:root{--primary-color:#f70;--primary-color-light:#f94;--background-color:#0a0a0a;--card-background:linear-gradient(135deg, #ff77001a 0%, #000000e6 100%);--text-color:#b8b8b8;--text-color-muted:#888;--border-color:#ff770040}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--background-color);color:var(--text-color);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.7;overflow-x:hidden}.background-aurora{z-index:-1;width:100%;height:100%;position:fixed;top:0;left:0;overflow:hidden}.background-aurora:before{content:"";background:radial-gradient(circle,#ff770026 0%,#0000 70%);border-radius:50%;width:800px;height:800px;animation:8s ease-in-out infinite pulse;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes pulse{0%{opacity:.5;transform:translate(-50%,-50%)scale(.9)}50%{opacity:.8;transform:translate(-50%,-50%)scale(1.3)}to{opacity:.5;transform:translate(-50%,-50%)scale(.9)}}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex;position:relative}.icon-3d{z-index:1;width:130px;height:130px;margin-bottom:2rem;animation:5s ease-in-out infinite bounce-rotate;position:relative}@keyframes bounce-rotate{0%,to{transform:translateY(0)rotate(-5deg)}50%{transform:translateY(-20px)rotate(5deg)}}h1{background:linear-gradient(135deg, #fff 0%, var(--primary-color) 50%, var(--primary-color-light) 100%);-webkit-text-fill-color:transparent;z-index:1;letter-spacing:-1px;background-clip:text;margin-bottom:.5rem;font-family:Space Grotesk,sans-serif;font-size:4rem;font-weight:900}.subtitle{color:var(--primary-color);z-index:1;margin-bottom:.5rem;font-size:1.4rem;font-weight:600}.period{color:var(--text-color-muted);z-index:1;margin-bottom:1rem;font-size:1rem}.tagline{color:var(--text-color-muted);z-index:1;max-width:600px;margin-bottom:3rem;font-size:1.3rem}.container{max-width:850px;margin:0 auto;padding:0 2rem}.slide{background:var(--card-background);border:1.5px solid var(--border-color);border-radius:24px;margin-bottom:2.5rem;padding:3rem;transition:transform .4s,box-shadow .4s,border-color .4s;position:relative;overflow:hidden}.slide:hover{border-color:var(--primary-color);transform:translateY(-8px)scale(1.02);box-shadow:0 30px 60px #f703}.slide:before{content:"";background:linear-gradient(90deg, var(--primary-color), var(--primary-color-light), transparent);width:100%;height:4px;position:absolute;top:0;left:0}.slide-number{background:linear-gradient(135deg, var(--primary-color), var(--primary-color-light));color:#000;border-radius:12px;margin-bottom:1.5rem;padding:.6rem 1.2rem;font-size:.9rem;font-weight:700;display:inline-block;box-shadow:0 5px 15px #ff77004d}h2{color:var(--primary-color);margin-bottom:1.5rem;font-family:Space Grotesk,sans-serif;font-size:2.3rem;font-weight:700}p{color:var(--text-color);margin-bottom:1rem;font-size:1.1rem}ul{padding-left:0;list-style:none}li{color:var(--text-color);padding:.6rem 0 .6rem 2rem;font-size:1.05rem;position:relative}li:before{content:"→";color:var(--primary-color);font-size:1.5rem;font-weight:700;position:absolute;top:50%;left:0;transform:translateY(-50%)}.metrics-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2rem;display:grid}.metric{border-left:4px solid var(--primary-color);background:#ff77001a;border-radius:12px;flex-direction:column;gap:.5rem;padding:1.5rem;transition:all .3s;display:flex}.metric:hover{background:#ff770026;transform:translateY(-5px)}.metric-icon{width:40px;height:40px;color:var(--primary-color)}.metric-content strong{color:#fff;margin-bottom:.25rem;font-size:1.1rem;display:block}.metric-content span{color:var(--text-color-muted);font-size:.95rem}.stack{flex-wrap:wrap;gap:.7rem;margin-top:2rem;display:flex}.stack-item{border:1.5px solid var(--primary-color);color:var(--primary-color);background:#ff770026;border-radius:30px;padding:.6rem 1.2rem;font-size:.9rem;font-weight:600;transition:all .3s}.stack-item:hover{background:var(--primary-color);color:#000;transform:translateY(-3px)}.result-box{border:2px solid var(--primary-color);background:linear-gradient(135deg,#f703 0%,#ff770014 100%);border-radius:20px;margin-top:3rem;padding:2.5rem;position:relative;box-shadow:0 10px 40px #f703}.result-box:before{content:"✓";background:linear-gradient(135deg, var(--primary-color), var(--primary-color-light));color:#000;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;font-weight:700;display:flex;position:absolute;top:-18px;left:25px;box-shadow:0 4px 15px #f706}.highlight-box{border-left:4px solid var(--primary-color);background:#00000080;border-radius:8px;margin:2rem 0;padding:1.5rem}footer{text-align:center;color:#666;border-top:1px solid var(--border-color);padding:4rem 2rem}@media (width<=768px){h1{font-size:3rem}h2{font-size:1.8rem}.slide{padding:2rem}.icon-3d{width:110px;height:110px}}