:root{--bg:#e7eef4;--bg2:#d7e1ea;--panel:#eef3f7;--panel2:#dde7ef;--text:#1f2933;--muted:#556370;--blue:#3daee9;--blue-dark:#2b7cab;--border:#aebdc8}*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans","Segoe UI",sans-serif;color:var(--text);background:linear-gradient(180deg,var(--bg) 0,var(--bg2) 100%);display:flex;justify-content:center}.eyebrow a{color:inherit;text-decoration:none}.eyebrow a:hover{text-decoration:underline}.page{display:grid;grid-template-columns:minmax(0,1fr) 540px;width:100%;max-width:1280px;min-height:100vh;align-items:start}.content{max-width:980px;padding:1rem 2.5rem 3rem 3.5rem;align-self:start}.preview-panel{position:sticky;top:0;height:100vh;display:grid;grid-template-rows:1fr auto;padding:24px 12px 0 0;background:transparent;align-self:start}.video-frame{overflow:hidden;display:flex;align-items:flex-start;justify-content:center;background:transparent}.video-frame video{display:block;width:min(517px,100%);height:auto;object-fit:contain;object-position:top left;border:1px solid #95a6b3;border-radius:6px;background:#dde6ee;vertical-align:top}.preview-caption{margin:0;padding:10px 0 12px 0;font-size:.82rem;color:var(--muted);background:transparent}.hero{padding-top:0;padding-bottom:2rem}.eyebrow{margin:0 0 .8rem 0;color:var(--blue-dark);font-size:.9rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}h1{margin:0;font-size:clamp(3rem,7vw,5rem);line-height:1;letter-spacing:-0.05em;color:#17232d}h1::after{content:"";display:block;width:72px;height:3px;margin-top:1rem;background:var(--blue)}.lead{max-width:760px;margin-top:1.8rem;font-size:1.2rem;line-height:1.7;color:var(--muted)}.actions{display:flex;gap:.8rem;margin-top:2rem}.button{display:inline-block;padding:.7rem 1.1rem;text-decoration:none;font-weight:700;border:1px solid var(--border)}.button.primary{color:white;background:linear-gradient(180deg,#49b6ea 0,#2d8fc6 100%);border-color:#2679a8}.button.secondary{color:#1f4f6d;background:linear-gradient(180deg,#fff 0,#e9f0f5 100%)}section{margin-bottom:1.5rem;padding:1.6rem 1.8rem;background:linear-gradient(180deg,var(--panel) 0,var(--panel2) 100%);border:1px solid var(--border)}h2{margin-top:0;color:#214f6d}p{line-height:1.7;color:var(--muted)}a{color:var(--blue-dark)}ul{padding-left:1.4rem}li{margin-bottom:.6rem}.section-lead{font-size:1.05rem;color:var(--text)}.about-list{margin:1.2rem 0 0}.about-list dt{margin-top:.9rem;font-weight:700;color:#214f6d}.about-list dd{margin:.2rem 0 0 0;color:var(--muted)}.actions.full{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}.actions.full .button{text-align:center}.features{margin:0;padding-left:1.5rem}.features li{margin-bottom:.7rem;color:var(--muted)}pre{overflow-x:auto;padding:1rem;background:#e7eef4;border:1px solid var(--border)}code{font-family:"JetBrains Mono",monospace}footer{padding-top:1rem;color:var(--muted);font-size:.9rem}@media(max-width:600px){.actions.full{grid-template-columns:1fr}}@media(max-width:900px){.page{display:block}.preview-panel{position:relative;height:auto;padding:12px 12px 0 12px}.video-frame{overflow:visible}.video-frame video{width:100%;max-width:517px;height:auto;max-height:none}.content{padding:1rem 1.2rem 2rem 1.2rem}.feature-grid{grid-template-columns:1fr}.actions{flex-wrap:wrap}}