:root{--bg: #f3f5f8;--fg: rgba(12, 18, 28, .92);--muted: rgba(12, 18, 28, .6);--accent: #22b8c5;--accent-strong: #16a6b3;--accent-rgb: 34, 184, 197;--accent-2-rgb: 120, 210, 255;--header-height: 72px;--max-width: 1100px}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Segoe UI Variable,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,Noto Sans,sans-serif;color:var(--fg);background:var(--bg);line-height:1.6;letter-spacing:.01em;font-feature-settings:"kern" 1,"liga" 1;text-rendering:optimizeLegibility}a{color:var(--muted);text-decoration:none;transition:color .2s ease,border-color .2s ease}a:hover,a:focus-visible{color:var(--fg)}a:focus-visible{outline:2px solid rgba(79,209,197,.6);outline-offset:2px;border-radius:6px}.bg-layer{position:fixed;inset:0;z-index:-3;overflow:hidden}.bg-gradient{position:absolute;inset:-20% -10% -10%;background:radial-gradient(circle at 20% 20%,rgba(34,184,197,.3),transparent 45%),radial-gradient(circle at 80% 10%,rgba(120,210,255,.28),transparent 45%),radial-gradient(circle at 40% 80%,rgba(90,140,190,.22),transparent 50%),linear-gradient(160deg,#f3f5f8f2,#ebf0f6e6);animation:drift 12s ease-in-out infinite alternate}#bg-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7}.bg-noise{position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.15'/%3E%3C/svg%3E");opacity:.05;mix-blend-mode:multiply;pointer-events:none}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);display:flex;align-items:center;background:transparent;border-bottom:none;z-index:10}.nav-inner{width:min(var(--max-width),100%);margin:0 auto;padding:0 6vw;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--fg)}.nav{display:flex;gap:20px}.nav a{font-size:.95rem;padding-bottom:2px;border-bottom:1px solid transparent}.nav a.active,.nav a:hover{color:var(--fg);border-color:#2fb9c38c}.page{width:min(var(--max-width),100%);margin:0 auto;padding:calc(var(--header-height) + 40px) 6vw 120px;min-height:calc(100vh - 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