/* --- VARIABLES MONOCROMÁTICAS --- */
        :root {
            --bg-color: #ffffff; 
            --text-main: #000000; 
            --text-muted: #666666; 
            --accent-orange: #000000; 
            --dark-bg: #050505; 
            --dark-surface: #111111; 
            --card-bg: #fdfdfd; 
            
            /* FORZAMOS TODAS LAS ESQUINAS A 0 */
            --border-radius-lg: 0px; 
            --border-radius-sm: 0px; 
            
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1100px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }

        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: var(--font-sans);
            -webkit-font-smoothing: antialiased;
            line-height: 1.5;
            overflow-x: hidden;
            opacity: 0; 
            animation: fadeInBody 1s forwards ease-out;
        }

        @keyframes fadeInBody { to { opacity: 1; } }

        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* --- GLOBAL ANIMATIONS (FADE IN UP) --- */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        .delay-1 { transition-delay: 0.15s; }
        .delay-2 { transition-delay: 0.3s; }
        .delay-3 { transition-delay: 0.45s; }
        .delay-4 { transition-delay: 0.6s; }

        /* TYPOGRAPHY UTILS */
        .accent { color: var(--accent-orange); }
        
        h1 { font-size: clamp(2.4rem, 7vw, 4.8rem); line-height: 1.05; letter-spacing: -0.03em; margin-bottom: 1.5rem; font-weight: 500; }
        h2 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); letter-spacing: -0.02em; margin-bottom: 1.5rem; font-weight: 500; line-height: 1.15; }

        .section-label {
            font-size: 0.75rem; font-weight: 600; letter-spacing: 1.5px;
            text-transform: uppercase; margin-bottom: 15px; display: block;
        }
        .section-label.red { color: var(--accent-orange); }
        .section-label.gray-center { color: #8b8a85; text-align: center; margin-bottom: 30px; }

        /* --- FLOATING NAVIGATION BAR --- */
        .floating-nav-wrapper {
            position: fixed; top: 24px; left: 0; width: 100%;
            display: flex; justify-content: center; z-index: 1000; pointer-events: none;
        }
        .floating-nav {
            background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(0,0,0,0.08); 
            border-radius: 0px;
            padding: 8px 20px 8px 24px; 
            display: flex; align-items: center; gap: 28px; box-shadow: 0 4px 20px rgba(0,0,0,0.12), 0 1px 4px rgba(0,0,0,0.08);
            pointer-events: auto; transform: translateY(-50px); opacity: 0;
            animation: fadeInNav 0.8s forwards ease-out 0.2s;
            flex-wrap: nowrap;
        }
        @keyframes fadeInNav { to { transform: translateY(0); opacity: 1; } }
        .floating-nav .logo { display: flex; align-items: center; gap: 8px; }
        
        .nav-links { display: flex; gap: 24px; font-size: 0.85rem; font-weight: 500; color: var(--text-muted); }
        .nav-links a { text-decoration: none; color: inherit; transition: color 0.2s; }
        .nav-links a:hover { color: var(--text-main); }
        .nav-right { display: flex; align-items: center; gap: 16px; flex-wrap: nowrap; flex-shrink: 0; margin-left: auto; }
        .nav-social {
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 9px;
            padding-left: 16px;
            margin-left: 8px;
            position: relative;
        }
        .nav-social::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            height: 16px;
            width: 1px;
            background: rgba(0,0,0,0.18);
        }
        .nav-social a {
            color: var(--text-main);
            display: flex;
            align-items: center;
            transition: color 0.2s;
        }
        .nav-social a:hover { color: var(--text-muted); }

        /* ocultar iconos nav en tablet/mobile */
        /* iconos sociales nav: se ocultan al mismo tiempo que aparece el hamburguesa */

        /* --- REDES SOCIALES FOOTER BOTTOM --- */
        .footer-bottom-social {
            display: flex;
            gap: 12px;
            align-items: center;
            padding-right: 20px;
            border-right: 1px solid #333;
        }
        .footer-bottom-social a {
            color: #666;
            display: flex;
            align-items: center;
            transition: color 0.2s;
        }
        .footer-bottom-social a:hover { color: #fff; }

        /* --- REDES SOCIALES FOOTER --- */
        .footer-social { list-style: none; }
        .footer-social li { margin-bottom: 14px; }
        .footer-social a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #888;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s;
        }
        .footer-social a:hover { color: #fff; }
        .footer-social a svg { flex-shrink: 0; }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 38px;
            height: 38px;
            background: transparent;
            border: 1px solid #000;
            cursor: pointer;
            padding: 0;
        }
        .hamburger-btn span {
            display: block;
            width: 18px;
            height: 2px;
            background: #000;
            transition: transform 0.25s ease, opacity 0.25s ease;
        }
        .hamburger-btn.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .hamburger-btn.is-active span:nth-child(2) { opacity: 0; }
        .hamburger-btn.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
        
        /* --- CTAs CON ESQUINAS RECTAS --- */
        .btn-dark { 
            background: var(--text-main); color: white; padding: 10px 20px; 
            border-radius: 0px; /* Esquinas rectas */
            text-decoration: none; font-size: 0.85rem; font-weight: 500; transition: opacity 0.2s; border: 1px solid var(--text-main); 
        }
        .btn-dark:hover { background: transparent; color: var(--text-main); }

        .btn-ghost { 
            background: transparent; color: var(--text-main); border: 1px solid #dcdcdc; padding: 10px 20px; 
            border-radius: 0px; /* Esquinas rectas */
            text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: all 0.3s ease; 
        }
        .btn-ghost:hover { background: var(--text-main); color: white; border-color: var(--text-main); }

        .btn-light { 
            background: white; color: var(--text-main); border: 1px solid var(--text-main); padding: 12px 24px; 
            border-radius: 0px; /* Esquinas rectas */
            text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: all 0.3s ease; 
        }
        .btn-light:hover { background: var(--text-main); color: white; }

        /* --- HERO SECTION --- */
        .hero { text-align: center; padding: 180px 0 20px; }
        .hero h1 .animate-text { display: inline-block; opacity: 0; transform: translateY(20px); animation: fadeInStaggered 0.6s forwards ease-out; }
        .hero h1 .animate-text:nth-child(1) { animation-delay: 0.1s; }
        .hero h1 .animate-text:nth-child(2) { animation-delay: 0.2s; }
        .hero h1 .animate-text:nth-child(3) { animation-delay: 0.3s; }
        .hero h1 .animate-text:nth-child(4) { animation-delay: 0.4s; }
        @keyframes fadeInStaggered { to { opacity: 1; transform: translateY(0); } }

        .model-badge-wrapper { width: 100%; position: relative; z-index: 10; margin-bottom: 2.5rem; }
        .model-badge { display: inline-block; font-size: 0.75rem; padding: 6px 14px; border-radius: 0px; background: #f4f4f4; color: var(--text-muted); font-weight: 500; letter-spacing: 0.5px; opacity: 0; animation: fadeInStaggered 0.6s forwards ease-out 0s; }
        .hero p.subtitle { font-size: 1.1rem; max-width: 650px; margin: 0 auto 40px; color: var(--text-muted); opacity: 0; transform: translateY(20px); animation: fadeInStaggered 0.6s forwards ease-out 0.6s; }
        .hero-ctas { display: flex; justify-content: center; gap: 15px; margin-bottom: 30px; align-items: center; opacity: 0; transform: translateY(20px); animation: fadeInStaggered 0.6s forwards ease-out 0.8s; }
        
        .hero-graphic {
            width: 100%; 
            height: 500px; 
            border-radius: 0px; /* Esquinas rectas */
            margin-bottom: 60px; 
            box-shadow: 0 40px 80px rgba(0,0,0,0.15); 
            position: relative; overflow: hidden; opacity: 0; transform: translateY(20px); animation: fadeInStaggered 0.8s forwards ease-out 0.5s;
            background: #000;
        }
        .hero-graphic video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: 50% 50%;
            display: block;
            cursor: pointer;
        }

        /* --- BLOQUE DE VÍDEO NEGRO, PEGADO AL FOOTER --- */
        .hero-video-section {
            width: 100%;
            background: #000;
            padding: 80px 0 0;
        }
        .hero-video-section .hero-graphic {
            max-width: 720px;
            height: 380px;
            margin: 0 auto;
            margin-bottom: 0;
            box-shadow: none;
            opacity: 1;
            transform: none;
            animation: none;
        }

        /* --- LOGO CAROUSEL --- */
        .carrusel-wrapper { width: 100%; overflow: hidden; position: relative; margin-bottom: 24px; font-weight: 500; font-size: 1rem; color: #888; text-transform: uppercase; letter-spacing: 1px; padding-bottom: 20px; }
        .logo-carrusel { display: flex; width: max-content; animation: scrollLogos 34s linear infinite; }
        .carrusel-logo { flex-shrink: 0; white-space: nowrap; padding: 0 36px; text-align: center; opacity: 0.6; transition: opacity 0.3s; color: #000;}
        .carrusel-logo:hover { opacity: 1; }
        @keyframes scrollLogos { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

        /* --- FEATURES BENTO GRID --- */
        .features { padding: 80px 0; }
        .bento-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; grid-template-rows: auto auto auto; gap: 16px; }
        .bento-card {
            background: var(--card-bg); border-radius: 0px; padding: 35px;
            display: flex; flex-direction: column; justify-content: flex-end; min-height: 220px;
            border: 1px solid rgba(0,0,0,0.06); box-shadow: 0 4px 20px rgba(0,0,0,0.02); transition: transform 0.3s ease;
        }
        .bento-card:hover { transform: translateY(-4px); }
        .bento-card h3 { font-size: 1.2rem; margin-bottom: 10px; font-weight: 600; }
        .bento-card p { font-size: 0.9rem; color: var(--text-muted); }

        .card-long-horizon {
            grid-column: 1 / 2; grid-row: 1 / 3; min-height: 460px;
            background: url('../img/paradoja-20.jpg') center 18%/cover no-repeat;
            color: white; justify-content: flex-end;
            position: relative;
        }
        .card-long-horizon h3 { color: white; text-shadow: 0 2px 12px rgba(0,0,0,0.8); }
        .card-long-horizon p { color: rgba(255,255,255,0.92); text-shadow: 0 2px 10px rgba(0,0,0,0.8); }
        .card-coding { grid-column: 2 / 4; grid-row: 1 / 2; }
        .card-thinking { grid-column: 2 / 3; grid-row: 2 / 3; }
        .card-computer { grid-column: 3 / 4; grid-row: 2 / 3; }
        .card-memory { grid-column: 1 / 2; grid-row: 3 / 4; }
        .card-context { grid-column: 2 / 4; grid-row: 3 / 4; background: var(--dark-surface); color: white; }
        .card-context p { color: rgba(255,255,255,0.6); }

        /* --- TERMINAL & WORKFLOW SECTION --- */
        .workflow { display: flex; align-items: center; gap: 80px; padding: 120px 0; }
        .workflow-text { flex: 1; }
        .workflow-text h2 { margin-bottom: 1.2rem; }
        .workflow-text p { color: var(--text-muted); margin-bottom: 50px; font-size: 1rem; line-height: 1.6;}
        .stats { display: flex; gap: 40px; }
        .stat-item { flex: 1; border-top: 1px solid #eee; padding-top: 15px; }
        .stat-item h4 { font-size: 2.2rem; font-weight: 400; margin-bottom: 5px; font-family: var(--font-sans); }
        .stat-item span { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500;}

        .terminal-window {
            flex: 1.2; background: #000; border-radius: 0px; padding: 24px; color: #fff;
            font-family: monospace; font-size: 0.85rem; box-shadow: 0 30px 60px rgba(0,0,0,0.2); border: 1px solid #222;
        }
        .terminal-header { display: flex; gap: 8px; margin-bottom: 25px; }
        .dot { width: 12px; height: 12px; border-radius: 0px; } /* Botones terminal cuadrados */
        .dot.red { background: #333; } .dot.yellow { background: #666; } .dot.green { background: #999; }
        .term-line { margin-bottom: 10px; color: #a9a9a9; }
        .term-blue { color: #fff; font-weight: 600; } .term-green { color: #ccc; }
        .term-cursor { display: inline-block; width: 9px; height: 16px; background: #d4d4d4; vertical-align: text-bottom; margin-left: 1px; animation: blink 0.9s step-end infinite; }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

        /* --- BENCHMARKS SECTION --- */
        .benchmarks-wrapper { background: var(--dark-bg); color: white; padding: 120px 0; margin-top: 40px; border-top: 1px solid #111; }
        .benchmarks h2 { margin-bottom: 1rem; color: white; }
        .benchmarks p.desc { color: #888; margin-bottom: 80px; font-size: 1.1rem; max-width: 600px; }
        .chart-row { margin-bottom: 40px; }
        .chart-labels { display: flex; justify-content: space-between; font-size: 0.9rem; margin-bottom: 12px; color: #ccc;}
        .chart-labels span:last-child { font-family: monospace; font-size: 1rem; color: white;}
        .bar-bg { width: 100%; height: 8px; background: rgba(255,255,255,0.15); border-radius: 0px; position: relative; }
        .bar-fill { height: 100%; background: #ffffff; border-radius: 0px; position: absolute; left: 0; top: 0; width: 0; transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1); }

        .benchmark-stats { display: flex; gap: 80px; margin-top: 80px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 50px; }
        .benchmark-stats .stat-item { border-top: none; padding-top: 0; }
        .benchmark-stats .stat-item h4 { font-size: 3rem; color: white; font-variant-numeric: tabular-nums; min-width: 140px;}
        .benchmark-stats .stat-item span { font-size: 0.75rem; color: #888; text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }

        /* --- QUOTE SECTION --- */
        .quote-section { padding: 160px 0; text-align: center; }
        
        .quote-text { 
            font-size: clamp(1.6rem, 4.2vw, 3.2rem); 
            line-height: 1.25; 
            letter-spacing: -0.02em;
            font-weight: 500;
            max-width: 950px; 
            margin: 0 auto; 
            position: relative; 
        }
        
        .quote-char { color: #e0e0e0; transition: color 0.1s ease; }
        .quote-char.revealed { color: var(--text-main); }

        /* --- USE CASES --- */
        .use-cases { padding: 60px 0 120px; }
        .use-cases-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-top: 50px; }
        .uc-card { background: var(--card-bg); border-radius: 0px; padding: 20px; border: 1px solid rgba(0,0,0,0.05); transition: transform 0.3s ease;}
        .uc-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.05);}
        .uc-img { width: 100%; height: 180px; border-radius: 0px; margin-bottom: 20px; }
        .uc-img.img1 { background: linear-gradient(135deg, #222, #000); }
        .uc-img.img2 { background: linear-gradient(135deg, #eee, #ccc); }
        .uc-img.img3 { background: linear-gradient(135deg, #fff, #ddd); }
        .uc-card h4 { font-size: 1rem; margin-bottom: 8px; color: var(--text-main); }
        .uc-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5;}

        /* --- FOOTER CTA (CON DEGRADADO BLANCO CENTRAL) --- */
        .footer-cta { 
            /* Degradado radial en el centro de color blanco puro hacia gris claro */
            background: radial-gradient(circle at 50% 50%, #ffffff 0%, #e6e6e6 100%); 
            color: var(--text-main); 
            text-align: center; 
            padding: 140px 24px; 
            border-top: 1px solid #eaeaea;
        }
        .footer-cta h2 { font-size: clamp(2.2rem, 6vw, 4rem); margin-bottom: 15px; font-weight: 600; }
        .footer-cta p { color: var(--text-muted); margin: 0 auto 50px; font-size: 1.1rem; max-width: 640px; }
        
        footer { background: #000; color: #888; padding: 80px 0 40px; font-size: 0.85rem; border-top: 1px solid #222; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 80px; }
        .footer-col h5 { color: white; font-weight: 500; margin-bottom: 25px; font-size: 0.9rem; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 15px; }
        .footer-col ul a { color: #888; text-decoration: none; transition: color 0.2s;}
        .footer-col ul a:hover { color: white; }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #222; padding-top: 30px; padding-bottom: 80px; font-size: 0.8rem; color: #888; }

        .footer-logo { margin-bottom: 14px; }
        .footer-logo img { height: 26px; width: auto; display: block; }

        /* --- MENÚ MÓVIL (DROPDOWN COMPACTO) --- */
        .mobile-menu-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 0; right: 0;
            background: #fff;
            border: 1px solid rgba(0,0,0,0.08);
            box-shadow: 0 12px 32px rgba(0,0,0,0.13);
            z-index: 999;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            max-height: 0;
            opacity: 0;
            transform: translateY(-6px);
            transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.25s ease;
            pointer-events: none;
        }
        .mobile-menu-panel.is-open {
            max-height: 600px;
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .mobile-menu-links {
            display: flex;
            flex-direction: column;
            padding: 8px 24px 0;
        }
        .mobile-menu-links a {
            display: block;
            text-align: center;
            text-decoration: none;
            color: #000;
            font-size: 0.98rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 16px 0;
            border-bottom: 1px solid #eee;
            transition: background 0.15s ease;
        }
        .mobile-menu-links a:hover { font-weight: 700; background: rgba(0,0,0,0.04); }
        .mobile-menu-social {
            display: flex;
            justify-content: center;
            gap: 20px;
            padding: 18px 0 20px;
            border-top: 1px solid #eee;
            margin-top: 4px;
        }
        .mobile-menu-social a {
            color: #000 !important;
            display: flex !important;
            align-items: center;
            border-bottom: none !important;
            padding: 0 !important;
            background: transparent !important;
            font-size: 0 !important;
        }
        .mobile-menu-bottom { display: none; }

        /* --- WHATSAPP FLOTANTE --- */
        .whatsapp-float {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 58px;
            height: 58px;
            display: flex;
            align-items: center;
            justify-content: center;
            filter: drop-shadow(0 6px 10px rgba(0,0,0,0.22)) drop-shadow(0 2px 4px rgba(0,0,0,0.15));
            z-index: 999;
            transition: transform 0.2s ease;
        }
        .whatsapp-float:hover { transform: scale(1.08); }
        @media (max-width: 600px) {
            .whatsapp-float { bottom: 18px; right: 18px; width: 52px; height: 52px; }
        }

        /* --- SECCIÓN CAPTACIÓN BETA --- */
        .signup-section {
            padding: 40px 0 140px;
            border-top: 1px solid #eaeaea;
            background: #fafafa;
        }
        .signup-inner {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
        }
        .signup-inner h2 { margin-bottom: 1rem; }
        .signup-inner p.signup-desc { color: var(--text-muted); margin-bottom: 50px; font-size: 1.05rem; }

        /* --- FORMULARIO + IMAGEN A DOS COLUMNAS --- */
        .signup-grid {
            max-width: 1160px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 70px;
            align-items: start;
        }
        .signup-form-col { text-align: left; }
        .signup-form-col h2 { margin-top: 0; margin-bottom: 1.6rem; text-align: left; }
        .signup-image-col { width: 100%; }
        .signup-image-col img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 0px;
        }

        .tally-wrapper {
            width: 100%;
            background: transparent;
            margin-bottom: 30px;
            position: relative;
        }
        .tally-wrapper iframe { width: 100%; min-height: 300px; border: none; display: block; }

        /* --- FORMULARIO BETA NATIVO --- */
        #beta-form {
            width: 100%;
            margin-bottom: 30px;
            text-align: left;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            margin-bottom: 0;
        }
        .form-group label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .form-group .req { color: #000; }
        #beta-form input[type="text"],
        #beta-form input[type="email"],
        #beta-form select {
            border: 1px solid #000000;
            border-radius: 0px;
            padding: 10px 14px;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            color: var(--text-main);
            background: #fff;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
            transition: box-shadow 0.15s;
            width: 100%;
            box-sizing: border-box;
        }
        #beta-form input::placeholder { color: #aaa; }
        #beta-form input:focus,
        #beta-form select:focus {
            box-shadow: 0 0 0 2px rgba(0,0,0,0.15);
        }
        #beta-form select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23000' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
            cursor: pointer;
        }
        #beta-form select option { background: #fff; color: #000; }
        #beta-form select option:checked,
        #beta-form select option:hover {
            background: #000000;
            color: #ffffff;
        }
        .otro-input {
            margin-top: 8px;
            border: 1px solid #000000;
            border-radius: 0px;
            padding: 10px 14px;
            font-family: var(--font-sans);
            font-size: 0.9rem;
            color: var(--text-main);
            background: #fff;
            outline: none;
            width: 100%;
            box-sizing: border-box;
        }
        .otro-input::placeholder { color: #aaa; }
        .otro-input:focus { box-shadow: 0 0 0 2px rgba(0,0,0,0.15); }
        .form-footer {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .signup-form-col .form-footer { align-items: flex-start; text-align: left; }
        .consent-warning {
            display: none;
            color: #c00000;
            font-size: 0.82rem;
            margin-top: 12px;
        }
        .consent-warning.visible { display: block; }
        .btn-submit {
            background: #000;
            color: #fff;
            border: 1px solid #000;
            border-radius: 0px;
            padding: 14px 32px;
            font-family: var(--font-sans);
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
            letter-spacing: 0.01em;
        }
        .btn-submit:hover { background: transparent; color: #000; }
        #form-success {
            display: none;
            padding: 50px 30px;
            border: 1px solid #000;
            text-align: center;
            margin-bottom: 30px;
        }
        #form-success h3 {
            font-size: 1.6rem;
            font-weight: 500;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        #form-success p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        /* --- CHECK ANIMADO DE ÉXITO --- */
        .success-check {
            display: flex;
            justify-content: center;
            margin-bottom: 24px;
        }
        .success-check-circle {
            fill: #000000;
            stroke: none;
        }
        .success-check-mark {
            fill: none;
            stroke: #ffffff;
            stroke-width: 7;
            stroke-linecap: round;
            stroke-linejoin: round;
            stroke-dasharray: 60;
            stroke-dashoffset: 60;
            animation: drawCheck 0.5s ease-out 0.3s forwards;
        }
        .success-check svg {
            opacity: 0;
            transform: scale(0.7);
            animation: popCircle 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
        }
        @keyframes popCircle {
            to { opacity: 1; transform: scale(1); }
        }
        @keyframes drawCheck {
            to { stroke-dashoffset: 0; }
        }

        /* --- BLOQUE LEGAL / CONSENTIMIENTO --- */
        .legal-consent {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            text-align: left;
            font-size: 0.8rem;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 10px;
        }
        .legal-consent input[type="checkbox"] {
            margin-top: 3px;
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            accent-color: var(--text-main);
        }
        .legal-consent label a { color: var(--text-main); text-decoration: underline; }
        .legal-note {
            font-size: 0.75rem;
            color: #999;
            max-width: 480px;
            margin: 20px auto 0;
        }
        .signup-form-col .legal-note { margin: 20px 0 0; max-width: 100%; }

        /* ============================================================
           RESPONSIVE — TABLET (≤1024px)
           ============================================================ */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: 1fr 1fr;
            }
            .card-long-horizon { grid-column: 1 / 3; grid-row: auto; min-height: 360px; }
            .card-coding { grid-column: 1 / 3; grid-row: auto; }
            .card-thinking { grid-column: 1 / 2; grid-row: auto; }
            .card-computer { grid-column: 2 / 3; grid-row: auto; }
            .card-memory { grid-column: 1 / 2; grid-row: auto; }
            .card-context { grid-column: 2 / 3; grid-row: auto; }

            .use-cases-grid { grid-template-columns: 1fr 1fr; }
            .use-cases-grid .uc-card:first-child { grid-column: 1 / 3; }

            .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px 24px; }

            .workflow { gap: 50px; }
        }

        /* ============================================================
           RESPONSIVE — TABLET PORTRAIT / MÓVIL GRANDE (≤768px)
           ============================================================ */
        @media (max-width: 1024px) {
            /* Navegación: ocultamos enlaces intermedios, dejamos logo + CTA */
            .floating-nav-wrapper { top: 14px; padding: 0 16px; }
            .floating-nav {
                width: 100%;
                padding: 8px 8px 8px 16px;
                gap: 12px;
                justify-content: space-between;
            }
            .nav-links { display: none; }
            .nav-social { display: none; }
            .nav-right { gap: 10px; }
            .nav-right .btn-dark { font-size: 0.78rem; padding: 9px 14px; white-space: nowrap; }
            .nav-social { display: none; }
            .hamburger-btn { display: flex; }

            .hero { padding: 110px 0 40px; }
            .hero-ctas { flex-direction: column; gap: 12px; width: 100%; }
            .hero-ctas .btn-dark, .hero-ctas .btn-ghost { width: 100%; text-align: center; }
            .hero-graphic { height: 280px; margin-bottom: 40px; }

            .hero-video-section { padding-top: 50px; }
            .hero-video-section .hero-graphic { height: 280px; }

            .model-badge { font-size: 0.7rem; }

            .carrusel-wrapper { margin-bottom: 20px; }

            /* El formulario es lo importante: va primero, la imagen debajo */
            .signup-grid { grid-template-columns: 1fr; gap: 40px; }
            .signup-form-col { order: 1; }
            .signup-image-col { order: 2; }

            .features { padding: 60px 0; }
            .bento-grid { grid-template-columns: 1fr; gap: 14px; }
            .card-long-horizon,
            .card-coding,
            .card-thinking,
            .card-computer,
            .card-memory,
            .card-context {
                grid-column: 1 / 2 !important;
                grid-row: auto !important;
                min-height: 220px;
            }
            .card-long-horizon { min-height: 340px; }
            .bento-card { padding: 26px; }

            .workflow { flex-direction: column; padding: 70px 0; gap: 40px; align-items: stretch; }
            .stats { flex-wrap: wrap; gap: 24px; }
            .stat-item { flex: 1 1 40%; }
            .terminal-window { font-size: 0.78rem; padding: 18px; }
            .term-line { word-break: break-word; }

            .benchmarks-wrapper { padding: 70px 0; }
            .benchmark-stats { flex-wrap: wrap; gap: 32px 40px; }
            .benchmark-stats .stat-item { min-width: 40%; }
            .benchmark-stats .stat-item h4 { min-width: 0; }

            .quote-section { padding: 90px 0; }

            .use-cases { padding: 40px 0 70px; }
            .use-cases-grid { grid-template-columns: 1fr; gap: 18px; }
            .use-cases-grid .uc-card:first-child { grid-column: 1 / 2; }

            .footer-cta { padding: 90px 24px; }

            .signup-section { padding: 80px 0; }
            .form-row { grid-template-columns: 1fr; gap: 16px; margin-bottom: 16px; }

            footer { padding: 60px 0 30px; font-size: 0.92rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 44px; margin-bottom: 50px; text-align: center; }
            .footer-col { display: flex; flex-direction: column; align-items: center; }
            .footer-col h5 { font-size: 1rem; margin-bottom: 18px; }
            .footer-col ul { padding: 0; }
            .footer-col ul li { margin-bottom: 16px; }
            .footer-col ul a { font-size: 0.95rem; }
            .footer-col p { text-align: center; margin-left: auto; margin-right: auto; }
            .footer-logo { display: flex; justify-content: center; }
            .footer-bottom { flex-direction: column; gap: 14px; align-items: center; text-align: center; font-size: 0.85rem; }
            .footer-bottom > div { justify-content: center; flex-direction: column; align-items: center; gap: 12px; }
            .footer-bottom-legal-row { display: flex; gap: 20px; justify-content: center; }
            .footer-bottom-social { border-right: none; padding-right: 0; border-top: 1px solid #333; padding-top: 14px; justify-content: center; }

            .whatsapp-float { bottom: 18px; right: 18px; width: 52px; height: 52px; }
        }

        /* ============================================================
           RESPONSIVE — MÓVIL (≤480px)
           ============================================================ */
        @media (max-width: 480px) {
            .container { padding: 0 18px; }

            .floating-nav { padding: 7px 7px 7px 12px; }
            .floating-nav .logo img { height: 25px !important; }

            .hero { padding: 100px 0 32px; }
            .hero p.subtitle { font-size: 1rem; }
            .hero-graphic { height: 200px; }

            h2 { margin-bottom: 1.1rem; }

            .bento-card { padding: 20px; min-height: 180px; }
            .bento-card h3 { font-size: 1.08rem; }
            .bento-card p { font-size: 0.85rem; }

            .carrusel-wrapper { font-size: 0.82rem; }
            .carrusel-logo { padding: 0 22px; }

            .stat-item { flex: 1 1 100%; }
            .stat-item h4 { font-size: 1.9rem; }

            .benchmark-stats .stat-item { min-width: 100%; }

            .uc-img { height: 140px; }

            .footer-cta { padding: 70px 18px; }
            .footer-cta p { font-size: 1rem; margin-bottom: 35px; }

            .legal-consent { max-width: 100%; }
            .legal-note { max-width: 100%; }

            #form-success { padding: 36px 20px; }
        }