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