:root{
  --blue:#173b72;
  --blue2:#1d4ed8;
  --pale:#eaf4ff;
  --yellow:#ffd84d;
  --yellow2:#ffe57f;
  --ink:#0f172a;
  --muted:#64748b;
  --line:#dbeafe;
  --white:#fff;
  --cream:#fffdf7;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.narrow{max-width:760px}
.promo{display:block;background:var(--blue);color:white;text-align:center;padding:10px 16px;font-size:14px;font-weight:800}
.promo strong{color:var(--yellow)}
.navbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{width:min(1240px,calc(100% - 32px));height:76px;margin:auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;font-size:25px;font-weight:800}
.logo{width:42px;height:42px;object-fit:contain}
.nav-links{display:flex;gap:28px;justify-self:center;font-weight:750;color:#334155}
.nav-inner>.btn{justify-self:end}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:13px 22px;font-weight:900;cursor:pointer}
.btn-yellow{background:var(--yellow);color:var(--blue)}
.btn-yellow:hover{background:var(--yellow2)}
.btn-blue{background:var(--blue);color:white}
.btn-white{background:white;color:var(--blue)}
.btn-outline{border:1px solid #bfdbfe;background:white;color:var(--blue2)}
.btn-big{padding:16px 28px}
.btn-full{width:100%}
.text-link{font-weight:900;color:var(--blue2)}
.hero{display:grid;grid-template-columns:1.02fr .98fr;min-height:700px;border-bottom:1px solid var(--line)}
.hero-left{background:var(--blue);color:white;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-left:before{content:"";position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(255,216,77,.09);left:-100px;top:30px}
.hero-left:after{content:"";position:absolute;width:360px;height:360px;border:48px solid rgba(255,216,77,.09);border-radius:50%;right:-130px;bottom:-160px}
.hero-copy{width:min(720px,calc(100% - 80px));margin:auto;position:relative;z-index:1}
.pill{display:inline-flex;border-radius:999px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.18);padding:9px 14px;font-size:13px;font-weight:900;letter-spacing:.04em}
.pill.dark{background:var(--blue);color:white;border:0}
.hero h1{font-size:clamp(50px,6vw,82px);line-height:.96;letter-spacing:-.055em;margin:24px 0}
.hero h1 span{display:block;color:var(--yellow)}
.lead{font-size:19px;line-height:1.7;color:#475569}
.hero .lead{max-width:680px;color:rgba(255,255,255,.84)}
.hero-points{display:flex;gap:24px;flex-wrap:wrap;margin-top:30px;font-size:14px;font-weight:800}
.hero-right{background:var(--pale);display:flex;align-items:center;padding:40px}
.hero-product{display:grid;grid-template-columns:.92fr 1.08fr;gap:28px;align-items:center;width:min(740px,100%);margin:auto}
.guide-cover{border-radius:24px;box-shadow:0 28px 70px rgba(23,59,114,.20);transform:rotate(-2.5deg);border:4px solid white}
.signup-card{background:white;border:1px solid white;border-radius:28px;padding:28px;box-shadow:0 22px 55px rgba(23,59,114,.14)}
.signup-card h2{color:var(--blue);font-size:30px;margin:0 0 8px}
.signup-card p{color:var(--muted);line-height:1.6}
.signup-card form{display:grid;gap:12px;margin-top:18px}
.signup-card input[type=email],.form-card input,.form-card select,.form-card textarea{width:100%;border:1px solid #cbd5e1;border-radius:16px;padding:14px;background:white;outline:none}
.signup-card input[type=email]:focus,.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--blue2);box-shadow:0 0 0 4px rgba(29,78,216,.08)}
.consent{display:flex;gap:9px;align-items:flex-start;color:#64748b;font-size:12px;line-height:1.5}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.proof-strip{background:white;padding:28px 0;border-bottom:1px solid var(--line)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.proof{display:flex;flex-direction:column;gap:5px;padding:10px 18px;border-left:4px solid var(--yellow)}
.proof strong{font-size:28px;color:var(--blue)}
.proof span{font-size:14px;color:#475569;font-weight:700}
.section{padding:82px 0}
.eyebrow{font-size:12px;color:var(--blue2);letter-spacing:.16em;font-weight:950}
.eyebrow.blue{color:var(--blue2)}
.eyebrow.yellow,.yellow{color:var(--yellow)}
.section h2,.simple h1{font-size:clamp(36px,4vw,58px);line-height:1.02;letter-spacing:-.035em;margin:12px 0 16px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}
.section-head p{max-width:760px;color:var(--muted);line-height:1.7}
.diag-band{background:var(--pale);border:1px solid var(--line);border-radius:30px;padding:34px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.diag-band h2{font-size:36px;margin:8px 0}
.diag-band p{color:var(--muted);max-width:720px}
.offer-shelf{display:flex;gap:18px;overflow:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.offer-card{min-width:300px;max-width:320px;scroll-snap-align:start;background:white;border:1px solid var(--line);border-radius:26px;padding:24px;display:flex;flex-direction:column;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.offer-card:first-child{border:2px solid var(--yellow);background:#fff8d2}
.offer-top{display:flex;justify-content:space-between;gap:12px;align-items:center}
.badge{background:var(--pale);color:var(--blue2);padding:6px 10px;border-radius:999px;font-size:11px;font-weight:900;text-transform:uppercase}
.audience{font-size:11px;color:#64748b;font-weight:800}
.offer-card h3{color:var(--blue);font-size:22px;margin:22px 0 10px}
.offer-card p{color:var(--muted);line-height:1.6;flex:1}
.price{display:block;color:var(--blue);font-size:28px;margin:20px 0}
.bootcamp-banner,.bootcamp-page-head{background:var(--yellow);padding:76px 0}
.bootcamp-grid{display:grid;grid-template-columns:1fr .62fr;gap:34px;align-items:end}
.bootcamp-banner h2,.bootcamp-page-head h1{color:var(--blue);font-size:clamp(44px,5vw,70px);line-height:.98;letter-spacing:-.045em;margin:10px 0}
.bootcamp-banner h2 span,.bootcamp-page-head h1 span{display:block;color:var(--blue2)}
.bootcamp-banner p{color:rgba(23,59,114,.82);font-size:18px;line-height:1.7}
.bootcamp-box{background:var(--blue);color:white;border-radius:28px;padding:28px}
.bootcamp-box strong{color:var(--yellow);font-size:13px;letter-spacing:.08em}
.bootcamp-box p{color:white;font-size:23px;font-weight:850}
.sup89,.sup89-page{display:grid;grid-template-columns:.86fr 1.14fr;background:var(--pale);border:1px solid var(--line);border-radius:34px;overflow:hidden}
.sup89-left{background:var(--blue);color:white;padding:42px}
.sup89-left h2,.sup89-left h1{font-size:44px;margin:12px 0 24px}
.big-price{font-size:64px;font-weight:950}
.big-price span{font-size:18px;color:rgba(255,255,255,.66)}
.sup89-right{padding:42px}
.sup89-right h3,.sup89-right h2{color:var(--blue);font-size:28px}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}
.check-grid div{background:white;border-radius:16px;padding:15px;font-size:14px;font-weight:700;color:#475569}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.small{font-size:12px;color:#64748b;line-height:1.6}
.testimonials{background:white;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.testimonial-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.testimonial{background:#f8fbff;border:1px solid var(--line);border-radius:22px;padding:22px}
.quote{color:#475569;line-height:1.65;font-size:14px;min-height:190px}
.testimonial strong{display:block;color:var(--blue);margin-top:16px}
.testimonial span{display:block;color:#64748b;font-size:12px;margin-top:4px}
.final-cta{background:var(--blue);color:white;padding:56px 0}
.final-grid{display:flex;align-items:center;justify-content:space-between;gap:20px}
.final-grid h2{font-size:42px;margin:8px 0 0}
.simple{padding:82px 0;min-height:65vh}
.simple h1{color:var(--blue)}
.thanks{text-align:center}
.thanks .btn{margin:18px 8px}
.diag-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
.diag-card{background:white;border:1px solid var(--line);border-radius:24px;padding:28px}
.diag-card h2{color:var(--blue);font-size:28px}
.diag-card p{color:var(--muted);line-height:1.7}
.offer-grid-full{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.price-panel{background:var(--pale);border-radius:24px;padding:26px;margin:30px 0}
.price-panel strong{font-size:38px;color:var(--blue)}
.form-card{background:white;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:0 16px 40px rgba(23,59,114,.08)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-card label{display:grid;gap:8px;color:var(--blue);font-weight:850}
.form-card textarea{resize:vertical}
.form-card>label{margin-top:16px}
.form-card button{margin-top:22px}
.footer{background:white;border-top:1px solid var(--line);padding:34px 0;color:#475569}
.footer-inner{display:flex;justify-content:space-between;gap:24px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-weight:750}
@media(max-width:980px){
  .nav-inner{grid-template-columns:1fr auto}
  .nav-links{display:none}
  .hero{grid-template-columns:1fr}
  .hero-right{padding:34px 20px}
  .hero-copy{width:min(720px,calc(100% - 40px));padding:60px 0}
  .proof-grid{grid-template-columns:1fr 1fr}
  .bootcamp-grid,.sup89,.sup89-page{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr 1fr}
  .offer-grid-full{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .container{width:min(100% - 28px,1180px)}
  .navbar{position:relative}
  .nav-inner{height:auto;padding:12px 0}
  .brand{font-size:21px}
  .logo{width:36px;height:36px}
  .nav-inner>.btn{font-size:12px;padding:11px 14px}
  .hero-product{grid-template-columns:1fr}
  .guide-cover{max-width:260px;margin:auto}
  .proof-grid,.diag-grid,.check-grid,.testimonial-grid,.offer-grid-full,.form-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .section-head,.diag-band,.final-grid,.footer-inner{align-items:flex-start;flex-direction:column}
  .diag-band{display:flex}
  .bootcamp-banner,.bootcamp-page-head{padding:60px 0}
  .sup89-left,.sup89-right{padding:28px}
  .big-price{font-size:50px}
  .quote{min-height:auto}
}
.diagnostic-rust-hero{background:linear-gradient(135deg,var(--pale),#fffdf7);padding:86px 0;min-height:72vh}
.diagnostic-rust-hero h1,.diagnostic-result h1{color:var(--blue);font-size:clamp(42px,5vw,68px);line-height:1;letter-spacing:-.045em;margin:22px 0}
.diagnostic-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:34px 0}
.diagnostic-meta div{background:white;border:1px solid var(--line);border-radius:20px;padding:20px}
.diagnostic-meta strong{display:block;color:var(--blue);font-size:28px}
.diagnostic-meta span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
.diagnostic-domain-list{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0 30px}
.diagnostic-domain-list span,.question-tags span{background:white;border:1px solid var(--line);border-radius:999px;padding:8px 11px;color:#475569;font-size:12px;font-weight:800}
.diagnostic-note{margin-top:24px;color:#64748b;font-size:12px;line-height:1.65}
.diagnostic-question{background:var(--cream);padding:64px 0 90px;min-height:72vh}
.question-top{display:flex;justify-content:space-between;gap:20px;align-items:end}
.question-top h1{color:var(--blue);font-size:34px;margin:8px 0}
.progress-number{color:var(--blue);font-size:22px}
.progress-track{height:9px;background:#dbeafe;border-radius:999px;overflow:hidden}
.progress-fill{height:100%;background:var(--blue2);border-radius:999px}
.question-tags{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.question-card{background:white;border:1px solid var(--line);border-radius:28px;padding:30px;box-shadow:0 18px 46px rgba(23,59,114,.07)}
.question-card h2{color:var(--ink);font-size:clamp(24px,3vw,38px);line-height:1.35;margin:0 0 28px}
.choice-list{display:grid;gap:12px}
.choice-button{width:100%;text-align:left;border:1px solid #cbd5e1;background:white;border-radius:18px;padding:18px 20px;color:#0f172a;font-weight:700;cursor:pointer;transition:.18s ease}
.choice-button:hover{border-color:var(--blue2);background:var(--pale);transform:translateY(-1px)}
.question-footnote{color:#94a3b8;font-size:11px;margin-top:18px}
.math-inline{display:inline-block;margin:0 .12em}
.math-display{display:block;overflow-x:auto;text-align:center;margin:16px 0}
.math-inline math,.math-display math{font-size:1.06em}
.math-fallback{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f8fafc;border-radius:6px;padding:2px 5px}
.diagnostic-result{padding:80px 0;background:linear-gradient(180deg,var(--pale),var(--cream));min-height:75vh}
.result-domains{display:grid;gap:12px;margin:34px 0}
.result-domain{background:white;border:1px solid var(--line);border-radius:18px;padding:18px}
.result-domain-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:10px;color:var(--blue)}
.priority-card{background:var(--blue);color:white;border-radius:26px;padding:28px;margin:30px 0}
.priority-card h2{font-size:30px;margin:8px 0 14px}
.priority-card ol{margin:0;padding-left:22px;line-height:1.9}
.result-actions{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:680px){
  .diagnostic-meta{grid-template-columns:1fr}
  .question-card{padding:22px}
  .question-top{align-items:flex-start}
}