:root{--navy:#1d1b4b;--navy2:#2b2870;--or:#f08a1c;--or2:#d9740b;--lav:#b9b4f0;--bg:#f6f5ff;--tx:#2e2c52;--mu:#6a6890;--r:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Nunito","Trebuchet MS","Segoe UI",system-ui,sans-serif;color:var(--tx);background:#fff;line-height:1.65;font-size:17px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}a{color:var(--navy2)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--or);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:100}.skip:focus{left:8px;top:8px}
.wrap{width:min(1160px,100% - 2.5rem);margin-inline:auto}.narrow{max-width:820px}
h1,h2,h3{font-family:"Nunito","Trebuchet MS",system-ui,sans-serif;color:var(--navy);line-height:1.15;margin:0 0 .6em;font-weight:900;letter-spacing:-.01em}
h1{font-size:clamp(2rem,5vw,3.4rem)}h2{font-size:clamp(1.5rem,3.2vw,2.2rem)}h3{font-size:1.1rem}
em{font-style:normal;color:var(--or)}.or{color:var(--or)}.muted{color:var(--mu)}.center{text-align:center}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);transition:box-shadow .2s}.site-header.scrolled{box-shadow:0 4px 18px rgba(29,27,75,.12)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem 0}
.logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;color:var(--navy);font-weight:900;font-size:1.25rem;line-height:1}.logo b{display:block;color:var(--or)}.logo.light{color:#fff}
.menu ul{display:flex;gap:1.1rem;list-style:none;margin:0;padding:0}.menu a{text-decoration:none;color:var(--navy);font-weight:700;font-size:.88rem;padding:.4rem 0;border-bottom:2px solid transparent}
.menu a:hover,.menu a.active{border-color:var(--or)}
.burger{display:none;background:none;border:0;padding:.6rem;cursor:pointer}.burger span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.2s}
.hero{background:linear-gradient(180deg,#dff0ff,#f6efff);overflow:hidden}.herogrid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:2rem;padding:2.5rem 0}
.hero.home .herogrid{padding:3rem 0}.lead{font-size:1.15rem;max-width:34em}.hero .heroimg img{border-radius:var(--r);box-shadow:0 14px 40px rgba(29,27,75,.2)}
.hero.home .heroimg img{box-shadow:none;border-radius:0;mask-image:linear-gradient(90deg,transparent,#000 18%)}
.herotext{animation:rise .7s ease both}@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--or);color:#fff;font-weight:800;text-decoration:none;border:0;border-radius:999px;padding:.8rem 1.5rem;font-size:1rem;cursor:pointer;font-family:inherit;transition:background .2s,transform .2s;box-shadow:0 6px 16px rgba(240,138,28,.35)}
.btn:hover{background:var(--or2);transform:translateY(-2px)}.btn.small{padding:.4rem 1rem;font-size:.9rem;margin-left:.6rem}
.sec{padding:3.5rem 0}.sec.alt{background:var(--bg)}.sec p{max-width:70ch}.sec .center p{margin-inline:auto}
.line{display:flex;align-items:center;gap:1.2rem;font-size:1.3rem;margin-bottom:1.6rem}.line::before,.line::after{content:"";flex:1;height:1px;background:var(--lav)}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.2rem}
.card{position:relative;display:block;background:#fff;border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--tx);box-shadow:0 4px 18px rgba(29,27,75,.1);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(29,27,75,.18)}.card img{width:100%;aspect-ratio:400/260;object-fit:cover}
.cb{padding:1rem 1.1rem 1.2rem}.cb h3{margin-bottom:.3rem}.cb p{margin:0;font-size:.92rem;color:var(--mu);max-width:12em}
.go{position:absolute;right:14px;bottom:14px;width:30px;height:30px;border-radius:50%;background:var(--lav);color:var(--navy);display:grid;place-items:center;font-weight:900}
.split{display:grid;grid-template-columns:1fr 1.2fr;gap:2.5rem;align-items:center}.rounded{border-radius:var(--r);box-shadow:0 10px 30px rgba(29,27,75,.18);width:100%}
.checks{list-style:none;padding:0;margin:1rem 0 0}.checks li{position:relative;padding-left:1.8rem;margin:.55rem 0}.checks li::before{content:"";position:absolute;left:0;top:.45em;width:14px;height:14px;border-radius:4px;background:var(--or);box-shadow:3px 3px 0 var(--lav)}
.cta{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;background:var(--navy);color:#fff;border-radius:var(--r);padding:1.8rem 2rem;margin:2rem auto 3.5rem}
.cta h2{color:#fff;font-size:1.5rem;margin:0}.cta p{margin:.2rem 0 0;color:#d9d6ff}
.demo{display:flex;justify-content:center}#stackDemo{max-width:100%;height:auto;background:linear-gradient(#cfe8ff,#f6efff);border-radius:var(--r);box-shadow:0 10px 30px rgba(29,27,75,.2);cursor:pointer;touch-action:manipulation}
.score{margin-top:1.2rem}
.form{display:grid;gap:.4rem;background:#fff;padding:1.6rem;border-radius:var(--r);box-shadow:0 8px 28px rgba(29,27,75,.14)}
.form label{font-weight:800;color:var(--navy);margin-top:.5rem}.form input,.form select,.form textarea{font:inherit;padding:.7rem .9rem;border:2px solid #d8d5f5;border-radius:12px;width:100%;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--or)}.form .invalid{border-color:#c0392b}
.formmsg{min-height:1.5em;font-weight:700;margin:.5rem 0}.formmsg.ok{color:#1e8449}.formmsg.err{color:#c0392b}
.site-footer{background:var(--navy);color:#d9d6ff;padding-top:3rem}.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2rem}
.site-footer h2{color:#fff;font-size:1.05rem}.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:.4rem 0}.site-footer a{color:#d9d6ff}.site-footer a:hover{color:var(--or)}
.copy{border-top:1px solid rgba(255,255,255,.15);margin-top:2rem;padding:1.2rem 0;font-size:.85rem}
@media(max-width:1020px){.burger{display:block}.menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;box-shadow:0 12px 24px rgba(29,27,75,.15)}
.menu.open{display:block}.menu ul{flex-direction:column;gap:0;padding:.5rem 1.25rem 1rem}.menu a{display:block;padding:.7rem 0;font-size:1rem}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}.burger[aria-expanded=true] span:nth-child(2){opacity:0}.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}}
@media(max-width:820px){.herogrid,.split{grid-template-columns:1fr}.hero.home .heroimg img{mask-image:none}.fgrid{grid-template-columns:1fr}.sec{padding:2.5rem 0}.cta{padding:1.4rem}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}