:root{--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0a192f;--text-main:#1e293b;--text-muted:#64748b;--accent-usa:#0a2540;--accent-can:#da291c;--accent-mex:#006847;--accent:#0d6efd;--accent-hover:#0b5ed7;--border:#e2e8f0;--card-radius:12px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background-color:var(--page-bg);color:var(--text-main);overflow-x:hidden;line-height:1.6}.custom-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--card-radius);box-shadow:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -1px rgba(0,0,0,0.03);transition:transform 0.2s ease,box-shadow 0.2s ease}.custom-card:hover{transform:translateY(-2px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.navbar-brand img{max-height:40px}.nav-link{color:var(--text-main) !important;font-weight:500}.nav-link:hover{color:var(--accent) !important}.hero-section{background:linear-gradient(135deg,#0a192f 0%,#172a45 100%);color:#ffffff;padding:80px 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(13,110,253,0.15) 0%,transparent 50%);pointer-events:none}.hero-title{font-size:2.5rem;font-weight:800;line-height:1.25;margin-bottom:1.5rem}.hero-title span{background:linear-gradient(45deg,#ff4d4d,#4d94ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-img{border-radius:var(--card-radius);box-shadow:0 20px 25px -5px rgba(0,0,0,0.3);object-fit:cover}.team-flag{width:28px;height:20px;object-fit:cover;border-radius:2px;box-shadow:0 1px 3px rgba(0,0,0,0.15);display:inline-block;vertical-align:middle}.group-card{border-top:4px solid var(--accent)}.group-card-usa{border-top-color:var(--accent-usa)}.group-card-can{border-top-color:var(--accent-can)}.group-card-mex{border-top-color:var(--accent-mex)}.timeline-item{position:relative;padding-left:30px;border-left:2px solid var(--border);margin-bottom:20px}.timeline-item::before{content:'';position:absolute;left:-6px;top:5px;width:10px;height:10px;border-radius:50%;background-color:var(--accent)}.accordion-button:not(.collapsed){background-color:rgba(13,110,253,0.08);color:var(--accent)}footer{background-color:var(--surface-strong);color:#94a3b8}footer a{color:#cbd5e1;text-decoration:none}footer a:hover{color:#ffffff}@media (max-width:768px){.hero-title{font-size:1.8rem}.hero-section{padding:40px 0}.table-responsive{border:0}}