:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#0f172a;background-color:#f8fafc}*{box-sizing:border-box}body{margin:0}.app-shell{min-height:100vh}.top-bar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 2rem;border-bottom:1px solid #e2e8f0;background:#fff}.top-bar-logo{height:36px;object-fit:contain}.auth-button{border:1px solid #0f172a;border-radius:999px;background:#0f172a;color:#fff;padding:.5rem 1.1rem;font-size:.95rem;font-weight:600;cursor:pointer}.auth-button:hover{background:#1e293b}.landing-main{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;max-width:1180px;margin:0 auto;padding:4rem 2rem}.landing-copy{max-width:480px}.landing-kicker{margin:0 0 .75rem;color:#475569;letter-spacing:.08em;text-transform:uppercase;font-size:.82rem;font-weight:700}.landing-title{margin:0;font-size:clamp(2rem,4vw,3rem);color:#0f172a}.landing-subtitle{margin-top:1rem;line-height:1.6;color:#334155;font-size:1.05rem}.landing-hero-wrap{display:flex;justify-content:flex-end}.landing-hero{width:min(100%,540px);border-radius:1rem;box-shadow:0 18px 44px #0f172a33}.callback-status{padding:3rem 2rem;text-align:center;font-size:1.05rem}.callback-error{color:#991b1b}@media(max-width:900px){.landing-main{grid-template-columns:1fr;padding-top:2rem}.landing-hero-wrap{justify-content:flex-start}}