:root{--navy-950:#07182e;--navy-900:#0a2540;--navy-800:#113459;--navy-700:#1a4b7a;--navy-line:rgba(255,255,255,0.18);--accent:#1668e3;--accent-hover:#0f52b8;--sky:#7fb3f7;--sky-soft:#b9d5fb;--utility-bg:#eaf2fc;--ink:#0f172a;--muted:#475569;--muted-light:#64748b;--line:#e2e8f0;--surface:#ffffff;--surface-alt:#f6f9fd;--tier1:#0f766e;--tier2:#1668e3;--tier3:#b45309;--tier4:#7c3aed;--maxw:1200px;--radius:6px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--surface);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{max-width:var(--maxw);margin:0 auto;padding:0 2rem}.utility{background:var(--utility-bg);font-size:.875rem}.utility-inner{display:flex;justify-content:flex-end;align-items:center;gap:1.5rem;height:44px}.utility a{color:var(--navy-900)}.utility .divider{width:1px;height:18px;background:rgba(10,37,64,.25)}.masthead{background:var(--surface);border-bottom:1px solid var(--line)}.masthead-inner{display:flex;align-items:center;gap:2.5rem;min-height:88px}.wordmark{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;color:var(--navy-900);white-space:nowrap}.wordmark:hover{text-decoration:none}.wordmark span{color:var(--accent)}.nav{display:flex;gap:1.75rem;flex:1 1}.nav a{color:var(--navy-900);font-size:.9375rem;font-weight:500;padding:.25rem 0;border-bottom:2px solid transparent}.nav a:hover{text-decoration:none;border-bottom-color:var(--accent)}.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--accent);color:#fff;font-weight:600;font-size:.9375rem;padding:.8rem 1.5rem;border-radius:2px;border:none;cursor:pointer;white-space:nowrap}.btn:hover{background:var(--accent-hover);text-decoration:none}.btn-ghost{background:transparent;color:var(--navy-900);border:1px solid rgba(10,37,64,.3)}.btn-ghost:hover{background:rgba(10,37,64,.05)}.hero{background:var(--navy-900);color:#fff;position:relative;overflow:hidden}.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-gap:3rem;gap:3rem;align-items:center;padding:4.5rem 0 3.5rem}.hero h1{font-size:clamp(2.25rem,4vw,3.25rem);line-height:1.12;letter-spacing:-.02em;font-weight:600;margin:0;padding:.25rem 0 .25rem 1.75rem;border-left:3px solid var(--sky)}.hero p.lede{font-size:1.0625rem;color:var(--sky-soft);max-width:34rem;margin:1.75rem 0 0 1.75rem}.hero-actions{display:flex;gap:1rem;margin:2rem 0 0 1.75rem;flex-wrap:wrap}.btn-on-navy-secondary{background:transparent;border:1px solid rgba(255,255,255,.45);color:#fff}.btn-on-navy-secondary:hover{background:rgba(255,255,255,.1)}.cardstrip{background:var(--navy-900);border-top:1px solid var(--navy-line)}.cardstrip-inner{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:3rem 0 3.5rem}.card{padding:0 1.75rem;border-left:1px solid var(--navy-line)}.card:first-child{padding-left:0;border-left:none}.card h3{font-size:1.0625rem;font-weight:600;color:#fff;margin:0 0 .75rem;line-height:1.35}.card p{font-size:.9375rem;color:var(--sky-soft);margin:0 0 1.25rem}.card a.cardlink{color:var(--sky);font-size:.9375rem;font-weight:500}.section{padding:4.5rem 0}.section-alt{background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section h2{font-size:1.875rem;letter-spacing:-.015em;margin:0 0 .75rem;color:var(--navy-900)}.section .sub{color:var(--muted);max-width:46rem;margin:0 0 2.5rem}.tiergrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));grid-gap:1.25rem;gap:1.25rem}.tier{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--tier-color,var(--accent));border-radius:var(--radius);padding:1.35rem}.tier .badge{display:inline-block;font-size:.6875rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--tier-color,var(--accent));margin-bottom:.5rem}.tier h4{margin:0 0 .5rem;font-size:1rem;color:var(--navy-900)}.tier p{margin:0 0 .75rem;font-size:.875rem;color:var(--muted)}.tier .egs{font-size:.8125rem;color:var(--muted-light)}.excluded{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:1rem;gap:1rem;margin-top:1rem}.excluded li{list-style:none;padding:1rem 1.15rem;background:var(--surface);border:1px solid var(--line);border-left:3px solid #dc2626;border-radius:var(--radius);font-size:.9375rem;color:var(--muted)}.excluded strong{display:block;color:var(--navy-900);margin-bottom:.2rem}.footer{background:var(--navy-950);color:var(--sky-soft);padding:3rem 0 2rem;font-size:.9375rem}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);grid-gap:2.5rem;gap:2.5rem}.footer h5{color:#fff;font-size:.8125rem;text-transform:uppercase;letter-spacing:.07em;margin:0 0 .9rem}.footer a{color:var(--sky-soft);display:block;margin-bottom:.5rem}.footer a:hover{color:#fff}.footer-base{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--navy-line);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;color:#7c9cc4;font-size:.875rem}@media (max-width:980px){.hero-inner{grid-template-columns:1fr}.hero-visual{display:none}.cardstrip-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem 0}.card:nth-child(3){padding-left:0;border-left:none}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:700px){.shell{padding:0 1.25rem}.nav,.utility .hide-sm{display:none}.cardstrip-inner{grid-template-columns:1fr}.card{padding-left:0;border-left:none;border-top:1px solid var(--navy-line);padding-top:1.5rem}.card:first-child{border-top:none;padding-top:0}}.ca-spin{width:13px;height:13px;border:2px solid var(--sky-soft);border-top-color:var(--accent);border-radius:999px;display:inline-block;animation:ca-spin .7s linear infinite}@keyframes ca-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.ca-spin{animation:ca-pulse 1.4s ease-in-out infinite}@keyframes ca-pulse{0%,to{opacity:1}50%{opacity:.35}}}.research-shell{display:grid;grid-template-columns:264px minmax(0,1fr);min-height:calc(100vh - 220px)}.research-aside{border-right:1px solid var(--line);padding:1.5rem 1.25rem;background:var(--surface-alt)}.research-main{padding:2rem 2.5rem 3rem;min-width:0}@media (max-width:900px){.research-shell{grid-template-columns:1fr}.research-aside{border-right:0;border-bottom:1px solid var(--line)}.research-main{padding:1.5rem 1.25rem 2.5rem}}