.about-hero{padding-bottom:clamp(3.5rem,2rem + 5vw,6rem);overflow:clip}.about-hero-inner{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:start;gap:clamp(2.5rem,1rem + 4vw,5rem);display:grid}.about-hero-copy{top:calc(var(--header-h) + var(--space-12));gap:var(--space-6);padding-top:var(--space-6);flex-direction:column;display:flex;position:sticky}@media (max-width:960px){.about-hero-inner{grid-template-columns:minmax(0,1fr)}.about-hero-copy{padding-top:0;position:static}}.terminal{border:1px solid var(--hairline-strong);border-radius:var(--radius-lg);background:var(--surface-sunken);margin:0;position:relative;overflow:hidden;box-shadow:inset 0 1px #e1fff00f,0 30px 80px -30px #000c}.terminal:before{content:"";background:linear-gradient(90deg, transparent, var(--accent), transparent);opacity:.6;height:1px;position:absolute;top:-1px;left:15%;right:15%}.terminal-bar{padding:var(--space-3) var(--space-5);border-bottom:1px solid var(--hairline);background:var(--bg-raised);align-items:center;display:flex}.terminal-path{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted)}.terminal-path:before{content:">";color:var(--accent);margin-right:.6em}.terminal-body{padding:var(--space-6);font-family:var(--font-mono);font-size:var(--text-sm);line-height:1.7}.terminal-line{margin:0 0 var(--space-3)}.terminal-line:last-child{margin-bottom:0}.terminal-command{color:var(--accent)}.terminal-output{margin-bottom:var(--space-5);padding-left:var(--space-4);color:var(--text-secondary);border-left:1px solid var(--hairline-strong)}.terminal [data-reveal]{transition-delay:calc(var(--reveal-i,0) * .14s + .2s)}.terminal-caret{vertical-align:-.2em;background:var(--accent);width:.55em;height:1.1em;animation:1s step-end infinite terminal-blink;display:inline-block}@keyframes terminal-blink{50%{opacity:0}}@media (max-width:640px){.terminal-body{padding:var(--space-5);font-size:var(--text-xs)}}.pillar-grid{border-top:1px solid var(--hairline);grid-template-columns:repeat(2,minmax(0,1fr));list-style:none;display:grid}.pillar{gap:var(--space-3);padding:var(--space-10) var(--space-10) var(--space-10) 0;border-bottom:1px solid var(--hairline);flex-direction:column;display:flex}.pillar:nth-child(2n){padding-left:var(--space-10);border-left:1px solid var(--hairline);padding-right:0}.pillar-title{font-size:var(--text-3xl);font-weight:var(--weight-medium);letter-spacing:var(--tracking-display);line-height:1.05}.pillar-text{max-width:34ch;font-size:var(--text-lg);color:var(--text-secondary);margin:0}.pillar-foot{margin:var(--space-8) 0 0;color:var(--text-secondary);flex-wrap:wrap;align-items:baseline;gap:.4em;display:flex}@media (max-width:760px){.pillar-grid{grid-template-columns:minmax(0,1fr)}.pillar,.pillar:nth-child(2n){padding:var(--space-8) 0;border-left:0}.pillar-title{font-size:var(--text-2xl)}}.principles{border-top:1px solid var(--hairline);list-style:none}.principle{border-bottom:1px solid var(--hairline);transition:background-color var(--dur-base) var(--ease-out)}.principle[data-open]{background:linear-gradient(90deg, color-mix(in srgb, var(--accent) 4%, transparent), transparent 75%)}.principle-head{font-size:inherit;letter-spacing:normal;margin:0}.principle-toggle{align-items:baseline;gap:var(--space-6);width:100%;padding:var(--space-8) var(--space-2);color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:3rem minmax(0,1fr) minmax(0,1.3fr) 2.5rem;display:grid}.principle-index{font-family:var(--font-mono);font-size:var(--text-sm);color:var(--accent)}.principle-title{font-family:var(--font-display);font-size:var(--text-2xl);font-weight:var(--weight-medium);letter-spacing:var(--tracking-tight);color:var(--text);line-height:1.15}.principle-short{font-size:var(--text-base);color:var(--text-secondary);line-height:var(--leading-body)}.principle-icon{border:1px solid var(--hairline-strong);border-radius:var(--radius-xs);width:32px;height:32px;color:var(--text-secondary);transition:color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);justify-content:center;place-self:center end;align-items:center;display:inline-flex}.principle-icon svg{width:14px;height:14px;transition:transform var(--dur-base) var(--ease-out)}.principle-toggle:hover .principle-icon,.principle[data-open] .principle-icon{color:var(--accent);border-color:var(--hairline-accent)}.principle[data-open] .principle-icon svg{transform:rotate(45deg)}.principle-detail{opacity:0;transition:grid-template-rows var(--dur-slow) var(--ease-out), opacity var(--dur-base) var(--ease-out);grid-template-rows:0fr;display:grid}.principle[data-open] .principle-detail{opacity:1;grid-template-rows:1fr}.principle-detail-inner{gap:var(--space-6);min-height:0;padding-inline:var(--space-2);grid-template-columns:3rem minmax(0,1fr) minmax(0,1.3fr) 2.5rem;display:grid;overflow:hidden}.principle-description{margin:0 0 var(--space-8);color:var(--text);line-height:var(--leading-body);grid-column:2}.principle-example{margin-bottom:var(--space-8);padding:var(--space-5);background:var(--surface-sunken);border:1px solid var(--hairline);border-left:2px solid var(--accent);border-radius:var(--radius-sm);grid-column:3}.principle-example h4{margin:0 0 var(--space-2);font-family:var(--font-mono);font-size:var(--text-2xs);font-weight:var(--weight-regular);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--accent)}.principle-example p{font-size:var(--text-sm);margin:0}@media (max-width:900px){.principle-toggle{gap:var(--space-2) var(--space-4);padding-block:var(--space-6);grid-template-columns:2.25rem minmax(0,1fr) 2rem;grid-template-areas:"index title icon"".short short"}.principle-index{grid-area:index}.principle-title{font-size:var(--text-xl);grid-area:title}.principle-short{grid-area:short}.principle-icon{grid-area:icon}.principle-detail-inner{gap:var(--space-4);grid-template-columns:2.25rem minmax(0,1fr)}.principle-description,.principle-example{grid-column:2}.principle-description{margin-bottom:var(--space-4)}}.timeline-badge{width:8.5rem;margin-top:var(--space-3)}