:root{--bg-dark: #060810;--bg-secondary: #0d1018;--text-primary: #ffffff;--text-secondary: #8b9dc3;--accent-blue: #3b82f6;--accent-blue-light: #60a5fa;--border-color: rgba(59, 130, 246, .15);--card-bg: transparent;--card-bg-hover: rgba(17, 17, 24, .15);--card-border: rgba(255, 255, 255, .1);--shadow-glow: rgba(59, 130, 246, .1);--divider: rgba(255, 255, 255, .06);--text-muted: rgba(255, 255, 255, .25);--text-body: rgba(255, 255, 255, .7);--text-sub: rgba(255, 255, 255, .5);--badge-bg: rgba(255, 255, 255, .1);--badge-border: rgba(255, 255, 255, .2);--btn-border: rgba(255, 255, 255, .5)}[data-theme=light]{--bg-dark: #f0f5fa;--bg-secondary: #e8eef5;--text-primary: #1a1a2e;--text-secondary: #4a5568;--accent-blue: #2563eb;--accent-blue-light: #3b82f6;--border-color: rgba(37, 99, 235, .15);--card-bg: transparent;--card-bg-hover: rgba(255, 255, 255, .2);--card-border: rgba(37, 99, 235, .12);--shadow-glow: rgba(37, 99, 235, .08);--divider: rgba(37, 99, 235, .15);--text-muted: rgba(26, 26, 46, .45);--text-body: rgba(26, 26, 46, .75);--text-sub: rgba(26, 26, 46, .55);--badge-bg: rgba(37, 99, 235, .08);--badge-border: rgba(37, 99, 235, .2);--btn-border: rgba(37, 99, 235, .4)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text-primary);background:var(--bg-dark);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;overflow-x:hidden;min-height:100vh;position:relative;transition:background .5s ease,color .5s ease}body:before{position:fixed;inset:0;z-index:-1;pointer-events:none;content:"";background:radial-gradient(ellipse 120% 80% at 50% -10%,rgba(20,60,180,.35) 0%,transparent 60%),radial-gradient(ellipse 80% 60% at 10% 80%,rgba(25,70,190,.25) 0%,transparent 55%),radial-gradient(ellipse 70% 50% at 90% 40%,rgba(35,90,210,.2) 0%,transparent 50%),radial-gradient(ellipse 50% 40% at 40% 60%,rgba(15,50,140,.15) 0%,transparent 50%);animation:causticsDrift 18s ease-in-out infinite alternate;transition:background .5s ease}[data-theme=light] body:before{background:radial-gradient(ellipse 120% 80% at 50% -10%,rgba(59,130,246,.12) 0%,transparent 60%),radial-gradient(ellipse 80% 60% at 10% 80%,rgba(96,165,250,.1) 0%,transparent 55%),radial-gradient(ellipse 70% 50% at 90% 40%,rgba(37,99,235,.08) 0%,transparent 50%)}@keyframes causticsDrift{0%{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.03)}to{opacity:.8;transform:scale(1)}}body:after{position:fixed;inset:0;z-index:-2;pointer-events:none;content:"";background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='120' viewBox='0 0 400 120'%3E%3Cpath d='M0 60 Q50 20 100 60 T200 60 T300 60 T400 60' fill='none' stroke='rgba(60,130,250,0.07)' stroke-width='1'/%3E%3Cpath d='M0 80 Q50 50 100 80 T200 80 T300 80 T400 80' fill='none' stroke='rgba(60,130,250,0.05)' stroke-width='1'/%3E%3Cpath d='M0 40 Q50 10 100 40 T200 40 T300 40 T400 40' fill='none' stroke='rgba(60,130,250,0.04)' stroke-width='1'/%3E%3C/svg%3E"),linear-gradient(rgba(60,130,250,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(60,130,250,.04) 1px,transparent 1px);background-size:400px 120px,80px 80px,80px 80px;animation:gridFloat 60s linear infinite}[data-theme=light] body:after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='120' viewBox='0 0 400 120'%3E%3Cpath d='M0 60 Q50 20 100 60 T200 60 T300 60 T400 60' fill='none' stroke='rgba(37,99,235,0.08)' stroke-width='1'/%3E%3Cpath d='M0 80 Q50 50 100 80 T200 80 T300 80 T400 80' fill='none' stroke='rgba(37,99,235,0.06)' stroke-width='1'/%3E%3Cpath d='M0 40 Q50 10 100 40 T200 40 T300 40 T400 40' fill='none' stroke='rgba(37,99,235,0.05)' stroke-width='1'/%3E%3C/svg%3E"),linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px)}@keyframes gridFloat{0%{transform:translate(0)}to{transform:translate(50px,50px)}}a{color:inherit;text-decoration:none;transition:all .4s cubic-bezier(.25,.46,.45,.94)}a:hover{opacity:.8}h1,h2,h3,p{margin:0}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:center;gap:60px;padding:24px 48px;background:linear-gradient(to bottom,var(--bg-dark),transparent);backdrop-filter:blur(20px);transition:all .5s ease}.brand{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;transition:all .4s cubic-bezier(.25,.46,.45,.94)}.brand:hover{text-shadow:0 0 30px rgba(96,165,250,.5)}.site-nav{display:flex;align-items:center;gap:4px}.nav-link{background:transparent;border:none;color:var(--text-secondary);font-size:1.05rem;font-weight:300;padding:10px 14px;cursor:pointer;transition:all .4s cubic-bezier(.25,.46,.45,.94);border-radius:6px;position:relative;text-decoration:none}.nav-link:hover,.nav-link.is-active{color:var(--text-primary)}.nav-link.is-active:after{content:"";position:absolute;bottom:4px;left:50%;transform:translate(-50%);width:40%;height:2px;background:var(--accent-blue);animation:activeLine .6s cubic-bezier(.25,.46,.45,.94)}@keyframes activeLine{0%{width:0%}to{width:40%}}.theme-toggle{position:absolute;right:48px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border-color);border-radius:8px;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .3s ease}.theme-toggle:hover{border-color:var(--accent-blue);color:var(--accent-blue-light);box-shadow:0 0 20px var(--shadow-glow)}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon,[data-theme=light] .theme-toggle .icon-sun{display:block}[data-theme=light] .theme-toggle .icon-moon{display:none}.lang-toggle{border:1px solid var(--border-color);font-weight:600;font-size:.95rem}.lang-toggle:hover{border-color:var(--accent-blue);color:var(--accent-blue-light);box-shadow:0 0 20px var(--shadow-glow)}.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:120px 24px 80px;text-align:center;z-index:1;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(96,165,250,.15);opacity:.6}.hero:before{top:140px;left:80px;border-right:none;border-bottom:none;animation:cornerPulse 8s ease-in-out infinite}.hero:after{top:140px;right:80px;border-left:none;border-bottom:none;animation:cornerPulse 8s ease-in-out infinite 4s}@keyframes cornerPulse{0%,to{opacity:.3;transform:scale(1)}50%{opacity:.6;transform:scale(1.05)}}.typewriter-container{max-width:900px;margin-bottom:60px}.typewriter{font-size:clamp(1.1rem,2vw,1.5rem);color:var(--text-secondary);line-height:1.8;font-weight:300;letter-spacing:.02em}.typewriter .cursor{display:inline-block;width:2px;height:1.2em;background:var(--accent-blue);margin-left:4px;animation:blink 2s step-end infinite;vertical-align:text-bottom}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.scroll-button{display:inline-flex;align-items:center;gap:12px;padding:14px 32px;border:1px solid var(--border-color);border-radius:999px;background:#0a0a0f80;backdrop-filter:blur(10px);color:var(--text-secondary);font-family:Courier New,monospace;font-size:.85rem;cursor:pointer;transition:all .6s cubic-bezier(.25,.46,.45,.94);letter-spacing:.05em}.scroll-button:hover{border-color:var(--accent-blue);color:var(--accent-blue-light);background:#3b82f60d;box-shadow:0 0 40px #3b82f626;transform:translateY(-2px)}.scroll-button .arrow{display:inline-block;animation:bounceArrow 2.5s ease-in-out infinite;font-weight:700}@keyframes bounceArrow{0%,to{transform:translateY(0);opacity:.7}50%{transform:translateY(4px);opacity:1}}.scroll-indicator{position:absolute;bottom:40px;left:50%;transform:translate(-50%);color:var(--accent-blue);font-size:1.5rem;animation:bounce 3s ease-in-out infinite;opacity:.6}@keyframes bounce{0%,to{transform:translate(-50%) translateY(0);opacity:.4}50%{transform:translate(-50%) translateY(12px);opacity:.8}}.decorative-circle{position:absolute;border:1px solid rgba(255,255,255,.06);border-radius:50%;pointer-events:none;animation:circleRotate 120s linear infinite}@keyframes circleRotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}section{position:relative;z-index:1;padding:120px 48px}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.section-subtitle{color:var(--text-secondary);font-size:1.1rem;margin-bottom:48px;font-weight:300}.content-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px}.content-card{padding:36px;border:1px solid var(--card-border);border-radius:12px;background:var(--card-bg);backdrop-filter:blur(10px);transition:all .6s cubic-bezier(.25,.46,.45,.94)}.content-card:hover{border-color:#3b82f6;background:var(--card-bg-hover);box-shadow:0 0 12px #3b82f680,0 0 40px #3b82f640,0 0 80px #0006;transform:translateY(-8px)}.content-card h3{font-size:1.4rem;margin-bottom:12px;font-weight:600}.content-card p{color:var(--text-secondary);line-height:1.8;font-weight:300}.site-footer{position:relative;z-index:1;padding:80px 48px;border-top:1px solid var(--border-color);background:linear-gradient(to top,var(--bg-dark),transparent)}.footer-connect-row{display:flex;justify-content:center;align-items:center;gap:32px}.footer-icon-link{display:flex;align-items:center;justify-content:center;width:48px;height:48px;color:var(--text-muted);border:1px solid var(--card-border);cursor:pointer;transition:all .4s cubic-bezier(.25,.46,.45,.94);position:relative}.footer-icon-link:hover{color:var(--text-primary);border-color:var(--accent-blue);box-shadow:0 0 25px var(--shadow-glow)}.footer-icon-link svg{display:block}.qr-trigger{position:relative}.qr-popup{position:absolute;bottom:calc(100% + 16px);left:50%;transform:translate(-50%) scale(.9);opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.25,.46,.45,.94);z-index:10}.qr-trigger:hover .qr-popup{opacity:1;transform:translate(-50%) scale(1);pointer-events:auto}.qr-popup img{width:140px;height:140px;object-fit:cover;display:block;border:1px solid rgba(255,255,255,.12)}@media(max-width:1024px){.site-header{padding:20px 24px}.nav-right{gap:16px}.site-nav{display:none}.hero:before,.hero:after{display:none}section{padding:80px 24px}.site-footer{padding:60px 24px}.footer-connect-row{gap:20px}}@media(max-width:768px){.brand{font-size:1.4rem}.typewriter{font-size:1rem}.section-title{font-size:2rem}.content-card{padding:28px}}