:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--text-primary:#0f172a;--text-secondary:#64748b;--accent:#3b82f6;--accent-glow:#3b82f633;--border-color:#00000014}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-primary);-webkit-font-smoothing:antialiased;background-color:#f8fafc;background-image:radial-gradient(at 0 0,#3b82f626 0,#0000 50%),radial-gradient(at 100% 0,#a78bfa26 0,#0000 50%),radial-gradient(at 100% 100%,#3b82f626 0,#0000 50%),radial-gradient(at 0 100%,#a78bfa26 0,#0000 50%);background-attachment:fixed;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}h1,h2,h3{letter-spacing:-.025em;font-weight:700}.app-container{flex-direction:column;gap:3rem;max-width:1200px;margin:0 auto;padding:2rem;display:flex}.header{text-align:center;border-bottom:1px solid var(--border-color);padding-bottom:2rem}.header h1{background:linear-gradient(90deg,#2563eb,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:3rem}.header p{color:var(--text-secondary);font-size:1.125rem}.section-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:2rem;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008}.section-container:hover{box-shadow:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000008, 0 0 20px var(--accent-glow);transform:translateY(-2px)}.section-title{align-items:center;gap:.75rem;margin-bottom:1.5rem;font-size:1.5rem;display:flex}.video-wrapper{aspect-ratio:9/16;background-color:#000;border-radius:12px;width:100%;max-width:400px;margin:0 auto;position:relative;overflow:hidden}.video-player{object-fit:contain;width:100%;height:100%}.placeholder-video{color:#fff;background:linear-gradient(135deg,#334155 0%,#0f172a 100%);flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:flex}.iframe-wrapper{border:1px solid var(--border-color);background-color:#fff;border-radius:12px;width:100%;height:600px;overflow:hidden}.analytics-iframe{border:none;width:100%;height:100%}