:root{--page-bg:#f8fafc;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--text-light:#f1f5f9;--accent-usa:#0a2540;--accent-mex:#006847;--accent-can:#da291c;--accent:#2563eb;--border:#e2e8f0;--transition:all 0.3s ease}body{background-color:var(--page-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden;line-height:1.6}a{color:var(--accent);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-usa)}.navbar{background-color:var(--surface-strong);box-shadow:0 4px 12px rgba(0,0,0,0.1);padding:1rem 0}.navbar-brand img{max-height:45px;object-fit:contain}.nav-link{color:var(--text-light) !important;font-weight:500;margin:0 0.5rem;transition:var(--transition)}.nav-link:hover,.nav-link.active{color:#3b82f6 !important}.hero-section{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);color:var(--text-light);padding:5rem 0;position:relative;overflow:hidden}.hero-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 80% 20%,rgba(37,99,235,0.15) 0%,transparent 50%);pointer-events:none}.hero-title{font-size:2.5rem;font-weight:800;line-height:1.25;margin-bottom:1.5rem}.badge-host{display:inline-flex;gap:0.5rem;align-items:center;background:rgba(255,255,255,0.1);padding:0.5rem 1rem;border-radius:30px;margin-bottom:1.5rem;font-size:0.875rem}.flag-dot{width:10px;height:10px;border-radius:50%;display:inline-block}.dot-usa{background-color:#0d6efd}.dot-mex{background-color:#198754}.dot-can{background-color:#dc3545}.section-header{margin-bottom:3rem;position:relative}.section-header h2{font-size:2rem;font-weight:700;color:var(--surface-strong);display:inline-block;position:relative;padding-bottom:0.75rem}.section-header h2::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:var(--accent);border-radius:2px}.ticker-wrap{background-color:var(--surface-strong);color:var(--text-light);padding:0.75rem 0;border-top:1px solid rgba(255,255,255,0.1);border-bottom:1px solid rgba(255,255,255,0.1)}.ticker-item{display:inline-block;padding:0 2rem;border-right:1px solid rgba(255,255,255,0.2);font-size:0.875rem}.custom-card{background-color:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05);transition:var(--transition)}.custom-card:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.match-card{background:var(--surface);border-radius:12px;border:1px solid var(--border);padding:1.25rem;margin-bottom:1rem}.match-team{display:flex;align-items:center;justify-content:space-between;font-weight:600;margin:0.5rem 0}.match-score-pill{background:var(--page-bg);padding:0.25rem 0.75rem;border-radius:6px;font-size:0.9rem;font-family:monospace}.group-table{background:var(--surface);border-radius:12px;overflow:hidden;border:1px solid var(--border);font-size:0.9rem}.group-table th{background-color:var(--accent-usa);color:#fff;font-weight:500}.btn-custom{padding:0.6rem 1.5rem;border-radius:8px;font-weight:600;transition:var(--transition)}.accordion-item{border:1px solid var(--border);border-radius:10px !important;margin-bottom:0.75rem;overflow:hidden}.accordion-button{background-color:var(--surface);color:var(--surface-strong);font-weight:600}.accordion-button:not(.collapsed){background-color:#eff6ff;color:var(--accent)}.footer-dark{background-color:var(--surface-strong);color:var(--text-light);padding:4rem 0 2rem;font-size:0.9rem}.footer-dark a{color:#94a3b8}.footer-dark a:hover{color:#3b82f6}.footer-border{border-top:1px solid #1e293b;margin-top:3rem;padding-top:1.5rem}