.app-header{background:#fff;border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.header-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm);height:70px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:var(--spacing-xs);text-decoration:none}.brand-icon{background:var(--color-primary);width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;transform:rotate(-5deg)}.brand-text{font-family:var(--font-heading);font-weight:800;font-size:1.5rem;color:var(--color-primary-dark);letter-spacing:-.5px}.nav-menu{display:flex;gap:var(--spacing-md)}.nav-link{font-weight:500;color:var(--color-text-secondary);transition:color .2s;font-size:.95rem}.nav-link:hover{color:var(--color-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-full);font-weight:600;transition:all .2s;text-decoration:none;font-size:1rem}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:0 4px 10px #1565c04d}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 6px 15px #1565c066}.btn.sm{padding:.5rem 1rem;font-size:.875rem}@media(max-width:768px){.header-container{padding:0 var(--spacing-xs);height:60px}.brand-text{display:none}.nav-menu{gap:var(--spacing-xs)}.nav-link{font-size:.85rem;padding:.5rem .25rem}.mobile-hidden{display:none}.btn.sm{padding:.4rem .8rem}}.app-footer{background:#fff;border-top:1px solid var(--color-border);padding:var(--spacing-md) 0;margin-top:auto}.footer-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-sm);text-align:center;color:var(--color-text-secondary);font-size:.875rem}:root{--color-primary: #2563EB;--color-primary-light: #60A5FA;--color-primary-dark: #1E40AF;--color-secondary: #0F172A;--color-accent: #F59E0B;--color-success: #10B981;--gradient-primary: linear-gradient(135deg, #1E40AF 0%, #2563EB 100%);--gradient-hero: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);--gradient-accent: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);--color-bg: #F8FAFC;--color-surface: #FFFFFF;--color-text-main: #0F172A;--color-text-secondary: #64748B;--color-border: #E2E8F0;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-xxl: 5rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-float: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / .05);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--font-main: "Inter", system-ui, -apple-system, sans-serif;--font-heading: "Poppins", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--color-bg);color:var(--color-text-main);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--color-text-main)}button{cursor:pointer;border:none;font-family:inherit;transition:all .2s cubic-bezier(.4,0,.2,1)}button:active{transform:scale(.98)}a{text-decoration:none;color:inherit;transition:color .2s ease}ul{list-style:none}input,textarea,select{font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;outline:none}input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb1a}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-primary{background:var(--gradient-primary);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600;box-shadow:var(--shadow-md)}.btn-primary:hover{filter:brightness(110%);box-shadow:var(--shadow-lg);transform:translateY(-1px)}.btn-outline{background:transparent;border:2px solid var(--color-primary);color:var(--color-primary);padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:600}.btn-outline:hover{background:#2563eb0d}.card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.no-scrollbar::-webkit-scrollbar{display:none}.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.hub-hero-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-xl);align-items:center}@media(min-width:768px){.hub-hero-grid{grid-template-columns:1fr 1fr}}