*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{color-scheme:dark;--bg:#0d0f14;--surface:#161920;--card:#1c1f2a;--border:#2a2e3d;--border-h:#3a3f54;--text:#e8eaf0;--muted:#8890a8;--accent:#22d3ee;--accent-g:linear-gradient(135deg, #22d3ee, #818cf8);--pink:#f472b6;--green:#4ade80;--shadow-m:0 6px 20px #00000080;--r:12px;--r-sm:8px}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;overflow-x:hidden}header{z-index:100;backdrop-filter:blur(16px);border-bottom:1px solid var(--border);background:#0d0f14e0;justify-content:space-between;align-items:center;gap:1rem;height:64px;padding:0 1.5rem;display:flex;position:sticky;top:0}.brand{color:var(--text);white-space:nowrap;align-items:center;gap:.75rem;font-size:1rem;font-weight:800;text-decoration:none;display:flex}.brand img{border-radius:6px;width:auto;height:32px}.brand span{background:var(--accent-g);-webkit-text-fill-color:transparent;background-clip:text}.header-nav{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.nav-link{color:var(--muted);border-radius:var(--r-sm);white-space:nowrap;border:1px solid #0000;align-items:center;gap:.4rem;padding:.4rem .75rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:color .15s,background .15s,border-color .15s;display:inline-flex}.nav-link:hover{color:var(--text);background:var(--card);border-color:var(--border)}.nav-link.active{color:var(--accent);background:#22d3ee14;border-color:#22d3ee40}.lang-toggle{border:1px solid var(--border);border-radius:var(--r-sm);flex-shrink:0;align-items:center;display:flex;overflow:hidden}.lang-btn{color:var(--muted);cursor:pointer;text-transform:uppercase;letter-spacing:.04em;background:0 0;border:none;padding:.3rem .48rem;font-family:inherit;font-size:.72rem;font-weight:700;line-height:1;transition:color .15s,background .15s}.lang-btn:hover{color:var(--text);background:var(--surface)}.lang-btn.active{background:var(--card);color:var(--accent)}.lang-sep{color:var(--border);pointer-events:none;font-size:.65rem;line-height:1}.hero{text-align:center;max-width:900px;margin:0 auto;padding:2.5rem 1.5rem 1.75rem}.hero h1{letter-spacing:-.03em;background:var(--accent-g);-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.6rem;font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800}.hero p{color:var(--muted);max-width:520px;margin:0 auto;font-size:1rem}.page{max-width:860px;margin:0 auto;padding:0 1.5rem 4rem}.section-heading{color:var(--text);border-bottom:1px solid var(--border);align-items:center;gap:.6rem;margin-bottom:1.25rem;padding-bottom:.6rem;font-size:1rem;font-weight:800;display:flex}.section-heading:before{content:"";background:var(--accent-g);border-radius:2px;width:4px;height:1em;display:block}.btn{border-radius:var(--r-sm);border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;white-space:nowrap;align-items:center;gap:.45rem;padding:.55rem 1.1rem;font-family:inherit;font-size:.875rem;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.btn:hover{background:var(--border);border-color:var(--border-h)}.btn.primary{background:var(--accent);color:#0d0f14;border-color:var(--accent);font-weight:700}.btn.primary:hover{background:#38bdf8}.btn.primary-green{background:var(--green);color:#0d0f14;border-color:var(--green);font-weight:700}.btn.primary-green:hover{filter:brightness(1.1)}.header-end{flex-shrink:0;align-items:center;gap:.5rem;display:flex}.hamburger{border:1px solid var(--border);color:var(--text);border-radius:var(--r-sm);cursor:pointer;background:0 0;padding:.35rem .6rem;font-size:1.1rem;line-height:1;transition:background .15s,border-color .15s;display:none}.hamburger:hover{background:var(--card);border-color:var(--border-h)}@media (width<=640px){header{padding:0 1rem}.brand span{display:none}.page{padding:0 1rem 3rem}.hero{padding:1.75rem 1rem 1.25rem}.hamburger{justify-content:center;align-items:center;display:flex}.header-nav{backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:99;background:#161920fa;flex-direction:column;gap:.25rem;padding:.75rem 1rem;display:none;position:absolute;top:64px;left:0;right:0}.header-nav.open{display:flex}}