:root{--bg: #fafbfc;--surface: #ffffff;--surface-soft: rgba(255, 255, 255, .72);--text: #1d1d1f;--muted: #6e6e73;--border: rgba(0, 0, 0, .06);--accent: #2563eb;--accent-hover: #1d4ed8;--accent2: #3b82f6;--radius: 12px;--radius-sm: 8px;--radius-pill: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .06);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .07);--container: 960px;--section-y: 5rem;--text-max: 68ch;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--font-display: var(--font-sans);--ease: cubic-bezier(.2, .8, .2, 1);--duration: .28s}html.dark,[data-theme=dark]{--bg: #0f1116;--surface: #181b23;--surface-soft: rgba(24, 27, 35, .82);--text: #f5f5f7;--muted: #a1a1a6;--border: rgba(255, 255, 255, .06);--accent: #5b8def;--accent-hover: #7ba3f7;--accent2: #60a5fa;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .22);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .3)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}html{scroll-behavior:auto}.reveal,.reveal.revealed{opacity:1!important;transform:none!important}.hero-glow{opacity:0!important;animation:none!important}}*{box-sizing:border-box}body{margin:0;position:relative;font-family:var(--font-sans);font-size:18px;line-height:1.6;color:var(--text);background:var(--bg);background-image:linear-gradient(165deg,#fafbfcfa,#f8f9fcfc),repeating-radial-gradient(circle at 50% 50%,rgba(0,0,0,.015) 0px,transparent 1px,transparent 2px);background-blend-mode:normal,normal;min-height:100vh}html.dark body,[data-theme=dark] body{background-image:linear-gradient(165deg,#0f1116fc,#12141afc),repeating-radial-gradient(circle at 50% 50%,rgba(255,255,255,.015) 0px,transparent 1px,transparent 2px)}#app{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid transparent;flex-wrap:wrap;gap:1rem;background:transparent;transition:background var(--duration) var(--ease),border-color var(--duration) var(--ease),box-shadow var(--duration) var(--ease)}.header.is-scrolled{background:var(--surface-soft);border-bottom:1px solid var(--border);box-shadow:0 1px #0000000a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}@supports not (backdrop-filter: blur(8px)){.header.is-scrolled{background:var(--surface)}}.brand{font-weight:600;font-size:1.2rem;letter-spacing:-.02em;color:var(--text);text-decoration:none;transition:color var(--duration) var(--ease)}.brand:hover{color:var(--accent)}.nav{display:flex;gap:1.5rem}.nav a{color:var(--text);text-decoration:none;font-size:.9375rem;font-weight:500;opacity:.92;transition:opacity var(--duration) var(--ease),color var(--duration) var(--ease);position:relative}.nav a:hover{opacity:1;color:var(--accent)}.nav a:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transition:transform var(--duration) var(--ease)}.nav a:hover:after{transform:scaleX(1)}.header-actions{display:flex;align-items:center;gap:.75rem}.lang{display:inline-flex;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);padding:2px;box-shadow:var(--shadow-sm)}.lang a{padding:.35rem .75rem;border-radius:var(--radius-pill);font-size:.8125rem;font-weight:500;color:var(--muted);text-decoration:none;transition:background var(--duration) var(--ease),color var(--duration) var(--ease)}.lang a:hover{color:var(--text)}.lang a.active{background:var(--accent);color:#fff}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text);cursor:pointer;font-size:1rem;transition:background var(--duration) var(--ease),color var(--duration) var(--ease),border-color var(--duration) var(--ease)}.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}.theme-icon.moon,html.dark .theme-icon.sun{display:none}html.dark .theme-icon.moon{display:inline}main{flex:1;max-width:var(--container);margin:0 auto;width:100%;padding:0 1.5rem var(--section-y)}.hero{padding:var(--section-y) 0;padding-bottom:5.5rem;text-align:center;position:relative;overflow:hidden}.hero-glow{position:absolute;z-index:0;width:120%;max-width:640px;height:320px;left:50%;top:40%;transform:translate(-50%,-50%);background:radial-gradient(ellipse 80% 50% at 50% 50%,rgba(37,99,235,.07) 0%,transparent 70%);pointer-events:none;animation:hero-glow-drift 12s ease-in-out infinite}@supports (animation-timeline: scroll()){.hero-glow{animation:hero-glow-drift 12s ease-in-out infinite,hero-glow-scroll linear;animation-timeline:auto,scroll();animation-range:normal,0 35vh}}@keyframes hero-glow-drift{0%,to{transform:translate(-50%,-50%) translate(0);opacity:1}33%{transform:translate(-50%,-50%) translate(2%,-1%);opacity:.9}66%{transform:translate(-50%,-50%) translate(-1%,1%);opacity:.95}}@keyframes hero-glow-scroll{to{opacity:.3}}.hero h1{font-family:var(--font-display);font-size:clamp(1.875rem,4.5vw,3rem);font-weight:600;letter-spacing:-.025em;line-height:1.2;margin:0 auto 1.25rem;max-width:16ch;color:var(--text);position:relative;z-index:1}.hero-subtitle{font-size:1.125rem;color:var(--muted);margin:0 auto 2rem;max-width:var(--text-max);line-height:1.65;position:relative;z-index:1}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-sm);font-size:1rem;font-weight:500;text-decoration:none;border:none;cursor:pointer;font-family:inherit;transition:transform var(--duration) var(--ease),background var(--duration) var(--ease),color var(--duration) var(--ease),box-shadow var(--duration) var(--ease),border-color var(--duration) var(--ease)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 2px 8px #2563eb40}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface);border-color:var(--muted);color:var(--text)}.section{padding:var(--section-y) 0;border-top:1px solid var(--border)}.section:first-of-type{padding-top:4rem}.reveal{opacity:0;transform:translateY(8px);transition:opacity .4s var(--ease),transform .4s var(--ease)}.reveal.revealed{opacity:1;transform:translateY(0)}.section h2{font-size:1.625rem;font-weight:600;letter-spacing:-.02em;line-height:1.3;margin:0 0 1.5rem;color:var(--text);max-width:var(--text-max)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.card{padding:1.5rem;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:transform var(--duration) var(--ease),box-shadow var(--duration) var(--ease),border-color var(--duration) var(--ease)}.card:hover{transform:translateY(-1px);box-shadow:0 4px 20px #0000000f;border-color:#00000014}html.dark .card:hover,[data-theme=dark] .card:hover{border-color:#ffffff1a}.card-icon{width:24px;height:24px;margin-bottom:.75rem;color:var(--muted);stroke-width:1.5}.card h3{font-size:1.0625rem;font-weight:600;letter-spacing:-.01em;margin:0 0 .5rem;color:var(--text)}.card p{margin:0;font-size:.9375rem;color:var(--muted);line-height:1.55;max-width:var(--text-max)}.card .tag{display:inline-block;font-size:.75rem;padding:.25rem .5rem;background:var(--accent);color:#fff;border-radius:4px;margin-bottom:.5rem;font-weight:500}.about-body{max-width:var(--text-max)}.about-body p{margin:0 0 1rem;color:var(--muted);line-height:1.65}.about-body p:last-child{margin-bottom:0}.contact-body{color:var(--muted);margin:0 0 1.5rem;line-height:1.65;max-width:var(--text-max)}.contact-actions{display:flex;gap:1rem;flex-wrap:wrap}.toast{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%) translateY(100%);padding:.6rem 1.25rem;background:var(--text);color:var(--surface);font-size:.875rem;font-weight:500;border-radius:var(--radius-pill);box-shadow:var(--shadow-lg);z-index:1000;opacity:0;transition:transform .28s var(--ease),opacity .28s var(--ease);pointer-events:none}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.footer{padding:1.5rem;border-top:1px solid var(--border);text-align:center}.footer p{margin:0;font-size:.875rem;color:var(--muted)}@media(max-width:640px){.header{flex-direction:column;align-items:flex-start}.hero h1{font-size:1.75rem}.cards{grid-template-columns:1fr}}