/* ===== VARIABLES Y CONFIGURACIÓN BASE ===== */
:root {
    --primary-blue: #132c47;
    --primary-purple: #8B5CF6;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --bg-light: #e5e5e5;
    --bg-dark: #111827;
}

/* ===== RESET Y TIPOGRAFÍA ===== */
* {
    font-family: 'Inter', sans-serif;
}

/* ===== FONDO DEL LANDING PAGE ===== */
html {
    min-height: 100vh;
}

body {
    position: relative;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}



/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .btn-demo {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .hero-header-image {
        max-width: 90%;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .navbar-logo {
        height: 80px;
    }
    
    .btn-signin {
        padding: 8px 15px;
        font-size: 0.9rem;
        margin: 5px 2px;
    }
    
    .navbar {
        padding: 10px 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn-demo {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}