.time-sync-page{min-height:100vh;background:linear-gradient(135deg,#0f0c29,#302b63 50%,#24243e);color:#fff;position:relative;overflow-x:hidden}.background-decoration{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}.glow-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 20s ease-in-out infinite}.glow-orb-1{width:400px;height:400px;background:radial-gradient(circle,#667eea 0,transparent 70%);top:-10%;left:-10%;animation-delay:0s}.glow-orb-2{width:500px;height:500px;background:radial-gradient(circle,#f093fb 0,transparent 70%);bottom:-15%;right:-15%;animation-delay:-7s}.glow-orb-3{width:350px;height:350px;background:radial-gradient(circle,#4facfe 0,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-14s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.1)}66%{transform:translate(-20px,20px) scale(.9)}}.main-content{position:relative;z-index:1;padding:2rem 1rem;max-width:1200px;margin:0 auto}.header-section{text-align:center;margin-bottom:2rem;padding:2rem 0}.main-title{font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem;display:flex;align-items:center;justify-content:center;gap:.75rem}.title-icon{font-size:2.5rem;filter:drop-shadow(0 0 20px rgba(102,126,234,.5))}.subtitle{font-size:1.125rem;color:hsla(0,0%,100%,.7);font-weight:300;letter-spacing:.05em}.ad-slot{min-height:100px;margin:2rem auto;display:flex;align-items:center;justify-content:center;background:hsla(0,0%,100%,.02);border:1px dashed hsla(0,0%,100%,.1);border-radius:12px;max-width:728px}.ad-slot-top{margin-top:1rem}.ad-slot-middle{margin:3rem auto}.ad-slot-bottom,.clock-section{margin-bottom:2rem}.clock-section{background:hsla(0,0%,100%,.05);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:24px;padding:3rem 2rem;box-shadow:0 20px 60px rgba(0,0,0,.3);text-align:center}.date-display{text-align:center;font-size:1.25rem;color:hsla(0,0%,100%,.8);margin-bottom:1.5rem;font-weight:300;letter-spacing:.05em}.digital-clock{display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:1rem}.time-display{font-size:5rem;font-weight:700;font-family:Courier New,monospace;background:linear-gradient(135deg,#667eea,#f093fb 50%,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 30px rgba(102,126,234,.3);letter-spacing:.05em;line-height:1.2;margin-bottom:.5rem;animation:glow 3s ease-in-out infinite alternate}@keyframes glow{0%{filter:drop-shadow(0 0 10px rgba(102,126,234,.3))}to{filter:drop-shadow(0 0 25px rgba(240,147,251,.5))}}.time-format-label{font-size:1rem;color:hsla(0,0%,100%,.5);font-weight:400;letter-spacing:.2em;text-transform:uppercase}.calibration-section{margin-bottom:3rem}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.metric-card{background:hsla(0,0%,100%,.05);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:20px;padding:2rem;display:flex;align-items:center;gap:1.5rem;transition:all .3s ease;position:relative;overflow:hidden}.metric-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,transparent,hsla(0,0%,100%,.05));opacity:0;transition:opacity .3s ease}.metric-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.3);border-color:hsla(0,0%,100%,.2)}.metric-card:hover:before{opacity:1}.metric-card-rtt{border-left:4px solid #4facfe}.metric-card-offset{border-left:4px solid #f093fb}.metric-icon{font-size:2.5rem;filter:drop-shadow(0 0 10px rgba(255,255,255,.3))}.metric-content{flex:1}.metric-label{font-size:.875rem;color:hsla(0,0%,100%,.6);margin-bottom:.5rem;font-weight:500}.metric-value{font-size:2rem;font-weight:700;color:#fff;margin-bottom:.25rem;font-family:Courier New,monospace}.metric-description{font-size:.75rem;color:hsla(0,0%,100%,.4)}.calibrate-button{width:100%;max-width:400px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1.25rem 2rem;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:16px;font-size:1.125rem;font-weight:700;color:#fff;cursor:pointer;transition:all .3s ease;box-shadow:0 10px 30px rgba(102,126,234,.3);position:relative;overflow:hidden}.calibrate-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);transition:left .5s ease}.calibrate-button:hover:before{left:100%}.calibrate-button:hover{transform:translateY(-2px);box-shadow:0 15px 40px rgba(102,126,234,.4)}.calibrate-button:active{transform:translateY(0)}.calibrate-button:disabled{opacity:.7;cursor:not-allowed}.button-icon{font-size:1.5rem}.button-text{position:relative;z-index:1}.progress-bar{position:absolute;bottom:0;left:0;width:100%;height:4px;background:rgba(0,0,0,.2);overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#f093fb,#f5576c);transition:width .3s ease}.faq-section,.info-section,.tech-section,.tutorial-section{margin-bottom:3rem}.section-title{font-size:2rem;font-weight:700;margin-bottom:2rem;display:flex;align-items:center;gap:.75rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.info-card{background:hsla(0,0%,100%,.05);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;transition:all .3s ease}.info-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.3);border-color:hsla(0,0%,100%,.2);background:hsla(0,0%,100%,.08)}.info-card-icon{font-size:2.5rem;margin-bottom:1rem;filter:drop-shadow(0 0 10px rgba(255,255,255,.3))}.info-card-title{font-size:1.25rem;font-weight:600;margin-bottom:.75rem;color:#fff}.info-card-description{font-size:.9375rem;line-height:1.6;color:hsla(0,0%,100%,.7)}.tutorial-content{display:flex;flex-direction:column;gap:1.5rem}.tutorial-step{display:flex;gap:1.5rem;background:hsla(0,0%,100%,.05);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem;transition:all .3s ease}.tutorial-step:hover{background:hsla(0,0%,100%,.08);border-color:hsla(0,0%,100%,.2);transform:translateX(10px)}.step-number{flex-shrink:0;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:#fff;box-shadow:0 5px 15px rgba(102,126,234,.3)}.step-content{flex:1}.step-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:#fff}.step-description{font-size:.9375rem;line-height:1.6;color:hsla(0,0%,100%,.7)}.faq-list{display:flex;flex-direction:column;gap:1rem}.faq-item{background:hsla(0,0%,100%,.05);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:12px;overflow:hidden;transition:all .3s ease}.faq-item:hover{border-color:hsla(0,0%,100%,.2);background:hsla(0,0%,100%,.08)}.faq-item[open]{background:hsla(0,0%,100%,.08);border-color:rgba(102,126,234,.5)}.faq-question{padding:1.25rem 1.5rem;font-size:1.0625rem;font-weight:600;color:#fff;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;transition:all .3s ease}.faq-question:hover{color:#667eea}.faq-question:after{content:"+";font-size:1.5rem;font-weight:300;transition:transform .3s ease}.faq-item[open] .faq-question:after{content:"−";transform:rotate(180deg)}.faq-answer{padding:0 1.5rem 1.25rem}.faq-answer p{font-size:.9375rem;line-height:1.7;color:hsla(0,0%,100%,.7);margin:0}.tech-content{background:hsla(0,0%,100%,.05);backdrop-filter:blur(20px);border:1px solid hsla(0,0%,100%,.1);border-radius:16px;padding:2rem}.tech-subtitle{font-size:1.25rem;font-weight:600;margin-top:1.5rem;margin-bottom:.75rem;color:#fff}.tech-subtitle:first-child{margin-top:0}.tech-paragraph{font-size:.9375rem;line-height:1.7;color:hsla(0,0%,100%,.7);margin-bottom:1rem}.tech-paragraph code{background:rgba(0,0,0,.3);padding:.25rem .5rem;border-radius:4px;font-family:Courier New,monospace;font-size:.875rem;color:#f093fb}@media (max-width:768px){.main-title{flex-direction:column;gap:.5rem}.main-title,.title-icon{font-size:2rem}.subtitle{font-size:1rem}.clock-section{padding:2rem 1rem}.time-display{font-size:2.5rem;text-shadow:0 0 15px rgba(102,126,234,.3)}.metrics-grid{grid-template-columns:1fr}.metric-card{flex-direction:column;text-align:center}.section-title{font-size:1.5rem}.info-grid{grid-template-columns:1fr}.tutorial-step{flex-direction:column;align-items:center;text-align:center}.tutorial-step:hover{transform:translateY(-5px)}.ad-slot{min-height:250px}}@media (max-width:480px){.main-content{padding:1rem .5rem}.time-display{font-size:2rem}.calibrate-button{font-size:1rem;padding:1rem 1.5rem}}