:root{--bg:#fff;--bg-alt:#f5f5f7;--fg:#1d1d1f;--muted:#6e6e73;--tile:#fff;--accent:#0071e3;--link:#06c;--dark-bg:#000;--dark-fg:#f5f5f7;--dark-muted:#a1a1a6;--dark-link:#2997ff;--nav-bg:#ffffffb8;--nav-border:#00000014;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--bg:#000;--bg-alt:#161617;--fg:#f5f5f7;--muted:#a1a1a6;--tile:#1d1d1f;--link:#2997ff;--dark-bg:#2a2a2c;--nav-bg:#161617b8;--nav-border:#ffffff14}}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:48px}body{background:var(--bg);color:var(--fg);letter-spacing:-.022em;-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,Inter,system-ui,sans-serif;font-size:17px;line-height:1.47}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.nav{z-index:10;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%)blur(20px);border-bottom:1px solid var(--nav-border);position:sticky;top:0}.nav-inner{letter-spacing:-.01em;justify-content:space-between;align-items:center;max-width:980px;height:48px;margin:0 auto;padding:0 1rem;font-size:12px;display:flex}.nav a{color:var(--fg);opacity:.85}.nav a:hover{opacity:1;text-decoration:none}.nav-brand{font-size:14px;font-weight:600}.nav-links{gap:1.75rem;display:flex}h1,h2,h3{margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Helvetica Neue,Inter,system-ui,sans-serif;font-weight:600}h1{letter-spacing:-.015em;font-size:clamp(48px,9vw,96px);line-height:1.05}h1 span{display:block}h2{letter-spacing:-.005em;margin-bottom:1.25rem;font-size:clamp(32px,5.5vw,56px);line-height:1.07}h3{margin-bottom:.6rem;font-size:24px;line-height:1.17}.eyebrow{color:var(--muted);margin:0 0 .5rem;font-size:17px;font-weight:600}.lead{color:var(--muted);max-width:40rem;margin:1.25rem auto 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0;display:grid}.tile{background:var(--tile);border-radius:18px;padding:40px 32px;transition:transform .3s,box-shadow .3s}.tile:hover{transform:scale(1.02);box-shadow:0 8px 30px #00000014}.tile p{color:var(--muted);margin:0}footer{background:var(--bg-alt);color:var(--muted);text-align:center;padding:1.25rem 1rem;font-size:12px}@media (prefers-reduced-motion:no-preference){@supports (animation-timeline:view()){.reveal{animation:linear both reveal view();animation-range:entry entry 40%}@keyframes reveal{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:none}}}}@media (width<=600px){.nav-links{gap:1rem}.hero{padding:80px 1rem 72px}.band{padding:72px 1rem}.tile{padding:32px 24px}}.certs{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:980px;margin:3rem auto 0;display:grid}.cert{background:var(--bg-alt);color:var(--fg);border-radius:18px;flex-direction:column;gap:.35rem;padding:24px;display:flex}a.cert:hover{text-decoration:none;transition:transform .3s;transform:scale(1.02)}.cert-issuer{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px;font-weight:600}.cert-name{font-size:19px;font-weight:600;line-height:1.25}.tile-link{color:var(--fg);display:block}.tile-link:hover{text-decoration:none}.band-gray>.center{margin-top:2.5rem}.prose{max-width:692px;margin:0 auto;padding:80px 1rem 100px}.prose h1{margin:.25rem 0 .5rem;font-size:clamp(36px,6vw,56px)}.prose .lead{margin:0 0 2.5rem}.prose h2{margin:2.5rem 0 .75rem;font-size:28px}.prose p,.prose li{font-size:19px;line-height:1.6}.prose ul{padding-left:1.25rem}.prose hr{border:0;border-top:1px solid var(--nav-border);margin:3rem 0}.prose code{word-break:break-all;font-size:.85em}.back{margin-bottom:1.5rem;font-size:17px;display:inline-block}.eyebrow{display:block}.small{color:var(--muted);margin-top:2rem;font-size:14px}footer a{color:var(--muted)}.sep{opacity:.5;margin:0 .5rem}@media (width<=600px){.nav-links{gap:.75rem}.nav-inner{font-size:11px}}.band-gray .certs{margin-top:0}.cert{background:var(--tile)}@media (prefers-reduced-motion:no-preference){.stagger>*{animation:.7s cubic-bezier(.2,.7,.2,1) backwards rise}.stagger>:first-child{animation-delay:.1s}.stagger>:nth-child(2){animation-delay:.35s}.stagger>:nth-child(3){animation-delay:.6s}.stagger>:nth-child(4){animation-delay:.85s}.stagger>:nth-child(5){animation-delay:1.1s}.stagger>:nth-child(6){animation-delay:1.35s}.stagger>:nth-child(n+7){animation-delay:1.6s}@keyframes rise{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}}