:root{--primary: #059669;--primary-dark: #047857;--primary-light: #a569bd;--secondary: #e74c3c;--accent: #f39c12;--text-dark: #2c3e50;--text-light: #666;--bg-gradient: linear-gradient(135deg, #fdfbfd 0%, #f4ecf7 100%);--white: #fff;--glass: rgba(255, 255, 255, .95);--shadow-lg: 0 15px 35px rgba(5, 150, 105, .15);--border-color: #eee;--success: #27ae60;--error: #c0392b}:root.dark-mode,html.dark-mode,body.dark-mode,[data-theme=dark]{--text-dark: #f8fafc;--text-light: #94a3b8;--bg-gradient: linear-gradient(135deg, #0f172a 0%, #020617 100%);--white: #1e293b;--glass: rgba(15, 23, 42, .85);--shadow-lg: 0 15px 35px rgba(0, 0, 0, .5);--border-color: #334155}*{margin:0;padding:0;box-sizing:border-box;scroll-behavior:smooth}body{background:var(--bg-gradient);color:var(--text-dark);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-x:hidden;display:flex;flex-direction:column;min-height:100vh;line-height:1.6}a{text-decoration:none;color:inherit;transition:all .3s ease}ul{list-style:none}header{background:var(--glass);backdrop-filter:blur(12px);padding:0 5%;display:flex;justify-content:space-between;align-items:center;box-shadow:0 4px 20px #0000000a;position:sticky;top:0;z-index:1000;height:80px}.logo{font-size:1.6rem;font-weight:800;background:linear-gradient(45deg,var(--primary),#c0392b);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;color:transparent;display:flex;align-items:center;gap:10px}nav ul{display:flex;gap:2rem;align-items:center}nav ul li a{font-weight:500;font-size:.95rem;color:var(--text-dark);position:relative}nav ul li a:hover,nav ul li a.active{color:var(--primary)}nav ul li a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--primary);transition:width .3s}nav ul li a:hover:after{width:100%}.nav-btn{background:var(--primary);color:#fff!important;padding:8px 20px;border-radius:20px;box-shadow:0 4px 10px #0596694d;display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem}.nav-btn:hover{background:var(--primary-dark);transform:translateY(-2px)}.nav-btn:after{display:none}.mobile-toggle{display:none;font-size:1.5rem;color:var(--text-dark);background:transparent;border:0;cursor:pointer;z-index:1001}footer{background:#0f0f14;color:#ecf0f1;padding:2.5rem 5% 1.5rem;margin-top:auto}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;padding-bottom:3rem;border-bottom:1px solid #333}.footer-brand h2{display:flex;align-items:center;gap:10px;margin-bottom:1.5rem;font-size:1.6rem;color:#fff}.footer-brand p{color:#aaa;line-height:1.6;max-width:350px;margin-bottom:1.5rem}.social-links{display:flex;gap:1rem}.social-links a{width:40px;height:40px;border-radius:50%;background:#222;display:flex;align-items:center;justify-content:center;color:#fff;transition:.3s}.social-links a:hover{background:var(--primary);transform:translateY(-3px)}.footer-col h3{color:#fff;margin-bottom:1.5rem;font-size:1.1rem}.footer-col ul li{margin-bottom:10px}.footer-col a{color:#bbb;font-size:.9rem;transition:.3s}.footer-col a:hover{color:var(--primary);padding-left:5px}.copyright{display:flex;justify-content:space-between;align-items:center;margin-top:2rem;color:#666;font-size:.85rem;flex-wrap:wrap;gap:1rem}@media(max-width:992px){header{justify-content:space-between;height:70px}.mobile-toggle{display:block}nav{position:absolute;top:70px;left:0;width:100%;background:#fffffffa;backdrop-filter:blur(20px);padding:1rem 0;box-shadow:0 15px 30px #0000001a;display:none;flex-direction:column;align-items:center;border-top:1px solid rgba(0,0,0,.05)}nav.active{display:flex}nav ul{flex-direction:column;gap:1.5rem;text-align:center}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){header{padding:0 1rem}.footer-grid{grid-template-columns:1fr}}