*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8fafc;--bg-card:#ffffff;--bg-muted:#f1f5f9;--border:#e2e8f0;--text:#0f172a;--text-muted:#64748b;--accent:#2BBFB3;--accent-hi:#1a9990;--accent-lo:rgba(43,191,179,.1);--radius:12px;--font:"Inter", system-ui, sans-serif;--mono:"JetBrains Mono", "Fira Code", monospace}html.dark{--bg:#131316;--bg-card:#1c1c21;--bg-muted:#17171b;--border:#2c2c33;--text:#f2f2f3;--text-muted:#9d9da6;--accent-lo:rgba(43,191,179,.12)}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 24px}.nav{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;gap:32px;height:64px}.nav-logo{display:flex;align-items:center;flex-shrink:0}.logo-img{height:36px;width:auto;display:block}.logo-dark,html.dark .logo-light{display:none}html.dark .logo-dark{display:block}.nav-links{display:flex;list-style:none;gap:28px;flex:1}.nav-links a{color:var(--text-muted);font-size:.9rem;font-weight:500}.nav-links a:hover{color:var(--text)}.nav-links a.active{color:var(--accent)}.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}.lang-picker{display:flex;align-items:center}.lang-picker select{appearance:none;background:var(--bg-card)url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E")no-repeat right 8px center/12px 12px;border:1.5px solid var(--border);border-radius:8px;color:var(--text);font-size:.8rem;font-weight:600;padding:6px 26px 6px 10px;cursor:pointer}.lang-picker select:hover,.lang-picker select:focus{border-color:var(--text-muted)}.theme-toggle{background:0 0;border:1.5px solid var(--border);border-radius:8px;padding:7px;cursor:pointer;color:var(--text-muted);display:flex;align-items:center;transition:color .15s,border-color .15s}.theme-toggle:hover{color:var(--text);border-color:var(--text-muted)}html.dark .icon-sun{display:block}html.dark .icon-moon,html.light .icon-sun{display:none}html.light .icon-moon{display:block}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:8px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s;border:1.5px solid transparent}.btn-lg{padding:13px 28px;font-size:1rem}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hi);transform:translateY(-1px);box-shadow:0 6px 20px #2bbfb359}.btn-ghost{background:0 0;color:var(--text-muted);border-color:var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--text-muted)}.btn-outline{background:0 0;color:var(--accent);border-color:var(--accent)}.btn-outline:hover{background:var(--accent-lo)}.page-hero{padding:80px 0 64px;text-align:center;background:radial-gradient(ellipse 80% 50%at 50% -10%,rgba(43,191,179,.1),transparent 65%)}.page-eyebrow{display:inline-block;color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.2rem);font-weight:800;letter-spacing:-.025em;margin-bottom:18px}.page-hero-sub{font-size:1.08rem;color:var(--text-muted);max-width:680px;margin:0 auto;line-height:1.7}.page-hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}.cta-section{padding:80px 0;background:radial-gradient(ellipse 70% 60%at 50% 0%,rgba(43,191,179,.07),transparent 65%),var(--bg-muted);border-top:1px solid var(--border)}.cta-inner{text-align:center}.cta-inner h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin-bottom:12px}.cta-inner p{color:var(--text-muted);margin-bottom:32px}.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.footer{padding:40px 0;border-top:1px solid var(--border)}.footer-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap}.footer-links{display:flex;list-style:none;gap:12px 24px;flex-wrap:wrap;justify-content:center}.footer-links a{color:var(--text-muted);font-size:.9rem}.footer-links a:hover{color:var(--accent)}.footer-copy{margin-left:auto;color:var(--text-muted);font-size:.85rem}@media (max-width:640px){.nav-links{display:none}.nav-inner{gap:14px}.nav-actions{gap:8px}.nav-actions .btn-ghost{display:none}.nav-actions .btn{padding:8px 14px;font-size:.85rem}.footer-inner{flex-direction:column;text-align:center}.footer-copy{margin-left:0}}@media (max-width:400px){.lang-picker select{font-size:.72rem;padding:5px 22px 5px 8px}}