:root{--bg:#fff;--card-bg:#fff;--browser-bg:#fff;--browser-chrome:#f8fafc;--address-bg:#fff;--video-bg:#f3f4f6;--sidebar-item:#f1f5f9;--text:#111827;--muted:#667085;--border:#e5e7eb;--accent:red;--accent-hover:#d90000;--soft-red:#ff00001a;--mark-bg:#fff5f5;--mark-border:#ff000026;--control:#cbd5e1;--control-line:#d1d5db;--focus:#ff000052;--shadow:0 24px 70px #0f172a1f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0f1115;--card-bg:#171a21;--browser-bg:#171a21;--browser-chrome:#1f232d;--address-bg:#11141a;--video-bg:#11141a;--sidebar-item:#222633;--text:#f9fafb;--muted:#a8b0bf;--border:#2d3340;--accent:#ff2b2b;--accent-hover:#ff4545;--soft-red:#ff2b2b29;--mark-bg:#ff2b2b1a;--mark-border:#ff2b2b42;--control:#4b5563;--control-line:#3f4654;--focus:#ff2b2b6b;--shadow:0 24px 80px #0000005c}}#root{min-height:100svh}body{margin:0}*{box-sizing:border-box}h1{color:var(--text);letter-spacing:-.055em;margin:0 0 10px;font-size:clamp(44px,6vw,74px);line-height:.95}p{margin:0}.page-shell{grid-template-columns:minmax(0,1fr);justify-content:center;align-items:center;gap:56px;width:min(900px,100% - 48px);min-height:100svh;margin:0 auto;padding:clamp(28px,5vw,48px) 0;display:grid}.page-shell:has(.browser-preview){grid-template-columns:minmax(0,.92fr) minmax(420px,1.08fr);width:min(1120px,100% - 32px)}.welcome-card{text-align:center;border:1px solid var(--border);background:radial-gradient(circle at top left, var(--soft-red), transparent 32%), var(--card-bg);box-shadow:var(--shadow);border-radius:34px;flex-direction:column;align-items:center;gap:24px;padding:clamp(36px,6vw,56px);display:flex;position:relative;overflow:hidden}.brand-mark{background:var(--mark-bg);width:84px;height:84px;box-shadow:inset 0 0 0 1px var(--mark-border);border-radius:26px;place-items:center;display:grid}.brand-mark img{width:64px;height:64px;display:block}.copy{z-index:1;position:relative}.eyebrow{color:var(--accent);letter-spacing:.16em;text-transform:uppercase;margin:0 0 12px;font-size:14px;font-weight:800}.install-line{color:var(--muted);margin:0;font-size:clamp(20px,2vw,26px);font-weight:600;line-height:1.25}.product-name{color:var(--text);margin:4px 0 0;font-size:clamp(24px,2.8vw,36px);font-weight:900;line-height:1.1}.primary-action{z-index:1;background:var(--accent);color:#fff;min-height:54px;box-shadow:0 16px 30px color-mix(in srgb, var(--accent) 32%, transparent);border-radius:999px;justify-content:center;align-items:center;padding:0 28px;font-size:17px;font-weight:800;text-decoration:none;transition:transform .18s,box-shadow .18s,background .18s;display:inline-flex;position:relative}.primary-action:hover{background:var(--accent-hover);box-shadow:0 20px 36px color-mix(in srgb, var(--accent) 38%, transparent);transform:translateY(-2px)}.primary-action:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.browser-preview{border:1px solid var(--border);background:var(--browser-bg);box-shadow:var(--shadow);border-radius:30px;overflow:hidden}.browser-top{border-bottom:1px solid var(--border);background:var(--browser-chrome);grid-template-columns:auto 1fr;align-items:center;gap:18px;padding:18px 20px;display:grid}.window-controls{gap:7px;display:flex}.window-controls span{background:var(--control);border-radius:50%;width:11px;height:11px}.address-bar{border:1px solid var(--border);min-width:0;color:var(--muted);background:var(--address-bg);text-align:center;border-radius:999px;padding:10px 16px;font-size:14px;font-weight:700}.browser-content{grid-template-columns:minmax(0,1fr) 160px;gap:20px;padding:24px;display:grid}.video-surface{background:linear-gradient(135deg, #ef44441f, transparent 45%), var(--video-bg);border-radius:24px;min-height:330px;position:relative;overflow:hidden}.play-button{background:var(--accent);border-radius:50%;width:86px;height:86px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.play-button:after{content:"";border-top:17px solid #0000;border-bottom:17px solid #0000;border-left:25px solid #fff;position:absolute;top:26px;left:34px}.skip-pill{color:#fff;background:#111827;border-radius:999px;padding:14px 24px;font-size:22px;font-weight:900;position:absolute;bottom:78px;right:26px;box-shadow:0 16px 28px #11182738}.video-controls{grid-template-columns:1fr 24px 24px 24px;align-items:center;gap:14px;display:grid;position:absolute;bottom:24px;left:24px;right:24px}.video-controls span{background:var(--control-line);border-radius:999px;height:14px;display:block}.video-controls .progress{background:linear-gradient(90deg, var(--accent) 0 42%, var(--control-line) 42% 100%);height:8px}.side-list{gap:16px;display:grid}.side-list span{background:var(--sidebar-item);border-radius:18px;min-height:92px}@media (width<=980px){.page-shell:has(.browser-preview){grid-template-columns:1fr;gap:28px;padding:28px 0}.browser-content{grid-template-columns:1fr}.side-list{display:none}}@media (width<=560px){.page-shell{width:calc(100% - 24px)}.welcome-card{border-radius:26px}.browser-preview{border-radius:24px}.browser-content{padding:14px}.video-surface{border-radius:18px;min-height:250px}.skip-pill{font-size:18px;bottom:68px;right:16px}}