.tflow{inline-size:100%;padding:var(--space-lg) var(--space-md);background-color:var(--color-bg-elevated);border:var(--border-hairline) solid var(--color-border);border-radius:var(--radius-lg);margin:0;position:relative;overflow:hidden}.tflow__grid{z-index:var(--z-behind);background-image:linear-gradient(to right, var(--color-grid-line) var(--border-hairline), transparent 0), linear-gradient(to bottom, var(--color-grid-line) var(--border-hairline), transparent 0);pointer-events:none;background-size:2.5rem 2.5rem;position:absolute;inset:0;mask-image:radial-gradient(90% 80%,#000 20%,#0000 100%)}.tflow__list{z-index:var(--z-raised);flex-direction:column;list-style:none;display:flex;position:relative}.tflow__step{align-items:start;gap:var(--space-sm);padding-block:var(--space-xs);grid-template-columns:1.25rem 1fr auto;display:grid;position:relative}.tflow__step:not(:last-child):before{content:"";inline-size:var(--border-hairline);background:linear-gradient(to bottom, 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.tflow__glyph-dot{opacity:1}.tflow__body{gap:var(--space-3xs);flex-direction:column;min-inline-size:0;display:flex}.tflow__label{font-family:var(--font-mono);font-size:var(--text-mono-sm);letter-spacing:var(--tracking-mono);text-transform:uppercase;color:var(--color-text)}.tflow__note{font-size:var(--text-body-sm);line-height:var(--leading-snug);color:var(--color-text-muted);text-wrap:pretty}.tflow__stage{font-family:var(--font-mono);font-size:var(--text-mono-xs);letter-spacing:var(--tracking-mono);color:var(--color-text-faint);font-variant-numeric:tabular-nums;padding-block-start:.125rem}.tflow--compact{padding:var(--space-md)}.tflow--compact .tflow__label{font-size:var(--text-mono-xs);color:var(--color-text-muted)}.tflow--compact .tflow__step{padding-block:var(--space-2xs);grid-template-columns:1.25rem 1fr}.tflow--compact .tflow__step:not(:last-child):before{inset-block-start:1.35rem}@media (width>=48rem){.tflow--horizontal .tflow__list{justify-content:space-between;align-items:flex-start;gap:var(--space-2xs);flex-direction:row}.tflow--horizontal .tflow__step{justify-items:start;gap:var(--space-2xs);flex:1 1 0;grid-template-columns:1fr;min-inline-size:0;padding-block:0}.tflow--horizontal .tflow__step:not(:last-child):before{inline-size:auto;block-size:var(--border-hairline);background:linear-gradient(to right, var(--color-accent-dim), var(--color-border-strong));inset-block:.71875rem auto;inset-inline:1.5rem -.5rem}.tflow--horizontal .tflow__marker{margin-block-start:0}}@media (width>=64rem){.tflow{padding:var(--space-xl)}.tflow__step{gap:var(--space-md);padding-block:var(--space-2xs);grid-template-columns:1.5rem 1fr auto}.tflow__step:not(:last-child):before{inset-inline-start:.71875rem}}@media (prefers-reduced-motion:no-preference){[data-reveal-ready] [data-reveal] .tflow__step{opacity:0}[data-reveal-ready] [data-reveal=shown] .tflow__step{animation:tflow-activate var(--duration-slow) var(--ease-out) both}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="0"]{animation-delay:0s}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="1"]{animation-delay:70ms}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="2"]{animation-delay:.14s}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="3"]{animation-delay:.21s}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="4"]{animation-delay:.28s}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="5"]{animation-delay:.35s}[data-reveal-ready] [data-reveal=shown] .tflow__step[data-step="6"]{animation-delay:.42s}}@keyframes tflow-activate{0%{opacity:0;transform:translateY(.375rem)}to{opacity:1;transform:none}}.tflow--trace .tflow__list{grid-template-columns:1.125rem 1fr;align-items:stretch;display:grid}.tflow--trace .tflow__step{grid-column:2}.tflow__loop{grid-column:1;align-self:stretch;position:relative}.tflow__loop[data-loop-span="2-7"]{grid-row:2/7}.tflow__loop:before{content:"";border:var(--border-hairline) solid var(--color-accent-dim);border-inline-end:none;border-start-start-radius:var(--radius-xs);border-end-start-radius:var(--radius-xs);position:absolute;inset-block:.9rem;inset-inline:.125rem .1875rem}.tflow__loop:after{content:"";border-block-start:var(--border-hairline) solid var(--color-accent);border-inline-start:var(--border-hairline) solid var(--color-accent);block-size:.3125rem;inline-size:.3125rem;position:absolute;inset-block-start:.75rem;inset-inline-start:.0625rem;transform:rotate(45deg)}.tflow__loop-note{align-items:baseline;gap:var(--space-2xs);border-block-start:var(--border-hairline) solid var(--color-border);font-size:var(--text-body-sm);line-height:var(--leading-snug);color:var(--color-text-muted);margin-block-start:var(--space-md);padding-block-start:var(--space-sm);display:flex}.tflow__loop-key{border:var(--border-hairline) solid var(--color-accent-dim);border-inline-end:none;border-start-start-radius:var(--radius-xs);border-end-start-radius:var(--radius-xs);flex:none;align-self:center;block-size:.6875rem;inline-size:.5rem}@media (width>=64rem){.tflow--trace .tflow__list{grid-template-columns:1.375rem 1fr}}.concept{gap:var(--space-xl);flex-direction:column;display:flex}.concept__head{gap:var(--space-sm);flex-direction:column;display:flex}.concept__badge{align-items:center;gap:var(--space-2xs);padding:var(--space-3xs) var(--space-2xs);font-family:var(--font-mono);font-size:var(--text-mono-xs);letter-spacing:var(--tracking-mono);text-transform:uppercase;color:var(--color-accent);background-color:var(--color-accent-softer);border:var(--border-hairline) solid 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.concept__rail-glyph{border-color:var(--color-accent);background-color:var(--color-accent);border-radius:50%}.concept__rail-note{font-size:var(--text-body-sm);color:var(--color-text-faint)}.concept__meta{gap:var(--space-xs);border-block-start:var(--border-hairline) solid var(--color-border);flex-direction:column;padding-block-start:var(--space-md);display:flex}.concept__meta-title{color:var(--color-text-faint)}.concept__meta-list{gap:var(--space-2xs) var(--space-sm);flex-wrap:wrap;list-style:none;display:flex}.concept__meta-item{font-family:var(--font-mono);font-size:var(--text-mono-xs);letter-spacing:var(--tracking-mono);text-transform:uppercase;color:var(--color-text-muted);padding:var(--space-3xs) var(--space-2xs);border:var(--border-hairline) solid var(--color-border);border-radius:var(--radius-xs)}@media (width>=64rem){.concept{column-gap:var(--space-2xl);row-gap:var(--space-xl);grid-template-rows:auto 1fr;grid-template-columns:minmax(18rem,27rem) 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.proof-hero__eyebrow{align-items:center;gap:var(--space-xs);display:flex}.proof-hero__title{font-size:var(--text-display);font-weight:var(--weight-medium);line-height:var(--leading-display);letter-spacing:var(--tracking-display);text-wrap:initial}.proof-hero__title-line{display:block}.proof-hero__accent{color:var(--color-accent-bright)}.proof-hero__lead{max-inline-size:var(--width-reading);font-size:var(--text-lead);line-height:var(--leading-body);color:var(--color-text-muted)}.proof-hero__trace{inline-size:100%}@media (width>=48rem){.proof-hero{padding-block:var(--space-4xl) var(--section-space)}}@media 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var(--color-border)}.eprinciples__index{color:var(--color-accent);font-variant-numeric:tabular-nums;grid-area:1/1;padding-block-start:.4rem}.eprinciples__statement{font-size:var(--text-h3);font-weight:var(--weight-medium);line-height:var(--leading-heading);letter-spacing:var(--tracking-tight);text-wrap:balance;grid-area:1/2}.eprinciples__detail{color:var(--color-text-muted);max-inline-size:var(--width-reading);grid-area:2/2}@media (width>=64rem){.eprinciples__inner{gap:var(--space-2xl);flex-direction:row}.eprinciples__aside{flex:0 0 24rem;align-self:start;position:sticky;inset-block-start:calc(var(--header-height-lg) + var(--space-lg))}.eprinciples__list{flex:1}.eprinciples__item{padding-block:var(--space-xl);grid-template-columns:3.5rem 1fr}}.proof-contact__inner{gap:var(--space-lg);flex-direction:column;align-items:flex-start;display:flex}.proof-contact__title{font-size:var(--text-h3);font-weight:var(--weight-medium);line-height:var(--leading-heading);color:var(--color-text);text-wrap:balance;max-inline-size:30ch}.proof-contact__action{margin:0}.proof-contact__link{align-items:center;gap:var(--space-2xs);min-block-size:2.75rem;font-size:var(--text-lead);color:var(--color-accent);text-decoration-color:var(--color-border-accent);transition:color var(--duration-fast) var(--ease-standard);display:inline-flex}.proof-contact__link:hover{color:var(--color-accent-bright)}.proof-contact__arrow{block-size:1rem;inline-size:1rem;transition:transform var(--duration-base) var(--ease-out);flex:none}.proof-contact__link:hover .proof-contact__arrow{transform:translate(.1875rem)}