:root{--white:#FFFFFF;--page:#FAFAFA;--surface-1:#FFFFFF;--surface-2:#F5F5F7;--surface-3:#ECECEF;--ink-1:#1D1D1F;--ink-2:#6E6E73;--ink-3:#86868B;--ink-4:#AEAEB2;--on-accent:#FFFFFF;--border-1:#E5E5E7;--border-2:#D2D2D7;--accent:#007AFF;--accent-hover:#0A6CE0;--accent-soft:#EAF3FF;--positive:#34C759;--warning:#FF9F0A;--critical:#FF3B30;--bg-page:var(--page);--bg-card:var(--surface-1);--bg-muted:var(--surface-2);--bg-well:var(--surface-3);--text-primary:var(--ink-1);--text-secondary:var(--ink-2);--text-tertiary:var(--ink-3);--text-placeholder:var(--ink-4);--border-hairline:var(--border-1);--border-control:var(--border-2);--action-primary:var(--accent);--action-primary-hover:var(--accent-hover);--focus-ring:var(--accent);--font-display:-apple-system,"SF Pro Display","Inter",BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;--font-text:-apple-system,"SF Pro Text","Inter",BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"SF Mono","SFMono-Regular",Menlo,Monaco,monospace;--weight-regular:400;--weight-medium:500;--weight-semibold:600;--weight-bold:700;--size-hero:64px;--size-display:48px;--size-title-1:36px;--size-title-2:28px;--size-title-3:22px;--size-headline:18px;--size-body:17px;--size-callout:15px;--size-footnote:14px;--size-caption:12px;--leading-tight:1.05;--leading-snug:1.15;--leading-normal:1.3;--leading-relaxed:1.5;--tracking-hero:-0.022em;--tracking-display:-0.018em;--tracking-title:-0.012em;--tracking-body:-0.004em;--tracking-eyebrow:0.06em;--text-hero-size:var(--size-hero);--text-section-size:var(--size-title-1);--text-card-title-size:var(--size-title-3);--text-body-size:var(--size-body);--text-secondary-size:var(--size-footnote)}.t-hero{font-size:var(--size-hero);letter-spacing:var(--tracking-hero)}.t-display,.t-hero{font-family:var(--font-display);font-weight:var(--weight-semibold);line-height:var(--leading-tight);color:var(--text-primary)}.t-display{font-size:var(--size-display);letter-spacing:var(--tracking-display)}.t-section{font-size:var(--size-title-1)}.t-card-title,.t-section{font-family:var(--font-display);font-weight:var(--weight-semibold);line-height:var(--leading-snug);letter-spacing:var(--tracking-title);color:var(--text-primary)}.t-card-title{font-size:var(--size-title-3)}.t-body{font-size:var(--size-body);line-height:var(--leading-relaxed);letter-spacing:var(--tracking-body);color:var(--text-primary)}.t-body,.t-secondary{font-family:var(--font-text);font-weight:var(--weight-regular)}.t-secondary{font-size:var(--size-footnote);line-height:var(--leading-normal);color:var(--text-secondary)}.t-eyebrow{font-family:var(--font-text);font-size:var(--size-caption);font-weight:var(--weight-semibold);line-height:1;letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--text-tertiary)}:root{--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--space-24:96px;--space-32:128px;--content-max:1440px;--reading-max:720px;--gutter:24px;--gutter-lg:48px;--sidebar-w:264px;--section-y:96px;--pad-card:28px;--pad-card-lg:32px;--pad-control-x:20px;--control-h:44px;--control-h-lg:48px;--radius-xs:6px;--radius-sm:10px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--radius-pill:999px;--radius-circle:50%;--border-width:1px;--hairline:1px solid var(--border-hairline);--control-border:1px solid var(--border-control);--shadow-none:none;--shadow-xs:0 1px 2px rgba(0,0,0,0.04);--shadow-sm:0 2px 8px rgba(0,0,0,0.05);--shadow-md:0 6px 24px rgba(0,0,0,0.06);--shadow-lg:0 16px 48px rgba(0,0,0,0.10);--shadow-focus:0 0 0 4px rgba(0,122,255,0.18);--ease-standard:cubic-bezier(0.32,0.72,0,1);--ease-out:cubic-bezier(0.16,1,0.3,1);--dur-fast:150ms;--dur-base:200ms;--dur-slow:250ms;--transition-base:all var(--dur-base) var(--ease-standard);--press-scale:0.97;--hover-lift:-2px;--glass-bg:rgba(255,255,255,0.72);--glass-blur:saturate(180%) blur(20px)}