:root{--navy:#14233F;--blue:#1F6FB5;--sky:#E4EFFA;--pale:#F1F6FB;--line:#D5E1EF;--mute:#2C3E5E}
*{box-sizing:border-box}
body{margin:0;font-family:'Manrope',system-ui,sans-serif;color:var(--navy);background:#fff;line-height:1.55}
h1,h2,h3{font-family:'Sora',sans-serif;line-height:1.15;margin:0}
a{color:var(--blue)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;padding-bottom:14px}
header img{height:64px;width:auto;display:block}
nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
nav a{color:var(--navy);text-decoration:none;font-weight:600}
.btn{display:inline-block;background:var(--navy);color:#fff!important;text-decoration:none;font-weight:700;padding:14px 24px;border-radius:12px;border:2px solid var(--navy)}
.btn.alt{background:#fff;color:var(--navy)!important}
.hero{background:var(--pale)}
.hero .wrap{display:flex;flex-wrap:wrap;gap:40px;align-items:center;padding-top:56px;padding-bottom:56px}
.hero .txt{flex:1 1 420px}
.eyebrow{font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue)}
.hero h1{font-size:clamp(32px,6vw,50px);margin:12px 0 16px}
.hero p{font-size:19px;color:var(--mute);margin:0 0 22px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
section{padding:56px 0}
section h2{font-size:clamp(26px,4.5vw,36px);margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:22px}
.card{border:1px solid var(--line);border-radius:14px;padding:20px}
.card b{font-family:'Sora',sans-serif}
.num{font-family:'Sora',sans-serif;font-weight:700;font-size:38px;color:var(--blue)}
.pale{background:var(--pale)}
.price{display:flex;flex-wrap:wrap;gap:20px;margin-top:22px}
.plan{flex:1 1 300px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}
.plan.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
.plan .amt{font-family:'Sora',sans-serif;font-weight:700;font-size:46px}
details{border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{font-weight:700;cursor:pointer}
details p{margin:10px 0 0;color:var(--mute)}
.cta{background:var(--navy);color:#fff;border-radius:20px;padding:40px 28px}
.cta a.mail{color:#fff;font-size:21px;font-weight:700}
footer{border-top:1px solid var(--line);padding:22px 0;font-size:14px;color:#4A5B78}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
/* chat */
.chat{flex:1 1 360px;max-width:460px;background:#fff;border-radius:20px;box-shadow:0 12px 40px rgba(20,35,63,.14);overflow:hidden}
.chead{background:var(--blue);color:#fff;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;font-weight:700}
.chead small{background:rgba(255,255,255,.2);padding:2px 8px;border-radius:9px;font-weight:600}
.msgs{height:300px;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px;background:#fff}
.m{max-width:85%;padding:9px 13px;border-radius:16px;font-size:15px}
.m.b{background:var(--sky);align-self:flex-start;border-bottom-left-radius:4px}
.m.u{background:var(--blue);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chips{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 14px 14px}
.chips button{font:inherit;font-size:13.5px;font-weight:700;color:var(--blue);background:#fff;border:2px solid var(--blue);border-radius:12px;padding:9px;cursor:pointer}
.chips button:hover{background:var(--sky)}
.note{font-size:12px;color:#4A5B78;padding:0 14px 12px}