:root{--p-sand-50: #f6f1e7;--p-sand-100: #e8e0d0;--p-sand-200: #c9c0b4;--p-sand-300: #a89e8f;--p-sand-400: #7d7568;--p-sand-500: #5a5249;--p-sand-600: #3a3530;--p-sand-700: #2a2622;--p-sand-800: #1f1c18;--p-sand-850: #1a1714;--p-sand-900: #141210;--p-sand-950: #0a0908;--p-amber-50: #fff1e6;--p-amber-100: #fadcc0;--p-amber-200: #f5c298;--p-amber-300: #f0a872;--p-amber-400: #ea915a;--p-amber-500: #E07A4A;--p-amber-600: #c2663b;--p-amber-700: #9e5230;--p-amber-800: #783e25;--p-amber-900: #4d2818;--p-green-100: #d2eed9;--p-green-400: #7ad79a;--p-green-500: #5ec27e;--p-green-700: #2f7a4a;--p-green-900: #143b22;--p-yellow-400: #f0c875;--p-yellow-500: #e0b04a;--p-yellow-700: #9c781f;--p-yellow-900: #4a3b12;--p-blue-400: #9ab9e8;--p-blue-500: #7aa2e0;--p-blue-700: #3b5c9c;--p-blue-900: #1a2b4c;--p-red-400: #e89898;--p-red-500: #e07a7a;--p-red-700: #9c3b3b;--p-red-900: #4c1a1a;--p-amber: #E07A4A;--p-blue: #7aa2e0;--p-green: #5ec27e;--p-lilac: #b58fe0;--p-mustard: #e0b04a;--p-teal: #7ad6cd;--p-coral: #e07a7a;--p-mint: #7ae0a8;--p-peach: #e0b8a8;--p-periwinkle:#9aa8e0;--p-font-display: "Barlow Condensed", "Inter", system-ui, sans-serif;--p-font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--p-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;--p-text-10: 10px;--p-text-11: 11px;--p-text-12: 12px;--p-text-13: 13px;--p-text-14: 14px;--p-text-15: 15px;--p-text-16: 16px;--p-text-18: 18px;--p-text-20: 20px;--p-text-24: 24px;--p-text-32: 32px;--p-text-40: 40px;--p-weight-400: 400;--p-weight-500: 500;--p-weight-600: 600;--p-weight-700: 700;--p-leading-tight: 1.2;--p-leading-snug: 1.4;--p-leading-normal: 1.55;--p-leading-relaxed: 1.7;--p-tracking-tight: -.4px;--p-tracking-normal: 0;--p-tracking-wide: .5px;--p-tracking-wider: .8px;--p-space-0: 0;--p-space-1: 4px;--p-space-2: 8px;--p-space-3: 12px;--p-space-4: 16px;--p-space-5: 20px;--p-space-6: 24px;--p-space-8: 32px;--p-space-10: 40px;--p-space-12: 48px;--p-space-16: 64px;--p-space-20: 80px;--p-radius-0: 0;--p-radius-sm: 4px;--p-radius-md: 6px;--p-radius-lg: 10px;--p-radius-xl: 14px;--p-radius-2xl: 20px;--p-radius-pill: 999px;--p-shadow-sm: 0 1px 2px rgba(0,0,0,.4);--p-shadow: 0 4px 12px rgba(0,0,0,.45);--p-shadow-lg: 0 12px 30px rgba(0,0,0,.6);--p-shadow-overlay: 0 24px 60px rgba(0,0,0,.7);--p-ease-out: cubic-bezier(.2, .7, .3, 1);--p-ease-in-out: cubic-bezier(.4, 0, .2, 1);--p-duration-fast: .12s;--p-duration: .18s;--p-duration-slow: .28s;--p-bp-phone: 0px;--p-bp-sm: 640px;--p-bp-md: 768px;--p-bp-lg: 1024px;--p-bp-xl: 1280px;--p-bp-2xl: 1536px;--p-touch-target: 44px;--p-touch-comfort: 48px}:root{--s-surface-page: var(--p-sand-950);--s-surface-panel: var(--p-sand-900);--s-surface-raised: var(--p-sand-850);--s-surface-elevated: var(--p-sand-800);--s-surface-overlay: var(--p-sand-850);--s-surface-scrim: rgba(10, 9, 8, .72);--s-border-subtle: var(--p-sand-700);--s-border-strong: var(--p-sand-600);--s-border-focus: var(--p-amber-500);--s-ink-primary: var(--p-sand-50);--s-ink-secondary: var(--p-sand-200);--s-ink-muted: var(--p-sand-400);--s-ink-disabled: var(--p-sand-500);--s-ink-inverse: var(--p-sand-950);--s-brand-solid: var(--p-amber-500);--s-brand-hover: var(--p-amber-400);--s-brand-pressed: var(--p-amber-600);--s-brand-fg: var(--p-amber-300);--s-brand-subtle: rgba(224, 122, 74, .1);--s-brand-border: rgba(224, 122, 74, .22);--s-brand-ring: rgba(224, 122, 74, .45);--s-success-solid: var(--p-green-500);--s-success-fg: var(--p-green-400);--s-success-subtle: rgba(94, 194, 126, .12);--s-success-border: rgba(94, 194, 126, .4);--s-warning-solid: var(--p-yellow-500);--s-warning-fg: var(--p-yellow-400);--s-warning-subtle: rgba(224, 176, 74, .12);--s-warning-border: rgba(224, 176, 74, .4);--s-danger-solid: var(--p-red-500);--s-danger-fg: var(--p-red-400);--s-danger-subtle: rgba(224, 122, 122, .12);--s-danger-border: rgba(224, 122, 122, .4);--s-info-solid: var(--p-blue-500);--s-info-fg: var(--p-blue-400);--s-info-subtle: rgba(122, 162, 224, .12);--s-info-border: rgba(122, 162, 224, .4);--s-font-display: var(--p-font-display);--s-font-body: var(--p-font-sans);--s-font-mono: var(--p-font-mono)}:root{--c-button-radius: var(--p-radius-md);--c-button-font-weight: var(--p-weight-500);--c-button-primary-bg: var(--s-brand-solid);--c-button-primary-fg: var(--s-ink-inverse);--c-button-primary-border: var(--s-brand-solid);--c-button-primary-bg-hover: var(--s-brand-hover);--c-button-primary-bg-active: var(--s-brand-pressed);--c-button-secondary-bg: var(--s-surface-raised);--c-button-secondary-fg: var(--s-ink-secondary);--c-button-secondary-border: var(--s-border-subtle);--c-button-secondary-bg-hover: var(--s-surface-elevated);--c-button-secondary-border-hover: var(--s-border-strong);--c-button-ghost-fg: var(--s-ink-secondary);--c-button-ghost-bg-hover: var(--s-surface-raised);--c-button-destructive-bg: transparent;--c-button-destructive-fg: var(--s-danger-fg);--c-button-destructive-border: var(--s-danger-border);--c-button-destructive-bg-hover: var(--s-danger-subtle);--c-button-success-bg: var(--s-success-solid);--c-button-success-fg: var(--s-ink-inverse);--c-button-success-border: var(--s-success-solid);--c-input-bg: var(--s-surface-raised);--c-input-fg: var(--s-ink-primary);--c-input-placeholder: var(--s-ink-muted);--c-input-border: var(--s-border-subtle);--c-input-border-hover: var(--s-border-strong);--c-input-border-focus: var(--s-border-focus);--c-input-ring-focus: var(--s-brand-ring);--c-input-border-error: var(--s-danger-solid);--c-input-radius: var(--p-radius-md);--c-card-bg: var(--s-surface-panel);--c-card-bg-raised: var(--s-surface-raised);--c-card-border: var(--s-border-subtle);--c-card-border-hover: var(--s-border-strong);--c-card-radius: var(--p-radius-lg);--c-card-padding: var(--p-space-5);--c-card-shadow: var(--p-shadow-sm);--c-dialog-bg: var(--s-surface-overlay);--c-dialog-border: var(--s-border-subtle);--c-dialog-radius: var(--p-radius-xl);--c-dialog-shadow: var(--p-shadow-overlay);--c-dialog-scrim: var(--s-surface-scrim);--c-tooltip-bg: var(--s-surface-elevated);--c-tooltip-fg: var(--s-ink-primary);--c-tooltip-border: var(--s-border-subtle);--c-tooltip-radius: var(--p-radius-sm);--c-tooltip-shadow: var(--p-shadow);--c-table-header-fg: var(--s-ink-muted);--c-table-header-bg: transparent;--c-table-divider: var(--s-border-subtle);--c-table-row-hover-bg: var(--s-surface-raised);--c-tabs-fg: var(--s-ink-muted);--c-tabs-fg-active: var(--s-ink-primary);--c-tabs-indicator: var(--s-brand-solid);--c-tabs-divider: var(--s-border-subtle);--c-avatar-ring: var(--s-surface-panel);--c-avatar-fallback-bg: var(--s-surface-elevated);--c-badge-radius: var(--p-radius-sm);--c-pill-radius: var(--p-radius-pill);--c-sidebar-w: 224px;--c-sidebar-w-collapsed: 56px;--c-header-h: 56px;--c-statusbar-h: 24px;--c-content-max: 1280px}:root{--bg: var(--s-surface-page);--panel: var(--s-surface-panel);--panel-2: var(--s-surface-raised);--panel-3: var(--s-surface-elevated);--border: var(--s-border-subtle);--border-2: var(--s-border-strong);--ink: var(--s-ink-primary);--ink-2: var(--s-ink-secondary);--muted: var(--s-ink-muted);--brand: var(--s-brand-solid);--brand-hi: var(--s-brand-fg);--brand-soft: var(--s-brand-subtle);--brand-mid: var(--s-brand-border);--brand-ring: var(--s-brand-ring);--ok: var(--s-success-solid);--ok-soft: var(--s-success-subtle);--warn: var(--s-warning-solid);--warn-soft: var(--s-warning-subtle);--info: var(--s-info-solid);--info-soft: var(--s-info-subtle);--danger: var(--s-danger-solid);--danger-soft: var(--s-danger-subtle);--font-sans: var(--s-font-body);--font-mono: var(--s-font-mono);--text-xxs: var(--p-text-10);--text-xs: var(--p-text-11);--text-sm: var(--p-text-12);--text-md: var(--p-text-14);--text-lg: var(--p-text-15);--text-xl: var(--p-text-18);--text-2xl: var(--p-text-24);--text-3xl: var(--p-text-32);--weight-regular: var(--p-weight-400);--weight-medium: var(--p-weight-500);--weight-semibold: var(--p-weight-600);--weight-bold: var(--p-weight-700);--leading-tight: var(--p-leading-tight);--leading-snug: var(--p-leading-snug);--leading-normal: var(--p-leading-normal);--leading-relaxed: var(--p-leading-relaxed);--tracking-tight: var(--p-tracking-tight);--tracking-normal: var(--p-tracking-normal);--tracking-wide: var(--p-tracking-wide);--tracking-wider: var(--p-tracking-wider);--space-0: var(--p-space-0);--space-1: var(--p-space-1);--space-2: var(--p-space-2);--space-3: var(--p-space-3);--space-4: var(--p-space-4);--space-5: var(--p-space-5);--space-6: var(--p-space-6);--space-8: var(--p-space-8);--space-10: var(--p-space-10);--space-12: var(--p-space-12);--space-16: var(--p-space-16);--radius-sm: var(--p-radius-sm);--radius: var(--p-radius-md);--radius-md: var(--p-radius-md);--radius-lg: var(--p-radius-lg);--radius-xl: var(--p-radius-xl);--radius-pill: var(--p-radius-pill);--shadow-sm: var(--p-shadow-sm);--shadow: var(--p-shadow);--shadow-lg: var(--p-shadow-lg);--shadow-overlay: var(--p-shadow-overlay);--ease-out: var(--p-ease-out);--ease-in-out: var(--p-ease-in-out);--duration-fast: var(--p-duration-fast);--duration: var(--p-duration);--duration-slow: var(--p-duration-slow);--sidebar-w: var(--c-sidebar-w);--sidebar-w-collapsed: var(--c-sidebar-w-collapsed);--rail-w: 240px;--content-max: var(--c-content-max);--header-h: var(--c-header-h);--statusbar-h: var(--c-statusbar-h);--avatar-1: var(--p-amber);--avatar-2: var(--p-blue);--avatar-3: var(--p-green);--avatar-4: var(--p-lilac);--avatar-5: var(--p-mustard);--avatar-6: var(--p-teal);--avatar-7: var(--p-coral);--avatar-8: var(--p-mint);--avatar-9: var(--p-peach);--avatar-10: var(--p-periwinkle)}html,body{margin:0;padding:0;background:var(--s-surface-page);color:var(--s-ink-primary);font-family:var(--s-font-body);font-size:var(--p-text-14);line-height:var(--p-leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background:var(--s-brand-solid);color:var(--s-ink-inverse)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--s-border-strong);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--s-ink-muted)}.mono{font-family:var(--s-font-mono);font-feature-settings:"tnum" 1,"ss01" 1}.uppercase-label{font-family:var(--s-font-mono);font-size:var(--p-text-10);letter-spacing:var(--p-tracking-wider);text-transform:uppercase;color:var(--s-ink-muted);font-weight:var(--p-weight-500)}.display{font-family:var(--s-font-display);font-weight:var(--p-weight-600);letter-spacing:var(--p-tracking-tight)}:where(button,a,input,textarea,select,[role=button]):focus-visible{outline:2px solid var(--s-border-focus);outline-offset:2px}@keyframes dfl-pulse{0%,to{opacity:1}50%{opacity:.35}}@keyframes dfl-spin{to{transform:rotate(360deg)}}@keyframes dfl-shimmer{0%{background-position:-600px 0}to{background-position:600px 0}}@keyframes dfl-record-pulse{0%,to{box-shadow:0 0 #e07a7a80}50%{box-shadow:0 0 0 6px #e07a7a00}}@keyframes dfl-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@font-face{font-family:Barlow Condensed;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/BarlowCondensed-600.woff2) format("woff2")}@font-face{font-family:Barlow Condensed;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/BarlowCondensed-700.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/Inter-400.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/Inter-600.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/Inter-700.woff2) format("woff2")}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/JetBrainsMono-400.woff2) format("woff2")}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/JetBrainsMono-500.woff2) format("woff2")}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:var(--text-md);line-height:var(--leading-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background:var(--brand);color:var(--bg)}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}.mono{font-family:var(--font-mono);font-feature-settings:"tnum" 1,"ss01" 1}.uppercase-label{font-family:var(--font-mono);font-size:var(--text-xxs);letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--muted);font-weight:var(--weight-medium)}button,input,select,textarea{font-family:inherit;color:inherit}button{border:none;background:transparent;cursor:pointer}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink)}body{font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--brand);color:#0a0908}a{color:var(--brand-hi);text-decoration:none;border-bottom:1px solid rgba(245,160,106,.25)}a:hover{border-bottom-color:var(--brand-hi)}.bg-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.bg-sidebar{position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto;background:var(--panel);border-right:1px solid var(--border);padding:32px 24px 40px;font-family:var(--font-mono);font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bg-sidebar::-webkit-scrollbar{width:6px}.bg-sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.bg-brand-mark{display:flex;align-items:baseline;gap:10px;font-family:"Barlow Condensed",var(--font-sans);text-transform:uppercase;font-size:22px;font-weight:700;letter-spacing:-.5px;color:var(--ink);margin-bottom:4px}.bg-brand-mark .dot{width:10px;height:10px;border-radius:2px;background:var(--brand);display:inline-block;transform:translateY(-2px)}.bg-brand-mark .ver{font-family:var(--font-mono);font-size:10px;color:var(--muted);letter-spacing:.6px;font-weight:400}.bg-sidebar h6{margin:32px 0 12px;font-size:10px;letter-spacing:.8px;color:var(--muted);font-weight:500}.bg-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.bg-nav a{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:6px 8px;border-radius:4px;border-bottom:none;color:var(--ink-2);text-decoration:none;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.4px;text-transform:uppercase;cursor:pointer;transition:background .12s ease,color .12s ease}.bg-nav a:hover{background:var(--panel-2);color:var(--ink)}.bg-nav a.is-active{background:var(--brand-soft);color:var(--brand-hi)}.bg-nav a.is-active .n{color:var(--brand-hi)}.bg-nav .n{color:var(--muted);font-variant-numeric:tabular-nums}.bg-nav .name{color:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bg-main{padding:0;max-width:1180px;width:100%}.bg-chapter{border-bottom:1px solid var(--border);padding:96px 80px;position:relative}.bg-chapter:last-child{border-bottom:none}.bg-chapter-head{display:grid;grid-template-columns:140px 1fr;gap:32px;margin-bottom:56px;align-items:start}.bg-chapter-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted)}.bg-chapter-num .big{display:block;font-family:"Barlow Condensed",var(--font-sans);font-size:96px;font-weight:700;line-height:.9;letter-spacing:-3px;color:var(--brand);margin-top:8px}.bg-chapter-num .of{display:block;margin-top:12px;color:var(--muted)}.bg-chapter-title{font-family:"Barlow Condensed",var(--font-sans);font-size:64px;font-weight:700;line-height:.95;letter-spacing:-1.5px;color:var(--ink);text-transform:uppercase;margin:0 0 20px;text-wrap:balance}.bg-chapter-lead{font-size:20px;line-height:1.45;color:var(--ink-2);max-width:720px;margin:0;text-wrap:pretty}.bg-section{margin-top:72px}.bg-section:first-of-type{margin-top:0}.bg-section-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:12px;margin-bottom:16px}.bg-section-label:before{content:"";width:18px;height:1px;background:var(--brand);display:inline-block}.bg-section-title{font-family:"Barlow Condensed",var(--font-sans);font-size:38px;font-weight:700;letter-spacing:-.8px;line-height:1.05;text-transform:uppercase;color:var(--ink);margin:0 0 24px;text-wrap:balance}.bg-h3{font-family:var(--font-sans);font-size:18px;font-weight:600;letter-spacing:-.2px;color:var(--ink);margin:28px 0 10px}.bg-p{color:var(--ink-2);margin:0 0 14px;max-width:760px}.bg-p.lead{font-size:17px;color:var(--ink);max-width:800px}.bg-p strong{color:var(--ink);font-weight:600}.bg-meta{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bg-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.bg-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bg-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.bg-grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.bg-grid-aside{display:grid;grid-template-columns:320px 1fr;gap:48px;align-items:start}.bg-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:24px}.bg-card-raised{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:24px}.bg-card h4{font-family:var(--font-sans);font-size:14px;font-weight:600;margin:0 0 10px;color:var(--ink)}.bg-card p{font-size:13.5px;color:var(--ink-2);margin:0}.bg-list{list-style:none;padding:0;margin:0}.bg-list li{position:relative;padding:10px 0 10px 28px;border-bottom:1px dashed var(--border);color:var(--ink-2);font-size:14.5px;line-height:1.5;overflow-wrap:break-word}.bg-list li:last-child{border-bottom:none}.bg-list li:before{content:"—";position:absolute;left:0;top:10px;color:var(--brand);font-family:var(--font-mono);font-weight:500}.bg-list-num{list-style:none;padding:0;margin:0;counter-reset:bgl}.bg-list-num li{counter-increment:bgl;position:relative;padding:14px 0 14px 52px;border-bottom:1px solid var(--border);font-size:14.5px;line-height:1.55;color:var(--ink-2);overflow-wrap:break-word}.bg-list-num li strong{color:var(--ink)}.bg-list-num li:before{content:counter(bgl,decimal-leading-zero);position:absolute;left:0;top:16px;width:36px;font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.6px}.bg-list-num li:last-child{border-bottom:none}.bg-kv{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:14px 0;border-bottom:1px solid var(--border)}.bg-kv:last-child{border-bottom:none}.bg-kv .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);padding-top:2px}.bg-kv .v{color:var(--ink);font-size:14.5px;line-height:1.5}.bg-kv .v small{color:var(--ink-2);font-size:12.5px;display:block;margin-top:4px;font-family:var(--font-mono)}.bg-swatch{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--panel)}.bg-swatch-block{height:120px;display:flex;align-items:flex-end;justify-content:flex-end;padding:12px}.bg-swatch-block .pick{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.6px;text-transform:uppercase;background:#0a09088c;color:var(--ink);padding:3px 7px;border-radius:3px}.bg-swatch-meta{padding:12px 14px;border-top:1px solid var(--border)}.bg-swatch-meta .name{font-family:var(--font-sans);font-size:13px;font-weight:600;color:var(--ink)}.bg-swatch-meta .hex{font-family:var(--font-mono);font-size:11px;color:var(--muted);margin-top:2px;letter-spacing:.5px;text-transform:uppercase}.bg-swatch-meta .role{font-family:var(--font-mono);font-size:9.5px;color:var(--muted);margin-top:6px;letter-spacing:.6px;text-transform:uppercase;line-height:1.4}.bg-do-dont{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:16px}.bg-do,.bg-dont{border:1px solid var(--border);border-radius:10px;padding:20px;background:var(--panel)}.bg-do{border-top:2px solid var(--ok)}.bg-dont{border-top:2px solid var(--danger)}.bg-do .tag,.bg-dont .tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.8px;text-transform:uppercase;margin-bottom:8px;display:block}.bg-do .tag{color:var(--ok)}.bg-dont .tag{color:var(--danger)}.bg-do p,.bg-dont p{color:var(--ink-2);font-size:13.5px;margin:0}.bg-do .demo,.bg-dont .demo{margin-bottom:14px;min-height:100px;display:flex;align-items:center;justify-content:center;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:16px}.bg-pull{font-family:"Barlow Condensed",var(--font-sans);font-size:44px;line-height:1.05;font-weight:600;letter-spacing:-.8px;color:var(--ink);border-left:2px solid var(--brand);padding:8px 0 8px 28px;margin:40px 0;text-wrap:balance;max-width:880px}.bg-pull cite{display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);font-style:normal;margin-top:16px;font-weight:400}.bg-manifesto{font-family:"Barlow Condensed",var(--font-sans);font-size:56px;line-height:1.05;font-weight:700;letter-spacing:-1.2px;color:var(--ink);text-transform:uppercase;text-wrap:balance}.bg-manifesto .amber{color:var(--brand)}.bg-manifesto .stanza{margin-bottom:32px}.bg-manifesto .stanza:last-child{margin-bottom:0}.bg-manifesto .sig{font-family:var(--font-mono);font-size:12px;letter-spacing:.8px;color:var(--muted);font-weight:400;display:block;margin-top:48px}.bg-sample{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:18px 20px;font-family:var(--font-mono);font-size:12.5px;line-height:1.6;color:var(--ink-2);white-space:pre-wrap;overflow-x:auto}.bg-sample .c{color:var(--muted)}.bg-sample .k{color:var(--brand-hi)}.bg-sample .s{color:#9ad4a4}.bg-bubble{border:1px solid var(--border);border-radius:12px;padding:16px 18px;background:var(--panel);font-size:14.5px;line-height:1.5;color:var(--ink);max-width:560px}.bg-bubble .who{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-bottom:6px;display:block}.bg-tags{display:flex;flex-wrap:wrap;gap:6px}.bg-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--ink-2);background:var(--panel-2);border:1px solid var(--border);border-radius:999px;padding:4px 10px}.bg-tag.ok{color:#9ad4a4;border-color:#5ec27e59;background:#5ec27e14}.bg-tag.bad{color:#e8a3a3;border-color:#e07a7a59;background:#e07a7a14}.bg-tag.warn{color:#f0c875;border-color:#e0b04a59;background:#e0b04a14}.bg-tag.brand{color:var(--brand-hi);border-color:#e07a4a66;background:var(--brand-soft)}.bg-mark-box{border:1px solid var(--border);border-radius:10px;background:var(--panel);padding:36px;display:flex;align-items:center;justify-content:center;min-height:200px;position:relative}.bg-mark-box.light{background:#f4ede2;color:#0a0908}.bg-mark-box .label{position:absolute;top:12px;left:14px;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bg-mark-box.light .label{color:#7d7568}.dfl-wordmark{font-family:"Barlow Condensed",var(--font-sans);font-weight:700;letter-spacing:-2px;text-transform:uppercase;line-height:1;font-size:64px;color:var(--ink);display:inline-flex;align-items:baseline;gap:10px}.dfl-wordmark .slash{color:var(--brand);font-weight:700}.dfl-wordmark .full{font-size:12px;letter-spacing:.8px;color:var(--muted);font-family:var(--font-mono);font-weight:500;text-transform:uppercase;letter-spacing:1.2px;margin-left:6px;align-self:center}.bg-mark-box.light .dfl-wordmark{color:#0a0908}.bg-mark-box.light .dfl-wordmark .full{color:#5a5249}.bg-fig{border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--panel)}.bg-fig-body{padding:28px;min-height:160px;display:flex;align-items:center;justify-content:center;background:var(--panel)}.bg-fig-cap{padding:10px 14px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);border-top:1px solid var(--border)}.bg-table{width:100%;border-collapse:collapse;font-size:13.5px}.bg-table thead th{text-align:left;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--border);background:var(--panel)}.bg-table tbody td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--ink-2);vertical-align:top}.bg-table tbody tr:hover td{background:var(--panel)}.bg-table .mono{font-family:var(--font-mono);font-size:12px;color:var(--ink)}.bg-divider{height:1px;background:var(--border);margin:32px 0}.bg-progress{position:fixed;top:0;left:280px;right:0;z-index:50;display:flex;align-items:center;gap:14px;padding:10px 80px;background:#0a0908d9;backdrop-filter:blur(8px);border-bottom:1px solid var(--border);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bg-progress .brand{color:var(--brand)}.bg-progress .sep{color:var(--border-2)}.bg-progress .chapter-name{color:var(--ink)}.bg-progress .right{margin-left:auto}.bg-progress-bar{position:fixed;top:0;left:280px;right:0;height:2px;background:transparent;z-index:51}.bg-progress-bar .fill{height:100%;background:var(--brand);width:0;transition:width 80ms linear}.bg-cover{min-height:100vh;display:grid;grid-template-rows:auto 1fr auto;padding:56px 80px;position:relative;background:radial-gradient(ellipse 80% 60% at 80% 100%,rgba(224,122,74,.1),transparent 60%),var(--bg)}.bg-cover-top{display:flex;align-items:center;justify-content:space-between;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bg-cover-top .right{display:flex;gap:24px}.bg-cover-body{display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:16px}.bg-cover-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--brand);margin-bottom:16px}.bg-cover-title{font-family:"Barlow Condensed",var(--font-sans);font-size:clamp(96px,14vw,220px);font-weight:700;line-height:.85;letter-spacing:-5px;color:var(--ink);text-transform:uppercase;margin:0}.bg-cover-title .amber{color:var(--brand)}.bg-cover-sub{font-size:22px;color:var(--ink-2);max-width:720px;margin-top:28px;line-height:1.4;text-wrap:pretty}.bg-cover-bot{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--border);padding-top:24px}.bg-cover-bot .item{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.bg-cover-bot .item strong{display:block;color:var(--ink);font-family:var(--font-sans);font-weight:600;font-size:14px;text-transform:none;letter-spacing:-.1px;margin-top:4px}.member-dot{width:28px;height:28px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:10px;font-weight:600;color:#0a0908}.bg-grid-overlay{background-image:linear-gradient(rgba(224,122,74,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(224,122,74,.18) 1px,transparent 1px);background-size:16px 16px}hr.bg-hr{border:0;border-top:1px solid var(--border);margin:24px 0}.bg-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.tone-bar{display:grid;grid-template-columns:130px 1fr 130px;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--border)}.tone-bar:last-child{border-bottom:none}.tone-bar .label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.tone-bar .label.right{text-align:right}.tone-bar .track{height:4px;background:var(--panel-2);border-radius:999px;position:relative}.tone-bar .pip{position:absolute;top:50%;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:999px;background:var(--brand);box-shadow:0 0 0 4px #e07a4a2e}.type-row{display:grid;grid-template-columns:160px 1fr 220px;gap:24px;padding:20px 0;border-bottom:1px solid var(--border);align-items:baseline}.type-row:last-child{border-bottom:none}.type-row .meta{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.type-row .spec{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-2);text-align:right;white-space:nowrap}.type-row .sample{color:var(--ink)}.status-dot{width:8px;height:8px;border-radius:999px;display:inline-block}@media(max-width:1100px){.bg-shell{grid-template-columns:1fr}.bg-sidebar{position:relative;height:auto;max-height:none}.bg-chapter{padding:56px 24px}.bg-chapter-head{grid-template-columns:64px 1fr;gap:14px;margin-bottom:32px}.bg-chapter-num .big{font-size:52px}.bg-chapter-title{font-size:36px;letter-spacing:-1px}.bg-section-title{font-size:28px;letter-spacing:-.4px}.bg-cover{padding:32px}.bg-cover-title{letter-spacing:-2px}.bg-progress,.bg-progress-bar{left:0;padding-left:24px;padding-right:24px}.bg-grid-2,.bg-grid-3,.bg-grid-4,.bg-grid-5,.bg-grid-aside,.bg-do-dont{grid-template-columns:1fr}.bg-kv{grid-template-columns:1fr;gap:4px}.bg-table{font-size:12px}.bg-table thead th,.bg-table tbody td{padding:8px 10px}.bg-pull{font-size:28px;padding-left:16px}.bg-manifesto{font-size:36px}}@media(max-width:600px){.bg-chapter{padding:48px 18px}.bg-chapter-head{grid-template-columns:52px 1fr;gap:12px}.bg-chapter-num .big{font-size:40px}.bg-chapter-title{font-size:28px}.bg-section-title{font-size:22px}.bg-list-num li{padding-left:36px;font-size:13.5px}.bg-list-num li:before{width:28px}.bg-pull{font-size:22px}.bg-manifesto{font-size:26px}.bg-cover-title{letter-spacing:-1px}.bg-cover-bot{grid-template-columns:1fr 1fr}}html,body{overflow-x:clip;max-width:100%}@media(max-width:1100px){.bg-shell>*,.bg-main>*,.bg-section>*,.bg-chapter>*,.bg-grid-2>*,.bg-grid-3>*,.bg-grid-4>*,.bg-grid-5>*,.bg-grid-aside>*,.bg-do-dont>*,.bg-kv>*,.bg-chapter-head>*,.bg-nav a>*,.bg-card,.bg-card-raised,.bg-fig,.bg-sample,.tone-bar>*,.type-row>*{min-width:0;max-width:100%}.bg-nav .name{white-space:normal;overflow:visible;text-overflow:clip;line-height:1.3}.bg-nav a{padding:10px 8px;min-height:44px;align-items:center}.bg-sidebar{padding:24px 18px 32px}.bg-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.bg-fig,.bg-sample,.bg-card,.bg-card-raised,.bg-mark-box{overflow:hidden}.bg-cover{padding:32px 20px;min-height:80vh}.bg-cover-bot{grid-template-columns:1fr 1fr;gap:16px}.bg-main{width:100%;max-width:100%}}@media(max-width:768px){.bg-chapter-head{grid-template-columns:1fr;gap:16px;margin-bottom:28px}.bg-chapter-num .big{font-size:44px;line-height:1}.bg-chapter-title{font-size:30px;letter-spacing:-.5px}.bg-chapter-lead{font-size:14px}.bg-chapter{padding:40px 16px}.bg-section-label{font-size:11px}.bg-section-title{font-size:22px;letter-spacing:-.3px}.bg-cover-title{font-size:clamp(40px,12vw,72px);letter-spacing:-2px;line-height:.95}.bg-manifesto{font-size:24px;line-height:1.25}.bg-pull{font-size:20px;padding-left:12px;line-height:1.35}.bg-p{font-size:14px;line-height:1.55}.bg-p.lead{font-size:16px}.tone-bar{grid-template-columns:1fr;gap:6px;padding:16px 0}.type-row{grid-template-columns:1fr;gap:12px;padding:18px 0}.bg-nav a,.bg-cta,a.bg-cta{min-height:44px}.bg-section{margin-bottom:32px}code,.bg-code,kbd,.bg-mono{word-break:break-word;overflow-wrap:anywhere}}@media(max-width:480px){.bg-chapter{padding:32px 14px}.bg-cover{padding:28px 16px}.bg-cover-bot{grid-template-columns:1fr;gap:12px}.bg-sidebar{padding:20px 14px 28px;font-size:10.5px}.bg-brand-mark{font-size:18px}.bg-nav a{font-size:11px;padding:10px 6px}.bg-chapter-num .big{font-size:36px}.bg-chapter-title{font-size:26px}.bg-section-title,.bg-manifesto{font-size:20px}.bg-pull{font-size:18px}.bg-p{font-size:13.5px}.bg-p.lead{font-size:15px}.bg-list-num li{padding-left:32px;font-size:13px}.bg-list-num li:before{width:24px;font-size:11px}.bg-card,.bg-card-raised,.bg-do,.bg-dont,.bg-mark-box{padding:16px}}html[data-brand=itera]{--brand: #3fd17f;--brand-hi: #62d996;--brand-soft: rgba(63,209,127,.1);--brand-mid: rgba(63,209,127,.22);--brand-ring: rgba(63,209,127,.45)}html[data-brand=itera] .bg-pull{border-left-color:var(--brand)}html[data-brand=itera] .bg-cover{background:radial-gradient(ellipse 80% 60% at 80% 100%,rgba(63,209,127,.1),transparent 60%),var(--bg)}html[data-brand=itera] a{color:var(--brand-hi);border-bottom-color:#62d99640}html[data-brand=itera] ::selection{background:var(--brand);color:#0a0908}html[data-brand=itera]{--itera-clay: #e0a86f;--itera-clay-soft: rgba(224,168,111,.1)}html[data-brand=revera]{--brand: #3d8fe0;--brand-hi: #60a3e6;--brand-soft: rgba(61,143,224,.1);--brand-mid: rgba(61,143,224,.22);--brand-ring: rgba(61,143,224,.45)}html[data-brand=revera] .bg-pull{border-left-color:var(--brand)}html[data-brand=revera] .bg-cover{background:radial-gradient(ellipse 80% 60% at 80% 100%,rgba(61,143,224,.1),transparent 60%),var(--bg)}html[data-brand=revera] a{color:var(--brand-hi);border-bottom-color:#60a3e640}html[data-brand=revera] ::selection{background:var(--brand);color:#0a0908}html[data-brand=revera]{--revera-amber: #E07A4A;--revera-amber-soft: rgba(224,122,74,.1)}.cg-parent-badge{margin-top:10px;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:9.5px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);padding:3px 7px;border:1px solid var(--border);border-radius:999px;background:var(--panel-2);white-space:nowrap}.cg-parent-badge:before{content:"";width:6px;height:6px;background:#e07a4a;border-radius:1px}.cg-cover-title .slash{color:var(--brand)}.cg-cover-title .slash.slant{display:inline-block;transform:rotate(12deg)}.cg-monogram{font-family:"Barlow Condensed",var(--font-sans);font-weight:700;text-transform:uppercase;display:inline-flex;align-items:baseline;letter-spacing:-3px;line-height:.85;color:var(--ink)}.cg-monogram .slash{color:var(--brand);margin-left:2px}.cg-monogram .slash.slant{display:inline-block;transform:rotate(12deg);transform-origin:50% 60%}.cg-monogram .full{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:1.2px;color:var(--muted);margin-left:12px;text-transform:uppercase;align-self:center}.bg-mark-box.paper{background:#f6f1e7;color:#1a1714}.bg-mark-box.paper .cg-monogram{color:#1a1714}.bg-mark-box.paper .cg-monogram .full{color:#5a5249}.bg-mark-box.paper .cg-monogram .slash{color:var(--brand)}.cg-adr{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10px;letter-spacing:.6px;text-transform:uppercase;color:var(--brand-hi);border:1px solid var(--brand-ring);background:var(--brand-soft);padding:2px 8px;border-radius:3px}.cg-hl{color:var(--brand-hi)}.cg-strike{text-decoration:line-through;color:var(--muted)}.cg-lockup-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}.cg-lockup-row .bg-mark-box{min-height:180px}.tweak-card .options [data-selected=true][data-color]{outline:2px solid var(--brand-ring);outline-offset:2px}.cg-thread{display:grid;grid-template-columns:24px 1fr;gap:16px;align-items:start;padding:14px 0;border-bottom:1px dashed var(--border)}.cg-thread:last-child{border-bottom:none}.cg-thread .meta{font-family:var(--font-mono);font-size:10px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);padding-top:4px}.cg-thread .body{font-size:14.5px;line-height:1.5;color:var(--ink-2)}.cg-thread .body strong{color:var(--ink)}.cg-quad{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:8px;overflow:hidden}.cg-quad .cell{background:var(--panel);padding:20px;min-height:120px}.cg-quad .cell h5{margin:0 0 8px;font-family:var(--font-sans);font-size:13.5px;font-weight:600;color:var(--ink)}.cg-quad .cell p{margin:0;font-size:13px;line-height:1.5;color:var(--ink-2)}.cg-quad .cell.is-brand{background:var(--brand-soft)}.cg-quad .cell.is-brand h5{color:var(--brand-hi)}.cg-spec{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.4px;text-transform:uppercase}.cg-spec dt{color:var(--muted)}.cg-spec dd{color:var(--ink);margin:0}om-tweaks-panel{z-index:100}.bg-brand-switcher{border-top:1px solid var(--border)}.bg-brand-switcher-card{display:block;text-decoration:none;border-bottom:0;transition:border-color .15s ease,transform .15s ease}.bg-brand-switcher-card:hover{border-color:var(--brand-ring);transform:translateY(-2px)}.bg-brand-switcher-card .name{font-family:"Barlow Condensed",var(--font-sans);font-size:28px;font-weight:700;letter-spacing:-.6px;text-transform:uppercase;color:var(--ink);line-height:1}.bg-brand-switcher-card .tagline{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-top:8px}.bg-brand-switcher-card .go{font-family:var(--font-mono);font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--brand-hi);margin-top:18px}.brands-index{min-height:100vh;max-width:980px;margin:0 auto;padding:96px 32px}.brands-index .eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--brand);margin-bottom:16px}.brands-index h1{font-family:"Barlow Condensed",var(--font-sans);font-size:clamp(48px,9vw,96px);font-weight:700;line-height:.9;letter-spacing:-2px;text-transform:uppercase;color:var(--ink);margin:0 0 16px}.brands-index .sub{font-size:18px;color:var(--ink-2);max-width:640px;line-height:1.5;margin:0 0 56px}.brands-index .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.brands-index .grid a{display:block;text-decoration:none;border-bottom:0;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:28px 24px;transition:border-color .15s ease,transform .15s ease}.brands-index .grid a:hover{border-color:var(--brand-ring);transform:translateY(-3px)}.brands-index .grid .name{font-family:"Barlow Condensed",var(--font-sans);font-size:40px;font-weight:700;letter-spacing:-1px;text-transform:uppercase;color:var(--ink);line-height:1}.brands-index .grid .tagline{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);margin-top:10px}.brands-index .grid .go{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--brand-hi);margin-top:20px}