:root{--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0a192f;--text-main:#1e293b;--text-muted:#64748b;--accent:#0284c7;--accent-2:#ef4444;--accent-green:#10b981;--border:#e2e8f0;--card-shadow:0 10px 15px -3px rgba(0,0,0,0.05),0 4px 6px -4px rgba(0,0,0,0.05);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}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}.custom-card{background-color:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--card-shadow);transition:var(--transition);overflow:hidden}.custom-card:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px rgba(0,0,0,0.1)}.navbar-custom{background-color:var(--surface-strong);padding:0.8rem 1.5rem;position:sticky;top:0;z-index:1000;box-shadow:0 4px 10px rgba(0,0,0,0.1)}.navbar-custom .navbar-brand{font-weight:800;font-size:1.4rem;color:#ffffff;display:flex;align-items:center;gap:10px}.navbar-custom .navbar-brand img{height:40px;width:auto}.navbar-custom .nav-link{color:rgba(255,255,255,0.8);font-weight:500;margin:0 0.5rem;transition:var(--transition)}.navbar-custom .nav-link:hover,.navbar-custom .nav-link.active{color:var(--accent)}.hero-section{background:linear-gradient(135deg,#0a192f 0%,#172a45 100%);color:#ffffff;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:2.8rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;background:linear-gradient(to right,#ffffff,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-img{border-radius:12px;box-shadow:0 20px 40px rgba(0,0,0,0.3);border:4px solid rgba(255,255,255,0.1)}.data-grid-item{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:8px;padding:1.2rem;text-align:center}.data-grid-number{font-size:2rem;font-weight:700;color:#38bdf8}.section-title{font-size:2rem;font-weight:700;margin-bottom:2rem;position:relative;display:inline-block;padding-bottom:0.5rem}.section-title::after{content:'';position:absolute;left:0;bottom:0;width:50px;height:4px;background-color:var(--accent);border-radius:2px}.score-row{background:var(--surface);border-left:5px solid var(--accent);padding:1rem;margin-bottom:1rem;border-radius:0 8px 8px 0;display:flex;align-items:center;justify-content:space-between;transition:var(--transition)}.score-row:hover{transform:scale(1.01)}.team-badge{font-weight:600;display:flex;align-items:center;gap:10px}.team-score{font-size:1.5rem;font-weight:700;color:var(--text-main);background:var(--page-bg);padding:0.2rem 0.8rem;border-radius:4px}.group-card{border-top:4px solid var(--accent)}.group-table th{background-color:#f1f5f9;color:var(--text-main)}.guide-box{background:var(--surface);padding:2rem;border-radius:12px;height:100%}.accordion-item{border:none;margin-bottom:0.8rem;border-radius:8px !important;overflow:hidden;box-shadow:var(--card-shadow)}.accordion-button{font-weight:600;background-color:var(--surface);color:var(--text-main)}.accordion-button:not(.collapsed){background-color:#e0f2fe;color:var(--accent)}.footer-custom{background-color:var(--surface-strong);color:rgba(255,255,255,0.7);padding:4rem 0 2rem 0;border-top:5px solid var(--accent-2)}.footer-custom a{color:rgba(255,255,255,0.8);text-decoration:none;transition:var(--transition)}.footer-custom a:hover{color:var(--accent)}