:root{--primary-crimson:#7a0c16;--primary-crimson-dark:#54060e;--navy-dark:#0a192f;--navy-light:#162b4d;--gold-primary:#d4af37;--gold-light:#f3e5ab;--gold-dark:#aa820a;--text-main:#1e293b;--text-muted:#64748b;--bg-cream:#fdfbf7;--bg-white:#fff;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--border-color:#e2e8f0;--radius:12px;--shadow:0 10px 25px -5px #0a192f14, 0 8px 10px -6px #0a192f0a;--shadow-lg:0 20px 35px -10px #0a192f26}*{box-sizing:border-box;margin:0;padding:0;font-family:Montserrat,sans-serif}body{background-color:var(--bg-cream);color:var(--text-main);line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,.font-serif{letter-spacing:.5px;font-family:Cinzel,serif}.container{max-width:1240px;margin:0 auto;padding:0 24px}header{background:var(--navy-dark);border-bottom:3px solid var(--gold-primary);z-index:1000;position:sticky;top:0;box-shadow:0 4px 20px #00000040}.nav-container{justify-content:space-between;align-items:center;height:85px;display:flex}.brand-logo{color:#fff;cursor:pointer;align-items:center;gap:16px;text-decoration:none;display:flex}.crest-box{flex-shrink:0;justify-content:center;align-items:center;width:58px;height:72px;display:inline-flex}.crest-box svg,.crest-box img{object-fit:contain;filter:drop-shadow(0 2px 5px #00000080);width:100%;height:100%}.brand-text h1{color:var(--gold-light);font-size:1.25rem;font-weight:800;line-height:1.1}.brand-text span{color:#cbd5e1;text-transform:uppercase;letter-spacing:1.2px;margin-top:3px;font-size:.72rem;display:block}.nav-menu{align-items:center;gap:16px;list-style:none;display:flex}.nav-link{color:#f1f5f9;font-size:.88rem;font-weight:600;text-decoration:none;transition:color .3s}.nav-link:hover{color:var(--gold-primary)}.btn{cursor:pointer;border:none;border-radius:50px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:.85rem;font-weight:700;text-decoration:none;transition:all .3s;display:inline-flex}.btn-gold{background:linear-gradient(135deg, var(--gold-light), var(--gold-primary));color:var(--navy-dark);box-shadow:0 4px 15px #d4af374d}.btn-gold:hover{transform:translateY(-2px);box-shadow:0 6px 20px #d4af3773}.btn-whatsapp{color:#fff;background:#25d366;box-shadow:0 4px 15px #25d3664d}.btn-whatsapp:hover{background:#1ebe5d;transform:translateY(-2px)}.btn-crimson{background:var(--primary-crimson);color:#fff}.btn-crimson:hover{background:var(--primary-crimson-dark)}.btn-excel{color:#fff;background:#107c41;box-shadow:0 4px 12px #107c4140}.btn-excel:hover{background:#0e6b37;transform:translateY(-2px)}.btn-outline{border:1px solid var(--border-color);color:var(--navy-dark);background:#fff}.btn-outline:hover{background:#f1f5f9}.btn-danger{color:#dc2626;background:#fee2e2;border:1px solid #fca5a5}.btn-danger:hover{color:#fff;background:#dc2626}.hero{color:#fff;border-bottom:4px solid var(--gold-primary);background:linear-gradient(135deg,#0a192ff0,#54060eeb),url(https://images.unsplash.com/photo-1580582932707-520aed937b7b?auto=format&fit=crop&w=1920&q=80) 50%/cover;padding:85px 0 75px;position:relative}.hero-grid{grid-template-columns:1.25fr .75fr;align-items:center;gap:40px;display:grid}.badge-tag{border:1px solid var(--gold-primary);color:var(--gold-light);letter-spacing:1.5px;text-transform:uppercase;background:#d4af3726;border-radius:50px;margin-bottom:16px;padding:6px 16px;font-size:.78rem;font-weight:700;display:inline-block}.hero-title{color:#fff;margin-bottom:18px;font-size:2.7rem;font-weight:900;line-height:1.15}.hero-title span{color:var(--gold-primary)}.hero-desc{color:#e2e8f0;margin-bottom:26px;font-size:1.05rem}.hero-actions{flex-wrap:wrap;gap:14px;display:flex}.hero-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius);text-align:center;background:#ffffff0d;border:1px solid #d4af374d;padding:26px}.hero-card-crest{width:130px;height:160px;margin:0 auto 12px}.trust-bar{border-bottom:1px solid var(--border-color);background:#fff;padding:16px 0;box-shadow:0 4px 12px #00000008}.trust-bar-grid{grid-template-columns:repeat(4,1fr);gap:20px;display:grid}.trust-item{align-items:center;gap:12px;display:flex}.trust-icon{width:44px;height:44px;color:var(--primary-crimson);background:#f1f5f9;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:1.15rem;display:flex}.trust-text h5{color:var(--navy-dark);margin-bottom:2px;font-size:.85rem;font-weight:700}.trust-text p{color:var(--text-muted);font-size:.75rem;line-height:1.3}.section{padding:70px 0}.section-title{text-align:center;margin-bottom:35px}.section-title h2{color:var(--navy-dark);padding-bottom:12px;font-size:2.1rem;display:inline-block;position:relative}.section-title h2:after{content:"";background:var(--gold-primary);border-radius:2px;width:65px;height:4px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.section-title p{color:var(--text-muted);margin-top:8px;font-size:.95rem}.level-selector-nav{flex-wrap:wrap;justify-content:center;gap:16px;margin-bottom:32px;display:flex}.btn-level-tab{border:2px solid var(--border-color);color:var(--text-muted);cursor:pointer;background:#fff;border-radius:50px;align-items:center;gap:10px;padding:12px 26px;font-size:.95rem;font-weight:700;transition:all .3s;display:inline-flex}.btn-level-tab.active{background:var(--navy-dark);color:var(--gold-light);border-color:var(--navy-dark);box-shadow:0 4px 15px #0a192f33}.grades-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;display:grid}.grade-card{border-radius:var(--radius);border:1px solid var(--border-color);box-shadow:var(--shadow);background:#fff;flex-direction:column;transition:all .3s;display:flex;overflow:hidden}.grade-card:hover{box-shadow:var(--shadow-lg);border-color:var(--gold-primary);transform:translateY(-5px)}.grade-header{background:var(--navy-dark);color:#fff;border-bottom:3px solid var(--gold-primary);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.grade-header h3{color:var(--gold-light);font-size:1.12rem}.badge-vacantes{background:var(--primary-crimson);color:#fff;border-radius:20px;padding:4px 10px;font-size:.72rem;font-weight:700}.grade-body{flex-direction:column;flex-grow:1;padding:20px;display:flex}.grade-info-item{color:#334155;align-items:center;gap:10px;margin-bottom:8px;font-size:.88rem;display:flex}.grade-info-item i{color:var(--gold-dark);width:18px}.section-tags{flex-wrap:wrap;gap:8px;margin-top:auto;margin-bottom:18px;padding-top:12px;display:flex}.tag-section{color:var(--navy-dark);background:#f1f5f9;border:1px solid #cbd5e1;border-radius:6px;padding:4px 10px;font-size:.78rem;font-weight:700}.gallery-filter{flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px;display:flex}.btn-filter{border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;background:#fff;border-radius:30px;padding:8px 16px;font-size:.82rem;font-weight:600;transition:all .2s}.btn-filter.active,.btn-filter:hover{background:var(--navy-dark);color:var(--gold-primary);border-color:var(--navy-dark)}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.gallery-item{border-radius:var(--radius);aspect-ratio:4/3;box-shadow:var(--shadow);background:#000;position:relative;overflow:hidden}.gallery-item img{object-fit:cover;width:100%;height:100%;transition:transform .4s}.gallery-item:hover img{opacity:.85;transform:scale(1.08)}.gallery-overlay{color:#fff;opacity:0;background:linear-gradient(#0000,#0a192feb);flex-direction:column;justify-content:flex-end;padding:16px;transition:opacity .3s;display:flex;position:absolute;inset:0}.gallery-item:hover .gallery-overlay{opacity:1}.gallery-overlay h4{color:var(--gold-light);font-size:.95rem}.gallery-overlay span{color:#e2e8f0;font-size:.75rem}.modal-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:2000;background:#0a192fd9;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.lead-modal{border-radius:var(--radius);border:2px solid var(--gold-primary);background:#fff;width:100%;max-width:580px;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.lead-modal-header{background:var(--navy-dark);color:#fff;align-items:center;gap:15px;padding:18px 24px;display:flex;position:relative}.lead-modal-header h3{color:var(--gold-light);font-size:1.15rem}.modal-close{color:#fff;cursor:pointer;background:0 0;border:none;font-size:1.3rem;position:absolute;top:18px;right:18px}.lead-modal-body{max-height:80vh;padding:24px;overflow-y:auto}.form-group{margin-bottom:14px}.form-group label{color:#334155;margin-bottom:5px;font-size:.82rem;font-weight:600;display:block}.form-control{border:1px solid var(--border-color);border-radius:8px;width:100%;padding:10px 14px;font-size:.88rem;transition:border-color .2s}.form-control:focus{border-color:var(--primary-crimson);outline:none;box-shadow:0 0 0 3px #7a0c161a}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.erp-modal-wrapper{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2100;background:#0a192ff0;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.erp-container{border-radius:var(--radius);width:100%;max-width:1280px;height:92vh;box-shadow:var(--shadow-lg);border:2px solid var(--gold-primary);background:#fff;flex-direction:column;display:flex;overflow:hidden}.erp-header{background:var(--navy-dark);color:#fff;border-bottom:3px solid var(--gold-primary);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.erp-tabs{border-bottom:2px solid var(--border-color);background:#f8fafc;gap:6px;padding:0 20px;display:flex;overflow-x:auto}.erp-tab-btn{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:3px solid #0000;align-items:center;gap:7px;padding:14px 16px;font-size:.86rem;font-weight:700;transition:all .2s;display:flex}.erp-tab-btn.active{color:var(--primary-crimson);border-bottom-color:var(--primary-crimson);background:#fff}.erp-content{background-color:#fafafa;flex-grow:1;padding:24px;overflow-y:auto}.tab-pane{display:none}.tab-pane.active{display:block}.table-container{border:1px solid var(--border-color);background:#fff;border-radius:8px;overflow-x:auto;box-shadow:0 2px 6px #00000005}.data-table{border-collapse:collapse;text-align:left;width:100%;font-size:.86rem}.data-table th{color:var(--navy-dark);border-bottom:2px solid var(--border-color);background:#f1f5f9;padding:12px 14px;font-weight:700}.data-table td{color:#334155;border-bottom:1px solid #f1f5f9;padding:12px 14px}.data-table tr:hover{background-color:#f8fafc}.btn-legajo-badge{cursor:pointer;border-radius:6px;align-items:center;gap:6px;padding:4px 10px;font-size:.76rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-legajo-conforme{color:#059669;background:#ecfdf5;border:1px solid #a7f3d0}.btn-legajo-vacio{color:var(--text-muted);background:#f8fafc;border:1px dashed #cbd5e1}.file-dropzone{text-align:center;cursor:pointer;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:12px;margin-bottom:16px;padding:24px 20px;transition:all .3s}.file-dropzone:hover{border-color:var(--primary-crimson);background:#fef2f2}.preview-box{border:1px solid var(--border-color);background:#f1f5f9;border-radius:8px;align-items:center;gap:14px;margin-bottom:16px;padding:10px 14px;display:flex}.preview-thumb{object-fit:cover;border:1px solid #cbd5e1;border-radius:6px;width:75px;height:55px}.erp-gallery-items-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:15px;display:grid}.erp-media-box{border:1px solid var(--border-color);background:#fff;border-radius:10px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 2px 8px #0000000f}.erp-media-box img{object-fit:cover;width:100%;height:145px}.erp-media-details{flex-direction:column;flex-grow:1;justify-content:space-between;padding:12px;display:flex}.btn-delete-erp{color:#dc2626;cursor:pointer;background:#fee2e2;border:1px solid #fca5a5;border-radius:6px;justify-content:center;align-items:center;gap:6px;width:100%;margin-top:8px;padding:6px 10px;font-size:.78rem;font-weight:700;display:flex}.btn-delete-erp:hover{color:#fff;background:#dc2626}.filter-bar-alumnos{border:1px solid var(--border-color);background:#fff;border-radius:8px;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:16px;padding:16px;display:flex}.backup-box-grid{grid-template-columns:1fr 1fr;gap:24px;margin-top:10px;display:grid}.backup-card{border:1px solid var(--border-color);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;flex-direction:column;justify-content:space-between;padding:24px;display:flex}.checkbox-grid{border:1px solid var(--border-color);background:#f8fafc;border-radius:8px;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:18px;padding:16px;display:grid}.checkbox-item{color:#334155;cursor:pointer;align-items:center;gap:8px;font-size:.84rem;display:flex}.checkbox-item input{accent-color:#107c41;cursor:pointer;width:16px;height:16px}footer{background:var(--navy-dark);color:#fff;border-top:4px solid var(--gold-primary);padding:55px 0 28px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:35px;display:grid}.footer-about p{color:#94a3b8;margin-top:12px;font-size:.88rem}.footer-col h4{color:var(--gold-light);margin-bottom:16px;font-size:1.05rem}.footer-links{list-style:none}.footer-links li{margin-bottom:8px}.footer-links a{color:#94a3b8;font-size:.88rem;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--gold-primary)}.footer-bottom{text-align:center;color:#64748b;border-top:1px solid #ffffff1a;padding-top:22px;font-size:.82rem}.auth-box{border-radius:var(--radius);border-top:5px solid var(--gold-primary);text-align:center;background:#fff;width:100%;max-width:440px;padding:35px 30px;box-shadow:0 20px 40px #0006}.admin-container{flex-grow:1;width:100%;max-width:1360px;margin:30px auto;padding:0 20px}.stats-bar{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:30px;display:grid}.stat-card{border:1px solid var(--border-color);border-radius:var(--radius);background:#fff;justify-content:space-between;align-items:center;padding:20px;display:flex;box-shadow:0 2px 8px #00000008}.stat-card h3{color:var(--primary-crimson);margin-top:4px;font-size:1.8rem}.stat-card p{color:var(--text-muted);text-transform:uppercase;font-size:.8rem;font-weight:700}.stat-icon{color:var(--gold-primary);font-size:2.2rem}.actions-panel{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px;display:flex}.badge-status{text-transform:uppercase;border-radius:50px;padding:4px 10px;font-size:.72rem;font-weight:800;display:inline-block}.status-activo{color:#03543f;background:#def7ec}.status-suspendido{color:#9b1c1c;background:#fde8e8}.status-prueba{color:#713f12;background:#fef08a}.logo-thumb{object-fit:contain;border:1px solid var(--border-color);background:#fff;border-radius:6px;width:44px;height:44px;padding:2px}.director-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;margin-bottom:14px;padding:14px}.director-box h4{color:var(--navy-dark);align-items:center;gap:8px;margin-bottom:8px;font-size:.88rem;display:flex}@media (max-width:900px){.hero-grid,.footer-grid,.backup-box-grid{grid-template-columns:1fr}.nav-menu{display:none}.checkbox-grid{grid-template-columns:1fr}}