*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base:#0a0a0a;--bg-surface:#111;--bg-elevated:#1a1a1a;--bg-hover:#222;--border:#ffffff14;--border-hover:#ffffff29;--text-primary:#f5f5f7;--text-secondary:#a1a1a6;--text-tertiary:#6e6e73;--accent:#6366f1;--accent-hover:#4f52e8;--accent-light:#6366f11f;--success:#34d399;--warning:#fbbf24;--danger:#f87171;--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--shadow-sm:0 1px 3px #0006, 0 1px 2px #0009;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 12px 40px #0009;--shadow-glow:0 0 0 1px #6366f166, 0 4px 20px #6366f126;--ease:cubic-bezier(.4, 0, .2, 1);--duration:.22s;--font:"Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;--max-w:1280px;--header-h:64px}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;color:var(--text-primary);font-weight:700;line-height:1.2}h1{font-size:clamp(2.2rem,5vw,4rem)}h2{font-size:clamp(1.6rem,3vw,2.4rem)}h3{font-size:clamp(1.2rem,2vw,1.6rem)}h4{font-size:1.1rem}p{color:var(--text-secondary);line-height:1.7}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}@media (width<=768px){.container{padding:0 16px}}.section{padding:80px 0}@media (width<=768px){.section{padding:56px 0}}.btn{font-family:var(--font);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration) var(--ease);white-space:nowrap;letter-spacing:-.01em;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.9375rem;font-weight:600;line-height:1;display:inline-flex;position:relative;overflow:hidden}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 20px #6366f166}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-hover);transform:translateY(-1px)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){color:var(--text-primary);background:var(--bg-elevated)}.btn-danger{color:var(--danger);background:#f871711f;border:1px solid #f8717133}.btn-danger:hover:not(:disabled){background:#f8717133;border-color:#f8717159}.btn-sm{border-radius:var(--radius-sm);padding:8px 16px;font-size:.8125rem}.btn-lg{border-radius:var(--radius-md);padding:16px 32px;font-size:1.0625rem}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color var(--duration) var(--ease), transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);overflow:hidden}.card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-lg);transform:translateY(-3px)}.input{width:100%;font-family:var(--font);background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);outline:none;padding:12px 16px;font-size:.9375rem}.input::placeholder{color:var(--text-tertiary)}.input:focus{border-color:var(--accent);box-shadow:var(--shadow-glow)}.input:hover:not(:focus){border-color:var(--border-hover)}.label{color:var(--text-secondary);letter-spacing:.02em;text-transform:uppercase;margin-bottom:6px;font-size:.8125rem;font-weight:600;display:block}.form-group{flex-direction:column;gap:6px;display:flex}.form-error{color:var(--danger);margin-top:4px;font-size:.8125rem}.badge{letter-spacing:.02em;border-radius:999px;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-accent{background:var(--accent-light);color:var(--accent)}.badge-success{color:var(--success);background:#34d3991f}.badge-warning{color:var(--warning);background:#fbbf241f}.badge-danger{color:var(--danger);background:#f871711f}.badge-neutral{background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border)}.divider{background:var(--border);border:none;height:1px;margin:0}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);border-radius:var(--radius-sm);background-size:800px 100%;animation:1.5s infinite shimmer}.overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;background:#000000bf;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}