@layer reset,base,layout,components,utilities;@layer reset{*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:80px}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button{background:none;border:none;cursor:pointer;font:inherit}img{max-width:100%;height:auto;display:block}}@layer base{:root{--color-cp-blue: #0074E9;--color-cp-blue-hover: #005cbd;--color-cp-blue-light: #e6f2ff;--color-cp-red: #E52528;--color-cp-red-hover: #c41e21;--color-cp-orange: #FF8F00;--color-light-bg: #FFFFFF;--color-light-bg-alt: #F8F9FA;--color-light-text-main: #111111;--color-light-text-sub: #555555;--color-light-border: #E2E8F0;--color-light-card: #FFFFFF;--color-light-shadow: rgba(0, 0, 0, .06);--bg-main: var(--color-light-bg);--bg-alt: var(--color-light-bg-alt);--text-main: var(--color-light-text-main);--text-sub: var(--color-light-text-sub);--border-color: var(--color-light-border);--card-bg: var(--color-light-card);--card-shadow: var(--color-light-shadow);--font-primary: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;color-scheme:light}body{font-family:var(--font-primary);background-color:var(--bg-main);color:var(--text-main);line-height:1.6;transition:background-color .3s,color .3s}:focus-visible{outline:2px solid var(--color-cp-blue);outline-offset:4px}}@layer layout{.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}.grid{display:grid;gap:30px}.grid-2-col{grid-template-columns:1fr}@media (min-width: 768px){.grid-2-col{grid-template-columns:repeat(2,1fr)}}.section-padding{padding-block:80px}.bg-alt{background-color:var(--bg-alt)}}@layer components{.section-title{font-size:2.2rem;font-weight:800;text-align:center;margin-bottom:50px;letter-spacing:-.5px;position:relative}.section-title:after{content:"";display:block;width:50px;height:4px;background-color:var(--color-cp-blue);margin:15px auto 0;border-radius:2px}.section-title .subtitle{font-size:1.1rem;font-weight:500;color:var(--text-sub);display:block;margin-top:5px}.scroll-to-top-btn{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:8px;background-color:var(--color-cp-blue);color:#fff;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 12px #0074e940;z-index:999;transition:background-color .2s,transform .2s,opacity .2s;cursor:pointer;animation:fadeInTopBtn .25s ease-out}.scroll-to-top-btn:hover{background-color:var(--color-cp-blue-hover);transform:translateY(-2px)}.scroll-to-top-btn:active{transform:translateY(0)}@keyframes fadeInTopBtn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}}@layer utilities{.accent-color{color:var(--color-cp-blue)}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.fade-in-element{opacity:0;transform:translateY(20px);transition:opacity .6s ease-out,transform .6s ease-out}.fade-in-element.visible{opacity:1;transform:translateY(0)}}@layer components{#main-header{position:fixed;top:0;left:0;right:0;height:70px;z-index:1000;background-color:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);transition:background-color .3s,border-color .3s}.header-container{max-width:1200px;height:100%;margin-inline:auto;padding-inline:20px;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;font-size:1.4rem;font-weight:800;letter-spacing:-.5px}.logo-yuntaek{color:var(--text-main)}.logo-jobs{color:var(--color-cp-blue);margin-left:2px;font-weight:900}.nav-menu ul{display:none;gap:30px}@media (min-width: 768px){.nav-menu ul{display:flex}}.nav-link{font-size:.95rem;font-weight:600;color:var(--text-sub);padding-block:5px;border-bottom:2px solid transparent;transition:color .2s,border-bottom-color .2s}.nav-link:hover,.nav-link.active{color:var(--color-cp-blue)}.nav-link.active{border-bottom-color:var(--color-cp-blue)}.header-actions{display:flex;align-items:center;gap:15px}@media (max-width: 767px){.header-actions{display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:6px;transition:background-color .2s,transform .1s,box-shadow .2s;cursor:pointer;min-block-size:40px;padding-inline:16px}.btn-sm{font-size:.85rem;padding:6px 12px;min-block-size:32px}.btn-lg{font-size:1rem;padding:14px 28px;min-block-size:48px}.btn-primary{background-color:var(--color-cp-blue);color:#fff;box-shadow:0 4px 10px #0074e926}.btn-primary:hover{background-color:var(--color-cp-blue-hover);box-shadow:0 4px 12px #0074e94d}.btn-outline{border:1px solid var(--border-color);background-color:var(--card-bg);color:var(--text-main)}.btn-outline:hover{border-color:var(--color-cp-blue);color:var(--color-cp-blue);background-color:var(--bg-alt)}.btn:active{transform:scale(.98)}}@layer components{.badge{display:inline-block;padding:6px 12px;font-size:.8rem;font-weight:700;border-radius:20px;text-transform:uppercase;width:max-content}.badge-accent{background-color:var(--color-cp-blue-light);color:var(--color-cp-blue)}:root[data-theme=dark] .badge-accent{background-color:#0074e933;color:#60a5fa}#hero{padding-top:140px;padding-bottom:80px;background:linear-gradient(135deg,light-dark(#F1F5F9,#0F172A),light-dark(#E2E8F0,#1E293B));position:relative;overflow:hidden}.hero-container{max-width:1200px;margin-inline:auto;padding-inline:20px;display:grid;grid-template-columns:1fr;gap:40px;align-items:center}@media (min-width: 992px){.hero-container{grid-template-columns:1.2fr .8fr}}.hero-content{display:flex;flex-direction:column;gap:20px}.hero-content h1{font-size:clamp(2rem,1.5rem + 2.5vw,3.2rem);line-height:1.25;font-weight:900;letter-spacing:-1px;text-wrap:balance}.hero-content h1 .highlight{color:var(--color-cp-blue);position:relative}.hero-lead{font-size:clamp(1rem,.95rem + .3vw,1.15rem);color:var(--text-sub);line-height:1.7;text-wrap:pretty}.hero-actions-group{display:flex;flex-wrap:wrap;gap:15px;margin-top:10px}.hero-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:30px;box-shadow:0 10px 30px var(--card-shadow);transition:transform .3s,box-shadow .3s}.hero-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px var(--card-shadow)}.profile-header{border-bottom:1px solid var(--border-color);padding-bottom:20px;margin-bottom:20px}.profile-header h2{font-size:1.8rem;font-weight:800}.profile-header p{color:var(--color-cp-blue);font-weight:700;font-size:.95rem;margin-top:4px}.profile-contact-list{display:flex;flex-direction:column;gap:15px;margin-bottom:25px}.profile-contact-list li{display:flex;align-items:center;gap:12px;color:var(--text-sub);font-size:.95rem}.profile-contact-list li i{width:18px;height:18px;color:var(--color-cp-blue);display:inline-flex;align-items:center}.profile-contact-list li a:hover{color:var(--color-cp-blue);text-decoration:underline}.profile-footer{display:flex;flex-wrap:wrap;gap:8px}.tech-tag{font-size:.75rem;font-weight:700;padding:4px 10px;background-color:var(--bg-alt);border-radius:4px;color:var(--text-main)}}@layer components{.text-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:40px;box-shadow:0 4px 12px var(--card-shadow);display:flex;flex-direction:column;gap:20px}.about-icon-header{display:flex;align-items:center;gap:12px;border-bottom:2px solid var(--border-color);padding-bottom:15px;margin-bottom:5px}.about-icon-header i{width:28px;height:28px;color:var(--color-cp-blue);display:inline-flex;align-items:center}.about-icon-header h3{font-size:1.35rem;font-weight:700}.about-box p{color:var(--text-sub);line-height:1.75;font-size:1rem;text-wrap:pretty}.highlight-text{background-color:var(--bg-alt);border-left:4px solid var(--color-cp-blue);padding:15px;border-radius:0 8px 8px 0;font-weight:600;color:var(--text-main)!important}}@layer components{.skill-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:30px;display:flex;gap:20px;box-shadow:0 4px 10px var(--card-shadow);transition:transform .2s,box-shadow .2s}.skill-card:hover{transform:translateY(-6px);box-shadow:0 14px 28px #00000014}.skill-icon-wrapper{width:50px;height:50px;border-radius:8px;background-color:var(--color-cp-blue-light);color:var(--color-cp-blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}.skill-icon-wrapper i{width:24px;height:24px;display:inline-flex;align-items:center}.skill-content{display:flex;flex-direction:column;gap:12px}.skill-content h3{font-size:1.2rem;font-weight:700;letter-spacing:-.3px}.skill-content ul{display:flex;flex-direction:column;gap:8px;color:var(--text-sub);font-size:.95rem}.skill-content ul li{position:relative;padding-left:14px}.skill-content ul li:before{content:"•";position:absolute;left:0;color:var(--color-cp-blue)}.skill-badges{display:flex;flex-wrap:wrap;gap:6px;margin-top:5px}.badge-tool{background-color:var(--bg-alt);color:var(--text-sub);border:1px solid var(--border-color);font-size:.75rem;font-weight:600;border-radius:4px;padding:3px 8px;transition:all .2s ease}.badge-tool:hover{background-color:var(--color-cp-blue-light);color:var(--color-cp-blue);border-color:var(--color-cp-blue);transform:translateY(-1px) scale(1.05)}}@layer components{.timeline{position:relative;max-width:850px;margin-inline:auto;padding-left:20px}.timeline:before{content:"";position:absolute;left:4px;top:5px;bottom:5px;width:2px;background-color:var(--border-color)}.timeline-item{position:relative;margin-bottom:40px}.timeline-item:last-child{margin-bottom:0}.timeline-badge{position:absolute;left:-20px;top:6px;width:10px;height:10px;border-radius:50%;background-color:var(--color-cp-blue);border:3px solid var(--bg-main);z-index:10;transition:transform .2s}.timeline-item:hover .timeline-badge{transform:scale(1.4)}.timeline-panel{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:30px;box-shadow:0 4px 10px var(--card-shadow);transition:border-color .2s,box-shadow .2s}.timeline-item:hover .timeline-panel{border-color:var(--color-cp-blue);box-shadow:0 8px 20px var(--card-shadow)}.timeline-header{border-bottom:1px solid var(--border-color);padding-bottom:15px;margin-bottom:20px;display:flex;flex-direction:column;gap:6px}@media (min-width: 576px){.timeline-header{flex-direction:row;justify-content:space-between;align-items:flex-end}}.timeline-header .period{font-size:.85rem;font-weight:700;color:var(--color-cp-blue);order:-1}@media (min-width: 576px){.timeline-header .period{order:1}}.timeline-header h3{font-size:1.3rem;font-weight:800}.timeline-header .position{font-size:1.05rem;font-weight:600;color:var(--text-sub)}.timeline-body{display:flex;flex-direction:column;gap:20px}.timeline-body h4{font-size:.95rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-main)}.task-list,.achievement-list{display:flex;flex-direction:column;gap:8px;color:var(--text-sub);font-size:.95rem}.task-list li,.achievement-list li{position:relative;padding-left:15px}.task-list li:before{content:"•";position:absolute;left:0;color:var(--text-sub)}.achievement-list li:before{content:"✓";position:absolute;left:0;color:var(--color-cp-blue);font-weight:700}.highlight-achievement{color:var(--text-main)}.used-tools{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tool-tag{font-size:.75rem;font-weight:600;padding:3px 8px;background-color:var(--bg-alt);border:1px solid var(--border-color);color:var(--text-sub);border-radius:4px}}@layer components{.project-grid{display:grid;grid-template-columns:1fr;gap:24px;max-width:1200px;margin-inline:auto}@media (min-width: 992px){.project-grid{grid-template-columns:repeat(3,1fr)}}.project-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:30px;box-shadow:0 4px 15px var(--card-shadow);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;justify-content:space-between;height:100%}.project-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px var(--card-shadow)}.project-card-header{margin-bottom:20px}.project-corp-period{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.project-corp{font-size:.85rem;font-weight:700;color:var(--color-cp-blue);background-color:var(--color-cp-blue-light);padding:4px 8px;border-radius:4px}.project-period{font-size:.8rem;color:var(--text-sub)}.project-title{font-size:1.25rem;font-weight:800;line-height:1.4;color:var(--text-main);letter-spacing:-.5px;margin-top:10px}.project-card-body{flex-grow:1;margin-bottom:24px}.project-summary-list{display:flex;flex-direction:column;gap:12px;padding-left:0}.project-summary-list li{position:relative;padding-left:16px;font-size:.92rem;line-height:1.6;color:var(--text-sub)}.project-summary-list li:before{content:"•";position:absolute;left:4px;color:var(--color-cp-blue);font-weight:700}.project-card-footer{display:flex;align-items:center}.btn-detail-link{display:inline-flex;align-items:center;gap:6px;font-size:.92rem;font-weight:700;color:var(--color-cp-blue);transition:color .2s ease,gap .2s ease;padding:0;background:none;border:none;cursor:pointer}.btn-detail-link:hover{color:var(--color-cp-blue-hover);gap:10px}.btn-detail-link .arrow{transition:transform .2s ease}}@layer components{.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000073;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:2000;display:flex;justify-content:center;align-items:center;padding:20px;animation:fadeInOverlay .25s ease-out forwards}.modal-container{background-color:var(--color-light-bg);border-radius:16px;width:100%;max-width:1100px;height:auto;max-height:90vh;box-shadow:0 20px 50px #00000026;position:relative;display:flex;flex-direction:column;padding:40px;overflow:hidden;animation:slideUpModal .3s cubic-bezier(.16,1,.3,1) forwards}@media (max-width: 991px){.modal-container{overflow-y:auto}}@media (min-width: 992px){.modal-container{height:80vh;min-height:650px}}.modal-close-btn{position:absolute;top:25px;right:25px;width:40px;height:40px;border-radius:50%;background-color:var(--color-light-bg-alt);border:1px solid var(--color-light-border);display:flex;justify-content:center;align-items:center;color:var(--color-light-text-main);transition:all .2s ease;cursor:pointer;z-index:10}.modal-close-btn:hover{background-color:var(--color-light-border);transform:rotate(90deg)}.modal-header{margin-bottom:30px;border-bottom:1px solid var(--color-light-border);padding-bottom:20px}.modal-corp-period{display:flex;align-items:center;gap:12px;margin-bottom:8px}.modal-corp{font-size:.9rem;font-weight:800;color:var(--color-cp-blue);background-color:var(--color-cp-blue-light);padding:4px 10px;border-radius:4px;letter-spacing:-.3px}.modal-period{font-size:.85rem;color:var(--color-light-text-sub)}.modal-title{font-size:1.8rem;font-weight:800;color:var(--color-light-text-main);letter-spacing:-.5px}.modal-content{display:flex;flex-direction:column;gap:40px;overflow:visible}@media (min-width: 992px){.modal-content{flex-direction:row;flex:1;min-height:0;overflow:hidden}}.modal-section-title{font-size:1.2rem;font-weight:800;color:var(--color-light-text-main);margin-bottom:20px;position:relative;padding-left:12px}.modal-section-title:before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;background-color:var(--color-cp-blue);border-radius:2px}.modal-left{display:flex;flex-direction:column}@media (min-width: 992px){.modal-left{flex:1.2;min-width:0}}.modal-cards{display:flex;flex-direction:column;gap:16px}.modal-card{border-radius:12px;padding:20px 24px 20px 28px;border:1px solid transparent;position:relative;box-shadow:0 2px 8px #00000005;transition:transform .2s ease}.modal-card:hover{transform:translate(4px)}.modal-card.problem{background-color:#fff5f5;border-color:#ffe3e3;border-left:4px solid var(--color-cp-red)}.modal-card.action{background-color:#f0f7ff;border-color:#e1efff;border-left:4px solid var(--color-cp-blue)}.modal-card.result{background-color:#f0fdf4;border-color:#dcfce7;border-left:4px solid #0F834F}.card-badge{position:absolute;top:18px;right:24px;font-size:.75rem;font-weight:800;padding:3px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px}.problem .card-badge{background-color:#ffecec;color:var(--color-cp-red)}.action .card-badge{background-color:#e6f2ff;color:var(--color-cp-blue)}.result .card-badge{background-color:#e6fbf0;color:#0f834f}.card-title{font-size:1rem;font-weight:700;margin-bottom:8px}.problem .card-title{color:var(--color-cp-red)}.action .card-title{color:var(--color-cp-blue)}.result .card-title{color:#0f834f}.card-text{font-size:.92rem;line-height:1.6;color:var(--color-light-text-sub);font-weight:500}.modal-right{display:flex;flex-direction:column;height:100%}@media (min-width: 992px){.modal-right{flex:1;min-width:0}}.detail-paragraphs-scroll{display:flex;flex-direction:column;gap:16px;flex:1;min-height:0}@media (min-width: 992px){.detail-paragraphs-scroll{overflow-y:auto;padding-right:15px;scrollbar-width:thin;scrollbar-color:var(--color-light-border) transparent}.detail-paragraphs-scroll::-webkit-scrollbar{width:6px}.detail-paragraphs-scroll::-webkit-scrollbar-track{background:transparent}.detail-paragraphs-scroll::-webkit-scrollbar-thumb{background-color:var(--color-light-border);border-radius:10px}}.detail-paragraph{font-size:.96rem;line-height:1.8;color:var(--color-light-text-sub);white-space:pre-wrap;margin-bottom:8px}@keyframes fadeInOverlay{0%{opacity:0}to{opacity:1}}@keyframes slideUpModal{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}}@layer components{.edu-grid{display:grid;grid-template-columns:1fr;gap:20px;max-width:850px;margin-inline:auto}.edu-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:25px 30px;display:flex;flex-direction:column;gap:10px;box-shadow:0 4px 10px var(--card-shadow)}@media (min-width: 576px){.edu-card{flex-direction:row;gap:40px;align-items:center}}.edu-period{font-size:.9rem;font-weight:700;color:var(--color-cp-blue);white-space:nowrap;width:140px}.edu-info{display:flex;flex-direction:column;gap:4px}.edu-info h3{font-size:1.15rem;font-weight:700}.edu-info p{color:var(--text-sub);font-size:.95rem}.edu-detail{font-size:.85rem!important;color:var(--text-sub);margin-top:4px;border-top:1px dashed var(--border-color);padding-top:6px}}@layer components{#contact{background-color:#0f172a;color:#fff;padding-top:80px;padding-bottom:40px}.footer-cta{text-align:center;max-width:800px;margin-inline:auto;border-bottom:1px solid #1E293B;padding-bottom:60px;margin-bottom:40px;display:flex;flex-direction:column;gap:20px}.footer-cta h2{font-size:clamp(1.5rem,1.2rem + 1.5vw,2.2rem);font-weight:800;line-height:1.3;text-wrap:balance}.footer-cta p{font-size:1.05rem;color:#94a3b8}.cta-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:15px;margin-top:15px}.btn-outline-white{border:1px solid rgba(255,255,255,.3);background-color:transparent;color:#fff}.btn-outline-white:hover{background-color:#ffffff1a;border-color:#fff}.footer-bottom{display:flex;flex-direction:column;gap:20px;align-items:center;font-size:.85rem;color:#64748b}@media (min-width: 768px){.footer-bottom{flex-direction:row;justify-content:space-between}}.footer-contact-info{display:flex;gap:20px}.footer-contact-info span{display:flex;align-items:center;gap:8px}.footer-icon{width:14px;height:14px;color:var(--color-cp-blue);display:inline-flex;align-items:center}}