:root{--brand-us-blue:#0A192F;--brand-mx-green:#006847;--brand-ca-red:#CE1126;--page-bg:#f4f6f9;--surface:#ffffff;--surface-strong:#0f172a;--text-main:#1e293b;--text-muted:#64748b;--accent-gold:#f59e0b;--accent-blue:#2563eb;--border:#e2e8f0;--border-hover:#cbd5e1}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;background-color:var(--page-bg);color:var(--text-main);line-height:1.6}.card-custom{background-color:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:0 4px 6px -1px rgba(0,0,0,0.05);transition:transform 0.2s,box-shadow 0.2s;overflow:hidden}.card-custom:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px rgba(0,0,0,0.1);border-color:var(--border-hover)}.navbar-custom{background-color:var(--surface-strong);box-shadow:0 2px 4px rgba(0,0,0,0.1)}.navbar-custom .navbar-brand{color:#ffffff;font-weight:700}.navbar-custom .nav-link{color:rgba(255,255,255,0.85);font-weight:500;transition:color 0.2s}.navbar-custom .nav-link:hover{color:var(--accent-gold)}.hero-section{background:linear-gradient(135deg,#0A192F 0%,#172A45 100%);color:#ffffff;padding:80px 0;position:relative;overflow:hidden}.hero-section::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:30px;background:linear-gradient(to top,var(--page-bg),transparent)}.hero-img{border-radius:14px;box-shadow:0 20px 25px -5px rgba(0,0,0,0.3);object-fit:cover}.score-strip{background:linear-gradient(90deg,var(--brand-us-blue) 0%,var(--brand-mx-green) 50%,var(--brand-ca-red) 100%);color:white;padding:12px 0}.score-item{border-right:1px solid rgba(255,255,255,0.2);padding:0 20px}.score-item:last-child{border-right:none}.group-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.group-card{border-top:4px solid var(--accent-blue)}.group-card.group-a{border-color:var(--brand-us-blue)}.group-card.group-b{border-color:var(--brand-ca-red)}.group-card.group-c{border-color:var(--brand-mx-green)}.timeline-container{position:relative;padding-left:30px}.timeline-container::before{content:'';position:absolute;left:9px;top:0;height:100%;width:2px;background-color:var(--border)}.timeline-item{position:relative;margin-bottom:25px}.timeline-item::before{content:'';position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;background-color:var(--accent-blue);border:3px solid #ffffff}.faq-button{background:none;border:none;width:100%;text-align:left;padding:15px 20px;font-weight:600;color:var(--text-main);display:flex;justify-content:space-between;align-items:center}.faq-button:focus{outline:none}.mobile-scroll{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:15px;padding-bottom:15px}.mobile-scroll::-webkit-scrollbar{height:6px}.mobile-scroll::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,0.1);border-radius:3px}footer{background-color:var(--surface-strong);color:rgba(255,255,255,0.7);padding:60px 0 30px 0}footer a{color:rgba(255,255,255,0.85);text-decoration:none}footer a:hover{color:var(--accent-gold)}section{padding:60px 0}.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;border-radius:2px;background-color:var(--accent-blue)}.section-title-center{text-align:center}.section-title-center::after{left:50%;transform:translateX(-50%)}