:root{--bg-body:#f1f5f9;--bg-card:#fffffff2;--text-main:#1e293b;--text-light:#64748b;--input-bg:#fff;--input-border:#cbd5e1;--primary:#dc2626;--primary-dark:#b91c1c;--primary-light:#ef4444;--success:#22c55e;--error:#ef4444;--shadow-lg:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--glass-border:1px solid #ffffff80;--font-sans:"Inter", sans-serif;--font-display:"Oswald", sans-serif}[data-theme=dark]{--bg-body:#020617;--bg-card:#1e293bf2;--text-main:#f8fafc;--text-light:#94a3b8;--input-bg:#0f172a;--input-border:#334155;--shadow-lg:0 20px 25px -5px #00000080;--glass-border:1px solid #ffffff0d}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;font-family:var(--font-sans);color:var(--text-main);justify-content:center;align-items:center;padding:2rem;transition:color .3s;display:flex;position:relative;overflow-x:hidden}.page-bg{z-index:-2;filter:blur(5px);background:url(./portada-cajas-BaQxwFq0.webp) 50%/cover no-repeat;position:fixed;inset:0;transform:scale(1.05)}.page-overlay{z-index:-1;background:linear-gradient(135deg,#0f172ae6,#dc26261a);position:fixed;inset:0}h1,h2,h3{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.5px;font-weight:700}.container{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:var(--glass-border);box-shadow:var(--shadow-lg);border-radius:1.5rem;width:100%;max-width:800px;padding:3rem;animation:.8s cubic-bezier(.2,.8,.2,1) fadeInUp;position:relative;overflow:hidden}.container:before{content:"";background:linear-gradient(90deg, var(--primary), var(--primary-dark));height:5px;position:absolute;top:0;left:0;right:0}.header{text-align:center;margin-bottom:2.5rem}.logo-display{justify-content:center;align-items:center;gap:.5rem;margin-bottom:1.5rem;display:flex}.logo-symbol{background:var(--primary);color:#fff;font-family:var(--font-display);border-radius:4px;padding:.2rem .6rem;font-size:1.2rem;font-weight:700}.logo-text{font-family:var(--font-display);color:var(--text-main);letter-spacing:1px;font-size:1.5rem;font-weight:700}.header h1{color:var(--text-main);margin-bottom:.5rem;font-size:2rem}.header p{color:var(--text-light);max-width:550px;margin:0 auto;font-size:.95rem}.progress-container{margin-bottom:2.5rem}.progress-label{color:var(--text-light);justify-content:space-between;margin-bottom:.5rem;font-size:.85rem;display:flex}.progress-text{color:var(--primary);text-align:right;margin-top:.3rem;font-size:.85rem;font-weight:700}.progress-bar{background:var(--input-border);border-radius:10px;height:6px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--primary), var(--primary-light));width:0%;height:100%;transition:width .4s;box-shadow:0 0 10px #dc262680}.form-section{border-bottom:1px solid #94a3b833;margin-bottom:2.5rem;padding-bottom:2rem}.form-section:last-child{border-bottom:none;padding-bottom:0}.section-title{color:var(--text-main);align-items:center;gap:.8rem;margin-bottom:1.5rem;font-size:1.3rem;display:flex}.section-title i{color:var(--primary)}.section-desc{color:var(--text-light);margin-top:-1rem;margin-bottom:1.5rem;font-size:.9rem}.form-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.full-width{grid-column:1/-1}.social-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.input-group{position:relative}.input-with-icon{background:var(--input-bg);border:1px solid var(--input-border);width:100%;color:var(--text-main);font-size:1rem;font-family:var(--font-sans);border-radius:8px;padding:1rem 1rem 1rem 3rem;transition:all .3s}.input-with-icon:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 4px #dc26261a}.input-icon{color:var(--text-light);pointer-events:none;font-size:1.1rem;transition:all .3s;position:absolute;top:50%;left:1rem;transform:translateY(-50%)}.input-with-icon:focus~.input-icon{color:var(--primary)}.floating-label{color:var(--text-light);pointer-events:none;background:0 0;padding:0 .2rem;font-size:.95rem;transition:all .3s;position:absolute;top:50%;left:3rem;transform:translateY(-50%)}.input-with-icon:focus~.floating-label,.input-with-icon:not(:placeholder-shown)~.floating-label{background:var(--input-bg);color:var(--primary);margin-left:-.5rem;font-weight:600;top:0;transform:translateY(-50%)scale(.85)}.required:after{content:"*";color:var(--primary);margin-left:2px}.error-message{color:var(--error);align-items:center;gap:.3rem;margin-top:.3rem;font-size:.8rem;display:none}.error-message.show{animation:.3s shake;display:flex}.btn-submit{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff;width:100%;font-size:1.1rem;font-weight:700;font-family:var(--font-display);letter-spacing:1px;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:.8rem;padding:1rem;transition:all .3s;display:flex;box-shadow:0 10px 20px -5px #dc262666}.btn-submit:hover{transform:translateY(-3px);box-shadow:0 15px 25px -5px #dc262680}.theme-switch{z-index:100;background:var(--bg-card);cursor:pointer;width:50px;height:50px;box-shadow:var(--shadow-lg);color:var(--text-main);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid #ffffff1a;border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;transition:all .3s;display:flex;position:fixed;top:20px;right:20px}.theme-switch:hover{color:var(--primary);transform:rotate(15deg)}.overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;opacity:0;background:#0009;transition:opacity .3s;display:none;position:fixed;inset:0}.overlay.show{opacity:1;display:block}.popup{background:var(--bg-card);text-align:center;z-index:2001;border:var(--glass-border);border-radius:1.5rem;width:90%;max-width:400px;padding:3rem 2rem;display:none;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)scale(.9);box-shadow:0 25px 50px -12px #00000080}.popup.show{animation:.4s cubic-bezier(.175,.885,.32,1.275) forwards popIn;display:block}.popup h3{color:var(--text-main);margin:1rem 0 .5rem;font-size:1.5rem}.popup p{color:var(--text-light);margin-bottom:2rem;font-size:.95rem}.checkmark-container{width:80px;height:80px;margin:0 auto}.checkmark-circle{stroke:var(--success);stroke-width:3px;fill:none;animation:.6s forwards stroke}.checkmark-check{stroke:var(--success);stroke-width:3px;fill:none;stroke-dasharray:48;stroke-dashoffset:48px;animation:.3s .6s forwards stroke}@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}@keyframes popIn{to{opacity:1;transform:translate(-50%,-50%)scale(1)}}@keyframes stroke{to{stroke-dashoffset:0}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@media (width<=768px){body{align-items:flex-start;padding:1rem}.container{margin-top:2rem;padding:2rem 1.5rem}.header h1{font-size:1.8rem}.form-grid,.social-grid{grid-template-columns:1fr}.theme-switch{top:10px;right:10px}}