:root{--primary:#0a1931;--primary-light:#15305b;--accent-usa:#002868;--accent-mexico:#006847;--accent-canada:#da291c;--accent-gold:#ffb300;--bg-light:#f4f6f9;--bg-card:#ffffff;--text-dark:#1e293b;--text-muted:#64748b;--border-color:#e2e8f0;--transition-smooth: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(--bg-light);color:var(--text-dark);overflow-x:hidden;line-height:1.6}.custom-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -1px rgba(0,0,0,0.03);transition:var(--transition-smooth);overflow:hidden}.custom-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05)}.navbar-custom{background-color:rgba(10,25,49,0.95);backdrop-filter:blur(10px);border-bottom:2px solid var(--accent-gold);padding:15px 0;transition:var(--transition-smooth)}.navbar-brand img{max-height:45px;object-fit:contain}.nav-link-custom{color:#ffffff !important;font-weight:500;margin:0 12px;transition:var(--transition-smooth);position:relative}.nav-link-custom:hover,.nav-link-custom.active{color:var(--accent-gold) !important}.nav-link-custom::after{content:'';position:absolute;width:0;height:2px;bottom:-5px;left:0;background-color:var(--accent-gold);transition:var(--transition-smooth)}.nav-link-custom:hover::after{width:100%}.hero-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#ffffff;padding:100px 0 80px 0;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 80% 20%,rgba(255,179,0,0.15) 0%,transparent 50%);pointer-events:none}.hero-badge-container{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.hero-badge{font-size:0.85rem;padding:6px 16px;border-radius:50px;font-weight:600;text-transform:uppercase}.badge-usa{background-color:var(--accent-usa);color:#fff}.badge-mexico{background-color:var(--accent-mexico);color:#fff}.badge-canada{background-color:var(--accent-canada);color:#fff}.hero-img{border-radius:14px;box-shadow:0 20px 25px -5px rgba(0,0,0,0.3);border:4px solid rgba(255,255,255,0.1)}.match-card{border-left:5px solid var(--accent-gold)}.flag-icon{width:30px;height:20px;object-fit:cover;border-radius:3px;box-shadow:0 1px 3px rgba(0,0,0,0.15)}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.group-header{background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);color:#ffffff;font-weight:bold;padding:10px 15px;border-radius:8px 8px 0 0}.news-img-wrapper{position:relative;overflow:hidden;height:200px}.news-img-wrapper img{transition:var(--transition-smooth);width:100%;height:100%;object-fit:cover}.news-card:hover .news-img-wrapper img{transform:scale(1.05)}.stadium-card{position:relative;border-radius:12px;overflow:hidden;color:#ffffff;height:350px}.stadium-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1;transition:var(--transition-smooth)}.stadium-card:hover img{transform:scale(1.08)}.stadium-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to top,rgba(10,25,49,0.95) 0%,rgba(10,25,49,0.4) 60%,transparent 100%);z-index:2;display:flex;flex-direction:column;justify-content:flex-end;padding:24px}.accordion-button:not(.collapsed){background-color:rgba(10,25,49,0.05);color:var(--primary);box-shadow:none}.accordion-button:focus{box-shadow:none;border-color:var(--primary)}@media (max-width:991.98px){.hero-section{padding:80px 0 50px 0;text-align:center}.hero-badge-container{justify-content:center}.stadium-card{height:280px}}