:root{
  --navy:#052d5b; --navy-2:#0a3d78; --navy-ink:#021a36; --navy-deep:#011226;
  --brass:#b8955a; --brass-2:#d4b98a;
  --grey:#717275; --ink:#1a2030; --muted:#566074;
  --line:#e2e6ed; --bg:#ffffff; --bg-alt:#f5f6f8; --tint:#eaf0f8;
  --radius:10px; --wrap:1180px;
  --sans:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--navy-2)}
h1,h2,h3,h4{line-height:1.18;color:var(--navy-ink);margin:0 0 .5em}
h1,h2{font-family:var(--serif);font-weight:600;letter-spacing:-.015em}
h1{font-size:clamp(2.3rem,5.2vw,3.9rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
h3{font-size:1.18rem;font-weight:650;letter-spacing:-.005em}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid #6aa3ff;outline-offset:2px}

/* utility bar */
.utility{background:var(--navy-deep);color:#9fb0c8;font-size:.8rem;letter-spacing:.02em}
.utility .wrap{display:flex;justify-content:flex-end;gap:26px;padding-top:7px;padding-bottom:7px}
.utility a{color:#c9d5e6;text-decoration:none}
.utility a:hover{color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:50px;height:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text b{font-weight:700;font-size:1.02rem;color:var(--navy);letter-spacing:.16em;text-transform:uppercase}
.brand-text small{font-weight:500;font-size:.72rem;color:var(--grey);letter-spacing:.3em;text-transform:uppercase;margin-top:3px}
.nav nav{display:flex;align-items:center;gap:30px}
.nav nav a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem;position:relative}
.nav nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--brass);transform:scaleX(0);transition:transform .2s}
.nav nav a:not(.btn):hover::after,.nav nav a[aria-current]::after{transform:scaleX(1)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;text-decoration:none;font-weight:600;font-size:.97rem;padding:13px 22px;border-radius:6px;border:2px solid var(--navy);transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--navy-2);border-color:var(--navy-2)}
.btn-sm{padding:8px 16px;font-size:.9rem;color:#fff!important}
.btn-brass{background:var(--brass);border-color:var(--brass);color:var(--navy-deep)}
.btn-brass:hover{background:var(--brass-2);border-color:var(--brass-2)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}
.more{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--navy);display:inline-flex;align-items:center;gap:10px}
.more::after{content:"";width:26px;height:1.5px;background:currentColor;transition:width .2s}
.more:hover::after{width:40px}

/* hero */
.hero{background:radial-gradient(1200px 600px at 85% 20%,#0d4a8f 0%,transparent 60%),linear-gradient(160deg,var(--navy-deep) 0%,var(--navy-ink) 45%,var(--navy) 100%);color:#dbe4f0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;padding-top:96px;padding-bottom:72px}
.hero h1{color:#fff;max-width:15ch}
.rule{display:block;width:56px;height:3px;background:var(--brass);margin:0 0 22px}
.eyebrow,.wrap .eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.76rem;font-weight:700;color:var(--brass);margin-bottom:.9em}
.hero .lead{color:#c3d0e2;max-width:54ch;font-size:1.15rem}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-art{position:relative}
.hero-art svg{display:block;width:100%;height:auto}
.hero-badge{position:absolute;left:-10px;bottom:18px;background:#fff;color:var(--ink);border-radius:8px;padding:14px 18px;box-shadow:0 18px 40px rgba(0,0,0,.28);font-size:.88rem;max-width:230px}
.hero-badge b{display:block;color:var(--navy);font-size:.95rem}
.topics{border-top:1px solid rgba(255,255,255,.12)}
.topics .wrap{display:flex;flex-wrap:wrap;gap:0}
.topics a{flex:1 1 0;min-width:180px;color:#b7c6da;text-decoration:none;font-size:.9rem;font-weight:500;padding:18px 0 20px;border-top:2px solid transparent;margin-top:-1px;transition:color .15s,border-color .15s}
.topics a:hover{color:#fff;border-top-color:var(--brass)}

/* sections */
.section{padding:96px 0}
.section.alt{background:var(--bg-alt)}
.head{text-align:center;max-width:720px;margin:0 auto 52px}
.head h2{margin-bottom:.35em}
.head h2::after{content:"";display:block;width:56px;height:3px;background:var(--brass);margin:18px auto 0}
.head p{color:var(--muted);font-size:1.08rem;margin:18px 0 0}

/* challenge chips */
.challenge{padding:56px 0;border-bottom:1px solid var(--line)}
.challenge .wrap{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:center}
.challenge h2{font-size:1.7rem;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips a{border:1px solid #cfd6e1;border-radius:999px;padding:9px 18px;text-decoration:none;color:var(--navy);font-weight:500;font-size:.93rem;transition:all .15s}
.chips a:hover{background:var(--navy);border-color:var(--navy);color:#fff}

/* services */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:var(--radius);padding:34px 32px;transition:box-shadow .2s,transform .2s,border-color .2s}
.card:hover{box-shadow:0 16px 36px rgba(5,45,91,.09);transform:translateY(-2px)}
.card:target{border-top-color:var(--brass);box-shadow:0 0 0 3px rgba(184,149,90,.35),0 16px 36px rgba(5,45,91,.09)}
.card-top{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.card-top h3{margin:0}
.card p{color:var(--muted);font-size:.98rem}
.icon{flex:none;width:46px;height:46px;padding:10px;border-radius:10px;background:var(--tint);stroke:var(--navy);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.deliv{margin:18px 0 0;padding:16px 0 0;border-top:1px dashed var(--line);list-style:none;display:grid;gap:6px;font-size:.93rem}
.deliv::before{content:"Typical deliverables";display:block;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-bottom:4px}
.deliv li{padding-left:18px;position:relative}
.deliv li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;background:var(--brass);border-radius:1px}

/* approach */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #d5dbe4}
.steps li{padding:28px 24px 0 0;position:relative}
.steps li::before{content:"";position:absolute;top:-2px;left:0;width:40px;height:3px;background:var(--brass)}
.steps .n{font-family:var(--serif);font-size:2.4rem;color:var(--navy);line-height:1;display:block;margin-bottom:14px}
.steps p{color:var(--muted);font-size:.97rem;margin:0}

/* insights */
.insights{display:grid;grid-template-columns:1.25fr 1fr;gap:40px}
.feature{display:block;text-decoration:none;color:inherit;border-radius:var(--radius);overflow:hidden;background:var(--navy);color:#fff;position:relative;min-height:380px}
.feature svg{position:absolute;inset:0;width:100%;height:100%}
.feature .body{position:absolute;left:0;right:0;bottom:0;padding:32px;background:linear-gradient(transparent,rgba(1,18,38,.92) 38%)}
.feature h3{font-family:var(--serif);font-weight:600;font-size:1.75rem;color:#fff;margin:.35em 0 .4em}
.feature p{color:#c3d0e2;margin:0;font-size:.97rem}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}
.meta{font-size:.82rem;color:var(--grey)}
.feature .meta{color:#9fb0c8}
.post-list{list-style:none;margin:0;padding:0;display:grid}
.post-list li{border-bottom:1px solid var(--line);padding:22px 0}
.post-list li:first-child{padding-top:0}
.post-list a{text-decoration:none;color:inherit;display:block}
.post-list h3{font-family:var(--serif);font-weight:600;font-size:1.3rem;margin:.3em 0 .35em;transition:color .15s}
.post-list a:hover h3{color:var(--navy-2);text-decoration:underline;text-decoration-color:var(--brass);text-underline-offset:4px}
.post-list p{color:var(--muted);font-size:.95rem;margin:0 0 .4em}

/* about */
.about{display:grid;grid-template-columns:1.3fr 1fr;gap:64px;align-items:start}
.about .lede{font-family:var(--serif);font-size:1.4rem;line-height:1.45;color:var(--navy-ink)}
.about p{color:var(--muted)}
.checks{list-style:none;margin:0;padding:32px;background:var(--bg-alt);border-left:3px solid var(--brass);display:grid;gap:16px}
.checks h3{margin:0 0 4px;font-size:1rem;text-transform:uppercase;letter-spacing:.12em;color:var(--grey)}
.checks li{position:relative;padding-left:32px;font-weight:500}
.checks li.h{padding-left:0}
.checks li.h::before{display:none}
.checks li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--navy) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/13px no-repeat}

/* contact band */
.contact{background:linear-gradient(160deg,var(--navy-ink),var(--navy));color:#dbe4f0}
.contact h2{color:#fff;margin-bottom:.4em}
.contact .lead{color:#c3d0e2;max-width:46ch;font-size:1.1rem}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.contact-list{margin:0;display:grid;gap:22px;border-left:1px solid rgba(255,255,255,.18);padding-left:40px}
.contact-list dt{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:var(--brass-2);font-weight:700}
.contact-list dd{margin:4px 0 0;color:#fff;font-size:1.08rem}
.contact-list a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.contact-list a:hover{border-bottom-color:#fff}

/* footer */
.site-footer{background:var(--navy-deep);color:#8fa3bf;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-top:64px;padding-bottom:40px}
.site-footer h4{color:#fff;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer a{color:#b7c6da;text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer .brand-text b{color:#fff}
.site-footer .brand-text small{color:#8fa3bf}
.foot-blurb{margin-top:18px;max-width:34ch}
.foot-base{border-top:1px solid rgba(255,255,255,.1)}
.foot-base .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding-top:20px;padding-bottom:22px;font-size:.84rem}
.foot-logo{display:inline-flex;align-items:center;gap:12px;background:#fff;border-radius:8px;padding:8px 12px}
.foot-logo .brand-text b{color:var(--navy)}
.foot-logo .brand-text small{color:var(--grey)}

/* article */
.article-hero{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:64px 0 48px}
.article-hero .wrap,.article .wrap{max-width:780px}
.crumbs{font-size:.85rem;color:var(--grey);margin-bottom:18px}
.crumbs a{color:var(--grey)}
.article-hero h1{font-size:clamp(2rem,4.2vw,3rem);margin:.3em 0 .4em}
.article-hero .standfirst{font-size:1.2rem;color:var(--muted);margin:0 0 18px}
.article{padding:56px 0 80px}
.article h2{font-size:1.6rem;margin:1.6em 0 .5em}
.article h3{margin:1.4em 0 .4em}
.article ul,.article ol{padding-left:1.3em}
.article li{margin-bottom:.4em}
.article table{width:100%;border-collapse:collapse;margin:1.2em 0 1.6em;font-size:.95rem}
.article th,.article td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:12px 12px 12px 0}
.article th{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}
.callout{background:var(--tint);border-left:3px solid var(--navy);padding:18px 22px;border-radius:0 8px 8px 0;margin:1.6em 0}
.callout p:last-child{margin:0}
.disclaimer{display:block;font-size:.9rem;line-height:1.6;color:#4a5263;background:#fbf8f2;border:1px solid #eadfca;border-left:4px solid var(--brass);border-radius:0 8px 8px 0;margin-top:40px;padding:18px 22px}
.disclaimer strong{color:var(--navy-ink)}
.article-cta{margin-top:40px;padding:32px;background:var(--navy);color:#dbe4f0;border-radius:var(--radius)}
.article-cta h3{color:#fff;font-family:var(--serif);font-weight:600;font-size:1.4rem}
.article-cta p{color:#c3d0e2}
.list-page{padding:64px 0 88px}
.list-page .post-list{max-width:780px}


/* mobile menu */
.mnav{display:none;position:relative}
.mnav summary{list-style:none;cursor:pointer;border:1px solid #cfd6e1;border-radius:6px;padding:8px 16px;font-weight:600;font-size:.93rem;color:var(--navy);display:flex;align-items:center;gap:10px}
.mnav summary::-webkit-details-marker{display:none}
.mnav summary::before{content:"";width:16px;height:10px;background:linear-gradient(var(--navy),var(--navy)) top/100% 2px no-repeat,linear-gradient(var(--navy),var(--navy)) center/100% 2px no-repeat,linear-gradient(var(--navy),var(--navy)) bottom/100% 2px no-repeat}
.mnav[open] summary{background:var(--bg-alt)}
.mnav-panel{position:absolute;right:0;top:calc(100% + 10px);background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 40px rgba(2,26,54,.16);padding:8px;min-width:240px;display:grid;gap:2px;z-index:60}
.mnav-panel a{padding:11px 14px;text-decoration:none;color:var(--ink);border-radius:6px;font-weight:500}
.mnav-panel a:hover{background:var(--bg-alt)}
.mnav-panel .btn{justify-content:center;margin-top:6px}

/* helpers */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.center{text-align:center;margin-top:40px}
.narrow{max-width:780px}

/* knowledge base: home tiles */
.kb-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kb-tile{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:box-shadow .2s,transform .2s,border-color .2s}
.kb-tile:hover{box-shadow:0 14px 32px rgba(5,45,91,.09);transform:translateY(-2px);border-color:#cdd5e1}
.kb-tile h3{margin:.35em 0 .4em;font-family:var(--serif);font-weight:600;font-size:1.3rem}
.kb-tile p{color:var(--muted);font-size:.92rem;margin:0}
.kb-count{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}

/* knowledge base: index */
.kb-tools{display:grid;gap:18px;margin-bottom:36px}
.kb-search input{width:100%;font:inherit;font-size:1.05rem;padding:14px 18px 14px 48px;border:1px solid #cfd6e1;border-radius:8px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23717275' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E") 16px center/20px no-repeat}
.kb-search input:focus{outline:3px solid #6aa3ff;outline-offset:1px;border-color:var(--navy-2)}
.kb-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:inherit;font-size:.9rem;font-weight:500;cursor:pointer;border:1px solid #cfd6e1;background:#fff;color:var(--navy);border-radius:999px;padding:8px 16px;transition:all .15s}
.chip span{color:var(--grey);font-size:.8rem;margin-left:4px}
.chip:hover{border-color:var(--navy)}
.chip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.chip[aria-pressed="true"] span{color:#b7c6da}
.kb-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kb-card[hidden]{display:none}
.kb-card a{display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);border-radius:var(--radius);padding:24px 22px;transition:box-shadow .2s,transform .2s}
.kb-card a:hover{box-shadow:0 14px 32px rgba(5,45,91,.09);transform:translateY(-2px)}
.kb-card h3{font-family:var(--serif);font-weight:600;font-size:1.22rem;margin:.4em 0 .45em}
.kb-card p{color:var(--muted);font-size:.93rem;margin:0 0 14px;flex:1}
.kb-none{text-align:center;color:var(--muted);padding:32px 0}
.kb-note{font-size:.85rem;color:var(--grey);margin-top:36px}

/* knowledge base: article extras */
.keypoints{background:var(--tint);border-radius:var(--radius);padding:24px 28px;margin-bottom:8px}
.keypoints h2,.sources h2,.related h2{font-family:var(--sans);font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--navy);margin:0 0 12px}
.keypoints ul{margin:0;padding-left:1.2em}
.keypoints li{margin-bottom:.35em}
.sources{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.sources ul{margin:0;padding-left:1.2em}
.sources a::after{content:" 97";font-size:.8em}
.related{margin-top:36px}
.related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related a{display:block;height:100%;text-decoration:none;border:1px solid var(--line);border-radius:8px;padding:16px 18px;color:var(--ink);transition:border-color .15s}
.related a:hover{border-color:var(--navy)}
.related .rt{display:block;font-weight:600;margin-top:4px;line-height:1.35}
.article code{background:var(--bg-alt);padding:1px 6px;border-radius:4px;font-size:.92em}

@media (max-width:1000px){
  .kb-tiles,.kb-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.about,.contact-grid,.insights{grid-template-columns:1fr;gap:40px}
  .hero-art{max-width:560px}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:36px}
  .challenge .wrap{grid-template-columns:1fr;gap:18px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav nav{display:none}
  .mnav{display:block}
  .kb-tiles,.kb-grid,.related ul{grid-template-columns:1fr}
  .keypoints{padding:20px}
  body{font-size:16px}
  .wrap{padding:0 16px}
  .utility{display:none}
  .hero-grid{padding-top:64px;padding-bottom:48px}
  .hero-badge{left:8px}
  .topics a{min-width:50%;padding:14px 8px 14px 0}
  .section{padding:68px 0}
  .cards,.steps{grid-template-columns:1fr}
  .card{padding:28px 22px}
  .contact-list{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:28px}
  .foot-grid{grid-template-columns:1fr}
  .feature{min-height:340px}
  .feature .body{padding:24px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}