:root{--primary-color:#0d6efd;--secondary-color:#dc3545;--accent-green:#198754;--dark-blue:#0b1a30;--light-bg:#f8f9fa;--card-shadow:0 4px 12px rgba(0,0,0,0.08);--transition-smooth:all 0.3s ease}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:#333;background-color:var(--light-bg);scroll-behavior:smooth}.navbar-custom{background-color:var(--dark-blue);box-shadow:0 2px 10px rgba(0,0,0,0.15)}.navbar-custom .navbar-brand{font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}.navbar-custom .navbar-brand img{height:40px;width:auto}.navbar-custom .nav-link{color:rgba(255,255,255,0.85) !important;font-weight:500;transition:var(--transition-smooth)}.navbar-custom .nav-link:hover{color:var(--secondary-color) !important}.hero-section{background:linear-gradient(135deg,var(--dark-blue) 40%,#1a365d 100%);color:#fff;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(220,53,69,0.15),transparent 50%);pointer-events:none}.hero-title{font-size:2.8rem;font-weight:800;line-height:1.2;margin-bottom:20px}.hero-tag{background:var(--secondary-color);color:#fff;padding:6px 12px;border-radius:4px;font-size:0.9rem;font-weight:bold;display:inline-block;margin-bottom:15px}.hero-img{max-width:100%;height:auto;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,0.3)}.section-header{margin-bottom:45px;text-align:center}.section-header h2{font-weight:800;color:var(--dark-blue);position:relative;display:inline-block;padding-bottom:12px}.section-header h2::after{content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:60px;height:4px;background-color:var(--secondary-color);border-radius:2px}.section-header p{color:#6c757d;margin-top:10px}.group-card{background:#fff;border-radius:10px;box-shadow:var(--card-shadow);border:1px solid rgba(0,0,0,0.05);transition:var(--transition-smooth);overflow:hidden}.group-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px rgba(0,0,0,0.12)}.group-header{background-color:var(--dark-blue);color:#fff;padding:12px 15px;font-weight:700;text-align:center}.group-list{list-style:none;padding:0;margin:0}.group-item{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;border-bottom:1px solid #f1f1f1}.group-item:last-child{border-bottom:none}.schedule-table-wrapper{background:#fff;border-radius:12px;padding:20px;box-shadow:var(--card-shadow)}.table-schedule th{background-color:#f1f3f5;color:var(--dark-blue);font-weight:700}.score-card{background:linear-gradient(to right,#ffffff,#fdfdfd);border-left:5px solid var(--primary-color);border-radius:8px;padding:20px;box-shadow:var(--card-shadow);margin-bottom:15px}.score-status{font-size:0.85rem;font-weight:bold;color:var(--accent-green)}.score-team{font-weight:700;font-size:1.1rem}.card-custom{border:none;border-radius:12px;box-shadow:var(--card-shadow);transition:var(--transition-smooth)}.card-custom:hover{transform:translateY(-5px)}.guide-box{background-color:#fff;border-radius:12px;padding:30px;box-shadow:var(--card-shadow)}.accordion-button:not(.collapsed){background-color:rgba(13,110,253,0.05);color:var(--primary-color)}.sticky-sidebar{position:sticky;top:90px;z-index:100}footer{background-color:var(--dark-blue);color:#a0aec0;padding:60px 0 30px 0;font-size:0.95rem}footer h5{color:#fff;font-weight:700;margin-bottom:20px}footer a{color:#a0aec0;text-decoration:none;transition:var(--transition-smooth)}footer a:hover{color:#fff}