:root{--primary-color:#0d1b2a;--secondary-color:#1b263b;--accent-usa:#0a36af;--accent-mexico:#006847;--accent-canada:#da291c;--accent-gold:#f59e0b;--bg-light:#f8f9fa;--bg-card:#ffffff;--text-main:#212529;--text-muted:#6c757d;--border-color:#e9ecef;--card-radius:12px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--bg-light);color:var(--text-main);overflow-x:hidden}.navbar{background-color:rgba(255,255,255,0.95) !important;backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color)}.navbar-brand img{height:40px;object-fit:contain}.hero-section{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#ffffff;padding:80px 0;position:relative;overflow:hidden}.hero-section::after{content:'';position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 80% 20%,rgba(245,158,11,0.15) 0%,transparent 50%);pointer-events:none}.hero-img{border-radius:var(--card-radius);box-shadow:0 20px 40px rgba(0,0,0,0.3);object-fit:cover}.scores-ticker{background-color:#ffffff;border-bottom:2px solid var(--border-color);padding:15px 0}.score-card{background:var(--bg-light);border:1px solid var(--border-color);border-radius:8px;padding:10px 15px;min-width:260px;display:inline-block;margin-right:15px}.section-title{position:relative;padding-bottom:12px;margin-bottom:30px;font-weight:700;color:var(--primary-color)}.section-title::after{content:'';position:absolute;left:0;bottom:0;width:50px;height:4px;background:linear-gradient(90deg,var(--accent-usa),var(--accent-canada));border-radius:2px}.custom-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--card-radius);transition:all 0.3s ease;box-shadow:0 4px 6px rgba(0,0,0,0.02);overflow:hidden}.custom-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,0.05)}.group-badge{font-weight:bold;color:#fff;padding:4px 10px;border-radius:4px}.group-a{background-color:var(--accent-usa)}.group-b{background-color:var(--accent-mexico)}.group-c{background-color:var(--accent-canada)}.rules-timeline{border-left:3px solid var(--border-color);padding-left:20px;position:relative}.timeline-item{position:relative;margin-bottom:25px}.timeline-item::before{content:'';position:absolute;left:-27px;top:5px;width:12px;height:12px;border-radius:50%;background-color:var(--accent-gold);border:2px solid #fff}.accordion-button:not(.collapsed){background-color:var(--bg-light);color:var(--primary-color);box-shadow:none}.table-responsive{border-radius:var(--card-radius);overflow:hidden;border:1px solid var(--border-color)}footer{background-color:var(--primary-color);color:rgba(255,255,255,0.8);padding:60px 0 30px}footer a{color:rgba(255,255,255,0.7);text-decoration:none;transition:color 0.2s}footer a:hover{color:#ffffff}