/* ============================================================
   DELTA ONE · HUB · design system (ported from The Book of Opportunity)
   A room in the same building: ice light on basalt, calm, generous.
   ============================================================ */
/* Manrope + JetBrains Mono, self-hosted Fontsource subsets: latin, latin-ext, cyrillic (+ext) — each face is fetched only when its unicode-range is used */
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-300-normal.woff2') format('woff2');font-weight:300;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-ext-300-normal.woff2') format('woff2');font-weight:300;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-300-normal.woff2') format('woff2');font-weight:300;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-ext-300-normal.woff2') format('woff2');font-weight:300;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-ext-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-ext-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-600-normal.woff2') format('woff2');font-weight:600;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-ext-600-normal.woff2') format('woff2');font-weight:600;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-600-normal.woff2') format('woff2');font-weight:600;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-ext-600-normal.woff2') format('woff2');font-weight:600;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-ext-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-ext-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-800-normal.woff2') format('woff2');font-weight:800;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-latin-ext-800-normal.woff2') format('woff2');font-weight:800;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-800-normal.woff2') format('woff2');font-weight:800;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'Manrope';src:url('/brand/fonts/manrope-cyrillic-ext-800-normal.woff2') format('woff2');font-weight:800;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2');font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-latin-ext-400-normal.woff2') format('woff2');font-weight:400;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-cyrillic-400-normal.woff2') format('woff2');font-weight:400;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-cyrillic-ext-400-normal.woff2') format('woff2');font-weight:400;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-latin-ext-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-cyrillic-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-cyrillic-ext-500-normal.woff2') format('woff2');font-weight:500;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-latin-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-latin-ext-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02D7-02DD,U+02E0-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-cyrillic-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:'JetBrains Mono';src:url('/brand/fonts/jetbrains-mono-cyrillic-ext-700-normal.woff2') format('woff2');font-weight:700;font-display:swap;unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}

:root{
  --bg:#050608; --bg2:#07090C; --card:#0A0E12; --card2:#07090C;
  --ink:#E9F1F5; --ink2:#9FB4BD; --ink3:#5E7078; --ink3s:#71858E;
  --ice:#BCD3DF; --ice-dim:rgba(188,211,223,.62);   /* eyebrow tier: ≥ 4.5:1 on basalt and on cards (the Book's .55 lands at 4.4) */
  --line:rgba(188,211,223,.14); --line2:rgba(188,211,223,.07);
  --edge:rgba(188,211,223,.34);
  --gold:#C8A96A; --pos:#7FD6A4;
  --wm:rgba(188,211,223,.055);
  --pill-ink:#0A0F13;
  --glass:rgba(10,14,18,.72);
  --scrim:rgba(3,4,6,.62);
  --bar:rgba(5,6,8,.85);
  --bar2:rgba(10,14,18,.88);
  --sans:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,'Noto Sans','Noto Sans Arabic','Noto Sans JP','Noto Sans KR','Noto Sans Devanagari',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --r2:10px; --r3:14px; --r4:18px;
  --ease:cubic-bezier(.16,1,.3,1);
  --t-fast:.35s cubic-bezier(.16,1,.3,1);
  --t-slow:.9s cubic-bezier(.16,1,.3,1);
  --pad:clamp(20px,5vw,64px);
  --maxw:1240px;
  --ctl:48px;             /* every control: ≥ 48 px, 56 on touch */
  --tb-h:74px;            /* measured by hub.js */
  --mx:0; --my:0;
  color-scheme:dark;
}
/* bone — the house light theme */
html[data-theme="bone"]{
  --bg:#F2EFE9; --bg2:#ECE8E0; --card:#FBFAF6; --card2:#F1EDE5;
  --ink:#10181D; --ink2:#3E545E; --ink3:#566870; --ink3s:#485C64;   /* 4.6:1 even on the glass bars over dark thumbnails, 6.1 on cream */
  --ice:#4A6B7C; --ice-dim:#3F5D6D;                 /* solid: the eyebrow tier reads ≥ 4.6:1 on every bone surface */
  --gold:#7F5F22; --pos:#1E7A4C;
  --line:rgba(16,24,29,.16); --line2:rgba(16,24,29,.08);
  --wm:rgba(16,24,29,.05); --pill-ink:#F5F8FA;
  --edge:rgba(16,24,29,.55);                          /* ghost-control edges ≥ 3:1 on cream */
  --glass:rgba(251,250,246,.78);
  --scrim:rgba(40,46,50,.5);
  --bar:rgba(242,239,233,.86);
  --bar2:rgba(251,250,246,.9);
  color-scheme:light;
}
/* dark media islands keep the basalt palette in both themes */
.dark-plate{
  --bg:#050608; --bg2:#07090C; --card:#0A0E12; --card2:#07090C;
  --ink:#E9F1F5; --ink2:#9FB4BD; --ink3:#5E7078; --ink3s:#71858E;
  --ice:#BCD3DF; --ice-dim:rgba(188,211,223,.62);
  --line:rgba(188,211,223,.14); --line2:rgba(188,211,223,.07);
  --pill-ink:#0A0F13; --edge:rgba(188,211,223,.34); --glass:rgba(10,14,18,.72);
  --gold:#C8A96A; --pos:#7FD6A4;
  color:var(--ink);
}
@media (pointer:coarse){:root{--ctl:56px}}
/* bone: the quieter --line border is invisible on cream, so chips, rows and the link box use the control edge */
html[data-theme="bone"] :is(.lchip,.lang-row,.js-item,.cchip,.sr-ico,.lb-url,.lb-multi,.share-more,.door){border-color:var(--edge)}
/* bone: text-only ice uses take the darker tier (fills keep --ice); the glass bars stop borrowing the thumbnails beneath; the transparent path surfaces get a faint ground */
html[data-theme="bone"] :is(.js-eyebrow .js-num,.js-eyebrow .js-opt,.ji-go,.js-link,.path-meter .pm-l b,.lh-title .q,#libEyebrow){color:var(--ice-dim)}
html[data-theme="bone"] #filterbar,html[data-theme="bone"] #topbar.scrolled,html[data-theme="bone"].modal-open #topbar{background:color-mix(in srgb,var(--bg) 94%,transparent)}
html[data-theme="bone"] .jcell.group .jstep.jgroup,html[data-theme="bone"] .jghost{background:rgba(251,250,246,.55)}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:18px;-webkit-text-size-adjust:100%}
@media (max-width:700px){html{font-size:17px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-weight:300;line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;min-height:100vh;min-height:100svh;
}
img,video{max-width:100%;display:block}
a{color:var(--ice);text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;text-align:start}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(188,211,223,.25)}
html[data-theme="bone"] ::selection{background:rgba(74,107,124,.28)}
svg{flex:none}
[hidden]{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--ice);outline-offset:3px}
.skip{position:fixed;top:8px;inset-inline-start:8px;z-index:1300;background:var(--ice);color:var(--pill-ink);padding:12px 18px;border-radius:999px;font-weight:600;transform:translateY(-200%);transition:transform .2s}
.skip:focus{transform:none}

/* ---------- primitives ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ice-dim);display:flex;align-items:center;gap:14px;
}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--ice);opacity:.7;flex:none}
h1,h2,h3{font-weight:700;line-height:1.08;letter-spacing:-.01em}
.h-display{font-size:clamp(40px,6.6vw,84px);font-weight:800;letter-spacing:-.02em}
.h-spread{font-size:clamp(28px,4vw,48px)}
.lede{font-size:clamp(17px,1.9vw,21px);color:var(--ink2);font-weight:300;max-width:56ch}
.body{font-size:clamp(16px,1.75vw,18px);color:var(--ink2);max-width:60ch}
.mono{font-family:var(--mono)}
.stamp{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink3s)}
.acc{color:var(--ice)}
/* scripts: Hangul keeps words whole; CJK accents never split mid-phrase; native sans for CJK / Devanagari / Arabic */
:lang(ko){word-break:keep-all}
:lang(ja) .acc,:lang(zh) .acc,:lang(ko) .acc{white-space:nowrap}
:lang(ja){--sans:'Manrope','Hiragino Sans','Yu Gothic','Noto Sans JP','Noto Sans CJK JP',system-ui,sans-serif}
:lang(ko){--sans:'Manrope','Apple SD Gothic Neo','Malgun Gothic','Noto Sans KR','Noto Sans CJK KR',system-ui,sans-serif}
:lang(zh){--sans:'Manrope','PingFang SC','Microsoft YaHei','Noto Sans SC','Noto Sans CJK SC',system-ui,sans-serif}
:lang(hi){--sans:'Manrope','Noto Sans Devanagari','Kohinoor Devanagari','Nirmala UI','Mangal',system-ui,sans-serif}
:lang(ar){--sans:'Manrope','Noto Sans Arabic','Geeza Pro','Segoe UI',system-ui,sans-serif}
/* the mono grammar keeps JetBrains Mono for digits and Latin; script glyphs come from the same face as the body, not the platform's monospace */
:lang(ar){--mono:'JetBrains Mono','Noto Sans Arabic','Noto Naskh Arabic','Geeza Pro','Segoe UI',system-ui,sans-serif}
:lang(hi){--mono:'JetBrains Mono','Noto Sans Devanagari','Kohinoor Devanagari','Nirmala UI','Mangal',system-ui,sans-serif}
:lang(ja){--mono:'JetBrains Mono','Hiragino Sans','Yu Gothic','Noto Sans JP','Noto Sans CJK JP',system-ui,sans-serif}
:lang(ko){--mono:'JetBrains Mono','Apple SD Gothic Neo','Malgun Gothic','Noto Sans KR','Noto Sans CJK KR',system-ui,sans-serif}
:lang(zh){--mono:'JetBrains Mono','PingFang SC','Microsoft YaHei','Noto Sans SC','Noto Sans CJK SC',system-ui,sans-serif}
/* Arabic joins, Devanagari stacks its vowel signs, kana / hangul / hanzi are syllabic: tracking would pull them apart, so the mono/uppercase grammar drops its letter-spacing there */
html:is(:lang(ar),:lang(hi),:lang(ja),:lang(ko),:lang(zh)) :is(.tb-chip,.badge,.eyebrow,.stamp,.fallback-chip,.lchip,.count,.tab .n,.key-stat .ks-k,.sortwrap .sw-l,.card-meta .lm-l,.lb-label,.lr-e,.lr-code,.bb-count span,
  .vw-foot,.toast,.pill,.act,.js-eyebrow,.js-state,.path-meter .pm-l,.d-eyebrow,.ji-s,.js-link,.jghost,.onboard li::before,
  .d1p-eyebrow,.d1p-lbl,.d1p-note,.d1p-mh,.d1p-ov-eb,.d1p-nx-sub,.d1p-nx-count,.d1p-nx-dur,.d1p-mi .ms,.d1p-mi .mv,.d1p-ptime,.d1p-time){letter-spacing:0}
/* Japanese: never break before small kana / punctuation, balance the long titles */
:lang(ja) .ft-title,:lang(ja) .lh-title,:lang(ja) .h-display,:lang(ja) .h-spread,:lang(ja) .js-title,:lang(ja) .card-title{line-break:strict;text-wrap:balance}
:lang(ja) .ft-title{max-width:34ch;word-break:keep-all;overflow-wrap:anywhere}   /* breaks at 、and 。only, never inside プレゼンテーション */

/* reveal-on-scroll (house grammar) — everything enters from DEPTH */
.rv{opacity:0;transform:perspective(900px) translateY(48px) rotateX(9deg) scale(.965);
  transform-origin:50% 100%;
  transition:opacity var(--t-slow),transform var(--t-slow)}
.rv.in{opacity:1;transform:perspective(900px) translateY(0) rotateX(0) scale(1)}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* tilt card with cursor glow (house grammar) */
.tcard{
  position:relative;border:1px solid var(--line);border-radius:var(--r4);
  background:linear-gradient(180deg,var(--card),var(--card2));
  transform:perspective(700px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--tz,1));
  transform-style:flat;   /* not preserve-3d: with translateZ(0) children under the tilt rotation, Chromium hit-tests a stale plane and clicks fall through to the card on wide cards */
  transition:transform .55s var(--ease),border-color var(--t-fast),box-shadow var(--t-fast);
  will-change:transform;
}
.tcard.rv.in{transform:perspective(700px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--tz,1))}
.tcard.tilting{--tz:1.03;transition:border-color var(--t-fast),box-shadow var(--t-fast)}
.tcard.rv{transition-property:opacity,transform,border-color,box-shadow;transition-duration:.9s,.9s,.35s,.35s;transition-timing-function:var(--ease)}
.tcard.rv:not(.in){opacity:0;transform:perspective(900px) translateY(48px) rotateX(9deg) scale(.965)}
.tcard.rv.in{transition-duration:.9s,.55s,.35s,.35s}
.tcard.rv.in.tilting{transition-property:border-color,box-shadow;transition-duration:.35s,.35s}
@media (prefers-reduced-motion:reduce){.tcard.rv,.tcard.rv:not(.in){opacity:1;transform:none;transition:none}}
.tcard::before{
  content:'';position:absolute;inset:0;pointer-events:none;border-radius:inherit;overflow:hidden;z-index:2;
  background:radial-gradient(420px circle at var(--gx,50%) var(--gy,50%),rgba(188,211,223,.15),rgba(188,211,223,.04) 34%,transparent 52%);
  background-repeat:no-repeat;opacity:var(--glow,0);transition:opacity var(--t-fast);
}
@media (hover:hover){
  .tcard:hover{border-color:rgba(188,211,223,.32);box-shadow:0 34px 90px rgba(0,0,0,.52),0 6px 22px rgba(0,0,0,.3)}
  html[data-theme="bone"] .tcard:hover{box-shadow:0 30px 70px rgba(16,24,29,.18),0 6px 18px rgba(16,24,29,.1)}
}
@media (prefers-reduced-motion:reduce){.tcard{transition:none;transform:none}.tcard.rv.in{transform:none}}

/* word-stagger blur reveal — headlines arrive as a wave of words, in 3D */
.wsplit{perspective:700px}
.wsplit .w{display:inline-block;opacity:0;filter:blur(10px);transform:translateY(.42em) rotateX(48deg);transform-origin:50% 100%}
.wsplit.go .w{animation:wordin .8s var(--ease) forwards;animation-delay:calc(var(--wi)*.05s)}
@keyframes wordin{to{opacity:1;filter:blur(0);transform:none}}
@media (prefers-reduced-motion:reduce){.wsplit .w{opacity:1;filter:none;transform:none;animation:none}}

/* eyebrow dash draws itself */
.eyebrow.rv::before{width:0;transition:width .9s var(--ease) .15s}
.eyebrow.rv.in::before{width:28px}
@media (prefers-reduced-motion:reduce){.eyebrow.rv::before{width:28px;transition:none}}

/* ---------- ambient layers — no section sits on flat black ---------- */
.ambient{position:absolute;inset:-6%;z-index:0;pointer-events:none;overflow:hidden;
  background-position:50% 50%;background-size:0 0;background-repeat:no-repeat;opacity:.15;   /* the plate itself paints nothing: its picture is on the drifting child below */
  -webkit-mask-image:linear-gradient(180deg,transparent 5.4%,#000 20%,#000 80%,transparent 94.6%);
  mask-image:linear-gradient(180deg,transparent 5.4%,#000 20%,#000 80%,transparent 94.6%);
  transform:translate3d(calc(var(--mx,0)*-22px),calc(var(--my,0)*-14px),0) scale(1.06);
  will-change:transform}
/* the slow drift moves a transform, not background-position, so the plate is rasterised once instead of on every frame */
.ambient::before{content:'';position:absolute;inset:-8% 0;background:inherit;background-size:cover;background-position:50% 50%;
  animation:ambdrift 32s ease-in-out infinite alternate;will-change:transform}
@keyframes ambdrift{from{transform:translate3d(0,-3%,0)}to{transform:translate3d(0,3%,0)}}
html[data-theme="bone"] .ambient{opacity:.08}
@media (prefers-reduced-motion:reduce){.ambient{transform:none}.ambient::before{animation:none}}
#dust{position:fixed;inset:0;z-index:2;pointer-events:none}   /* light dust on near-black: source-over looks the same as screen, without a full-viewport blend layer every frame */
html[data-theme="bone"] #dust{opacity:.35}
.veil{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,6,8,.42),rgba(5,6,8,.16) 38%,rgba(5,6,8,.88) 86%,var(--bg))}

/* ---------- controls: pills · chips · seals ---------- */
.pill{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;
  min-height:var(--ctl);padding:10px 26px;font-weight:600;font-size:16px;letter-spacing:.01em;
  color:var(--ink);white-space:nowrap;
  transition:transform var(--t-fast),box-shadow var(--t-fast),background var(--t-fast),border-color var(--t-fast),color var(--t-fast);
}
.pill.primary{background:var(--ice);color:var(--pill-ink)}
@media (hover:hover){
  .pill.primary:hover{transform:translateY(-2px);box-shadow:0 10px 34px rgba(188,211,223,.25)}
  html[data-theme="bone"] .pill.primary:hover{box-shadow:0 10px 30px rgba(16,24,29,.2)}
}
.pill.ghost{border:1px solid var(--edge)}
.pill.quiet{color:var(--ink2)}
@media (hover:hover){.pill.ghost:hover{border-color:var(--ice);background:rgba(188,211,223,.06)}.pill.quiet:hover{color:var(--ink);background:rgba(188,211,223,.06)}}
.pill.on{background:rgba(188,211,223,.14);border-color:var(--ice);color:var(--ink)}
.pill svg{width:18px;height:18px}
.pill.primary::after{content:'';position:absolute;inset:-1px;border-radius:inherit;border:1px solid var(--ice);opacity:0;pointer-events:none}
.pill.primary.pulse{position:relative}
.pill.primary.pulse::after{animation:ctapulse 2.6s ease-out infinite}
@keyframes ctapulse{0%{transform:scale(1);opacity:.8}70%{transform:scale(1.12,1.45);opacity:0}100%{transform:scale(1.12,1.45);opacity:0}}
@media (prefers-reduced-motion:reduce){.pill.primary.pulse::after{animation:none;opacity:0}.pill{transition:none}}
.tb-chip{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);
  border:1px solid var(--edge);border-radius:999px;padding:0 18px;min-height:var(--ctl);min-width:var(--ctl);
  background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);white-space:nowrap;
  transition:border-color var(--t-fast),transform var(--t-fast),background var(--t-fast)}
@media (hover:hover){.tb-chip:hover{border-color:var(--ice);transform:translateY(-1px)}}
.tb-chip.on{background:var(--ice);color:var(--pill-ink);border-color:var(--ice)}
.tb-chip svg{width:18px;height:18px}
.tb-chip.icon{padding:0}

/* ---------- top bar: mark · search · select · language · theme ---------- */
#topbar{position:fixed;top:0;inset-inline:0;z-index:70;display:flex;align-items:center;gap:14px;
  padding:calc(13px + env(safe-area-inset-top)) var(--pad) 13px;
  transition:background var(--t-fast),backdrop-filter var(--t-fast),border-color var(--t-fast);border-bottom:1px solid transparent}
#topbar.scrolled,html.modal-open #topbar{background:var(--bar);background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-color:var(--line2)}
#topbar .tb-mark{display:flex;align-items:center;flex:none;width:52px;height:var(--ctl);opacity:.94;border-radius:8px}
#topbar .tb-mark img{width:46px;height:auto}
#topbar .tb-mark .mk-dark{display:none}
html[data-theme="bone"] #topbar.scrolled .tb-mark .mk-white,html[data-theme="bone"].modal-open #topbar .tb-mark .mk-white{display:none}
html[data-theme="bone"] #topbar.scrolled .tb-mark .mk-dark,html[data-theme="bone"].modal-open #topbar .tb-mark .mk-dark{display:block}
#topbar .tb-search{flex:1 1 auto;max-width:560px;min-width:0;position:relative;display:flex;align-items:center}
#topbar .tb-right{display:flex;gap:10px;align-items:center;flex:none;margin-inline-start:auto}
.search{position:relative;width:100%;display:flex;align-items:center;min-height:var(--ctl);border:1px solid var(--edge);border-radius:999px;
  background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:border-color var(--t-fast),box-shadow var(--t-fast)}
.search:focus-within{border-color:var(--ice);box-shadow:0 0 0 2px var(--ice)}
.search .s-ico{position:absolute;inset-inline-start:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--ink2);pointer-events:none}
.search input{width:100%;min-height:calc(var(--ctl) - 2px);border:0;background:transparent;outline:0;padding-inline:50px 52px;font-size:16px;color:var(--ink)}
.search input::placeholder{color:var(--ink3s)}
.search input::-webkit-search-cancel-button{display:none}
.search .s-clear{position:absolute;inset-inline-end:4px;top:50%;transform:translateY(-50%);width:calc(var(--ctl) - 8px);height:calc(var(--ctl) - 8px);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--ink2)}
@media (hover:hover){.search .s-clear:hover{color:var(--ink);background:rgba(188,211,223,.1)}}
.search .s-clear svg{width:18px;height:18px}
.search .s-kbd{position:absolute;inset-inline-end:14px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:10.5px;color:var(--ink3s);border:1px solid var(--line);border-radius:6px;padding:2px 7px;pointer-events:none}
.search.has-q .s-kbd,.search:focus-within .s-kbd{display:none}
.search:not(.has-q) .s-clear{display:none}
/* over the always-dark hero the bone glass is grey: the placeholder needs the darker tier there */
html[data-theme="bone"] .search input::placeholder,html[data-theme="bone"] .search .s-kbd{color:var(--ink2)}
/* every topbar chip speaks the same mono-caps grammar (the Book's EN chip); non-Latin names keep their own sans */
.lang-chip .lc-name{max-width:14ch;overflow:hidden;text-overflow:ellipsis}
html:is(:lang(ja),:lang(ko),:lang(zh),:lang(hi),:lang(ar)) .lang-chip .lc-name{font-family:var(--sans);text-transform:none;letter-spacing:0;font-size:14px;font-weight:600}
.lang-chip .lc-code{display:none}
.tb-select .sel-ico{width:18px;height:18px}
@media (max-width:900px){
  #topbar{gap:8px;padding:calc(8px + env(safe-area-inset-top)) 14px 8px;transition:background var(--t-fast),backdrop-filter var(--t-fast),border-color var(--t-fast),transform .3s var(--ease)}
  #topbar.tuck{transform:translateY(-100%)}          /* tucks away while reading down, back on the first scroll up */
  #topbar .tb-mark{width:48px}#topbar .tb-mark img{width:40px}
  .lang-chip .lc-name{max-width:none;font-family:var(--sans);text-transform:none;letter-spacing:0;font-size:14px;font-weight:600}   /* the native name stays, whole: "Français", not "FRANÇA…" */
  #topbar .tb-select{display:none}
  #topbar .tb-support{display:none}                 /* Support moves into the language sheet (the phone's overflow) */
  .search input{padding-inline:44px 14px}
  .search input:not(:placeholder-shown){padding-inline-end:46px}
  .search .s-kbd{display:none}
  /* typing: the field takes the whole bar */
  #topbar.searching .tb-right{display:none}
  #topbar.searching .tb-search{max-width:none}
}
@media (max-width:400px){#themeBtn{display:none}}     /* the theme toggle moves into the language sheet on the smallest phones */

/* ---------- hero ---------- */
#hero{position:relative;background:var(--bg);min-height:clamp(560px,82vh,860px);min-height:clamp(560px,82svh,860px);display:flex;align-items:center;overflow:hidden;
  padding:calc(var(--tb-h) + clamp(40px,8vh,90px)) 0 clamp(48px,8vh,90px)}
#heroMedia{position:absolute;inset:0;overflow:hidden}
#heroMedia video,#heroMedia img{width:100%;height:100%;object-fit:cover;opacity:.55;
  transform:translate3d(calc(var(--mx,0)*-8px),calc(var(--my,0)*-5px),0) scale(1.04)}
/* wide screens: the monolith's light seam stands beside the text column, not through the headline (the Book's composition) */
@media (min-width:1200px){#heroMedia video,#heroMedia img{transform:translate3d(calc(18% + var(--mx,0)*-8px),calc(var(--my,0)*-5px),0) scale(1.16)}}
#hero .ambient{opacity:.22;z-index:1}
html[data-theme="bone"] #hero .ambient{opacity:.1}
#hero .veil{z-index:1}
/* bone: the dark plate rests on the cream page as a slab (the shadow paints below the clipped section, where the next section has no ground) */
html[data-theme="bone"] #hero{box-shadow:0 28px 60px -28px rgba(16,24,29,.5)}
#heroGlow{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(640px circle at calc(30% + var(--mx,0)*6%) calc(45% + var(--my,0)*6%),rgba(188,211,223,.10),transparent 62%)}
#hero .hero-inner{position:relative;z-index:3;width:100%}
.hero-text{max-width:720px;transform:perspective(1100px) rotateY(calc(var(--mx,0)*3deg)) rotateX(calc(var(--my,0)*-2deg));transform-origin:0 50%}
[dir="rtl"] .hero-text{transform-origin:100% 50%}
@media (max-width:900px),(prefers-reduced-motion:reduce){.hero-text{transform:none}}
.hero-text .h-display{margin-top:22px;max-width:14ch}
.hero-text .lede{margin-top:22px}
.hero-text .stamp{margin-top:18px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:30px}
@media (max-width:640px){.cta-row .pill{width:100%}}
.stat-band{display:flex;gap:clamp(26px,5vw,64px);flex-wrap:wrap;margin-top:clamp(30px,5vh,48px);padding-top:26px;border-top:1px solid var(--line2);max-width:720px;min-height:102px}   /* reserved before library.json lands: no layout shift */
.key-stat{display:flex;flex-direction:column;gap:4px}
.key-stat .ks-v{font-family:var(--mono);font-weight:700;font-size:clamp(26px,3vw,36px);letter-spacing:-.02em;color:var(--ice);text-shadow:0 0 34px rgba(188,211,223,.25);line-height:1.1}
html[data-theme="bone"] .key-stat .ks-v{text-shadow:none}
.key-stat .ks-k{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink3s)}

/* ---------- onboarding (first visit) ---------- */
.onboard{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;margin:clamp(20px,4vh,40px) auto 0;padding:clamp(20px,3vw,30px)}
.onboard .ob-title{font-size:19px;font-weight:600;margin-bottom:10px}
.onboard ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px 24px}
.onboard li{display:flex;gap:12px;font-size:15px;color:var(--ink2);line-height:1.5}
.onboard li::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--ice);opacity:.7;margin-top:8px;flex:none}
@media (max-width:900px){.onboard{grid-template-columns:1fr}.onboard ul{grid-template-columns:1fr}.onboard .pill{width:100%}}
#onboardWrap:not(:empty){padding-top:clamp(18px,3vh,30px)}

/* ---------- sticky filter bar ---------- */
#filterbar{position:sticky;top:var(--tb-h);z-index:40;transition:top .3s var(--ease);background:var(--bar);background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line2);border-top:1px solid var(--line2)}
.fb-inner{display:flex;align-items:center;gap:16px;padding-block:12px;min-height:calc(var(--ctl) + 24px)}
.tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;min-width:0;padding:4px;margin:-4px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
.tabs::-webkit-scrollbar{display:none}
.tabs.more{-webkit-mask-image:linear-gradient(to right,#000 calc(100% - 56px),transparent);mask-image:linear-gradient(to right,#000 calc(100% - 56px),transparent)}
[dir="rtl"] .tabs.more{-webkit-mask-image:linear-gradient(to left,#000 calc(100% - 56px),transparent);mask-image:linear-gradient(to left,#000 calc(100% - 56px),transparent)}
.tab{display:inline-flex;align-items:center;gap:10px;min-height:var(--ctl);padding:0 18px 0 20px;border-radius:999px;border:1px solid transparent;
  font-size:15.5px;font-weight:600;color:var(--ink2);white-space:nowrap;scroll-snap-align:start;flex:none;
  transition:color var(--t-fast),background var(--t-fast),border-color var(--t-fast)}
@media (hover:hover){.tab:hover{color:var(--ink);border-color:var(--line)}}
.tab .n{font-family:var(--mono);font-size:11px;font-weight:500;color:var(--ink3s);min-width:22px;height:22px;padding:0 6px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center}
.tab[aria-selected="true"]{background:var(--ice);color:var(--pill-ink);border-color:var(--ice)}
.tab[aria-selected="true"] .n{color:var(--pill-ink);border-color:rgba(10,15,19,.3)}
.tab.zero:not([aria-selected="true"]){color:var(--ink3s)}
html:not([data-theme="bone"]) .tab.zero:not([aria-selected="true"]){opacity:.7}
.fb-right{display:flex;align-items:center;gap:14px;flex:none;margin-inline-start:auto}
.sortwrap{position:relative;display:inline-flex;align-items:center;min-height:var(--ctl);border:1px solid var(--edge);border-radius:999px;padding-inline:16px 42px;gap:10px;color:var(--ink);background:transparent;transition:border-color var(--t-fast)}
.sortwrap:focus-within{border-color:var(--ice)}
@media (hover:hover){.sortwrap:hover{border-color:var(--ice)}}
.sortwrap:focus-within{outline:2px solid var(--ice);outline-offset:3px}
.sortwrap .sw-l{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink3s);white-space:nowrap}
.sortwrap select{appearance:none;-webkit-appearance:none;background:transparent;border:0;outline:0;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;min-height:calc(var(--ctl) - 2px);padding-inline-end:4px;max-width:180px;text-overflow:ellipsis}
.sortwrap select option{color:#10181D;background:#fff}
.sortwrap .sw-arw{position:absolute;inset-inline-end:16px;top:50%;transform:translateY(-50%);pointer-events:none;color:var(--ink2);width:16px;height:16px}
.count{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3s);white-space:nowrap}
.count b{color:var(--ink);font-weight:500}
.fb-select{display:none}
@media (max-width:900px){
  html.tb-tuck #filterbar{top:0}
  body.selecting #filterbar{position:static}        /* the selection bar and the sticky chrome must not stack on a phone */
  .fb-inner{flex-wrap:wrap;gap:8px 12px;padding-block:8px}
  .tabs{flex:1 1 100%;order:1}
  .fb-right{order:2;width:100%;margin-inline-start:0;justify-content:space-between;gap:10px}
  .fb-select{display:inline-flex}
  .count{display:none}
  .sortwrap{padding-inline:14px 40px;flex:0 1 auto;min-width:0;max-width:100%}   /* shrinks before the bar overflows a 320 px screen in German */
  .sortwrap select{min-width:0;max-width:100%}
  .sortwrap .sw-l{display:none}
}
.collections{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:12px}
.collections:empty{display:none}
.cchip{display:inline-flex;align-items:center;min-height:var(--ctl);padding:0 18px;border-radius:999px;border:1px solid var(--line);font-size:14.5px;font-weight:500;color:var(--ink2)}
@media (hover:hover){.cchip:hover{border-color:var(--edge);color:var(--ink)}}
.cchip[aria-pressed="true"]{border-color:var(--ice);background:rgba(188,211,223,.12);color:var(--ink)}

/* ---------- library section ---------- */
#library{position:relative;padding:clamp(26px,4vh,44px) 0 clamp(70px,10vh,120px);min-height:60vh;overflow:clip}
.grid{transition:opacity .18s ease}.grid.swap{opacity:0}
@media (prefers-reduced-motion:reduce){.grid{transition:none}}
#library .ambient{z-index:0}
#library .wrap{position:relative;z-index:1}
.lib-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:clamp(18px,3vh,28px)}
.lib-head .lh-title{font-size:clamp(20px,2.4vw,26px);font-weight:600;margin-top:8px}
.lib-head .lh-title .q{color:var(--ice)}
.note{display:inline-flex;align-items:center;gap:12px;font-size:14.5px;color:var(--ink2);padding-block:4px;padding-inline:18px 8px;border:1px solid var(--line);border-radius:var(--r2);
  background:rgba(188,211,223,.04);max-width:100%}
.note svg{width:18px;height:18px;color:var(--ice);flex:none}
.note .n-x{margin-inline-start:6px;min-height:var(--ctl);min-width:var(--ctl);display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:var(--ink2)}
@media (hover:hover){.note .n-x:hover{color:var(--ink);background:rgba(188,211,223,.1)}}
.note .n-x svg{width:16px;height:16px;color:currentColor}

.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;grid-auto-flow:dense}
@media (max-width:1199px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:699px){.grid{grid-template-columns:1fr;gap:18px}}

/* ---------- card ---------- */
@supports not (aspect-ratio:16/9){.card .thumb{height:0;padding-bottom:56.25%}.card.wide .thumb{padding-bottom:41.67%}}
.card{display:flex;flex-direction:column;padding:0;min-width:0;outline-offset:4px}
.card .thumb{position:relative;display:block;width:100%;aspect-ratio:16/9;overflow:hidden;background:#0B1116;
  border-radius:calc(var(--r4) - 1px) calc(var(--r4) - 1px) 0 0;cursor:pointer;transform:translateZ(0);isolation:isolate;text-align:start}
html[data-theme="bone"] .card .thumb{background:#DCE3E8}
.card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),opacity .4s ease;opacity:.92}
.card:focus-within .thumb img{transform:scale(1.04);opacity:1}
@media (hover:hover){.card:hover .thumb img{transform:scale(1.04);opacity:1}}
.card .thumb video.pv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s ease;pointer-events:none}
.card.previewing .thumb video.pv{opacity:1}
.card.previewing .thumb img{opacity:0}
.card .thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--ice);opacity:.55;
  background:radial-gradient(70% 90% at 30% 20%,rgba(188,211,223,.14),transparent 60%),linear-gradient(180deg,#0E151B,#080B0F)}
html[data-theme="bone"] .card .thumb .ph{background:radial-gradient(70% 90% at 30% 20%,rgba(74,107,124,.18),transparent 60%),linear-gradient(180deg,#E6EBEF,#D5DDE3)}
.card .thumb .ph svg{width:56px;height:56px}
.card .thumb .ph[hidden]{display:none}
.card .thumb::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(5,6,8,.18),transparent 32%,transparent 60%,rgba(5,6,8,.62))}
.badge{position:absolute;z-index:2;display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:#E9F1F5;background:rgba(5,7,11,.62);border:1px solid rgba(188,211,223,.22);border-radius:999px;padding:7px 11px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);white-space:nowrap}
.badge svg{width:12px;height:12px}
.badge.type{top:12px;inset-inline-start:12px}
.badge.new{top:12px;inset-inline-end:12px;color:#0A0F13;background:#BCD3DF;border-color:#BCD3DF}   /* the fill is hard-coded ice, so the ink is hard-coded too (bone otherwise paints white on pale ice) */
.badge.meta{bottom:12px;inset-inline-end:12px}
.card .thumb:has(.badge.step:not([hidden])) .badge.meta.ext{display:none}   /* a step badge and "opens in a new tab" would collide in the same row; the ↗ button says it */
.card .play{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%) scale(.92);width:64px;height:64px;border-radius:50%;
  background:rgba(5,7,11,.55);border:1px solid rgba(188,211,223,.6);display:flex;align-items:center;justify-content:center;color:#E9F1F5;
  opacity:0;transition:opacity var(--t-fast),transform var(--t-fast);pointer-events:none}
.card .play svg{width:22px;height:22px;margin-inline-start:3px}
.card .play.ext svg{margin:0}
.card:focus-within .play{opacity:1;transform:translate(-50%,-50%) scale(1)}
@media (hover:hover){.card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.card.previewing .play{opacity:0}
@media (hover:none){.card .play{opacity:.9;transform:translate(-50%,-50%)}}
.card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1;transform:translateZ(0)}
.card-title{font-size:19px;font-weight:600;line-height:1.28;letter-spacing:-.005em;color:var(--ink)}
.card-title button{font:inherit;color:inherit;text-align:start;border-radius:6px;display:block;width:100%;padding:12px 0;margin:-12px 0}
@media (hover:hover){.card-title button:hover{color:var(--ice)}}
.card-desc{font-size:15px;color:var(--ink2);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc:empty{display:none}
.card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:2px}
.card-meta .lm-l{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink3s);margin-inline-end:4px}
.card-meta.many .lm-l{flex:0 0 100%;margin:0 0 -2px}   /* three or more chips: the label takes its own line and the chips flow 2 + 2, never 1 / 2 / 1 */
.card-note{display:inline-flex;align-items:center;gap:6px;min-height:32px;font-size:13.5px;color:var(--ink2)}   /* "Opens in a new tab", in words, on every presentation card */
.card-note svg{width:14px;height:14px;color:var(--ice)}
/* language chips carry the native name (a code like KO means nothing to a novice); the code is a quiet mono suffix */
.lchip{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;min-width:48px;padding:0 14px;border-radius:999px;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink2);transition:border-color var(--t-fast),background var(--t-fast),color var(--t-fast)}
.lchip .lc-c{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink3s)}
@media (hover:hover){.lchip:hover{border-color:var(--edge);color:var(--ink)}}
.lchip.cur{border-color:var(--ice);background:rgba(188,211,223,.12);color:var(--ink)}
.lchip.cur .lc-c{color:var(--ink2)}
@media (pointer:coarse){.lchip{min-height:56px;min-width:56px}}
.fallback-chip{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;border-radius:999px;font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink2);border:1px solid var(--edge)}   /* a quiet note, not a warning: gold is rank, and only rank */
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:8px}
.act{flex:1 1 auto;min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--ctl);padding:0 12px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap;transition:transform var(--t-fast),background var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast)}
.act svg{width:17px;height:17px}
.act.primary{background:var(--ice);color:var(--pill-ink);flex-grow:1.3}
@media (hover:hover){.act.primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(188,211,223,.22)}}
.act.ghost{border:1px solid var(--edge)}
@media (hover:hover){.act.ghost:hover{border-color:var(--ice);background:rgba(188,211,223,.06)}}
/* three actions (Watch · Download · Share) lay out like the step cards in every language and width: the primary whole, the two ghosts as halves */
.card .actions:has(> .act.dl:not([hidden])) .act.primary,.card .actions:has(> .act.dl:not([hidden])) .act.ghost{flex:1 1 calc(50% - 5px)}
.card .actions:has(> .act.dl:not([hidden])) .act.primary{flex-basis:100%}
@media (max-width:480px){.act.primary{flex:1 1 100%}.act{flex:1 1 calc(50% - 5px)}}
/* phones and touch tablets: the label is a plain sans line above the chips, so the row reads as "Languages: …" and the chips are not mistaken for tags */
@media (max-width:900px){.card-meta .lm-l{flex:1 1 100%;margin:0;font-family:var(--sans);font-size:13px;letter-spacing:0;text-transform:none;color:var(--ink2)}.card-meta{gap:6px}}
@media (prefers-reduced-motion:reduce){.act,.card .thumb img{transition:none}.card.spot{animation:none}}
.card.spot{border-color:var(--ice);box-shadow:0 0 0 2px var(--ice),0 30px 80px rgba(0,0,0,.5);animation:spotpulse 1.8s ease-out 2}
@keyframes spotpulse{0%{box-shadow:0 0 0 2px var(--ice),0 0 0 10px rgba(188,211,223,.25)}100%{box-shadow:0 0 0 2px var(--ice),0 0 0 26px rgba(188,211,223,0)}}
/* featured: spans two columns as a cinematic 2.4:1 plate (crops baked-in letterbox bars) */
@media (min-width:700px){
  .card.wide{grid-column:span 2}
  .card.wide .thumb{aspect-ratio:2.4/1}
  .card.wide .card-body{padding:22px 26px 24px}
  .card.wide .card-title{font-size:clamp(22px,2.2vw,28px)}
  .card.wide .card-desc{font-size:16px}
  .card.wide .play{width:76px;height:76px}
  .card.wide .play svg{width:26px;height:26px}
}
/* selection mode */
.card .sel{position:absolute;z-index:4;top:12px;inset-inline-start:12px;display:none;align-items:center;gap:10px;min-height:var(--ctl);padding:0 16px 0 10px;border-radius:999px;
  background:rgba(5,7,11,.7);border:1px solid rgba(188,211,223,.4);color:#E9F1F5;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);font-size:14px;font-weight:600;cursor:pointer;transform:translateZ(1px)}
.card .sel .box{width:26px;height:26px;border-radius:7px;border:2px solid #E9F1F5;display:flex;align-items:center;justify-content:center;background:transparent;transition:background var(--t-fast)}
.card .sel .box svg{width:16px;height:16px;opacity:0;color:var(--pill-ink)}
.card .sel input{position:absolute;opacity:0;width:1px;height:1px}
body.selecting .card .sel{display:inline-flex}
body.selecting .card .badge.type,body.selecting .card .badge.new{opacity:0}
body.selecting .card .actions,body.selecting .card .card-meta{opacity:.35;pointer-events:none}
body.selecting .card,body.selecting .card .thumb,body.selecting .card-title button{cursor:copy}
body.selecting .card .play{display:none}
.card.selected{border-color:var(--ice);box-shadow:0 0 0 2px var(--ice)}
.card.selected .sel .box{background:var(--ice);border-color:var(--ice)}
.card.selected .sel .box svg{opacity:1}
.card .sel:focus-within{outline:2px solid var(--ice);outline-offset:3px}

/* ---------- empty state ---------- */
.empty{text-align:center;padding:clamp(60px,12vh,120px) 20px;max-width:46ch;margin:0 auto}
.empty .e-ico{width:64px;height:64px;color:var(--ice);opacity:.6;margin:0 auto 18px}
.empty h3{font-size:24px;font-weight:600}
.empty p{color:var(--ink2);margin-top:10px}
.empty .pill{margin-top:22px}

/* ---------- bulk bar ---------- */
#bulkbar{position:fixed;inset-inline:0;bottom:0;z-index:60;transform:translateY(110%);visibility:hidden;transition:transform .45s var(--ease),visibility 0s linear .45s;
  background:var(--bar2);background:color-mix(in srgb,var(--card) 86%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line);
  padding:14px var(--pad) calc(14px + env(safe-area-inset-bottom))}
#bulkbar.on{transform:none;visibility:visible;transition-delay:0s}
@media (prefers-reduced-motion:reduce){#bulkbar{transition:none}}
.bb-inner{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.bb-count{display:flex;flex-direction:column;gap:2px;margin-inline-end:auto;min-width:0;flex:1 1 160px}
.bb-count b{font-size:20px;font-weight:700;line-height:1.1}
.bb-count span{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3s)}
/* the pills shrink (and ellipsize) before the bar wraps into a second row in German / Russian / Italian */
.bb-inner .pill{flex:0 1 auto;min-width:0;padding-inline:18px}
.bb-inner .pill>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bb-inner .pill:disabled{opacity:.5;cursor:default;transform:none}   /* "All selected": nothing left to select */
.bb-note{flex:1 1 100%;font-size:13.5px;color:var(--ink3s);display:flex;align-items:center;gap:8px}
.bb-note svg{width:16px;height:16px;color:var(--ice)}
@media (max-width:900px){
  .bb-inner{gap:10px}
  /* the count has a real basis (a zero basis let "Select all" join the row and squeezed the count to a few pixels under "Exit"); a long count wraps inside its box, never over a pill */
  .bb-count{flex:1 1 130px;min-width:0;flex-direction:row;align-items:baseline;flex-wrap:wrap;gap:2px 10px;order:0}
  .bb-count b{overflow-wrap:anywhere;max-width:100%}
  #bbExit{order:1;flex:none;margin-inline-start:auto}   /* "Exit" sits in the count row */
  #bbClear{display:none}                                  /* "Select all" turns into "Clear" once everything is selected */
  #bbAll,#bbShare{order:2;flex:1 1 calc(50% - 5px)}      /* the two half pills share row two; Download stays whole on row three */
  #bbDownload{order:3;flex:1 1 100%}
  .bb-note{order:4}
  .bb-inner .pill{padding-inline:12px;font-size:15px}
}
/* tablets in portrait (and desktops at 200 % zoom): the caption stays on one line and the three action pills share one row */
@media (min-width:600px) and (max-width:900px){
  .bb-count{flex:1 1 auto}
  .bb-count span{white-space:nowrap}
  #bbAll,#bbShare,#bbDownload{order:2;flex:1 1 calc(33.333% - 8px)}
}
@media (max-width:480px){.bb-count span{display:none}}   /* the bar's own label covers it */
@media (max-width:340px){#bbAll,#bbShare{flex:1 1 100%}}  /* the words are never cut: each pill takes a row on the narrowest screens */
body.selecting{padding-bottom:calc(var(--bb-h,140px) + 24px)}
@media (max-width:700px){body.player-floating{padding-bottom:calc(93px + env(safe-area-inset-bottom))}}   /* the docked mini player (77 px + its gaps) never covers "Back to top" */

/* ---------- dialogs (share · language · viewer) ---------- */
.d1-dialog{position:fixed;inset:0;z-index:1100;display:none}
.d1-dialog.vis{display:block}
.dlg-scrim{position:absolute;inset:0;background:var(--scrim);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;transition:opacity .4s ease}
.d1-dialog.open .dlg-scrim{opacity:1}
.dlg-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);opacity:0;width:min(94vw,760px);max-height:min(92vh,900px);max-height:min(92svh,900px);overflow:auto;overscroll-behavior:contain;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r4);box-shadow:0 40px 100px rgba(0,0,0,.55);
  transition:transform .45s var(--ease),opacity .4s ease}
.d1-dialog.open .dlg-panel{transform:translate(-50%,-50%) scale(1);opacity:1}
html[data-theme="bone"] .dlg-panel{box-shadow:0 40px 100px rgba(16,24,29,.28)}
@media (prefers-reduced-motion:reduce){.dlg-panel,.dlg-scrim{transition:none}}
.dlg-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 24px 16px;border-bottom:1px solid var(--line2);position:sticky;top:0;background:var(--card);z-index:2}
.dlg-headings{min-width:0}
.dlg-title{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.2;margin-top:10px;overflow-wrap:anywhere}
.dlg-sub{font-size:14.5px;color:var(--ink2);margin-top:4px}
.dlg-x{display:inline-flex;align-items:center;gap:8px;min-height:var(--ctl);padding:0 18px 0 14px;border-radius:999px;border:1px solid var(--edge);color:var(--ink);font-size:15px;font-weight:600;flex:none;transition:border-color var(--t-fast),background var(--t-fast)}
@media (hover:hover){.dlg-x:hover{border-color:var(--ice);background:rgba(188,211,223,.06)}}
.dlg-x svg{width:18px;height:18px}
@media (max-width:700px){
  .dlg-panel.sheet{left:0;right:0;top:auto;bottom:0;width:100%;max-height:92vh;max-height:92svh;transform:translateY(100%);opacity:1;border-radius:var(--r4) var(--r4) 0 0;border-bottom:0;
    padding-bottom:env(safe-area-inset-bottom)}
  .d1-dialog.open .dlg-panel.sheet{transform:none}
  .dlg-panel.sheet::before{content:'';display:block;width:44px;height:4px;border-radius:2px;background:var(--edge);margin:10px auto 0}
  .dlg-head{padding:14px 18px 14px}
  .dlg-x{padding:0 14px 0 12px}                       /* the word stays next to the × on phones too */
}

/* share sheet */
.share-panel{width:min(94vw,860px)}
.share-panel.multi{width:min(94vw,640px)}   /* many links: no QR column, so no empty right third */
.share-panel.multi .share-body{grid-template-columns:1fr}
.share-body{display:grid;grid-template-columns:1fr 250px;gap:26px;padding:22px 24px 26px}
.share-main{display:flex;flex-direction:column;gap:16px;min-width:0}
.linkbox{display:flex;flex-direction:column;gap:8px}
.lb-label{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3s)}
.lb-row{display:flex;gap:10px;align-items:stretch}
.lb-url,.lb-multi{flex:1;min-width:0;min-height:var(--ctl);border:1px solid var(--line);border-radius:var(--r2);background:var(--bg2);padding:10px 14px;font-family:var(--mono);font-size:13px;color:var(--ink);
  user-select:all;-webkit-user-select:all;outline:0;direction:ltr;text-align:start;unicode-bidi:plaintext}
/* the whole link is visible: it wraps after ? & / (share.js adds the break opportunities), and only inside a token when that token alone is wider than the box */
.lb-url{display:flex;align-items:center;white-space:normal;overflow-wrap:anywhere;line-height:1.5}
.lb-multi{resize:none;line-height:1.7;white-space:pre;overflow:auto}
.lb-url:focus,.lb-multi:focus{border-color:var(--ice)}
.lb-url:focus-visible{outline:2px solid var(--ice);outline-offset:2px}
.lb-copy{padding-inline:16px;flex:none}
.lb-copy.done{border-color:var(--pos);color:var(--pos)}
/* presentations: the direct link waits behind "More options" — one link, one copy button, no jargon first */
.share-more{border:1px solid var(--line);border-radius:var(--r2)}
.share-more summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;min-height:var(--ctl);padding:0 14px;font-size:15px;font-weight:600;color:var(--ice)}
.share-more summary::-webkit-details-marker{display:none}
.share-more summary svg{width:16px;height:16px;transition:transform var(--t-fast)}
.share-more[open] summary svg{transform:rotate(180deg)}
.share-more .sm-body{padding:0 14px 14px;display:flex;flex-direction:column;gap:8px}
.share-more .sm-hint{font-size:13.5px;color:var(--ink3s);line-height:1.6}
.share-rows{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.share-row{display:flex;align-items:center;gap:14px;min-height:64px;padding:10px 16px;border:1px solid var(--edge);border-radius:var(--r3);color:var(--ink);font-size:16px;font-weight:600;
  transition:border-color var(--t-fast),background var(--t-fast),transform var(--t-fast)}
@media (hover:hover){.share-row:hover{border-color:var(--ice);background:rgba(188,211,223,.06);transform:translateY(-1px)}}
.share-row.done{border-color:var(--pos)}
.sr-ico{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ice);flex:none}
.sr-ico svg{width:20px;height:20px}
.share-note{font-size:13.5px;color:var(--ink3s);line-height:1.6}
.share-qr{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;padding-top:6px}
.qr-tile{background:#fff;padding:10px;border-radius:var(--r3);box-shadow:0 10px 40px rgba(0,0,0,.35);line-height:0}
.qr-canvas{display:block;image-rendering:pixelated}
.qr-cap{font-size:15px;font-weight:600;color:var(--ink);margin-top:6px}
.qr-hint{font-size:13px;color:var(--ink3s);line-height:1.55;max-width:26ch}
@media (max-width:760px){.share-body{grid-template-columns:1fr}.share-qr{order:1;padding-top:18px;border-top:1px solid var(--line2)}.share-rows{grid-template-columns:1fr}.lb-row{flex-wrap:wrap}.lb-copy{flex:1 1 100%}}

/* language dialog */
.lang-panel{width:min(94vw,860px)}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:20px 24px 10px}
.lang-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:68px;padding:10px 18px;border:1px solid var(--line);border-radius:var(--r3);color:var(--ink);text-align:start;
  transition:border-color var(--t-fast),background var(--t-fast)}
@media (hover:hover){.lang-row:hover{border-color:var(--ice);background:rgba(188,211,223,.06)}}
.lang-row>span:first-child{display:flex;flex-direction:column;min-width:0}
.lang-row .lr-n{font-size:18px;font-weight:600;line-height:1.2}
.lang-row .lr-e{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink3s);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lang-row .lr-code{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--ink3s);flex:none}
.lang-row[aria-current="true"]{border-color:var(--ice);background:rgba(188,211,223,.12)}
.lang-row[aria-current="true"] .lr-e{color:var(--ink2)}
.lang-row[aria-current="true"] .lr-code{color:var(--ice)}
.lang-row[aria-current="true"] .lr-code::before{content:'✓  '}
.lang-foot{padding:10px 24px 24px;font-size:14px;color:var(--ink3s);line-height:1.6}
/* the sheet doubles as the top bar's overflow: Support on phones, the theme toggle on the smallest ones — first thing in the sheet, right under the heading */
.lang-theme{display:none;gap:10px;flex-wrap:wrap;padding:14px 18px 0}
.lang-theme .pill{flex:1 1 200px;width:auto}
.lang-theme #langThemeBtn{display:none}
@media (max-width:900px){.lang-theme{display:flex}}
@media (max-width:400px){.lang-theme #langThemeBtn{display:inline-flex}}
.ft-help .ft-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.ft-help .ft-acts .pill{margin-top:0}
@media (max-width:900px){.lang-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.lang-grid{grid-template-columns:1fr;padding:14px 18px 8px}.lang-row{min-height:60px}}

/* viewer: pdf / image */
#viewer .dlg-panel{width:min(97vw,1400px);max-height:none;height:min(94vh,1000px);height:min(94svh,1000px);display:flex;flex-direction:column;overflow:hidden;padding:0}
#viewer .dlg-head{position:static;flex-wrap:wrap;gap:12px;padding:16px 20px}
#viewer .dlg-title{margin-top:6px;font-size:clamp(18px,2vw,22px)}
.vw-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.vw-tools .pill{padding-inline:18px;font-size:15px}
.vw-tools .lchip{min-height:var(--ctl);min-width:var(--ctl)}
.vw-stage{position:relative;flex:1;min-height:0;background:#06080A;display:flex;align-items:center;justify-content:center;overflow:auto}
html[data-theme="bone"] .vw-stage{background:#E4E7EA}
.vw-stage iframe{width:100%;height:100%;border:0;background:#fff}
.vw-stage img{max-width:100%;max-height:100%;object-fit:contain;cursor:zoom-in;transition:transform .35s var(--ease)}
@media (prefers-reduced-motion:reduce){.vw-stage img{transition:none}}
.vw-stage.zoomed{display:block}
.vw-stage.zoomed img{max-width:none;max-height:none;width:auto;height:auto;cursor:zoom-out;margin:0 auto}
.vw-fallback{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:30px;color:var(--ink2);z-index:0;overflow:auto}
.vw-fallback .vw-poster{max-height:min(52vh,560px);width:auto;max-width:100%;border-radius:var(--r2);border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.4)}
.vw-fallback p{max-width:44ch;font-size:16px}
.vw-stage iframe{position:relative;z-index:1}
.vw-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:var(--ctl);height:var(--ctl);border-radius:50%;background:rgba(5,7,11,.6);border:1px solid rgba(188,211,223,.4);color:#E9F1F5;display:flex;align-items:center;justify-content:center}
.vw-nav.prev{inset-inline-start:14px}.vw-nav.next{inset-inline-end:14px}
.vw-nav svg{width:20px;height:20px}
[dir="rtl"] .vw-nav svg,[dir="rtl"] .arw{transform:scaleX(-1)}
.vw-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line2);font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3s)}
@media (max-width:700px){
  #viewer .dlg-panel{width:100%;height:100vh;height:100svh;border-radius:0;border:0;left:0;top:0;transform:none;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
  .d1-dialog.open #viewer .dlg-panel,#viewer.open .dlg-panel{transform:none}
  #viewer .dlg-head{padding:12px 14px}
  .vw-tools{width:100%;justify-content:flex-start}   /* the tools wrap to a third row rather than losing their words (Zoom in / Share stay labelled like Download) */
}

/* ---------- toasts ---------- */
#toasts{position:fixed;inset-inline:0;bottom:calc(22px + env(safe-area-inset-bottom));z-index:1200;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;transition:bottom .3s ease}
body.selecting #toasts{bottom:calc(var(--bb-h,150px) + 16px)}
.toast{pointer-events:auto;display:flex;align-items:center;gap:12px;min-height:var(--ctl);padding:10px 20px;border-radius:999px;background:var(--card);border:1px solid var(--edge);color:var(--ink);
  font-size:15.5px;font-weight:600;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 18px 50px rgba(0,0,0,.4);max-width:min(92vw,560px);
  opacity:0;transform:translateY(12px) scale(.98);transition:opacity .35s ease,transform .45s var(--ease)}
.toast.in{opacity:1;transform:none}
.toast svg{width:18px;height:18px;color:var(--ice);flex:none}
.toast .t-act{margin-inline-start:6px;color:var(--ice);text-decoration:underline;text-underline-offset:4px;min-height:var(--ctl);display:inline-flex;align-items:center;padding:0 8px}
.toast .spin{width:18px;height:18px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--ice);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.toast{transition:none}.toast .spin{animation:none}}

/* ---------- footer ---------- */
#footer{position:relative;overflow:clip;padding:clamp(70px,10vh,120px) 0 calc(50px + env(safe-area-inset-bottom));border-top:1px solid var(--line2)}
#footer .wrap{position:relative;z-index:1}
.ft-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(28px,5vw,70px);align-items:start}
.ft-mark{width:56px;opacity:.9;margin-bottom:22px}
.ft-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.2;max-width:22ch}
.ft-note{font-size:15.5px;color:var(--ink2);margin-top:14px;max-width:48ch;line-height:1.65}
.ft-help{padding:clamp(20px,3vw,28px)}
.ft-help h3{font-size:18px;font-weight:600;margin-bottom:8px}
.ft-help p{font-size:15px;color:var(--ink2);line-height:1.65}
.ft-help .pill{margin-top:18px}
.ft-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:clamp(40px,6vh,70px);padding-top:22px;border-top:1px solid var(--line2)}
.ft-bottom .stamp{font-size:10.5px}
@media (max-width:900px){.ft-grid{grid-template-columns:1fr}}

/* back to top */
/* lives in the gutter beside the content column when there is one; hidden while reading down, while a film floats, and when the footer (with its own control) is on screen */
#toTop{position:fixed;inset-inline-end:max(18px,calc((100vw - var(--maxw)) / 2 - 172px));bottom:calc(18px + env(safe-area-inset-bottom));z-index:55;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(10px);
  transition:opacity var(--t-fast),transform var(--t-fast),visibility 0s linear .35s}
#toTop.on{opacity:1;visibility:visible;pointer-events:auto;transform:none;transition-delay:0s}
body.player-floating #toTop{opacity:0;visibility:hidden;pointer-events:none}
body.selecting #toTop{bottom:calc(var(--bb-h,150px) + 16px)}
@media (max-width:900px){#toTop{display:none}}

/* misc */
.spinner{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--ice);animation:spin 1s linear infinite}
.loading{display:flex;align-items:center;justify-content:center;gap:14px;padding:60px 0;color:var(--ink2)}
@media print{#topbar,#filterbar,#dust,#bulkbar,#toasts,#toTop{display:none !important}}
@media (prefers-reduced-motion:reduce){.door,.js-item,.share-row,.tb-chip,.act,.tab,.lchip,.dlg-x{transition:none}.card.spot{animation:none}}

/* ============================================================
   THE GUIDED PATH (SPEC §7) — the Book's contents spread as a
   connected stepper: numbered mono nodes on an ice line that draws
   itself as you scroll, tilt cards, the current step glowing, the fork
   as two doors, the optional tools group quieter.
   ============================================================ */
.cta-row .pill{white-space:normal;text-align:center;line-height:1.25}
.cta-row .pill.primary{padding-inline:26px 22px}
#path{position:relative;overflow:clip;padding:clamp(56px,9vh,110px) 0 clamp(54px,8vh,96px);border-bottom:1px solid var(--line2);min-height:60vh}
#path .ambient{z-index:0}
#path .wrap{position:relative;z-index:1}
.path-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px 40px;flex-wrap:wrap;margin-bottom:clamp(30px,5vh,54px)}
.path-headings{min-width:0;max-width:720px}
.path-head .h-spread{margin-top:18px;max-width:20ch}
.path-head .lede{margin-top:16px}
.path-meter{display:flex;flex-direction:column;gap:10px;align-items:flex-end;min-width:200px;padding-bottom:6px}
.path-meter .pm-l{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3s);white-space:nowrap}
.path-meter .pm-l b{color:var(--ice);font-weight:700}
.path-meter .pm-bar{width:220px;max-width:100%;height:2px;background:var(--line);position:relative;overflow:hidden;border-radius:2px}
.path-meter .pm-bar i{position:absolute;inset-block:0;inset-inline-start:0;width:var(--p,0%);background:var(--ice);box-shadow:0 0 12px rgba(188,211,223,.6);transition:width 1.2s var(--ease)}
@media (prefers-reduced-motion:reduce){.path-meter .pm-bar i{transition:none}}
@media (max-width:900px){.path-meter{align-items:flex-start;width:100%}.path-meter .pm-bar{width:100%}}

/* the stepper grid + the drawn connector */
.jsteps{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(26px,3vw,38px) 22px;padding-top:4px}
.jline{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0}
.jline path{fill:none;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.jline .jl-track{stroke:var(--line);stroke-width:1.5}
.jline .jl-ink{stroke:var(--ice);stroke-width:1.5;filter:drop-shadow(0 0 5px rgba(188,211,223,.55));transition:stroke-dashoffset .4s linear}
html[data-theme="bone"] .jline .jl-ink{filter:none;stroke-width:2}
@media (prefers-reduced-motion:reduce){.jline .jl-ink{transition:none}}
.jcell{position:relative;z-index:1;display:flex;flex-direction:column;min-width:0}
.jcell.fork{grid-column:1/-1}
.jcell.other{z-index:1}
.js-rail{display:flex;align-items:center;min-height:44px;margin-bottom:16px}
.js-node{width:44px;height:44px;border-radius:50%;border:1px solid var(--edge);background:var(--bg);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--ink3);flex:none;position:relative;
  filter:blur(3px);opacity:.45;
  transition:color .6s ease,border-color .6s ease,background .6s ease,box-shadow .6s ease,filter .7s ease,opacity .7s ease}
.js-node.lit{filter:none;opacity:1;color:var(--ink);border-color:var(--ice-dim)}
.jcell.done .js-node{background:var(--ice);color:var(--pill-ink);border-color:var(--ice)}
.jcell.cur .js-node.lit{color:var(--ice);border-color:var(--ice);box-shadow:0 0 0 4px rgba(188,211,223,.14),0 0 24px rgba(188,211,223,.4)}
.jcell.cur .js-node::after{content:'';position:absolute;inset:-1px;border-radius:50%;border:1px solid var(--ice);animation:jnode 2.6s ease-out infinite}
@keyframes jnode{0%{transform:scale(1);opacity:.8}70%{transform:scale(1.75);opacity:0}100%{transform:scale(1.75);opacity:0}}
.jcell.other .js-node,.jcell.ghost .js-node{border-style:dashed}
/* the two steps that wait inside the doors: a ghost cell explains the 04 → 07 gap before a door is chosen */
.jcell.ghost{align-self:start}
.jghost{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;padding:22px 20px;min-height:140px;border:1px dashed var(--edge);border-radius:var(--r4);
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;line-height:1.9;color:var(--ink3s)}
.jghost b{display:block;font-weight:700;color:var(--ink2)}
@media (prefers-reduced-motion:reduce){.js-node{filter:none;opacity:1;transition:none}.jcell.cur .js-node::after{animation:none;opacity:0}}

/* step card */
.jstep{display:flex;flex-direction:column;flex:1;padding:0;min-width:0}
.jcell.other .jstep{border-style:dashed;opacity:.72;transition:opacity var(--t-fast)}
.jcell.other .jstep:focus-within{opacity:1}
@media (hover:hover){.jcell.other .jstep:hover{opacity:1}}
.jcell.done .jstep .js-thumb img{opacity:.7}
@supports not (aspect-ratio:16/9){.js-thumb{height:0;padding-bottom:56.25%}}
.js-thumb{position:relative;display:block;width:100%;aspect-ratio:16/9;overflow:hidden;background:#0B1116;
  border-radius:calc(var(--r4) - 1px) calc(var(--r4) - 1px) 0 0;cursor:pointer;isolation:isolate;text-align:start;transform:translateZ(0)}
html[data-theme="bone"] .js-thumb{background:#DCE3E8}
.js-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform 1.2s var(--ease),opacity .4s ease}
.jstep:focus-within .js-thumb img{transform:scale(1.04);opacity:1}
@media (hover:hover){.jstep:hover .js-thumb img{transform:scale(1.04);opacity:1}}
@media (prefers-reduced-motion:reduce){.js-thumb img{transition:none;transform:none}}
.js-thumb::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(5,6,8,.14),transparent 30%,transparent 62%,rgba(5,6,8,.6))}
.js-thumb .badge{z-index:2}
.js-play{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%) scale(.94);width:68px;height:68px;border-radius:50%;
  background:rgba(5,7,11,.55);border:1px solid rgba(188,211,223,.62);display:flex;align-items:center;justify-content:center;color:#E9F1F5;
  opacity:0;transition:opacity var(--t-fast),transform var(--t-fast);pointer-events:none}
.js-play svg{width:24px;height:24px;margin-inline-start:3px}
.js-play.ext svg{margin:0}
.jstep:focus-within .js-play,.jcell.cur .js-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
@media (hover:hover){.jstep:hover .js-play{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@media (hover:none){.js-play{opacity:.9;transform:translate(-50%,-50%)}}
.js-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1;transform:translateZ(0)}
.js-eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink3s);min-width:0;flex-wrap:wrap}
.js-eyebrow .js-num{color:var(--ice-dim)}
.js-eyebrow .js-opt{color:var(--ice-dim)}
.js-title{font-size:clamp(20px,2vw,24px);font-weight:600;line-height:1.22;letter-spacing:-.005em;color:var(--ink)}
.js-blurb{font-size:15.5px;color:var(--ink2);line-height:1.55}
.js-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:2px}
.js-state{display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:0 12px;border-radius:999px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  border:1px solid var(--line);color:var(--ink3s);white-space:nowrap}
.js-state svg{width:13px;height:13px}
.js-state.done{color:var(--pos);border-color:rgba(127,214,164,.45)}
html[data-theme="bone"] .js-state.done{border-color:rgba(30,122,76,.45)}
.js-state.up{color:var(--pill-ink);background:var(--ice);border-color:var(--ice);font-weight:700;box-shadow:0 0 18px rgba(188,211,223,.35)}
.js-actions{display:flex;flex-direction:column;gap:6px;margin-top:auto;padding-top:10px}
.js-actions>.pill{width:100%}
.js-sec{display:flex;gap:8px;flex-wrap:wrap}
.js-sec .pill{flex:1 1 auto;min-width:0;padding-inline:14px;font-size:15px}
.js-sec .pill>span{overflow:hidden;text-overflow:ellipsis}
.js-alt{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--ctl);padding:0 12px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink2);
  text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:5px;transition:color var(--t-fast),text-decoration-color var(--t-fast);text-align:center}
@media (hover:hover){.js-alt:hover{color:var(--ice);text-decoration-color:var(--ice)}}
.js-alt svg{width:16px;height:16px;flex:none}

/* the current step glows */
.jcell.cur .jstep{border-color:var(--ice);animation:jglow 3.4s ease-in-out infinite alternate}
.jcell.cur .jstep::after{content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:1;
  background:radial-gradient(70% 45% at 50% 0%,rgba(188,211,223,.16),transparent 70%)}
@keyframes jglow{
  from{box-shadow:0 0 0 1px var(--ice),0 0 0 8px rgba(188,211,223,.06),0 26px 80px rgba(188,211,223,.14),0 30px 80px rgba(0,0,0,.45)}
  to{box-shadow:0 0 0 1px var(--ice),0 0 0 12px rgba(188,211,223,.03),0 26px 110px rgba(188,211,223,.3),0 30px 80px rgba(0,0,0,.45)}}
html[data-theme="bone"] .jcell.cur .jstep{animation:jglowb 3.4s ease-in-out infinite alternate}
@keyframes jglowb{
  from{box-shadow:0 0 0 1px var(--ice),0 0 0 8px rgba(74,107,124,.08),0 26px 70px rgba(74,107,124,.16)}
  to{box-shadow:0 0 0 1px var(--ice),0 0 0 12px rgba(74,107,124,.04),0 26px 90px rgba(74,107,124,.3)}}
@media (prefers-reduced-motion:reduce){.jcell.cur .jstep,html[data-theme="bone"] .jcell.cur .jstep{animation:none;box-shadow:0 0 0 1px var(--ice),0 0 0 8px rgba(188,211,223,.06),0 26px 90px rgba(188,211,223,.2)}}
/* deep link / "Start here" spotlight */
.jcell.spot>.jstep,.jcell.spot>.jfork{outline:2px solid var(--ice);outline-offset:8px;animation:jspot 1.6s ease-out 3}
@keyframes jspot{0%{outline-offset:4px;outline-color:var(--ice)}100%{outline-offset:16px;outline-color:transparent}}
@media (prefers-reduced-motion:reduce){.jcell.spot>.jstep,.jcell.spot>.jfork{animation:none}}

/* the fork: two doors (the Book's "Two ways to read on") */
.jfork{position:relative;padding:clamp(22px,3vw,36px);display:flex;flex-direction:column;gap:18px;border:1px solid var(--line);border-radius:var(--r4);
  background:linear-gradient(180deg,var(--card),var(--card2));overflow:hidden}
.jfork::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 90% at 50% 0%,rgba(188,211,223,.08),transparent 60%)}
.jcell.cur .jfork{border-color:var(--ice);box-shadow:0 0 0 1px var(--ice),0 0 0 8px rgba(188,211,223,.05),0 26px 90px rgba(188,211,223,.14)}
.jf-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px 30px;flex-wrap:wrap;position:relative}
.jf-q{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.01em;line-height:1.12;margin-top:10px;max-width:22ch}
.jf-doors{display:grid;grid-template-columns:1fr 1fr;gap:18px;position:relative}
.door{position:relative;display:flex;flex-direction:column;gap:12px;padding:clamp(20px,2.6vw,30px);text-align:start;min-height:220px;width:100%;
  border:1px solid var(--line);border-radius:var(--r3);background:linear-gradient(180deg,rgba(188,211,223,.05),rgba(188,211,223,.01));color:var(--ink);
  transition:border-color var(--t-fast),opacity var(--t-fast),box-shadow var(--t-fast),background var(--t-fast),transform .55s var(--ease)}
@media (hover:hover){
  .door:hover{border-color:var(--ice);box-shadow:0 28px 70px rgba(0,0,0,.45)}
  html[data-theme="bone"] .door:hover{box-shadow:0 24px 60px rgba(16,24,29,.16)}
}
.door .d-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ice-dim)}
.door .d-title{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.01em;line-height:1.1}
.door .d-desc{font-size:15.5px;color:var(--ink2);line-height:1.6;max-width:40ch;font-weight:300}
.door .d-go{display:inline-flex;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-weight:700;font-size:16px;color:var(--ice);min-height:var(--ctl)}
.door .d-go svg{width:18px;height:18px}
.door.chosen{border-color:var(--ice);background:linear-gradient(180deg,rgba(188,211,223,.14),rgba(188,211,223,.03));box-shadow:0 0 0 1px var(--ice),0 20px 60px rgba(188,211,223,.12)}
.door.chosen .d-go{color:var(--ink)}
.door.chosen .d-go svg{width:18px;height:18px;color:var(--ice)}
/* the other door steps back by colour, not opacity: it stays a readable (≥ 4.6:1), focusable way to switch paths */
.jfork.picked .door:not(.chosen){border-color:var(--line);background:none}
.jfork.picked .door:not(.chosen) .d-title{color:var(--ink2)}
.jfork.picked .door:not(.chosen) :is(.d-desc,.d-eyebrow){color:var(--ink3s)}
.jfork.picked .door:not(.chosen) .d-go{color:var(--ice-dim)}
.jfork.picked .door:not(.chosen):focus-visible{border-color:var(--ice)}
@media (hover:hover){.jfork.picked .door:not(.chosen):hover{border-color:var(--ice)}.jfork.picked .door:not(.chosen):hover .d-title{color:var(--ink)}}
.jf-foot{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;flex-wrap:wrap;position:relative;min-height:var(--ctl)}
.jf-foot .stamp{font-size:10.5px}
.js-link{display:inline-flex;align-items:center;gap:8px;min-height:var(--ctl);padding:0 6px;font-size:15px;font-weight:600;color:var(--ice);text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--line)}
@media (hover:hover){.js-link:hover{text-decoration-color:var(--ice)}}
.js-link svg{width:16px;height:16px}
@media (max-width:760px){.jf-doors{grid-template-columns:1fr}.door{min-height:0}}

/* the optional tools group — quieter */
.jcell.group .jstep{background:transparent;border-style:dashed}
@media (hover:hover){.jcell.group .jstep:hover{background:linear-gradient(180deg,rgba(188,211,223,.03),transparent)}}
.js-items{display:grid;gap:10px;margin-top:4px}
.js-item{display:grid;grid-template-columns:92px minmax(0,1fr) auto;gap:12px;align-items:center;padding:8px 12px 8px 8px;border:1px solid var(--line);border-radius:var(--r3);color:var(--ink);text-align:start;
  min-height:calc(var(--ctl) + 16px);transition:border-color var(--t-fast),background var(--t-fast),transform var(--t-fast)}
@media (hover:hover){.js-item:hover{border-color:var(--ice);background:rgba(188,211,223,.05);transform:translateY(-1px)}}
.js-item img{width:92px;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:#0B1116}
.js-item .ji-txt{display:flex;flex-direction:column;min-width:0}
.js-item .ji-t{font-weight:600;font-size:15px;line-height:1.3}
.js-item .ji-s{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3s);margin-top:4px;display:flex;align-items:center;gap:6px}
.js-item .ji-s.done{color:var(--pos)}
.js-item .ji-s svg{width:12px;height:12px}
.js-item .ji-go{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--ice);white-space:nowrap;min-height:var(--ctl);padding:0 6px}
.js-item .ji-go svg{width:16px;height:16px}
@media (max-width:480px){.js-item{grid-template-columns:84px minmax(0,1fr)}.js-item img{width:84px}.js-item .ji-go{grid-column:2;justify-self:start;min-height:40px}}

/* spans: the group fills the columns left after the branch steps; a lone step before the fork widens */
@media (min-width:1200px){
  .jcell.group[data-rem3="2"]{grid-column:span 2}.jcell.group[data-rem3="3"]{grid-column:1/-1}
  .jcell[data-w3="2"]{grid-column:span 2}.jcell[data-w3="3"]{grid-column:1/-1}
  .jcell[data-w3="2"] .jstep,.jcell[data-w3="3"] .jstep,.jcell.group[data-rem3="3"] .jstep{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}
  .jcell[data-w3="2"] .js-thumb,.jcell[data-w3="3"] .js-thumb{aspect-ratio:auto;height:100%;min-height:240px;border-radius:calc(var(--r4) - 1px) 0 0 calc(var(--r4) - 1px)}
  [dir="rtl"] .jcell[data-w3="2"] .js-thumb,[dir="rtl"] .jcell[data-w3="3"] .js-thumb{border-radius:0 calc(var(--r4) - 1px) calc(var(--r4) - 1px) 0}
  .jcell.group[data-rem3="3"] .jstep{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
  .jcell.group[data-rem3="3"] .js-items{grid-column:2;grid-row:1/span 2;align-self:center;margin:20px 22px 20px 0}
  [dir="rtl"] .jcell.group[data-rem3="3"] .js-items{margin:20px 0 20px 22px}
  .jcell.group[data-rem3="3"] .js-body{grid-column:1}
}
@media (max-width:1199px) and (min-width:700px){
  .jcell.group[data-rem2="2"]{grid-column:1/-1}
  .jcell[data-w2="2"]{grid-column:1/-1}
  .jcell[data-w2="2"] .jstep{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .jcell[data-w2="2"] .js-thumb{aspect-ratio:auto;height:100%;min-height:240px;border-radius:calc(var(--r4) - 1px) 0 0 calc(var(--r4) - 1px)}
  [dir="rtl"] .jcell[data-w2="2"] .js-thumb{border-radius:0 calc(var(--r4) - 1px) calc(var(--r4) - 1px) 0}
  .jsteps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:699px){
  .jsteps{grid-template-columns:1fr;gap:22px;padding-inline-start:60px}
  .js-rail{position:absolute;inset-inline-start:-60px;top:0;margin:0;min-height:0}
  .jcell.fork .js-rail{top:0}
  .jfork{padding:20px 18px}
  .jf-q{font-size:24px}
  .js-body{padding:18px 18px 20px}
}

/* section footer: the completion note + the reset link */
.path-foot{display:flex;align-items:center;justify-content:space-between;gap:14px 24px;flex-wrap:wrap;margin-top:clamp(26px,4vh,40px)}
.path-foot:empty{display:none}
.pf-done{display:flex;align-items:center;gap:14px;padding:16px 22px;border:1px solid rgba(127,214,164,.4);border-radius:var(--r3);color:var(--ink);font-size:16px;font-weight:500;background:rgba(127,214,164,.06);max-width:100%}
.pf-done svg{width:22px;height:22px;color:var(--pos);flex:none}
.pf-reset{display:inline-flex;align-items:center;gap:8px;min-height:var(--ctl);padding:0 10px;font-size:15px;color:var(--ink3s);text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--line);margin-inline-start:auto}
@media (hover:hover){.pf-reset:hover{color:var(--ink);text-decoration-color:var(--ink)}}
#pathTitle:focus{outline:none}   /* takes the focus after "Reset my progress" removes itself; the spotlight moves it on to step 01 */
.pf-reset svg{width:16px;height:16px}

/* library grid: the "Step 01" badge in recommended order */
.badge.step{bottom:12px;inset-inline-start:12px;color:#0A0F13;background:#BCD3DF;border-color:#BCD3DF;font-weight:700}
.badge.step svg{width:11px;height:11px}
body.selecting .card .badge.step{opacity:0}

/* phones: reading copy at 16 px (the base is 17; only mono stamps sit below) */
@media (max-width:700px){.card-desc,.js-blurb,.door .d-desc,.onboard li,.tab,.ft-note,.ft-help p,.js-alt,.js-item .ji-t,.dlg-sub,.share-note,.qr-hint,.bb-note,.lang-foot,.note,.act,.lchip,.sel-l,.dlg-x,.toast,.qr-cap,.js-link,.sortwrap select{font-size:16px}}

/* ============================================================
   NEXT EVENT (SPEC-ADMIN §8.1) — one glass card under the path:
   the countdown in mono ice, the title, the time in the visitor's
   zone, one Join pill. Hidden until /api/events/upcoming has one.
   ============================================================ */
#nextEvent{position:relative;padding:clamp(28px,5vh,52px) 0 clamp(8px,2vh,20px)}
.ne-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:22px clamp(22px,3vw,40px);align-items:center;padding:clamp(20px,3vw,30px)}
.ne-card.has-img{grid-template-columns:auto auto minmax(0,1fr) auto}
.ne-img{width:200px;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r1);border:1px solid var(--line);background:var(--bg2)}
.ne-when{display:flex;flex-direction:column;gap:6px;min-width:150px;padding-inline-end:clamp(18px,2.5vw,34px);border-inline-end:1px solid var(--line2)}
.ne-when .ne-l{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink3s);white-space:nowrap}
.ne-when .ne-v{font-family:var(--mono);font-weight:700;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.02em;color:var(--ice);line-height:1.1;text-shadow:0 0 30px rgba(188,211,223,.22);font-variant-numeric:tabular-nums;white-space:nowrap}
.ne-card.live .ne-when .ne-v{color:var(--pos);text-shadow:0 0 30px rgba(127,214,164,.3);display:inline-flex;align-items:center;gap:12px;font-size:clamp(20px,2.2vw,26px);white-space:normal}
.ne-card.live .ne-when .ne-v::before{content:'';width:10px;height:10px;border-radius:50%;background:var(--pos);box-shadow:0 0 0 0 rgba(127,214,164,.6);animation:nelive 1.8s ease-out infinite;flex:none}
@keyframes nelive{0%{box-shadow:0 0 0 0 rgba(127,214,164,.6)}100%{box-shadow:0 0 0 12px rgba(127,214,164,0)}}
@media (prefers-reduced-motion:reduce){.ne-card.live .ne-when .ne-v::before{animation:none}}
.ne-main{min-width:0}
.ne-title{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.2;margin-top:12px;overflow-wrap:anywhere}
.ne-meta{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:15.5px;color:var(--ink2);line-height:1.5}
.ne-meta .ne-time{color:var(--ink);font-weight:500}
.ne-meta .ne-zone{font-size:13.5px;color:var(--ink3s);flex:1 1 100%}
.ne-act{display:flex;flex-direction:column;align-items:flex-end;gap:8px;flex:none}
.ne-act .ne-note{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink3s)}
.ne-act .ne-note svg{width:13px;height:13px;color:var(--ice)}
@media (max-width:900px){
  .ne-card,.ne-card.has-img{grid-template-columns:1fr}
  .ne-img{width:100%;max-width:420px}
  .ne-when{border-inline-end:0;border-bottom:1px solid var(--line2);padding:0 0 16px;min-width:0}
  .ne-act{align-items:stretch}
  .ne-act .pill{width:100%}
  .ne-act .ne-note{justify-content:center}
}