:root{--bg-primary: #f3f4f6;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f9fafb;--bg-elevated: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--accent: #06B6D4;--accent-light: #22d3ee;--accent-glow: rgba(6, 182, 212, .15);--accent-subtle: rgba(6, 182, 212, .08);--teal: #06B6D4;--teal-glow: rgba(6, 182, 212, .12);--border: #e5e7eb;--border-hover: #d1d5db;--dark-bg: #0d1117;--dark-text: #e6edf3;--dark-border: #30363d;--font-heading: "Inter", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--section-gap: 120px;--container-max: 1200px;--container-padding: 24px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-panel: 0 1px 3px 0 rgba(0, 0, 0, .1);--shadow-elevated: 0 4px 12px 0 rgba(0, 0, 0, .08);--transition-fast: .15s ease;--transition-base: .3s cubic-bezier(.16, 1, .3, 1);--transition-slow: .6s cubic-bezier(.16, 1, .3, 1)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;background-image:linear-gradient(rgba(229,231,235,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(229,231,235,.3) 1px,transparent 1px);background-size:20px 20px}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:600;line-height:1.15;letter-spacing:-.02em;color:var(--text-primary)}a{color:inherit;text-decoration:none}button{font-family:var(--font-body);cursor:pointer;border:none;background:none}::selection{background:var(--accent);color:#fff}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}