:root{--page-bg:#f5f7fa;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--accent-red:#da291c;--accent-blue:#002868;--accent-green:#006847;--primary:#0284c7;--border:#e2e8f0;--card-shadow:0 10px 25px -5px rgba(0,0,0,0.05),0 8px 10px -6px rgba(0,0,0,0.05);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--page-bg);color:var(--text-main);overflow-x:hidden;line-height:1.6}header{background-color:var(--surface-strong);position:sticky;top:0;z-index:1030;box-shadow:0 4px 20px rgba(0,0,0,0.1);border-bottom:3px solid var(--accent-red)}.navbar-brand img{max-height:45px;object-fit:contain}.nav-link{color:#cbd5e1 !important;font-weight:500;padding:0.5rem 1rem !important;transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--surface) !important;background-color:rgba(255,255,255,0.1);border-radius:6px}.hero-section{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);color:var(--surface);padding:80px 0;position:relative;overflow:hidden}.hero-section::after{content:'';position:absolute;bottom:0;left:0;right:0;height:40px;background:linear-gradient(to top,var(--page-bg),transparent)}.hero-title{font-size:2.75rem;font-weight:800;line-height:1.25;letter-spacing:-0.02em;background:linear-gradient(to right,#ffffff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-badge{background:linear-gradient(90deg,var(--accent-red),var(--accent-blue));padding:6px 16px;border-radius:50px;font-weight:600;font-size:0.875rem;display:inline-block;margin-bottom:1.5rem}.hero-img{border-radius:12px;box-shadow:0 20px 40px rgba(0,0,0,0.3);border:4px solid rgba(255,255,255,0.1);transition:var(--transition)}.hero-img:hover{transform:scale(1.02)}.section-title{position:relative;padding-bottom:12px;margin-bottom:2rem;font-weight:700;color:var(--surface-strong)}.section-title::after{content:'';position:absolute;left:0;bottom:0;width:60px;height:4px;background:linear-gradient(90deg,var(--accent-red),var(--accent-blue),var(--accent-green));border-radius:2px}.custom-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:var(--card-shadow);transition:var(--transition);height:100%}.custom-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px -5px rgba(0,0,0,0.1)}.status-bar{background:linear-gradient(90deg,#1e293b,#0f172a);color:#fff;padding:12px 0;font-size:0.9rem}.score-box{background:linear-gradient(to bottom,#ffffff,#f8fafc);border-radius:12px;border:1px solid var(--border);text-align:center;padding:1.25rem;transition:var(--transition)}.score-box:hover{box-shadow:var(--card-shadow)}.team-logo-placeholder{width:45px;height:45px;background-color:#e2e8f0;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:bold;color:var(--text-main);margin-bottom:8px}.group-table{width:100%;margin-bottom:0}.group-table th{background-color:var(--surface-strong);color:#fff;font-weight:600}.rule-card{border-left:4px solid var(--primary)}.accordion-item{border:1px solid var(--border);border-radius:8px !important;margin-bottom:0.75rem;overflow:hidden}.accordion-button{font-weight:600;color:var(--surface-strong);background-color:var(--surface)}.accordion-button:not(.collapsed){color:var(--primary);background-color:#f0f9ff}.bg-gradient-canada{background:linear-gradient(135deg,#ffebee 0%,#ffcdd2 100%)}.bg-gradient-usa{background:linear-gradient(135deg,#e0f2fe 0%,#bae6fd 100%)}.bg-gradient-mexico{background:linear-gradient(135deg,#e8f5e9 0%,#c8e6c9 100%)}footer{background-color:var(--surface-strong);color:#94a3b8;font-size:0.9rem;padding:60px 0 30px;border-top:5px solid var(--accent-blue)}footer a{color:#cbd5e1;text-decoration:none;transition:var(--transition)}footer a:hover{color:#fff}@media (max-width:991.98px){.hero-title{font-size:2.25rem}.hero-section{padding:50px 0}}