:root{--tech-bg:#080a0c;--tech-surface:#101419;--tech-surface-raised:#171d24;--tech-line:#ffffff1f;--tech-line-strong:#ffffff3d;--tech-text:#f4f7f8;--tech-muted:#9aa6ad;--tech-soft:#c9d2d8;--tech-metal:#c6ccd1;--tech-signal:#82e6c7;--tech-signal-strong:#b2ffe9;--tech-alert:#ffb86b;--tech-danger:#ff7f7f;--tech-blue:#8bbdff;--tech-violet:#c3a7ff;--tech-muted-2:#8b98a0;--tech-inset:#0a0e11;--tech-on-accent:#0a0e11;--tech-ink-rgb:255 255 255;--tech-signal-rgb:130 230 199;--tech-alert-rgb:255 184 107;--tech-blue-rgb:139 189 255;--tech-violet-rgb:195 167 255;--tech-bg-rgb:8 10 12;--tech-radius-xl:36px;--tech-radius-lg:28px;--tech-radius-md:16px;--tech-radius-sm:10px;--tech-shadow:0 24px 80px #00000052;--tech-max-width:1240px;--tech-equation-compact:clamp(1.35rem, 2.3vw, 2rem);--tech-equation-feature:clamp(2rem, 4vw, 3.8rem);--ds-gutter:clamp(20px, 4vw, 32px);--ds-width-wide:1240px;--ds-width-reading:68ch;--ds-width-lede:60ch;--ds-type-page:clamp(2.05rem, 1.5rem + 2.4vw, 3.6rem);--ds-type-section:clamp(1.7rem, 1.32rem + 1.25vw, 2.5rem);--ds-type-subsection:clamp(1.3rem, 1.12rem + .6vw, 1.65rem);--ds-type-card:clamp(1.12rem, 1.04rem + .3vw, 1.3rem);--ds-type-lede:clamp(1.02rem, .96rem + .3vw, 1.18rem);--ds-type-body:1rem;--ds-type-small:.875rem;--ds-type-label:.66rem;--ds-type-readout:clamp(1.5rem, 1.2rem + 1.1vw, 2.15rem);--ds-space-1:4px;--ds-space-2:8px;--ds-space-3:12px;--ds-space-4:16px;--ds-space-5:24px;--ds-space-6:32px;--ds-space-7:48px;--ds-space-8:64px;--ds-space-section:clamp(56px, 4.5vw + 32px, 104px);--ds-space-page-top:clamp(28px, 3vw + 12px, 56px);--ds-radius-panel:20px;--ds-radius-card:14px;--ds-radius-control:10px;--ds-radius-pill:999px;--ds-surface:linear-gradient(150deg, #ffffff09, transparent 46%), var(--tech-surface);--ds-surface-hover:linear-gradient(150deg, #82e6c70f, transparent 50%), var(--tech-surface);--ds-line-accent:#82e6c761;--ds-focus:0 0 0 2px var(--tech-bg), 0 0 0 4px var(--tech-signal);--ds-ease:cubic-bezier(.2, .7, .2, 1);--ds-duration:.18s;--ds-target:44px}