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var(--color-primary-glow);--shadow-card: 0 2px 8px rgba(0,0,0,.04);--shadow-nav: 0 1px 0 var(--color-border);--ease-out: cubic-bezier(.4, 0, .2, 1);--transition-fast: .15s var(--ease-out);--transition-base: .25s var(--ease-out);--transition-slow: .4s var(--ease-out);--nav-height: 64px;--content-max: 1120px;--content-wide: 1320px;--z-dropdown: 10;--z-sticky: 20;--z-nav: 30;--z-modal: 40;--z-chat: 50}[data-theme=dark]{--color-bg: #0c0d1a;--color-bg-alt: #12132a;--color-bg-card: #171836;--color-bg-elevated: #1d1e42;--color-text: #eaeaf0;--color-text-secondary: #a0a2be;--color-text-muted: #6568868;--color-border: #282a50;--color-border-light: #1e2044;--color-overlay: rgba(0,0,0,.7);--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 30px rgba(0,0,0,.5);--shadow-xl: 0 20px 40px rgba(0,0,0,.6);--shadow-card: 0 2px 8px rgba(0,0,0,.25);--shadow-nav: 0 1px 0 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var(--color-primary);outline-offset:2px}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-text-muted);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}.main-content{min-height:100vh;padding-top:var(--nav-height)}.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);z-index:var(--z-nav);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);background:#0c0d1abf;border-bottom:1px solid rgba(255,255,255,.06);transition:background var(--transition-base),box-shadow var(--transition-base)}[data-theme=light] .navbar{background:#f5f6facc;border-bottom-color:var(--color-border)}.navbar.scrolled{box-shadow:var(--shadow-md)}.navbar-inner{width:100%;max-width:var(--content-wide);padding:0 var(--space-6);display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:var(--space-3);font-weight:var(--fw-bold);font-size:var(--text-lg);letter-spacing:-.02em;flex-shrink:0}.nav-logo-img{width:36px;height:36px;border-radius:var(--radius-full);border:2px solid var(--color-primary);overflow:hidden}.nav-logo-img img{width:100%;height:100%;object-fit:cover}.nav-logo-text span{background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;align-items:center;gap:var(--space-1)}.nav-link{padding:var(--space-2) var(--space-3);font-size:var(--text-sm);font-weight:var(--fw-medium);color:var(--color-text-secondary);border-radius:var(--radius-md);transition:all var(--transition-fast);position:relative;white-space:nowrap}.nav-link:hover{color:var(--color-text);background:#7c6df014}.nav-link.active{color:var(--color-primary)}.nav-link.active:after{content:"";position:absolute;bottom:-2px;left:50%;transform:translate(-50%);width:16px;height:2px;background:var(--color-primary);border-radius:var(--radius-full)}.nav-controls{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.lang-switch{display:flex;align-items:center;background:#ffffff0f;border-radius:var(--radius-full);padding:2px}[data-theme=light] .lang-switch{background:#0000000a}.lang-btn{padding:4px 10px;border-radius:var(--radius-full);border:none;background:transparent;color:var(--color-text-muted);font-size:var(--text-xs);font-weight:var(--fw-semibold);cursor:pointer;transition:all var(--transition-fast)}.lang-btn.active{background:var(--color-primary);color:#fff}.lang-btn:hover:not(.active){color:var(--color-text)}.theme-toggle{width:34px;height:34px;border-radius:var(--radius-full);background:#ffffff0f;border:none;color:var(--color-text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);font-size:var(--text-base)}[data-theme=light] .theme-toggle{background:#0000000a}.theme-toggle:hover{color:var(--color-text);background:#7c6df01a}.mobile-menu-toggle{display:none;width:34px;height:34px;border-radius:var(--radius-md);background:transparent;border:none;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:6px}.mobile-menu-toggle span{display:block;width:20px;height:2px;background:var(--color-text);border-radius:var(--radius-full);transition:all var(--transition-base)}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}@media(max-width:768px){.mobile-menu-toggle{display:flex}.nav-links{position:absolute;top:var(--nav-height);left:0;right:0;background:var(--color-bg-card);border-bottom:1px solid var(--color-border);flex-direction:column;padding:var(--space-4);gap:var(--space-1);transform:translateY(-120%);opacity:0;transition:all var(--transition-slow);box-shadow:var(--shadow-lg)}.nav-links.open{transform:translateY(0);opacity:1}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px 24px;font-size:var(--text-sm);font-weight:var(--fw-semibold);border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 4px 14px var(--color-primary-glow)}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px var(--color-primary-glow)}.btn-outline{background:transparent;color:var(--color-text);border:1.5px solid var(--color-border)}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-2px)}.btn-sm{padding:6px 14px;font-size:var(--text-xs)}.btn-ghost{background:transparent;color:var(--color-text-secondary);padding:6px 12px}.btn-ghost:hover{color:var(--color-primary);background:#7c6df014}.section{padding:var(--space-20) var(--space-6);max-width:var(--content-max);margin:0 auto}.section-header{text-align:center;margin-bottom:var(--space-12)}.section-label{display:inline-block;font-size:var(--text-xs);font-weight:var(--fw-semibold);text-transform:uppercase;letter-spacing:.12em;color:var(--color-primary);margin-bottom:var(--space-3);padding:4px 14px;background:#7c6df014;border-radius:var(--radius-full)}.section-title{font-size:clamp(1.8rem,4vw,var(--text-4xl));font-weight:var(--fw-extrabold);letter-spacing:-.02em}.section-subtitle{font-size:var(--text-lg);color:var(--color-text-secondary);margin-top:var(--space-3);max-width:560px;margin-left:auto;margin-right:auto}.section-title-inline{font-size:var(--text-4xl);font-weight:var(--fw-extrabold);margin-bottom:var(--space-12);letter-spacing:-.02em;position:relative;display:inline-block}.section-title-inline:after{content:"";position:absolute;bottom:-6px;left:0;width:48px;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:var(--radius-full)}.highlight{color:var(--color-primary)}.card{background:var(--color-bg-card);border-radius:var(--radius-xl);border:1px solid var(--color-border);padding:var(--space-6);transition:all var(--transition-base);box-shadow:var(--shadow-card)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-primary-glow)}.tag{display:inline-flex;align-items:center;padding:3px 10px;font-size:var(--text-xs);font-weight:var(--fw-medium);border-radius:var(--radius-full);background:#7c6df01a;color:var(--color-primary);transition:all var(--transition-fast)}.tag:hover{background:var(--color-primary);color:#fff}.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease-out,transform .5s ease-out}.reveal.visible{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}.reveal-delay-4{transition-delay:.4s}.hero{min-height:calc(100vh - var(--nav-height));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:var(--space-16) var(--space-6)}.hero-bg{position:absolute;inset:0;z-index:0;pointer-events:none}.hero-bg:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(124,109,240,.12) 0%,transparent 60%),radial-gradient(ellipse at 70% 20%,rgba(56,217,169,.08) 0%,transparent 50%)}.particles{position:absolute;inset:0;overflow:hidden;pointer-events:none}.particle{position:absolute;width:3px;height:3px;background:var(--color-primary-light);border-radius:var(--radius-full);opacity:.2;animation:float-particle linear infinite}@keyframes float-particle{0%{transform:translateY(100vh) scale(0);opacity:0}10%{opacity:.2}90%{opacity:.2}to{transform:translateY(-10vh) scale(1);opacity:0}}.hero-content{z-index:1;display:flex;align-items:center;gap:var(--space-16);max-width:var(--content-max);width:100%}.hero-text{flex:1}.hero-avatar{flex-shrink:0}.hero-avatar-img{width:280px;height:280px;border-radius:var(--radius-2xl);overflow:hidden;border:3px solid rgba(124,109,240,.3);box-shadow:0 0 40px #7c6df026;position:relative}.hero-avatar-img img{width:100%;height:100%;object-fit:cover}.hero-greeting{font-size:var(--text-base);color:var(--color-primary);font-weight:var(--fw-semibold);margin-bottom:var(--space-2);letter-spacing:.05em;text-transform:uppercase}.hero-name{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:var(--fw-extrabold);letter-spacing:-.03em;margin-bottom:var(--space-3);line-height:1.08}.hero-name .name-gradient{background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-role{font-size:var(--text-xl);color:var(--color-text-secondary);font-weight:var(--fw-normal);margin-bottom:var(--space-4);min-height:1.8em}.hero-role .typed-cursor{color:var(--color-primary);animation:blink .8s infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.hero-desc{font-size:var(--text-base);color:var(--color-text-muted);line-height:var(--leading-relaxed);margin-bottom:var(--space-8);max-width:520px}.hero-actions{display:flex;gap:var(--space-3);flex-wrap:wrap}.hero-social{display:flex;gap:var(--space-3);margin-top:var(--space-6)}.social-link{width:38px;height:38px;border-radius:var(--radius-lg);background:#ffffff0a;border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);transition:all var(--transition-fast)}[data-theme=light] .social-link{background:#00000005}.social-link:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:translateY(-2px)}@media(max-width:768px){.hero-content{flex-direction:column-reverse;text-align:center;gap:var(--space-8)}.hero-avatar-img{width:180px;height:180px;margin:0 auto}.hero-desc{margin-left:auto;margin-right:auto}.hero-actions,.hero-social{justify-content:center}}.site-footer{padding:var(--space-8) var(--space-6);text-align:center;border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:var(--text-sm);max-width:var(--content-wide);margin:0 auto}