:root{--bg: #f8f8f7;--surface: #ffffff;--text: #111111;--text-secondary: #5c5c5c;--border: #e2e2dd;--accent: #0d4f6e;--accent-hover: #0a3d57;--accent-light: #e5f0f6;--muted: #8a8a8a;--mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", "Fira Code", "Courier New", monospace;--max-width: 1100px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.site-header{position:sticky;top:0;z-index:100;background:#f8f8f7f0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;padding-top:1rem;padding-bottom:1rem}.nav-brand{display:flex;align-items:center;gap:.45rem;font-weight:700;font-size:.875rem;letter-spacing:.14em;color:var(--text);text-transform:uppercase;flex-shrink:0}.nav-logo{height:22px;width:auto;flex-shrink:0}.nav-links{display:flex;list-style:none;gap:2rem;margin-left:auto;align-items:center}.nav-links a{font-size:.875rem;font-weight:500;color:var(--text-secondary);transition:color .18s}.nav-links a:hover{color:var(--text)}.nav-links .nav-cta{background:var(--accent);color:#fff!important;padding:.4rem 1rem;border-radius:4px;transition:background .18s}.nav-links .nav-cta:hover{background:var(--accent-hover)}.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:4px;padding:.35rem .6rem;font-size:1rem;cursor:pointer;margin-left:auto;color:var(--text);line-height:1}.btn{display:inline-block;padding:.7rem 1.5rem;font-size:.9rem;font-weight:500;border-radius:4px;transition:all .18s;cursor:pointer;text-decoration:none;line-height:1}.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--text-secondary);color:var(--text)}.section{padding:6rem 1.5rem}.section-alt{background:var(--surface)}.section-label{display:block;font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:1.1rem;font-family:var(--mono)}.section-title{font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700;line-height:1.18;letter-spacing:-.02em;max-width:720px;margin-bottom:1.25rem}.section-body{color:var(--text-secondary);max-width:600px;font-size:1.05rem;line-height:1.8}.card{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:1.75rem}.card-label{font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.75rem;font-family:var(--mono);display:block}.card-title{font-size:1.05rem;font-weight:600;margin-bottom:.75rem;line-height:1.3}.card-body{font-size:.9rem;color:var(--text-secondary);line-height:1.65}.card-link{display:inline-block;margin-top:1.25rem;font-size:.82rem;font-weight:500;color:var(--accent);font-family:var(--mono)}.card-link:hover{text-decoration:underline}.mono-tag{font-family:var(--mono);font-size:.75rem;background:var(--accent-light);color:var(--accent);padding:.18rem .55rem;border-radius:3px;display:inline-block;font-weight:500;letter-spacing:.04em}.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:3rem 1.5rem}.footer-inner{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:start}.footer-brand span{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:.35rem}.footer-brand p{font-size:.85rem;color:var(--text-secondary)}.footer-right{display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}.footer-links{display:flex;gap:1.75rem;flex-wrap:wrap}.footer-links a{font-size:.875rem;color:var(--text-secondary);transition:color .18s}.footer-links a:hover{color:var(--text)}.footer-copy{font-size:.78rem;color:var(--muted);font-family:var(--mono)}.nav-links .lang-switch{font-size:.72rem;font-weight:600;font-family:var(--mono);letter-spacing:.1em;color:var(--text-secondary);border:1px solid var(--border);padding:.2rem .55rem;border-radius:3px;text-transform:uppercase;transition:border-color .18s,color .18s}.nav-links .lang-switch:hover{color:var(--text);border-color:var(--text-secondary)}.lang-banner{position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);z-index:200;background:var(--surface);border:1px solid var(--border);border-radius:6px;box-shadow:0 4px 20px #00000014;max-width:520px;width:calc(100% - 3rem)}.lang-banner[hidden]{display:none}.lang-banner-inner{display:flex;align-items:center;gap:1rem;padding:.9rem 1.25rem;flex-wrap:wrap}.lang-banner-text{font-size:.875rem;color:var(--text-secondary);flex:1;min-width:180px}.lang-banner-cta{font-size:.8rem;font-weight:600;color:var(--accent);white-space:nowrap;font-family:var(--mono);transition:color .15s;text-decoration:none}.lang-banner-cta:hover{color:var(--accent-hover);text-decoration:underline}.lang-banner-dismiss{background:none;border:none;cursor:pointer;color:var(--muted);font-size:.85rem;padding:.15rem .3rem;border-radius:3px;transition:color .15s;line-height:1;flex-shrink:0}.lang-banner-dismiss:hover{color:var(--text)}@media(max-width:768px){.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:1rem 1.5rem;flex-direction:column;align-items:flex-start;gap:1rem}.nav-links.open{display:flex}.site-header{position:relative}.section{padding:4rem 1.25rem}.footer-inner{grid-template-columns:1fr}.footer-right{align-items:flex-start}}