:root{--ink:#14213d;--acc:#1b6ca8;--bg:#f6f8fb;--card:#fff;--mut:#5b6678}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
.demo-bar{background:#fff3cd;color:#664d03;text-align:center;font-size:.8rem;padding:.3rem}
.top{display:flex;align-items:center;justify-content:space-between;padding:.9rem 5vw;background:var(--card);border-bottom:1px solid #e2e7ef;position:sticky;top:0;z-index:5;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.3rem;color:var(--ink);text-decoration:none}.logo span{color:var(--acc)}
nav{display:flex;gap:1.2rem;align-items:center}
nav a{color:var(--ink);text-decoration:none;font-weight:500}nav a.on{color:var(--acc);border-bottom:2px solid var(--acc)}
.lang{display:flex;gap:.25rem}
.lang button{border:1px solid #cfd7e3;background:#fff;padding:.25rem .55rem;border-radius:6px;cursor:pointer;font-weight:600}
.lang button.on{background:var(--acc);color:#fff;border-color:var(--acc)}
.burger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}
.page{display:none;padding:3rem 5vw;max-width:1100px;margin:0 auto}
.page.on{display:block}
.hero{padding:3rem 0}
.hero h1{font-size:clamp(1.8rem,4.5vw,3rem);line-height:1.15;max-width:18em;margin:0 0 1rem}
.hero p,.lead{color:var(--mut);max-width:40em;font-size:1.1rem}
.btn{display:inline-block;background:var(--acc);color:#fff;border:0;padding:.8rem 1.6rem;border-radius:8px;font-weight:600;text-decoration:none;cursor:pointer;font-size:1rem}
.btn:hover{background:#14557f}
.stats{display:flex;gap:2rem;flex-wrap:wrap;margin:1rem 0 2.5rem}
.stats div{background:var(--card);padding:1.2rem 1.8rem;border-radius:12px;box-shadow:0 1px 4px #0001;display:flex;flex-direction:column}
.stats b{font-size:2rem;color:var(--acc)}
.cards,.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.2rem}
article,.brand{background:var(--card);padding:1.4rem;border-radius:12px;box-shadow:0 1px 4px #0001}
article h3{margin-top:0}
.brand b{display:block;font-size:1.15rem}.brand small{color:var(--mut)}
.brand i{display:inline-block;width:44px;height:44px;border-radius:10px;background:var(--acc);color:#fff;font-style:normal;font-weight:700;line-height:44px;text-align:center;margin-bottom:.6rem}
form{max-width:560px;display:grid;gap:1rem}
label{display:grid;gap:.3rem;font-weight:600}
input,textarea{padding:.7rem;border:1px solid #cfd7e3;border-radius:8px;font:inherit}
input.err,textarea.err{border-color:#c0392b}
#status{font-weight:600}#status.ok{color:#1e8449}#status.bad{color:#c0392b}
footer{text-align:center;color:var(--mut);padding:2rem;font-size:.9rem}
@media(max-width:760px){.burger{display:block}nav{display:none;width:100%;flex-direction:column;align-items:flex-start;padding-top:.8rem}nav.open{display:flex}}