:root{--page-bg:#f8fafc;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--text-light:#f8fafc;--accent:#0284c7;--accent-hover:#0369a1;--accent-2:#ef4444;--border:#e2e8f0;--card-radius:12px}body{background-color:var(--page-bg);color:var(--text-main);font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden;line-height:1.6}.navbar-custom{background-color:var(--surface-strong);padding:0.8rem 1rem;position:sticky;top:0;z-index:1030;border-bottom:2px solid var(--accent)}.navbar-custom .navbar-brand{color:var(--text-light);font-weight:700;display:flex;align-items:center;gap:10px}.navbar-custom .navbar-brand img{max-height:40px}.navbar-custom .nav-link{color:#cbd5e1;font-weight:500;transition:color 0.3s ease}.navbar-custom .nav-link:hover,.navbar-custom .nav-link.active{color:#ffffff}.worldcup-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 0.2s ease,box-shadow 0.2s ease;overflow:hidden}.worldcup-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1)}section{padding:5rem 0;border-bottom:1px solid var(--border)}section:nth-of-type(even){background-color:#f1f5f9}.section-title{position:relative;font-weight:800;color:var(--surface-strong);margin-bottom:3rem;padding-bottom:1rem}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:4px;background-color:var(--accent);border-radius:2px}.hero-banner{background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 100%);color:var(--text-light);padding:6rem 0;position:relative}.hero-banner h1{font-weight:800;font-size:2.8rem;line-height:1.2;color:#ffffff}.hero-banner p{font-size:1.15rem;color:#cbd5e1}.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);object-fit:cover}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.group-badge{background-color:var(--accent);color:var(--text-light);font-weight:700;padding:0.25rem 0.75rem;border-radius:4px}.match-item{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--surface);border-bottom:1px solid var(--border);transition:background 0.2s}.match-item:hover{background:#f8fafc}.team-flag-box{display:flex;align-items:center;gap:10px;font-weight:600;width:35%}.team-flag-box.right{justify-content:flex-end;text-align:right}.match-score-status{width:30%;text-align:center}.score-pill{background:var(--surface-strong);color:var(--text-light);font-weight:700;padding:0.3rem 0.8rem;border-radius:20px;font-size:0.95rem}.match-status{font-size:0.75rem;color:var(--text-muted);margin-top:4px}.team-card{text-align:center;padding:2rem 1rem}.team-card .team-icon{font-size:2.5rem;color:var(--accent);margin-bottom:1rem}.table-responsive-custom{overflow-x:auto;-webkit-overflow-scrolling:touch}.accordion-button:not(.collapsed){background-color:#e0f2fe;color:#0369a1}footer{background-color:var(--surface-strong);color:#94a3b8;padding:4rem 0 2rem;font-size:0.9rem}footer a{color:#cbd5e1;text-decoration:none}footer a:hover{color:#ffffff}