:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--dark-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);--glass-bg: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .2);--shadow-soft: 0 8px 32px rgba(0, 0, 0, .1);--shadow-strong: 0 25px 50px -12px rgba(0, 0, 0, .25);--transition-smooth: all .4s cubic-bezier(.4, 0, .2, 1)}html{scroll-behavior:smooth}::selection{background:#667eea;color:#fff}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#764ba2}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.animated-bg{background:linear-gradient(-45deg,#ee7752,#e73c7e,#23a6d5,#23d5ab);background-size:400% 400%;animation:gradient-shift 15s ease infinite}.glass-effect{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:16px}.hover-lift{transition:var(--transition-smooth)}.hover-lift:hover{transform:translateY(-8px);box-shadow:var(--shadow-strong)}.glow-effect{position:relative}.glow-effect:before{content:"";position:absolute;inset:0;background:var(--primary-gradient);filter:blur(20px);opacity:0;transition:opacity .3s ease;z-index:-1;border-radius:inherit}.glow-effect:hover:before{opacity:.5}.btn-modern{position:relative;padding:12px 32px;font-weight:600;letter-spacing:.5px;border:none;border-radius:50px;overflow:hidden;transition:var(--transition-smooth);z-index:1;display:inline-flex;align-items:center;justify-content:center;text-align:center}.btn-modern:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:var(--primary-gradient);z-index:-1;transition:var(--transition-smooth)}.btn-modern:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:var(--secondary-gradient);z-index:-2;opacity:0;transition:var(--transition-smooth)}.btn-modern:hover{transform:translateY(-3px);box-shadow:0 10px 40px #667eea66}.btn-modern:hover:before{opacity:0}.btn-modern:hover:after{opacity:1}.text-gradient{background:var(--primary-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.animated-underline{position:relative;display:inline-block}.animated-underline:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--primary-gradient);transition:width .3s ease}.animated-underline:hover:after{width:100%}.card-3d{transition:var(--transition-smooth);transform-style:preserve-3d}.card-3d:hover{transform:perspective(1000px) rotateX(2deg) rotateY(-2deg) translateY(-10px)}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.5s infinite}.particles{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden;z-index:-1}.particles:before,.particles:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;filter:blur(80px);opacity:.3}.particles:before{background:#667eea;top:10%;left:10%;animation:float 8s ease-in-out infinite}.particles:after{background:#764ba2;bottom:10%;right:10%;animation:float 10s ease-in-out infinite reverse}