:root{--bg:#fafaf8;--bg-alt:#f0efeb;--bg-dark:#1a2b4a;--text:#2d3142;--text-light:#6b7084;--text-white:#fafaf8;--accent:#1a2b4a;--cta:#c17b4a;--cta-hover:#a8673d;--cta-light:#c17b4a14;--border:#e2e0db;--border-focus:#c17b4a;--success:#3a7d5c;--error:#c24b3a;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px #0000000a,0 4px 12px #00000008;--shadow-lg:0 4px 24px #0000000f;--transition:.3s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Outfit,sans-serif;font-size:16px;line-height:1.65}h1,h2,h3{font-family:Instrument Serif,serif;font-weight:400}h1{color:var(--accent);font-size:clamp(2.5rem,6vw,4rem);line-height:1.1}h2{color:var(--accent);font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.15}h3{color:var(--accent);font-size:1.5rem}.container{max-width:1100px;margin:0 auto;padding:0 24px}nav{z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:var(--transition);background:#fafaf8d9;border-bottom:1px solid #0000;position:fixed;top:0;left:0;right:0}nav.scrolled{border-bottom-color:var(--border)}.nav-inner{justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;padding:16px 24px;display:flex}.logo{color:var(--accent);font-family:Instrument Serif,serif;font-size:1.4rem;text-decoration:none}.logo span{color:var(--cta)}.nav-links{align-items:center;gap:32px;display:flex}.nav-links a{color:var(--text-light);transition:var(--transition);letter-spacing:.01em;font-size:14px;font-weight:500;text-decoration:none}.nav-links a:hover{color:var(--accent)}.nav-cta{letter-spacing:.01em;transition:var(--transition);border-radius:100px;padding:10px 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em{color:var(--cta);font-style:italic}.hero-desc{color:var(--text-light);max-width:620px;margin-bottom:40px;font-size:18px;line-height:1.7}.hero-buttons{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.btn-primary{background:var(--cta);color:var(--text-white);transition:var(--transition);cursor:pointer;border:none;border-radius:100px;align-items:center;gap:8px;padding:16px 36px;font-size:16px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary:hover{background:var(--cta-hover);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-secondary{color:var(--text);transition:var(--transition);padding:16px 12px;font-weight:500;text-decoration:none}.btn-secondary:hover{color:var(--cta)}.hero-price{color:var(--text-light);margin-top:28px;font-size:15px}.hero-price 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span{color:var(--text-light);font-size:1.2rem;font-weight:400}.pricing-note{color:var(--text-light);margin-bottom:24px;font-size:14px}.pricing-features{text-align:left;flex:1;margin-bottom:28px;list-style:none}.pricing-features li{color:var(--text);border-bottom:1px solid var(--bg-alt);padding:10px 0 10px 24px;font-size:14px;position:relative}.pricing-features li:before{content:"✓";color:var(--success);font-weight:700;position:absolute;left:0}.pricing-for{color:var(--text-light);margin-top:16px;font-size:13px;font-style:italic}.disclaimer-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.disclaimer-item{border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff;gap:16px;padding:24px;display:flex}.disclaimer-num{color:var(--cta);border:1.5px solid var(--cta);opacity:.7;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-family:Instrument 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20px;position:relative}.profile-card:hover,.profile-card.selected{border-color:var(--cta);background:var(--cta-light)}.profile-card.selected:after{content:"✓";background:var(--cta);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;font-weight:700;display:flex;position:absolute;top:10px;right:14px}.profile-icon{margin-bottom:8px;font-size:32px;display:block}.profile-name{color:var(--accent);margin-bottom:4px;font-size:15px;font-weight:600}.profile-desc{color:var(--text-light);font-size:13px;line-height:1.4}.profile-price{color:var(--cta);margin-top:10px;font-size:14px;font-weight:600}.field{margin-bottom:20px}.field label{margin-bottom:6px;font-size:14px;font-weight:500;display:block}.field label .required{color:var(--error)}.field label .optional{color:var(--text-light);font-size:13px;font-weight:400}.field input,.field select,.field textarea{border:1px solid 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var(--border);border-radius:var(--radius-sm);cursor:pointer;text-align:center;transition:var(--transition);padding:20px}.quality-card:hover{border-color:var(--cta)}.quality-card.selected{border-color:var(--cta);background:var(--cta-light)}.quality-dots{color:var(--cta);margin-bottom:4px;font-size:18px}.quality-name{font-size:15px;font-weight:600}.quality-desc{color:var(--text-light);margin-top:4px;font-size:12px}.tipo-obra-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:28px;display:grid}.tipo-obra-card{border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:var(--transition);text-align:left;padding:20px 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16px;display:flex}.upload-icon{font-size:28px}.upload-text{color:var(--text-light);font-size:14px}.upload-text strong{color:var(--cta)}.upload-hint{color:var(--text-light);opacity:.7;font-size:12px}.upload-files{padding:0}.upload-file{border-top:1px solid var(--bg-alt);color:var(--text);justify-content:space-between;align-items:center;padding:10px 16px;font-size:13px;display:flex}.upload-file-remove{color:var(--error);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:16px;line-height:1}.coef-grid{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.coef-card{border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;text-align:center;transition:var(--transition);padding:14px 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li:before{content:"·";color:var(--cta);font-weight:700;position:absolute;left:2px}.success-screen{text-align:center;padding:60px 20px;display:none}.success-screen.show{animation:.6s fadeIn;display:block}.success-icon{background:var(--success);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin:0 auto 24px;font-size:28px;font-weight:700;display:flex}.success-screen h3{margin-bottom:12px;font-size:1.8rem}.success-screen p{color:var(--text-light);font-size:15px;line-height:1.7}.success-email{color:var(--cta);font-weight:600}.success-divider{border:none;border-top:1px solid var(--border);margin:24px 0}.success-payment{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);margin-top:24px;padding:28px 24px}.success-payment p{color:var(--text);margin-bottom:20px;font-size:15px;line-height:1.6}.btn-pay{background:var(--cta);color:var(--text-white);transition:var(--transition);cursor:pointer;border:none;border-radius:100px;align-items:center;gap:8px;padding:16px 36px;font-size:16px;font-weight:600;text-decoration:none;display:inline-flex}.btn-pay:hover{background:var(--cta-hover);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.success-methods{color:var(--text-light);margin-top:14px;font-size:13px}.success-hint{color:var(--cta);background:var(--cta-light);border-radius:var(--radius-sm);margin-top:12px;padding:10px 14px;font-size:13px;line-height:1.5}.success-footer{color:var(--text-light);margin-top:24px;font-size:14px;line-height:1.6}footer{background:var(--bg-dark);color:var(--text-white);text-align:center;opacity:.8;padding:48px 0;font-size:14px}.logo-footer{margin-bottom:8px;font-family:Instrument Serif,serif;font-size:1.3rem}.reveal{opacity:0;transition:opacity .7s,transform .7s;transform:translateY(24px)}.reveal.visible{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.15s}.reveal-delay-2{transition-delay:.3s}.reveal-delay-3{transition-delay:.45s}@media (max-width:768px){.nav-links a:not(.nav-cta){display:none}.includes-grid,.pricing-grid,.disclaimer-grid{grid-template-columns:1fr}.steps-grid{grid-template-columns:1fr;gap:36px}.field-row,.quality-grid{grid-template-columns:1fr}.zona-grid{grid-template-columns:repeat(3,1fr)}.tipo-obra-grid,.checkbox-grid{grid-template-columns:1fr}.coef-grid{grid-template-columns:1fr 1fr}.form-wrapper{padding:32px 24px}.hero{padding:120px 0 80px}.profile-grid{grid-template-columns:1fr}.ive-ref{text-align:center;flex-direction:column}}