:root{--primary-rgb:13,110,253;--accent-rgb:25,135,84;--bg-gradient:linear-gradient(135deg,#0f2027,#203a43,#2c5364);--card-bg:#ffffff;--text-main:#212529;--text-muted:#6c757d;--border-color:#dee2e6;--accent-gold:#ffc107}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text-main);background-color:#f4f6f9;line-height:1.6}.navbar-brand img{max-height:40px}.header-nav{box-shadow:0 2px 10px rgba(0,0,0,0.1);background:#ffffff}.hero-section{background:var(--bg-gradient);color:#ffffff;padding:80px 0;position:relative;overflow:hidden}.hero-section::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.4);z-index:1}.hero-content{position:relative;z-index:2}.hero-title{font-weight:800;font-size:2.8rem;text-shadow:2px 2px 4px rgba(0,0,0,0.6)}.section-title{position:relative;padding-bottom:12px;margin-bottom:30px;font-weight:700}.section-title::after{content:'';position:absolute;left:0;bottom:0;width:50px;height:4px;background-color:rgb(var(--primary-rgb));border-radius:2px}.card-custom{border:none;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:transform 0.3s ease,box-shadow 0.3s ease;background:var(--card-bg);margin-bottom:20px}.card-custom:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}.score-bar{background:#ffffff;border-radius:10px;border-left:5px solid rgb(var(--primary-rgb))}.table-responsive-custom{overflow-x:auto;-webkit-overflow-scrolling:touch}.accordion-button:not(.collapsed){background-color:rgba(var(--primary-rgb),0.1);color:rgb(var(--primary-rgb))}.guide-card{background:linear-gradient(135deg,#ffffff,#f1f3f5);border-left:4px solid var(--accent-gold)}footer{background-color:#111;color:#ccc}footer a{color:#aaa;text-decoration:none}footer a:hover{color:#fff}