:root{--navy:#10295f;--navy2:#071b46;--blue:#2364ff;--purple:#7442ff;--ink:#15213b;--muted:#6f7c92;--line:#dfe5ef;--bg:#f7f9fc;--green:#11a64b;--shadow:0 18px 50px rgba(19,35,72,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f7f9fc,#fff)}button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.topbar{position:sticky;top:0;z-index:90;height:72px;display:flex;align-items:center;gap:28px;padding:0 clamp(18px,3vw,48px);background:rgba(255,255,255,.96);border-bottom:1px solid #e6eaf1;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:#111b33;font-size:24px;font-weight:950;letter-spacing:-1px}.brand-badge{display:grid;place-items:center;min-width:48px;height:34px;padding:0 10px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-size:12px;letter-spacing:.4px}.brand>span:last-child>span{background:linear-gradient(90deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}.topbar nav{display:flex;gap:26px;margin-left:auto}.topbar nav a{text-decoration:none;color:#2f374b;font-weight:800;font-size:14px}.top-buy{border:0;border-radius:12px;padding:13px 18px;color:#fff;font-weight:900;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 10px 26px rgba(70,82,255,.22)}
.app-shell{width:min(1500px,96vw);margin:24px auto 54px;display:grid;grid-template-columns:minmax(380px,580px) minmax(520px,1fr);gap:18px;align-items:start}