@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Noto+Sans+KR:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Sans+Devanagari:wght@400;500;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700&display=swap";:root{--bg-primary: rgba(255, 255, 255, .96);--bg-secondary: rgba(248, 250, 252, .94);--bg-tertiary: rgba(241, 245, 249, .96);--bg-surface: rgba(226, 232, 240, .96);--text-primary: #111827;--text-secondary: #475569;--text-muted: #6b7280;--border-color: rgba(226, 232, 240, .9);--accent-primary: #2563eb;--accent-secondary: #1d4ed8;--accent-light: #60a5fa;--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 -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px}[data-theme=dark]{--bg-primary: rgba(10, 10, 10, .94);--bg-secondary: rgba(17, 17, 19, .92);--bg-tertiary: rgba(32, 32, 35, .94);--bg-surface: rgba(39, 39, 42, .94);--text-primary: #ffffff;--text-secondary: #d4d4d8;--text-muted: #a1a1aa;--border-color: rgba(39, 39, 42, .9);--accent-primary: #2563eb;--accent-secondary: #1d4ed8;--accent-light: #60a5fa}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}.flow-canvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;pointer-events:none}header,main,footer{position:relative;z-index:1}html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-tap-highlight-color:transparent}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:#fff;color:var(--text-primary);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}:global([data-theme=dark]) body{background:#0a0a0a}body[data-lang=ko]{font-family:Noto Sans KR,Inter,-apple-system,BlinkMacSystemFont,sans-serif}body[data-lang=ja]{font-family:Noto Sans JP,Inter,-apple-system,BlinkMacSystemFont,sans-serif}body[data-lang=zh]{font-family:Noto Sans SC,Inter,-apple-system,BlinkMacSystemFont,sans-serif}body[data-lang=hi]{font-family:Noto Sans Devanagari,Inter,-apple-system,BlinkMacSystemFont,sans-serif}body[data-lang=ar]{font-family:Noto Sans Arabic,Inter,-apple-system,BlinkMacSystemFont,sans-serif}.libre-brand{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-weight:400;letter-spacing:-.01em}.libre-brand strong,.libre-brand b{font-weight:700}.container{max-width:1200px;margin:0 auto;padding:0 24px}.skip-link{position:absolute;top:-40px;left:8px;background:var(--accent-primary);color:#fff;padding:8px 16px;border-radius:var(--radius-sm);z-index:10000;font-weight:600;transition:top .2s;text-decoration:none}.skip-link:focus{top:8px}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius-md);font-weight:600;font-size:1rem;text-decoration:none;transition:background .2s,color .2s,border-color .2s;cursor:pointer;border:none}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-secondary)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-tertiary);border-color:var(--accent-primary)}.btn-large{padding:18px 36px;font-size:1.1rem}.section-header{text-align:center;margin-bottom:60px}.section-header h2{font-size:clamp(1.75rem,3.5vw,2.25rem);font-weight:600;margin-bottom:16px}.section-header p{font-size:1.125rem;color:var(--text-secondary)}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}::selection{background:var(--accent-primary);color:#fff}@media(max-width:768px){.section-header h2{font-size:1.75rem}}.librebot-fab svg,.librebot-send svg,.librebot-avatar svg{stroke:none!important;fill:#fff!important}header[data-astro-cid-3ef6ksr2]{position:fixed;top:0;left:0;right:0;background:color-mix(in srgb,var(--bg-primary) 88%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:1000}nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:64px}.logo[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);font-size:1.25rem}.logo-switcher[data-astro-cid-3ef6ksr2]{position:relative;display:flex;align-items:center}.logo-chevron[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;background:none;border:none;padding:4px;margin-left:2px;cursor:pointer;color:var(--text-muted);border-radius:var(--radius-sm);transition:all .2s}.logo-chevron[data-astro-cid-3ef6ksr2]:hover{color:var(--text-primary)}.logo-switcher[data-astro-cid-3ef6ksr2].open .logo-chevron[data-astro-cid-3ef6ksr2]{transform:rotate(180deg)}.logo-dropdown[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + 8px);left:0;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:240px;padding:6px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s;z-index:100}.logo-switcher[data-astro-cid-3ef6ksr2].open .logo-dropdown[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:translateY(0)}.logo-option[data-astro-cid-3ef6ksr2]{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text-primary);font-size:.95rem;transition:background .15s}.logo-option[data-astro-cid-3ef6ksr2]:hover{background:var(--bg-tertiary)}.logo-option-name[data-astro-cid-3ef6ksr2]{white-space:nowrap}.logo-option-desc[data-astro-cid-3ef6ksr2]{color:var(--text-muted);font-size:.8rem;font-weight:400}.logo-option[data-astro-cid-3ef6ksr2].active{color:var(--accent-primary)}.nav-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:16px}.nav-links[data-astro-cid-3ef6ksr2]{display:flex;list-style:none;gap:24px}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{text-decoration:none;color:var(--text-secondary);font-weight:500;font-size:.9rem;transition:color .2s}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--accent-primary)}.lang-switcher[data-astro-cid-3ef6ksr2]{position:relative}.lang-toggle[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:6px;background:var(--bg-tertiary);border:none;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);font-weight:500;font-size:.85rem;transition:all .2s}.lang-toggle[data-astro-cid-3ef6ksr2]:hover{background:var(--border-color);color:var(--text-primary)}.lang-toggle[data-astro-cid-3ef6ksr2] svg[data-astro-cid-3ef6ksr2]{flex-shrink:0}.lang-code[data-astro-cid-3ef6ksr2]{font-family:JetBrains Mono,monospace}.lang-dropdown[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:160px;max-height:320px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s;z-index:100}.lang-dropdown[data-astro-cid-3ef6ksr2]::-webkit-scrollbar{width:6px}.lang-dropdown[data-astro-cid-3ef6ksr2]::-webkit-scrollbar-track{background:transparent}.lang-dropdown[data-astro-cid-3ef6ksr2]::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.lang-dropdown[data-astro-cid-3ef6ksr2]::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.lang-switcher[data-astro-cid-3ef6ksr2].open .lang-dropdown[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:translateY(0)}.lang-option[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;text-decoration:none;color:var(--text-secondary);font-size:.9rem;transition:all .15s}.lang-option[data-astro-cid-3ef6ksr2]:hover{background:var(--bg-tertiary);color:var(--text-primary)}.lang-option[data-astro-cid-3ef6ksr2].active{color:var(--accent-primary);font-weight:500}.lang-option[data-astro-cid-3ef6ksr2] svg[data-astro-cid-3ef6ksr2]{color:var(--accent-primary)}.theme-toggle[data-astro-cid-3ef6ksr2]{background:var(--bg-tertiary);border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:background .2s}.theme-toggle[data-astro-cid-3ef6ksr2]:hover{background:var(--border-color);color:var(--text-primary)}.theme-icon-sun[data-astro-cid-3ef6ksr2]{display:block}.theme-icon-moon[data-astro-cid-3ef6ksr2],body[data-theme=dark] .theme-icon-sun[data-astro-cid-3ef6ksr2]{display:none}body[data-theme=dark] .theme-icon-moon[data-astro-cid-3ef6ksr2]{display:block}.mobile-menu-toggle[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:background .2s}.mobile-menu-toggle[data-astro-cid-3ef6ksr2]:hover{background:var(--bg-tertiary)}.hamburger-line[data-astro-cid-3ef6ksr2]{width:24px;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease}@media(max-width:768px){.nav-links[data-astro-cid-3ef6ksr2]{display:flex;position:fixed;top:64px;left:16px;right:16px;flex-direction:column;gap:0;padding:10px;background:color-mix(in srgb,var(--bg-primary) 96%,transparent);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transform:translateY(-10px) scale(.98);transition:opacity .18s ease,transform .18s ease;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.nav-links[data-astro-cid-3ef6ksr2].mobile-open{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.nav-links[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{width:100%}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:12px 14px;border-radius:var(--radius-sm);font-size:.95rem}.nav-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{background:var(--bg-tertiary)}.mobile-menu-toggle[data-astro-cid-3ef6ksr2]{display:flex}.mobile-menu-toggle[data-astro-cid-3ef6ksr2].active .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(1){transform:translateY(7px) rotate(45deg)}.mobile-menu-toggle[data-astro-cid-3ef6ksr2].active .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(2){opacity:0}.mobile-menu-toggle[data-astro-cid-3ef6ksr2].active .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.lang-toggle[data-astro-cid-3ef6ksr2] .lang-code[data-astro-cid-3ef6ksr2]{display:none}.lang-toggle[data-astro-cid-3ef6ksr2]{padding:8px}}footer[data-astro-cid-sz7xmlte]{padding:80px 0 40px;border-top:1px solid var(--border-color);background:var(--bg-primary)}.footer-content[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;gap:60px;margin-bottom:60px}.footer-brand[data-astro-cid-sz7xmlte]{max-width:300px}.footer-logo[data-astro-cid-sz7xmlte]{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:1.25rem}.footer-tagline[data-astro-cid-sz7xmlte]{color:var(--text-muted)}.footer-links-grid[data-astro-cid-sz7xmlte]{display:flex;gap:80px}.footer-column[data-astro-cid-sz7xmlte] h4[data-astro-cid-sz7xmlte]{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:16px}.footer-column[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none}.footer-column[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin-bottom:12px}.footer-column[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--text-secondary);text-decoration:none;transition:color 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a[data-astro-cid-sz7xmlte]:hover{text-decoration:underline}@media(max-width:768px){.footer-content[data-astro-cid-sz7xmlte]{flex-direction:column;gap:40px}.footer-links-grid[data-astro-cid-sz7xmlte]{flex-wrap:wrap;gap:40px}}