:root{--bg: #fafbfc;--bg-alt: #f0f4f8;--surface: #ffffff;--text: #0f1a2a;--text-secondary: #4a5568;--text-muted: #8896a6;--accent: var(--color-primary);--accent-light: rgba(13, 148, 136, .1);--accent-dark: var(--color-primary-dark);--green: var(--color-success);--green-light: rgba(22, 163, 74, .1);--amber: var(--color-warning);--amber-light: rgba(217, 119, 6, .1);--border: #e2e8f0;--border-light: #edf2f7;--radius: 12px;--radius-sm: 8px;--shadow-sm: 0 1px 3px rgba(15, 26, 42, .04), 0 1px 2px rgba(15, 26, 42, .06);--shadow-md: 0 4px 16px rgba(15, 26, 42, .06), 0 2px 4px rgba(15, 26, 42, .04);--shadow-lg: 0 12px 40px rgba(15, 26, 42, .08), 0 4px 12px rgba(15, 26, 42, .04);--font-display: var(--font-sans);--font-body: var(--font-sans);--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#fafbfcd9;backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);border-bottom:1px solid var(--border-light);transition:box-shadow .3s}nav.scrolled{box-shadow:var(--shadow-sm)}.nav-inner{max-width:1120px;margin:0 auto;padding:0 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var(--border)}.btn-ghost:hover{border-color:var(--text-secondary);background:var(--bg-alt)}.hero{padding:140px 32px 80px;max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:100px;background:var(--green-light);color:var(--green);font-size:12.5px;font-weight:600;letter-spacing:.3px;margin-bottom:24px}.hero-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);animation:pulse-dot 2s ease infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(36px,4.5vw,52px);line-height:1.12;letter-spacing:-1.5px;color:var(--text);margin-bottom:20px}.hero h1 em{font-style:italic;font-weight:500;color:var(--accent)}.hero-sub{font-size:17px;line-height:1.65;color:var(--text-secondary);max-width:440px;margin-bottom:36px}.hero-actions{display:flex;gap:12px;align-items:center}.hero-actions .btn-primary{padding:15px 32px;font-size:16px}.hero-actions .btn{padding:15px 28px;font-size:15px}.hero-note{margin-top:16px;font-size:12.5px;color:var(--text-muted);display:flex;align-items:center;gap:6px}.chat-demo{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.chat-titlebar{padding:14px 20px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:10px;background:var(--bg)}.chat-dots{display:flex;gap:6px}.chat-dots 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p{font-size:14px;color:var(--text-secondary);line-height:1.65}.sources-strip{padding:60px 32px;border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light)}.sources-inner{max-width:1120px;margin:0 auto;text-align:center}.sources-inner p{font-size:13px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:28px}.source-logos{display:flex;justify-content:center;align-items:center;gap:48px;flex-wrap:wrap}.source-tag{font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--text-secondary);padding:8px 18px;border:1px solid var(--border);border-radius:100px;background:var(--surface);transition:all .2s}.source-tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.price-card{background:var(--surface);border:1.5px solid var(--border-light);border-radius:var(--radius);padding:36px 28px;display:flex;flex-direction:column;transition:all .25s ease}.price-card.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),var(--shadow-lg);position:relative}.price-card.featured:after{content:"Más popular";position:absolute;top:-13px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:4px 16px;border-radius:100px;letter-spacing:.3px}.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.price-tier{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.price-amount{font-family:var(--font-display);font-size:44px;font-weight:700;letter-spacing:-2px;line-height:1.1;margin-bottom:4px}.price-period{font-size:13px;color:var(--text-muted);margin-bottom:24px}.price-features{list-style:none;margin-bottom:32px;flex:1;display:flex;flex-direction:column;gap:12px}.price-features 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a:hover{color:var(--text)}@media(max-width:900px){.hero{grid-template-columns:1fr;gap:48px;padding-top:120px}.features-grid,.pricing-grid,.steps{grid-template-columns:1fr}.nav-links a:not(.btn){display:none}.source-logos{gap:16px}}.fade-up{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}.fade-up.visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){.chat-demo{animation:none}.hero-badge:before{animation:none}.msg{animation:none;opacity:1;transform:none}.fade-up{opacity:1;transform:none;transition:none}}