:root{--primary-color: #0f172a;--secondary-color: #2563eb;--accent-color: #10b981;--text-light: #f9fafb;--text-dark: #1f2937;--muted-color: #94a3b8;--bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--font-title: "Poppins", sans-serif;--font-body: "Inter", sans-serif;--border-radius: 16px;--section-padding: 60px 20px;--transition: .3s ease}body{margin:0;padding:0;font-family:var(--font-body);background:var(--bg-gradient);color:var(--text-light);line-height:1.6;overflow-x:hidden;scroll-behavior:smooth}.background-image{height:600px;width:100%;background:url(/img/banner.png) no-repeat center center / cover;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 20px}.background-image h1{font-size:4rem;font-family:var(--font-title);font-weight:700;margin-bottom:.5rem;color:var(--text-light)}.background-image p{font-size:1.5rem;font-weight:400;margin-bottom:2rem;color:var(--text-light)}.background-image a{display:inline-block;padding:12px 24px;background:var(--btn-bg);border-radius:var(--border-radius);color:var(--text-light)}.background-image:after{content:"";position:absolute;inset:0;background:#0f172ad3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.title,.subtitle{position:relative;z-index:1;text-shadow:0 4px 20px rgba(0,0,0,.5)}.title{font-family:var(--font-title);font-size:clamp(2.5rem,6vw,4rem);margin-bottom:16px}.subtitle{font-size:1.8rem;font-weight:500;color:var(--accent-color)}.description{font-size:1.1rem;max-width:700px;margin:20px auto 0;color:#e2e8f0;opacity:.9}.comenzar{margin-top:40px;display:inline-block;background:transparent;border:2px solid var(--accent-color);padding:12px 30px;border-radius:9999px;color:var(--accent-color);font-weight:600;font-size:1rem;text-decoration:none;transition:all var(--transition)}.comenzar:hover{background:var(--accent-color);color:var(--text-light);transform:translateY(-2px)}.card-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;padding:var(--section-padding);max-width:1200px;margin:0 auto}.card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--border-radius);padding:24px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 8px 32px #0003;transition:transform var(--transition),box-shadow var(--transition)}.card:hover{transform:translateY(-8px);box-shadow:0 12px 48px #00000059}.card h2{font-size:1.6rem;font-weight:600;margin-bottom:16px;border-bottom:1px solid var(--glass-border);padding-bottom:8px}.card p{font-size:1rem;opacity:.95;margin-bottom:12px}.card .price{font-size:2rem;color:var(--accent-color);font-weight:700;margin:20px 0}.card ul{list-style:none;padding:0;margin:0 0 20px}.card ul li{margin-bottom:10px;font-size:.95rem;padding-left:20px;position:relative}.card ul li:before{content:"✓";position:absolute;left:0;color:var(--accent-color);font-weight:700}.card button{background:var(--secondary-color);color:#fff;padding:12px 20px;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;width:100%;transition:background var(--transition),transform var(--transition)}.card button:hover{background:var(--accent-color);transform:scale(1.03)}.centered-image{max-width:250px;margin:40px auto;display:block;border-radius:var(--border-radius);box-shadow:0 6px 24px #0006;transition:transform var(--transition)}.centered-image:hover{transform:scale(1.05)}.final{background:linear-gradient(135deg,#1e293b,#0f172a);padding:var(--section-padding);text-align:center}.subtfinal{font-size:1.8rem;font-weight:700;margin-bottom:10px}.descfinal{font-size:1.1rem;color:#d1d5db;opacity:.9}.back-link{margin-top:40px;text-align:center}.back-link a{color:var(--accent-color);text-decoration:none;font-size:1.1rem;border-bottom:1px solid transparent;transition:border-bottom var(--transition)}.back-link a:hover{border-bottom:1px solid var(--accent-color)}.footer,.contact-info{text-align:center;font-size:.95rem;color:var(--muted-color);padding:30px 0}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}