:root{--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0a192f;--text-main:#1e293b;--text-muted:#64748b;--text-light:#f8fafc;--accent:#0284c7;--accent-red:#ef4444;--accent-green:#10b981;--accent-gold:#f59e0b;--border:#e2e8f0;--border-light:rgba(255,255,255,0.1);--card-radius:12px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}body{background-color:var(--page-bg);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",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-red)}.custom-card{background:var(--surface);border-radius:var(--card-radius);border:1px solid var(--border);padding:1.5rem;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05),0 2px 4px -1px rgba(0,0,0,0.03);transition:var(--transition)}.custom-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}.navbar{background-color:var(--surface-strong);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-light);padding:0.8rem 1rem;z-index:1000}.navbar-brand img{max-height:40px;margin-right:10px}.nav-link{color:var(--text-light) !important;font-weight:500;padding:0.5rem 1rem !important;border-radius:6px;transition:var(--transition)}.nav-link:hover,.nav-link.active{background-color:rgba(255,255,255,0.1);color:var(--accent-gold) !important}.hero-section{background:linear-gradient(135deg,#0a192f 0%,#172a45 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(2,132,199,0.15) 0%,transparent 50%);pointer-events:none}.hero-title{font-size:2.5rem;font-weight:800;line-height:1.25;margin-bottom:1.5rem;background:linear-gradient(to right,#ffffff,#93c5fd);-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);border:4px solid rgba(255,255,255,0.1);width:100%;height:auto;object-fit:cover}.scores-ticker{background:var(--surface-strong);color:var(--text-light);padding:1rem 0;border-bottom:4px solid var(--accent)}.score-card{background:rgba(255,255,255,0.05);border-radius:8px;padding:0.75rem 1.2rem;min-width:260px;margin-right:1rem;display:inline-block;border:1px solid var(--border-light)}.score-status{font-size:0.75rem;color:var(--accent-gold);text-transform:uppercase;font-weight:bold}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.group-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden}.group-header{background:var(--accent);color:var(--text-light);padding:0.75rem 1rem;font-weight:bold;display:flex;justify-content:space-between;align-items:center}.group-header.usa{background:#002868}.group-header.mex{background:#006847}.group-header.can{background:#da291c}.group-table{width:100%;margin-bottom:0}.group-table th,.group-table td{padding:0.5rem 0.75rem;font-size:0.875rem}.team-badge{display:flex;align-items:center;gap:0.75rem;padding:0.75rem;border-radius:8px;background:var(--page-bg);border:1px solid var(--border);transition:var(--transition)}.team-badge:hover{background:var(--surface);box-shadow:0 4px 6px -1px rgba(0,0,0,0.05);border-color:var(--accent)}.stadium-card{position:relative;border-radius:var(--card-radius);overflow:hidden;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05)}.stadium-img{width:100%;height:320px;object-fit:cover;transition:var(--transition)}.stadium-card:hover .stadium-img{transform:scale(1.05)}.stadium-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,0.85) 0%,rgba(0,0,0,0.4) 70%,transparent 100%);color:var(--text-light);padding:1.5rem}.schedule-timeline{position:relative;padding-left:2rem;border-left:2px solid var(--border)}.schedule-node{position:relative;margin-bottom:2rem}.schedule-node::before{content:'';position:absolute;left:calc(-2rem - 6px);top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);box-shadow:0 0 0 4px rgba(2,132,199,0.2)}.schedule-node.active::before{background:var(--accent-red);box-shadow:0 0 0 4px rgba(239,68,68,0.2)}details{background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:0.75rem;padding:1rem;transition:var(--transition)}details[open]{border-color:var(--accent);box-shadow:0 4px 6px -1px rgba(0,0,0,0.05)}summary{font-weight:600;cursor:pointer;outline:none;user-select:none;list-style:none;display:flex;justify-content:space-between;align-items:center}summary::-webkit-details-marker{display:none}summary::after{content:'\F282';font-family:'bootstrap-icons';transition:transform 0.2s ease}details[open] summary::after{transform:rotate(180deg)}.horizontal-scroll-container{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:0.5rem}.horizontal-scroll-container::-webkit-scrollbar{height:6px}.horizontal-scroll-container::-webkit-scrollbar-thumb{background-color:var(--border);border-radius:3px}footer{background:var(--surface-strong);color:var(--text-light);border-top:4px solid var(--accent-red)}footer a{color:var(--text-muted)}footer a:hover{color:var(--text-light)}@media (max-width:768px){.hero-title{font-size:2rem}.hero-section{padding:3rem 0}}