:root{--color-primary:#4A90E2;--color-secondary:#F5F9FF;--color-text:#333;--color-background:#fff;--color-accent:#ff6b6b;--font-primary:'Arial',sans-serif;--primary-color:#4a90e2;--secondary-color:#2c3e50;--accent-color:#3498db;--text-color:#333;--light-gray:#f5f6fa;--error-color:#e74c3c;--success-color:#2ecc71;--warning-color:#f1c40f}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-primary);line-height:1.6;color:var(--color-text);background-color:var(--color-background)}.navbar{background-color:var(--color-background);padding:1rem 5%;position:fixed;width:100%;top:0;z-index:1000;box-shadow:0 2px 5px rgba(0,0,0,.1);display:flex;justify-content:space-between;align-items:center}.logo h1{color:var(--color-primary);font-size:1.5rem}.nav-links{display:flex;list-style:none}.nav-links li{margin:0 1.5rem}.nav-links a{text-decoration:none;color:var(--color-text);font-weight:500;transition:color .3s ease}.nav-links a:hover{color:var(--color-primary)}.burger{display:none;cursor:pointer}.burger div{width:25px;height:3px;background-color:var(--color-text);margin:5px;transition:all .3s ease}.hero{height:100vh;background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.5)),url('../img/casa_moderna.webp');background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;padding:0 1rem;position:relative}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.3);z-index:1}.hero-content{position:relative;z-index:2;max-width:800px}.hero h2{font-size:3rem;margin-bottom:1rem}.cta-button{display:inline-block;padding:1rem 2rem;background-color:var(--color-primary);color:#fff;text-decoration:none;border-radius:5px;margin-top:2rem;transition:background-color .3s ease}.cta-button:hover{background-color:#357abd}.servicios{padding:5rem 5%;background-color:var(--color-secondary)}.servicios h2{text-align:center;margin-bottom:3rem}.servicios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.servicio-card{background:#fff;padding:2rem;border-radius:10px;text-align:center;box-shadow:0 3px 10px rgba(0,0,0,.1);transition:transform .3s ease}.servicio-card:hover{transform:translateY(-5px)}.servicio-card i{font-size:2.5rem;color:var(--color-primary);margin-bottom:1rem}.galeria{padding:5rem 5%}.galeria h2{text-align:center;margin-bottom:3rem}.galeria-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.galeria-item img{width:100%;height:300px;object-fit:cover;border-radius:10px;transition:transform .3s ease}.galeria-item img:hover{transform:scale(1.05)}.contacto{padding:5rem 5%;background-color:var(--color-secondary)}.contacto h2{text-align:center;margin-bottom:3rem}.contacto-container{max-width:600px;margin:0 auto}.contacto-form{max-width:600px;margin:0 auto;padding:2rem;background:#fff;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1)}.form-group{margin-bottom:1.5rem;position:relative}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-color);font-weight:500}.form-group .error-message{color:var(--error-color);font-size:.85rem;margin-top:.25rem;margin-bottom:.5rem;display:none}.form-group input.error+.error-message,.form-group textarea.error+.error-message{display:block}.form-group input,.form-group textarea{width:100%;padding:.8rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;transition:all .3s ease}.form-group input:focus,.form-group textarea:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(74,144,226,.2)}.form-group input.error,.form-group textarea.error{border-color:var(--error-color);background-color:rgba(231,76,60,.05)}.required{color:var(--error-color);margin-left:4px}.form-text{display:block;margin-top:.25rem;font-size:.875rem;color:#666}.form-group textarea::placeholder{color:#999;font-style:italic}.submit-button{width:100%;padding:1rem;background:var(--primary-color);color:#fff;border:none;border-radius:4px;font-size:1.1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.submit-button:hover:not(:disabled){background:var(--accent-color);transform:translateY(-2px)}.submit-button:disabled{background:#ccc;cursor:not-allowed;transform:none}.error-message{color:var(--error-color);font-size:.9rem;margin-top:.5rem}footer{background-color:#333;color:#fff;padding:3rem 5% 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-info h3{color:var(--color-primary);margin-bottom:1rem}.footer-info p{margin-bottom:.5rem}.footer-info i{margin-right:.5rem}.footer-social{display:flex;gap:1rem}.footer-social a{color:#fff;font-size:1.5rem;transition:color .3s ease}.footer-social a:hover{color:var(--color-primary)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1)}@media screen and (max-width:768px){.nav-links{display:none;width:100%;position:absolute;top:70px;right:0;background-color:var(--color-background);flex-direction:column;align-items:center;padding:1rem 0}.nav-links.active{display:flex}.nav-links li{margin:1rem 0}.burger{display:block}.hero h2{font-size:2rem}.galeria-grid,.servicios-grid{grid-template-columns:1fr}.verification-input{flex-direction:column}.verify-button{width:100%}.notification{left:20px;right:20px;text-align:center}}.verification-box{background:var(--light-gray);padding:1rem;border-radius:4px;margin-bottom:1rem}.verification-question{font-size:1.2rem;font-weight:700;margin:1rem 0;color:var(--secondary-color)}.verification-input{display:flex;gap:1rem;align-items:center}.verification-input input{flex:1}.verify-button{background:var(--primary-color);color:#fff;border:none;padding:.8rem 1.5rem;border-radius:4px;cursor:pointer;transition:background-color .3s ease}.verify-button:hover{background:var(--accent-color)}.notification{position:fixed;top:20px;right:20px;padding:1rem 2rem;border-radius:4px;color:#fff;font-weight:500;z-index:1000;opacity:0;transform:translateY(-20px);transition:all .3s ease;box-shadow:0 2px 10px rgba(0,0,0,.1)}.notification.show{opacity:1;transform:translateY(0)}.notification.success{background-color:var(--success-color)}.notification.error{background-color:var(--error-color)}.notification.warning{background-color:var(--warning-color)}.notification.info{background-color:var(--primary-color)}