:root{--secondary:#6b7280}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:.875rem 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-xs)}.header-content{max-width:1120px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.625rem;font-size:1rem;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.logo-icon{color:var(--primary)}.theme-toggle{background:0 0;border:1px solid var(--border-color);border-radius:var(--radius);padding:.375rem;cursor:pointer;transition:var(--transition-fast);display:flex;align-items:center;justify-content:center;color:var(--text-secondary)}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}.theme-toggle svg{color:inherit}.hidden{display:none!important}.main-content{flex:1;max-width:1120px;width:100%;margin:0 auto;padding:3.5rem 2rem}.hero{text-align:center;margin-bottom:4rem}.hero-icon{display:inline-flex;padding:1rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:1.5rem}.hero-icon svg{color:var(--primary);width:48px;height:48px}.hero-title{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:.75rem;line-height:1.2;letter-spacing:-.025em}.hero-subtitle{font-size:1.0625rem;color:var(--text-secondary);margin-bottom:2rem;max-width:520px;margin-left:auto;margin-right:auto;line-height:1.6}.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:var(--primary);color:#fff;padding:.75rem 1.75rem;border-radius:var(--radius);font-size:.9375rem;font-weight:500;text-decoration:none;transition:var(--transition-fast)}.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-sm)}.btn-primary svg{width:18px;height:18px}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-bottom:3rem}.feature-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem;transition:var(--transition-fast)}.feature-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}.feature-icon{display:inline-flex;padding:.5rem;background:var(--bg-tertiary);border-radius:var(--radius);margin-bottom:1rem}.feature-icon svg{color:var(--primary);width:24px;height:24px}.feature-title{font-size:.9375rem;font-weight:600;color:var(--text-primary);margin-bottom:.375rem}.feature-text{color:var(--text-secondary);font-size:.8125rem;line-height:1.6}.stats-bar{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.25rem 2rem;display:flex;justify-content:space-around;align-items:center;gap:1.5rem;margin-bottom:3rem}.stat{display:flex;align-items:center;gap:.625rem}.stat-icon{display:flex;color:var(--primary)}.stat-icon svg{width:20px;height:20px}.stat-label{font-size:.8125rem;font-weight:500;color:var(--text-secondary)}.stat-divider{width:1px;height:24px;background:var(--border-color)}.footer{background:var(--bg-primary);border-top:1px solid var(--border-color);padding:1.5rem 0;margin-top:auto}.footer-content{max-width:1120px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-text{color:var(--text-tertiary);font-size:.8125rem}.footer-links{display:flex;align-items:center;gap:1rem}.footer-link{color:var(--text-secondary);text-decoration:none;font-size:.8125rem;transition:var(--transition-fast)}.footer-link:hover{color:var(--text-primary)}.footer-divider{color:var(--text-tertiary)}@media (max-width:768px){.header-content{padding:0 1rem}.main-content{padding:2rem 1rem}.hero-title{font-size:1.625rem}.hero-subtitle{font-size:1rem}.features{grid-template-columns:1fr;gap:.75rem}.stats-bar{flex-direction:column;padding:1.25rem;gap:1rem}.stat-divider{width:100%;height:1px}.footer-content{flex-direction:column;text-align:center;padding:0 1rem}}@media (max-width:480px){.hero-icon{padding:.75rem}.hero-icon svg{width:36px;height:36px}.btn-primary{width:100%;justify-content:center}}@media print{.footer-links,.theme-toggle{display:none}}