*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #495057;--text-tertiary: #6c757d;--accent: #6366f1;--accent-hover: #4f46e5;--accent-light: rgba(99, 102, 241, .1);--border: #dee2e6;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .15);--gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--accent: #818cf8;--accent-hover: #a5b4fc;--accent-light: rgba(129, 140, 248, .15);--border: #334155;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .6)}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}a{color:var(--accent);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-hover)}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:6rem 0;min-height:100vh;display:flex;align-items:center}.section-title{font-size:clamp(2rem,5vw,3rem);font-weight:800;margin-bottom:1rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-8px;left:0;width:60px;height:4px;background:var(--gradient);border-radius:2px}.section-subtitle{color:var(--text-tertiary);font-size:1.1rem;margin-bottom:3rem;max-width:600px}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:8px;font-weight:600;font-size:1rem;transition:var(--transition);cursor:pointer;border:2px solid transparent}.btn-primary{background:var(--gradient);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline{background:transparent;color:var(--text-primary);border-color:var(--border)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.animate-fade-in-up{animation:fadeInUp .6s ease-out forwards}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--accent);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent-hover)}@media (max-width: 768px){.section{padding:4rem 0}}