:root{--bg: #0b0f17;--bg-soft: #0e1420;--surface: #141b2b;--surface-2: #1a2335;--border: #242e44;--text: #e7ecf6;--muted: #97a3bd;--accent: #4f9dff;--accent-2: #7c5cff;--radius: 14px;--container: 1080px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}p{margin:0 0 1em}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 8px 24px -10px #4f9dff99}.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px #4f9dffb3}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text);box-shadow:none}.btn-ghost:hover{border-color:var(--accent);box-shadow:none}.btn-sm{padding:8px 16px;font-size:.85rem}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:#0b0f17b8;border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.brand-dot{color:var(--accent)}.nav{display:flex;align-items:center;gap:22px}.nav a{color:var(--muted);font-size:.92rem;font-weight:500;transition:color .15s ease}.nav a:hover{color:var(--text)}.nav .btn{color:#fff}.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:100px 0 90px;overflow:hidden}.hero:before{content:"";position:absolute;inset:-10% 10% auto -10%;height:620px;background:radial-gradient(680px 440px at 28% 18%,rgba(124,92,255,.26),transparent 70%);pointer-events:none}.hero:after{content:"";position:absolute;inset:auto -10% -20% 30%;height:520px;background:radial-gradient(560px 360px at 70% 80%,rgba(79,157,255,.18),transparent 72%);pointer-events:none}.hero-inner{position:relative;z-index:1}.eyebrow{color:var(--accent);font-weight:600;font-size:.9rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}.hero-title{font-size:clamp(2.1rem,4.8vw,3.5rem);font-weight:800;max-width:20ch;line-height:1.14;background:linear-gradient(180deg,#fff,#b9c6e4);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-intro{color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.28rem);max-width:62ch;margin-top:22px}.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 20px}.hero-links{display:flex;gap:18px;list-style:none;padding:0;margin:0}.hero-links a{color:var(--muted);font-size:.92rem;border-bottom:1px solid transparent;transition:color .15s ease,border-color .15s ease}.hero-links a:hover{color:var(--text);border-color:var(--accent)}.section{padding:110px 0}.section-alt{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-title{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:700}.section-sub{color:var(--muted);font-size:1.05rem;margin-top:2px;margin-bottom:48px}.grid{display:grid;gap:20px}.grid-1{grid-template-columns:1fr}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:border-color .2s ease,transform .2s ease}.card:hover{border-color:var(--accent);transform:translateY(-3px)}.service-card h3{font-size:1.15rem}.service-card p{color:var(--muted);margin:0}.project-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.project-card h3{font-size:1.3rem}.period{color:var(--muted);font-size:.85rem;white-space:nowrap}.role{color:var(--accent);font-weight:600;font-size:.92rem;margin:0 0 12px}.summary{color:var(--text)}.highlights{margin:0 0 18px;padding-left:18px;color:var(--muted)}.highlights li{margin-bottom:8px}.stack{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}.stack li{font-size:.78rem;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:4px 11px}.project-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:16px}.project-link{display:inline-block;color:var(--accent);font-weight:600}.project-link:hover{text-decoration:underline}.confidential{color:var(--muted);font-size:.85rem;font-style:italic}.product-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.status{font-size:.72rem;color:#9ff5c6;background:#36d3991f;border:1px solid rgba(54,211,153,.3);border-radius:999px;padding:3px 10px;white-space:nowrap}.product-card p{color:var(--muted)}.about{display:grid;grid-template-columns:1.1fr 1fr;gap:40px}.about-text p{color:var(--muted)}.about-skills{display:grid;grid-template-columns:1fr 1fr;gap:22px}.skill-group h4{font-size:.95rem;margin-bottom:12px;color:var(--text)}.site-footer{padding:72px 0;text-align:center}.site-footer h2{font-size:clamp(1.6rem,4vw,2.4rem)}.site-footer p{color:var(--muted)}.footer-links{display:flex;justify-content:center;gap:20px;margin:24px 0}.footer-links a{color:var(--text);font-weight:600;border-bottom:1px solid var(--border);padding-bottom:2px}.footer-links a:hover{border-color:var(--accent)}.copy{font-size:.82rem;margin-top:28px}.detail{padding:40px 0 24px}.back-link{display:inline-block;color:var(--muted);font-size:.9rem;font-weight:500;margin:8px 0 28px;transition:color .15s ease}.back-link:hover{color:var(--accent)}.detail-hero{border-bottom:1px solid var(--border);padding-bottom:28px;margin-bottom:32px}.detail-title{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;max-width:24ch}.detail-tagline{color:var(--muted);font-size:1.08rem;max-width:70ch;margin-top:14px}.detail-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--accent);font-weight:600;font-size:.92rem;margin:8px 0 18px}.detail-meta .dot{color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;list-style:none;padding:0;margin:0 0 40px}.metrics li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;text-align:center}.metrics strong{display:block;font-size:1.35rem;font-weight:800;color:var(--text);background:linear-gradient(135deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.metrics span{display:block;margin-top:6px;color:var(--muted);font-size:.82rem}.detail-section{margin-bottom:48px}.detail-h2{font-size:clamp(1.3rem,2.4vw,1.7rem);font-weight:700;padding-bottom:12px;margin-bottom:22px;border-bottom:1px solid var(--border)}.lead{color:var(--muted);font-size:1.02rem;max-width:78ch}.flow{margin:0 0 26px;padding-left:22px;color:var(--text)}.flow li{margin-bottom:10px;padding-left:4px}.flow li::marker{color:var(--accent);font-weight:700}.detail-grid{gap:16px}.mini-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;transition:border-color .2s ease}.mini-card:hover{border-color:var(--accent)}.mini-card h3{font-size:1.02rem;margin-bottom:8px}.mini-card p{color:var(--muted);font-size:.92rem;margin:0}.stack-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.detail-highlights{margin:0;color:var(--text)}.detail-highlights li{margin-bottom:12px}.detail-note{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:10px;padding:16px 20px;color:var(--muted);font-size:.9rem;margin:8px 0 36px}@media(max-width:880px){.grid-3,.grid-2,.about{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.stack-groups{grid-template-columns:1fr}}@media(max-width:600px){.nav{gap:14px}.nav a:not(.btn){display:none}.about-skills{grid-template-columns:1fr}.hero{min-height:92svh}.metrics{grid-template-columns:repeat(2,1fr)}}.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s 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both;animation-timeline:scroll(root);animation-range:0 25vh}.hero:before{animation:blob-drift-a linear both;animation-timeline:scroll(root);animation-range:0 110vh}.hero:after{animation:blob-drift-b linear both;animation-timeline:scroll(root);animation-range:0 110vh}}}@keyframes hero-recede{to{opacity:0;transform:translateY(-46px) scale(.97)}}@keyframes cue-fade{to{opacity:0}}@keyframes blob-drift-a{to{transform:translateY(160px)}}@keyframes blob-drift-b{to{transform:translateY(-120px)}}@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1!important;transform:none!important;transition:none!important}.scroll-cue:after{animation:none}html{scroll-behavior:auto}}