:root{--dark-bg: #ffffff;--text-light: #ffffff;--text-dark: #212529;--accent-color: #00bcd4;--font-primary: "Inter", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;background:#111}body{font-family:var(--font-primary);line-height:1.6;color:var(--text-light);background-color:var(--dark-bg);min-height:100vh}.header{position:fixed;width:100%;top:0;left:0;z-index:1000;background:transparent;transform:translateZ(0);transition:background .4s ease,box-shadow .4s ease}.header.scrolled{background:#fff;box-shadow:0 2px 10px #0000001a}.nav-wrapper{display:flex;justify-content:space-between;align-items:center;padding:1rem 2.5rem;max-width:1600px;margin:0 auto}.logo a{position:relative;display:block;height:45px;width:190px}.logo img{height:100%;width:100%;object-fit:contain;position:absolute;top:0;left:0;opacity:1;transition:opacity .4s ease}.logo .logo-black,.header.scrolled .logo-white{opacity:0}.header.scrolled 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a{color:var(--text-light);text-decoration:none;font-weight:500;font-size:1.2rem;padding:.5rem 0;position:relative;white-space:nowrap;transition:color .4s ease}.header.scrolled .nav a{color:var(--text-dark)}.hero{font-family:Pretendard Variable,sans-serif;position:relative;height:100vh;display:flex;justify-content:flex-start;align-items:flex-end;color:#fff;background-color:#0a0e14;background-size:cover;background-position:center;background-repeat:no-repeat;padding:0 0 8% 8%;box-sizing:border-box}.hero:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#0006;z-index:1}.hero-content{position:relative;z-index:2;text-align:left}.hero-title{font-size:5.5rem;font-weight:500}.hero-toptitle{font-size:2.5rem;font-weight:400}.hero-subtitle{font-size:1.5rem}.hero-toptitle,.hero-title,.hero-subtitle{margin-top:-1rem;margin-bottom:.5rem}.hero-subtitle{margin-bottom:0}.pixel-feature{background-color:#fff;color:#333;padding:6rem 0;text-align:center}.feature-main-title{font-size:2.5rem;font-weight:300;color:#888;margin-bottom:.5rem}.feature-subtitle-korean{font-size:3.5rem;font-weight:700;color:#4a4a8a;margin:0}.image-comparison{display:flex;justify-content:center;align-items:flex-start;gap:2rem;margin:0rem auto;padding:0rem 0}.image-comparison figure{margin:0;max-width:500px}.image-comparison figcaption{margin-top:1rem}.pixel-size{font-size:1.5rem;font-weight:700;margin:0}.pixel-company{font-size:.9rem;color:#777;margin-top:.25rem}.feature-description{max-width:800px;margin:3rem auto 0;font-size:1rem;color:#555;line-height:1.8;text-align:justify}.pixel-image{width:500px;height:250px;background-image:url(/assets/pixels-DWk1P1Cg.jpg);background-repeat:no-repeat;background-size:cover;margin:0 auto;border-radius:4px}#image-4-2um{background-position:0% 50%;background-size:300%;filter:blur(1.5px);transition:filter .3s ease}.rdc-feature{background-color:#fff;padding:6rem 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.section-title{color:#4a4a8a}.cokoa-subtitle{font-size:3.5rem;font-weight:700;color:#4a4a8a;margin:0}.cokoa-description{font-size:1.1rem;color:#777;margin-top:.5rem}.cokoa-patented{font-size:.9rem;font-weight:700;font-style:italic;color:#f39c12;margin:1rem 0 3rem}.cokoa-intro-text{max-width:900px;margin:0 auto 3rem;font-size:1rem;line-height:1.7;color:#555}.cokoa-image-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;max-width:900px;margin:0 auto}.cokoa-image-grid .grid-item{height:300px;background-size:contain;background-repeat:no-repeat;background-position:center}.power-consumption-feature{background-color:#fff;padding:6rem 0;text-align:center}.power-chart-image{max-width:100%;height:auto;margin:3rem 0}.achievements-feature{background-color:#fff;padding:6rem 0}.section-pre-title{text-align:center;color:#4a4a8a;font-size:3rem;font-weight:bolder;margin-bottom:3rem}.achievements-grid{display:inline-flex;justify-content:center;gap:8rem}.achievement-column{flex-basis:350px;font-size:2rem;text-align:center}.achievement-column h3{font-size:3rem;font-weight:700;color:#4a4a8a;margin-bottom:2rem}.achievement-column ul{list-style:none;padding:0;color:#555;font-size:1.1rem;line-height:1.7}.achievement-column li{margin-bottom:1.5rem}.achievement-column li span{font-size:.9rem;color:#888}.site-footer{background-color:#2c2c2c;color:#a9a9a9;font-size:.9rem;padding:4rem 2.5rem 2rem}.footer-top{display:flex;gap:3rem;padding-bottom:2rem;border-bottom:1px solid #444}.footer-identity{flex-shrink:0;display:flex;flex-direction:column;align-items:center}.footer-logo{width:150px;height:auto}.social-icons{display:flex;gap:1rem;margin-top:1.5rem}.social-icons a{color:#a9a9a9;width:32px;height:32px;transition:color .3s ease}.social-icons 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h2{font-size:2.5rem;color:var(--text-dark);margin:0;border:none;padding:0}.product-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:10rem}.product-card{background-color:#f8f9fa;border-radius:8px;padding:1.5rem;text-align:center;border:1px solid #e9ecef}.product-card h3{font-size:1.3rem;color:var(--text-dark)}.product-card img{max-width:80%;height:auto}.product-specs{list-style:none;padding:0;margin:0;text-align:left;font-size:.9rem;color:#555}.product-specs li{margin-bottom:.75rem;display:flex;justify-content:space-between}.product-specs span{color:#888;margin-right:1rem;flex-shrink:0}main.product-grid-main{max-width:950px;margin:0 auto}.sidebar-nav-app{flex-basis:250px;flex-shrink:0;color:#a9a9a9;background-color:#2c2c2c;padding:4rem;overflow:hidden}.sidebar-nav-app ul{list-style:none;padding:0;margin-top:5rem}.sidebar-nav-app li{margin-bottom:1.5rem}.sidebar-nav-app a{font-size:1rem;font-weight:500;text-decoration:none;color:#a9a9a9;transition:color 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p{margin-bottom:1rem}.executive-details.expanded{max-height:500px;opacity:1;margin-bottom:1.5rem}@media(max-width:1024px){.leadership-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.leadership-grid{grid-template-columns:1fr}}.main-content-column{width:100%}.main-content-column .two-column-layout,#about-us .two-column-layout,.executives-section .two-column-layout{max-width:80%}#about-us .section-title,#executives .section-title{text-align:center;margin-bottom:7rem}#about-us .text-content p,.executive-details{margin-bottom:1rem}.executive-profile .text-content{max-width:50%}.about-image{width:70%;height:auto}.csr-content-wrapper{max-width:80%;margin:0 auto;padding-top:6rem}.csr-content-wrapper h2{color:#4a4a8a}.csr-section{padding:6rem 0;background-color:#fff;color:var(--text-dark)}.csr-details{max-width:80%;margin:0 auto;color:var(--text-dark);max-height:0;opacity:0;overflow:hidden;transition:max-height .5s ease-out,opacity .3s ease-in,margin-top .5s 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var(--accent-color)}.careers-image{max-width:100%;width:30%;object-fit:cover}.benefit-intro{padding:4rem 2rem 6rem;background-color:#f8f9fa;text-align:center;color:var(--text-dark)}.benefit-intro .section-title{color:#4a4a8a}.benefit-intro p{max-width:800px;margin:1rem auto 0;font-size:1.1rem;line-height:1.7;color:#555}.benefit-grid-section{padding:6rem 2rem;background-color:#fff}.benefit-carousel-wrapper{position:relative;max-width:1200px;margin:0 auto}.benefit-carousel{width:100%;overflow:hidden}.benefit-grid{display:flex;gap:2rem;transition:transform .5s ease-in-out}.benefit-card{flex:0 0 calc(33.333% - (2rem * 2 / 3));background-color:#f8f9fa;border:1px solid #e9ecef;padding:2.5rem;border-radius:8px;box-shadow:0 4px 12px #0000000d}.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:10;background-color:#ffffffe6;border:1px solid #ddd;border-radius:50%;width:50px;height:50px;font-size:2rem;font-weight:700;color:var(--text-dark);cursor:pointer;transition:all .2s ease}.carousel-btn:hover{background-color:#fff;box-shadow:0 4px 10px #0000001a}.carousel-btn.prev{left:-25px}.carousel-btn.next{right:-25px}.carousel-btn:disabled{color:#ccc;background-color:#f9f9f9;cursor:not-allowed;opacity:.7}.benefit-card{background-color:#f8f9fa;border:1px solid #e9ecef;padding:2.5rem;border-radius:8px;box-shadow:0 4px 12px #0000000d}.benefit-card h3{font-size:1.5rem;font-weight:700;color:var(--accent-color);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:1px solid #ddd}.benefit-card ul{list-style-type:none;padding-left:0;color:#555}.benefit-card li{font-size:1rem;line-height:1.6;position:relative;padding-left:1.5rem;margin-bottom:.75rem}.benefit-card li:before{content:"✓";position:absolute;left:0;top:0;color:var(--accent-color);font-weight:700}.contact-form-section{padding:4rem 0 6rem;color:var(--text-dark)}.contact-form-section .container{max-width:800px;margin:0 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#ccc;border-radius:4px;box-sizing:border-box;background-color:#fff;cursor:pointer;color:#333;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right 1rem center;background-size:.8rem auto}.form-group select:focus,.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #00bcd41a}@keyframes 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#e0e0e0}.milestone-window::-webkit-scrollbar{width:6px}.milestone-window::-webkit-scrollbar-track{background:#e0e0e0;border-radius:3px}.milestone-window::-webkit-scrollbar-thumb{background-color:var(--accent-color);border-radius:3px}#milestone-track{position:relative;min-height:100%;padding-bottom:2rem}.timeline-line{position:absolute;left:50%;top:0;bottom:0;width:4px;background-color:#e0e0e0;transform:translate(-50%);z-index:1}.timeline-item{position:relative;margin-bottom:-3rem;width:100%;display:flex;justify-content:center;z-index:2}.timeline-item:last-child{margin-bottom:0}.timeline-dot{position:absolute;left:50%;top:20px;transform:translate(-50%);width:16px;height:16px;background-color:#fff;border:4px solid var(--accent-color);border-radius:50%;z-index:3;box-shadow:0 0 0 4px #fff}.timeline-content-wrapper{width:50%;display:flex;align-items:flex-start;padding:0 40px;box-sizing:border-box}.timeline-item.left 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transparent}.date-month{display:block;font-size:.9rem;font-weight:700;color:#333}.date-day{display:block;font-size:1.8rem;font-weight:700;color:var(--accent-color);line-height:1.2}.date-year{display:block;font-size:.9rem;color:#888}.timeline-card{background-color:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 4px 15px #0000000d;flex-grow:1;position:relative;max-width:400px}.timeline-card h3{font-size:1.2rem;color:#333;margin-bottom:.5rem}.timeline-card p{font-size:.95rem;color:#666;line-height:1.6}.timeline-card:after{content:"";position:absolute;top:20px;width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent}@media(max-width:768px){.timeline-line{left:20px}.timeline-item{flex-direction:column;align-items:flex-start;margin-left:20px;width:auto}.timeline-content-wrapper{width:100%;padding:0 0 0 30px}.timeline-dot{left:20px}.timeline-item.left .timeline-content-wrapper,.timeline-item.right .timeline-content-wrapper{flex-direction:column;text-align:left;align-items:flex-start;margin:0}.timeline-item.left .timeline-date,.timeline-item.right .timeline-date{margin:0 0 10px;flex-direction:row;display:inline-flex;gap:10px;align-items:baseline;padding:.5rem 1rem}.timeline-card:after{display:none}}.timeline-item.left .timeline-date:after{right:-10px;border-left:10px solid #fff;border-right:none}.timeline-item.right .timeline-date:after{left:-10px;border-right:10px solid #fff;border-left:none}.visual-specs-section{padding:6rem 0;background-color:#fff;font-family:Inter,sans-serif}.c4-intro-header{text-align:center;max-width:800px;margin:0 auto 4rem}.c4-intro-header .tech-tag{color:var(--accent-color);font-weight:700;font-size:1.1rem;text-transform:uppercase;letter-spacing:1px;display:block;margin-bottom:.5rem}.c4-intro-header h2{font-size:3rem;color:var(--text-dark);margin-bottom:1.5rem}.c4-intro-header 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100%);border-radius:inherit;pointer-events:none}.visual-label-v2{position:relative;font-size:1.4rem;font-weight:700;color:#fff;line-height:1.3;margin:0;text-shadow:0 1px 4px rgba(0,0,0,.4);z-index:1}.visual-card-v2:nth-child(1),.visual-card-v2:nth-child(2){grid-column:span 3}.visual-card-v2:nth-child(3),.visual-card-v2:nth-child(4),.visual-card-v2:nth-child(5){grid-column:span 2}@media(max-width:900px){.visual-grid-v2{grid-template-columns:1fr}.visual-card-v2{grid-column:span 1!important;height:250px}}.skeleton-loader{background:#f0f0f0;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite linear;border-radius:4px}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}