@import"https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;600;700&display=swap";:root{--bg: #f8fafc;--surface: #ffffff;--text-main: #1e293b;--text-sub: #64748b;--primary: #6366f1;--primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);--secondary-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);--border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -1px rgb(0 0 0 / .06);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -2px rgb(0 0 0 / .05);--shadow-primary: 0 10px 25px -5px rgba(99, 102, 241, .4)}[data-theme=dark]{--bg: #0f172a;--surface: #1e293b;--text-main: #f1f5f9;--text-sub: #94a3b8;--primary: #818cf8;--primary-gradient: linear-gradient(135deg, #818cf8 0%, #c084fc 100%);--border: #334155;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .3);--shadow-primary: 0 10px 25px -5px rgba(129, 140, 248, .3)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding:0;background:var(--bg);color:var(--text-main);font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,Helvetica Neue,Segoe UI,Apple SD Gothic Neo,Noto Sans KR,Malgun Gothic,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s;overflow-x:hidden}body:before{content:"";position:fixed;top:-20%;right:-10%;width:600px;height:600px;background:var(--primary-gradient);filter:blur(120px);opacity:.15;z-index:-1;border-radius:50%;pointer-events:none}body:after{content:"";position:fixed;bottom:-20%;left:-10%;width:500px;height:500px;background:var(--secondary-gradient);filter:blur(120px);opacity:.15;z-index:-1;border-radius:50%;pointer-events:none}img{max-width:100%;display:block}a{color:inherit;text-decoration:none;transition:color .2s}.site-header{position:sticky;display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:rgba(var(--bg),.7);background:color-mix(in oklab,var(--bg) 80%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:100;max-width:1200px;margin:0 auto;width:100%;border-radius:0 0 16px 16px;top:10px}@media(max-width:768px){.site-header{top:0;border-radius:0;padding:1rem}}.logo{font-weight:800;font-size:1.25rem;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.site-nav{display:flex;align-items:center;gap:24px}.site-nav a{font-weight:500;color:var(--text-sub);font-size:.95rem}.site-nav a:hover{color:var(--primary)}.theme-toggle{border:1px solid var(--border);background:var(--surface);color:var(--text-main);border-radius:999px;width:36px;height:36px;padding:0;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.theme-toggle:hover{transform:rotate(15deg);border-color:var(--primary)}main{max-width:1000px;margin:0 auto;padding:0 20px}.hero{padding:140px 0 100px;text-align:center;animation:fadeIn .8s ease-out}.hero h1{margin:0 0 16px;font-size:clamp(2.5rem,5vw,4rem);font-weight:800;letter-spacing:-.03em;line-height:1.1}.hero h1 strong{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{margin:0 auto 32px;color:var(--text-sub);font-size:1.2rem;max-width:600px;word-break:keep-all}.cta{display:inline-flex;gap:16px;justify-content:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:999px;font-weight:600;font-size:1rem;transition:all .2s cubic-bezier(.4,0,.2,1);cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text-main)}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn.primary{background:var(--primary-gradient);color:#fff;border:none;box-shadow:var(--shadow-primary)}.btn.primary:hover{filter:brightness(1.1);box-shadow:0 15px 30px -5px #6366f180}.section{padding:100px 0}.section h2{font-size:2rem;font-weight:700;margin-bottom:40px;letter-spacing:-.02em;display:flex;align-items:center;gap:12px}.section h2:after{content:"";flex:1;height:1px;background:var(--border);opacity:.5}.skills{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0}.skills li{border:1px solid var(--border);border-radius:12px;padding:10px 18px;background:var(--surface);color:var(--text-main);font-weight:500;font-size:.95rem;transition:all .2s;box-shadow:var(--shadow-sm)}.skills li:hover{border-color:var(--primary);transform:translateY(-3px);color:var(--primary)}.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.card{border:1px solid var(--border);border-radius:20px;padding:28px;background:var(--surface);transition:all .3s ease;display:flex;flex-direction:column;height:100%;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--primary-gradient);opacity:0;transition:opacity .3s}.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}.card:hover:before{opacity:1}.card h3{margin:0 0 12px;font-size:1.35rem;font-weight:700}.card p{color:var(--text-sub);margin-bottom:24px;flex-grow:1;font-size:.95rem}.card-link{margin-top:auto;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}.card-link:after{content:"→";transition:transform .2s}.card-link:hover:after{transform:translate(4px)}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:var(--surface);padding:40px;border-radius:24px;border:1px solid var(--border);box-shadow:var(--shadow-lg)}.contact-form label{display:grid;gap:8px;font-weight:600;font-size:.9rem;color:var(--text-main)}.contact-form input,.contact-form textarea{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--bg);color:var(--text-main);font-family:inherit;transition:all .2s;font-size:1rem}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.contact-form button{grid-column:1 / -1;justify-self:start;margin-top:10px;width:100%}@media(max-width:640px){.contact-form{grid-template-columns:1fr;padding:24px}.hero h1{font-size:2.5rem}}.site-footer{margin-top:80px;padding:40px 20px;text-align:center;color:var(--text-sub);font-size:.9rem;border-top:1px solid var(--border);background:var(--surface)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}