*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,sans-serif}.page-container{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(135deg,#1a1a1a,#2d2d2d,#1a1a1a);overflow:hidden;position:relative;padding:2rem 1rem}.particles-container{position:absolute;inset:0;overflow:hidden;pointer-events:none}.particle{position:absolute;width:4px;height:4px;background:#ffffff4d;border-radius:50%;animation:float 20s ease-in-out infinite}.particle-1{top:20%;left:15%;animation-duration:15s}.particle-2{top:40%;left:80%;animation-duration:18s;animation-delay:-2s}.particle-3{top:60%;left:10%;animation-duration:22s;animation-delay:-4s}.particle-4{top:80%;left:70%;animation-duration:20s;animation-delay:-6s}.particle-5{top:30%;left:50%;animation-duration:16s;animation-delay:-3s}.main-content{text-align:center;color:#fff;z-index:10;padding:0 1rem;max-width:64rem;width:100%}.heart-container{display:flex;justify-content:center;margin-bottom:3rem}.heartbeat{width:7rem;height:7rem;animation:heartbeat 1.5s ease-in-out infinite;filter:drop-shadow(0 0 30px rgba(255,107,107,.7)) drop-shadow(0 0 50px rgba(238,90,111,.4));transform-origin:center}.heart-path{filter:drop-shadow(0 0 15px rgba(255,107,107,.6))}.ecg-container{display:flex;justify-content:center;margin-bottom:3rem;overflow:hidden}.ecg-svg{width:100%;max-width:32rem;height:4rem}.ecg-line{stroke-dasharray:1000;stroke-dashoffset:1000;animation:ecgPulse 3s linear infinite;filter:drop-shadow(0 0 10px rgba(74,222,128,.9)) drop-shadow(0 0 20px rgba(74,222,128,.5))}.title{font-size:2rem;font-weight:700;margin-bottom:1.5rem;background:linear-gradient(to right,#fff,#ccc,#888);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;padding:0 .5rem}.subtitle{font-size:1.5rem;font-weight:300;margin:1.5rem 0;color:#f5f5f5;letter-spacing:.05em}.description{font-size:1.125rem;color:#999;margin:1.5rem 0;max-width:42rem;margin-left:auto;margin-right:auto}.loading-dots{display:flex;justify-content:center;gap:.75rem;margin-top:3rem}.loading-dot{width:.875rem;height:.875rem;background:#fff;border-radius:50%;animation:bounce 1.4s ease-in-out infinite}.loading-dot-1{animation-delay:0s}.loading-dot-2{animation-delay:.2s}.loading-dot-3{animation-delay:.4s}.footer{position:absolute;bottom:2rem;color:#666;font-size:.875rem}@keyframes float{0%,to{transform:translate(0)}25%{transform:translate(10px,-10px)}50%{transform:translate(-10px,10px)}75%{transform:translate(10px,10px)}}@keyframes heartbeat{0%{transform:scale(1)}7%{transform:scale(1.08)}14%{transform:scale(1)}21%{transform:scale(1.12)}28%{transform:scale(1)}to{transform:scale(1)}}@keyframes ecgPulse{0%{stroke-dashoffset:1000}to{stroke-dashoffset:0}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp 1s ease-out}.fade-in-up-1{animation:fadeInUp 1s ease-out .2s backwards}.fade-in-up-2{animation:fadeInUp 1s ease-out .4s backwards}.fade-in-up-3{animation:fadeInUp 1s ease-out .8s backwards}@media(max-width:390px){.title{font-size:1.75rem}.subtitle{font-size:1.25rem}.description{font-size:1rem}.page-container{padding:1.5rem .75rem}}@media(min-width:640px){.heartbeat{width:9rem;height:9rem}.ecg-svg{max-width:36rem;height:5rem}.title{font-size:3rem}.subtitle{font-size:1.875rem}.description{font-size:1.25rem}.loading-dot{width:1rem;height:1rem}}@media(min-width:768px){.heartbeat{width:11rem;height:11rem}.ecg-svg{max-width:42rem;height:6rem}.title{font-size:3.75rem}.subtitle{font-size:2.25rem}.description{font-size:1.25rem}}@media(min-width:1024px){.heartbeat{width:13rem;height:13rem}.title{font-size:4.5rem}.subtitle{font-size:2.5rem}.description{font-size:1.5rem}}