:root{--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0b1528;--text-main:#1e293b;--text-muted:#64748b;--accent-usa:#0a36af;--accent-mex:#006847;--accent-can:#da291c;--accent:#1062de;--accent-light:#e6effe;--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);line-height:1.6}a{text-decoration:none;color:var(--accent);transition:color 0.25s ease}a:hover{color:var(--accent-usa)}.header-nav{background-color:var(--surface-strong);box-shadow:0 2px 10px rgba(0,0,0,0.1);position:sticky;top:0;z-index:1030}.header-nav .navbar-brand{display:flex;align-items:center;font-weight:700;color:#ffffff;font-size:1.25rem}.header-nav .navbar-brand img{max-height:40px;margin-right:10px}.header-nav .nav-link{color:rgba(255,255,255,0.85);font-weight:500;padding:0.5rem 1rem;transition:color 0.2s}.header-nav .nav-link:hover,.header-nav .nav-link.active{color:#ffffff;background-color:rgba(255,255,255,0.1);border-radius:6px}.section-padding{padding:70px 0}.section-title{position:relative;padding-bottom:12px;margin-bottom:35px;font-weight:700;color:var(--text-main)}.section-title::after{content:'';position:absolute;left:0;bottom:0;width:50px;height:4px;background:linear-gradient(90deg,var(--accent-usa),var(--accent-mex),var(--accent-can));border-radius:2px}.section-title-center{text-align:center}.section-title-center::after{left:50%;transform:translateX(-50%)}.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);transition:transform 0.3s ease,box-shadow 0.3s ease;overflow:hidden;height:100%}.custom-card:hover{transform:translateY(-5px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.hero-section{background:linear-gradient(135deg,#0b1528 0%,#1a305c 100%);color:#ffffff;padding:80px 0;position:relative;overflow:hidden}.hero-section h1{font-size:2.8rem;font-weight:800;line-height:1.25;margin-bottom:20px;background:linear-gradient(120deg,#ffffff,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-meta-badge{display:inline-flex;gap:10px;margin-bottom:20px}.hero-badge{padding:6px 14px;border-radius:30px;font-size:0.85rem;font-weight:600;color:#fff}.badge-usa{background-color:var(--accent-usa)}.badge-mex{background-color:var(--accent-mex)}.badge-can{background-color:var(--accent-can)}.hero-img-wrap{position:relative;border-radius:var(--card-radius);overflow:hidden;box-shadow:0 20px 25px -5px rgba(0,0,0,0.3)}.hero-img-wrap img{width:100%;height:auto;object-fit:cover}.stats-grid{margin-top:-40px;position:relative;z-index:10}.stats-card{background:var(--surface);border-radius:var(--card-radius);padding:24px;text-align:center;box-shadow:0 10px 15px -3px rgba(0,0,0,0.1);border:1px solid var(--border)}.stats-num{font-size:2.2rem;font-weight:800;color:var(--accent);line-height:1;margin-bottom:8px}.stats-label{font-size:0.95rem;color:var(--text-muted);font-weight:500}.schedule-table-container{background:var(--surface);border-radius:var(--card-radius);border:1px solid var(--border);overflow-x:auto}.schedule-table{margin-bottom:0;white-space:nowrap}.schedule-table th{background-color:#f8fafc;color:var(--text-main);font-weight:600;border-bottom:2px solid var(--border);padding:16px}.schedule-table td{padding:16px;vertical-align:middle;border-bottom:1px solid var(--border)}.team-flag-name{display:inline-flex;align-items:center;gap:8px;font-weight:600}.vs-badge{background:var(--accent-light);color:var(--accent);padding:4px 10px;border-radius:4px;font-weight:bold;font-size:0.85rem}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.group-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden}.group-header{background:var(--surface-strong);color:#ffffff;padding:12px 16px;font-weight:bold;display:flex;justify-content:space-between;align-items:center}.group-list{list-style:none;padding:0;margin:0}.group-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.group-item:last-child{border-bottom:none}.team-card{position:relative;overflow:hidden;border-radius:var(--card-radius)}.team-card-banner{height:120px;background:linear-gradient(45deg,var(--accent-usa),var(--accent-mex))}.team-card-banner.usa{background:linear-gradient(135deg,#0a36af,#022c94)}.team-card-banner.mex{background:linear-gradient(135deg,#006847,#004d34)}.team-card-banner.can{background:linear-gradient(135deg,#da291c,#b31d14)}.team-card-banner.arg{background:linear-gradient(135deg,#75aadb,#528fc8)}.team-card-avatar{width:70px;height:70px;border-radius:50%;background:#fff;border:3px solid #fff;margin:-35px auto 10px auto;display:flex;align-items:center;justify-content:center;font-size:2rem;box-shadow:0 4px 6px rgba(0,0,0,0.1)}.team-card-body{padding:20px;text-align:center}.guide-box{display:flex;flex-direction:column;justify-content:space-between;height:100%}.img-featured{border-radius:var(--card-radius);width:100%;height:240px;object-fit:cover;margin-bottom:20px}.rule-step{position:relative;padding-left:50px;margin-bottom:30px}.rule-step::before{content:attr(data-step);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background-color:var(--accent);color:#ffffff;font-weight:700;display:flex;align-items:center;justify-content:center}.news-list-item{display:flex;gap:15px;padding:15px 0;border-bottom:1px solid var(--border)}.news-list-item:last-child{border-bottom:none}.news-date{font-size:0.85rem;color:var(--text-muted);min-width:80px}.accordion-button:not(.collapsed){background-color:var(--accent-light);color:var(--accent)}.footer-sec{background-color:var(--surface-strong);color:rgba(255,255,255,0.8);padding:60px 0 30px;font-size:0.95rem}.footer-sec h4{color:#ffffff;font-size:1.15rem;font-weight:700;margin-bottom:20px}.footer-sec a{color:rgba(255,255,255,0.7)}.footer-sec a:hover{color:#ffffff}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;margin-top:40px;font-size:0.85rem}@media (max-width:768px){.hero-section{padding:50px 0;text-align:center}.hero-section h1{font-size:2rem}.hero-meta-badge{justify-content:center}.stats-grid{margin-top:10px}.section-padding{padding:45px 0}}