:root{
  --navy:#16203a; --navy-deep:#0f1729; --accent:#8ea6ff; --blue:#3d56c9; --blue-dark:#2a3f9e;
  --tint:#f6f7fb; --line:#dde2ee; --ink:#16203a; --muted:#4a5570; --on-dark:#c9d1e6; --on-dark-2:#9aa6c4;
  --display:'Space Grotesk',system-ui,sans-serif; --body:'IBM Plex Sans',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--ink);background:#fff;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark);text-decoration:underline}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:8px;background:#fff;color:var(--navy);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:8px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.stack{display:flex;flex-direction:column;gap:20px}
.center{text-align:center;align-items:center}
.grid-bg{background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:40px 40px}

h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;margin:0;line-height:1.06}
h1{font-size:clamp(44px,6.2vw,78px);font-weight:700}
h2{font-size:clamp(32px,4vw,52px);font-weight:700}
.h2-sm{font-size:clamp(26px,3vw,42px)}
.h2-lg{font-size:clamp(34px,4.6vw,60px)}
h3{font-size:22px;font-weight:700;letter-spacing:-.01em}
.mb{margin-bottom:48px}
.accent{color:var(--accent)}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);margin:0}
.eyebrow-dark{color:var(--on-dark-2)}
.tiny{font-size:10px}
.lead{font-size:18px;color:var(--muted);margin:0}
.lead-dark{font-size:19px;color:var(--on-dark);margin:0}
.fine{font-size:15px;color:var(--muted);margin:0}
.fine-dark{font-size:15px;color:var(--on-dark-2);margin:0}
.fine-dark strong{color:#fff;font-weight:500}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:12px;font-weight:600;font-size:17px;border:0;cursor:pointer;font-family:var(--body);text-decoration:none!important}
.btn-sm{min-height:44px;padding:0 20px;font-size:16px}
.btn-accent{background:var(--accent);color:var(--navy-deep)}
.btn-accent:hover{background:#a8baff;color:var(--navy-deep)}
.btn-navy{background:var(--navy);color:#fff;align-self:flex-start}
.btn-navy:hover{background:#243154;color:#fff}

/* Hero + nav */
.hero{background-color:var(--navy);color:#fff;padding-bottom:110px}
.nav{display:flex;align-items:center;justify-content:space-between;height:88px;position:relative}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:700;font-size:21px;color:#fff}
.brand:hover{color:#fff;text-decoration:none}
.mark{width:14px;height:14px;border-radius:4px;background:var(--accent)}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0}
.nav-links a:not(.btn){color:var(--on-dark);font-size:16px}
.nav-links a:not(.btn):hover{color:#fff}
.menu-btn{display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;align-items:center;justify-content:center;cursor:pointer}
.hero-grid{display:grid;grid-template-columns:7fr 4fr;gap:64px;align-items:center;margin-top:96px}
.hero-copy{display:flex;flex-direction:column;gap:26px}
.subscribe-form{display:flex;gap:12px;width:100%;max-width:620px}
.subscribe-form input{flex:1;min-width:0;height:56px;padding:0 18px;font-size:17px;font-family:var(--body);border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff}
.subscribe-form input::placeholder{color:#9aa6c4}
.stats{display:flex;flex-direction:column;gap:16px}
.stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:26px}
.stat-num{font-family:var(--display);font-size:48px;font-weight:700;line-height:1;white-space:nowrap}
.arrow{font-weight:500}
.stat-label{color:var(--on-dark);margin-top:10px;font-size:16px}

/* Sections */
.section{padding:110px 0}
.section-tint{background:var(--tint)}
.section-navy{background-color:var(--navy);color:#fff}
.two-col{display:grid;grid-template-columns:5fr 6fr;gap:72px;align-items:center}
.guide-cover{background-color:var(--navy);background-size:24px 24px;color:#fff;border-radius:12px;aspect-ratio:8.5/11;max-width:400px;width:100%;margin:0 auto;padding:40px;display:flex;flex-direction:column;box-shadow:0 30px 60px rgba(22,32,58,.28)}
.guide-title{font-family:var(--display);font-size:36px;font-weight:700;line-height:1.08;margin-top:22%}
.guide-foot{margin-top:auto;font-size:13px;color:var(--on-dark)}
.guide-foot strong{color:#fff}
.bar{display:block;width:44px;height:3px;background:var(--accent);border-radius:2px;margin-bottom:10px}
.dot-list{list-style:none;margin:0;padding:0;font-size:17px;font-weight:500}
.dot-list li{display:flex;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.dot-list li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--blue);flex:none}
.dot-list.two{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}
.dot-list.dark li{border-top:0;padding:6px 0;color:#fff}
.dot-list.dark li::before{background:var(--accent)}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.card{border:1px solid var(--line);border-radius:16px;padding:30px;display:flex;flex-direction:column;gap:12px;background:#fff}
.card p{margin:0;color:var(--muted);font-size:16px}
.num{font-family:var(--mono);color:var(--blue);font-size:15px}
.row-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px}
.row-head .eyebrow{margin-bottom:14px}
.link-strong{font-weight:600;font-size:17px}
.series{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);border-radius:16px}
.series li{display:grid;grid-template-columns:140px 1fr 140px;gap:24px;align-items:center;padding:26px 34px;border-top:1px solid var(--line)}
.series li:first-child{border-top:0}
.series .date{font-family:var(--mono);font-size:15px;color:var(--muted)}
.series .title{font-family:var(--display);font-size:22px;font-weight:600;line-height:1.25}
.series .tag{font-size:15px;color:var(--blue);font-weight:600;text-align:right}
.about{grid-template-columns:4fr 7fr}
.headshot{border-radius:20px;aspect-ratio:1/1;height:auto;object-fit:cover;width:100%}
.placeholder{background:#e9ecf4;border:2px dashed #b8c0d6;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.links{display:flex;gap:22px;font-weight:600;font-size:17px;margin:0}
.work-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:60px;display:grid;grid-template-columns:7fr 4fr;gap:48px;align-items:center}
.work-cta{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
#subscribe .subscribe-form{margin-top:8px}

/* FAQ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;font-family:var(--display);font-weight:600;font-size:20px;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:4px;top:18px;font-size:26px;color:var(--blue);font-weight:500}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0 0 22px;color:var(--muted);font-size:17px;max-width:680px}

/* Footer */
.footer{background:var(--navy-deep);color:var(--on-dark-2);padding:44px 0;font-size:15px}
.footer p{margin:6px 0 0}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand-sm{font-family:var(--display);font-weight:700;font-size:18px;color:#fff}
.footer-links{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.footer-links a{color:var(--on-dark)}

/* Responsive */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-grid,.two-col,.about,.work-card{grid-template-columns:1fr;gap:40px}
  .stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .work-card{padding:40px}
}
@media (max-width:760px){
  .section{padding:64px 0}
  .hero{padding-bottom:64px}
  .nav{height:72px}
  .brand{font-size:18px}
  .menu-btn{display:inline-flex}
  .nav-links{display:none;position:absolute;top:72px;left:16px;right:16px;flex-direction:column;align-items:stretch;gap:4px;background:var(--navy-deep);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px;z-index:5}
  .nav-links.open{display:flex}
  .nav-links a:not(.btn){display:block;padding:12px}
  .nav-links .btn{margin-top:6px}
  .hero-grid{margin-top:40px}
  .subscribe-form{flex-direction:column}
  .subscribe-form input{flex:none;width:100%}
  .subscribe-form .btn{width:100%}
  .stats{grid-template-columns:1fr 1fr}
  .stats .stat:last-child{grid-column:1 / -1}
  .stat{padding:18px}
  .stat-num{font-size:28px}
  .stat-label{font-size:14px}
  .cards{grid-template-columns:1fr}
  .dot-list.two{grid-template-columns:1fr}
  .row-head{flex-direction:column;align-items:flex-start}
  .series li{grid-template-columns:1fr;gap:6px;padding:20px}
  .series .tag{text-align:left;order:-1;font-size:13px}
  .series .title{font-size:18px}
  .guide-cover{max-width:280px;padding:28px}
  .guide-title{font-size:25px}
  .work-card{padding:28px}
  .btn-navy{align-self:stretch}
  .footer-row{flex-direction:column;align-items:flex-start}
}