*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{min-width:320px;min-height:100vh;background:#fff;color:#111827;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,Arial,sans-serif;line-height:1.5}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{width:100%;padding:20px 24px 12px}.site-header__logo{font-size:1.0625rem;font-weight:600;letter-spacing:.01em}.site-main{flex:1;display:grid;place-items:center;padding:24px}.app-card{width:100%;max-width:600px;padding:32px;border:1px solid #e5e7eb;border-radius:14px;background:#fff;box-shadow:0 10px 30px #1118270f;text-align:center}.app-card__title{margin:0;font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;letter-spacing:.01em}.app-card__description{margin:14px 0 0;color:#4b5563;font-size:1rem}.app-card__preview{margin-top:24px;padding:32px;border:1px solid #eef2f7;border-radius:12px;background:#f9fafb;display:flex;justify-content:center;align-items:center}.app-card__preview img{display:block;width:auto;max-width:100%;max-height:300px;height:auto;border-radius:8px}.site-footer{padding:12px 24px 24px;text-align:center;color:#6b7280;font-size:.9375rem}