:root{--primary:#0f1d36;--primary-light:#1d3557;--accent-usa:#e63946;--accent-mex:#1b4d3e;--accent-can:#d90429;--text-main:#2b2d42;--text-muted:#6c757d;--bg-light:#f8f9fa;--bg-white:#ffffff;--border-color:#e9ecef;--transition-speed:0.3s}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text-main);background-color:var(--bg-light);overflow-x:hidden;line-height:1.6}.custom-card{background:var(--bg-white);border-radius:12px;border:1px solid var(--border-color);box-shadow:0 4px 18px rgba(15,29,54,0.03);transition:transform var(--transition-speed) ease,box-shadow var(--transition-speed) ease}.custom-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(15,29,54,0.08)}.navbar{background-color:rgba(15,29,54,0.95) !important;backdrop-filter:blur(10px);border-bottom:2px solid var(--accent-usa)}.navbar-brand img{max-height:40px}.navbar-nav .nav-link{color:#f8f9fa !important;font-weight:500;padding:0.5rem 1rem !important;transition:color var(--transition-speed)}.navbar-nav .nav-link:hover{color:var(--accent-usa) !important}.hero-section{background:linear-gradient(135deg,#0f1d36 0%,#1d3557 100%);color:#ffffff;padding:80px 0 60px 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(--bg-light),transparent)}.hero-title{font-size:2.8rem;font-weight:800;line-height:1.2;text-transform:uppercase;letter-spacing:0.5px}.hero-title span{background:linear-gradient(45deg,#e63946,#ffb703);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-badge{background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);padding:6px 16px;border-radius:50px;font-size:0.9rem;display:inline-flex;align-items:center;gap:8px}.ticker-wrap{background:var(--primary-light);color:#ffffff;padding:12px 0;font-size:0.9rem;border-bottom:1px solid rgba(255,255,255,0.1)}.section-header{margin-bottom:40px;position:relative}.section-header h2{font-weight:700;color:var(--primary);position:relative;display:inline-block;padding-bottom:12px}.section-header h2::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background:var(--accent-usa);border-radius:2px}.match-card{border-left:4px solid var(--accent-usa)}.match-header{font-size:0.8rem;color:var(--text-muted);border-bottom:1px solid var(--border-color);padding-bottom:8px;margin-bottom:12px}.team-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.team-name{font-weight:600;display:flex;align-items:center;gap:8px}.score-box{background:var(--bg-light);padding:4px 10px;border-radius:6px;font-weight:700;min-width:40px;text-align:center}.match-footer{border-top:1px solid var(--border-color);padding-top:8px;margin-top:12px;font-size:0.85rem}.group-table th{background-color:var(--primary);color:#ffffff;border:none}.group-table td{vertical-align:middle}.guide-box{background:var(--bg-white);border-radius:12px;padding:24px;height:100%;border:1px solid var(--border-color)}.guide-icon{font-size:2.5rem;color:var(--accent-usa);margin-bottom:16px}.accordion-button:not(.collapsed){background-color:rgba(230,57,70,0.08);color:var(--accent-usa)}.accordion-button:focus{box-shadow:none;border-color:var(--accent-usa)}footer{background-color:var(--primary);color:#a0aec0;padding:60px 0 30px 0;font-size:0.95rem}footer a{color:#e2e8f0;text-decoration:none;transition:color 0.2s}footer a:hover{color:var(--accent-usa)}footer h5{color:#ffffff;font-weight:600;margin-bottom:20px}@media (max-width:768px){.hero-title{font-size:2rem}.section-header{margin-bottom:25px}}