@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:"JetBrains Mono", ui-monospace, "Courier New", monospace;--ease-out:cubic-bezier(0, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-paper:#eef1ef;--color-surface:#fff;--color-surface-2:#f6f8f7;--color-line:#dbe3e0;--color-line-strong:#c3cfcb;--color-ink:#122320;--color-ink-dim:#3a4a47;--color-muted:#63736f;--color-muted-2:#8b9994;--color-turq:#0da093;--color-turq-ink:#077268;--color-turq-deep:#0a5e56;--color-turq-tint:#e3f4f1;--color-saffron:#de9426;--color-saffron-ink:#8f5e12;--color-saffron-tint:#fbeed8;--color-term:#0e1a18;--font-fa:"Vazirmatn", Tahoma, system-ui, sans-serif;--font-en:"Inter", system-ui, -apple-system, sans-serif;--shadow-soft:0 1px 2px #1223200a, 0 8px 24px #1223200f;--shadow-lift:0 2px 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var(--color-turq);box-shadow:var(--shadow-soft);border-radius:14px;border-start-start-radius:6px;border-end-start-radius:6px;grid-template-columns:minmax(180px,250px) 1fr;align-items:center;gap:18px;padding:16px 20px;display:grid}.plane.hero{background:var(--color-turq-tint);border-color:var(--color-turq);border-inline-start-color:var(--color-turq-deep)}.plane.infra{border-inline-start-color:var(--color-saffron);background:#fdf7ed}@supports (color:color-mix(in lab, red, red)){.plane.infra{background:color-mix(in oklab, var(--color-saffron-tint) 45%, white)}}.plane .plabel{flex-direction:column;gap:4px;display:flex}.plane .plabel .tk{color:var(--color-ink);font-size:clamp(13px,1.25vw,16px);font-weight:700}.plane.hero .plabel .tk{color:var(--color-turq-deep)}.plane .sub{color:var(--color-muted);font-size:12.5px;line-height:1.5}.plane .sub.accent{color:var(--color-turq-ink)}.plane .pbody{flex-wrap:wrap;gap:8px;display:flex}.pconn{color:var(--color-line-strong);-webkit-user-select:none;user-select:none;justify-content:center;padding:5px 0;font-size:15px;line-height:1;display:flex}.pconn:before{content:"↓"}.pconn.up:before{content:"↑"}.flow{flex-wrap:wrap;align-items:stretch;gap:10px;display:flex}.flow.vert{flex-direction:column;align-items:stretch}.fnode{background:var(--color-surface);border:1px solid var(--color-line);box-shadow:var(--shadow-soft);text-align:center;border-radius:11px;flex-direction:column;justify-content:center;gap:5px;padding:11px 15px;display:flex}.flow.vert .fnode{text-align:start}.fnode .tk{color:var(--color-ink);font-size:13px;font-weight:600}.fnode .sub{color:var(--color-muted);font-size:11.5px;line-height:1.45}.fnode.hero{background:var(--color-turq-tint);border-color:var(--color-turq)}.fnode.hero .tk{color:var(--color-turq-deep);font-weight:700}.fnode.hero 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.title{max-width:22ch}.pipe{flex-wrap:wrap;align-items:center;gap:10px;padding:14px 0 4px;display:flex;position:relative}.pipe .stop{font-family:var(--font-mono);border:1px solid var(--color-line);background:var(--color-surface);color:var(--color-ink-dim);direction:ltr;unicode-bidi:isolate;border-radius:999px;padding:5px 11px;font-size:11.5px}.pipe .rail{background:var(--color-line-strong);border-radius:999px;flex:40px;min-width:34px;height:2px;position:relative;overflow:visible}.pipe .rail:after{content:"";background:var(--color-turq);width:8px;height:8px;box-shadow:0 0 0 4px var(--turq-glow);border-radius:999px;animation:4.6s linear infinite dot;position:absolute;top:-3px}html[dir=ltr] .pipe .rail:after{animation-name:dot-ltr}.pipe .rail:first-of-type:after{animation-delay:0s}.pipe .rail:nth-of-type(2):after{animation-delay:1.15s}.pipe .rail:nth-of-type(3):after{animation-delay:2.3s}@keyframes 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1fr;gap:16px;display:grid}.ccard{background:var(--color-surface);border:1px solid var(--color-line);border-inline-start:4px solid var(--accent,var(--color-turq));color:inherit;box-shadow:var(--shadow-soft);border-radius:16px;border-start-start-radius:7px;border-end-start-radius:7px;flex-direction:column;gap:9px;padding:20px 22px;text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;position:relative}.ccard:hover{box-shadow:var(--shadow-lift);border-color:var(--accent,var(--color-turq));transform:translateY(-3px)}.ccard .cidx{font-family:var(--font-mono);color:var(--accent,var(--color-turq));direction:ltr;font-size:30px;font-weight:800;line-height:1}.ccard .ctag{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted-2);direction:ltr;unicode-bidi:isolate;font-size:11px}.ccard .ctitle{color:var(--color-ink);font-size:clamp(17px,1.9vw,22px);font-weight:800;line-height:1.35}.ccard .cdesc{color:var(--color-muted);font-size:13.5px;line-height:1.7}.ccard .cfoot{color:var(--color-muted-2);border-top:1px solid var(--color-line);justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-size:12px;display:flex}.ccard .go{color:var(--accent,var(--color-turq));font-size:16px}html[dir=rtl] .ccard .go:before{content:"←"}html[dir=ltr] .ccard .go:before{content:"→"}.lfoot{color:var(--color-muted-2);border-top:1px solid var(--color-line);padding-top:14px;font-size:12px}.chips{flex-wrap:wrap;gap:8px;display:flex}.vword{font-family:var(--font-mono);letter-spacing:-.03em;background:linear-gradient(100deg, var(--color-turq-deep), var(--color-turq));color:#0000;direction:ltr;-webkit-background-clip:text;background-clip:text;font-size:clamp(40px,8.5vw,92px);font-weight:800;line-height:1}.statement{flex-direction:column;gap:16px;max-width:24ch;display:flex}.statement.center{text-align:center;align-items:center;max-width:30ch;margin-inline:auto}.statement-lead{letter-spacing:-.015em;color:var(--color-ink);font-size:clamp(26px,4.4vw,56px);font-weight:800;line-height:1.12}.statement-lead .hl{color:var(--color-turq)}.statement-sub{color:var(--color-ink-dim);max-width:40ch;font-size:clamp(15px,1.7vw,21px);line-height:1.7}.equation{flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(10px,1.5vw,22px);padding:8px 0;display:flex}.eq-side{text-align:center;min-width:190px;box-shadow:var(--shadow-soft);border-radius:16px;padding:18px 22px}.eq-a{background:#fdf6ea}@supports (color:color-mix(in lab, red, red)){.eq-a{background:color-mix(in oklab, var(--color-saffron-tint) 55%, white)}}.eq-a{border:1px solid 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.cover-title{letter-spacing:0;max-width:26ch}.cover-rule{background:linear-gradient(90deg, var(--color-turq), var(--color-saffron));border-radius:999px;width:clamp(120px,22vw,300px);height:4px;margin-block:4px 2px}html[dir=rtl] .cover-rule{background:linear-gradient(270deg, var(--color-turq), var(--color-saffron))}.cover-sub{color:var(--color-ink-dim);max-width:54ch;margin-block-start:6px;font-size:clamp(15px,1.75vw,21px);line-height:1.85}.eqband{border:1px solid var(--color-line);background:color-mix(in srgb, var(--color-surface) 88%, transparent);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-shadow:var(--shadow-soft);border-radius:16px;grid-template-columns:1fr auto 1fr auto minmax(140px,.9fr);align-items:stretch;gap:0;display:grid;position:relative;overflow:hidden}.eqband:before{content:"";inset-inline:18%;background:linear-gradient(90deg, var(--color-saffron), var(--color-turq), 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