:root{--page-bg:#f5f7fb;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--accent-blue:#0a369d;--accent-red:#da291c;--accent-green:#006847;--border:#e2e8f0;--card-radius:12px}body{background-color:var(--page-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden}.custom-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--card-radius);box-shadow:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -1px rgba(0,0,0,0.03);transition:transform 0.2s ease,box-shadow 0.2s ease;overflow:hidden}.custom-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.08)}.sidebar-nav{position:fixed;top:0;left:0;bottom:0;width:260px;background:var(--surface-strong);color:#ffffff;z-index:1030;padding:2rem 1.5rem;display:flex;flex-direction:column;justify-content:space-between}.main-content{margin-left:260px;padding:2rem}.nav-link-custom{color:rgba(255,255,255,0.75);display:flex;align-items:center;gap:10px;padding:0.8rem 1rem;border-radius:8px;text-decoration:none;transition:all 0.2s;font-weight:500}.nav-link-custom:hover,.nav-link-custom.active{color:#ffffff;background:rgba(255,255,255,0.1)}.mobile-header{display:none;background:var(--surface-strong);color:white;padding:1rem;position:sticky;top:0;z-index:1040}.hero-section{background:linear-gradient(135deg,#0a369d 0%,#1e293b 100%);color:white;border-radius:var(--card-radius);padding:3rem;margin-bottom:2rem;position:relative;overflow:hidden}.hero-section::after{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 80% 50%,rgba(218,41,28,0.15),transparent 50%);pointer-events:none}.badge-canada{background-color:var(--accent-red);color:white}.badge-usa{background-color:var(--accent-blue);color:white}.badge-mexico{background-color:var(--accent-green);color:white}.group-table-container{overflow-x:auto;-webkit-overflow-scrolling:touch}.faq-item{border-bottom:1px solid var(--border);padding:1.25rem 0}.faq-question{font-size:1.1rem;font-weight:600;color:var(--text-main);cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-answer{color:var(--text-muted);margin-top:0.5rem;font-size:0.95rem;line-height:1.6}@media (max-width:991.98px){.sidebar-nav{display:none}.main-content{margin-left:0;padding:1rem}.mobile-header{display:flex;justify-content:space-between;align-items:center}}