@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700&display=swap";:root{--bg-dark: #0b0f19;--bg-card: rgba(18, 24, 38, .75);--bg-card-hover: rgba(26, 35, 56, .85);--border-color: rgba(255, 255, 255, .08);--border-accent: rgba(99, 102, 241, .4);--primary: #6366f1;--primary-hover: #4f46e5;--accent-cyan: #06b6d4;--accent-emerald: #10b981;--accent-amber: #f59e0b;--text-main: #f3f4f6;--text-muted: #9ca3af;--text-dim: #6b7280;--font-sans: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-heading: "Space Grotesk", system-ui, sans-serif;--max-width: 1200px;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-sans);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:-.02em;color:#fff;line-height:1.25}a{color:var(--primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-cyan)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}.glass-panel{background:var(--bg-card);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius)}.glass-panel:hover{border-color:var(--border-accent)}header{position:sticky;top:0;z-index:100;background:#0b0f19d9;backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);padding:1rem 0}.nav-container{display:flex;align-items:center;justify-content:space-between}.logo-brand{display:flex;align-items:center;gap:.75rem;font-family:var(--font-heading);font-size:1.4rem;font-weight:700;color:#fff}.logo-badge{background:linear-gradient(135deg,var(--primary),var(--accent-cyan));color:#fff;font-size:.75rem;padding:.2rem .6rem;border-radius:20px;font-weight:600}.nav-links{display:flex;gap:1.5rem;list-style:none}.nav-links a{color:var(--text-muted);font-weight:500;font-size:.95rem;transition:all .2s ease}.nav-links a:hover,.nav-links a.active{color:#fff}.hero{padding:4rem 0 3rem;text-align:center;background:radial-gradient(circle at 50% 20%,rgba(99,102,241,.15),transparent 70%)}.hero h1{font-size:3rem;font-weight:800;margin-bottom:1rem;background:linear-gradient(135deg,#ffffff 30%,var(--text-muted));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:1.2rem;color:var(--text-muted);max-width:680px;margin:0 auto 2rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:all .2s ease}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f180;color:#fff}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;margin:2rem 0}.calc-card{padding:2rem;border-radius:16px;background:var(--bg-card);border:1px solid var(--border-color);transition:all .3s ease}.calc-card:hover{border-color:var(--primary);transform:translateY(-3px)}.calc-input-group{margin-bottom:1.25rem}.calc-input-group label{display:block;font-size:.875rem;font-weight:600;color:var(--text-muted);margin-bottom:.5rem}.calc-input-group input,.calc-input-group select{width:100%;padding:.75rem 1rem;border-radius:8px;background:#0b0f1999;border:1px solid var(--border-color);color:#fff;font-size:1rem;outline:none}.calc-input-group input:focus,.calc-input-group select:focus{border-color:var(--primary)}.calc-results{margin-top:1.5rem;padding:1.5rem;border-radius:12px;background:#6366f11a;border:1px solid rgba(99,102,241,.3)}.calc-results-val{font-family:var(--font-heading);font-size:2rem;font-weight:700;color:var(--accent-cyan)}.article-content{max-width:760px;margin:0 auto;padding:2rem 0;font-size:1.1rem;line-height:1.8;color:#e5e7eb}.article-content p{margin-bottom:1.5rem}.article-content h2{font-size:1.8rem;margin:2.5rem 0 1rem}.disclaimer-box{padding:1rem 1.25rem;border-left:4px solid var(--accent-amber);background:#f59e0b1a;border-radius:0 8px 8px 0;font-size:.9rem;color:#fef08a;margin:1.5rem 0}footer{border-top:1px solid var(--border-color);padding:3rem 0;margin-top:4rem;color:var(--text-dim);font-size:.9rem;text-align:center}@media(max-width:768px){.hero h1{font-size:2.2rem}.nav-links{display:none}}