:root{--dark-bg: #0a0a0f;--dark-surface: #151520;--dark-card: #1e1e2e;--dark-border: #2a2a3a;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--cool-blue: #3b82f6;--cool-indigo: #6366f1;--cool-purple: #8b5cf6;--cool-slate: #64748b;--cool-zinc: #71717a;--accent-blue: #60a5fa;--accent-indigo: #818cf8;--accent-purple: #a78bfa;--accent-teal: #5eead4;--accent-emerald: #6ee7b7;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-dark: #475569;--glow-subtle: 0 0 20px rgba(96, 165, 250, .2);--glow-blue: 0 0 25px rgba(96, 165, 250, .3);--glow-purple: 0 0 25px rgba(167, 139, 250, .3);--font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;--font-code: "JetBrains Mono", "SF Mono", Monaco, monospace;--font-cyber: "Orbitron", "Space Grotesk", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--space-4xl: 6rem;--space-5xl: 8rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-display);color:var(--text-primary);background:linear-gradient(135deg,var(--dark-bg) 0%,var(--dark-surface) 50%,var(--gray-900) 100%);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;min-height:100vh}p{word-break:keep-all}.landing-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:var(--space-lg) 0;background:#0a0a0ff2;backdrop-filter:blur(20px);border-bottom:1px solid var(--dark-border)}.header-container{max-width:1400px;margin:0 auto;padding:0 var(--space-xl);display:flex;justify-content:space-between;align-items:center}.logo{width:200px;height:auto}@media(max-width:768px){.header-container{padding:0 var(--space-lg)}}.language-dropdown{position:relative}.language-toggle{display:flex;align-items:center;gap:.5rem;padding:.6rem 1rem;background:#ffffff0d;border:1px solid rgba(255,255,255,.15);border-radius:8px;color:#ffffffe6;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .3s ease}.language-toggle:hover{background:#7c3aed26;border-color:#7c3aed66}.language-toggle i{font-size:.75rem;color:#fff9;transition:transform .3s ease}.language-dropdown.active .language-toggle i{transform:rotate(180deg)}.language-menu{position:absolute;top:calc(100% + .5rem);right:0;background:#0a0e1afa;backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:.5rem;min-width:120px;z-index:1000;box-shadow:0 10px 30px #00000080}.language-dropdown.active .language-menu{display:block}.lang-option{display:block;width:100%;padding:.6rem .8rem;background:transparent;border:none;color:#ffffffb3;font-size:.85rem;font-weight:500;text-align:left;cursor:pointer;border-radius:6px;transition:all .2s ease}.lang-option:hover{background:#7c3aed26;color:#fffffff2}.lang-option.active{background:linear-gradient(135deg,#7c3aed,#3b82f6);color:#fff}.nav-cta{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:linear-gradient(135deg,#7c3aed,#3b82f6);color:#fff;text-decoration:none;border-radius:50px;font-size:.9rem;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #7c3aed4d}.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 25px #7c3aed80}.nav-cta i{font-size:.85rem;transition:transform .3s ease}.nav-cta:hover i{transform:translate(3px)}@media screen and (max-width:1200px){.nav-cta{display:none}}.demo-preview{max-width:600px;margin:0 auto var(--space-3xl);position:relative}.mini-terminal{background:var(--dark-bg);border:1px solid var(--dark-border);border-radius:16px;padding:var(--space-xl);font-family:var(--font-code);box-shadow:var(--glow-subtle),0 10px 25px #0006;backdrop-filter:blur(10px)}.terminal-header{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--dark-border)}.terminal-dot{width:12px;height:12px;border-radius:50%}.terminal-dot.red{background:#ef4444}.terminal-dot.yellow{background:#f59e0b}.terminal-dot.green{background:#22c55e}.terminal-title{color:var(--text-muted);margin-left:auto;font-size:.8rem;font-weight:500}.terminal-content{color:var(--accent-blue);font-size:.85rem;line-height:1.8;height:338px;overflow-y:auto}.terminal-content::-webkit-scrollbar{width:8px;height:8px}.terminal-content::-webkit-scrollbar-track{background:transparent}.terminal-content::-webkit-scrollbar-thumb{background-color:#ffffff26;border-radius:6px}.terminal-content::-webkit-scrollbar-thumb:hover{background-color:#ffffff59}.terminal-line{margin-bottom:var(--space-xs)}.terminal-cursor{color:var(--text-primary);animation:blink 1s infinite}@media(max-width:768px){.terminal-line{word-break:keep-all;word-spacing:-2px;letter-spacing:-1px}html:lang(ja) .terminal-line{word-break:break-all}.mini-terminal{padding:var(--space-md)}}.cta-container{display:flex;flex-direction:column;justify-content:center;gap:.5rem;flex-wrap:wrap;padding:0 1rem}.cta-btns{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;padding:0 1rem}.cta-btns.disabled{opacity:.5;pointer-events:none}.cta-btn{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;padding:.9rem 2rem;border-radius:100px;font-size:.85rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);border:2px solid transparent}.cta-primary{background:#5865f226;color:#8b9ef6;border:1px solid rgba(88,101,242,.3)}.cta-primary:hover{background:#5865f240;border-color:#5865f280;transform:translateY(-2px)}.cta-secondary{background:#ffffff14;color:#fffc;border:1px solid rgba(255,255,255,.2)}.cta-secondary:hover{background:#ffffff26;border-color:#ffffff4d;color:#fff;transform:translateY(-2px)}.cta-btn i{font-size:1rem}.download-label{font-size:.85rem;color:#ffffff80;margin-bottom:1rem;font-weight:500;letter-spacing:.05em}.cta-secondary img{filter:none!important;opacity:.9}.cta-btn:focus-visible{outline:3px solid var(--accent-indigo);outline-offset:3px;box-shadow:var(--glow-purple),0 0 0 4px #818cf826}.cta-btn:active{transform:translateY(-1px) scale(.99)}.cta-btns-desktop{margin-top:2rem;display:none}@media(max-width:1200px){.cta-btns-desktop{display:block}}@media(max-width:768px){.cta-btn{width:100%}}.landing-footer{background:linear-gradient(135deg,var(--gray-900),var(--dark-bg));color:var(--text-primary);padding:var(--space-4xl) var(--space-xl) var(--space-xl);position:relative;overflow:hidden;border-top:1px solid 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h4{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-lg);text-transform:uppercase;letter-spacing:1px}.footer-links{list-style:none}.footer-links li{margin-bottom:var(--space-sm)}.footer-links a{color:var(--text-muted);text-decoration:none;font-size:.9rem;transition:color .3s ease}.footer-links a:hover{color:var(--accent-blue)}.footer-bottom{text-align:center;padding-top:var(--space-xl);border-top:1px solid var(--dark-border);font-size:.85rem;color:var(--text-muted)}@media(max-width:768px){.footer-main{grid-template-columns:1fr;gap:var(--space-xl)}}.blizzard-container{position:fixed;top:0;left:0;width:100vw;height:100vh;pointer-events:none;z-index:1;overflow:hidden}.neural-network{position:fixed;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(circle at 20% 20%,var(--accent-blue) 0px,transparent 2px),radial-gradient(circle at 80% 80%,var(--accent-indigo) 0px,transparent 2px),radial-gradient(circle at 40% 60%,var(--accent-purple) 0px,transparent 1px);background-size:60px 60px;opacity:.08;animation:neural-pulse 12s ease-in-out infinite;z-index:-1}.snowflake{position:absolute;color:var(--text-secondary);user-select:none;pointer-events:none;font-size:1rem;opacity:.4;animation:snowfall linear infinite;z-index:2}.ice-crystal{position:absolute;width:12px;height:12px;background:linear-gradient(45deg,var(--accent-blue),var(--accent-indigo));border-radius:2px;transform:rotate(45deg);opacity:.6;animation:float-crystal 18s infinite linear;box-shadow:var(--glow-subtle)}.hero-landing{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:var(--space-3xl) var(--space-lg);position:relative}@media(max-width:768px){.hero-landing{padding:var(--space-2xl) var(--space-md)}}.hero-landing:before{content:"";position:absolute;top:0;right:0;width:70%;height:100%;background:radial-gradient(circle at 30% 30%,rgba(96,165,250,.05) 0%,transparent 50%),radial-gradient(circle at 70% 70%,rgba(167,139,250,.05) 0%,transparent 50%),url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%2360a5fa' stroke-width='0.2' opacity='0.1'%3E%3Cpath d='M10 10 L90 90 M90 10 L10 90 M50 0 L50 100 M0 50 L100 50'/%3E%3Ccircle cx='20' cy='20' r='1'/%3E%3Ccircle cx='80' cy='80' r='1'/%3E%3Ccircle cx='80' cy='20' r='1'/%3E%3Ccircle cx='20' cy='80' r='1'/%3E%3C/g%3E%3C/svg%3E");background-size:200px 200px,150px 150px,120px 120px;animation:ai-grid-flow 30s linear infinite}.hero-container{max-width:1200px;position:relative;z-index:10;width:100%;padding:0 var(--space-lg)}.hero-badge{display:inline-flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-xl);background:#60a5fa1a;border:1px solid var(--dark-border);border-radius:50px;margin-bottom:var(--space-2xl);backdrop-filter:blur(10px);font-family:var(--font-code);font-size:.8rem;font-weight:600;color:var(--accent-blue);text-transform:uppercase;letter-spacing:1px}.hero-badge:before{content:"🧠";animation:brain-pulse 2s ease-in-out infinite}.hero-title{font-family:var(--font-cyber);font-size:clamp(2rem,7vw,6rem);font-weight:900;line-height:1;letter-spacing:-.02em;margin-bottom:var(--space-xl);margin-top:var(--space-3xl);background:linear-gradient(135deg,var(--accent-blue),var(--accent-indigo),var(--accent-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:ai-glow 6s ease-in-out infinite 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1.8rem;background:linear-gradient(135deg,#7c3aed,#3b82f6);border-radius:100px;font-size:.9rem;font-weight:700;color:#fff;margin-bottom:3rem;text-decoration:none;transition:all .35s cubic-bezier(.4,0,.2,1);box-shadow:0 6px 20px #7c3aed59}.hero-badge-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 10px 35px #7c3aed8c;background:linear-gradient(135deg,#6d28d9,#2563eb)}.hero-badge-btn i{font-size:.8rem;transition:transform .3s ease}.hero-badge-btn:hover i{transform:translate(3px)}@media(max-width:768px){.header-container{padding:0 var(--space-lg)}.hero-container{padding:0}.landing-footer{padding:var(--space-4xl) var(--space-lg) var(--space-xl)}.hero-landing{padding:var(--space-3xl) var(--space-md)}}@keyframes snowfall{0%{transform:translateY(-100vh) translate(0) rotate(0);opacity:0}10%{opacity:.8}90%{opacity:.8}to{transform:translateY(100vh) translate(100px) rotate(360deg);opacity:0}}@keyframes float-crystal{0%{transform:translateY(100vh) translate(0) rotate(0);opacity:0}10%{opacity:.7}90%{opacity:.7}to{transform:translateY(-100px) translate(50px) rotate(180deg);opacity:0}}@keyframes neural-pulse{0%,to{transform:scale(1);opacity:.05}50%{transform:scale(1.05);opacity:.08}}@keyframes ai-glow{0%{filter:brightness(1) saturate(1)}to{filter:brightness(1.3) saturate(1.5)}}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes brain-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}@keyframes ai-grid-flow{0%{transform:translate(0) translateY(0)}to{transform:translate(-30px) translateY(-30px)}}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}@media screen and (max-width:1200px){.hero-badge-btn{display:none}}