:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--glass-bg: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .2);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .1);--glass-blur: blur(20px);--glass-saturate: saturate(180%);--depth-1: 0 2px 8px rgba(0, 0, 0, .04);--depth-2: 0 4px 16px rgba(0, 0, 0, .08);--depth-3: 0 8px 32px rgba(0, 0, 0, .12);--depth-4: 0 16px 64px rgba(0, 0, 0, .16);--primary-glass: rgba(255, 255, 255, .9);--secondary-glass: rgba(255, 255, 255, .95);--accent-glass: rgba(0, 0, 0, .05);--container-max-width: 1400px;--section-padding: 120px 60px;--hero-padding: 80px 60px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,sans-serif;background:#fff;color:#000;line-height:1.3;-webkit-font-smoothing:antialiased}.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:60px 32px;text-align:center}.brand{font-size:14px;letter-spacing:.2em;font-weight:400;margin-bottom:8px;color:#000}.product-type{font-size:11px;letter-spacing:.15em;font-weight:300;margin-bottom:60px;color:#666;text-transform:uppercase}h1{font-size:clamp(2.5rem,10vw,7rem);font-weight:300;letter-spacing:-.03em;line-height:.95;margin-bottom:24px}.tagline{font-size:clamp(1.1rem,2.5vw,1.5rem);color:#666;font-weight:300;margin-bottom:16px;max-width:700px;margin-left:auto;margin-right:auto}.price{font-size:clamp(.95rem,2vw,1.1rem);color:#999;margin-bottom:60px;font-weight:300}.visual{max-width:900px;margin:0 auto 60px;width:100%}.cta-primary{background:linear-gradient(135deg,#000,#333);color:#fff;border:none;padding:20px 60px;font-size:15px;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;transition:all .4s 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rgba(255,255,255,.5);border-radius:18px;box-shadow:0 8px 32px #0000001f,inset 0 1px #fff9,inset 0 -1px #0000000d;color:#000;font-weight:400;padding:16px 32px;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.floating-cta .cta-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .6s ease}.floating-cta .cta-primary:hover{background:#d5e0d5;border-color:#ffffffb3;transform:translateY(-2px)}.floating-cta .cta-primary:hover:before{left:100%}.overlay{position:fixed;inset:0;background:#00000080;opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:998}.overlay.active{opacity:1;pointer-events:all}.overlay.confirm-active{z-index:1000;background:#000000b3}.sheet{position:fixed;bottom:0;left:0;right:0;background:#fff;max-height:80vh;transform:translateY(100%);transition:transform .3s 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cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;border-radius:16px;position:relative;overflow:hidden;will-change:transform}.option-btn:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d);opacity:0;transition:opacity .3s ease}.option-btn:hover{border-color:#999;transform:translateY(-2px) scale(1.02);box-shadow:var(--depth-2)}.option-btn:hover:before{opacity:1}.option-btn.selected{border-color:#000;background:#fafafa;transform:translateY(-1px) scale(1.01);box-shadow:var(--depth-2)}.option-btn.selected:before{opacity:0}.option-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center}.option-label{font-size:12px;color:#666;font-weight:300}.option-btn.selected .option-label{color:#000;font-weight:400}.sheet-footer{padding:40px 32px;border-top:1px solid #e0e0e0;background:#fafafa;display:flex;flex-direction:column;align-items:center;gap:20px}.price-display{text-align:center}.price-final{font-size:clamp(2rem,5vw,3rem);font-weight:300;letter-spacing:-.02em;color:#000;margin-bottom:12px}.price-badge{display:inline-block;background:#d5e0d566;border:1px solid rgba(213,224,213,.8);padding:8px 16px;border-radius:20px;font-size:13px;color:#000;font-weight:300}.refund-note{font-size:12px;color:#666;font-weight:300;margin-top:8px}.confirm-sheet{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);background:#fff;padding:60px 40px;border-radius:12px;box-shadow:0 20px 60px #0000004d;z-index:1001;opacity:0;pointer-events:none;transition:all .4s cubic-bezier(.4,0,.2,1);text-align:center;max-width:500px;width:90%}.confirm-sheet.active{opacity:1;pointer-events:all;transform:translate(-50%,-50%) scale(1)}.confirm-title{font-size:clamp(1.5rem,4vw,2rem);font-weight:300;letter-spacing:-.01em;margin-bottom:16px;color:#000}.confirm-text{font-size:15px;color:#666;line-height:1.6;margin-bottom:32px}.confetti{position:fixed;width:10px;height:10px;border-radius:50%;position:absolute;animation:confettiFall 3s ease-out forwards;pointer-events:none}@keyframes confettiFall{0%{transform:translateY(0) rotate(0) scale(1);opacity:1}50%{transform:translateY(50vh) rotate(360deg) scale(1.2);opacity:.8}to{transform:translateY(100vh) rotate(720deg) scale(.8);opacity:0}}@keyframes slideInUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeInScale{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}html{scroll-behavior:smooth}*{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.hero,.spec-card,.option-btn,.cta-primary{transform:translateZ(0);backface-visibility:hidden}@media(min-width:1920px){:root{--container-max-width: 1600px;--section-padding: 140px 80px;--hero-padding: 100px 80px}.hero h1{font-size:clamp(4rem,8vw,8rem)}.specs-grid{grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:40px}.spec-card{padding:50px 40px}.floating-cta{bottom:48px}}@media(max-width:1024px){:root{--section-padding: 100px 40px;--hero-padding: 60px 40px}.specs-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}}@media(max-width:768px){:root{--section-padding: 80px 24px;--hero-padding: 60px 24px}.specs-grid{grid-template-columns:1fr;gap:24px}.option-buttons{grid-template-columns:repeat(auto-fit,minmax(90px,1fr))}.cta-primary{width:100%}.confirm-sheet{padding:40px 24px}.price-final{font-size:2rem}.sheet{margin:0 8px;max-width:calc(100vw - 16px);border-radius:16px 16px 0 0}}