:root{--usa-blue:#0a192f;--can-red:#c8102e;--mex-green:#006847;--gold:#d4af37;--bg-light:#f8fafc;--bg-dark:#0f172a;--text-dark:#1e293b;--text-light:#f8fafc;--text-muted:#64748b;--card-border:rgba(148,163,184,0.12);--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(--bg-light);color:var(--text-dark);line-height:1.6}.custom-card{background:#ffffff;border:1px solid var(--card-border);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);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(10,25,47,0.95);backdrop-filter:blur(10px);border-bottom:3px solid var(--can-red)}.navbar-custom .navbar-brand,.navbar-custom .nav-link{color:var(--text-light) !important;transition:var(--transition)}.navbar-custom .nav-link:hover{color:var(--gold) !important}.hero-section{background:linear-gradient(135deg,var(--usa-blue) 0%,#1e293b 100%);color:var(--text-light);padding:80px 0;position:relative;overflow:hidden}.hero-section::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,var(--bg-light),transparent)}.hero-tag{background:linear-gradient(90deg,var(--can-red),var(--mex-green));color:white;padding:4px 12px;border-radius:20px;font-size:0.85rem;font-weight:600;display:inline-block}.live-score-strip{background:var(--bg-dark);color:var(--text-light);border-radius:12px;padding:15px;border-left:4px solid var(--gold)}.score-box{background:rgba(255,255,255,0.05);border-radius:8px;padding:10px}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.group-card{background:#fff;border-radius:10px;border-top:4px solid var(--usa-blue)}.group-card.group-mex{border-top-color:var(--mex-green)}.group-card.group-can{border-top-color:var(--can-red)}.stadium-card{position:relative;border-radius:12px;overflow:hidden;height:280px}.stadium-card img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.stadium-card:hover img{transform:scale(1.05)}.stadium-info{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,0.9),transparent);padding:20px;color:white}.scroll-x{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}.scroll-x::-webkit-scrollbar{height:6px}.scroll-x::-webkit-scrollbar-thumb{background-color:var(--text-muted);border-radius:3px}.faq-item{border-bottom:1px solid var(--card-border);padding:15px 0}.faq-question{font-weight:600;color:var(--usa-blue);cursor:pointer;display:flex;justify-content:space-between;align-items:center}.faq-answer{color:var(--text-muted);margin-top:8px;font-size:0.95rem}.section-title{position:relative;padding-bottom:12px;margin-bottom:30px;font-weight:700;color:var(--usa-blue)}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:linear-gradient(90deg,var(--can-red),var(--mex-green));border-radius:2px}footer{background-color:var(--bg-dark);color:rgba(255,255,255,0.7);padding:60px 0 20px 0;border-top:4px solid var(--mex-green)}footer a{color:rgba(255,255,255,0.8);text-decoration:none;transition:var(--transition)}footer a:hover{color:var(--gold)}