,110px) 24px}
.dl-card{max-width:620px; margin:0 auto; text-align:center; padding:46px 34px 40px; position:relative; overflow:hidden}
.dl-card::before{content:""; position:absolute; top:-50%; left:50%; transform:translateX(-50%); width:120%; height:90%; background:radial-gradient(closest-side,var(--acc-soft),transparent 70%); pointer-events:none}
.dl-card h2{font-family:var(--serif); font-weight:800; font-size:clamp(26px,4vw,40px); margin:6px 0 12px; position:relative}
.dl-card p{color:var(--paper-dim); margin:0 auto 22px; max-width:48ch; position:relative}
.dl-actions{display:flex; gap:12px; justify-content:center; flex-wrap:wrap; position:relative}
.dl-fine{font-size:12.5px; opacity:.7; margin-top:22px !important}

/* ── Footer ───────────────────────────────────────────────────────────── */
.foot{position:relative; z-index:4; max-width:var(--maxw); margin:0 auto; padding:40px 24px 60px; border-top:1px solid var(--line); text-align:center}
.foot-mark{display:flex; align-items:center; justify-content:center; gap:9px; font-weight:900; letter-spacing:.2em; font-size:15px}
.foot-mark .glyph{width:32px; height:32px; font-size:18px; border-radius:9px; border:1px solid var(--line-2); background:linear-gradient(160deg,var(--ink-3),var(--ink-2))}
.foot-tag{color:var(--paper-dim); font-size:13.5px; max-width:50ch; margin:16px auto}
.foot-links{display:flex; gap:22px; justify-content:center; flex-wrap:wrap; font-size:14px; margin:18px 0}
.foot-links a{color:var(--paper-dim); transition:color .2s}
.foot-links a:hover{color:var(--acc)}
.foot-fine{font-size:12px; color:var(--paper-dim); opacity:.55; margin-top:18px}

/* ── Boot flourish ────────────────────────────────────────────────────── */
body.boot .hero-copy,body.boot .diorama{opacity:0}
body.booted .hero-copy{animation:rise .8s cubic-bezier(.22,.85,.24,1) both}
body.booted .diorama{animation:rise .9s .12s cubic-bezier(.22,.85,.24,1) both}
@keyframes rise{from{opacity:0; transform:translateY(18px)}to{opacity:1; transform:none}}
body.boot::after{content:""; position:fixed; inset:0; z-index:60; background:var(--ink); pointer-events:none}
body.booted::after{animation:flicker .55s steps(1) forwards}
@keyframes flicker{0%{opacity:1}10%{opacity:.2}20%{opacity:.7}32%{opacity:.1}45%{opacity:.5}60%{opacity:0}100%{opacity:0; visibility:hidden}}

/* ── Reveal helper ────────────────────────────────────────────────────── */
.reveal{opacity:0; transform:translateY(20px); transition:opacity .7s, transform .7s}
.reveal.in{opacity:1; transform:none}

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width:900px){
  .nav-links{display:none}
  .hero{grid-template-columns:1fr; gap:54px; text-align:left}
  .diorama{margin-top:10px}
  .phone{right:8px; bottom:-30px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .native-grid{grid-template-columns:repeat(2,1fr)}
  .native-hero{grid-column:span 2; grid-template-columns:1fr; justify-items:center; text-align:center; gap:24px}
  .throw-pin{grid-template-columns:1fr; gap:40px; min-height:auto}
  .throw-stage{height:min(52vh,420px)}
  /* rest the throw tile centred on the screen (JS re-places it precisely) */
  .ts-tile{left:50%; top:18%; width:26%; transform:translateX(-50%)}
  /* stack each PC/mobile pair in a single column — the base grid-column:1/2
     placement would otherwise spawn an implicit 2nd column and squeeze them */
  .shot-row,.shot-row.reverse{grid-template-columns:1fr; gap:16px}
  .shot-row>*,.shot-row.reverse>*{grid-column:1 !important; grid-row:auto !important}
  .shot.mob{width:auto; max-width:240px; margin:0 auto}
  .kanji-rail{display:none}
  /* opaque solid bar instead of sampling the fixed backdrop — the blur strip
     re-samples during the URL-bar animation and makes the bg look displaced */
  .nav,.nav.scrolled{-webkit-backdrop-filter:none; backdrop-filter:none; background:rgba(10,10,12,.9)}
}
@media (max-width:560px){
  .feature-grid,.native-grid{grid-template-columns:1fr}
  .native-hero{grid-column:span 1}
  .nav-cta .ghost{display:none}
  .hero-title{font-size:clamp(56px,22vw,96px)}
  .diorama{perspective:none}
  .bigscreen{transform:none}
  .phone{position:relative; right:auto; bottom:auto; transform:none; margin:-30px auto 0; width:200px}
  /* lighten the backdrop on small screens */
  .bg-sweep,.bg-sprockets{display:none}
  .bg-aurora .blob{filter:blur(54px); opacity:.45}
  .bg-aurora .b3,.bg-aurora .b4{display:none}
  .bg-lattice{background-size:64px 64px,64px 64px}
}

/* ── Reduced motion ───────────────────────────────────────────────────── */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s !important; animation-delay:0s !important; transition-duration:.001s !important}
  .cursor-aura{display:none}
  .dot-live,.np-dot{animation:none}
  body.boot .hero-copy,body.boot .diorama{opacity:1}
  body.boot::after{display:none}
  .reveal,.fcard,.shot,.reveal-lines span{opacity:1; transform:none}
  /* freeze the backdrop into a still composition; drop the moving layers */
  .bg-embers,.bg-sweep{display:none}
  .bg *{animation:none !important}
}