:root{
  --navy-950:#071522;--navy-900:#0b1f33;--navy-800:#12314b;--navy-700:#1b4764;
  --slate-800:#34495a;--slate-700:#4c6272;--slate-600:#627786;--slate-500:#7d919e;
  --slate-300:#c8d4dc;--slate-200:#dce5ea;--slate-100:#edf2f5;--slate-50:#f7f9fa;
  --white:#fff;--amber-600:#d98211;--amber-500:#f0a12d;--amber-400:#ffc15f;--amber-100:#fff1d9;
  --teal-600:#0d907d;--teal-500:#19a68e;--teal-100:#e6f7f3;
  --red-600:#b3423b;--red-100:#fdecea;
  --shadow-sm:0 3px 12px rgba(7,21,34,.08);--shadow-md:0 14px 40px rgba(7,21,34,.12);--shadow-lg:0 24px 70px rgba(7,21,34,.18);
  --radius-sm:.65rem;--radius-md:1rem;--radius-lg:1.5rem;--radius-xl:2rem;
  --container:75rem;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:7rem}
body{margin:0;font-family:var(--font);color:var(--navy-900);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto}
a{color:var(--navy-700);text-decoration-thickness:.08em;text-underline-offset:.18em}
a:hover{color:var(--amber-600)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--amber-400);outline-offset:3px;border-radius:.3rem}
::selection{background:var(--amber-100);color:var(--navy-950)}
.container{width:min(calc(100% - 2rem),var(--container));margin-inline:auto}
.narrow{width:min(calc(100% - 2rem),49rem);margin-inline:auto}
.section{padding:clamp(4.25rem,8vw,7rem) 0}
.section-sm{padding:clamp(3rem,5vw,4.5rem) 0}
.section-muted{background:var(--slate-50)}
.section-dark{background:linear-gradient(145deg,var(--navy-950),var(--navy-800));color:var(--white)}
.section-dark p,.section-dark .eyebrow{color:#c6d7e2}
.section-dark h2,.section-dark h3{color:#fff}
.skip-link{position:absolute;top:-5rem;left:1rem;background:#fff;color:#000;padding:.75rem 1rem;z-index:9999;border-radius:.5rem}.skip-link:focus{top:1rem}
.announcement{background:var(--navy-950);color:#d9e7ef;font-size:.86rem;padding:.55rem 0;text-align:center}
.announcement strong{color:var(--amber-400)}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);border-bottom:1px solid rgba(200,212,220,.78);backdrop-filter:blur(18px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:4.75rem;gap:1rem}
.brand{display:inline-flex;align-items:center;gap:.72rem;text-decoration:none;color:var(--navy-950);font-weight:800;letter-spacing:-.025em;line-height:1.1}
.brand img{width:2.55rem;height:2.55rem}.brand span{max-width:11rem}
.nav-list{display:flex;align-items:center;gap:.15rem;list-style:none;margin:0;padding:0}
.nav-list a{display:block;padding:.72rem .78rem;color:var(--slate-800);font-weight:650;text-decoration:none;font-size:.94rem;border-radius:.6rem}
.nav-list a:hover,.nav-list a[aria-current="page"]{background:var(--slate-100);color:var(--navy-950)}
.header-actions{display:flex;align-items:center;gap:.75rem}
.menu-toggle{display:none;border:0;background:transparent;padding:.55rem;color:var(--navy-900)}
.menu-toggle svg{width:1.65rem;height:1.65rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;border:1px solid transparent;border-radius:.75rem;padding:.82rem 1.15rem;font-weight:800;text-decoration:none;line-height:1.2;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn:hover{transform:translateY(-1px);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--amber-400),var(--amber-500));color:var(--navy-950);box-shadow:0 10px 24px rgba(217,130,17,.22)}
.btn-primary:hover{color:var(--navy-950);box-shadow:0 13px 30px rgba(217,130,17,.3)}
.btn-secondary{background:var(--navy-900);color:#fff}.btn-secondary:hover{background:var(--navy-800);color:#fff}
.btn-outline{border-color:var(--slate-300);color:var(--navy-900);background:#fff}.btn-outline:hover{border-color:var(--navy-700);color:var(--navy-900)}
.btn-light{background:#fff;color:var(--navy-950)}
.btn-small{padding:.67rem .9rem;font-size:.9rem}
.icon{width:1.15rem;height:1.15rem;flex:none}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;margin:0 0 1rem;color:var(--teal-600);font-size:.78rem;font-weight:850;letter-spacing:.115em;text-transform:uppercase}
.eyebrow:before{content:"";width:1.7rem;height:2px;background:currentColor}
h1,h2,h3,h4{margin:0;color:var(--navy-950);line-height:1.12;letter-spacing:-.035em}
h1{font-size:clamp(2.75rem,6.4vw,5.35rem);max-width:13ch}
h2{font-size:clamp(2.05rem,4vw,3.6rem);max-width:18ch}
h3{font-size:clamp(1.24rem,2vw,1.55rem)}
p{margin:0 0 1rem;color:var(--slate-700)}
.lead{font-size:clamp(1.08rem,2vw,1.34rem);line-height:1.6;color:var(--slate-700);max-width:46rem}
.hero{position:relative;overflow:hidden;background:linear-gradient(150deg,#fff 0%,#f5f8fa 55%,#eaf1f5 100%);padding:clamp(4.5rem,8vw,7.6rem) 0 clamp(4rem,7vw,6.5rem)}
.hero:before{content:"";position:absolute;width:38rem;height:38rem;border-radius:50%;background:radial-gradient(circle,rgba(242,169,59,.2),rgba(242,169,59,0) 67%);top:-22rem;left:-14rem}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(22rem,.98fr);align-items:center;gap:clamp(2rem,5vw,5.5rem)}
.hero-copy .lead{margin:1.45rem 0 1.75rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-bottom:1.5rem}
.hero-trust{display:flex;flex-wrap:wrap;gap:.55rem 1.25rem;color:var(--slate-700);font-size:.92rem;font-weight:700}
.hero-trust span{display:flex;align-items:center;gap:.42rem}.hero-trust svg{color:var(--teal-600)}
.hero-visual{position:relative}.hero-visual img{display:block;filter:drop-shadow(0 28px 34px rgba(7,21,34,.18))}
.floating-note{position:absolute;left:-1.35rem;bottom:1.2rem;width:min(18rem,68%);background:#fff;padding:1rem 1.1rem;border:1px solid var(--slate-200);border-radius:1rem;box-shadow:var(--shadow-md)}
.floating-note strong{display:block;font-size:.95rem}.floating-note span{font-size:.82rem;color:var(--slate-600)}
.trust-band{border-top:1px solid var(--slate-200);border-bottom:1px solid var(--slate-200);background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.trust-item{padding:1.35rem 1.5rem;display:flex;align-items:center;justify-content:center;gap:.75rem;text-align:left;color:var(--slate-700);font-weight:750;font-size:.94rem}
.trust-item+ .trust-item{border-left:1px solid var(--slate-200)}
.trust-item svg{color:var(--teal-600);width:1.35rem;height:1.35rem}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:clamp(2rem,4vw,3.3rem)}
.section-head p{max-width:36rem;margin:0}.section-head.center{display:block;text-align:center}.section-head.center h2,.section-head.center p{margin-inline:auto}.section-head.center p{margin-top:1rem}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.15rem}
.card{background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius-lg);padding:clamp(1.3rem,2.6vw,2rem);box-shadow:var(--shadow-sm)}
.card h3{margin-bottom:.72rem}.card p:last-child{margin-bottom:0}
.icon-box{width:3rem;height:3rem;display:grid;place-items:center;border-radius:.9rem;background:var(--amber-100);color:var(--amber-600);margin-bottom:1.1rem}.icon-box.teal{background:var(--teal-100);color:var(--teal-600)}.icon-box.navy{background:#e9eff3;color:var(--navy-800)}
.icon-box svg{width:1.5rem;height:1.5rem}
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}
.stat{padding:1.6rem;border-radius:var(--radius-lg);background:var(--navy-900);color:#fff;min-height:10rem;display:flex;flex-direction:column;justify-content:center}
.stat strong{display:block;font-size:clamp(2rem,5vw,3.3rem);color:var(--amber-400);line-height:1;margin-bottom:.65rem}.stat span{color:#d2e1ea;font-weight:650}.stat-source{margin-top:1rem;font-size:.77rem;color:var(--slate-600)}
.check-list{display:grid;gap:.8rem;list-style:none;padding:0;margin:1.3rem 0 0}.check-list li{display:flex;gap:.72rem;align-items:flex-start;color:var(--slate-700)}.check-list svg{width:1.25rem;height:1.25rem;color:var(--teal-600);margin-top:.2rem;flex:none}
.feature-list{display:grid;gap:1rem}.feature{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start}.feature strong{display:block;margin-bottom:.18rem}.feature p{margin:0}
.process-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;counter-reset:step}.process-card{position:relative;padding:1.55rem;border:1px solid var(--slate-200);border-radius:var(--radius-lg);background:#fff}.process-card:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:2.35rem;height:2.35rem;border-radius:50%;background:var(--navy-900);color:#fff;font-weight:850;margin-bottom:1rem}.process-card h3{font-size:1.2rem;margin-bottom:.55rem}.process-card p{font-size:.95rem;margin:0}
.example{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem);background:linear-gradient(145deg,var(--navy-950),var(--navy-800));border-radius:var(--radius-xl);padding:clamp(1.6rem,5vw,3.5rem);color:#fff;box-shadow:var(--shadow-lg)}
.example h2,.example h3{color:#fff}.example p{color:#c8d9e3}.math-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:1.2rem;padding:1.4rem}.math-row{display:flex;justify-content:space-between;gap:1rem;padding:.72rem 0;border-bottom:1px solid rgba(255,255,255,.13);color:#d6e4ec}.math-row:last-child{border-bottom:0}.math-row strong{color:#fff}.math-total{font-size:1.15rem}.math-total strong{color:var(--amber-400);font-size:1.5rem}
.control-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.control{border-top:4px solid var(--teal-500)}
.callout{display:flex;align-items:flex-start;gap:1rem;background:var(--amber-100);border:1px solid #f5d69e;border-radius:var(--radius-lg);padding:1.2rem 1.3rem}.callout svg{color:var(--amber-600);width:1.4rem;height:1.4rem;flex:none;margin-top:.15rem}.callout p{margin:0;color:#6a4d1a}
.cta-band{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--navy-950),var(--navy-700));border-radius:var(--radius-xl);padding:clamp(2rem,5vw,4rem);color:#fff}.cta-band:after{content:"";position:absolute;width:22rem;height:22rem;border-radius:50%;background:radial-gradient(circle,rgba(242,169,59,.34),rgba(242,169,59,0) 70%);right:-8rem;top:-12rem}.cta-band>*{position:relative;z-index:1}.cta-band h2{color:#fff}.cta-band p{color:#d1e0e9;max-width:40rem;margin:1rem 0 1.5rem}.cta-actions{display:flex;flex-wrap:wrap;gap:.85rem}
.page-hero{background:linear-gradient(145deg,var(--navy-950),var(--navy-800));padding:clamp(3.7rem,7vw,6rem) 0;color:#fff}.page-hero h1{color:#fff;max-width:16ch;font-size:clamp(2.45rem,5.5vw,4.5rem)}.page-hero .lead{color:#ccdae3;margin-top:1.2rem;max-width:48rem}.breadcrumbs{display:flex;flex-wrap:wrap;gap:.45rem;color:#adc1ce;font-size:.86rem;margin-bottom:1.4rem}.breadcrumbs a{color:#fff}.breadcrumbs span[aria-current="page"]{color:#adc1ce}
.content h2{margin:2.4rem 0 .95rem}.content h3{margin:1.8rem 0 .7rem}.content p,.content li{font-size:1.02rem}.content ul,.content ol{color:var(--slate-700)}
.detail-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(17rem,.75fr);gap:clamp(2rem,5vw,4rem);align-items:start}.sidebar{position:sticky;top:7rem}.sidebar .card{box-shadow:none}.sidebar-nav{list-style:none;padding:0;margin:0}.sidebar-nav a{display:block;padding:.55rem 0;text-decoration:none;font-weight:700;border-bottom:1px solid var(--slate-200)}
.category{display:grid;grid-template-columns:5rem 1fr;gap:1.2rem;padding:2rem 0;border-bottom:1px solid var(--slate-200)}.category:last-child{border-bottom:0}.category-num{font-size:2.3rem;font-weight:900;color:var(--slate-300);line-height:1}.category h2{font-size:1.65rem;margin-bottom:.5rem}.category-meta{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}.mini-panel{background:var(--slate-50);border-radius:.8rem;padding:1rem}.mini-panel strong{display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--navy-700);margin-bottom:.3rem}.mini-panel p{font-size:.93rem;margin:0}
.form-shell{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(19rem,.9fr);gap:clamp(2rem,5vw,4rem);align-items:start}.form-card{background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius-xl);padding:clamp(1.4rem,4vw,2.5rem);box-shadow:var(--shadow-md)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.field{display:grid;gap:.35rem}.field.full{grid-column:1/-1}.field label{font-size:.9rem;font-weight:800;color:var(--navy-900)}.field small{color:var(--slate-600)}input,select,textarea{width:100%;border:1px solid var(--slate-300);background:#fff;border-radius:.65rem;padding:.82rem .9rem;color:var(--navy-950);transition:border-color .18s,box-shadow .18s}input:hover,select:hover,textarea:hover{border-color:var(--slate-500)}input:focus,select:focus,textarea:focus{outline:0;border-color:var(--teal-500);box-shadow:0 0 0 4px rgba(25,166,142,.13)}textarea{min-height:8.5rem;resize:vertical}.checkbox{display:flex;gap:.7rem;align-items:flex-start}.checkbox input{width:1.1rem;height:1.1rem;margin-top:.25rem}.checkbox label{font-size:.88rem;color:var(--slate-700)}.form-status{display:none;margin-top:1rem;padding:1rem;border-radius:.75rem}.form-status.is-visible{display:block}.form-status.success{background:var(--teal-100);color:#096d5e}.form-status.error{background:var(--red-100);color:var(--red-600)}.form-helper{font-size:.86rem;color:var(--slate-600);margin-top:1rem}.required{color:var(--red-600)}
.faq-list{display:grid;gap:.8rem}.faq-item{border:1px solid var(--slate-200);border-radius:1rem;background:#fff;overflow:hidden}.faq-question{width:100%;border:0;background:#fff;color:var(--navy-950);display:flex;justify-content:space-between;gap:1rem;align-items:center;text-align:left;padding:1.15rem 1.25rem;font-weight:850}.faq-question svg{width:1.2rem;height:1.2rem;transition:transform .2s}.faq-question[aria-expanded="true"] svg{transform:rotate(45deg)}.faq-answer{display:none;padding:0 1.25rem 1.2rem}.faq-answer.open{display:block}.faq-answer p:last-child{margin-bottom:0}
.article-meta{display:flex;flex-wrap:wrap;gap:.8rem 1.3rem;color:#b7cad6;font-size:.88rem;margin-top:1.25rem}.article-body{font-size:1.03rem}.article-body h2{max-width:28ch}.article-body blockquote{margin:2rem 0;padding:1.3rem 1.5rem;border-left:5px solid var(--amber-500);background:var(--amber-100);color:#654b1f;font-weight:700}.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.95rem}.article-body th,.article-body td{text-align:left;padding:.85rem;border:1px solid var(--slate-200);vertical-align:top}.article-body th{background:var(--navy-900);color:#fff}.source-list{font-size:.9rem;padding-left:1.2rem}.source-list li{margin-bottom:.55rem}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}.resource-card{display:flex;flex-direction:column;height:100%}.resource-card .resource-type{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--teal-600);font-weight:850;margin-bottom:.8rem}.resource-card h2{font-size:1.4rem;margin-bottom:.7rem}.resource-card p{flex:1}.resource-card a{font-weight:850;text-decoration:none}
.founder-card{display:grid;grid-template-columns:auto 1fr;gap:1.4rem;align-items:center}.avatar{width:5rem;height:5rem;border-radius:1.2rem;background:linear-gradient(145deg,var(--navy-900),var(--navy-700));color:#fff;display:grid;place-items:center;font-size:1.65rem;font-weight:900}
.site-footer{background:var(--navy-950);color:#bfd0db;padding:4rem 0 1.5rem}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:2.5rem}.footer-brand p{color:#9fb5c3;max-width:24rem;margin-top:1rem}.footer-title{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:#fff;font-weight:850;margin-bottom:.9rem}.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}.footer-links a{color:#bfd0db;text-decoration:none}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid rgba(255,255,255,.13);margin-top:3rem;padding-top:1.3rem;font-size:.8rem;color:#8fa7b6}.footer-bottom p{color:inherit;margin:0}.footer-disclaimer{font-size:.78rem;color:#91a7b5;margin-top:1.2rem;max-width:55rem}
.back-to-top{position:fixed;right:1rem;bottom:1rem;width:2.8rem;height:2.8rem;border:0;border-radius:50%;background:var(--navy-900);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transform:translateY(.5rem);transition:.2s}.back-to-top.visible{opacity:1;pointer-events:auto;transform:none}
.print-only{display:none}
@media (max-width:1040px){.nav-list a{padding:.65rem .55rem;font-size:.88rem}.header-cta{display:none}.grid-4,.control-grid{grid-template-columns:repeat(2,1fr)}.process-grid{grid-template-columns:repeat(2,1fr)}.resource-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2/4}}
@media (max-width:820px){html{scroll-padding-top:5.5rem}.announcement{text-align:left}.menu-toggle{display:grid}.main-nav{position:fixed;inset:5.35rem 1rem auto 1rem;background:#fff;border:1px solid var(--slate-200);border-radius:1rem;box-shadow:var(--shadow-lg);padding:.6rem;opacity:0;transform:translateY(-.5rem);pointer-events:none;transition:.18s}.main-nav.open{opacity:1;transform:none;pointer-events:auto}.nav-list{display:grid}.nav-list a{padding:.9rem}.hero-grid,.form-shell,.detail-grid,.example{grid-template-columns:1fr}.hero-visual{max-width:43rem;margin-inline:auto}.floating-note{left:.7rem}.trust-grid{grid-template-columns:1fr}.trust-item{justify-content:flex-start}.trust-item+.trust-item{border-left:0;border-top:1px solid var(--slate-200)}.grid-3,.stat-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:1rem}.sidebar{position:static}.category-meta{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:last-child{grid-column:auto}}
@media (max-width:580px){.container,.narrow{width:min(calc(100% - 1.25rem),var(--container))}.announcement{font-size:.78rem}.brand span{font-size:.92rem;max-width:8.7rem}.header-inner{min-height:4.4rem}.hero{padding-top:3.6rem}.hero-actions,.cta-actions{display:grid}.hero-actions .btn,.cta-actions .btn{width:100%}.hero-trust{display:grid}.grid-2,.grid-3,.grid-4,.stat-grid,.process-grid,.control-grid,.resource-grid,.footer-grid,.form-grid{grid-template-columns:1fr}.floating-note{position:static;width:auto;margin-top:1rem}.example{padding:1.25rem}.category{grid-template-columns:1fr}.category-num{font-size:1rem;color:var(--amber-600)}.form-card{padding:1.15rem}.footer-grid>div:last-child{grid-column:auto}.footer-bottom{display:grid}.page-hero{padding-top:3rem}.article-body table{display:block;overflow-x:auto;white-space:nowrap}.founder-card{grid-template-columns:1fr}.avatar{width:4rem;height:4rem}.back-to-top{width:2.5rem;height:2.5rem}}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}.reveal{opacity:1!important;transform:none!important}}
.reveal{opacity:1;transform:none}.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}.js .reveal.visible{opacity:1;transform:none}
@media print{.announcement,.site-header,.site-footer,.back-to-top,.no-print,.cta-band{display:none!important}.print-only{display:block}.section,.section-sm{padding:1rem 0}.page-hero{background:#fff;color:#000;padding:1rem 0}.page-hero h1,.page-hero .lead{color:#000}.container,.narrow{width:100%}.card{box-shadow:none}.article-body a:after{content:" (" attr(href) ")";font-size:.8em}}

.detail-grid>*{min-width:0}.article-body{min-width:0}.article-body table{max-width:100%}
@media (max-width:580px){.article-body table{width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.article-body th,.article-body td{min-width:9rem}}