:root{--az-blue: #2b6cb0;--az-green: #2f855a;--az-yellow: #c9a227;--az-red: #c53030;--ink: #1a1a1a;--ink-soft: #4a4a4a;--ink-faint: #767676;--line: #e4e1d9;--paper: #faf8f3;--paper-raised: #ffffff;--accent: var(--az-blue);--serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--maxw: 720px;--maxw-wide: 1100px}*{box-sizing:border-box}html{font-size:18px;-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);line-height:1.7;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:1.25rem}.wrap-wide{max-width:var(--maxw-wide)}h1,h2,h3,h4{font-family:var(--sans);line-height:1.2;font-weight:700;color:var(--ink)}h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.02em;margin:0 0 .5rem}h2{font-size:1.6rem;margin:2.5rem 0 .75rem;padding-bottom:.3rem;border-bottom:1px solid var(--line)}h3{font-size:1.2rem;margin:1.75rem 0 .5rem}p{margin:0 0 1.1rem}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px}a:hover{color:var(--az-green)}strong{font-weight:700}small{color:var(--ink-faint)}.lede{font-size:1.2rem;color:var(--ink-soft)}.kicker{font-family:var(--sans);font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.cite{font-family:var(--sans);font-size:.78em;font-weight:600;color:var(--accent);text-decoration:none;white-space:nowrap;padding:0 .1em;vertical-align:baseline;border-bottom:1px dotted color-mix(in srgb,var(--accent) 50%,transparent)}.cite:hover{background:color-mix(in srgb,var(--accent) 10%,transparent);color:var(--az-green)}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}.site-header .bar{display:flex;align-items:center;gap:1.5rem;height:3.75rem}.brand{font-family:var(--sans);font-weight:800;letter-spacing:-.02em;font-size:1.15rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:.5rem}.brand .tif{color:var(--az-red);font-weight:400}.site-nav{margin-left:auto;display:flex;gap:1.25rem}.site-nav a{font-family:var(--sans);font-size:.9rem;font-weight:600;color:var(--ink-soft);text-decoration:none}.site-nav a:hover{color:var(--accent)}.site-footer{margin-top:5rem;border-top:1px solid var(--line);background:var(--paper-raised)}.site-footer .wrap{padding-block:2.5rem}.site-footer p{font-family:var(--sans);font-size:.85rem;color:var(--ink-faint)}.flag-strip{height:4px;display:flex}.flag-strip span{flex:1}.flag-strip .b{background:var(--az-blue)}.flag-strip .g{background:var(--az-green)}.flag-strip .y{background:var(--az-yellow)}.flag-strip .r{background:var(--az-red)}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.card{display:block;padding:0;overflow:hidden;background:var(--paper-raised);border:1px solid var(--line);border-radius:12px;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s,box-shadow .15s}.card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 14px 34px -16px #00000047}.card-img{height:150px;position:relative;overflow:hidden;background:var(--paper)}.card-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.card-img:after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,color-mix(in srgb,var(--az-blue) 62%,transparent),#0d18298c);mix-blend-mode:multiply}.card:hover .card-img:after{background:linear-gradient(150deg,color-mix(in srgb,var(--az-green) 58%,transparent),#0d182980)}.card-body{padding:1.2rem 1.4rem 1.4rem}.card .num{font-family:var(--mono);font-size:.8rem;color:var(--ink-faint)}.card h3{margin:.3rem 0 .4rem;font-size:1.1rem}.card p{font-family:var(--sans);font-size:.9rem;color:var(--ink-soft);margin:0}.card .tag{font-family:var(--sans);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.pillar-banner{position:relative;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);width:100vw;margin-top:-2rem;margin-bottom:2rem;min-height:280px;display:flex;align-items:flex-end;background:#0d1829;color:#fff;overflow:hidden}.pillar-banner>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.pillar-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0d182959,#0d1829d9)}.pillar-banner .inner{position:relative;width:100%;max-width:var(--maxw);margin-inline:auto;padding:2rem 1.25rem}.pillar-banner h1{color:#fff;margin:.3rem 0 0;text-shadow:0 2px 24px rgba(0,0,0,.5)}.pillar-banner .kicker{color:#fff;opacity:.92}.source{padding:1rem 0;border-bottom:1px solid var(--line);scroll-margin-top:5rem}.source:target{background:color-mix(in srgb,var(--az-yellow) 14%,transparent);border-radius:6px;padding-inline:.75rem}.source .meta{font-family:var(--sans);font-size:.8rem;color:var(--ink-faint)}.source .title{font-weight:700}.source .links{font-family:var(--sans);font-size:.8rem}.tier{font-family:var(--sans);font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:.1em .5em;border-radius:999px}.tier-primary{background:color-mix(in srgb,var(--az-red) 15%,transparent);color:var(--az-red)}.tier-peer-reviewed{background:color-mix(in srgb,var(--az-blue) 15%,transparent);color:var(--az-blue)}.tier-reference{background:color-mix(in srgb,var(--az-green) 15%,transparent);color:var(--az-green)}.tier-secondary{background:color-mix(in srgb,var(--ink-faint) 15%,transparent);color:var(--ink-soft)}.hero{margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);width:100vw;margin-top:-2rem;padding:6rem 1.25rem 4.5rem;text-align:center;color:#fff;overflow:hidden;position:relative;background:#0d1829}.hero>img.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%;display:block;z-index:0}.hero:before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(175deg,#0d18299e,#0d1829cc 55%,#0d1829eb),linear-gradient(0deg,color-mix(in srgb,var(--az-blue) 38%,transparent),transparent 60%)}.hero>*:not(img):not(.hero-bg){position:relative;z-index:2;max-width:46rem;margin-inline:auto}.hero .yaz{font-size:4rem;color:var(--az-red);line-height:1;text-shadow:0 2px 24px rgba(0,0,0,.5)}.hero h1{margin-top:1rem;color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.45)}.hero .sub{font-size:1.25rem;color:#ffffffe0;max-width:38rem;margin:.9rem auto 0}.hero .btn-ghost{border-color:#ffffff8c;color:#fff}.hero .btn-ghost:hover{border-color:#fff;background:#ffffff1a}.cta-row{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap;margin-top:1.75rem}.btn{font-family:var(--sans);font-weight:600;font-size:.95rem;padding:.7rem 1.3rem;border-radius:8px;text-decoration:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--az-green);color:#fff}.btn-ghost{border:1px solid var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--accent)}.footer-nav{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;font-family:var(--sans);font-size:.85rem;font-weight:600;padding-bottom:1rem;margin-bottom:.5rem;border-bottom:1px solid var(--line)}.footer-nav a{color:var(--ink-soft);text-decoration:none}.footer-nav a:hover{color:var(--accent);text-decoration:underline}.pillar-nav{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--line)}.pillar-nav a{display:block;padding:.9rem 1.1rem;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:inherit;background:var(--paper-raised);transition:border-color .15s,transform .15s}.pillar-nav a:hover{border-color:var(--accent);transform:translateY(-2px)}.pillar-nav .dir{display:block;font-family:var(--sans);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-faint)}.pillar-nav .lbl{font-family:var(--sans);font-size:.95rem;font-weight:600;color:var(--accent)}.notfound{text-align:center;padding:4rem 0 2rem}.notfound .yaz{font-size:3.5rem;color:var(--az-red);line-height:1}@media(max-width:640px){html{font-size:17px}.site-nav{gap:.9rem;flex-wrap:wrap;row-gap:.4rem}.footer-nav{gap:.4rem 1rem;font-size:.8rem}}